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Changed array slice copying to call a runtime function when assertions or array bound checks are enabled instead of just doing a memcpy. This makes sure an exception is thrown if the copy is invalid (ie. different lengths or overlap). Fixes ticket #283 . Rebuilding the runtime is necessary.

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This commit is contained in:
Tomas Lindquist Olsen
2009-05-10 02:23:05 +02:00
parent 54d9955abc
commit dfea022a86
3 changed files with 39 additions and 4 deletions
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6
gen/runtime.cpp
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@@ -402,8 +402,12 @@ static void LLVM_D_BuildRuntimeModule()
// array init mem
// void _d_array_init_mem(void* a, size_t na, void* v, size_t nv)
// +
// array slice copy when assertions are on!
// void _d_array_slice_copy(void* dst, size_t dstlen, void* src, size_t srclen)
{
std::string fname("_d_array_init_mem");
std::string fname2("_d_array_slice_copy");
std::vector<const LLType*> types;
types.push_back(voidPtrTy);
types.push_back(sizeTy);
@@ -412,6 +416,8 @@ static void LLVM_D_BuildRuntimeModule()
const llvm::FunctionType* fty = llvm::FunctionType::get(voidTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_1_3_NoCapture);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M)
->setAttributes(Attr_1_3_NoCapture);
}
/////////////////////////////////////////////////////////////////////////////////////