diff options
Diffstat (limited to 'gdb/i386-tdep.c')
| -rw-r--r-- | gdb/i386-tdep.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index a1a4453..5b4a5a3 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -1905,12 +1905,17 @@ i386_frame_this_id (struct frame_info *this_frame, void **this_cache, { struct i386_frame_cache *cache = i386_frame_cache (this_frame, this_cache); - /* This marks the outermost frame. */ - if (cache->base == 0) - return; - - /* See the end of i386_push_dummy_call. */ - (*this_id) = frame_id_build (cache->base + 8, cache->pc); + if (!cache->base_p) + (*this_id) = frame_id_build_unavailable_stack (cache->pc); + else if (cache->base == 0) + { + /* This marks the outermost frame. */ + } + else + { + /* See the end of i386_push_dummy_call. */ + (*this_id) = frame_id_build (cache->base + 8, cache->pc); + } } static enum unwind_stop_reason @@ -2091,9 +2096,9 @@ i386_epilogue_frame_this_id (struct frame_info *this_frame, i386_epilogue_frame_cache (this_frame, this_cache); if (!cache->base_p) - return; - - (*this_id) = frame_id_build (cache->base + 8, cache->pc); + (*this_id) = frame_id_build_unavailable_stack (cache->pc); + else + (*this_id) = frame_id_build (cache->base + 8, cache->pc); } static struct value * @@ -2284,10 +2289,12 @@ i386_sigtramp_frame_this_id (struct frame_info *this_frame, void **this_cache, i386_sigtramp_frame_cache (this_frame, this_cache); if (!cache->base_p) - return; - - /* See the end of i386_push_dummy_call. */ - (*this_id) = frame_id_build (cache->base + 8, get_frame_pc (this_frame)); + (*this_id) = frame_id_build_unavailable_stack (get_frame_pc (this_frame)); + else + { + /* See the end of i386_push_dummy_call. */ + (*this_id) = frame_id_build (cache->base + 8, get_frame_pc (this_frame)); + } } static struct value * |