[1] | 1 | /* |
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| 2 | * 2008 January 19 |
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| 3 | * |
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| 4 | * The author disclaims copyright to this source code. In place of |
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| 5 | * a legal notice, here is a blessing: |
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| 6 | * |
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| 7 | * May you do good and not evil. |
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| 8 | * May you find forgiveness for yourself and forgive others. |
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| 9 | * May you share freely, never taking more than you give. |
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| 10 | * |
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| 11 | ******************************************************************** |
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| 12 | * |
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| 13 | * DONE: |
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| 14 | * - Command line |
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| 15 | * - Windows version |
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| 16 | * - Exception |
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| 17 | * - Registers |
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| 18 | * - Stacktrace (frame number starting at 0) |
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| 19 | * + Functions: |
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| 20 | * - address |
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| 21 | * - name |
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| 22 | * - offset in the function |
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| 23 | * - line number and source file |
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| 24 | * - source code of the line (external source) |
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| 25 | * - function parameters |
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| 26 | * - local function variables |
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| 27 | * + Variables/parameters: |
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| 28 | * - variable name |
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| 29 | * - variable type (char/wchar, integers, floats, enums, arrays, |
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| 30 | * pointers, structs, unions, ...) |
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| 31 | * - readability of memory |
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| 32 | * - value of char/wchar |
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| 33 | * - value of integers |
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| 34 | * - value of floats |
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| 35 | * - value of enums (hex number) |
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| 36 | * - values of arrays |
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| 37 | * - address of pointers |
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| 38 | * - value of simple pointers (not pointing to another pointer) |
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| 39 | * - show (char*) and (wchar*) as nul-terminated strings |
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| 40 | * - show chars/wchar escaped |
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| 41 | * + Modules: |
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| 42 | * - base address |
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| 43 | * - file |
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| 44 | * - version |
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| 45 | * - size |
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| 46 | * |
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| 47 | * TODO: |
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| 48 | * + Variables/parameters: |
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| 49 | * - structure members |
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| 50 | * - union members |
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| 51 | * - globals |
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| 52 | * - Portability to MinGW |
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| 53 | * |
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| 54 | * $Id: dbghelpplug.c 12143 2008-01-27 00:34:24Z FlavioJS $ |
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| 55 | */ |
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| 56 | |
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| 57 | #ifdef _WIN32 |
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| 58 | |
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| 59 | |
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| 60 | ///////////////////////////////////////////////////////////////////// |
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| 61 | // Include files |
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| 62 | // |
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| 63 | |
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| 64 | #include <assert.h> |
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| 65 | |
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| 66 | #define WIN32_LEAN_AND_MEAN |
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| 67 | #include <windows.h> |
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| 68 | |
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| 69 | #define _NO_CVCONST_H |
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| 70 | #include <dbghelp.h> |
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| 71 | |
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| 72 | #include <stdio.h> |
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| 73 | #include <stdlib.h> |
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| 74 | #include <time.h> |
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| 75 | |
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| 76 | |
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| 77 | ///////////////////////////////////////////////////////////////////// |
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| 78 | // Types from Cvconst.h (DIA SDK) |
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| 79 | // |
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| 80 | |
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| 81 | #ifdef _NO_CVCONST_H |
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| 82 | |
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| 83 | typedef enum _BasicType |
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| 84 | { |
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| 85 | btNoType = 0, |
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| 86 | btVoid = 1, |
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| 87 | btChar = 2, |
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| 88 | btWChar = 3, |
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| 89 | btInt = 6, |
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| 90 | btUInt = 7, |
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| 91 | btFloat = 8, |
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| 92 | btBCD = 9, |
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| 93 | btBool = 10, |
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| 94 | btLong = 13, |
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| 95 | btULong = 14, |
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| 96 | btCurrency = 25, |
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| 97 | btDate = 26, |
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| 98 | btVariant = 27, |
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| 99 | btComplex = 28, |
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| 100 | btBit = 29, |
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| 101 | btBSTR = 30, |
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| 102 | btHresult = 31 |
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| 103 | } BasicType; |
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| 104 | |
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| 105 | typedef enum _UdtKind |
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| 106 | { |
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| 107 | UdtStruct, |
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| 108 | UdtClass, |
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| 109 | UdtUnion |
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| 110 | } UdtKind; |
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| 111 | |
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| 112 | typedef enum _SymTag { |
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| 113 | SymTagNull = 0, |
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| 114 | SymTagExe = 1, |
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| 115 | SymTagCompiland = 2, |
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| 116 | SymTagCompilandDetails = 3, |
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| 117 | SymTagCompilandEnv = 4, |
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| 118 | SymTagFunction = 5, |
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| 119 | SymTagBlock = 6, |
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| 120 | SymTagData = 7, |
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| 121 | SymTagAnnotation = 8, |
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| 122 | SymTagLabel = 9, |
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| 123 | SymTagPublicSymbol = 10, |
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| 124 | SymTagUDT = 11, |
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| 125 | SymTagEnum = 12, |
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| 126 | SymTagFunctionType = 13, |
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| 127 | SymTagPointerType = 14, |
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| 128 | SymTagArrayType = 15, |
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| 129 | SymTagBaseType = 16, |
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| 130 | SymTagTypedef = 17, |
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| 131 | SymTagBaseClass = 18, |
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| 132 | SymTagFriend = 19, |
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| 133 | SymTagFunctionArgType = 20, |
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| 134 | SymTagFuncDebugStart = 21, |
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| 135 | SymTagFuncDebugEnd = 22, |
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| 136 | SymTagUsingNamespace = 23, |
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| 137 | SymTagVTableShape = 24, |
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| 138 | SymTagVTable = 25, |
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| 139 | SymTagCustom = 26, |
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| 140 | SymTagThunk = 27, |
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| 141 | SymTagCustomType = 28, |
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| 142 | SymTagManagedType = 29, |
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| 143 | SymTagDimension = 30 |
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| 144 | } SymTag; |
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| 145 | |
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| 146 | #endif /* _NO_CVCONST_H */ |
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| 147 | |
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| 148 | |
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| 149 | ///////////////////////////////////////////////////////////////////// |
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| 150 | // dbghelp function prototypes |
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| 151 | // |
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| 152 | |
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| 153 | typedef BOOL (WINAPI *MINIDUMPWRITEDUMP)( |
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| 154 | HANDLE hProcess, |
