28 lines
423 B
ArmAsm
28 lines
423 B
ArmAsm
/*
|
|
* arch/alpha/lib/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
|