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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 | 2 | /* |
f30c2269 | 3 | * arch/alpha/lib/dbg_stackcheck.S |
1da177e4 LT |
4 | * Contributed by Richard Henderson (rth@tamu.edu) |
5 | * | |
6 | * Verify that we have not overflowed the stack. Oops if we have. | |
7 | */ | |
8 | ||
e2d5df93 | 9 | #include <asm/asm-offsets.h> |
1da177e4 LT |
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) | |
25 | 1: stq $31, -8($31) # oops me, damn it. | |
26 | br 1b | |
27 | ||
28 | .end _mcount |