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gas reloc rewrite.

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This commit is contained in:
Alan Modra
2002-09-05 00:01:18 +00:00
parent 8f8429869e
commit a161fe5320
95 changed files with 1800 additions and 1785 deletions
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580
gas/write.c
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@@ -33,19 +33,62 @@
#endif
#ifndef TC_FORCE_RELOCATION
#define TC_FORCE_RELOCATION(FIX) 0
#define TC_FORCE_RELOCATION(FIX) \
(S_FORCE_RELOC ((FIX)->fx_addsy))
#endif
#ifndef TC_FORCE_RELOCATION_SECTION
#define TC_FORCE_RELOCATION_SECTION(FIX, SEG) TC_FORCE_RELOCATION (FIX)
#ifndef TC_FORCE_RELOCATION_ABS
#define TC_FORCE_RELOCATION_ABS(FIX) \
(TC_FORCE_RELOCATION (FIX))
#endif
#ifndef TC_FORCE_RELOCATION_LOCAL
#define TC_FORCE_RELOCATION_LOCAL(FIX) \
(!(FIX)->fx_pcrel \
|| (FIX)->fx_plt \
|| TC_FORCE_RELOCATION (FIX))
#endif
#ifndef TC_FORCE_RELOCATION_SUB_SAME
#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
(! SEG_NORMAL (SEG))
#endif
#ifndef TC_FORCE_RELOCATION_SUB_ABS
#define TC_FORCE_RELOCATION_SUB_ABS(FIX) \
(S_FORCE_RELOC ((FIX)->fx_subsy))
#endif
#ifndef TC_FORCE_RELOCATION_SUB_LOCAL
#ifdef DIFF_EXPR_OK
#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX) \
(S_FORCE_RELOC ((FIX)->fx_subsy))
#else
#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX) 1
#endif
#endif
#ifndef TC_VALIDATE_FIX_SUB
#ifdef UNDEFINED_DIFFERENCE_OK
/* The PA needs this for PIC code generation. */
#define TC_VALIDATE_FIX_SUB(FIX) 1
#else
#ifdef BFD_ASSEMBLER
#define TC_VALIDATE_FIX_SUB(FIX) \
((FIX)->fx_r_type == BFD_RELOC_GPREL32 \
|| (FIX)->fx_r_type == BFD_RELOC_GPREL16)
#else
#define TC_VALIDATE_FIX_SUB(FIX) 0
#endif
#endif
#endif
#ifndef TC_LINKRELAX_FIXUP
#define TC_LINKRELAX_FIXUP(SEG) 1
#endif
#ifndef TC_FIX_ADJUSTABLE
#define TC_FIX_ADJUSTABLE(FIX) 1
#ifndef MD_APPLY_SYM_VALUE
#define MD_APPLY_SYM_VALUE(FIX) 1
#endif
#ifndef TC_FINALIZE_SYMS_BEFORE_SIZE_SEG
@@ -65,6 +108,9 @@ extern const int md_long_jump_size;
int finalize_syms = 0;
int symbol_table_frozen;
symbolS *abs_section_sym;
void print_fixup PARAMS ((fixS *));
#ifdef BFD_ASSEMBLER
@@ -125,6 +171,7 @@ static fragS *chain_frchains_together_1 PARAMS ((segT, struct frchain *));
static void chain_frchains_together PARAMS ((bfd *, segT, PTR));
static void cvt_frag_to_fill PARAMS ((segT, fragS *));
static void adjust_reloc_syms PARAMS ((bfd *, asection *, PTR));
static void fix_segment PARAMS ((bfd *, asection *, PTR));
static void write_relocs PARAMS ((bfd *, asection *, PTR));
static void write_contents PARAMS ((bfd *, asection *, PTR));
static void set_symtab PARAMS ((void));
@@ -775,41 +822,32 @@ adjust_reloc_syms (abfd, sec, xxx)
continue;
}
/* If the symbol is undefined, common, weak, or global (ELF
shared libs), we can't replace it with the section symbol. */
if (S_FORCE_RELOC (fixp->fx_addsy))
continue;
/* Is there some other (target cpu dependent) reason we can't adjust
this one? (E.g. relocations involving function addresses on
the PA. */
#ifdef tc_fix_adjustable
if (! tc_fix_adjustable (fixp))
continue;
#endif
/* Since we're reducing to section symbols, don't attempt to reduce
anything that's already using one. */
if (symbol_section_p (sym))
continue;
symsec = S_GET_SEGMENT (sym);
if (symsec == NULL)
abort ();
if (bfd_is_abs_section (symsec))
{
/* The fixup_segment routine will not use this symbol in a
