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gerrit.openbmc.org / stefanberger / openbmc / a9ff2b33c004367b3dbded5d54d7a272ed76f68f / . / meta-xilinx / meta-microblaze / recipes-devtools / gdb / gdb / 0015-intial-commit-of-MB-64-bit.patch
blob: bda74adc41f2d919931f31ce639884681fa107d2 [file] [log] [blame]
From 48e5b2505d97ca936e9946c3945c72bdcfc1743e Mon Sep 17 00:00:00 2001
From: Nagaraju Mekala <nmekala@xilix.com>
Date: Sun, 30 Sep 2018 16:28:28 +0530
Subject: [PATCH 15/40] intial commit of MB 64-bit
---
bfd/Makefile.am | 2 +
bfd/Makefile.in | 3 +
bfd/config.bfd | 4 +
bfd/configure | 2 +
bfd/configure.ac | 2 +
bfd/cpu-microblaze.c | 55 +-
bfd/doc/Makefile.in | 1 +
bfd/elf64-microblaze.c | 3560 ++++++++++++++++++++++++++++
bfd/targets.c | 6 +
include/elf/common.h | 1 +
ld/Makefile.am | 4 +
ld/Makefile.in | 7 +
ld/configure.tgt | 3 +
ld/emulparams/elf64microblaze.sh | 23 +
ld/emulparams/elf64microblazeel.sh | 23 +
opcodes/microblaze-dis.c | 43 +-
opcodes/microblaze-opc.h | 162 +-
opcodes/microblaze-opcm.h | 20 +-
20 files changed, 4156 insertions(+), 43 deletions(-)
create mode 100644 bfd/elf64-microblaze.c
create mode 100644 ld/emulparams/elf64microblaze.sh
create mode 100644 ld/emulparams/elf64microblazeel.sh
diff --git a/bfd/Makefile.am b/bfd/Makefile.am
index e5bd28f03f5..35ecb83a1a1 100644
--- a/bfd/Makefile.am
+++ b/bfd/Makefile.am
@@ -558,6 +558,7 @@ BFD64_BACKENDS = \
elf64-ia64.lo \
elf64-ia64-vms.lo \
elfxx-ia64.lo \
+ elf64-microblaze.lo \
elfn32-mips.lo \
elf64-mips.lo \
elfxx-mips.lo \
@@ -597,6 +598,7 @@ BFD64_BACKENDS_CFILES = \
elf64-gen.c \
elf64-hppa.c \
elf64-ia64-vms.c \
+ elf64-microblaze.c \
elf64-mips.c \
elf64-mmix.c \
elf64-nfp.c \
diff --git a/bfd/Makefile.in b/bfd/Makefile.in
index 15334f10c55..89a2470ec8f 100644
--- a/bfd/Makefile.in
+++ b/bfd/Makefile.in
@@ -984,6 +984,7 @@ BFD64_BACKENDS = \
elf64-ia64.lo \
elf64-ia64-vms.lo \
elfxx-ia64.lo \
+ elf64-microblaze.lo \
elfn32-mips.lo \
elf64-mips.lo \
elfxx-mips.lo \
@@ -1023,6 +1024,7 @@ BFD64_BACKENDS_CFILES = \
elf64-gen.c \
elf64-hppa.c \
elf64-ia64-vms.c \
+ elf64-microblaze.c \
elf64-mips.c \
elf64-mmix.c \
elf64-nfp.c \
@@ -1504,6 +1506,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-hppa.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-ia64-vms.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-ia64.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-microblaze.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-mips.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-mmix.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-nfp.Plo@am__quote@
diff --git a/bfd/config.bfd b/bfd/config.bfd
index 0a96927e0ed..1fcae568c36 100644
--- a/bfd/config.bfd
+++ b/bfd/config.bfd
@@ -842,11 +842,15 @@ case "${targ}" in
microblazeel*-*)
targ_defvec=microblaze_elf32_le_vec
targ_selvecs=microblaze_elf32_vec
+ targ64_selvecs=microblaze_elf64_vec
+ targ64_selvecs=microblaze_elf64_le_vec
;;
microblaze*-*)
targ_defvec=microblaze_elf32_vec
targ_selvecs=microblaze_elf32_le_vec
+ targ64_selvecs=microblaze_elf64_vec
+ targ64_selvecs=microblaze_elf64_le_vec
;;
#ifdef BFD64
diff --git a/bfd/configure b/bfd/configure
index abd7b2a83e5..731c059eba0 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -14804,6 +14804,8 @@ do
metag_elf32_vec) tb="$tb elf32-metag.lo elf32.lo $elf" ;;
microblaze_elf32_vec) tb="$tb elf32-microblaze.lo elf32.lo $elf" ;;
microblaze_elf32_le_vec) tb="$tb elf32-microblaze.lo elf32.lo $elf" ;;
+ microblaze_elf64_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;;
+ microblaze_elf64_le_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;;
mips_ecoff_be_vec) tb="$tb coff-mips.lo ecoff.lo $ecoff" ;;
mips_ecoff_le_vec) tb="$tb coff-mips.lo ecoff.lo $ecoff" ;;
mips_ecoff_bele_vec) tb="$tb coff-mips.lo ecoff.lo $ecoff" ;;
diff --git a/bfd/configure.ac b/bfd/configure.ac
index 7eee83ae4d4..b87f6183b98 100644
--- a/bfd/configure.ac
+++ b/bfd/configure.ac
@@ -540,6 +540,8 @@ do
metag_elf32_vec) tb="$tb elf32-metag.lo elf32.lo $elf" ;;
microblaze_elf32_vec) tb="$tb elf32-microblaze.lo elf32.lo $elf" ;;
microblaze_elf32_le_vec) tb="$tb elf32-microblaze.lo elf32.lo $elf" ;;
+ microblaze_elf64_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;;
+ microblaze_elf64_le_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;;
mips_ecoff_be_vec) tb="$tb coff-mips.lo ecoff.lo $ecoff" ;;
mips_ecoff_le_vec) tb="$tb coff-mips.lo ecoff.lo $ecoff" ;;
mips_ecoff_bele_vec) tb="$tb coff-mips.lo ecoff.lo $ecoff" ;;
diff --git a/bfd/cpu-microblaze.c b/bfd/cpu-microblaze.c
index 4e05d73f01b..4b48b310c6a 100644
--- a/bfd/cpu-microblaze.c
+++ b/bfd/cpu-microblaze.c
@@ -23,7 +23,25 @@
#include "bfd.h"
#include "libbfd.h"
-const bfd_arch_info_type bfd_microblaze_arch =
+const bfd_arch_info_type bfd_microblaze_arch[] =
+{
+#if BFD_DEFAULT_TARGET_SIZE == 64
+{
+ 64, /* 32 bits in a word. */
+ 64, /* 32 bits in an address. */
+ 8, /* 8 bits in a byte. */
+ bfd_arch_microblaze, /* Architecture. */
+ 0, /* Machine number - 0 for now. */
+ "microblaze", /* Architecture name. */
+ "MicroBlaze", /* Printable name. */
+ 3, /* Section align power. */
+ FALSE, /* Is this the default architecture ? */
+ bfd_default_compatible, /* Architecture comparison function. */
+ bfd_default_scan, /* String to architecture conversion. */
+ bfd_arch_default_fill, /* Default fill. */
+ &bfd_microblaze_arch[1], /* Next in list. */
+ 0 /* Maximum offset of a reloc from the start of an insn. */
+},
{
32, /* Bits in a word. */
32, /* Bits in an address. */
@@ -39,4 +57,39 @@ const bfd_arch_info_type bfd_microblaze_arch =
bfd_arch_default_fill, /* Default fill. */
NULL, /* Next in list. */
0 /* Maximum offset of a reloc from the start of an insn. */
+}
+#else
+{
+ 32, /* 32 bits in a word. */
+ 32, /* 32 bits in an address. */
+ 8, /* 8 bits in a byte. */
+ bfd_arch_microblaze, /* Architecture. */
+ 0, /* Machine number - 0 for now. */
+ "microblaze", /* Architecture name. */
+ "MicroBlaze", /* Printable name. */
+ 3, /* Section align power. */
+ TRUE, /* Is this the default architecture ? */
+ bfd_default_compatible, /* Architecture comparison function. */
+ bfd_default_scan, /* String to architecture conversion. */
+ bfd_arch_default_fill, /* Default fill. */
+ &bfd_microblaze_arch[1], /* Next in list. */
+ 0 /* Maximum offset of a reloc from the start of an insn. */
+},
+{
+ 64, /* 32 bits in a word. */
+ 64, /* 32 bits in an address. */
+ 8, /* 8 bits in a byte. */
+ bfd_arch_microblaze, /* Architecture. */
+ 0, /* Machine number - 0 for now. */
+ "microblaze", /* Architecture name. */
+ "MicroBlaze", /* Printable name. */
+ 3, /* Section align power. */
+ FALSE, /* Is this the default architecture ? */
+ bfd_default_compatible, /* Architecture comparison function. */
+ bfd_default_scan, /* String to architecture conversion. */
+ bfd_arch_default_fill, /* Default fill. */
+ NULL, /* Next in list. */
+ 0 /* Maximum offset of a reloc from the start of an insn. */
+}
+#endif
};
diff --git a/bfd/doc/Makefile.in b/bfd/doc/Makefile.in
index 0115dfc406c..d75411d2af7 100644
--- a/bfd/doc/Makefile.in
+++ b/bfd/doc/Makefile.in
@@ -375,6 +375,7 @@ pdfdir = @pdfdir@
prefix = @prefix@
program_transform_name = @program_transform_name@
psdir = @psdir@
+runstatedir = @runstatedir@
sbindir = @sbindir@
sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
diff --git a/bfd/elf64-microblaze.c b/bfd/elf64-microblaze.c
new file mode 100644
index 00000000000..fa4b95e47e0
--- /dev/null
+++ b/bfd/elf64-microblaze.c
@@ -0,0 +1,3560 @@
+/* Xilinx MicroBlaze-specific support for 32-bit ELF
+
+ Copyright (C) 2009-2016 Free Software Foundation, Inc.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+ Boston, MA 02110-1301, USA. */
+
+
+int dbg1 = 0;
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "bfdlink.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+#include "elf/microblaze.h"
+#include <assert.h>
+
+#define USE_RELA /* Only USE_REL is actually significant, but this is
+ here are a reminder... */
+#define INST_WORD_SIZE 4
+
+static int ro_small_data_pointer = 0;
+static int rw_small_data_pointer = 0;
+
+static reloc_howto_type * microblaze_elf_howto_table [(int) R_MICROBLAZE_max];
+
+static reloc_howto_type microblaze_elf_howto_raw[] =
+{
+ /* This reloc does nothing. */
+ HOWTO (R_MICROBLAZE_NONE, /* Type. */
+ 0, /* Rightshift. */
+ 3, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ NULL, /* Special Function. */
+ "R_MICROBLAZE_NONE", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* A standard 32 bit relocation. */
+ HOWTO (R_MICROBLAZE_32, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 32, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_bitfield, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_32", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0xffffffff, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* A standard PCREL 32 bit relocation. */
+ HOWTO (R_MICROBLAZE_32_PCREL,/* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 32, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_bitfield, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_32_PCREL", /* Name. */
+ TRUE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0xffffffff, /* Dest Mask. */
+ TRUE), /* PC relative offset? */
+
+ /* A 64 bit PCREL relocation. Table-entry not really used. */
+ HOWTO (R_MICROBLAZE_64_PCREL,/* Type. */
+ 0, /* Rightshift. */
+ 4, /* Size (0 = byte, 1 = short, 2 = long). */
+ 64, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_64_PCREL", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ TRUE), /* PC relative offset? */
+
+ /* The low half of a PCREL 32 bit relocation. */
+ HOWTO (R_MICROBLAZE_32_PCREL_LO, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain on overflow. */
+ bfd_elf_generic_reloc, /* Special Function. */
+ "R_MICROBLAZE_32_PCREL_LO", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ TRUE), /* PC relative offset? */
+
+ /* A 64 bit relocation. Table entry not really used. */
+ HOWTO (R_MICROBLAZE_64, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_64", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* The low half of a 32 bit relocation. */
+ HOWTO (R_MICROBLAZE_32_LO, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_32_LO", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* Read-only small data section relocation. */
+ HOWTO (R_MICROBLAZE_SRO32, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_bitfield, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_SRO32", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* Read-write small data area relocation. */
+ HOWTO (R_MICROBLAZE_SRW32, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_bitfield, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_SRW32", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ HOWTO (R_MICROBLAZE_32_NONE, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 32, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_bitfield, /* Complain on overflow. */
+ NULL, /* Special Function. */
+ "R_MICROBLAZE_32_NONE",/* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* This reloc does nothing. Used for relaxation. */
+ HOWTO (R_MICROBLAZE_64_NONE, /* Type. */
+ 0, /* Rightshift. */
+ 3, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ NULL, /* Special Function. */
+ "R_MICROBLAZE_64_NONE",/* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* Symbol Op Symbol relocation. */
+ HOWTO (R_MICROBLAZE_32_SYM_OP_SYM, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 32, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_bitfield, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_32_SYM_OP_SYM", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0xffffffff, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* GNU extension to record C++ vtable hierarchy. */
+ HOWTO (R_MICROBLAZE_GNU_VTINHERIT, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont,/* Complain on overflow. */
+ NULL, /* Special Function. */
+ "R_MICROBLAZE_GNU_VTINHERIT", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* GNU extension to record C++ vtable member usage. */
+ HOWTO (R_MICROBLAZE_GNU_VTENTRY, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont,/* Complain on overflow. */
+ _bfd_elf_rel_vtable_reloc_fn, /* Special Function. */
+ "R_MICROBLAZE_GNU_VTENTRY", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* A 64 bit GOTPC relocation. Table-entry not really used. */
+ HOWTO (R_MICROBLAZE_GOTPC_64, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc, /* Special Function. */
+ "R_MICROBLAZE_GOTPC_64", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ TRUE), /* PC relative offset? */
+
+ /* A 64 bit GOT relocation. Table-entry not really used. */
+ HOWTO (R_MICROBLAZE_GOT_64, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_GOT_64",/* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* A 64 bit PLT relocation. Table-entry not really used. */
+ HOWTO (R_MICROBLAZE_PLT_64, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_PLT_64",/* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ TRUE), /* PC relative offset? */
+
+ /* Table-entry not really used. */
+ HOWTO (R_MICROBLAZE_REL, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_REL", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ TRUE), /* PC relative offset? */
+
+ /* Table-entry not really used. */
+ HOWTO (R_MICROBLAZE_JUMP_SLOT,/* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_JUMP_SLOT", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ TRUE), /* PC relative offset? */
+
+ /* Table-entry not really used. */
+ HOWTO (R_MICROBLAZE_GLOB_DAT,/* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_GLOB_DAT", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ TRUE), /* PC relative offset? */
+
