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Diffstat (limited to 'src/lib/kStuff/include/k/kDbg.h')
| -rw-r--r-- | src/lib/kStuff/include/k/kDbg.h | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/src/lib/kStuff/include/k/kDbg.h b/src/lib/kStuff/include/k/kDbg.h new file mode 100644 index 0000000..07ee431 --- /dev/null +++ b/src/lib/kStuff/include/k/kDbg.h @@ -0,0 +1,243 @@ +/* $Id: kDbg.h 29 2009-07-01 20:30:29Z bird $ */ +/** @file + * kDbg - The Debug Info Reader. + */ + +/* + * Copyright (c) 2006-2007 Knut St. Osmundsen <bird-kStuff-spamix@anduin.net> + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef ___k_kDbg_h___ +#define ___k_kDbg_h___ + +#include <k/kDefs.h> +#include <k/kTypes.h> +#include <k/kRdr.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** @defgroup grp_kDbg Debug Info Reader + * @{ + */ + +/** @def KDBG_DECL + * Declares a kDbg function according to build context. + * @param type The return type. + */ +#if defined(KDBG_BUILDING_DYNAMIC) +# define KDBG_DECL(type) K_DECL_EXPORT(type) +#elif defined(KDBG_BUILT_DYNAMIC) +# define KDBG_DECL(type) K_DECL_IMPORT(type) +#else +# define KDBG_DECL(type) type +#endif + + +/** The kDbg address type. */ +typedef KU64 KDBGADDR; +/** Pointer to a kDbg address. */ +typedef KDBGADDR *PKDBGADDR; +/** Pointer to a const kDbg address. */ +typedef const KDBGADDR *PCKDBGADDR; +/** @def KDBGADDR_PRI + * printf format type. */ +#define KDBGADDR_PRI KX64_PRI +/** @def KDBGADDR_MAX + * Max kDbg address value. */ +#define KDBGADDR_MAX KU64_C(0xfffffffffffffffe) +/** @def KDBGADDR_C + * kDbg address constant. + * @param c The constant value. */ +#define KDBGADDR_C(c) KU64_C(c) +/** NIL address. */ +#define NIL_KDBGADDR KU64_MAX + + +/** @name Special Segments + * @{ */ +/** Relative Virtual Address. + * The specified offset is relative to the image base. The image base is the lowest memory + * address used by the image when loaded with the address assignments indicated in the image. */ +#define KDBGSEG_RVA (-1) +/** Absolute segment. The offset isn't relative to anything. */ +#define KDBGSEG_ABS (-2) +/** @} */ + + +/** The max filename path length used by the debug reader. */ +#define KDBG_PATH_MAX 260 + +/** + * Line number details. + */ +typedef struct KDBGLINE +{ + /** The relative virtual address. */ + KDBGADDR RVA; + /** The offset into the segment. */ + KDBGADDR offSegment; + /** The segment number. */ + KI32 iSegment; + /** The Line number. */ + KU32 iLine; + /** The actual size of this structure. */ + KU16 cbSelf; + /** The length of the filename. */ + KU16 cchFile; + /** The name of the file this line number relates to. */ + char szFile[KDBG_PATH_MAX]; +} KDBGLINE; +/** Pointer to line number details. */ +typedef KDBGLINE *PKDBGLINE; +/** Pointer to const line number details. */ +typedef const KDBGLINE *PCKDBGLINE; +/** Pointer to a pointer to line number details. */ +typedef PKDBGLINE *PPKDBGLINE; + +/** + * Duplicates a line number. + * + * To save heap space, the returned line number will not own more heap space + * than it strictly need to. So, it's not possible to append stuff to the symbol + * or anything of that kind. + * + * @returns Pointer to the duplicate. + * This must be freed using RTDbgSymbolFree(). + * @param pLine The line number to be duplicated. + */ +KDBG_DECL(PKDBGLINE) kDbgLineDup(PCKDBGLINE pLine); + +/** + * Frees a line number obtained from the RTDbg API. + * + * @returns VINF_SUCCESS on success. + * @returns KERR_INVALID_POINTER