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Emit debug info for variables that are used in nested functions

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This commit is contained in:
Alexey Prokhin
2011-12-03 23:45:58 +04:00
parent cedb4c0e68
commit b8721a8515
7 changed files with 103 additions and 25 deletions
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gen/todebug.h
+30 -2
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@@ -3,6 +3,9 @@
#ifndef DISABLE_DEBUG_INFO
#include "gen/tollvm.h"
#include "gen/irstate.h"
void RegisterDwarfSymbols(llvm::Module* mod);
/**
@@ -31,14 +34,15 @@ void DtoDwarfFuncEnd(FuncDeclaration* fd);
void DtoDwarfStopPoint(unsigned ln);
void DtoDwarfValue(LLValue* var, VarDeclaration* vd);
void DtoDwarfValue(LLValue *val, VarDeclaration* vd);
/**
* Emits all things necessary for making debug info for a local variable vd.
* @param ll LLVM Value of the variable.
* @param vd Variable declaration to emit debug info for.
*/
void DtoDwarfLocalVariable(LLValue* ll, VarDeclaration* vd);
void DtoDwarfLocalVariable(LLValue* ll, VarDeclaration* vd,
llvm::ArrayRef<LLValue*> addr = llvm::ArrayRef<LLValue*>());
/**
* Emits all things necessary for making debug info for a global variable vd.
@@ -50,6 +54,30 @@ llvm::DIGlobalVariable DtoDwarfGlobalVariable(LLGlobalVariable* ll, VarDeclarati
void DtoDwarfModuleEnd();
template<typename T>
void dwarfOpOffset(T &addr, LLStructType *type, int index)
{
uint64_t offset = gTargetData->getStructLayout(type)->getElementOffset(index);
LLType *int64Ty = LLType::getInt64Ty(gIR->context());
addr.push_back(LLConstantInt::get(int64Ty, llvm::DIBuilder::OpPlus));
addr.push_back(LLConstantInt::get(int64Ty, offset));
}
template<typename T>
void dwarfOpOffset(T &addr, LLValue *val, int index)
{
LLStructType *type = isaStruct(val->getType()->getContainedType(0));
assert(type);
dwarfOpOffset(addr, type, index);
}
template<typename T>
void dwarfOpDeref(T &addr)
{
LLType *int64Ty = LLType::getInt64Ty(gIR->context());
addr.push_back(LLConstantInt::get(int64Ty, llvm::DIBuilder::OpDeref));
}
#endif // DISABLE_DEBUG_INFO