+ /* A 64 bit GOT relative relocation. Table-entry not really used. */
+ HOWTO (R_MICROBLAZE_GOTOFF_64, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_GOTOFF_64", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* A 32 bit GOT relative relocation. Table-entry not really used. */
+ HOWTO (R_MICROBLAZE_GOTOFF_32, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc, /* Special Function. */
+ "R_MICROBLAZE_GOTOFF_32", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* COPY relocation. Table-entry not really used. */
+ HOWTO (R_MICROBLAZE_COPY, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain on overflow. */
+ bfd_elf_generic_reloc,/* Special Function. */
+ "R_MICROBLAZE_COPY", /* Name. */
+ FALSE, /* Partial Inplace. */
+ 0, /* Source Mask. */
+ 0x0000ffff, /* Dest Mask. */
+ FALSE), /* PC relative offset? */
+
+ /* Marker relocs for TLS. */
+ HOWTO (R_MICROBLAZE_TLS,
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MICROBLAZE_TLS", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_MICROBLAZE_TLSGD,
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MICROBLAZE_TLSGD", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_MICROBLAZE_TLSLD,
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MICROBLAZE_TLSLD", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Computes the load module index of the load module that contains the
+ definition of its TLS sym. */
+ HOWTO (R_MICROBLAZE_TLSDTPMOD32,
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MICROBLAZE_TLSDTPMOD32", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Computes a dtv-relative displacement, the difference between the value
+ of sym+add and the base address of the thread-local storage block that
+ contains the definition of sym, minus 0x8000. Used for initializing GOT */
+ HOWTO (R_MICROBLAZE_TLSDTPREL32,
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MICROBLAZE_TLSDTPREL32", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Computes a dtv-relative displacement, the difference between the value
+ of sym+add and the base address of the thread-local storage block that
+ contains the definition of sym, minus 0x8000. */
+ HOWTO (R_MICROBLAZE_TLSDTPREL64,
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MICROBLAZE_TLSDTPREL64", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Computes a tp-relative displacement, the difference between the value of
+ sym+add and the value of the thread pointer (r13). */
+ HOWTO (R_MICROBLAZE_TLSGOTTPREL32,
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MICROBLAZE_TLSGOTTPREL32", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Computes a tp-relative displacement, the difference between the value of
+ sym+add and the value of the thread pointer (r13). */
+ HOWTO (R_MICROBLAZE_TLSTPREL32,
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MICROBLAZE_TLSTPREL32", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+};
+
+#ifndef NUM_ELEM
+#define NUM_ELEM(a) (sizeof (a) / sizeof (a)[0])
+#endif
+
+/* Initialize the microblaze_elf_howto_table, so that linear accesses can be done. */
+
+static void
+microblaze_elf_howto_init (void)
+{
+ unsigned int i;
+
+ for (i = NUM_ELEM (microblaze_elf_howto_raw); i--;)
+ {
+ unsigned int type;
+
+ type = microblaze_elf_howto_raw[i].type;
+
+ BFD_ASSERT (type < NUM_ELEM (microblaze_elf_howto_table));
+
+ microblaze_elf_howto_table [type] = & microblaze_elf_howto_raw [i];
+ }
+}
+
+static reloc_howto_type *
+microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
+{
+ enum elf_microblaze_reloc_type microblaze_reloc = R_MICROBLAZE_NONE;
+
+ switch (code)
+ {
+ case BFD_RELOC_NONE:
+ microblaze_reloc = R_MICROBLAZE_NONE;
+ break;
+ case BFD_RELOC_MICROBLAZE_32_NONE:
+ microblaze_reloc = R_MICROBLAZE_32_NONE;
+ break;
+ case BFD_RELOC_MICROBLAZE_64_NONE:
+ microblaze_reloc = R_MICROBLAZE_64_NONE;
+ break;
+ case BFD_RELOC_32:
+ microblaze_reloc = R_MICROBLAZE_32;
+ break;
+ /* RVA is treated the same as 32 */
+ case BFD_RELOC_RVA:
+ microblaze_reloc = R_MICROBLAZE_32;
+ break;
+ case BFD_RELOC_32_PCREL:
+ microblaze_reloc = R_MICROBLAZE_32_PCREL;
+ break;
+ case BFD_RELOC_64_PCREL:
+ microblaze_reloc = R_MICROBLAZE_64_PCREL;
+ break;
+ case BFD_RELOC_MICROBLAZE_32_LO_PCREL:
+ microblaze_reloc = R_MICROBLAZE_32_PCREL_LO;
+ break;
+ case BFD_RELOC_64:
+ microblaze_reloc = R_MICROBLAZE_64;
+ break;
+ case BFD_RELOC_MICROBLAZE_32_LO:
+ microblaze_reloc = R_MICROBLAZE_32_LO;
+ break;
+ case BFD_RELOC_MICROBLAZE_32_ROSDA:
+ microblaze_reloc = R_MICROBLAZE_SRO32;
+ break;
+ case BFD_RELOC_MICROBLAZE_32_RWSDA:
+ microblaze_reloc = R_MICROBLAZE_SRW32;
+ break;
+ case BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM:
+ microblaze_reloc = R_MICROBLAZE_32_SYM_OP_SYM;
+ break;
+ case BFD_RELOC_VTABLE_INHERIT:
+ microblaze_reloc = R_MICROBLAZE_GNU_VTINHERIT;
+ break;
+ case BFD_RELOC_VTABLE_ENTRY:
+ microblaze_reloc = R_MICROBLAZE_GNU_VTENTRY;
+ break;
+ case BFD_RELOC_MICROBLAZE_64_GOTPC:
+ microblaze_reloc = R_MICROBLAZE_GOTPC_64;
+ break;
+ case BFD_RELOC_MICROBLAZE_64_GOT:
+ microblaze_reloc = R_MICROBLAZE_GOT_64;
+ break;
+ case BFD_RELOC_MICROBLAZE_64_PLT:
+ microblaze_reloc = R_MICROBLAZE_PLT_64;
+ break;
+ case BFD_RELOC_MICROBLAZE_64_GOTOFF:
+ microblaze_reloc = R_MICROBLAZE_GOTOFF_64;
+ break;
+ case BFD_RELOC_MICROBLAZE_32_GOTOFF:
+ microblaze_reloc = R_MICROBLAZE_GOTOFF_32;
+ break;
+ case BFD_RELOC_MICROBLAZE_64_TLSGD:
+ microblaze_reloc = R_MICROBLAZE_TLSGD;
+ break;
+ case BFD_RELOC_MICROBLAZE_64_TLSLD:
+ microblaze_reloc = R_MICROBLAZE_TLSLD;
+ break;
+ case BFD_RELOC_MICROBLAZE_32_TLSDTPREL:
+ microblaze_reloc = R_MICROBLAZE_TLSDTPREL32;
+ break;
+ case BFD_RELOC_MICROBLAZE_64_TLSDTPREL:
+ microblaze_reloc = R_MICROBLAZE_TLSDTPREL64;
+ break;
+ case BFD_RELOC_MICROBLAZE_32_TLSDTPMOD:
+ microblaze_reloc = R_MICROBLAZE_TLSDTPMOD32;
+ break;
+ case BFD_RELOC_MICROBLAZE_64_TLSGOTTPREL:
+ microblaze_reloc = R_MICROBLAZE_TLSGOTTPREL32;
+ break;
+ case BFD_RELOC_MICROBLAZE_64_TLSTPREL:
+ microblaze_reloc = R_MICROBLAZE_TLSTPREL32;
+ break;
+ case BFD_RELOC_MICROBLAZE_COPY:
+ microblaze_reloc = R_MICROBLAZE_COPY;
+ break;
+ default:
+ return (reloc_howto_type *) NULL;
+ }
+
+ if (!microblaze_elf_howto_table [R_MICROBLAZE_32])
+ /* Initialize howto table if needed. */
+ microblaze_elf_howto_init ();
+
+ return microblaze_elf_howto_table [(int) microblaze_reloc];
+};
+
+static reloc_howto_type *
+microblaze_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0; i < NUM_ELEM (microblaze_elf_howto_raw); i++)
+ if (microblaze_elf_howto_raw[i].name != NULL
+ && strcasecmp (microblaze_elf_howto_raw[i].name, r_name) == 0)
+ return &microblaze_elf_howto_raw[i];
+
+ return NULL;
+}
+
+/* Set the howto pointer for a RCE ELF reloc. */
+
+static bfd_boolean
+microblaze_elf_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED,
+ arelent * cache_ptr,
+ Elf_Internal_Rela * dst)
+{
+ unsigned int r_type;
+
+ if (!microblaze_elf_howto_table [R_MICROBLAZE_32])
+ /* Initialize howto table if needed. */
+ microblaze_elf_howto_init ();
+
+ r_type = ELF64_R_TYPE (dst->r_info);
+ if (r_type >= R_MICROBLAZE_max)
+ {
+ (*_bfd_error_handler) (_("%pB: unrecognised MicroBlaze reloc number: %d"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
+ cache_ptr->howto = microblaze_elf_howto_table [r_type];
+ return TRUE;
+}
+
+/* Microblaze ELF local labels start with 'L.' or '$L', not '.L'. */
+
+static bfd_boolean
+microblaze_elf_is_local_label_name (bfd *abfd, const char *name)
+{
+ if (name[0] == 'L' && name[1] == '.')
+ return TRUE;
+
+ if (name[0] == '$' && name[1] == 'L')
+ return TRUE;
+
+ /* With gcc, the labels go back to starting with '.', so we accept
+ the generic ELF local label syntax as well. */
+ return _bfd_elf_is_local_label_name (abfd, name);
+}
+
+/* The microblaze linker (like many others) needs to keep track of
+ the number of relocs that it decides to copy as dynamic relocs in
+ check_relocs for each symbol. This is so that it can later discard
+ them if they are found to be unnecessary. We store the information
+ in a field extending the regular ELF linker hash table. */
+
+struct elf64_mb_dyn_relocs
+{
+ struct elf64_mb_dyn_relocs *next;
+
+ /* The input section of the reloc. */
+ asection *sec;
+
+ /* Total number of relocs copied for the input section. */
+ bfd_size_type count;
+
+ /* Number of pc-relative relocs copied for the input section. */
+ bfd_size_type pc_count;
+};
+
+/* ELF linker hash entry. */
+
+struct elf64_mb_link_hash_entry
+{
+ struct elf_link_hash_entry elf;
+
+ /* Track dynamic relocs copied for this symbol. */
+ struct elf64_mb_dyn_relocs *dyn_relocs;
+
+ /* TLS Reference Types for the symbol; Updated by check_relocs */
+#define TLS_GD 1 /* GD reloc. */
+#define TLS_LD 2 /* LD reloc. */
+#define TLS_TPREL 4 /* TPREL reloc, => IE. */
+#define TLS_DTPREL 8 /* DTPREL reloc, => LD. */
+#define TLS_TLS 16 /* Any TLS reloc. */
+ unsigned char tls_mask;
+
+};
+
+#define IS_TLS_GD(x) (x == (TLS_TLS | TLS_GD))
+#define IS_TLS_LD(x) (x == (TLS_TLS | TLS_LD))
+#define IS_TLS_DTPREL(x) (x == (TLS_TLS | TLS_DTPREL))
+#define IS_TLS_NONE(x) (x == 0)
+
+#define elf64_mb_hash_entry(ent) ((struct elf64_mb_link_hash_entry *)(ent))
+
+/* ELF linker hash table. */
+
+struct elf64_mb_link_hash_table
+{
+ struct elf_link_hash_table elf;
+
+ /* Short-cuts to get to dynamic linker sections. */
+ asection *sgot;
+ asection *sgotplt;
+ asection *srelgot;
+ asection *splt;
+ asection *srelplt;
+ asection *sdynbss;
+ asection *srelbss;
+
+ /* Small local sym to section mapping cache. */
+ struct sym_cache sym_sec;
+
+ /* TLS Local Dynamic GOT Entry */
+ union {
+ bfd_signed_vma refcount;
+ bfd_vma offset;
+ } tlsld_got;
+};
+
+/* Nonzero if this section has TLS related relocations. */
+#define has_tls_reloc sec_flg0
+
+/* Get the ELF linker hash table from a link_info structure. */
+
+#define elf64_mb_hash_table(p) \
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == MICROBLAZE_ELF_DATA ? ((struct elf64_mb_link_hash_table *) ((p)->hash)) : NULL)
+
+/* Create an entry in a microblaze ELF linker hash table. */
+
+static struct bfd_hash_entry *
+link_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
+{
+ /* Allocate the structure if it has not already been allocated by a
+ subclass. */
+ if (entry == NULL)
+ {
+ entry = bfd_hash_allocate (table,
+ sizeof (struct elf64_mb_link_hash_entry));
+ if (entry == NULL)
+ return entry;
+ }
+
+ /* Call the allocation method of the superclass. */
+ entry = _bfd_elf_link_hash_newfunc (entry, table, string);
+ if (entry != NULL)
+ {
+ struct elf64_mb_link_hash_entry *eh;
+
+ eh = (struct elf64_mb_link_hash_entry *) entry;
+ eh->dyn_relocs = NULL;
+ eh->tls_mask = 0;
+ }
+
+ return entry;
+}
+
+/* Create a mb ELF linker hash table. */
+
+static struct bfd_link_hash_table *
+microblaze_elf_link_hash_table_create (bfd *abfd)
+{
+ struct elf64_mb_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct elf64_mb_link_hash_table);
+
+ ret = (struct elf64_mb_link_hash_table *) bfd_zmalloc (amt);
+ if (ret == NULL)
+ return NULL;
+
+ if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
+ sizeof (struct elf64_mb_link_hash_entry),
+ MICROBLAZE_ELF_DATA))
+ {
+ free (ret);
+ return NULL;
+ }
+
+ return &ret->elf.root;
+}
+
+/* Set the values of the small data pointers. */
+
+static void
+microblaze_elf_final_sdp (struct bfd_link_info *info)
+{
+ struct bfd_link_hash_entry *h;
+
+ h = bfd_link_hash_lookup (info->hash, RO_SDA_ANCHOR_NAME, FALSE, FALSE, TRUE);
+ if (h != (struct bfd_link_hash_entry *) NULL
+ && h->type == bfd_link_hash_defined)
+ ro_small_data_pointer = (h->u.def.value
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
+
+ h = bfd_link_hash_lookup (info->hash, RW_SDA_ANCHOR_NAME, FALSE, FALSE, TRUE);
+ if (h != (struct bfd_link_hash_entry *) NULL
+ && h->type == bfd_link_hash_defined)
+ rw_small_data_pointer = (h->u.def.value
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
+}
+
+static bfd_vma
+dtprel_base (struct bfd_link_info *info)
+{
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (elf_hash_table (info)->tls_sec == NULL)
+ return 0;
+ return elf_hash_table (info)->tls_sec->vma;
+}
+
+/* The size of the thread control block. */
+#define TCB_SIZE 8
+
+/* Output a simple dynamic relocation into SRELOC. */
+
+static void
+microblaze_elf_output_dynamic_relocation (bfd *output_bfd,
+ asection *sreloc,
+ unsigned long reloc_index,
+ unsigned long indx,
+ int r_type,
+ bfd_vma offset,
+ bfd_vma addend)
+{
+
+ Elf_Internal_Rela rel;
+
+ rel.r_info = ELF64_R_INFO (indx, r_type);
+ rel.r_offset = offset;
+ rel.r_addend = addend;
+
+ bfd_elf64_swap_reloca_out (output_bfd, &rel,
+ (sreloc->contents + reloc_index * sizeof (Elf64_External_Rela)));
+}
+
+/* This code is taken from elf64-m32r.c
+ There is some attempt to make this function usable for many architectures,
+ both USE_REL and USE_RELA ['twould be nice if such a critter existed],
+ if only to serve as a learning tool.
+
+ The RELOCATE_SECTION function is called by the new ELF backend linker
+ to handle the relocations for a section.
+
+ The relocs are always passed as Rela structures; if the section
+ actually uses Rel structures, the r_addend field will always be
+ zero.
+
+ This function is responsible for adjust the section contents as
+ necessary, and (if using Rela relocs and generating a
+ relocatable output file) adjusting the reloc addend as
+ necessary.
+
+ This function does not have to worry about setting the reloc
+ address or the reloc symbol index.
+
+ LOCAL_SYMS is a pointer to the swapped in local symbols.
+
+ LOCAL_SECTIONS is an array giving the section in the input file
+ corresponding to the st_shndx field of each local symbol.
+
+ The global hash table entry for the global symbols can be found
+ via elf_sym_hashes (input_bfd).
