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8 Commits

Author SHA1 Message Date
Martin Storsjo 0010707e1c [COFF] Don't export symbols that have corresponding __imp_ symbols 
GNU ld has got an exception for such symbols, and mingw-w64
occasionally uses that exception to avoid exporting symbols in cases
where they otherwise aren't caught by the other exclusion mechanisms.

Differential Revision: https://reviews.llvm.org/D40553

llvm-svn: 319291
 2017-11-29 05:50:49 +00:00
Rui Ueyama 66384b391e Return early. NFC. 
llvm-svn: 318826
 2017-11-22 09:06:42 +00:00
Rui Ueyama c121401ca5 Add more blank lines to separate code chunks. 
llvm-svn: 318825
 2017-11-22 09:06:27 +00:00
Martin Storsjo fe3eda9137 [COFF] Improve the autoexport check for symbols from import libraries with -opt:noref 
If -opt:noref is specified, they can end up with isLive() == 1
when the autoexport check is run.

To reduce the risk of potential issues, only consider exporting
DefinedRegular and DefinedCommon, nothing else.

Differential Revision: https://reviews.llvm.org/D40014

llvm-svn: 318384
 2017-11-16 07:22:44 +00:00
Martin Storsjo 6bde1667ba [MinGW] Don't autoexport anything from libmsvcrt or libucrtbase 
These libraries contain a number of object files with compat wrappers,
in addition to the normal import library entries.

Differential Revision: https://reviews.llvm.org/D39684

llvm-svn: 317505
 2017-11-06 20:33:13 +00:00
Bob Haarman b8a59c8aa5 [lld] unified COFF and ELF error handling on new Common/ErrorHandler 
Summary:
The COFF linker and the ELF linker have long had similar but separate
Error.h and Error.cpp files to implement error handling. This change
introduces new error handling code in Common/ErrorHandler.h, changes the
COFF and ELF linkers to use it, and removes the old, separate
implementations.

Reviewers: ruiu

Reviewed By: ruiu

Subscribers: smeenai, jyknight, emaste, sdardis, nemanjai, nhaehnle, mgorny, javed.absar, kbarton, fedor.sergeev, llvm-commits

Differential Revision: https://reviews.llvm.org/D39259

llvm-svn: 316624
 2017-10-25 22:28:38 +00:00
Martin Storsjo 32fefef7fc [MinGW] Omit libc++/libc++abi/libunwind from autoexporting 
Differential Revision: https://reviews.llvm.org/D39167

llvm-svn: 316318
 2017-10-23 09:08:28 +00:00
Martin Storsjo e1f894d59e [COFF] Move MinGW specific functions/classes to a separate file. NFC. 
Differential Revision: https://reviews.llvm.org/D39067

llvm-svn: 316178
 2017-10-19 19:49:38 +00:00