diff options
| author | Andrew Cagney <cagney@redhat.com> | 2002-09-25 13:34:53 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2002-09-25 13:34:53 +0000 |
| commit | 8b69000d632078058da0ac203a220967f9ce77f7 (patch) | |
| tree | e777f04d045d30a00a4b1a3663884e34ad64541f /gdb/rs6000-tdep.c | |
| parent | 1ddd7b13ed95fd6adb76cdf785bcacdfb1df5441 (diff) | |
| download | gdb-8b69000d632078058da0ac203a220967f9ce77f7.zip gdb-8b69000d632078058da0ac203a220967f9ce77f7.tar.gz gdb-8b69000d632078058da0ac203a220967f9ce77f7.tar.bz2 | |
2002-09-25 Andrew Cagney <ac131313@redhat.com>
* rs6000-tdep.c (rs6000_frame_saved_pc): If the link register
wasn't saved, and the next innermost frame is a dummy, return the
dummy frame's link register.
Diffstat (limited to 'gdb/rs6000-tdep.c')
| -rw-r--r-- | gdb/rs6000-tdep.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index 2df49e1..a650f68 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -1527,6 +1527,16 @@ rs6000_frame_saved_pc (struct frame_info *fi) if (fi->next->signal_handler_caller) return read_memory_addr (fi->next->frame + SIG_FRAME_LR_OFFSET, wordsize); + else if (PC_IN_CALL_DUMMY (get_next_frame (fi)->pc, 0, 0)) + /* The link register wasn't saved by this frame and the next + (inner, newer) frame is a dummy. Get the link register + value by unwinding it from that [dummy] frame. */ + { + ULONGEST lr; + frame_unwind_unsigned_register (get_next_frame (fi), + tdep->ppc_lr_regnum, &lr); + return lr; + } else return read_memory_addr (FRAME_CHAIN (fi) + tdep->lr_frame_offset, wordsize); |