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| author | Amir Ayupov <aaupov@fb.com> | 2022-02-08 08:14:32 +0300 |
|---|---|---|
| committer | Amir Ayupov <aaupov@fb.com> | 2022-02-08 23:43:06 +0300 |
| commit | 9be6e40d1afb59bd33acab5bf8de830cff92c860 (patch) | |
| tree | 23270bbbdeb36ed2f08579775869f074a8c1e73e /bolt | |
| parent | f2c2e924e73a76562b7cc6d8fd96df5b177eaf18 (diff) | |
[BOLT][TEST] Add .so instrumentation test
Summary: Shared object instrumentation test
Test Plan: bin/llvm-lit -a bolt/test/X86/internal-call-instrument-so.s
Reviewers: rafauler
FBD34064557
Diffstat (limited to 'bolt')
| -rw-r--r-- | bolt/test/X86/internal-call-instrument-so.s | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/bolt/test/X86/internal-call-instrument-so.s b/bolt/test/X86/internal-call-instrument-so.s new file mode 100644 index 000000000000..67a6e4ec6478 --- /dev/null +++ b/bolt/test/X86/internal-call-instrument-so.s @@ -0,0 +1,55 @@ +# This reproduces a bug with instrumentation crashes on internal call + +# REQUIRES: system-linux,bolt-runtime + +# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o +# Delete our BB symbols so BOLT doesn't mark them as entry points +# RUN: llvm-strip --strip-unneeded %t.o +# RUN: ld.lld %t.o -o %t.exe -q -shared -fini=_fini +# RUN: llvm-bolt -instrument %t.exe -relocs -o %t.out + + .text + .globl _start + .type _start, %function + .p2align 4 +_start: + push %rbp + mov %rsp,%rbp + push %r12 + push %rbx + sub $0x120,%rsp + mov $0x3,%rbx +.J1: + cmp $0x0,%rbx + je .J2 + callq .J3 + nopl (%rax,%rax,1) + lea var@GOTPCREL(%rip),%rax + retq +.J2: + add $0x120,%rsp + pop %rbx + pop %r12 + jmp .J4 +.J3: + pop %rax + add $0x4,%rax + dec %rbx + jmp .J1 +.J4: + pop %rbp + retq + .size _start, .-_start + + + .globl _fini + .type _fini, %function + .p2align 4 +_fini: + hlt + .size _fini, .-_fini + + .data + .globl var +var: + .quad 0xdeadbeef |