lld/test/MachO/bundle-loader.s

   1 # REQUIRES: x86
   2
   3 # RUN: rm -rf %t; split-file %s %t
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/2.s -o %t/2.o
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/3.s -o %t/3.o
   6 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/main.s -o %t/main.o
   7
   8 # RUN: %lld -lSystem -dylib -install_name %t/my_lib.dylib -o %t/mylib.dylib %t/2.o
   9 # RUN: %lld -lSystem %t/2.o %t/main.o -o %t/main
  10 # RUN: %lld -lSystem -bundle -bundle_loader %t/main -o %t/bundle.bundle %t/3.o %t/mylib.dylib
  11 ## Check bundle.bundle to ensure the `my_func` symbol is from executable
  12 # RUN: llvm-nm -m %t/bundle.bundle | FileCheck %s --check-prefix BUNDLE
  13 # BUNDLE: (undefined) external my_func (from executable)
  14 # RUN: llvm-objdump  --macho --lazy-bind %t/bundle.bundle | FileCheck %s --check-prefix BUNDLE-OBJ
  15 # BUNDLE-OBJ: segment  section             address            dylib                 symbol
  16 # BUNDLE-OBJ: __DATA   __la_symbol_ptr     0x{{[0-9a-f]*}}    main-executable       my_fun
  17
  18 # RUN: %lld -lSystem -bundle -bundle_loader %t/main -o %t/bundle2.bundle %t/3.o %t/2.o
  19 ## Check bundle.bundle to ensure the `my_func` symbol is not from executable
  20 # RUN: llvm-nm -m %t/bundle2.bundle | FileCheck %s --check-prefix BUNDLE2
  21 # BUNDLE2: (__TEXT,__text) external my_func
  22
  23 # Test that bundle_loader can only be used with MachO bundle output.
  24 # RUN: not %lld -lSystem -bundle_loader %t/main -o %t/bundle3.bundle 2>&1 | FileCheck %s --check-prefix ERROR
  25 # ERROR: -bundle_loader can only be used with MachO bundle output
  26
  27 #--- 2.s
  28 # my_lib: This contains the exported function
  29 .globl my_func
  30 my_func:
  31   retq
  32
  33 #--- 3.s
  34 # my_user.s: This is the user/caller of the
  35 #            exported function
  36 .text
  37 my_user:
  38   callq my_func()
  39   retq
  40
  41 #--- main.s
  42 # main.s: dummy exec/main loads the exported function.
  43 # This is basically a way to say `my_user` should get
  44 # `my_func` from this executable.
  45 .globl _main
  46 .text
  47  _main:
  48   retq