relocation unless TC_FORCE_RELOCATION returns 1. */
if (TC_FORCE_RELOCATION (fixp))
{
symbol_mark_used_in_reloc (fixp->fx_addsy);
#ifdef UNDEFINED_DIFFERENCE_OK
if (fixp->fx_subsy != NULL)
symbol_mark_used_in_reloc (fixp->fx_subsy);
#endif
}
continue;
}
/* If it's one of these sections, assume the symbol is
definitely going to be output. The code in
md_estimate_size_before_relax in tc-mips.c uses this test
as well, so if you change this code you should look at that
code. */
if (bfd_is_und_section (symsec)
|| bfd_is_com_section (symsec))
{
symbol_mark_used_in_reloc (fixp->fx_addsy);
#ifdef UNDEFINED_DIFFERENCE_OK
/* We have the difference of an undefined symbol and some
other symbol. Make sure to mark the other symbol as used
in a relocation so that it will always be output. */
if (fixp->fx_subsy)
symbol_mark_used_in_reloc (fixp->fx_subsy);
#endif
/* The fixup_segment routine normally will not use this
symbol in a relocation. */
continue;
}
@@ -819,116 +857,50 @@ adjust_reloc_syms (abfd, sec, xxx)
this will always be correct. */
if (symsec != sec && ! S_IS_LOCAL (sym))
{
boolean linkonce;
linkonce = false;
#ifdef BFD_ASSEMBLER
if ((bfd_get_section_flags (stdoutput, symsec) & SEC_LINK_ONCE)
!= 0)
linkonce = true;
#endif
#ifdef OBJ_ELF
/* The GNU toolchain uses an extension for ELF: a section
beginning with the magic string .gnu.linkonce is a
linkonce section. */
if (strncmp (segment_name (symsec), ".gnu.linkonce",
sizeof ".gnu.linkonce" - 1) == 0)
linkonce = true;
#endif
if (linkonce)
{
symbol_mark_used_in_reloc (fixp->fx_addsy);
#ifdef UNDEFINED_DIFFERENCE_OK
if (fixp->fx_subsy != NULL)
symbol_mark_used_in_reloc (fixp->fx_subsy);
#endif
continue;
}
}
/* Since we're reducing to section symbols, don't attempt to reduce
anything that's already using one. */
if (symbol_section_p (sym))
{
symbol_mark_used_in_reloc (fixp->fx_addsy);
continue;
}
#ifdef BFD_ASSEMBLER
/* We can never adjust a reloc against a weak symbol. If we
did, and the weak symbol was overridden by a real symbol
somewhere else, then our relocation would be pointing at
the wrong area of memory. */
if (S_IS_WEAK (sym))
{
symbol_mark_used_in_reloc (fixp->fx_addsy);
continue;
if ((symsec->flags & SEC_LINK_ONCE) != 0
|| (IS_ELF
/* The GNU toolchain uses an extension for ELF: a
section beginning with the magic string
.gnu.linkonce is a linkonce section. */
&& strncmp (segment_name (symsec), ".gnu.linkonce",
sizeof ".gnu.linkonce" - 1) == 0))
continue;
}
/* Never adjust a reloc against local symbol in a merge section
with non-zero addend. */
if ((symsec->flags & SEC_MERGE) != 0 && fixp->fx_offset != 0)
{
symbol_mark_used_in_reloc (fixp->fx_addsy);
continue;
}
continue;
/* Never adjust a reloc against TLS local symbol. */
if ((symsec->flags & SEC_THREAD_LOCAL) != 0)
{
symbol_mark_used_in_reloc (fixp->fx_addsy);
continue;
}
#endif
continue;
/* Is there some other reason we can't adjust this one? (E.g.,
call/bal links in i960-bout symbols.) */
#ifdef obj_fix_adjustable
if (! obj_fix_adjustable (fixp))
{
symbol_mark_used_in_reloc (fixp->fx_addsy);
continue;
}
#endif
/* Is there some other (target cpu dependent) reason we can't adjust
this one? (E.g. relocations involving function addresses on
the PA. */
#ifdef tc_fix_adjustable
if (! tc_fix_adjustable (fixp))
{
symbol_mark_used_in_reloc (fixp->fx_addsy);
continue;
}
#endif
/* If the section symbol isn't going to be output, the relocs
at least should still work. If not, figure out what to do
when we run into that case.
