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authorJan Beulich <jbeulich@novell.com>2005-06-17 08:03:59 +0000
committerJan Beulich <jbeulich@novell.com>2005-06-17 08:03:59 +0000
commitd6ab8113e32876e3d8ca06ad090d3160d51c8e16 (patch)
treeb33aaa00d229952fbbe27876a714ca5337933031
parent7a55f27940166650342bc8e7dfcfe97d43a7e7ce (diff)
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bfd/
2005-06-17 Jan Beulich <jbeulich@novell.com> * bfd-in2.h (elf_x86_64_reloc_type): Add BFD_RELOC_X86_64_GOTOFF64 and BFD_RELOC_X86_64_GOTPC32. * libbfd.h (bfd_reloc_code_real_names): Likewise. * elf64-x86-64.c (x86_64_elf_howto_table): Add entries for R_X86_64_PC64, R_X86_64_GOTOFF64, and R_X86_64_GOTPC32. (x86_64_reloc_map): Add entries for R_X86_64_PC64, R_X86_64_GOTOFF64, and R_X86_64_GOTPC32. (elf64_x86_64_info_to_howto): Adjust bounding relocation type. (elf64_x86_64_check_relocs): Also handle R_X86_64_PC64, R_X86_64_GOTOFF64, and R_X86_64_GOTPC32. (elf64_x86_64_relocate_section): Likewise. (elf64_x86_64_gc_sweep_hook): Also handle R_X86_64_PC64. gas/ 2005-06-17 Jan Beulich <jbeulich@novell.com> * config/tc-i386.c (reloc): Also handle BFD_RELOC_64_PCREL. (tc_i386_fix_adjustable): Include BFD_RELOC_X86_64_GOTOFF64, BFD_RELOC_X86_64_DTPOFF64, and BFD_RELOC_X86_64_TPOFF64. (output_disp): Do GOTPC conversion also for BFD_RELOC_X86_64_32S and BFD_RELOC_32_PCREL. Use BFD_RELOC_X86_64_GOTPC32 instead of aborting. (output_imm): Do GOTPC conversion also for BFD_RELOC_X86_64_32S. Use BFD_RELOC_X86_64_GOTPC32 instead of aborting. (tc_gen_reloc): Do GOTPC conversion also for BFD_RELOC_32_PCREL. Use BFD_RELOC_X86_64_GOTPC32 instead of aborting. Also handle BFD_RELOC_X86_64_GOTOFF64, BFD_RELOC_X86_64_GOTPC32, BFD_RELOC_X86_64_DTPOFF64, and BFD_RELOC_X86_64_TPOFF64. Also convert 8-byte pc-relative relocations. (lex_got): Use BFD_RELOC_X86_64_GOTOFF64 for 64-bit @gotoff. (i386_validate_fix): Likewise. (x86_cons): Also handle quad values in 64-bit mode. (i386_displacement): Also handle BFD_RELOC_X86_64_GOTOFF64. (md_apply_fix): Include BFD_RELOC_X86_64_DTPOFF64 and BFD_RELOC_X86_64_TPOFF64 in the TLS check. Also convert BFD_RELOC_64 to pc-relative variant. Also check for BFD_RELOC_64_PCREL. gas/testsuite/ 2005-06-17 Jan Beulich <jbeulich@novell.com> * gas/i386/x86-64-pcrel.s: Add insn requiring 64-bit pc-relative relocation. Add insns for all widths of non-pc-relative relocations. * gas/i386/x86-64-pcrel.d: Adjust. include/elf/ 2005-06-17 Jan Beulich <jbeulich@novell.com> * x86-64.h (elf_x86_64_reloc_type): Adjust comment for R_X86_64_GOTPCREL. Add R_X86_64_PC64, R_X86_64_GOTOFF64, and R_X86_64_GOTPC32.
