File: [Development] / linux-2.6-xfs / arch / alpha / lib / dbg_stackkill.S (download)
Revision 1.3, Tue Oct 31 15:49:12 2006 UTC (10 years, 11 months ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD Changes since 1.2: +1 -1
lines
Merge up to 2.6.19-rc3
Merge of 2.6.x-xfs-melb:linux:27325b by kenmcd.
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/*
* 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