+
+ When generating relocatable output, this function must handle
+ STB_LOCAL/STT_SECTION symbols specially. The output symbol is
+ going to be the section symbol corresponding to the output
+ section, which means that the addend must be adjusted
+ accordingly. */
+
+static bfd_boolean
+microblaze_elf_relocate_section (bfd *output_bfd,
+ struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ Elf_Internal_Rela *relocs,
+ Elf_Internal_Sym *local_syms,
+ asection **local_sections)
+{
+ struct elf64_mb_link_hash_table *htab;
+ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
+ Elf_Internal_Rela *rel, *relend;
+ int endian = (bfd_little_endian (output_bfd)) ? 0 : 2;
+ /* Assume success. */
+ bfd_boolean ret = TRUE;
+ asection *sreloc;
+ bfd_vma *local_got_offsets;
+ unsigned int tls_type;
+
+ if (!microblaze_elf_howto_table[R_MICROBLAZE_max-1])
+ microblaze_elf_howto_init ();
+
+ htab = elf64_mb_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ local_got_offsets = elf_local_got_offsets (input_bfd);
+
+ sreloc = elf_section_data (input_section)->sreloc;
+
+ rel = relocs;
+ relend = relocs + input_section->reloc_count;
+ for (; rel < relend; rel++)
+ {
+ int r_type;
+ reloc_howto_type *howto;
+ unsigned long r_symndx;
+ bfd_vma addend = rel->r_addend;
+ bfd_vma offset = rel->r_offset;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+ asection *sec;
+ const char *sym_name;
+ bfd_reloc_status_type r = bfd_reloc_ok;
+ const char *errmsg = NULL;
+ bfd_boolean unresolved_reloc = FALSE;
+
+ h = NULL;
+ r_type = ELF64_R_TYPE (rel->r_info);
+ tls_type = 0;
+
+ if (r_type < 0 || r_type >= (int) R_MICROBLAZE_max)
+ {
+ (*_bfd_error_handler) (_("%s: unknown relocation type %d"),
+ bfd_get_filename (input_bfd), (int) r_type);
+ bfd_set_error (bfd_error_bad_value);
+ ret = FALSE;
+ continue;
+ }
+
+ howto = microblaze_elf_howto_table[r_type];
+ r_symndx = ELF64_R_SYM (rel->r_info);
+
+ if (bfd_link_relocatable (info))
+ {
+ /* This is a relocatable link. We don't have to change
+ anything, unless the reloc is against a section symbol,
+ in which case we have to adjust according to where the
+ section symbol winds up in the output section. */
+ sec = NULL;
+ if (r_symndx >= symtab_hdr->sh_info)
+ /* External symbol. */
+ continue;
+
+ /* Local symbol. */
+ sym = local_syms + r_symndx;
+ sym_name = "<local symbol>";
+ /* STT_SECTION: symbol is associated with a section. */
+ if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
+ /* Symbol isn't associated with a section. Nothing to do. */
+ continue;
+
+ sec = local_sections[r_symndx];
+ addend += sec->output_offset + sym->st_value;
+#ifndef USE_REL
+ /* This can't be done for USE_REL because it doesn't mean anything
+ and elf_link_input_bfd asserts this stays zero. */
+ /* rel->r_addend = addend; */
+#endif
+
+#ifndef USE_REL
+ /* Addends are stored with relocs. We're done. */
+ continue;
+#else /* USE_REL */
+ /* If partial_inplace, we need to store any additional addend
+ back in the section. */
+ if (!howto->partial_inplace)
+ continue;
+ /* ??? Here is a nice place to call a special_function like handler. */
+ r = _bfd_relocate_contents (howto, input_bfd, addend,
+ contents + offset);
+#endif /* USE_REL */
+ }
+ else
+ {
+ bfd_vma relocation;
+
+ /* This is a final link. */
+ sym = NULL;
+ sec = NULL;
+ unresolved_reloc = FALSE;
+
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ /* Local symbol. */
+ sym = local_syms + r_symndx;
+ sec = local_sections[r_symndx];
+ if (sec == 0)
+ continue;
+ sym_name = "<local symbol>";
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+ /* r_addend may have changed if the reference section was
+ a merge section. */
+ addend = rel->r_addend;
+ }
+ else
+ {
+ /* External symbol. */
+ bfd_boolean warned ATTRIBUTE_UNUSED;
+ bfd_boolean ignored ATTRIBUTE_UNUSED;
+
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned, ignored);
+ sym_name = h->root.root.string;
+ }
+
+ /* Sanity check the address. */
+ if (offset > bfd_get_section_limit (input_bfd, input_section))
+ {
+ r = bfd_reloc_outofrange;
+ goto check_reloc;
+ }
+
+ switch ((int) r_type)
+ {
+ case (int) R_MICROBLAZE_SRO32 :
+ {
+ const char *name;
+
+ /* Only relocate if the symbol is defined. */
+ if (sec)
+ {
+ name = bfd_section_name (sec);
+
+ if (strcmp (name, ".sdata2") == 0
+ || strcmp (name, ".sbss2") == 0)
+ {
+ if (ro_small_data_pointer == 0)
+ microblaze_elf_final_sdp (info);
+ if (ro_small_data_pointer == 0)
+ {
+ ret = FALSE;
+ r = bfd_reloc_undefined;
+ goto check_reloc;
+ }
+
+ /* At this point `relocation' contains the object's
+ address. */
+ relocation -= ro_small_data_pointer;
+ /* Now it contains the offset from _SDA2_BASE_. */
+ r = _bfd_final_link_relocate (howto, input_bfd,
+ input_section,
+ contents, offset,
+ relocation, addend);
+ }
+ else
+ {
+ (*_bfd_error_handler) (_("%s: The target (%s) of an %s relocation is in the wrong section (%s)"),
+ bfd_get_filename (input_bfd),
+ sym_name,
+ microblaze_elf_howto_table[(int) r_type]->name,
+ bfd_section_name (sec));
+ /*bfd_set_error (bfd_error_bad_value); ??? why? */
+ ret = FALSE;
+ continue;
+ }
+ }
+ }
+ break;
+
+ case (int) R_MICROBLAZE_SRW32 :
+ {
+ const char *name;
+
+ /* Only relocate if the symbol is defined. */
+ if (sec)
+ {
+ name = bfd_section_name (sec);
+
+ if (strcmp (name, ".sdata") == 0
+ || strcmp (name, ".sbss") == 0)
+ {
+ if (rw_small_data_pointer == 0)
+ microblaze_elf_final_sdp (info);
+ if (rw_small_data_pointer == 0)
+ {
+ ret = FALSE;
+ r = bfd_reloc_undefined;
+ goto check_reloc;
+ }
+
+ /* At this point `relocation' contains the object's
+ address. */
+ relocation -= rw_small_data_pointer;
+ /* Now it contains the offset from _SDA_BASE_. */
+ r = _bfd_final_link_relocate (howto, input_bfd,
+ input_section,
+ contents, offset,
+ relocation, addend);
+ }
+ else
+ {
+ (*_bfd_error_handler) (_("%s: The target (%s) of an %s relocation is in the wrong section (%s)"),
+ bfd_get_filename (input_bfd),
+ sym_name,
+ microblaze_elf_howto_table[(int) r_type]->name,
+ bfd_section_name (sec));
+ /*bfd_set_error (bfd_error_bad_value); ??? why? */
+ ret = FALSE;
+ continue;
+ }
+ }
+ }
+ break;
+
+ case (int) R_MICROBLAZE_32_SYM_OP_SYM:
+ break; /* Do nothing. */
+
+ case (int) R_MICROBLAZE_GOTPC_64:
+ relocation = htab->sgotplt->output_section->vma
+ + htab->sgotplt->output_offset;
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset
+ + offset + INST_WORD_SIZE);
+ relocation += addend;
+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff,
+ contents + offset + endian);
+ bfd_put_16 (input_bfd, relocation & 0xffff,
+ contents + offset + endian + INST_WORD_SIZE);
+ break;
+
+ case (int) R_MICROBLAZE_PLT_64:
+ {
+ bfd_vma immediate;
+ if (htab->splt != NULL && h != NULL
+ && h->plt.offset != (bfd_vma) -1)
+ {
+ relocation = (htab->splt->output_section->vma
+ + htab->splt->output_offset
+ + h->plt.offset);
+ unresolved_reloc = FALSE;
+ immediate = relocation - (input_section->output_section->vma
+ + input_section->output_offset
+ + offset + INST_WORD_SIZE);
+ bfd_put_16 (input_bfd, (immediate >> 16) & 0xffff,
+ contents + offset + endian);
+ bfd_put_16 (input_bfd, immediate & 0xffff,
+ contents + offset + endian + INST_WORD_SIZE);
+ }
+ else
+ {
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset
+ + offset + INST_WORD_SIZE);
+ immediate = relocation;
+ bfd_put_16 (input_bfd, (immediate >> 16) & 0xffff,
+ contents + offset + endian);
+ bfd_put_16 (input_bfd, immediate & 0xffff,
+ contents + offset + endian + INST_WORD_SIZE);
+ }
+ break;
+ }
+
+ case (int) R_MICROBLAZE_TLSGD:
+ tls_type = (TLS_TLS | TLS_GD);
+ goto dogot;
+ case (int) R_MICROBLAZE_TLSLD:
+ tls_type = (TLS_TLS | TLS_LD);
+ /* Fall through. */
+ dogot:
+ case (int) R_MICROBLAZE_GOT_64:
+ {
+ bfd_vma *offp;
+ bfd_vma off, off2;
+ unsigned long indx;
+ bfd_vma static_value;
+
+ bfd_boolean need_relocs = FALSE;
+ if (htab->sgot == NULL)
+ abort ();
+
+ indx = 0;
+ offp = NULL;
+
+ /* 1. Identify GOT Offset;
+ 2. Compute Static Values
+ 3. Process Module Id, Process Offset
+ 4. Fixup Relocation with GOT offset value. */
+
+ /* 1. Determine GOT Offset to use : TLS_LD, global, local */
+ if (IS_TLS_LD (tls_type))
+ offp = &htab->tlsld_got.offset;
+ else if (h != NULL)
+ {
+ if (htab->sgotplt != NULL && h->got.offset != (bfd_vma) -1)
+ offp = &h->got.offset;
+ else
+ abort ();
+ }
+ else
+ {
+ if (local_got_offsets == NULL)
+ abort ();
+ offp = &local_got_offsets[r_symndx];
+ }
+
+ if (!offp)
+ abort ();
+
+ off = (*offp) & ~1;
+ off2 = off;
+
+ if (IS_TLS_LD(tls_type) || IS_TLS_GD(tls_type))
+ off2 = off + 4;
+
+ /* Symbol index to use for relocs */
+ if (h != NULL)
+ {
+ bfd_boolean dyn =
+ elf_hash_table (info)->dynamic_sections_created;
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ h)
+ && (!bfd_link_pic (info)
+ || !SYMBOL_REFERENCES_LOCAL (info, h)))
+ indx = h->dynindx;
+ }
+
+ /* Need to generate relocs ? */
+ if ((bfd_link_pic (info) || indx != 0)
+ && (h == NULL
+ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak))
+ need_relocs = TRUE;
+
+ /* 2. Compute/Emit Static value of r-expression */
+ static_value = relocation + addend;
+
+ /* 3. Process module-id and offset */
+ if (! ((*offp) & 1) )
+ {
+ bfd_vma got_offset;
+
+ got_offset = (htab->sgot->output_section->vma
+ + htab->sgot->output_offset
+ + off);
+
+ /* Process module-id */
+ if (IS_TLS_LD(tls_type))
+ {
+ if (! bfd_link_pic (info))
+ {
+ bfd_put_32 (output_bfd, 1, htab->sgot->contents + off);
+ }
+ else
+ {
+ microblaze_elf_output_dynamic_relocation (output_bfd,
+ htab->srelgot, htab->srelgot->reloc_count++,
+ /* symindex= */ 0, R_MICROBLAZE_TLSDTPMOD32,
+ got_offset, 0);
+ }
+ }
+ else if (IS_TLS_GD(tls_type))
+ {
+ if (! need_relocs)
+ {
+ bfd_put_32 (output_bfd, 1, htab->sgot->contents + off);
+ }
+ else
+ {
+ microblaze_elf_output_dynamic_relocation (output_bfd,
+ htab->srelgot,
+ htab->srelgot->reloc_count++,
+ /* symindex= */ indx, R_MICROBLAZE_TLSDTPMOD32,
+ got_offset, indx ? 0 : static_value);
+ }
+ }
+
+ /* Process Offset */
+ if (htab->srelgot == NULL)
+ abort ();
+
+ got_offset = (htab->sgot->output_section->vma
+ + htab->sgot->output_offset
+ + off2);
+ if (IS_TLS_LD(tls_type))
+ {
+ /* For LD, offset should be 0 */
+ *offp |= 1;
+ bfd_put_32 (output_bfd, 0, htab->sgot->contents + off2);
+ }
+ else if (IS_TLS_GD(tls_type))
+ {
+ *offp |= 1;
+ static_value -= dtprel_base(info);
+ if (need_relocs)
+ {
+ microblaze_elf_output_dynamic_relocation (output_bfd,
+ htab->srelgot, htab->srelgot->reloc_count++,
+ /* symindex= */ indx, R_MICROBLAZE_TLSDTPREL32,
+ got_offset, indx ? 0 : static_value);
+ }
+ else
+ {
+ bfd_put_32 (output_bfd, static_value,
+ htab->sgot->contents + off2);
+ }
+ }
+ else
+ {
+ bfd_put_32 (output_bfd, static_value,
+ htab->sgot->contents + off2);
+
+ /* Relocs for dyn symbols generated by
+ finish_dynamic_symbols */
+ if (bfd_link_pic (info) && h == NULL)
+ {
+ *offp |= 1;
+ microblaze_elf_output_dynamic_relocation (output_bfd,
+ htab->srelgot, htab->srelgot->reloc_count++,
+ /* symindex= */ indx, R_MICROBLAZE_REL,
+ got_offset, static_value);
+ }
+ }
+ }
+
+ /* 4. Fixup Relocation with GOT offset value
+ Compute relative address of GOT entry for applying
+ the current relocation */
+ relocation = htab->sgot->output_section->vma
+ + htab->sgot->output_offset
+ + off
+ - htab->sgotplt->output_section->vma
+ - htab->sgotplt->output_offset;
+
+ /* Apply Current Relocation */
+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff,
+ contents + offset + endian);
+ bfd_put_16 (input_bfd, relocation & 0xffff,
+ contents + offset + endian + INST_WORD_SIZE);
+
+ unresolved_reloc = FALSE;
+ break;
+ }
+
+ case (int) R_MICROBLAZE_GOTOFF_64:
+ {
+ bfd_vma immediate;
+ unsigned short lo, high;
+ relocation += addend;
+ relocation -= htab->sgotplt->output_section->vma
+ + htab->sgotplt->output_offset;
+ /* Write this value into correct location. */
+ immediate = relocation;
+ lo = immediate & 0x0000ffff;
+ high = (immediate >> 16) & 0x0000ffff;
+ bfd_put_16 (input_bfd, high, contents + offset + endian);
+ bfd_put_16 (input_bfd, lo, contents + offset + INST_WORD_SIZE + endian);
+ break;
+ }
+
+ case (int) R_MICROBLAZE_GOTOFF_32:
+ {
+ relocation += addend;
+ relocation -= htab->sgotplt->output_section->vma
+ + htab->sgotplt->output_offset;
+ /* Write this value into correct location. */
+ bfd_put_32 (input_bfd, relocation, contents + offset);
+ break;
+ }
+
+ case (int) R_MICROBLAZE_TLSDTPREL64:
+ relocation += addend;
+ relocation -= dtprel_base(info);
+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff,
+ contents + offset + endian);
+ bfd_put_16 (input_bfd, relocation & 0xffff,
+ contents + offset + endian + INST_WORD_SIZE);
+ break;
+ case (int) R_MICROBLAZE_64_PCREL :
+ case (int) R_MICROBLAZE_64:
+ case (int) R_MICROBLAZE_32:
+ {
+ /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols
+ from removed linkonce sections, or sections discarded by
+ a linker script. */
+ if (r_symndx == STN_UNDEF || (input_section->flags & SEC_ALLOC) == 0)
+ {
+ relocation += addend;
+ if (r_type == R_MICROBLAZE_32)
+ bfd_put_32 (input_bfd, relocation, contents + offset);
+ else
+ {
+ if (r_type == R_MICROBLAZE_64_PCREL)
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset
+ + offset + INST_WORD_SIZE);
+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff,
+ contents + offset + endian);
+ bfd_put_16 (input_bfd, relocation & 0xffff,
+ contents + offset + endian + INST_WORD_SIZE);
+ }
+ break;
+ }
+
+ if ((bfd_link_pic (info)
+ && (h == NULL
+ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak)
+ && (!howto->pc_relative
+ || (h != NULL
+ && h->dynindx != -1
+ && (!info->symbolic
+ || !h->def_regular))))
+ || (!bfd_link_pic (info)
+ && h != NULL
+ && h->dynindx != -1
+ && !h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
+ || h->root.type == bfd_link_hash_undefweak
+ || h->root.type == bfd_link_hash_undefined)))
+ {
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
+ bfd_boolean skip;
+
+ /* When generating a shared object, these relocations
+ are copied into the output file to be resolved at run
+ time. */
+
+ BFD_ASSERT (sreloc != NULL);
+
+ skip = FALSE;
+
+ outrel.r_offset =
+ _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset);
+ if (outrel.r_offset == (bfd_vma) -1)
+ skip = TRUE;
+ else if (outrel.r_offset == (bfd_vma) -2)
+ skip = TRUE;
+ outrel.r_offset += (input_section->output_section->vma
+ + input_section->output_offset);
+
+ if (skip)
+ memset (&outrel, 0, sizeof outrel);
+ /* h->dynindx may be -1 if the symbol was marked to
+ become local. */
+ else if (h != NULL
+ && ((! info->symbolic && h->dynindx != -1)
+ || !h->def_regular))
+ {
+ BFD_ASSERT (h->dynindx != -1);
+ outrel.r_info = ELF64_R_INFO (h->dynindx, r_type);
+ outrel.r_addend = addend;
+ }
+ else
+ {
+ if (r_type == R_MICROBLAZE_32)
+ {
+ outrel.r_info = ELF64_R_INFO (0, R_MICROBLAZE_REL);
+ outrel.r_addend = relocation + addend;
+ }
+ else
+ {
+ BFD_FAIL ();
+ (*_bfd_error_handler)
+ (_("%pB: probably compiled without -fPIC?"),
+ input_bfd);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+ }
+
+ loc = sreloc->contents;
+ loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
+ bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
+ break;
+ }
+ else
+ {
+ relocation += addend;
+ if (r_type == R_MICROBLAZE_32)
+ bfd_put_32 (input_bfd, relocation, contents + offset);
+ else
+ {
+ if (r_type == R_MICROBLAZE_64_PCREL)
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset
+ + offset + INST_WORD_SIZE);
+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff,
+ contents + offset + endian);
