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.
This commit is contained in:
Jan Beulich 2005-06-17 08:03:59 +00:00
parent 7a55f27940
commit d6ab8113e3
11 changed files with 187 additions and 39 deletions

View File

@ -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".

View File

@ -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,

View File

@ -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))

View File

@ -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",

View File

@ -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

View File

@ -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));

View File

@ -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.

View File

@ -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

View File

@ -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

View File

@ -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>

View File

@ -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)