lld/test/ELF/got.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
   3 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o
   4 // RUN: ld.lld -shared %t2.o -soname=t2.so -o %t2.so
   5 // RUN: ld.lld --hash-style=sysv %t.o %t2.so -o %t
   6 // RUN: llvm-readobj -S -r %t | FileCheck %s
   7 // RUN: llvm-objdump --no-print-imm-hex -d %t | FileCheck --check-prefix=DISASM %s
   8
   9 // CHECK:      Name: .got
  10 // CHECK-NEXT: Type: SHT_PROGBITS
  11 // CHECK-NEXT: Flags [
  12 // CHECK-NEXT:   SHF_ALLOC
  13 // CHECK-NEXT:   SHF_WRITE
  14 // CHECK-NEXT: ]
  15 // CHECK-NEXT: Address: 0x202338
  16 // CHECK-NEXT: Offset:
  17 // CHECK-NEXT: Size: 16
  18 // CHECK-NEXT: Link: 0
  19 // CHECK-NEXT: Info: 0
  20 // CHECK-NEXT: AddressAlignment: 8
  21
  22 // CHECK:      Relocations [
  23 // CHECK-NEXT:   Section ({{.*}}) .rela.dyn {
  24 // CHECK-NEXT:     0x202338 R_X86_64_GLOB_DAT bar 0x0
  25 // CHECK-NEXT:     0x202340 R_X86_64_GLOB_DAT zed 0x0
  26 // CHECK-NEXT:   }
  27 // CHECK-NEXT: ]
  28
  29
  30 // Unfortunately FileCheck can't do math, so we have to check for explicit
  31 // values:
  32 //  0x202338 - (0x201270 + 2) - 4 = 4290
  33 //  0x202338 - (0x201276 + 2) - 4 = 4284
  34 //  0x202340 - (0x20127c + 2) - 4 = 4286
  35
  36 // DISASM:      <_start>:
  37 // DISASM-NEXT:  201270:  {{.*}}  jmpq  *4290(%rip)
  38 // DISASM-NEXT:  201276:  {{.*}}  jmpq  *4284(%rip)
  39 // DISASM-NEXT:  20127c:  {{.*}}  jmpq  *4286(%rip)
  40
  41 .global _start
  42 _start:
  43   jmp *bar@GOTPCREL(%rip)
  44   jmp *bar@GOTPCREL(%rip)
  45   jmp *zed@GOTPCREL(%rip)