| /* 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 |