lld/test/COFF/export-all.s

   1 # REQUIRES: x86
   2
   3 # RUN: llvm-mc -triple=i686-windows-gnu %s -filetype=obj -o %t.obj
   4
   5 # RUN: lld-link -lldmingw -dll -out:%t.dll -entry:DllMainCRTStartup@12 %t.obj -implib:%t.lib
   6 # RUN: llvm-readobj --coff-exports %t.dll | grep Name: | FileCheck %s
   7 # RUN: llvm-readobj --coff-exports %t.dll | FileCheck %s --check-prefix=CHECK-RVA
   8 # RUN: llvm-readobj %t.lib | FileCheck -check-prefix=IMPLIB %s
   9
  10 # CHECK:      Name:
  11 # CHECK-SAME:       comdatFunc
  12 # CHECK-NEXT: Name: dataSym
  13 # CHECK-NEXT: Name: foobar
  14 # CHECK-EMPTY:
  15
  16 # CHECK-RVA: Name: comdatFunc
  17 # CHECK-RVA-NEXT: RVA: 0x1003
  18 # CHECK-RVA: Name: dataSym
  19 # CHECK-RVA-NEXT: RVA: 0x3000
  20 # CHECK-RVA: Name: foobar
  21 # CHECK-RVA-NEXT: RVA: 0x1001
  22
  23 # IMPLIB: Symbol: __imp__comdatFunc
  24 # IMPLIB: Symbol: _comdatFunc
  25 # IMPLIB: Symbol: __imp__dataSym
  26 # IMPLIB-NOT: Symbol: _dataSym
  27 # IMPLIB: Symbol: __imp__foobar
  28 # IMPLIB: Symbol: _foobar
  29
  30 .global _foobar
  31 .global _DllMainCRTStartup@12
  32 .global _dataSym
  33 .global _unexported
  34 .global __imp__unexported
  35 .global .refptr._foobar
  36 .global _comdatFunc
  37 .text
  38 _DllMainCRTStartup@12:
  39   ret
  40 _foobar:
  41   ret
  42 _unexported:
  43   ret
  44 .section .text$_comdatFunc,"xr",one_only,_comdatFunc
  45 _comdatFunc:
  46   ret
  47 .data
  48 _dataSym:
  49   .int 4
  50 __imp__unexported:
  51   .int _unexported
  52 .refptr._foobar:
  53   .int _foobar
  54
  55 # Test specifying -export-all-symbols, on an object file that contains
  56 # dllexport directive for some of the symbols.
  57
  58 # RUN: yaml2obj %p/Inputs/export.yaml -o %t.obj
  59 #
  60 # RUN: lld-link -safeseh:no -out:%t.dll -dll %t.obj -lldmingw -export-all-symbols -output-def:%t.def
  61 # RUN: llvm-readobj --coff-exports %t.dll | FileCheck -check-prefix=CHECK2 %s
  62 # RUN: cat %t.def | FileCheck -check-prefix=CHECK2-DEF %s
  63
  64 # RUN: lld-link -safeseh:no -out:%t.exe %t.obj -lldmingw -export-all-symbols -output-def:%t.def -entry:_DllMainCRTStartup
  65 # RUN: llvm-readobj --coff-exports %t.exe | FileCheck -check-prefix=CHECK2 %s
  66 # RUN: cat %t.def | FileCheck -check-prefix=CHECK2-DEF %s
  67
  68 # Note, this will actually export _DllMainCRTStartup as well, since
  69 # it uses the standard spelling in this object file, not the MinGW one.
  70
  71 # CHECK2: Name: exportfn1
  72 # CHECK2: Name: exportfn2
  73 # CHECK2: Name: exportfn3
  74
  75 # CHECK2-DEF: EXPORTS
  76 # CHECK2-DEF: exportfn1 @3
  77 # CHECK2-DEF: exportfn2 @4
  78 # CHECK2-DEF: exportfn3 @5
  79
  80 # Test ignoring certain object files and libs.
  81
  82 # RUN: echo -e ".global foobar\n.global DllMainCRTStartup\n.text\nDllMainCRTStartup:\nret\nfoobar:\ncall mingwfunc\ncall crtfunc\nret\n" > %t.main.s
  83 # RUN: llvm-mc -triple=x86_64-windows-gnu %t.main.s -filetype=obj -o %t.main.obj
  84 # RUN: mkdir -p %T/libs
  85 # RUN: echo -e ".global mingwfunc\n.text\nmingwfunc:\nret\n" > %T/libs/mingwfunc.s
  86 # RUN: llvm-mc -triple=x86_64-windows-gnu %T/libs/mingwfunc.s -filetype=obj -o %T/libs/mingwfunc.o
  87 # RUN: rm -f %T/libs/libmingwex.a
  88 # RUN: llvm-ar rcs %T/libs/libmingwex.a %T/libs/mingwfunc.o
  89 # RUN: echo -e ".global crtfunc\n.text\ncrtfunc:\nret\n" > %T/libs/crtfunc.s
  90 # RUN: llvm-mc -triple=x86_64-windows-gnu %T/libs/crtfunc.s -filetype=obj -o %T/libs/crt2.o
  91 # RUN: lld-link -safeseh:no -out:%t.dll -dll -entry:DllMainCRTStartup %t.main.obj -lldmingw %T/libs/crt2.o %T/libs/libmingwex.a -output-def:%t.def
  92 # RUN: echo "EOF" >> %t.def
  93 # RUN: cat %t.def | FileCheck -check-prefix=CHECK-EXCLUDE %s
  94
  95 # CHECK-EXCLUDE: EXPORTS
  96 # CHECK-EXCLUDE-NEXT: foobar @1
  97 # CHECK-EXCLUDE-NEXT: EOF
  98
  99 # Test that libraries included with -wholearchive: are autoexported, even if
 100 # they are in a library that otherwise normally would be excluded.
 101
 102 # RUN: lld-link -safeseh:no -out:%t.dll -dll -entry:DllMainCRTStartup %t.main.obj -lldmingw %T/libs/crt2.o -wholearchive:%T/libs/libmingwex.a -output-def:%t.def
 103 # RUN: echo "EOF" >> %t.def
 104 # RUN: cat %t.def | FileCheck -check-prefix=CHECK-WHOLEARCHIVE %s
 105
 106 # CHECK-WHOLEARCHIVE: EXPORTS
 107 # CHECK-WHOLEARCHIVE-NEXT: foobar @1
 108 # CHECK-WHOLEARCHIVE-NEXT: mingwfunc @2
 109 # CHECK-WHOLEARCHIVE-NEXT: EOF
 110
 111 # Test that we handle import libraries together with -opt:noref.
 112
 113 # RUN: yaml2obj %p/Inputs/hello32.yaml -o %t.obj
 114 # RUN: lld-link -lldmingw -dll -out:%t.dll -entry:main@0 %t.obj -implib:%t.lib -opt:noref %p/Inputs/std32.lib -output-def:%t.def
 115 # RUN: echo "EOF" >> %t.def
 116 # RUN: cat %t.def | FileCheck -check-prefix=CHECK-IMPLIB %s
 117
 118 # CHECK-IMPLIB: EXPORTS
 119 # CHECK-IMPLIB-NEXT: main@0 @1
 120 # CHECK-IMPLIB-NEXT: EOF