+ bfd_put_16 (input_bfd, relocation & 0xffff,
+ contents + offset + endian + INST_WORD_SIZE);
+ }
+ break;
+ }
+ }
+
+ default :
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, offset,
+ relocation, addend);
+ break;
+ }
+ }
+
+ check_reloc:
+
+ if (r != bfd_reloc_ok)
+ {
+ /* FIXME: This should be generic enough to go in a utility. */
+ const char *name;
+
+ if (h != NULL)
+ name = h->root.root.string;
+ else
+ {
+ name = (bfd_elf_string_from_elf_section
+ (input_bfd, symtab_hdr->sh_link, sym->st_name));
+ if (name == NULL || *name == '\0')
+ name = bfd_section_name (sec);
+ }
+
+ if (errmsg != NULL)
+ goto common_error;
+
+ switch (r)
+ {
+ case bfd_reloc_overflow:
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, offset);
+ break;
+
+ case bfd_reloc_undefined:
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, offset, TRUE);
+ break;
+
+ case bfd_reloc_outofrange:
+ errmsg = _("internal error: out of range error");
+ goto common_error;
+
+ case bfd_reloc_notsupported:
+ errmsg = _("internal error: unsupported relocation error");
+ goto common_error;
+
+ case bfd_reloc_dangerous:
+ errmsg = _("internal error: dangerous error");
+ goto common_error;
+
+ default:
+ errmsg = _("internal error: unknown error");
+ /* Fall through. */
+ common_error:
+ (*info->callbacks->warning) (info, errmsg, name, input_bfd,
+ input_section, offset);
+ break;
+ }
+ }
+ }
+
+ return ret;
+}
+
+/* Calculate fixup value for reference. */
+
+static int
+calc_fixup (bfd_vma start, bfd_vma size, asection *sec)
+{
+ bfd_vma end = start + size;
+ int i, fixup = 0;
+
+ if (sec == NULL || sec->relax == NULL)
+ return 0;
+
+ /* Look for addr in relax table, total fixup value. */
+ for (i = 0; i < sec->relax_count; i++)
+ {
+ if (end <= sec->relax[i].addr)
+ break;
+ if ((end != start) && (start > sec->relax[i].addr))
+ continue;
+ fixup += sec->relax[i].size;
+ }
+ return fixup;
+}
+
+/* Read-modify-write into the bfd, an immediate value into appropriate fields of
+ a 32-bit instruction. */
+static void
+microblaze_bfd_write_imm_value_32 (bfd *abfd, bfd_byte *bfd_addr, bfd_vma val)
+{
+ unsigned long instr = bfd_get_32 (abfd, bfd_addr);
+ instr &= ~0x0000ffff;
+ instr |= (val & 0x0000ffff);
+ bfd_put_32 (abfd, instr, bfd_addr);
+}
+
+/* Read-modify-write into the bfd, an immediate value into appropriate fields of
+ two consecutive 32-bit instructions. */
+static void
+microblaze_bfd_write_imm_value_64 (bfd *abfd, bfd_byte *bfd_addr, bfd_vma val)
+{
+ unsigned long instr_hi;
+ unsigned long instr_lo;
+
+ instr_hi = bfd_get_32 (abfd, bfd_addr);
+ instr_hi &= ~0x0000ffff;
+ instr_hi |= ((val >> 16) & 0x0000ffff);
+ bfd_put_32 (abfd, instr_hi, bfd_addr);
+
+ instr_lo = bfd_get_32 (abfd, bfd_addr + INST_WORD_SIZE);
+ instr_lo &= ~0x0000ffff;
+ instr_lo |= (val & 0x0000ffff);
+ bfd_put_32 (abfd, instr_lo, bfd_addr + INST_WORD_SIZE);
+}
+
+static bfd_boolean
+microblaze_elf_relax_section (bfd *abfd,
+ asection *sec,
+ struct bfd_link_info *link_info,
+ bfd_boolean *again)
+{
+ Elf_Internal_Shdr *symtab_hdr;
+ Elf_Internal_Rela *internal_relocs;
+ Elf_Internal_Rela *free_relocs = NULL;
+ Elf_Internal_Rela *irel, *irelend;
+ bfd_byte *contents = NULL;
+ bfd_byte *free_contents = NULL;
+ int rel_count;
+ unsigned int shndx;
+ int i, sym_index;
+ asection *o;
+ struct elf_link_hash_entry *sym_hash;
+ Elf_Internal_Sym *isymbuf, *isymend;
+ Elf_Internal_Sym *isym;
+ int symcount;
+ int offset;
+ bfd_vma src, dest;
+
+ /* We only do this once per section. We may be able to delete some code
+ by running multiple passes, but it is not worth it. */
+ *again = FALSE;
+
+ /* Only do this for a text section. */
+ if (bfd_link_relocatable (link_info)
+ || (sec->flags & SEC_RELOC) == 0
+ || (sec->reloc_count == 0)
+ || (sec->flags & SEC_CODE) == 0)
+ return TRUE;
+
+ BFD_ASSERT ((sec->size > 0) || (sec->rawsize > 0));
+
+ /* If this is the first time we have been called for this section,
+ initialize the cooked size. */
+ if (sec->size == 0)
+ sec->size = sec->rawsize;
+
+ /* Get symbols for this section. */
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
+ symcount = symtab_hdr->sh_size / sizeof (Elf64_External_Sym);
+ if (isymbuf == NULL)
+ isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, symcount,
+ 0, NULL, NULL, NULL);
+ BFD_ASSERT (isymbuf != NULL);
+
+ internal_relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL, link_info->keep_memory);
+ if (internal_relocs == NULL)
+ goto error_return;
+ if (! link_info->keep_memory)
+ free_relocs = internal_relocs;
+
+ sec->relax = (struct relax_table *) bfd_malloc ((sec->reloc_count + 1)
+ * sizeof (struct relax_table));
+ if (sec->relax == NULL)
+ goto error_return;
+ sec->relax_count = 0;
+
+ irelend = internal_relocs + sec->reloc_count;
+ rel_count = 0;
+ for (irel = internal_relocs; irel < irelend; irel++, rel_count++)
+ {
+ bfd_vma symval;
+ if ((ELF64_R_TYPE (irel->r_info) != (int) R_MICROBLAZE_64_PCREL)
+ && (ELF64_R_TYPE (irel->r_info) != (int) R_MICROBLAZE_64 ))
+ continue; /* Can't delete this reloc. */
+
+ /* Get the section contents. */
+ if (contents == NULL)
+ {
+ if (elf_section_data (sec)->this_hdr.contents != NULL)
+ contents = elf_section_data (sec)->this_hdr.contents;
+ else
+ {
+ contents = (bfd_byte *) bfd_malloc (sec->size);
+ if (contents == NULL)
+ goto error_return;
+ free_contents = contents;
+
+ if (!bfd_get_section_contents (abfd, sec, contents,
+ (file_ptr) 0, sec->size))
+ goto error_return;
+ elf_section_data (sec)->this_hdr.contents = contents;
+ }
+ }
+
+ /* Get the value of the symbol referred to by the reloc. */
+ if (ELF64_R_SYM (irel->r_info) < symtab_hdr->sh_info)
+ {
+ /* A local symbol. */
+ asection *sym_sec;
+
+ isym = isymbuf + ELF64_R_SYM (irel->r_info);
+ if (isym->st_shndx == SHN_UNDEF)
+ sym_sec = bfd_und_section_ptr;
+ else if (isym->st_shndx == SHN_ABS)
+ sym_sec = bfd_abs_section_ptr;
+ else if (isym->st_shndx == SHN_COMMON)
+ sym_sec = bfd_com_section_ptr;
+ else
+ sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
+
+ symval = _bfd_elf_rela_local_sym (abfd, isym, &sym_sec, irel);
+ }
+ else
+ {
+ unsigned long indx;
+ struct elf_link_hash_entry *h;
+
+ indx = ELF64_R_SYM (irel->r_info) - symtab_hdr->sh_info;
+ h = elf_sym_hashes (abfd)[indx];
+ BFD_ASSERT (h != NULL);
+
+ if (h->root.type != bfd_link_hash_defined
+ && h->root.type != bfd_link_hash_defweak)
+ /* This appears to be a reference to an undefined
+ symbol. Just ignore it--it will be caught by the
+ regular reloc processing. */
+ continue;
+
+ symval = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ }
+
+ /* If this is a PC-relative reloc, subtract the instr offset from
+ the symbol value. */
+ if (ELF64_R_TYPE (irel->r_info) == (int) R_MICROBLAZE_64_PCREL)
+ {
+ symval = symval + irel->r_addend
+ - (irel->r_offset
+ + sec->output_section->vma
+ + sec->output_offset);
+ }
+ else
+ symval += irel->r_addend;
+
+ if ((symval & 0xffff8000) == 0)
+ {
+ /* We can delete this instruction. */
+ sec->relax[sec->relax_count].addr = irel->r_offset;
+ sec->relax[sec->relax_count].size = INST_WORD_SIZE;
+ sec->relax_count++;
+
+ /* Rewrite relocation type. */
+ switch ((enum elf_microblaze_reloc_type) ELF64_R_TYPE (irel->r_info))
+ {
+ case R_MICROBLAZE_64_PCREL:
+ irel->r_info = ELF64_R_INFO (ELF64_R_SYM (irel->r_info),
+ (int) R_MICROBLAZE_32_PCREL_LO);
+ break;
+ case R_MICROBLAZE_64:
+ irel->r_info = ELF64_R_INFO (ELF64_R_SYM (irel->r_info),
+ (int) R_MICROBLAZE_32_LO);
+ break;
+ default:
+ /* Cannot happen. */
+ BFD_ASSERT (FALSE);
+ }
+ }
+ } /* Loop through all relocations. */
+
+ /* Loop through the relocs again, and see if anything needs to change. */
+ if (sec->relax_count > 0)
+ {
+ shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
+ rel_count = 0;
+ sec->relax[sec->relax_count].addr = sec->size;
+
+ for (irel = internal_relocs; irel < irelend; irel++, rel_count++)
+ {
+ bfd_vma nraddr;
+
+ /* Get the new reloc address. */
+ nraddr = irel->r_offset - calc_fixup (irel->r_offset, 0, sec);
+ switch ((enum elf_microblaze_reloc_type) ELF64_R_TYPE (irel->r_info))
+ {
+ default:
+ break;
+ case R_MICROBLAZE_64_PCREL:
+ break;
+ case R_MICROBLAZE_64:
+ case R_MICROBLAZE_32_LO:
+ /* If this reloc is against a symbol defined in this
+ section, we must check the addend to see it will put the value in
+ range to be adjusted, and hence must be changed. */
+ if (ELF64_R_SYM (irel->r_info) < symtab_hdr->sh_info)
+ {
+ isym = isymbuf + ELF64_R_SYM (irel->r_info);
+ /* Only handle relocs against .text. */
+ if (isym->st_shndx == shndx
+ && ELF64_ST_TYPE (isym->st_info) == STT_SECTION)
+ irel->r_addend -= calc_fixup (irel->r_addend, 0, sec);
+ }
+ break;
+ case R_MICROBLAZE_NONE:
+ case R_MICROBLAZE_32_NONE:
+ {
+ /* This was a PC-relative instruction that was
+ completely resolved. */
+ int sfix, efix;
+ unsigned int val;
+ bfd_vma target_address;
+ target_address = irel->r_addend + irel->r_offset;
+ sfix = calc_fixup (irel->r_offset, 0, sec);
+ efix = calc_fixup (target_address, 0, sec);
+
+ /* Validate the in-band val. */
+ val = bfd_get_32 (abfd, contents + irel->r_offset);
+ if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) {
+ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend);
+ }
+ irel->r_addend -= (efix - sfix);
+ /* Should use HOWTO. */
+ microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset,
+ irel->r_addend);
+ }
+ break;
+ case R_MICROBLAZE_64_NONE:
+ {
+ /* This was a PC-relative 64-bit instruction that was
+ completely resolved. */
+ int sfix, efix;
+ bfd_vma target_address;
+ target_address = irel->r_addend + irel->r_offset + INST_WORD_SIZE;
+ sfix = calc_fixup (irel->r_offset + INST_WORD_SIZE, 0, sec);
+ efix = calc_fixup (target_address, 0, sec);
+ irel->r_addend -= (efix - sfix);
+ microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset
+ + INST_WORD_SIZE, irel->r_addend);
+ }
+ break;
+ }
+ irel->r_offset = nraddr;
+ } /* Change all relocs in this section. */
+
+ /* Look through all other sections. */
+ for (o = abfd->sections; o != NULL; o = o->next)
+ {
+ Elf_Internal_Rela *irelocs;
+ Elf_Internal_Rela *irelscan, *irelscanend;
+ bfd_byte *ocontents;
+
+ if (o == sec
+ || (o->flags & SEC_RELOC) == 0
+ || o->reloc_count == 0)
+ continue;
+
+ /* We always cache the relocs. Perhaps, if info->keep_memory is
+ FALSE, we should free them, if we are permitted to. */
+
+ irelocs = _bfd_elf_link_read_relocs (abfd, o, NULL, NULL, TRUE);
+ if (irelocs == NULL)
+ goto error_return;
+
+ ocontents = NULL;
+ irelscanend = irelocs + o->reloc_count;
+ for (irelscan = irelocs; irelscan < irelscanend; irelscan++)
+ {
+ if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_NONE)
+ {
+ unsigned int val;
+
+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info);
+
+ /* hax: We only do the following fixup for debug location lists. */
+ if (strcmp(".debug_loc", o->name))
+ continue;
+
+ /* This was a PC-relative instruction that was completely resolved. */
+ if (ocontents == NULL)
+ {
+ if (elf_section_data (o)->this_hdr.contents != NULL)
+ ocontents = elf_section_data (o)->this_hdr.contents;
+ else
+ {
+ /* We always cache the section contents.
+ Perhaps, if info->keep_memory is FALSE, we
+ should free them, if we are permitted to. */
+
+ if (o->rawsize == 0)
+ o->rawsize = o->size;
+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize);
+ if (ocontents == NULL)
+ goto error_return;
+ if (!bfd_get_section_contents (abfd, o, ocontents,
+ (file_ptr) 0,
+ o->rawsize))
+ goto error_return;
+ elf_section_data (o)->this_hdr.contents = ocontents;
+ }
+ }
+
+ val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
+ if (val != irelscan->r_addend) {
+ fprintf(stderr, "%d: CORRUPT relax reloc! %x %lx\n", __LINE__, val, irelscan->r_addend);
+ }
+ irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec);
+ microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset,
+ irelscan->r_addend);
+ }
+ if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32)
+ {
+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info);
+
+ /* Look at the reloc only if the value has been resolved. */
+ if (isym->st_shndx == shndx
+ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION))
+ {
+ if (ocontents == NULL)
+ {
+ if (elf_section_data (o)->this_hdr.contents != NULL)
+ ocontents = elf_section_data (o)->this_hdr.contents;
+ else
+ {
+ /* We always cache the section contents.
+ Perhaps, if info->keep_memory is FALSE, we
+ should free them, if we are permitted to. */
+ if (o->rawsize == 0)
+ o->rawsize = o->size;
+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize);
+ if (ocontents == NULL)
+ goto error_return;
+ if (!bfd_get_section_contents (abfd, o, ocontents,
+ (file_ptr) 0,
+ o->rawsize))
+ goto error_return;
+ elf_section_data (o)->this_hdr.contents = ocontents;
+ }
+
+ }
+ irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec);
+ }
+ else if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_SYM_OP_SYM)
+ {
+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info);
+
+ /* Look at the reloc only if the value has been resolved. */
+ if (ocontents == NULL)
+ {
+ if (elf_section_data (o)->this_hdr.contents != NULL)
+ ocontents = elf_section_data (o)->this_hdr.contents;
+ else
+ {
+ /* We always cache the section contents.
+ Perhaps, if info->keep_memory is FALSE, we
+ should free them, if we are permitted to. */
+
+ if (o->rawsize == 0)
+ o->rawsize = o->size;
+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize);
+ if (ocontents == NULL)
+ goto error_return;
+ if (!bfd_get_section_contents (abfd, o, ocontents,
+ (file_ptr) 0,
+ o->rawsize))
+ goto error_return;
+ elf_section_data (o)->this_hdr.contents = ocontents;
+ }
+ }
+ irelscan->r_addend -= calc_fixup (irelscan->r_addend
+ + isym->st_value,
+ 0,
+ sec);
+ }
+ }
+ else if ((ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_PCREL_LO)
+ || (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_LO))
+ {
+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info);
+
+ /* Look at the reloc only if the value has been resolved. */
+ if (isym->st_shndx == shndx
+ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION))
+ {
+ bfd_vma immediate;
+ bfd_vma target_address;
+
+ if (ocontents == NULL)
+ {
+ if (elf_section_data (o)->this_hdr.contents != NULL)
+ ocontents = elf_section_data (o)->this_hdr.contents;
+ else
+ {
+ /* We always cache the section contents.
+ Perhaps, if info->keep_memory is FALSE, we
+ should free them, if we are permitted to. */
+ if (o->rawsize == 0)
+ o->rawsize = o->size;
+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize);
+ if (ocontents == NULL)
+ goto error_return;
+ if (!bfd_get_section_contents (abfd, o, ocontents,
+ (file_ptr) 0,
+ o->rawsize))
+ goto error_return;
+ elf_section_data (o)->this_hdr.contents = ocontents;
+ }
+ }
+
+ unsigned long instr = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
+ immediate = instr & 0x0000ffff;
+ target_address = immediate;
+ offset = calc_fixup (target_address, 0, sec);
+ immediate -= offset;
+ irelscan->r_addend -= offset;
+ microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset,
+ irelscan->r_addend);
+ }
+ }
+
+ if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64)
+ {
+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info);
+
+ /* Look at the reloc only if the value has been resolved. */
+ if (isym->st_shndx == shndx
+ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION))
+ {
+ bfd_vma immediate;
+
+ if (ocontents == NULL)
+ {
+ if (elf_section_data (o)->this_hdr.contents != NULL)
+ ocontents = elf_section_data (o)->this_hdr.contents;
+ else
+ {
+ /* We always cache the section contents.
