+/* 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 "marker.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)
-void *(*plibc_malloc)(size_t size) = NULL;
+#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) {
}
}
- trace_mark(ust, malloc, "%d", (int)size);
+ 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, "%p", ptr);
- fprintf(stderr, "mallocating size %d\n", size);
- return plibc_malloc(size);
+ plibc_free(ptr);
}
MARKER_LIB