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@@ -0,0 +1,1895 @@
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+/*
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+ * 2008 January 19
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+ *
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+ * The author disclaims copyright to this source code. In place of
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+ * a legal notice, here is a blessing:
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+ *
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+ * May you do good and not evil.
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+ * May you find forgiveness for yourself and forgive others.
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+ * May you share freely, never taking more than you give.
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+ *
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+ ********************************************************************
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+ *
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+ * DONE:
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+ * - Command line
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+ * - Windows version
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+ * - Exception
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+ * - Registers
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+ * - Stacktrace (frame number starting at 0)
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+ * + Functions:
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+ * - address
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+ * - name
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+ * - offset in the function
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+ * - line number and source file
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+ * - source code of the line (external source)
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+ * - function parameters
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+ * - local function variables
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+ * + Variables/parameters:
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+ * - variable name
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+ * - variable type (char/wchar, integers, floats, enums, arrays,
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+ * pointers, structs, unions, ...)
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+ * - readability of memory
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+ * - value of char/wchar
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+ * - value of integers
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+ * - value of floats
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+ * - value of enums (hex number)
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+ * - values of arrays
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+ * - address of pointers
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+ * - value of simple pointers (not pointing to another pointer)
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+ * - show (char*) and (wchar*) as nul-terminated strings
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+ * - show chars/wchar escaped
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+ * + Modules:
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+ * - base address
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+ * - file
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+ * - version
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+ * - size
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+ *
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+ * TODO:
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+ * + Variables/parameters:
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+ * - structure members
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+ * - union members
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+ * - Portability to MinGW
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+ *
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+ * $Id$
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+ */
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+
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+#ifdef _WIN32
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+
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+
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+/////////////////////////////////////////////////////////////////////
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+// Include files
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+//
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+
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+#include <assert.h>
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+
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+#define WIN32_LEAN_AND_MEAN
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+#include <windows.h>
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+
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+#define _NO_CVCONST_H
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+#include <dbghelp.h>
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+
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <time.h>
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+
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+
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+/////////////////////////////////////////////////////////////////////
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+// Types from Cvconst.h (DIA SDK)
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+//
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+
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+#ifdef _NO_CVCONST_H
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+
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+typedef enum _BasicType
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+{
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+ btNoType = 0,
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+ btVoid = 1,
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+ btChar = 2,
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+ btWChar = 3,
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+ btInt = 6,
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+ btUInt = 7,
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+ btFloat = 8,
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+ btBCD = 9,
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+ btBool = 10,
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+ btLong = 13,
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+ btULong = 14,
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+ btCurrency = 25,
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+ btDate = 26,
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+ btVariant = 27,
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+ btComplex = 28,
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+ btBit = 29,
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+ btBSTR = 30,
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+ btHresult = 31
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+} BasicType;
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+
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+typedef enum _UdtKind
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+{
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+ UdtStruct,
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+ UdtClass,
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+ UdtUnion
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+} UdtKind;
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+
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+typedef enum _SymTag {
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+ SymTagNull = 0,
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+ SymTagExe = 1,
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+ SymTagCompiland = 2,
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+ SymTagCompilandDetails = 3,
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+ SymTagCompilandEnv = 4,
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+ SymTagFunction = 5,
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+ SymTagBlock = 6,
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+ SymTagData = 7,
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+ SymTagAnnotation = 8,
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+ SymTagLabel = 9,
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+ SymTagPublicSymbol = 10,
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+ SymTagUDT = 11,
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+ SymTagEnum = 12,
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+ SymTagFunctionType = 13,
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+ SymTagPointerType = 14,
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+ SymTagArrayType = 15,
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+ SymTagBaseType = 16,
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+ SymTagTypedef = 17,
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+ SymTagBaseClass = 18,
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+ SymTagFriend = 19,
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+ SymTagFunctionArgType = 20,
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+ SymTagFuncDebugStart = 21,
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+ SymTagFuncDebugEnd = 22,
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+ SymTagUsingNamespace = 23,
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+ SymTagVTableShape = 24,
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+ SymTagVTable = 25,
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+ SymTagCustom = 26,
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+ SymTagThunk = 27,
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+ SymTagCustomType = 28,
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+ SymTagManagedType = 29,
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+ SymTagDimension = 30
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+} SymTag;
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+
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+#endif /* _NO_CVCONST_H */
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+
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+
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+/////////////////////////////////////////////////////////////////////
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+// dbghelp function prototypes
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+//
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+
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+typedef BOOL (WINAPI *MINIDUMPWRITEDUMP)(
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+ HANDLE hProcess,
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+ DWORD ProcessId,
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+ HANDLE hFile,
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+ MINIDUMP_TYPE DumpType,
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+ CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
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+ CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
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+ CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam
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+);
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+typedef BOOL (WINAPI *SYMINITIALIZE)(
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+ HANDLE hProcess,
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+ PSTR UserSearchPath,
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+ BOOL fInvadeProcess
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+);
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+typedef DWORD (WINAPI *SYMSETOPTIONS)(
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+ DWORD SymOptions
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+);
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+typedef DWORD (WINAPI *SYMGETOPTIONS)(
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+ VOID
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+);
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+typedef BOOL (WINAPI *SYMCLEANUP)(
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+ HANDLE hProcess
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+);
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+typedef BOOL (WINAPI *SYMGETTYPEINFO)(
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+ HANDLE hProcess,
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+ DWORD64 ModBase,
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+ ULONG TypeId,
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+ IMAGEHLP_SYMBOL_TYPE_INFO GetType,
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+ PVOID pInfo
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+);
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+typedef BOOL (WINAPI *SYMGETLINEFROMADDR)(
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+ HANDLE hProcess,
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+ DWORD dwAddr,
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+ PDWORD pdwDisplacement,
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+ PIMAGEHLP_LINE Line
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+);
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+typedef BOOL (WINAPI *SYMENUMSYMBOLS)(
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+ HANDLE hProcess,
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+ ULONG64 BaseOfDll,
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+ PCSTR Mask,
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+ PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
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+ PVOID UserContext
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+);
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+typedef BOOL (WINAPI *SYMSETCONTEXT)(
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+ HANDLE hProcess,
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+ PIMAGEHLP_STACK_FRAME StackFrame,
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+ PIMAGEHLP_CONTEXT Context
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+);
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+typedef BOOL (WINAPI *SYMFROMADDR)(
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+ HANDLE hProcess,
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+ DWORD64 Address,
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+ PDWORD64 Displacement,
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+ PSYMBOL_INFO Symbol
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+);
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+typedef BOOL (WINAPI *STACKWALK)(
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+ DWORD MachineType,
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+ HANDLE hProcess,
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+ HANDLE hThread,
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+ LPSTACKFRAME StackFrame,
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+ PVOID ContextRecord,
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+ PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
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+ PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
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+ PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
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+ PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
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+);
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+typedef PVOID (WINAPI *SYMFUNCTIONTABLEACCESS)(
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+ HANDLE hProcess,
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+ DWORD AddrBase
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+);
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+typedef DWORD (WINAPI *SYMGETMODULEBASE)(
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+ HANDLE hProcess,
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+ DWORD dwAddr
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+);
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+
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+
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+/////////////////////////////////////////////////////////////////////
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+// Custom info
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+
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+/// Internal structure used to pass some data around
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+typedef struct _InternalData {
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+ // PrintStacktrace
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+ FILE* log_file;
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+ STACKFRAME* pStackframe;
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+ HANDLE hProcess;
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+ DWORD nr_of_frame;
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+
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+ // PrintFunctionDetail
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+ BOOL as_arg_list;
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+ BOOL log_params;
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+ BOOL log_locals;
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+ BOOL log_globals;
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+ DWORD nr_of_var;
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+
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+ // PrintDataInfo
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+ ULONG64 modBase;
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+} InterData;
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+
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+/// dbghelp dll filename
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+#define DBGHELP_DLL "dbghelp.dll"
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+
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+// Default report filename, used when the module path is unavailable
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+#define DBG_DEFAULT_FILENAME "athena"
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+
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+// Extended information printed in the console
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+#define DBG_EXTENDED_INFORMATION \
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+ "Please report the crash in the bug tracker:\n" \
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+ "http://www.eathena.ws/board/index.php?autocom=bugtracker\n"
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+
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+
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+/////////////////////////////////////////////////////////////////////
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+// Global variables
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+
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+HANDLE dbghelp_dll = INVALID_HANDLE_VALUE;
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+MINIDUMPWRITEDUMP MiniDumpWriteDump_ = NULL;
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+SYMINITIALIZE SymInitialize_ = NULL;
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+SYMSETOPTIONS SymSetOptions_ = NULL;
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+SYMGETOPTIONS SymGetOptions_ = NULL;
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+SYMCLEANUP SymCleanup_ = NULL;
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+SYMGETTYPEINFO SymGetTypeInfo_ = NULL;
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+SYMGETLINEFROMADDR SymGetLineFromAddr_ = NULL;
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+SYMENUMSYMBOLS SymEnumSymbols_ = NULL;
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+SYMSETCONTEXT SymSetContext_ = NULL;
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+SYMFROMADDR SymFromAddr_ = NULL;
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+STACKWALK StackWalk_ = NULL;
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+SYMFUNCTIONTABLEACCESS SymFunctionTableAccess_ = NULL;
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+SYMGETMODULEBASE SymGetModuleBase_ = NULL;
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+
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+
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+
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+/////////////////////////////////////////////////////////////////////
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+// Code
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+
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+
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+/// Writes the minidump to file. The callback function will at the
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+/// same time write the list of modules to the log file.
