[COFF] Add a testcase for dllexported symbols via embedded directives

This is in preparation for fixing PR35733.

Differential Revision: https://reviews.llvm.org/D41630

llvm-svn: 321790
This commit is contained in:
Martin Storsjo 2018-01-04 08:06:34 +00:00
parent 1f90cae80f
commit 398425ef7f
1 changed files with 60 additions and 0 deletions

60
lld/test/COFF/dllexport.s Normal file
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# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=i686-windows-msvc %s -o %t.obj
# RUN: lld-link -entry:dllmain -dll %t.obj -out:%t.dll -implib:%t.lib
# RUN: llvm-readobj %t.lib | FileCheck -check-prefix DECORATED-IMPLIB %s
# RUN: llvm-readobj -coff-exports %t.dll | FileCheck -check-prefix DECORATED-EXPORTS %s
# DECORATED-IMPLIB: Name type: name
# DECORATED-IMPLIB-NEXT: __imp_@fastcall@8
# DECORATED-IMPLIB-NEXT: @fastcall@8
# DECORATED-IMPLIB: Name type: noprefix
# DECORATED-IMPLIB-NEXT: __imp___underscored
# DECORATED-IMPLIB-NEXT: __underscored
# TODO: To match link.exe, this one should also be Name type: name.
# DECORATED-IMPLIB: Name type: noprefix
# DECORATED-IMPLIB-NEXT: __imp__stdcall@8
# DECORATED-IMPLIB-NEXT: _stdcall@8
# DECORATED-IMPLIB: Name type: name
# DECORATED-IMPLIB-NEXT: __imp_vectorcall@@8
# DECORATED-IMPLIB-NEXT: vectorcall@@8
# DECORATED-EXPORTS: Name: @fastcall@8
# DECORATED-EXPORTS: Name: _underscored
# TODO: To match link.exe, this one should actually be _stdcall@8
# DECORATED-EXPORTS: Name: stdcall@8
# DECORATED-EXPORTS: Name: vectorcall@@8
.def _stdcall@8;
.scl 2;
.type 32;
.endef
.globl _stdcall@8
.globl @fastcall@8
.globl vectorcall@@8
.globl __underscored
_stdcall@8:
movl 8(%esp), %eax
addl 4(%esp), %eax
retl $8
@fastcall@8:
movl 8(%esp), %eax
addl 4(%esp), %eax
retl $8
vectorcall@@8:
movl 8(%esp), %eax
addl 4(%esp), %eax
retl $8
__underscored:
ret
.def _dllmain;
.scl 2;
.type 32;
.endef
.globl _dllmain
_dllmain:
retl
.section .drectve
.ascii "-export:__underscored -export:_stdcall@8 -export:@fastcall@8 -export:vectorcall@@8"