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| 155 | DWORD ProcessId, |
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| 156 | HANDLE hFile, |
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| 157 | MINIDUMP_TYPE DumpType, |
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| 158 | CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam, |
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| 159 | CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam, |
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| 160 | CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam |
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| 161 | ); |
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| 162 | typedef BOOL (WINAPI *SYMINITIALIZE)( |
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| 163 | HANDLE hProcess, |
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| 164 | PSTR UserSearchPath, |
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| 165 | BOOL fInvadeProcess |
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| 166 | ); |
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| 167 | typedef DWORD (WINAPI *SYMSETOPTIONS)( |
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| 168 | DWORD SymOptions |
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| 169 | ); |
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| 170 | typedef DWORD (WINAPI *SYMGETOPTIONS)( |
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| 171 | VOID |
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| 172 | ); |
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| 173 | typedef BOOL (WINAPI *SYMCLEANUP)( |
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| 174 | HANDLE hProcess |
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| 175 | ); |
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| 176 | typedef BOOL (WINAPI *SYMGETTYPEINFO)( |
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| 177 | HANDLE hProcess, |
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| 178 | DWORD64 ModBase, |
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| 179 | ULONG TypeId, |
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| 180 | IMAGEHLP_SYMBOL_TYPE_INFO GetType, |
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| 181 | PVOID pInfo |
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| 182 | ); |
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| 183 | typedef BOOL (WINAPI *SYMGETLINEFROMADDR)( |
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| 184 | HANDLE hProcess, |
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| 185 | DWORD dwAddr, |
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| 186 | PDWORD pdwDisplacement, |
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| 187 | PIMAGEHLP_LINE Line |
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| 188 | ); |
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| 189 | typedef BOOL (WINAPI *SYMENUMSYMBOLS)( |
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| 190 | HANDLE hProcess, |
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| 191 | ULONG64 BaseOfDll, |
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| 192 | PCSTR Mask, |
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| 193 | PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback, |
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| 194 | PVOID UserContext |
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| 195 | ); |
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| 196 | typedef BOOL (WINAPI *SYMSETCONTEXT)( |
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| 197 | HANDLE hProcess, |
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| 198 | PIMAGEHLP_STACK_FRAME StackFrame, |
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| 199 | PIMAGEHLP_CONTEXT Context |
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| 200 | ); |
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| 201 | typedef BOOL (WINAPI *SYMFROMADDR)( |
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| 202 | HANDLE hProcess, |
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| 203 | DWORD64 Address, |
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| 204 | PDWORD64 Displacement, |
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| 205 | PSYMBOL_INFO Symbol |
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| 206 | ); |
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| 207 | typedef BOOL (WINAPI *STACKWALK)( |
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| 208 | DWORD MachineType, |
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| 209 | HANDLE hProcess, |
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| 210 | HANDLE hThread, |
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| 211 | LPSTACKFRAME StackFrame, |
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| 212 | PVOID ContextRecord, |
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| 213 | PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine, |
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| 214 | PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine, |
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| 215 | PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine, |
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| 216 | PTRANSLATE_ADDRESS_ROUTINE TranslateAddress |
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| 217 | ); |
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| 218 | typedef PVOID (WINAPI *SYMFUNCTIONTABLEACCESS)( |
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| 219 | HANDLE hProcess, |
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| 220 | DWORD AddrBase |
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| 221 | ); |
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| 222 | typedef DWORD (WINAPI *SYMGETMODULEBASE)( |
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| 223 | HANDLE hProcess, |
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| 224 | DWORD dwAddr |
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| 225 | ); |
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| 226 | |
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| 227 | |
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| 228 | ///////////////////////////////////////////////////////////////////// |
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| 229 | // Custom info |
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| 230 | |
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| 231 | /// Internal structure used to pass some data around |
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| 232 | typedef struct _InternalData { |
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| 233 | // PrintStacktrace |
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| 234 | FILE* log_file; |
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| 235 | STACKFRAME* pStackframe; |
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| 236 | HANDLE hProcess; |
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| 237 | DWORD nr_of_frame; |
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| 238 | |
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| 239 | // PrintFunctionDetail |
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| 240 | BOOL as_arg_list; |
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| 241 | BOOL log_params; |
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| 242 | BOOL log_locals; |
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| 243 | BOOL log_globals; |
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| 244 | DWORD nr_of_var; |
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| 245 | |
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| 246 | // PrintDataInfo |
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| 247 | ULONG64 modBase; |
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| 248 | } InterData; |
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| 249 | |
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| 250 | /// dbghelp dll filename |
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| 251 | #define DBGHELP_DLL "dbghelp.dll" |
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| 252 | |
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| 253 | // Default report filename, used when the module path is unavailable |
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| 254 | #define DBG_DEFAULT_FILENAME "athena" |
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| 255 | |
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| 256 | // Extended information printed in the console |
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| 257 | #define DBG_EXTENDED_INFORMATION \ |
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| 258 | "Please report the crash in the bug tracker:\n" \ |
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| 259 | "http://www.eathena.ws/board/index.php?autocom=bugtracker\n" |
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| 260 | |
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| 261 | |
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| 262 | ///////////////////////////////////////////////////////////////////// |
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| 263 | // Global variables |
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| 264 | |
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| 265 | HANDLE dbghelp_dll = INVALID_HANDLE_VALUE; |
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| 266 | MINIDUMPWRITEDUMP MiniDumpWriteDump_ = NULL; |
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| 267 | SYMINITIALIZE SymInitialize_ = NULL; |
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| 268 | SYMSETOPTIONS SymSetOptions_ = NULL; |
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| 269 | SYMGETOPTIONS SymGetOptions_ = NULL; |
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| 270 | SYMCLEANUP SymCleanup_ = NULL; |
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| 271 | SYMGETTYPEINFO SymGetTypeInfo_ = NULL; |
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| 272 | SYMGETLINEFROMADDR SymGetLineFromAddr_ = NULL; |
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| 273 | SYMENUMSYMBOLS SymEnumSymbols_ = NULL; |
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| 274 | SYMSETCONTEXT SymSetContext_ = NULL; |
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| 275 | SYMFROMADDR SymFromAddr_ = NULL; |
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| 276 | STACKWALK StackWalk_ = NULL; |
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| 277 | SYMFUNCTIONTABLEACCESS SymFunctionTableAccess_ = NULL; |
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| 278 | SYMGETMODULEBASE SymGetModuleBase_ = NULL; |
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| 279 | |
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| 280 | |
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| 281 | |
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| 282 | ///////////////////////////////////////////////////////////////////// |
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| 283 | // Code |
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| 284 | |
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| 285 | |
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| 286 | /// Writes the minidump to file. The callback function will at the |
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| 287 | /// same time write the list of modules to the log file. |
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| 288 | /// |
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| 289 | /// @param file Filename of the minidump |
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| 290 | /// @param ptrs Exception info |
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| 291 | /// @param module_callback Callback for MiniDumpWriteDump |
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| 292 | /// @param log_file Log file |
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| 293 | static VOID |
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| 294 | Dhp__WriteMinidumpFile( |
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| 295 | const char* file, |
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| 296 | PEXCEPTION_POINTERS ptrs, |
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| 297 | MINIDUMP_CALLBACK_ROUTINE module_callback, |
