Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | From: Kurt Roeckx <kurt@roeckx.be> |
| 2 | From: Thorsten Glaser <tg@mirbsd.de> |
| 3 | Subject: m68k support |
| 4 | |
| 5 | Written by Kurt Roeckx, except for the retval support which was written |
| 6 | by Thorsten Glaser |
| 7 | |
| 8 | |
| 9 | Index: elfutils-0.158/backends/m68k_init.c |
| 10 | =================================================================== |
| 11 | --- /dev/null 1970-01-01 00:00:00.000000000 +0000 |
| 12 | +++ elfutils-0.158/backends/m68k_init.c 2014-04-21 11:14:23.813175704 +0000 |
| 13 | @@ -0,0 +1,50 @@ |
| 14 | +/* Initialization of m68k specific backend library. |
| 15 | + Copyright (C) 2007 Kurt Roeckx <kurt@roeckx.be> |
| 16 | + |
| 17 | + This software is free software; you can redistribute it and/or modify |
| 18 | + it under the terms of the GNU General Public License as published by the |
| 19 | + Free Software Foundation; version 2 of the License. |
| 20 | + |
| 21 | + This softare is distributed in the hope that it will be useful, but |
| 22 | + WITHOUT ANY WARRANTY; without even the implied warranty of |
| 23 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 24 | + General Public License for more details. |
| 25 | + |
| 26 | + You should have received a copy of the GNU General Public License along |
| 27 | + with this software; if not, write to the Free Software Foundation, |
| 28 | + Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
| 29 | + |
| 30 | +*/ |
| 31 | + |
| 32 | +#ifdef HAVE_CONFIG_H |
| 33 | +# include <config.h> |
| 34 | +#endif |
| 35 | + |
| 36 | +#define BACKEND m68k_ |
| 37 | +#define RELOC_PREFIX R_68K_ |
| 38 | +#include "libebl_CPU.h" |
| 39 | + |
| 40 | +/* This defines the common reloc hooks based on m68k_reloc.def. */ |
| 41 | +#include "common-reloc.c" |
| 42 | + |
| 43 | + |
| 44 | +const char * |
| 45 | +m68k_init (elf, machine, eh, ehlen) |
| 46 | + Elf *elf __attribute__ ((unused)); |
| 47 | + GElf_Half machine __attribute__ ((unused)); |
| 48 | + Ebl *eh; |
| 49 | + size_t ehlen; |
| 50 | +{ |
| 51 | + /* Check whether the Elf_BH object has a sufficent size. */ |
| 52 | + if (ehlen < sizeof (Ebl)) |
| 53 | + return NULL; |
| 54 | + |
| 55 | + /* We handle it. */ |
| 56 | + eh->name = "m68k"; |
| 57 | + m68k_init_reloc (eh); |
| 58 | + HOOK (eh, reloc_simple_type); |
| 59 | + HOOK (eh, return_value_location); |
| 60 | + HOOK (eh, register_info); |
| 61 | + |
| 62 | + return MODVERSION; |
| 63 | +} |
| 64 | Index: elfutils-0.158/backends/m68k_regs.c |
| 65 | =================================================================== |
| 66 | --- /dev/null 1970-01-01 00:00:00.000000000 +0000 |
| 67 | +++ elfutils-0.158/backends/m68k_regs.c 2014-04-21 11:14:23.813175704 +0000 |
| 68 | @@ -0,0 +1,106 @@ |
| 69 | +/* Register names and numbers for m68k DWARF. |
| 70 | + Copyright (C) 2007 Kurt Roeckx <kurt@roeckx.be> |
| 71 | + |
| 72 | + This software is free software; you can redistribute it and/or modify |
| 73 | + it under the terms of the GNU General Public License as published by the |
| 74 | + Free Software Foundation; version 2 of the License. |
| 75 | + |
| 76 | + This software is distributed in the hope that it will be useful, but |