-rw-r--r--bfd/ChangeLog15
-rw-r--r--bfd/bfd-in2.h2
-rw-r--r--bfd/elf64-x86-64.c70
-rw-r--r--bfd/libbfd.h2
-rw-r--r--gas/ChangeLog23
-rw-r--r--gas/config/tc-i386.c79
-rw-r--r--gas/testsuite/ChangeLog6
-rw-r--r--gas/testsuite/gas/i386/x86-64-pcrel.d11
-rw-r--r--gas/testsuite/gas/i386/x86-64-pcrel.s6
-rw-r--r--include/elf/ChangeLog6
-rw-r--r--include/elf/x86-64.h6
11 files changed, 187 insertions, 39 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 12e06b6..f374000 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,18 @@
+2005-06-17 Jan Beulich <jbeulich@novell.com>
+
+ * bfd-in2.h (elf_x86_64_reloc_type): Add BFD_RELOC_X86_64_GOTOFF64
+ and BFD_RELOC_X86_64_GOTPC32.
+ * libbfd.h (bfd_reloc_code_real_names): Likewise.
+ * elf64-x86-64.c (x86_64_elf_howto_table): Add entries for
+ R_X86_64_PC64, R_X86_64_GOTOFF64, and R_X86_64_GOTPC32.
+ (x86_64_reloc_map): Add entries for R_X86_64_PC64, R_X86_64_GOTOFF64,
+ and R_X86_64_GOTPC32.
+ (elf64_x86_64_info_to_howto): Adjust bounding relocation type.
+ (elf64_x86_64_check_relocs): Also handle R_X86_64_PC64,
+ R_X86_64_GOTOFF64, and R_X86_64_GOTPC32.
+ (elf64_x86_64_relocate_section): Likewise.
+ (elf64_x86_64_gc_sweep_hook): Also handle R_X86_64_PC64.
+
2005-06-15 Mark Kettenis <kettenis@gnu.org>
* archive.c: Include "libiberty.h".
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 739277c..1107dc4 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -2617,6 +2617,8 @@ in the instruction. */
BFD_RELOC_X86_64_DTPOFF32,
BFD_RELOC_X86_64_GOTTPOFF,
BFD_RELOC_X86_64_TPOFF32,
+ BFD_RELOC_X86_64_GOTOFF64,
+ BFD_RELOC_X86_64_GOTPC32,
/* ns32k relocations */
BFD_RELOC_NS32K_IMM_8,
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index 179530b..f63fd03 100644
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -103,6 +103,15 @@ static reloc_howto_type x86_64_elf_howto_table[] =
HOWTO(R_X86_64_TPOFF32, 0, 2, 32, FALSE, 0, complain_overflow_signed,
bfd_elf_generic_reloc, "R_X86_64_TPOFF32", FALSE, 0xffffffff,
0xffffffff, FALSE),
+ HOWTO(R_X86_64_PC64, 0, 4, 64, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_X86_64_PC64", FALSE, MINUS_ONE, MINUS_ONE,
+ TRUE),
+ HOWTO(R_X86_64_GOTOFF64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_X86_64_GOTOFF64",
+ FALSE, MINUS_ONE, MINUS_ONE, FALSE),
+ HOWTO(R_X86_64_GOTPC32, 0, 2, 32, TRUE, 0, complain_overflow_signed,
+ bfd_elf_generic_reloc, "R_X86_64_GOTPC32",
+ FALSE, 0xffffffff, 0xffffffff, TRUE),
/* GNU extension to record C++ vtable hierarchy. */
HOWTO (R_X86_64_GNU_VTINHERIT, 0, 4, 0, FALSE, 0, complain_overflow_dont,
@@ -147,6 +156,9 @@ static const struct elf_reloc_map x86_64_reloc_map[] =
{ BFD_RELOC_X86_64_DTPOFF32, R_X86_64_DTPOFF32, },
{ BFD_RELOC_X86_64_GOTTPOFF, R_X86_64_GOTTPOFF, },
{ BFD_RELOC_X86_64_TPOFF32, R_X86_64_TPOFF32, },
+ { BFD_RELOC_64_PCREL, R_X86_64_PC64, },
+ { BFD_RELOC_X86_64_GOTOFF64, R_X86_64_GOTOFF64, },
+ { BFD_RELOC_X86_64_GOTPC32, R_X86_64_GOTPC32, },
{ BFD_RELOC_VTABLE_INHERIT, R_X86_64_GNU_VTINHERIT, },
{ BFD_RELOC_VTABLE_ENTRY, R_X86_64_GNU_VTENTRY, },
