diff options
Diffstat (limited to 'sysdeps/generic/backtrace.c')
| -rw-r--r-- | sysdeps/generic/backtrace.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sysdeps/generic/backtrace.c b/sysdeps/generic/backtrace.c index 2579984747..f27f890bc4 100644 --- a/sysdeps/generic/backtrace.c +++ b/sysdeps/generic/backtrace.c @@ -1,5 +1,5 @@ /* Return backtrace of current program state. Generic version. - Copyright (C) 1998, 2000 Free Software Foundation, Inc. + Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -58,6 +58,11 @@ extern void *__libc_stack_end; # define ADVANCE_STACK_FRAME(next) BOUNDED_1 ((struct layout *) (next)) #endif +/* By default, the frame pointer is just what we get from gcc. */ +#ifndef FIRST_FRAME_POINTER +# define FIRST_FRAME_POINTER __builtin_frame_address (0) +#endif + int __backtrace (array, size) void **array; @@ -68,7 +73,7 @@ __backtrace (array, size) void *__unbounded top_stack; int cnt = 0; - top_frame = __builtin_frame_address (0); + top_frame = FIRST_FRAME_POINTER; top_stack = CURRENT_STACK_FRAME; /* We skip the call to this function, it makes no sense to record it. */ |