| 77 | + WITHOUT ANY WARRANTY; without even the implied warranty of |
| 78 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 79 | + General Public License for more details. |
| 80 | + |
| 81 | + You should have received a copy of the GNU General Public License along |
| 82 | + with this software; if not, write to the Free Software Foundation, |
| 83 | + Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
| 84 | + |
| 85 | + */ |
| 86 | + |
| 87 | +#ifdef HAVE_CONFIG_H |
| 88 | +# include <config.h> |
| 89 | +#endif |
| 90 | + |
| 91 | +#include <string.h> |
| 92 | +#include <dwarf.h> |
| 93 | + |
| 94 | +#define BACKEND m68k_ |
| 95 | +#include "libebl_CPU.h" |
| 96 | + |
| 97 | +ssize_t |
| 98 | +m68k_register_info (Ebl *ebl __attribute__ ((unused)), |
| 99 | + int regno, char *name, size_t namelen, |
| 100 | + const char **prefix, const char **setname, |
| 101 | + int *bits, int *type) |
| 102 | +{ |
| 103 | + if (name == NULL) |
| 104 | + return 25; |
| 105 | + |
| 106 | + if (regno < 0 || regno > 24 || namelen < 5) |
| 107 | + return -1; |
| 108 | + |
| 109 | + *prefix = "%"; |
| 110 | + *bits = 32; |
| 111 | + *type = (regno < 8 ? DW_ATE_signed |
| 112 | + : regno < 16 ? DW_ATE_address : DW_ATE_float); |
| 113 | + |
| 114 | + if (regno < 8) |
| 115 | + { |
| 116 | + *setname = "integer"; |
| 117 | + } |
| 118 | + else if (regno < 16) |
| 119 | + { |
| 120 | + *setname = "address"; |
| 121 | + } |
| 122 | + else if (regno < 24) |
| 123 | + { |
| 124 | + *setname = "FPU"; |
| 125 | + } |
| 126 | + else |
| 127 | + { |
| 128 | + *setname = "address"; |
| 129 | + *type = DW_ATE_address; |
| 130 | + } |
| 131 | + |
| 132 | + switch (regno) |
| 133 | + { |
| 134 | + case 0 ... 7: |
| 135 | + name[0] = 'd'; |
| 136 | + name[1] = regno + '0'; |
| 137 | + namelen = 2; |
| 138 | + break; |
| 139 | + |
| 140 | + case 8 ... 13: |
| 141 | + name[0] = 'a'; |
| 142 | + name[1] = regno - 8 + '0'; |
| 143 | + namelen = 2; |
| 144 | + break; |
| 145 | + |
| 146 | + case 14: |
| 147 | + name[0] = 'f'; |
| 148 | + name[1] = 'p'; |
| 149 | + namelen = 2; |
| 150 | + break; |
| 151 | + |
| 152 | + case 15: |
| 153 | + name[0] = 's'; |
| 154 | + name[1] = 'p'; |
| 155 | + namelen = 2; |
| 156 | + break; |
| 157 | + |
| 158 | + case 16 ... 23: |
| 159 | + name[0] = 'f'; |
| 160 | + name[1] = 'p'; |
| 161 | + name[2] = regno - 16 + '0'; |
| 162 | + namelen = 3; |
| 163 | + break; |
| 164 | + |
| 165 | + case 24: |
| 166 | + name[0] = 'p'; |
| 167 | + name[1] = 'c'; |
| 168 | + namelen = 2; |
| 169 | + } |
| 170 | + |
| 171 | + name[namelen++] = '\0'; |
| 172 | + return namelen; |
| 173 | +} |
| 174 | + |
| 175 | Index: elfutils-0.158/backends/m68k_reloc.def |
| 176 | =================================================================== |
| 177 | --- /dev/null 1970-01-01 00:00:00.000000000 +0000 |
| 178 | +++ elfutils-0.158/backends/m68k_reloc.def 2014-04-21 11:14:23.813175704 +0000 |
| 179 | @@ -0,0 +1,45 @@ |
| 180 | +/* List the relocation types for m68k. -*- C -*- |
| 181 | + Copyright (C) 2007 Kurt Roeckx <kurt@roeckx.be> |
| 182 | + |
| 183 | + This software is free software; you can redistribute it and/or modify |
| 184 | + it under the terms of the GNU General Public License as published by the |