};
@@ -179,13 +191,13 @@ elf64_x86_64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
r_type = ELF64_R_TYPE (dst->r_info);
if (r_type < (unsigned int) R_X86_64_GNU_VTINHERIT)
{
- BFD_ASSERT (r_type <= (unsigned int) R_X86_64_TPOFF32);
+ BFD_ASSERT (r_type <= (unsigned int) R_X86_64_GOTPC32);
i = r_type;
}
else
{
BFD_ASSERT (r_type < (unsigned int) R_X86_64_max);
- i = r_type - ((unsigned int) R_X86_64_GNU_VTINHERIT - R_X86_64_TPOFF32 - 1);
+ i = r_type - ((unsigned int) R_X86_64_GNU_VTINHERIT - R_X86_64_GOTPC32 - 1);
}
cache_ptr->howto = &x86_64_elf_howto_table[i];
BFD_ASSERT (r_type == cache_ptr->howto->type);
@@ -749,7 +761,8 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
}
/* Fall through */
- //case R_X86_64_GOTPCREL:
+ case R_X86_64_GOTOFF64:
+ case R_X86_64_GOTPC32:
create_got:
if (htab->sgot == NULL)
{
@@ -802,6 +815,7 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
case R_X86_64_PC8:
case R_X86_64_PC16:
case R_X86_64_PC32:
+ case R_X86_64_PC64:
case R_X86_64_64:
if (h != NULL && !info->shared)
{
@@ -816,7 +830,7 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
/* We may need a .plt entry if the function this reloc
refers to is in a shared lib. */
h->plt.refcount += 1;
- if (r_type != R_X86_64_PC32)
+ if (r_type != R_X86_64_PC32 && r_type != R_X86_64_PC64)
h->pointer_equality_needed = 1;
}
@@ -845,7 +859,8 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
&& (sec->flags & SEC_ALLOC) != 0
&& (((r_type != R_X86_64_PC8)
&& (r_type != R_X86_64_PC16)
- && (r_type != R_X86_64_PC32))
+ && (r_type != R_X86_64_PC32)
+ && (r_type != R_X86_64_PC64))
|| (h != NULL
&& (! info->symbolic
|| h->root.type == bfd_link_hash_defweak
@@ -948,7 +963,8 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
p->count += 1;
if (r_type == R_X86_64_PC8
|| r_type == R_X86_64_PC16
- || r_type == R_X86_64_PC32)
+ || r_type == R_X86_64_PC32
+ || r_type == R_X86_64_PC64)
p->pc_count += 1;
}
break;
@@ -1093,6 +1109,7 @@ elf64_x86_64_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
case R_X86_64_PC8:
case R_X86_64_PC16:
case R_X86_64_PC32:
+ case R_X86_64_PC64:
if (info->shared)
break;
/* Fall thru */
@@ -1941,6 +1958,42 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
break;
+ case R_X86_64_GOTOFF64:
+ /* Relocation is relative to the start of the global offset
+ table. */
+
+ /* Check to make sure it isn't a protected function symbol
+ for shared library since it may not be local when used
+ as function address. */
+ if (info->shared
+ && h
+ && h->def_regular
+ && h->type == STT_FUNC
+ && ELF_ST_VISIBILITY (h->other) == STV_PROTECTED)
+ {
+ (*_bfd_error_handler)
+ (_("%B: relocation R_X86_64_GOTOFF64 against protected function `%s' can not be used when making a shared object"),
+ input_bfd, h->root.root.string);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
+ /* Note that sgot is not involved in this
+ calculation. We always want the start of .got.plt. If we
+ defined _GLOBAL_OFFSET_TABLE_ in a different way, as is
