1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/*
* arch/alpha/lib/killstack.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
|
