bolt/test/X86/shared_object_entry.s

   1 # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o
   2 # RUN: ld.lld %t.o -o %t.so --shared --entry=func1.cold.1 --emit-relocs
   3 # RUN: llvm-bolt -relocs %t.so -o %t -reorder-functions=hfsort+ \
   4 # RUN:    -split-functions -reorder-blocks=ext-tsp -split-all-cold \
   5 # RUN:    -dyno-stats -icf=1 -use-gnu-stack
   6
   7 # Check that an entry point is a cold symbol
   8 # RUN: llvm-readelf -h %t.so > %t.log
   9 # RUN: llvm-nm %t.so >> %t.log
  10 # RUN: FileCheck %s --input-file %t.log
  11 # CHECK: Entry point address: 0x[[#%X,ENTRY:]]
  12 # CHECK: [[#%x,ENTRY]] {{.*}} func1.cold.1
  13
  14 .globl func1.cold.1
  15 .type func1.cold.1,@function
  16 func1.cold.1:
  17   .cfi_startproc
  18 .L1:
  19                 movq %rbx, %rdx
  20                 jmp .L3
  21 .L2:
  22                 # exit(0)
  23                 movq $60, %rax
  24                 xorq %rdi, %rdi
  25                 syscall
  26   .size func1.cold.1, .-func1.cold.1
  27   .cfi_endproc
  28
  29 .globl func1
  30 .type func1,@function
  31 func1:
  32   .cfi_startproc
  33 .L3:
  34                 movq %rax, %rdi
  35                 jmp .L2
  36   call exit
  37   .size func1, .-func1
  38   .cfi_endproc