| 1 | /* $Id: kFileLX.h,v 1.6 2002-02-24 02:47:26 bird Exp $
|
|---|
| 2 | *
|
|---|
| 3 | * kFileLX - Linear Executable file reader.
|
|---|
| 4 | *
|
|---|
| 5 | * Copyright (c) 2000 knut st. osmundsen (knut.stange.osmundsen@pmsc.no)
|
|---|
| 6 | *
|
|---|
| 7 | * Project Odin Software License can be found in LICENSE.TXT
|
|---|
| 8 | *
|
|---|
| 9 | */
|
|---|
| 10 |
|
|---|
| 11 | #ifndef _kFileLX_h_
|
|---|
| 12 | #define _kFileLX_h_
|
|---|
| 13 |
|
|---|
| 14 | struct e32_exe;
|
|---|
| 15 | struct o32_obj;
|
|---|
| 16 | struct o32_map;
|
|---|
| 17 |
|
|---|
| 18 |
|
|---|
| 19 | class kFileLX : public kFileFormatBase, public kExecutableI, public kPageI, public kRelocI
|
|---|
| 20 | {
|
|---|
| 21 | public:
|
|---|
| 22 | kFileLX(const char *pszFilename) throw (kError);
|
|---|
| 23 | kFileLX(kFile *pFile) throw (kError);
|
|---|
| 24 | ~kFileLX() throw (kError);
|
|---|
| 25 |
|
|---|
| 26 | /** @cat Module information methods. */
|
|---|
| 27 | KBOOL moduleGetName(char *pszBuffer, int cchSize = 260);
|
|---|
| 28 |
|
|---|
| 29 | /** @cat Misc */
|
|---|
| 30 | virtual KBOOL isLx() const {return TRUE;};
|
|---|
| 31 |
|
|---|
| 32 | struct o32_obj * getObject(int iObject);
|
|---|
| 33 | int getObjectCount();
|
|---|
| 34 |
|
|---|
| 35 | /** @cat Export enumeration methods. */
|
|---|
| 36 | KBOOL exportFindFirst(kExportEntry *pExport);
|
|---|
| 37 | KBOOL exportFindNext(kExportEntry *pExport);
|
|---|
| 38 | void exportFindClose(kExportEntry *pExport);
|
|---|
| 39 |
|
|---|
| 40 | /** @cat Export Lookup methods */
|
|---|
| 41 | KBOOL exportLookup(unsigned long ulOrdinal, kExportEntry *pExport);
|
|---|
| 42 | KBOOL exportLookup(const char * pszName, kExportEntry *pExport);
|
|---|
| 43 |
|
|---|
| 44 | /** @cat Get and put page methods. */
|
|---|
| 45 | int pageGet(char *pachPage, unsigned long ulAddress) const;
|
|---|
| 46 | int pageGet(char *pachPage, int iObject, int offObject) const;
|
|---|
| 47 | int pagePut(const char *pachPage, unsigned long ulAddress);
|
|---|
| 48 | int pagePut(const char *pachPage, int iObject, int offObject);
|
|---|
| 49 | int pageGetPageSize() const;
|
|---|
| 50 |
|
|---|
| 51 | /** @cat Compression and expansion methods compatible with exepack:1 and exepack:2. */
|
|---|
| 52 | static int expandPage1(char *pachPage, int cchPage, const char * pachSrcPage, int cchSrcPage);
|
|---|
| 53 | static int expandPage2(char *pachPage, int cchPage, const char * pachSrcPage, int cchSrcPage);
|
|---|
| 54 | static int compressPage1(char *pachPage, const char * pachSrcPage, int cchSrcPage);
|
|---|
| 55 | static int compressPage2(char *pachPage, const char * pachSrcPage, int cchSrcPage);
|
|---|
| 56 |
|
|---|
| 57 | /** @cat Relocation methods */
|
|---|
| 58 | KBOOL relocFindFirst(unsigned long iSegment, unsigned long offObject, kRelocEntry *preloc);
|
|---|
| 59 | KBOOL relocFindFirst(unsigned long ulAddress, kRelocEntry *preloc);
|
|---|
| 60 | KBOOL relocFindNext(kRelocEntry *preloc);
|
|---|
| 61 | void relocFindClose(kRelocEntry *preloc);
|
|---|
| 62 |
|
|---|
| 63 |
|
|---|
| 64 | protected:
|
|---|
| 65 | /** @cat Internal data */
|
|---|
| 66 | void * pvBase; /* Pointer to filemapping. */
|
|---|
| 67 | unsigned long cbFile; /* Size of filemapping. */
|
|---|
| 68 | unsigned long offLXHdr; /* Offset of the LX header. */
|
|---|
| 69 | struct e32_exe * pe32; /* Pointer to the exe header within the filemapping. */
|
|---|
| 70 | struct o32_obj * paObject; /* Pointer to the objecttable. */
|
|---|
| 71 | struct o32_map * paMap; /* Pointer to page map table. */
|
|---|
| 72 | unsigned long * paulFixupPageTable; /* Pointer to the fixup page table. */
|
|---|
| 73 | char * pchFixupRecs; /* Pointer to the fixup record table. */
|
|---|
| 74 |
|
|---|
| 75 | /** @cat Export and Module information worker. */
|
|---|
| 76 | KBOOL queryExportName(int iOrdinal, char *pszBuffer);
|
|---|
| 77 |
|
|---|
| 78 | /** @cat Get and put page workers. */
|
|---|
| 79 | /*
|
|---|
| 80 | int pageGetLX(char *pachPage, int iObject, int iPage) const;
|
|---|
| 81 | int pageGetLX(char *pachPage, int iPage) const;
|
|---|
| 82 | int pagePutLX(const char *pachPage, int iObject, int iPage);
|
|---|
| 83 | int pagePutLX(const char *pachPage, int iPage);
|
|---|
| 84 | */
|
|---|
| 85 |
|
|---|
| 86 | /** @cat Address mapping helpers. */
|
|---|
| 87 | unsigned long lxAddressToObjectOffset(unsigned long ulAddress, unsigned long * pulObject) const;
|
|---|
| 88 | unsigned long lxSpecialSelectorToObjectOffset(unsigned long offObject, unsigned long * pulObject) const;
|
|---|
| 89 | KBOOL lxValidateObjectOffset(unsigned long ulObject, unsigned long offOffset) const;
|
|---|
| 90 | KBOOL lxValidateAddress(unsigned long ulAddress) const;
|
|---|
| 91 |
|
|---|
| 92 | /** @cat Import Helpers */
|
|---|
| 93 | char * lxGetImportModuleName(unsigned long ordModule) const;
|
|---|
| 94 | char * lxGetImportProcName(unsigned long offProc) const;
|
|---|
| 95 | };
|
|---|
| 96 |
|
|---|
| 97 | #endif
|
|---|
