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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * arch/alpha/lib/dbg_current.S
3 * Contributed by Richard Henderson (rth@cygnus.com)
4 *
5 * Trap if we find current not correct.
6 */
7
8#include <asm/pal.h>
9
10 .text
11 .set noat
12
13 .globl _mcount
14 .ent _mcount
15_mcount:
16 .frame $30, 0, $28, 0
17 .prologue 0
18
19 lda $0, -0x4000($30)
20 cmpult $8, $30, $1
21 cmpule $0, $30, $2
22 and $1, $2, $3
23 bne $3, 1f
24
25 call_pal PAL_bugchk
26
271: ret $31, ($28), 1
28
29 .end _mcount