1 | // Test that the runtime correctly interposes ___cxa_atexit. |
2 | // |
3 | // RUN: %clang -c -o %t %s |
4 | // RUN: %llvm_jitlink %t |
5 | |
6 | .text |
7 | // Destructor resets the test result override to zero. |
8 | .globl on_exit |
9 | .p2align 2 |
10 | .type on_exit,@function |
11 | on_exit: |
12 | |
13 | mov w0, wzr |
14 | b llvm_jitlink_setTestResultOverride |
15 | .Lfunc_end0: |
16 | .size on_exit, .Lfunc_end0-on_exit |
17 | |
18 | // main registers the atexit and sets the test result to one. |
19 | .globl main |
20 | .p2align 2 |
21 | .type main,@function |
22 | main: |
23 | |
24 | stp x29, x30, [sp, #-16]! |
25 | mov x29, sp |
26 | adrp x8, :got:__dso_handle |
27 | adrp x0, :got:on_exit |
28 | mov x1, xzr |
29 | ldr x8, [x8, :got_lo12:__dso_handle] |
30 | ldr x2, [x8] |
31 | ldr x0, [x0, :got_lo12:on_exit] |
32 | bl __cxa_atexit |
33 | mov w0, #1 |
34 | bl llvm_jitlink_setTestResultOverride |
35 | mov w0, wzr |
36 | ldp x29, x30, [sp], #16 |
37 | ret |
38 | .Lfunc_end1: |
39 | .size main, .Lfunc_end1-main |
40 | |