+ Perhaps, if info->keep_memory is FALSE, we
+ should free them, if we are permitted to. */
+
+ if (o->rawsize == 0)
+ o->rawsize = o->size;
+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize);
+ if (ocontents == NULL)
+ goto error_return;
+ if (!bfd_get_section_contents (abfd, o, ocontents,
+ (file_ptr) 0,
+ o->rawsize))
+ goto error_return;
+ elf_section_data (o)->this_hdr.contents = ocontents;
+ }
+ }
+ unsigned long instr_hi = bfd_get_32 (abfd, ocontents
+ + irelscan->r_offset);
+ unsigned long instr_lo = bfd_get_32 (abfd, ocontents
+ + irelscan->r_offset
+ + INST_WORD_SIZE);
+ immediate = (instr_hi & 0x0000ffff) << 16;
+ immediate |= (instr_lo & 0x0000ffff);
+ offset = calc_fixup (irelscan->r_addend, 0, sec);
+ immediate -= offset;
+ irelscan->r_addend -= offset;
+ }
+ }
+ else if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64_PCREL)
+ {
+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info);
+
+ /* Look at the reloc only if the value has been resolved. */
+ if (isym->st_shndx == shndx
+ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION))
+ {
+ bfd_vma immediate;
+ bfd_vma target_address;
+
+ if (ocontents == NULL)
+ {
+ if (elf_section_data (o)->this_hdr.contents != NULL)
+ ocontents = elf_section_data (o)->this_hdr.contents;
+ else
+ {
+ /* We always cache the section contents.
+ Perhaps, if info->keep_memory is FALSE, we
+ should free them, if we are permitted to. */
+ if (o->rawsize == 0)
+ o->rawsize = o->size;
+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize);
+ if (ocontents == NULL)
+ goto error_return;
+ if (!bfd_get_section_contents (abfd, o, ocontents,
+ (file_ptr) 0,
+ o->rawsize))
+ goto error_return;
+ elf_section_data (o)->this_hdr.contents = ocontents;
+ }
+ }
+ unsigned long instr_hi = bfd_get_32 (abfd, ocontents
+ + irelscan->r_offset);
+ unsigned long instr_lo = bfd_get_32 (abfd, ocontents
+ + irelscan->r_offset
+ + INST_WORD_SIZE);
+ immediate = (instr_hi & 0x0000ffff) << 16;
+ immediate |= (instr_lo & 0x0000ffff);
+ target_address = immediate;
+ offset = calc_fixup (target_address, 0, sec);
+ immediate -= offset;
+ irelscan->r_addend -= offset;
+ microblaze_bfd_write_imm_value_64 (abfd, ocontents
+ + irelscan->r_offset, immediate);
+ }
+ }
+ }
+ }
+
+ /* Adjust the local symbols defined in this section. */
+ isymend = isymbuf + symtab_hdr->sh_info;
+ for (isym = isymbuf; isym < isymend; isym++)
+ {
+ if (isym->st_shndx == shndx)
+ {
+ isym->st_value -= calc_fixup (isym->st_value, 0, sec);
+ if (isym->st_size)
+ isym->st_size -= calc_fixup (isym->st_value, isym->st_size, sec);
+ }
+ }
+
+ /* Now adjust the global symbols defined in this section. */
+ isym = isymbuf + symtab_hdr->sh_info;
+ symcount = (symtab_hdr->sh_size / sizeof (Elf64_External_Sym)) - symtab_hdr->sh_info;
+ for (sym_index = 0; sym_index < symcount; sym_index++)
+ {
+ sym_hash = elf_sym_hashes (abfd)[sym_index];
+ if ((sym_hash->root.type == bfd_link_hash_defined
+ || sym_hash->root.type == bfd_link_hash_defweak)
+ && sym_hash->root.u.def.section == sec)
+ {
+ sym_hash->root.u.def.value -= calc_fixup (sym_hash->root.u.def.value,
+ 0, sec);
+ if (sym_hash->size)
+ sym_hash->size -= calc_fixup (sym_hash->root.u.def.value,
+ sym_hash->size, sec);
+ }
+ }
+
+ /* Physically move the code and change the cooked size. */
+ dest = sec->relax[0].addr;
+ for (i = 0; i < sec->relax_count; i++)
+ {
+ int len;
+ src = sec->relax[i].addr + sec->relax[i].size;
+ len = sec->relax[i+1].addr - sec->relax[i].addr - sec->relax[i].size;
+
+ memmove (contents + dest, contents + src, len);
+ sec->size -= sec->relax[i].size;
+ dest += len;
+ }
+
+ elf_section_data (sec)->relocs = internal_relocs;
+ free_relocs = NULL;
+
+ elf_section_data (sec)->this_hdr.contents = contents;
+ free_contents = NULL;
+
+ symtab_hdr->contents = (bfd_byte *) isymbuf;
+ }
+
+ if (free_relocs != NULL)
+ {
+ free (free_relocs);
+ free_relocs = NULL;
+ }
+
+ if (free_contents != NULL)
+ {
+ if (!link_info->keep_memory)
+ free (free_contents);
+ else
+ /* Cache the section contents for elf_link_input_bfd. */
+ elf_section_data (sec)->this_hdr.contents = contents;
+ free_contents = NULL;
+ }
+
+ if (sec->relax_count == 0)
+ {
+ *again = FALSE;
+ free (sec->relax);
+ sec->relax = NULL;
+ }
+ else
+ *again = TRUE;
+ return TRUE;
+
+ error_return:
+ if (free_relocs != NULL)
+ free (free_relocs);
+ if (free_contents != NULL)
+ free (free_contents);
+ if (sec->relax != NULL)
+ {
+ free (sec->relax);
+ sec->relax = NULL;
+ sec->relax_count = 0;
+ }
+ return FALSE;
+}
+
+/* Return the section that should be marked against GC for a given
+ relocation. */
+
+static asection *
+microblaze_elf_gc_mark_hook (asection *sec,
+ struct bfd_link_info * info,
+ Elf_Internal_Rela * rel,
+ struct elf_link_hash_entry * h,
+ Elf_Internal_Sym * sym)
+{
+ if (h != NULL)
+ switch (ELF64_R_TYPE (rel->r_info))
+ {
+ case R_MICROBLAZE_GNU_VTINHERIT:
+ case R_MICROBLAZE_GNU_VTENTRY:
+ return NULL;
+ }
+
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
+}
+
+/* PIC support. */
+
+#define PLT_ENTRY_SIZE 16
+
+#define PLT_ENTRY_WORD_0 0xb0000000 /* "imm 0". */
+#define PLT_ENTRY_WORD_1 0xe9940000 /* "lwi r12,r20,0" - relocated to lwi r12,r20,func@GOT. */
+#define PLT_ENTRY_WORD_1_NOPIC 0xe9800000 /* "lwi r12,r0,0" - non-PIC object. */
+#define PLT_ENTRY_WORD_2 0x98186000 /* "brad r12". */
+#define PLT_ENTRY_WORD_3 0x80000000 /* "nop". */
+
+/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
+ shortcuts to them in our hash table. */
+
+static bfd_boolean
+create_got_section (bfd *dynobj, struct bfd_link_info *info)
+{
+ struct elf64_mb_link_hash_table *htab;
+
+ if (! _bfd_elf_create_got_section (dynobj, info))
+ return FALSE;
+ htab = elf64_mb_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ htab->sgot = bfd_get_linker_section (dynobj, ".got");
+ htab->sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
+ if (!htab->sgot || !htab->sgotplt)
+ return FALSE;
+
+ if ((htab->srelgot = bfd_get_linker_section (dynobj, ".rela.got")) == NULL)
+ htab->srelgot = bfd_make_section_anyway (dynobj, ".rela.got");
+ if (htab->srelgot == NULL
+ || ! bfd_set_section_flags (htab->srelgot, SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY)
+ || ! bfd_set_section_alignment (htab->srelgot, 2))
+ return FALSE;
+ return TRUE;
+}
+
+static bfd_boolean
+update_local_sym_info (bfd *abfd,
+ Elf_Internal_Shdr *symtab_hdr,
+ unsigned long r_symndx,
+ unsigned int tls_type)
+{
+ bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd);
+ unsigned char *local_got_tls_masks;
+
+ if (local_got_refcounts == NULL)
+ {
+ bfd_size_type size = symtab_hdr->sh_info;
+
+ size *= (sizeof (*local_got_refcounts) + sizeof (*local_got_tls_masks));
+ local_got_refcounts = bfd_zalloc (abfd, size);
+ if (local_got_refcounts == NULL)
+ return FALSE;
+ elf_local_got_refcounts (abfd) = local_got_refcounts;
+ }
+
+ local_got_tls_masks =
+ (unsigned char *) (local_got_refcounts + symtab_hdr->sh_info);
+ local_got_tls_masks[r_symndx] |= tls_type;
+ local_got_refcounts[r_symndx] += 1;
+
+ return TRUE;
+}
+/* Look through the relocs for a section during the first phase. */
+
+static bfd_boolean
+microblaze_elf_check_relocs (bfd * abfd,
+ struct bfd_link_info * info,
+ asection * sec,
+ const Elf_Internal_Rela * relocs)
+{
+ Elf_Internal_Shdr * symtab_hdr;
+ struct elf_link_hash_entry ** sym_hashes;
+ struct elf_link_hash_entry ** sym_hashes_end;
+ const Elf_Internal_Rela * rel;
+ const Elf_Internal_Rela * rel_end;
+ struct elf64_mb_link_hash_table *htab;
+ asection *sreloc = NULL;
+
+ if (bfd_link_relocatable (info))
+ return TRUE;
+
+ htab = elf64_mb_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ sym_hashes_end = sym_hashes + symtab_hdr->sh_size / sizeof (Elf64_External_Sym);
+ if (!elf_bad_symtab (abfd))
+ sym_hashes_end -= symtab_hdr->sh_info;
+
+ rel_end = relocs + sec->reloc_count;
+
+ for (rel = relocs; rel < rel_end; rel++)
+ {
+ unsigned int r_type;
+ struct elf_link_hash_entry * h;
+ unsigned long r_symndx;
+ unsigned char tls_type = 0;
+
+ r_symndx = ELF64_R_SYM (rel->r_info);
+ r_type = ELF64_R_TYPE (rel->r_info);
+
+ if (r_symndx < symtab_hdr->sh_info)
+ h = NULL;
+ else
+ {
+ h = sym_hashes [r_symndx - symtab_hdr->sh_info];
+
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ h->root.non_ir_ref_regular = 1;
+ }
+
+ switch (r_type)
+ {
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_MICROBLAZE_GNU_VTINHERIT:
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+
+ /* This relocation describes which C++ vtable entries are actually
+ used. Record for later use during GC. */
+ case R_MICROBLAZE_GNU_VTENTRY:
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+
+ /* This relocation requires .plt entry. */
+ case R_MICROBLAZE_PLT_64:
+ if (h != NULL)
+ {
+ h->needs_plt = 1;
+ h->plt.refcount += 1;
+ }
+ break;
+
+ /* This relocation requires .got entry. */
+ case R_MICROBLAZE_TLSGD:
+ tls_type |= (TLS_TLS | TLS_GD);
+ goto dogottls;
+ case R_MICROBLAZE_TLSLD:
+ tls_type |= (TLS_TLS | TLS_LD);
+ dogottls:
+ sec->has_tls_reloc = 1;
+ /* Fall through. */
+ case R_MICROBLAZE_GOT_64:
+ if (htab->sgot == NULL)
+ {
+ if (htab->elf.dynobj == NULL)
+ htab->elf.dynobj = abfd;
+ if (!create_got_section (htab->elf.dynobj, info))
+ return FALSE;
+ }
+ if (h != NULL)
+ {
+ h->got.refcount += 1;
+ elf64_mb_hash_entry (h)->tls_mask |= tls_type;
+ }
+ else
+ {
+ if (! update_local_sym_info(abfd, symtab_hdr, r_symndx, tls_type) )
+ return FALSE;
+ }
+ break;
+
+ case R_MICROBLAZE_64:
+ case R_MICROBLAZE_64_PCREL:
+ case R_MICROBLAZE_32:
+ {
+ if (h != NULL && !bfd_link_pic (info))
+ {
+ /* we may need a copy reloc. */
+ h->non_got_ref = 1;
+
+ /* we may also need a .plt entry. */
+ h->plt.refcount += 1;
+ if (ELF64_R_TYPE (rel->r_info) != R_MICROBLAZE_64_PCREL)
+ h->pointer_equality_needed = 1;
+ }
+
+
+ /* If we are creating a shared library, and this is a reloc
+ against a global symbol, or a non PC relative reloc
+ against a local symbol, then we need to copy the reloc
+ into the shared library. However, if we are linking with
+ -Bsymbolic, we do not need to copy a reloc against a
+ global symbol which is defined in an object we are
+ including in the link (i.e., DEF_REGULAR is set). At
+ this point we have not seen all the input files, so it is
+ possible that DEF_REGULAR is not set now but will be set
+ later (it is never cleared). In case of a weak definition,
+ DEF_REGULAR may be cleared later by a strong definition in
+ a shared library. We account for that possibility below by
+ storing information in the relocs_copied field of the hash
+ table entry. A similar situation occurs when creating
+ shared libraries and symbol visibility changes render the
+ symbol local.
+
+ If on the other hand, we are creating an executable, we
+ may need to keep relocations for symbols satisfied by a
+ dynamic library if we manage to avoid copy relocs for the
+ symbol. */
+
+ if ((bfd_link_pic (info)
+ && (sec->flags & SEC_ALLOC) != 0
+ && (r_type != R_MICROBLAZE_64_PCREL
+ || (h != NULL
+ && (! info->symbolic
+ || h->root.type == bfd_link_hash_defweak
+ || !h->def_regular))))
+ || (!bfd_link_pic (info)
+ && (sec->flags & SEC_ALLOC) != 0
+ && h != NULL
+ && (h->root.type == bfd_link_hash_defweak
+ || !h->def_regular)))
+ {
+ struct elf64_mb_dyn_relocs *p;
+ struct elf64_mb_dyn_relocs **head;
+
+ /* When creating a shared object, we must copy these
+ relocs into the output file. We create a reloc
+ section in dynobj and make room for the reloc. */
+
+ if (sreloc == NULL)
+ {
+ bfd *dynobj;
+
+ if (htab->elf.dynobj == NULL)
+ htab->elf.dynobj = abfd;
+ dynobj = htab->elf.dynobj;
+
+ sreloc = _bfd_elf_make_dynamic_reloc_section (sec, dynobj,
+ 2, abfd, 1);
+ if (sreloc == NULL)
+ return FALSE;
+ }
+
+ /* If this is a global symbol, we count the number of
+ relocations we need for this symbol. */
+ if (h != NULL)
+ head = &((struct elf64_mb_link_hash_entry *) h)->dyn_relocs;
+ else
+ {
+ /* Track dynamic relocs needed for local syms too.
+ We really need local syms available to do this
+ easily. Oh well. */
+
+ asection *s;
+ Elf_Internal_Sym *isym;
+ void *vpp;
+
+ isym = bfd_sym_from_r_symndx (&htab->sym_sec,
+ abfd, r_symndx);
+ if (isym == NULL)
+ return FALSE;
+
+ s = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ if (s == NULL)
+ return FALSE;
+
+ vpp = &elf_section_data (s)->local_dynrel;
+ head = (struct elf64_mb_dyn_relocs **) vpp;
+ }
+
+ p = *head;
+ if (p == NULL || p->sec != sec)
+ {
+ bfd_size_type amt = sizeof *p;
+ p = ((struct elf64_mb_dyn_relocs *)
+ bfd_alloc (htab->elf.dynobj, amt));
+ if (p == NULL)
+ return FALSE;
+ p->next = *head;
+ *head = p;
+ p->sec = sec;
+ p->count = 0;
+ p->pc_count = 0;
+ }
+
+ p->count += 1;
+ if (r_type == R_MICROBLAZE_64_PCREL)
+ p->pc_count += 1;
+ }
+ }
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+static bfd_boolean
+microblaze_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
+{
+ struct elf64_mb_link_hash_table *htab;
+
+ htab = elf64_mb_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ if (!htab->sgot && !create_got_section (dynobj, info))
+ return FALSE;
+
+ if (!_bfd_elf_create_dynamic_sections (dynobj, info))
+ return FALSE;
+
+ htab->splt = bfd_get_linker_section (dynobj, ".plt");
+ htab->srelplt = bfd_get_linker_section (dynobj, ".rela.plt");
+ htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
+ if (!bfd_link_pic (info))
+ htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
+
+ if (!htab->splt || !htab->srelplt || !htab->sdynbss
+ || (!bfd_link_pic (info) && !htab->srelbss))
+ abort ();
+
+ return TRUE;
+}
+
+/* Copy the extra info we tack onto an elf_link_hash_entry. */
+
+static void
+microblaze_elf_copy_indirect_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *dir,
+ struct elf_link_hash_entry *ind)
+{
+ struct elf64_mb_link_hash_entry *edir, *eind;
+
+ edir = (struct elf64_mb_link_hash_entry *) dir;
+ eind = (struct elf64_mb_link_hash_entry *) ind;
+
+ if (eind->dyn_relocs != NULL)
+ {
+ if (edir->dyn_relocs != NULL)
+ {
+ struct elf64_mb_dyn_relocs **pp;
+ struct elf64_mb_dyn_relocs *p;
+
+ if (ind->root.type == bfd_link_hash_indirect)
+ abort ();
+
+ /* Add reloc counts against the weak sym to the strong sym
+ list. Merge any entries against the same section. */
+ for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
+ {
+ struct elf64_mb_dyn_relocs *q;
+
+ for (q = edir->dyn_relocs; q != NULL; q = q->next)
+ if (q->sec == p->sec)
+ {
+ q->pc_count += p->pc_count;
+ q->count += p->count;
+ *pp = p->next;
+ break;
+ }
+ if (q == NULL)
+ pp = &p->next;
+ }
+ *pp = edir->dyn_relocs;
+ }
+
+ edir->dyn_relocs = eind->dyn_relocs;
+ eind->dyn_relocs = NULL;
+ }
+
+ edir->tls_mask |= eind->tls_mask;
+
+ _bfd_elf_link_hash_copy_indirect (info, dir, ind);
+}
+
+static bfd_boolean
+microblaze_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
+{
+ struct elf64_mb_link_hash_table *htab;
+ struct elf64_mb_link_hash_entry * eh;
+ struct elf64_mb_dyn_relocs *p;
+ asection *sdynbss, *s;
+ unsigned int power_of_two;
+ bfd *dynobj;
+
+ htab = elf64_mb_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ /* If this is a function, put it in the procedure linkage table. We
+ will fill in the contents of the procedure linkage table later,
+ when we know the address of the .got section. */
+ if (h->type == STT_FUNC
+ || h->needs_plt)
+ {
+ if (h->plt.refcount <= 0
+ || SYMBOL_CALLS_LOCAL (info, h)
+ || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ && h->root.type == bfd_link_hash_undefweak))
+ {
+ /* This case can occur if we saw a PLT reloc in an input
+ file, but the symbol was never referred to by a dynamic
+ object, or if all references were garbage collected. In
+ such a case, we don't actually need to build a procedure
+ linkage table, and we can just do a PC32 reloc instead. */
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+
+ return TRUE;
+ }
+ else
+ /* It's possible that we incorrectly decided a .plt reloc was
+ needed for an R_MICROBLAZE_64_PCREL reloc to a non-function sym in
+ check_relocs. We can't decide accurately between function and
+ non-function syms in check-relocs; Objects loaded later in
+ the link may change h->type. So fix it now. */
+ h->plt.offset = (bfd_vma) -1;
+
+ /* If this is a weak symbol, and there is a real definition, the
+ processor independent code will have arranged for us to see the
+ real definition first, and we can just use the same value. */
+ if (h->is_weakalias)
+ {
+ struct elf_link_hash_entry *def = weakdef (h);
+ BFD_ASSERT (def->root.type == bfd_link_hash_defined);
+ h->root.u.def.section = def->root.u.def.section;
+ h->root.u.def.value = def->root.u.def.value;
+ return TRUE;
+ }
+
+ /* This is a reference to a symbol defined by a dynamic object which
+ is not a function. */
+
+ /* If we are creating a shared library, we must presume that the
+ only references to the symbol are via the global offset table.