+ permitted by the ABI, we might have to change this
+ calculation. */
+ relocation -= htab->sgotplt->output_section->vma
+ + htab->sgotplt->output_offset;
+ break;
+
+ case R_X86_64_GOTPC32:
+ /* Use global offset table as symbol value. */
+ relocation = htab->sgotplt->output_section->vma
+ + htab->sgotplt->output_offset;
+ unresolved_reloc = FALSE;
+ break;
+
case R_X86_64_PLT32:
/* Relocation is to the entry for this symbol in the
procedure linkage table. */
@@ -1999,6 +2052,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
case R_X86_64_8:
case R_X86_64_16:
case R_X86_64_32:
+ case R_X86_64_PC64:
case R_X86_64_64:
/* FIXME: The ABI says the linker should make sure the value is
the same when it's zeroextended to 64 bit. */
@@ -2016,7 +2070,8 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
|| h->root.type != bfd_link_hash_undefweak)
&& ((r_type != R_X86_64_PC8
&& r_type != R_X86_64_PC16
- && r_type != R_X86_64_PC32)
+ && r_type != R_X86_64_PC32
+ && r_type != R_X86_64_PC64)
|| !SYMBOL_CALLS_LOCAL (info, h)))
|| (ELIMINATE_COPY_RELOCS
&& !info->shared
@@ -2060,6 +2115,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
&& (r_type == R_X86_64_PC8
|| r_type == R_X86_64_PC16
|| r_type == R_X86_64_PC32
+ || r_type == R_X86_64_PC64
|| !info->shared
|| !info->symbolic
|| !h->def_regular))
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index a318744..df2fbca 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -1049,6 +1049,8 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_X86_64_DTPOFF32",
"BFD_RELOC_X86_64_GOTTPOFF",
"BFD_RELOC_X86_64_TPOFF32",
+ "BFD_RELOC_X86_64_GOTOFF64",
+ "BFD_RELOC_X86_64_GOTPC32",
"BFD_RELOC_NS32K_IMM_8",
"BFD_RELOC_NS32K_IMM_16",
"BFD_RELOC_NS32K_IMM_32",
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 6ca9791..fc33e1b 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,26 @@
+2005-06-17 Jan Beulich <jbeulich@novell.com>
+
+ * config/tc-i386.c (reloc): Also handle BFD_RELOC_64_PCREL.
+ (tc_i386_fix_adjustable): Include BFD_RELOC_X86_64_GOTOFF64,
+ BFD_RELOC_X86_64_DTPOFF64, and BFD_RELOC_X86_64_TPOFF64.
+ (output_disp): Do GOTPC conversion also for BFD_RELOC_X86_64_32S
+ and BFD_RELOC_32_PCREL. Use BFD_RELOC_X86_64_GOTPC32 instead of
+ aborting.
+ (output_imm): Do GOTPC conversion also for BFD_RELOC_X86_64_32S.
+ Use BFD_RELOC_X86_64_GOTPC32 instead of aborting.
+ (tc_gen_reloc): Do GOTPC conversion also for BFD_RELOC_32_PCREL.
+ Use BFD_RELOC_X86_64_GOTPC32 instead of aborting. Also handle
+ BFD_RELOC_X86_64_GOTOFF64, BFD_RELOC_X86_64_GOTPC32,
+ BFD_RELOC_X86_64_DTPOFF64, and BFD_RELOC_X86_64_TPOFF64. Also
+ convert 8-byte pc-relative relocations.
+ (lex_got): Use BFD_RELOC_X86_64_GOTOFF64 for 64-bit @gotoff.
+ (i386_validate_fix): Likewise.
+ (x86_cons): Also handle quad values in 64-bit mode.
+ (i386_displacement): Also handle BFD_RELOC_X86_64_GOTOFF64.
+ (md_apply_fix): Include BFD_RELOC_X86_64_DTPOFF64 and
+ BFD_RELOC_X86_64_TPOFF64 in the TLS check. Also convert BFD_RELOC_64
+ to pc-relative variant. Also check for BFD_RELOC_64_PCREL.
