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* write.c (write_relocs): Use S_IS_DEFINED and S_IS_COMMON rather 

than comparing S_GET_SEGMENT to undefined_section.
	(write_object_file): Skip symbols which were equated to an
	undefined or common symbol.
	* symbols.c (resolve_symbol_value): Use S_IS_DEFINED and
	S_IS_COMMON rather than comparing S_GET_SEGMENT to
	undefined_section.
	(S_GET_VALUE): Likewise.  Avoid recursion problems if S_IS_DEFINED
	or S_IS_COMMON call S_GET_VALUE.
	* config/obj-aout.h (S_IS_COMMON): Define if not BFD_ASSEMBLER.
	* config/obj-aout.c (obj_emit_relocations): If a reloc is equated
	to an undefined or common symbol, convert the reloc to be against
	the target symbol.
	(obj_crawl_symbol_chain): Skip symbols which were equated to an
	undefined or common symbol.
	* config/obj-bout.h (S_IS_COMMON): Define if not BFD_ASSEMBLER.
	* config/obj-bout.c (obj_emit_relocations): If a reloc is equated
	to an undefined or common symbol, convert the reloc to be against
	the target symbol.
	(obj_crawl_symbol_chain): Skip symbols which were equated to an
	undefined or common symbol.
	* config/obj-coff.c (do_relocs_for): Use S_IS_DEFINED and
	S_IS_COMMON rather than comparing S_GET_SEGMENT to
	undefined_section.
	(yank_symbols): Skip symbols which were equated to an undefined or
	common symbol.
This commit is contained in:
Ian Lance Taylor 1996-02-02 17:46:05 +00:00
parent 4771fe157f
commit e24cf2b556
3 changed files with 50 additions and 0 deletions
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29
gas/ChangeLog
View File

@ -1,3 +1,32 @@
Fri Feb 2 12:32:15 1996 Ian Lance Taylor <ian@cygnus.com>
* write.c (write_relocs): Use S_IS_DEFINED and S_IS_COMMON rather
than comparing S_GET_SEGMENT to undefined_section.
(write_object_file): Skip symbols which were equated to an
undefined or common symbol.
* symbols.c (resolve_symbol_value): Use S_IS_DEFINED and
S_IS_COMMON rather than comparing S_GET_SEGMENT to
undefined_section.
(S_GET_VALUE): Likewise. Avoid recursion problems if S_IS_DEFINED
or S_IS_COMMON call S_GET_VALUE.
* config/obj-aout.h (S_IS_COMMON): Define if not BFD_ASSEMBLER.
* config/obj-aout.c (obj_emit_relocations): If a reloc is equated
to an undefined or common symbol, convert the reloc to be against
the target symbol.
(obj_crawl_symbol_chain): Skip symbols which were equated to an
undefined or common symbol.
* config/obj-bout.h (S_IS_COMMON): Define if not BFD_ASSEMBLER.
* config/obj-bout.c (obj_emit_relocations): If a reloc is equated
to an undefined or common symbol, convert the reloc to be against
the target symbol.
(obj_crawl_symbol_chain): Skip symbols which were equated to an
undefined or common symbol.
* config/obj-coff.c (do_relocs_for): Use S_IS_DEFINED and
S_IS_COMMON rather than comparing S_GET_SEGMENT to
undefined_section.
(yank_symbols): Skip symbols which were equated to an undefined or
common symbol.
Thu Feb 1 15:34:32 1996 Ian Lance Taylor <ian@cygnus.com>
* config/obj-aout.h (S_IS_LOCAL): Check for \002 as well as \001.

17
gas/config/obj-bout.c
View File

@ -96,6 +96,14 @@ obj_emit_relocations (where, fixP, segment_address_in_file)
if (fixP->fx_done == 0
|| fixP->fx_r_type != NO_RELOC)
{
symbolS *sym;
sym = fixP->fx_addsy;
while (sym->sy_value.X_op == O_symbol
&& (! S_IS_DEFINED (sym) || S_IS_COMMON (sym)))
sym = sym->sy_value.X_add_symbol;
fixP->fx_addsy = sym;
tc_bout_fix_to_chars (*where, fixP, segment_address_in_file);
*where += sizeof (struct relocation_info);
} /* if there's a symbol */
@ -246,6 +254,15 @@ obj_crawl_symbol_chain (headers)
resolve_symbol_value (symbolP);
/* Skip symbols which were equated to undefined or common
symbols. */
if (symbolP->sy_value.X_op == O_symbol
&& (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP)))
{
*symbolPP = symbol_next (symbolP);
continue;
}
/* OK, here is how we decide which symbols go out into the
brave new symtab. Symbols that do are:

4
gas/config/obj-bout.h
View File

@ -181,6 +181,10 @@ struct relocation_info
/* True if symbol has been defined, ie is in N_{TEXT,DATA,BSS,ABS} or N_EXT */
#define S_IS_DEFINED(s) ((S_GET_TYPE(s) != N_UNDF) || (S_GET_DESC(s) != 0))
#define S_IS_COMMON(s) \
(S_GET_TYPE (s) == N_UNDF && S_GET_VALUE (s) != 0)
#define S_IS_REGISTER(s) ((s)->sy_symbol.n_type == N_REGISTER)
/* True if a debug special symbol entry */