250 lines
9.1 KiB
C++
250 lines
9.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/debughlp.h
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// Purpose: wraps dbghelp.h standard file
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 2005-01-08 (extracted from msw/crashrpt.cpp)
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// RCS-ID: $Id: debughlp.h 69845 2011-11-27 19:52:13Z VZ $
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// Copyright: (c) 2003-2005 Vadim Zeitlin <vadim@wxwindows.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_DEBUGHLPH_H_
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#define _WX_MSW_DEBUGHLPH_H_
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#include "wx/dynlib.h"
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#include "wx/msw/wrapwin.h"
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#ifndef __WXWINCE__
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#include <imagehlp.h>
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#endif // __WXWINCE__
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#include "wx/msw/private.h"
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// we need to determine whether we have the declarations for the function in
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// debughlp.dll version 5.81 (at least) and we check for DBHLPAPI to test this
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//
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// reasons:
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// - VC6 version of imagehlp.h doesn't define it
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// - VC7 one does
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// - testing for compiler version doesn't work as you can install and use
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// the new SDK headers with VC6
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//
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// in any case, the user may override by defining wxUSE_DBGHELP himself
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#ifndef wxUSE_DBGHELP
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#ifdef DBHLPAPI
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#define wxUSE_DBGHELP 1
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#else
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#define wxUSE_DBGHELP 0
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#endif
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#endif
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#if wxUSE_DBGHELP
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// ----------------------------------------------------------------------------
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// wxDbgHelpDLL: dynamically load dbghelp.dll functions
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// ----------------------------------------------------------------------------
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// wrapper for some functions from dbghelp.dll
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//
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// MT note: this class is not MT safe and should be only used from a single
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// thread at a time (this is so because dbghelp.dll is not MT-safe
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// itself anyhow)
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class wxDbgHelpDLL
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{
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public:
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// some useful constants not present in debughlp.h (stolen from DIA SDK)
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enum BasicType
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{
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BASICTYPE_NOTYPE = 0,
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BASICTYPE_VOID = 1,
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BASICTYPE_CHAR = 2,
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BASICTYPE_WCHAR = 3,
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BASICTYPE_INT = 6,
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BASICTYPE_UINT = 7,
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BASICTYPE_FLOAT = 8,
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BASICTYPE_BCD = 9,
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BASICTYPE_BOOL = 10,
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BASICTYPE_LONG = 13,
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BASICTYPE_ULONG = 14,
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BASICTYPE_CURRENCY = 25,
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BASICTYPE_DATE = 26,
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BASICTYPE_VARIANT = 27,
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BASICTYPE_COMPLEX = 28,
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BASICTYPE_BIT = 29,
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BASICTYPE_BSTR = 30,
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BASICTYPE_HRESULT = 31,
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BASICTYPE_MAX
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};
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enum SymbolTag
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{
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SYMBOL_TAG_NULL,
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SYMBOL_TAG_EXE,
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SYMBOL_TAG_COMPILAND,
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SYMBOL_TAG_COMPILAND_DETAILS,
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SYMBOL_TAG_COMPILAND_ENV,
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SYMBOL_TAG_FUNCTION,
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SYMBOL_TAG_BLOCK,
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SYMBOL_TAG_DATA,
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SYMBOL_TAG_ANNOTATION,
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SYMBOL_TAG_LABEL,
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SYMBOL_TAG_PUBLIC_SYMBOL,
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SYMBOL_TAG_UDT,
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SYMBOL_TAG_ENUM,
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SYMBOL_TAG_FUNCTION_TYPE,
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SYMBOL_TAG_POINTER_TYPE,
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SYMBOL_TAG_ARRAY_TYPE,
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SYMBOL_TAG_BASE_TYPE,
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SYMBOL_TAG_TYPEDEF,
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SYMBOL_TAG_BASE_CLASS,
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SYMBOL_TAG_FRIEND,
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SYMBOL_TAG_FUNCTION_ARG_TYPE,
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SYMBOL_TAG_FUNC_DEBUG_START,
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SYMBOL_TAG_FUNC_DEBUG_END,
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SYMBOL_TAG_USING_NAMESPACE,
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SYMBOL_TAG_VTABLE_SHAPE,
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SYMBOL_TAG_VTABLE,
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SYMBOL_TAG_CUSTOM,
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SYMBOL_TAG_THUNK,
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SYMBOL_TAG_CUSTOM_TYPE,
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SYMBOL_TAG_MANAGED_TYPE,
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SYMBOL_TAG_DIMENSION,
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SYMBOL_TAG_MAX
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};
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enum DataKind
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{
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DATA_UNKNOWN,
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DATA_LOCAL,
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DATA_STATIC_LOCAL,
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DATA_PARAM,
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DATA_OBJECT_PTR, // "this" pointer
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DATA_FILE_STATIC,
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DATA_GLOBAL,
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DATA_MEMBER,
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DATA_STATIC_MEMBER,
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DATA_CONSTANT,
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DATA_MAX
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};
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enum UdtKind
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{
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UDT_STRUCT,
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UDT_CLASS,
