1/*
2 * arch/alpha/lib/dbg_stackcheck.S
3 * Contributed by Richard Henderson (rth@tamu.edu)
4 *
5 * Verify that we have not overflowed the stack.  Oops if we have.
6 */
7
8#include <asm/asm-offsets.h>
9
10	.text
11	.set noat
12
13	.align 3
14	.globl _mcount
15	.ent _mcount
16_mcount:
17	.frame $30, 0, $28, 0
18	.prologue 0
19
20	lda	$0, TASK_SIZE($8)
21	cmpult	$30, $0, $0
22	bne	$0, 1f
23	ret	($28)
241:	stq	$31, -8($31)	# oops me, damn it.
25	br	1b
26
27	.end _mcount
28