Brad Bishop | 26bdd44 | 2019-08-16 17:08:17 -0400 | [diff] [blame] | 1 | From e0a7cf883ed02a73fda5f7d3e131afc8f1ebe416 Mon Sep 17 00:00:00 2001 |
| 2 | From: Nagaraju Mekala <nmekala@xilix.com> |
| 3 | Date: Sun, 30 Sep 2018 16:28:28 +0530 |
| 4 | Subject: [PATCH] intial commit of MB 64-bit |
| 5 | |
| 6 | Signed-off-by: Mahesh Bodapati <mbodapat@xilinx.com> |
| 7 | Signed-off-by: Nagaraju Mekala <nagaraju.mekala@xilinx.com> |
| 8 | |
| 9 | --- |
| 10 | bfd/Makefile.am | 2 + |
| 11 | bfd/Makefile.in | 3 + |
| 12 | bfd/config.bfd | 4 + |
| 13 | bfd/configure | 2 + |
| 14 | bfd/configure.ac | 2 + |
| 15 | bfd/cpu-microblaze.c | 52 +- |
| 16 | bfd/elf64-microblaze.c | 3584 ++++++++++++++++++++++++++++++++++++ |
| 17 | bfd/targets.c | 6 + |
| 18 | gas/config/tc-microblaze.c | 274 ++- |
| 19 | gas/config/tc-microblaze.h | 4 +- |
| 20 | include/elf/common.h | 1 + |
| 21 | ld/Makefile.am | 8 + |
| 22 | ld/Makefile.in | 10 + |
| 23 | ld/configure.tgt | 3 + |
| 24 | ld/emulparams/elf64microblaze.sh | 23 + |
| 25 | ld/emulparams/elf64microblazeel.sh | 23 + |
| 26 | opcodes/microblaze-dis.c | 39 +- |
| 27 | opcodes/microblaze-opc.h | 162 +- |
| 28 | opcodes/microblaze-opcm.h | 20 +- |
| 29 | 19 files changed, 4181 insertions(+), 41 deletions(-) |
| 30 | create mode 100644 bfd/elf64-microblaze.c |
| 31 | create mode 100644 ld/emulparams/elf64microblaze.sh |
| 32 | create mode 100644 ld/emulparams/elf64microblazeel.sh |
| 33 | |
| 34 | diff --git a/bfd/Makefile.am b/bfd/Makefile.am |
| 35 | index a919155..c5fd250 100644 |
| 36 | --- a/bfd/Makefile.am |
| 37 | +++ b/bfd/Makefile.am |
| 38 | @@ -570,6 +570,7 @@ BFD64_BACKENDS = \ |
| 39 | elf64-riscv.lo \ |
| 40 | elfxx-riscv.lo \ |
| 41 | elf64-s390.lo \ |
| 42 | + elf64-microblaze.lo \ |
| 43 | elf64-sparc.lo \ |
| 44 | elf64-tilegx.lo \ |
| 45 | elf64-x86-64.lo \ |
| 46 | @@ -603,6 +604,7 @@ BFD64_BACKENDS_CFILES = \ |
| 47 | elf64-nfp.c \ |
| 48 | elf64-ppc.c \ |
| 49 | elf64-s390.c \ |
| 50 | + elf64-microblaze.c \ |
| 51 | elf64-sparc.c \ |
| 52 | elf64-tilegx.c \ |
| 53 | elf64-x86-64.c \ |
| 54 | diff --git a/bfd/Makefile.in b/bfd/Makefile.in |
| 55 | index 896df52..fd457cb 100644 |
| 56 | --- a/bfd/Makefile.in |
| 57 | +++ b/bfd/Makefile.in |
| 58 | @@ -995,6 +995,7 @@ BFD64_BACKENDS = \ |
| 59 | elf64-riscv.lo \ |
| 60 | elfxx-riscv.lo \ |
| 61 | elf64-s390.lo \ |
| 62 | + elf64-microblaze.lo \ |
| 63 | elf64-sparc.lo \ |
| 64 | elf64-tilegx.lo \ |
| 65 | elf64-x86-64.lo \ |
| 66 | @@ -1028,6 +1029,7 @@ BFD64_BACKENDS_CFILES = \ |
| 67 | elf64-nfp.c \ |
| 68 | elf64-ppc.c \ |
| 69 | elf64-s390.c \ |
| 70 | + elf64-microblaze.c \ |
| 71 | elf64-sparc.c \ |
| 72 | elf64-tilegx.c \ |
| 73 | elf64-x86-64.c \ |
| 74 | @@ -1494,6 +1496,7 @@ distclean-compile: |
| 75 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-ppc.Plo@am__quote@ |
| 76 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-riscv.Plo@am__quote@ |
| 77 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-s390.Plo@am__quote@ |
| 78 | +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-microblaze.Plo@am__quote@ |
| 79 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-sparc.Plo@am__quote@ |
| 80 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-tilegx.Plo@am__quote@ |
| 81 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-x86-64.Plo@am__quote@ |
| 82 | diff --git a/bfd/config.bfd b/bfd/config.bfd |
| 83 | index aef1448..8072c8a 100644 |
| 84 | --- a/bfd/config.bfd |
| 85 | +++ b/bfd/config.bfd |
| 86 | @@ -850,11 +850,15 @@ case "${targ}" in |
| 87 | microblazeel*-*) |
| 88 | targ_defvec=microblaze_elf32_le_vec |
| 89 | targ_selvecs=microblaze_elf32_vec |
| 90 | + targ64_selvecs=microblaze_elf64_vec |
| 91 | + targ64_selvecs=microblaze_elf64_le_vec |
| 92 | ;; |
| 93 | |
| 94 | microblaze*-*) |
| 95 | targ_defvec=microblaze_elf32_vec |
| 96 | targ_selvecs=microblaze_elf32_le_vec |
| 97 | + targ64_selvecs=microblaze_elf64_vec |
| 98 | + targ64_selvecs=microblaze_elf64_le_vec |
| 99 | ;; |
| 100 | |
| 101 | #ifdef BFD64 |
| 102 | diff --git a/bfd/configure b/bfd/configure |
| 103 | index e5bde48..5bf94d5 100755 |
| 104 | --- a/bfd/configure |
| 105 | +++ b/bfd/configure |
| 106 | @@ -15502,6 +15502,8 @@ do |
| 107 | rx_elf32_linux_le_vec) tb="$tb elf32-rx.lo elf32.lo $elf" ;; |
| 108 | s390_elf32_vec) tb="$tb elf32-s390.lo elf32.lo $elf" ;; |
| 109 | s390_elf64_vec) tb="$tb elf64-s390.lo elf64.lo $elf"; target_size=64 ;; |
| 110 | + microblaze_elf64_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;; |
| 111 | + microblaze_elf64_le_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;; |
| 112 | score_elf32_be_vec) tb="$tb elf32-score.lo elf32-score7.lo elf32.lo $elf"; want64=true; target_size=64 ;; |
| 113 | score_elf32_le_vec) tb="$tb elf32-score.lo elf32-score7.lo elf32.lo $elf"; want64=true; target_size=64 ;; |
| 114 | sh_coff_vec) tb="$tb coff-sh.lo $coff" ;; |
| 115 | diff --git a/bfd/configure.ac b/bfd/configure.ac |
| 116 | index 7cdf9c8..998a651 100644 |
| 117 | --- a/bfd/configure.ac |
| 118 | +++ b/bfd/configure.ac |
| 119 | @@ -615,6 +615,8 @@ do |
| 120 | rx_elf32_linux_le_vec) tb="$tb elf32-rx.lo elf32.lo $elf" ;; |
| 121 | s390_elf32_vec) tb="$tb elf32-s390.lo elf32.lo $elf" ;; |
| 122 | s390_elf64_vec) tb="$tb elf64-s390.lo elf64.lo $elf"; target_size=64 ;; |
| 123 | + microblaze_elf64_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;; |
| 124 | + microblaze_elf64_le_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;; |
| 125 | score_elf32_be_vec) tb="$tb elf32-score.lo elf32-score7.lo elf32.lo $elf"; want64=true; target_size=64 ;; |
| 126 | score_elf32_le_vec) tb="$tb elf32-score.lo elf32-score7.lo elf32.lo $elf"; want64=true; target_size=64 ;; |
| 127 | sh_coff_vec) tb="$tb coff-sh.lo $coff" ;; |
| 128 | diff --git a/bfd/cpu-microblaze.c b/bfd/cpu-microblaze.c |
| 129 | index 9bc2eb3..c91ba46 100644 |
| 130 | --- a/bfd/cpu-microblaze.c |
| 131 | +++ b/bfd/cpu-microblaze.c |
| 132 | @@ -23,7 +23,24 @@ |
| 133 | #include "bfd.h" |
| 134 | #include "libbfd.h" |
| 135 | |
| 136 | -const bfd_arch_info_type bfd_microblaze_arch = |
| 137 | +const bfd_arch_info_type bfd_microblaze_arch[] = |
| 138 | +{ |
| 139 | +#if BFD_DEFAULT_TARGET_SIZE == 64 |
| 140 | +{ |
| 141 | + 64, /* 32 bits in a word. */ |
| 142 | + 64, /* 32 bits in an address. */ |
| 143 | + 8, /* 8 bits in a byte. */ |
| 144 | + bfd_arch_microblaze, /* Architecture. */ |
| 145 | + 0, /* Machine number - 0 for now. */ |
| 146 | + "microblaze", /* Architecture name. */ |
| 147 | + "MicroBlaze", /* Printable name. */ |
| 148 | + 3, /* Section align power. */ |
| 149 | + FALSE, /* Is this the default architecture ? */ |
| 150 | + bfd_default_compatible, /* Architecture comparison function. */ |
| 151 | + bfd_default_scan, /* String to architecture conversion. */ |
| 152 | + bfd_arch_default_fill, /* Default fill. */ |
| 153 | + &bfd_microblaze_arch[1] /* Next in list. */ |
| 154 | +}, |
| 155 | { |
| 156 | 32, /* 32 bits in a word. */ |
| 157 | 32, /* 32 bits in an address. */ |
| 158 | @@ -38,4 +55,37 @@ const bfd_arch_info_type bfd_microblaze_arch = |
| 159 | bfd_default_scan, /* String to architecture conversion. */ |
| 160 | bfd_arch_default_fill, /* Default fill. */ |
| 161 | NULL /* Next in list. */ |
| 162 | +} |
| 163 | +#else |
| 164 | +{ |
| 165 | + 32, /* 32 bits in a word. */ |
| 166 | + 32, /* 32 bits in an address. */ |
| 167 | + 8, /* 8 bits in a byte. */ |
| 168 | + bfd_arch_microblaze, /* Architecture. */ |
| 169 | + 0, /* Machine number - 0 for now. */ |
| 170 | + "microblaze", /* Architecture name. */ |
| 171 | + "MicroBlaze", /* Printable name. */ |
| 172 | + 3, /* Section align power. */ |
| 173 | + TRUE, /* Is this the default architecture ? */ |
| 174 | + bfd_default_compatible, /* Architecture comparison function. */ |
| 175 | + bfd_default_scan, /* String to architecture conversion. */ |
| 176 | + bfd_arch_default_fill, /* Default fill. */ |
| 177 | + &bfd_microblaze_arch[1] /* Next in list. */ |
| 178 | +}, |
| 179 | +{ |
| 180 | + 64, /* 32 bits in a word. */ |
| 181 | + 64, /* 32 bits in an address. */ |
| 182 | + 8, /* 8 bits in a byte. */ |
| 183 | + bfd_arch_microblaze, /* Architecture. */ |
| 184 | + 0, /* Machine number - 0 for now. */ |
| 185 | + "microblaze", /* Architecture name. */ |
| 186 | + "MicroBlaze", /* Printable name. */ |
| 187 | + 3, /* Section align power. */ |
| 188 | + FALSE, /* Is this the default architecture ? */ |
| 189 | + bfd_default_compatible, /* Architecture comparison function. */ |
| 190 | + bfd_default_scan, /* String to architecture conversion. */ |
| 191 | + bfd_arch_default_fill, /* Default fill. */ |
| 192 | + NULL /* Next in list. */ |
| 193 | +} |
| 194 | +#endif |
| 195 | }; |
| 196 | diff --git a/bfd/elf64-microblaze.c b/bfd/elf64-microblaze.c |
| 197 | new file mode 100644 |
| 198 | index 0000000..0f43ae6 |
| 199 | --- /dev/null |
| 200 | +++ b/bfd/elf64-microblaze.c |
| 201 | @@ -0,0 +1,3584 @@ |
| 202 | +/* Xilinx MicroBlaze-specific support for 32-bit ELF |
| 203 | + |
| 204 | + Copyright (C) 2009-2016 Free Software Foundation, Inc. |
| 205 | + |
| 206 | + This file is part of BFD, the Binary File Descriptor library. |
| 207 | + |
| 208 | + This program is free software; you can redistribute it and/or modify |
| 209 | + it under the terms of the GNU General Public License as published by |
| 210 | + the Free Software Foundation; either version 3 of the License, or |
| 211 | + (at your option) any later version. |
| 212 | + |
| 213 | + This program is distributed in the hope that it will be useful, |
| 214 | + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 215 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 216 | + GNU General Public License for more details. |
| 217 | + |
| 218 | + You should have received a copy of the GNU General Public License |
| 219 | + along with this program; if not, write to the |
| 220 | + Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, |
| 221 | + Boston, MA 02110-1301, USA. */ |
| 222 | + |
| 223 | + |
| 224 | +int dbg1 = 0; |
| 225 | + |
| 226 | +#include "sysdep.h" |
| 227 | +#include "bfd.h" |
| 228 | +#include "bfdlink.h" |
| 229 | +#include "libbfd.h" |
| 230 | +#include "elf-bfd.h" |
| 231 | +#include "elf/microblaze.h" |
| 232 | +#include <assert.h> |
| 233 | + |
| 234 | +#define USE_RELA /* Only USE_REL is actually significant, but this is |
| 235 | + here are a reminder... */ |
| 236 | +#define INST_WORD_SIZE 4 |
| 237 | + |
| 238 | +static int ro_small_data_pointer = 0; |
| 239 | +static int rw_small_data_pointer = 0; |
| 240 | + |
| 241 | +static reloc_howto_type * microblaze_elf_howto_table [(int) R_MICROBLAZE_max]; |
| 242 | + |
| 243 | +static reloc_howto_type microblaze_elf_howto_raw[] = |
| 244 | +{ |
| 245 | + /* This reloc does nothing. */ |
| 246 | + HOWTO (R_MICROBLAZE_NONE, /* Type. */ |
| 247 | + 0, /* Rightshift. */ |
| 248 | + 3, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 249 | + 0, /* Bitsize. */ |
| 250 | + FALSE, /* PC_relative. */ |
| 251 | + 0, /* Bitpos. */ |
| 252 | + complain_overflow_dont, /* Complain on overflow. */ |
| 253 | + NULL, /* Special Function. */ |
| 254 | + "R_MICROBLAZE_NONE", /* Name. */ |
| 255 | + FALSE, /* Partial Inplace. */ |
| 256 | + 0, /* Source Mask. */ |
| 257 | + 0, /* Dest Mask. */ |
| 258 | + FALSE), /* PC relative offset? */ |
| 259 | + |
| 260 | + /* A standard 32 bit relocation. */ |
| 261 | + HOWTO (R_MICROBLAZE_32, /* Type. */ |
| 262 | + 0, /* Rightshift. */ |
| 263 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 264 | + 32, /* Bitsize. */ |
| 265 | + FALSE, /* PC_relative. */ |
| 266 | + 0, /* Bitpos. */ |
| 267 | + complain_overflow_bitfield, /* Complain on overflow. */ |
| 268 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 269 | + "R_MICROBLAZE_32", /* Name. */ |
| 270 | + FALSE, /* Partial Inplace. */ |
| 271 | + 0, /* Source Mask. */ |
| 272 | + 0xffffffff, /* Dest Mask. */ |
| 273 | + FALSE), /* PC relative offset? */ |
| 274 | + |
| 275 | + /* A standard PCREL 32 bit relocation. */ |
| 276 | + HOWTO (R_MICROBLAZE_32_PCREL,/* Type. */ |
| 277 | + 0, /* Rightshift. */ |
| 278 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 279 | + 32, /* Bitsize. */ |
| 280 | + TRUE, /* PC_relative. */ |
| 281 | + 0, /* Bitpos. */ |
| 282 | + complain_overflow_bitfield, /* Complain on overflow. */ |
| 283 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 284 | + "R_MICROBLAZE_32_PCREL", /* Name. */ |
| 285 | + TRUE, /* Partial Inplace. */ |
| 286 | + 0, /* Source Mask. */ |
| 287 | + 0xffffffff, /* Dest Mask. */ |
| 288 | + TRUE), /* PC relative offset? */ |
| 289 | + |
| 290 | + /* A 64 bit PCREL relocation. Table-entry not really used. */ |
| 291 | + HOWTO (R_MICROBLAZE_64_PCREL,/* Type. */ |
| 292 | + 0, /* Rightshift. */ |
| 293 | + 4, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 294 | + 64, /* Bitsize. */ |
| 295 | + TRUE, /* PC_relative. */ |
| 296 | + 0, /* Bitpos. */ |
| 297 | + complain_overflow_dont, /* Complain on overflow. */ |
| 298 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 299 | + "R_MICROBLAZE_64_PCREL", /* Name. */ |
| 300 | + FALSE, /* Partial Inplace. */ |
| 301 | + 0, /* Source Mask. */ |
| 302 | + 0x0000ffff, /* Dest Mask. */ |
| 303 | + TRUE), /* PC relative offset? */ |
| 304 | + |
| 305 | + /* The low half of a PCREL 32 bit relocation. */ |
| 306 | + HOWTO (R_MICROBLAZE_32_PCREL_LO, /* Type. */ |
| 307 | + 0, /* Rightshift. */ |
| 308 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 309 | + 16, /* Bitsize. */ |
| 310 | + TRUE, /* PC_relative. */ |
| 311 | + 0, /* Bitpos. */ |
| 312 | + complain_overflow_signed, /* Complain on overflow. */ |
| 313 | + bfd_elf_generic_reloc, /* Special Function. */ |
| 314 | + "R_MICROBLAZE_32_PCREL_LO", /* Name. */ |
| 315 | + FALSE, /* Partial Inplace. */ |
| 316 | + 0, /* Source Mask. */ |
| 317 | + 0x0000ffff, /* Dest Mask. */ |
| 318 | + TRUE), /* PC relative offset? */ |
| 319 | + |
| 320 | + /* A 64 bit relocation. Table entry not really used. */ |
| 321 | + HOWTO (R_MICROBLAZE_64, /* Type. */ |
| 322 | + 0, /* Rightshift. */ |
| 323 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 324 | + 16, /* Bitsize. */ |
| 325 | + FALSE, /* PC_relative. */ |
| 326 | + 0, /* Bitpos. */ |
| 327 | + complain_overflow_dont, /* Complain on overflow. */ |
| 328 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 329 | + "R_MICROBLAZE_64", /* Name. */ |
| 330 | + FALSE, /* Partial Inplace. */ |
| 331 | + 0, /* Source Mask. */ |
| 332 | + 0x0000ffff, /* Dest Mask. */ |
| 333 | + FALSE), /* PC relative offset? */ |
| 334 | + |
| 335 | + /* The low half of a 32 bit relocation. */ |
| 336 | + HOWTO (R_MICROBLAZE_32_LO, /* Type. */ |
| 337 | + 0, /* Rightshift. */ |
| 338 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 339 | + 16, /* Bitsize. */ |
| 340 | + FALSE, /* PC_relative. */ |
| 341 | + 0, /* Bitpos. */ |
| 342 | + complain_overflow_signed, /* Complain on overflow. */ |
| 343 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 344 | + "R_MICROBLAZE_32_LO", /* Name. */ |
| 345 | + FALSE, /* Partial Inplace. */ |
| 346 | + 0, /* Source Mask. */ |
| 347 | + 0x0000ffff, /* Dest Mask. */ |
| 348 | + FALSE), /* PC relative offset? */ |
| 349 | + |
| 350 | + /* Read-only small data section relocation. */ |
| 351 | + HOWTO (R_MICROBLAZE_SRO32, /* Type. */ |
| 352 | + 0, /* Rightshift. */ |
| 353 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 354 | + 16, /* Bitsize. */ |
| 355 | + FALSE, /* PC_relative. */ |
| 356 | + 0, /* Bitpos. */ |
| 357 | + complain_overflow_bitfield, /* Complain on overflow. */ |
| 358 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 359 | + "R_MICROBLAZE_SRO32", /* Name. */ |
| 360 | + FALSE, /* Partial Inplace. */ |
| 361 | + 0, /* Source Mask. */ |
| 362 | + 0x0000ffff, /* Dest Mask. */ |
| 363 | + FALSE), /* PC relative offset? */ |
| 364 | + |
| 365 | + /* Read-write small data area relocation. */ |
| 366 | + HOWTO (R_MICROBLAZE_SRW32, /* Type. */ |
| 367 | + 0, /* Rightshift. */ |
| 368 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 369 | + 16, /* Bitsize. */ |
| 370 | + FALSE, /* PC_relative. */ |
| 371 | + 0, /* Bitpos. */ |
| 372 | + complain_overflow_bitfield, /* Complain on overflow. */ |
| 373 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 374 | + "R_MICROBLAZE_SRW32", /* Name. */ |
| 375 | + FALSE, /* Partial Inplace. */ |
| 376 | + 0, /* Source Mask. */ |
| 377 | + 0x0000ffff, /* Dest Mask. */ |
| 378 | + FALSE), /* PC relative offset? */ |
| 379 | + |
| 380 | + HOWTO (R_MICROBLAZE_32_NONE, /* Type. */ |
| 381 | + 0, /* Rightshift. */ |
| 382 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 383 | + 32, /* Bitsize. */ |
| 384 | + TRUE, /* PC_relative. */ |
| 385 | + 0, /* Bitpos. */ |
| 386 | + complain_overflow_bitfield, /* Complain on overflow. */ |
| 387 | + NULL, /* Special Function. */ |
| 388 | + "R_MICROBLAZE_32_NONE",/* Name. */ |
| 389 | + FALSE, /* Partial Inplace. */ |
| 390 | + 0, /* Source Mask. */ |
| 391 | + 0, /* Dest Mask. */ |
| 392 | + FALSE), /* PC relative offset? */ |
| 393 | + |
| 394 | + /* This reloc does nothing. Used for relaxation. */ |
| 395 | + HOWTO (R_MICROBLAZE_64_NONE, /* Type. */ |
| 396 | + 0, /* Rightshift. */ |
| 397 | + 3, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 398 | + 0, /* Bitsize. */ |
| 399 | + TRUE, /* PC_relative. */ |
| 400 | + 0, /* Bitpos. */ |
| 401 | + complain_overflow_dont, /* Complain on overflow. */ |
| 402 | + NULL, /* Special Function. */ |
| 403 | + "R_MICROBLAZE_64_NONE",/* Name. */ |
| 404 | + FALSE, /* Partial Inplace. */ |
| 405 | + 0, /* Source Mask. */ |
| 406 | + 0, /* Dest Mask. */ |
| 407 | + FALSE), /* PC relative offset? */ |
| 408 | + |
| 409 | + /* Symbol Op Symbol relocation. */ |
| 410 | + HOWTO (R_MICROBLAZE_32_SYM_OP_SYM, /* Type. */ |
| 411 | + 0, /* Rightshift. */ |
| 412 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 413 | + 32, /* Bitsize. */ |
| 414 | + FALSE, /* PC_relative. */ |
| 415 | + 0, /* Bitpos. */ |
| 416 | + complain_overflow_bitfield, /* Complain on overflow. */ |
| 417 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 418 | + "R_MICROBLAZE_32_SYM_OP_SYM", /* Name. */ |
| 419 | + FALSE, /* Partial Inplace. */ |
| 420 | + 0, /* Source Mask. */ |
| 421 | + 0xffffffff, /* Dest Mask. */ |
| 422 | + FALSE), /* PC relative offset? */ |
| 423 | + |
| 424 | + /* GNU extension to record C++ vtable hierarchy. */ |
| 425 | + HOWTO (R_MICROBLAZE_GNU_VTINHERIT, /* Type. */ |
| 426 | + 0, /* Rightshift. */ |
| 427 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 428 | + 0, /* Bitsize. */ |
| 429 | + FALSE, /* PC_relative. */ |
| 430 | + 0, /* Bitpos. */ |
| 431 | + complain_overflow_dont,/* Complain on overflow. */ |
| 432 | + NULL, /* Special Function. */ |
| 433 | + "R_MICROBLAZE_GNU_VTINHERIT", /* Name. */ |
| 434 | + FALSE, /* Partial Inplace. */ |
| 435 | + 0, /* Source Mask. */ |
| 436 | + 0, /* Dest Mask. */ |
| 437 | + FALSE), /* PC relative offset? */ |
| 438 | + |
| 439 | + /* GNU extension to record C++ vtable member usage. */ |
| 440 | + HOWTO (R_MICROBLAZE_GNU_VTENTRY, /* Type. */ |
| 441 | + 0, /* Rightshift. */ |
| 442 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 443 | + 0, /* Bitsize. */ |
| 444 | + FALSE, /* PC_relative. */ |
| 445 | + 0, /* Bitpos. */ |
| 446 | + complain_overflow_dont,/* Complain on overflow. */ |
| 447 | + _bfd_elf_rel_vtable_reloc_fn, /* Special Function. */ |
| 448 | + "R_MICROBLAZE_GNU_VTENTRY", /* Name. */ |
| 449 | + FALSE, /* Partial Inplace. */ |
| 450 | + 0, /* Source Mask. */ |
| 451 | + 0, /* Dest Mask. */ |
| 452 | + FALSE), /* PC relative offset? */ |
| 453 | + |
| 454 | + /* A 64 bit GOTPC relocation. Table-entry not really used. */ |
| 455 | + HOWTO (R_MICROBLAZE_GOTPC_64, /* Type. */ |
| 456 | + 0, /* Rightshift. */ |
| 457 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 458 | + 16, /* Bitsize. */ |
| 459 | + TRUE, /* PC_relative. */ |
| 460 | + 0, /* Bitpos. */ |
| 461 | + complain_overflow_dont, /* Complain on overflow. */ |
| 462 | + bfd_elf_generic_reloc, /* Special Function. */ |
| 463 | + "R_MICROBLAZE_GOTPC_64", /* Name. */ |
| 464 | + FALSE, /* Partial Inplace. */ |
| 465 | + 0, /* Source Mask. */ |
| 466 | + 0x0000ffff, /* Dest Mask. */ |
| 467 | + TRUE), /* PC relative offset? */ |
| 468 | + |
| 469 | + /* A 64 bit GOT relocation. Table-entry not really used. */ |
| 470 | + HOWTO (R_MICROBLAZE_GOT_64, /* Type. */ |
| 471 | + 0, /* Rightshift. */ |
| 472 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 473 | + 16, /* Bitsize. */ |
| 474 | + FALSE, /* PC_relative. */ |
| 475 | + 0, /* Bitpos. */ |
| 476 | + complain_overflow_dont, /* Complain on overflow. */ |
| 477 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 478 | + "R_MICROBLAZE_GOT_64",/* Name. */ |
| 479 | + FALSE, /* Partial Inplace. */ |
| 480 | + 0, /* Source Mask. */ |
| 481 | + 0x0000ffff, /* Dest Mask. */ |
| 482 | + FALSE), /* PC relative offset? */ |
| 483 | + |
| 484 | + /* A 64 bit PLT relocation. Table-entry not really used. */ |
| 485 | + HOWTO (R_MICROBLAZE_PLT_64, /* Type. */ |
| 486 | + 0, /* Rightshift. */ |
| 487 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 488 | + 16, /* Bitsize. */ |
| 489 | + TRUE, /* PC_relative. */ |
| 490 | + 0, /* Bitpos. */ |
| 491 | + complain_overflow_dont, /* Complain on overflow. */ |
| 492 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 493 | + "R_MICROBLAZE_PLT_64",/* Name. */ |
| 494 | + FALSE, /* Partial Inplace. */ |
| 495 | + 0, /* Source Mask. */ |
| 496 | + 0x0000ffff, /* Dest Mask. */ |
| 497 | + TRUE), /* PC relative offset? */ |
| 498 | + |
| 499 | + /* Table-entry not really used. */ |
| 500 | + HOWTO (R_MICROBLAZE_REL, /* Type. */ |
| 501 | + 0, /* Rightshift. */ |
| 502 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 503 | + 16, /* Bitsize. */ |
| 504 | + TRUE, /* PC_relative. */ |
| 505 | + 0, /* Bitpos. */ |
| 506 | + complain_overflow_dont, /* Complain on overflow. */ |
| 507 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 508 | + "R_MICROBLAZE_REL", /* Name. */ |
| 509 | + FALSE, /* Partial Inplace. */ |
| 510 | + 0, /* Source Mask. */ |
| 511 | + 0x0000ffff, /* Dest Mask. */ |
| 512 | + TRUE), /* PC relative offset? */ |
| 513 | + |
| 514 | + /* Table-entry not really used. */ |
| 515 | + HOWTO (R_MICROBLAZE_JUMP_SLOT,/* Type. */ |
| 516 | + 0, /* Rightshift. */ |
| 517 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 518 | + 16, /* Bitsize. */ |
| 519 | + TRUE, /* PC_relative. */ |
| 520 | + 0, /* Bitpos. */ |
| 521 | + complain_overflow_dont, /* Complain on overflow. */ |
| 522 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 523 | + "R_MICROBLAZE_JUMP_SLOT", /* Name. */ |
| 524 | + FALSE, /* Partial Inplace. */ |
| 525 | + 0, /* Source Mask. */ |
| 526 | + 0x0000ffff, /* Dest Mask. */ |
| 527 | + TRUE), /* PC relative offset? */ |
| 528 | + |
| 529 | + /* Table-entry not really used. */ |
| 530 | + HOWTO (R_MICROBLAZE_GLOB_DAT,/* Type. */ |
| 531 | + 0, /* Rightshift. */ |
| 532 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 533 | + 16, /* Bitsize. */ |
| 534 | + TRUE, /* PC_relative. */ |
| 535 | + 0, /* Bitpos. */ |
| 536 | + complain_overflow_dont, /* Complain on overflow. */ |
| 537 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 538 | + "R_MICROBLAZE_GLOB_DAT", /* Name. */ |
| 539 | + FALSE, /* Partial Inplace. */ |
| 540 | + 0, /* Source Mask. */ |
| 541 | + 0x0000ffff, /* Dest Mask. */ |
| 542 | + TRUE), /* PC relative offset? */ |
| 543 | + |
| 544 | + /* A 64 bit GOT relative relocation. Table-entry not really used. */ |
| 545 | + HOWTO (R_MICROBLAZE_GOTOFF_64, /* Type. */ |
| 546 | + 0, /* Rightshift. */ |
| 547 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 548 | + 16, /* Bitsize. */ |
| 549 | + FALSE, /* PC_relative. */ |
| 550 | + 0, /* Bitpos. */ |
| 551 | + complain_overflow_dont, /* Complain on overflow. */ |
| 552 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 553 | + "R_MICROBLAZE_GOTOFF_64", /* Name. */ |
| 554 | + FALSE, /* Partial Inplace. */ |
| 555 | + 0, /* Source Mask. */ |
| 556 | + 0x0000ffff, /* Dest Mask. */ |
| 557 | + FALSE), /* PC relative offset? */ |
| 558 | + |
| 559 | + /* A 32 bit GOT relative relocation. Table-entry not really used. */ |
| 560 | + HOWTO (R_MICROBLAZE_GOTOFF_32, /* Type. */ |
| 561 | + 0, /* Rightshift. */ |
| 562 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 563 | + 16, /* Bitsize. */ |
| 564 | + FALSE, /* PC_relative. */ |
| 565 | + 0, /* Bitpos. */ |
| 566 | + complain_overflow_dont, /* Complain on overflow. */ |
| 567 | + bfd_elf_generic_reloc, /* Special Function. */ |
| 568 | + "R_MICROBLAZE_GOTOFF_32", /* Name. */ |
| 569 | + FALSE, /* Partial Inplace. */ |
| 570 | + 0, /* Source Mask. */ |
| 571 | + 0x0000ffff, /* Dest Mask. */ |
| 572 | + FALSE), /* PC relative offset? */ |
| 573 | + |
| 574 | + /* COPY relocation. Table-entry not really used. */ |
| 575 | + HOWTO (R_MICROBLAZE_COPY, /* Type. */ |
| 576 | + 0, /* Rightshift. */ |
