aboutsummaryrefslogtreecommitdiffstats
path: root/src/vppinfra/backtrace.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vppinfra/backtrace.c')
-rwxr-xr-x[-rw-r--r--]src/vppinfra/backtrace.c35
1 files changed, 14 insertions, 21 deletions
diff --git a/src/vppinfra/backtrace.c b/src/vppinfra/backtrace.c
index bbfb792c656..ca7591c5168 100644..100755
--- a/src/vppinfra/backtrace.c
+++ b/src/vppinfra/backtrace.c
@@ -219,43 +219,36 @@ backtrace_done:
#ifndef clib_backtrace_defined
#define clib_backtrace_defined
-typedef struct clib_generic_stack_frame_t
-{
- struct clib_generic_stack_frame_t *prev;
- void *return_address;
-} clib_generic_stack_frame_t;
+/* use glibc backtrace for stack trace */
+#include <execinfo.h>
-/* This will only work if we have a frame pointer.
- Without a frame pointer we have to parse the machine code to
- parse the stack frames. */
uword
clib_backtrace (uword * callers, uword max_callers, uword n_frames_to_skip)
{
- clib_generic_stack_frame_t *f;
- uword i;
-
- f = __builtin_frame_address (0);
-
+ int size;
+ void *array[20];
/* Also skip current frame. */
n_frames_to_skip += 1;
- for (i = 0; i < max_callers + n_frames_to_skip; i++)
+ size = clib_min (ARRAY_LEN (array), max_callers + n_frames_to_skip);
+
+ size = backtrace (array, size);
+
+ uword i;
+
+ for (i = 0; i < max_callers + n_frames_to_skip && i < size; i++)
{
- f = f->prev;
- if (!f)
- goto backtrace_done;
- if (clib_abs ((void *) f - (void *) f->prev) > (64 * 1024))
- goto backtrace_done;
if (i >= n_frames_to_skip)
- callers[i - n_frames_to_skip] = pointer_to_uword (f->return_address);
+ callers[i - n_frames_to_skip] = pointer_to_uword (array[i]);
}
-backtrace_done:
if (i < n_frames_to_skip)
return 0;
else
return i - n_frames_to_skip;
}
+
+
#endif /* clib_backtrace_defined */
/*