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zig_llvm: Strip @<n> suffix from .def symbols on all targets.

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We have to do this because upstream MinGW-w64 now has symbols in lib-common/
which are unconditionally decorated with @<n>.
This commit is contained in:
Alex Rønne Petersen 2025-05-17 01:17:54 +02:00
parent 879bc2e5cb
commit 5e2b025f69
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1 changed files with 7 additions and 5 deletions
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12
src/zig_llvm.cpp
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@ -484,20 +484,22 @@ bool ZigLLVMWriteImportLibrary(const char *def_path, unsigned int coff_machine,
}
}
if (machine == COFF::IMAGE_FILE_MACHINE_I386 && kill_at) {
if (kill_at) {
for (object::COFFShortExport& E : def->Exports) {
if (!E.ImportName.empty() || (!E.Name.empty() && E.Name[0] == '?'))
continue;
E.SymbolName = E.Name;
if (machine == COFF::IMAGE_FILE_MACHINE_I386) {
// By making sure E.SymbolName != E.Name for decorated symbols,
// writeImportLibrary writes these symbols with the type
// IMPORT_NAME_UNDECORATE.
E.SymbolName = E.Name;
}
// Trim off the trailing decoration. Symbols will always have a
// starting prefix here (either _ for cdecl/stdcall, @ for fastcall
// or ? for C++ functions). Vectorcall functions won't have any
// fixed prefix, but the function base name will still be at least
// one char.
E.Name = E.Name.substr(0, E.Name.find('@', 1));
// By making sure E.SymbolName != E.Name for decorated symbols,
// writeImportLibrary writes these symbols with the type
// IMPORT_NAME_UNDECORATE.
}
}