| 577 | + 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 578 | + 16, /* Bitsize. */ |
| 579 | + FALSE, /* PC_relative. */ |
| 580 | + 0, /* Bitpos. */ |
| 581 | + complain_overflow_dont, /* Complain on overflow. */ |
| 582 | + bfd_elf_generic_reloc,/* Special Function. */ |
| 583 | + "R_MICROBLAZE_COPY", /* Name. */ |
| 584 | + FALSE, /* Partial Inplace. */ |
| 585 | + 0, /* Source Mask. */ |
| 586 | + 0x0000ffff, /* Dest Mask. */ |
| 587 | + FALSE), /* PC relative offset? */ |
| 588 | + |
| 589 | + /* Marker relocs for TLS. */ |
| 590 | + HOWTO (R_MICROBLAZE_TLS, |
| 591 | + 0, /* rightshift */ |
| 592 | + 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 593 | + 32, /* bitsize */ |
| 594 | + FALSE, /* pc_relative */ |
| 595 | + 0, /* bitpos */ |
| 596 | + complain_overflow_dont, /* complain_on_overflow */ |
| 597 | + bfd_elf_generic_reloc, /* special_function */ |
| 598 | + "R_MICROBLAZE_TLS", /* name */ |
| 599 | + FALSE, /* partial_inplace */ |
| 600 | + 0, /* src_mask */ |
| 601 | + 0x0000ffff, /* dst_mask */ |
| 602 | + FALSE), /* pcrel_offset */ |
| 603 | + |
| 604 | + HOWTO (R_MICROBLAZE_TLSGD, |
| 605 | + 0, /* rightshift */ |
| 606 | + 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 607 | + 32, /* bitsize */ |
| 608 | + FALSE, /* pc_relative */ |
| 609 | + 0, /* bitpos */ |
| 610 | + complain_overflow_dont, /* complain_on_overflow */ |
| 611 | + bfd_elf_generic_reloc, /* special_function */ |
| 612 | + "R_MICROBLAZE_TLSGD", /* name */ |
| 613 | + FALSE, /* partial_inplace */ |
| 614 | + 0, /* src_mask */ |
| 615 | + 0x0000ffff, /* dst_mask */ |
| 616 | + FALSE), /* pcrel_offset */ |
| 617 | + |
| 618 | + HOWTO (R_MICROBLAZE_TLSLD, |
| 619 | + 0, /* rightshift */ |
| 620 | + 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 621 | + 32, /* bitsize */ |
| 622 | + FALSE, /* pc_relative */ |
| 623 | + 0, /* bitpos */ |
| 624 | + complain_overflow_dont, /* complain_on_overflow */ |
| 625 | + bfd_elf_generic_reloc, /* special_function */ |
| 626 | + "R_MICROBLAZE_TLSLD", /* name */ |
| 627 | + FALSE, /* partial_inplace */ |
| 628 | + 0, /* src_mask */ |
| 629 | + 0x0000ffff, /* dst_mask */ |
| 630 | + FALSE), /* pcrel_offset */ |
| 631 | + |
| 632 | + /* Computes the load module index of the load module that contains the |
| 633 | + definition of its TLS sym. */ |
| 634 | + HOWTO (R_MICROBLAZE_TLSDTPMOD32, |
| 635 | + 0, /* rightshift */ |
| 636 | + 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 637 | + 32, /* bitsize */ |
| 638 | + FALSE, /* pc_relative */ |
| 639 | + 0, /* bitpos */ |
| 640 | + complain_overflow_dont, /* complain_on_overflow */ |
| 641 | + bfd_elf_generic_reloc, /* special_function */ |
| 642 | + "R_MICROBLAZE_TLSDTPMOD32", /* name */ |
| 643 | + FALSE, /* partial_inplace */ |
| 644 | + 0, /* src_mask */ |
| 645 | + 0x0000ffff, /* dst_mask */ |
| 646 | + FALSE), /* pcrel_offset */ |
| 647 | + |
| 648 | + /* Computes a dtv-relative displacement, the difference between the value |
| 649 | + of sym+add and the base address of the thread-local storage block that |
| 650 | + contains the definition of sym, minus 0x8000. Used for initializing GOT */ |
| 651 | + HOWTO (R_MICROBLAZE_TLSDTPREL32, |
| 652 | + 0, /* rightshift */ |
| 653 | + 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 654 | + 32, /* bitsize */ |
| 655 | + FALSE, /* pc_relative */ |
| 656 | + 0, /* bitpos */ |
| 657 | + complain_overflow_dont, /* complain_on_overflow */ |
| 658 | + bfd_elf_generic_reloc, /* special_function */ |
| 659 | + "R_MICROBLAZE_TLSDTPREL32", /* name */ |
| 660 | + FALSE, /* partial_inplace */ |
| 661 | + 0, /* src_mask */ |
| 662 | + 0x0000ffff, /* dst_mask */ |
| 663 | + FALSE), /* pcrel_offset */ |
| 664 | + |
| 665 | + /* Computes a dtv-relative displacement, the difference between the value |
| 666 | + of sym+add and the base address of the thread-local storage block that |
| 667 | + contains the definition of sym, minus 0x8000. */ |
| 668 | + HOWTO (R_MICROBLAZE_TLSDTPREL64, |
| 669 | + 0, /* rightshift */ |
| 670 | + 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 671 | + 32, /* bitsize */ |
| 672 | + FALSE, /* pc_relative */ |
| 673 | + 0, /* bitpos */ |
| 674 | + complain_overflow_dont, /* complain_on_overflow */ |
| 675 | + bfd_elf_generic_reloc, /* special_function */ |
| 676 | + "R_MICROBLAZE_TLSDTPREL64", /* name */ |
| 677 | + FALSE, /* partial_inplace */ |
| 678 | + 0, /* src_mask */ |
| 679 | + 0x0000ffff, /* dst_mask */ |
| 680 | + FALSE), /* pcrel_offset */ |
| 681 | + |
| 682 | + /* Computes a tp-relative displacement, the difference between the value of |
| 683 | + sym+add and the value of the thread pointer (r13). */ |
| 684 | + HOWTO (R_MICROBLAZE_TLSGOTTPREL32, |
| 685 | + 0, /* rightshift */ |
| 686 | + 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 687 | + 32, /* bitsize */ |
| 688 | + FALSE, /* pc_relative */ |
| 689 | + 0, /* bitpos */ |
| 690 | + complain_overflow_dont, /* complain_on_overflow */ |
| 691 | + bfd_elf_generic_reloc, /* special_function */ |
| 692 | + "R_MICROBLAZE_TLSGOTTPREL32", /* name */ |
| 693 | + FALSE, /* partial_inplace */ |
| 694 | + 0, /* src_mask */ |
| 695 | + 0x0000ffff, /* dst_mask */ |
| 696 | + FALSE), /* pcrel_offset */ |
| 697 | + |
| 698 | + /* Computes a tp-relative displacement, the difference between the value of |
| 699 | + sym+add and the value of the thread pointer (r13). */ |
| 700 | + HOWTO (R_MICROBLAZE_TLSTPREL32, |
| 701 | + 0, /* rightshift */ |
| 702 | + 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 703 | + 32, /* bitsize */ |
| 704 | + FALSE, /* pc_relative */ |
| 705 | + 0, /* bitpos */ |
| 706 | + complain_overflow_dont, /* complain_on_overflow */ |
| 707 | + bfd_elf_generic_reloc, /* special_function */ |
| 708 | + "R_MICROBLAZE_TLSTPREL32", /* name */ |
| 709 | + FALSE, /* partial_inplace */ |
| 710 | + 0, /* src_mask */ |
| 711 | + 0x0000ffff, /* dst_mask */ |
| 712 | + FALSE), /* pcrel_offset */ |
| 713 | + |
| 714 | +}; |
| 715 | + |
| 716 | +#ifndef NUM_ELEM |
| 717 | +#define NUM_ELEM(a) (sizeof (a) / sizeof (a)[0]) |
| 718 | +#endif |
| 719 | + |
| 720 | +/* Initialize the microblaze_elf_howto_table, so that linear accesses can be done. */ |
| 721 | + |
| 722 | +static void |
| 723 | +microblaze_elf_howto_init (void) |
| 724 | +{ |
| 725 | + unsigned int i; |
| 726 | + |
| 727 | + for (i = NUM_ELEM (microblaze_elf_howto_raw); i--;) |
| 728 | + { |
| 729 | + unsigned int type; |
| 730 | + |
| 731 | + type = microblaze_elf_howto_raw[i].type; |
| 732 | + |
| 733 | + BFD_ASSERT (type < NUM_ELEM (microblaze_elf_howto_table)); |
| 734 | + |
| 735 | + microblaze_elf_howto_table [type] = & microblaze_elf_howto_raw [i]; |
| 736 | + } |
| 737 | +} |
| 738 | + |
| 739 | +static reloc_howto_type * |
| 740 | +microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, |
| 741 | + bfd_reloc_code_real_type code) |
| 742 | +{ |
| 743 | + enum elf_microblaze_reloc_type microblaze_reloc = R_MICROBLAZE_NONE; |
| 744 | + |
| 745 | + switch (code) |
| 746 | + { |
| 747 | + case BFD_RELOC_NONE: |
| 748 | + microblaze_reloc = R_MICROBLAZE_NONE; |
| 749 | + break; |
| 750 | + case BFD_RELOC_MICROBLAZE_32_NONE: |
| 751 | + microblaze_reloc = R_MICROBLAZE_32_NONE; |
| 752 | + break; |
| 753 | + case BFD_RELOC_MICROBLAZE_64_NONE: |
| 754 | + microblaze_reloc = R_MICROBLAZE_64_NONE; |
| 755 | + break; |
| 756 | + case BFD_RELOC_32: |
| 757 | + microblaze_reloc = R_MICROBLAZE_32; |
| 758 | + break; |
| 759 | + /* RVA is treated the same as 32 */ |
| 760 | + case BFD_RELOC_RVA: |
| 761 | + microblaze_reloc = R_MICROBLAZE_32; |
| 762 | + break; |
| 763 | + case BFD_RELOC_32_PCREL: |
| 764 | + microblaze_reloc = R_MICROBLAZE_32_PCREL; |
| 765 | + break; |
| 766 | + case BFD_RELOC_64_PCREL: |
| 767 | + microblaze_reloc = R_MICROBLAZE_64_PCREL; |
| 768 | + break; |
| 769 | + case BFD_RELOC_MICROBLAZE_32_LO_PCREL: |
| 770 | + microblaze_reloc = R_MICROBLAZE_32_PCREL_LO; |
| 771 | + break; |
| 772 | + case BFD_RELOC_64: |
| 773 | + microblaze_reloc = R_MICROBLAZE_64; |
| 774 | + break; |
| 775 | + case BFD_RELOC_MICROBLAZE_32_LO: |
| 776 | + microblaze_reloc = R_MICROBLAZE_32_LO; |
| 777 | + break; |
| 778 | + case BFD_RELOC_MICROBLAZE_32_ROSDA: |
| 779 | + microblaze_reloc = R_MICROBLAZE_SRO32; |
| 780 | + break; |
| 781 | + case BFD_RELOC_MICROBLAZE_32_RWSDA: |
| 782 | + microblaze_reloc = R_MICROBLAZE_SRW32; |
| 783 | + break; |
| 784 | + case BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM: |
| 785 | + microblaze_reloc = R_MICROBLAZE_32_SYM_OP_SYM; |
| 786 | + break; |
| 787 | + case BFD_RELOC_VTABLE_INHERIT: |
| 788 | + microblaze_reloc = R_MICROBLAZE_GNU_VTINHERIT; |
| 789 | + break; |
| 790 | + case BFD_RELOC_VTABLE_ENTRY: |
| 791 | + microblaze_reloc = R_MICROBLAZE_GNU_VTENTRY; |
| 792 | + break; |
| 793 | + case BFD_RELOC_MICROBLAZE_64_GOTPC: |
| 794 | + microblaze_reloc = R_MICROBLAZE_GOTPC_64; |
| 795 | + break; |
| 796 | + case BFD_RELOC_MICROBLAZE_64_GOT: |
| 797 | + microblaze_reloc = R_MICROBLAZE_GOT_64; |
| 798 | + break; |
| 799 | + case BFD_RELOC_MICROBLAZE_64_PLT: |
| 800 | + microblaze_reloc = R_MICROBLAZE_PLT_64; |
| 801 | + break; |
| 802 | + case BFD_RELOC_MICROBLAZE_64_GOTOFF: |
| 803 | + microblaze_reloc = R_MICROBLAZE_GOTOFF_64; |
| 804 | + break; |
| 805 | + case BFD_RELOC_MICROBLAZE_32_GOTOFF: |
| 806 | + microblaze_reloc = R_MICROBLAZE_GOTOFF_32; |
| 807 | + break; |
| 808 | + case BFD_RELOC_MICROBLAZE_64_TLSGD: |
| 809 | + microblaze_reloc = R_MICROBLAZE_TLSGD; |
| 810 | + break; |
| 811 | + case BFD_RELOC_MICROBLAZE_64_TLSLD: |
| 812 | + microblaze_reloc = R_MICROBLAZE_TLSLD; |
| 813 | + break; |
| 814 | + case BFD_RELOC_MICROBLAZE_32_TLSDTPREL: |
| 815 | + microblaze_reloc = R_MICROBLAZE_TLSDTPREL32; |
| 816 | + break; |
| 817 | + case BFD_RELOC_MICROBLAZE_64_TLSDTPREL: |
| 818 | + microblaze_reloc = R_MICROBLAZE_TLSDTPREL64; |
| 819 | + break; |
| 820 | + case BFD_RELOC_MICROBLAZE_32_TLSDTPMOD: |
| 821 | + microblaze_reloc = R_MICROBLAZE_TLSDTPMOD32; |
| 822 | + break; |
| 823 | + case BFD_RELOC_MICROBLAZE_64_TLSGOTTPREL: |
| 824 | + microblaze_reloc = R_MICROBLAZE_TLSGOTTPREL32; |
| 825 | + break; |
| 826 | + case BFD_RELOC_MICROBLAZE_64_TLSTPREL: |
| 827 | + microblaze_reloc = R_MICROBLAZE_TLSTPREL32; |
| 828 | + break; |
| 829 | + case BFD_RELOC_MICROBLAZE_COPY: |
| 830 | + microblaze_reloc = R_MICROBLAZE_COPY; |
| 831 | + break; |
| 832 | + default: |
| 833 | + return (reloc_howto_type *) NULL; |
| 834 | + } |
| 835 | + |
| 836 | + if (!microblaze_elf_howto_table [R_MICROBLAZE_32]) |
| 837 | + /* Initialize howto table if needed. */ |
| 838 | + microblaze_elf_howto_init (); |
| 839 | + |
| 840 | + return microblaze_elf_howto_table [(int) microblaze_reloc]; |
| 841 | +}; |
| 842 | + |
| 843 | +static reloc_howto_type * |
| 844 | +microblaze_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 845 | + const char *r_name) |
| 846 | +{ |
| 847 | + unsigned int i; |
| 848 | + |
| 849 | + for (i = 0; i < NUM_ELEM (microblaze_elf_howto_raw); i++) |
| 850 | + if (microblaze_elf_howto_raw[i].name != NULL |
| 851 | + && strcasecmp (microblaze_elf_howto_raw[i].name, r_name) == 0) |
| 852 | + return µblaze_elf_howto_raw[i]; |
| 853 | + |
| 854 | + return NULL; |
| 855 | +} |
| 856 | + |
| 857 | +/* Set the howto pointer for a RCE ELF reloc. */ |
| 858 | + |
| 859 | +static void |
| 860 | +microblaze_elf_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED, |
| 861 | + arelent * cache_ptr, |
| 862 | + Elf_Internal_Rela * dst) |
| 863 | +{ |
| 864 | + unsigned int r_type; |
| 865 | + |
| 866 | + if (!microblaze_elf_howto_table [R_MICROBLAZE_32]) |
| 867 | + /* Initialize howto table if needed. */ |
| 868 | + microblaze_elf_howto_init (); |
| 869 | + |
| 870 | + r_type = ELF64_R_TYPE (dst->r_info); |
| 871 | + if (r_type >= R_MICROBLAZE_max) |
| 872 | + { |
| 873 | + (*_bfd_error_handler) (_("%B: unrecognised MicroBlaze reloc number: %d"), |
| 874 | + abfd, r_type); |
| 875 | + bfd_set_error (bfd_error_bad_value); |
| 876 | + r_type = R_MICROBLAZE_NONE; |
| 877 | + } |
| 878 | + |
| 879 | + cache_ptr->howto = microblaze_elf_howto_table [r_type]; |
| 880 | +} |
| 881 | + |
| 882 | +/* Microblaze ELF local labels start with 'L.' or '$L', not '.L'. */ |
| 883 | + |
| 884 | +static bfd_boolean |
| 885 | +microblaze_elf_is_local_label_name (bfd *abfd, const char *name) |
| 886 | +{ |
| 887 | + if (name[0] == 'L' && name[1] == '.') |
| 888 | + return TRUE; |
| 889 | + |
| 890 | + if (name[0] == '$' && name[1] == 'L') |
| 891 | + return TRUE; |
| 892 | + |
| 893 | + /* With gcc, the labels go back to starting with '.', so we accept |
| 894 | + the generic ELF local label syntax as well. */ |
| 895 | + return _bfd_elf_is_local_label_name (abfd, name); |
| 896 | +} |
| 897 | + |
| 898 | +/* The microblaze linker (like many others) needs to keep track of |
| 899 | + the number of relocs that it decides to copy as dynamic relocs in |
| 900 | + check_relocs for each symbol. This is so that it can later discard |
| 901 | + them if they are found to be unnecessary. We store the information |
| 902 | + in a field extending the regular ELF linker hash table. */ |
| 903 | + |
| 904 | +struct elf64_mb_dyn_relocs |
| 905 | +{ |
| 906 | + struct elf64_mb_dyn_relocs *next; |
| 907 | + |
| 908 | + /* The input section of the reloc. */ |
| 909 | + asection *sec; |
| 910 | + |
| 911 | + /* Total number of relocs copied for the input section. */ |
| 912 | + bfd_size_type count; |
| 913 | + |
| 914 | + /* Number of pc-relative relocs copied for the input section. */ |
| 915 | + bfd_size_type pc_count; |
| 916 | +}; |
| 917 | + |
| 918 | +/* ELF linker hash entry. */ |
| 919 | + |
| 920 | +struct elf64_mb_link_hash_entry |
| 921 | +{ |
| 922 | + struct elf_link_hash_entry elf; |
| 923 | + |
| 924 | + /* Track dynamic relocs copied for this symbol. */ |
| 925 | + struct elf64_mb_dyn_relocs *dyn_relocs; |
| 926 | + |
| 927 | + /* TLS Reference Types for the symbol; Updated by check_relocs */ |
| 928 | +#define TLS_GD 1 /* GD reloc. */ |
| 929 | +#define TLS_LD 2 /* LD reloc. */ |
| 930 | +#define TLS_TPREL 4 /* TPREL reloc, => IE. */ |
| 931 | +#define TLS_DTPREL 8 /* DTPREL reloc, => LD. */ |
| 932 | +#define TLS_TLS 16 /* Any TLS reloc. */ |
| 933 | + unsigned char tls_mask; |
| 934 | + |
| 935 | +}; |
| 936 | + |
| 937 | +#define IS_TLS_GD(x) (x == (TLS_TLS | TLS_GD)) |
| 938 | +#define IS_TLS_LD(x) (x == (TLS_TLS | TLS_LD)) |
| 939 | +#define IS_TLS_DTPREL(x) (x == (TLS_TLS | TLS_DTPREL)) |
| 940 | +#define IS_TLS_NONE(x) (x == 0) |
| 941 | + |
| 942 | +#define elf64_mb_hash_entry(ent) ((struct elf64_mb_link_hash_entry *)(ent)) |
| 943 | + |
| 944 | +/* ELF linker hash table. */ |
| 945 | + |
| 946 | +struct elf64_mb_link_hash_table |
| 947 | +{ |
| 948 | + struct elf_link_hash_table elf; |
| 949 | + |
| 950 | + /* Short-cuts to get to dynamic linker sections. */ |
| 951 | + asection *sgot; |
| 952 | + asection *sgotplt; |
| 953 | + asection *srelgot; |
| 954 | + asection *splt; |
| 955 | + asection *srelplt; |
| 956 | + asection *sdynbss; |
| 957 | + asection *srelbss; |
| 958 | + |
| 959 | + /* Small local sym to section mapping cache. */ |
| 960 | + struct sym_cache sym_sec; |
| 961 | + |
| 962 | + /* TLS Local Dynamic GOT Entry */ |
| 963 | + union { |
| 964 | + bfd_signed_vma refcount; |
| 965 | + bfd_vma offset; |
| 966 | + } tlsld_got; |
| 967 | +}; |
| 968 | + |
| 969 | +/* Nonzero if this section has TLS related relocations. */ |
| 970 | +#define has_tls_reloc sec_flg0 |
| 971 | + |
| 972 | +/* Get the ELF linker hash table from a link_info structure. */ |
| 973 | + |
| 974 | +#define elf64_mb_hash_table(p) \ |
| 975 | + (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \ |
| 976 | + == MICROBLAZE_ELF_DATA ? ((struct elf64_mb_link_hash_table *) ((p)->hash)) : NULL) |
| 977 | + |
| 978 | +/* Create an entry in a microblaze ELF linker hash table. */ |
| 979 | + |
| 980 | +static struct bfd_hash_entry * |
| 981 | +link_hash_newfunc (struct bfd_hash_entry *entry, |
| 982 | + struct bfd_hash_table *table, |
| 983 | + const char *string) |
| 984 | +{ |
| 985 | + /* Allocate the structure if it has not already been allocated by a |
| 986 | + subclass. */ |
| 987 | + if (entry == NULL) |
| 988 | + { |
| 989 | + entry = bfd_hash_allocate (table, |
| 990 | + sizeof (struct elf64_mb_link_hash_entry)); |
| 991 | + if (entry == NULL) |
| 992 | + return entry; |
| 993 | + } |
| 994 | + |
| 995 | + /* Call the allocation method of the superclass. */ |
| 996 | + entry = _bfd_elf_link_hash_newfunc (entry, table, string); |
| 997 | + if (entry != NULL) |
| 998 | + { |
| 999 | + struct elf64_mb_link_hash_entry *eh; |
| 1000 | + |
| 1001 | + eh = (struct elf64_mb_link_hash_entry *) entry; |
| 1002 | + eh->dyn_relocs = NULL; |
| 1003 | + eh->tls_mask = 0; |
| 1004 | + } |
| 1005 | + |
| 1006 | + return entry; |
| 1007 | +} |
| 1008 | + |
| 1009 | +/* Create a mb ELF linker hash table. */ |
| 1010 | + |
| 1011 | +static struct bfd_link_hash_table * |
| 1012 | +microblaze_elf_link_hash_table_create (bfd *abfd) |
| 1013 | +{ |
| 1014 | + struct elf64_mb_link_hash_table *ret; |
| 1015 | + bfd_size_type amt = sizeof (struct elf64_mb_link_hash_table); |
| 1016 | + |
| 1017 | + ret = (struct elf64_mb_link_hash_table *) bfd_zmalloc (amt); |
| 1018 | + if (ret == NULL) |
| 1019 | + return NULL; |
| 1020 | + |
| 1021 | + if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc, |
| 1022 | + sizeof (struct elf64_mb_link_hash_entry), |
| 1023 | + MICROBLAZE_ELF_DATA)) |
| 1024 | + { |
| 1025 | + free (ret); |
| 1026 | + return NULL; |
| 1027 | + } |
| 1028 | + |
| 1029 | + return &ret->elf.root; |
| 1030 | +} |
| 1031 | + |
| 1032 | +/* Set the values of the small data pointers. */ |
| 1033 | + |
| 1034 | +static void |
| 1035 | +microblaze_elf_final_sdp (struct bfd_link_info *info) |
| 1036 | +{ |
| 1037 | + struct bfd_link_hash_entry *h; |
| 1038 | + |
| 1039 | + h = bfd_link_hash_lookup (info->hash, RO_SDA_ANCHOR_NAME, FALSE, FALSE, TRUE); |
| 1040 | + if (h != (struct bfd_link_hash_entry *) NULL |
| 1041 | + && h->type == bfd_link_hash_defined) |
| 1042 | + ro_small_data_pointer = (h->u.def.value |
| 1043 | + + h->u.def.section->output_section->vma |
| 1044 | + + h->u.def.section->output_offset); |
| 1045 | + |
| 1046 | + h = bfd_link_hash_lookup (info->hash, RW_SDA_ANCHOR_NAME, FALSE, FALSE, TRUE); |
| 1047 | + if (h != (struct bfd_link_hash_entry *) NULL |
| 1048 | + && h->type == bfd_link_hash_defined) |
| 1049 | + rw_small_data_pointer = (h->u.def.value |
| 1050 | + + h->u.def.section->output_section->vma |
| 1051 | + + h->u.def.section->output_offset); |
| 1052 | +} |
| 1053 | + |
| 1054 | +static bfd_vma |
| 1055 | +dtprel_base (struct bfd_link_info *info) |
| 1056 | +{ |
| 1057 | + /* If tls_sec is NULL, we should have signalled an error already. */ |
| 1058 | + if (elf_hash_table (info)->tls_sec == NULL) |
| 1059 | + return 0; |
| 1060 | + return elf_hash_table (info)->tls_sec->vma; |
| 1061 | +} |
| 1062 | + |
| 1063 | +/* The size of the thread control block. */ |
| 1064 | +#define TCB_SIZE 8 |
| 1065 | + |
| 1066 | +/* Output a simple dynamic relocation into SRELOC. */ |
| 1067 | + |
| 1068 | +static void |
| 1069 | +microblaze_elf_output_dynamic_relocation (bfd *output_bfd, |
| 1070 | + asection *sreloc, |
| 1071 | + unsigned long reloc_index, |
| 1072 | + unsigned long indx, |
| 1073 | + int r_type, |
| 1074 | + bfd_vma offset, |
| 1075 | + bfd_vma addend) |
| 1076 | +{ |
| 1077 | + |
| 1078 | + Elf_Internal_Rela rel; |
| 1079 | + |
| 1080 | + rel.r_info = ELF64_R_INFO (indx, r_type); |
| 1081 | + rel.r_offset = offset; |
| 1082 | + rel.r_addend = addend; |
| 1083 | + |
| 1084 | + bfd_elf64_swap_reloca_out (output_bfd, &rel, |
| 1085 | + (sreloc->contents + reloc_index * sizeof (Elf64_External_Rela))); |
| 1086 | +} |
| 1087 | + |
| 1088 | +/* This code is taken from elf64-m32r.c |
| 1089 | + There is some attempt to make this function usable for many architectures, |
| 1090 | + both USE_REL and USE_RELA ['twould be nice if such a critter existed], |
| 1091 | + if only to serve as a learning tool. |
| 1092 | + |
| 1093 | + The RELOCATE_SECTION function is called by the new ELF backend linker |
| 1094 | + to handle the relocations for a section. |
| 1095 | + |
| 1096 | + The relocs are always passed as Rela structures; if the section |
| 1097 | + actually uses Rel structures, the r_addend field will always be |
| 1098 | + zero. |
| 1099 | + |
| 1100 | + This function is responsible for adjust the section contents as |
| 1101 | + necessary, and (if using Rela relocs and generating a |
| 1102 | + relocatable output file) adjusting the reloc addend as |
| 1103 | + necessary. |
| 1104 | + |
| 1105 | + This function does not have to worry about setting the reloc |
| 1106 | + address or the reloc symbol index. |
| 1107 | + |
| 1108 | + LOCAL_SYMS is a pointer to the swapped in local symbols. |
| 1109 | + |
| 1110 | + LOCAL_SECTIONS is an array giving the section in the input file |
| 1111 | + corresponding to the st_shndx field of each local symbol. |
| 1112 | + |
| 1113 | + The global hash table entry for the global symbols can be found |
| 1114 | + via elf_sym_hashes (input_bfd). |
| 1115 | + |
| 1116 | + When generating relocatable output, this function must handle |
| 1117 | + STB_LOCAL/STT_SECTION symbols specially. The output symbol is |
| 1118 | + going to be the section symbol corresponding to the output |
| 1119 | + section, which means that the addend must be adjusted |
| 1120 | + accordingly. */ |
| 1121 | + |
| 1122 | +static bfd_boolean |
| 1123 | +microblaze_elf_relocate_section (bfd *output_bfd, |
| 1124 | + struct bfd_link_info *info, |
| 1125 | + bfd *input_bfd, |
| 1126 | + asection *input_section, |
| 1127 | + bfd_byte *contents, |
| 1128 | + Elf_Internal_Rela *relocs, |
| 1129 | + Elf_Internal_Sym *local_syms, |
| 1130 | + asection **local_sections) |
| 1131 | +{ |
| 1132 | + struct elf64_mb_link_hash_table *htab; |
| 1133 | + Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; |
| 1134 | + struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd); |
| 1135 | + Elf_Internal_Rela *rel, *relend; |
| 1136 | + int endian = (bfd_little_endian (output_bfd)) ? 0 : 2; |
| 1137 | + /* Assume success. */ |
| 1138 | + bfd_boolean ret = TRUE; |
| 1139 | + asection *sreloc; |
| 1140 | + bfd_vma *local_got_offsets; |
| 1141 | + unsigned int tls_type; |
| 1142 | + |
| 1143 | + if (!microblaze_elf_howto_table[R_MICROBLAZE_max-1]) |
| 1144 | + microblaze_elf_howto_init (); |
| 1145 | + |
| 1146 | + htab = elf64_mb_hash_table (info); |
| 1147 | + if (htab == NULL) |
| 1148 | + return FALSE; |
| 1149 | + |
| 1150 | + local_got_offsets = elf_local_got_offsets (input_bfd); |
| 1151 | + |
| 1152 | + sreloc = elf_section_data (input_section)->sreloc; |
| 1153 | + |
| 1154 | + rel = relocs; |
| 1155 | + relend = relocs + input_section->reloc_count; |
| 1156 | + for (; rel < relend; rel++) |
| 1157 | + { |
| 1158 | + int r_type; |
| 1159 | + reloc_howto_type *howto; |
| 1160 | + unsigned long r_symndx; |
| 1161 | + bfd_vma addend = rel->r_addend; |
| 1162 | + bfd_vma offset = rel->r_offset; |
| 1163 | + struct elf_link_hash_entry *h; |
| 1164 | + Elf_Internal_Sym *sym; |
| 1165 | + asection *sec; |
| 1166 | + const char *sym_name; |
| 1167 | + bfd_reloc_status_type r = bfd_reloc_ok; |
| 1168 | + const char *errmsg = NULL; |
| 1169 | + bfd_boolean unresolved_reloc = FALSE; |
| 1170 | + |
| 1171 | + h = NULL; |
| 1172 | + r_type = ELF64_R_TYPE (rel->r_info); |
| 1173 | + tls_type = 0; |
| 1174 | + |
| 1175 | + if (r_type < 0 || r_type >= (int) R_MICROBLAZE_max) |
| 1176 | + { |
| 1177 | + (*_bfd_error_handler) (_("%s: unknown relocation type %d"), |
| 1178 | + bfd_get_filename (input_bfd), (int) r_type); |
| 1179 | + bfd_set_error (bfd_error_bad_value); |
| 1180 | + ret = FALSE; |
| 1181 | + continue; |
| 1182 | + } |
| 1183 | + |
| 1184 | + howto = microblaze_elf_howto_table[r_type]; |
| 1185 | + r_symndx = ELF64_R_SYM (rel->r_info); |
| 1186 | + |
| 1187 | + if (bfd_link_relocatable (info)) |
| 1188 | + { |
| 1189 | + /* This is a relocatable link. We don't have to change |
| 1190 | + anything, unless the reloc is against a section symbol, |
| 1191 | + in which case we have to adjust according to where the |
| 1192 | + section symbol winds up in the output section. */ |
| 1193 | + sec = NULL; |
| 1194 | + if (r_symndx >= symtab_hdr->sh_info) |
| 1195 | + /* External symbol. */ |
| 1196 | + continue; |
| 1197 | + |
| 1198 | + /* Local symbol. */ |
| 1199 | + sym = local_syms + r_symndx; |
| 1200 | + sym_name = "<local symbol>"; |
| 1201 | + /* STT_SECTION: symbol is associated with a section. */ |
| 1202 | + if (ELF_ST_TYPE (sym->st_info) != STT_SECTION) |
| 1203 | + /* Symbol isn't associated with a section. Nothing to do. */ |
| 1204 | + continue; |
| 1205 | + |
| 1206 | + sec = local_sections[r_symndx]; |
| 1207 | + addend += sec->output_offset + sym->st_value; |
| 1208 | +#ifndef USE_REL |
| 1209 | + /* This can't be done for USE_REL because it doesn't mean anything |
