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Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>
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Peter Siegmund
2025-10-31 23:37:30 +01:00
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libs/wxWidgets-3.3.1/include/wx/msw/debughlp.h Normal file
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///////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/debughlp.h
// Purpose: wraps dbghelp.h standard file
// Author: Vadim Zeitlin, Suzumizaki-kimitaka
// Created: 2005-01-08 (extracted from msw/crashrpt.cpp)
// Copyright: (c) 2003-2005 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MSW_DEBUGHLPH_H_
#define _WX_MSW_DEBUGHLPH_H_
#include "wx/defs.h"
#if wxUSE_DBGHELP
#include "wx/dynlib.h"
#include "wx/msw/wrapwin.h"
#ifdef __VISUALC__
// Disable a warning that we can do nothing about: we get it at least for
// imagehlp.h from 8.1 Windows kit when using VC14.
#pragma warning(push)
// 'typedef ': ignored on left of '' when no variable is declared
#pragma warning(disable:4091)
#endif
#include <imagehlp.h>
#ifdef __VISUALC__
#pragma warning(pop)
#endif
#include "wx/msw/private.h"
/*
The table below shows which functions are exported by dbghelp.dll.
On 64 bit Windows, there seems to be no difference between 32bit dll and 64bit
one. Vista-64 and Win8-64 look the same, but "Ex" and "ExW" versions exist only
in Windows 8.
Note that SymGetLineFromAddrW and EnumerateLoadedModulesW DON'T exist at all.
function | Windows | XP-32 Vista-64 Win8-64
SymEnumSymbolsW n/a v v
SymFromAddrW n/a v v
SymInitializeW n/a v v
SymEnumSymbols v v v
SymFromAddr v v v
SymInitialize v v v
SymGetLineFromAddrW64 n/a v v
SymGetLineFromAddr64 v v v
SymGetLineFromAddrW n/a n/a n/a
SymGetLineFromAddr v v v
EnumerateLoadedModulesW64 n/a v v
EnumerateLoadedModules64 v v v
EnumerateLoadedModulesW n/a n/a n/a
EnumerateLoadedModules v v v
*/
// It's not really clear whether API v10 is used by anything as VC8 still used
// v9, just as MSVC7.1, while VC9 already used v11, but provide support for it
// just in case.
#if API_VERSION_NUMBER < 10/*{{{*/
typedef BOOL
(CALLBACK *PENUMLOADED_MODULES_CALLBACKW64)(PWSTR ModuleName,
DWORD64 ModuleBase,
ULONG ModuleSize,
PVOID UserContext);
typedef struct _IMAGEHLP_LINEW64
{
DWORD SizeOfStruct;
PVOID Key;
DWORD LineNumber;
PWSTR FileName;
DWORD64 Address;
} IMAGEHLP_LINEW64, *PIMAGEHLP_LINEW64;
typedef struct _SYMBOL_INFOW
{
ULONG SizeOfStruct;
ULONG TypeIndex;
ULONG64 Reserved[2];
ULONG Index;
ULONG Size;
ULONG64 ModBase;
ULONG Flags;
ULONG64 Value;
ULONG64 Address;
ULONG Register;
ULONG Scope;
ULONG Tag;
ULONG NameLen;
ULONG MaxNameLen;
WCHAR Name[1];
} SYMBOL_INFOW, *PSYMBOL_INFOW;
typedef BOOL
(CALLBACK *PSYM_ENUMERATESYMBOLS_CALLBACKW)(PSYMBOL_INFOW pSymInfo,
ULONG SymbolSize,
PVOID UserContext);
typedef BOOL
(CALLBACK *PSYM_ENUMERATESYMBOLS_CALLBACK)(PSYMBOL_INFO pSymInfo,
ULONG SymbolSize,
PVOID UserContext);
#endif // API_VERSION_NUMBER < 10/*}}}*/
// wx-prefixed types map to Unicode ("W") version
#define wxPSYM_ENUMERATESYMBOLS_CALLBACK PSYM_ENUMERATESYMBOLS_CALLBACKW
// This one could be already defined by wx/msw/stackwalk.h
#ifndef wxSYMBOL_INFO
#define wxSYMBOL_INFO SYMBOL_INFOW
#endif // !defined(wxSYMBOL_INFO)
typedef wxSYMBOL_INFO* wxPSYMBOL_INFO;
// This differs from PENUMLOADED_MODULES_CALLBACK[W]64 in that it always uses
// "const" for its first argument when the SDK used to pass a non-const string
// here until API_VERSION_NUMBER==11, so we can't just define it as an existing
// typedef.
