lld/test/ELF/relro-script.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t.o
   3 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/copy-in-shared.s -o %t2.o
   4 // RUN: ld.lld -shared %t.o %t2.o -o %t.so
   5
   6 // ld.bfd and gold use .data.rel.ro rather than .bss.rel.ro. When a linker
   7 // script, such as ld.bfd's internal linker script has a .data.rel.ro
   8 // OutputSection we rename .bss.rel.ro to .data.rel.ro.bss in order to match in
   9 // .data.rel.ro. This keeps the relro sections contiguous.
  10
  11 // Use the same sections and ordering as the ld.bfd internal linker script.
  12 // RUN: echo "SECTIONS { \
  13 // RUN: .data.rel.ro : { *(.data.rel.ro .data.rel.ro.*) } \
  14 // RUN: .dynamic : { *(.dynamic) } \
  15 // RUN: .got : { *(.got) } \
  16 // RUN: .got.plt : { *(.got.plt) } \
  17 // RUN: } " > %t.script
  18 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t3.o
  19 // RUN: ld.lld %t3.o %t.so -o /dev/null --script=%t.script --print-map | FileCheck %s
  20
  21 // CHECK: .data.rel.ro
  22 // CHECK-NEXT: <internal>:(.bss.rel.ro)
  23         .section .text, "ax", @progbits
  24         .global _start
  25         .global bar
  26         .global foo
  27 _start:
  28         .quad bar
  29         .quad foo