mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-28 22:20:37 +00:00
4aa3fea8b1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139646 91177308-0d34-0410-b5e6-96231b3b80d8
80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
//===-- DWARFFormValue.h ----------------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_DEBUGINFO_DWARFFORMVALUE_H
|
|
#define LLVM_DEBUGINFO_DWARFFORMVALUE_H
|
|
|
|
#include "llvm/Support/DataExtractor.h"
|
|
|
|
namespace llvm {
|
|
|
|
class DWARFCompileUnit;
|
|
class raw_ostream;
|
|
|
|
class DWARFFormValue {
|
|
public:
|
|
struct ValueType {
|
|
ValueType() : data(NULL) {
|
|
uval = 0;
|
|
}
|
|
|
|
union {
|
|
uint64_t uval;
|
|
int64_t sval;
|
|
const char* cstr;
|
|
};
|
|
const uint8_t* data;
|
|
};
|
|
|
|
enum {
|
|
eValueTypeInvalid = 0,
|
|
eValueTypeUnsigned,
|
|
eValueTypeSigned,
|
|
eValueTypeCStr,
|
|
eValueTypeBlock
|
|
};
|
|
|
|
private:
|
|
uint16_t Form; // Form for this value.
|
|
ValueType Value; // Contains all data for the form.
|
|
|
|
public:
|
|
DWARFFormValue(uint16_t form = 0) : Form(form) {}
|
|
uint16_t getForm() const { return Form; }
|
|
const ValueType& value() const { return Value; }
|
|
void dump(raw_ostream &OS, const DataExtractor *debug_str_data,
|
|
const DWARFCompileUnit* cu) const;
|
|
bool extractValue(DataExtractor data, uint32_t *offset_ptr,
|
|
const DWARFCompileUnit *cu);
|
|
bool isInlinedCStr() const {
|
|
return Value.data != NULL && Value.data == (uint8_t*)Value.cstr;
|
|
}
|
|
const uint8_t *BlockData() const;
|
|
uint64_t getReference(const DWARFCompileUnit* cu) const;
|
|
|
|
/// Resolve any compile unit specific references so that we don't need
|
|
/// the compile unit at a later time in order to work with the form
|
|
/// value.
|
|
bool resolveCompileUnitReferences(const DWARFCompileUnit* cu);
|
|
uint64_t getUnsigned() const { return Value.uval; }
|
|
int64_t getSigned() const { return Value.sval; }
|
|
const char *getAsCString(const DataExtractor *debug_str_data_ptr) const;
|
|
bool skipValue(DataExtractor debug_info_data, uint32_t *offset_ptr,
|
|
const DWARFCompileUnit *cu) const;
|
|
static bool skipValue(uint16_t form, DataExtractor debug_info_data,
|
|
uint32_t *offset_ptr, const DWARFCompileUnit *cu);
|
|
static bool isBlockForm(uint16_t form);
|
|
static bool isDataForm(uint16_t form);
|
|
static const uint8_t *getFixedFormSizesForAddressSize(uint8_t addr_size);
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|