1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * arch/alpha/lib/dbg_stackcheck.S 4 * Contributed by Richard Henderson (rth@tamu.edu) 5 * 6 * Verify that we have not overflowed the stack. Oops if we have. 7 */ 8 9#include <asm/asm-offsets.h> 10 11 .text 12 .set noat 13 14 .align 3 15 .globl _mcount 16 .ent _mcount 17_mcount: 18 .frame $30, 0, $28, 0 19 .prologue 0 20 21 lda $0, TASK_SIZE($8) 22 cmpult $30, $0, $0 23 bne $0, 1f 24 ret ($28) 251: stq $31, -8($31) # oops me, damn it. 26 br 1b 27 28 .end _mcount 29