| 185 | + Free Software Foundation; version 2 of the License. |
| 186 | + |
| 187 | + This software is distributed in the hope that it will be useful, but |
| 188 | + WITHOUT ANY WARRANTY; without even the implied warranty of |
| 189 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 190 | + General Public License for more details. |
| 191 | + |
| 192 | + You should have received a copy of the GNU General Public License along |
| 193 | + with this software; if not, write to the Free Software Foundation, |
| 194 | + Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
| 195 | +*/ |
| 196 | + |
| 197 | +/* NAME, REL|EXEC|DYN */ |
| 198 | + |
| 199 | +RELOC_TYPE (NONE, 0) |
| 200 | +RELOC_TYPE (32, REL|EXEC|DYN) |
| 201 | +RELOC_TYPE (16, REL) |
| 202 | +RELOC_TYPE (8, REL) |
| 203 | +RELOC_TYPE (PC32, REL|EXEC|DYN) |
| 204 | +RELOC_TYPE (PC16, REL) |
| 205 | +RELOC_TYPE (PC8, REL) |
| 206 | +RELOC_TYPE (GOT32, REL) |
| 207 | +RELOC_TYPE (GOT16, REL) |
| 208 | +RELOC_TYPE (GOT8, REL) |
| 209 | +RELOC_TYPE (GOT32O, REL) |
| 210 | +RELOC_TYPE (GOT16O, REL) |
| 211 | +RELOC_TYPE (GOT8O, REL) |
| 212 | +RELOC_TYPE (PLT32, REL) |
| 213 | +RELOC_TYPE (PLT16, REL) |
| 214 | +RELOC_TYPE (PLT8, REL) |
| 215 | +RELOC_TYPE (PLT32O, REL) |
| 216 | +RELOC_TYPE (PLT16O, REL) |
| 217 | +RELOC_TYPE (PLT8O, REL) |
| 218 | +RELOC_TYPE (COPY, EXEC) |
| 219 | +RELOC_TYPE (GLOB_DAT, EXEC|DYN) |
| 220 | +RELOC_TYPE (JMP_SLOT, EXEC|DYN) |
| 221 | +RELOC_TYPE (RELATIVE, EXEC|DYN) |
| 222 | +RELOC_TYPE (GNU_VTINHERIT, REL) |
| 223 | +RELOC_TYPE (GNU_VTENTRY, REL) |
| 224 | + |
| 225 | Index: elfutils-0.158/libelf/elf.h |
| 226 | =================================================================== |
| 227 | --- elfutils-0.158.orig/libelf/elf.h 2014-04-21 11:14:23.813175704 +0000 |
| 228 | +++ elfutils-0.158/libelf/elf.h 2014-04-21 11:14:23.813175704 +0000 |
| 229 | @@ -1157,6 +1157,9 @@ |
| 230 | #define R_68K_GLOB_DAT 20 /* Create GOT entry */ |
| 231 | #define R_68K_JMP_SLOT 21 /* Create PLT entry */ |
| 232 | #define R_68K_RELATIVE 22 /* Adjust by program base */ |
| 233 | +/* The next 2 are GNU extensions to enable C++ vtable garbage collection. */ |
| 234 | +#define R_68K_GNU_VTINHERIT 23 |
| 235 | +#define R_68K_GNU_VTENTRY 24 |
| 236 | #define R_68K_TLS_GD32 25 /* 32 bit GOT offset for GD */ |
| 237 | #define R_68K_TLS_GD16 26 /* 16 bit GOT offset for GD */ |
| 238 | #define R_68K_TLS_GD8 27 /* 8 bit GOT offset for GD */ |
| 239 | Index: elfutils-0.158/backends/Makefile.am |
| 240 | =================================================================== |
| 241 | --- elfutils-0.158.orig/backends/Makefile.am 2014-04-21 11:14:23.813175704 +0000 |
| 242 | +++ elfutils-0.158/backends/Makefile.am 2014-04-21 11:14:48.344621167 +0000 |
| 243 | @@ -33,12 +33,12 @@ |
| 244 | |
| 245 | |
| 246 | modules = i386 sh x86_64 ia64 alpha arm aarch64 sparc ppc ppc64 s390 \ |
| 247 | - tilegx parisc mips |
| 248 | + tilegx parisc mips m68k |
| 249 | libebl_pic = libebl_i386_pic.a libebl_sh_pic.a libebl_x86_64_pic.a \ |
| 250 | libebl_ia64_pic.a libebl_alpha_pic.a libebl_arm_pic.a \ |
| 251 | libebl_aarch64_pic.a libebl_sparc_pic.a libebl_ppc_pic.a \ |