We refetch the segment when calling section_symbol, rather
/* We refetch the segment when calling section_symbol, rather
than using symsec, because S_GET_VALUE may wind up changing
the section when it calls resolve_symbol_value. */
fixp->fx_offset += S_GET_VALUE (sym);
fixp->fx_addsy = section_symbol (S_GET_SEGMENT (sym));
symbol_mark_used_in_reloc (fixp->fx_addsy);
#ifdef DEBUG5
fprintf (stderr, "\nadjusted fixup:\n");
print_fixup (fixp);
#endif
}
else
{
/* There was no symbol required by this relocation. However,
BFD doesn't really handle relocations without symbols well.
So fake up a local symbol in the absolute section. */
fixp->fx_addsy = section_symbol (absolute_section);
}
dump_section_relocs (abfd, sec, stderr);
}
static void
fix_segment (abfd, sec, xxx)
bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
PTR xxx ATTRIBUTE_UNUSED;
{
segment_info_type *seginfo = seg_info (sec);
fixup_segment (seginfo->fix_root, sec);
}
static void
write_relocs (abfd, sec, xxx)
bfd *abfd;
@@ -947,8 +919,6 @@ write_relocs (abfd, sec, xxx)
if (seginfo == NULL)
return;
fixup_segment (seginfo->fix_root, sec);
n = 0;
for (fixp = seginfo->fix_root; fixp; fixp = fixp->fx_next)
n++;
@@ -1926,6 +1896,15 @@ write_object_file ()
bfd_map_over_sections (stdoutput, adjust_reloc_syms, (char *) 0);
#ifdef tc_frob_file_before_fix
tc_frob_file_before_fix ();
#endif
#ifdef obj_frob_file_before_fix
obj_frob_file_before_fix ();
#endif
bfd_map_over_sections (stdoutput, fix_segment, (char *) 0);
/* Set up symbol table, and write it out. */
if (symbol_rootP)
{
@@ -1995,13 +1974,14 @@ write_object_file ()
want section symbols. Otherwise, we skip local symbols
and symbols that the frob_symbol macros told us to punt,
but we keep such symbols if they are used in relocs. */
if ((! EMIT_SECTION_SYMBOLS
&& symbol_section_p (symp))
if (symp == abs_section_sym
|| (! EMIT_SECTION_SYMBOLS
&& symbol_section_p (symp))
/* Note that S_IS_EXTERN and S_IS_LOCAL are not always
opposites. Sometimes the former checks flags and the
latter examines the name... */
|| (!S_IS_EXTERN (symp)
&& (S_IS_LOCAL (symp) || punt)
&& (punt || S_IS_LOCAL (symp))
&& ! symbol_used_in_reloc_p (symp)))
{
symbol_remove (symp, &symbol_rootP, &symbol_lastP);
@@ -2109,7 +2089,7 @@ relax_frag (segment, fragP, stretch)
#endif
know (sym_frag != NULL);
#endif
know (!(S_GET_SEGMENT (symbolP) == absolute_section)
know (S_GET_SEGMENT (symbolP) != absolute_section
|| sym_frag == &zero_address_frag);
target += S_GET_VALUE (symbolP);
@@ -2555,10 +2535,6 @@ relax_segment (segment_frag_root, segment)
#if defined (BFD_ASSEMBLER) || (!defined (BFD) && !defined (OBJ_VMS))
#ifndef TC_RELOC_RTSYM_LOC_FIXUP
#define TC_RELOC_RTSYM_LOC_FIXUP(X) (1)
#endif
/* fixup_segment()
Go through all the fixS's in a segment and see which ones can be
@@ -2576,13 +2552,19 @@ fixup_segment (fixP, this_segment)
segT this_segment;
{
long seg_reloc_count = 0;
symbolS *add_symbolP;
symbolS *sub_symbolP;
valueT add_number;
int pcrel, plt;
fragS *fragP;
segT add_symbol_segment = absolute_section;
if (fixP != NULL && abs_section_sym == NULL)
{
#ifndef BFD_ASSEMBLER
abs_section_sym = &abs_symbol;
#else
abs_section_sym = section_symbol (absolute_section);
#endif
}
/* If the linker is doing the relaxing, we must not do any fixups.
