lld/test/ELF/dynamic-list.s

   1 # REQUIRES: x86
   2
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/shared.s -o %t2.o
   4 # RUN: ld.lld --hash-style=sysv -shared %t2.o -soname shared -o %t2.so
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   6
   7 ## Check exporting only one symbol.
   8 # RUN: echo '{ foo1; };' > %t.list
   9 # RUN: ld.lld --dynamic-list %t.list %t.o %t2.so -o %t
  10 # RUN: llvm-nm -D %t | FileCheck %s --implicit-check-not=foo
  11
  12 ## And now using quoted strings (the output is the same since it does not
  13 ## use any wildcard character).
  14 # RUN: echo '{ "foo1"; };' > %t.list
  15 # RUN: ld.lld --dynamic-list %t.list %t.o %t2.so -o %t2
  16 # RUN: cmp %t %t2
  17
  18 ## And now using --export-dynamic-symbol.
  19 # RUN: ld.lld --export-dynamic-symbol foo1 %t.o %t2.so -o %t2
  20 # RUN: cmp %t %t2
  21 # RUN: ld.lld --export-dynamic-symbol=foo1 %t.o %t2.so -o %t2
  22 # RUN: cmp %t %t2
  23
  24 # CHECK: foo1
  25
  26 ## Now export all the foo1, foo2, and foo31 symbols
  27 # RUN: echo "{ foo1; foo2; foo31; };" > %t.list
  28 # RUN: ld.lld --dynamic-list %t.list %t.o %t2.so -o %t
  29 # RUN: llvm-nm -D %t | FileCheck --check-prefix=CHECK2 %s --implicit-check-not=foo
  30 # RUN: echo "{ foo1; foo2; };" > %t1.list
  31 # RUN: echo "{ foo31; };" > %t2.list
  32 # RUN: ld.lld --dynamic-list %t1.list --dynamic-list %t2.list %t.o %t2.so -o %t2
  33 # RUN: cmp %t %t2
  34
  35 # CHECK2:      foo1
  36 # CHECK2-NEXT: foo2
  37 # CHECK2-NEXT: foo31
  38
  39 ## --export-dynamic is similar to --dynamic-list with '{ * }'
  40 # RUN: echo "{ foo2; };" > %t.list
  41 # RUN: ld.lld --dynamic-list %t.list --export-dynamic %t.o %t2.so -o %t
  42 # RUN: llvm-nm -D %t | FileCheck --check-prefix=CHECK3 %s --implicit-check-not=foo
  43
  44 ## The same with --export-dynamic-symbol.
  45 # RUN: ld.lld --export-dynamic-symbol=foo2 --export-dynamic %t.o %t2.so -o %t2
  46 # RUN: cmp %t %t2
  47
  48 # CHECK3:      _start
  49 # CHECK3-NEXT: foo1
  50 # CHECK3-NEXT: foo2
  51 # CHECK3-NEXT: foo31
  52
  53 .globl _start, foo1, foo2, foo31
  54 foo1:
  55 foo2:
  56 foo31:
  57 _start: