mirror of https://gitee.com/openkylin/linux.git
29 lines
466 B
ArmAsm
29 lines
466 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* arch/alpha/lib/dbg_stackcheck.S
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* Contributed by Richard Henderson (rth@tamu.edu)
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*
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* Verify that we have not overflowed the stack. Oops if we have.
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*/
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#include <asm/asm-offsets.h>
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.text
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.set noat
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.align 3
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.globl _mcount
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.ent _mcount
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_mcount:
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.frame $30, 0, $28, 0
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.prologue 0
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lda $0, TASK_SIZE($8)
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cmpult $30, $0, $0
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bne $0, 1f
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ret ($28)
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1: stq $31, -8($31) # oops me, damn it.
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br 1b
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.end _mcount
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