| 1 | /* $Id: kDbgBase.h 3528 2007-08-20 02:43:13Z bird $ */
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| 2 | /** @file
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| 3 | * kDbg - The Debug Info Reader, Base Definitions and Typedefs.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (c) 2006-2007 knut st. osmundsen <bird@anduin.net>
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| 8 | *
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| 9 | *
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| 10 | * This file is part of kDbg.
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| 11 | *
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| 12 | * kDbg is free software; you can redistribute it and/or modify
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| 13 | * it under the terms of the GNU General Public License as published by
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| 14 | * the Free Software Foundation; either version 2 of the License, or
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| 15 | * (at your option) any later version.
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| 16 | *
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| 17 | * kDbg is distributed in the hope that it will be useful,
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| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | * GNU General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with kDbg; if not, write to the Free Software
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| 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 25 | *
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| 26 | */
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| 27 |
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| 28 | #ifndef ___kDbgBase_h___
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| 29 | #define ___kDbgBase_h___
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| 30 |
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| 31 |
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| 32 | /** @defgroup grp_kDbgBase kDbgBase - Base Definitions And Typedefs
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| 33 | * @{ */
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| 34 |
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| 35 | /*
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| 36 | * kDbg depend on size_t, [u]intNN_t, [u]intptr_t and some related constants.
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| 37 | * If KDBG_ALREADY_INCLUDED_STD_TYPES or KCOMMON_ALREADY_INCLUDED_STD_TYPES
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| 38 | * is defined, these has already been defined.
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| 39 | */
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| 40 | #if !defined(KDBG_ALREADY_INCLUDED_STD_TYPES) && !defined(KCOMMON_ALREADY_INCLUDED_STD_TYPES)
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| 41 | # define KCOMMON_ALREADY_INCLUDED_STD_TYPES 1
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| 42 | # include <sys/types.h>
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| 43 | # include <stddef.h>
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| 44 | # ifdef _MSC_VER
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| 45 | typedef signed char int8_t;
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| 46 | typedef unsigned char uint8_t;
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| 47 | typedef signed short int16_t;
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| 48 | typedef unsigned short uint16_t;
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| 49 | typedef signed int int32_t;
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| 50 | typedef unsigned int uint32_t;
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| 51 | typedef signed __int64 int64_t;
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| 52 | typedef unsigned __int64 uint64_t;
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| 53 | typedef int64_t intmax_t;
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| 54 | typedef uint64_t uintmax_t;
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| 55 | # define UINT8_C(c) (c)
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| 56 | # define UINT16_C(c) (c)
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| 57 | # define UINT32_C(c) (c ## U)
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| 58 | # define UINT64_C(c) (c ## ULL)
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| 59 | # define INT8_C(c) (c)
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| 60 | # define INT16_C(c) (c)
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| 61 | # define INT32_C(c) (c)
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| 62 | # define INT64_C(c) (c ## LL)
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| 63 | # define INT8_MIN (INT8_C(-0x7f) - 1)
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| 64 | # define INT16_MIN (INT16_C(-0x7fff) - 1)
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| 65 | # define INT32_MIN (INT32_C(-0x7fffffff) - 1)
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| 66 | # define INT64_MIN (INT64_C(-0x7fffffffffffffff) - 1)
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| 67 | # define INT8_MAX INT8_C(0x7f)
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| 68 | # define INT16_MAX INT16_C(0x7fff)
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| 69 | # define INT32_MAX INT32_C(0x7fffffff)
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| 70 | # define INT64_MAX INT64_C(0x7fffffffffffffff)
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| 71 | # define UINT8_MAX UINT8_C(0xff)
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| 72 | # define UINT16_MAX UINT16_C(0xffff)
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| 73 | # define UINT32_MAX UINT32_C(0xffffffff)
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| 74 | # define UINT64_MAX UINT64_C(0xffffffffffffffff)
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| 75 | # else
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| 76 | # include <stdint.h>
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| 77 | # endif
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| 78 | #endif /* !KDBG_ALREADY_INCLUDED_STD_TYPES && !KCOMMON_ALREADY_INCLUDED_STD_TYPES */
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| 79 |
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| 80 |
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| 81 | /** @def KDBG_CALL
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| 82 | * The calling convention used by the kDbg functions. */
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| 83 | #if defined(_MSC_VER) || defined(__OS2__)
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| 84 | # define KDBG_CALL __cdecl
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| 85 | #else
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| 86 | # define KDBG_CALL
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| 87 | #endif
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| 88 |
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| 89 | #ifdef __DOXYGEN__
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| 90 | /** @def KDBG_BUILDING
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| 91 | * Define KDBG_BUILDING to indicate that kDbg is being built.
