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r310991 | mstorsjo | 2017-08-15 22:22:49 -0700 (Tue, 15 Aug 2017) | 13 lines
[COFF] Make the weak aliases optional
When creating an import library from lld, the cases with
Name != ExtName shouldn't end up as a weak alias, but as a real
export of the new name, which is what actually is exported from
the DLL.
This restores the behaviour of renamed exports to what it was in
4.0.
The other half of this commit, including test, goes into lld.
Differential Revision: https://reviews.llvm.org/D36633
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r310988 | mstorsjo | 2017-08-15 22:13:16 -0700 (Tue, 15 Aug 2017) | 8 lines
[COFF] Add SymbolName as a distinct field in COFFImportFile
The previous Name and ExtName aren't enough to convey all the nuances
between weak aliases and stdcall decorated function names.
A test for this will be added in LLD.
Differential Revision: https://reviews.llvm.org/D36544
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r309555 | mstorsjo | 2017-07-31 04:18:41 -0700 (Mon, 31 Jul 2017) | 10 lines
[llvm-dlltool] Write correct weak externals
Previously, the created object files for the import library were broken.
Write the symbol table before the string table. Simplify the code by
using a separate variable Prefix instead of duplicating a few lines.
Also update the coff-weak-exports to actually check that the generated
weak symbols can be found as intended.
Differential Revision: https://reviews.llvm.org/D36065
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When I originally wrote this code, I neglected the fact that the import
library may be created for executables. This name is not the name of
the DLL, but rather the name for the imported module. It will be
embedded into the IAT/ILT reference. Rename it to make it more obvious.
NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@308384 91177308-0d34-0410-b5e6-96231b3b80d8
A PE COFF spec compliant import library generator.
Intended to be used with mingw-w64.
Supports:
PE COFF spec (section 8, Import Library Format)
PE COFF spec (Aux Format 3: Weak Externals)
Reviewed By: ruiu
Differential Revision: https://reviews.llvm.org/D29892
This reapplies rL308329, which was reverted in rL308374
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@308379 91177308-0d34-0410-b5e6-96231b3b80d8
A PE COFF spec compliant import library generator.
Intended to be used with mingw-w64.
Supports:
PE COFF spec (section 8, Import Library Format)
PE COFF spec (Aux Format 3: Weak Externals)
Reviewed By: ruiu
Differential Revision: https://reviews.llvm.org/D29892
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@308329 91177308-0d34-0410-b5e6-96231b3b80d8
No need in reinterpret_cast<StringTableOffset &> here, as struct coff_symbol Name is a unin
with the member StringTableOffset Offset. This union member could be accessed directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305029 91177308-0d34-0410-b5e6-96231b3b80d8
This reverts commit r304561 and re-lands r303490 & co.
The fix was to use "SymbolName" when translating LLD's internal export
list to lib/Object's short export struct. The SymbolName reflects the
actual symbol name, which may include fastcall and stdcall mangling bits
not included in the /EXPORT or .def file EXPORTS name:
@@ -434,8 +434,7 @@ std::vector<COFFShortExport> createCOFFShortExportFromConfig() {
std::vector<COFFShortExport> Exports;
for (Export &E1 : Config->Exports) {
COFFShortExport E2;
- E2.Name = E1.Name;
+ // Use SymbolName, which will have any stdcall or fastcall qualifiers.
+ E2.Name = E1.SymbolName;
E2.ExtName = E1.ExtName;
E2.Ordinal = E1.Ordinal;
E2.Noname = E1.Noname;
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304573 91177308-0d34-0410-b5e6-96231b3b80d8
This reverts commits r303490, r303491, r303493, and r303494.
This caused http://crbug.com/728726. Essentially, exporting stdcall
functions doesn't appear to work after this change. Reduced test case
soon.
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