| 252 | libebl_ppc64_pic.a libebl_s390_pic.a libebl_tilegx_pic.a \ |
| 253 | - libebl_parisc_pic.a libebl_mips_pic.a |
| 254 | + libebl_parisc_pic.a libebl_mips_pic.a libebl_m68k_pic.a |
| 255 | noinst_LIBRARIES = $(libebl_pic) |
| 256 | noinst_DATA = $(libebl_pic:_pic.a=.so) |
| 257 | |
| 258 | @@ -125,6 +125,10 @@ |
| 259 | libebl_mips_pic_a_SOURCES = $(mips_SRCS) |
| 260 | am_libebl_mips_pic_a_OBJECTS = $(mips_SRCS:.c=.os) |
| 261 | |
| 262 | +m68k_SRCS = m68k_init.c m68k_symbol.c m68k_regs.c m68k_retval.c |
| 263 | +libebl_m68k_pic_a_SOURCES = $(m68k_SRCS) |
| 264 | +am_libebl_m68k_pic_a_OBJECTS = $(m68k_SRCS:.c=.os) |
| 265 | + |
| 266 | libebl_%.so libebl_%.map: libebl_%_pic.a $(libelf) $(libdw) |
| 267 | @rm -f $(@:.so=.map) |
| 268 | echo 'ELFUTILS_$(PACKAGE_VERSION) { global: $*_init; local: *; };' \ |
| 269 | Index: elfutils-0.158/backends/m68k_symbol.c |
| 270 | =================================================================== |
| 271 | --- /dev/null 1970-01-01 00:00:00.000000000 +0000 |
| 272 | +++ elfutils-0.158/backends/m68k_symbol.c 2014-04-21 11:14:23.813175704 +0000 |
| 273 | @@ -0,0 +1,43 @@ |
| 274 | +/* m68k specific symbolic name handling. |
| 275 | + Copyright (C) 2007 Kurt Roeckx <kurt@roeckx.be> |
| 276 | + |
| 277 | + This software is free software; you can redistribute it and/or modify |
| 278 | + it under the terms of the GNU General Public License as published by the |
| 279 | + Free Software Foundation; version 2 of the License. |
| 280 | + |
| 281 | + This software distributed in the hope that it will be useful, but |
| 282 | + WITHOUT ANY WARRANTY; without even the implied warranty of |
| 283 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 284 | + General Public License for more details. |
| 285 | + |
| 286 | + You should have received a copy of the GNU General Public License along |
| 287 | + with this software; if not, write to the Free Software Foundation, |
| 288 | + Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
| 289 | +*/ |
| 290 | + |
| 291 | +#ifdef HAVE_CONFIG_H |
| 292 | +# include <config.h> |
| 293 | +#endif |
| 294 | + |
| 295 | +#include <elf.h> |
| 296 | +#include <stddef.h> |
| 297 | + |
| 298 | +#define BACKEND m68k_ |
| 299 | +#include "libebl_CPU.h" |
| 300 | + |
| 301 | +/* Check for the simple reloc types. */ |
| 302 | +Elf_Type |
| 303 | +m68k_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type) |
| 304 | +{ |
| 305 | + switch (type) |
| 306 | + { |
| 307 | + case R_68K_32: |
| 308 | + return ELF_T_SWORD; |
| 309 | + case R_68K_16: |
| 310 | + return ELF_T_HALF; |
| 311 | + case R_68K_8: |
| 312 | + return ELF_T_BYTE; |
| 313 | + default: |
| 314 | + return ELF_T_NUM; |
| 315 | + } |
| 316 | +} |
| 317 | Index: elfutils-0.158/backends/m68k_retval.c |
| 318 | =================================================================== |
| 319 | --- /dev/null 1970-01-01 00:00:00.000000000 +0000 |
| 320 | +++ elfutils-0.158/backends/m68k_retval.c 2014-04-21 11:14:23.813175704 +0000 |
| 321 | @@ -0,0 +1,172 @@ |
| 322 | +/* Function return value location for Linux/m68k ABI. |
| 323 | + Copyright (C) 2005-2010 Red Hat, Inc. |
| 324 | + Copyright (c) 2011 Thorsten Glaser, Debian. |
| 325 | + This file is part of Red Hat elfutils. |