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| 298 | FILE* log_file) |
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| 299 | { |
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| 300 | // open minidump file |
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| 301 | HANDLE minidump_file = CreateFileA( |
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| 302 | file, |
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| 303 | GENERIC_WRITE, |
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| 304 | 0, |
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| 305 | NULL, |
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| 306 | CREATE_ALWAYS, |
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| 307 | FILE_ATTRIBUTE_NORMAL, |
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| 308 | NULL |
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| 309 | ); |
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| 310 | |
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| 311 | if( minidump_file != INVALID_HANDLE_VALUE ) |
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| 312 | { |
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| 313 | MINIDUMP_EXCEPTION_INFORMATION expt_info; |
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| 314 | MINIDUMP_CALLBACK_INFORMATION dump_cb_info; |
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| 315 | |
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| 316 | expt_info.ThreadId = GetCurrentThreadId(); |
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| 317 | expt_info.ExceptionPointers = ptrs; |
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| 318 | expt_info.ClientPointers = FALSE; |
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| 319 | |
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| 320 | dump_cb_info.CallbackRoutine = module_callback; |
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| 321 | dump_cb_info.CallbackParam = (void*)log_file; |
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| 322 | |
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| 323 | if( module_callback != NULL && log_file != NULL ) |
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| 324 | fprintf(log_file, "\n\nLoaded modules:\n"); |
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| 325 | |
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| 326 | MiniDumpWriteDump_( |
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| 327 | GetCurrentProcess(), |
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| 328 | GetCurrentProcessId(), |
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| 329 | minidump_file, |
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| 330 | MiniDumpNormal, |
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| 331 | ptrs ? &expt_info : NULL, |
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| 332 | NULL, |
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| 333 | &dump_cb_info |
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| 334 | ); |
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| 335 | |
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| 336 | CloseHandle(minidump_file); |
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| 337 | } |
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| 338 | } |
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| 339 | |
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| 340 | |
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| 341 | /// Prints module information to the log file. |
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| 342 | /// Used as a callback to MiniDumpWriteDump. |
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| 343 | /// |
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| 344 | /// @param data Log file |
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| 345 | /// @param callback_input |
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| 346 | /// @param callback_output |
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| 347 | /// @return |
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| 348 | static BOOL CALLBACK |
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| 349 | Dhp__PrintModuleInfoCallback( |
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| 350 | void* data, |
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| 351 | CONST PMINIDUMP_CALLBACK_INPUT callback_input, |
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| 352 | PMINIDUMP_CALLBACK_OUTPUT callback_output) |
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| 353 | { |
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| 354 | if( data != NULL && |
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| 355 | callback_input != NULL && |
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| 356 | callback_input->CallbackType == ModuleCallback) |
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| 357 | { |
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| 358 | FILE* log_file = (FILE*)data; |
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| 359 | MINIDUMP_MODULE_CALLBACK module = callback_input->Module; |
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| 360 | |
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| 361 | fprintf(log_file, "0x%p", module.BaseOfImage); |
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| 362 | |
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| 363 | fprintf(log_file, " %ws", module.FullPath, log_file); |
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| 364 | |
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| 365 | fprintf(log_file, " (%d.%d.%d.%d, %d bytes)\n", |
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| 366 | HIWORD(module.VersionInfo.dwFileVersionMS), |
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| 367 | LOWORD(module.VersionInfo.dwFileVersionMS), |
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| 368 | HIWORD(module.VersionInfo.dwFileVersionLS), |
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| 369 | LOWORD(module.VersionInfo.dwFileVersionLS), |
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| 370 | module.SizeOfImage); |
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| 371 | } |
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| 372 | |
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| 373 | return TRUE; |
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| 374 | } |
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| 375 | |
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| 376 | |
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| 377 | /// Prints details about the current process, platform and exception |
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| 378 | /// information to the log file. |
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| 379 | /// |
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| 380 | /// @param exception Exception info |
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| 381 | /// @param context Exception context |
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| 382 | /// @param log_file Log file |
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| 383 | static VOID |
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| 384 | Dhp__PrintProcessInfo( |
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| 385 | EXCEPTION_RECORD* exception, |
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| 386 | CONTEXT* context, |
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| 387 | FILE* log_file) |
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| 388 | { |
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| 389 | OSVERSIONINFOA oi; |
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| 390 | LPSTR cmd_line; |
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| 391 | |
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| 392 | fprintf(log_file, |
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| 393 | "\nProcess info:\n"); |
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| 394 | |
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| 395 | // print the command line |
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| 396 | cmd_line = GetCommandLineA(); |
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| 397 | if( cmd_line ) |
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| 398 | fprintf(log_file, |
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| 399 | "Cmd line: %s\n", |
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| 400 | cmd_line); |
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| 401 | |
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| 402 | // print information about the OS |
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| 403 | oi.dwOSVersionInfoSize = sizeof(oi); |
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| 404 | GetVersionExA(&oi); |
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| 405 | fprintf(log_file, |
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| 406 | "Platform: Windows OS version %d.%d build %d %s\n", |
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| 407 | oi.dwMajorVersion, oi.dwMinorVersion, oi.dwBuildNumber, oi.szCSDVersion); |
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| 408 | |
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| 409 | // print the exception code |
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| 410 | if( exception ) |
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| 411 | { |
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| 412 | fprintf(log_file, |
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| 413 | "\nException:\n" |
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| 414 | "0x%x", |
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| 415 | exception->ExceptionCode); |
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| 416 | switch( exception->ExceptionCode ) |
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| 417 | { |
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| 418 | #define PRINT(x) case x: fprintf(log_file, " "#x); break |
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| 419 | PRINT(EXCEPTION_ACCESS_VIOLATION); |
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| 420 | PRINT(EXCEPTION_DATATYPE_MISALIGNMENT); |
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| 421 | PRINT(EXCEPTION_BREAKPOINT); |
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| 422 | PRINT(EXCEPTION_SINGLE_STEP); |
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| 423 | PRINT(EXCEPTION_ARRAY_BOUNDS_EXCEEDED); |
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| 424 | PRINT(EXCEPTION_FLT_DENORMAL_OPERAND); |
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| 425 | PRINT(EXCEPTION_FLT_DIVIDE_BY_ZERO); |
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| 426 | PRINT(EXCEPTION_FLT_INEXACT_RESULT); |
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| 427 | PRINT(EXCEPTION_FLT_INVALID_OPERATION); |
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| 428 | PRINT(EXCEPTION_FLT_OVERFLOW); |
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| 429 | PRINT(EXCEPTION_FLT_STACK_CHECK); |
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| 430 | PRINT(EXCEPTION_FLT_UNDERFLOW); |
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| 431 | PRINT(EXCEPTION_INT_DIVIDE_BY_ZERO); |
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| 432 | PRINT(EXCEPTION_INT_OVERFLOW); |
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| 433 | PRINT(EXCEPTION_PRIV_INSTRUCTION); |
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| 434 | PRINT(EXCEPTION_IN_PAGE_ERROR); |
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| 435 | PRINT(EXCEPTION_ILLEGAL_INSTRUCTION); |
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| 436 | PRINT(EXCEPTION_NONCONTINUABLE_EXCEPTION); |
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| 437 | PRINT(EXCEPTION_STACK_OVERFLOW); |
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| 438 | PRINT(EXCEPTION_INVALID_DISPOSITION); |
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| 439 | PRINT(EXCEPTION_GUARD_PAGE); |
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| 440 | PRINT(EXCEPTION_INVALID_HANDLE); |
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| 441 | #undef PRINT |
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| 442 | } |