typedef BOOL
(CALLBACK *wxPENUMLOADED_MODULES_CALLBACK)(const wxChar* moduleName,
DWORD64 moduleBase,
ULONG moduleSize,
void *userContext);
// ----------------------------------------------------------------------------
// wxDbgHelpDLL: dynamically load dbghelp.dll functions
// ----------------------------------------------------------------------------
// wrapper for some functions from dbghelp.dll
//
// MT note: this class is not MT safe and should be only used from a single
// thread at a time (this is so because dbghelp.dll is not MT-safe
// itself anyhow)
class wxDbgHelpDLL
{
public:
// some useful constants not present in debughlp.h (stolen from DIA SDK)
enum BasicType
{
BASICTYPE_NOTYPE = 0,
BASICTYPE_VOID = 1,
BASICTYPE_CHAR = 2,
BASICTYPE_WCHAR = 3,
BASICTYPE_INT = 6,
BASICTYPE_UINT = 7,
BASICTYPE_FLOAT = 8,
BASICTYPE_BCD = 9,
BASICTYPE_BOOL = 10,
BASICTYPE_LONG = 13,
BASICTYPE_ULONG = 14,
BASICTYPE_CURRENCY = 25,
BASICTYPE_DATE = 26,
BASICTYPE_VARIANT = 27,
BASICTYPE_COMPLEX = 28,
BASICTYPE_BIT = 29,
BASICTYPE_BSTR = 30,
BASICTYPE_HRESULT = 31,
BASICTYPE_MAX
};
enum SymbolTag
{
SYMBOL_TAG_NULL,
SYMBOL_TAG_EXE,
SYMBOL_TAG_COMPILAND,
SYMBOL_TAG_COMPILAND_DETAILS,
SYMBOL_TAG_COMPILAND_ENV,
SYMBOL_TAG_FUNCTION,
SYMBOL_TAG_BLOCK,
SYMBOL_TAG_DATA,
SYMBOL_TAG_ANNOTATION,
SYMBOL_TAG_LABEL,
SYMBOL_TAG_PUBLIC_SYMBOL,
SYMBOL_TAG_UDT,
SYMBOL_TAG_ENUM,
SYMBOL_TAG_FUNCTION_TYPE,
SYMBOL_TAG_POINTER_TYPE,
SYMBOL_TAG_ARRAY_TYPE,
SYMBOL_TAG_BASE_TYPE,
SYMBOL_TAG_TYPEDEF,
SYMBOL_TAG_BASE_CLASS,
SYMBOL_TAG_FRIEND,
SYMBOL_TAG_FUNCTION_ARG_TYPE,
SYMBOL_TAG_FUNC_DEBUG_START,
SYMBOL_TAG_FUNC_DEBUG_END,
SYMBOL_TAG_USING_NAMESPACE,
SYMBOL_TAG_VTABLE_SHAPE,
SYMBOL_TAG_VTABLE,
SYMBOL_TAG_CUSTOM,
SYMBOL_TAG_THUNK,
SYMBOL_TAG_CUSTOM_TYPE,
SYMBOL_TAG_MANAGED_TYPE,
SYMBOL_TAG_DIMENSION,
SYMBOL_TAG_MAX
};
enum DataKind
{
DATA_UNKNOWN,
DATA_LOCAL,
DATA_STATIC_LOCAL,
DATA_PARAM,
DATA_OBJECT_PTR, // "this" pointer
DATA_FILE_STATIC,
DATA_GLOBAL,
DATA_MEMBER,
DATA_STATIC_MEMBER,
DATA_CONSTANT,
DATA_MAX
};
enum UdtKind
{
UDT_STRUCT,
UDT_CLASS,
UDT_UNION,
UDT_MAX
};
// function types
typedef DWORD (WINAPI *SymGetOptions_t)();
typedef DWORD (WINAPI *SymSetOptions_t)(DWORD);
typedef BOOL (WINAPI *SymInitialize_t)(HANDLE, LPCSTR, BOOL);
typedef BOOL (WINAPI *SymInitializeW_t)(HANDLE, LPCWSTR, BOOL);
typedef BOOL (WINAPI *StackWalk_t)(DWORD, HANDLE, HANDLE, LPSTACKFRAME,
LPVOID, PREAD_PROCESS_MEMORY_ROUTINE,
PFUNCTION_TABLE_ACCESS_ROUTINE,
PGET_MODULE_BASE_ROUTINE,
PTRANSLATE_ADDRESS_ROUTINE);
typedef BOOL (WINAPI *SymFromAddr_t)(HANDLE, DWORD64, PDWORD64, PSYMBOL_INFO);
typedef BOOL (WINAPI *SymFromAddrW_t)(HANDLE, DWORD64, PDWORD64, PSYMBOL_INFOW);
typedef LPVOID (WINAPI *SymFunctionTableAccess_t)(HANDLE, DWORD_PTR);
typedef DWORD_PTR (WINAPI *SymGetModuleBase_t)(HANDLE, DWORD_PTR);
typedef BOOL (WINAPI *SymGetLineFromAddr_t)(HANDLE, DWORD,
PDWORD, PIMAGEHLP_LINE);
typedef BOOL (WINAPI *SymGetLineFromAddr64_t)(HANDLE, DWORD64,
PDWORD, PIMAGEHLP_LINE64);
typedef BOOL (WINAPI *SymGetLineFromAddrW64_t)(HANDLE, DWORD64,
PDWORD, PIMAGEHLP_LINEW64);
typedef BOOL (WINAPI *SymSetContext_t)(HANDLE, PIMAGEHLP_STACK_FRAME,
PIMAGEHLP_CONTEXT);
typedef BOOL (WINAPI *SymEnumSymbols_t)(HANDLE, ULONG64, PCSTR,
PSYM_ENUMERATESYMBOLS_CALLBACK,
const PVOID);
typedef BOOL (WINAPI *SymEnumSymbolsW_t)(HANDLE, ULONG64, PCWSTR,
PSYM_ENUMERATESYMBOLS_CALLBACKW,
const PVOID);
typedef BOOL (WINAPI *SymGetTypeInfo_t)(HANDLE, DWORD64, ULONG,
IMAGEHLP_SYMBOL_TYPE_INFO, PVOID);
typedef BOOL (WINAPI *SymCleanup_t)(HANDLE);
typedef BOOL (WINAPI *EnumerateLoadedModules_t)(HANDLE, PENUMLOADED_MODULES_CALLBACK, PVOID);
typedef BOOL (WINAPI *EnumerateLoadedModules64_t)(HANDLE, PENUMLOADED_MODULES_CALLBACK64, PVOID);
typedef BOOL (WINAPI *EnumerateLoadedModulesW64_t)(HANDLE, PENUMLOADED_MODULES_CALLBACKW64, PVOID);
typedef BOOL (WINAPI *MiniDumpWriteDump_t)(HANDLE, DWORD, HANDLE,
MINIDUMP_TYPE,
CONST PMINIDUMP_EXCEPTION_INFORMATION,
CONST PMINIDUMP_USER_STREAM_INFORMATION,
CONST PMINIDUMP_CALLBACK_INFORMATION);
// Higher level functions selecting the right debug help library function
// to call: for CallFoo(), it can be Foo(), Foo64(), FooW() or FooW64()
// depending on the build options and function availability.
//
// They also provide more convenient to use wx-specific API, e.g. work with
// wxString instead of char/wchar_t pointers and omit the arguments we
// don't need.
static BOOL CallSymInitialize(HANDLE, BOOL);
static BOOL CallEnumerateLoadedModules(HANDLE, wxPENUMLOADED_MODULES_CALLBACK, PVOID);
static BOOL CallSymFromAddr(HANDLE, DWORD64,
size_t* offset, wxString* name);
static BOOL CallSymGetLineFromAddr(HANDLE, DWORD64,
wxString* fileName, size_t* line);
static BOOL CallSymEnumSymbols(HANDLE hProcess,
ULONG64 baseOfDll,
wxPSYM_ENUMERATESYMBOLS_CALLBACK callback,
const PVOID callbackParam);
// The macro called by wxDO_FOR_ALL_SYM_FUNCS() below takes 2 arguments:
// the name of the function in the program code, which never has "64"
// suffix, and the name of the function in the DLL which can have "64"
// suffix in some cases. These 2 helper macros call the macro with the
// correct arguments in both cases.
#define wxSYM_CALL(what, name) what(name, name)
#if defined(_M_AMD64) || defined(_M_ARM64)
#define wxSYM_CALL_64(what, name) what(name, name ## 64)
// Also undo all the "helpful" definitions done by imagehlp.h that map 32
// bit functions to 64 bit ones, we don't need this as we do it ourselves.