Well, strictly speaking that's not true -- we could do any that
@@ -2592,7 +2574,21 @@ fixup_segment (fixP, this_segment)
if (linkrelax && TC_LINKRELAX_FIXUP (this_segment))
{
for (; fixP; fixP = fixP->fx_next)
seg_reloc_count++;
if (!fixP->fx_done)
{
if (fixP->fx_addsy == NULL)
{
/* There was no symbol required by this relocation.
However, BFD doesn't really handle relocations
without symbols well. So fake up a local symbol in
the absolute section. */
fixP->fx_addsy = abs_section_sym;
}
symbol_mark_used_in_reloc (fixP->fx_addsy);
if (fixP->fx_subsy != NULL)
symbol_mark_used_in_reloc (fixP->fx_subsy);
seg_reloc_count++;
}
TC_ADJUST_RELOC_COUNT (fixP, seg_reloc_count);
return seg_reloc_count;
}
@@ -2606,267 +2602,145 @@ fixup_segment (fixP, this_segment)
fragP = fixP->fx_frag;
know (fragP);
add_symbolP = fixP->fx_addsy;
#ifdef TC_VALIDATE_FIX
TC_VALIDATE_FIX (fixP, this_segment, skip);
#endif
sub_symbolP = fixP->fx_subsy;
add_number = fixP->fx_offset;
pcrel = fixP->fx_pcrel;
plt = fixP->fx_plt;
if (add_symbolP != NULL
&& symbol_mri_common_p (add_symbolP))
if (fixP->fx_addsy != NULL
&& symbol_mri_common_p (fixP->fx_addsy))
{
know (add_symbolP->sy_value.X_op == O_symbol);
add_number += S_GET_VALUE (add_symbolP);
know (fixP->fx_addsy->sy_value.X_op == O_symbol);
add_number += S_GET_VALUE (fixP->fx_addsy);
fixP->fx_offset = add_number;
add_symbolP = fixP->fx_addsy =
symbol_get_value_expression (add_symbolP)->X_add_symbol;
fixP->fx_addsy
= symbol_get_value_expression (fixP->fx_addsy)->X_add_symbol;
}
if (add_symbolP)
add_symbol_segment = S_GET_SEGMENT (add_symbolP);
if (fixP->fx_addsy != NULL)
add_symbol_segment = S_GET_SEGMENT (fixP->fx_addsy);
if (sub_symbolP)
if (fixP->fx_subsy != NULL)
{
resolve_symbol_value (sub_symbolP);
if (add_symbolP == NULL || add_symbol_segment == absolute_section)
segT sub_symbol_segment;
resolve_symbol_value (fixP->fx_subsy);
sub_symbol_segment = S_GET_SEGMENT (fixP->fx_subsy);
if (fixP->fx_addsy != NULL
&& sub_symbol_segment == add_symbol_segment
&& !TC_FORCE_RELOCATION_SUB_SAME (fixP, add_symbol_segment))
{
if (add_symbolP != NULL)
{
add_number += S_GET_VALUE (add_symbolP);
add_symbolP = NULL;
fixP->fx_addsy = NULL;
}
/* It's just -sym. */
if (S_GET_SEGMENT (sub_symbolP) == absolute_section)
{
add_number -= S_GET_VALUE (sub_symbolP);
fixP->fx_subsy = NULL;
}
else if (pcrel
&& S_GET_SEGMENT (sub_symbolP) == this_segment)
{
/* Should try converting to a constant. */
goto bad_sub_reloc;
}
else
bad_sub_reloc:
as_bad_where (fixP->fx_file, fixP->fx_line,
_("negative of non-absolute symbol `%s'"),
S_GET_NAME (sub_symbolP));
}
else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment
&& SEG_NORMAL (add_symbol_segment))
{
/* Difference of 2 symbols from same segment.
