Imported Upstream version 0.5.3upstream/0.5.3

1 files changed, 44 insertions, 0 deletions

diff --git a/demangle.c b/demangle.c
new file mode 100644
index 0000000..5825e28
--- /dev/null
+++ b/demangle.c
@@ -0,0 +1,44 @@
+#include "config.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "common.h"
+
+#ifdef USE_DEMANGLE
+
+/*****************************************************************************/
+
+static Dict *d = NULL;
+
+const char *
+my_demangle(const char *function_name) {
+	const char *tmp, *fn_copy;
+#if !defined HAVE_LIBIBERTY && defined HAVE_LIBSUPC__
+	extern char *__cxa_demangle(const char *, char *, size_t *, int *);
+	int status = 0;
+#endif
+
+	debug(DEBUG_FUNCTION, "my_demangle(name=%s)", function_name);
+
+	if (!d)
+		d = dict_init(dict_key2hash_string, dict_key_cmp_string);
+
+	tmp = dict_find_entry(d, (void *)function_name);
+	if (!tmp) {
+		fn_copy = strdup(function_name);
+#ifdef HAVE_LIBIBERTY
+		tmp = cplus_demangle(function_name, DMGL_ANSI | DMGL_PARAMS);
+#elif defined HAVE_LIBSUPC__
+		tmp = __cxa_demangle(function_name, NULL, NULL, &status);
+#endif
+		if (!tmp)
+			tmp = fn_copy;
+		if (tmp)
+			dict_enter(d, (void *)fn_copy, (void *)tmp);
+	}
+	return tmp;
+}
+
+#endif