server.c (load_data, run_shell): Use xmalloc, xrealloc & xcalloc in lieu of malloc, realloc & calloc.

	* fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
	xcalloc in lieu of malloc, realloc & calloc.

	* gencheck.c (xmalloc): Use really_call_malloc, not malloc.

	* gengenrtl.c (xmalloc): Likewise.

	* gensupport.c (xcalloc, xrealloc, xmalloc): Use the
	really_call_* memory allocation routines.

	* stmt.c (check_for_full_enumeration_handling): Use
	really_call_calloc, not calloc.

	* system.h (really_call_malloc, really_call_calloc,
	really_call_realloc): Define.
	(malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.

f:
	* fini.c (main): Use really_call_malloc, not malloc.

From-SVN: r40360

1 files changed, 25 insertions, 0 deletions

diff --git a/gcc/system.h b/gcc/system.h
index 8721f7e..0ea6c3f 100644
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -577,4 +577,29 @@ typedef char _Bool;
 #define TRUE true
 #define FALSE false
 
+/* As the last action in this file, we poison the identifiers that
+   shouldn't be used.  Note, luckily gcc-3.0's token-based integrated
+   preprocessor won't trip on poisoned identifiers that arrive from
+   the expansion of macros.  E.g. #define strrchr rindex, won't error
+   if rindex is poisoned after this directive is issued and later on
+   strrchr is called.
+
+   Note: We define bypass macros for the few cases where we really
+   want to use the libc memory allocation routines.  Otherwise we
+   insist you use the "x" versions from libiberty.  */
+
+#define really_call_malloc malloc
+#define really_call_calloc calloc
+#define really_call_realloc realloc
+
+#if (GCC_VERSION >= 3000)
+
+ #pragma GCC poison malloc realloc calloc strdup
+
+/* Note: not all uses of `bcopy' and `index' (esp. variable names)
+   have been eliminated.  */
+ #pragma GCC poison bzero bcmp rindex
+
+#endif /* GCC >= 3.0 */
+
 #endif /* __GCC_SYSTEM_H__ */