| 326 | + |
| 327 | + Red Hat elfutils is free software; you can redistribute it and/or modify |
| 328 | + it under the terms of the GNU General Public License as published by the |
| 329 | + Free Software Foundation; version 2 of the License. |
| 330 | + |
| 331 | + Red Hat elfutils is distributed in the hope that it will be useful, but |
| 332 | + WITHOUT ANY WARRANTY; without even the implied warranty of |
| 333 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 334 | + General Public License for more details. |
| 335 | + |
| 336 | + You should have received a copy of the GNU General Public License along |
| 337 | + with Red Hat elfutils; if not, write to the Free Software Foundation, |
| 338 | + Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
| 339 | + |
| 340 | + Red Hat elfutils is an included package of the Open Invention Network. |
| 341 | + An included package of the Open Invention Network is a package for which |
| 342 | + Open Invention Network licensees cross-license their patents. No patent |
| 343 | + license is granted, either expressly or impliedly, by designation as an |
| 344 | + included package. Should you wish to participate in the Open Invention |
| 345 | + Network licensing program, please visit www.openinventionnetwork.com |
| 346 | + <http://www.openinventionnetwork.com>. */ |
| 347 | + |
| 348 | +#ifdef HAVE_CONFIG_H |
| 349 | +# include <config.h> |
| 350 | +#endif |
| 351 | + |
| 352 | +#include <assert.h> |
| 353 | +#include <dwarf.h> |
| 354 | + |
| 355 | +#define BACKEND m68k_ |
| 356 | +#include "libebl_CPU.h" |
| 357 | + |
| 358 | + |
| 359 | +/* %d0, or pair %d0, %d1, or %a0 */ |
| 360 | +static const Dwarf_Op loc_intreg[] = |
| 361 | + { |
| 362 | + { .atom = DW_OP_reg0 }, { .atom = DW_OP_piece, .number = 4 }, |
| 363 | + { .atom = DW_OP_reg1 }, { .atom = DW_OP_piece, .number = 4 }, |
| 364 | + }; |
| 365 | +static const Dwarf_Op loc_ptrreg[] = |
| 366 | + { |
| 367 | + { .atom = DW_OP_reg8 }, |
| 368 | + }; |
| 369 | +#define nloc_intreg 1 |
| 370 | +#define nloc_intregpair 4 |
| 371 | +#define nloc_ptrreg 1 |
| 372 | + |
| 373 | +/* %f0 */ |
| 374 | +static const Dwarf_Op loc_fpreg[] = |
| 375 | + { |
| 376 | + { .atom = DW_OP_reg16 } |
| 377 | + }; |
| 378 | +#define nloc_fpreg 1 |
| 379 | + |
| 380 | +/* Structures are a bit more complicated - small structures are returned |
| 381 | + in %d0 / %d1 (-freg-struct-return which is enabled by default), large |
| 382 | + structures use %a1 (in constrast to the SYSV psABI which says %a0) as |
| 383 | + reentrant storage space indicator. */ |
| 384 | +static const Dwarf_Op loc_aggregate[] = |
| 385 | + { |
| 386 | + { .atom = DW_OP_breg9, .number = 0 } |
| 387 | + }; |
| 388 | +#define nloc_aggregate 1 |
| 389 | + |
| 390 | +int |
| 391 | +m68k_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp) |
| 392 | +{ |
| 393 | + Dwarf_Word size; |
| 394 | + |
| 395 | + /* Start with the function's type, and get the DW_AT_type attribute, |
| 396 | + which is the type of the return value. */ |
| 397 | + |
| 398 | + Dwarf_Attribute attr_mem; |
| 399 | + Dwarf_Attribute *attr = dwarf_attr_integrate (functypedie, DW_AT_type, |
| 400 | + &attr_mem); |
| 401 | + if (attr == NULL) |