| 1210 | + and elf_link_input_bfd asserts this stays zero. */ |
| 1211 | + /* rel->r_addend = addend; */ |
| 1212 | +#endif |
| 1213 | + |
| 1214 | +#ifndef USE_REL |
| 1215 | + /* Addends are stored with relocs. We're done. */ |
| 1216 | + continue; |
| 1217 | +#else /* USE_REL */ |
| 1218 | + /* If partial_inplace, we need to store any additional addend |
| 1219 | + back in the section. */ |
| 1220 | + if (!howto->partial_inplace) |
| 1221 | + continue; |
| 1222 | + /* ??? Here is a nice place to call a special_function like handler. */ |
| 1223 | + r = _bfd_relocate_contents (howto, input_bfd, addend, |
| 1224 | + contents + offset); |
| 1225 | +#endif /* USE_REL */ |
| 1226 | + } |
| 1227 | + else |
| 1228 | + { |
| 1229 | + bfd_vma relocation; |
| 1230 | + |
| 1231 | + /* This is a final link. */ |
| 1232 | + sym = NULL; |
| 1233 | + sec = NULL; |
| 1234 | + unresolved_reloc = FALSE; |
| 1235 | + |
| 1236 | + if (r_symndx < symtab_hdr->sh_info) |
| 1237 | + { |
| 1238 | + /* Local symbol. */ |
| 1239 | + sym = local_syms + r_symndx; |
| 1240 | + sec = local_sections[r_symndx]; |
| 1241 | + if (sec == 0) |
| 1242 | + continue; |
| 1243 | + sym_name = "<local symbol>"; |
| 1244 | + relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
| 1245 | + /* r_addend may have changed if the reference section was |
| 1246 | + a merge section. */ |
| 1247 | + addend = rel->r_addend; |
| 1248 | + } |
| 1249 | + else |
| 1250 | + { |
| 1251 | + /* External symbol. */ |
| 1252 | + bfd_boolean warned ATTRIBUTE_UNUSED; |
| 1253 | + bfd_boolean ignored ATTRIBUTE_UNUSED; |
| 1254 | + |
| 1255 | + RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
| 1256 | + r_symndx, symtab_hdr, sym_hashes, |
| 1257 | + h, sec, relocation, |
| 1258 | + unresolved_reloc, warned, ignored); |
| 1259 | + sym_name = h->root.root.string; |
| 1260 | + } |
| 1261 | + |
| 1262 | + /* Sanity check the address. */ |
| 1263 | + if (offset > bfd_get_section_limit (input_bfd, input_section)) |
| 1264 | + { |
| 1265 | + r = bfd_reloc_outofrange; |
| 1266 | + goto check_reloc; |
| 1267 | + } |
| 1268 | + |
| 1269 | + switch ((int) r_type) |
| 1270 | + { |
| 1271 | + case (int) R_MICROBLAZE_SRO32 : |
| 1272 | + { |
| 1273 | + const char *name; |
| 1274 | + |
| 1275 | + /* Only relocate if the symbol is defined. */ |
| 1276 | + if (sec) |
| 1277 | + { |
| 1278 | + name = bfd_get_section_name (sec->owner, sec); |
| 1279 | + |
| 1280 | + if (strcmp (name, ".sdata2") == 0 |
| 1281 | + || strcmp (name, ".sbss2") == 0) |
| 1282 | + { |
| 1283 | + if (ro_small_data_pointer == 0) |
| 1284 | + microblaze_elf_final_sdp (info); |
| 1285 | + if (ro_small_data_pointer == 0) |
| 1286 | + { |
| 1287 | + ret = FALSE; |
| 1288 | + r = bfd_reloc_undefined; |
| 1289 | + goto check_reloc; |
| 1290 | + } |
| 1291 | + |
| 1292 | + /* At this point `relocation' contains the object's |
| 1293 | + address. */ |
| 1294 | + relocation -= ro_small_data_pointer; |
| 1295 | + /* Now it contains the offset from _SDA2_BASE_. */ |
| 1296 | + r = _bfd_final_link_relocate (howto, input_bfd, |
| 1297 | + input_section, |
| 1298 | + contents, offset, |
| 1299 | + relocation, addend); |
| 1300 | + } |
| 1301 | + else |
| 1302 | + { |
| 1303 | + (*_bfd_error_handler) (_("%s: The target (%s) of an %s relocation is in the wrong section (%s)"), |
| 1304 | + bfd_get_filename (input_bfd), |
| 1305 | + sym_name, |
| 1306 | + microblaze_elf_howto_table[(int) r_type]->name, |
| 1307 | + bfd_get_section_name (sec->owner, sec)); |
| 1308 | + /*bfd_set_error (bfd_error_bad_value); ??? why? */ |
| 1309 | + ret = FALSE; |
| 1310 | + continue; |
| 1311 | + } |
| 1312 | + } |
| 1313 | + } |
| 1314 | + break; |
| 1315 | + |
| 1316 | + case (int) R_MICROBLAZE_SRW32 : |
| 1317 | + { |
| 1318 | + const char *name; |
| 1319 | + |
| 1320 | + /* Only relocate if the symbol is defined. */ |
| 1321 | + if (sec) |
| 1322 | + { |
| 1323 | + name = bfd_get_section_name (sec->owner, sec); |
| 1324 | + |
| 1325 | + if (strcmp (name, ".sdata") == 0 |
| 1326 | + || strcmp (name, ".sbss") == 0) |
| 1327 | + { |
| 1328 | + if (rw_small_data_pointer == 0) |
| 1329 | + microblaze_elf_final_sdp (info); |
| 1330 | + if (rw_small_data_pointer == 0) |
| 1331 | + { |
| 1332 | + ret = FALSE; |
| 1333 | + r = bfd_reloc_undefined; |
| 1334 | + goto check_reloc; |
| 1335 | + } |
| 1336 | + |
| 1337 | + /* At this point `relocation' contains the object's |
| 1338 | + address. */ |
| 1339 | + relocation -= rw_small_data_pointer; |
| 1340 | + /* Now it contains the offset from _SDA_BASE_. */ |
| 1341 | + r = _bfd_final_link_relocate (howto, input_bfd, |
| 1342 | + input_section, |
| 1343 | + contents, offset, |
| 1344 | + relocation, addend); |
| 1345 | + } |
| 1346 | + else |
| 1347 | + { |
| 1348 | + (*_bfd_error_handler) (_("%s: The target (%s) of an %s relocation is in the wrong section (%s)"), |
| 1349 | + bfd_get_filename (input_bfd), |
| 1350 | + sym_name, |
| 1351 | + microblaze_elf_howto_table[(int) r_type]->name, |
| 1352 | + bfd_get_section_name (sec->owner, sec)); |
| 1353 | + /*bfd_set_error (bfd_error_bad_value); ??? why? */ |
| 1354 | + ret = FALSE; |
| 1355 | + continue; |
| 1356 | + } |
| 1357 | + } |
| 1358 | + } |
| 1359 | + break; |
| 1360 | + |
| 1361 | + case (int) R_MICROBLAZE_32_SYM_OP_SYM: |
| 1362 | + break; /* Do nothing. */ |
| 1363 | + |
| 1364 | + case (int) R_MICROBLAZE_GOTPC_64: |
| 1365 | + relocation = htab->sgotplt->output_section->vma |
| 1366 | + + htab->sgotplt->output_offset; |
| 1367 | + relocation -= (input_section->output_section->vma |
| 1368 | + + input_section->output_offset |
| 1369 | + + offset + INST_WORD_SIZE); |
| 1370 | + relocation += addend; |
| 1371 | + bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, |
| 1372 | + contents + offset + endian); |
| 1373 | + bfd_put_16 (input_bfd, relocation & 0xffff, |
| 1374 | + contents + offset + endian + INST_WORD_SIZE); |
| 1375 | + break; |
| 1376 | + |
| 1377 | + case (int) R_MICROBLAZE_PLT_64: |
| 1378 | + { |
| 1379 | + bfd_vma immediate; |
| 1380 | + if (htab->splt != NULL && h != NULL |
| 1381 | + && h->plt.offset != (bfd_vma) -1) |
| 1382 | + { |
| 1383 | + relocation = (htab->splt->output_section->vma |
| 1384 | + + htab->splt->output_offset |
| 1385 | + + h->plt.offset); |
| 1386 | + unresolved_reloc = FALSE; |
| 1387 | + immediate = relocation - (input_section->output_section->vma |
| 1388 | + + input_section->output_offset |
| 1389 | + + offset + INST_WORD_SIZE); |
| 1390 | + bfd_put_16 (input_bfd, (immediate >> 16) & 0xffff, |
| 1391 | + contents + offset + endian); |
| 1392 | + bfd_put_16 (input_bfd, immediate & 0xffff, |
| 1393 | + contents + offset + endian + INST_WORD_SIZE); |
| 1394 | + } |
| 1395 | + else |
| 1396 | + { |
| 1397 | + relocation -= (input_section->output_section->vma |
| 1398 | + + input_section->output_offset |
| 1399 | + + offset + INST_WORD_SIZE); |
| 1400 | + immediate = relocation; |
| 1401 | + bfd_put_16 (input_bfd, (immediate >> 16) & 0xffff, |
| 1402 | + contents + offset + endian); |
| 1403 | + bfd_put_16 (input_bfd, immediate & 0xffff, |
| 1404 | + contents + offset + endian + INST_WORD_SIZE); |
| 1405 | + } |
| 1406 | + break; |
| 1407 | + } |
| 1408 | + |
| 1409 | + case (int) R_MICROBLAZE_TLSGD: |
| 1410 | + tls_type = (TLS_TLS | TLS_GD); |
| 1411 | + goto dogot; |
| 1412 | + case (int) R_MICROBLAZE_TLSLD: |
| 1413 | + tls_type = (TLS_TLS | TLS_LD); |
| 1414 | + dogot: |
| 1415 | + case (int) R_MICROBLAZE_GOT_64: |
| 1416 | + { |
| 1417 | + bfd_vma *offp; |
| 1418 | + bfd_vma off, off2; |
| 1419 | + unsigned long indx; |
| 1420 | + bfd_vma static_value; |
| 1421 | + |
| 1422 | + bfd_boolean need_relocs = FALSE; |
| 1423 | + if (htab->sgot == NULL) |
| 1424 | + abort (); |
| 1425 | + |
| 1426 | + indx = 0; |
| 1427 | + offp = NULL; |
| 1428 | + |
| 1429 | + /* 1. Identify GOT Offset; |
| 1430 | + 2. Compute Static Values |
| 1431 | + 3. Process Module Id, Process Offset |
| 1432 | + 4. Fixup Relocation with GOT offset value. */ |
| 1433 | + |
| 1434 | + /* 1. Determine GOT Offset to use : TLS_LD, global, local */ |
| 1435 | + if (IS_TLS_LD (tls_type)) |
| 1436 | + offp = &htab->tlsld_got.offset; |
| 1437 | + else if (h != NULL) |
| 1438 | + { |
| 1439 | + if (htab->sgotplt != NULL && h->got.offset != (bfd_vma) -1) |
| 1440 | + offp = &h->got.offset; |
| 1441 | + else |
| 1442 | + abort (); |
| 1443 | + } |
| 1444 | + else |
| 1445 | + { |
| 1446 | + if (local_got_offsets == NULL) |
| 1447 | + abort (); |
| 1448 | + offp = &local_got_offsets[r_symndx]; |
| 1449 | + } |
| 1450 | + |
| 1451 | + if (!offp) |
| 1452 | + abort (); |
| 1453 | + |
| 1454 | + off = (*offp) & ~1; |
| 1455 | + off2 = off; |
| 1456 | + |
| 1457 | + if (IS_TLS_LD(tls_type) || IS_TLS_GD(tls_type)) |
| 1458 | + off2 = off + 4; |
| 1459 | + |
| 1460 | + /* Symbol index to use for relocs */ |
| 1461 | + if (h != NULL) |
| 1462 | + { |
| 1463 | + bfd_boolean dyn = |
| 1464 | + elf_hash_table (info)->dynamic_sections_created; |
| 1465 | + |
| 1466 | + if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
| 1467 | + bfd_link_pic (info), |
| 1468 | + h) |
| 1469 | + && (!bfd_link_pic (info) |
| 1470 | + || !SYMBOL_REFERENCES_LOCAL (info, h))) |
| 1471 | + indx = h->dynindx; |
| 1472 | + } |
| 1473 | + |
| 1474 | + /* Need to generate relocs ? */ |
| 1475 | + if ((bfd_link_pic (info) || indx != 0) |
| 1476 | + && (h == NULL |
| 1477 | + || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT |
| 1478 | + || h->root.type != bfd_link_hash_undefweak)) |
| 1479 | + need_relocs = TRUE; |
| 1480 | + |
| 1481 | + /* 2. Compute/Emit Static value of r-expression */ |
| 1482 | + static_value = relocation + addend; |
| 1483 | + |
| 1484 | + /* 3. Process module-id and offset */ |
| 1485 | + if (! ((*offp) & 1) ) |
| 1486 | + { |
| 1487 | + bfd_vma got_offset; |
| 1488 | + |
| 1489 | + got_offset = (htab->sgot->output_section->vma |
| 1490 | + + htab->sgot->output_offset |
| 1491 | + + off); |
| 1492 | + |
| 1493 | + /* Process module-id */ |
| 1494 | + if (IS_TLS_LD(tls_type)) |
| 1495 | + { |
| 1496 | + if (! bfd_link_pic (info)) |
| 1497 | + { |
| 1498 | + bfd_put_32 (output_bfd, 1, htab->sgot->contents + off); |
| 1499 | + } |
| 1500 | + else |
| 1501 | + { |
| 1502 | + microblaze_elf_output_dynamic_relocation (output_bfd, |
| 1503 | + htab->srelgot, htab->srelgot->reloc_count++, |
| 1504 | + /* symindex= */ 0, R_MICROBLAZE_TLSDTPMOD32, |
| 1505 | + got_offset, 0); |
| 1506 | + } |
| 1507 | + } |
| 1508 | + else if (IS_TLS_GD(tls_type)) |
| 1509 | + { |
| 1510 | + if (! need_relocs) |
| 1511 | + { |
| 1512 | + bfd_put_32 (output_bfd, 1, htab->sgot->contents + off); |
| 1513 | + } |
| 1514 | + else |
| 1515 | + { |
| 1516 | + microblaze_elf_output_dynamic_relocation (output_bfd, |
| 1517 | + htab->srelgot, |
| 1518 | + htab->srelgot->reloc_count++, |
| 1519 | + /* symindex= */ indx, R_MICROBLAZE_TLSDTPMOD32, |
| 1520 | + got_offset, indx ? 0 : static_value); |
| 1521 | + } |
| 1522 | + } |
| 1523 | + |
| 1524 | + /* Process Offset */ |
| 1525 | + if (htab->srelgot == NULL) |
| 1526 | + abort (); |
| 1527 | + |
| 1528 | + got_offset = (htab->sgot->output_section->vma |
| 1529 | + + htab->sgot->output_offset |
| 1530 | + + off2); |
| 1531 | + if (IS_TLS_LD(tls_type)) |
| 1532 | + { |
| 1533 | + /* For LD, offset should be 0 */ |
| 1534 | + *offp |= 1; |
| 1535 | + bfd_put_32 (output_bfd, 0, htab->sgot->contents + off2); |
| 1536 | + } |
| 1537 | + else if (IS_TLS_GD(tls_type)) |
| 1538 | + { |
| 1539 | + *offp |= 1; |
| 1540 | + static_value -= dtprel_base(info); |
| 1541 | + if (need_relocs) |
| 1542 | + { |
| 1543 | + microblaze_elf_output_dynamic_relocation (output_bfd, |
| 1544 | + htab->srelgot, htab->srelgot->reloc_count++, |
| 1545 | + /* symindex= */ indx, R_MICROBLAZE_TLSDTPREL32, |
| 1546 | + got_offset, indx ? 0 : static_value); |
| 1547 | + } |
| 1548 | + else |
| 1549 | + { |
| 1550 | + bfd_put_32 (output_bfd, static_value, |
| 1551 | + htab->sgot->contents + off2); |
| 1552 | + } |
| 1553 | + } |
| 1554 | + else |
| 1555 | + { |
| 1556 | + bfd_put_32 (output_bfd, static_value, |
| 1557 | + htab->sgot->contents + off2); |
| 1558 | + |
| 1559 | + /* Relocs for dyn symbols generated by |
| 1560 | + finish_dynamic_symbols */ |
| 1561 | + if (bfd_link_pic (info) && h == NULL) |
| 1562 | + { |
| 1563 | + *offp |= 1; |
| 1564 | + microblaze_elf_output_dynamic_relocation (output_bfd, |
| 1565 | + htab->srelgot, htab->srelgot->reloc_count++, |
| 1566 | + /* symindex= */ indx, R_MICROBLAZE_REL, |
| 1567 | + got_offset, static_value); |
| 1568 | + } |
| 1569 | + } |
| 1570 | + } |
| 1571 | + |
| 1572 | + /* 4. Fixup Relocation with GOT offset value |
| 1573 | + Compute relative address of GOT entry for applying |
| 1574 | + the current relocation */ |
| 1575 | + relocation = htab->sgot->output_section->vma |
| 1576 | + + htab->sgot->output_offset |
| 1577 | + + off |
| 1578 | + - htab->sgotplt->output_section->vma |
| 1579 | + - htab->sgotplt->output_offset; |
| 1580 | + |
| 1581 | + /* Apply Current Relocation */ |
| 1582 | + bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, |
| 1583 | + contents + offset + endian); |
| 1584 | + bfd_put_16 (input_bfd, relocation & 0xffff, |
| 1585 | + contents + offset + endian + INST_WORD_SIZE); |
| 1586 | + |
| 1587 | + unresolved_reloc = FALSE; |
| 1588 | + break; |
| 1589 | + } |
| 1590 | + |
| 1591 | + case (int) R_MICROBLAZE_GOTOFF_64: |
| 1592 | + { |
| 1593 | + bfd_vma immediate; |
| 1594 | + unsigned short lo, high; |
| 1595 | + relocation += addend; |
| 1596 | + relocation -= htab->sgotplt->output_section->vma |
| 1597 | + + htab->sgotplt->output_offset; |
| 1598 | + /* Write this value into correct location. */ |
| 1599 | + immediate = relocation; |
| 1600 | + lo = immediate & 0x0000ffff; |
| 1601 | + high = (immediate >> 16) & 0x0000ffff; |
| 1602 | + bfd_put_16 (input_bfd, high, contents + offset + endian); |
| 1603 | + bfd_put_16 (input_bfd, lo, contents + offset + INST_WORD_SIZE + endian); |
| 1604 | + break; |
| 1605 | + } |
| 1606 | + |
| 1607 | + case (int) R_MICROBLAZE_GOTOFF_32: |
| 1608 | + { |
| 1609 | + relocation += addend; |
| 1610 | + relocation -= htab->sgotplt->output_section->vma |
| 1611 | + + htab->sgotplt->output_offset; |
| 1612 | + /* Write this value into correct location. */ |
| 1613 | + bfd_put_32 (input_bfd, relocation, contents + offset); |
| 1614 | + break; |
| 1615 | + } |
| 1616 | + |
| 1617 | + case (int) R_MICROBLAZE_TLSDTPREL64: |
| 1618 | + relocation += addend; |
| 1619 | + relocation -= dtprel_base(info); |
| 1620 | + bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, |
| 1621 | + contents + offset + endian); |
| 1622 | + bfd_put_16 (input_bfd, relocation & 0xffff, |
| 1623 | + contents + offset + endian + INST_WORD_SIZE); |
| 1624 | + break; |
| 1625 | + case (int) R_MICROBLAZE_64_PCREL : |
| 1626 | + case (int) R_MICROBLAZE_64: |
| 1627 | + case (int) R_MICROBLAZE_32: |
| 1628 | + { |
| 1629 | + /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols |
| 1630 | + from removed linkonce sections, or sections discarded by |
| 1631 | + a linker script. */ |
| 1632 | + if (r_symndx == STN_UNDEF || (input_section->flags & SEC_ALLOC) == 0) |
| 1633 | + { |
| 1634 | + relocation += addend; |
| 1635 | + if (r_type == R_MICROBLAZE_32) |
| 1636 | + bfd_put_32 (input_bfd, relocation, contents + offset); |
| 1637 | + else |
| 1638 | + { |
| 1639 | + if (r_type == R_MICROBLAZE_64_PCREL) |
| 1640 | + relocation -= (input_section->output_section->vma |
| 1641 | + + input_section->output_offset |
| 1642 | + + offset + INST_WORD_SIZE); |
| 1643 | + bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, |
| 1644 | + contents + offset + endian); |
| 1645 | + bfd_put_16 (input_bfd, relocation & 0xffff, |
| 1646 | + contents + offset + endian + INST_WORD_SIZE); |
| 1647 | + } |
| 1648 | + break; |
| 1649 | + } |
| 1650 | + |
| 1651 | + if ((bfd_link_pic (info) |
| 1652 | + && (h == NULL |
| 1653 | + || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT |
| 1654 | + || h->root.type != bfd_link_hash_undefweak) |
| 1655 | + && (!howto->pc_relative |
| 1656 | + || (h != NULL |
| 1657 | + && h->dynindx != -1 |
| 1658 | + && (!info->symbolic |
| 1659 | + || !h->def_regular)))) |
| 1660 | + || (!bfd_link_pic (info) |
| 1661 | + && h != NULL |
| 1662 | + && h->dynindx != -1 |
| 1663 | + && !h->non_got_ref |
| 1664 | + && ((h->def_dynamic |
| 1665 | + && !h->def_regular) |
| 1666 | + || h->root.type == bfd_link_hash_undefweak |
| 1667 | + || h->root.type == bfd_link_hash_undefined))) |
| 1668 | + { |
| 1669 | + Elf_Internal_Rela outrel; |
| 1670 | + bfd_byte *loc; |
| 1671 | + bfd_boolean skip; |
| 1672 | + |
| 1673 | + /* When generating a shared object, these relocations |
| 1674 | + are copied into the output file to be resolved at run |
| 1675 | + time. */ |
| 1676 | + |
| 1677 | + BFD_ASSERT (sreloc != NULL); |
| 1678 | + |
| 1679 | + skip = FALSE; |
| 1680 | + |
| 1681 | + outrel.r_offset = |
| 1682 | + _bfd_elf_section_offset (output_bfd, info, input_section, |
| 1683 | + rel->r_offset); |
| 1684 | + if (outrel.r_offset == (bfd_vma) -1) |
| 1685 | + skip = TRUE; |
| 1686 | + else if (outrel.r_offset == (bfd_vma) -2) |
| 1687 | + skip = TRUE; |
| 1688 | + outrel.r_offset += (input_section->output_section->vma |
| 1689 | + + input_section->output_offset); |
| 1690 | + |
| 1691 | + if (skip) |
| 1692 | + memset (&outrel, 0, sizeof outrel); |
| 1693 | + /* h->dynindx may be -1 if the symbol was marked to |
| 1694 | + become local. */ |
| 1695 | + else if (h != NULL |
| 1696 | + && ((! info->symbolic && h->dynindx != -1) |
| 1697 | + || !h->def_regular)) |
| 1698 | + { |
| 1699 | + BFD_ASSERT (h->dynindx != -1); |
| 1700 | + outrel.r_info = ELF64_R_INFO (h->dynindx, r_type); |
| 1701 | + outrel.r_addend = addend; |
| 1702 | + } |
| 1703 | + else |
| 1704 | + { |
| 1705 | + if (r_type == R_MICROBLAZE_32) |
| 1706 | + { |
| 1707 | + outrel.r_info = ELF64_R_INFO (0, R_MICROBLAZE_REL); |
| 1708 | + outrel.r_addend = relocation + addend; |
| 1709 | + } |
| 1710 | + else |
| 1711 | + { |
| 1712 | + BFD_FAIL (); |
| 1713 | + (*_bfd_error_handler) |
| 1714 | + (_("%B: probably compiled without -fPIC?"), |
| 1715 | + input_bfd); |
| 1716 | + bfd_set_error (bfd_error_bad_value); |
| 1717 | + return FALSE; |
| 1718 | + } |
| 1719 | + } |
| 1720 | + |
| 1721 | + loc = sreloc->contents; |
| 1722 | + loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); |
| 1723 | + bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); |
| 1724 | + break; |
| 1725 | + } |
| 1726 | + else |
| 1727 | + { |
| 1728 | + relocation += addend; |
| 1729 | + if (r_type == R_MICROBLAZE_32) |
| 1730 | + bfd_put_32 (input_bfd, relocation, contents + offset); |
| 1731 | + else |
| 1732 | + { |
| 1733 | + if (r_type == R_MICROBLAZE_64_PCREL) |
| 1734 | + relocation -= (input_section->output_section->vma |
| 1735 | + + input_section->output_offset |
| 1736 | + + offset + INST_WORD_SIZE); |
| 1737 | + bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, |
| 1738 | + contents + offset + endian); |
| 1739 | + bfd_put_16 (input_bfd, relocation & 0xffff, |
| 1740 | + contents + offset + endian + INST_WORD_SIZE); |
| 1741 | + } |
| 1742 | + break; |
| 1743 | + } |
| 1744 | + } |
| 1745 | + |
| 1746 | + default : |
| 1747 | + r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
| 1748 | + contents, offset, |
| 1749 | + relocation, addend); |
| 1750 | + break; |
| 1751 | + } |
| 1752 | + } |
| 1753 | + |
| 1754 | + check_reloc: |
| 1755 | + |
| 1756 | + if (r != bfd_reloc_ok) |
| 1757 | + { |
| 1758 | + /* FIXME: This should be generic enough to go in a utility. */ |
| 1759 | + const char *name; |
| 1760 | + |
| 1761 | + if (h != NULL) |
| 1762 | + name = h->root.root.string; |
| 1763 | + else |
| 1764 | + { |
| 1765 | + name = (bfd_elf_string_from_elf_section |
| 1766 | + (input_bfd, symtab_hdr->sh_link, sym->st_name)); |
| 1767 | + if (name == NULL || *name == '\0') |
| 1768 | + name = bfd_section_name (input_bfd, sec); |
| 1769 | + } |
| 1770 | + |
| 1771 | + if (errmsg != NULL) |
| 1772 | + goto common_error; |
| 1773 | + |
| 1774 | + switch (r) |
| 1775 | + { |
| 1776 | + case bfd_reloc_overflow: |
| 1777 | + (*info->callbacks->reloc_overflow) |
| 1778 | + (info, (h ? &h->root : NULL), name, howto->name, |
| 1779 | + (bfd_vma) 0, input_bfd, input_section, offset); |
| 1780 | + break; |
| 1781 | + |
| 1782 | + case bfd_reloc_undefined: |
| 1783 | + (*info->callbacks->undefined_symbol) |
| 1784 | + (info, name, input_bfd, input_section, offset, TRUE); |
| 1785 | + break; |
| 1786 | + |
| 1787 | + case bfd_reloc_outofrange: |
| 1788 | + errmsg = _("internal error: out of range error"); |
| 1789 | + goto common_error; |
| 1790 | + |
| 1791 | + case bfd_reloc_notsupported: |
| 1792 | + errmsg = _("internal error: unsupported relocation error"); |
| 1793 | + goto common_error; |
| 1794 | + |
| 1795 | + case bfd_reloc_dangerous: |
| 1796 | + errmsg = _("internal error: dangerous error"); |
| 1797 | + goto common_error; |
| 1798 | + |
| 1799 | + default: |
| 1800 | + errmsg = _("internal error: unknown error"); |
| 1801 | + /* Fall through. */ |
| 1802 | + common_error: |
| 1803 | + (*info->callbacks->warning) (info, errmsg, name, input_bfd, |
| 1804 | + input_section, offset); |
| 1805 | + break; |
| 1806 | + } |
| 1807 | + } |
| 1808 | + } |
| 1809 | + |
| 1810 | + return ret; |
| 1811 | +} |
| 1812 | + |
| 1813 | +/* Merge backend specific data from an object file to the output |
| 1814 | + object file when linking. |
| 1815 | + |
| 1816 | + Note: We only use this hook to catch endian mismatches. */ |
| 1817 | +static bfd_boolean |
| 1818 | +microblaze_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd) |
| 1819 | +{ |
| 1820 | + /* Check if we have the same endianess. */ |
| 1821 | + if (! _bfd_generic_verify_endian_match (ibfd, obfd)) |
| 1822 | + return FALSE; |
| 1823 | + |
| 1824 | + return TRUE; |
| 1825 | +} |
| 1826 | + |
| 1827 | + |
| 1828 | +/* Calculate fixup value for reference. */ |
| 1829 | + |
| 1830 | +static int |
| 1831 | +calc_fixup (bfd_vma start, bfd_vma size, asection *sec) |
| 1832 | +{ |
| 1833 | + bfd_vma end = start + size; |
| 1834 | + int i, fixup = 0; |
| 1835 | + |
| 1836 | + if (sec == NULL || sec->relax == NULL) |
| 1837 | + return 0; |
| 1838 | + |
| 1839 | + /* Look for addr in relax table, total fixup value. */ |
| 1840 | + for (i = 0; i < sec->relax_count; i++) |
| 1841 | + { |
| 1842 | + if (end <= sec->relax[i].addr) |
| 1843 | + break; |
| 1844 | + if ((end != start) && (start > sec->relax[i].addr)) |
| 1845 | + continue; |
| 1846 | + fixup += sec->relax[i].size; |
| 1847 | + } |
| 1848 | + return fixup; |
| 1849 | +} |
| 1850 | + |
| 1851 | +/* Read-modify-write into the bfd, an immediate value into appropriate fields of |
| 1852 | + a 32-bit instruction. */ |
| 1853 | +static void |
| 1854 | +microblaze_bfd_write_imm_value_32 (bfd *abfd, bfd_byte *bfd_addr, bfd_vma val) |
| 1855 | +{ |
| 1856 | + unsigned long instr = bfd_get_32 (abfd, bfd_addr); |
| 1857 | + instr &= ~0x0000ffff; |
| 1858 | + instr |= (val & 0x0000ffff); |
| 1859 | + bfd_put_32 (abfd, instr, bfd_addr); |
| 1860 | +} |
| 1861 | + |
| 1862 | +/* Read-modify-write into the bfd, an immediate value into appropriate fields of |
| 1863 | + two consecutive 32-bit instructions. */ |
| 1864 | +static void |
| 1865 | +microblaze_bfd_write_imm_value_64 (bfd *abfd, bfd_byte *bfd_addr, bfd_vma val) |
| 1866 | +{ |
| 1867 | + unsigned long instr_hi; |
| 1868 | + unsigned long instr_lo; |
| 1869 | + |
| 1870 | + instr_hi = bfd_get_32 (abfd, bfd_addr); |
| 1871 | + instr_hi &= ~0x0000ffff; |
| 1872 | + instr_hi |= ((val >> 16) & 0x0000ffff); |
| 1873 | + bfd_put_32 (abfd, instr_hi, bfd_addr); |
| 1874 | + |
| 1875 | + instr_lo = bfd_get_32 (abfd, bfd_addr + INST_WORD_SIZE); |
| 1876 | + instr_lo &= ~0x0000ffff; |
| 1877 | + instr_lo |= (val & 0x0000ffff); |
| 1878 | + bfd_put_32 (abfd, instr_lo, bfd_addr + INST_WORD_SIZE); |
| 1879 | +} |
| 1880 | + |
| 1881 | +static bfd_boolean |
| 1882 | +microblaze_elf_relax_section (bfd *abfd, |
| 1883 | + asection *sec, |
| 1884 | + struct bfd_link_info *link_info, |
| 1885 | + bfd_boolean *again) |
| 1886 | +{ |
| 1887 | + Elf_Internal_Shdr *symtab_hdr; |
| 1888 | + Elf_Internal_Rela *internal_relocs; |
| 1889 | + Elf_Internal_Rela *free_relocs = NULL; |
| 1890 | + Elf_Internal_Rela *irel, *irelend; |
| 1891 | + bfd_byte *contents = NULL; |
| 1892 | + bfd_byte *free_contents = NULL; |
| 1893 | + int rel_count; |
| 1894 | + unsigned int shndx; |
| 1895 | + int i, sym_index; |
| 1896 | + asection *o; |
| 1897 | + struct elf_link_hash_entry *sym_hash; |
| 1898 | + Elf_Internal_Sym *isymbuf, *isymend; |
| 1899 | + Elf_Internal_Sym *isym; |
| 1900 | + int symcount; |
| 1901 | + int offset; |
| 1902 | + bfd_vma src, dest; |
| 1903 | + |
| 1904 | + /* We only do this once per section. We may be able to delete some code |
| 1905 | + by running multiple passes, but it is not worth it. */ |
| 1906 | + *again = FALSE; |
