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Fix ABI on Win32.

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We can't simply use the C calling convention, as the D(MD)
ABI is callee-pop, and this is hardcoded in naked functions
with stack parameters.

The \1 "trick" is normally used to avoid prefixes added by
LLVM; on the 3.2 release, a patch is needed to make it work
for the @<n> stdcall suffixes as well.
This commit is contained in:
David Nadlinger 2013-02-20 19:39:01 +01:00
parent e05a5c6f22
commit 2d3de4a3d4
4 changed files with 65 additions and 28 deletions
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9
gen/module.cpp
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@ -74,15 +74,18 @@ static llvm::Function* build_module_function(const std::string &name, const std:
std::vector<LLType*> argsTy;
LLFunctionType* fnTy = LLFunctionType::get(LLType::getVoidTy(gIR->context()),argsTy,false);
assert(gIR->module->getFunction(name) == NULL);
llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module);
std::string const symbolName = gABI->mangleForLLVM(name, LINKd);
assert(gIR->module->getFunction(symbolName) == NULL);
llvm::Function* fn = llvm::Function::Create(fnTy,
llvm::GlobalValue::InternalLinkage, symbolName, gIR->module);
fn->setCallingConv(gABI->callingConv(LINKd));
llvm::BasicBlock* bb = llvm::BasicBlock::Create(gIR->context(), "entry", fn);
IRBuilder<> builder(bb);
// debug info
DtoDwarfSubProgramInternal(name.c_str(), name.c_str());
DtoDwarfSubProgramInternal(name.c_str(), symbolName.c_str());
// Call ctor's
typedef std::list<FuncDeclaration*>::const_iterator FuncIterator;