lld/test/ELF/shared-lazy.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t && split-file %s %t && cd %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o && ld.lld a.o -shared -o a.so
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64 b.s -o b.o && ld.lld b.o -shared -o b.so
   5 # RUN: llvm-ar rc a.a a.o
   6 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux ref.s -o ref.o
   7 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux ref2.s -o ref2.o
   8 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux weakref2.s -o weakref2.o
   9 # RUN: ld.lld a.a b.so ref.o -shared -o 1.so
  10 # RUN: llvm-readelf --dyn-syms 1.so | FileCheck %s
  11 # RUN: ld.lld a.so a.a ref.o -shared -o 1.so
  12 # RUN: llvm-readelf --dyn-syms 1.so | FileCheck %s
  13
  14 ## The definitions from a.so are used and we don't extract a member from the
  15 ## archive.
  16
  17 # CHECK:      0000000000000000     0 NOTYPE  GLOBAL DEFAULT UND x1
  18 # CHECK-NEXT: 0000000000000000     0 NOTYPE  GLOBAL DEFAULT UND x2
  19
  20 ## The extracted x1 is defined as STB_GLOBAL.
  21 # RUN: ld.lld ref.o a.a b.so -o 2.so -shared
  22 # RUN: llvm-readelf --dyn-symbols 2.so | FileCheck %s --check-prefix=CHECK2
  23 # RUN: ld.lld a.a ref.o b.so -o 2.so -shared
  24 # RUN: llvm-readelf --dyn-symbols 2.so | FileCheck %s --check-prefix=CHECK2
  25
  26 # CHECK2:      {{.*}}               0 NOTYPE  GLOBAL DEFAULT [[#]] x1
  27 # CHECK2-NEXT: {{.*}}               0 NOTYPE  WEAK   DEFAULT [[#]] x2
  28
  29 ## The extracted x2 is defined as STB_WEAK. x1 is not referenced by any relocatable object file.
  30 # RUN: ld.lld a.a ref2.o b.so -o 2.so -shared
  31 # RUN: llvm-readelf --dyn-syms 2.so | FileCheck %s --check-prefix=CHECK2
  32 # RUN: ld.lld a.a a.so ref2.o -o 3.so -shared
  33 # RUN: llvm-readelf --dyn-syms 3.so | FileCheck %s --check-prefix=CHECK3
  34 # RUN: ld.lld a.so a.a ref2.o -o 3.so -shared
  35 # RUN: llvm-readelf --dyn-syms 3.so | FileCheck %s --check-prefix=CHECK3
  36
  37 # CHECK3:       1: 0000000000000000     0 NOTYPE  GLOBAL DEFAULT UND x2
  38 # CHECK3-EMPTY:
  39
  40 # RUN: ld.lld a.a weakref2.o a.so -o 4.so -shared
  41 # RUN: llvm-readelf --dyn-syms 4.so | FileCheck %s --check-prefix=CHECK4
  42
  43 # CHECK4:       1: 0000000000000000     0 NOTYPE  WEAK   DEFAULT UND x2
  44 # CHECK4-EMPTY:
  45
  46 # RUN: ld.lld a.a --as-needed a.so -o noneeded.so -shared
  47 # RUN: llvm-readelf -d noneeded.so | FileCheck %s --check-prefix=NONEEDED
  48
  49 # NONEEDED-NOT: NEEDED
  50
  51 #--- a.s
  52 .global x1
  53 x1:
  54 .weak x2
  55 x2:
  56 #--- b.s
  57 .globl x1, x2
  58 x1:
  59 x2:
  60   .byte 0
  61 .size x1, .-x1
  62 .size x2, .-x2
  63 #--- ref.s
  64 .globl x1
  65 .globl x2
  66 #--- ref2.s
  67 .globl x2
  68 #--- weakref2.s
  69 .weak x2