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+///
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+/// @param file Filename of the minidump
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+/// @param ptrs Exception info
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+/// @param module_callback Callback for MiniDumpWriteDump
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+/// @param log_file Log file
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+static VOID
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+Dhp__WriteMinidumpFile(
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+ const char* file,
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+ PEXCEPTION_POINTERS ptrs,
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+ MINIDUMP_CALLBACK_ROUTINE module_callback,
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+ FILE* log_file)
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+{
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+ // open minidump file
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+ HANDLE minidump_file = CreateFileA(
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+ file,
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+ GENERIC_WRITE,
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+ 0,
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+ NULL,
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+ CREATE_ALWAYS,
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+ FILE_ATTRIBUTE_NORMAL,
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+ NULL
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+ );
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+
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+ if( minidump_file != INVALID_HANDLE_VALUE )
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+ {
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+ MINIDUMP_EXCEPTION_INFORMATION expt_info;
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+ MINIDUMP_CALLBACK_INFORMATION dump_cb_info;
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+
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+ expt_info.ThreadId = GetCurrentThreadId();
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+ expt_info.ExceptionPointers = ptrs;
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+ expt_info.ClientPointers = FALSE;
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+
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+ dump_cb_info.CallbackRoutine = module_callback;
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+ dump_cb_info.CallbackParam = (void*)log_file;
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+
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+ if( module_callback != NULL && log_file != NULL )
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+ fprintf(log_file, "\n\nLoaded modules:\n");
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+
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+ MiniDumpWriteDump_(
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+ GetCurrentProcess(),
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+ GetCurrentProcessId(),
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+ minidump_file,
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+ MiniDumpNormal,
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+ ptrs ? &expt_info : NULL,
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+ NULL,
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+ &dump_cb_info
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+ );
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+
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+ CloseHandle(minidump_file);
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+ }
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+}
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+
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+
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+/// Prints module information to the log file.
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+/// Used as a callback to MiniDumpWriteDump.
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+///
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+/// @param data Log file
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+/// @param callback_input
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+/// @param callback_output
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+/// @return
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+static BOOL CALLBACK
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+Dhp__PrintModuleInfoCallback(
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+ void* data,
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+ CONST PMINIDUMP_CALLBACK_INPUT callback_input,
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+ PMINIDUMP_CALLBACK_OUTPUT callback_output)
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+{
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+ if( data != NULL &&
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+ callback_input != NULL &&
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+ callback_input->CallbackType == ModuleCallback)
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+ {
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+ FILE* log_file = (FILE*)data;
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+ MINIDUMP_MODULE_CALLBACK module = callback_input->Module;
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+
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+ fprintf(log_file, "0x%p", module.BaseOfImage);
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+
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+ fprintf(log_file, " %ws", module.FullPath, log_file);
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+
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+ fprintf(log_file, " (%d.%d.%d.%d, %d bytes)\n",
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+ HIWORD(module.VersionInfo.dwFileVersionMS),
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+ LOWORD(module.VersionInfo.dwFileVersionMS),
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+ HIWORD(module.VersionInfo.dwFileVersionLS),
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+ LOWORD(module.VersionInfo.dwFileVersionLS),
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+ module.SizeOfImage);
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+ }
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+
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+ return TRUE;
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+}
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+
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+
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+/// Prints details about the current process, platform and exception
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+/// information to the log file.
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+///
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+/// @param exception Exception info
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+/// @param context Exception context
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+/// @param log_file Log file
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+static VOID
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+Dhp__PrintProcessInfo(
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+ EXCEPTION_RECORD* exception,
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+ CONTEXT* context,
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+ FILE* log_file)
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+{
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+ OSVERSIONINFOA oi;
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+ LPSTR cmd_line;
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+
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+ fprintf(log_file,
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+ "\nProcess info:\n");
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+
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+ // print the command line
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+ cmd_line = GetCommandLineA();
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+ if( cmd_line )
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+ fprintf(log_file,
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+ "Cmd line: %s\n",
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+ cmd_line);
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+
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+ // print information about the OS
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+ oi.dwOSVersionInfoSize = sizeof(oi);
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+ GetVersionExA(&oi);
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+ fprintf(log_file,
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+ "Platform: Windows OS version %d.%d build %d %s\n",
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+ oi.dwMajorVersion, oi.dwMinorVersion, oi.dwBuildNumber, oi.szCSDVersion);
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+
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+ // print the exception code
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+ if( exception )
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+ {
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+ fprintf(log_file,
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+ "\nException:\n"
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+ "0x%x",
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+ exception->ExceptionCode);
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+ switch( exception->ExceptionCode )
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+ {
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+#define PRINT(x) case x: fprintf(log_file, " "#x); break
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+ PRINT(EXCEPTION_ACCESS_VIOLATION);
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+ PRINT(EXCEPTION_DATATYPE_MISALIGNMENT);
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+ PRINT(EXCEPTION_BREAKPOINT);
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+ PRINT(EXCEPTION_SINGLE_STEP);
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+ PRINT(EXCEPTION_ARRAY_BOUNDS_EXCEEDED);
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+ PRINT(EXCEPTION_FLT_DENORMAL_OPERAND);
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+ PRINT(EXCEPTION_FLT_DIVIDE_BY_ZERO);
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+ PRINT(EXCEPTION_FLT_INEXACT_RESULT);
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+ PRINT(EXCEPTION_FLT_INVALID_OPERATION);
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+ PRINT(EXCEPTION_FLT_OVERFLOW);
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+ PRINT(EXCEPTION_FLT_STACK_CHECK);
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+ PRINT(EXCEPTION_FLT_UNDERFLOW);
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+ PRINT(EXCEPTION_INT_DIVIDE_BY_ZERO);
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+ PRINT(EXCEPTION_INT_OVERFLOW);
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+ PRINT(EXCEPTION_PRIV_INSTRUCTION);
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+ PRINT(EXCEPTION_IN_PAGE_ERROR);
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+ PRINT(EXCEPTION_ILLEGAL_INSTRUCTION);
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+ PRINT(EXCEPTION_NONCONTINUABLE_EXCEPTION);
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+ PRINT(EXCEPTION_STACK_OVERFLOW);
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+ PRINT(EXCEPTION_INVALID_DISPOSITION);
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+ PRINT(EXCEPTION_GUARD_PAGE);
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+ PRINT(EXCEPTION_INVALID_HANDLE);
|
|
|
+#undef PRINT
|
|
|
+ }
|
|
|
+
|
|
|
+ // print where the fault occured
|
|
|
+ fprintf(log_file, " at location 0x%p", exception->ExceptionAddress);
|
|
|
+
|
|
|
+ // if the exception was an access violation, print additional information
|
|
|
+ if( exception->ExceptionCode == EXCEPTION_ACCESS_VIOLATION && exception->NumberParameters >= 2 )
|
|
|
+ fprintf(log_file, " %s location 0x%p", exception->ExceptionInformation[0] ? "writing to" : "reading from", exception->ExceptionInformation[1]);
|
|
|
+
|
|
|
+ fprintf(log_file, "\n");
|
|
|
+ }
|
|
|
+
|
|
|
+ // print the register info
|
|
|
+ if( context )
|
|
|
+ {
|
|
|
+#if defined(_M_IX86)
|
|
|
+ fprintf(log_file,
|
|
|
+ "\nRegisters:\n");
|
|
|
+ if( context->ContextFlags & CONTEXT_INTEGER )
|
|
|
+ {
|
|
|
+ fprintf(log_file,
|
|
|
+ "eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\n",
|
|
|
+ context->Eax, context->Ebx, context->Ecx,
|
|
|
+ context->Edx, context->Esi, context->Edi);
|
|
|
+ }
|
|
|
+ if( context->ContextFlags & CONTEXT_CONTROL )
|
|
|
+ {
|
|
|
+ fprintf(log_file,
|
|
|
+ "eip=%08x esp=%08x ebp=%08x iopl=%1x %s %s %s %s %s %s %s %s %s %s\n",
|
|
|
+ context->Eip, context->Esp, context->Ebp,
|
|
|
+ (context->EFlags >> 12) & 3, // IOPL level value
|
|
|
+ context->EFlags & 0x00100000 ? "vip" : " ", // VIP (virtual interrupt pending)
|
|
|
+ context->EFlags & 0x00080000 ? "vif" : " ", // VIF (virtual interrupt flag)
|
|
|
+ context->EFlags & 0x00000800 ? "ov" : "nv", // VIF (virtual interrupt flag)
|
|
|
+ context->EFlags & 0x00000400 ? "dn" : "up", // OF (overflow flag)
|
|
|
+ context->EFlags & 0x00000200 ? "ei" : "di", // IF (interrupt enable flag)
|
|
|
+ context->EFlags & 0x00000080 ? "ng" : "pl", // SF (sign flag)
|
|
|
+ context->EFlags & 0x00000040 ? "zr" : "nz", // ZF (zero flag)
|
|
|
+ context->EFlags & 0x00000010 ? "ac" : "na", // AF (aux carry flag)
|
|
|
+ context->EFlags & 0x00000004 ? "po" : "pe", // PF (parity flag)
|
|
|
+ context->EFlags & 0x00000001 ? "cy" : "nc"); // CF (carry flag)
|
|
|
+ }
|
|
|
+ if( context->ContextFlags & CONTEXT_SEGMENTS )
|
|
|
+ {
|
|
|
+ fprintf(log_file,
|
|
|
+ "cs=%04x ss=%04x ds=%04x es=%04x fs=%04x gs=%04x",
|
|
|
+ context->SegCs,
|
|
|
+ context->SegSs,
|
|
|
+ context->SegDs,
|
|
|
+ context->SegEs,
|
|
|
+ context->SegFs,
|
|
|
+ context->SegGs,
|
|
|
+ context->EFlags);
|
|
|
+ if( context->ContextFlags & CONTEXT_CONTROL )
|
|
|
+ fprintf(log_file,
|
|
|
+ " efl=%08x",
|
|
|
+ context->EFlags);
|
|
|
+ fprintf(log_file, "\n");
|
|
|
+ }
|
|
|
+ else if( context->ContextFlags & CONTEXT_CONTROL )
|
|
|
+ fprintf(log_file,
|
|
|
+ " efl=%08x\n",
|
|
|
+ context->EFlags);
|
|
|
+#else /* defined(_M_IX86) */
|
|
|
+ //TODO add more processors
|
|
|
+#endif
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints the typename of the symbol.
