* Copyright 2005-2009, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#ifndef IMAGE_H
#define IMAGE_H
#include <stdio.h>
#include <elf_private.h>
#include <image.h>
#include <OS.h>
#include <util/DoublyLinkedList.h>
struct image_t;
struct runtime_loader_debug_area;
namespace BPrivate {
namespace Debug {
class Image : public DoublyLinkedListLinkImpl<Image> {
public:
Image();
virtual ~Image();
const image_info& Info() const { return fInfo; }
image_id ID() const { return fInfo.id; }
const char* Name() const { return fInfo.name; }
addr_t TextAddress() const
{ return (addr_t)fInfo.text; }
size_t TextSize() const { return fInfo.text_size; }
virtual const elf_sym* LookupSymbol(addr_t address,
addr_t* _baseAddress,
const char** _symbolName,
size_t *_symbolNameLen,
bool *_exactMatch) const = 0;
virtual status_t NextSymbol(int32& iterator,
const char** _symbolName,
size_t* _symbolNameLen,
addr_t* _symbolAddress, size_t* _symbolSize,
int32* _symbolType) const = 0;
virtual status_t GetSymbol(const char* name, int32 symbolType,
void** _symbolLocation, size_t* _symbolSize,
int32* _symbolType) const;
protected:
image_info fInfo;
};
class SymbolTableBasedImage : public Image {
public:
SymbolTableBasedImage();
virtual ~SymbolTableBasedImage();
virtual const elf_sym* LookupSymbol(addr_t address,
addr_t* _baseAddress,
const char** _symbolName,
size_t *_symbolNameLen,
bool *_exactMatch) const;
virtual status_t NextSymbol(int32& iterator,
const char** _symbolName,
size_t* _symbolNameLen,
addr_t* _symbolAddress, size_t* _symbolSize,
int32* _symbolType) const;
protected:
size_t _SymbolNameLen(const char* symbolName) const;
protected:
addr_t fLoadDelta;
elf_sym* fSymbolTable;
char* fStringTable;
int32 fSymbolCount;
size_t fStringTableSize;
};
class ImageFile : public SymbolTableBasedImage {
public:
ImageFile();
virtual ~ImageFile();
status_t Init(const image_info& info);
status_t Init(const char* path);
private:
status_t _LoadFile(const char* path,
addr_t* _textAddress, size_t* _textSize,
addr_t* _dataAddress, size_t* _dataSize);
status_t _FindTableInSection(elf_ehdr* elfHeader,
uint16 sectionType);
private:
int fFD;
off_t fFileSize;
uint8* fMappedFile;
};
class KernelImage : public SymbolTableBasedImage {
public:
KernelImage();
virtual ~KernelImage();
status_t Init(const image_info& info);
};
class CommPageImage : public SymbolTableBasedImage {
public:
CommPageImage();
virtual ~CommPageImage();
status_t Init(const image_info& info);
};
}
}
using BPrivate::Debug::ImageFile;
#endif
