diff options
Diffstat (limited to 'gdb/frame.c')
| -rw-r--r-- | gdb/frame.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/gdb/frame.c b/gdb/frame.c index 7afb70f..7f67d2e 100644 --- a/gdb/frame.c +++ b/gdb/frame.c @@ -1106,17 +1106,19 @@ create_new_frame (CORE_ADDR addr, CORE_ADDR pc) fi->next = create_sentinel_frame (get_current_regcache ()); + /* Set/update this frame's cached PC value, found in the next frame. + Do this before looking for this frame's unwinder. A sniffer is + very likely to read this, and the corresponding unwinder is + entitled to rely that the PC doesn't magically change. */ + fi->next->prev_pc.value = pc; + fi->next->prev_pc.p = 1; + /* Select/initialize both the unwind function and the frame's type based on the PC. */ fi->unwind = frame_unwind_find_by_frame (fi, &fi->prologue_cache); fi->this_id.p = 1; - fi->this_id.value.stack_addr = addr; - /* While we're at it, update this frame's cached PC value, found - in the next frame. Oh for the day when "struct frame_info" - is opaque and this hack on hack can just go away. */ - fi->next->prev_pc.value = pc; - fi->next->prev_pc.p = 1; + fi->this_id.value = frame_id_build (addr, pc); if (frame_debug) { |