|
|
|
+///
|
|
|
+/// @param typeIndex Type index of the symbol
|
|
|
+/// @param symtag Symbol tag
|
|
|
+/// @param withParens If brackets are printed around the typename
|
|
|
+/// @param interData Inter data
|
|
|
+static VOID
|
|
|
+Dhp__PrintTypeName(
|
|
|
+ DWORD typeIndex,
|
|
|
+ DWORD symtag,
|
|
|
+ BOOL withParens,
|
|
|
+ InterData* interData)
|
|
|
+{
|
|
|
+ // inter data
|
|
|
+ FILE* log_file;
|
|
|
+ HANDLE hProcess;
|
|
|
+ ULONG64 modBase;
|
|
|
+ //
|
|
|
+ assert( interData != NULL );
|
|
|
+ log_file = interData->log_file;
|
|
|
+ hProcess = interData->hProcess;
|
|
|
+ modBase = interData->modBase;
|
|
|
+
|
|
|
+ if( withParens )
|
|
|
+ fprintf(log_file, "(");
|
|
|
+
|
|
|
+ switch( symtag )
|
|
|
+ {
|
|
|
+ case SymTagEnum:
|
|
|
+ {
|
|
|
+ WCHAR* pwszTypeName;
|
|
|
+
|
|
|
+ if( SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_SYMNAME, &pwszTypeName) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "enum %ls", pwszTypeName);
|
|
|
+ LocalFree(pwszTypeName);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ fprintf(log_file, "enum <symname not found>");
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case SymTagBaseType:
|
|
|
+ {
|
|
|
+ DWORD basetype;
|
|
|
+ ULONG64 length = 0;
|
|
|
+
|
|
|
+ SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_LENGTH, &length);
|
|
|
+ if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_BASETYPE, &basetype) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<basetype not found>");
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ switch( basetype )
|
|
|
+ {
|
|
|
+ case btVoid: fprintf(log_file, "void"); break;
|
|
|
+ case btChar: fprintf(log_file, "char"); break;
|
|
|
+ case btWChar: fprintf(log_file, "wchar"); break;
|
|
|
+ case btULong: fprintf(log_file, "unsigned "); // next
|
|
|
+ case btLong: fprintf(log_file, "long"); break;
|
|
|
+ case btUInt: fprintf(log_file, "unsigned "); // next
|
|
|
+ case btInt:
|
|
|
+ if( length == sizeof(char) ) fprintf(log_file, "char");
|
|
|
+ else if( length == sizeof(short) ) fprintf(log_file, "short");
|
|
|
+ else if( length == sizeof(int) ) fprintf(log_file, "int");
|
|
|
+ else if( length == sizeof(long long) ) fprintf(log_file, "long long");
|
|
|
+ else fprintf(log_file, "<int%d>", length*8);
|
|
|
+ break;
|
|
|
+ case btFloat:
|
|
|
+ if( length == sizeof(float) ) fprintf(log_file, "float");
|
|
|
+ else if( length == sizeof(double) ) fprintf(log_file, "double");
|
|
|
+ else if( length == sizeof(long double) ) fprintf(log_file, "long double");
|
|
|
+ else fprintf(log_file, "<float%d>", length*8);
|
|
|
+ break;
|
|
|
+ default: fprintf(log_file, "<TODO name of basetype %d %d>", basetype, length); break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case SymTagPointerType:
|
|
|
+ {
|
|
|
+ DWORD subtype;
|
|
|
+ DWORD subtag;
|
|
|
+
|
|
|
+ if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_TYPE, &subtype) )
|
|
|
+ fprintf(log_file, "<type not found>*");
|
|
|
+ else if( !SymGetTypeInfo_(hProcess, modBase, subtype, TI_GET_SYMTAG, &subtag) )
|
|
|
+ fprintf(log_file, "<symtag not found>*");
|
|
|
+ else
|
|
|
+ {
|
|
|
+ Dhp__PrintTypeName(subtype, subtag, FALSE, interData);
|
|
|
+ fprintf(log_file, "*");
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case SymTagArrayType:
|
|
|
+ {
|
|
|
+ DWORD childTypeIndex;
|
|
|
+ DWORD childSymtag;
|
|
|
+
|
|
|
+ // print root type
|
|
|
+ childTypeIndex = typeIndex;
|
|
|
+ childSymtag = symtag;
|
|
|
+ for( ; ; )
|
|
|
+ {
|
|
|
+ if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_TYPE, &childTypeIndex) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<child type not found>");
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_SYMTAG, &childSymtag) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<child symtag not found>");
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if( childSymtag != SymTagArrayType )
|
|
|
+ {
|
|
|
+ Dhp__PrintTypeName(childTypeIndex, childSymtag, FALSE, interData);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ // next dimension
|
|
|
+ }
|
|
|
+ // print dimensions
|
|
|
+ childTypeIndex = typeIndex;
|
|
|
+ childSymtag = symtag;
|
|
|
+ for( ; childSymtag == SymTagArrayType ; )
|
|
|
+ {
|
|
|
+ DWORD childCount;
|
|
|
+ if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_COUNT, &childCount) )
|
|
|
+ fprintf(log_file, "[<count not found>]");
|
|
|
+ else
|
|
|
+ fprintf(log_file, "[%u]", childCount);
|
|
|
+ if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_TYPE, &childTypeIndex) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<child type not found>");
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_SYMTAG, &childSymtag) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<child symtag not found>");
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ // next dimension
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ {
|
|
|
+ WCHAR* pSymname;
|
|
|
+ DWORD udtkind;
|
|
|
+
|
|
|
+ if( SymGetTypeInfo_( hProcess, modBase, typeIndex, TI_GET_UDTKIND, &udtkind) )
|
|
|
+ {
|
|
|
+ switch( (UdtKind)udtkind )
|
|
|
+ {
|
|
|
+ case UdtStruct: fprintf(log_file, "struct "); break;
|
|
|
+ case UdtClass: fprintf(log_file, "class "); break;
|
|
|
+ case UdtUnion: fprintf(log_file, "union "); break;
|
|
|
+ default: fprintf(log_file, "<unknown udtkind %d> ", udtkind); break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if( SymGetTypeInfo_( hProcess, modBase, typeIndex, TI_GET_SYMNAME, &pSymname ) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "%ls", pSymname);
|
|
|
+ LocalFree( pSymname );
|
|
|
+ }
|
|
|
+ else
|
|
|
+ fprintf(log_file, "<TODO typename of tag %d>", symtag); break;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ if( withParens )
|
|
|
+ fprintf(log_file, ")");
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints the bytes in the target location.
|
|
|
+///
|
|
|
+/// @param log_file Log file
|
|
|
+/// @param p Pointer to the data
|
|
|
+/// @param length Length of the data
|
|
|
+static VOID
|
|
|
+Dhp__PrintValueBytes(
|
|
|
+ FILE* log_file,
|
|
|
+ BYTE* p,
|
|
|
+ ULONG64 length)
|
|
|
+{
|
|
|
+ ULONG64 i;
|
|
|
+
|
|
|
+ fprintf(log_file, "<bytes:");
|
|
|
+ for( i = 0; i < length; ++i )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "%02X", p[i]);
|
|
|
+ }
|
|
|
+ fprintf(log_file, ">");
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints a wide string/char value.
|
|
|
+///
|
|
|
+/// @param log_file Log file
|
|
|
+/// @param p Pointer to the value
|
|
|
+/// @param length Length of the value
|
|
|
+static VOID
|
|
|
+Dhp__PrintValueWideChars(
|
|
|
+ FILE* log_file,
|
|
|
+ WCHAR* wstr,
|
|
|
+ ULONG64 length,
|
|
|
+ BOOL isString)
|
|
|
+{
|
|
|
+ ULONG64 i;
|
|
|
+ char* buf;
|
|
|
+ char delim;
|
|
|
+
|
|
|
+ length /= sizeof(WCHAR);
|
|
|
+ delim = ( isString || length > 1 ? '\"' : '\'' );
|
|
|
+ fprintf(log_file, "%c", delim);
|
|
|
+ buf = (char *)LocalAlloc(LMEM_FIXED, MB_CUR_MAX+1);
|
|
|
+ buf[MB_CUR_MAX] = '\0';
|
|
|
+ for( i = 0; i < length; ++i )
|
|
|
+ {
|
|
|
+ int n;
|
|
|
+ switch( wstr[i] )
|
|
|
+ {
|
|
|
+ case L'\"': fprintf(log_file, "\\\""); break;
|
|
|
+ case L'\'': fprintf(log_file, "\\\'"); break;
|
|
|
+ case L'\\': fprintf(log_file, "\\\\"); break;
|
|
|
+ case L'\a': fprintf(log_file, "\\a"); break;
|
|
|
+ case L'\b': fprintf(log_file, "\\b"); break;
|
|
|
+ case L'\f': fprintf(log_file, "\\f"); break;
|
|
|
+ case L'\n': fprintf(log_file, "\\n"); break;
|
|
|
+ case L'\r': fprintf(log_file, "\\r"); break;
|
|
|
+ case L'\t': fprintf(log_file, "\\t"); break;
|
|
|
+ case L'\v': fprintf(log_file, "\\v"); break;
|
|
|
+ default:
|
|
|
+ if( iswprint(wstr[i]) && (n=wctomb(buf, wstr[i])) > 0 )
|
|
|
+ {
|
|
|
+ buf[n] = '\0';
|
|
|
+ fprintf(log_file, "%s", buf);
|
|
|
+ }
|
|
|
+ else fprintf(log_file, "\\u%04X", wstr[i]);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ LocalFree(buf);
|
|
|
+ fprintf(log_file, "%c", delim);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints a string/char value.
