lld/test/ELF/i386-linkonce.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t && split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=i386 %t/a.s -o %t/a.o
   4 # RUN: llvm-mc -filetype=obj -triple=i386 %t/crti.s -o %t/crti.o
   5 # RUN: llvm-mc -filetype=obj -triple=i386 %t/elf-init.s -o %t/elf-init.o
   6
   7 ## crti.o in i386 glibc<2.32 has .gnu.linkonce.t.__x86.get_pc_thunk.bx that is
   8 ## not fully supported. Test that we don't report
   9 ## "relocation refers to a symbol in a discarded section: __x86.get_pc_thunk.bx".
  10 # RUN: ld.lld %t/a.o %t/crti.o %t/elf-init.o -o /dev/null
  11 # RUN: ld.lld -shared %t/a.o %t/crti.o %t/elf-init.o -o /dev/null
  12
  13 #--- a.s
  14 .globl _start
  15 _start:
  16
  17 #--- crti.s
  18 .section .gnu.linkonce.t.__x86.get_pc_thunk.bx,"ax"
  19 .globl __x86.get_pc_thunk.bx
  20 .hidden __x86.get_pc_thunk.bx
  21 __x86.get_pc_thunk.bx:
  22   movl (%esp),%ebx
  23   ret
  24
  25 #--- elf-init.s
  26 .globl __libc_csu_init
  27 __libc_csu_init:
  28   call __x86.get_pc_thunk.bx
  29
  30 .section .text.__x86.get_pc_thunk.bx,"axG",@progbits,__x86.get_pc_thunk.bx,comdat
  31 .globl __x86.get_pc_thunk.bx
  32 .hidden __x86.get_pc_thunk.bx
  33 __x86.get_pc_thunk.bx:
  34   movl (%esp),%ebx
  35   ret