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| 443 | |
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| 444 | // print where the fault occured |
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| 445 | fprintf(log_file, " at location 0x%p", exception->ExceptionAddress); |
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| 446 | |
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| 447 | // if the exception was an access violation, print additional information |
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| 448 | if( exception->ExceptionCode == EXCEPTION_ACCESS_VIOLATION && exception->NumberParameters >= 2 ) |
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| 449 | fprintf(log_file, " %s location 0x%p", exception->ExceptionInformation[0] ? "writing to" : "reading from", exception->ExceptionInformation[1]); |
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| 450 | |
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| 451 | fprintf(log_file, "\n"); |
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| 452 | } |
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| 453 | |
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| 454 | // print the register info |
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| 455 | if( context ) |
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| 456 | { |
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| 457 | #if defined(_M_IX86) |
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| 458 | fprintf(log_file, |
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| 459 | "\nRegisters:\n"); |
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| 460 | if( context->ContextFlags & CONTEXT_INTEGER ) |
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| 461 | { |
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| 462 | fprintf(log_file, |
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| 463 | "eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\n", |
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| 464 | context->Eax, context->Ebx, context->Ecx, |
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| 465 | context->Edx, context->Esi, context->Edi); |
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| 466 | } |
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| 467 | if( context->ContextFlags & CONTEXT_CONTROL ) |
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| 468 | { |
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| 469 | fprintf(log_file, |
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| 470 | "eip=%08x esp=%08x ebp=%08x iopl=%1x %s %s %s %s %s %s %s %s %s %s\n", |
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| 471 | context->Eip, context->Esp, context->Ebp, |
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| 472 | (context->EFlags >> 12) & 3, // IOPL level value |
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| 473 | context->EFlags & 0x00100000 ? "vip" : " ", // VIP (virtual interrupt pending) |
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| 474 | context->EFlags & 0x00080000 ? "vif" : " ", // VIF (virtual interrupt flag) |
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| 475 | context->EFlags & 0x00000800 ? "ov" : "nv", // VIF (virtual interrupt flag) |
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| 476 | context->EFlags & 0x00000400 ? "dn" : "up", // OF (overflow flag) |
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| 477 | context->EFlags & 0x00000200 ? "ei" : "di", // IF (interrupt enable flag) |
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| 478 | context->EFlags & 0x00000080 ? "ng" : "pl", // SF (sign flag) |
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| 479 | context->EFlags & 0x00000040 ? "zr" : "nz", // ZF (zero flag) |
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| 480 | context->EFlags & 0x00000010 ? "ac" : "na", // AF (aux carry flag) |
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| 481 | context->EFlags & 0x00000004 ? "po" : "pe", // PF (parity flag) |
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| 482 | context->EFlags & 0x00000001 ? "cy" : "nc"); // CF (carry flag) |
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| 483 | } |
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| 484 | if( context->ContextFlags & CONTEXT_SEGMENTS ) |
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| 485 | { |
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| 486 | fprintf(log_file, |
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| 487 | "cs=%04x ss=%04x ds=%04x es=%04x fs=%04x gs=%04x", |
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| 488 | context->SegCs, |
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| 489 | context->SegSs, |
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| 490 | context->SegDs, |
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| 491 | context->SegEs, |
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| 492 | context->SegFs, |
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| 493 | context->SegGs, |
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| 494 | context->EFlags); |
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| 495 | if( context->ContextFlags & CONTEXT_CONTROL ) |
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| 496 | fprintf(log_file, |
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| 497 | " efl=%08x", |
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| 498 | context->EFlags); |
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| 499 | fprintf(log_file, "\n"); |
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| 500 | } |
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| 501 | else if( context->ContextFlags & CONTEXT_CONTROL ) |
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| 502 | fprintf(log_file, |
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| 503 | " efl=%08x\n", |
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| 504 | context->EFlags); |
---|
| 505 | #else /* defined(_M_IX86) */ |
---|
| 506 | //TODO add more processors |
---|
| 507 | #endif |
---|
| 508 | } |
---|
| 509 | } |
---|
| 510 | |
---|
| 511 | |
---|
| 512 | /// Prints the typename of the symbol. |
---|
| 513 | /// |
---|
| 514 | /// @param typeIndex Type index of the symbol |
---|
| 515 | /// @param symtag Symbol tag |
---|
| 516 | /// @param withParens If brackets are printed around the typename |
---|
| 517 | /// @param interData Inter data |
---|
| 518 | static VOID |
---|
| 519 | Dhp__PrintTypeName( |
---|
| 520 | DWORD typeIndex, |
---|
| 521 | DWORD symtag, |
---|
| 522 | BOOL withParens, |
---|
| 523 | InterData* interData) |
---|
| 524 | { |
---|
| 525 | // inter data |
---|
| 526 | FILE* log_file; |
---|
| 527 | HANDLE hProcess; |
---|
| 528 | ULONG64 modBase; |
---|
| 529 | // |
---|
| 530 | assert( interData != NULL ); |
---|
| 531 | log_file = interData->log_file; |
---|
| 532 | hProcess = interData->hProcess; |
---|
| 533 | modBase = interData->modBase; |
---|
| 534 | |
---|
| 535 | if( withParens ) |
---|
| 536 | fprintf(log_file, "("); |
---|
| 537 | |
---|
| 538 | switch( symtag ) |
---|
| 539 | { |
---|
| 540 | case SymTagEnum: |
---|
| 541 | { |
---|
| 542 | WCHAR* pwszTypeName; |
---|
| 543 | |
---|
| 544 | if( SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_SYMNAME, &pwszTypeName) ) |
---|
| 545 | { |
---|
| 546 | fprintf(log_file, "enum %ls", pwszTypeName); |
---|
| 547 | LocalFree(pwszTypeName); |
---|
| 548 | } |
---|
| 549 | else |
---|
| 550 | fprintf(log_file, "enum <symname not found>"); |
---|
| 551 | } |
---|
| 552 | break; |
---|
| 553 | case SymTagBaseType: |
---|
| 554 | { |
---|
| 555 | DWORD basetype; |
---|
| 556 | ULONG64 length = 0; |
---|
| 557 | |
---|
| 558 | SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_LENGTH, &length); |
---|
| 559 | if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_BASETYPE, &basetype) ) |
---|
| 560 | { |
---|
| 561 | fprintf(log_file, "<basetype not found>"); |
---|
| 562 | break; |
---|
| 563 | } |
---|
| 564 | switch( basetype ) |
---|
| 565 | { |
---|
| 566 | case btVoid: fprintf(log_file, "void"); break; |
---|
| 567 | case btChar: fprintf(log_file, "char"); break; |
---|
| 568 | case btWChar: fprintf(log_file, "wchar"); break; |
---|
| 569 | case btULong: fprintf(log_file, "unsigned "); // next |
---|
| 570 | case btLong: fprintf(log_file, "long"); break; |
---|
| 571 | case btUInt: fprintf(log_file, "unsigned "); // next |
---|
| 572 | case btInt: |
---|
| 573 | if( length == sizeof(char) ) fprintf(log_file, "char"); |
---|
| 574 | else if( length == sizeof(short) ) fprintf(log_file, "short"); |
---|
| 575 | else if( length == sizeof(int) ) fprintf(log_file, "int"); |
---|
| 576 | else if( length == sizeof(long long) ) fprintf(log_file, "long long"); |
---|
| 577 | else fprintf(log_file, "<int%d>", length*8); |
---|
| 578 | break; |
---|
| 579 | case btFloat: |
---|
| 580 | if( length == sizeof(float) ) fprintf(log_file, "float"); |
---|
| 581 | else if( length == sizeof(double) ) fprintf(log_file, "double"); |
---|
| 582 | else if( length == sizeof(long double) ) fprintf(log_file, "long double"); |
---|
| 583 | else fprintf(log_file, "<float%d>", length*8); |
---|
| 584 | break; |
---|
| 585 | default: fprintf(log_file, "<TODO name of basetype %d %d>", basetype, length); break; |
---|
| 586 | } |
---|
| 587 | } |
---|
| 588 | break; |
---|
| 589 | case SymTagPointerType: |
---|
| 590 | { |
---|
| 591 | DWORD subtype; |
---|
| 592 | DWORD subtag; |
---|
| 593 | |
---|
| 594 | if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_TYPE, &subtype) ) |
---|
| 595 | fprintf(log_file, "<type not found>*"); |
---|
| 596 | else if( !SymGetTypeInfo_(hProcess, modBase, subtype, TI_GET_SYMTAG, &subtag) ) |
---|
| 597 | fprintf(log_file, "<symtag not found>*"); |
---|
| 598 | else |
---|
| 599 | { |
---|
| 600 | Dhp__PrintTypeName(subtype, subtag, FALSE, interData); |
---|
| 601 | fprintf(log_file, "*"); |
---|
| 602 | } |
---|
| 603 | } |
---|
| 604 | break; |
---|
| 605 | case SymTagArrayType: |
---|
| 606 | { |
---|
| 607 | DWORD childTypeIndex; |
---|
| 608 | DWORD childSymtag; |
---|
| 609 | |
---|
| 610 | // print root type |
---|
| 611 | childTypeIndex = typeIndex; |
---|
| 612 | childSymtag = symtag; |
---|
| 613 | for( ; ; ) |
---|
| 614 | { |
---|
| 615 | if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_TYPE, &childTypeIndex) ) |
---|
| 616 | { |
---|
| 617 | fprintf(log_file, "<child type not found>"); |
---|
| 618 | break; |
---|
| 619 | } |
---|
| 620 | if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_SYMTAG, &childSymtag) ) |
---|
| 621 | { |
---|
| 622 | fprintf(log_file, "<child symtag not found>"); |
---|
| 623 | break; |
---|
| 624 | } |
---|
| 625 | if( childSymtag != SymTagArrayType ) |
---|
| 626 | { |
---|
| 627 | Dhp__PrintTypeName(childTypeIndex, childSymtag, FALSE, interData); |
---|
| 628 | break; |
---|
| 629 | } |
---|
| 630 | // next dimension |
---|
| 631 | } |
---|
| 632 | // print dimensions |
---|
| 633 | childTypeIndex = typeIndex; |
---|
| 634 | childSymtag = symtag; |
---|
| 635 | for( ; childSymtag == SymTagArrayType ; ) |
---|
| 636 | { |
---|
| 637 | DWORD childCount; |
---|
| 638 | if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_COUNT, &childCount) ) |
---|
| 639 | fprintf(log_file, "[<count not found>]"); |
---|
| 640 | else |
---|
| 641 | fprintf(log_file, "[%u]", childCount); |
---|
| 642 | if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_TYPE, &childTypeIndex) ) |
---|
| 643 | { |
---|
| 644 | fprintf(log_file, "<child type not found>"); |
---|
| 645 | break; |
---|
| 646 | } |
---|
| 647 | if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_SYMTAG, &childSymtag) ) |
---|
| 648 | { |
---|
| 649 | fprintf(log_file, "<child symtag not found>"); |
---|
| 650 | break; |
---|
| 651 | } |
---|
| 652 | // next dimension |
---|
| 653 | } |
---|
| 654 | } |
---|
| 655 | break; |
---|
| 656 | default: |
---|
| 657 | { |
---|
| 658 | WCHAR* pSymname; |
---|
| 659 | DWORD udtkind; |
---|
| 660 | |
---|
| 661 | if( SymGetTypeInfo_( hProcess, modBase, typeIndex, TI_GET_UDTKIND, &udtkind) ) |
---|
| 662 | { |
---|
| 663 | switch( (UdtKind)udtkind ) |
---|
| 664 | { |
---|
| 665 | case UdtStruct: fprintf(log_file, "struct "); break; |
---|
| 666 | case UdtClass: fprintf(log_file, "class "); break; |
---|
| 667 | case UdtUnion: fprintf(log_file, "union "); break; |
---|
| 668 | default: fprintf(log_file, "<unknown udtkind %d> ", udtkind); break; |