| 1907 | + |
| 1908 | + /* Only do this for a text section. */ |
| 1909 | + if (bfd_link_relocatable (link_info) |
| 1910 | + || (sec->flags & SEC_RELOC) == 0 |
| 1911 | + || (sec->reloc_count == 0) |
| 1912 | + || (sec->flags & SEC_CODE) == 0) |
| 1913 | + return TRUE; |
| 1914 | + |
| 1915 | + BFD_ASSERT ((sec->size > 0) || (sec->rawsize > 0)); |
| 1916 | + |
| 1917 | + /* If this is the first time we have been called for this section, |
| 1918 | + initialize the cooked size. */ |
| 1919 | + if (sec->size == 0) |
| 1920 | + sec->size = sec->rawsize; |
| 1921 | + |
| 1922 | + /* Get symbols for this section. */ |
| 1923 | + symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
| 1924 | + isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
| 1925 | + symcount = symtab_hdr->sh_size / sizeof (Elf64_External_Sym); |
| 1926 | + if (isymbuf == NULL) |
| 1927 | + isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, symcount, |
| 1928 | + 0, NULL, NULL, NULL); |
| 1929 | + BFD_ASSERT (isymbuf != NULL); |
| 1930 | + |
| 1931 | + internal_relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL, link_info->keep_memory); |
| 1932 | + if (internal_relocs == NULL) |
| 1933 | + goto error_return; |
| 1934 | + if (! link_info->keep_memory) |
| 1935 | + free_relocs = internal_relocs; |
| 1936 | + |
| 1937 | + sec->relax = (struct relax_table *) bfd_malloc ((sec->reloc_count + 1) |
| 1938 | + * sizeof (struct relax_table)); |
| 1939 | + if (sec->relax == NULL) |
| 1940 | + goto error_return; |
| 1941 | + sec->relax_count = 0; |
| 1942 | + |
| 1943 | + irelend = internal_relocs + sec->reloc_count; |
| 1944 | + rel_count = 0; |
| 1945 | + for (irel = internal_relocs; irel < irelend; irel++, rel_count++) |
| 1946 | + { |
| 1947 | + bfd_vma symval; |
| 1948 | + if ((ELF64_R_TYPE (irel->r_info) != (int) R_MICROBLAZE_64_PCREL) |
| 1949 | + && (ELF64_R_TYPE (irel->r_info) != (int) R_MICROBLAZE_64 )) |
| 1950 | + continue; /* Can't delete this reloc. */ |
| 1951 | + |
| 1952 | + /* Get the section contents. */ |
| 1953 | + if (contents == NULL) |
| 1954 | + { |
| 1955 | + if (elf_section_data (sec)->this_hdr.contents != NULL) |
| 1956 | + contents = elf_section_data (sec)->this_hdr.contents; |
| 1957 | + else |
| 1958 | + { |
| 1959 | + contents = (bfd_byte *) bfd_malloc (sec->size); |
| 1960 | + if (contents == NULL) |
| 1961 | + goto error_return; |
| 1962 | + free_contents = contents; |
| 1963 | + |
| 1964 | + if (!bfd_get_section_contents (abfd, sec, contents, |
| 1965 | + (file_ptr) 0, sec->size)) |
| 1966 | + goto error_return; |
| 1967 | + elf_section_data (sec)->this_hdr.contents = contents; |
| 1968 | + } |
| 1969 | + } |
| 1970 | + |
| 1971 | + /* Get the value of the symbol referred to by the reloc. */ |
| 1972 | + if (ELF64_R_SYM (irel->r_info) < symtab_hdr->sh_info) |
| 1973 | + { |
| 1974 | + /* A local symbol. */ |
| 1975 | + asection *sym_sec; |
| 1976 | + |
| 1977 | + isym = isymbuf + ELF64_R_SYM (irel->r_info); |
| 1978 | + if (isym->st_shndx == SHN_UNDEF) |
| 1979 | + sym_sec = bfd_und_section_ptr; |
| 1980 | + else if (isym->st_shndx == SHN_ABS) |
| 1981 | + sym_sec = bfd_abs_section_ptr; |
| 1982 | + else if (isym->st_shndx == SHN_COMMON) |
| 1983 | + sym_sec = bfd_com_section_ptr; |
| 1984 | + else |
| 1985 | + sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx); |
| 1986 | + |
| 1987 | + symval = _bfd_elf_rela_local_sym (abfd, isym, &sym_sec, irel); |
| 1988 | + } |
| 1989 | + else |
| 1990 | + { |
| 1991 | + unsigned long indx; |
| 1992 | + struct elf_link_hash_entry *h; |
| 1993 | + |
| 1994 | + indx = ELF64_R_SYM (irel->r_info) - symtab_hdr->sh_info; |
| 1995 | + h = elf_sym_hashes (abfd)[indx]; |
| 1996 | + BFD_ASSERT (h != NULL); |
| 1997 | + |
| 1998 | + if (h->root.type != bfd_link_hash_defined |
| 1999 | + && h->root.type != bfd_link_hash_defweak) |
| 2000 | + /* This appears to be a reference to an undefined |
| 2001 | + symbol. Just ignore it--it will be caught by the |
| 2002 | + regular reloc processing. */ |
| 2003 | + continue; |
| 2004 | + |
| 2005 | + symval = (h->root.u.def.value |
| 2006 | + + h->root.u.def.section->output_section->vma |
| 2007 | + + h->root.u.def.section->output_offset); |
| 2008 | + } |
| 2009 | + |
| 2010 | + /* If this is a PC-relative reloc, subtract the instr offset from |
| 2011 | + the symbol value. */ |
| 2012 | + if (ELF64_R_TYPE (irel->r_info) == (int) R_MICROBLAZE_64_PCREL) |
| 2013 | + { |
| 2014 | + symval = symval + irel->r_addend |
| 2015 | + - (irel->r_offset |
| 2016 | + + sec->output_section->vma |
| 2017 | + + sec->output_offset); |
| 2018 | + } |
| 2019 | + else |
| 2020 | + symval += irel->r_addend; |
| 2021 | + |
| 2022 | + if ((symval & 0xffff8000) == 0) |
| 2023 | + { |
| 2024 | + /* We can delete this instruction. */ |
| 2025 | + sec->relax[sec->relax_count].addr = irel->r_offset; |
| 2026 | + sec->relax[sec->relax_count].size = INST_WORD_SIZE; |
| 2027 | + sec->relax_count++; |
| 2028 | + |
| 2029 | + /* Rewrite relocation type. */ |
| 2030 | + switch ((enum elf_microblaze_reloc_type) ELF64_R_TYPE (irel->r_info)) |
| 2031 | + { |
| 2032 | + case R_MICROBLAZE_64_PCREL: |
| 2033 | + irel->r_info = ELF64_R_INFO (ELF64_R_SYM (irel->r_info), |
| 2034 | + (int) R_MICROBLAZE_32_PCREL_LO); |
| 2035 | + break; |
| 2036 | + case R_MICROBLAZE_64: |
| 2037 | + irel->r_info = ELF64_R_INFO (ELF64_R_SYM (irel->r_info), |
| 2038 | + (int) R_MICROBLAZE_32_LO); |
| 2039 | + break; |
| 2040 | + default: |
| 2041 | + /* Cannot happen. */ |
| 2042 | + BFD_ASSERT (FALSE); |
| 2043 | + } |
| 2044 | + } |
| 2045 | + } /* Loop through all relocations. */ |
| 2046 | + |
| 2047 | + /* Loop through the relocs again, and see if anything needs to change. */ |
| 2048 | + if (sec->relax_count > 0) |
| 2049 | + { |
| 2050 | + shndx = _bfd_elf_section_from_bfd_section (abfd, sec); |
| 2051 | + rel_count = 0; |
| 2052 | + sec->relax[sec->relax_count].addr = sec->size; |
| 2053 | + |
| 2054 | + for (irel = internal_relocs; irel < irelend; irel++, rel_count++) |
| 2055 | + { |
| 2056 | + bfd_vma nraddr; |
| 2057 | + |
| 2058 | + /* Get the new reloc address. */ |
| 2059 | + nraddr = irel->r_offset - calc_fixup (irel->r_offset, 0, sec); |
| 2060 | + switch ((enum elf_microblaze_reloc_type) ELF64_R_TYPE (irel->r_info)) |
| 2061 | + { |
| 2062 | + default: |
| 2063 | + break; |
| 2064 | + case R_MICROBLAZE_64_PCREL: |
| 2065 | + break; |
| 2066 | + case R_MICROBLAZE_64: |
| 2067 | + case R_MICROBLAZE_32_LO: |
| 2068 | + /* If this reloc is against a symbol defined in this |
| 2069 | + section, we must check the addend to see it will put the value in |
| 2070 | + range to be adjusted, and hence must be changed. */ |
| 2071 | + if (ELF64_R_SYM (irel->r_info) < symtab_hdr->sh_info) |
| 2072 | + { |
| 2073 | + isym = isymbuf + ELF64_R_SYM (irel->r_info); |
| 2074 | + /* Only handle relocs against .text. */ |
| 2075 | + if (isym->st_shndx == shndx |
| 2076 | + && ELF64_ST_TYPE (isym->st_info) == STT_SECTION) |
| 2077 | + irel->r_addend -= calc_fixup (irel->r_addend, 0, sec); |
| 2078 | + } |
| 2079 | + break; |
| 2080 | + case R_MICROBLAZE_NONE: |
| 2081 | + case R_MICROBLAZE_32_NONE: |
| 2082 | + { |
| 2083 | + /* This was a PC-relative instruction that was |
| 2084 | + completely resolved. */ |
| 2085 | + int sfix, efix; |
| 2086 | + unsigned int val; |
| 2087 | + bfd_vma target_address; |
| 2088 | + target_address = irel->r_addend + irel->r_offset; |
| 2089 | + sfix = calc_fixup (irel->r_offset, 0, sec); |
| 2090 | + efix = calc_fixup (target_address, 0, sec); |
| 2091 | + |
| 2092 | + /* Validate the in-band val. */ |
| 2093 | + val = bfd_get_32 (abfd, contents + irel->r_offset); |
| 2094 | + if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { |
| 2095 | + fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); |
| 2096 | + } |
| 2097 | + irel->r_addend -= (efix - sfix); |
| 2098 | + /* Should use HOWTO. */ |
| 2099 | + microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset, |
| 2100 | + irel->r_addend); |
| 2101 | + } |
| 2102 | + break; |
| 2103 | + case R_MICROBLAZE_64_NONE: |
| 2104 | + { |
| 2105 | + /* This was a PC-relative 64-bit instruction that was |
| 2106 | + completely resolved. */ |
| 2107 | + int sfix, efix; |
| 2108 | + bfd_vma target_address; |
| 2109 | + target_address = irel->r_addend + irel->r_offset + INST_WORD_SIZE; |
| 2110 | + sfix = calc_fixup (irel->r_offset + INST_WORD_SIZE, 0, sec); |
| 2111 | + efix = calc_fixup (target_address, 0, sec); |
| 2112 | + irel->r_addend -= (efix - sfix); |
| 2113 | + microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset |
| 2114 | + + INST_WORD_SIZE, irel->r_addend); |
| 2115 | + } |
| 2116 | + break; |
| 2117 | + } |
| 2118 | + irel->r_offset = nraddr; |
| 2119 | + } /* Change all relocs in this section. */ |
| 2120 | + |
| 2121 | + /* Look through all other sections. */ |
| 2122 | + for (o = abfd->sections; o != NULL; o = o->next) |
| 2123 | + { |
| 2124 | + Elf_Internal_Rela *irelocs; |
| 2125 | + Elf_Internal_Rela *irelscan, *irelscanend; |
| 2126 | + bfd_byte *ocontents; |
| 2127 | + |
| 2128 | + if (o == sec |
| 2129 | + || (o->flags & SEC_RELOC) == 0 |
| 2130 | + || o->reloc_count == 0) |
| 2131 | + continue; |
| 2132 | + |
| 2133 | + /* We always cache the relocs. Perhaps, if info->keep_memory is |
| 2134 | + FALSE, we should free them, if we are permitted to. */ |
| 2135 | + |
| 2136 | + irelocs = _bfd_elf_link_read_relocs (abfd, o, NULL, NULL, TRUE); |
| 2137 | + if (irelocs == NULL) |
| 2138 | + goto error_return; |
| 2139 | + |
| 2140 | + ocontents = NULL; |
| 2141 | + irelscanend = irelocs + o->reloc_count; |
| 2142 | + for (irelscan = irelocs; irelscan < irelscanend; irelscan++) |
| 2143 | + { |
| 2144 | + if (1 && ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_NONE) |
| 2145 | + { |
| 2146 | + unsigned int val; |
| 2147 | + |
| 2148 | + isym = isymbuf + ELF64_R_SYM (irelscan->r_info); |
| 2149 | + |
| 2150 | + /* hax: We only do the following fixup for debug location lists. */ |
| 2151 | + if (strcmp(".debug_loc", o->name)) |
| 2152 | + continue; |
| 2153 | + |
| 2154 | + /* This was a PC-relative instruction that was completely resolved. */ |
| 2155 | + if (ocontents == NULL) |
| 2156 | + { |
| 2157 | + if (elf_section_data (o)->this_hdr.contents != NULL) |
| 2158 | + ocontents = elf_section_data (o)->this_hdr.contents; |
| 2159 | + else |
| 2160 | + { |
| 2161 | + /* We always cache the section contents. |
| 2162 | + Perhaps, if info->keep_memory is FALSE, we |
| 2163 | + should free them, if we are permitted to. */ |
| 2164 | + |
| 2165 | + if (o->rawsize == 0) |
| 2166 | + o->rawsize = o->size; |
| 2167 | + ocontents = (bfd_byte *) bfd_malloc (o->rawsize); |
| 2168 | + if (ocontents == NULL) |
| 2169 | + goto error_return; |
| 2170 | + if (!bfd_get_section_contents (abfd, o, ocontents, |
| 2171 | + (file_ptr) 0, |
| 2172 | + o->rawsize)) |
| 2173 | + goto error_return; |
| 2174 | + elf_section_data (o)->this_hdr.contents = ocontents; |
| 2175 | + } |
| 2176 | + } |
| 2177 | + |
| 2178 | + val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); |
| 2179 | + if (val != irelscan->r_addend) { |
| 2180 | + fprintf(stderr, "%d: CORRUPT relax reloc! %x %lx\n", __LINE__, val, irelscan->r_addend); |
| 2181 | + } |
| 2182 | + irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec); |
| 2183 | + microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, |
| 2184 | + irelscan->r_addend); |
| 2185 | + } |
| 2186 | + if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32) |
| 2187 | + { |
| 2188 | + isym = isymbuf + ELF64_R_SYM (irelscan->r_info); |
| 2189 | + |
| 2190 | + /* Look at the reloc only if the value has been resolved. */ |
| 2191 | + if (isym->st_shndx == shndx |
| 2192 | + && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) |
| 2193 | + { |
| 2194 | + if (ocontents == NULL) |
| 2195 | + { |
| 2196 | + if (elf_section_data (o)->this_hdr.contents != NULL) |
| 2197 | + ocontents = elf_section_data (o)->this_hdr.contents; |
| 2198 | + else |
| 2199 | + { |
| 2200 | + /* We always cache the section contents. |
| 2201 | + Perhaps, if info->keep_memory is FALSE, we |
| 2202 | + should free them, if we are permitted to. */ |
| 2203 | + if (o->rawsize == 0) |
| 2204 | + o->rawsize = o->size; |
| 2205 | + ocontents = (bfd_byte *) bfd_malloc (o->rawsize); |
| 2206 | + if (ocontents == NULL) |
| 2207 | + goto error_return; |
| 2208 | + if (!bfd_get_section_contents (abfd, o, ocontents, |
| 2209 | + (file_ptr) 0, |
| 2210 | + o->rawsize)) |
| 2211 | + goto error_return; |
| 2212 | + elf_section_data (o)->this_hdr.contents = ocontents; |
| 2213 | + } |
| 2214 | + |
| 2215 | + } |
| 2216 | + irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec); |
| 2217 | + } |
| 2218 | + else if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_SYM_OP_SYM) |
| 2219 | + { |
| 2220 | + isym = isymbuf + ELF64_R_SYM (irelscan->r_info); |
| 2221 | + |
| 2222 | + /* Look at the reloc only if the value has been resolved. */ |
| 2223 | + if (ocontents == NULL) |
| 2224 | + { |
| 2225 | + if (elf_section_data (o)->this_hdr.contents != NULL) |
| 2226 | + ocontents = elf_section_data (o)->this_hdr.contents; |
| 2227 | + else |
| 2228 | + { |
| 2229 | + /* We always cache the section contents. |
| 2230 | + Perhaps, if info->keep_memory is FALSE, we |
| 2231 | + should free them, if we are permitted to. */ |
| 2232 | + |
| 2233 | + if (o->rawsize == 0) |
| 2234 | + o->rawsize = o->size; |
| 2235 | + ocontents = (bfd_byte *) bfd_malloc (o->rawsize); |
| 2236 | + if (ocontents == NULL) |
| 2237 | + goto error_return; |
| 2238 | + if (!bfd_get_section_contents (abfd, o, ocontents, |
| 2239 | + (file_ptr) 0, |
| 2240 | + o->rawsize)) |
| 2241 | + goto error_return; |
| 2242 | + elf_section_data (o)->this_hdr.contents = ocontents; |
| 2243 | + } |
| 2244 | + } |
| 2245 | + irelscan->r_addend -= calc_fixup (irelscan->r_addend |
| 2246 | + + isym->st_value, |
| 2247 | + 0, |
| 2248 | + sec); |
| 2249 | + } |
| 2250 | + } |
| 2251 | + else if ((ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_PCREL_LO) |
| 2252 | + || (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_LO)) |
| 2253 | + { |
| 2254 | + isym = isymbuf + ELF64_R_SYM (irelscan->r_info); |
| 2255 | + |
| 2256 | + /* Look at the reloc only if the value has been resolved. */ |
| 2257 | + if (isym->st_shndx == shndx |
| 2258 | + && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) |
| 2259 | + { |
| 2260 | + bfd_vma immediate; |
| 2261 | + bfd_vma target_address; |
| 2262 | + |
| 2263 | + if (ocontents == NULL) |
| 2264 | + { |
| 2265 | + if (elf_section_data (o)->this_hdr.contents != NULL) |
| 2266 | + ocontents = elf_section_data (o)->this_hdr.contents; |
| 2267 | + else |
| 2268 | + { |
| 2269 | + /* We always cache the section contents. |
| 2270 | + Perhaps, if info->keep_memory is FALSE, we |
| 2271 | + should free them, if we are permitted to. */ |
| 2272 | + if (o->rawsize == 0) |
| 2273 | + o->rawsize = o->size; |
| 2274 | + ocontents = (bfd_byte *) bfd_malloc (o->rawsize); |
| 2275 | + if (ocontents == NULL) |
| 2276 | + goto error_return; |
| 2277 | + if (!bfd_get_section_contents (abfd, o, ocontents, |
| 2278 | + (file_ptr) 0, |
| 2279 | + o->rawsize)) |
| 2280 | + goto error_return; |
| 2281 | + elf_section_data (o)->this_hdr.contents = ocontents; |
| 2282 | + } |
| 2283 | + } |
| 2284 | + |
| 2285 | + unsigned long instr = bfd_get_32 (abfd, ocontents + irelscan->r_offset); |
| 2286 | + immediate = instr & 0x0000ffff; |
| 2287 | + target_address = immediate; |
| 2288 | + offset = calc_fixup (target_address, 0, sec); |
| 2289 | + immediate -= offset; |
| 2290 | + irelscan->r_addend -= offset; |
| 2291 | + microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, |
| 2292 | + irelscan->r_addend); |
| 2293 | + } |
| 2294 | + } |
| 2295 | + |
| 2296 | + if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64) |
| 2297 | + { |
| 2298 | + isym = isymbuf + ELF64_R_SYM (irelscan->r_info); |
| 2299 | + |
| 2300 | + /* Look at the reloc only if the value has been resolved. */ |
| 2301 | + if (isym->st_shndx == shndx |
| 2302 | + && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) |
| 2303 | + { |
| 2304 | + bfd_vma immediate; |
| 2305 | + |
| 2306 | + if (ocontents == NULL) |
| 2307 | + { |
| 2308 | + if (elf_section_data (o)->this_hdr.contents != NULL) |
| 2309 | + ocontents = elf_section_data (o)->this_hdr.contents; |
| 2310 | + else |
| 2311 | + { |
| 2312 | + /* We always cache the section contents. |
| 2313 | + Perhaps, if info->keep_memory is FALSE, we |
| 2314 | + should free them, if we are permitted to. */ |
| 2315 | + |
| 2316 | + if (o->rawsize == 0) |
| 2317 | + o->rawsize = o->size; |
| 2318 | + ocontents = (bfd_byte *) bfd_malloc (o->rawsize); |
| 2319 | + if (ocontents == NULL) |
| 2320 | + goto error_return; |
| 2321 | + if (!bfd_get_section_contents (abfd, o, ocontents, |
| 2322 | + (file_ptr) 0, |
| 2323 | + o->rawsize)) |
| 2324 | + goto error_return; |
| 2325 | + elf_section_data (o)->this_hdr.contents = ocontents; |
| 2326 | + } |
| 2327 | + } |
| 2328 | + unsigned long instr_hi = bfd_get_32 (abfd, ocontents |
| 2329 | + + irelscan->r_offset); |
| 2330 | + unsigned long instr_lo = bfd_get_32 (abfd, ocontents |
| 2331 | + + irelscan->r_offset |
| 2332 | + + INST_WORD_SIZE); |
| 2333 | + immediate = (instr_hi & 0x0000ffff) << 16; |
| 2334 | + immediate |= (instr_lo & 0x0000ffff); |
| 2335 | + offset = calc_fixup (irelscan->r_addend, 0, sec); |
| 2336 | + immediate -= offset; |
| 2337 | + irelscan->r_addend -= offset; |
| 2338 | + } |
| 2339 | + } |
| 2340 | + else if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64_PCREL) |
| 2341 | + { |
| 2342 | + isym = isymbuf + ELF64_R_SYM (irelscan->r_info); |
| 2343 | + |
| 2344 | + /* Look at the reloc only if the value has been resolved. */ |
| 2345 | + if (isym->st_shndx == shndx |
| 2346 | + && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) |
| 2347 | + { |
| 2348 | + bfd_vma immediate; |
| 2349 | + bfd_vma target_address; |
| 2350 | + |
| 2351 | + if (ocontents == NULL) |
| 2352 | + { |
| 2353 | + if (elf_section_data (o)->this_hdr.contents != NULL) |
| 2354 | + ocontents = elf_section_data (o)->this_hdr.contents; |
| 2355 | + else |
| 2356 | + { |
| 2357 | + /* We always cache the section contents. |
| 2358 | + Perhaps, if info->keep_memory is FALSE, we |
| 2359 | + should free them, if we are permitted to. */ |
| 2360 | + if (o->rawsize == 0) |
| 2361 | + o->rawsize = o->size; |
| 2362 | + ocontents = (bfd_byte *) bfd_malloc (o->rawsize); |
| 2363 | + if (ocontents == NULL) |
| 2364 | + goto error_return; |
| 2365 | + if (!bfd_get_section_contents (abfd, o, ocontents, |
| 2366 | + (file_ptr) 0, |
| 2367 | + o->rawsize)) |
| 2368 | + goto error_return; |
| 2369 | + elf_section_data (o)->this_hdr.contents = ocontents; |
| 2370 | + } |
| 2371 | + } |
| 2372 | + unsigned long instr_hi = bfd_get_32 (abfd, ocontents |
| 2373 | + + irelscan->r_offset); |
| 2374 | + unsigned long instr_lo = bfd_get_32 (abfd, ocontents |
| 2375 | + + irelscan->r_offset |
| 2376 | + + INST_WORD_SIZE); |
| 2377 | + immediate = (instr_hi & 0x0000ffff) << 16; |
| 2378 | + immediate |= (instr_lo & 0x0000ffff); |
| 2379 | + target_address = immediate; |
| 2380 | + offset = calc_fixup (target_address, 0, sec); |
| 2381 | + immediate -= offset; |
| 2382 | + irelscan->r_addend -= offset; |
| 2383 | + microblaze_bfd_write_imm_value_64 (abfd, ocontents |
| 2384 | + + irelscan->r_offset, immediate); |
| 2385 | + } |
| 2386 | + } |
| 2387 | + } |
| 2388 | + } |
| 2389 | + |
| 2390 | + /* Adjust the local symbols defined in this section. */ |
| 2391 | + isymend = isymbuf + symtab_hdr->sh_info; |
| 2392 | + for (isym = isymbuf; isym < isymend; isym++) |
| 2393 | + { |
| 2394 | + if (isym->st_shndx == shndx) |
| 2395 | + { |
| 2396 | + isym->st_value -= calc_fixup (isym->st_value, 0, sec); |
| 2397 | + if (isym->st_size) |
| 2398 | + isym->st_size -= calc_fixup (isym->st_value, isym->st_size, sec); |
| 2399 | + } |
| 2400 | + } |
| 2401 | + |
| 2402 | + /* Now adjust the global symbols defined in this section. */ |
| 2403 | + isym = isymbuf + symtab_hdr->sh_info; |
| 2404 | + symcount = (symtab_hdr->sh_size / sizeof (Elf64_External_Sym)) - symtab_hdr->sh_info; |
| 2405 | + for (sym_index = 0; sym_index < symcount; sym_index++) |
| 2406 | + { |
| 2407 | + sym_hash = elf_sym_hashes (abfd)[sym_index]; |
| 2408 | + if ((sym_hash->root.type == bfd_link_hash_defined |
| 2409 | + || sym_hash->root.type == bfd_link_hash_defweak) |
| 2410 | + && sym_hash->root.u.def.section == sec) |
| 2411 | + { |
| 2412 | + sym_hash->root.u.def.value -= calc_fixup (sym_hash->root.u.def.value, |
| 2413 | + 0, sec); |
| 2414 | + if (sym_hash->size) |
| 2415 | + sym_hash->size -= calc_fixup (sym_hash->root.u.def.value, |
| 2416 | + sym_hash->size, sec); |
| 2417 | + } |
| 2418 | + } |
| 2419 | + |
| 2420 | + /* Physically move the code and change the cooked size. */ |
| 2421 | + dest = sec->relax[0].addr; |
| 2422 | + for (i = 0; i < sec->relax_count; i++) |
| 2423 | + { |
| 2424 | + int len; |
| 2425 | + src = sec->relax[i].addr + sec->relax[i].size; |
| 2426 | + len = sec->relax[i+1].addr - sec->relax[i].addr - sec->relax[i].size; |
| 2427 | + |
| 2428 | + memmove (contents + dest, contents + src, len); |
| 2429 | + sec->size -= sec->relax[i].size; |
| 2430 | + dest += len; |
| 2431 | + } |
| 2432 | + |
| 2433 | + elf_section_data (sec)->relocs = internal_relocs; |
| 2434 | + free_relocs = NULL; |
| 2435 | + |
| 2436 | + elf_section_data (sec)->this_hdr.contents = contents; |
| 2437 | + free_contents = NULL; |
| 2438 | + |
| 2439 | + symtab_hdr->contents = (bfd_byte *) isymbuf; |
| 2440 | + } |
| 2441 | + |
| 2442 | + if (free_relocs != NULL) |
| 2443 | + { |
| 2444 | + free (free_relocs); |
| 2445 | + free_relocs = NULL; |
| 2446 | + } |
| 2447 | + |
| 2448 | + if (free_contents != NULL) |
| 2449 | + { |
| 2450 | + if (!link_info->keep_memory) |
| 2451 | + free (free_contents); |
| 2452 | + else |
| 2453 | + /* Cache the section contents for elf_link_input_bfd. */ |
| 2454 | + elf_section_data (sec)->this_hdr.contents = contents; |
| 2455 | + free_contents = NULL; |
| 2456 | + } |
| 2457 | + |
| 2458 | + if (sec->relax_count == 0) |
| 2459 | + { |
| 2460 | + *again = FALSE; |
| 2461 | + free (sec->relax); |
| 2462 | + sec->relax = NULL; |
| 2463 | + } |
| 2464 | + else |
| 2465 | + *again = TRUE; |
| 2466 | + return TRUE; |
| 2467 | + |
| 2468 | + error_return: |
| 2469 | + if (free_relocs != NULL) |
| 2470 | + free (free_relocs); |
| 2471 | + if (free_contents != NULL) |
| 2472 | + free (free_contents); |
| 2473 | + if (sec->relax != NULL) |
| 2474 | + { |
| 2475 | + free (sec->relax); |
| 2476 | + sec->relax = NULL; |
| 2477 | + sec->relax_count = 0; |
| 2478 | + } |
| 2479 | + return FALSE; |
| 2480 | +} |
| 2481 | + |
| 2482 | +/* Return the section that should be marked against GC for a given |
| 2483 | + relocation. */ |
| 2484 | + |
| 2485 | +static asection * |
| 2486 | +microblaze_elf_gc_mark_hook (asection *sec, |
| 2487 | + struct bfd_link_info * info, |
| 2488 | + Elf_Internal_Rela * rel, |
| 2489 | + struct elf_link_hash_entry * h, |
| 2490 | + Elf_Internal_Sym * sym) |
| 2491 | +{ |
| 2492 | + if (h != NULL) |
| 2493 | + switch (ELF64_R_TYPE (rel->r_info)) |
| 2494 | + { |
| 2495 | + case R_MICROBLAZE_GNU_VTINHERIT: |
| 2496 | + case R_MICROBLAZE_GNU_VTENTRY: |
| 2497 | + return NULL; |
| 2498 | + } |
| 2499 | + |
| 2500 | + return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); |
| 2501 | +} |
| 2502 | + |
| 2503 | +/* Update the got entry reference counts for the section being removed. */ |
| 2504 | + |
| 2505 | +static bfd_boolean |
| 2506 | +microblaze_elf_gc_sweep_hook (bfd * abfd ATTRIBUTE_UNUSED, |
| 2507 | + struct bfd_link_info * info ATTRIBUTE_UNUSED, |
| 2508 | + asection * sec ATTRIBUTE_UNUSED, |
| 2509 | + const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED) |
| 2510 | +{ |
| 2511 | + return TRUE; |
| 2512 | +} |
| 2513 | + |
| 2514 | +/* PIC support. */ |
| 2515 | + |
| 2516 | +#define PLT_ENTRY_SIZE 16 |
| 2517 | + |
| 2518 | +#define PLT_ENTRY_WORD_0 0xb0000000 /* "imm 0". */ |
| 2519 | +#define PLT_ENTRY_WORD_1 0xe9940000 /* "lwi r12,r20,0" - relocated to lwi r12,r20,func@GOT. */ |
| 2520 | +#define PLT_ENTRY_WORD_1_NOPIC 0xe9800000 /* "lwi r12,r0,0" - non-PIC object. */ |
| 2521 | +#define PLT_ENTRY_WORD_2 0x98186000 /* "brad r12". */ |
| 2522 | +#define PLT_ENTRY_WORD_3 0x80000000 /* "nop". */ |
| 2523 | + |
| 2524 | +/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up |
| 2525 | + shortcuts to them in our hash table. */ |
| 2526 | + |
| 2527 | +static bfd_boolean |
| 2528 | +create_got_section (bfd *dynobj, struct bfd_link_info *info) |
| 2529 | +{ |
| 2530 | + struct elf64_mb_link_hash_table *htab; |
| 2531 | + |
| 2532 | + if (! _bfd_elf_create_got_section (dynobj, info)) |
| 2533 | + return FALSE; |
| 2534 | + htab = elf64_mb_hash_table (info); |
| 2535 | + if (htab == NULL) |
