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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> 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 * 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 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; extra info, just as if we'd gotten it from the saved regs array;

29
gdb/s390-tdep.c
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@@ -1225,20 +1225,23 @@ s390_pop_frame_regular (struct frame_info *frame)
write_register (S390_PC_REGNUM, FRAME_SAVED_PC (frame)); write_register (S390_PC_REGNUM, FRAME_SAVED_PC (frame));
/* Restore any saved registers. */ /* Restore any saved registers. */
for (regnum = 0; regnum < NUM_REGS; regnum++) if (frame->saved_regs)
if (frame->saved_regs[regnum] != 0) {
{ for (regnum = 0; regnum < NUM_REGS; regnum++)
ULONGEST value; 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], /* Actually cut back the stack. Remember that the SP's element of
REGISTER_RAW_SIZE (regnum)); saved_regs is the old SP itself, not the address at which it is
write_register (regnum, value); 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. */ /* Throw away any cached frame information. */
flush_cached_frames (); flush_cached_frames ();