+ For such cases we need not do anything here; the relocations will
+ be handled correctly by relocate_section. */
+ if (bfd_link_pic (info))
+ return TRUE;
+
+ /* If there are no references to this symbol that do not use the
+ GOT, we don't need to generate a copy reloc. */
+ if (!h->non_got_ref)
+ return TRUE;
+
+ /* If -z nocopyreloc was given, we won't generate them either. */
+ if (info->nocopyreloc)
+ {
+ h->non_got_ref = 0;
+ return TRUE;
+ }
+
+ eh = (struct elf64_mb_link_hash_entry *) h;
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ s = p->sec->output_section;
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ break;
+ }
+
+ /* If we didn't find any dynamic relocs in read-only sections, then
+ we'll be keeping the dynamic relocs and avoiding the copy reloc. */
+ if (p == NULL)
+ {
+ h->non_got_ref = 0;
+ return TRUE;
+ }
+
+ /* We must allocate the symbol in our .dynbss section, which will
+ become part of the .bss section of the executable. There will be
+ an entry for this symbol in the .dynsym section. The dynamic
+ object will contain position independent code, so all references
+ from the dynamic object to this symbol will go through the global
+ offset table. The dynamic linker will use the .dynsym entry to
+ determine the address it must put in the global offset table, so
+ both the dynamic object and the regular object will refer to the
+ same memory location for the variable. */
+
+ /* We must generate a R_MICROBLAZE_COPY reloc to tell the dynamic linker
+ to copy the initial value out of the dynamic object and into the
+ runtime process image. */
+ dynobj = elf_hash_table (info)->dynobj;
+ BFD_ASSERT (dynobj != NULL);
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ {
+ htab->srelbss->size += sizeof (Elf64_External_Rela);
+ h->needs_copy = 1;
+ }
+
+ /* We need to figure out the alignment required for this symbol. I
+ have no idea how ELF linkers handle this. */
+ power_of_two = bfd_log2 (h->size);
+ if (power_of_two > 3)
+ power_of_two = 3;
+
+ sdynbss = htab->sdynbss;
+ /* Apply the required alignment. */
+ sdynbss->size = BFD_ALIGN (sdynbss->size, (bfd_size_type) (1 << power_of_two));
+ if (power_of_two > bfd_section_alignment (sdynbss))
+ {
+ if (! bfd_set_section_alignment (sdynbss, power_of_two))
+ return FALSE;
+ }
+
+ /* Define the symbol as being at this point in the section. */
+ h->root.u.def.section = sdynbss;
+ h->root.u.def.value = sdynbss->size;
+
+ /* Increment the section size to make room for the symbol. */
+ sdynbss->size += h->size;
+ return TRUE;
+}
+
+/* Allocate space in .plt, .got and associated reloc sections for
+ dynamic relocs. */
+
+static bfd_boolean
+allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat)
+{
+ struct bfd_link_info *info;
+ struct elf64_mb_link_hash_table *htab;
+ struct elf64_mb_link_hash_entry *eh;
+ struct elf64_mb_dyn_relocs *p;
+
+ if (h->root.type == bfd_link_hash_indirect)
+ return TRUE;
+
+ info = (struct bfd_link_info *) dat;
+ htab = elf64_mb_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ if (htab->elf.dynamic_sections_created
+ && h->plt.refcount > 0)
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
+ {
+ asection *s = htab->splt;
+
+ /* The first entry in .plt is reserved. */
+ if (s->size == 0)
+ s->size = PLT_ENTRY_SIZE;
+
+ h->plt.offset = s->size;
+
+ /* If this symbol is not defined in a regular file, and we are
+ not generating a shared library, then set the symbol to this
+ location in the .plt. This is required to make function
+ pointers compare as equal between the normal executable and
+ the shared library. */
+ if (! bfd_link_pic (info)
+ && !h->def_regular)
+ {
+ h->root.u.def.section = s;
+ h->root.u.def.value = h->plt.offset;
+ }
+
+ /* Make room for this entry. */
+ s->size += PLT_ENTRY_SIZE;
+
+ /* We also need to make an entry in the .got.plt section, which
+ will be placed in the .got section by the linker script. */
+ htab->sgotplt->size += 4;
+
+ /* We also need to make an entry in the .rel.plt section. */
+ htab->srelplt->size += sizeof (Elf64_External_Rela);
+ }
+ else
+ {
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+ }
+ else
+ {
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+
+ eh = (struct elf64_mb_link_hash_entry *) h;
+ if (h->got.refcount > 0)
+ {
+ unsigned int need;
+ asection *s;
+
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ need = 0;
+ if ((eh->tls_mask & TLS_TLS) != 0)
+ {
+ /* Handle TLS Symbol */
+ if ((eh->tls_mask & TLS_LD) != 0)
+ {
+ if (!eh->elf.def_dynamic)
+ /* We'll just use htab->tlsld_got.offset. This should
+ always be the case. It's a little odd if we have
+ a local dynamic reloc against a non-local symbol. */
+ htab->tlsld_got.refcount += 1;
+ else
+ need += 8;
+ }
+ if ((eh->tls_mask & TLS_GD) != 0)
+ need += 8;
+ }
+ else
+ {
+ /* Regular (non-TLS) symbol */
+ need += 4;
+ }
+ if (need == 0)
+ {
+ h->got.offset = (bfd_vma) -1;
+ }
+ else
+ {
+ s = htab->sgot;
+ h->got.offset = s->size;
+ s->size += need;
+ htab->srelgot->size += need * (sizeof (Elf64_External_Rela) / 4);
+ }
+ }
+ else
+ h->got.offset = (bfd_vma) -1;
+
+ if (eh->dyn_relocs == NULL)
+ return TRUE;
+
+ /* In the shared -Bsymbolic case, discard space allocated for
+ dynamic pc-relative relocs against symbols which turn out to be
+ defined in regular objects. For the normal shared case, discard
+ space for pc-relative relocs that have become local due to symbol
+ visibility changes. */
+
+ if (bfd_link_pic (info))
+ {
+ if (h->def_regular
+ && (h->forced_local
+ || info->symbolic))
+ {
+ struct elf64_mb_dyn_relocs **pp;
+
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
+ {
+ p->count -= p->pc_count;
+ p->pc_count = 0;
+ if (p->count == 0)
+ *pp = p->next;
+ else
+ pp = &p->next;
+ }
+ }
+ }
+ else
+ {
+ /* For the non-shared case, discard space for relocs against
+ symbols which turn out to need copy relocs or are not
+ dynamic. */
+
+ if (!h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
+ || (htab->elf.dynamic_sections_created
+ && (h->root.type == bfd_link_hash_undefweak
+ || h->root.type == bfd_link_hash_undefined))))
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ /* If that succeeded, we know we'll be keeping all the
+ relocs. */
+ if (h->dynindx != -1)
+ goto keep;
+ }
+
+ eh->dyn_relocs = NULL;
+
+ keep: ;
+ }
+
+ /* Finally, allocate space. */
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ asection *sreloc = elf_section_data (p->sec)->sreloc;
+ sreloc->size += p->count * sizeof (Elf64_External_Rela);
+ }
+
+ return TRUE;
+}
+
+/* Set the sizes of the dynamic sections. */
+
+static bfd_boolean
+microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
+{
+ struct elf64_mb_link_hash_table *htab;
+ bfd *dynobj;
+ asection *s;
+ bfd *ibfd;
+
+ htab = elf64_mb_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ dynobj = htab->elf.dynobj;
+ BFD_ASSERT (dynobj != NULL);
+
+ /* Set up .got offsets for local syms, and space for local dynamic
+ relocs. */
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
+ {
+ bfd_signed_vma *local_got;
+ bfd_signed_vma *end_local_got;
+ bfd_size_type locsymcount;
+ Elf_Internal_Shdr *symtab_hdr;
+ unsigned char *lgot_masks;
+ asection *srel;
+
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
+ continue;
+
+ for (s = ibfd->sections; s != NULL; s = s->next)
+ {
+ struct elf64_mb_dyn_relocs *p;
+
+ for (p = ((struct elf64_mb_dyn_relocs *)
+ elf_section_data (s)->local_dynrel);
+ p != NULL;
+ p = p->next)
+ {
+ if (!bfd_is_abs_section (p->sec)
+ && bfd_is_abs_section (p->sec->output_section))
+ {
+ /* Input section has been discarded, either because
+ it is a copy of a linkonce section or due to
+ linker script /DISCARD/, so we'll be discarding
+ the relocs too. */
+ }
+ else if (p->count != 0)
+ {
+ srel = elf_section_data (p->sec)->sreloc;
+ srel->size += p->count * sizeof (Elf64_External_Rela);
+ if ((p->sec->output_section->flags & SEC_READONLY) != 0)
+ info->flags |= DF_TEXTREL;
+ }
+ }
+ }
+
+ local_got = elf_local_got_refcounts (ibfd);
+ if (!local_got)
+ continue;
+
+ symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
+ locsymcount = symtab_hdr->sh_info;
+ end_local_got = local_got + locsymcount;
+ lgot_masks = (unsigned char *) end_local_got;
+ s = htab->sgot;
+ srel = htab->srelgot;
+
+ for (; local_got < end_local_got; ++local_got, ++lgot_masks)
+ {
+ if (*local_got > 0)
+ {
+ unsigned int need = 0;
+ if ((*lgot_masks & TLS_TLS) != 0)
+ {
+ if ((*lgot_masks & TLS_GD) != 0)
+ need += 8;
+ if ((*lgot_masks & TLS_LD) != 0)
+ htab->tlsld_got.refcount += 1;
+ }
+ else
+ need += 4;
+
+ if (need == 0)
+ {
+ *local_got = (bfd_vma) -1;
+ }
+ else
+ {
+ *local_got = s->size;
+ s->size += need;
+ if (bfd_link_pic (info))
+ srel->size += need * (sizeof (Elf64_External_Rela) / 4);
+ }
+ }
+ else
+ *local_got = (bfd_vma) -1;
+ }
+ }
+
+ /* Allocate global sym .plt and .got entries, and space for global
+ sym dynamic relocs. */
+ elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info);
+
+ if (htab->tlsld_got.refcount > 0)
+ {
+ htab->tlsld_got.offset = htab->sgot->size;
+ htab->sgot->size += 8;
+ if (bfd_link_pic (info))
+ htab->srelgot->size += sizeof (Elf64_External_Rela);
+ }
+ else
+ htab->tlsld_got.offset = (bfd_vma) -1;
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* Make space for the trailing nop in .plt. */
+ if (htab->splt->size > 0)
+ htab->splt->size += 4;
+ }
+
+ /* The check_relocs and adjust_dynamic_symbol entry points have
+ determined the sizes of the various dynamic sections. Allocate
+ memory for them. */
+ for (s = dynobj->sections; s != NULL; s = s->next)
+ {
+ const char *name;
+ bfd_boolean strip = FALSE;
+
+ if ((s->flags & SEC_LINKER_CREATED) == 0)
+ continue;
+
+ /* It's OK to base decisions on the section name, because none
+ of the dynobj section names depend upon the input files. */
+ name = bfd_section_name (s);
+
+ if (strncmp (name, ".rela", 5) == 0)
+ {
+ if (s->size == 0)
+ {
+ /* If we don't need this section, strip it from the
+ output file. This is to handle .rela.bss and
+ .rela.plt. We must create it in
+ create_dynamic_sections, because it must be created
+ before the linker maps input sections to output
+ sections. The linker does that before
+ adjust_dynamic_symbol is called, and it is that
+ function which decides whether anything needs to go
+ into these sections. */
+ strip = TRUE;
+ }
+ else
+ {
+ /* We use the reloc_count field as a counter if we need
+ to copy relocs into the output file. */
+ s->reloc_count = 0;
+ }
+ }
+ else if (s != htab->splt && s != htab->sgot && s != htab->sgotplt)
+ {
+ /* It's not one of our sections, so don't allocate space. */
+ continue;
+ }
+
+ if (strip)
+ {
+ s->flags |= SEC_EXCLUDE;
+ continue;
+ }
+
+ /* Allocate memory for the section contents. */
+ /* FIXME: This should be a call to bfd_alloc not bfd_zalloc.