| 2536 | + return FALSE; |
| 2537 | + |
| 2538 | + htab->sgot = bfd_get_linker_section (dynobj, ".got"); |
| 2539 | + htab->sgotplt = bfd_get_linker_section (dynobj, ".got.plt"); |
| 2540 | + if (!htab->sgot || !htab->sgotplt) |
| 2541 | + return FALSE; |
| 2542 | + |
| 2543 | + if ((htab->srelgot = bfd_get_linker_section (dynobj, ".rela.got")) == NULL) |
| 2544 | + htab->srelgot = bfd_make_section_anyway (dynobj, ".rela.got"); |
| 2545 | + if (htab->srelgot == NULL |
| 2546 | + || ! bfd_set_section_flags (dynobj, htab->srelgot, SEC_ALLOC |
| 2547 | + | SEC_LOAD |
| 2548 | + | SEC_HAS_CONTENTS |
| 2549 | + | SEC_IN_MEMORY |
| 2550 | + | SEC_LINKER_CREATED |
| 2551 | + | SEC_READONLY) |
| 2552 | + || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2)) |
| 2553 | + return FALSE; |
| 2554 | + return TRUE; |
| 2555 | +} |
| 2556 | + |
| 2557 | +static bfd_boolean |
| 2558 | +update_local_sym_info (bfd *abfd, |
| 2559 | + Elf_Internal_Shdr *symtab_hdr, |
| 2560 | + unsigned long r_symndx, |
| 2561 | + unsigned int tls_type) |
| 2562 | +{ |
| 2563 | + bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd); |
| 2564 | + unsigned char *local_got_tls_masks; |
| 2565 | + |
| 2566 | + if (local_got_refcounts == NULL) |
| 2567 | + { |
| 2568 | + bfd_size_type size = symtab_hdr->sh_info; |
| 2569 | + |
| 2570 | + size *= (sizeof (*local_got_refcounts) + sizeof (*local_got_tls_masks)); |
| 2571 | + local_got_refcounts = bfd_zalloc (abfd, size); |
| 2572 | + if (local_got_refcounts == NULL) |
| 2573 | + return FALSE; |
| 2574 | + elf_local_got_refcounts (abfd) = local_got_refcounts; |
| 2575 | + } |
| 2576 | + |
| 2577 | + local_got_tls_masks = |
| 2578 | + (unsigned char *) (local_got_refcounts + symtab_hdr->sh_info); |
| 2579 | + local_got_tls_masks[r_symndx] |= tls_type; |
| 2580 | + local_got_refcounts[r_symndx] += 1; |
| 2581 | + |
| 2582 | + return TRUE; |
| 2583 | +} |
| 2584 | +/* Look through the relocs for a section during the first phase. */ |
| 2585 | + |
| 2586 | +static bfd_boolean |
| 2587 | +microblaze_elf_check_relocs (bfd * abfd, |
| 2588 | + struct bfd_link_info * info, |
| 2589 | + asection * sec, |
| 2590 | + const Elf_Internal_Rela * relocs) |
| 2591 | +{ |
| 2592 | + Elf_Internal_Shdr * symtab_hdr; |
| 2593 | + struct elf_link_hash_entry ** sym_hashes; |
| 2594 | + struct elf_link_hash_entry ** sym_hashes_end; |
| 2595 | + const Elf_Internal_Rela * rel; |
| 2596 | + const Elf_Internal_Rela * rel_end; |
| 2597 | + struct elf64_mb_link_hash_table *htab; |
| 2598 | + asection *sreloc = NULL; |
| 2599 | + |
| 2600 | + if (bfd_link_relocatable (info)) |
| 2601 | + return TRUE; |
| 2602 | + |
| 2603 | + htab = elf64_mb_hash_table (info); |
| 2604 | + if (htab == NULL) |
| 2605 | + return FALSE; |
| 2606 | + |
| 2607 | + symtab_hdr = & elf_tdata (abfd)->symtab_hdr; |
| 2608 | + sym_hashes = elf_sym_hashes (abfd); |
| 2609 | + sym_hashes_end = sym_hashes + symtab_hdr->sh_size / sizeof (Elf64_External_Sym); |
| 2610 | + if (!elf_bad_symtab (abfd)) |
| 2611 | + sym_hashes_end -= symtab_hdr->sh_info; |
| 2612 | + |
| 2613 | + rel_end = relocs + sec->reloc_count; |
| 2614 | + |
| 2615 | + for (rel = relocs; rel < rel_end; rel++) |
| 2616 | + { |
| 2617 | + unsigned int r_type; |
| 2618 | + struct elf_link_hash_entry * h; |
| 2619 | + unsigned long r_symndx; |
| 2620 | + unsigned char tls_type = 0; |
| 2621 | + |
| 2622 | + r_symndx = ELF64_R_SYM (rel->r_info); |
| 2623 | + r_type = ELF64_R_TYPE (rel->r_info); |
| 2624 | + |
| 2625 | + if (r_symndx < symtab_hdr->sh_info) |
| 2626 | + h = NULL; |
| 2627 | + else |
| 2628 | + { |
| 2629 | + h = sym_hashes [r_symndx - symtab_hdr->sh_info]; |
| 2630 | + |
| 2631 | + /* PR15323, ref flags aren't set for references in the same |
| 2632 | + object. */ |
| 2633 | + h->root.non_ir_ref = 1; |
| 2634 | + } |
| 2635 | + |
| 2636 | + switch (r_type) |
| 2637 | + { |
| 2638 | + /* This relocation describes the C++ object vtable hierarchy. |
| 2639 | + Reconstruct it for later use during GC. */ |
| 2640 | + case R_MICROBLAZE_GNU_VTINHERIT: |
| 2641 | + if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) |
| 2642 | + return FALSE; |
| 2643 | + break; |
| 2644 | + |
| 2645 | + /* This relocation describes which C++ vtable entries are actually |
| 2646 | + used. Record for later use during GC. */ |
| 2647 | + case R_MICROBLAZE_GNU_VTENTRY: |
| 2648 | + if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) |
| 2649 | + return FALSE; |
| 2650 | + break; |
| 2651 | + |
| 2652 | + /* This relocation requires .plt entry. */ |
| 2653 | + case R_MICROBLAZE_PLT_64: |
| 2654 | + if (h != NULL) |
| 2655 | + { |
| 2656 | + h->needs_plt = 1; |
| 2657 | + h->plt.refcount += 1; |
| 2658 | + } |
| 2659 | + break; |
| 2660 | + |
| 2661 | + /* This relocation requires .got entry. */ |
| 2662 | + case R_MICROBLAZE_TLSGD: |
| 2663 | + tls_type |= (TLS_TLS | TLS_GD); |
| 2664 | + goto dogottls; |
| 2665 | + case R_MICROBLAZE_TLSLD: |
| 2666 | + tls_type |= (TLS_TLS | TLS_LD); |
| 2667 | + dogottls: |
| 2668 | + sec->has_tls_reloc = 1; |
| 2669 | + case R_MICROBLAZE_GOT_64: |
| 2670 | + if (htab->sgot == NULL) |
| 2671 | + { |
| 2672 | + if (htab->elf.dynobj == NULL) |
| 2673 | + htab->elf.dynobj = abfd; |
| 2674 | + if (!create_got_section (htab->elf.dynobj, info)) |
| 2675 | + return FALSE; |
| 2676 | + } |
| 2677 | + if (h != NULL) |
| 2678 | + { |
| 2679 | + h->got.refcount += 1; |
| 2680 | + elf64_mb_hash_entry (h)->tls_mask |= tls_type; |
| 2681 | + } |
| 2682 | + else |
| 2683 | + { |
| 2684 | + if (! update_local_sym_info(abfd, symtab_hdr, r_symndx, tls_type) ) |
| 2685 | + return FALSE; |
| 2686 | + } |
| 2687 | + break; |
| 2688 | + |
| 2689 | + case R_MICROBLAZE_64: |
| 2690 | + case R_MICROBLAZE_64_PCREL: |
| 2691 | + case R_MICROBLAZE_32: |
| 2692 | + { |
| 2693 | + if (h != NULL && !bfd_link_pic (info)) |
| 2694 | + { |
| 2695 | + /* we may need a copy reloc. */ |
| 2696 | + h->non_got_ref = 1; |
| 2697 | + |
| 2698 | + /* we may also need a .plt entry. */ |
| 2699 | + h->plt.refcount += 1; |
| 2700 | + if (ELF64_R_TYPE (rel->r_info) != R_MICROBLAZE_64_PCREL) |
| 2701 | + h->pointer_equality_needed = 1; |
| 2702 | + } |
| 2703 | + |
| 2704 | + |
| 2705 | + /* If we are creating a shared library, and this is a reloc |
| 2706 | + against a global symbol, or a non PC relative reloc |
| 2707 | + against a local symbol, then we need to copy the reloc |
| 2708 | + into the shared library. However, if we are linking with |
| 2709 | + -Bsymbolic, we do not need to copy a reloc against a |
| 2710 | + global symbol which is defined in an object we are |
| 2711 | + including in the link (i.e., DEF_REGULAR is set). At |
| 2712 | + this point we have not seen all the input files, so it is |
| 2713 | + possible that DEF_REGULAR is not set now but will be set |
| 2714 | + later (it is never cleared). In case of a weak definition, |
| 2715 | + DEF_REGULAR may be cleared later by a strong definition in |
| 2716 | + a shared library. We account for that possibility below by |
| 2717 | + storing information in the relocs_copied field of the hash |
| 2718 | + table entry. A similar situation occurs when creating |
| 2719 | + shared libraries and symbol visibility changes render the |
| 2720 | + symbol local. |
| 2721 | + |
| 2722 | + If on the other hand, we are creating an executable, we |
| 2723 | + may need to keep relocations for symbols satisfied by a |
| 2724 | + dynamic library if we manage to avoid copy relocs for the |
| 2725 | + symbol. */ |
| 2726 | + |
| 2727 | + if ((bfd_link_pic (info) |
| 2728 | + && (sec->flags & SEC_ALLOC) != 0 |
| 2729 | + && (r_type != R_MICROBLAZE_64_PCREL |
| 2730 | + || (h != NULL |
| 2731 | + && (! info->symbolic |
| 2732 | + || h->root.type == bfd_link_hash_defweak |
| 2733 | + || !h->def_regular)))) |
| 2734 | + || (!bfd_link_pic (info) |
| 2735 | + && (sec->flags & SEC_ALLOC) != 0 |
| 2736 | + && h != NULL |
| 2737 | + && (h->root.type == bfd_link_hash_defweak |
| 2738 | + || !h->def_regular))) |
| 2739 | + { |
| 2740 | + struct elf64_mb_dyn_relocs *p; |
| 2741 | + struct elf64_mb_dyn_relocs **head; |
| 2742 | + |
| 2743 | + /* When creating a shared object, we must copy these |
| 2744 | + relocs into the output file. We create a reloc |
| 2745 | + section in dynobj and make room for the reloc. */ |
| 2746 | + |
| 2747 | + if (sreloc == NULL) |
| 2748 | + { |
| 2749 | + bfd *dynobj; |
| 2750 | + |
| 2751 | + if (htab->elf.dynobj == NULL) |
| 2752 | + htab->elf.dynobj = abfd; |
| 2753 | + dynobj = htab->elf.dynobj; |
| 2754 | + |
| 2755 | + sreloc = _bfd_elf_make_dynamic_reloc_section (sec, dynobj, |
| 2756 | + 2, abfd, 1); |
| 2757 | + if (sreloc == NULL) |
| 2758 | + return FALSE; |
| 2759 | + } |
| 2760 | + |
| 2761 | + /* If this is a global symbol, we count the number of |
| 2762 | + relocations we need for this symbol. */ |
| 2763 | + if (h != NULL) |
| 2764 | + head = &((struct elf64_mb_link_hash_entry *) h)->dyn_relocs; |
| 2765 | + else |
| 2766 | + { |
| 2767 | + /* Track dynamic relocs needed for local syms too. |
| 2768 | + We really need local syms available to do this |
| 2769 | + easily. Oh well. */ |
| 2770 | + |
| 2771 | + asection *s; |
| 2772 | + Elf_Internal_Sym *isym; |
| 2773 | + void *vpp; |
| 2774 | + |
| 2775 | + isym = bfd_sym_from_r_symndx (&htab->sym_sec, |
| 2776 | + abfd, r_symndx); |
| 2777 | + if (isym == NULL) |
| 2778 | + return FALSE; |
| 2779 | + |
| 2780 | + s = bfd_section_from_elf_index (abfd, isym->st_shndx); |
| 2781 | + if (s == NULL) |
| 2782 | + return FALSE; |
| 2783 | + |
| 2784 | + vpp = &elf_section_data (s)->local_dynrel; |
| 2785 | + head = (struct elf64_mb_dyn_relocs **) vpp; |
| 2786 | + } |
| 2787 | + |
| 2788 | + p = *head; |
| 2789 | + if (p == NULL || p->sec != sec) |
| 2790 | + { |
| 2791 | + bfd_size_type amt = sizeof *p; |
| 2792 | + p = ((struct elf64_mb_dyn_relocs *) |
| 2793 | + bfd_alloc (htab->elf.dynobj, amt)); |
| 2794 | + if (p == NULL) |
| 2795 | + return FALSE; |
| 2796 | + p->next = *head; |
| 2797 | + *head = p; |
| 2798 | + p->sec = sec; |
| 2799 | + p->count = 0; |
| 2800 | + p->pc_count = 0; |
| 2801 | + } |
| 2802 | + |
| 2803 | + p->count += 1; |
| 2804 | + if (r_type == R_MICROBLAZE_64_PCREL) |
| 2805 | + p->pc_count += 1; |
| 2806 | + } |
| 2807 | + } |
| 2808 | + break; |
| 2809 | + } |
| 2810 | + } |
| 2811 | + |
| 2812 | + return TRUE; |
| 2813 | +} |
| 2814 | + |
| 2815 | +static bfd_boolean |
| 2816 | +microblaze_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) |
| 2817 | +{ |
| 2818 | + struct elf64_mb_link_hash_table *htab; |
| 2819 | + |
| 2820 | + htab = elf64_mb_hash_table (info); |
| 2821 | + if (htab == NULL) |
| 2822 | + return FALSE; |
| 2823 | + |
| 2824 | + if (!htab->sgot && !create_got_section (dynobj, info)) |
| 2825 | + return FALSE; |
| 2826 | + |
| 2827 | + if (!_bfd_elf_create_dynamic_sections (dynobj, info)) |
| 2828 | + return FALSE; |
| 2829 | + |
| 2830 | + htab->splt = bfd_get_linker_section (dynobj, ".plt"); |
| 2831 | + htab->srelplt = bfd_get_linker_section (dynobj, ".rela.plt"); |
| 2832 | + htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss"); |
| 2833 | + if (!bfd_link_pic (info)) |
| 2834 | + htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss"); |
| 2835 | + |
| 2836 | + if (!htab->splt || !htab->srelplt || !htab->sdynbss |
| 2837 | + || (!bfd_link_pic (info) && !htab->srelbss)) |
| 2838 | + abort (); |
| 2839 | + |
| 2840 | + return TRUE; |
| 2841 | +} |
| 2842 | + |
| 2843 | +/* Copy the extra info we tack onto an elf_link_hash_entry. */ |
| 2844 | + |
| 2845 | +static void |
| 2846 | +microblaze_elf_copy_indirect_symbol (struct bfd_link_info *info, |
| 2847 | + struct elf_link_hash_entry *dir, |
| 2848 | + struct elf_link_hash_entry *ind) |
| 2849 | +{ |
| 2850 | + struct elf64_mb_link_hash_entry *edir, *eind; |
| 2851 | + |
| 2852 | + edir = (struct elf64_mb_link_hash_entry *) dir; |
| 2853 | + eind = (struct elf64_mb_link_hash_entry *) ind; |
| 2854 | + |
| 2855 | + if (eind->dyn_relocs != NULL) |
| 2856 | + { |
| 2857 | + if (edir->dyn_relocs != NULL) |
| 2858 | + { |
| 2859 | + struct elf64_mb_dyn_relocs **pp; |
| 2860 | + struct elf64_mb_dyn_relocs *p; |
| 2861 | + |
| 2862 | + if (ind->root.type == bfd_link_hash_indirect) |
| 2863 | + abort (); |
| 2864 | + |
| 2865 | + /* Add reloc counts against the weak sym to the strong sym |
| 2866 | + list. Merge any entries against the same section. */ |
| 2867 | + for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) |
| 2868 | + { |
| 2869 | + struct elf64_mb_dyn_relocs *q; |
| 2870 | + |
| 2871 | + for (q = edir->dyn_relocs; q != NULL; q = q->next) |
| 2872 | + if (q->sec == p->sec) |
| 2873 | + { |
| 2874 | + q->pc_count += p->pc_count; |
| 2875 | + q->count += p->count; |
| 2876 | + *pp = p->next; |
| 2877 | + break; |
| 2878 | + } |
| 2879 | + if (q == NULL) |
| 2880 | + pp = &p->next; |
| 2881 | + } |
| 2882 | + *pp = edir->dyn_relocs; |
| 2883 | + } |
| 2884 | + |
| 2885 | + edir->dyn_relocs = eind->dyn_relocs; |
| 2886 | + eind->dyn_relocs = NULL; |
| 2887 | + } |
| 2888 | + |
| 2889 | + edir->tls_mask |= eind->tls_mask; |
| 2890 | + |
| 2891 | + _bfd_elf_link_hash_copy_indirect (info, dir, ind); |
| 2892 | +} |
| 2893 | + |
| 2894 | +static bfd_boolean |
| 2895 | +microblaze_elf_adjust_dynamic_symbol (struct bfd_link_info *info, |
| 2896 | + struct elf_link_hash_entry *h) |
| 2897 | +{ |
| 2898 | + struct elf64_mb_link_hash_table *htab; |
| 2899 | + struct elf64_mb_link_hash_entry * eh; |
| 2900 | + struct elf64_mb_dyn_relocs *p; |
| 2901 | + asection *sdynbss, *s; |
| 2902 | + unsigned int power_of_two; |
| 2903 | + bfd *dynobj; |
| 2904 | + |
| 2905 | + htab = elf64_mb_hash_table (info); |
| 2906 | + if (htab == NULL) |
| 2907 | + return FALSE; |
| 2908 | + |
| 2909 | + /* If this is a function, put it in the procedure linkage table. We |
| 2910 | + will fill in the contents of the procedure linkage table later, |
| 2911 | + when we know the address of the .got section. */ |
| 2912 | + if (h->type == STT_FUNC |
| 2913 | + || h->needs_plt) |
| 2914 | + { |
| 2915 | + if (h->plt.refcount <= 0 |
| 2916 | + || SYMBOL_CALLS_LOCAL (info, h) |
| 2917 | + || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT |
| 2918 | + && h->root.type == bfd_link_hash_undefweak)) |
| 2919 | + { |
| 2920 | + /* This case can occur if we saw a PLT reloc in an input |
| 2921 | + file, but the symbol was never referred to by a dynamic |
| 2922 | + object, or if all references were garbage collected. In |
| 2923 | + such a case, we don't actually need to build a procedure |
| 2924 | + linkage table, and we can just do a PC32 reloc instead. */ |
| 2925 | + h->plt.offset = (bfd_vma) -1; |
| 2926 | + h->needs_plt = 0; |
| 2927 | + } |
| 2928 | + |
| 2929 | + return TRUE; |
| 2930 | + } |
| 2931 | + else |
| 2932 | + /* It's possible that we incorrectly decided a .plt reloc was |
| 2933 | + needed for an R_MICROBLAZE_64_PCREL reloc to a non-function sym in |
| 2934 | + check_relocs. We can't decide accurately between function and |
| 2935 | + non-function syms in check-relocs; Objects loaded later in |
| 2936 | + the link may change h->type. So fix it now. */ |
| 2937 | + h->plt.offset = (bfd_vma) -1; |
| 2938 | + |
| 2939 | + /* If this is a weak symbol, and there is a real definition, the |
| 2940 | + processor independent code will have arranged for us to see the |
| 2941 | + real definition first, and we can just use the same value. */ |
| 2942 | + if (h->u.weakdef != NULL) |
| 2943 | + { |
| 2944 | + BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined |
| 2945 | + || h->u.weakdef->root.type == bfd_link_hash_defweak); |
| 2946 | + h->root.u.def.section = h->u.weakdef->root.u.def.section; |
| 2947 | + h->root.u.def.value = h->u.weakdef->root.u.def.value; |
| 2948 | + return TRUE; |
| 2949 | + } |
| 2950 | + |
| 2951 | + /* This is a reference to a symbol defined by a dynamic object which |
| 2952 | + is not a function. */ |
| 2953 | + |
| 2954 | + /* If we are creating a shared library, we must presume that the |
| 2955 | + only references to the symbol are via the global offset table. |
| 2956 | + For such cases we need not do anything here; the relocations will |
| 2957 | + be handled correctly by relocate_section. */ |
| 2958 | + if (bfd_link_pic (info)) |
| 2959 | + return TRUE; |
| 2960 | + |
| 2961 | + /* If there are no references to this symbol that do not use the |
| 2962 | + GOT, we don't need to generate a copy reloc. */ |
| 2963 | + if (!h->non_got_ref) |
| 2964 | + return TRUE; |
| 2965 | + |
| 2966 | + /* If -z nocopyreloc was given, we won't generate them either. */ |
| 2967 | + if (info->nocopyreloc) |
| 2968 | + { |
| 2969 | + h->non_got_ref = 0; |
| 2970 | + return TRUE; |
| 2971 | + } |
| 2972 | + |
| 2973 | + eh = (struct elf64_mb_link_hash_entry *) h; |
| 2974 | + for (p = eh->dyn_relocs; p != NULL; p = p->next) |
| 2975 | + { |
| 2976 | + s = p->sec->output_section; |
| 2977 | + if (s != NULL && (s->flags & SEC_READONLY) != 0) |
| 2978 | + break; |
| 2979 | + } |
| 2980 | + |
| 2981 | + /* If we didn't find any dynamic relocs in read-only sections, then |
| 2982 | + we'll be keeping the dynamic relocs and avoiding the copy reloc. */ |
| 2983 | + if (p == NULL) |
| 2984 | + { |
| 2985 | + h->non_got_ref = 0; |
| 2986 | + return TRUE; |
| 2987 | + } |
| 2988 | + |
| 2989 | + /* We must allocate the symbol in our .dynbss section, which will |
| 2990 | + become part of the .bss section of the executable. There will be |
| 2991 | + an entry for this symbol in the .dynsym section. The dynamic |
| 2992 | + object will contain position independent code, so all references |
| 2993 | + from the dynamic object to this symbol will go through the global |
| 2994 | + offset table. The dynamic linker will use the .dynsym entry to |
| 2995 | + determine the address it must put in the global offset table, so |
| 2996 | + both the dynamic object and the regular object will refer to the |
| 2997 | + same memory location for the variable. */ |
| 2998 | + |
| 2999 | + /* We must generate a R_MICROBLAZE_COPY reloc to tell the dynamic linker |
| 3000 | + to copy the initial value out of the dynamic object and into the |
| 3001 | + runtime process image. */ |
| 3002 | + dynobj = elf_hash_table (info)->dynobj; |
| 3003 | + BFD_ASSERT (dynobj != NULL); |
| 3004 | + if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) |
| 3005 | + { |
| 3006 | + htab->srelbss->size += sizeof (Elf64_External_Rela); |
| 3007 | + h->needs_copy = 1; |
| 3008 | + } |
| 3009 | + |
| 3010 | + /* We need to figure out the alignment required for this symbol. I |
| 3011 | + have no idea how ELF linkers handle this. */ |
| 3012 | + power_of_two = bfd_log2 (h->size); |
| 3013 | + if (power_of_two > 3) |
| 3014 | + power_of_two = 3; |
| 3015 | + |
| 3016 | + sdynbss = htab->sdynbss; |
| 3017 | + /* Apply the required alignment. */ |
| 3018 | + sdynbss->size = BFD_ALIGN (sdynbss->size, (bfd_size_type) (1 << power_of_two)); |
| 3019 | + if (power_of_two > bfd_get_section_alignment (dynobj, sdynbss)) |
| 3020 | + { |
| 3021 | + if (! bfd_set_section_alignment (dynobj, sdynbss, power_of_two)) |
| 3022 | + return FALSE; |
| 3023 | + } |
| 3024 | + |
| 3025 | + /* Define the symbol as being at this point in the section. */ |
| 3026 | + h->root.u.def.section = sdynbss; |
| 3027 | + h->root.u.def.value = sdynbss->size; |
| 3028 | + |
| 3029 | + /* Increment the section size to make room for the symbol. */ |
| 3030 | + sdynbss->size += h->size; |
| 3031 | + return TRUE; |
| 3032 | +} |
| 3033 | + |
| 3034 | +/* Allocate space in .plt, .got and associated reloc sections for |
| 3035 | + dynamic relocs. */ |
| 3036 | + |
| 3037 | +static bfd_boolean |
| 3038 | +allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat) |
| 3039 | +{ |
| 3040 | + struct bfd_link_info *info; |
| 3041 | + struct elf64_mb_link_hash_table *htab; |
| 3042 | + struct elf64_mb_link_hash_entry *eh; |
| 3043 | + struct elf64_mb_dyn_relocs *p; |
| 3044 | + |
| 3045 | + if (h->root.type == bfd_link_hash_indirect) |
| 3046 | + return TRUE; |
| 3047 | + |
| 3048 | + info = (struct bfd_link_info *) dat; |
| 3049 | + htab = elf64_mb_hash_table (info); |
| 3050 | + if (htab == NULL) |
| 3051 | + return FALSE; |
| 3052 | + |
| 3053 | + if (htab->elf.dynamic_sections_created |
| 3054 | + && h->plt.refcount > 0) |
| 3055 | + { |
| 3056 | + /* Make sure this symbol is output as a dynamic symbol. |
| 3057 | + Undefined weak syms won't yet be marked as dynamic. */ |
| 3058 | + if (h->dynindx == -1 |
| 3059 | + && !h->forced_local) |
| 3060 | + { |
| 3061 | + if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
| 3062 | + return FALSE; |
| 3063 | + } |
| 3064 | + |
| 3065 | + if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)) |
| 3066 | + { |
| 3067 | + asection *s = htab->splt; |
| 3068 | + |
| 3069 | + /* The first entry in .plt is reserved. */ |
| 3070 | + if (s->size == 0) |
| 3071 | + s->size = PLT_ENTRY_SIZE; |
| 3072 | + |
| 3073 | + h->plt.offset = s->size; |
| 3074 | + |
| 3075 | + /* If this symbol is not defined in a regular file, and we are |
| 3076 | + not generating a shared library, then set the symbol to this |
| 3077 | + location in the .plt. This is required to make function |
| 3078 | + pointers compare as equal between the normal executable and |
| 3079 | + the shared library. */ |
| 3080 | + if (! bfd_link_pic (info) |
| 3081 | + && !h->def_regular) |
| 3082 | + { |
| 3083 | + h->root.u.def.section = s; |
| 3084 | + h->root.u.def.value = h->plt.offset; |
| 3085 | + } |
| 3086 | + |
| 3087 | + /* Make room for this entry. */ |
| 3088 | + s->size += PLT_ENTRY_SIZE; |
| 3089 | + |
| 3090 | + /* We also need to make an entry in the .got.plt section, which |
| 3091 | + will be placed in the .got section by the linker script. */ |
| 3092 | + htab->sgotplt->size += 4; |
| 3093 | + |
| 3094 | + /* We also need to make an entry in the .rel.plt section. */ |
| 3095 | + htab->srelplt->size += sizeof (Elf64_External_Rela); |
| 3096 | + } |
| 3097 | + else |
| 3098 | + { |
| 3099 | + h->plt.offset = (bfd_vma) -1; |
| 3100 | + h->needs_plt = 0; |
| 3101 | + } |
| 3102 | + } |
| 3103 | + else |
| 3104 | + { |
| 3105 | + h->plt.offset = (bfd_vma) -1; |
| 3106 | + h->needs_plt = 0; |
| 3107 | + } |
| 3108 | + |
| 3109 | + eh = (struct elf64_mb_link_hash_entry *) h; |
| 3110 | + if (h->got.refcount > 0) |
| 3111 | + { |
| 3112 | + unsigned int need; |
| 3113 | + asection *s; |
| 3114 | + |
| 3115 | + /* Make sure this symbol is output as a dynamic symbol. |
| 3116 | + Undefined weak syms won't yet be marked as dynamic. */ |
| 3117 | + if (h->dynindx == -1 |
| 3118 | + && !h->forced_local) |
| 3119 | + { |
| 3120 | + if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
| 3121 | + return FALSE; |
| 3122 | + } |
| 3123 | + |
| 3124 | + need = 0; |
| 3125 | + if ((eh->tls_mask & TLS_TLS) != 0) |
| 3126 | + { |
| 3127 | + /* Handle TLS Symbol */ |
| 3128 | + if ((eh->tls_mask & TLS_LD) != 0) |
| 3129 | + { |
| 3130 | + if (!eh->elf.def_dynamic) |
| 3131 | + /* We'll just use htab->tlsld_got.offset. This should |
| 3132 | + always be the case. It's a little odd if we have |
| 3133 | + a local dynamic reloc against a non-local symbol. */ |
| 3134 | + htab->tlsld_got.refcount += 1; |
| 3135 | + else |
| 3136 | + need += 8; |
| 3137 | + } |
| 3138 | + if ((eh->tls_mask & TLS_GD) != 0) |
| 3139 | + need += 8; |
| 3140 | + } |
| 3141 | + else |
| 3142 | + { |
| 3143 | + /* Regular (non-TLS) symbol */ |
| 3144 | + need += 4; |
| 3145 | + } |
| 3146 | + if (need == 0) |
| 3147 | + { |
| 3148 | + h->got.offset = (bfd_vma) -1; |
| 3149 | + } |
| 3150 | + else |
| 3151 | + { |
| 3152 | + s = htab->sgot; |
| 3153 | + h->got.offset = s->size; |
| 3154 | + s->size += need; |
| 3155 | + htab->srelgot->size += need * (sizeof (Elf64_External_Rela) / 4); |
| 3156 | + } |
| 3157 | + } |
| 3158 | + else |
| 3159 | + h->got.offset = (bfd_vma) -1; |
| 3160 | + |
| 3161 | + if (eh->dyn_relocs == NULL) |
| 3162 | + return TRUE; |
| 3163 | + |
| 3164 | + /* In the shared -Bsymbolic case, discard space allocated for |
| 3165 | + dynamic pc-relative relocs against symbols which turn out to be |
| 3166 | + defined in regular objects. For the normal shared case, discard |
| 3167 | + space for pc-relative relocs that have become local due to symbol |
| 3168 | + visibility changes. */ |
| 3169 | + |
| 3170 | + if (bfd_link_pic (info)) |
| 3171 | + { |
| 3172 | + if (h->def_regular |
| 3173 | + && (h->forced_local |
| 3174 | + || info->symbolic)) |
| 3175 | + { |
| 3176 | + struct elf64_mb_dyn_relocs **pp; |
| 3177 | + |
| 3178 | + for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) |
| 3179 | + { |
| 3180 | + p->count -= p->pc_count; |
| 3181 | + p->pc_count = 0; |
| 3182 | + if (p->count == 0) |
| 3183 | + *pp = p->next; |
| 3184 | + else |
| 3185 | + pp = &p->next; |
| 3186 | + } |
| 3187 | + } |
| 3188 | + } |
| 3189 | + else |
| 3190 | + { |
| 3191 | + /* For the non-shared case, discard space for relocs against |
