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c-decl.c (start_function): Don't warn if old prototype is builtin that's not in C's namespace. 

* c-decl.c (start_function): Don't warn if old prototype is builtin
	that's not in C's namespace.
	* libgcc2.c (_varargs): Update definition of __builtin_saveregs.
	(_bb): Add prototype for ctime.
	* config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.

From-SVN: r38980
This commit is contained in:
Richard Kenner 2001-01-13 12:34:02 +00:00 committed by Richard Kenner
parent 9e7adcb3f0
commit 757e6639b9
4 changed files with 24 additions and 7 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* c-decl.c (start_function): Don't warn if old prototype is builtin
that's not in C's namespace.
* libgcc2.c (_varargs): Update definition of __builtin_saveregs.
(_bb): Add prototype for ctime.
* config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
* i386.c (ix86_fp_comparison_arithmetics_cost,

10
gcc/c-decl.c
View File

@ -5837,12 +5837,18 @@ start_function (declspecs, declarator, prefix_attributes, attributes)
/* Optionally warn of old-fashioned def with no previous prototype. */
if (warn_strict_prototypes
&& TYPE_ARG_TYPES (TREE_TYPE (decl1)) == 0
&& !(old_decl != 0 && TYPE_ARG_TYPES (TREE_TYPE (old_decl)) != 0))
&& !(old_decl != 0
&& (TYPE_ARG_TYPES (TREE_TYPE (old_decl)) != 0
|| (DECL_BUILT_IN (old_decl)
&& ! C_DECL_ANTICIPATED (old_decl)))))
warning ("function declaration isn't a prototype");
/* Optionally warn of any global def with no previous prototype. */
else if (warn_missing_prototypes
&& TREE_PUBLIC (decl1)
&& !(old_decl != 0 && TYPE_ARG_TYPES (TREE_TYPE (old_decl)) != 0)
&& !(old_decl != 0
&& (TYPE_ARG_TYPES (TREE_TYPE (old_decl)) != 0
|| (DECL_BUILT_IN (old_decl)
&& ! C_DECL_ANTICIPATED (old_decl))))
&& ! MAIN_NAME_P (DECL_NAME (decl1)))
warning_with_decl (decl1, "no previous prototype for `%s'");
/* Optionally warn of any def with no previous prototype

5
gcc/config/alpha/osf.h
View File

@ -1,5 +1,5 @@
/* Definitions of target machine for GNU compiler, for DEC Alpha on OSF/1.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2001
Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
@ -128,10 +128,13 @@ Boston, MA 02111-1307, USA. */
/* Attempt to turn on access permissions for the stack. */
#define TRANSFER_FROM_TRAMPOLINE \
extern void __enable_execute_stack PARAMS ((void *)); \
\
void \
__enable_execute_stack (addr) \
void *addr; \
{ \
extern int mprotect PARAMS ((const void *, size_t, int)); \
long size = getpagesize (); \
long mask = ~(size-1); \
char *page = (char *) (((long) addr) & mask); \

8
gcc/libgcc2.c
View File

@ -1,7 +1,7 @@
/* More subroutines needed by GCC output code on some machines. */
/* Compile this one with gcc. */
/* Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Free Software Foundation, Inc.
2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -1457,8 +1457,8 @@ asm ("___builtin_saveregs:");
asm (" .end __builtin_saveregs");
#else /* not __mips__, etc. */
void * __attribute__ ((__noreturn__))
__builtin_saveregs (void)
void * ATTRIBUTE_NORETURN
__builtin_saveregs ()
{
abort ();
}
@ -1517,7 +1517,7 @@ BLOCK_PROFILER_CODE
#undef NULL /* Avoid errors if stdio.h and our stddef.h mismatch. */
#include <stdio.h>
char *ctime ();
char *ctime PARAMS ((const time_t *));
#include "gbl-ctors.h"
#include "gcov-io.h"