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| /* SPDX-License-Identifier: GPL-2.0 */
| /*
| * arch/alpha/lib/dbg_stackkill.S
| * Contributed by Richard Henderson (rth@cygnus.com)
| *
| * Clobber the balance of the kernel stack, hoping to catch
| * uninitialized local variables in the act.
| */
|
| #include <asm/asm-offsets.h>
|
| .text
| .set noat
|
| .align 5
| .globl _mcount
| .ent _mcount
| _mcount:
| .frame $30, 0, $28, 0
| .prologue 0
|
| ldi $0, 0xdeadbeef
| lda $2, -STACK_SIZE
| sll $0, 32, $1
| and $30, $2, $2
| or $0, $1, $0
| lda $2, TASK_SIZE($2)
| cmpult $2, $30, $1
| beq $1, 2f
| 1: stq $0, 0($2)
| addq $2, 8, $2
| cmpult $2, $30, $1
| bne $1, 1b
| 2: ret ($28)
|
| .end _mcount
|
|