| 3192 | + symbols which turn out to need copy relocs or are not |
| 3193 | + dynamic. */ |
| 3194 | + |
| 3195 | + if (!h->non_got_ref |
| 3196 | + && ((h->def_dynamic |
| 3197 | + && !h->def_regular) |
| 3198 | + || (htab->elf.dynamic_sections_created |
| 3199 | + && (h->root.type == bfd_link_hash_undefweak |
| 3200 | + || h->root.type == bfd_link_hash_undefined)))) |
| 3201 | + { |
| 3202 | + /* Make sure this symbol is output as a dynamic symbol. |
| 3203 | + Undefined weak syms won't yet be marked as dynamic. */ |
| 3204 | + if (h->dynindx == -1 |
| 3205 | + && !h->forced_local) |
| 3206 | + { |
| 3207 | + if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
| 3208 | + return FALSE; |
| 3209 | + } |
| 3210 | + |
| 3211 | + /* If that succeeded, we know we'll be keeping all the |
| 3212 | + relocs. */ |
| 3213 | + if (h->dynindx != -1) |
| 3214 | + goto keep; |
| 3215 | + } |
| 3216 | + |
| 3217 | + eh->dyn_relocs = NULL; |
| 3218 | + |
| 3219 | + keep: ; |
| 3220 | + } |
| 3221 | + |
| 3222 | + /* Finally, allocate space. */ |
| 3223 | + for (p = eh->dyn_relocs; p != NULL; p = p->next) |
| 3224 | + { |
| 3225 | + asection *sreloc = elf_section_data (p->sec)->sreloc; |
| 3226 | + sreloc->size += p->count * sizeof (Elf64_External_Rela); |
| 3227 | + } |
| 3228 | + |
| 3229 | + return TRUE; |
| 3230 | +} |
| 3231 | + |
| 3232 | +/* Set the sizes of the dynamic sections. */ |
| 3233 | + |
| 3234 | +static bfd_boolean |
| 3235 | +microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, |
| 3236 | + struct bfd_link_info *info) |
| 3237 | +{ |
| 3238 | + struct elf64_mb_link_hash_table *htab; |
| 3239 | + bfd *dynobj; |
| 3240 | + asection *s; |
| 3241 | + bfd *ibfd; |
| 3242 | + |
| 3243 | + htab = elf64_mb_hash_table (info); |
| 3244 | + if (htab == NULL) |
| 3245 | + return FALSE; |
| 3246 | + |
| 3247 | + dynobj = htab->elf.dynobj; |
| 3248 | + BFD_ASSERT (dynobj != NULL); |
| 3249 | + |
| 3250 | + /* Set up .got offsets for local syms, and space for local dynamic |
| 3251 | + relocs. */ |
| 3252 | + for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) |
| 3253 | + { |
| 3254 | + bfd_signed_vma *local_got; |
| 3255 | + bfd_signed_vma *end_local_got; |
| 3256 | + bfd_size_type locsymcount; |
| 3257 | + Elf_Internal_Shdr *symtab_hdr; |
| 3258 | + unsigned char *lgot_masks; |
| 3259 | + asection *srel; |
| 3260 | + |
| 3261 | + if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) |
| 3262 | + continue; |
| 3263 | + |
| 3264 | + for (s = ibfd->sections; s != NULL; s = s->next) |
| 3265 | + { |
| 3266 | + struct elf64_mb_dyn_relocs *p; |
| 3267 | + |
| 3268 | + for (p = ((struct elf64_mb_dyn_relocs *) |
| 3269 | + elf_section_data (s)->local_dynrel); |
| 3270 | + p != NULL; |
| 3271 | + p = p->next) |
| 3272 | + { |
| 3273 | + if (!bfd_is_abs_section (p->sec) |
| 3274 | + && bfd_is_abs_section (p->sec->output_section)) |
| 3275 | + { |
| 3276 | + /* Input section has been discarded, either because |
| 3277 | + it is a copy of a linkonce section or due to |
| 3278 | + linker script /DISCARD/, so we'll be discarding |
| 3279 | + the relocs too. */ |
| 3280 | + } |
| 3281 | + else if (p->count != 0) |
| 3282 | + { |
| 3283 | + srel = elf_section_data (p->sec)->sreloc; |
| 3284 | + srel->size += p->count * sizeof (Elf64_External_Rela); |
| 3285 | + if ((p->sec->output_section->flags & SEC_READONLY) != 0) |
| 3286 | + info->flags |= DF_TEXTREL; |
| 3287 | + } |
| 3288 | + } |
| 3289 | + } |
| 3290 | + |
| 3291 | + local_got = elf_local_got_refcounts (ibfd); |
| 3292 | + if (!local_got) |
| 3293 | + continue; |
| 3294 | + |
| 3295 | + symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; |
| 3296 | + locsymcount = symtab_hdr->sh_info; |
| 3297 | + end_local_got = local_got + locsymcount; |
| 3298 | + lgot_masks = (unsigned char *) end_local_got; |
| 3299 | + s = htab->sgot; |
| 3300 | + srel = htab->srelgot; |
| 3301 | + |
| 3302 | + for (; local_got < end_local_got; ++local_got, ++lgot_masks) |
| 3303 | + { |
| 3304 | + if (*local_got > 0) |
| 3305 | + { |
| 3306 | + unsigned int need = 0; |
| 3307 | + if ((*lgot_masks & TLS_TLS) != 0) |
| 3308 | + { |
| 3309 | + if ((*lgot_masks & TLS_GD) != 0) |
| 3310 | + need += 8; |
| 3311 | + if ((*lgot_masks & TLS_LD) != 0) |
| 3312 | + htab->tlsld_got.refcount += 1; |
| 3313 | + } |
| 3314 | + else |
| 3315 | + need += 4; |
| 3316 | + |
| 3317 | + if (need == 0) |
| 3318 | + { |
| 3319 | + *local_got = (bfd_vma) -1; |
| 3320 | + } |
| 3321 | + else |
| 3322 | + { |
| 3323 | + *local_got = s->size; |
| 3324 | + s->size += need; |
| 3325 | + if (bfd_link_pic (info)) |
| 3326 | + srel->size += need * (sizeof (Elf64_External_Rela) / 4); |
| 3327 | + } |
| 3328 | + } |
| 3329 | + else |
| 3330 | + *local_got = (bfd_vma) -1; |
| 3331 | + } |
| 3332 | + } |
| 3333 | + |
| 3334 | + /* Allocate global sym .plt and .got entries, and space for global |
| 3335 | + sym dynamic relocs. */ |
| 3336 | + elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info); |
| 3337 | + |
| 3338 | + if (htab->tlsld_got.refcount > 0) |
| 3339 | + { |
| 3340 | + htab->tlsld_got.offset = htab->sgot->size; |
| 3341 | + htab->sgot->size += 8; |
| 3342 | + if (bfd_link_pic (info)) |
| 3343 | + htab->srelgot->size += sizeof (Elf64_External_Rela); |
| 3344 | + } |
| 3345 | + else |
| 3346 | + htab->tlsld_got.offset = (bfd_vma) -1; |
| 3347 | + |
| 3348 | + if (elf_hash_table (info)->dynamic_sections_created) |
| 3349 | + { |
| 3350 | + /* Make space for the trailing nop in .plt. */ |
| 3351 | + if (htab->splt->size > 0) |
| 3352 | + htab->splt->size += 4; |
| 3353 | + } |
| 3354 | + |
| 3355 | + /* The check_relocs and adjust_dynamic_symbol entry points have |
| 3356 | + determined the sizes of the various dynamic sections. Allocate |
| 3357 | + memory for them. */ |
| 3358 | + for (s = dynobj->sections; s != NULL; s = s->next) |
| 3359 | + { |
| 3360 | + const char *name; |
| 3361 | + bfd_boolean strip = FALSE; |
| 3362 | + |
| 3363 | + if ((s->flags & SEC_LINKER_CREATED) == 0) |
| 3364 | + continue; |
| 3365 | + |
| 3366 | + /* It's OK to base decisions on the section name, because none |
| 3367 | + of the dynobj section names depend upon the input files. */ |
| 3368 | + name = bfd_get_section_name (dynobj, s); |
| 3369 | + |
| 3370 | + if (strncmp (name, ".rela", 5) == 0) |
| 3371 | + { |
| 3372 | + if (s->size == 0) |
| 3373 | + { |
| 3374 | + /* If we don't need this section, strip it from the |
| 3375 | + output file. This is to handle .rela.bss and |
| 3376 | + .rela.plt. We must create it in |
| 3377 | + create_dynamic_sections, because it must be created |
| 3378 | + before the linker maps input sections to output |
| 3379 | + sections. The linker does that before |
| 3380 | + adjust_dynamic_symbol is called, and it is that |
| 3381 | + function which decides whether anything needs to go |
| 3382 | + into these sections. */ |
| 3383 | + strip = TRUE; |
| 3384 | + } |
| 3385 | + else |
| 3386 | + { |
| 3387 | + /* We use the reloc_count field as a counter if we need |
| 3388 | + to copy relocs into the output file. */ |
| 3389 | + s->reloc_count = 0; |
| 3390 | + } |
| 3391 | + } |
| 3392 | + else if (s != htab->splt && s != htab->sgot && s != htab->sgotplt) |
| 3393 | + { |
| 3394 | + /* It's not one of our sections, so don't allocate space. */ |
| 3395 | + continue; |
| 3396 | + } |
| 3397 | + |
| 3398 | + if (strip) |
| 3399 | + { |
| 3400 | + s->flags |= SEC_EXCLUDE; |
| 3401 | + continue; |
| 3402 | + } |
| 3403 | + |
| 3404 | + /* Allocate memory for the section contents. */ |
| 3405 | + /* FIXME: This should be a call to bfd_alloc not bfd_zalloc. |
| 3406 | + Unused entries should be reclaimed before the section's contents |
| 3407 | + are written out, but at the moment this does not happen. Thus in |
| 3408 | + order to prevent writing out garbage, we initialise the section's |
| 3409 | + contents to zero. */ |
| 3410 | + s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); |
| 3411 | + if (s->contents == NULL && s->size != 0) |
| 3412 | + return FALSE; |
| 3413 | + } |
| 3414 | + |
| 3415 | + if (elf_hash_table (info)->dynamic_sections_created) |
| 3416 | + { |
| 3417 | + /* Add some entries to the .dynamic section. We fill in the |
| 3418 | + values later, in microblaze_elf_finish_dynamic_sections, but we |
| 3419 | + must add the entries now so that we get the correct size for |
| 3420 | + the .dynamic section. The DT_DEBUG entry is filled in by the |
| 3421 | + dynamic linker and used by the debugger. */ |
| 3422 | +#define add_dynamic_entry(TAG, VAL) \ |
| 3423 | + _bfd_elf_add_dynamic_entry (info, TAG, VAL) |
| 3424 | + |
| 3425 | + if (bfd_link_executable (info)) |
| 3426 | + { |
| 3427 | + if (!add_dynamic_entry (DT_DEBUG, 0)) |
| 3428 | + return FALSE; |
| 3429 | + } |
| 3430 | + |
| 3431 | + if (!add_dynamic_entry (DT_RELA, 0) |
| 3432 | + || !add_dynamic_entry (DT_RELASZ, 0) |
| 3433 | + || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela))) |
| 3434 | + return FALSE; |
| 3435 | + |
| 3436 | + if (htab->splt->size != 0) |
| 3437 | + { |
| 3438 | + if (!add_dynamic_entry (DT_PLTGOT, 0) |
| 3439 | + || !add_dynamic_entry (DT_PLTRELSZ, 0) |
| 3440 | + || !add_dynamic_entry (DT_PLTREL, DT_RELA) |
| 3441 | + || !add_dynamic_entry (DT_JMPREL, 0) |
| 3442 | + || !add_dynamic_entry (DT_BIND_NOW, 1)) |
| 3443 | + return FALSE; |
| 3444 | + } |
| 3445 | + |
| 3446 | + if (info->flags & DF_TEXTREL) |
| 3447 | + { |
| 3448 | + if (!add_dynamic_entry (DT_TEXTREL, 0)) |
| 3449 | + return FALSE; |
| 3450 | + } |
| 3451 | + } |
| 3452 | +#undef add_dynamic_entry |
| 3453 | + return TRUE; |
| 3454 | +} |
| 3455 | + |
| 3456 | +/* Finish up dynamic symbol handling. We set the contents of various |
| 3457 | + dynamic sections here. */ |
| 3458 | + |
| 3459 | +static bfd_boolean |
| 3460 | +microblaze_elf_finish_dynamic_symbol (bfd *output_bfd, |
| 3461 | + struct bfd_link_info *info, |
| 3462 | + struct elf_link_hash_entry *h, |
| 3463 | + Elf_Internal_Sym *sym) |
| 3464 | +{ |
| 3465 | + struct elf64_mb_link_hash_table *htab; |
| 3466 | + struct elf64_mb_link_hash_entry *eh = elf64_mb_hash_entry(h); |
| 3467 | + |
| 3468 | + htab = elf64_mb_hash_table (info); |
| 3469 | + if (htab == NULL) |
| 3470 | + return FALSE; |
| 3471 | + |
| 3472 | + if (h->plt.offset != (bfd_vma) -1) |
| 3473 | + { |
| 3474 | + asection *splt; |
| 3475 | + asection *srela; |
| 3476 | + asection *sgotplt; |
| 3477 | + Elf_Internal_Rela rela; |
| 3478 | + bfd_byte *loc; |
| 3479 | + bfd_vma plt_index; |
| 3480 | + bfd_vma got_offset; |
| 3481 | + bfd_vma got_addr; |
| 3482 | + |
| 3483 | + /* This symbol has an entry in the procedure linkage table. Set |
| 3484 | + it up. */ |
| 3485 | + BFD_ASSERT (h->dynindx != -1); |
| 3486 | + |
| 3487 | + splt = htab->splt; |
| 3488 | + srela = htab->srelplt; |
| 3489 | + sgotplt = htab->sgotplt; |
| 3490 | + BFD_ASSERT (splt != NULL && srela != NULL && sgotplt != NULL); |
| 3491 | + |
| 3492 | + plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; /* first entry reserved. */ |
| 3493 | + got_offset = (plt_index + 3) * 4; /* 3 reserved ??? */ |
| 3494 | + got_addr = got_offset; |
| 3495 | + |
| 3496 | + /* For non-PIC objects we need absolute address of the GOT entry. */ |
| 3497 | + if (!bfd_link_pic (info)) |
| 3498 | + got_addr += htab->sgotplt->output_section->vma + sgotplt->output_offset; |
| 3499 | + |
| 3500 | + /* Fill in the entry in the procedure linkage table. */ |
| 3501 | + bfd_put_32 (output_bfd, PLT_ENTRY_WORD_0 + ((got_addr >> 16) & 0xffff), |
| 3502 | + splt->contents + h->plt.offset); |
| 3503 | + if (bfd_link_pic (info)) |
| 3504 | + bfd_put_32 (output_bfd, PLT_ENTRY_WORD_1 + (got_addr & 0xffff), |
| 3505 | + splt->contents + h->plt.offset + 4); |
| 3506 | + else |
| 3507 | + bfd_put_32 (output_bfd, PLT_ENTRY_WORD_1_NOPIC + (got_addr & 0xffff), |
| 3508 | + splt->contents + h->plt.offset + 4); |
| 3509 | + bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD_2, |
| 3510 | + splt->contents + h->plt.offset + 8); |
| 3511 | + bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD_3, |
| 3512 | + splt->contents + h->plt.offset + 12); |
| 3513 | + |
| 3514 | + /* Any additions to the .got section??? */ |
| 3515 | + /* bfd_put_32 (output_bfd, |
| 3516 | + splt->output_section->vma + splt->output_offset + h->plt.offset + 4, |
| 3517 | + sgotplt->contents + got_offset); */ |
| 3518 | + |
| 3519 | + /* Fill in the entry in the .rela.plt section. */ |
| 3520 | + rela.r_offset = (sgotplt->output_section->vma |
| 3521 | + + sgotplt->output_offset |
| 3522 | + + got_offset); |
| 3523 | + rela.r_info = ELF64_R_INFO (h->dynindx, R_MICROBLAZE_JUMP_SLOT); |
| 3524 | + rela.r_addend = 0; |
| 3525 | + loc = srela->contents; |
| 3526 | + loc += plt_index * sizeof (Elf64_External_Rela); |
| 3527 | + bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); |
| 3528 | + |
| 3529 | + if (!h->def_regular) |
| 3530 | + { |
| 3531 | + /* Mark the symbol as undefined, rather than as defined in |
| 3532 | + the .plt section. Zero the value. */ |
| 3533 | + sym->st_shndx = SHN_UNDEF; |
| 3534 | + sym->st_value = 0; |
| 3535 | + } |
| 3536 | + } |
| 3537 | + |
| 3538 | + /* h->got.refcount to be checked ? */ |
| 3539 | + if (h->got.offset != (bfd_vma) -1 && |
| 3540 | + ! ((h->got.offset & 1) || |
| 3541 | + IS_TLS_LD(eh->tls_mask) || IS_TLS_GD(eh->tls_mask))) |
| 3542 | + { |
| 3543 | + asection *sgot; |
| 3544 | + asection *srela; |
| 3545 | + bfd_vma offset; |
| 3546 | + |
| 3547 | + /* This symbol has an entry in the global offset table. Set it |
| 3548 | + up. */ |
| 3549 | + |
| 3550 | + sgot = htab->sgot; |
| 3551 | + srela = htab->srelgot; |
| 3552 | + BFD_ASSERT (sgot != NULL && srela != NULL); |
| 3553 | + |
| 3554 | + offset = (sgot->output_section->vma + sgot->output_offset |
| 3555 | + + (h->got.offset &~ (bfd_vma) 1)); |
| 3556 | + |
| 3557 | + /* If this is a -Bsymbolic link, and the symbol is defined |
| 3558 | + locally, we just want to emit a RELATIVE reloc. Likewise if |
| 3559 | + the symbol was forced to be local because of a version file. |
| 3560 | + The entry in the global offset table will already have been |
| 3561 | + initialized in the relocate_section function. */ |
| 3562 | + if (bfd_link_pic (info) |
| 3563 | + && ((info->symbolic && h->def_regular) |
| 3564 | + || h->dynindx == -1)) |
| 3565 | + { |
| 3566 | + asection *sec = h->root.u.def.section; |
| 3567 | + microblaze_elf_output_dynamic_relocation (output_bfd, |
| 3568 | + srela, srela->reloc_count++, |
| 3569 | + /* symindex= */ 0, |
| 3570 | + R_MICROBLAZE_REL, offset, |
| 3571 | + h->root.u.def.value |
| 3572 | + + sec->output_section->vma |
| 3573 | + + sec->output_offset); |
| 3574 | + } |
| 3575 | + else |
| 3576 | + { |
| 3577 | + microblaze_elf_output_dynamic_relocation (output_bfd, |
| 3578 | + srela, srela->reloc_count++, |
| 3579 | + h->dynindx, |
| 3580 | + R_MICROBLAZE_GLOB_DAT, |
| 3581 | + offset, 0); |
| 3582 | + } |
| 3583 | + |
| 3584 | + bfd_put_32 (output_bfd, (bfd_vma) 0, |
| 3585 | + sgot->contents + (h->got.offset &~ (bfd_vma) 1)); |
| 3586 | + } |
| 3587 | + |
| 3588 | + if (h->needs_copy) |
| 3589 | + { |
| 3590 | + asection *s; |
| 3591 | + Elf_Internal_Rela rela; |
| 3592 | + bfd_byte *loc; |
| 3593 | + |
| 3594 | + /* This symbols needs a copy reloc. Set it up. */ |
| 3595 | + |
| 3596 | + BFD_ASSERT (h->dynindx != -1); |
| 3597 | + |
| 3598 | + s = bfd_get_linker_section (htab->elf.dynobj, ".rela.bss"); |
| 3599 | + BFD_ASSERT (s != NULL); |
| 3600 | + |
| 3601 | + rela.r_offset = (h->root.u.def.value |
| 3602 | + + h->root.u.def.section->output_section->vma |
| 3603 | + + h->root.u.def.section->output_offset); |
| 3604 | + rela.r_info = ELF64_R_INFO (h->dynindx, R_MICROBLAZE_COPY); |
| 3605 | + rela.r_addend = 0; |
| 3606 | + loc = s->contents + s->reloc_count++ * sizeof (Elf64_External_Rela); |
| 3607 | + bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); |
| 3608 | + } |
| 3609 | + |
| 3610 | + /* Mark some specially defined symbols as absolute. */ |
| 3611 | + if (h == htab->elf.hdynamic |
| 3612 | + || h == htab->elf.hgot |
| 3613 | + || h == htab->elf.hplt) |
| 3614 | + sym->st_shndx = SHN_ABS; |
| 3615 | + |
| 3616 | + return TRUE; |
| 3617 | +} |
| 3618 | + |
| 3619 | + |
| 3620 | +/* Finish up the dynamic sections. */ |
| 3621 | + |
| 3622 | +static bfd_boolean |
| 3623 | +microblaze_elf_finish_dynamic_sections (bfd *output_bfd, |
| 3624 | + struct bfd_link_info *info) |
| 3625 | +{ |
| 3626 | + bfd *dynobj; |
| 3627 | + asection *sdyn, *sgot; |
| 3628 | + struct elf64_mb_link_hash_table *htab; |
| 3629 | + |
| 3630 | + htab = elf64_mb_hash_table (info); |
| 3631 | + if (htab == NULL) |
| 3632 | + return FALSE; |
| 3633 | + |
| 3634 | + dynobj = htab->elf.dynobj; |
| 3635 | + |
| 3636 | + sdyn = bfd_get_linker_section (dynobj, ".dynamic"); |
| 3637 | + |
| 3638 | + if (htab->elf.dynamic_sections_created) |
| 3639 | + { |
| 3640 | + asection *splt; |
| 3641 | + Elf64_External_Dyn *dyncon, *dynconend; |
| 3642 | + |
| 3643 | + splt = bfd_get_linker_section (dynobj, ".plt"); |
| 3644 | + BFD_ASSERT (splt != NULL && sdyn != NULL); |
| 3645 | + |
| 3646 | + dyncon = (Elf64_External_Dyn *) sdyn->contents; |
| 3647 | + dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); |
| 3648 | + for (; dyncon < dynconend; dyncon++) |
| 3649 | + { |
| 3650 | + Elf_Internal_Dyn dyn; |
| 3651 | + const char *name; |
| 3652 | + bfd_boolean size; |
| 3653 | + |
| 3654 | + bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); |
| 3655 | + |
| 3656 | + switch (dyn.d_tag) |
| 3657 | + { |
| 3658 | + case DT_PLTGOT: name = ".got.plt"; size = FALSE; break; |
| 3659 | + case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break; |
| 3660 | + case DT_JMPREL: name = ".rela.plt"; size = FALSE; break; |
| 3661 | + case DT_RELA: name = ".rela.dyn"; size = FALSE; break; |
| 3662 | + case DT_RELASZ: name = ".rela.dyn"; size = TRUE; break; |
| 3663 | + default: name = NULL; size = FALSE; break; |
| 3664 | + } |
| 3665 | + |
| 3666 | + if (name != NULL) |
| 3667 | + { |
| 3668 | + asection *s; |
| 3669 | + |
| 3670 | + s = bfd_get_section_by_name (output_bfd, name); |
| 3671 | + if (s == NULL) |
| 3672 | + dyn.d_un.d_val = 0; |
| 3673 | + else |
| 3674 | + { |
| 3675 | + if (! size) |
| 3676 | + dyn.d_un.d_ptr = s->vma; |
| 3677 | + else |
| 3678 | + dyn.d_un.d_val = s->size; |
| 3679 | + } |
| 3680 | + bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); |
| 3681 | + } |
| 3682 | + } |
| 3683 | + |
| 3684 | + /* Clear the first entry in the procedure linkage table, |
| 3685 | + and put a nop in the last four bytes. */ |
| 3686 | + if (splt->size > 0) |
| 3687 | + { |
| 3688 | + memset (splt->contents, 0, PLT_ENTRY_SIZE); |
| 3689 | + bfd_put_32 (output_bfd, (bfd_vma) 0x80000000 /* nop. */, |
| 3690 | + splt->contents + splt->size - 4); |
| 3691 | + } |
| 3692 | + |
| 3693 | + elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4; |
| 3694 | + } |
| 3695 | + |
| 3696 | + /* Set the first entry in the global offset table to the address of |
| 3697 | + the dynamic section. */ |
| 3698 | + sgot = bfd_get_linker_section (dynobj, ".got.plt"); |
| 3699 | + if (sgot && sgot->size > 0) |
| 3700 | + { |
| 3701 | + if (sdyn == NULL) |
| 3702 | + bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); |
| 3703 | + else |
| 3704 | + bfd_put_32 (output_bfd, |
| 3705 | + sdyn->output_section->vma + sdyn->output_offset, |
| 3706 | + sgot->contents); |
| 3707 | + elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; |
| 3708 | + } |
| 3709 | + |
| 3710 | + if (htab->sgot && htab->sgot->size > 0) |
| 3711 | + elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 4; |
| 3712 | + |
| 3713 | + return TRUE; |
| 3714 | +} |
| 3715 | + |
| 3716 | +/* Hook called by the linker routine which adds symbols from an object |
| 3717 | + file. We use it to put .comm items in .sbss, and not .bss. */ |
| 3718 | + |
| 3719 | +static bfd_boolean |
| 3720 | +microblaze_elf_add_symbol_hook (bfd *abfd, |
| 3721 | + struct bfd_link_info *info, |
| 3722 | + Elf_Internal_Sym *sym, |
| 3723 | + const char **namep ATTRIBUTE_UNUSED, |
| 3724 | + flagword *flagsp ATTRIBUTE_UNUSED, |
| 3725 | + asection **secp, |
| 3726 | + bfd_vma *valp) |
| 3727 | +{ |
| 3728 | + if (sym->st_shndx == SHN_COMMON |
| 3729 | + && !bfd_link_relocatable (info) |
| 3730 | + && sym->st_size <= elf_gp_size (abfd)) |
| 3731 | + { |
| 3732 | + /* Common symbols less than or equal to -G nn bytes are automatically |
| 3733 | + put into .sbss. */ |
| 3734 | + *secp = bfd_make_section_old_way (abfd, ".sbss"); |
| 3735 | + if (*secp == NULL |
| 3736 | + || ! bfd_set_section_flags (abfd, *secp, SEC_IS_COMMON)) |
| 3737 | + return FALSE; |
| 3738 | + |
| 3739 | + *valp = sym->st_size; |
| 3740 | + } |
| 3741 | + |
| 3742 | + return TRUE; |
| 3743 | +} |
| 3744 | + |
| 3745 | +#define TARGET_LITTLE_SYM microblaze_elf64_le_vec |
| 3746 | +#define TARGET_LITTLE_NAME "elf64-microblazeel" |
| 3747 | + |
| 3748 | +#define TARGET_BIG_SYM microblaze_elf64_vec |
| 3749 | +#define TARGET_BIG_NAME "elf64-microblaze" |
| 3750 | + |
| 3751 | +#define ELF_ARCH bfd_arch_microblaze |
| 3752 | +#define ELF_TARGET_ID MICROBLAZE_ELF_DATA |
| 3753 | +#define ELF_MACHINE_CODE EM_MICROBLAZE |
| 3754 | +#define ELF_MACHINE_ALT1 EM_MICROBLAZE_OLD |
| 3755 | +#define ELF_MAXPAGESIZE 0x1000 |
| 3756 | +#define elf_info_to_howto microblaze_elf_info_to_howto |
| 3757 | +#define elf_info_to_howto_rel NULL |
| 3758 | + |
| 3759 | +#define bfd_elf64_bfd_reloc_type_lookup microblaze_elf_reloc_type_lookup |
| 3760 | +#define bfd_elf64_bfd_is_local_label_name microblaze_elf_is_local_label_name |
| 3761 | +#define elf_backend_relocate_section microblaze_elf_relocate_section |
| 3762 | +#define bfd_elf64_bfd_relax_section microblaze_elf_relax_section |
| 3763 | +#define bfd_elf64_bfd_merge_private_bfd_data microblaze_elf_merge_private_bfd_data |
| 3764 | +#define bfd_elf64_bfd_reloc_name_lookup microblaze_elf_reloc_name_lookup |
| 3765 | + |
| 3766 | +#define elf_backend_gc_mark_hook microblaze_elf_gc_mark_hook |
| 3767 | +#define elf_backend_gc_sweep_hook microblaze_elf_gc_sweep_hook |
| 3768 | +#define elf_backend_check_relocs microblaze_elf_check_relocs |
| 3769 | +#define elf_backend_copy_indirect_symbol microblaze_elf_copy_indirect_symbol |
| 3770 | +#define bfd_elf64_bfd_link_hash_table_create microblaze_elf_link_hash_table_create |
| 3771 | +#define elf_backend_can_gc_sections 1 |
| 3772 | +#define elf_backend_can_refcount 1 |
| 3773 | +#define elf_backend_want_got_plt 1 |
| 3774 | +#define elf_backend_plt_readonly 1 |
| 3775 | +#define elf_backend_got_header_size 12 |
| 3776 | +#define elf_backend_rela_normal 1 |
| 3777 | + |
| 3778 | +#define elf_backend_adjust_dynamic_symbol microblaze_elf_adjust_dynamic_symbol |
| 3779 | +#define elf_backend_create_dynamic_sections microblaze_elf_create_dynamic_sections |
| 3780 | +#define elf_backend_finish_dynamic_sections microblaze_elf_finish_dynamic_sections |
| 3781 | +#define elf_backend_finish_dynamic_symbol microblaze_elf_finish_dynamic_symbol |
| 3782 | +#define elf_backend_size_dynamic_sections microblaze_elf_size_dynamic_sections |
| 3783 | +#define elf_backend_add_symbol_hook microblaze_elf_add_symbol_hook |
| 3784 | + |
| 3785 | +#include "elf64-target.h" |
| 3786 | diff --git a/bfd/targets.c b/bfd/targets.c |
| 3787 | index 158168c..ef567a3 100644 |
| 3788 | --- a/bfd/targets.c |
| 3789 | +++ b/bfd/targets.c |
| 3790 | @@ -706,6 +706,8 @@ extern const bfd_target mep_elf32_le_vec; |
| 3791 | extern const bfd_target metag_elf32_vec; |
| 3792 | extern const bfd_target microblaze_elf32_vec; |
| 3793 | extern const bfd_target microblaze_elf32_le_vec; |
| 3794 | +extern const bfd_target microblaze_elf64_vec; |
| 3795 | +extern const bfd_target microblaze_elf64_le_vec; |
| 3796 | extern const bfd_target mips_ecoff_be_vec; |
| 3797 | extern const bfd_target mips_ecoff_le_vec; |
| 3798 | extern const bfd_target mips_ecoff_bele_vec; |
| 3799 | @@ -1073,6 +1075,10 @@ static const bfd_target * const _bfd_target_vector[] = |
| 3800 | |
| 3801 | &metag_elf32_vec, |
| 3802 | |
| 3803 | +#ifdef BFD64 |
| 3804 | + µblaze_elf64_vec, |
| 3805 | + µblaze_elf64_le_vec, |
| 3806 | +#endif |
| 3807 | µblaze_elf32_vec, |
| 3808 | |
| 3809 | &mips_ecoff_be_vec, |
| 3810 | diff --git a/gas/config/tc-microblaze.c b/gas/config/tc-microblaze.c |
| 3811 | index 16b10d0..c794347 100644 |
| 3812 | --- a/gas/config/tc-microblaze.c |
| 3813 | +++ b/gas/config/tc-microblaze.c |
| 3814 | @@ -35,10 +35,13 @@ |
| 3815 | #define streq(a,b) (strcmp (a, b) == 0) |
| 3816 | #endif |
| 3817 | |
| 3818 | +static int microblaze_arch_size = 0; |
| 3819 | + |
| 3820 | #define OPTION_EB (OPTION_MD_BASE + 0) |
| 3821 | #define OPTION_EL (OPTION_MD_BASE + 1) |
| 3822 | #define OPTION_LITTLE (OPTION_MD_BASE + 2) |
| 3823 | #define OPTION_BIG (OPTION_MD_BASE + 3) |
| 3824 | +#define OPTION_M64 (OPTION_MD_BASE + 4) |
| 3825 | |
| 3826 | void microblaze_generate_symbol (char *sym); |
