llvm-project

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# REQUIRES: x86
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# RUN: llvm-mc -triple=i686-windows-gnu %s -filetype=obj -o %t.obj
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# RUN: lld-link -lldmingw -dll -out:%t.dll -entry:DllMainCRTStartup@12 %t.obj -implib:%t.lib
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# RUN: llvm-readobj --coff-exports %t.dll | grep Name: | FileCheck %s
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# RUN: llvm-readobj --coff-exports %t.dll | FileCheck %s --check-prefix=CHECK-RVA
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# RUN: llvm-readobj %t.lib | FileCheck -check-prefix=IMPLIB %s
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# CHECK:      Name:
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# CHECK-SAME:       comdatFunc
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# CHECK-NEXT: Name: dataSym
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# CHECK-NEXT: Name: foobar
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# CHECK-EMPTY:
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# CHECK-RVA: Name: comdatFunc
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# CHECK-RVA-NEXT: RVA: 0x1003
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# CHECK-RVA: Name: dataSym
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# CHECK-RVA-NEXT: RVA: 0x3000
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# CHECK-RVA: Name: foobar
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# CHECK-RVA-NEXT: RVA: 0x1001
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# IMPLIB: Symbol: __imp__comdatFunc
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# IMPLIB: Symbol: _comdatFunc
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# IMPLIB: Symbol: __imp__dataSym
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# IMPLIB-NOT: Symbol: _dataSym
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# IMPLIB: Symbol: __imp__foobar
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# IMPLIB: Symbol: _foobar
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.global _foobar
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.global _DllMainCRTStartup@12
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.global _dataSym
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.global _unexported
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.global __imp__unexported
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.global .refptr._foobar
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.global _comdatFunc
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.text
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_DllMainCRTStartup@12:
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  ret
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_foobar:
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  ret
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_unexported:
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  ret
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.section .text$_comdatFunc,"xr",one_only,_comdatFunc
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_comdatFunc:
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  ret
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.data
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_dataSym:
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  .int 4
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__imp__unexported:
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  .int _unexported
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.refptr._foobar:
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  .int _foobar
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# Test specifying -export-all-symbols, on an object file that contains
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# dllexport directive for some of the symbols.
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# RUN: yaml2obj %p/Inputs/export.yaml -o %t.obj
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#
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# RUN: lld-link -safeseh:no -out:%t.dll -dll %t.obj -lldmingw -export-all-symbols -output-def:%t.def
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# RUN: llvm-readobj --coff-exports %t.dll | FileCheck -check-prefix=CHECK2 %s
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# RUN: cat %t.def | FileCheck -check-prefix=CHECK2-DEF %s
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# RUN: lld-link -safeseh:no -out:%t.exe %t.obj -lldmingw -export-all-symbols -output-def:%t.def -entry:_DllMainCRTStartup
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# RUN: llvm-readobj --coff-exports %t.exe | FileCheck -check-prefix=CHECK2 %s
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# RUN: cat %t.def | FileCheck -check-prefix=CHECK2-DEF %s
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# Note, this will actually export _DllMainCRTStartup as well, since
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# it uses the standard spelling in this object file, not the MinGW one.
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# CHECK2: Name: exportfn1
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# CHECK2: Name: exportfn2
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# CHECK2: Name: exportfn3
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# CHECK2-DEF: EXPORTS
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# CHECK2-DEF: exportfn1 @3
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# CHECK2-DEF: exportfn2 @4
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# CHECK2-DEF: exportfn3 @5
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# Test ignoring certain object files and libs.
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# RUN: echo -e ".global foobar\n.global DllMainCRTStartup\n.text\nDllMainCRTStartup:\nret\nfoobar:\ncall mingwfunc\ncall crtfunc\nret\n" > %t.main.s
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# RUN: llvm-mc -triple=x86_64-windows-gnu %t.main.s -filetype=obj -o %t.main.obj
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# RUN: mkdir -p %T/libs
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# RUN: echo -e ".global mingwfunc\n.text\nmingwfunc:\nret\n" > %T/libs/mingwfunc.s
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# RUN: llvm-mc -triple=x86_64-windows-gnu %T/libs/mingwfunc.s -filetype=obj -o %T/libs/mingwfunc.o
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# RUN: rm -f %T/libs/libmingwex.a
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# RUN: llvm-ar rcs %T/libs/libmingwex.a %T/libs/mingwfunc.o
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# RUN: echo -e ".global crtfunc\n.text\ncrtfunc:\nret\n" > %T/libs/crtfunc.s
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# RUN: llvm-mc -triple=x86_64-windows-gnu %T/libs/crtfunc.s -filetype=obj -o %T/libs/crt2.o
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# 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
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# RUN: echo "EOF" >> %t.def
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# RUN: cat %t.def | FileCheck -check-prefix=CHECK-EXCLUDE %s
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# CHECK-EXCLUDE: EXPORTS
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# CHECK-EXCLUDE-NEXT: foobar @1
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# CHECK-EXCLUDE-NEXT: EOF
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# Test that libraries included with -wholearchive: are autoexported, even if
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# they are in a library that otherwise normally would be excluded.
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# 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
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# RUN: echo "EOF" >> %t.def
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# RUN: cat %t.def | FileCheck -check-prefix=CHECK-WHOLEARCHIVE %s
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# CHECK-WHOLEARCHIVE: EXPORTS
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# CHECK-WHOLEARCHIVE-NEXT: foobar @1
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# CHECK-WHOLEARCHIVE-NEXT: mingwfunc @2
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# CHECK-WHOLEARCHIVE-NEXT: EOF
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# Test that we handle import libraries together with -opt:noref.
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# RUN: yaml2obj %p/Inputs/hello32.yaml -o %t.obj
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# 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
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# RUN: echo "EOF" >> %t.def
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# RUN: cat %t.def | FileCheck -check-prefix=CHECK-IMPLIB %s
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# CHECK-IMPLIB: EXPORTS
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# CHECK-IMPLIB-NEXT: main@0 @1
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# CHECK-IMPLIB-NEXT: EOF
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