---|
| 669 | } |
---|
| 670 | } |
---|
| 671 | if( SymGetTypeInfo_( hProcess, modBase, typeIndex, TI_GET_SYMNAME, &pSymname ) ) |
---|
| 672 | { |
---|
| 673 | fprintf(log_file, "%ls", pSymname); |
---|
| 674 | LocalFree( pSymname ); |
---|
| 675 | } |
---|
| 676 | else |
---|
| 677 | fprintf(log_file, "<TODO typename of symtag %d>", symtag); break; |
---|
| 678 | } |
---|
| 679 | break; |
---|
| 680 | } |
---|
| 681 | |
---|
| 682 | if( withParens ) |
---|
| 683 | fprintf(log_file, ")"); |
---|
| 684 | } |
---|
| 685 | |
---|
| 686 | |
---|
| 687 | /// Prints the bytes in the target location. |
---|
| 688 | /// |
---|
| 689 | /// @param log_file Log file |
---|
| 690 | /// @param p Pointer to the data |
---|
| 691 | /// @param length Length of the data in bytes |
---|
| 692 | static VOID |
---|
| 693 | Dhp__PrintValueBytes( |
---|
| 694 | FILE* log_file, |
---|
| 695 | BYTE* p, |
---|
| 696 | ULONG64 length) |
---|
| 697 | { |
---|
| 698 | ULONG64 i; |
---|
| 699 | |
---|
| 700 | fprintf(log_file, "<bytes:"); |
---|
| 701 | for( i = 0; i < length; ++i ) |
---|
| 702 | { |
---|
| 703 | fprintf(log_file, "%02X", p[i]); |
---|
| 704 | } |
---|
| 705 | fprintf(log_file, ">"); |
---|
| 706 | } |
---|
| 707 | |
---|
| 708 | |
---|
| 709 | /// Prints a wide string/char value. |
---|
| 710 | /// |
---|
| 711 | /// @param log_file Log file |
---|
| 712 | /// @param p Pointer to the value |
---|
| 713 | /// @param length Length of the value in bytes |
---|
| 714 | static VOID |
---|
| 715 | Dhp__PrintValueWideChars( |
---|
| 716 | FILE* log_file, |
---|
| 717 | WCHAR* wstr, |
---|
| 718 | ULONG64 length, |
---|
| 719 | BOOL isString) |
---|
| 720 | { |
---|
| 721 | ULONG64 i; |
---|
| 722 | char* buf; |
---|
| 723 | char delim; |
---|
| 724 | |
---|
| 725 | length /= sizeof(WCHAR); |
---|
| 726 | delim = ( isString || length > 1 ? '\"' : '\'' ); |
---|
| 727 | fprintf(log_file, "%c", delim); |
---|
| 728 | buf = (char *)LocalAlloc(LMEM_FIXED, MB_CUR_MAX+1); |
---|
| 729 | buf[MB_CUR_MAX] = '\0'; |
---|
| 730 | for( i = 0; i < length; ++i ) |
---|
| 731 | { |
---|
| 732 | int n; |
---|
| 733 | switch( wstr[i] ) |
---|
| 734 | { |
---|
| 735 | case L'\"': fprintf(log_file, "\\\""); break; |
---|
| 736 | case L'\'': fprintf(log_file, "\\\'"); break; |
---|
| 737 | case L'\\': fprintf(log_file, "\\\\"); break; |
---|
| 738 | case L'\a': fprintf(log_file, "\\a"); break; |
---|
| 739 | case L'\b': fprintf(log_file, "\\b"); break; |
---|
| 740 | case L'\f': fprintf(log_file, "\\f"); break; |
---|
| 741 | case L'\n': fprintf(log_file, "\\n"); break; |
---|
| 742 | case L'\r': fprintf(log_file, "\\r"); break; |
---|
| 743 | case L'\t': fprintf(log_file, "\\t"); break; |
---|
| 744 | case L'\v': fprintf(log_file, "\\v"); break; |
---|
| 745 | default: |
---|
| 746 | if( iswprint(wstr[i]) && (n=wctomb(buf, wstr[i])) > 0 ) |
---|
| 747 | { |
---|
| 748 | buf[n] = '\0'; |
---|
| 749 | fprintf(log_file, "%s", buf); |
---|
| 750 | } |
---|
| 751 | else fprintf(log_file, "\\u%04X", wstr[i]); |
---|
| 752 | break; |
---|
| 753 | } |
---|
| 754 | } |
---|
| 755 | LocalFree(buf); |
---|
| 756 | fprintf(log_file, "%c", delim); |
---|
| 757 | } |
---|
| 758 | |
---|
| 759 | |
---|
| 760 | /// Prints a string/char value. |
---|
| 761 | /// |
---|
| 762 | /// @param log_file Log file |
---|
| 763 | /// @param p Pointer to the value |
---|
| 764 | /// @param length Length of the value in bytes |
---|
| 765 | static VOID |
---|
| 766 | Dhp__PrintValueChars( |
---|
| 767 | FILE* log_file, |
---|
| 768 | char* str, |
---|
| 769 | ULONG64 length, |
---|
| 770 | BOOL isString) |
---|
| 771 | { |
---|
| 772 | ULONG64 i; |
---|
| 773 | char delim; |
---|
| 774 | |
---|
| 775 | length /= sizeof(char); |
---|
| 776 | delim = ( isString || length > 1 ? '\"' : '\'' ); |
---|
| 777 | fprintf(log_file, "%c", delim); |
---|
| 778 | for( i = 0; i < length; ++i ) |
---|
| 779 | { |
---|
| 780 | switch( str[i] ) |
---|
| 781 | { |
---|
| 782 | case '\"': fprintf(log_file, "\\\""); break; |
---|
| 783 | case '\'': fprintf(log_file, "\\\'"); break; |
---|
| 784 | case '\\': fprintf(log_file, "\\\\"); break; |
---|
| 785 | case '\a': fprintf(log_file, "\\a"); break; |
---|
| 786 | case '\b': fprintf(log_file, "\\b"); break; |
---|
| 787 | case '\f': fprintf(log_file, "\\f"); break; |
---|
| 788 | case '\n': fprintf(log_file, "\\n"); break; |
---|
| 789 | case '\r': fprintf(log_file, "\\r"); break; |
---|
| 790 | case '\t': fprintf(log_file, "\\t"); break; |
---|
| 791 | case '\v': fprintf(log_file, "\\v"); break; |
---|
| 792 | default: |
---|
| 793 | if( isprint((unsigned char)str[i]) ) fprintf(log_file, "%c", str[i]); |
---|
| 794 | else fprintf(log_file, "\\x%02X", (unsigned char)str[i]); |
---|
| 795 | break; |
---|
| 796 | } |
---|
| 797 | } |
---|
| 798 | fprintf(log_file, "%c", delim); |
---|
| 799 | } |
---|
| 800 | |
---|
| 801 | |
---|
| 802 | /// Prints a float value. |
---|
| 803 | /// |
---|
| 804 | /// @param log_file Log file |
---|
| 805 | /// @param p Pointer to the value |
---|
| 806 | /// @param length Length of the value in bytes |
---|
| 807 | static VOID |
---|
| 808 | Dhp__PrintValueFloat( |
---|
| 809 | FILE* log_file, |
---|
| 810 | VOID* p, |
---|
| 811 | ULONG64 length) |
---|
| 812 | { |
---|
| 813 | if( length == sizeof(float) ) fprintf(log_file, "%f", *(float*)p); |
---|
| 814 | else if( length == sizeof(double) ) fprintf(log_file, "%lf", *(double*)p); |
---|
| 815 | else if( length == sizeof(long double) ) fprintf(log_file, "%Lf", *(long double*)p); |
---|
| 816 | else |
---|
| 817 | { |
---|
| 818 | fprintf(log_file, "<unexpected length %I64u>", length); |
---|
| 819 | Dhp__PrintValueBytes(log_file, (BYTE*)p, length); |
---|
| 820 | } |
---|
| 821 | } |
---|
| 822 | |
---|
| 823 | |
---|
| 824 | /// Prints a hex value. |
---|
| 825 | /// |
---|
| 826 | /// @param log_file Log file |
---|
| 827 | /// @param p Pointer to the value |
---|
| 828 | /// @param length Length of the value in bytes |
---|
| 829 | static VOID |
---|
| 830 | Dhp__PrintValueHex( |
---|
| 831 | FILE* log_file, |
---|
| 832 | VOID* p, |
---|
| 833 | ULONG64 length) |
---|
| 834 | { |
---|
| 835 | if( length == sizeof(UINT32) ) fprintf(log_file, "0x%I32X", *(UINT32*)p); |
---|
| 836 | else if( length == sizeof(UINT64) ) fprintf(log_file, "0x%I64X", *(UINT64*)p); |
---|
| 837 | else if( length == sizeof(char) ) fprintf(log_file, "0x%X", *(unsigned char*)p); |
---|
| 838 | else if( length == sizeof(short) ) fprintf(log_file, "0x%X", *(unsigned short*)p); |
---|
| 839 | else if( length == sizeof(int) ) fprintf(log_file, "0x%x", *(unsigned int*)p); |
---|
| 840 | else if( length == sizeof(long) ) fprintf(log_file, "0x%lX", *(unsigned long*)p); |
---|
| 841 | else if( length == sizeof(long long) ) fprintf(log_file, "0x%llX", *(unsigned long long*)p); |
---|
| 842 | else |
---|
| 843 | { |
---|
| 844 | fprintf(log_file, "<unexpected length %I64u>", length); |
---|
| 845 | Dhp__PrintValueBytes(log_file, (BYTE*)p, length); |
---|
| 846 | } |
---|
| 847 | } |
---|
| 848 | |
---|
| 849 | |
---|
| 850 | /// Prints an unsigned integer value. |
---|
| 851 | /// |
---|
| 852 | /// @param log_file Log file |
---|
| 853 | /// @param p Pointer to the value |
---|
| 854 | /// @param length Length of the value in bytes |
---|
| 855 | static VOID |
---|
| 856 | Dhp__PrintValueUnsigned( |
---|
| 857 | FILE* log_file, |
---|
| 858 | VOID* p, |
---|
| 859 | ULONG64 length) |
---|
| 860 | { |
---|
| 861 | if( length == sizeof(INT32) ) fprintf(log_file, "%I32u", *(INT32*)p); |
---|
| 862 | else if( length == sizeof(INT64) ) fprintf(log_file, "%I64u", *(INT64*)p); |
---|
| 863 | else if( length == sizeof(char) ) fprintf(log_file, "%u", *(unsigned char*)p); |
---|
| 864 | else if( length == sizeof(short) ) fprintf(log_file, "%u", *(unsigned short*)p); |
---|
| 865 | else if( length == sizeof(int) ) fprintf(log_file, "%u", *(unsigned int*)p); |
---|
| 866 | else if( length == sizeof(long) ) fprintf(log_file, "%lu", *(unsigned long*)p); |
---|
| 867 | else if( length == sizeof(long long) ) fprintf(log_file, "%llu", *(unsigned long long*)p); |
---|
| 868 | else |
---|
| 869 | { |
---|
| 870 | fprintf(log_file, "<unexpected length %I64u>", length); |
---|
| 871 | Dhp__PrintValueBytes(log_file, (BYTE*)p, length); |
---|
| 872 | } |
---|
| 873 | } |
---|
| 874 | |
---|
| 875 | |
---|
| 876 | /// Prints a signed integer value. |
---|
| 877 | /// |
---|
| 878 | /// @param log_file Log file |
---|
| 879 | /// @param p Pointer to the value |
---|
| 880 | /// @param length Length of the value in bytes |
---|
| 881 | static VOID |
---|
| 882 | Dhp__PrintValueSigned( |
---|
| 883 | FILE* log_file, |
---|
| 884 | VOID* p, |
---|
| 885 | ULONG64 length) |
---|
| 886 | { |
---|
| 887 | if( length == sizeof(INT32) ) fprintf(log_file, "%I32d", *(INT32*)p); |
---|
| 888 | else if( length == sizeof(INT64) ) fprintf(log_file, "%I64d", *(INT64*)p); |
---|
| 889 | else if( length == sizeof(char) ) fprintf(log_file, "%d", *(signed char*)p); |
---|
| 890 | else if( length == sizeof(short) ) fprintf(log_file, "%d", *(signed short*)p); |
---|
| 891 | else if( length == sizeof(int) ) fprintf(log_file, "%d", *(signed int*)p); |
---|
| 892 | else if( length == sizeof(long) ) fprintf(log_file, "%ld", *(signed long*)p); |
---|
| 893 | else if( length == sizeof(long long) ) fprintf(log_file, "%lld", *(signed long long*)p); |
---|
| 894 | else |
---|
| 895 | { |
---|
| 896 | fprintf(log_file, "<unexpected length %I64u>", length); |
---|
| 897 | Dhp__PrintValueBytes(log_file, (BYTE*)p, length); |
---|
| 898 | } |
---|
| 899 | } |
---|
| 900 | |
---|
| 901 | |
---|
| 902 | /// Prints a nul-terminated wide string value. |
---|
| 903 | /// Checks if the memory can be read from. |
---|
| 904 | /// |
---|
| 905 | /// @param log_file Log file |
---|
| 906 | /// @param str Target string |
---|
| 907 | static VOID |
---|
| 908 | Dhp__PrintValueCWideString( |
---|
| 909 | FILE* log_file, |
---|
| 910 | WCHAR* str) |
---|
| 911 | { |
---|
| 912 | ULONG64 length = 0; |
---|
| 913 | |
---|
| 914 | // check if memory is readable |
---|
| 915 | __try |
---|
| 916 | { |
---|
| 917 | while( str[length] != L'\0' ) |
---|
| 918 | ++length; |
---|
| 919 | } |
---|
| 920 | __except( EXCEPTION_EXECUTE_HANDLER ) |
---|
| 921 | { |
---|
| 922 | if( length ) Dhp__PrintValueWideChars(log_file, str, length*sizeof(WCHAR), TRUE); // print readable part |
---|
| 923 | fprintf(log_file, "<invalid memory>"); |
---|
| 924 | return; |
---|
| 925 | } |
---|
| 926 | |
---|
| 927 | // print string |
---|
| 928 | Dhp__PrintValueWideChars(log_file, str, length*sizeof(WCHAR), TRUE); |
---|
| 929 | } |
---|
| 930 | |
---|
| 931 | |
---|
| 932 | /// Prints a nul-terminated string value. |
---|
| 933 | /// Checks if the memory can be read from. |
---|
| 934 | /// |
---|
| 935 | /// @param log_file Log file |
---|
| 936 | /// @param str Target string |
---|
| 937 | static VOID |
---|
| 938 | Dhp__PrintValueCString( |
---|
| 939 | FILE* log_file, |
---|
| 940 | char* str) |
---|
| 941 | { |
---|
| 942 | ULONG64 length = 0; |
---|
| 943 | |
---|
| 944 | assert( log_file != NULL ); |
---|
| 945 | |
---|
| 946 | // check if memory is readable |
---|
| 947 | __try |
---|
| 948 | { |
---|
| 949 | while( str[length] != '\0' ) |
---|
| 950 | ++length; |
---|
| 951 | } |
---|
| 952 | __except( EXCEPTION_EXECUTE_HANDLER ) |
---|
| 953 | { |
---|
| 954 | if( length ) Dhp__PrintValueChars(log_file, str, length*sizeof(char), TRUE); // print readable part |
---|
| 955 | fprintf(log_file, "<invalid memory>"); |
---|
| 956 | return; |
---|
| 957 | } |
---|
| 958 | |
---|
| 959 | // print string |
---|
| 960 | Dhp__PrintValueChars(log_file, str, length*sizeof(char), TRUE); |
---|
| 961 | } |
---|
| 962 | |
---|
| 963 | |
---|
| 964 | // forward declaration of Dhp__PrintDataContents |
---|
| 965 | static VOID Dhp__PrintDataContents(DWORD typeIndex, PVOID pVariable, InterData* interData); |
---|
| 966 | |
---|
| 967 | |
---|
| 968 | /// Prints the value of the data symbol. |
---|
| 969 | /// Checks if the memory can be read from. |
---|
| 970 | /// |
---|
| 971 | /// @param typeIndex Type index of the symbol |
---|
| 972 | /// @param symtag Symbol tag |
---|
| 973 | /// @param pVariable Address to the symbol contents |
---|
| 974 | /// @param pInterData Inter data |
---|
| 975 | static VOID |
---|
| 976 | Dhp__PrintDataValue( |
---|
| 977 | DWORD typeIndex, |
---|
| 978 | DWORD symtag, |
---|
| 979 | PVOID pVariable, |
---|
| 980 | InterData* pInterData) |
---|
| 981 | { |
---|