| 3827 | static bfd_boolean check_spl_reg (unsigned *); |
| 3828 | @@ -773,6 +776,74 @@ parse_imm (char * s, expressionS * e, offsetT min, offsetT max) |
| 3829 | return new_pointer; |
| 3830 | } |
| 3831 | |
| 3832 | + static char * |
| 3833 | +parse_imml (char * s, expressionS * e, long min, long max) |
| 3834 | +{ |
| 3835 | + char *new_pointer; |
| 3836 | + char *atp; |
| 3837 | + int itype, ilen; |
| 3838 | + |
| 3839 | + ilen = 0; |
| 3840 | + |
| 3841 | + /* Find the start of "@GOT" or "@PLT" suffix (if any) */ |
| 3842 | + for (atp = s; *atp != '@'; atp++) |
| 3843 | + if (is_end_of_line[(unsigned char) *atp]) |
| 3844 | + break; |
| 3845 | + |
| 3846 | + if (*atp == '@') |
| 3847 | + { |
| 3848 | + itype = match_imm (atp + 1, &ilen); |
| 3849 | + if (itype != 0) |
| 3850 | + { |
| 3851 | + *atp = 0; |
| 3852 | + e->X_md = itype; |
| 3853 | + } |
| 3854 | + else |
| 3855 | + { |
| 3856 | + atp = NULL; |
| 3857 | + e->X_md = 0; |
| 3858 | + ilen = 0; |
| 3859 | + } |
| 3860 | + *atp = 0; |
| 3861 | + } |
| 3862 | + else |
| 3863 | + { |
| 3864 | + atp = NULL; |
| 3865 | + e->X_md = 0; |
| 3866 | + } |
| 3867 | + |
| 3868 | + if (atp && !GOT_symbol) |
| 3869 | + { |
| 3870 | + GOT_symbol = symbol_find_or_make (GOT_SYMBOL_NAME); |
| 3871 | + } |
| 3872 | + |
| 3873 | + new_pointer = parse_exp (s, e); |
| 3874 | + |
| 3875 | + if (!GOT_symbol && ! strncmp (s, GOT_SYMBOL_NAME, 20)) |
| 3876 | + { |
| 3877 | + GOT_symbol = symbol_find_or_make (GOT_SYMBOL_NAME); |
| 3878 | + } |
| 3879 | + |
| 3880 | + if (e->X_op == O_absent) |
| 3881 | + ; /* An error message has already been emitted. */ |
| 3882 | + else if ((e->X_op != O_constant && e->X_op != O_symbol) ) |
| 3883 | + as_fatal (_("operand must be a constant or a label")); |
| 3884 | + else if ((e->X_op == O_constant) && ((long) e->X_add_number < min |
| 3885 | + || (long) e->X_add_number > max)) |
| 3886 | + { |
| 3887 | + as_fatal (_("operand must be absolute in range %ld..%ld, not %ld"), |
| 3888 | + min, max, (long) e->X_add_number); |
| 3889 | + } |
| 3890 | + |
| 3891 | + if (atp) |
| 3892 | + { |
| 3893 | + *atp = '@'; /* restore back (needed?) */ |
| 3894 | + if (new_pointer >= atp) |
| 3895 | + new_pointer += ilen + 1; /* sizeof (imm_suffix) + 1 for '@' */ |
| 3896 | + } |
| 3897 | + return new_pointer; |
| 3898 | +} |
| 3899 | + |
| 3900 | static char * |
| 3901 | check_got (int * got_type, int * got_len) |
| 3902 | { |
| 3903 | @@ -920,6 +991,7 @@ md_assemble (char * str) |
| 3904 | unsigned int immed, immed2, temp; |
| 3905 | expressionS exp; |
| 3906 | char name[20]; |
| 3907 | + long immedl; |
| 3908 | |
| 3909 | /* Drop leading whitespace. */ |
| 3910 | while (ISSPACE (* str)) |
| 3911 | @@ -1129,7 +1201,7 @@ md_assemble (char * str) |
| 3912 | } |
| 3913 | break; |
| 3914 | |
| 3915 | - case INST_TYPE_RD_R1_IMM5: |
| 3916 | + case INST_TYPE_RD_R1_IMMS: |
| 3917 | if (strcmp (op_end, "")) |
| 3918 | op_end = parse_reg (op_end + 1, ®1); /* Get rd. */ |
| 3919 | else |
| 3920 | @@ -1163,16 +1235,22 @@ md_assemble (char * str) |
| 3921 | immed = exp.X_add_number; |
| 3922 | } |
| 3923 | |
| 3924 | - if (immed != (immed % 32)) |
| 3925 | + if ((immed != (immed % 32)) && |
| 3926 | + (opcode->instr == bslli || opcode->instr == bsrai || opcode->instr == bsrli)) |
| 3927 | { |
| 3928 | as_warn (_("Shift value > 32. using <value %% 32>")); |
| 3929 | immed = immed % 32; |
| 3930 | } |
| 3931 | + else if (immed != (immed % 64)) |
| 3932 | + { |
| 3933 | + as_warn (_("Shift value > 64. using <value %% 64>")); |
| 3934 | + immed = immed % 64; |
| 3935 | + } |
| 3936 | inst |= (reg1 << RD_LOW) & RD_MASK; |
| 3937 | inst |= (reg2 << RA_LOW) & RA_MASK; |
| 3938 | - inst |= (immed << IMM_LOW) & IMM5_MASK; |
| 3939 | + inst |= (immed << IMM_LOW) & IMM6_MASK; |
| 3940 | break; |
| 3941 | - case INST_TYPE_RD_R1_IMM5_IMM5: |
| 3942 | + case INST_TYPE_RD_R1_IMMW_IMMS: |
| 3943 | if (strcmp (op_end, "")) |
| 3944 | op_end = parse_reg (op_end + 1, ®1); /* Get rd. */ |
| 3945 | else |
| 3946 | @@ -1196,7 +1274,7 @@ md_assemble (char * str) |
| 3947 | |
| 3948 | /* Width immediate value. */ |
| 3949 | if (strcmp (op_end, "")) |
| 3950 | - op_end = parse_imm (op_end + 1, &exp, MIN_IMM_WIDTH, MAX_IMM_WIDTH); |
| 3951 | + op_end = parse_imm (op_end + 1, &exp, MIN_IMM, MAX_IMM); |
| 3952 | else |
| 3953 | as_fatal (_("Error in statement syntax")); |
| 3954 | if (exp.X_op != O_constant) |
| 3955 | @@ -1208,6 +1286,8 @@ md_assemble (char * str) |
| 3956 | immed = exp.X_add_number; |
| 3957 | if (opcode->instr == bsefi && immed > 31) |
| 3958 | as_fatal (_("Width value must be less than 32")); |
| 3959 | + else if (opcode->instr == bslefi && immed > 63) |
| 3960 | + as_fatal (_("Width value must be less than 64")); |
| 3961 | |
| 3962 | /* Shift immediate value. */ |
| 3963 | if (strcmp (op_end, "")) |
| 3964 | @@ -1215,32 +1295,40 @@ md_assemble (char * str) |
| 3965 | else |
| 3966 | as_fatal (_("Error in statement syntax")); |
| 3967 | if (exp.X_op != O_constant) |
| 3968 | - { |
| 3969 | + { |
| 3970 | as_warn (_("Symbol used as immediate shift value for bit field instruction")); |
| 3971 | immed2 = 0; |
| 3972 | } |
| 3973 | else |
| 3974 | - { |
| 3975 | + { |
| 3976 | output = frag_more (isize); |
| 3977 | immed2 = exp.X_add_number; |
| 3978 | - } |
| 3979 | - if (immed2 != (immed2 % 32)) |
| 3980 | - { |
| 3981 | - as_warn (_("Shift value greater than 32. using <value %% 32>")); |
| 3982 | + } |
| 3983 | + if ((immed2 != (immed2 % 32)) && (opcode->instr == bsefi || opcode->instr == bsifi)) |
| 3984 | + { |
| 3985 | + |
| 3986 | + as_warn (_("Shift value greater than 32. using <value %% 32>")); |
| 3987 | immed2 = immed2 % 32; |
| 3988 | } |
| 3989 | + else if (immed2 != (immed2 % 64)) |
| 3990 | + { |
| 3991 | + as_warn (_("Shift value greater than 64. using <value %% 64>")); |
| 3992 | + immed2 = immed2 % 64; |
| 3993 | + } |
| 3994 | |
| 3995 | /* Check combined value. */ |
| 3996 | - if (immed + immed2 > 32) |
| 3997 | + if ((immed + immed2 > 32) && (opcode->instr == bsefi || opcode->instr == bsifi)) |
| 3998 | as_fatal (_("Width value + shift value must not be greater than 32")); |
| 3999 | |
| 4000 | + else if (immed + immed2 > 64) |
| 4001 | + as_fatal (_("Width value + shift value must not be greater than 64")); |
| 4002 | inst |= (reg1 << RD_LOW) & RD_MASK; |
| 4003 | inst |= (reg2 << RA_LOW) & RA_MASK; |
| 4004 | - if (opcode->instr == bsefi) |
| 4005 | - inst |= (immed & IMM5_MASK) << IMM_WIDTH_LOW; /* bsefi */ |
| 4006 | + if (opcode->instr == bsefi || opcode->instr == bslefi) |
| 4007 | + inst |= (immed & IMM6_MASK) << IMM_WIDTH_LOW; /* bsefi or bslefi */ |
| 4008 | else |
| 4009 | - inst |= ((immed + immed2 - 1) & IMM5_MASK) << IMM_WIDTH_LOW; /* bsifi */ |
| 4010 | - inst |= (immed2 << IMM_LOW) & IMM5_MASK; |
| 4011 | + inst |= ((immed + immed2 - 1) & IMM6_MASK) << IMM_WIDTH_LOW; /* bsifi or bslifi */ |
| 4012 | + inst |= (immed2 << IMM_LOW) & IMM6_MASK; |
| 4013 | break; |
| 4014 | case INST_TYPE_R1_R2: |
| 4015 | if (strcmp (op_end, "")) |
| 4016 | @@ -1808,6 +1896,142 @@ md_assemble (char * str) |
| 4017 | } |
| 4018 | inst |= (immed << IMM_MBAR); |
| 4019 | break; |
| 4020 | + /* For 64-bit instructions */ |
| 4021 | + case INST_TYPE_RD_R1_IMML: |
| 4022 | + if (strcmp (op_end, "")) |
| 4023 | + op_end = parse_reg (op_end + 1, ®1); /* Get rd. */ |
| 4024 | + else |
| 4025 | + { |
| 4026 | + as_fatal (_("Error in statement syntax")); |
| 4027 | + reg1 = 0; |
| 4028 | + } |
| 4029 | + if (strcmp (op_end, "")) |
| 4030 | + op_end = parse_reg (op_end + 1, ®2); /* Get r1. */ |
| 4031 | + else |
| 4032 | + { |
| 4033 | + as_fatal (_("Error in statement syntax")); |
| 4034 | + reg2 = 0; |
| 4035 | + } |
| 4036 | + if (strcmp (op_end, "")) |
| 4037 | + op_end = parse_imml (op_end + 1, & exp, MIN_IMML, MAX_IMML); |
| 4038 | + else |
| 4039 | + as_fatal (_("Error in statement syntax")); |
| 4040 | + |
| 4041 | + /* Check for spl registers. */ |
| 4042 | + if (check_spl_reg (& reg1)) |
| 4043 | + as_fatal (_("Cannot use special register with this instruction")); |
| 4044 | + if (check_spl_reg (& reg2)) |
| 4045 | + as_fatal (_("Cannot use special register with this instruction")); |
| 4046 | + |
| 4047 | + if (exp.X_op != O_constant) |
| 4048 | + { |
| 4049 | + char *opc = NULL; |
| 4050 | + relax_substateT subtype; |
| 4051 | + |
| 4052 | + if (exp.X_md != 0) |
| 4053 | + subtype = get_imm_otype(exp.X_md); |
| 4054 | + else |
| 4055 | + subtype = opcode->inst_offset_type; |
| 4056 | + |
| 4057 | + output = frag_var (rs_machine_dependent, |
| 4058 | + isize * 2, /* maxm of 2 words. */ |
| 4059 | + isize * 2, /* minm of 2 words. */ |
| 4060 | + subtype, /* PC-relative or not. */ |
| 4061 | + exp.X_add_symbol, |
| 4062 | + exp.X_add_number, |
| 4063 | + opc); |
| 4064 | + immedl = 0L; |
| 4065 | + } |
| 4066 | + else |
| 4067 | + { |
| 4068 | + output = frag_more (isize); |
| 4069 | + immedl = exp.X_add_number; |
| 4070 | + |
| 4071 | + opcode1 = (struct op_code_struct *) hash_find (opcode_hash_control, "imml"); |
| 4072 | + if (opcode1 == NULL) |
| 4073 | + { |
| 4074 | + as_bad (_("unknown opcode \"%s\""), "imml"); |
| 4075 | + return; |
| 4076 | + } |
| 4077 | + |
| 4078 | + inst1 = opcode1->bit_sequence; |
| 4079 | + inst1 |= ((immedl & 0xFFFFFFFFFFFF0000L) >> 16) & IMML_MASK; |
| 4080 | + output[0] = INST_BYTE0 (inst1); |
| 4081 | + output[1] = INST_BYTE1 (inst1); |
| 4082 | + output[2] = INST_BYTE2 (inst1); |
| 4083 | + output[3] = INST_BYTE3 (inst1); |
| 4084 | + output = frag_more (isize); |
| 4085 | + } |
| 4086 | + |
| 4087 | + inst |= (reg1 << RD_LOW) & RD_MASK; |
| 4088 | + inst |= (reg2 << RA_LOW) & RA_MASK; |
| 4089 | + inst |= (immedl << IMM_LOW) & IMM_MASK; |
| 4090 | + break; |
| 4091 | + |
| 4092 | + case INST_TYPE_R1_IMML: |
| 4093 | + if (strcmp (op_end, "")) |
| 4094 | + op_end = parse_reg (op_end + 1, ®1); /* Get r1. */ |
| 4095 | + else |
| 4096 | + { |
| 4097 | + as_fatal (_("Error in statement syntax")); |
| 4098 | + reg1 = 0; |
| 4099 | + } |
| 4100 | + if (strcmp (op_end, "")) |
| 4101 | + op_end = parse_imml (op_end + 1, & exp, MIN_IMM, MAX_IMM); |
| 4102 | + else |
| 4103 | + as_fatal (_("Error in statement syntax")); |
| 4104 | + |
| 4105 | + /* Check for spl registers. */ |
| 4106 | + if (check_spl_reg (®1)) |
| 4107 | + as_fatal (_("Cannot use special register with this instruction")); |
| 4108 | + |
| 4109 | + if (exp.X_op != O_constant) |
| 4110 | + { |
| 4111 | + char *opc = NULL; |
| 4112 | + relax_substateT subtype; |
| 4113 | + |
| 4114 | + if (exp.X_md != 0) |
| 4115 | + subtype = get_imm_otype(exp.X_md); |
| 4116 | + else |
| 4117 | + subtype = opcode->inst_offset_type; |
| 4118 | + |
| 4119 | + output = frag_var (rs_machine_dependent, |
| 4120 | + isize * 2, /* maxm of 2 words. */ |
| 4121 | + isize * 2, /* minm of 2 words. */ |
| 4122 | + subtype, /* PC-relative or not. */ |
| 4123 | + exp.X_add_symbol, |
| 4124 | + exp.X_add_number, |
| 4125 | + opc); |
| 4126 | + immedl = 0L; |
| 4127 | + } |
| 4128 | + else |
| 4129 | + { |
| 4130 | + output = frag_more (isize); |
| 4131 | + immedl = exp.X_add_number; |
| 4132 | + |
| 4133 | + opcode1 = (struct op_code_struct *) hash_find (opcode_hash_control, "imml"); |
| 4134 | + if (opcode1 == NULL) |
| 4135 | + { |
| 4136 | + as_bad (_("unknown opcode \"%s\""), "imml"); |
| 4137 | + return; |
| 4138 | + } |
| 4139 | + |
| 4140 | + inst1 = opcode1->bit_sequence; |
| 4141 | + inst1 |= ((immedl & 0xFFFFFFFFFFFF0000L) >> 16) & IMML_MASK; |
| 4142 | + output[0] = INST_BYTE0 (inst1); |
| 4143 | + output[1] = INST_BYTE1 (inst1); |
| 4144 | + output[2] = INST_BYTE2 (inst1); |
| 4145 | + output[3] = INST_BYTE3 (inst1); |
| 4146 | + output = frag_more (isize); |
| 4147 | + } |
| 4148 | + |
| 4149 | + inst |= (reg1 << RA_LOW) & RA_MASK; |
| 4150 | + inst |= (immedl << IMM_LOW) & IMM_MASK; |
| 4151 | + break; |
| 4152 | + |
| 4153 | + case INST_TYPE_IMML: |
| 4154 | + as_fatal (_("An IMML instruction should not be present in the .s file")); |
| 4155 | + break; |
| 4156 | |
| 4157 | default: |
| 4158 | as_fatal (_("unimplemented opcode \"%s\""), name); |
| 4159 | @@ -1918,6 +2142,7 @@ struct option md_longopts[] = |
| 4160 | {"EL", no_argument, NULL, OPTION_EL}, |
| 4161 | {"mlittle-endian", no_argument, NULL, OPTION_LITTLE}, |
| 4162 | {"mbig-endian", no_argument, NULL, OPTION_BIG}, |
| 4163 | + {"m64", no_argument, NULL, OPTION_M64}, |
| 4164 | { NULL, no_argument, NULL, 0} |
| 4165 | }; |
| 4166 | |
| 4167 | @@ -2569,6 +2794,18 @@ tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp) |
| 4168 | return rel; |
| 4169 | } |
| 4170 | |
| 4171 | +/* Called by TARGET_FORMAT. */ |
| 4172 | +const char * |
| 4173 | +microblaze_target_format (void) |
| 4174 | +{ |
| 4175 | + |
| 4176 | + if (microblaze_arch_size == 64) |
| 4177 | + return "elf64-microblazeel"; |
| 4178 | + else |
| 4179 | + return target_big_endian ? "elf32-microblaze" : "elf32-microblazeel"; |
| 4180 | +} |
| 4181 | + |
| 4182 | + |
| 4183 | int |
| 4184 | md_parse_option (int c, const char * arg ATTRIBUTE_UNUSED) |
| 4185 | { |
| 4186 | @@ -2582,6 +2819,10 @@ md_parse_option (int c, const char * arg ATTRIBUTE_UNUSED) |
| 4187 | case OPTION_LITTLE: |
| 4188 | target_big_endian = 0; |
| 4189 | break; |
| 4190 | + case OPTION_M64: |
| 4191 | + //if (arg != NULL && strcmp (arg, "64") == 0) |
| 4192 | + microblaze_arch_size = 64; |
| 4193 | + break; |
| 4194 | default: |
| 4195 | return 0; |
| 4196 | } |
| 4197 | @@ -2597,6 +2838,7 @@ md_show_usage (FILE * stream ATTRIBUTE_UNUSED) |
| 4198 | fprintf (stream, _(" MicroBlaze specific assembler options:\n")); |
| 4199 | fprintf (stream, " -%-23s%s\n", "mbig-endian", N_("assemble for a big endian cpu")); |
| 4200 | fprintf (stream, " -%-23s%s\n", "mlittle-endian", N_("assemble for a little endian cpu")); |
| 4201 | + fprintf (stream, " -%-23s%s\n", "m64", N_("generate 64-bit elf")); |
| 4202 | } |
| 4203 | |
| 4204 | |
| 4205 | diff --git a/gas/config/tc-microblaze.h b/gas/config/tc-microblaze.h |
| 4206 | index ca9dbb8..9d38d2c 100644 |
| 4207 | --- a/gas/config/tc-microblaze.h |
| 4208 | +++ b/gas/config/tc-microblaze.h |
| 4209 | @@ -78,7 +78,9 @@ extern const struct relax_type md_relax_table[]; |
| 4210 | |
| 4211 | #ifdef OBJ_ELF |
| 4212 | |
| 4213 | -#define TARGET_FORMAT (target_big_endian ? "elf32-microblaze" : "elf32-microblazeel") |
| 4214 | +#define TARGET_FORMAT microblaze_target_format() |
| 4215 | +extern const char *microblaze_target_format (void); |
| 4216 | +//#define TARGET_FORMAT (target_big_endian ? "elf32-microblaze" : "elf32-microblazeel") |
| 4217 | |
| 4218 | #define ELF_TC_SPECIAL_SECTIONS \ |
| 4219 | { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \ |
| 4220 | diff --git a/include/elf/common.h b/include/elf/common.h |
| 4221 | index 996acf9..2f1e5be 100644 |
| 4222 | --- a/include/elf/common.h |
| 4223 | +++ b/include/elf/common.h |
| 4224 | @@ -339,6 +339,7 @@ |
| 4225 | #define EM_RISCV 243 /* RISC-V */ |
| 4226 | #define EM_LANAI 244 /* Lanai 32-bit processor. */ |
| 4227 | #define EM_BPF 247 /* Linux BPF – in-kernel virtual machine. */ |
| 4228 | +#define EM_MB_64 248 /* Xilinx MicroBlaze 32-bit RISC soft processor core */ |
| 4229 | #define EM_NFP 250 /* Netronome Flow Processor. */ |
| 4230 | #define EM_CSKY 252 /* C-SKY processor family. */ |
| 4231 | |
| 4232 | diff --git a/ld/Makefile.am b/ld/Makefile.am |
| 4233 | index d7faf19..f7b3b97 100644 |
| 4234 | --- a/ld/Makefile.am |
| 4235 | +++ b/ld/Makefile.am |
| 4236 | @@ -422,6 +422,8 @@ ALL_64_EMULATION_SOURCES = \ |
| 4237 | eelf32ltsmipn32.c \ |
| 4238 | eelf32ltsmipn32_fbsd.c \ |
| 4239 | eelf32mipswindiss.c \ |
| 4240 | + eelf64microblazeel.c \ |
| 4241 | + eelf64microblaze.c \ |
| 4242 | eelf64_aix.c \ |
| 4243 | eelf64_ia64.c \ |
| 4244 | eelf64_ia64_fbsd.c \ |
| 4245 | @@ -1702,6 +1704,12 @@ eelf32_x86_64_nacl.c: $(srcdir)/emulparams/elf32_x86_64_nacl.sh \ |
| 4246 | $(srcdir)/emulparams/elf_nacl.sh \ |
| 4247 | $(ELF_X86_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} |
| 4248 | |
| 4249 | +eelf64microblazeel.c: $(srcdir)/emulparams/elf64microblazeel.sh \ |
| 4250 | + $(ELF_DEPS) $(srcdir)/scripttempl/elfmicroblaze.sc ${GEN_DEPENDS} |
| 4251 | + |
| 4252 | +eelf64microblaze.c: $(srcdir)/emulparams/elf64microblaze.sh \ |
| 4253 | + $(ELF_DEPS) $(srcdir)/scripttempl/elfmicroblaze.sc ${GEN_DEPENDS} |
| 4254 | + |
| 4255 | eelf64_aix.c: $(srcdir)/emulparams/elf64_aix.sh \ |
| 4256 | $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} |
| 4257 | |
| 4258 | diff --git a/ld/Makefile.in b/ld/Makefile.in |
| 4259 | index 8b14f52..ffc9a3e 100644 |
| 4260 | --- a/ld/Makefile.in |
| 4261 | +++ b/ld/Makefile.in |
| 4262 | @@ -907,6 +907,8 @@ ALL_64_EMULATION_SOURCES = \ |
| 4263 | eelf32ltsmipn32.c \ |
| 4264 | eelf32ltsmipn32_fbsd.c \ |
| 4265 | eelf32mipswindiss.c \ |
| 4266 | + eelf64microblazeel.c \ |
| 4267 | + eelf64microblaze.c \ |
| 4268 | eelf64_aix.c \ |
| 4269 | eelf64_ia64.c \ |
| 4270 | eelf64_ia64_fbsd.c \ |
| 4271 | @@ -1355,6 +1357,8 @@ distclean-compile: |
| 4272 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32xc16xs.Po@am__quote@ |
| 4273 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32xstormy16.Po@am__quote@ |
| 4274 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32xtensa.Po@am__quote@ |
| 4275 | +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64microblazeel.Po@am__quote@ |
| 4276 | +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64microblaze.Po@am__quote@ |
| 4277 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64_aix.Po@am__quote@ |
| 4278 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64_ia64.Po@am__quote@ |
| 4279 | @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64_ia64_fbsd.Po@am__quote@ |
| 4280 | @@ -3306,6 +3310,12 @@ eelf32_x86_64_nacl.c: $(srcdir)/emulparams/elf32_x86_64_nacl.sh \ |
| 4281 | $(srcdir)/emulparams/elf_nacl.sh \ |
| 4282 | $(ELF_X86_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} |
| 4283 | |
| 4284 | +eelf64microblazeel.c: $(srcdir)/emulparams/elf64microblazeel.sh \ |
| 4285 | + $(ELF_DEPS) $(srcdir)/scripttempl/elfmicroblaze.sc ${GEN_DEPENDS} |
| 4286 | + |
| 4287 | +eelf64microblaze.c: $(srcdir)/emulparams/elf64microblaze.sh \ |
| 4288 | + $(ELF_DEPS) $(srcdir)/scripttempl/elfmicroblaze.sc ${GEN_DEPENDS} |
| 4289 | + |
| 4290 | eelf64_aix.c: $(srcdir)/emulparams/elf64_aix.sh \ |
| 4291 | $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} |
| 4292 | |
| 4293 | diff --git a/ld/configure.tgt b/ld/configure.tgt |
| 4294 | index 1e37d74..42f106d 100644 |
| 4295 | --- a/ld/configure.tgt |
| 4296 | +++ b/ld/configure.tgt |
| 4297 | @@ -424,6 +424,9 @@ microblaze*-linux*) targ_emul="elf32mb_linux" |
| 4298 | microblazeel*) targ_emul=elf32microblazeel |
| 4299 | targ_extra_emuls=elf32microblaze |
| 4300 | ;; |
| 4301 | +microblazeel64*) targ_emul=elf64microblazeel |
| 4302 | + targ_extra_emuls=elf64microblaze |
| 4303 | + ;; |
| 4304 | microblaze*) targ_emul=elf32microblaze |
| 4305 | targ_extra_emuls=elf32microblazeel |
| 4306 | ;; |
| 4307 | diff --git a/ld/emulparams/elf64microblaze.sh b/ld/emulparams/elf64microblaze.sh |
| 4308 | new file mode 100644 |
| 4309 | index 0000000..9c7b0eb |
| 4310 | --- /dev/null |
| 4311 | +++ b/ld/emulparams/elf64microblaze.sh |
| 4312 | @@ -0,0 +1,23 @@ |
| 4313 | +SCRIPT_NAME=elfmicroblaze |
| 4314 | +OUTPUT_FORMAT="elf64-microblazeel" |
| 4315 | +#BIG_OUTPUT_FORMAT="elf64-microblaze" |
| 4316 | +LITTLE_OUTPUT_FORMAT="elf64-microblazeel" |
| 4317 | +#TEXT_START_ADDR=0 |
| 4318 | +NONPAGED_TEXT_START_ADDR=0x28 |
| 4319 | +ALIGNMENT=4 |
| 4320 | +MAXPAGESIZE=4 |
| 4321 | +ARCH=microblaze |
| 4322 | +EMBEDDED=yes |
| 4323 | + |
| 4324 | +NOP=0x80000000 |
| 4325 | + |
| 4326 | +# Hmmm, there's got to be a better way. This sets the stack to the |
| 4327 | +# top of the simulator memory (2^19 bytes). |
| 4328 | +#PAGE_SIZE=0x1000 |
| 4329 | +#DATA_ADDR=0x10000 |
| 4330 | +#OTHER_RELOCATING_SECTIONS='.stack 0x7000 : { _stack = .; *(.stack) }' |
| 4331 | +#$@{RELOCATING+ PROVIDE (__stack = 0x7000);@} |
| 4332 | +#OTHER_RELOCATING_SECTIONS='PROVIDE (_stack = _end + 0x1000);' |
| 4333 | + |
| 4334 | +TEMPLATE_NAME=elf32 |
| 4335 | +#GENERATE_SHLIB_SCRIPT=yes |
| 4336 | diff --git a/ld/emulparams/elf64microblazeel.sh b/ld/emulparams/elf64microblazeel.sh |
| 4337 | new file mode 100644 |
| 4338 | index 0000000..9c7b0eb |
| 4339 | --- /dev/null |
| 4340 | +++ b/ld/emulparams/elf64microblazeel.sh |
| 4341 | @@ -0,0 +1,23 @@ |
| 4342 | +SCRIPT_NAME=elfmicroblaze |
| 4343 | +OUTPUT_FORMAT="elf64-microblazeel" |
| 4344 | +#BIG_OUTPUT_FORMAT="elf64-microblaze" |
| 4345 | +LITTLE_OUTPUT_FORMAT="elf64-microblazeel" |
| 4346 | +#TEXT_START_ADDR=0 |
| 4347 | +NONPAGED_TEXT_START_ADDR=0x28 |
| 4348 | +ALIGNMENT=4 |
| 4349 | +MAXPAGESIZE=4 |
| 4350 | +ARCH=microblaze |
| 4351 | +EMBEDDED=yes |
| 4352 | + |
| 4353 | +NOP=0x80000000 |
| 4354 | + |
| 4355 | +# Hmmm, there's got to be a better way. This sets the stack to the |
| 4356 | +# top of the simulator memory (2^19 bytes). |
| 4357 | +#PAGE_SIZE=0x1000 |
| 4358 | +#DATA_ADDR=0x10000 |
| 4359 | +#OTHER_RELOCATING_SECTIONS='.stack 0x7000 : { _stack = .; *(.stack) }' |
| 4360 | +#$@{RELOCATING+ PROVIDE (__stack = 0x7000);@} |
| 4361 | +#OTHER_RELOCATING_SECTIONS='PROVIDE (_stack = _end + 0x1000);' |
| 4362 | + |
| 4363 | +TEMPLATE_NAME=elf32 |
| 4364 | +#GENERATE_SHLIB_SCRIPT=yes |
| 4365 | diff --git a/opcodes/microblaze-dis.c b/opcodes/microblaze-dis.c |
| 4366 | index f8aaf27..20ea6a8 100644 |
| 4367 | --- a/opcodes/microblaze-dis.c |
| 4368 | +++ b/opcodes/microblaze-dis.c |
| 4369 | @@ -33,6 +33,7 @@ |
| 4370 | #define get_field_r1(instr) get_field (instr, RA_MASK, RA_LOW) |
| 4371 | #define get_field_r2(instr) get_field (instr, RB_MASK, RB_LOW) |
| 4372 | #define get_int_field_imm(instr) ((instr & IMM_MASK) >> IMM_LOW) |
| 4373 | +#define get_int_field_imml(instr) ((instr & IMML_MASK) >> IMM_LOW) |
| 4374 | #define get_int_field_r1(instr) ((instr & RA_MASK) >> RA_LOW) |
| 4375 | |
| 4376 | |
| 4377 | @@ -56,11 +57,20 @@ get_field_imm (long instr) |
| 4378 | } |
| 4379 | |
| 4380 | static char * |
| 4381 | -get_field_imm5 (long instr) |
| 4382 | +get_field_imml (long instr) |
| 4383 | { |
| 4384 | char tmpstr[25]; |
| 4385 | |
| 4386 | - sprintf (tmpstr, "%d", (short)((instr & IMM5_MASK) >> IMM_LOW)); |
| 4387 | + sprintf (tmpstr, "%d", (short)((instr & IMML_MASK) >> IMM_LOW)); |
| 4388 | + return (strdup (tmpstr)); |
| 4389 | +} |
| 4390 | + |
| 4391 | +static char * |
| 4392 | +get_field_imms (long instr) |
| 4393 | +{ |
| 4394 | + char tmpstr[25]; |
| 4395 | + |
| 4396 | + sprintf (tmpstr, "%d", (short)((instr & IMM6_MASK) >> IMM_LOW)); |
| 4397 | return (strdup (tmpstr)); |
| 4398 | } |
| 4399 | |
| 4400 | @@ -74,14 +84,14 @@ get_field_imm5_mbar (long instr) |
| 4401 | } |
| 4402 | |
| 4403 | static char * |
| 4404 | -get_field_imm5width (long instr) |
| 4405 | +get_field_immw (long instr) |
| 4406 | { |
| 4407 | char tmpstr[25]; |
| 4408 | |
| 4409 | if (instr & 0x00004000) |
| 4410 | - sprintf (tmpstr, "%d", (short)(((instr & IMM5_WIDTH_MASK) >> IMM_WIDTH_LOW))); /* bsefi */ |
| 4411 | + sprintf (tmpstr, "%d", (short)(((instr & IMM6_WIDTH_MASK) >> IMM_WIDTH_LOW))); /* bsefi */ |
| 4412 | else |
| 4413 | - sprintf (tmpstr, "%d", (short)(((instr & IMM5_WIDTH_MASK) >> IMM_WIDTH_LOW) - ((instr & IMM5_MASK) >> IMM_LOW) + 1)); /* bsifi */ |
| 4414 | + sprintf (tmpstr, "%d", (short)(((instr & IMM6_WIDTH_MASK) >> IMM_WIDTH_LOW) - ((instr & IMM6_MASK) >> IMM_LOW) + 1)); /* bsifi */ |
| 4415 | return (strdup (tmpstr)); |
| 4416 | } |
| 4417 | |
| 4418 | @@ -286,9 +296,13 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) |
| 4419 | } |
| 4420 | } |
| 4421 | break; |
| 4422 | - case INST_TYPE_RD_R1_IMM5: |
| 4423 | + case INST_TYPE_RD_R1_IMML: |
| 4424 | + print_func (stream, "\t%s, %s, %s", get_field_rd (inst), |
| 4425 | + get_field_r1(inst), get_field_imm (inst)); |
| 4426 | + /* TODO: Also print symbol */ |
| 4427 | + case INST_TYPE_RD_R1_IMMS: |
| 4428 | print_func (stream, "\t%s, %s, %s", get_field_rd (inst), |
| 4429 | - get_field_r1(inst), get_field_imm5 (inst)); |
| 4430 | + get_field_r1(inst), get_field_imms (inst)); |
| 4431 | break; |
| 4432 | case INST_TYPE_RD_RFSL: |
| 4433 | print_func (stream, "\t%s, %s", get_field_rd (inst), get_field_rfsl (inst)); |
| 4434 | @@ -386,6 +400,10 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) |
| 4435 | } |
| 4436 | } |
| 4437 | break; |
| 4438 | + case INST_TYPE_IMML: |
| 4439 | + print_func (stream, "\t%s", get_field_imml (inst)); |
| 4440 | + /* TODO: Also print symbol */ |
| 4441 | + break; |
| 4442 | case INST_TYPE_RD_R2: |
| 4443 | print_func (stream, "\t%s, %s", get_field_rd (inst), get_field_r2 (inst)); |
| 4444 | break; |
| 4445 | @@ -409,9 +427,10 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) |
| 4446 | case INST_TYPE_NONE: |
| 4447 | break; |
| 4448 | /* For bit field insns. */ |
| 4449 | - case INST_TYPE_RD_R1_IMM5_IMM5: |
