lld/test/ELF/debug-dead-reloc-tls.s

   1 # REQUIRES: x86
   2 ## Test we resolve relocations referencing TLS symbols in .debug_* sections to
   3 ## a tombstone value if the referenced TLS symbol is discarded.
   4
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   6 # RUN: ld.lld --gc-sections %t.o -o %t
   7 # RUN: llvm-objdump -s %t | FileCheck %s
   8
   9 # CHECK:      Contents of section .debug_info:
  10 # CHECK-NEXT:  0000 00000000 00000000 00000000 00000000
  11 # CHECK-NEXT:  0010 00000000 ffffffff
  12
  13 .globl _start
  14 _start:
  15   ret
  16
  17 .section .tbss,"awT",@nobits
  18 .globl global
  19 local:
  20 global:
  21   .quad 0
  22
  23 .section .debug_info
  24 ## On ppc64, .quad local@dtprel+0x8000 (st_value 0 is supposed to point to
  25 ## 0x8000 bytes past the start of ## the dynamic TLS vector. References usually
  26 ## have an addend of 0x8000). MIPS is similar. RISC-V uses 0x800.
  27   .quad local@dtpoff+0x8000
  28   .quad global@dtpoff+0x8000
  29
  30 ## Many other architectures don't use an offset. GCC x86-64 uses a 32-bit value.
  31   .long global@dtpoff
  32   .long -1