lld/test/ELF/aarch64-tlsdesc-zrel.s

   1 /// Check that we write addends for AArch64 TLSDESC relocations with -z rel
   2 /// See https://bugs.llvm.org/show_bug.cgi?id=47009
   3 // REQUIRES: aarch64
   4 // RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o
   5 // RUN: ld.lld -shared %t.o -o %t-rela.so
   6 // RUN: llvm-readobj -W -r -x .got %t-rela.so | FileCheck %s --check-prefixes=RELA,RELA-NO-ADDENDS
   7 // RUN: ld.lld -shared %t.o -o %t-rela-addends.so --apply-dynamic-relocs
   8 // RUN: llvm-readobj -W -r -x .got %t-rela-addends.so | FileCheck %s --check-prefixes=RELA,RELA-WITH-ADDENDS
   9
  10 // RELA:       Relocations [
  11 // RELA-NEXT:   Section (5) .rela.dyn {
  12 // RELA-NEXT:     0x[[#%x,ADDR:]] R_AARCH64_TLSDESC - 0x0
  13 // RELA-NEXT:     0x[[#ADDR+16]]  R_AARCH64_TLSDESC - 0x4
  14 // RELA-NEXT:   }
  15 // RELA-NEXT: ]
  16 // RELA-NEXT:              Hex dump of section '.got':
  17 // RELA-NEXT:              0x000[[#ADDR]]    00000000 00000000 00000000 00000000
  18 // RELA-NO-ADDENDS-NEXT:   0x000[[#ADDR+16]] 00000000 00000000 00000000 00000000
  19 // RELA-WITH-ADDENDS-NEXT: 0x000[[#ADDR+16]] 00000000 00000000 04000000 00000000
  20 ///                Addend 0x4 for R_AARCH64_TLSDESC -----^
  21 // RELA-EMPTY:
  22
  23 // RUN: ld.lld -shared %t.o -o %t-rel.so -z rel
  24 // RUN: llvm-readobj -W -r -x .got %t-rel.so | FileCheck %s --check-prefix=REL
  25 // REL:       Relocations [
  26 // REL-NEXT:   Section (5) .rel.dyn {
  27 // REL-NEXT:     0x[[#%x,ADDR:]] R_AARCH64_TLSDESC -{{$}}
  28 // REL-NEXT:     0x[[#ADDR+16]]  R_AARCH64_TLSDESC -{{$}}
  29 // REL-NEXT:   }
  30 // REL-NEXT: ]
  31 // REL-NEXT: Hex dump of section '.got':
  32 // REL-NEXT: 0x000[[#ADDR]]    00000000 00000000 00000000 00000000
  33 // REL-NEXT: 0x000[[#ADDR+16]] 00000000 00000000 04000000 00000000
  34 ///  Addend 0x4 for R_AARCH64_TLSDESC -----^
  35 // REL-EMPTY:
  36
  37         .text
  38 foo:
  39         adrp    x0, :tlsdesc:x
  40         ldr     x1, [x0, :tlsdesc_lo12:x]
  41         add     x0, x0, :tlsdesc_lo12:x
  42         .tlsdesccall x
  43         blr     x1
  44         adrp    x0, :tlsdesc:y
  45         ldr     x1, [x0, :tlsdesc_lo12:y]
  46         add     x0, x0, :tlsdesc_lo12:y
  47         .tlsdesccall y
  48         blr     x1
  49         ret
  50
  51         .section        .tbss,"awT",@nobits
  52         .p2align        2
  53         .hidden x
  54 x:
  55         .word   0
  56
  57         .p2align        2
  58         .hidden y
  59 y:
  60         .word   0