bolt/test/X86/internal-call-instrument-so.s

   1 # This reproduces a bug with instrumentation crashes on internal call
   2
   3 # REQUIRES: system-linux,bolt-runtime,target=x86_64{{.*}}
   4
   5 # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o
   6 # Delete our BB symbols so BOLT doesn't mark them as entry points
   7 # RUN: llvm-strip --strip-unneeded %t.o
   8 # RUN: ld.lld %t.o -o %t.exe -q -shared -fini=_fini
   9 # RUN: llvm-bolt --instrument %t.exe --relocs -o %t.out
  10
  11   .text
  12   .globl  _start
  13   .type _start, %function
  14   .p2align  4
  15 _start:
  16   push   %rbp
  17   mov    %rsp,%rbp
  18   push   %r12
  19   push   %rbx
  20   sub    $0x120,%rsp
  21   mov    $0x3,%rbx
  22 .J1:
  23   cmp    $0x0,%rbx
  24   je     .J2
  25   callq  .J3
  26   nopl   (%rax,%rax,1)
  27   lea    var@GOTPCREL(%rip),%rax
  28   retq
  29 .J2:
  30   add    $0x120,%rsp
  31   pop    %rbx
  32   pop    %r12
  33   jmp    .J4
  34 .J3:
  35   pop    %rax
  36   add    $0x4,%rax
  37   dec    %rbx
  38   jmp    .J1
  39 .J4:
  40   pop    %rbp
  41   retq
  42   .size _start, .-_start
  43
  44   .globl  _fini
  45   .type _fini, %function
  46   .p2align  4
  47 _fini:
  48   hlt
  49   .size _fini, .-_fini
  50
  51   .data
  52   .globl var
  53 var:
  54   .quad 0xdeadbeef