|
|
|
+///
|
|
|
+/// @param log_file Log file
|
|
|
+/// @param p Pointer to the value
|
|
|
+/// @param length Length of the value
|
|
|
+static VOID
|
|
|
+Dhp__PrintValueChars(
|
|
|
+ FILE* log_file,
|
|
|
+ char* str,
|
|
|
+ ULONG64 length,
|
|
|
+ BOOL isString)
|
|
|
+{
|
|
|
+ ULONG64 i;
|
|
|
+ char delim;
|
|
|
+
|
|
|
+ length /= sizeof(char);
|
|
|
+ delim = ( isString || length > 1 ? '\"' : '\'' );
|
|
|
+ fprintf(log_file, "%c", delim);
|
|
|
+ for( i = 0; i < length; ++i )
|
|
|
+ {
|
|
|
+ switch( str[i] )
|
|
|
+ {
|
|
|
+ case '\"': fprintf(log_file, "\\\""); break;
|
|
|
+ case '\'': fprintf(log_file, "\\\'"); break;
|
|
|
+ case '\\': fprintf(log_file, "\\\\"); break;
|
|
|
+ case '\a': fprintf(log_file, "\\a"); break;
|
|
|
+ case '\b': fprintf(log_file, "\\b"); break;
|
|
|
+ case '\f': fprintf(log_file, "\\f"); break;
|
|
|
+ case '\n': fprintf(log_file, "\\n"); break;
|
|
|
+ case '\r': fprintf(log_file, "\\r"); break;
|
|
|
+ case '\t': fprintf(log_file, "\\t"); break;
|
|
|
+ case '\v': fprintf(log_file, "\\v"); break;
|
|
|
+ default:
|
|
|
+ if( isprint((unsigned char)str[i]) ) fprintf(log_file, "%c", str[i]);
|
|
|
+ else fprintf(log_file, "\\x%02X", (unsigned char)str[i]);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ fprintf(log_file, "%c", delim);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints a float value.
|
|
|
+///
|
|
|
+/// @param log_file Log file
|
|
|
+/// @param p Pointer to the value
|
|
|
+/// @param length Length of the value
|
|
|
+static VOID
|
|
|
+Dhp__PrintValueFloat(
|
|
|
+ FILE* log_file,
|
|
|
+ VOID* p,
|
|
|
+ ULONG64 length)
|
|
|
+{
|
|
|
+ if( length == sizeof(float) ) fprintf(log_file, "%f", *(float*)p);
|
|
|
+ else if( length == sizeof(double) ) fprintf(log_file, "%lf", *(double*)p);
|
|
|
+ else if( length == sizeof(long double) ) fprintf(log_file, "%Lf", *(long double*)p);
|
|
|
+ else
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<unexpected length %I64u>", length);
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)p, length);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints a hex value.
|
|
|
+///
|
|
|
+/// @param log_file Log file
|
|
|
+/// @param p Pointer to the value
|
|
|
+/// @param length Length of the value
|
|
|
+static VOID
|
|
|
+Dhp__PrintValueHex(
|
|
|
+ FILE* log_file,
|
|
|
+ VOID* p,
|
|
|
+ ULONG64 length)
|
|
|
+{
|
|
|
+ if( length == sizeof(UINT32) ) fprintf(log_file, "0x%I32X", *(UINT32*)p);
|
|
|
+ else if( length == sizeof(UINT64) ) fprintf(log_file, "0x%I64X", *(UINT64*)p);
|
|
|
+ else if( length == sizeof(char) ) fprintf(log_file, "0x%X", *(unsigned char*)p);
|
|
|
+ else if( length == sizeof(short) ) fprintf(log_file, "0x%X", *(unsigned short*)p);
|
|
|
+ else if( length == sizeof(int) ) fprintf(log_file, "0x%x", *(unsigned int*)p);
|
|
|
+ else if( length == sizeof(long) ) fprintf(log_file, "0x%lX", *(unsigned long*)p);
|
|
|
+ else if( length == sizeof(long long) ) fprintf(log_file, "0x%llX", *(unsigned long long*)p);
|
|
|
+ else
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<unexpected length %I64u>", length);
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)p, length);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints an unsigned integer value.
|
|
|
+///
|
|
|
+/// @param log_file Log file
|
|
|
+/// @param p Pointer to the value
|
|
|
+/// @param length Length of the value
|
|
|
+static VOID
|
|
|
+Dhp__PrintValueUnsigned(
|
|
|
+ FILE* log_file,
|
|
|
+ VOID* p,
|
|
|
+ ULONG64 length)
|
|
|
+{
|
|
|
+ if( length == sizeof(INT32) ) fprintf(log_file, "%I32u", *(INT32*)p);
|
|
|
+ else if( length == sizeof(INT64) ) fprintf(log_file, "%I64u", *(INT64*)p);
|
|
|
+ else if( length == sizeof(char) ) fprintf(log_file, "%u", *(unsigned char*)p);
|
|
|
+ else if( length == sizeof(short) ) fprintf(log_file, "%u", *(unsigned short*)p);
|
|
|
+ else if( length == sizeof(int) ) fprintf(log_file, "%u", *(unsigned int*)p);
|
|
|
+ else if( length == sizeof(long) ) fprintf(log_file, "%lu", *(unsigned long*)p);
|
|
|
+ else if( length == sizeof(long long) ) fprintf(log_file, "%llu", *(unsigned long long*)p);
|
|
|
+ else
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<unexpected length %I64u>", length);
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)p, length);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints a signed integer value.
|
|
|
+///
|
|
|
+/// @param log_file Log file
|
|
|
+/// @param p Pointer to the value
|
|
|
+/// @param length Length of the value
|
|
|
+static VOID
|
|
|
+Dhp__PrintValueSigned(
|
|
|
+ FILE* log_file,
|
|
|
+ VOID* p,
|
|
|
+ ULONG64 length)
|
|
|
+{
|
|
|
+ if( length == sizeof(INT32) ) fprintf(log_file, "%I32d", *(INT32*)p);
|
|
|
+ else if( length == sizeof(INT64) ) fprintf(log_file, "%I64d", *(INT64*)p);
|
|
|
+ else if( length == sizeof(char) ) fprintf(log_file, "%d", *(signed char*)p);
|
|
|
+ else if( length == sizeof(short) ) fprintf(log_file, "%d", *(signed short*)p);
|
|
|
+ else if( length == sizeof(int) ) fprintf(log_file, "%d", *(signed int*)p);
|
|
|
+ else if( length == sizeof(long) ) fprintf(log_file, "%ld", *(signed long*)p);
|
|
|
+ else if( length == sizeof(long long) ) fprintf(log_file, "%lld", *(signed long long*)p);
|
|
|
+ else
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<unexpected length %I64u>", length);
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)p, length);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints a nul-terminated wide string value.
|
|
|
+/// Checks if the memory can be read from.
|
|
|
+///
|
|
|
+/// @param log_file Log file
|
|
|
+/// @param str Target string
|
|
|
+static VOID
|
|
|
+Dhp__PrintValueCWideString(
|
|
|
+ FILE* log_file,
|
|
|
+ WCHAR* str)
|
|
|
+{
|
|
|
+ ULONG64 length = 0;
|
|
|
+
|
|
|
+ // check if memory is readable
|
|
|
+ __try
|
|
|
+ {
|
|
|
+ while( str[length] != L'\0')
|
|
|
+ ++length;
|
|
|
+ }
|
|
|
+ __except( EXCEPTION_EXECUTE_HANDLER )
|
|
|
+ {
|
|
|
+ if( length ) Dhp__PrintValueWideChars(log_file, str, length, TRUE); // print readable part
|
|
|
+ fprintf(log_file, "<invalid memory>");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // print string
|
|
|
+ Dhp__PrintValueWideChars(log_file, str, length, TRUE);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints a nul-terminated string value.
|
|
|
+/// Checks if the memory can be read from.
|
|
|
+///
|
|
|
+/// @param log_file Log file
|
|
|
+/// @param str Target string
|
|
|
+static VOID
|
|
|
+Dhp__PrintValueCString(
|
|
|
+ FILE* log_file,
|
|
|
+ char* str)
|
|
|
+{
|
|
|
+ ULONG64 length = 0;
|
|
|
+
|
|
|
+ assert( log_file != NULL );
|
|
|
+
|
|
|
+ // check if memory is readable
|
|
|
+ __try
|
|
|
+ {
|
|
|
+ while( str[length] != '\0')
|
|
|
+ ++length;
|
|
|
+ }
|
|
|
+ __except( EXCEPTION_EXECUTE_HANDLER )
|
|
|
+ {
|
|
|
+ if( length ) Dhp__PrintValueChars(log_file, str, length, TRUE); // print readable part
|
|
|
+ fprintf(log_file, "<invalid memory>");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // print string
|
|
|
+ Dhp__PrintValueChars(log_file, str, length, TRUE);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+// forward declaration of Dhp__PrintDataContents
|
|
|
+static VOID Dhp__PrintDataContents(DWORD typeIndex, PVOID pVariable, InterData* interData);
|
|
|
+
|
|
|
+
|
|
|
+/// Prints the value of the data symbol.
|
|
|
+/// Checks if the memory can be read from.
