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28 lines
466 B
28 lines
466 B
/* 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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