| 982 | // inter data |
---|
| 983 | FILE* log_file; |
---|
| 984 | DWORD64 modBase; |
---|
| 985 | HANDLE hProcess; |
---|
| 986 | // |
---|
| 987 | ULONG64 length = 0; |
---|
| 988 | DWORD basetype; |
---|
| 989 | BOOL isValid = TRUE; |
---|
| 990 | |
---|
| 991 | assert( pInterData != NULL ); |
---|
| 992 | log_file = pInterData->log_file; |
---|
| 993 | modBase = pInterData->modBase; |
---|
| 994 | hProcess = pInterData->hProcess; |
---|
| 995 | |
---|
| 996 | if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_LENGTH, &length) ) |
---|
| 997 | { |
---|
| 998 | fprintf(log_file, "<unknown data length>"); |
---|
| 999 | return; |
---|
| 1000 | } |
---|
| 1001 | |
---|
| 1002 | // check if memory is readable |
---|
| 1003 | __try |
---|
| 1004 | { |
---|
| 1005 | BYTE* p = (BYTE*)pVariable; |
---|
| 1006 | ULONG i; |
---|
| 1007 | BYTE b = 0; |
---|
| 1008 | for( i = 0; i < length; ++i ) |
---|
| 1009 | b += p[i]; // add to make sure it's not optimized out in release mode |
---|
| 1010 | } |
---|
| 1011 | __except( EXCEPTION_EXECUTE_HANDLER ) |
---|
| 1012 | { |
---|
| 1013 | fprintf(log_file, "<invalid memory>"); |
---|
| 1014 | return; |
---|
| 1015 | } |
---|
| 1016 | |
---|
| 1017 | switch( symtag ) |
---|
| 1018 | { |
---|
| 1019 | case SymTagBaseType: |
---|
| 1020 | { |
---|
| 1021 | if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_BASETYPE, &basetype) ) |
---|
| 1022 | { |
---|
| 1023 | fprintf(log_file, "<basetype not found>"); |
---|
| 1024 | Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length); |
---|
| 1025 | break; |
---|
| 1026 | } |
---|
| 1027 | switch( basetype ) |
---|
| 1028 | { |
---|
| 1029 | case btInt: |
---|
| 1030 | case btLong: |
---|
| 1031 | Dhp__PrintValueSigned(log_file, pVariable, length); |
---|
| 1032 | break; |
---|
| 1033 | case btUInt: |
---|
| 1034 | case btULong: |
---|
| 1035 | Dhp__PrintValueUnsigned(log_file, pVariable, length); |
---|
| 1036 | break; |
---|
| 1037 | case btFloat: |
---|
| 1038 | Dhp__PrintValueFloat(log_file, pVariable, length); |
---|
| 1039 | break; |
---|
| 1040 | case btChar: |
---|
| 1041 | { |
---|
| 1042 | if( length == sizeof(char) ) fprintf(log_file, "%u ", *(unsigned char*)pVariable); |
---|
| 1043 | Dhp__PrintValueChars(log_file, (char*)pVariable, length, FALSE); |
---|
| 1044 | } |
---|
| 1045 | break; |
---|
| 1046 | case btWChar: |
---|
| 1047 | { |
---|
| 1048 | if( length == sizeof(WCHAR) ) fprintf(log_file, "%u ", *(WCHAR*)pVariable); |
---|
| 1049 | Dhp__PrintValueWideChars(log_file, (WCHAR*)pVariable, length, FALSE); |
---|
| 1050 | } |
---|
| 1051 | break; |
---|
| 1052 | case btVoid: |
---|
| 1053 | if( length > 0 ) Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length); |
---|
| 1054 | break; |
---|
| 1055 | default: |
---|
| 1056 | fprintf(log_file, "<TODO value of basetype %d>", basetype); |
---|
| 1057 | Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length); |
---|
| 1058 | break; |
---|
| 1059 | } |
---|
| 1060 | } |
---|
| 1061 | break; |
---|
| 1062 | case SymTagEnum: |
---|
| 1063 | Dhp__PrintValueHex(log_file, pVariable, length); |
---|
| 1064 | break; |
---|
| 1065 | case SymTagPointerType: |
---|
| 1066 | { |
---|
| 1067 | DWORD childTypeIndex; |
---|
| 1068 | DWORD childSymtag; |
---|
| 1069 | |
---|
| 1070 | fprintf(log_file, "0x%p", *(void**)pVariable); |
---|
| 1071 | if( SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_TYPE, &childTypeIndex) && |
---|
| 1072 | SymGetTypeInfo_(hProcess, modBase, childTypeIndex, TI_GET_SYMTAG, &childSymtag) && |
---|
| 1073 | childSymtag != SymTagPointerType ) |
---|
| 1074 | { |
---|
| 1075 | DWORD childBasetype; |
---|
| 1076 | |
---|
| 1077 | // child isn't a pointer, print the contents |
---|
| 1078 | fprintf(log_file, " "); |
---|
| 1079 | if( childSymtag == SymTagBaseType && |
---|
| 1080 | SymGetTypeInfo_(hProcess, modBase, childTypeIndex, TI_GET_BASETYPE, &childBasetype) && |
---|
| 1081 | (childBasetype == btChar || childBasetype == btWChar) ) |
---|
| 1082 | { |
---|
| 1083 | // string or wide string |
---|
| 1084 | if( childBasetype == btChar ) Dhp__PrintValueCString(log_file, *(char**)pVariable); |
---|
| 1085 | else if( childBasetype == btWChar ) Dhp__PrintValueCWideString(log_file, *(WCHAR**)pVariable); |
---|
| 1086 | else fprintf(log_file, "<unexpected child basetype %d>", childBasetype); |
---|
| 1087 | break; |
---|
| 1088 | } |
---|
| 1089 | Dhp__PrintDataValue(childTypeIndex, childSymtag, *(PVOID*)pVariable, pInterData); |
---|
| 1090 | } |
---|
| 1091 | } |
---|
| 1092 | break; |
---|
| 1093 | case SymTagArrayType: |
---|
| 1094 | { |
---|
| 1095 | DWORD childTypeIndex; |
---|
| 1096 | DWORD childSymtag; |
---|
| 1097 | DWORD count; |
---|
| 1098 | DWORD i; |
---|
| 1099 | |
---|
| 1100 | if( !SymGetTypeInfo_( hProcess, modBase, typeIndex, TI_GET_TYPE, &childTypeIndex) ) |
---|
| 1101 | { |
---|
| 1102 | fprintf(log_file, "<child type not found>"); |
---|
| 1103 | Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length); |
---|
| 1104 | break; |
---|
| 1105 | } |
---|
| 1106 | if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_SYMTAG, &childSymtag) ) |
---|
| 1107 | { |
---|
| 1108 | fprintf(log_file, "<child symtag not found>"); |
---|
| 1109 | Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length); |
---|
| 1110 | break; |
---|
| 1111 | } |
---|
| 1112 | if( !SymGetTypeInfo_( hProcess, modBase, typeIndex, TI_GET_COUNT, &count) ) |
---|
| 1113 | { |
---|
| 1114 | fprintf(log_file, "<count not found>"); |
---|
| 1115 | Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length); |
---|
| 1116 | break; |
---|
| 1117 | } |
---|
| 1118 | // print values |
---|
| 1119 | fprintf(log_file, "{"); |
---|
| 1120 | for( i = 0; i < count; ++i ) |
---|
| 1121 | { |
---|
| 1122 | BYTE* pData = pVariable; |
---|
| 1123 | pData += i*(length/count); |
---|
| 1124 | if( i > 0 ) fprintf(log_file, ","); |
---|
| 1125 | Dhp__PrintDataValue(childTypeIndex, childSymtag, pData, pInterData); |
---|
| 1126 | } |
---|
| 1127 | fprintf(log_file, "}"); |
---|
| 1128 | } |
---|
| 1129 | break; |
---|
| 1130 | default: |
---|
| 1131 | #if 0 |
---|
| 1132 | {//## TODO show children of structs/unions |
---|
| 1133 | TI_FINDCHILDREN_PARAMS* children; |
---|
| 1134 | DWORD childCount; |
---|
| 1135 | DWORD i; |
---|
| 1136 | |
---|
| 1137 | // count children |
---|
| 1138 | if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_CHILDRENCOUNT, &childCount) ) |
---|
| 1139 | { |
---|
| 1140 | fprintf(log_file, "<child count not found>"); |
---|
| 1141 | Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length); |
---|
| 1142 | break; |
---|
| 1143 | } |
---|
| 1144 | |
---|
| 1145 | // Prepare to get an array of "TypeIds", representing each of the children. |
---|
| 1146 | // SymGetTypeInfo(TI_FINDCHILDREN) expects more memory than just a |
---|
| 1147 | // TI_FINDCHILDREN_PARAMS struct has. Use derivation to accomplish this. |
---|
| 1148 | children = (TI_FINDCHILDREN_PARAMS*)LocalAlloc(LMEM_FIXED, sizeof(TI_FINDCHILDREN_PARAMS)+childCount*sizeof(ULONG)); |
---|
| 1149 | children->Count = childCount; |
---|
| 1150 | children->Start= 0; |
---|
| 1151 | |
---|
| 1152 | // Get the array of TypeIds, one for each child type |
---|
| 1153 | if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_FINDCHILDREN, &children) ) |
---|
| 1154 | { |
---|
| 1155 | fprintf(log_file, "<children not found>"); |
---|
| 1156 | Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length); |
---|
| 1157 | LocalFree(children); |
---|
| 1158 | return; |
---|
| 1159 | } |
---|
| 1160 | |
---|
| 1161 | // Iterate through each of the children |
---|
| 1162 | fprintf(log_file, "{"); |
---|
| 1163 | for( i = 0; i < childCount; ++i ) |
---|
| 1164 | { |
---|
| 1165 | DWORD childOffset; |
---|
| 1166 | DWORD childTypeid; |
---|
| 1167 | WCHAR* childName; |
---|
| 1168 | DWORD_PTR pData; |
---|
| 1169 | |
---|
| 1170 | if( i > 0 ) fprintf(log_file, ","); |
---|
| 1171 | |
---|
| 1172 | // Get the offset of the child member, relative to its parent |
---|
| 1173 | if( !SymGetTypeInfo_(hProcess, modBase, children->ChildId[i], TI_GET_OFFSET, &childOffset) ) |
---|
| 1174 | { |
---|
| 1175 | fprintf(log_file, "<child offset not found>"); |
---|
| 1176 | continue; |
---|
| 1177 | } |
---|
| 1178 | |
---|
| 1179 | // Get the real "TypeId" of the child. |
---|
| 1180 | if( !SymGetTypeInfo_(hProcess, modBase, children->ChildId[i], TI_GET_TYPEID, &childTypeid) ) |
---|
| 1181 | { |
---|
| 1182 | fprintf(log_file, "<child typeid not found>"); |
---|
| 1183 | continue; |
---|
| 1184 | } |
---|
| 1185 | |
---|
| 1186 | // Calculate the address of the member |
---|
| 1187 | pData = (DWORD_PTR)pVariable; |
---|
| 1188 | pData += childOffset; |
---|
| 1189 | |
---|
| 1190 | // print name of the child |
---|
| 1191 | if( !SymGetTypeInfo_(hProcess, modBase, childTypeid, TI_GET_SYMNAME, &childName) ) |
---|
| 1192 | { |
---|
| 1193 | fprintf(log_file, "<child symname not found>"); |
---|
| 1194 | continue; |
---|
| 1195 | } |
---|
| 1196 | fprintf(log_file, "%ws=", childName); |
---|
| 1197 | LocalFree(childName); |
---|
| 1198 | |
---|
| 1199 | // print contents of the child |
---|
| 1200 | Dhp__PrintDataContents(childTypeid, (PVOID)pData, interData); |
---|
| 1201 | } |
---|
| 1202 | fprintf(log_file, "}"); |
---|
| 1203 | |
---|
| 1204 | LocalFree(children); |
---|
| 1205 | } |
---|
| 1206 | #endif |
---|
| 1207 | Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length); |
---|
| 1208 | break; |
---|
| 1209 | } |
---|
| 1210 | } |
---|
| 1211 | |
---|
| 1212 | |
---|
| 1213 | /// Prints the contents of the data symbol. (type and value) |
---|
| 1214 | /// |
---|
| 1215 | /// @param typeIndex Type index of the symbol |
---|
| 1216 | /// @param pVariable Address of the symbol contents |
---|
| 1217 | /// @param pInterData Inter data |
---|
| 1218 | static VOID |
---|
| 1219 | Dhp__PrintDataContents( |
---|
| 1220 | DWORD typeIndex, |
---|
| 1221 | PVOID pVariable, |
---|
| 1222 | InterData* pInterData) |
---|
| 1223 | { |
---|
| 1224 | // inter data |
---|
| 1225 | FILE* log_file; |
---|
| 1226 | HANDLE hProcess; |
---|
| 1227 | DWORD64 modBase; |
---|
| 1228 | // |
---|
| 1229 | DWORD symtag; |
---|
| 1230 | |
---|
| 1231 | assert( pInterData != NULL ); |
---|
| 1232 | log_file = pInterData->log_file; |
---|
| 1233 | hProcess = pInterData->hProcess; |
---|
| 1234 | modBase = pInterData->modBase; |
---|
| 1235 | |
---|
| 1236 | if( SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_SYMTAG, &symtag) ) |
---|
| 1237 | { |
---|
| 1238 | // print type |
---|
| 1239 | Dhp__PrintTypeName(typeIndex, symtag, TRUE, pInterData); |
---|
| 1240 | // print value |
---|
| 1241 | Dhp__PrintDataValue(typeIndex, symtag, pVariable, pInterData); |
---|
| 1242 | } |
---|
| 1243 | else |
---|
| 1244 | fprintf(log_file, "<symtag not found>"); |
---|
| 1245 | } |
---|
| 1246 | |
---|
| 1247 | |
---|
| 1248 | /// Prints information about the data symbol. |
---|
| 1249 | /// |
---|
| 1250 | /// @param pSymInfo Symbol info |
---|
| 1251 | /// @param pInterData Inter data |
---|
| 1252 | static VOID |
---|
| 1253 | Dhp__PrintDataInfo( |
---|
| 1254 | PSYMBOL_INFO pSymInfo, |
---|
| 1255 | InterData* pInterData) |
---|
| 1256 | { |
---|
| 1257 | // inter data |
---|
| 1258 | FILE* log_file; |
---|
| 1259 | STACKFRAME* pStackframe; |
---|
| 1260 | BOOL as_arg_list; |
---|
| 1261 | BOOL log_params; |
---|
| 1262 | BOOL log_locals; |
---|
| 1263 | BOOL log_globals; |
---|
| 1264 | int nr_of_var; |
---|
| 1265 | // my data |
---|
| 1266 | DWORD_PTR pVariable = 0; |
---|
| 1267 | enum{ UNKNOWN, PARAM, LOCAL, GLOBAL } scope = UNKNOWN; |
---|
| 1268 | |
---|
| 1269 | assert( pSymInfo != NULL ); |
---|
| 1270 | assert( pInterData != NULL ); |
---|
| 1271 | assert( pSymInfo->Tag == SymTagData ); |
---|
| 1272 | log_file = pInterData->log_file; |
---|
| 1273 | pStackframe = pInterData->pStackframe; |
---|
| 1274 | as_arg_list = pInterData->as_arg_list; |
---|
| 1275 | log_params = pInterData->log_params; |
---|
| 1276 | log_locals = pInterData->log_locals; |
---|
| 1277 | log_globals = pInterData->log_globals; |
---|
| 1278 | nr_of_var = pInterData->nr_of_var; |
---|
| 1279 | |
---|
| 1280 | // Determine the scope and address of the variable |
---|
| 1281 | if( pSymInfo->Flags & SYMFLAG_REGREL ) |
---|
| 1282 | { |
---|
| 1283 | pVariable = pStackframe->AddrFrame.Offset; |
---|
| 1284 | pVariable += (DWORD_PTR)pSymInfo->Address; |
---|
| 1285 | if( pSymInfo->Flags & SYMFLAG_PARAMETER ) |
---|
| 1286 | scope = PARAM; // parameter |
---|
