Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
37 lines
614 B
ArmAsm
37 lines
614 B
ArmAsm
/* 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
|