+
2005-06-13 Zack Weinberg <zack@codesourcery.com>
* config/tc-arm.c (find_real_start): Check S_IS_LOCAL on
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 0095797..18df9cf 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -1222,6 +1222,7 @@ reloc (size, pcrel, sign, other)
case 1: return BFD_RELOC_8_PCREL;
case 2: return BFD_RELOC_16_PCREL;
case 4: return BFD_RELOC_32_PCREL;
+ case 8: return BFD_RELOC_64_PCREL;
}
as_bad (_("can not do %d byte pc-relative relocation"), size);
}
@@ -1292,8 +1293,11 @@ tc_i386_fix_adjustable (fixP)
|| fixP->fx_r_type == BFD_RELOC_X86_64_TLSGD
|| fixP->fx_r_type == BFD_RELOC_X86_64_TLSLD
|| fixP->fx_r_type == BFD_RELOC_X86_64_DTPOFF32
+ || fixP->fx_r_type == BFD_RELOC_X86_64_DTPOFF64
|| fixP->fx_r_type == BFD_RELOC_X86_64_GOTTPOFF
|| fixP->fx_r_type == BFD_RELOC_X86_64_TPOFF32
+ || fixP->fx_r_type == BFD_RELOC_X86_64_TPOFF64
+ || fixP->fx_r_type == BFD_RELOC_X86_64_GOTOFF64
|| fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|| fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
return 0;
@@ -3502,14 +3506,16 @@ output_disp (insn_start_frag, insn_start_off)
p = frag_more (size);
reloc_type = reloc (size, pcrel, sign, i.reloc[n]);
- if (reloc_type == BFD_RELOC_32
- && GOT_symbol
+ if (GOT_symbol
&& GOT_symbol == i.op[n].disps->X_add_symbol
- && (i.op[n].disps->X_op == O_symbol
- || (i.op[n].disps->X_op == O_add
- && ((symbol_get_value_expression
- (i.op[n].disps->X_op_symbol)->X_op)
- == O_subtract))))
+ && (((reloc_type == BFD_RELOC_32
+ || reloc_type == BFD_RELOC_X86_64_32S)
+ && (i.op[n].disps->X_op == O_symbol
+ || (i.op[n].disps->X_op == O_add
+ && ((symbol_get_value_expression
+ (i.op[n].disps->X_op_symbol)->X_op)
+ == O_subtract))))
+ || reloc_type == BFD_RELOC_32_PCREL))
{
offsetT add;
@@ -3526,10 +3532,10 @@ output_disp (insn_start_frag, insn_start_off)
add += p - frag_now->fr_literal;
}
- /* We don't support dynamic linking on x86-64 yet. */
- if (flag_code == CODE_64BIT)
- abort ();
- reloc_type = BFD_RELOC_386_GOTPC;
+ if (flag_code != CODE_64BIT)
+ reloc_type = BFD_RELOC_386_GOTPC;
+ else
+ reloc_type = BFD_RELOC_X86_64_GOTPC32;
i.op[n].disps->X_add_number += add;
}
fix_new_exp (frag_now, p - frag_now->fr_literal, size,
@@ -3638,7 +3644,8 @@ output_imm (insn_start_frag, insn_start_off)
* since the expression is not pcrel, I felt it would be
* confusing to do it this way. */
- if (reloc_type == BFD_RELOC_32
+ if ((reloc_type == BFD_RELOC_32
+ || reloc_type == BFD_RELOC_X86_64_32S)
&& GOT_symbol
&& GOT_symbol == i.op[n].imms->X_add_symbol
&& (i.op[n].imms->X_op == O_symbol
@@ -3662,10 +3669,10 @@ output_imm (insn_start_frag, insn_start_off)
add += p - frag_now->fr_literal;
}
- /* We don't support dynamic linking on x86-64 yet. */
- if (flag_code == CODE_64BIT)
- abort ();