#undef StackWalk
#undef SymFunctionTableAccess
#undef SymGetModuleBase
#undef SymGetLineFromAddr
#undef EnumerateLoadedModules
#else
#define wxSYM_CALL_64(what, name) what(name, name)
#endif
#define wxSYM_CALL_ALWAYS_W(what, name) what(name ## W, name ## W)
#define wxSYM_CALL_ALTERNATIVES(what, name) \
what(name, name); \
what(name ## 64, name ## 64); \
what(name ## W64, name ## W64)
#define wxDO_FOR_ALL_SYM_FUNCS_REQUIRED_PUBLIC(what) \
wxSYM_CALL_64(what, StackWalk); \
wxSYM_CALL_64(what, SymFunctionTableAccess); \
wxSYM_CALL_64(what, SymGetModuleBase); \
\
wxSYM_CALL(what, SymGetOptions); \
wxSYM_CALL(what, SymSetOptions); \
wxSYM_CALL(what, SymSetContext); \
wxSYM_CALL(what, SymGetTypeInfo); \
wxSYM_CALL(what, SymCleanup); \
wxSYM_CALL(what, MiniDumpWriteDump)
#define wxDO_FOR_ALL_SYM_FUNCS_REQUIRED_PRIVATE(what) \
wxSYM_CALL(what, SymInitialize); \
wxSYM_CALL(what, SymFromAddr); \
wxSYM_CALL(what, SymEnumSymbols)
#define wxDO_FOR_ALL_SYM_FUNCS_REQUIRED(what) \
wxDO_FOR_ALL_SYM_FUNCS_REQUIRED_PRIVATE(what); \
wxDO_FOR_ALL_SYM_FUNCS_REQUIRED_PUBLIC(what)
// Alternation will work when the following functions are not found,
// therefore they are not included in REQUIRED version.
#define wxDO_FOR_ALL_SYM_FUNCS_OPTIONAL(what) \
wxSYM_CALL_ALTERNATIVES(what, SymGetLineFromAddr); \
wxSYM_CALL_ALTERNATIVES(what, EnumerateLoadedModules); \
wxSYM_CALL_ALWAYS_W(what, SymInitialize); \
wxSYM_CALL_ALWAYS_W(what, SymFromAddr); \
wxSYM_CALL_ALWAYS_W(what, SymEnumSymbols)
#define wxDO_FOR_ALL_SYM_FUNCS(what) \
wxDO_FOR_ALL_SYM_FUNCS_REQUIRED(what); \
wxDO_FOR_ALL_SYM_FUNCS_OPTIONAL(what)
#define wxDECLARE_SYM_FUNCTION(func, name) static func ## _t func
wxDO_FOR_ALL_SYM_FUNCS_REQUIRED_PUBLIC(wxDECLARE_SYM_FUNCTION);
private:
wxDO_FOR_ALL_SYM_FUNCS_REQUIRED_PRIVATE(wxDECLARE_SYM_FUNCTION);
wxDO_FOR_ALL_SYM_FUNCS_OPTIONAL(wxDECLARE_SYM_FUNCTION);
public:
#undef wxDECLARE_SYM_FUNCTION
// load all functions from DLL, return true if ok
static bool Init();
// return the string with the error message explaining why Init() failed
static const wxString& GetErrorMessage();
// log error returned by the given function to debug output
static void LogError(const wxChar *func);
// return textual representation of the value of given symbol
static wxString DumpSymbol(wxPSYMBOL_INFO pSymInfo, void *pVariable);
// return the name of the symbol with given type index
static wxString GetSymbolName(wxPSYMBOL_INFO pSymInfo);
private:
// dereference the given symbol, i.e. return symbol which is not a
// pointer/reference any more
//
// if ppData != nullptr, dereference the pointer as many times as we
// dereferenced the symbol
//
// return the tag of the dereferenced symbol
static SymbolTag DereferenceSymbol(wxPSYMBOL_INFO pSymInfo, void **ppData);
static wxString DumpField(wxPSYMBOL_INFO pSymInfo,
void *pVariable,
unsigned level);
static wxString DumpBaseType(BasicType bt, DWORD64 length, void *pVariable);
static wxString DumpUDT(wxPSYMBOL_INFO pSymInfo,
void *pVariable,
unsigned level = 0);
static bool BindDbgHelpFunctions(const wxDynamicLibrary& dllDbgHelp);
static bool DoInit();
};
#endif // wxUSE_DBGHELP
#endif // _WX_MSW_DEBUGHLPH_H_