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unwind bug fixes needed for today's gcc patch.

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* config/tc-ia64.c (generate_unwind_image): Call ia64_flush_insns.
	(dot_endp): Don't call ia64_flush_insns.
	(emit_one_bundle): Don't delete prologue/body records from
	unwind_record list in first loop.  Rewrite second loop to account for
	this.
This commit is contained in:
Jim Wilson 2000-06-08 17:07:48 +00:00
parent bf64bfd6ba
commit 10850f29fe
2 changed files with 24 additions and 21 deletions
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8
gas/ChangeLog
View File

@ -1,3 +1,11 @@
2000-06-08 James E. Wilson <wilson@cygnus.com>
* config/tc-ia64.c (generate_unwind_image): Call ia64_flush_insns.
(dot_endp): Don't call ia64_flush_insns.
(emit_one_bundle): Don't delete prologue/body records from
unwind_record list in first loop. Rewrite second loop to account for
this.
2000-06-07 David Mosberger <davidm@hpl.hp.com>
* config/tc-ia64.c: Add missing prototypes.

37
gas/config/tc-ia64.c
View File

@ -2942,6 +2942,10 @@ generate_unwind_image ()
int size;
unsigned char *unw_rec;
/* Force out pending instructions, to make sure all unwind records have
a valid slot_number field. */
ia64_flush_insns ();
/* Generate the unwind record. */
size = output_unw_records (unwind.list, (void **) &unw_rec);
if (size % 8 != 0)
@ -3561,7 +3565,6 @@ dot_endp (dummy)
demand_empty_rest_of_line ();
insn_group_break (1, 0, 0);
ia64_flush_insns ();
/* If there was a .handlerdata, we haven't generated an image yet. */
if (unwind.info == 0)
@ -5239,21 +5242,12 @@ emit_one_bundle ()
/* Set the slot number for prologue/body records now as those
refer to the current point, not the point after the
instruction has been issued: */
prev = 0;
/* Don't try to delete prologue/body records here, as that will cause
them to also be deleted from the master list of unwind records. */
for (ptr = md.slot[curr].unwind_record; ptr; ptr = ptr->next)
{
if (ptr->r.type == prologue || ptr->r.type == prologue_gr
|| ptr->r.type == body)
{
ptr->slot_number = (unsigned long) f + i;
if (prev)
prev->next = ptr->next;
else
md.slot[curr].unwind_record = ptr->next;
}
else
prev = ptr;
}
if (ptr->r.type == prologue || ptr->r.type == prologue_gr
|| ptr->r.type == body)
ptr->slot_number = (unsigned long) f + i;
if (idesc->flags & IA64_OPCODE_SLOT2)
{
@ -5453,13 +5447,14 @@ emit_one_bundle ()
build_insn (md.slot + curr, insn + i);
/* Set slot counts for unwind records. */
while (md.slot[curr].unwind_record)
{
md.slot[curr].unwind_record->slot_number = (unsigned long) f + i;
md.slot[curr].unwind_record = md.slot[curr].unwind_record->next;
}
/* Set slot counts for non prologue/body unwind records. */
for (ptr = md.slot[curr].unwind_record; ptr; ptr = ptr->next)
if (ptr->r.type != prologue && ptr->r.type != prologue_gr
&& ptr->r.type != body)
ptr->slot_number = (unsigned long) f + i;
md.slot[curr].unwind_record = NULL;
unwind.next_slot_number = (unsigned long) f + i + ((i == 2)?(0x10-2):1);
if (required_unit == IA64_UNIT_L)
{
know (i == 1);