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* s390-tdep.c (s390_pop_frame_regular): Make sure the saved_regs

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array is actually set before we try to use it.
This commit is contained in:
Jim Blandy 2001-12-20 08:55:31 +00:00
parent 529765f487
commit 1a889ea5ea
2 changed files with 19 additions and 13 deletions
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3
gdb/ChangeLog
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@ -1,5 +1,8 @@
2001-12-19 Jim Blandy <jimb@redhat.com>
* s390-tdep.c (s390_pop_frame_regular): Make sure the saved_regs
array is actually set before we try to use it.
* s390-tdep.c (s390_frame_saved_pc_nofix): If we get the saved PC
out of the return address register, cache that in the frame's
extra info, just as if we'd gotten it from the saved regs array;

29
gdb/s390-tdep.c
View File

@ -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;
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);
}
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 ();