diff options
Diffstat (limited to 'src/VBox/Runtime/common/dbg/dbgmoddbghelp.cpp')
-rw-r--r-- | src/VBox/Runtime/common/dbg/dbgmoddbghelp.cpp | 526 |
1 files changed, 526 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/dbg/dbgmoddbghelp.cpp b/src/VBox/Runtime/common/dbg/dbgmoddbghelp.cpp new file mode 100644 index 00000000..94529d15 --- /dev/null +++ b/src/VBox/Runtime/common/dbg/dbgmoddbghelp.cpp @@ -0,0 +1,526 @@ +/* $Id: dbgmoddbghelp.cpp $ */ +/** @file + * IPRT - Debug Info Reader Using DbgHelp.dll if Present. + */ + +/* + * Copyright (C) 2013-2020 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_DBG +#include <iprt/dbg.h> +#include "internal/iprt.h" + +#include <iprt/asm.h> +#include <iprt/ctype.h> +#include <iprt/err.h> +#include <iprt/list.h> +#include <iprt/log.h> +#include <iprt/mem.h> +#include <iprt/path.h> +#include <iprt/string.h> +#include <iprt/utf16.h> +#include "internal/dbgmod.h" + +#include <iprt/win/windows.h> +#include <iprt/win/dbghelp.h> +#include <iprt/win/lazy-dbghelp.h> + + +/********************************************************************************************************************************* +* Structures and Typedefs * +*********************************************************************************************************************************/ +/** For passing arguments to DbgHelp.dll callback. */ +typedef struct RTDBGMODBGHELPARGS +{ + RTDBGMOD hCnt; + PRTDBGMODINT pMod; + uint64_t uModAddr; + RTLDRADDR uNextRva; + + /** UTF-8 version of the previous file name. */ + char *pszPrev; + /** Copy of the previous file name. */ + PRTUTF16 pwszPrev; + /** Number of bytes pwszPrev points to. */ + size_t cbPrevUtf16Alloc; +} RTDBGMODBGHELPARGS; + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnUnwindFrame} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_UnwindFrame(PRTDBGMODINT pMod, RTDBGSEGIDX iSeg, RTUINTPTR off, PRTDBGUNWINDSTATE pState) +{ + RT_NOREF(pMod, iSeg, off, pState); + return VERR_DBG_NO_UNWIND_INFO; +} + + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnLineByAddr} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_LineByAddr(PRTDBGMODINT pMod, RTDBGSEGIDX iSeg, RTUINTPTR off, + PRTINTPTR poffDisp, PRTDBGLINE pLineInfo) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + return RTDbgModLineByAddr(hCnt, iSeg, off, poffDisp, pLineInfo); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnLineByOrdinal} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_LineByOrdinal(PRTDBGMODINT pMod, uint32_t iOrdinal, PRTDBGLINE pLineInfo) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + return RTDbgModLineByOrdinal(hCnt, iOrdinal, pLineInfo); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnLineCount} */ +static DECLCALLBACK(uint32_t) rtDbgModDbgHelp_LineCount(PRTDBGMODINT pMod) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + return RTDbgModLineCount(hCnt); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnLineAdd} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_LineAdd(PRTDBGMODINT pMod, const char *pszFile, size_t cchFile, uint32_t uLineNo, + uint32_t iSeg, RTUINTPTR off, uint32_t *piOrdinal) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + Assert(!pszFile[cchFile]); NOREF(cchFile); + return RTDbgModLineAdd(hCnt, pszFile, uLineNo, iSeg, off, piOrdinal); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnSymbolByAddr} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_SymbolByAddr(PRTDBGMODINT pMod, RTDBGSEGIDX iSeg, RTUINTPTR off, uint32_t fFlags, + PRTINTPTR poffDisp, PRTDBGSYMBOL pSymInfo) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + return RTDbgModSymbolByAddr(hCnt, iSeg, off, fFlags, poffDisp, pSymInfo); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnSymbolByName} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_SymbolByName(PRTDBGMODINT pMod, const char *pszSymbol, size_t