1 | /* SPDX-License-Identifier: GPL-2.0 */ |
---|---|
2 | /* |
3 | * arch/alpha/lib/dbg_current.S |
4 | * Contributed by Richard Henderson (rth@cygnus.com) |
5 | * |
6 | * Trap if we find current not correct. |
7 | */ |
8 | |
9 | #include <asm/pal.h> |
10 | |
11 | .text |
12 | .set noat |
13 | |
14 | .globl _mcount |
15 | .ent _mcount |
16 | _mcount: |
17 | .frame $30, 0, $28, 0 |
18 | .prologue 0 |
19 | |
20 | lda $0, -0x4000($30) |
21 | cmpult $8, $30, $1 |
22 | cmpule $0, $30, $2 |
23 | and $1, $2, $3 |
24 | bne $3, 1f |
25 | |
26 | call_pal PAL_bugchk |
27 | |
28 | 1: ret $31, ($28), 1 |
29 | |
30 | .end _mcount |
31 |