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authorAndreas Schwab <schwab@linux-m68k.org>2002-04-24 14:56:07 +0000
committerAndreas Schwab <schwab@linux-m68k.org>2002-04-24 14:56:07 +0000
commit062cd5e7fc34f6b63e2672e21b9ee8c69ec358f0 (patch)
tree5757adabb4740349329011a252e116d6c54803ae /gas
parent21d83aa55ad8543b4a732680302aba99cb89b8b7 (diff)
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* config/tc-i386.c (output_jump, output_disp)
(md_estimate_size_before_relax): Don't set fx_pcrel_adjust any more. (md_apply_fix3): Remember addend value for rela relocations. (tc_gen_reloc): Correctly compute pc-relative relocation addend.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog8
-rw-r--r--gas/config/tc-i386.c65
2 files changed, 44 insertions, 29 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 33daed1..0bc6cd2 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,11 @@
+2002-04-24 Andreas Schwab <schwab@suse.de>
+
+ * config/tc-i386.c (output_jump, output_disp)
+ (md_estimate_size_before_relax): Don't set fx_pcrel_adjust any
+ more.
+ (md_apply_fix3): Remember addend value for rela relocations.
+ (tc_gen_reloc): Correctly compute pc-relative relocation addend.
+
2002-04-22 Chris Demetriou <cgd@broadcom.com>
* config/tc-mips.c (macro_build): Add close-parenthesis missing
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 1d874af..ec1da5c 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -2980,7 +2980,6 @@ output_jump ()
{
char *p;
int size;
- fixS *fixP;
if (i.tm.opcode_modifier & JumpByte)
{
@@ -3031,9 +3030,8 @@ output_jump ()
p = frag_more (1 + size);
*p++ = i.tm.base_opcode;
- fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, size,
- i.op[0].disps, 1, reloc (size, 1, 1, i.reloc[0]));
- fixP->fx_pcrel_adjust = size;
+ fix_new_exp (frag_now, p - frag_now->fr_literal, size,
+ i.op[0].disps, 1, reloc (size, 1, 1, i.reloc[0]));
}
static void
@@ -3226,7 +3224,6 @@ output_disp ()
int size = 4;
int sign = 0;
int pcrel = (i.flags[n] & Operand_PCrel) != 0;
- fixS *fixP;
/* The PC relative address is computed relative
to the instruction boundary, so in case immediate
@@ -3266,11 +3263,9 @@ output_disp ()
}
p = frag_more (size);
- fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, size,
- i.op[n].disps, pcrel,
- reloc (size, pcrel, sign, i.reloc[n]));
- if (pcrel)
- fixP->fx_pcrel_adjust = size;
+ fix_new_exp (frag_now, p - frag_now->fr_literal, size,
+ i.op[n].disps, pcrel,
+ reloc (size, pcrel, sign, i.reloc[n]));
}
}
}
@@ -4215,7 +4210,6 @@ md_estimate_size_before_relax (fragP, segment)
RELOC_ENUM reloc_type;
unsigned char *opcode;
int old_fr_fix;
- fixS *fixP;
if (fragP->fr_var != NO_RELOC)
reloc_type = fragP->fr_var;
@@ -4233,11 +4227,10 @@ md_estimate_size_before_relax (fragP, segment)
/* Make jmp (0xeb) a (d)word displacement jump. */
opcode[0] = 0xe9;
fragP->fr_fix += size;
- fixP = fix_new (fragP, old_fr_fix, size,
- fragP->fr_symbol,
- fragP->fr_offset, 1,
- reloc_type);
- fixP->fx_pcrel_adjust = size;
+ fix_new (fragP, old_fr_fix, size,
+ fragP->fr_symbol,
+ fragP->fr_offset, 1,
+ reloc_type);
break;
case COND_JUMP86:
@@ -4255,11 +4248,10 @@ md_estimate_size_before_relax (fragP, segment)
/* We added two extra opcode bytes, and have a two byte
offset. */
fragP->fr_fix += 2 + 2;
- fixP = fix_new (fragP, old_fr_fix + 2, 2,
- fragP->fr_symbol,
- fragP->fr_offset, 1,
- reloc_type);
- fixP->fx_pcrel_adjust = size;
+ fix_new (fragP, old_fr_fix + 2, 2,
+ fragP->fr_symbol,
+ fragP->fr_offset, 1,
+ reloc_type);
break;
}
/* Fall through. */
@@ -4274,11 +4266,10 @@ md_estimate_size_before_relax (fragP, segment)
opcode[0] = TWO_BYTE_OPCODE_ESCAPE;
/* We've added an opcode byte. */
fragP->fr_fix += 1 + size;
- fixP = fix_new (fragP, old_fr_fix + 1, size,
- fragP->fr_symbol,
- fragP->fr_offset, 1,
- reloc_type);
- fixP->fx_pcrel_adjust = size;
+ fix_new (fragP, old_fr_fix + 1, size,
+ fragP->fr_symbol,
+ fragP->fr_offset, 1,
+ reloc_type);
break;
default:
@@ -4607,6 +4598,8 @@ md_apply_fix3 (fixP, valP, seg)
else if (use_rela_relocations)
{
fixP->fx_no_overflow = 1;
+ /* Remember value for tc_gen_reloc. */
+ fixP->fx_addnumber = value;
value = 0;
}
#endif
@@ -5120,9 +5113,23 @@ tc_gen_reloc (section, fixp)
/* Use the rela in 64bit mode. */
else
{
- rel->addend = fixp->fx_offset;
- if (fixp->fx_pcrel)
- rel->addend -= fixp->fx_pcrel_adjust;
+ if (!fixp->fx_pcrel)
+ rel->addend = fixp->fx_offset;
+ else
+ switch (code)
+ {
+ case BFD_RELOC_X86_64_PLT32:
+ case BFD_RELOC_X86_64_GOT32:
+ case BFD_RELOC_X86_64_GOTPCREL:
+ rel->addend = fixp->fx_offset - fixp->fx_size;
+ break;
+ default:
+ rel->addend = (section->vma
+ - fixp->fx_size
+ + fixp->fx_addnumber
+ + md_pcrel_from (fixp));
+ break;
+ }
}
rel->howto = bfd_reloc_type_lookup (stdoutput, code);