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-rw-r--r--libglusterfs/src/common-utils.c55
1 files changed, 54 insertions, 1 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index 8274752822d..2b700af4e11 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -31,7 +31,7 @@
#include <netinet/in.h>
#include <arpa/inet.h>
#include <signal.h>
-#include <stdlib.h>
+#include <assert.h>
#if defined GF_BSD_HOST_OS || defined GF_DARWIN_HOST_OS
#include <sys/sysctl.h>
@@ -2906,3 +2906,56 @@ gf_thread_create (pthread_t *thread, const pthread_attr_t *attr,
return ret;
}
+
+#ifdef __NetBSD__
+#ifdef __MACHINE_STACK_GROWS_UP
+#define BELOW >
+#else
+#define BELOW <
+#endif
+
+struct frameinfo {
+ struct frameinfo *next;
+ void *return_address;
+};
+
+size_t
+backtrace(void **trace, size_t len)
+{
+ const struct frameinfo *frame = __builtin_frame_address(0);
+ void *stack = &stack;
+ size_t i;
+
+ for (i = 0; i < len; i++) {
+ if ((void *)frame BELOW stack)
+ return i;
+ trace[i] = frame->return_address;
+ frame = frame->next;
+ }
+
+ return len;
+}
+
+char **
+backtrace_symbols(void *const *trace, size_t len)
+{
+ static const size_t slen = sizeof("0x123456789abcdef");
+ char **ptr = calloc(len, sizeof(*ptr) + slen);
+ size_t i;
+
+ if (ptr == NULL)
+ return NULL;
+
+ char *str = (void *)(ptr + len);
+ size_t cur = 0, left = len * slen;
+
+ for (i = 0; i < len; i++) {
+ ptr[i] = str + cur;
+ cur += snprintf(str + cur, left - cur, "%p", trace[i]) + 1;
+ assert(cur < left);
+ }
+
+ return ptr;
+}
+#undef BELOW
+#endif /* __NetBSD__ */