Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
f30c2269 | 2 | * arch/alpha/lib/dbg_stackcheck.S |
1da177e4 LT |
3 | * Contributed by Richard Henderson (rth@tamu.edu) |
4 | * | |
5 | * Verify that we have not overflowed the stack. Oops if we have. | |
6 | */ | |
7 | ||
e2d5df93 | 8 | #include <asm/asm-offsets.h> |
1da177e4 LT |
9 | |
10 | .text | |
11 | .set noat | |
12 | ||
13 | .align 3 | |
14 | .globl _mcount | |
15 | .ent _mcount | |
16 | _mcount: | |
17 | .frame $30, 0, $28, 0 | |
18 | .prologue 0 | |
19 | ||
20 | lda $0, TASK_SIZE($8) | |
21 | cmpult $30, $0, $0 | |
22 | bne $0, 1f | |
23 | ret ($28) | |
24 | 1: stq $31, -8($31) # oops me, damn it. | |
25 | br 1b | |
26 | ||
27 | .end _mcount |