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/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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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