File: internal-call-instrument.s

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (43 lines) | stat: -rw-r--r-- 834 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# 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: %clang %t.o -o %t.exe -Wl,-q

# RUN: llvm-bolt --instrument %t.exe --relocs -o %t.out

  .text
  .globl  main
  .type main, %function
  .p2align  4
main:
  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)
  movabs $0xdeadbeef,%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 main, .-main