Can't make difference of 2 undefineds: 'value' means
something different for N_UNDF. */
#ifdef TC_I960
/* Makes no sense to use the difference of 2 arbitrary symbols
as the target of a call instruction. */
if (fixP->fx_tcbit)
as_bad_where (fixP->fx_file, fixP->fx_line,
_("callj to difference of two symbols"));
#endif /* TC_I960 */
add_number += (S_GET_VALUE (add_symbolP)
- S_GET_VALUE (sub_symbolP));
add_number += S_GET_VALUE (fixP->fx_addsy);
add_number -= S_GET_VALUE (fixP->fx_subsy);
fixP->fx_offset = add_number;
/* If the back-end code has selected a pc-relative
reloc, adjust the value to be pc-relative. */
if (1
#ifdef TC_M68K
/* See the comment below about 68k weirdness. */
&& 0
#endif
&& pcrel)
add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
add_symbolP = NULL;
pcrel = 0; /* No further pcrel processing. */
/* Let the target machine make the final determination
as to whether or not a relocation will be needed to
handle this fixup. */
if (!TC_FORCE_RELOCATION_SECTION (fixP, this_segment))
{
fixP->fx_pcrel = 0;
fixP->fx_addsy = NULL;
fixP->fx_subsy = NULL;
}
&& fixP->fx_pcrel)
add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
fixP->fx_addsy = NULL;
fixP->fx_subsy = NULL;
fixP->fx_pcrel = 0;
}
else
else if (sub_symbol_segment == absolute_section
&& !TC_FORCE_RELOCATION_SUB_ABS (fixP))
{
/* Different segments in subtraction. */
know (!(S_IS_EXTERNAL (sub_symbolP)
&& (S_GET_SEGMENT (sub_symbolP) == absolute_section)));
add_number -= S_GET_VALUE (fixP->fx_subsy);
fixP->fx_offset = add_number;
fixP->fx_subsy = NULL;
}
else if (sub_symbol_segment == this_segment
&& !TC_FORCE_RELOCATION_SUB_LOCAL (fixP))
{
add_number -= S_GET_VALUE (fixP->fx_subsy);
fixP->fx_offset = add_number;
if ((S_GET_SEGMENT (sub_symbolP) == absolute_section))
add_number -= S_GET_VALUE (sub_symbolP);
#ifdef DIFF_EXPR_OK
else if (S_GET_SEGMENT (sub_symbolP) == this_segment)
{
/* Make it pc-relative. */
if (0
/* Make it pc-relative. If the back-end code has not
selected a pc-relative reloc, cancel the adjustment
we do later on all pc-relative relocs. */
if (0
#ifdef TC_M68K
/* Do this for m68k even if it's already described
as pc-relative. On the m68k, an operand of
"pc@(foo-.-2)" should address "foo" in a
pc-relative mode. */
|| 1
/* Do this for m68k even if it's already described
as pc-relative. On the m68k, an operand of
"pc@(foo-.-2)" should address "foo" in a
pc-relative mode. */
|| 1
#endif
|| !pcrel)
{
add_number += MD_PCREL_FROM_SECTION (fixP,
this_segment);
pcrel = 1;
fixP->fx_pcrel = 1;
}
add_number -= S_GET_VALUE (sub_symbolP);
sub_symbolP = 0;
fixP->fx_subsy = 0;
}
#endif
#ifdef UNDEFINED_DIFFERENCE_OK
/* The PA needs this for PIC code generation. We basically
don't want to do anything if we have the difference of two
symbols at this point. */
else if (1)
{
/* Leave it alone. */
}
#endif
#ifdef BFD_ASSEMBLER
else if (fixP->fx_r_type == BFD_RELOC_GPREL32
|| fixP->fx_r_type == BFD_RELOC_GPREL16)
{
/* Leave it alone. */
}
#endif
else
{
char buf[50];
sprint_value (buf, fragP->fr_address + fixP->fx_where);
as_bad_where (fixP->fx_file, fixP->fx_line,
_("subtraction of two symbols in different sections `%s' {%s section} - `%s' {%s section} at file address %s"),
S_GET_NAME (add_symbolP),
segment_name (S_GET_SEGMENT (add_symbolP)),
S_GET_NAME (sub_symbolP),
segment_name (S_GET_SEGMENT (sub_symbolP)),
buf);
}
|| !fixP->fx_pcrel)
add_number += MD_PCREL_FROM_SECTION (fixP, this_segment);
fixP->fx_subsy = NULL;
fixP->fx_pcrel = 1;
}
else if (!TC_VALIDATE_FIX_SUB (fixP))
{
as_bad_where (fixP->fx_file, fixP->fx_line,
_("can't resolve `%s' {%s section} - `%s' {%s section}"),
fixP->fx_addsy ? S_GET_NAME (fixP->fx_addsy) : "0",
segment_name (add_symbol_segment),
S_GET_NAME (fixP->fx_subsy),
segment_name (sub_symbol_segment));
}
}
if (add_symbolP)
if (fixP->fx_addsy)
{
if (add_symbol_segment == this_segment && pcrel && !plt
&& TC_RELOC_RTSYM_LOC_FIXUP (fixP))
if (add_symbol_segment == this_segment
&& !TC_FORCE_RELOCATION_LOCAL (fixP))
{
/* This fixup was made when the symbol's segment was
SEG_UNKNOWN, but it is now in the local segment.