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UDT_UNION,
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UDT_MAX
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};
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// function types
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typedef DWORD (WINAPI *SymGetOptions_t)();
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typedef DWORD (WINAPI *SymSetOptions_t)(DWORD);
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typedef BOOL (WINAPI *SymInitialize_t)(HANDLE, LPSTR, BOOL);
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typedef BOOL (WINAPI *StackWalk_t)(DWORD, HANDLE, HANDLE, LPSTACKFRAME,
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LPVOID, PREAD_PROCESS_MEMORY_ROUTINE,
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PFUNCTION_TABLE_ACCESS_ROUTINE,
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PGET_MODULE_BASE_ROUTINE,
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PTRANSLATE_ADDRESS_ROUTINE);
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typedef BOOL (WINAPI *SymFromAddr_t)(HANDLE, DWORD64, PDWORD64, PSYMBOL_INFO);
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typedef LPVOID (WINAPI *SymFunctionTableAccess_t)(HANDLE, DWORD_PTR);
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typedef DWORD_PTR (WINAPI *SymGetModuleBase_t)(HANDLE, DWORD_PTR);
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typedef BOOL (WINAPI *SymGetLineFromAddr_t)(HANDLE, DWORD_PTR,
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PDWORD, PIMAGEHLP_LINE);
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typedef BOOL (WINAPI *SymSetContext_t)(HANDLE, PIMAGEHLP_STACK_FRAME,
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PIMAGEHLP_CONTEXT);
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typedef BOOL (WINAPI *SymEnumSymbols_t)(HANDLE, ULONG64, PCSTR,
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PSYM_ENUMERATESYMBOLS_CALLBACK, PVOID);
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typedef BOOL (WINAPI *SymGetTypeInfo_t)(HANDLE, DWORD64, ULONG,
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IMAGEHLP_SYMBOL_TYPE_INFO, PVOID);
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typedef BOOL (WINAPI *SymCleanup_t)(HANDLE);
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typedef BOOL (WINAPI *EnumerateLoadedModules_t)(HANDLE, PENUMLOADED_MODULES_CALLBACK, PVOID);
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typedef BOOL (WINAPI *MiniDumpWriteDump_t)(HANDLE, DWORD, HANDLE,
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MINIDUMP_TYPE,
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CONST PMINIDUMP_EXCEPTION_INFORMATION,
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CONST PMINIDUMP_USER_STREAM_INFORMATION,
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CONST PMINIDUMP_CALLBACK_INFORMATION);
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// The macro called by wxDO_FOR_ALL_SYM_FUNCS() below takes 2 arguments:
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// the name of the function in the program code, which never has "64"
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// suffix, and the name of the function in the DLL which can have "64"
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// suffix in some cases. These 2 helper macros call the macro with the
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// correct arguments in both cases.
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#define wxSYM_CALL(what, name) what(name, name)
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#if defined(_M_AMD64)
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#define wxSYM_CALL_64(what, name) what(name, name ## 64)
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// Also undo all the "helpful" definitions done by imagehlp.h that map 32
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// bit functions to 64 bit ones, we don't need this as we do it ourselves.
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#undef StackWalk
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#undef SymFunctionTableAccess
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#undef SymGetModuleBase
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#undef SymGetLineFromAddr
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#undef EnumerateLoadedModules
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#else
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#define wxSYM_CALL_64(what, name) what(name, name)
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#endif
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#define wxDO_FOR_ALL_SYM_FUNCS(what) \
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wxSYM_CALL_64(what, StackWalk); \
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wxSYM_CALL_64(what, SymFunctionTableAccess); \
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wxSYM_CALL_64(what, SymGetModuleBase); \
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wxSYM_CALL_64(what, SymGetLineFromAddr); \
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wxSYM_CALL_64(what, EnumerateLoadedModules); \
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\
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wxSYM_CALL(what, SymGetOptions); \
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wxSYM_CALL(what, SymSetOptions); \
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wxSYM_CALL(what, SymInitialize); \
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wxSYM_CALL(what, SymFromAddr); \
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wxSYM_CALL(what, SymSetContext); \
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wxSYM_CALL(what, SymEnumSymbols); \
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wxSYM_CALL(what, SymGetTypeInfo); \
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wxSYM_CALL(what, SymCleanup); \
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wxSYM_CALL(what, MiniDumpWriteDump)
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#define wxDECLARE_SYM_FUNCTION(func, name) static func ## _t func
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wxDO_FOR_ALL_SYM_FUNCS(wxDECLARE_SYM_FUNCTION);
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#undef wxDECLARE_SYM_FUNCTION
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// load all functions from DLL, return true if ok
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static bool Init();
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// return the string with the error message explaining why Init() failed
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static const wxString& GetErrorMessage();
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// log error returned by the given function to debug output
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static void LogError(const wxChar *func);
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// return textual representation of the value of given symbol
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static wxString DumpSymbol(PSYMBOL_INFO pSymInfo, void *pVariable);
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// return the name of the symbol with given type index
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static wxString GetSymbolName(PSYMBOL_INFO pSymInfo);
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private:
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// dereference the given symbol, i.e. return symbol which is not a
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// pointer/reference any more
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//
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// if ppData != NULL, dereference the pointer as many times as we
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// dereferenced the symbol
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//
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// return the tag of the dereferenced symbol
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static SymbolTag DereferenceSymbol(PSYMBOL_INFO pSymInfo, void **ppData);
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static wxString DumpField(PSYMBOL_INFO pSymInfo,
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void *pVariable,
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unsigned level);
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static wxString DumpBaseType(BasicType bt, DWORD64 length, void *pVariable);
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static wxString DumpUDT(PSYMBOL_INFO pSymInfo,
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void *pVariable,
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unsigned level = 0);
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};
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#endif // wxUSE_DBGHELP
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#endif // _WX_MSW_DEBUGHLPH_H_
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