+ Unused entries should be reclaimed before the section's contents
+ are written out, but at the moment this does not happen. Thus in
+ order to prevent writing out garbage, we initialise the section's
+ contents to zero. */
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
+ if (s->contents == NULL && s->size != 0)
+ return FALSE;
+ }
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* Add some entries to the .dynamic section. We fill in the
+ values later, in microblaze_elf_finish_dynamic_sections, but we
+ must add the entries now so that we get the correct size for
+ the .dynamic section. The DT_DEBUG entry is filled in by the
+ dynamic linker and used by the debugger. */
+#define add_dynamic_entry(TAG, VAL) \
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
+
+ if (bfd_link_executable (info))
+ {
+ if (!add_dynamic_entry (DT_DEBUG, 0))
+ return FALSE;
+ }
+
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela)))
+ return FALSE;
+
+ if (htab->splt->size != 0)
+ {
+ if (!add_dynamic_entry (DT_PLTGOT, 0)
+ || !add_dynamic_entry (DT_PLTRELSZ, 0)
+ || !add_dynamic_entry (DT_PLTREL, DT_RELA)
+ || !add_dynamic_entry (DT_JMPREL, 0)
+ || !add_dynamic_entry (DT_BIND_NOW, 1))
+ return FALSE;
+ }
+
+ if (info->flags & DF_TEXTREL)
+ {
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
+ return FALSE;
+ }
+ }
+#undef add_dynamic_entry
+ return TRUE;
+}
+
+/* Finish up dynamic symbol handling. We set the contents of various
+ dynamic sections here. */
+
+static bfd_boolean
+microblaze_elf_finish_dynamic_symbol (bfd *output_bfd,
+ struct bfd_link_info *info,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
+{
+ struct elf64_mb_link_hash_table *htab;
+ struct elf64_mb_link_hash_entry *eh = elf64_mb_hash_entry(h);
+
+ htab = elf64_mb_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ if (h->plt.offset != (bfd_vma) -1)
+ {
+ asection *splt;
+ asection *srela;
+ asection *sgotplt;
+ Elf_Internal_Rela rela;
+ bfd_byte *loc;
+ bfd_vma plt_index;
+ bfd_vma got_offset;
+ bfd_vma got_addr;
+
+ /* This symbol has an entry in the procedure linkage table. Set
+ it up. */
+ BFD_ASSERT (h->dynindx != -1);
+
+ splt = htab->splt;
+ srela = htab->srelplt;
+ sgotplt = htab->sgotplt;
+ BFD_ASSERT (splt != NULL && srela != NULL && sgotplt != NULL);
+
+ plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; /* first entry reserved. */
+ got_offset = (plt_index + 3) * 4; /* 3 reserved ??? */
+ got_addr = got_offset;
+
+ /* For non-PIC objects we need absolute address of the GOT entry. */
+ if (!bfd_link_pic (info))
+ got_addr += htab->sgotplt->output_section->vma + sgotplt->output_offset;
+
+ /* Fill in the entry in the procedure linkage table. */
+ bfd_put_32 (output_bfd, PLT_ENTRY_WORD_0 + ((got_addr >> 16) & 0xffff),
+ splt->contents + h->plt.offset);
+ if (bfd_link_pic (info))
+ bfd_put_32 (output_bfd, PLT_ENTRY_WORD_1 + (got_addr & 0xffff),
+ splt->contents + h->plt.offset + 4);
+ else
+ bfd_put_32 (output_bfd, PLT_ENTRY_WORD_1_NOPIC + (got_addr & 0xffff),
+ splt->contents + h->plt.offset + 4);
+ bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD_2,
+ splt->contents + h->plt.offset + 8);
+ bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD_3,
+ splt->contents + h->plt.offset + 12);
+
+ /* Any additions to the .got section??? */
+ /* bfd_put_32 (output_bfd,
+ splt->output_section->vma + splt->output_offset + h->plt.offset + 4,
+ sgotplt->contents + got_offset); */
+
+ /* Fill in the entry in the .rela.plt section. */
+ rela.r_offset = (sgotplt->output_section->vma
+ + sgotplt->output_offset
+ + got_offset);
+ rela.r_info = ELF64_R_INFO (h->dynindx, R_MICROBLAZE_JUMP_SLOT);
+ rela.r_addend = 0;
+ loc = srela->contents;
+ loc += plt_index * sizeof (Elf64_External_Rela);
+ bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
+
+ if (!h->def_regular)
+ {
+ /* Mark the symbol as undefined, rather than as defined in
+ the .plt section. Zero the value. */
+ sym->st_shndx = SHN_UNDEF;
+ sym->st_value = 0;
+ }
+ }
+
+ /* h->got.refcount to be checked ? */
+ if (h->got.offset != (bfd_vma) -1 &&
+ ! ((h->got.offset & 1) ||
+ IS_TLS_LD(eh->tls_mask) || IS_TLS_GD(eh->tls_mask)))
+ {
+ asection *sgot;
+ asection *srela;
+ bfd_vma offset;
+
+ /* This symbol has an entry in the global offset table. Set it
+ up. */
+
+ sgot = htab->sgot;
+ srela = htab->srelgot;
+ BFD_ASSERT (sgot != NULL && srela != NULL);
+
+ offset = (sgot->output_section->vma + sgot->output_offset
+ + (h->got.offset &~ (bfd_vma) 1));
+
+ /* If this is a -Bsymbolic link, and the symbol is defined
+ locally, we just want to emit a RELATIVE reloc. Likewise if
+ the symbol was forced to be local because of a version file.
+ The entry in the global offset table will already have been
+ initialized in the relocate_section function. */
+ if (bfd_link_pic (info)
+ && ((info->symbolic && h->def_regular)
+ || h->dynindx == -1))
+ {
+ asection *sec = h->root.u.def.section;
+ microblaze_elf_output_dynamic_relocation (output_bfd,
+ srela, srela->reloc_count++,
+ /* symindex= */ 0,
+ R_MICROBLAZE_REL, offset,
+ h->root.u.def.value
+ + sec->output_section->vma
+ + sec->output_offset);
+ }
+ else
+ {
+ microblaze_elf_output_dynamic_relocation (output_bfd,
+ srela, srela->reloc_count++,
+ h->dynindx,
+ R_MICROBLAZE_GLOB_DAT,
+ offset, 0);
+ }
+
+ bfd_put_32 (output_bfd, (bfd_vma) 0,
+ sgot->contents + (h->got.offset &~ (bfd_vma) 1));
+ }
+
+ if (h->needs_copy)
+ {
+ asection *s;
+ Elf_Internal_Rela rela;
+ bfd_byte *loc;
+
+ /* This symbols needs a copy reloc. Set it up. */
+
+ BFD_ASSERT (h->dynindx != -1);
+
+ s = bfd_get_linker_section (htab->elf.dynobj, ".rela.bss");
+ BFD_ASSERT (s != NULL);
+
+ rela.r_offset = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ rela.r_info = ELF64_R_INFO (h->dynindx, R_MICROBLAZE_COPY);
+ rela.r_addend = 0;
+ loc = s->contents + s->reloc_count++ * sizeof (Elf64_External_Rela);
+ bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
+ }
+
+ /* Mark some specially defined symbols as absolute. */
+ if (h == htab->elf.hdynamic
+ || h == htab->elf.hgot
+ || h == htab->elf.hplt)
+ sym->st_shndx = SHN_ABS;
+
+ return TRUE;
+}
+
+
+/* Finish up the dynamic sections. */
+
+static bfd_boolean
+microblaze_elf_finish_dynamic_sections (bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ bfd *dynobj;
+ asection *sdyn, *sgot;
+ struct elf64_mb_link_hash_table *htab;
+
+ htab = elf64_mb_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ dynobj = htab->elf.dynobj;
+
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
+
+ if (htab->elf.dynamic_sections_created)
+ {
+ asection *splt;
+ Elf64_External_Dyn *dyncon, *dynconend;
+
+ splt = bfd_get_linker_section (dynobj, ".plt");
+ BFD_ASSERT (splt != NULL && sdyn != NULL);
+
+ dyncon = (Elf64_External_Dyn *) sdyn->contents;
+ dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
+ for (; dyncon < dynconend; dyncon++)
+ {
+ Elf_Internal_Dyn dyn;
+ const char *name;
+ bfd_boolean size;
+
+ bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);
+
+ switch (dyn.d_tag)
+ {
+ case DT_PLTGOT: name = ".got.plt"; size = FALSE; break;
+ case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
+ case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
+ case DT_RELA: name = ".rela.dyn"; size = FALSE; break;
+ case DT_RELASZ: name = ".rela.dyn"; size = TRUE; break;
+ default: name = NULL; size = FALSE; break;
+ }
+
+ if (name != NULL)
+ {
+ asection *s;
+
+ s = bfd_get_section_by_name (output_bfd, name);
+ if (s == NULL)
+ dyn.d_un.d_val = 0;
+ else
+ {
+ if (! size)
+ dyn.d_un.d_ptr = s->vma;
+ else
+ dyn.d_un.d_val = s->size;
+ }
+ bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
+ }
+ }
+
+ /* Clear the first entry in the procedure linkage table,
+ and put a nop in the last four bytes. */
+ if (splt->size > 0)
+ {
+ memset (splt->contents, 0, PLT_ENTRY_SIZE);
+ bfd_put_32 (output_bfd, (bfd_vma) 0x80000000 /* nop. */,
+ splt->contents + splt->size - 4);
+ }
+
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
+ }
+
+ /* Set the first entry in the global offset table to the address of
+ the dynamic section. */
+ sgot = bfd_get_linker_section (dynobj, ".got.plt");
+ if (sgot && sgot->size > 0)
+ {
+ if (sdyn == NULL)
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
+ else
+ bfd_put_32 (output_bfd,
+ sdyn->output_section->vma + sdyn->output_offset,
+ sgot->contents);
+ elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
+ }
+
+ if (htab->sgot && htab->sgot->size > 0)
+ elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 4;
+
+ return TRUE;
+}
+
+/* Hook called by the linker routine which adds symbols from an object
+ file. We use it to put .comm items in .sbss, and not .bss. */
+
+static bfd_boolean
+microblaze_elf_add_symbol_hook (bfd *abfd,
+ struct bfd_link_info *info,
+ Elf_Internal_Sym *sym,
+ const char **namep ATTRIBUTE_UNUSED,
+ flagword *flagsp ATTRIBUTE_UNUSED,
+ asection **secp,
+ bfd_vma *valp)
+{
+ if (sym->st_shndx == SHN_COMMON
+ && !bfd_link_relocatable (info)
+ && sym->st_size <= elf_gp_size (abfd))
+ {
+ /* Common symbols less than or equal to -G nn bytes are automatically
+ put into .sbss. */
+ *secp = bfd_make_section_old_way (abfd, ".sbss");
+ if (*secp == NULL
+ || ! bfd_set_section_flags (*secp, SEC_IS_COMMON))
+ return FALSE;
+
+ *valp = sym->st_size;
+ }
+
+ return TRUE;
+}
+
+#define TARGET_LITTLE_SYM microblaze_elf64_le_vec
+#define TARGET_LITTLE_NAME "elf64-microblazeel"
+
+#define TARGET_BIG_SYM microblaze_elf64_vec
+#define TARGET_BIG_NAME "elf64-microblaze"
+
+#define ELF_ARCH bfd_arch_microblaze
+#define ELF_TARGET_ID MICROBLAZE_ELF_DATA
+#define ELF_MACHINE_CODE EM_MICROBLAZE
+#define ELF_MACHINE_ALT1 EM_MICROBLAZE_OLD
+#define ELF_MAXPAGESIZE 0x1000
+#define elf_info_to_howto microblaze_elf_info_to_howto
+#define elf_info_to_howto_rel NULL
+
+#define bfd_elf64_bfd_reloc_type_lookup microblaze_elf_reloc_type_lookup
+#define bfd_elf64_bfd_is_local_label_name microblaze_elf_is_local_label_name
+#define elf_backend_relocate_section microblaze_elf_relocate_section
+#define bfd_elf64_bfd_relax_section microblaze_elf_relax_section
+#define bfd_elf64_bfd_merge_private_bfd_data _bfd_generic_verify_endian_match
+#define bfd_elf64_bfd_reloc_name_lookup microblaze_elf_reloc_name_lookup
+
+#define elf_backend_gc_mark_hook microblaze_elf_gc_mark_hook
+#define elf_backend_check_relocs microblaze_elf_check_relocs
+#define elf_backend_copy_indirect_symbol microblaze_elf_copy_indirect_symbol
+#define bfd_elf64_bfd_link_hash_table_create microblaze_elf_link_hash_table_create
+#define elf_backend_can_gc_sections 1
+#define elf_backend_can_refcount 1
+#define elf_backend_want_got_plt 1
+#define elf_backend_plt_readonly 1
+#define elf_backend_got_header_size 12
+#define elf_backend_rela_normal 1
+
+#define elf_backend_adjust_dynamic_symbol microblaze_elf_adjust_dynamic_symbol
+#define elf_backend_create_dynamic_sections microblaze_elf_create_dynamic_sections
+#define elf_backend_finish_dynamic_sections microblaze_elf_finish_dynamic_sections
+#define elf_backend_finish_dynamic_symbol microblaze_elf_finish_dynamic_symbol
+#define elf_backend_size_dynamic_sections microblaze_elf_size_dynamic_sections
+#define elf_backend_add_symbol_hook microblaze_elf_add_symbol_hook
+
+#include "elf64-target.h"
diff --git a/bfd/targets.c b/bfd/targets.c
index fb0c669e7f7..97b0e473e16 100644
--- a/bfd/targets.c
+++ b/bfd/targets.c
@@ -779,6 +779,8 @@ extern const bfd_target mep_elf32_le_vec;
extern const bfd_target metag_elf32_vec;
extern const bfd_target microblaze_elf32_vec;
extern const bfd_target microblaze_elf32_le_vec;
+extern const bfd_target microblaze_elf64_vec;
+extern const bfd_target microblaze_elf64_le_vec;
extern const bfd_target mips_ecoff_be_vec;
extern const bfd_target mips_ecoff_le_vec;
extern const bfd_target mips_ecoff_bele_vec;
@@ -1150,6 +1152,10 @@ static const bfd_target * const _bfd_target_vector[] =
&metag_elf32_vec,
+#ifdef BFD64
+ &microblaze_elf64_vec,
+ &microblaze_elf64_le_vec,
+#endif
&microblaze_elf32_vec,
&mips_ecoff_be_vec,
diff --git a/include/elf/common.h b/include/elf/common.h
index 75c4fb7e9d7..1584e1c87d0 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -339,6 +339,7 @@
#define EM_RISCV 243 /* RISC-V */
#define EM_LANAI 244 /* Lanai 32-bit processor. */
#define EM_BPF 247 /* Linux BPF – in-kernel virtual machine. */
+#define EM_MB_64 248 /* Xilinx MicroBlaze 32-bit RISC soft processor core */
#define EM_NFP 250 /* Netronome Flow Processor. */
#define EM_CSKY 252 /* C-SKY processor family. */
diff --git a/opcodes/microblaze-dis.c b/opcodes/microblaze-dis.c
index 356f1da22ed..437f536e96a 100644
--- a/opcodes/microblaze-dis.c
+++ b/opcodes/microblaze-dis.c
@@ -33,6 +33,7 @@
#define get_field_r1(buf, instr) get_field (buf, instr, RA_MASK, RA_LOW)
#define get_field_r2(buf, instr) get_field (buf, instr, RB_MASK, RB_LOW)
#define get_int_field_imm(instr) ((instr & IMM_MASK) >> IMM_LOW)
+#define get_int_field_imml(instr) ((instr & IMML_MASK) >> IMM_LOW)
#define get_int_field_r1(instr) ((instr & RA_MASK) >> RA_LOW)
#define NUM_STRBUFS 3
@@ -73,11 +74,20 @@ get_field_imm (struct string_buf *buf, long instr)
}
static char *
-get_field_imm5 (struct string_buf *buf, long instr)
+get_field_imml (struct string_buf *buf, long instr)
{
char *p = strbuf (buf);
- sprintf (p, "%d", (short)((instr & IMM5_MASK) >> IMM_LOW));
+ sprintf (p, "%d", (short)((instr & IMML_MASK) >> IMM_LOW));
+ return p;
+}
+
+static char *
+get_field_imms (struct string_buf *buf, long instr)
+{
+ char *p = strbuf (buf);
+
+ sprintf (p, "%d", (short)((instr & IMM6_MASK) >> IMM_LOW));
return p;
}
@@ -91,14 +101,14 @@ get_field_imm5_mbar (struct string_buf *buf, long instr)
}
static char *
-get_field_imm5width (struct string_buf *buf, long instr)
+get_field_immw (struct string_buf *buf, long instr)
{
char *p = strbuf (buf);
if (instr & 0x00004000)
- sprintf (p, "%d", (short)(((instr & IMM5_WIDTH_MASK) >> IMM_WIDTH_LOW))); /* bsefi */
+ sprintf (p, "%d", (short)(((instr & IMM6_WIDTH_MASK) >> IMM_WIDTH_LOW))); /* bsefi */
else
- sprintf (p, "%d", (short)(((instr & IMM5_WIDTH_MASK) >> IMM_WIDTH_LOW) - ((instr & IMM5_MASK) >> IMM_LOW) + 1)); /* bsifi */
+ sprintf (p, "%d", (short)(((instr & IMM6_WIDTH_MASK) >> IMM_WIDTH_LOW) - ((instr & IMM6_MASK) >> IMM_LOW) + 1)); /* bsifi */
return p;
}
@@ -306,9 +316,14 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info)
}
}
break;
- case INST_TYPE_RD_R1_IMM5:
+ case INST_TYPE_RD_R1_IMML:
print_func (stream, "\t%s, %s, %s", get_field_rd (&buf, inst),
- get_field_r1 (&buf, inst), get_field_imm5 (&buf, inst));
+ get_field_r1(&buf, inst), get_field_imm (&buf, inst));
+ /* TODO: Also print symbol */
+ break;
+ case INST_TYPE_RD_R1_IMMS:
+ print_func (stream, "\t%s, %s, %s", get_field_rd (&buf, inst),
+ get_field_r1(&buf, inst), get_field_imms (&buf, inst));
break;
case INST_TYPE_RD_RFSL:
print_func (stream, "\t%s, %s", get_field_rd (&buf, inst),
@@ -412,9 +427,12 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info)
}
}
break;
- case INST_TYPE_RD_R2:
- print_func (stream, "\t%s, %s", get_field_rd (&buf, inst),
- get_field_r2 (&buf, inst));
+ case INST_TYPE_IMML:
+ print_func (stream, "\t%s", get_field_imml (&buf, inst));
+ /* TODO: Also print symbol */
+ break;
+ case INST_TYPE_RD_R2:
+ print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), get_field_r2 (&buf, inst));
break;
case INST_TYPE_R2:
print_func (stream, "\t%s", get_field_r2 (&buf, inst));
@@ -439,8 +457,9 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info)
break;
/* For tuqula instruction */
/* For bit field insns. */
- case INST_TYPE_RD_R1_IMM5_IMM5:
- print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst), get_field_r1(&buf, inst), get_field_imm5width (&buf, inst), get_field_imm5 (&buf, inst));
+ case INST_TYPE_RD_R1_IMMW_IMMS:
+ print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst), get_field_r1(&buf, inst),
+ get_field_immw (&buf, inst), get_field_imms (&buf, inst));
break;
/* For tuqula instruction */
case INST_TYPE_RD:
diff --git a/opcodes/microblaze-opc.h b/opcodes/microblaze-opc.h
index d3b234e1fcd..28dc991c430 100644
--- a/opcodes/microblaze-opc.h
+++ b/opcodes/microblaze-opc.h
@@ -40,7 +40,7 @@
#define INST_TYPE_RD_SPECIAL 11
#define INST_TYPE_R1 12
/* New instn type for barrel shift imms. */
-#define INST_TYPE_RD_R1_IMM5 13
+#define INST_TYPE_RD_R1_IMMS 13
#define INST_TYPE_RD_RFSL 14
#define INST_TYPE_R1_RFSL 15
@@ -60,7 +60,13 @@
#define INST_TYPE_IMM5 20
/* For bsefi and bsifi */
-#define INST_TYPE_RD_R1_IMM5_IMM5 21
+#define INST_TYPE_RD_R1_IMMW_IMMS 21
+
+/* For 64-bit instructions */
+#define INST_TYPE_IMML 22
+#define INST_TYPE_RD_R1_IMML 23
+#define INST_TYPE_R1_IMML 24
+#define INST_TYPE_RD_R1_IMMW_IMMS 21
#define INST_TYPE_NONE 25
@@ -91,13 +97,14 @@
#define OPCODE_MASK_H24 0xFC1F07FF /* High 6, bits 20-16 and low 11 bits. */
#define OPCODE_MASK_H124 0xFFFF07FF /* High 16, and low 11 bits. */
#define OPCODE_MASK_H1234 0xFFFFFFFF /* All 32 bits. */
-#define OPCODE_MASK_H3 0xFC000600 /* High 6 bits and bits 21, 22. */
-#define OPCODE_MASK_H3B 0xFC00C600 /* High 6 bits and bits 16, 17, 21, 22. */
+#define OPCODE_MASK_H3 0xFC000700 /* High 6 bits and bits 21, 22, 23. */
+#define OPCODE_MASK_H3B 0xFC00E600 /* High 6 bits and bits 16, 17, 18, 21, 22. */
#define OPCODE_MASK_H32 0xFC00FC00 /* High 6 bits and bit 16-21. */
-#define OPCODE_MASK_H32B 0xFC00C000 /* High 6 bits and bit 16, 17. */