|
|
|
+///
|
|
|
+/// @param typeIndex Type index of the symbol
|
|
|
+/// @param symtag Symbol tag
|
|
|
+/// @param pVariable Address to the symbol contents
|
|
|
+/// @param pInterData Inter data
|
|
|
+static VOID
|
|
|
+Dhp__PrintDataValue(
|
|
|
+ DWORD typeIndex,
|
|
|
+ DWORD symtag,
|
|
|
+ PVOID pVariable,
|
|
|
+ InterData* pInterData)
|
|
|
+{
|
|
|
+ // inter data
|
|
|
+ FILE* log_file;
|
|
|
+ DWORD64 modBase;
|
|
|
+ HANDLE hProcess;
|
|
|
+ //
|
|
|
+ ULONG64 length = 0;
|
|
|
+ DWORD basetype;
|
|
|
+ BOOL isValid = TRUE;
|
|
|
+
|
|
|
+ assert( pInterData != NULL );
|
|
|
+ log_file = pInterData->log_file;
|
|
|
+ modBase = pInterData->modBase;
|
|
|
+ hProcess = pInterData->hProcess;
|
|
|
+
|
|
|
+ if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_LENGTH, &length) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<unknown data length>");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // check if memory is readable
|
|
|
+ __try
|
|
|
+ {
|
|
|
+ BYTE* p = (BYTE*)pVariable;
|
|
|
+ ULONG i;
|
|
|
+ BYTE b;
|
|
|
+ for( i = 0; i < length; ++i )
|
|
|
+ b = p[i];
|
|
|
+ }
|
|
|
+ __except( EXCEPTION_EXECUTE_HANDLER )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<invalid memory>");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ switch( symtag )
|
|
|
+ {
|
|
|
+ case SymTagBaseType:
|
|
|
+ {
|
|
|
+ if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_BASETYPE, &basetype) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<basetype not found>");
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ switch( basetype )
|
|
|
+ {
|
|
|
+ case btInt:
|
|
|
+ case btLong:
|
|
|
+ Dhp__PrintValueSigned(log_file, pVariable, length);
|
|
|
+ break;
|
|
|
+ case btUInt:
|
|
|
+ case btULong:
|
|
|
+ Dhp__PrintValueUnsigned(log_file, pVariable, length);
|
|
|
+ break;
|
|
|
+ case btFloat:
|
|
|
+ Dhp__PrintValueFloat(log_file, pVariable, length);
|
|
|
+ break;
|
|
|
+ case btChar:
|
|
|
+ {
|
|
|
+ if( length == sizeof(char) ) fprintf(log_file, "%u ", *(unsigned char*)pVariable);
|
|
|
+ Dhp__PrintValueChars(log_file, (char*)pVariable, length, FALSE);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case btWChar:
|
|
|
+ {
|
|
|
+ if( length == sizeof(WCHAR) ) fprintf(log_file, "%u ", *(WCHAR*)pVariable);
|
|
|
+ Dhp__PrintValueWideChars(log_file, (WCHAR*)pVariable, length, FALSE);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case btVoid:
|
|
|
+ if( length > 0 ) Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ fprintf(log_file, "<TODO value of basetype %d>", basetype);
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case SymTagEnum:
|
|
|
+ Dhp__PrintValueHex(log_file, pVariable, length);
|
|
|
+ break;
|
|
|
+ case SymTagPointerType:
|
|
|
+ {
|
|
|
+ DWORD childTypeIndex;
|
|
|
+ DWORD childSymtag;
|
|
|
+
|
|
|
+ fprintf(log_file, "0x%p", *(void**)pVariable);
|
|
|
+ if( SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_TYPE, &childTypeIndex) &&
|
|
|
+ SymGetTypeInfo_(hProcess, modBase, childTypeIndex, TI_GET_SYMTAG, &childSymtag) &&
|
|
|
+ childSymtag != SymTagPointerType )
|
|
|
+ {
|
|
|
+ DWORD childBasetype;
|
|
|
+
|
|
|
+ // child isn't a pointer, print the contents
|
|
|
+ fprintf(log_file, " ");
|
|
|
+ if( childSymtag == SymTagBaseType &&
|
|
|
+ SymGetTypeInfo_(hProcess, modBase, childTypeIndex, TI_GET_BASETYPE, &childBasetype) &&
|
|
|
+ (childBasetype == btChar || childBasetype == btWChar) )
|
|
|
+ {
|
|
|
+ // string or wide string
|
|
|
+ if( childBasetype == btChar ) Dhp__PrintValueCString(log_file, *(char**)pVariable);
|
|
|
+ else if( childBasetype == btWChar ) Dhp__PrintValueCWideString(log_file, *(WCHAR**)pVariable);
|
|
|
+ else fprintf(log_file, "<unexpected child basetype %d>", childBasetype);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ Dhp__PrintDataValue(childTypeIndex, childSymtag, *(PVOID*)pVariable, pInterData);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case SymTagArrayType:
|
|
|
+ {
|
|
|
+ DWORD childTypeIndex;
|
|
|
+ DWORD childSymtag;
|
|
|
+ DWORD count;
|
|
|
+ DWORD i;
|
|
|
+
|
|
|
+ if( !SymGetTypeInfo_( hProcess, modBase, typeIndex, TI_GET_TYPE, &childTypeIndex) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<child type not found>");
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if( !SymGetTypeInfo_( hProcess, modBase, childTypeIndex, TI_GET_SYMTAG, &childSymtag) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<child symtag not found>");
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if( !SymGetTypeInfo_( hProcess, modBase, typeIndex, TI_GET_COUNT, &count) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<count not found>");
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ // print values
|
|
|
+ fprintf(log_file, "{");
|
|
|
+ for( i = 0; i < count; ++i )
|
|
|
+ {
|
|
|
+ BYTE* pData = pVariable;
|
|
|
+ pData += i*(length/count);
|
|
|
+ if( i > 0 ) fprintf(log_file, ",");
|
|
|
+ Dhp__PrintDataValue(childTypeIndex, childSymtag, pData, pInterData);
|
|
|
+ }
|
|
|
+ fprintf(log_file, "}");
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+#if 0
|
|
|
+ {//## TODO show children of structs/unions
|
|
|
+ TI_FINDCHILDREN_PARAMS* children;
|
|
|
+ DWORD childCount;
|
|
|
+ DWORD i;
|
|
|
+
|
|
|
+ // count children
|
|
|
+ if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_CHILDRENCOUNT, &childCount) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<child count not found>");
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Prepare to get an array of "TypeIds", representing each of the children.
|
|
|
+ // SymGetTypeInfo(TI_FINDCHILDREN) expects more memory than just a
|
|
|
+ // TI_FINDCHILDREN_PARAMS struct has. Use derivation to accomplish this.
|
|
|
+ children = (TI_FINDCHILDREN_PARAMS*)LocalAlloc(LMEM_FIXED, sizeof(TI_FINDCHILDREN_PARAMS)+childCount*sizeof(ULONG));
|
|
|
+ children->Count = childCount;
|
|
|
+ children->Start= 0;
|
|
|
+
|
|
|
+ // Get the array of TypeIds, one for each child type
|
|
|
+ if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_FINDCHILDREN, &children) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<children not found>");
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
|
|
|
+ LocalFree(children);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Iterate through each of the children
|
|
|
+ fprintf(log_file, "{");
|
|
|
+ for( i = 0; i < childCount; ++i )
|
|
|
+ {
|
|
|
+ DWORD childOffset;
|
|
|
+ DWORD childTypeid;
|
|
|
+ WCHAR* childName;
|
|
|
+ DWORD_PTR pData;
|
|
|
+
|
|
|
+ if( i > 0 ) fprintf(log_file, ",");
|
|
|
+
|
|
|
+ // Get the offset of the child member, relative to its parent
|
|
|
+ if( !SymGetTypeInfo_(hProcess, modBase, children->ChildId[i], TI_GET_OFFSET, &childOffset) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<child offset not found>");
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Get the real "TypeId" of the child.
|
|
|
+ if( !SymGetTypeInfo_(hProcess, modBase, children->ChildId[i], TI_GET_TYPEID, &childTypeid) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<child typeid not found>");
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Calculate the address of the member
|
|
|
+ pData = (DWORD_PTR)pVariable;
|
|
|
+ pData += childOffset;
|
|
|
+
|
|
|
+ // print name of the child
|
|
|
+ if( !SymGetTypeInfo_(hProcess, modBase, childTypeid, TI_GET_SYMNAME, &childName) )
|
|
|
+ {
|
|
|
+ fprintf(log_file, "<child symname not found>");
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ fprintf(log_file, "%ws=", childName);
|
|
|
+ LocalFree(childName);
|
|
|
+
|
|
|
+ // print contents of the child
|
|
|
+ Dhp__PrintDataContents(childTypeid, (PVOID)pData, interData);
|
|
|
+ }
|
|
|
+ fprintf(log_file, "}");
|
|
|
+
|
|
|
+ LocalFree(children);
|
|
|
+ }
|
|
|
+#endif
|
|
|
+ Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints the contents of the data symbol. (type and value)
|
|
|
+///
|
|
|
+/// @param typeIndex Type index of the symbol
|
|
|
+/// @param pVariable Address of the symbol contents
|
|
|
+/// @param pInterData Inter data
|
|
|
+static VOID
|
|
|
+Dhp__PrintDataContents(
|
|
|
+ DWORD typeIndex,
|
|
|
+ PVOID pVariable,
|
|
|
+ InterData* pInterData)
|
|
|
+{
|
|
|
+ // inter data
|
|
|
+ FILE* log_file;
|
|
|
+ HANDLE hProcess;
|
|
|
+ DWORD64 modBase;
|
|
|
+ //
|
|
|
+ DWORD symtag;
|
|
|
+
|
|
|
+ assert( pInterData != NULL );
|
|
|
+ log_file = pInterData->log_file;
|
|
|
+ hProcess = pInterData->hProcess;
|
|
|
+ modBase = pInterData->modBase;
|
|
|
+
|
|
|
+ if( SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_SYMTAG, &symtag) )
|
|
|
+ {
|
|
|
+ // print type
|
|
|
+ Dhp__PrintTypeName(typeIndex, symtag, TRUE, pInterData);
|
|
|
+ // print value
|
|
|
+ Dhp__PrintDataValue(typeIndex, symtag, pVariable, pInterData);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ fprintf(log_file, "<symtag not found>");
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints information about the data symbol.
