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Implement new ModuleInfo discovery/druntime startup scheme on Linux.

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This is the same implementation that is used for DMD and
supports shared libraries (not yet tested).
This commit is contained in:
David Nadlinger
2013-10-21 05:02:52 +02:00
committed by Kai Nacke
parent 82c202bb60
commit d9b137bb45
3 changed files with 200 additions and 7 deletions
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24
gen/runtime.cpp
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@@ -191,6 +191,7 @@ static void LLVM_D_BuildRuntimeModule()
LLType* classInfoTy = DtoType(Type::typeinfoclass->type);
LLType* typeInfoTy = DtoType(Type::dtypeinfo->type);
LLType* aaTypeInfoTy = DtoType(Type::typeinfoassociativearray->type);
LLType* moduleInfoPtrTy = getPtrToType(DtoType(Module::moduleinfo->type));
LLType* aaTy = rt_ptr(LLStructType::get(gIR->context()));
@@ -306,7 +307,7 @@ static void LLVM_D_BuildRuntimeModule()
llvm::StringRef fname("_d_array_bounds");
llvm::StringRef fname2("_d_switch_error");
LLType *types[] = {
getPtrToType(DtoType(Module::moduleinfo->type)),
moduleInfoPtrTy,
intTy
};
LLFunctionType* fty = llvm::FunctionType::get(voidTy, types, false);
@@ -777,7 +778,7 @@ static void LLVM_D_BuildRuntimeModule()
->setAttributes(Attr_1_NoCapture);
}
// int _aaEqual(TypeInfo_AssociativeArray ti, AA e1, AA e2)
// int _aaEqual(in TypeInfo tiRaw, in AA e1, in AA e2)
{
llvm::StringRef fname("_aaEqual");
LLType *types[] = { typeInfoTy, aaTy, aaTy };
@@ -941,4 +942,23 @@ static void LLVM_D_BuildRuntimeModule()
LLFunctionType* fty = llvm::FunctionType::get(voidTy, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
}
// void _d_dso_registry(CompilerDSOData* data)
if (global.params.isLinux) {
llvm::StringRef fname("_d_dso_registry");
llvm::StructType* dsoDataTy = llvm::StructType::get(
sizeTy, // version
getPtrToType(voidPtrTy), // slot
getPtrToType(moduleInfoPtrTy), // _minfo_beg
getPtrToType(moduleInfoPtrTy), // _minfo_end
NULL
);
llvm::Type* params[] = {
getPtrToType(dsoDataTy)
};
llvm::FunctionType* fty = llvm::FunctionType::get(voidTy, params, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
}
}