diff options
Diffstat (limited to 'gdb/s390-tdep.c')
| -rw-r--r-- | gdb/s390-tdep.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/gdb/s390-tdep.c b/gdb/s390-tdep.c index c524657..7b4972b 100644 --- a/gdb/s390-tdep.c +++ b/gdb/s390-tdep.c @@ -1225,20 +1225,23 @@ s390_pop_frame_regular (struct frame_info *frame) write_register (S390_PC_REGNUM, FRAME_SAVED_PC (frame)); /* Restore any saved registers. */ - for (regnum = 0; regnum < NUM_REGS; regnum++) - if (frame->saved_regs[regnum] != 0) - { - ULONGEST value; - - value = read_memory_unsigned_integer (frame->saved_regs[regnum], - REGISTER_RAW_SIZE (regnum)); - write_register (regnum, value); - } + if (frame->saved_regs) + { + for (regnum = 0; regnum < NUM_REGS; regnum++) + if (frame->saved_regs[regnum] != 0) + { + ULONGEST value; + + value = read_memory_unsigned_integer (frame->saved_regs[regnum], + REGISTER_RAW_SIZE (regnum)); + write_register (regnum, value); + } - /* Actually cut back the stack. Remember that the SP's element of - saved_regs is the old SP itself, not the address at which it is - saved. */ - write_register (S390_SP_REGNUM, frame->saved_regs[S390_SP_REGNUM]); + /* Actually cut back the stack. Remember that the SP's element of + saved_regs is the old SP itself, not the address at which it is + saved. */ + write_register (S390_SP_REGNUM, frame->saved_regs[S390_SP_REGNUM]); + } /* Throw away any cached frame information. */ flush_cached_frames (); |