diff options
Diffstat (limited to 'debug')
-rw-r--r-- | debug/backtrace.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/debug/backtrace.c b/debug/backtrace.c index 969d699..2ed0112 100644 --- a/debug/backtrace.c +++ b/debug/backtrace.c @@ -20,6 +20,7 @@ #include <stdlib.h> #include <unwind.h> #include <unwind-link.h> +#include <arch_backtrace.h> struct trace_arg { @@ -63,6 +64,16 @@ backtrace_helper (struct _Unwind_Context *ctx, void *a) int __backtrace (void **array, int size) { + if (size <= 0) + return 0; + + /* Try the architecture-specific implementation first. */ + { + int result = __arch_backtrace (array, size); + if (result >= 0) + return result; + } + struct trace_arg arg = { .array = array, @@ -72,7 +83,7 @@ __backtrace (void **array, int size) .cnt = -1 }; - if (size <= 0 || arg.unwind_link == NULL) + if (arg.unwind_link == NULL) return 0; UNWIND_LINK_PTR (arg.unwind_link, _Unwind_Backtrace) |