diff options
Diffstat (limited to 'gdb/tramp-frame.c')
| -rw-r--r-- | gdb/tramp-frame.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gdb/tramp-frame.c b/gdb/tramp-frame.c index 3c7e9e6..feb0055 100644 --- a/gdb/tramp-frame.c +++ b/gdb/tramp-frame.c @@ -45,6 +45,7 @@ tramp_frame_cache (struct frame_info *this_frame, void **this_cache) { struct tramp_frame_cache *tramp_cache = (*this_cache); + if (tramp_cache->trad_cache == NULL) { tramp_cache->trad_cache = trad_frame_cache_zalloc (this_frame); @@ -63,6 +64,7 @@ tramp_frame_this_id (struct frame_info *this_frame, { struct trad_frame_cache *trad_cache = tramp_frame_cache (this_frame, this_cache); + trad_frame_get_id (trad_cache, this_id); } @@ -73,6 +75,7 @@ tramp_frame_prev_register (struct frame_info *this_frame, { struct trad_frame_cache *trad_cache = tramp_frame_cache (this_frame, this_cache); + return trad_frame_get_register (trad_cache, this_frame, prev_regnum); } @@ -83,16 +86,19 @@ tramp_frame_start (const struct tramp_frame *tramp, struct gdbarch *gdbarch = get_frame_arch (this_frame); enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); int ti; + /* Search through the trampoline for one that matches the instruction sequence around PC. */ for (ti = 0; tramp->insn[ti].bytes != TRAMP_SENTINEL_INSN; ti++) { CORE_ADDR func = pc - tramp->insn_size * ti; int i; + for (i = 0; 1; i++) { gdb_byte buf[sizeof (tramp->insn[0])]; ULONGEST insn; + if (tramp->insn[i].bytes == TRAMP_SENTINEL_INSN) return func; if (!safe_frame_unwind_memory (this_frame, |