| 1287 | else if( pSymInfo->Flags & SYMFLAG_LOCAL ) |
---|
| 1288 | { |
---|
| 1289 | scope = LOCAL; // local |
---|
| 1290 | #if defined(_M_IX86) |
---|
| 1291 | if( (LONG64)pSymInfo->Address > 0) scope = PARAM; // parameter as local (bug in DBGHELP 5.1) |
---|
| 1292 | #endif |
---|
| 1293 | } |
---|
| 1294 | } |
---|
| 1295 | else if( pSymInfo->Flags & SYMFLAG_REGISTER ) |
---|
| 1296 | { |
---|
| 1297 | scope = ( pSymInfo->Flags & SYMFLAG_PARAMETER ? PARAM : LOCAL ); // register, optimized out(?) |
---|
| 1298 | } |
---|
| 1299 | else |
---|
| 1300 | { |
---|
| 1301 | pVariable = (DWORD_PTR)pSymInfo->Address; |
---|
| 1302 | scope = GLOBAL; // It must be a global variable |
---|
| 1303 | } |
---|
| 1304 | |
---|
| 1305 | // check if we should to log the variable |
---|
| 1306 | if( (scope == PARAM && log_params) || |
---|
| 1307 | (scope == LOCAL && log_locals) || |
---|
| 1308 | (scope == GLOBAL && log_globals) ) |
---|
| 1309 | { |
---|
| 1310 | // print prefix and name |
---|
| 1311 | if( as_arg_list ) |
---|
| 1312 | fprintf(log_file, "%s%s=", (nr_of_var ? ", " : ""), pSymInfo->Name); |
---|
| 1313 | else |
---|
| 1314 | fprintf(log_file, "\t%s = ", pSymInfo->Name); |
---|
| 1315 | |
---|
| 1316 | // print value |
---|
| 1317 | if( !(pSymInfo->Flags & SYMFLAG_REGREL) && (pSymInfo->Flags & SYMF_REGISTER) ) |
---|
| 1318 | fprintf(log_file, "<value optimized out>"); |
---|
| 1319 | else |
---|
| 1320 | { |
---|
| 1321 | pInterData->modBase = pSymInfo->ModBase; |
---|
| 1322 | Dhp__PrintDataContents(pSymInfo->TypeIndex, (PVOID)pVariable, pInterData); |
---|
| 1323 | } |
---|
| 1324 | |
---|
| 1325 | // print postfix |
---|
| 1326 | if( !as_arg_list ) |
---|
| 1327 | fprintf(log_file, "\n"); |
---|
| 1328 | pInterData->nr_of_var = ++nr_of_var; |
---|
| 1329 | } |
---|
| 1330 | } |
---|
| 1331 | |
---|
| 1332 | |
---|
| 1333 | /// Prints information about the symbol. |
---|
| 1334 | /// |
---|
| 1335 | /// @param pSymInfo Symbol info |
---|
| 1336 | /// @param pInterData Inter data |
---|
| 1337 | static VOID |
---|
| 1338 | Dhp__PrintSymbolInfo( |
---|
| 1339 | PSYMBOL_INFO pSymInfo, |
---|
| 1340 | InterData* pInterData) |
---|
| 1341 | { |
---|
| 1342 | assert( pSymInfo != NULL ); |
---|
| 1343 | assert( pInterData != NULL ); |
---|
| 1344 | |
---|
| 1345 | switch( pSymInfo->Tag ) |
---|
| 1346 | { |
---|
| 1347 | case SymTagData: Dhp__PrintDataInfo( pSymInfo, pInterData ); break; |
---|
| 1348 | default: /*fprintf(pInterData->log_file, "<unsupported symtag %d>", pSymInfo->Tag);*/ break; |
---|
| 1349 | } |
---|
| 1350 | } |
---|
| 1351 | |
---|
| 1352 | |
---|
| 1353 | /// Prints the details of one symbol to the log file. |
---|
| 1354 | /// Used as a callback for SymEnumSymbols. |
---|
| 1355 | /// |
---|
| 1356 | /// @param pSymInfo Symbol info |
---|
| 1357 | /// @param symSize Size of the symbol info structure |
---|
| 1358 | /// @param pData Inter data |
---|
| 1359 | static BOOL WINAPI |
---|
| 1360 | Dhp__EnumSymbolsCallback( |
---|
| 1361 | PSYMBOL_INFO pSymInfo, |
---|
| 1362 | ULONG symSize, |
---|
| 1363 | PVOID pData) |
---|
| 1364 | { |
---|
| 1365 | if( pSymInfo == NULL ) |
---|
| 1366 | return TRUE; // try other symbols |
---|
| 1367 | |
---|
| 1368 | if( pData == NULL ) |
---|
| 1369 | { |
---|
| 1370 | printf("Dhp__EnumSymbolsCallback: pData is NULL\n"); |
---|
| 1371 | return FALSE; |
---|
| 1372 | } |
---|
| 1373 | |
---|
| 1374 | Dhp__PrintSymbolInfo(pSymInfo, (InterData*)pData); |
---|
| 1375 | return TRUE; |
---|
| 1376 | } |
---|
| 1377 | |
---|
| 1378 | |
---|
| 1379 | /// Prints the source code of the target line. |
---|
| 1380 | /// Searches for the target file in the original path, |
---|
| 1381 | /// in the last src folder of the original path (relative) |
---|
| 1382 | /// and in the current directory. |
---|
| 1383 | /// |
---|
| 1384 | /// @param filename Original source file |
---|
| 1385 | /// @param line Target line |
---|
| 1386 | /// @param log_file Log file |
---|
| 1387 | static VOID |
---|
| 1388 | Dhp__PrintSourceLine( |
---|
| 1389 | FILE* log_file, |
---|
| 1390 | char* filename, |
---|
| 1391 | DWORD line) |
---|
| 1392 | { |
---|
| 1393 | char path[MAX_PATH*3]; |
---|
| 1394 | char pathBuffer[MAX_PATH+1]; |
---|
| 1395 | char* p; |
---|
| 1396 | |
---|
| 1397 | assert( filename != NULL ); |
---|
| 1398 | assert( log_file != NULL ); |
---|
| 1399 | |
---|
| 1400 | // generate search paths |
---|
| 1401 | strcpy(path, filename); // original path |
---|
| 1402 | p = strrchr(path, '\\'); |
---|
| 1403 | if( p ) |
---|
| 1404 | { |
---|
| 1405 | memcpy(p, ";\0", 2); |
---|
| 1406 | p = strstr(filename, "\\src\\"); |
---|
| 1407 | if( p ) |
---|
| 1408 | { |
---|
| 1409 | while( strstr(p+1, "\\src\\") ) |
---|
| 1410 | p = strstr(p+1, "\\src\\"); |
---|
| 1411 | strcat(path, p+1); // last src folder path |
---|
| 1412 | p = strrchr(path, '\\'); |
---|
| 1413 | memcpy(p, ";\0", 2); |
---|
| 1414 | } |
---|
| 1415 | filename = strrchr(filename, '\\')+1; |
---|
| 1416 | } |
---|
| 1417 | else |
---|
| 1418 | *path = '\0'; // no path |
---|
| 1419 | strcat(path, "."); // current directoy |
---|
| 1420 | |
---|
| 1421 | // search for file and line |
---|
| 1422 | if( SearchPathA(path, filename, NULL, MAX_PATH, pathBuffer, NULL) ) |
---|
| 1423 | { |
---|
| 1424 | char code[1024+1]; |
---|
| 1425 | DWORD i = 1; |
---|
| 1426 | FILE* fp; |
---|
| 1427 | |
---|
| 1428 | fp = fopen(pathBuffer, "rt"); |
---|
| 1429 | if( fp == NULL ) |
---|
| 1430 | return; |
---|
| 1431 | |
---|
| 1432 | code[1024] = '\0'; |
---|
| 1433 | while( fgets(code, 1024, fp) ) |
---|
| 1434 | { |
---|
| 1435 | if( i == line ) |
---|
| 1436 | {// found line |
---|
| 1437 | char* term = strchr(code, '\n'); |
---|
| 1438 | if( term && term != code && term[-1] == '\r' ) --term; |
---|
| 1439 | if( term ) *term = '\0'; |
---|
| 1440 | fprintf(log_file, "%d\t%s\n", line, code); |
---|
| 1441 | break; |
---|
| 1442 | } |
---|
| 1443 | if( strchr(code, '\n') ) |
---|
| 1444 | ++i; |
---|
| 1445 | } |
---|
| 1446 | fclose(fp); |
---|
| 1447 | } |
---|
| 1448 | } |
---|
| 1449 | |
---|
| 1450 | |
---|
| 1451 | /// Prints details of one function to the log file. |
---|
| 1452 | /// |
---|
| 1453 | /// @param interData Inter data |
---|
| 1454 | static VOID |
---|
| 1455 | Dhp__PrintFunctionDetails( |
---|
| 1456 | InterData* pInterData) |
---|
| 1457 | { |
---|
| 1458 | // inter data |
---|
| 1459 | HANDLE hProcess; |
---|
| 1460 | STACKFRAME* pStackframe; |
---|
| 1461 | FILE* log_file; |
---|
| 1462 | int nr_of_frame; |
---|
| 1463 | // |
---|
| 1464 | PSYMBOL_INFO pSymbolInfo; |
---|
| 1465 | DWORD64 funcDisplacement=0; |
---|
| 1466 | IMAGEHLP_STACK_FRAME imagehlpStackFrame; |
---|
| 1467 | IMAGEHLP_LINE imagehlpLine; |
---|
| 1468 | DWORD lineDisplacement=0; |
---|
| 1469 | |
---|
| 1470 | assert( pInterData != NULL ); |
---|
| 1471 | hProcess = pInterData->hProcess; |
---|
| 1472 | pStackframe = pInterData->pStackframe; |
---|
| 1473 | log_file = pInterData->log_file; |
---|
| 1474 | nr_of_frame = pInterData->nr_of_frame; |
---|
| 1475 | |
---|
| 1476 | // frame info |
---|
| 1477 | fprintf(log_file, |
---|
| 1478 | "#%d 0x%p", |
---|
| 1479 | nr_of_frame, (void*)(DWORD_PTR)pStackframe->AddrPC.Offset); |
---|
| 1480 | |
---|
| 1481 | // restrict symbol enumeration to this frame only |
---|
| 1482 | ZeroMemory(&imagehlpStackFrame, sizeof(IMAGEHLP_STACK_FRAME)); |
---|
| 1483 | imagehlpStackFrame.InstructionOffset = pStackframe->AddrPC.Offset; |
---|
| 1484 | SymSetContext_(hProcess, &imagehlpStackFrame, 0); |
---|
| 1485 | |
---|
| 1486 | // function name and displacement |
---|
| 1487 | pSymbolInfo = (PSYMBOL_INFO)LocalAlloc(LMEM_FIXED, sizeof(SYMBOL_INFO)+1024); |
---|
| 1488 | pSymbolInfo->SizeOfStruct = sizeof(SYMBOL_INFO); |
---|
| 1489 | pSymbolInfo->MaxNameLen = 1024; |
---|
| 1490 | if( SymFromAddr_(hProcess, pStackframe->AddrPC.Offset, &funcDisplacement, pSymbolInfo) == TRUE ) |
---|
| 1491 | { |
---|
| 1492 | fprintf(log_file, |
---|
| 1493 | " in %.1024s+0x%I64X (", |
---|
| 1494 | pSymbolInfo->Name, funcDisplacement); |
---|
| 1495 | |
---|
| 1496 | // log all function parameters |
---|
| 1497 | pInterData->as_arg_list = TRUE; |
---|
| 1498 | pInterData->log_params = TRUE; |
---|
| 1499 | pInterData->log_locals = FALSE; |
---|
| 1500 | pInterData->log_globals = FALSE; |
---|
| 1501 | pInterData->nr_of_var = 0; |
---|
| 1502 | SymEnumSymbols_(hProcess, 0, 0, Dhp__EnumSymbolsCallback, pInterData); |
---|
| 1503 | |
---|
| 1504 | fprintf(log_file, |
---|
| 1505 | ")"); |
---|
| 1506 | } |
---|
| 1507 | else |
---|
| 1508 | fprintf(log_file, |
---|
| 1509 | "in <unknown function>"); |
---|
| 1510 | |
---|
| 1511 | // find the source line for this function. |
---|
| 1512 | imagehlpLine.SizeOfStruct = sizeof(IMAGEHLP_LINE); |
---|
| 1513 | if( SymGetLineFromAddr_(hProcess, pStackframe->AddrPC.Offset, &lineDisplacement, &imagehlpLine) != 0 ) |
---|
| 1514 | { |
---|
| 1515 | char* filename = imagehlpLine.FileName; |
---|
| 1516 | DWORD line = imagehlpLine.LineNumber; |
---|
| 1517 | |
---|
| 1518 | fprintf(log_file, |
---|
| 1519 | " at %s:%d\n", |
---|
| 1520 | filename, line); |
---|
| 1521 | |
---|
| 1522 | Dhp__PrintSourceLine(log_file, filename, line); |
---|
| 1523 | } |
---|
| 1524 | else |
---|
| 1525 | fprintf(log_file, |
---|
| 1526 | "\n"); |
---|
| 1527 | |
---|
| 1528 | // log all function local variables |
---|
| 1529 | pInterData->as_arg_list = FALSE; |
---|
| 1530 | pInterData->log_params = FALSE; |
---|
| 1531 | pInterData->log_locals = TRUE; |
---|
| 1532 | pInterData->log_globals = FALSE; |
---|
| 1533 | pInterData->nr_of_var = 0; |
---|
| 1534 | SymEnumSymbols_(hProcess, 0, 0, Dhp__EnumSymbolsCallback, pInterData); |
---|
| 1535 | |
---|
| 1536 | pInterData->nr_of_frame = ++nr_of_frame; |
---|
| 1537 | LocalFree(pSymbolInfo); |
---|
| 1538 | } |
---|
| 1539 | |
---|
| 1540 | |
---|
| 1541 | /// Walks over the stack and prints all relevant information to the log file. |
---|
| 1542 | /// |
---|
| 1543 | /// @param context Exception context |
---|
| 1544 | /// @param log_file Log file |
---|
| 1545 | static VOID |
---|
| 1546 | Dhp__PrintStacktrace( |
---|
| 1547 | CONTEXT *context, |
---|
| 1548 | FILE *log_file) |
---|
| 1549 | { |
---|
| 1550 | HANDLE hProcess = GetCurrentProcess(); |
---|
| 1551 | STACKFRAME stackframe; |
---|
| 1552 | DWORD machine; |
---|
| 1553 | CONTEXT ctx; |
---|
| 1554 | InterData interData; |
---|
| 1555 | int skip = 0; |
---|
| 1556 | int i; |
---|
| 1557 | |
---|
| 1558 | assert( log_file != NULL ); |
---|
| 1559 | |
---|
| 1560 | fprintf(log_file, |
---|
| 1561 | "\nStacktrace:\n"); |
---|
| 1562 | |
---|
| 1563 | // Use thread information - if not supplied. |
---|
| 1564 | if( context == NULL ) |
---|
| 1565 | { |
---|
| 1566 | // If no context is supplied, skip 1 frame |
---|
| 1567 | skip = 1; |
---|
| 1568 | |
---|
| 1569 | ctx.ContextFlags = CONTEXT_FULL; |
---|
| 1570 | if( GetThreadContext(GetCurrentThread(), &ctx) ) |
---|
| 1571 | context = &ctx; |
---|
| 1572 | } |
---|
| 1573 | |
---|
| 1574 | if( context == NULL ) |
---|
| 1575 | return; |
---|
| 1576 | |
---|
| 1577 | // Write the stack trace |
---|
| 1578 | ZeroMemory(&stackframe, sizeof(STACKFRAME)); |
---|
| 1579 | stackframe.AddrPC.Mode = AddrModeFlat; |
---|
| 1580 | stackframe.AddrStack.Mode = AddrModeFlat; |
---|
| 1581 | stackframe.AddrFrame.Mode = AddrModeFlat; |
---|
| 1582 | #if defined(_M_IX86) |
---|
| 1583 | machine = IMAGE_FILE_MACHINE_I386; |
---|
| 1584 | stackframe.AddrPC.Offset = context->Eip; |
---|
| 1585 | stackframe.AddrStack.Offset = context->Esp; |
---|
| 1586 | stackframe.AddrFrame.Offset = context->Ebp; |
---|
| 1587 | #else /* defined(_M_IX86) */ |
---|
| 1588 | #error FIXME add more processors |
---|
| 1589 | some compilers don't stop on #error, this line makes sure it errors out |
---|
| 1590 | #endif |
---|
| 1591 | |
---|
| 1592 | interData.hProcess = hProcess; |
---|
| 1593 | interData.log_file = log_file; |
---|
| 1594 | interData.pStackframe = &stackframe; |
---|
| 1595 | interData.nr_of_frame = 0; |
---|
| 1596 | for( i = 0; ; ++i ) |
---|
| 1597 | { |
---|
| 1598 | if( !StackWalk_(machine, hProcess, GetCurrentThread(), |
---|
| 1599 | &stackframe, context, NULL, SymFunctionTableAccess_, |
---|
| 1600 | SymGetModuleBase_, NULL)) |
---|
| 1601 | { |
---|
| 1602 | break; |
---|
| 1603 | } |
---|
| 1604 | |
---|
| 1605 | if( i >= skip ) |
---|
| 1606 | { |
---|
| 1607 | // Check that the address is not zero. |
---|
| 1608 | // Sometimes StackWalk returns TRUE with a frame of zero. |
