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varasm.c (assemble_start_function): Remove the function from the pending weak decls list when we define a function. 

* varasm.c (assemble_start_function): Remove the function
        from the pending weak decls list when we define a function.
        (assemble_variable): Similarly for variables.
        (weak_finish): Ignore items on the list with a NULL name.
        (remove_from_ending_weak_list); New function to "remove" an item
        from the pending weak declarations list.

Co-Authored-By: Jeffrey A Law <law@cygnus.com>

From-SVN: r27402
This commit is contained in:
Robert Lipe 1999-06-07 19:46:39 +00:00 committed by Jeff Law
parent 729f8bf223
commit ec99e58ffc
2 changed files with 59 additions and 7 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
Jeffrey A Law (law@cygnus.com)
* varasm.c (assemble_start_function): Remove the function
from the pending weak decls list when we define a function.
(assemble_variable): Similarly for variables.
(weak_finish): Ignore items on the list with a NULL name.
(remove_from_ending_weak_list); New function to "remove" an item
from the pending weak declarations list.
Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
* pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.

54
gcc/varasm.c
View File

@ -141,6 +141,7 @@ static void mark_constants PROTO((rtx));
static int output_addressed_constants PROTO((tree));
static void output_after_function_constants PROTO((void));
static void output_constructor PROTO((tree, int));
static void remove_from_pending_weak_list PROTO ((char *));
#ifdef ASM_OUTPUT_BSS
static void asm_output_bss PROTO((FILE *, tree, char *, int, int));
#endif
@ -1012,7 +1013,13 @@ assemble_start_function (decl, fnname)
#ifdef ASM_WEAKEN_LABEL
if (DECL_WEAK (decl))
ASM_WEAKEN_LABEL (asm_out_file, fnname);
{
ASM_WEAKEN_LABEL (asm_out_file, fnname);
/* Remove this function from the pending weak list so that
we do not emit multiple .weak directives for it. */
remove_from_pending_weak_list
(IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)));
}
else
#endif
ASM_GLOBALIZE_LABEL (asm_out_file, fnname);
@ -1446,7 +1453,13 @@ assemble_variable (decl, top_level, at_end, dont_output_data)
{
#ifdef ASM_WEAKEN_LABEL
if (DECL_WEAK (decl))
ASM_WEAKEN_LABEL (asm_out_file, name);
{
ASM_WEAKEN_LABEL (asm_out_file, name);
/* Remove this variable from the pending weak list so that
we do not emit multiple .weak directives for it. */
remove_from_pending_weak_list
(IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)));
}
else
#endif
ASM_GLOBALIZE_LABEL (asm_out_file, name);
@ -4351,9 +4364,32 @@ weak_finish ()
struct weak_syms *t;
for (t = weak_decls; t; t = t->next)
{
ASM_WEAKEN_LABEL (asm_out_file, t->name);
if (t->value)
ASM_OUTPUT_DEF (asm_out_file, t->name, t->value);
if (t->name)
{
ASM_WEAKEN_LABEL (asm_out_file, t->name);
if (t->value)
ASM_OUTPUT_DEF (asm_out_file, t->name, t->value);
}
}
}
#endif
}
/* Remove NAME from the pending list of weak symbols. This prevents
the compiler from emitting multiple .weak directives which confuses
some assemblers. */
static void
remove_from_pending_weak_list (name)
char *name;
{
#ifdef HANDLE_PRAGMA_WEAK
if (HANDLE_PRAGMA_WEAK)
{
struct weak_syms *t;
for (t = weak_decls; t; t = t->next)
{
if (strcmp (name, t->name) == 0)
t->name = NULL;
}
}
#endif
@ -4375,7 +4411,13 @@ assemble_alias (decl, target)
{
#ifdef ASM_WEAKEN_LABEL
if (DECL_WEAK (decl))
ASM_WEAKEN_LABEL (asm_out_file, name);
{
ASM_WEAKEN_LABEL (asm_out_file, name);
/* Remove this function from the pending weak list so that
we do not emit multiple .weak directives for it. */
remove_from_pending_weak_list
(IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)));
}
else
#endif
ASM_GLOBALIZE_LABEL (asm_out_file, name);