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* write.c (size_seg): Always clear SEC_RELOC here. 

(install_reloc): New function, extracted from..
	(write_relocs): ..here.  Combine RELOC_EXPANSION_POSSIBLE code
	with !RELOC_EXPANSION_POSSIBLE code.  Don't add fr_offset when
	testing frag size.  Set SEC_RELOC here.
This commit is contained in:
Alan Modra 2007-02-22 05:54:51 +00:00
parent a0c0ec17df
commit e5435dec12
2 changed files with 70 additions and 112 deletions
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8
gas/ChangeLog
View File

@ -1,3 +1,11 @@
2007-02-22 Alan Modra <amodra@bigpond.net.au>
* write.c (size_seg): Always clear SEC_RELOC here.
(install_reloc): New function, extracted from..
(write_relocs): ..here. Combine RELOC_EXPANSION_POSSIBLE code
with !RELOC_EXPANSION_POSSIBLE code. Don't add fr_offset when
testing frag size. Set SEC_RELOC here.
2007-02-21 Alan Modra <amodra@bigpond.net.au>
PR 4082

174
gas/write.c
View File

@ -553,11 +553,7 @@ size_seg (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
if (size > 0 && ! seginfo->bss)
flags |= SEC_HAS_CONTENTS;
/* @@ This is just an approximation. */
if (seginfo && seginfo->fix_root)
flags |= SEC_RELOC;
else
flags &= ~SEC_RELOC;
flags &= ~SEC_RELOC;
x = bfd_set_section_flags (abfd, sec, flags);
assert (x);
@ -999,6 +995,32 @@ fix_segment (bfd *abfd ATTRIBUTE_UNUSED,
fixup_segment (seginfo->fix_root, sec);
}
static void
install_reloc (asection *sec, arelent *reloc, fragS *fragp,
char *file, unsigned int line)
{
char *err;
bfd_reloc_status_type s;
s = bfd_install_relocation (stdoutput, reloc,
fragp->fr_literal, fragp->fr_address,
sec, &err);
switch (s)
{
case bfd_reloc_ok:
break;
case bfd_reloc_overflow:
as_bad_where (file, line, _("relocation overflow"));
break;
case bfd_reloc_outofrange:
as_bad_where (file, line, _("relocation out of range"));
break;
default:
as_fatal (_("%s:%u: bad return from bfd_install_relocation: %x"),
file, line, s);
}
}
static void
write_relocs (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
{
@ -1007,7 +1029,6 @@ write_relocs (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
unsigned int n;
arelent **relocs;
fixS *fixp;
char *err;
/* If seginfo is NULL, we did not create this section; don't do
anything with it. */
@ -1016,129 +1037,57 @@ write_relocs (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
n = 0;
for (fixp = seginfo->fix_root; fixp; fixp = fixp->fx_next)
n++;
if (!fixp->fx_done)
n++;
#ifdef RELOC_EXPANSION_POSSIBLE
n *= MAX_RELOC_EXPANSION;
#endif
#ifndef RELOC_EXPANSION_POSSIBLE
/* Set up reloc information as well. */
relocs = xcalloc (n, sizeof (arelent *));
i = 0;
for (fixp = seginfo->fix_root; fixp != (fixS *) NULL; fixp = fixp->fx_next)
{
arelent *reloc;
bfd_reloc_status_type s;
int fx_size, slack;
offsetT loc;
if (fixp->fx_done)
{
n--;
continue;
}
reloc = tc_gen_reloc (sec, fixp);
if (!reloc)
{
n--;
continue;
}
fx_size = fixp->fx_size;
slack = TC_FX_SIZE_SLACK (fixp);
if (slack > 0)
fx_size = fx_size > slack ? fx_size - slack : 0;
loc = fixp->fx_where + fx_size;
if (slack >= 0
&& loc > fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset)
as_bad_where (fixp->fx_file, fixp->fx_line,
_("internal error: fixup not contained within frag"));
s = bfd_install_relocation (stdoutput, reloc,
fixp->fx_frag->fr_literal,
fixp->fx_frag->fr_address,
sec, &err);
switch (s)
{
case bfd_reloc_ok:
break;
case bfd_reloc_overflow:
as_bad_where (fixp->fx_file, fixp->fx_line,
_("relocation overflow"));
break;
case bfd_reloc_outofrange:
as_bad_where (fixp->fx_file, fixp->fx_line,
_("relocation out of range"));
break;
default:
as_fatal (_("%s:%u: bad return from bfd_install_relocation: %x"),
fixp->fx_file, fixp->fx_line, s);
}
relocs[i++] = reloc;
}
#else
n = n * MAX_RELOC_EXPANSION;
/* Set up reloc information as well. */
relocs = xcalloc (n, sizeof (arelent *));
i = 0;
for (fixp = seginfo->fix_root; fixp != (fixS *) NULL; fixp = fixp->fx_next)
{
arelent **reloc;
bfd_reloc_status_type s;
int j;
int fx_size, slack;
offsetT loc;
if (fixp->fx_done)
{
n--;
continue;
}
reloc = tc_gen_reloc (sec, fixp);
for (j = 0; reloc[j]; j++)
{
relocs[i++] = reloc[j];
assert (i <= n);
}
continue;
fx_size = fixp->fx_size;
slack = TC_FX_SIZE_SLACK (fixp);
if (slack > 0)
fx_size = fx_size > slack ? fx_size - slack : 0;
loc = fixp->fx_where + fx_size;
if (slack >= 0
&& loc > fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset)
if (slack >= 0 && loc > fixp->fx_frag->fr_fix)
as_bad_where (fixp->fx_file, fixp->fx_line,
_("internal error: fixup not contained within frag"));
for (j = 0; reloc[j]; j++)
{
s = bfd_install_relocation (stdoutput, reloc[j],
fixp->fx_frag->fr_literal,
fixp->fx_frag->fr_address,
sec, &err);
switch (s)
{
case bfd_reloc_ok:
break;
case bfd_reloc_overflow:
as_bad_where (fixp->fx_file, fixp->fx_line,
_("relocation overflow"));
break;
case bfd_reloc_outofrange:
as_bad_where (fixp->fx_file, fixp->fx_line,
_("relocation out of range"));
break;
default:
as_fatal (_("%s:%u: bad return from bfd_install_relocation: %x"),
fixp->fx_file, fixp->fx_line, s);
}
}
#ifndef RELOC_EXPANSION_POSSIBLE
{
arelent *reloc = tc_gen_reloc (sec, fixp);
if (!reloc)
continue;
relocs[i++] = reloc;
j = 1;
}
#else
{
arelent **reloc = tc_gen_reloc (sec, fixp);
for (j = 0; reloc[j]; j++)
relocs[i++] = reloc[j];
}
#endif
for ( ; j != 0; --j)
install_reloc (sec, relocs[i - j], fixp->fx_frag,
fixp->fx_file, fixp->fx_line);
}
n = i;
#endif
#ifdef DEBUG4
{
@ -1159,11 +1108,12 @@ write_relocs (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
#endif
if (n)
bfd_set_reloc (stdoutput, sec, relocs, n);
else
bfd_set_section_flags (abfd, sec,
(bfd_get_section_flags (abfd, sec)
& (flagword) ~SEC_RELOC));
{
flagword flags = bfd_get_section_flags (abfd, sec);
flags |= SEC_RELOC;
bfd_set_section_flags (abfd, sec, flags);
bfd_set_reloc (stdoutput, sec, relocs, n);
}
#ifdef SET_SECTION_RELOCS
SET_SECTION_RELOCS (sec, relocs, n);