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2003-03-10 Andrew Cagney <cagney@redhat.com>

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* d10v-tdep.c (d10v_frame_register_unwind): Correctly unwind the
	PC.
	(d10v_frame_pop): Unwind the PC, and not the LR, when restoring
	the PC register.
This commit is contained in:
Andrew Cagney 2003-03-10 14:43:15 +00:00
parent 1f63c74a92
commit ef840a371b
2 changed files with 21 additions and 3 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2003-03-10 Andrew Cagney <cagney@redhat.com>
* d10v-tdep.c (d10v_frame_register_unwind): Correctly unwind the
PC.
(d10v_frame_pop): Unwind the PC, and not the LR, when restoring
the PC register.
2003-03-08 Mark Kettenis <kettenis@gnu.org>
* gdbarch.sh (save_dummy_frame_tos): Add comment.

17
gdb/d10v-tdep.c
View File

@ -1557,8 +1557,19 @@ d10v_frame_register_unwind (struct frame_info *frame,
int *realnump, void *bufferp)
{
struct d10v_unwind_cache *info = d10v_frame_unwind_cache (frame, cache);
saved_regs_unwinder (frame, info->saved_regs, regnum, optimizedp,
lvalp, addrp, realnump, bufferp);
if (regnum == PC_REGNUM)
{
/* The call instruction saves the caller's PC in LR. The
function prologue of the callee may then save the LR on the
stack. Find that possibly saved LR value and return it. */
saved_regs_unwinder (frame, info->saved_regs, LR_REGNUM, optimizedp,
lvalp, addrp, realnump, bufferp);
}
else
{
saved_regs_unwinder (frame, info->saved_regs, regnum, optimizedp,
lvalp, addrp, realnump, bufferp);
}
}
@ -1587,7 +1598,7 @@ d10v_frame_pop (struct frame_info *fi, void **unwind_cache,
frame_unwind_register (fi, PSW_REGNUM, raw_buffer);
regcache_cooked_write (regcache, PSW_REGNUM, raw_buffer);
frame_unwind_register (fi, LR_REGNUM, raw_buffer);
frame_unwind_register (fi, PC_REGNUM, raw_buffer);
regcache_cooked_write (regcache, PC_REGNUM, raw_buffer);
store_unsigned_integer (raw_buffer,