+#define OPCODE_MASK_H32B 0xFC00E000 /* High 6 bits and bit 16, 17, 18. */
#define OPCODE_MASK_H34B 0xFC0000FF /* High 6 bits and low 8 bits. */
#define OPCODE_MASK_H35B 0xFC0004FF /* High 6 bits and low 9 bits. */
#define OPCODE_MASK_H34C 0xFC0007E0 /* High 6 bits and bits 21-26. */
+#define OPCODE_MASK_H8 0xFF000000 /* High 8 bits only. */
/* New Mask for msrset, msrclr insns. */
#define OPCODE_MASK_H23N 0xFC1F8000 /* High 6 and bits 11 - 16. */
@@ -107,7 +114,7 @@
#define DELAY_SLOT 1
#define NO_DELAY_SLOT 0
-#define MAX_OPCODES 301
+#define MAX_OPCODES 412
struct op_code_struct
{
@@ -125,6 +132,7 @@ struct op_code_struct
/* More info about output format here. */
} opcodes[MAX_OPCODES] =
{
+ /* 32-bit instructions */
{"add", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x00000000, OPCODE_MASK_H4, add, arithmetic_inst },
{"rsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H4, rsub, arithmetic_inst },
{"addc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x08000000, OPCODE_MASK_H4, addc, arithmetic_inst },
@@ -161,11 +169,11 @@ struct op_code_struct
{"ncget", INST_TYPE_RD_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C006000, OPCODE_MASK_H32, ncget, anyware_inst },
{"ncput", INST_TYPE_R1_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C00E000, OPCODE_MASK_H32, ncput, anyware_inst },
{"muli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x60000000, OPCODE_MASK_H, muli, mult_inst },
- {"bslli", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000400, OPCODE_MASK_H3, bslli, barrel_shift_inst },
- {"bsrai", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000200, OPCODE_MASK_H3, bsrai, barrel_shift_inst },
- {"bsrli", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000000, OPCODE_MASK_H3, bsrli, barrel_shift_inst },
- {"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 },
- {"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 },
+ {"bslli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000400, OPCODE_MASK_H3B, bslli, barrel_shift_inst },
+ {"bsrai", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000200, OPCODE_MASK_H3B, bsrai, barrel_shift_inst },
+ {"bsrli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000000, OPCODE_MASK_H3B, bsrli, barrel_shift_inst },
+ {"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 },
+ {"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 },
{"or", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000000, OPCODE_MASK_H4, microblaze_or, logical_inst },
{"and", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x84000000, OPCODE_MASK_H4, microblaze_and, logical_inst },
{"xor", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000000, OPCODE_MASK_H4, microblaze_xor, logical_inst },
@@ -425,6 +433,129 @@ struct op_code_struct
{"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. */
{"swapb", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900001E0, OPCODE_MASK_H4, swapb, arithmetic_inst },
{"swaph", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900001E2, OPCODE_MASK_H4, swaph, arithmetic_inst },
+
+ /* 64-bit instructions */
+ {"addl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x00000100, OPCODE_MASK_H4, addl, arithmetic_inst },
+ {"rsubl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000100, OPCODE_MASK_H4, rsubl, arithmetic_inst },
+ {"addlc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x08000100, OPCODE_MASK_H4, addlc, arithmetic_inst },
+ {"rsublc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x0C000100, OPCODE_MASK_H4, rsublc, arithmetic_inst },
+ {"addlk", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x10000100, OPCODE_MASK_H4, addlk, arithmetic_inst },
+ {"rsublk", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000100, OPCODE_MASK_H4, rsublk, arithmetic_inst },
+ {"addlkc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x18000100, OPCODE_MASK_H4, addlkc, arithmetic_inst },
+ {"rsublkc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x1C000100, OPCODE_MASK_H4, rsublkc, arithmetic_inst },
+ {"cmpl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000101, OPCODE_MASK_H4, cmpl, arithmetic_inst },
+ {"cmplu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000103, OPCODE_MASK_H4, cmplu, arithmetic_inst },
+ {"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 */
+ {"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 */
+ {"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 */
+ {"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 */
+ {"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 */
+ {"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 */
+ {"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 */
+ {"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 */
+ {"mull", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x40000100, OPCODE_MASK_H4, mull, mult_inst },
+ {"bslll", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000500, OPCODE_MASK_H3, bslll, barrel_shift_inst },
+ {"bslra", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000300, OPCODE_MASK_H3, bslra, barrel_shift_inst },
+ {"bslrl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000100, OPCODE_MASK_H3, bslrl, barrel_shift_inst },
+ {"bsllli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002400, OPCODE_MASK_H3B, bsllli, barrel_shift_inst },
+ {"bslrai", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002200, OPCODE_MASK_H3B, bslrai, barrel_shift_inst },
+ {"bslrli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002000, OPCODE_MASK_H3B, bslrli, barrel_shift_inst },
+ {"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 },
+ {"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 },
+ {"orl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000100, OPCODE_MASK_H4, orl, logical_inst },
+ {"andl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x84000100, OPCODE_MASK_H4, andl, logical_inst },
+ {"xorl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000100, OPCODE_MASK_H4, xorl, logical_inst },
+ {"andnl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x8C000100, OPCODE_MASK_H4, andnl, logical_inst },
+ {"pcmplbf", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000500, OPCODE_MASK_H4, pcmplbf, logical_inst },
+ {"pcmpleq", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000500, OPCODE_MASK_H4, pcmpleq, logical_inst },
+ {"pcmplne", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x8C000500, OPCODE_MASK_H4, pcmplne, logical_inst },
+ {"srla", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000101, OPCODE_MASK_H34, srla, logical_inst },
+ {"srlc", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000121, OPCODE_MASK_H34, srlc, logical_inst },
+ {"srll", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000141, OPCODE_MASK_H34, srll, logical_inst },
+ {"sextl8", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000160, OPCODE_MASK_H34, sextl8, logical_inst },
+ {"sextl16", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000161, OPCODE_MASK_H34, sextl16, logical_inst },
+ {"sextl32", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000162, OPCODE_MASK_H34, sextl32, logical_inst },
+ {"brea", INST_TYPE_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98010000, OPCODE_MASK_H124, brea, branch_inst },
+ {"bread", INST_TYPE_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98110000, OPCODE_MASK_H124, bread, branch_inst },
+ {"breald", INST_TYPE_RD_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98150000, OPCODE_MASK_H24, breald, branch_inst },
+ {"beaeq", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D000000, OPCODE_MASK_H14, beaeq, branch_inst },
+ {"bealeq", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D000100, OPCODE_MASK_H14, bealeq, branch_inst },
+ {"beaeqd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F000000, OPCODE_MASK_H14, beaeqd, branch_inst },
+ {"bealeqd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F000100, OPCODE_MASK_H14, bealeqd, branch_inst },
+ {"beane", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D200000, OPCODE_MASK_H14, beane, branch_inst },
+ {"bealne", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D200100, OPCODE_MASK_H14, bealne, branch_inst },
+ {"beaned", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F200000, OPCODE_MASK_H14, beaned, branch_inst },
+ {"bealned", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F200100, OPCODE_MASK_H14, bealned, branch_inst },
+ {"bealt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D400000, OPCODE_MASK_H14, bealt, branch_inst },
+ {"beallt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D400100, OPCODE_MASK_H14, beallt, branch_inst },
+ {"bealtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F400000, OPCODE_MASK_H14, bealtd, branch_inst },
+ {"bealltd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F400100, OPCODE_MASK_H14, bealltd, branch_inst },
+ {"beale", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D600000, OPCODE_MASK_H14, beale, branch_inst },
+ {"bealle", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D600100, OPCODE_MASK_H14, bealle, branch_inst },
+ {"bealed", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F600000, OPCODE_MASK_H14, bealed, branch_inst },
+ {"bealled", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F600100, OPCODE_MASK_H14, bealled, branch_inst },
+ {"beagt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D800000, OPCODE_MASK_H14, beagt, branch_inst },
+ {"bealgt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D800100, OPCODE_MASK_H14, bealgt, branch_inst },
+ {"beagtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F800000, OPCODE_MASK_H14, beagtd, branch_inst },
+ {"bealgtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F800100, OPCODE_MASK_H14, bealgtd, branch_inst },
+ {"beage", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9DA00000, OPCODE_MASK_H14, beage, branch_inst },
+ {"bealge", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9DA00100, OPCODE_MASK_H14, bealge, branch_inst },
+ {"beaged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9FA00000, OPCODE_MASK_H14, beaged, branch_inst },
+ {"bealged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9FA00100, OPCODE_MASK_H14, bealged, branch_inst },
+ {"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 */
+ {"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 */
+ {"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 */
+ {"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 */
+ {"imml", INST_TYPE_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB2000000, OPCODE_MASK_H8, imml, immediate_inst },
+ {"breai", INST_TYPE_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8010000, OPCODE_MASK_H12, breai, branch_inst },
+ {"breaid", INST_TYPE_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8110000, OPCODE_MASK_H12, breaid, branch_inst },
+ {"brealid", INST_TYPE_RD_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8150000, OPCODE_MASK_H2, brealid, branch_inst },
+ {"beaeqi", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD000000, OPCODE_MASK_H1, beaeqi, branch_inst },
+ {"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 */
+ {"beaeqid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF000000, OPCODE_MASK_H1, beaeqid, branch_inst },
+ {"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 */
+ {"beanei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD200000, OPCODE_MASK_H1, beanei, branch_inst },
+ {"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 */
+ {"beaneid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF200000, OPCODE_MASK_H1, beaneid, branch_inst },
+ {"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 */
+ {"bealti", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD400000, OPCODE_MASK_H1, bealti, branch_inst },
+ {"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 */
+ {"bealtid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF400000, OPCODE_MASK_H1, bealtid, branch_inst },
+ {"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 */
+ {"bealei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD600000, OPCODE_MASK_H1, bealei, branch_inst },
+ {"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 */
+ {"bealeid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF600000, OPCODE_MASK_H1, bealeid, branch_inst },
+ {"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 */
+ {"beagti", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD800000, OPCODE_MASK_H1, beagti, branch_inst },
+ {"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 */
+ {"beagtid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF800000, OPCODE_MASK_H1, beagtid, branch_inst },
+ {"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 */
+ {"beagei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBDA00000, OPCODE_MASK_H1, beagei, branch_inst },
+ {"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 */
+ {"beageid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBFA00000, OPCODE_MASK_H1, beageid, branch_inst },
+ {"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 */
+ {"ll", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000100, OPCODE_MASK_H4, ll, memory_load_inst },
+ {"llr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000300, OPCODE_MASK_H4, llr, memory_load_inst },
+ {"sl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000100, OPCODE_MASK_H4, sl, memory_store_inst },
+ {"slr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000300, OPCODE_MASK_H4, slr, memory_store_inst },
+ {"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 */
+ {"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 */
+ {"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 */
+ {"dadd", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000400, OPCODE_MASK_H4, dadd, arithmetic_inst },
+ {"drsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000480, OPCODE_MASK_H4, drsub, arithmetic_inst },
+ {"dmul", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000500, OPCODE_MASK_H4, dmul, arithmetic_inst },
+ {"ddiv", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000580, OPCODE_MASK_H4, ddiv, arithmetic_inst },
+ {"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 },
+ {"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 },
+ {"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 },
+ {"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 },
+ {"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 },
+ {"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 },
+ {"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 },
+ {"dbl", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000680, OPCODE_MASK_H4, dbl, arithmetic_inst },
+ {"dlong", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000700, OPCODE_MASK_H4, dlong, arithmetic_inst },
+ {"dsqrt", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000780, OPCODE_MASK_H4, dsqrt, arithmetic_inst },
+
{"", 0, 0, 0, 0, 0, 0, 0, 0},
};
@@ -445,8 +576,17 @@ char pvr_register_prefix[] = "rpvr";
#define MIN_IMM5 ((int) 0x00000000)
#define MAX_IMM5 ((int) 0x0000001f)
+#define MIN_IMM6 ((int) 0x00000000)
+#define MAX_IMM6 ((int) 0x0000003f)
+
#define MIN_IMM_WIDTH ((int) 0x00000001)
#define MAX_IMM_WIDTH ((int) 0x00000020)
+#define MIN_IMM6_WIDTH ((int) 0x00000001)
+#define MAX_IMM6_WIDTH ((int) 0x00000040)
+
+#define MIN_IMML ((long) 0xffffff8000000000L)
+#define MAX_IMML ((long) 0x0000007fffffffffL)
+
#endif /* MICROBLAZE_OPC */
diff --git a/opcodes/microblaze-opcm.h b/opcodes/microblaze-opcm.h
index c3b2b8f0f6e..ad475a4af15 100644
--- a/opcodes/microblaze-opcm.h
+++ b/opcodes/microblaze-opcm.h
@@ -25,6 +25,7 @@
enum microblaze_instr
{
+ /* 32-bit instructions */
add, rsub, addc, rsubc, addk, rsubk, addkc, rsubkc, clz, cmp, cmpu,
addi, rsubi, addic, rsubic, addik, rsubik, addikc, rsubikc, mul,
mulh, mulhu, mulhsu,swapb,swaph,
@@ -58,6 +59,18 @@ enum microblaze_instr
aputd, taputd, caputd, tcaputd, naputd, tnaputd, ncaputd, tncaputd,
eagetd, teagetd, ecagetd, tecagetd, neagetd, tneagetd, necagetd, tnecagetd,
eaputd, teaputd, ecaputd, tecaputd, neaputd, tneaputd, necaputd, tnecaputd,
+
+ /* 64-bit instructions */
+ addl, rsubl, addlc, rsublc, addlk, rsublk, addlkc, rsublkc, cmpl, cmplu, mull,
+ bslll, bslra, bslrl, bsllli, bslrai, bslrli, bslefi, bslifi, orl, andl, xorl,
+ andnl, pcmplbf, pcmpleq, pcmplne, srla, srlc, srll, sextl8, sextl16, sextl32,
+ brea, bread, breald, beaeq, bealeq, beaeqd, bealeqd, beane, bealne, beaned,
+ bealned, bealt, beallt, bealtd, bealltd, beale, bealle, bealed, bealled, beagt,
+ bealgt, beagtd, bealgtd, beage, bealge, beaged, bealged, breai, breaid, brealid,
+ beaeqi, beaeqid, beanei, beaneid, bealti, bealtid, bealei, bealeid, beagti,
+ beagtid, beagei, beageid, imml, ll, llr, sl, slr,
+ dadd, drsub, dmul, ddiv, dcmp_lt, dcmp_eq, dcmp_le, dcmp_gt, dcmp_ne, dcmp_ge,
+ dcmp_un, dbl, dlong, dsqrt,
invalid_inst
};
@@ -135,15 +148,18 @@ enum microblaze_instr_type
#define RA_MASK 0x001F0000
#define RB_MASK 0x0000F800
#define IMM_MASK 0x0000FFFF
+#define IMML_MASK 0x00FFFFFF
-/* Imm mask for barrel shifts. */
+/* Imm masks for barrel shifts. */
#define IMM5_MASK 0x0000001F
+#define IMM6_MASK 0x0000003F
/* Imm mask for mbar. */
#define IMM5_MBAR_MASK 0x03E00000
-/* Imm mask for extract/insert width. */
+/* Imm masks for extract/insert width. */
#define IMM5_WIDTH_MASK 0x000007C0
+#define IMM6_WIDTH_MASK 0x00000FC0
/* FSL imm mask for get, put instructions. */
#define RFSL_MASK 0x000000F
--
2.17.1