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Fix assembler segfault on gcc/crtstuff.c file.

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* config/tc-ia64.c (ia64_flush_insns): Handle unwind directives
	not immediately followed by an instruction.
This commit is contained in:
Jim Wilson 2001-01-15 23:30:38 +00:00
parent 428e1889bc
commit b44b1b85f3
2 changed files with 22 additions and 0 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
2001-01-15 Jim Wilson <wilson@redhat.com>
* config/tc-ia64.c (ia64_flush_insns): Handle unwind directives
not immediately followed by an instruction.
2001-01-15 Kazu Hirata <kazu@hxi.com>
* config/tc-m68hc11.c: Fix formatting.

17
gas/config/tc-ia64.c
View File

@ -909,6 +909,7 @@ ia64_flush_insns ()
struct label_fix *lfix;
segT saved_seg;
subsegT saved_subseg;
unw_rec_list *ptr;
if (!md.last_text_seg)
return;
@ -936,6 +937,22 @@ ia64_flush_insns ()
}
CURR_SLOT.tag_fixups = 0;
/* In case there are unwind directives following the last instruction,
resolve those now. We only handle body and prologue directives here.
Give an error for others. */
for (ptr = unwind.current_entry; ptr; ptr = ptr->next)
{
if (ptr->r.type == prologue || ptr->r.type == prologue_gr
|| ptr->r.type == body)
{
ptr->slot_number = (unsigned long) frag_more (0);
ptr->slot_frag = frag_now;
}
else
as_bad (_("Unwind directive not followed by an instruction."));
}
unwind.current_entry = NULL;
subseg_set (saved_seg, saved_subseg);
if (md.qp.X_op == O_register)