lld/test/ELF/x86-64-tls-dynamic.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
   3 // RUN: ld.lld --hash-style=sysv -shared %t -o %tout
   4 // RUN: llvm-readobj --sections -r %tout | FileCheck %s
   5 // RUN: llvm-objdump --no-print-imm-hex -d %tout | FileCheck %s --check-prefix=DIS
   6
   7   leaq  a@tlsld(%rip), %rdi
   8   callq __tls_get_addr@PLT
   9   leaq  b@tlsld(%rip), %rdi
  10   callq __tls_get_addr@PLT
  11   leaq  a@dtpoff(%rax), %rcx
  12   leaq  b@dtpoff(%rax), %rcx
  13   .long b@dtpoff, 0
  14   leaq  c@tlsgd(%rip), %rdi
  15   rex64
  16   callq __tls_get_addr@PLT
  17   leaq  a@dtpoff(%rax), %rcx
  18   // Initial Exec Model Code Sequence, II
  19   movq c@gottpoff(%rip),%rax
  20   movq %fs:(%rax),%rax
  21   movabs $a@dtpoff, %rax
  22   movabs $b@dtpoff, %rax
  23   movabs $a@dtpoff, %rax
  24
  25   .global a
  26   .hidden a
  27   .section .tbss,"awT",@nobits
  28   .align 4
  29 a:
  30   .long 0
  31
  32   .section .tbss,"awT",@nobits
  33   .align 4
  34 b:
  35   .long 0
  36   .global c
  37   .section .tbss,"awT",@nobits
  38   .align 4
  39 c:
  40   .long 0
  41
  42 // Get the address of the got, and check that it has 4 entries.
  43
  44 // CHECK:      Sections [
  45 // CHECK:          Name: .got (
  46 // CHECK-NEXT:     Type: SHT_PROGBITS
  47 // CHECK-NEXT:     Flags [
  48 // CHECK-NEXT:       SHF_ALLOC
  49 // CHECK-NEXT:       SHF_WRITE
  50 // CHECK-NEXT:     ]
  51 // CHECK-NEXT:     Address: 0x24A0
  52 // CHECK-NEXT:     Offset:
  53 // CHECK-NEXT:     Size: 40
  54
  55 // CHECK:      Relocations [
  56 // CHECK:        Section ({{.+}}) .rela.dyn {
  57 // CHECK-NEXT:     0x24A0 R_X86_64_DTPMOD64 - 0x0
  58 // CHECK-NEXT:     0x24B0 R_X86_64_DTPMOD64 c 0x0
  59 // CHECK-NEXT:     0x24B8 R_X86_64_DTPOFF64 c 0x0
  60 // CHECK-NEXT:     0x24C0 R_X86_64_TPOFF64 c 0x0
  61 // CHECK-NEXT:   }
  62
  63 // 4457 = (0x24A0 + -4) - (0x1330 + 3) // PC relative offset to got entry.
  64 // 4445 = (0x24B0 + -4) - (0x133c + 3) // PC relative offset to got entry.
  65 // 4427 = (0x24B8 + -4) - (0x135e + 3) // PC relative offset to got entry.
  66 // 4423 = (0x24C0 + -4) - (0x1372 + 3) // PC relative offset to got entry.
  67
  68 // DIS:      Disassembly of section .text:
  69 // DIS-EMPTY:
  70 // DIS-NEXT: <.text>:
  71 // DIS-NEXT:     1330: {{.+}} leaq    4457(%rip), %rdi
  72 // DIS-NEXT:           {{.+}} callq
  73 // DIS-NEXT:     133c: {{.+}} leaq    4445(%rip), %rdi
  74 // DIS-NEXT:           {{.+}} callq
  75 // DIS-NEXT:           {{.+}} leaq    (%rax), %rcx
  76 // DIS-NEXT:           {{.+}} leaq    4(%rax), %rcx
  77 // DIS-NEXT:           04 00
  78 // DIS-NEXT:           00 00
  79 // DIS-NEXT:           00 00
  80 // DIS-NEXT:           00 00
  81 // DIS-NEXT:     135e: {{.+}} leaq    4427(%rip), %rdi
  82 // DIS-NEXT:           {{.+}} callq
  83 // DIS-NEXT:           {{.+}} leaq    (%rax), %rcx
  84 // DIS-NEXT:     1372: {{.+}} movq    4423(%rip), %rax
  85 // DIS-NEXT:           {{.+}} movq    %fs:(%rax), %rax
  86 // DIS-NEXT:           {{.+}} movabsq $0, %rax
  87 // DIS-NEXT:           {{.+}} movabsq $4, %rax
  88 // DIS-NEXT:           {{.+}} movabsq $0, %rax