---|
| 1609 | if( stackframe.AddrPC.Offset != 0 ) |
---|
| 1610 | Dhp__PrintFunctionDetails(&interData); |
---|
| 1611 | } |
---|
| 1612 | } |
---|
| 1613 | } |
---|
| 1614 | |
---|
| 1615 | |
---|
| 1616 | typedef BOOL (WINAPI *ISDEBUGGERPRESENT)(void); |
---|
| 1617 | /// Checks if a debugger is attached to this process |
---|
| 1618 | /// |
---|
| 1619 | /// @return TRUE is a debugger is present |
---|
| 1620 | static BOOL |
---|
| 1621 | Dhp__IsDebuggerPresent() |
---|
| 1622 | { |
---|
| 1623 | HANDLE kernel32_dll; |
---|
| 1624 | ISDEBUGGERPRESENT IsDebuggerPresent_; |
---|
| 1625 | BOOL result; |
---|
| 1626 | |
---|
| 1627 | kernel32_dll = LoadLibraryA("kernel32.dll"); |
---|
| 1628 | if( kernel32_dll == NULL ) |
---|
| 1629 | return FALSE; |
---|
| 1630 | |
---|
| 1631 | IsDebuggerPresent_ = (ISDEBUGGERPRESENT)GetProcAddress(kernel32_dll, "IsDebuggerPresent"); |
---|
| 1632 | if( IsDebuggerPresent_ ) |
---|
| 1633 | result = IsDebuggerPresent_(); |
---|
| 1634 | else |
---|
| 1635 | result = FALSE; |
---|
| 1636 | |
---|
| 1637 | FreeLibrary(kernel32_dll); |
---|
| 1638 | |
---|
| 1639 | return result; |
---|
| 1640 | } |
---|
| 1641 | |
---|
| 1642 | |
---|
| 1643 | /// Loads the dbghelp.dll library. |
---|
| 1644 | /// |
---|
| 1645 | /// @return TRUE is sucessfull |
---|
| 1646 | static BOOL |
---|
| 1647 | Dhp__LoadDbghelpDll() |
---|
| 1648 | { |
---|
| 1649 | dbghelp_dll = LoadLibraryA(DBGHELP_DLL); |
---|
| 1650 | if( dbghelp_dll != INVALID_HANDLE_VALUE ) |
---|
| 1651 | { |
---|
| 1652 | DWORD opts; |
---|
| 1653 | |
---|
| 1654 | // load the functions |
---|
| 1655 | MiniDumpWriteDump_ = (MINIDUMPWRITEDUMP)GetProcAddress(dbghelp_dll, "MiniDumpWriteDump"); |
---|
| 1656 | SymInitialize_ = (SYMINITIALIZE)GetProcAddress(dbghelp_dll, "SymInitialize"); |
---|
| 1657 | SymSetOptions_ = (SYMSETOPTIONS)GetProcAddress(dbghelp_dll, "SymSetOptions"); |
---|
| 1658 | SymGetOptions_ = (SYMGETOPTIONS)GetProcAddress(dbghelp_dll, "SymGetOptions"); |
---|
| 1659 | SymCleanup_ = (SYMCLEANUP)GetProcAddress(dbghelp_dll, "SymCleanup"); |
---|
| 1660 | SymGetTypeInfo_ = (SYMGETTYPEINFO)GetProcAddress(dbghelp_dll, "SymGetTypeInfo"); |
---|
| 1661 | SymGetLineFromAddr_ = (SYMGETLINEFROMADDR)GetProcAddress(dbghelp_dll, "SymGetLineFromAddr"); |
---|
| 1662 | SymEnumSymbols_ = (SYMENUMSYMBOLS)GetProcAddress(dbghelp_dll, "SymEnumSymbols"); |
---|
| 1663 | SymSetContext_ = (SYMSETCONTEXT)GetProcAddress(dbghelp_dll, "SymSetContext"); |
---|
| 1664 | SymFromAddr_ = (SYMFROMADDR)GetProcAddress(dbghelp_dll, "SymFromAddr"); |
---|
| 1665 | StackWalk_ = (STACKWALK)GetProcAddress(dbghelp_dll, "StackWalk"); |
---|
| 1666 | SymFunctionTableAccess_ = (SYMFUNCTIONTABLEACCESS)GetProcAddress(dbghelp_dll, "SymFunctionTableAccess"); |
---|
| 1667 | SymGetModuleBase_ = (SYMGETMODULEBASE)GetProcAddress(dbghelp_dll, "SymGetModuleBase"); |
---|
| 1668 | |
---|
| 1669 | if( MiniDumpWriteDump_ && |
---|
| 1670 | SymInitialize_ && SymSetOptions_ && SymGetOptions_ && |
---|
| 1671 | SymCleanup_ && SymGetTypeInfo_ && SymGetLineFromAddr_ && |
---|
| 1672 | SymEnumSymbols_ && SymSetContext_ && SymFromAddr_ && StackWalk_ && |
---|
| 1673 | SymFunctionTableAccess_ && SymGetModuleBase_ ) |
---|
| 1674 | { |
---|
| 1675 | // initialize the symbol loading code |
---|
| 1676 | opts = SymGetOptions_(); |
---|
| 1677 | |
---|
| 1678 | // Set the 'load lines' option to retrieve line number information. |
---|
| 1679 | // Set the 'deferred loads' option to map the debug info in memory only when needed. |
---|
| 1680 | SymSetOptions_(opts | SYMOPT_LOAD_LINES | SYMOPT_DEFERRED_LOADS); |
---|
| 1681 | |
---|
| 1682 | // Initialize the dbghelp DLL with the default path and automatic |
---|
| 1683 | // module enumeration (and loading of symbol tables) for this process. |
---|
| 1684 | SymInitialize_(GetCurrentProcess(), NULL, TRUE); |
---|
| 1685 | |
---|
| 1686 | return TRUE; |
---|
| 1687 | } |
---|
| 1688 | } |
---|
| 1689 | |
---|
| 1690 | if( dbghelp_dll ) |
---|
| 1691 | { |
---|
| 1692 | FreeLibrary(dbghelp_dll); |
---|
| 1693 | dbghelp_dll = NULL; |
---|
| 1694 | } |
---|
| 1695 | |
---|
| 1696 | return FALSE; |
---|
| 1697 | } |
---|
| 1698 | |
---|
| 1699 | |
---|
| 1700 | /// Unloads the dbghelp.dll library. |
---|
| 1701 | static VOID |
---|
| 1702 | Dhp__UnloadDbghlpDll() |
---|
| 1703 | { |
---|
| 1704 | SymCleanup_(GetCurrentProcess()); |
---|
| 1705 | |
---|
| 1706 | FreeLibrary(dbghelp_dll); |
---|
| 1707 | dbghelp_dll = NULL; |
---|
| 1708 | } |
---|
| 1709 | |
---|
| 1710 | |
---|
| 1711 | /// Creates the report and minidump files. |
---|
| 1712 | /// Puts the resulting pathnames in the arguments. |
---|
| 1713 | /// The buffers must be at least MAX_PATH+1 in size. |
---|
| 1714 | /// |
---|
| 1715 | /// @param out_lpszLogFileName Buffer for the report filename |
---|
| 1716 | /// @param out_lpszDmpFileName Buffer for the minidump filename |
---|
| 1717 | /// @return TRUE if the files were created |
---|
| 1718 | static BOOL |
---|
| 1719 | Dhp__CreateFiles( |
---|
| 1720 | char* out_logFileName, |
---|
| 1721 | char* out_dmpFileName) |
---|
| 1722 | { |
---|
| 1723 | #define LEN_TIMESTAMP 14 // "YYYYMMDDhhmmss" |
---|
| 1724 | #define LEN_EXT 4 // ".rpt" or ".dmp" |
---|
| 1725 | char baseFileName[MAX_PATH+1]; |
---|
| 1726 | char timestamp[LEN_TIMESTAMP+1]; |
---|
| 1727 | FILE* fp; |
---|
| 1728 | time_t now; |
---|
| 1729 | |
---|
| 1730 | // Generate base filename for the report/minidump |
---|
| 1731 | ZeroMemory(baseFileName, sizeof(baseFileName)); |
---|
| 1732 | if( GetModuleFileName(NULL, baseFileName, MAX_PATH-LEN_TIMESTAMP-LEN_EXT) ) |
---|
| 1733 | { |
---|
| 1734 | char* pTerm = strrchr(baseFileName, '\\'); |
---|
| 1735 | if( pTerm == NULL ) pTerm = baseFileName; |
---|
| 1736 | pTerm = strrchr(pTerm, '.'); |
---|
| 1737 | if( pTerm ) *pTerm = '\0'; // remove extension |
---|
| 1738 | } |
---|
| 1739 | else if( GetTempPathA(MAX_PATH-6-LEN_TIMESTAMP-LEN_EXT, baseFileName) ) |
---|
| 1740 | {// in temp folder |
---|
| 1741 | strcat(baseFileName, DBG_DEFAULT_FILENAME); |
---|
| 1742 | } |
---|
| 1743 | else |
---|
| 1744 | {// in current folder |
---|
| 1745 | strcpy(baseFileName, DBG_DEFAULT_FILENAME); |
---|
| 1746 | } |
---|
| 1747 | |
---|
| 1748 | time(&now); |
---|
| 1749 | #if 0 |
---|
| 1750 | szTimestamp[0] = '\0'; |
---|
| 1751 | #else |
---|
| 1752 | strftime(timestamp, sizeof(timestamp), "%Y%m%d%H%M%S", localtime(&now)); |
---|
| 1753 | #endif |
---|
| 1754 | timestamp[LEN_TIMESTAMP] = '\0'; |
---|
| 1755 | |
---|
| 1756 | sprintf(out_logFileName, "%s%s.rpt", baseFileName, timestamp); |
---|
| 1757 | fp = fopen(out_logFileName, "w"); |
---|
| 1758 | if( fp == NULL ) |
---|
| 1759 | return FALSE; // failed to create log file |
---|
| 1760 | fclose(fp); |
---|
| 1761 | |
---|
| 1762 | sprintf(out_dmpFileName, "%s%s.dmp", baseFileName, timestamp); |
---|
| 1763 | fp = fopen(out_dmpFileName, "w"); |
---|
| 1764 | if( fp == NULL) |
---|
| 1765 | return FALSE; // failed to create dump file |
---|
| 1766 | fclose(fp); |
---|
| 1767 | |
---|
| 1768 | return TRUE; // success |
---|
| 1769 | #undef LEN_EXT |
---|
| 1770 | #undef LEN_TIMESTAMP |
---|
| 1771 | } |
---|
| 1772 | |
---|
| 1773 | |
---|
| 1774 | /// Unhandled exception handler. Where the magic starts... ;D |
---|
| 1775 | /// |
---|
| 1776 | /// @param ptrs Exception information |
---|
| 1777 | /// @return What to do with the exception |
---|
| 1778 | LONG WINAPI |
---|
| 1779 | Dhp__UnhandledExceptionFilter(PEXCEPTION_POINTERS ptrs) |
---|
| 1780 | { |
---|
| 1781 | char szLogFileName[MAX_PATH+1]; |
---|
| 1782 | char szDmpFileName[MAX_PATH+1]; |
---|
| 1783 | FILE* log_file; |
---|
| 1784 | |
---|
| 1785 | // check if the crash handler was already loaded (crash while handling the crash) |
---|
| 1786 | if( dbghelp_dll != INVALID_HANDLE_VALUE ) |
---|
| 1787 | return EXCEPTION_CONTINUE_SEARCH; |
---|
| 1788 | |
---|
| 1789 | // don't log anything if we're running inside a debugger ... |
---|
| 1790 | if( Dhp__IsDebuggerPresent() == TRUE ) |
---|
| 1791 | return EXCEPTION_CONTINUE_SEARCH; |
---|
| 1792 | |
---|
| 1793 | // ... or if we can't load dbghelp.dll ... |
---|
| 1794 | if( Dhp__LoadDbghelpDll() == FALSE ) |
---|
| 1795 | return EXCEPTION_CONTINUE_SEARCH; |
---|
| 1796 | |
---|
| 1797 | // ... or if we can't create the log files |
---|
| 1798 | if( Dhp__CreateFiles(szLogFileName, szDmpFileName) == FALSE ) |
---|
| 1799 | return EXCEPTION_CONTINUE_SEARCH; |
---|
| 1800 | |
---|
| 1801 | // open log file |
---|
| 1802 | log_file = fopen(szLogFileName, "wt"); |
---|
| 1803 | |
---|
| 1804 | // print information about the process |
---|
| 1805 | Dhp__PrintProcessInfo( |
---|
| 1806 | ptrs ? ptrs->ExceptionRecord : NULL, |
---|
| 1807 | ptrs ? ptrs->ContextRecord : NULL, |
---|
| 1808 | log_file); |
---|
| 1809 | |
---|
| 1810 | // print the stacktrace |
---|
| 1811 | Dhp__PrintStacktrace( |
---|
| 1812 | ptrs ? ptrs->ContextRecord : NULL, |
---|
| 1813 | log_file); |
---|
| 1814 | |
---|
| 1815 | // write the minidump file and use the callback to print the list of modules to the log file |
---|
| 1816 | Dhp__WriteMinidumpFile( |
---|
| 1817 | szDmpFileName, |
---|
| 1818 | ptrs, |
---|
| 1819 | Dhp__PrintModuleInfoCallback, |
---|
| 1820 | log_file); |
---|
| 1821 | |
---|
| 1822 | fclose(log_file); |
---|
| 1823 | |
---|
| 1824 | Dhp__UnloadDbghlpDll(); |
---|
| 1825 | |
---|
| 1826 | // inform the user |
---|
| 1827 | fprintf(stderr, |
---|
| 1828 | "\n" |
---|
| 1829 | "This application has halted due to an unexpected error.\n" |
---|
| 1830 | "A crash report and minidump file were saved to disk, you can find them here:\n" |
---|
| 1831 | "%s\n" |
---|
| 1832 | "%s\n" |
---|
| 1833 | DBG_EXTENDED_INFORMATION |
---|
| 1834 | "\n" |
---|
| 1835 | "NOTE: The crash report and minidump files can contain sensitive information\n" |
---|
| 1836 | "(filenames, partial file content, usernames and passwords etc.)\n", |
---|
| 1837 | szLogFileName, |
---|
| 1838 | szDmpFileName); |
---|
| 1839 | |
---|
| 1840 | // terminate the application |
---|
| 1841 | return EXCEPTION_EXECUTE_HANDLER; |
---|
| 1842 | } |
---|
| 1843 | |
---|
| 1844 | |
---|
| 1845 | |
---|
| 1846 | ///////////////////////////////////////////////////////////////////// |
---|
| 1847 | // DLL stuff |
---|
| 1848 | #if !defined(DBG_EMBEDDED) |
---|
| 1849 | |
---|
| 1850 | |
---|
| 1851 | /// Previous exception filter. |
---|
| 1852 | static LPTOP_LEVEL_EXCEPTION_FILTER previousFilter; |
---|
| 1853 | |
---|
| 1854 | |
---|
| 1855 | #if defined(__GNUC__) |
---|
| 1856 | // GNU : define DLL load/unload functions |
---|
| 1857 | static void Dhp__OnStartup(void) __attribute__((constructor)); |
---|
| 1858 | static void Dhp__OnExit(void) __attribute__((destructor)); |
---|
| 1859 | #endif /* defined(__GNUC__) */ |
---|
| 1860 | |
---|
| 1861 | |
---|
| 1862 | /// Installs as the unhandled exception handler. |
---|
| 1863 | void Dhp__OnStartup(void) |
---|
| 1864 | { |
---|
| 1865 | // Install the unhandled exception filter function |
---|
| 1866 | previousFilter = SetUnhandledExceptionFilter(Dhp__UnhandledExceptionFilter); |
---|
| 1867 | } |
---|
| 1868 | |
---|
| 1869 | |
---|
| 1870 | /// Uninstalls the handler. |
---|
| 1871 | void Dhp__OnExit(void) |
---|
| 1872 | { |
---|
| 1873 | SetUnhandledExceptionFilter(previousFilter); |
---|
| 1874 | } |
---|
| 1875 | |
---|
| 1876 | |
---|
| 1877 | #if !defined(__GNUC__) |
---|
| 1878 | // Windows : invoke DLL load/unload functions |
---|
| 1879 | BOOL APIENTRY DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved) |
---|
| 1880 | { |
---|
| 1881 | switch( dwReason ) |
---|
| 1882 | { |
---|
| 1883 | case DLL_PROCESS_ATTACH: Dhp__OnStartup(); break; |
---|
| 1884 | case DLL_PROCESS_DETACH: Dhp__OnExit(); break; |
---|
| 1885 | } |
---|
| 1886 | return TRUE; |
---|
| 1887 | } |
---|
| 1888 | #endif /* !defined(__GNUC__) */ |
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| 1889 | |
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| 1890 | |
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| 1891 | |
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| 1892 | #endif /* !defined(DBG_EMBEDDED) */ |
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| 1893 | |
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| 1894 | |
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| 1895 | |
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| 1896 | #endif /* _WIN32 */ |
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