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* config/obj-aout.c (obj_aout_frob_symbol): If N_EXT is set for an

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N_INDR symbol, set BSF_EXPORT and clear BSF_LOCAL.
This commit is contained in:
Ian Lance Taylor 1994-03-25 22:53:40 +00:00
parent 5b63f465fc
commit 645f842c99
2 changed files with 36 additions and 5 deletions
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3
gas/ChangeLog
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@ -1,5 +1,8 @@
Fri Mar 25 17:35:49 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
* config/obj-aout.c (obj_aout_frob_symbol): If N_EXT is set for an
N_INDR symbol, set BSF_EXPORT and clear BSF_LOCAL.
* config/tc-mips.c (append_insn): If EMBEDDED_PIC, don't swap a
branch with an instruction that uses $at, in case the branch is
later expanded.

38
gas/config/obj-aout.c
View File

@ -19,6 +19,7 @@ to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "as.h"
#ifdef BFD_ASSEMBLER
#undef NO_RELOC
#include "aout/aout64.h"
#endif
#include "obstack.h"
@ -136,6 +137,11 @@ obj_aout_frob_symbol (sym, punt)
/* Put indirect symbols in the indirect section. */
sym->bsym->section = &bfd_ind_section;
sym->bsym->flags |= BSF_INDIRECT;
if (type & N_EXT)
{
sym->bsym->flags |= BSF_EXPORT;
sym->bsym->flags &=~ BSF_LOCAL;
}
break;
case N_WARNING:
/* Mark warning symbols. */
@ -151,6 +157,27 @@ obj_aout_frob_symbol (sym, punt)
S_SET_TYPE (sym, type);
}
void
obj_aout_frob_file ()
{
/* Relocation processing may require knowing the VMAs of the sections.
Since writing to a section will cause the BFD back end to compute the
VMAs, fake it out here.... */
bfd_byte b = 0;
boolean x = true;
if (bfd_section_size (stdoutput, text_section) != 0)
{
x = bfd_set_section_contents (stdoutput, text_section, &b, (file_ptr) 0,
(bfd_size_type) 1);
}
else if (bfd_section_size (stdoutput, data_section) != 0)
{
x = bfd_set_section_contents (stdoutput, data_section, &b, (file_ptr) 0,
(bfd_size_type) 1);
}
assert (x == true);
}
#else
/* Relocation. */
@ -167,7 +194,7 @@ obj_emit_relocations (where, fixP, segment_address_in_file)
relax_addressT segment_address_in_file;
{
for (; fixP; fixP = fixP->fx_next)
if (fixP->fx_addsy != NULL)
if (fixP->fx_done == 0)
{
tc_aout_fix_to_chars (*where, fixP, segment_address_in_file);
*where += md_reloc_size;
@ -306,12 +333,10 @@ obj_crawl_symbol_chain (headers)
if (!S_IS_REGISTER (symbolP)
&& (!S_GET_NAME (symbolP)
|| S_IS_DEBUG (symbolP)
#ifdef TC_I960
/* FIXME-SOON this ifdef seems highly dubious to me. xoxorich. */
|| !S_IS_DEFINED (symbolP)
|| S_IS_EXTERNAL (symbolP)
#endif /* TC_I960 */
|| (S_GET_NAME (symbolP)[0] != '\001' && (flagseen['L'] || !S_LOCAL_NAME (symbolP)))))
|| (S_GET_NAME (symbolP)[0] != '\001'
&& (flagseen['L'] || !S_LOCAL_NAME (symbolP)))))
{
symbolP->sy_number = symbol_number++;
@ -330,6 +355,9 @@ obj_crawl_symbol_chain (headers)
else
{
if (S_IS_EXTERNAL (symbolP) || !S_IS_DEFINED (symbolP))
/* This warning should never get triggered any more.
Well, maybe if you're doing twisted things with
register names... */
{
as_bad ("Local symbol %s never defined.", decode_local_label_name (S_GET_NAME (symbolP)));
} /* oops. */