Files
Linux_Drivers/linux_5.10/arch/alpha/lib/dbg_stackcheck.S
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

29 lines
466 B
ArmAsm

/* 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