|
|
|
+///
|
|
|
+/// @param pSymInfo Symbol info
|
|
|
+/// @param pInterData Inter data
|
|
|
+static VOID
|
|
|
+Dhp__PrintDataInfo(
|
|
|
+ PSYMBOL_INFO pSymInfo,
|
|
|
+ InterData* pInterData)
|
|
|
+{
|
|
|
+ // inter data
|
|
|
+ FILE* log_file;
|
|
|
+ STACKFRAME* pStackframe;
|
|
|
+ BOOL as_arg_list;
|
|
|
+ BOOL log_params;
|
|
|
+ BOOL log_locals;
|
|
|
+ BOOL log_globals;
|
|
|
+ int nr_of_var;
|
|
|
+ // my data
|
|
|
+ DWORD_PTR pVariable = 0;
|
|
|
+ enum{ UNKNOWN, PARAM, LOCAL, GLOBAL } scope = UNKNOWN;
|
|
|
+
|
|
|
+ assert( pSymInfo != NULL );
|
|
|
+ assert( pInterData != NULL );
|
|
|
+ assert( pSymInfo->Tag == SymTagData );
|
|
|
+ log_file = pInterData->log_file;
|
|
|
+ pStackframe = pInterData->pStackframe;
|
|
|
+ as_arg_list = pInterData->as_arg_list;
|
|
|
+ log_params = pInterData->log_params;
|
|
|
+ log_locals = pInterData->log_locals;
|
|
|
+ log_globals = pInterData->log_globals;
|
|
|
+ nr_of_var = pInterData->nr_of_var;
|
|
|
+
|
|
|
+ // Determine the scope and address of the variable
|
|
|
+ if( pSymInfo->Flags & SYMFLAG_REGREL )
|
|
|
+ {
|
|
|
+ pVariable = pStackframe->AddrFrame.Offset;
|
|
|
+ pVariable += (DWORD_PTR)pSymInfo->Address;
|
|
|
+ if( pSymInfo->Flags & SYMFLAG_PARAMETER )
|
|
|
+ scope = PARAM; // parameter
|
|
|
+ else if( pSymInfo->Flags & SYMFLAG_LOCAL )
|
|
|
+ {
|
|
|
+ scope = LOCAL; // local
|
|
|
+#if defined(_M_IX86)
|
|
|
+ if( (LONG64)pSymInfo->Address > 0) scope = PARAM; // parameter as local (bug in DBGHELP 5.1)
|
|
|
+#endif
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if( pSymInfo->Flags & SYMFLAG_REGISTER )
|
|
|
+ {
|
|
|
+ scope = ( pSymInfo->Flags & SYMFLAG_PARAMETER ? PARAM : LOCAL ); // register, optimized out(?)
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ pVariable = (DWORD_PTR)pSymInfo->Address;
|
|
|
+ scope = GLOBAL; // It must be a global variable
|
|
|
+ }
|
|
|
+
|
|
|
+ // check if we should to log the variable
|
|
|
+ if( (scope == PARAM && log_params) ||
|
|
|
+ (scope == LOCAL && log_locals) ||
|
|
|
+ (scope == GLOBAL && log_globals) )
|
|
|
+ {
|
|
|
+ // print prefix and name
|
|
|
+ if( as_arg_list )
|
|
|
+ fprintf(log_file, "%s%s=", (nr_of_var ? ", " : ""), pSymInfo->Name);
|
|
|
+ else
|
|
|
+ fprintf(log_file, "\t%s = ", pSymInfo->Name);
|
|
|
+
|
|
|
+ // print value
|
|
|
+ if( !(pSymInfo->Flags & SYMFLAG_REGREL) && (pSymInfo->Flags & SYMF_REGISTER) )
|
|
|
+ fprintf(log_file, "<value optimized out>");
|
|
|
+ else
|
|
|
+ {
|
|
|
+ pInterData->modBase = pSymInfo->ModBase;
|
|
|
+ Dhp__PrintDataContents(pSymInfo->TypeIndex, (PVOID)pVariable, pInterData);
|
|
|
+ }
|
|
|
+
|
|
|
+ // print postfix
|
|
|
+ if( !as_arg_list )
|
|
|
+ fprintf(log_file, "\n");
|
|
|
+ pInterData->nr_of_var = ++nr_of_var;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints information about the symbol.
|
|
|
+///
|
|
|
+/// @param pSymInfo Symbol info
|
|
|
+/// @param pInterData Inter data
|
|
|
+static VOID
|
|
|
+Dhp__PrintSymbolInfo(
|
|
|
+ PSYMBOL_INFO pSymInfo,
|
|
|
+ InterData* pInterData)
|
|
|
+{
|
|
|
+ assert( pSymInfo != NULL );
|
|
|
+ assert( pInterData != NULL );
|
|
|
+
|
|
|
+ switch( pSymInfo->Tag )
|
|
|
+ {
|
|
|
+ case SymTagData: Dhp__PrintDataInfo( pSymInfo, pInterData ); break;
|
|
|
+ default: /*fprintf(pInterData->log_file, "<unsupported symtag %d>", pSymInfo->Tag);*/ break;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints the details of one symbol to the log file.
|
|
|
+/// Used as a callback for SymEnumSymbols.
|
|
|
+///
|
|
|
+/// @param pSymInfo Symbol info
|
|
|
+/// @param symSize Size of the symbol info structure
|
|
|
+/// @param pData Inter data
|
|
|
+static BOOL WINAPI
|
|
|
+Dhp__EnumSymbolsCallback(
|
|
|
+ PSYMBOL_INFO pSymInfo,
|
|
|
+ ULONG symSize,
|
|
|
+ PVOID pData)
|
|
|
+{
|
|
|
+ if( pSymInfo == NULL )
|
|
|
+ return TRUE; // try other symbols
|
|
|
+
|
|
|
+ if( pData == NULL )
|
|
|
+ {
|
|
|
+ printf("Dhp__EnumSymbolsCallback: pData is NULL\n");
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+
|
|
|
+ Dhp__PrintSymbolInfo(pSymInfo, (InterData*)pData);
|
|
|
+ return TRUE;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints the source code of the target line.
|
|
|
+/// Searches for the target file in the original path,
|
|
|
+/// in the last src folder of the original path (relative)
|
|
|
+/// and in the current directory.
|
|
|
+///
|
|
|
+/// @param filename Original source file
|
|
|
+/// @param line Target line
|
|
|
+/// @param log_file Log file
|
|
|
+static VOID
|
|
|
+Dhp__PrintSourceLine(
|
|
|
+ FILE* log_file,
|
|
|
+ char* filename,
|
|
|
+ DWORD line)
|
|
|
+{
|
|
|
+ char path[MAX_PATH*3];
|
|
|
+ char pathBuffer[MAX_PATH+1];
|
|
|
+ char* p;
|
|
|
+
|
|
|
+ assert( filename != NULL );
|
|
|
+ assert( log_file != NULL );
|
|
|
+
|
|
|
+ // generate search paths
|
|
|
+ strcpy(path, filename); // original path
|
|
|
+ p = strrchr(path, '\\');
|
|
|
+ if( p )
|
|
|
+ {
|
|
|
+ memcpy(p, ";\0", 2);
|
|
|
+ p = strstr(filename, "\\src\\");
|
|
|
+ if( p )
|
|
|
+ {
|
|
|
+ while( strstr(p+1, "\\src\\") )
|
|
|
+ p = strstr(p+1, "\\src\\");
|
|
|
+ strcat(path, p+1); // last src folder path
|
|
|
+ p = strrchr(path, '\\');
|
|
|
+ memcpy(p, ";\0", 2);
|
|
|
+ }
|
|
|
+ filename = strrchr(filename, '\\')+1;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ *path = '\0'; // no path
|
|
|
+ strcat(path, "."); // current directoy
|
|
|
+
|
|
|
+ // search for file and line
|
|
|
+ if( SearchPathA(path, filename, NULL, MAX_PATH, pathBuffer, NULL) )
|
|
|
+ {
|
|
|
+ char code[1024+1];
|
|
|
+ DWORD i = 1;
|
|
|
+ FILE* fp;
|
|
|
+
|
|
|
+ fp = fopen(pathBuffer, "rt");
|
|
|
+ if( fp == NULL )
|
|
|
+ return;
|
|
|
+
|
|
|
+ code[1024] = '\0';
|
|
|
+ while( fgets(code, 1024, fp) )
|
|
|
+ {
|
|
|
+ if( i == line )
|
|
|
+ {// found line
|
|
|
+ char* term = strchr(code, '\n');
|
|
|
+ if( term && term != code && term[-1] == '\r' ) --term;
|
|
|
+ if( term ) *term = '\0';
|
|
|
+ fprintf(log_file, "%d\t%s\n", line, code);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if( strchr(code, '\n') )
|
|
|
+ ++i;
|
|
|
+ }
|
|
|
+ fclose(fp);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Prints details of one function to the log file.
|
|
|
+///
|
|
|
+/// @param interData Inter data
|
|
|
+static VOID
|
|
|
+Dhp__PrintFunctionDetails(
|
|
|
+ InterData* pInterData)
|
|
|
+{
|
|
|
+ // inter data
|
|
|
+ HANDLE hProcess;
|
|
|
+ STACKFRAME* pStackframe;
|
|
|
+ FILE* log_file;
|
|
|
+ int nr_of_frame;
|
|
|
+ //
|
|
|
+ PSYMBOL_INFO pSymbolInfo;
|
|
|
+ DWORD64 funcDisplacement=0;
|
|
|
+ IMAGEHLP_STACK_FRAME imagehlpStackFrame;
|
|
|
+ IMAGEHLP_LINE imagehlpLine;
|
|
|
+ DWORD lineDisplacement=0;
|
|
|
+
|
|
|
+ assert( pInterData != NULL );
|
|
|
+ hProcess = pInterData->hProcess;
|
|
|
+ pStackframe = pInterData->pStackframe;
|
|
|
+ log_file = pInterData->log_file;
|
|
|
+ nr_of_frame = pInterData->nr_of_frame;
|
|
|
+
|
|
|
+ // frame info
|
|
|
+ fprintf(log_file,
|
|
|
+ "#%d 0x%p",
|
|
|
+ nr_of_frame, (void*)(DWORD_PTR)pStackframe->AddrPC.Offset);
|
|
|
+
|
|
|
+ // restrict symbol enumeration to this frame only
|
|
|
+ ZeroMemory(&imagehlpStackFrame, sizeof(IMAGEHLP_STACK_FRAME));
|
|
|
+ imagehlpStackFrame.InstructionOffset = pStackframe->AddrPC.Offset;
|
|
|
+ SymSetContext_(hProcess, &imagehlpStackFrame, 0);
|
|
|
+
|
|
|
+ // function name and displacement
|
|
|
+ pSymbolInfo = (PSYMBOL_INFO)LocalAlloc(LMEM_FIXED, sizeof(SYMBOL_INFO)+1024);
|
|
|
+ pSymbolInfo->SizeOfStruct = sizeof(SYMBOL_INFO);
|
|
|
+ pSymbolInfo->MaxNameLen = 1024;
|
|
|
+ if( SymFromAddr_(hProcess, pStackframe->AddrPC.Offset, &funcDisplacement, pSymbolInfo) == TRUE )
|
|
|
+ {
|
|
|
+ fprintf(log_file,
|
|
|
+ " in %.1024s+0x%I64X (",
|
|
|
+ pSymbolInfo->Name, funcDisplacement);
|
|
|
+
|
|
|
+ // log all function parameters
|
|
|
+ pInterData->as_arg_list = TRUE;
|
|
|
+ pInterData->log_params = TRUE;
|
|
|
+ pInterData->log_locals = FALSE;
|
|
|
+ pInterData->log_globals = FALSE;
|
|
|
+ pInterData->nr_of_var = 0;
|
|
|
+ SymEnumSymbols_(hProcess, 0, 0, Dhp__EnumSymbolsCallback, pInterData);
|
|
|
+
|
|
|
+ fprintf(log_file,
|
|
|
+ ")");
|
|
|
+ }
|
|
|
+ else
|
|
|
+ fprintf(log_file,
|
|
|
+ "in <unknown function>");
|
|
|
+
|
|
|
+ // find the source line for this function.
