lld/test/ELF/map-file-copy.s

   1 # REQUIRES: x86
   2
   3 # RUN: split-file %s %t
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64 %t/1.s -o %t/1.o
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64 %t/2.s -o %t/2.o
   6 # RUN: llvm-mc -filetype=obj -triple=x86_64 %t/3.s -o %t/3.o
   7 # RUN: ld.lld -shared -soname=3 --version-script=%t/3.ver %t/3.o -o %t/3.so
   8 # RUN: ld.lld -Map=%t/1.map %t/1.o %t/2.o %t/3.so -o %t/1
   9 # RUN: FileCheck %s --input-file=%t/1.map
  10
  11 ## Both TUs reference func/copy which need a canonical PLT entry/copy relocation.
  12 ## Test we print func/copy just once.
  13 # CHECK:      {{ }}.plt
  14 # CHECK-NEXT:         <internal>:(.plt)
  15 # CHECK-NEXT:                 func@v1{{$}}
  16 # CHECK-NEXT: .dynamic
  17
  18 # CHECK:      .bss.rel.ro
  19 # CHECK-NEXT:         <internal>:(.bss.rel.ro)
  20 ## Ideally this is displayed as copy@v2.
  21 # CHECK-NEXT:                 copy{{$}}
  22 # CHECK-NEXT: .got.plt
  23
  24 #--- 1.s
  25 .global _start
  26 _start:
  27 .symver func, func@@@v1
  28   mov $copy, %eax
  29   mov $func - ., %eax
  30
  31 #--- 2.s
  32 .symver func, func@@@v1
  33   mov $copy, %eax
  34   mov $func - ., %eax
  35
  36 #--- 3.s
  37 .globl func
  38 .symver func, func@v1, remove
  39 .type func, @function
  40 func:
  41   ret
  42
  43 .section .rodata,"a"
  44 .globl copy
  45 .type copy, @object
  46 copy:
  47 .byte 1
  48 .size copy, 1
  49
  50 #--- 3.ver
  51 v1 { func; };
  52 v2 { copy; };