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| 92 | */
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| 93 | # define KDBG_BUILDING
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| 94 | /** @def KDBG_RESIDES_IN_DLL
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| 95 | * Define KDBG_RESIDES_IN_DLL to indicate that kDbg resides in a DLL.
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| 96 | */
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| 97 | # define KDBG_RESIDES_IN_DLL
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| 98 | #endif
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| 99 |
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| 100 | /** @def KDBG_DECL
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| 101 | * Macro for defining public functions. */
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| 102 | #if defined(KDBG_RESIDES_IN_DLL) \
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| 103 | && (defined(_MSC_VER) || defined(__OS2__))
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| 104 | # ifdef KDBG_BUILDING
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| 105 | # define KDBG_DECL(type) __declspec(dllexport) type
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| 106 | # else
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| 107 | # define KDBG_DECL(type) __declspec(dllimport) type
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| 108 | # endif
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| 109 | #else
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| 110 | # define KDBG_DECL(type) type
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| 111 | #endif
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| 112 |
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| 113 | /** @def KDBG_INLINE
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| 114 | * Macro for defining an inline function. */
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| 115 | #ifdef __cplusplus
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| 116 | # if defined(__GNUC__)
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| 117 | # define KDBG_INLINE(type) static inline type
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| 118 | # else
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| 119 | # define KDBG_INLINE(type) inline type
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| 120 | # endif
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| 121 | #else
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| 122 | # if defined(__GNUC__)
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| 123 | # define KDBG_INLINE(type) static __inline__ type
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| 124 | # elif defined(_MSC_VER)
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| 125 | # define KDBG_INLINE(type) _inline type
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| 126 | # else
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| 127 | # error "Port me"
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| 128 | # endif
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| 129 | #endif
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| 130 |
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| 131 |
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| 132 | /** The kDbg address type. */
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| 133 | typedef uint64_t KDBGADDR;
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| 134 | /** Pointer to a kLdr address. */
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| 135 | typedef KDBGADDR *PKDBGADDR;
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| 136 | /** Pointer to a const kLdr address. */
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| 137 | typedef const KDBGADDR *PCKDBGADDR;
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| 138 |
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| 139 | /** NIL address. */
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| 140 | #define NIL_KDBGADDR (~(uint64_t)0)
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| 141 |
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| 142 | /** @def PRI_KDBGADDR
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| 143 | * printf format type. */
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| 144 | #ifdef _MSC_VER
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| 145 | # define PRI_KDBGADDR "I64x"
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| 146 | #else
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| 147 | # define PRI_KDBGADDR "llx"
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| 148 | #endif
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| 149 |
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| 150 |
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| 151 | /** Get the minimum of two values. */
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| 152 | #define KDBG_MIN(a, b) ((a) <= (b) ? (a) : (b))
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| 153 | /** Get the maximum of two values. */
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| 154 | #define KDBG_MAX(a, b) ((a) >= (b) ? (a) : (b))
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| 155 | /** Calculate the offset of a structure member. */
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| 156 | #define KDBG_OFFSETOF(strct, memb) ( (size_t)( &((strct *)0)->memb ) )
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| 157 | /** Align a size_t value. */
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| 158 | #define KDBG_ALIGN_Z(val, align) ( ((val) + ((align) - 1)) & ~(size_t)((align) - 1) )
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| 159 | /** Align a void * value. */
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| 160 | #define KDBG_ALIGN_P(pv, align) ( (void *)( ((uintptr_t)(pv) + ((align) - 1)) & ~(uintptr_t)((align) - 1) ) )
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| 161 | /** Align a size_t value. */
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| 162 | #define KDBG_ALIGN_ADDR(val, align) ( ((val) + ((align) - 1)) & ~(KDBGADDR)((align) - 1) )
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| 163 | /** Number of elements in an array. */
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| 164 | #define KDBG_ELEMENTS(a) ( sizeof(a) / sizeof((a)[0]) )
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| 165 | /** @def KDBG_VALID_PTR
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| 166 | * Checks if the specified pointer is a valid address or not. */
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| 167 | #define KDBG_VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x1000U >= 0x2000U )
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| 168 |
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| 169 |