- reloc_type = BFD_RELOC_386_GOTPC;
+ if (flag_code != CODE_64BIT)
+ reloc_type = BFD_RELOC_386_GOTPC;
+ else
+ reloc_type = BFD_RELOC_X86_64_GOTPC32;
i.op[n].imms->X_add_number += add;
}
fix_new_exp (frag_now, p - frag_now->fr_literal, size,
@@ -3698,7 +3705,7 @@ lex_got (reloc, adjust)
const enum bfd_reloc_code_real rel[NUM_FLAG_CODE];
} gotrel[] = {
{ "PLT", { BFD_RELOC_386_PLT32, 0, BFD_RELOC_X86_64_PLT32 } },
- { "GOTOFF", { BFD_RELOC_386_GOTOFF, 0, 0 } },
+ { "GOTOFF", { BFD_RELOC_386_GOTOFF, 0, BFD_RELOC_X86_64_GOTOFF64 } },
{ "GOTPCREL", { 0, 0, BFD_RELOC_X86_64_GOTPCREL } },
{ "TLSGD", { BFD_RELOC_386_TLS_GD, 0, BFD_RELOC_X86_64_TLSGD } },
{ "TLSLDM", { BFD_RELOC_386_TLS_LDM, 0, 0 } },
@@ -3792,7 +3799,7 @@ x86_cons (exp, size)
expressionS *exp;
int size;
{
- if (size == 4)
+ if (size == 4 || (flag_code == CODE_64BIT && size == 8))
{
/* Handle @GOTOFF and the like in an expression. */
char *save;
@@ -4104,7 +4111,8 @@ i386_displacement (disp_start, disp_end)
the symbol table. We will ultimately change the relocation
to be relative to the beginning of the section. */
if (i.reloc[this_operand] == BFD_RELOC_386_GOTOFF
- || i.reloc[this_operand] == BFD_RELOC_X86_64_GOTPCREL)
+ || i.reloc[this_operand] == BFD_RELOC_X86_64_GOTPCREL
+ || i.reloc[this_operand] == BFD_RELOC_X86_64_GOTOFF64)
{
if (exp->X_op != O_symbol)
{
@@ -4122,6 +4130,8 @@ i386_displacement (disp_start, disp_end)
exp->X_op_symbol = GOT_symbol;
if (i.reloc[this_operand] == BFD_RELOC_X86_64_GOTPCREL)
i.reloc[this_operand] = BFD_RELOC_32_PCREL;
+ else if (i.reloc[this_operand] == BFD_RELOC_X86_64_GOTOFF64)
+ i.reloc[this_operand] = BFD_RELOC_64;
else
i.reloc[this_operand] = BFD_RELOC_32;
}
@@ -4812,6 +4822,9 @@ md_apply_fix (fixP, valP, seg)
default:
break;
+ case BFD_RELOC_64:
+ fixP->fx_r_type = BFD_RELOC_64_PCREL;
+ break;
case BFD_RELOC_32:
case BFD_RELOC_X86_64_32S:
fixP->fx_r_type = BFD_RELOC_32_PCREL;
@@ -4827,6 +4840,7 @@ md_apply_fix (fixP, valP, seg)
if (fixP->fx_addsy != NULL
&& (fixP->fx_r_type == BFD_RELOC_32_PCREL
+ || fixP->fx_r_type == BFD_RELOC_64_PCREL
|| fixP->fx_r_type == BFD_RELOC_16_PCREL
|| fixP->fx_r_type == BFD_RELOC_8_PCREL)
&& !use_rela_relocations)
@@ -4901,7 +4915,9 @@ md_apply_fix (fixP, valP, seg)
case BFD_RELOC_386_TLS_LDO_32:
case BFD_RELOC_386_TLS_LE_32:
case BFD_RELOC_X86_64_DTPOFF32:
+ case BFD_RELOC_X86_64_DTPOFF64:
case BFD_RELOC_X86_64_TPOFF32:
+ case BFD_RELOC_X86_64_TPOFF64:
S_SET_THREAD_LOCAL (fixP->fx_addsy);
break;
@@ -5339,7 +5355,6 @@ i386_validate_fix (fixp)
{
if (fixp->fx_subsy && fixp->fx_subsy == GOT_symbol)
{
- /* GOTOFF relocation are nonsense in 64bit mode. */
if (fixp->fx_r_type == BFD_RELOC_32_PCREL)
{
if (flag_code != CODE_64BIT)
@@ -5348,9 +5363,10 @@ i386_validate_fix (fixp)
}
else
{
- if (flag_code == CODE_64BIT)
