Dump stack in nullpo*/Assert* function.

Also enable in configure linker flag -rdynamic.

1 files changed, 17 insertions, 0 deletions

diff --git a/src/common/nullpo.c b/src/common/nullpo.c
index e61d52257..97b206835 100644
--- a/src/common/nullpo.c
+++ b/src/common/nullpo.c
@@ -8,7 +8,11 @@
 
 #include <stdio.h>
 #include <stdarg.h>
+#include <stdlib.h>
 #include <string.h>
+#ifdef __GNUC__
+#include <execinfo.h>
+#endif
 
 #include "../common/showmsg.h"
 
@@ -24,6 +28,12 @@ struct nullpo_interface nullpo_s;
  * @param title      Message title to display (i.e. failed assertion or nullpo info)
  */
 void assert_report(const char *file, int line, const char *func, const char *targetname, const char *title) {
+#ifdef __GNUC__
+	void *array[10];
+	int size;
+	char **strings;
+	int i;
+#endif
 	if (file == NULL)
 		file = "??";
 
@@ -32,6 +42,13 @@ void assert_report(const char *file, int line, const char *func, const char *tar
 
 	ShowError("--- %s --------------------------------------------\n", title);
 	ShowError("%s:%d: '%s' in function `%s'\n", file, line, targetname, func);
+#ifdef __GNUC__
+	size = backtrace (array, 10);
+	strings = backtrace_symbols (array, size);
+	for (i = 0; i < size; i++)
+		ShowError("%s\n", strings[i]);
+	free (strings);
+#endif
 	ShowError("--- end %s ----------------------------------------\n", title);
 }