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Fix function prologue analyzer for moxie.

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This commit is contained in:
Anthony Green 2012-09-10 21:16:43 +00:00
parent c891b3f924
commit 5152ff9039
2 changed files with 11 additions and 6 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2012-09-10 Anthony Green <green@moxielogic.com>
* moxie-tdep.c (moxie_analyze_prologue): Update for function
prologue changes in GCC.
2012-09-10 Keith Seitz <keiths@redhat.com>
PR gdb/13483

12
gdb/moxie-tdep.c
View file

@ -166,8 +166,8 @@ moxie_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
{
inst = read_memory_unsigned_integer (next_addr, 2, byte_order);
/* Match "push $rN" where N is between 2 and 13 inclusive. */
if (inst >= 0x0614 && inst <= 0x061f)
/* Match "push $sp $rN" where N is between 0 and 13 inclusive. */
if (inst >= 0x0612 && inst <= 0x061f)
{
regnum = inst & 0x000f;
cache->framesize += 4;
@ -182,19 +182,19 @@ moxie_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
/* Optional stack allocation for args and local vars <= 4
byte. */
if (inst == 0x0170) /* ldi.l $r5, X */
if (inst == 0x01e0) /* ldi.l $r12, X */
{
offset = read_memory_integer (next_addr + 2, 4, byte_order);
inst2 = read_memory_unsigned_integer (next_addr + 6, 2, byte_order);
if (inst2 == 0x0517) /* add.l $sp, $r5 */
if (inst2 == 0x291e) /* sub.l $sp, $r12 */
{
cache->framesize += offset;
}
return (next_addr + 8);
}
else if ((inst & 0xff00) == 0x91) /* dec $sp, X */
else if ((inst & 0xff00) == 0x9100) /* dec $sp, X */
{
cache->framesize += (inst & 0x00ff);
next_addr += 2;
@ -202,7 +202,7 @@ moxie_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
while (next_addr < end_addr)
{
inst = read_memory_unsigned_integer (next_addr, 2, byte_order);
if ((inst & 0xff00) != 0x91) /* no more dec $sp, X */
if ((inst & 0xff00) != 0x9100) /* no more dec $sp, X */
break;
cache->framesize += (inst & 0x00ff);
next_addr += 2;