| 402 | + /* The function has no return value, like a `void' function in C. */ |
| 403 | + return 0; |
| 404 | + |
| 405 | + Dwarf_Die die_mem; |
| 406 | + Dwarf_Die *typedie = dwarf_formref_die (attr, &die_mem); |
| 407 | + int tag = dwarf_tag (typedie); |
| 408 | + |
| 409 | + /* Follow typedefs and qualifiers to get to the actual type. */ |
| 410 | + while (tag == DW_TAG_typedef |
| 411 | + || tag == DW_TAG_const_type || tag == DW_TAG_volatile_type |
| 412 | + || tag == DW_TAG_restrict_type) |
| 413 | + { |
| 414 | + attr = dwarf_attr_integrate (typedie, DW_AT_type, &attr_mem); |
| 415 | + typedie = dwarf_formref_die (attr, &die_mem); |
| 416 | + tag = dwarf_tag (typedie); |
| 417 | + } |
| 418 | + |
| 419 | + switch (tag) |
| 420 | + { |
| 421 | + case -1: |
| 422 | + return -1; |
| 423 | + |
| 424 | + case DW_TAG_subrange_type: |
| 425 | + if (! dwarf_hasattr_integrate (typedie, DW_AT_byte_size)) |
| 426 | + { |
| 427 | + attr = dwarf_attr_integrate (typedie, DW_AT_type, &attr_mem); |
| 428 | + typedie = dwarf_formref_die (attr, &die_mem); |
| 429 | + tag = dwarf_tag (typedie); |
| 430 | + } |
| 431 | + /* Fall through. */ |
| 432 | + |
| 433 | + case DW_TAG_base_type: |
| 434 | + case DW_TAG_enumeration_type: |
| 435 | + case DW_TAG_pointer_type: |
| 436 | + case DW_TAG_ptr_to_member_type: |
| 437 | + if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size, |
| 438 | + &attr_mem), &size) != 0) |
| 439 | + { |
| 440 | + if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type) |
| 441 | + size = 4; |
| 442 | + else |
| 443 | + return -1; |
| 444 | + } |
| 445 | + if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type) |
| 446 | + { |
| 447 | + *locp = loc_ptrreg; |
| 448 | + return nloc_ptrreg; |
| 449 | + } |
| 450 | + if (tag == DW_TAG_base_type) |
| 451 | + { |
| 452 | + Dwarf_Word encoding; |
| 453 | + if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_encoding, |
| 454 | + &attr_mem), |
| 455 | + &encoding) != 0) |
| 456 | + return -1; |
| 457 | + if (encoding == DW_ATE_float) |
| 458 | + { |
| 459 | + /* XXX really 10? */ |
| 460 | + if (size > 10) |
| 461 | + return -2; |
| 462 | + *locp = loc_fpreg; |
| 463 | + return nloc_fpreg; |
| 464 | + } |
| 465 | + } |
| 466 | + if (size <= 8) |
| 467 | + { |
| 468 | + intreg: |
| 469 | + /* XXX check endianness of dword pair, int64 vs aggregate */ |
| 470 | + *locp = loc_intreg; |
| 471 | + return size <= 4 ? nloc_intreg : nloc_intregpair; |
| 472 | + } |
| 473 | + |
| 474 | + aggregate: |
| 475 | + *locp = loc_aggregate; |
| 476 | + return nloc_aggregate; |
| 477 | + |
| 478 | + case DW_TAG_structure_type: |
| 479 | + case DW_TAG_class_type: |
| 480 | + case DW_TAG_union_type: |
| 481 | + case DW_TAG_array_type: |
| 482 | + if (dwarf_aggregate_size (typedie, &size) == 0 |
| 483 | + && size > 0 && size <= 8) |
| 484 | + /* not accurate for a struct whose only member is a float */ |
| 485 | + goto intreg; |
| 486 | + goto aggregate; |
| 487 | + } |
| 488 | + |
| 489 | + /* XXX We don't have a good way to return specific errors from ebl calls. |
| 490 | + This value means we do not understand the type, but it is well-formed |
| 491 | + DWARF and might be valid. */ |
| 492 | + return -2; |
| 493 | +} |