-/* Copyright (C) 2009 Pierre-Marc Fournier
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#define _GNU_SOURCE
-#include <dlfcn.h>
-#include <sys/types.h>
-#include <stdio.h>
-
-#include <ust/marker.h>
-
-#if 0
-INTERCEPT_PROTOTYPE(void, malloc, size_t size)
-INTERCEPT_TRACE("size %d", size)
-INTERCEPT_CALL_ARGS(size)
-INTERCEPT()
-
-#define INTERCEPT_FUNC(type, name, args...) \
-__I_FUNC_TYPE(type) \
-__I_FUNC_NAME(name) \
-__I_FUNC_ARGS(args)
-
-#define INTERCEPT_TRACE(fmt, args...) \
-#define __I_TRACE_FMT fmt \
-#define __I_TRACE_ARGS args
-
-#define INTERCEPT_CALL_ARGS(args...) \
-#define __I_CALL_ARGS args
-
-#define INTERCEPT() \
-__I_FUNC_TYPE __I_FUNC_NAME(__I_FUNC_ARGS) \
-{ \
- static __I_FUNC_TYPE (*plibc_ ## __I_FUNC_NAME)(args) = NULL; \
- \
- if(plibc_ ## __I_FUNC_NAME == NULL) { \
- plibc_ ## __I_FUNC_NAME = dlsym(RTLD_NEXT, "malloc"); \
- if(plibc_ ## __I_FUNC_NAME == NULL) { \
- fprintf(stderr, "mallocwrap: unable to find malloc\n"); \
- return NULL; \
- } \
- } \
- \
- trace_mark(ust, __I_FUNC_NAME, __I_TRACE_FMT, __I_TRACE_ARGS); \
- \
- return plibc_ ## __I_FUNC_NAME (__I_CALL_ARGS); \
-}
-#endif
-
-void *malloc(size_t size)
-{
- static void *(*plibc_malloc)(size_t size) = NULL;
-
- void *retval;
-
- if(plibc_malloc == NULL) {
- plibc_malloc = dlsym(RTLD_NEXT, "malloc");
- if(plibc_malloc == NULL) {
- fprintf(stderr, "mallocwrap: unable to find malloc\n");
- return NULL;
- }
- }
-
- retval = plibc_malloc(size);
-
- trace_mark(ust, malloc, "size %d ptr %p", (int)size, retval);
-
- return retval;
-}
-
-void free(void *ptr)
-{
- static void *(*plibc_free)(void *ptr) = NULL;
-
- if(plibc_free == NULL) {
- plibc_free = dlsym(RTLD_NEXT, "free");
- if(plibc_free == NULL) {
- fprintf(stderr, "mallocwrap: unable to find free\n");
- return;
- }
- }
-
- trace_mark(ust, free, "ptr %p", ptr);
-
- plibc_free(ptr);
-}
-
-MARKER_LIB