1//------------------------------------------------------------------------------
2//	Copyright (c) 2003, Ingo Weinhold
3//
4//	Permission is hereby granted, free of charge, to any person obtaining a
5//	copy of this software and associated documentation files (the "Software"),
6//	to deal in the Software without restriction, including without limitation
7//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
8//	and/or sell copies of the Software, and to permit persons to whom the
9//	Software is furnished to do so, subject to the following conditions:
10//
11//	The above copyright notice and this permission notice shall be included in
12//	all copies or substantial portions of the Software.
13//
14//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20//	DEALINGS IN THE SOFTWARE.
21//
22//	File Name:		ElfImage.h
23//	Author:			Ingo Weinhold (bonefish@users.sf.net)
24//	Description:	Interface declaration of ElfImage, a class encapsulating
25//					a loaded ELF image, providing support for accessing the
26//					image's symbols and their relocation entries.
27//------------------------------------------------------------------------------
28
29#ifndef ELF_IMAGE_H
30#define ELF_IMAGE_H
31
32#include <File.h>
33#include <image.h>
34
35#include "ElfFile.h"
36
37class BList;
38
39namespace SymbolPatcher {
40
41class ElfSection;
42class ElfSymbol;
43
44// ElfImage
45class ElfImage {
46public:
47								ElfImage();
48								~ElfImage();
49			status_t			SetTo(image_id image);
50			void				Unset();
51			void				Unload();
52
53			image_id			GetID() const	{ return fImage; }
54
55			status_t			FindSymbol(const char* symbolName,
56										   void** address);
57			status_t			GetSymbolRelocations(const char* symbolName,
58													 BList* relocations);
59
60private:
61			status_t			_SetTo(image_id image);
62
63private:
64			image_id			fImage;
65			ElfFile				fFile;
66			uint8*				fTextAddress;
67			uint8*				fDataAddress;
68			uint8*				fGotAddress;
69};
70
71} // namespace SymbolPatcher
72
73using namespace SymbolPatcher;
74
75
76#endif	// ELF_IMAGE_H
77