|
|
|
+ imagehlpLine.SizeOfStruct = sizeof(IMAGEHLP_LINE);
|
|
|
+ if( SymGetLineFromAddr_(hProcess, pStackframe->AddrPC.Offset, &lineDisplacement, &imagehlpLine) != 0 )
|
|
|
+ {
|
|
|
+ char* filename = imagehlpLine.FileName;
|
|
|
+ DWORD line = imagehlpLine.LineNumber;
|
|
|
+
|
|
|
+ fprintf(log_file,
|
|
|
+ " at %s:%d\n",
|
|
|
+ filename, line);
|
|
|
+
|
|
|
+ Dhp__PrintSourceLine(log_file, filename, line);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ fprintf(log_file,
|
|
|
+ "\n");
|
|
|
+
|
|
|
+ // log all function local variables
|
|
|
+ pInterData->as_arg_list = FALSE;
|
|
|
+ pInterData->log_params = FALSE;
|
|
|
+ pInterData->log_locals = TRUE;
|
|
|
+ pInterData->log_globals = FALSE;
|
|
|
+ pInterData->nr_of_var = 0;
|
|
|
+ SymEnumSymbols_(hProcess, 0, 0, Dhp__EnumSymbolsCallback, pInterData);
|
|
|
+
|
|
|
+ pInterData->nr_of_frame = ++nr_of_frame;
|
|
|
+ LocalFree(pSymbolInfo);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Walks over the stack and prints all relevant information to the log file.
|
|
|
+///
|
|
|
+/// @param context Exception context
|
|
|
+/// @param log_file Log file
|
|
|
+static VOID
|
|
|
+Dhp__PrintStacktrace(
|
|
|
+ CONTEXT *context,
|
|
|
+ FILE *log_file)
|
|
|
+{
|
|
|
+ HANDLE hProcess = GetCurrentProcess();
|
|
|
+ STACKFRAME stackframe;
|
|
|
+ DWORD machine;
|
|
|
+ CONTEXT ctx;
|
|
|
+ InterData interData;
|
|
|
+ int skip = 0;
|
|
|
+ int i;
|
|
|
+
|
|
|
+ assert( log_file != NULL );
|
|
|
+
|
|
|
+ fprintf(log_file,
|
|
|
+ "\nStacktrace:\n");
|
|
|
+
|
|
|
+ // Use thread information - if not supplied.
|
|
|
+ if( context == NULL )
|
|
|
+ {
|
|
|
+ // If no context is supplied, skip 1 frame
|
|
|
+ skip = 1;
|
|
|
+
|
|
|
+ ctx.ContextFlags = CONTEXT_FULL;
|
|
|
+ if( GetThreadContext(GetCurrentThread(), &ctx) )
|
|
|
+ context = &ctx;
|
|
|
+ }
|
|
|
+
|
|
|
+ if( context == NULL )
|
|
|
+ return;
|
|
|
+
|
|
|
+ // Write the stack trace
|
|
|
+ ZeroMemory(&stackframe, sizeof(STACKFRAME));
|
|
|
+ stackframe.AddrPC.Mode = AddrModeFlat;
|
|
|
+ stackframe.AddrStack.Mode = AddrModeFlat;
|
|
|
+ stackframe.AddrFrame.Mode = AddrModeFlat;
|
|
|
+#if defined(_M_IX86)
|
|
|
+ machine = IMAGE_FILE_MACHINE_I386;
|
|
|
+ stackframe.AddrPC.Offset = context->Eip;
|
|
|
+ stackframe.AddrStack.Offset = context->Esp;
|
|
|
+ stackframe.AddrFrame.Offset = context->Ebp;
|
|
|
+#else /* defined(_M_IX86) */
|
|
|
+#error FIXME add more processors
|
|
|
+some compilers don't stop on #error, this line makes sure it errors out
|
|
|
+#endif
|
|
|
+
|
|
|
+ interData.hProcess = hProcess;
|
|
|
+ interData.log_file = log_file;
|
|
|
+ interData.pStackframe = &stackframe;
|
|
|
+ interData.nr_of_frame = 0;
|
|
|
+ for( i = 0; ; ++i )
|
|
|
+ {
|
|
|
+ if( !StackWalk_(machine, hProcess, GetCurrentThread(),
|
|
|
+ &stackframe, context, NULL, SymFunctionTableAccess_,
|
|
|
+ SymGetModuleBase_, NULL))
|
|
|
+ {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ if( i >= skip )
|
|
|
+ {
|
|
|
+ // Check that the address is not zero.
|
|
|
+ // Sometimes StackWalk returns TRUE with a frame of zero.
|
|
|
+ if( stackframe.AddrPC.Offset != 0 )
|
|
|
+ Dhp__PrintFunctionDetails(&interData);
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+typedef BOOL (WINAPI *ISDEBUGGERPRESENT)(void);
|
|
|
+/// Checks if a debugger is attached to this process
|
|
|
+///
|
|
|
+/// @return TRUE is a debugger is present
|
|
|
+static BOOL
|
|
|
+Dhp__IsDebuggerPresent()
|
|
|
+{
|
|
|
+ HANDLE kernel32_dll;
|
|
|
+ ISDEBUGGERPRESENT IsDebuggerPresent_;
|
|
|
+ BOOL result;
|
|
|
+
|
|
|
+ kernel32_dll = LoadLibraryA("kernel32.dll");
|
|
|
+ if( kernel32_dll == NULL )
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+ IsDebuggerPresent_ = (ISDEBUGGERPRESENT)GetProcAddress(kernel32_dll, "IsDebuggerPresent");
|
|
|
+ if( IsDebuggerPresent_ )
|
|
|
+ result = IsDebuggerPresent_();
|
|
|
+ else
|
|
|
+ result = FALSE;
|
|
|
+
|
|
|
+ FreeLibrary(kernel32_dll);
|
|
|
+
|
|
|
+ return result;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Loads the dbghelp.dll library.
|
|
|
+///
|
|
|
+/// @return TRUE is sucessfull
|
|
|
+static BOOL
|
|
|
+Dhp__LoadDbghelpDll()
|
|
|
+{
|
|
|
+ dbghelp_dll = LoadLibraryA(DBGHELP_DLL);
|
|
|
+ if( dbghelp_dll != INVALID_HANDLE_VALUE )
|
|
|
+ {
|
|
|
+ DWORD opts;
|
|
|
+
|
|
|
+ // load the functions
|
|
|
+ MiniDumpWriteDump_ = (MINIDUMPWRITEDUMP)GetProcAddress(dbghelp_dll, "MiniDumpWriteDump");
|
|
|
+ SymInitialize_ = (SYMINITIALIZE)GetProcAddress(dbghelp_dll, "SymInitialize");
|
|
|
+ SymSetOptions_ = (SYMSETOPTIONS)GetProcAddress(dbghelp_dll, "SymSetOptions");
|
|
|
+ SymGetOptions_ = (SYMGETOPTIONS)GetProcAddress(dbghelp_dll, "SymGetOptions");
|
|
|
+ SymCleanup_ = (SYMCLEANUP)GetProcAddress(dbghelp_dll, "SymCleanup");
|
|
|
+ SymGetTypeInfo_ = (SYMGETTYPEINFO)GetProcAddress(dbghelp_dll, "SymGetTypeInfo");
|
|
|
+ SymGetLineFromAddr_ = (SYMGETLINEFROMADDR)GetProcAddress(dbghelp_dll, "SymGetLineFromAddr");
|
|
|
+ SymEnumSymbols_ = (SYMENUMSYMBOLS)GetProcAddress(dbghelp_dll, "SymEnumSymbols");
|
|
|
+ SymSetContext_ = (SYMSETCONTEXT)GetProcAddress(dbghelp_dll, "SymSetContext");
|
|
|
+ SymFromAddr_ = (SYMFROMADDR)GetProcAddress(dbghelp_dll, "SymFromAddr");
|
|
|
+ StackWalk_ = (STACKWALK)GetProcAddress(dbghelp_dll, "StackWalk");
|
|
|
+ SymFunctionTableAccess_ = (SYMFUNCTIONTABLEACCESS)GetProcAddress(dbghelp_dll, "SymFunctionTableAccess");
|
|
|
+ SymGetModuleBase_ = (SYMGETMODULEBASE)GetProcAddress(dbghelp_dll, "SymGetModuleBase");
|
|
|
+
|
|
|
+ if( MiniDumpWriteDump_ &&
|
|
|
+ SymInitialize_ && SymSetOptions_ && SymGetOptions_ &&
|
|
|
+ SymCleanup_ && SymGetTypeInfo_ && SymGetLineFromAddr_ &&
|
|
|
+ SymEnumSymbols_ && SymSetContext_ && SymFromAddr_ && StackWalk_ &&
|
|
|
+ SymFunctionTableAccess_ && SymGetModuleBase_ )
|
|
|
+ {
|
|
|
+ // initialize the symbol loading code
|
|
|
+ opts = SymGetOptions_();
|
|
|
+
|
|
|
+ // Set the 'load lines' option to retrieve line number information.