- abort ();
- fixp->fx_r_type = BFD_RELOC_386_GOTOFF;
+ if (flag_code != CODE_64BIT)
+ fixp->fx_r_type = BFD_RELOC_386_GOTOFF;
+ else
+ fixp->fx_r_type = BFD_RELOC_X86_64_GOTOFF64;
}
fixp->fx_subsy = 0;
}
@@ -5384,8 +5400,12 @@ tc_gen_reloc (section, fixp)
case BFD_RELOC_X86_64_TLSGD:
case BFD_RELOC_X86_64_TLSLD:
case BFD_RELOC_X86_64_DTPOFF32:
+ case BFD_RELOC_X86_64_DTPOFF64:
case BFD_RELOC_X86_64_GOTTPOFF:
case BFD_RELOC_X86_64_TPOFF32:
+ case BFD_RELOC_X86_64_TPOFF64:
+ case BFD_RELOC_X86_64_GOTOFF64:
+ case BFD_RELOC_X86_64_GOTPC32:
case BFD_RELOC_RVA:
case BFD_RELOC_VTABLE_ENTRY:
case BFD_RELOC_VTABLE_INHERIT:
@@ -5415,6 +5435,9 @@ tc_gen_reloc (section, fixp)
case 1: code = BFD_RELOC_8_PCREL; break;
case 2: code = BFD_RELOC_16_PCREL; break;
case 4: code = BFD_RELOC_32_PCREL; break;
+#ifdef BFD64
+ case 8: code = BFD_RELOC_64_PCREL; break;
+#endif
}
}
else
@@ -5438,14 +5461,14 @@ tc_gen_reloc (section, fixp)
break;
}
- if (code == BFD_RELOC_32
+ if ((code == BFD_RELOC_32 || code == BFD_RELOC_32_PCREL)
&& GOT_symbol
&& fixp->fx_addsy == GOT_symbol)
{
- /* We don't support GOTPC on 64bit targets. */
- if (flag_code == CODE_64BIT)
- abort ();
- code = BFD_RELOC_386_GOTPC;
+ if (flag_code != CODE_64BIT)
+ code = BFD_RELOC_386_GOTPC;
+ else
+ code = BFD_RELOC_X86_64_GOTPC32;
}
rel = (arelent *) xmalloc (sizeof (arelent));
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 35f59b9..1dd1ccf 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2005-06-17 Jan Beulich <jbeulich@novell.com>
+
+ * gas/i386/x86-64-pcrel.s: Add insn requiring 64-bit pc-relative
+ relocation. Add insns for all widths of non-pc-relative relocations.
+ * gas/i386/x86-64-pcrel.d: Adjust.
+
2005-06-13 Zack Weinberg <zack@codesourcery.com>
* gas/arm/thumb.s: Only branch to labels defined in this file.
diff --git a/gas/testsuite/gas/i386/x86-64-pcrel.d b/gas/testsuite/gas/i386/x86-64-pcrel.d
index 3d647bf..3be86c7 100644
--- a/gas/testsuite/gas/i386/x86-64-pcrel.d
+++ b/gas/testsuite/gas/i386/x86-64-pcrel.d
@@ -8,7 +8,12 @@ Disassembly of section .text:
0+000 <_start>:
[ ]*[0-9a-f]+:[ ]+b0 00[ ]+movb?[ ]+\$(0x)?0,%al[ ]*[0-9a-f]+:[ ]+R_X86_64_PC8[ ]+xtrn\+(0x)?1
[ ]*[0-9a-f]+:[ ]+66 b8 00 00[ ]+movw?[ ]+\$(0x)?0,%ax[ ]*[0-9a-f]+:[ ]+R_X86_64_PC16[ ]+xtrn\+(0x)?2
-[ ]*[0-9a-f]+:[ ]+b8 00 00 00 00[ ]+movl?[ ]+\$(0x)?0,%eax[ ]*[0-9a-f]+:[ ]+R_X86_64_PC32[ ]+xtrn\+(0x)?1
-[ ]*[0-9a-f]+:[ ]+48 c7 c0 00 00 00 00[ ]+movq?[ ]+\$(0x)?0,%rax[ ]*[0-9a-f]+:[ ]+R_X86_64_PC32[ ]+xtrn\+(0x)?3
-[ ]*[0-9a-f]+:[ ]+48 c7 c0 00 00 00 00[ ]+movq?[ ]+\$(0x)?0,%rax[ ]*[0-9a-f]+:[ ]+R_X86_64_32S[ ]+xtrn
+[ ]*[0-9a-f]+:[ ]+b8( 00){4}[ ]+movl?[ ]+\$(0x)?0,%eax[ ]*[0-9a-f]+:[ ]+R_X86_64_PC32[ ]+xtrn\+(0x)?1
+[ ]*[0-9a-f]+:[ ]+48 c7 c0( 00){4}[ ]+movq?[ ]+\$(0x)?0,%rax[ ]*[0-9a-f]+:[ ]+R_X86_64_PC32[ ]+xtrn\+(0x)?3
