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Tip revision: 986208ac070ff60c74845a6dfc50d435f4be0e64 authored by Jason Self on 06 January 2010, 23:17:49 UTC
Linux-libre 2.6.27.43-gnu1
Tip revision: 986208a
dbg_stackcheck.S
/*
 * arch/alpha/lib/dbg_stackcheck.S
 * Contributed by Richard Henderson (rth@tamu.edu)
 *
 * Verify that we have not overflowed the stack.  Oops if we have.
 */

#include <asm/asm-offsets.h>

	.text
	.set noat

	.align 3
	.globl _mcount
	.ent _mcount
_mcount:
	.frame $30, 0, $28, 0
	.prologue 0

	lda	$0, TASK_SIZE($8)
	cmpult	$30, $0, $0
	bne	$0, 1f
	ret	($28)
1:	stq	$31, -8($31)	# oops me, damn it.
	br	1b

	.end _mcount
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