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| 170 | /** @def KDBG_LITTLE_ENDIAN
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| 171 | * The kDbg build is for a little endian target. */
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| 172 | /** @def KDBG_BIG_ENDIAN
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| 173 | * The kDbg build is for a big endian target. */
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| 174 | #if !defined(KDBG_LITTLE_ENDIAN) && !defined(KDBG_BIG_ENDIAN)
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| 175 | # define KDBG_LITTLE_ENDIAN
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| 176 | #endif
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| 177 | #ifdef __DOXYGEN__
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| 178 | # define KDBG_BIG_ENDIAN
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| 179 | #endif
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| 180 |
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| 181 |
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| 182 | /** @name Endian Conversion
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| 183 | * @{ */
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| 184 |
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| 185 | /** @def KDBG_E2E_U16
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| 186 | * Convert the endian of an unsigned 16-bit value. */
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| 187 | # define KDBG_E2E_U16(u16) ( (uint16_t) (((u16) >> 8) | ((u16) << 8)) )
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| 188 | /** @def KDBG_E2E_U32
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| 189 | * Convert the endian of an unsigned 32-bit value. */
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| 190 | # define KDBG_E2E_U32(u32) ( ( ((u32) & UINT32_C(0xff000000)) >> 24 ) \
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| 191 | | ( ((u32) & UINT32_C(0x00ff0000)) >> 8 ) \
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| 192 | | ( ((u32) & UINT32_C(0x0000ff00)) << 8 ) \
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| 193 | | ( ((u32) & UINT32_C(0x000000ff)) << 24 ) \
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| 194 | )
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| 195 | /** @def KDBG_E2E_U64
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| 196 | * Convert the endian of an unsigned 64-bit value. */
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| 197 | # define KDBG_E2E_U64(u64) ( ( ((u64) & UINT64_C(0xff00000000000000)) >> 56 ) \
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| 198 | | ( ((u64) & UINT64_C(0x00ff000000000000)) >> 40 ) \
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| 199 | | ( ((u64) & UINT64_C(0x0000ff0000000000)) >> 24 ) \
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| 200 | | ( ((u64) & UINT64_C(0x000000ff00000000)) >> 8 ) \
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| 201 | | ( ((u64) & UINT64_C(0x00000000ff000000)) << 8 ) \
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| 202 | | ( ((u64) & UINT64_C(0x0000000000ff0000)) << 24 ) \
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| 203 | | ( ((u64) & UINT64_C(0x000000000000ff00)) << 40 ) \
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| 204 | | ( ((u64) & UINT64_C(0x00000000000000ff)) << 56 ) \
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| 205 | )
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| 206 |
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| 207 | /** @def KDBG_LE2H_U16
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| 208 | * Unsigned 16-bit little-endian to host endian. */
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| 209 | /** @def KDBG_LE2H_U32
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| 210 | * Unsigned 32-bit little-endian to host endian. */
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| 211 | /** @def KDBG_LE2H_U64
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| 212 | * Unsigned 64-bit little-endian to host endian. */
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| 213 | /** @def KDBG_BE2H_U16
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| 214 | * Unsigned 16-bit big-endian to host endian. */
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| 215 | /** @def KDBG_BE2H_U32
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| 216 | * Unsigned 32-bit big-endian to host endian. */
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| 217 | /** @def KDBG_BE2H_U64
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| 218 | * Unsigned 64-bit big-endian to host endian. */
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| 219 | #ifdef KDBG_LITTLE_ENDIAN
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| 220 | # define KDBG_LE2H_U16(u16) ((uint16_t)(u16))
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| 221 | # define KDBG_LE2H_U32(u32) ((uint32_t)(u32))
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| 222 | # define KDBG_LE2H_U64(u64) ((uint32_t)(u32))
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| 223 | # define KDBG_BE2H_U16(u16) KDBG_E2E_U16(u16)
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| 224 | # define KDBG_BE2H_U32(u32) KDBG_E2E_U32(u32)
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| 225 | # define KDBG_BE2H_U64(u64) KDBG_E2E_U64(u64)
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| 226 | #elif defined(KDBG_BIG_ENDIAN)
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| 227 | # define KDBG_LE2H_U16(u16) KDBG_E2E_U16(u16)
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| 228 | # define KDBG_LE2H_U32(u32) KDBG_E2E_U32(u32)
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| 229 | # define KDBG_LE2H_U32(u64) KDBG_E2E_U64(u64)
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| 230 | # define KDBG_BE2H_U16(u16) ((uint16_t)(u16))
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| 231 | # define KDBG_BE2H_U32(u32) ((uint32_t)(u32))
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| 232 | # define KDBG_BE2H_U64(u64) ((uint32_t)(u32))
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| 233 | #else
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| 234 | # error "KDBG_BIG_ENDIAN or KDBG_LITTLE_ENDIAN is supposed to be defined."
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| 235 | #endif
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| 236 |
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| 237 | /** @} */
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| 238 |
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| 239 | /** @} */
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| 240 |
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| 241 | #endif
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| 242 |
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