So we know how to do the address without relocation. */
#ifdef TC_I960
/* reloc_callj() may replace a 'call' with a 'calls' or a
'bal', in which cases it modifies *fixP as appropriate.
In the case of a 'calls', no further work is required,
and *fixP has been set up to make the rest of the code
below a no-op. */
reloc_callj (fixP);
#endif /* TC_I960 */
add_number += S_GET_VALUE (add_symbolP);
add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
/* Lie. Don't want further pcrel processing. */
pcrel = 0;
/* Let the target machine make the final determination
as to whether or not a relocation will be needed to
handle this fixup. */
if (!TC_FORCE_RELOCATION (fixP))
{
fixP->fx_pcrel = 0;
fixP->fx_addsy = NULL;
}
add_number += S_GET_VALUE (fixP->fx_addsy);
fixP->fx_offset = add_number;
if (fixP->fx_pcrel)
add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
fixP->fx_addsy = NULL;
fixP->fx_pcrel = 0;
}
else
else if (add_symbol_segment == absolute_section
&& !TC_FORCE_RELOCATION_ABS (fixP))
{
if (add_symbol_segment == absolute_section
&& ! pcrel)
{
#ifdef TC_I960
/* See comment about reloc_callj() above. */
reloc_callj (fixP);
#endif /* TC_I960 */
add_number += S_GET_VALUE (add_symbolP);
/* Let the target machine make the final determination
as to whether or not a relocation will be needed to
handle this fixup. */
if (!TC_FORCE_RELOCATION (fixP))
{
fixP->fx_addsy = NULL;
add_symbolP = NULL;
}
}
else if (add_symbol_segment == undefined_section
#ifdef BFD_ASSEMBLER
|| bfd_is_com_section (add_symbol_segment)
#endif
)
{
#ifdef TC_I960
if ((int) fixP->fx_bit_fixP == 13)
{
/* This is a COBR instruction. They have only a
13-bit displacement and are only to be used
for local branches: flag as error, don't generate
relocation. */
as_bad_where (fixP->fx_file, fixP->fx_line,
_("can't use COBR format with external label"));
fixP->fx_addsy = NULL;
fixP->fx_done = 1;
continue;
} /* COBR. */
#endif /* TC_I960 */
#ifdef OBJ_COFF
#ifdef TE_I386AIX
if (S_IS_COMMON (add_symbolP))
add_number += S_GET_VALUE (add_symbolP);
#endif /* TE_I386AIX */
#endif /* OBJ_COFF */
++seg_reloc_count;
}
else
{
seg_reloc_count++;
if (TC_FIX_ADJUSTABLE (fixP))
add_number += S_GET_VALUE (add_symbolP);
}
add_number += S_GET_VALUE (fixP->fx_addsy);
fixP->fx_offset = add_number;
fixP->fx_addsy = NULL;
}
else if (add_symbol_segment != undefined_section
#ifdef BFD_ASSEMBLER
&& ! bfd_is_com_section (add_symbol_segment)
#endif
&& MD_APPLY_SYM_VALUE (fixP))
add_number += S_GET_VALUE (fixP->fx_addsy);
}
if (pcrel)
if (fixP->fx_pcrel)
{
add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
if (add_symbolP == 0)
if (!fixP->fx_done && fixP->fx_addsy == NULL)
{
#ifndef BFD_ASSEMBLER
fixP->fx_addsy = &abs_symbol;
#else
fixP->fx_addsy = section_symbol (absolute_section);
#endif
symbol_mark_used_in_reloc (fixP->fx_addsy);
++seg_reloc_count;
/* There was no symbol required by this relocation.
However, BFD doesn't really handle relocations
without symbols well. So fake up a local symbol in
the absolute section. */
fixP->fx_addsy = abs_section_sym;
}
}
if (!fixP->fx_done)
md_apply_fix3 (fixP, &add_number, this_segment);
if (!fixP->fx_done)
{
++seg_reloc_count;
if (fixP->fx_addsy == NULL)
fixP->fx_addsy = abs_section_sym;
symbol_mark_used_in_reloc (fixP->fx_addsy);
if (fixP->fx_subsy != NULL)
symbol_mark_used_in_reloc (fixP->fx_subsy);
}
if (!fixP->fx_bit_fixP && !fixP->fx_no_overflow && fixP->fx_size != 0)
{
if (fixP->fx_size < sizeof (valueT))