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Fix testcase from David Mosberger.

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* config/tc-ia64.c (ia64_convert_frag): Call md_number_to_chars to
fill padding bytes with zeroes.
(emit_one_bundle): New locals last_ptr, end_ptr.  Rewrite code that
sets unwind_record slot_number and slot_frag fields.
This commit is contained in:
Jim Wilson
2004-02-04 04:40:24 +00:00
parent aaa08ee402
commit d6e78c1105
2 changed files with 61 additions and 22 deletions
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7
gas/ChangeLog
View File

@ -1,3 +1,10 @@
2004-02-03 James E Wilson <wilson@specifixinc.com>
* config/tc-ia64.c (ia64_convert_frag): Call md_number_to_chars to
fill padding bytes with zeroes.
(emit_one_bundle): New locals last_ptr, end_ptr. Rewrite code that
sets unwind_record slot_number and slot_frag fields.
2004-02-02 Maciej W. Rozycki <macro@ds2.pg.gda.pl> 2004-02-02 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
* config/tc-mips.c (add_got_offset_hilo): New function. * config/tc-mips.c (add_got_offset_hilo): New function.

54
gas/config/tc-ia64.c
View File

@ -2911,6 +2911,12 @@ ia64_convert_frag (fragS *frag)
/* Skip the header. */ /* Skip the header. */
vbyte_mem_ptr = frag->fr_literal + 8; vbyte_mem_ptr = frag->fr_literal + 8;
process_unw_records (list, output_vbyte_mem); process_unw_records (list, output_vbyte_mem);
/* Fill the padding bytes with zeros. */
if (pad != 0)
md_number_to_chars (frag->fr_literal + len + 8 - md.pointer_size + pad, 0,
md.pointer_size - pad);
frag->fr_fix += size; frag->fr_fix += size;
frag->fr_type = rs_fill; frag->fr_type = rs_fill;
frag->fr_var = 0; frag->fr_var = 0;
@ -6032,7 +6038,7 @@ emit_one_bundle ()
struct ia64_opcode *idesc; struct ia64_opcode *idesc;
int end_of_insn_group = 0, user_template = -1; int end_of_insn_group = 0, user_template = -1;
int n, i, j, first, curr; int n, i, j, first, curr;
unw_rec_list *ptr; unw_rec_list *ptr, *last_ptr, *end_ptr;
bfd_vma t0 = 0, t1 = 0; bfd_vma t0 = 0, t1 = 0;
struct label_fix *lfix; struct label_fix *lfix;
struct insn_fix *ifix; struct insn_fix *ifix;
@ -6076,18 +6082,39 @@ emit_one_bundle ()
end_of_insn_group = 0; end_of_insn_group = 0;
for (i = 0; i < 3 && md.num_slots_in_use > 0; ++i) for (i = 0; i < 3 && md.num_slots_in_use > 0; ++i)
{ {
/* Set the slot number for prologue/body records now as those /* If we have unwind records, we may need to update some now. */
refer to the current point, not the point after the ptr = md.slot[curr].unwind_record;
instruction has been issued: */ if (ptr)
/* 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. */ /* Find the last prologue/body record in the list for the current
for (ptr = md.slot[curr].unwind_record; ptr; ptr = ptr->next) insn, and set the slot number for all records up to that point.
This needs to be done now, because prologue/body records refer to
the current point, not the point after the instruction has been
issued. This matters because there may have been nops emitted
meanwhile. Any non-prologue non-body record followed by a
prologue/body record must also refer to the current point. */
last_ptr = NULL;
end_ptr = md.slot[(curr + 1) % NUM_SLOTS].unwind_record;
for (; ptr != end_ptr; ptr = ptr->next)
if (ptr->r.type == prologue || ptr->r.type == prologue_gr if (ptr->r.type == prologue || ptr->r.type == prologue_gr
|| ptr->r.type == body) || ptr->r.type == body)
last_ptr = ptr;
if (last_ptr)
{
/* Make last_ptr point one after the last prologue/body
record. */
last_ptr = last_ptr->next;
for (ptr = md.slot[curr].unwind_record; ptr != last_ptr;
ptr = ptr->next)
{ {
ptr->slot_number = (unsigned long) f + i; ptr->slot_number = (unsigned long) f + i;
ptr->slot_frag = frag_now; ptr->slot_frag = frag_now;
} }
/* Remove the initialized records, so that we won't accidentally
update them again if we insert a nop and continue. */
md.slot[curr].unwind_record = last_ptr;
}
}
if (idesc->flags & IA64_OPCODE_SLOT2) if (idesc->flags & IA64_OPCODE_SLOT2)
{ {
@ -6292,15 +6319,20 @@ emit_one_bundle ()
build_insn (md.slot + curr, insn + i); build_insn (md.slot + curr, insn + i);
/* Set slot counts for non prologue/body unwind records. */ ptr = md.slot[curr].unwind_record;
for (ptr = md.slot[curr].unwind_record; ptr; ptr = ptr->next) if (ptr)
if (ptr->r.type != prologue && ptr->r.type != prologue_gr {
&& ptr->r.type != body) /* Set slot numbers for all remaining unwind records belonging to the
current insn. There can not be any prologue/body unwind records
here. */
end_ptr = md.slot[(curr + 1) % NUM_SLOTS].unwind_record;
for (; ptr != end_ptr; ptr = ptr->next)
{ {
ptr->slot_number = (unsigned long) f + i; ptr->slot_number = (unsigned long) f + i;
ptr->slot_frag = frag_now; ptr->slot_frag = frag_now;
} }
md.slot[curr].unwind_record = NULL; md.slot[curr].unwind_record = NULL;
}
if (required_unit == IA64_UNIT_L) if (required_unit == IA64_UNIT_L)
{ {