if a NULL pointer or an !KDBG_VALID_PTR() is passed in. + * + * @param pLine The line number to be freed. + */ +KDBG_DECL(int) kDbgLineFree(PKDBGLINE pLine); + + +/** @name Symbol Flags. + * @{ */ +/** The symbol is weak. */ +#define KDBGSYM_FLAGS_WEAK KU32_C(0x00000000) +/** The symbol is absolute. + * (This also indicated by the segment number.) */ +#define KDBGSYM_FLAGS_ABS KU32_C(0x00000001) +/** The symbol is exported. */ +#define KDBGSYM_FLAGS_EXPORTED KU32_C(0x00000002) +/** The symbol is a function/method/procedure/whatever-executable-code. */ +#define KDBGSYM_FLAGS_CODE KU32_C(0x00000004) +/** The symbol is some kind of data. */ +#define KDBGSYM_FLAGS_DATA KU32_C(0x00000008) +/** @} */ + +/** The max symbol name length used by the debug reader. */ +#define KDBG_SYMBOL_MAX 384 + +/** + * Symbol details. + */ +typedef struct KDBGSYMBOL +{ + /** The adddress of this symbol in the relevant space. + * This is NIL_KDBGADDR unless the information was + * returned by a kDbgSpace API. */ + KDBGADDR Address; + /** The relative virtual address. */ + KDBGADDR RVA; + /** The symbol size. + * This is not a reliable field, it could be a bad guess. Ignore if zero. */ + KDBGADDR cb; + /** The offset into the segment. */ + KDBGADDR offSegment; + /** The segment number. */ + KI32 iSegment; + /** The symbol flags. */ + KU32 fFlags; +/** @todo type info. */ + /** The actual size of this structure. */ + KU16 cbSelf; + /** The length of the symbol name. */ + KU16 cchName; + /** The symbol name. */ + char szName[KDBG_SYMBOL_MAX]; +} KDBGSYMBOL; +/** Pointer to symbol details. */ +typedef KDBGSYMBOL *PKDBGSYMBOL; +/** Pointer to const symbol details. */ +typedef const KDBGSYMBOL *PCKDBGSYMBOL; +/** Pointer to a pointer to symbol details. */ +typedef PKDBGSYMBOL *PPKDBGSYMBOL; + +/** + * Duplicates a symbol. + * + * To save heap space, the returned symbol will not own more heap space than + * it strictly need to. So, it's not possible to append stuff to the symbol + * or anything of that kind. + * + * @returns Pointer to the duplicate. + * This must be freed using kDbgSymbolFree(). + * @param pSymbol The symbol to be freed. + */ +KDBG_DECL(PKDBGSYMBOL) kDbgSymbolDup(PCKDBGSYMBOL pSymbol); + +/** + * Frees a symbol obtained from the kDbg API. + * + * @returns VINF_SUCCESS on success. + * @returns KERR_INVALID_POINTER if a NULL pointer or an !KDBG_VALID_PTR() is passed in. + * + * @param pSymbol The symbol to be freed. + */ +KDBG_DECL(int) kDbgSymbolFree(PKDBGSYMBOL pSymbol); + + +/** Pointer to a debug module. */ +typedef struct KDBGMOD *PKDBGMOD; +/** Pointer to a debug module pointer. */ +typedef PKDBGMOD *PPKDBGMOD; + + +KDBG_DECL(int) kDbgModuleOpen(PPKDBGMOD ppDbgMod, const char *pszFilename, struct KLDRMOD *pLdrMod); +KDBG_DECL(int) kDbgModuleOpenFile(PPKDBGMOD ppDbgMod, PKRDR pRdr, struct KLDRMOD *pLdrMod); +KDBG_DECL(int) kDbgModuleOpenFilePart(PPKDBGMOD ppDbgMod, PKRDR pRdr, KFOFF off, KFOFF cb, struct KLDRMOD *pLdrMod); +KDBG_DECL(int) kDbgModuleClose(PKDBGMOD pMod); +KDBG_DECL(int) kDbgModuleQuerySymbol(PKDBGMOD pMod, KI32 iSegment, KDBGADDR off, PKDBGSYMBOL pSym); +KDBG_DECL(int) kDbgModuleQuerySymbolA(PKDBGMOD pMod, KI32 iSegment, KDBGADDR off, PPKDBGSYMBOL ppSym); +KDBG_DECL(int) kDbgModuleQueryLine(PKDBGMOD pMod, KI32 iSegment, KDBGADDR off, PKDBGLINE pLine); +KDBG_DECL(int) kDbgModuleQueryLineA(PKDBGMOD pMod, KI32 iSegment, KDBGADDR off, PPKDBGLINE ppLine); + + +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif |