lld/test/ELF/tls.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
   3 // RUN: ld.lld %t -o %tout
   4 // RUN: llvm-readobj -S -l --symbols %tout | FileCheck %s
   5 // RUN: llvm-objdump --no-print-imm-hex -d %tout | FileCheck %s --check-prefix=DIS
   6
   7 /// Reject local-exec TLS relocations for -shared, regardless of the preemptibility.
   8 // RUN: not ld.lld -shared %t -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR
   9 // RUN: not ld.lld -shared -Bsymbolic %t -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR
  10
  11 // ERR:       error: relocation R_X86_64_TPOFF32 against a cannot be used with -shared
  12 // ERR-NEXT:  defined in {{.*}}
  13 // ERR-NEXT:  referenced by {{.*}}:(.text+0x4)
  14 // ERR-EMPTY:
  15 // ERR-NEXT:  error: relocation R_X86_64_TPOFF32 against b cannot be used with -shared
  16 // ERR-NEXT:  defined in {{.*}}
  17 // ERR-NEXT:  referenced by {{.*}}:(.text+0xC)
  18 // ERR-EMPTY:
  19 // ERR-NEXT:  error: relocation R_X86_64_TPOFF32 against c cannot be used with -shared
  20 // ERR-NEXT:  defined in {{.*}}
  21 // ERR-NEXT:  referenced by {{.*}}:(.text+0x14)
  22 // ERR-EMPTY:
  23 // ERR-NEXT:  error: relocation R_X86_64_TPOFF32 against d cannot be used with -shared
  24 // ERR-NEXT:  defined in {{.*}}
  25 // ERR-NEXT:  referenced by {{.*}}:(.text+0x1C)
  26
  27 .global _start
  28 _start:
  29   movl %fs:a@tpoff, %eax
  30   movl %fs:b@tpoff, %eax
  31   movl %fs:c@tpoff, %eax
  32   movl %fs:d@tpoff, %eax
  33
  34   .global a
  35         .section        .tbss,"awT",@nobits
  36 a:
  37         .long   0
  38
  39   .global b
  40         .section        .tdata,"awT",@progbits
  41 b:
  42         .long   1
  43
  44   .global c
  45         .section        .thread_bss,"awT",@nobits
  46 c:
  47         .long   0
  48
  49   .global d
  50         .section        .thread_data,"awT",@progbits
  51 d:
  52         .long   2
  53
  54 // CHECK:          Name: .tdata
  55 // CHECK-NEXT:     Type: SHT_PROGBITS
  56 // CHECK-NEXT:     Flags [
  57 // CHECK-NEXT:       SHF_ALLOC
  58 // CHECK-NEXT:       SHF_TLS
  59 // CHECK-NEXT:       SHF_WRITE
  60 // CHECK-NEXT:     ]
  61 // CHECK-NEXT:     Address: [[TDATA_ADDR:0x.*]]
  62 // CHECK-NEXT:     Offset:
  63 // CHECK-NEXT:     Size: 4
  64 // CHECK-NEXT:     Link:
  65 // CHECK-NEXT:     Info:
  66 // CHECK-NEXT:     AddressAlignment:
  67 // CHECK-NEXT:     EntrySize:
  68 // CHECK-NEXT:   }
  69 // CHECK-NEXT:   Section {
  70 // CHECK-NEXT:     Index:
  71 // CHECK-NEXT:     Name: .thread_data
  72 // CHECK-NEXT:     Type: SHT_PROGBITS
  73 // CHECK-NEXT:     Flags [
  74 // CHECK-NEXT:       SHF_ALLOC
  75 // CHECK-NEXT:       SHF_TLS
  76 // CHECK-NEXT:       SHF_WRITE
  77 // CHECK-NEXT:     ]
  78 // CHECK-NEXT:     Address:
  79 // CHECK-NEXT:     Offset:
  80 // CHECK-NEXT:     Size: 4
  81 // CHECK-NEXT:     Link:
  82 // CHECK-NEXT:     Info:
  83 // CHECK-NEXT:     AddressAlignment:
  84 // CHECK-NEXT:     EntrySize:
  85 // CHECK-NEXT:   }
  86 // CHECK-NEXT:   Section {
  87 // CHECK-NEXT:     Index:
  88 // CHECK-NEXT:     Name: .tbss
  89 // CHECK-NEXT:     Type: SHT_NOBITS
  90 // CHECK-NEXT:     Flags [
  91 // CHECK-NEXT:       SHF_ALLOC
  92 // CHECK-NEXT:       SHF_TLS
  93 // CHECK-NEXT:       SHF_WRITE
  94 // CHECK-NEXT:     ]
  95 // CHECK-NEXT:     Address: [[TBSS_ADDR:0x.*]]
  96 // CHECK-NEXT:     Offset:
  97 // CHECK-NEXT:     Size: 4
  98 // CHECK-NEXT:     Link:
  99 // CHECK-NEXT:     Info:
 100 // CHECK-NEXT:     AddressAlignment:
 101 // CHECK-NEXT:     EntrySize:
 102 // CHECK-NEXT:   }
 103 // CHECK-NEXT:   Section {
 104 // CHECK-NEXT:     Index:
 105 // CHECK-NEXT:     Name: .thread_bss
 106 // CHECK-NEXT:     Type: SHT_NOBITS
 107 // CHECK-NEXT:     Flags [
 108 // CHECK-NEXT:       SHF_ALLOC
 109 // CHECK-NEXT:       SHF_TLS
 110 // CHECK-NEXT:       SHF_WRITE
 111 // CHECK-NEXT:     ]
 112
 113 // 0x2021F4 = TBSS_ADDR + 4
 114
 115 // CHECK-NEXT:     Address: 0x2021F4
 116 // CHECK-NEXT:     Offset:
 117 // CHECK-NEXT:     Size: 4
 118 // CHECK-NEXT:     Link:
 119 // CHECK-NEXT:     Info:
 120 // CHECK-NEXT:     AddressAlignment:
 121 // CHECK-NEXT:     EntrySize:
 122 // CHECK-NEXT:   }
 123
 124 // CHECK:      ProgramHeaders [
 125 // CHECK:          Type: PT_LOAD
 126 // CHECK:          Type: PT_LOAD
 127 // CHECK:          Type: PT_LOAD
 128 // CHECK:          FileSize: 8
 129 // CHECK-NEXT:     MemSize: [[#]]
 130 // CHECK-NEXT:     Flags [
 131 // CHECK-NEXT:       PF_R
 132 // CHECK-NEXT:       PF_W
 133 // CHECK-NEXT:     ]
 134 // CHECK:          Type: PT_TLS
 135 // CHECK-NEXT:     Offset:
 136 // CHECK-NEXT:     VirtualAddress: [[TDATA_ADDR]]
 137 // CHECK-NEXT:     PhysicalAddress: [[TDATA_ADDR]]
 138 // CHECK-NEXT:     FileSize: 8
 139 // CHECK-NEXT:     MemSize: 16
 140 // CHECK-NEXT:     Flags [
 141 // CHECK-NEXT:       PF_R
 142 // CHECK-NEXT:     ]
 143 // CHECK-NEXT:     Alignment:
 144 // CHECK-NEXT:   }
 145
 146 // CHECK:      Symbols [
 147 // CHECK:          Name: a
 148 // CHECK-NEXT:     Value: 0x8
 149 // CHECK-NEXT:     Size:
 150 // CHECK-NEXT:     Binding: Global
 151 // CHECK-NEXT:     Type: TLS
 152 // CHECK-NEXT:     Other: 0
 153 // CHECK-NEXT:     Section: .tbss
 154 // CHECK-NEXT:   }
 155 // CHECK-NEXT:   Symbol {
 156 // CHECK-NEXT:     Name: b
 157 // CHECK-NEXT:     Value: 0x0
 158 // CHECK-NEXT:     Size:
 159 // CHECK-NEXT:     Binding: Global
 160 // CHECK-NEXT:     Type: TLS
 161 // CHECK-NEXT:     Other: 0
 162 // CHECK-NEXT:     Section: .tdata
 163 // CHECK-NEXT:   }
 164 // CHECK-NEXT:   Symbol {
 165 // CHECK-NEXT:     Name: c
 166 // CHECK-NEXT:     Value: 0xC
 167 // CHECK-NEXT:     Size:
 168 // CHECK-NEXT:     Binding: Global
 169 // CHECK-NEXT:     Type: TLS
 170 // CHECK-NEXT:     Other: 0
 171 // CHECK-NEXT:     Section: .thread_bss
 172 // CHECK-NEXT:   }
 173 // CHECK-NEXT:   Symbol {
 174 // CHECK-NEXT:     Name: d
 175 // CHECK-NEXT:     Value: 0x4
 176 // CHECK-NEXT:     Size:
 177 // CHECK-NEXT:     Binding: Global
 178 // CHECK-NEXT:     Type: TLS
 179 // CHECK-NEXT:     Other: 0
 180 // CHECK-NEXT:     Section: .thread_data
 181 // CHECK-NEXT:   }
 182
 183 // DIS:      Disassembly of section .text:
 184 // DIS-EMPTY:
 185 // DIS-NEXT: <_start>:
 186 // DIS-NEXT:   movl    %fs:-8, %eax
 187 // DIS-NEXT:   movl    %fs:-16, %eax
 188 // DIS-NEXT:   movl    %fs:-4, %eax
 189 // DIS-NEXT:   movl    %fs:-12, %eax