|
|
|
+ // Set the 'deferred loads' option to map the debug info in memory only when needed.
|
|
|
+ SymSetOptions_(opts | SYMOPT_LOAD_LINES | SYMOPT_DEFERRED_LOADS);
|
|
|
+
|
|
|
+ // Initialize the dbghelp DLL with the default path and automatic
|
|
|
+ // module enumeration (and loading of symbol tables) for this process.
|
|
|
+ SymInitialize_(GetCurrentProcess(), NULL, TRUE);
|
|
|
+
|
|
|
+ return TRUE;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if( dbghelp_dll )
|
|
|
+ {
|
|
|
+ FreeLibrary(dbghelp_dll);
|
|
|
+ dbghelp_dll = NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ return FALSE;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Unloads the dbghelp.dll library.
|
|
|
+static VOID
|
|
|
+Dhp__UnloadDbghlpDll()
|
|
|
+{
|
|
|
+ SymCleanup_(GetCurrentProcess());
|
|
|
+
|
|
|
+ FreeLibrary(dbghelp_dll);
|
|
|
+ dbghelp_dll = NULL;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Creates the report and minidump files.
|
|
|
+/// Puts the resulting pathnames in the arguments.
|
|
|
+/// The buffers must be at least MAX_PATH+1 in size.
|
|
|
+///
|
|
|
+/// @param out_lpszLogFileName Buffer for the report filename
|
|
|
+/// @param out_lpszDmpFileName Buffer for the minidump filename
|
|
|
+/// @return TRUE if the files were created
|
|
|
+static BOOL
|
|
|
+Dhp__CreateFiles(
|
|
|
+ char* out_logFileName,
|
|
|
+ char* out_dmpFileName)
|
|
|
+{
|
|
|
+#define LEN_TIMESTAMP 14 // "YYYYMMDDhhmmss"
|
|
|
+#define LEN_EXT 4 // ".rpt" or ".dmp"
|
|
|
+ char baseFileName[MAX_PATH+1];
|
|
|
+ char timestamp[LEN_TIMESTAMP+1];
|
|
|
+ FILE* fp;
|
|
|
+ time_t now;
|
|
|
+
|
|
|
+ // Generate base filename for the report/minidump
|
|
|
+ ZeroMemory(baseFileName, sizeof(baseFileName));
|
|
|
+ if( GetModuleFileName(NULL, baseFileName, MAX_PATH-LEN_TIMESTAMP-LEN_EXT) )
|
|
|
+ {
|
|
|
+ char* pTerm = strrchr(baseFileName, '\\');
|
|
|
+ if( pTerm == NULL ) pTerm = baseFileName;
|
|
|
+ pTerm = strrchr(pTerm, '.');
|
|
|
+ if( pTerm ) *pTerm = '\0'; // remove extension
|
|
|
+ }
|
|
|
+ else if( GetTempPathA(MAX_PATH-6-LEN_TIMESTAMP-LEN_EXT, baseFileName) )
|
|
|
+ {// in temp folder
|
|
|
+ strcat(baseFileName, DBG_DEFAULT_FILENAME);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {// in current folder
|
|
|
+ strcpy(baseFileName, DBG_DEFAULT_FILENAME);
|
|
|
+ }
|
|
|
+
|
|
|
+ time(&now);
|
|
|
+#if 0
|
|
|
+ szTimestamp[0] = '\0';
|
|
|
+#else
|
|
|
+ strftime(timestamp, sizeof(timestamp), "%Y%m%d%H%M%S", localtime(&now));
|
|
|
+#endif
|
|
|
+ timestamp[LEN_TIMESTAMP] = '\0';
|
|
|
+
|
|
|
+ sprintf(out_logFileName, "%s%s.rpt", baseFileName, timestamp);
|
|
|
+ fp = fopen(out_logFileName, "w");
|
|
|
+ if( fp == NULL )
|
|
|
+ return FALSE; // failed to create log file
|
|
|
+ fclose(fp);
|
|
|
+
|
|
|
+ sprintf(out_dmpFileName, "%s%s.dmp", baseFileName, timestamp);
|
|
|
+ fp = fopen(out_dmpFileName, "w");
|
|
|
+ if( fp == NULL)
|
|
|
+ return FALSE; // failed to create dump file
|
|
|
+ fclose(fp);
|
|
|
+
|
|
|
+ return TRUE; // success
|
|
|
+#undef LEN_EXT
|
|
|
+#undef LEN_TIMESTAMP
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Unhandled exception handler. Where the magic starts... ;D
|
|
|
+///
|
|
|
+/// @param ptrs Exception information
|
|
|
+/// @return What to do with the exception
|
|
|
+LONG WINAPI
|
|
|
+Dhp__UnhandledExceptionFilter(PEXCEPTION_POINTERS ptrs)
|
|
|
+{
|
|
|
+ char szLogFileName[MAX_PATH+1];
|
|
|
+ char szDmpFileName[MAX_PATH+1];
|
|
|
+ FILE* log_file;
|
|
|
+
|
|
|
+ // check if the crash handler was already loaded (crash while handling the crash)
|
|
|
+ if( dbghelp_dll != INVALID_HANDLE_VALUE )
|
|
|
+ return EXCEPTION_CONTINUE_SEARCH;
|
|
|
+
|
|
|
+ // don't log anything if we're running inside a debugger ...
|
|
|
+ if( Dhp__IsDebuggerPresent() == TRUE )
|
|
|
+ return EXCEPTION_CONTINUE_SEARCH;
|
|
|
+
|
|
|
+ // ... or if we can't load dbghelp.dll ...
|
|
|
+ if( Dhp__LoadDbghelpDll() == FALSE )
|
|
|
+ return EXCEPTION_CONTINUE_SEARCH;
|
|
|
+
|
|
|
+ // ... or if we can't create the log files
|
|
|
+ if( Dhp__CreateFiles(szLogFileName, szDmpFileName) == FALSE )
|
|
|
+ return EXCEPTION_CONTINUE_SEARCH;
|
|
|
+
|
|
|
+ // open log file
|
|
|
+ log_file = fopen(szLogFileName, "wt");
|
|
|
+
|
|
|
+ // print information about the process
|
|
|
+ Dhp__PrintProcessInfo(
|
|
|
+ ptrs ? ptrs->ExceptionRecord : NULL,
|
|
|
+ ptrs ? ptrs->ContextRecord : NULL,
|
|
|
+ log_file);
|
|
|
+
|
|
|
+ // print the stacktrace
|
|
|
+ Dhp__PrintStacktrace(
|
|
|
+ ptrs ? ptrs->ContextRecord : NULL,
|
|
|
+ log_file);
|
|
|
+
|
|
|
+ // write the minidump file and use the callback to print the list of modules to the log file
|
|
|
+ Dhp__WriteMinidumpFile(
|
|
|
+ szDmpFileName,
|
|
|
+ ptrs,
|
|
|
+ Dhp__PrintModuleInfoCallback,
|
|
|
+ log_file);
|
|
|
+
|
|
|
+ fclose(log_file);
|
|
|
+
|
|
|
+ Dhp__UnloadDbghlpDll();
|
|
|
+
|
|
|
+ // inform the user
|
|
|
+ fprintf(stderr,
|
|
|
+ "\n"
|
|
|
+ "This application has halted due to an unexpected error.\n"
|
|
|
+ "A crash report and minidump file were saved to disk, you can find them here:\n"
|
|
|
+ "%s\n"
|
|
|
+ "%s\n"
|
|
|
+ DBG_EXTENDED_INFORMATION
|
|
|
+ "\n"
|
|
|
+ "NOTE: The crash report and minidump files can contain sensitive information\n"
|
|
|
+ "(filenames, partial file content, usernames and passwords etc.)\n",
|
|
|
+ szLogFileName,
|
|
|
+ szDmpFileName);
|
|
|
+
|
|
|
+ // terminate the application
|
|
|
+ return EXCEPTION_EXECUTE_HANDLER;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+/////////////////////////////////////////////////////////////////////
|
|
|
+// DLL stuff
|
|
|
+#if !defined(DBG_EMBEDDED)
|
|
|
+
|
|
|
+
|
|
|
+/// Previous exception filter.
|
|
|
+static LPTOP_LEVEL_EXCEPTION_FILTER previousFilter;
|
|
|
+
|
|
|
+
|
|
|
+#if defined(__GNUC__)
|
|
|
+// GNU : define DLL load/unload functions
|
|
|
+static void Dhp__OnStartup(void) __attribute__((constructor));
|
|
|
+static void Dhp__OnExit(void) __attribute__((destructor));
|
|
|
+#endif /* defined(__GNUC__) */
|
|
|
+
|
|
|
+
|
|
|
+/// Installs as the unhandled exception handler.
|
|
|
+void Dhp__OnStartup(void)
|
|
|
+{
|
|
|
+ // Install the unhandled exception filter function
|
|
|
+ previousFilter = SetUnhandledExceptionFilter(Dhp__UnhandledExceptionFilter);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/// Uninstalls the handler.
|
|
|
+void Dhp__OnExit(void)
|
|
|
+{
|
|
|
+ SetUnhandledExceptionFilter(previousFilter);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+#if !defined(__GNUC__)
|
|
|
+// Windows : invoke DLL load/unload functions
|
|
|
+BOOL APIENTRY DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
|
|
|
+{
|
|
|
+ switch( dwReason )
|
|
|
+ {
|
|
|
+ case DLL_PROCESS_ATTACH: Dhp__OnStartup(); break;
|
|
|
+ case DLL_PROCESS_DETACH: Dhp__OnExit(); break;
|
|
|
+ }
|
|
|
+ return TRUE;
|
|
|
+}
|
|
|
+#endif /* !defined(__GNUC__) */
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+#endif /* !defined(DBG_EMBEDDED) */
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+#endif /* _WIN32 */
|
FlavioJS