| 4450 | - print_func (stream, "\t%s, %s, %s, %s", get_field_rd (inst),get_field_r1(inst),get_field_imm5width (inst), get_field_imm5 (inst)); |
| 4451 | - break; |
| 4452 | + case INST_TYPE_RD_R1_IMMW_IMMS: |
| 4453 | + print_func (stream, "\t%s, %s, %s, %s", get_field_rd (inst), get_field_r1(inst), |
| 4454 | + get_field_immw (inst), get_field_imms (inst)); |
| 4455 | + break; |
| 4456 | /* For tuqula instruction */ |
| 4457 | case INST_TYPE_RD: |
| 4458 | print_func (stream, "\t%s", get_field_rd (inst)); |
| 4459 | diff --git a/opcodes/microblaze-opc.h b/opcodes/microblaze-opc.h |
| 4460 | index ce8ac35..985834b 100644 |
| 4461 | --- a/opcodes/microblaze-opc.h |
| 4462 | +++ b/opcodes/microblaze-opc.h |
| 4463 | @@ -40,7 +40,7 @@ |
| 4464 | #define INST_TYPE_RD_SPECIAL 11 |
| 4465 | #define INST_TYPE_R1 12 |
| 4466 | /* New instn type for barrel shift imms. */ |
| 4467 | -#define INST_TYPE_RD_R1_IMM5 13 |
| 4468 | +#define INST_TYPE_RD_R1_IMMS 13 |
| 4469 | #define INST_TYPE_RD_RFSL 14 |
| 4470 | #define INST_TYPE_R1_RFSL 15 |
| 4471 | |
| 4472 | @@ -60,7 +60,13 @@ |
| 4473 | #define INST_TYPE_IMM5 20 |
| 4474 | |
| 4475 | /* For bsefi and bsifi */ |
| 4476 | -#define INST_TYPE_RD_R1_IMM5_IMM5 21 |
| 4477 | +#define INST_TYPE_RD_R1_IMMW_IMMS 21 |
| 4478 | + |
| 4479 | +/* For 64-bit instructions */ |
| 4480 | +#define INST_TYPE_IMML 22 |
| 4481 | +#define INST_TYPE_RD_R1_IMML 23 |
| 4482 | +#define INST_TYPE_R1_IMML 24 |
| 4483 | +#define INST_TYPE_RD_R1_IMMW_IMMS 21 |
| 4484 | |
| 4485 | #define INST_TYPE_NONE 25 |
| 4486 | |
| 4487 | @@ -91,13 +97,14 @@ |
| 4488 | #define OPCODE_MASK_H24 0xFC1F07FF /* High 6, bits 20-16 and low 11 bits. */ |
| 4489 | #define OPCODE_MASK_H124 0xFFFF07FF /* High 16, and low 11 bits. */ |
| 4490 | #define OPCODE_MASK_H1234 0xFFFFFFFF /* All 32 bits. */ |
| 4491 | -#define OPCODE_MASK_H3 0xFC000600 /* High 6 bits and bits 21, 22. */ |
| 4492 | -#define OPCODE_MASK_H3B 0xFC00C600 /* High 6 bits and bits 16, 17, 21, 22. */ |
| 4493 | +#define OPCODE_MASK_H3 0xFC000700 /* High 6 bits and bits 21, 22, 23. */ |
| 4494 | +#define OPCODE_MASK_H3B 0xFC00E600 /* High 6 bits and bits 16, 17, 18, 21, 22. */ |
| 4495 | #define OPCODE_MASK_H32 0xFC00FC00 /* High 6 bits and bit 16-21. */ |
| 4496 | -#define OPCODE_MASK_H32B 0xFC00C000 /* High 6 bits and bit 16, 17. */ |
| 4497 | +#define OPCODE_MASK_H32B 0xFC00E000 /* High 6 bits and bit 16, 17, 18. */ |
| 4498 | #define OPCODE_MASK_H34B 0xFC0000FF /* High 6 bits and low 8 bits. */ |
| 4499 | #define OPCODE_MASK_H35B 0xFC0004FF /* High 6 bits and low 9 bits. */ |
| 4500 | #define OPCODE_MASK_H34C 0xFC0007E0 /* High 6 bits and bits 21-26. */ |
| 4501 | +#define OPCODE_MASK_H8 0xFF000000 /* High 8 bits only. */ |
| 4502 | |
| 4503 | /* New Mask for msrset, msrclr insns. */ |
| 4504 | #define OPCODE_MASK_H23N 0xFC1F8000 /* High 6 and bits 11 - 16. */ |
| 4505 | @@ -107,7 +114,7 @@ |
| 4506 | #define DELAY_SLOT 1 |
| 4507 | #define NO_DELAY_SLOT 0 |
| 4508 | |
| 4509 | -#define MAX_OPCODES 301 |
| 4510 | +#define MAX_OPCODES 412 |
| 4511 | |
| 4512 | struct op_code_struct |
| 4513 | { |
| 4514 | @@ -125,6 +132,7 @@ struct op_code_struct |
| 4515 | /* More info about output format here. */ |
| 4516 | } opcodes[MAX_OPCODES] = |
| 4517 | { |
| 4518 | + /* 32-bit instructions */ |
| 4519 | {"add", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x00000000, OPCODE_MASK_H4, add, arithmetic_inst }, |
| 4520 | {"rsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H4, rsub, arithmetic_inst }, |
| 4521 | {"addc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x08000000, OPCODE_MASK_H4, addc, arithmetic_inst }, |
| 4522 | @@ -161,11 +169,11 @@ struct op_code_struct |
| 4523 | {"ncget", INST_TYPE_RD_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C006000, OPCODE_MASK_H32, ncget, anyware_inst }, |
| 4524 | {"ncput", INST_TYPE_R1_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C00E000, OPCODE_MASK_H32, ncput, anyware_inst }, |
| 4525 | {"muli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x60000000, OPCODE_MASK_H, muli, mult_inst }, |
| 4526 | - {"bslli", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000400, OPCODE_MASK_H3, bslli, barrel_shift_inst }, |
| 4527 | - {"bsrai", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000200, OPCODE_MASK_H3, bsrai, barrel_shift_inst }, |
| 4528 | - {"bsrli", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000000, OPCODE_MASK_H3, bsrli, barrel_shift_inst }, |
| 4529 | - {"bsefi", INST_TYPE_RD_R1_IMM5_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64004000, OPCODE_MASK_H32B, bsefi, barrel_shift_inst }, |
| 4530 | - {"bsifi", INST_TYPE_RD_R1_IMM5_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64008000, OPCODE_MASK_H32B, bsifi, barrel_shift_inst }, |
| 4531 | + {"bslli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000400, OPCODE_MASK_H3B, bslli, barrel_shift_inst }, |
| 4532 | + {"bsrai", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000200, OPCODE_MASK_H3B, bsrai, barrel_shift_inst }, |
| 4533 | + {"bsrli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000000, OPCODE_MASK_H3B, bsrli, barrel_shift_inst }, |
| 4534 | + {"bsefi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64004000, OPCODE_MASK_H32B, bsefi, barrel_shift_inst }, |
| 4535 | + {"bsifi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64008000, OPCODE_MASK_H32B, bsifi, barrel_shift_inst }, |
| 4536 | {"or", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000000, OPCODE_MASK_H4, microblaze_or, logical_inst }, |
| 4537 | {"and", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x84000000, OPCODE_MASK_H4, microblaze_and, logical_inst }, |
| 4538 | {"xor", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000000, OPCODE_MASK_H4, microblaze_xor, logical_inst }, |
| 4539 | @@ -425,6 +433,129 @@ struct op_code_struct |
| 4540 | {"suspend", INST_TYPE_NONE, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBB020004, OPCODE_MASK_HN, invalid_inst, special_inst }, /* translates to mbar 24. */ |
| 4541 | {"swapb", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900001E0, OPCODE_MASK_H4, swapb, arithmetic_inst }, |
| 4542 | {"swaph", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900001E2, OPCODE_MASK_H4, swaph, arithmetic_inst }, |
| 4543 | + |
| 4544 | + /* 64-bit instructions */ |
| 4545 | + {"addl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x00000100, OPCODE_MASK_H4, addl, arithmetic_inst }, |
| 4546 | + {"rsubl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000100, OPCODE_MASK_H4, rsubl, arithmetic_inst }, |
| 4547 | + {"addlc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x08000100, OPCODE_MASK_H4, addlc, arithmetic_inst }, |
| 4548 | + {"rsublc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x0C000100, OPCODE_MASK_H4, rsublc, arithmetic_inst }, |
| 4549 | + {"addlk", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x10000100, OPCODE_MASK_H4, addlk, arithmetic_inst }, |
| 4550 | + {"rsublk", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000100, OPCODE_MASK_H4, rsublk, arithmetic_inst }, |
| 4551 | + {"addlkc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x18000100, OPCODE_MASK_H4, addlkc, arithmetic_inst }, |
| 4552 | + {"rsublkc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x1C000100, OPCODE_MASK_H4, rsublkc, arithmetic_inst }, |
| 4553 | + {"cmpl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000101, OPCODE_MASK_H4, cmpl, arithmetic_inst }, |
| 4554 | + {"cmplu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000103, OPCODE_MASK_H4, cmplu, arithmetic_inst }, |
| 4555 | + {"addli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x20000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ |
| 4556 | + {"rsubli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x24000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ |
| 4557 | + {"addlic", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x28000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ |
| 4558 | + {"rsublic", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x2C000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ |
| 4559 | + {"addlik", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ |
| 4560 | + {"rsublik", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x34000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ |
| 4561 | + {"addlikc", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x38000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ |
| 4562 | + {"rsublikc",INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x3C000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ |
| 4563 | + {"mull", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x40000100, OPCODE_MASK_H4, mull, mult_inst }, |
| 4564 | + {"bslll", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000500, OPCODE_MASK_H3, bslll, barrel_shift_inst }, |
| 4565 | + {"bslra", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000300, OPCODE_MASK_H3, bslra, barrel_shift_inst }, |
| 4566 | + {"bslrl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000100, OPCODE_MASK_H3, bslrl, barrel_shift_inst }, |
| 4567 | + {"bsllli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002400, OPCODE_MASK_H3B, bsllli, barrel_shift_inst }, |
| 4568 | + {"bslrai", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002200, OPCODE_MASK_H3B, bslrai, barrel_shift_inst }, |
| 4569 | + {"bslrli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002000, OPCODE_MASK_H3B, bslrli, barrel_shift_inst }, |
| 4570 | + {"bslefi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64006000, OPCODE_MASK_H32B, bslefi, barrel_shift_inst }, |
| 4571 | + {"bslifi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6400a000, OPCODE_MASK_H32B, bslifi, barrel_shift_inst }, |
| 4572 | + {"orl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000100, OPCODE_MASK_H4, orl, logical_inst }, |
| 4573 | + {"andl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x84000100, OPCODE_MASK_H4, andl, logical_inst }, |
| 4574 | + {"xorl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000100, OPCODE_MASK_H4, xorl, logical_inst }, |
| 4575 | + {"andnl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x8C000100, OPCODE_MASK_H4, andnl, logical_inst }, |
| 4576 | + {"pcmplbf", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000500, OPCODE_MASK_H4, pcmplbf, logical_inst }, |
| 4577 | + {"pcmpleq", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000500, OPCODE_MASK_H4, pcmpleq, logical_inst }, |
| 4578 | + {"pcmplne", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x8C000500, OPCODE_MASK_H4, pcmplne, logical_inst }, |
| 4579 | + {"srla", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000101, OPCODE_MASK_H34, srla, logical_inst }, |
| 4580 | + {"srlc", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000121, OPCODE_MASK_H34, srlc, logical_inst }, |
| 4581 | + {"srll", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000141, OPCODE_MASK_H34, srll, logical_inst }, |
| 4582 | + {"sextl8", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000160, OPCODE_MASK_H34, sextl8, logical_inst }, |
| 4583 | + {"sextl16", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000161, OPCODE_MASK_H34, sextl16, logical_inst }, |
| 4584 | + {"sextl32", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000162, OPCODE_MASK_H34, sextl32, logical_inst }, |
| 4585 | + {"brea", INST_TYPE_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98010000, OPCODE_MASK_H124, brea, branch_inst }, |
| 4586 | + {"bread", INST_TYPE_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98110000, OPCODE_MASK_H124, bread, branch_inst }, |
| 4587 | + {"breald", INST_TYPE_RD_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98150000, OPCODE_MASK_H24, breald, branch_inst }, |
| 4588 | + {"beaeq", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D000000, OPCODE_MASK_H14, beaeq, branch_inst }, |
| 4589 | + {"bealeq", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D000100, OPCODE_MASK_H14, bealeq, branch_inst }, |
| 4590 | + {"beaeqd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F000000, OPCODE_MASK_H14, beaeqd, branch_inst }, |
| 4591 | + {"bealeqd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F000100, OPCODE_MASK_H14, bealeqd, branch_inst }, |
| 4592 | + {"beane", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D200000, OPCODE_MASK_H14, beane, branch_inst }, |
| 4593 | + {"bealne", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D200100, OPCODE_MASK_H14, bealne, branch_inst }, |
| 4594 | + {"beaned", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F200000, OPCODE_MASK_H14, beaned, branch_inst }, |
| 4595 | + {"bealned", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F200100, OPCODE_MASK_H14, bealned, branch_inst }, |
| 4596 | + {"bealt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D400000, OPCODE_MASK_H14, bealt, branch_inst }, |
| 4597 | + {"beallt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D400100, OPCODE_MASK_H14, beallt, branch_inst }, |
| 4598 | + {"bealtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F400000, OPCODE_MASK_H14, bealtd, branch_inst }, |
| 4599 | + {"bealltd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F400100, OPCODE_MASK_H14, bealltd, branch_inst }, |
| 4600 | + {"beale", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D600000, OPCODE_MASK_H14, beale, branch_inst }, |
| 4601 | + {"bealle", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D600100, OPCODE_MASK_H14, bealle, branch_inst }, |
| 4602 | + {"bealed", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F600000, OPCODE_MASK_H14, bealed, branch_inst }, |
| 4603 | + {"bealled", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F600100, OPCODE_MASK_H14, bealled, branch_inst }, |
| 4604 | + {"beagt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D800000, OPCODE_MASK_H14, beagt, branch_inst }, |
| 4605 | + {"bealgt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D800100, OPCODE_MASK_H14, bealgt, branch_inst }, |
| 4606 | + {"beagtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F800000, OPCODE_MASK_H14, beagtd, branch_inst }, |
| 4607 | + {"bealgtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F800100, OPCODE_MASK_H14, bealgtd, branch_inst }, |
| 4608 | + {"beage", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9DA00000, OPCODE_MASK_H14, beage, branch_inst }, |
| 4609 | + {"bealge", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9DA00100, OPCODE_MASK_H14, bealge, branch_inst }, |
| 4610 | + {"beaged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9FA00000, OPCODE_MASK_H14, beaged, branch_inst }, |
| 4611 | + {"bealged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9FA00100, OPCODE_MASK_H14, bealged, branch_inst }, |
| 4612 | + {"orli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA0000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ |
| 4613 | + {"andli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA4000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ |
| 4614 | + {"xorli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA8000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ |
| 4615 | + {"andnli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xAC000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ |
| 4616 | + {"imml", INST_TYPE_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB2000000, OPCODE_MASK_H8, imml, immediate_inst }, |
| 4617 | + {"breai", INST_TYPE_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8010000, OPCODE_MASK_H12, breai, branch_inst }, |
| 4618 | + {"breaid", INST_TYPE_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8110000, OPCODE_MASK_H12, breaid, branch_inst }, |
| 4619 | + {"brealid", INST_TYPE_RD_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8150000, OPCODE_MASK_H2, brealid, branch_inst }, |
| 4620 | + {"beaeqi", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD000000, OPCODE_MASK_H1, beaeqi, branch_inst }, |
| 4621 | + {"bealeqi", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD000000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beaeqi */ |
| 4622 | + {"beaeqid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF000000, OPCODE_MASK_H1, beaeqid, branch_inst }, |
| 4623 | + {"bealeqid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF000000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beaeqid */ |
| 4624 | + {"beanei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD200000, OPCODE_MASK_H1, beanei, branch_inst }, |
| 4625 | + {"bealnei", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD200000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beanei */ |
| 4626 | + {"beaneid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF200000, OPCODE_MASK_H1, beaneid, branch_inst }, |
| 4627 | + {"bealneid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF200000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beaneid */ |
| 4628 | + {"bealti", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD400000, OPCODE_MASK_H1, bealti, branch_inst }, |
| 4629 | + {"beallti", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD400000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealti */ |
| 4630 | + {"bealtid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF400000, OPCODE_MASK_H1, bealtid, branch_inst }, |
| 4631 | + {"bealltid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF400000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealtid */ |
| 4632 | + {"bealei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD600000, OPCODE_MASK_H1, bealei, branch_inst }, |
| 4633 | + {"beallei", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD600000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealei */ |
| 4634 | + {"bealeid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF600000, OPCODE_MASK_H1, bealeid, branch_inst }, |
| 4635 | + {"bealleid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF600000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealeid */ |
| 4636 | + {"beagti", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD800000, OPCODE_MASK_H1, beagti, branch_inst }, |
| 4637 | + {"bealgti", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD800000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beagti */ |
| 4638 | + {"beagtid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF800000, OPCODE_MASK_H1, beagtid, branch_inst }, |
| 4639 | + {"bealgtid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF800000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beagtid */ |
| 4640 | + {"beagei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBDA00000, OPCODE_MASK_H1, beagei, branch_inst }, |
| 4641 | + {"bealgei", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBDA00000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beagei */ |
| 4642 | + {"beageid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBFA00000, OPCODE_MASK_H1, beageid, branch_inst }, |
| 4643 | + {"bealgeid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBFA00000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beageid */ |
| 4644 | + {"ll", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000100, OPCODE_MASK_H4, ll, memory_load_inst }, |
| 4645 | + {"llr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000300, OPCODE_MASK_H4, llr, memory_load_inst }, |
| 4646 | + {"sl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000100, OPCODE_MASK_H4, sl, memory_store_inst }, |
| 4647 | + {"slr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000300, OPCODE_MASK_H4, slr, memory_store_inst }, |
| 4648 | + {"lli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE8000000, OPCODE_MASK_H, invalid_inst, memory_load_inst }, /* Identical to 32-bit */ |
| 4649 | + {"sli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xF8000000, OPCODE_MASK_H, invalid_inst, memory_store_inst }, /* Identical to 32-bit */ |
| 4650 | + {"lla", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* lla translates to addlik */ |
| 4651 | + {"dadd", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000400, OPCODE_MASK_H4, dadd, arithmetic_inst }, |
| 4652 | + {"drsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000480, OPCODE_MASK_H4, drsub, arithmetic_inst }, |
| 4653 | + {"dmul", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000500, OPCODE_MASK_H4, dmul, arithmetic_inst }, |
| 4654 | + {"ddiv", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000580, OPCODE_MASK_H4, ddiv, arithmetic_inst }, |
| 4655 | + {"dcmp.lt", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000610, OPCODE_MASK_H4, dcmp_lt, arithmetic_inst }, |
| 4656 | + {"dcmp.eq", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000620, OPCODE_MASK_H4, dcmp_eq, arithmetic_inst }, |
| 4657 | + {"dcmp.le", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000630, OPCODE_MASK_H4, dcmp_le, arithmetic_inst }, |
| 4658 | + {"dcmp.gt", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000640, OPCODE_MASK_H4, dcmp_gt, arithmetic_inst }, |
| 4659 | + {"dcmp.ne", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000650, OPCODE_MASK_H4, dcmp_ne, arithmetic_inst }, |
| 4660 | + {"dcmp.ge", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000660, OPCODE_MASK_H4, dcmp_ge, arithmetic_inst }, |
| 4661 | + {"dcmp.un", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000600, OPCODE_MASK_H4, dcmp_un, arithmetic_inst }, |
| 4662 | + {"dbl", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000680, OPCODE_MASK_H4, dbl, arithmetic_inst }, |
| 4663 | + {"dlong", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000700, OPCODE_MASK_H4, dlong, arithmetic_inst }, |
| 4664 | + {"dsqrt", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000780, OPCODE_MASK_H4, dsqrt, arithmetic_inst }, |
| 4665 | + |
| 4666 | {"", 0, 0, 0, 0, 0, 0, 0, 0}, |
| 4667 | }; |
| 4668 | |
| 4669 | @@ -445,8 +576,17 @@ char pvr_register_prefix[] = "rpvr"; |
| 4670 | #define MIN_IMM5 ((int) 0x00000000) |
| 4671 | #define MAX_IMM5 ((int) 0x0000001f) |
| 4672 | |
| 4673 | +#define MIN_IMM6 ((int) 0x00000000) |
| 4674 | +#define MAX_IMM6 ((int) 0x0000003f) |
| 4675 | + |
| 4676 | #define MIN_IMM_WIDTH ((int) 0x00000001) |
| 4677 | #define MAX_IMM_WIDTH ((int) 0x00000020) |
| 4678 | |
| 4679 | +#define MIN_IMM6_WIDTH ((int) 0x00000001) |
| 4680 | +#define MAX_IMM6_WIDTH ((int) 0x00000040) |
| 4681 | + |
| 4682 | +#define MIN_IMML ((long) 0xffffff8000000000L) |
| 4683 | +#define MAX_IMML ((long) 0x0000007fffffffffL) |
| 4684 | + |
| 4685 | #endif /* MICROBLAZE_OPC */ |
| 4686 | |
| 4687 | diff --git a/opcodes/microblaze-opcm.h b/opcodes/microblaze-opcm.h |
| 4688 | index 2866269..076dbcd 100644 |
| 4689 | --- a/opcodes/microblaze-opcm.h |
| 4690 | +++ b/opcodes/microblaze-opcm.h |
| 4691 | @@ -25,6 +25,7 @@ |
| 4692 | |
| 4693 | enum microblaze_instr |
| 4694 | { |
| 4695 | + /* 32-bit instructions */ |
| 4696 | add, rsub, addc, rsubc, addk, rsubk, addkc, rsubkc, clz, cmp, cmpu, |
| 4697 | addi, rsubi, addic, rsubic, addik, rsubik, addikc, rsubikc, mul, |
| 4698 | mulh, mulhu, mulhsu,swapb,swaph, |
| 4699 | @@ -58,6 +59,18 @@ enum microblaze_instr |
| 4700 | aputd, taputd, caputd, tcaputd, naputd, tnaputd, ncaputd, tncaputd, |
| 4701 | eagetd, teagetd, ecagetd, tecagetd, neagetd, tneagetd, necagetd, tnecagetd, |
| 4702 | eaputd, teaputd, ecaputd, tecaputd, neaputd, tneaputd, necaputd, tnecaputd, |
| 4703 | + |
| 4704 | + /* 64-bit instructions */ |
| 4705 | + addl, rsubl, addlc, rsublc, addlk, rsublk, addlkc, rsublkc, cmpl, cmplu, mull, |
| 4706 | + bslll, bslra, bslrl, bsllli, bslrai, bslrli, bslefi, bslifi, orl, andl, xorl, |
| 4707 | + andnl, pcmplbf, pcmpleq, pcmplne, srla, srlc, srll, sextl8, sextl16, sextl32, |
| 4708 | + brea, bread, breald, beaeq, bealeq, beaeqd, bealeqd, beane, bealne, beaned, |
| 4709 | + bealned, bealt, beallt, bealtd, bealltd, beale, bealle, bealed, bealled, beagt, |
| 4710 | + bealgt, beagtd, bealgtd, beage, bealge, beaged, bealged, breai, breaid, brealid, |
| 4711 | + beaeqi, beaeqid, beanei, beaneid, bealti, bealtid, bealei, bealeid, beagti, |
| 4712 | + beagtid, beagei, beageid, imml, ll, llr, sl, slr, |
| 4713 | + dadd, drsub, dmul, ddiv, dcmp_lt, dcmp_eq, dcmp_le, dcmp_gt, dcmp_ne, dcmp_ge, |
| 4714 | + dcmp_un, dbl, dlong, dsqrt, |
| 4715 | invalid_inst |
| 4716 | }; |
| 4717 | |
| 4718 | @@ -135,15 +148,18 @@ enum microblaze_instr_type |
| 4719 | #define RA_MASK 0x001F0000 |
| 4720 | #define RB_MASK 0x0000F800 |
| 4721 | #define IMM_MASK 0x0000FFFF |
| 4722 | +#define IMML_MASK 0x00FFFFFF |
| 4723 | |
| 4724 | -/* Imm mask for barrel shifts. */ |
| 4725 | +/* Imm masks for barrel shifts. */ |
| 4726 | #define IMM5_MASK 0x0000001F |
| 4727 | +#define IMM6_MASK 0x0000003F |
| 4728 | |
| 4729 | /* Imm mask for mbar. */ |
| 4730 | #define IMM5_MBAR_MASK 0x03E00000 |
| 4731 | |
| 4732 | -/* Imm mask for extract/insert width. */ |
| 4733 | +/* Imm masks for extract/insert width. */ |
| 4734 | #define IMM5_WIDTH_MASK 0x000007C0 |
| 4735 | +#define IMM6_WIDTH_MASK 0x00000FC0 |
| 4736 | |
| 4737 | /* FSL imm mask for get, put instructions. */ |
| 4738 | #define RFSL_MASK 0x000000F |