+[ ]*[0-9a-f]+:[ ]+48 b8( 00){8}[ ]+mov(abs)?q?[ ]+\$(0x)?0,%rax[ ]*[0-9a-f]+:[ ]+R_X86_64_PC64[ ]+xtrn\+(0x)?2
+[ ]*[0-9a-f]+:[ ]+b0 00[ ]+movb?[ ]+\$(0x)?0,%al[ ]*[0-9a-f]+:[ ]+R_X86_64_8[ ]+xtrn
+[ ]*[0-9a-f]+:[ ]+66 b8 00 00[ ]+movw?[ ]+\$(0x)?0,%ax[ ]*[0-9a-f]+:[ ]+R_X86_64_16[ ]+xtrn
+[ ]*[0-9a-f]+:[ ]+b8( 00){4}[ ]+movl?[ ]+\$(0x)?0,%eax[ ]*[0-9a-f]+:[ ]+R_X86_64_32[ ]+xtrn
+[ ]*[0-9a-f]+:[ ]+48 c7 c0( 00){4}[ ]+movq?[ ]+\$(0x)?0,%rax[ ]*[0-9a-f]+:[ ]+R_X86_64_32S[ ]+xtrn
+[ ]*[0-9a-f]+:[ ]+48 b8( 00){8}[ ]+mov(abs)?q?[ ]+\$(0x)?0,%rax[ ]*[0-9a-f]+:[ ]+R_X86_64_64[ ]+xtrn
#pass
diff --git a/gas/testsuite/gas/i386/x86-64-pcrel.s b/gas/testsuite/gas/i386/x86-64-pcrel.s
index c58e093..d4dcd9e 100644
--- a/gas/testsuite/gas/i386/x86-64-pcrel.s
+++ b/gas/testsuite/gas/i386/x86-64-pcrel.s
@@ -4,6 +4,12 @@ _start:
movw $(xtrn - .), %ax
movl $(xtrn - .), %eax
movq $(xtrn - .), %rax
+ movabsq $(xtrn - .), %rax
+
+ movb $xtrn, %al
+ movw $xtrn, %ax
+ movl $xtrn, %eax
movq $xtrn, %rax
+ movabsq $xtrn, %rax
.p2align 4,0
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 8aa8fe7..40d7853 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,9 @@
+2005-06-17 Jan Beulich <jbeulich@novell.com>
+
+ * x86-64.h (elf_x86_64_reloc_type): Adjust comment for
+ R_X86_64_GOTPCREL. Add R_X86_64_PC64, R_X86_64_GOTOFF64, and
+ R_X86_64_GOTPC32.
+
2005-06-07 Aldy Hernandez <aldyh@redhat.com>
Michael Snyder <msnyder@redhat.com>
Stan Cox <scox@redhat.com>
diff --git a/include/elf/x86-64.h b/include/elf/x86-64.h
index ed6f0d9..d83fc20 100644
--- a/include/elf/x86-64.h
+++ b/include/elf/x86-64.h
@@ -34,7 +34,7 @@ START_RELOC_NUMBERS (elf_x86_64_reloc_type)
RELOC_NUMBER (R_X86_64_JUMP_SLOT,7) /* Create PLT entry */
RELOC_NUMBER (R_X86_64_RELATIVE, 8) /* Adjust by program base */
RELOC_NUMBER (R_X86_64_GOTPCREL, 9) /* 32 bit signed pc relative
- offset to GOT */
+ offset to GOT entry */
RELOC_NUMBER (R_X86_64_32, 10) /* Direct 32 bit zero extended */
RELOC_NUMBER (R_X86_64_32S, 11) /* Direct 32 bit sign extended */
RELOC_NUMBER (R_X86_64_16, 12) /* Direct 16 bit zero extended */
@@ -49,6 +49,10 @@ START_RELOC_NUMBERS (elf_x86_64_reloc_type)
RELOC_NUMBER (R_X86_64_DTPOFF32, 21) /* Offset in TLS block */
RELOC_NUMBER (R_X86_64_GOTTPOFF, 22) /* PC relative offset to IE GOT entry */
RELOC_NUMBER (R_X86_64_TPOFF32, 23) /* Offset in initial TLS block */
+ RELOC_NUMBER (R_X86_64_PC64, 24) /* PC relative 64 bit */
+ RELOC_NUMBER (R_X86_64_GOTOFF64, 25) /* 64 bit offset to GOT */
+ RELOC_NUMBER (R_X86_64_GOTPC32, 26) /* 32 bit signed pc relative
+ offset to GOT */
RELOC_NUMBER (R_X86_64_GNU_VTINHERIT, 250) /* GNU C++ hack */
RELOC_NUMBER (R_X86_64_GNU_VTENTRY, 251) /* GNU C++ hack */
END_RELOC_NUMBERS (R_X86_64_max)