lld/test/ELF/gc-sections-merge.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc %s -o %t.o -filetype=obj -triple=x86_64-pc-linux
   3 // RUN: ld.lld %t.o -o %t.so -shared
   4 // RUN: ld.lld %t.o -o %t.gc.so -shared --gc-sections
   5 // RUN: llvm-readobj -S --section-data %t.so | FileCheck %s
   6 // RUN: llvm-readobj -S --section-data %t.gc.so | FileCheck --check-prefix=GC %s
   7
   8
   9 // CHECK:      Name: .rodata
  10 // CHECK-NEXT: Type: SHT_PROGBITS
  11 // CHECK-NEXT: Flags [
  12 // CHECK-NEXT:   SHF_ALLOC
  13 // CHECK-NEXT:   SHF_MERGE
  14 // CHECK-NEXT:   SHF_STRINGS
  15 // CHECK-NEXT: ]
  16 // CHECK-NEXT: Address:
  17 // CHECK-NEXT: Offset:
  18 // CHECK-NEXT: Size: 8
  19 // CHECK-NEXT: Link: 0
  20 // CHECK-NEXT: Info: 0
  21 // CHECK-NEXT: AddressAlignment: 1
  22 // CHECK-NEXT: EntrySize: 1
  23 // CHECK-NEXT: SectionData (
  24 // CHECK-NEXT:   0000: 666F6F00 62617200                    |foo.bar.|
  25 // CHECK-NEXT: )
  26
  27 // GC:      Name: .rodata
  28 // GC-NEXT: Type: SHT_PROGBITS
  29 // GC-NEXT: Flags [
  30 // GC-NEXT:   SHF_ALLOC
  31 // GC-NEXT:   SHF_MERGE
  32 // GC-NEXT:   SHF_STRINGS
  33 // GC-NEXT: ]
  34 // GC-NEXT: Address:
  35 // GC-NEXT: Offset:
  36 // GC-NEXT: Size: 4
  37 // GC-NEXT: Link: 0
  38 // GC-NEXT: Info: 0
  39 // GC-NEXT: AddressAlignment: 1
  40 // GC-NEXT: EntrySize: 1
  41 // GC-NEXT: SectionData (
  42 // GC-NEXT:   0000: 666F6F00                                |foo.|
  43 // GC-NEXT: )
  44
  45         .section        .text.f,"ax",@progbits
  46         .globl  f
  47 f:
  48         leaq    .L.str(%rip), %rax
  49         retq
  50
  51         .section        .text.g,"ax",@progbits
  52         .hidden g
  53         .globl  g
  54 g:
  55         leaq    .L.str.1(%rip), %rax
  56         retq
  57
  58         .section        .rodata.str1.1,"aMS",@progbits,1
  59 .L.str:
  60         .asciz  "foo"
  61 .L.str.1:
  62         .asciz  "bar"