cchSymbol, + PRTDBGSYMBOL pSymInfo) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + Assert(!pszSymbol[cchSymbol]); RT_NOREF_PV(cchSymbol); + return RTDbgModSymbolByName(hCnt, pszSymbol/*, cchSymbol*/, pSymInfo); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnSymbolByOrdinal} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_SymbolByOrdinal(PRTDBGMODINT pMod, uint32_t iOrdinal, PRTDBGSYMBOL pSymInfo) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + return RTDbgModSymbolByOrdinal(hCnt, iOrdinal, pSymInfo); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnSymbolCount} */ +static DECLCALLBACK(uint32_t) rtDbgModDbgHelp_SymbolCount(PRTDBGMODINT pMod) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + return RTDbgModSymbolCount(hCnt); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnSymbolAdd} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_SymbolAdd(PRTDBGMODINT pMod, const char *pszSymbol, size_t cchSymbol, + RTDBGSEGIDX iSeg, RTUINTPTR off, RTUINTPTR cb, uint32_t fFlags, + uint32_t *piOrdinal) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + Assert(!pszSymbol[cchSymbol]); NOREF(cchSymbol); + return RTDbgModSymbolAdd(hCnt, pszSymbol, iSeg, off, cb, fFlags, piOrdinal); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnSegmentByIndex} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_SegmentByIndex(PRTDBGMODINT pMod, RTDBGSEGIDX iSeg, PRTDBGSEGMENT pSegInfo) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + return RTDbgModSegmentByIndex(hCnt, iSeg, pSegInfo); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnSegmentCount} */ +static DECLCALLBACK(RTDBGSEGIDX) rtDbgModDbgHelp_SegmentCount(PRTDBGMODINT pMod) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + return RTDbgModSegmentCount(hCnt); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnSegmentAdd} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_SegmentAdd(PRTDBGMODINT pMod, RTUINTPTR uRva, RTUINTPTR cb, const char *pszName, size_t cchName, + uint32_t fFlags, PRTDBGSEGIDX piSeg) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + Assert(!pszName[cchName]); NOREF(cchName); + return RTDbgModSegmentAdd(hCnt, uRva, cb, pszName, fFlags, piSeg); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnImageSize} */ +static DECLCALLBACK(RTUINTPTR) rtDbgModDbgHelp_ImageSize(PRTDBGMODINT pMod) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + RTUINTPTR cb1 = RTDbgModImageSize(hCnt); + RTUINTPTR cb2 = pMod->pImgVt->pfnImageSize(pMod); + return RT_MAX(cb1, cb2); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnRvaToSegOff} */ +static DECLCALLBACK(RTDBGSEGIDX) rtDbgModDbgHelp_RvaToSegOff(PRTDBGMODINT pMod, RTUINTPTR uRva, PRTUINTPTR poffSeg) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv; + return RTDbgModRvaToSegOff(hCnt, uRva, poffSeg); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnClose} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_Close(PRTDBGMODINT pMod) +{ + RTDBGMOD hCnt = (RTDBGMOD)pMod->pvDbgPriv;; + RTDbgModRelease(hCnt); + pMod->pvDbgPriv = NULL; + return VINF_SUCCESS; +} + + +/** + * SymEnumLinesW callback that adds a line number to the container. + * + * @returns TRUE, FALSE if we're out of memory. + * @param pLineInfo Line number information. + * @param pvUser Pointer to a RTDBGMODBGHELPARGS structure. + */ +static BOOL CALLBACK rtDbgModDbgHelpCopyLineNumberCallback(PSRCCODEINFOW pLineInfo, PVOID pvUser) +{ + RTDBGMODBGHELPARGS *pArgs = (RTDBGMODBGHELPARGS *)pvUser; + + if (pLineInfo->Address < pArgs->uModAddr) + { + Log((" %#018RX64 %05u %s [SKIPPED - INVALID ADDRESS!]\n", pLineInfo->Address, pLineInfo->LineNumber)); + return TRUE; + } + + /* + * To save having to call RTUtf16ToUtf8 every time, we keep a copy of the + * previous file name both as UTF-8 and UTF-16. + */ + /** @todo we could combine RTUtf16Len and memcmp... */ + size_t cbLen = (RTUtf16Len(pLineInfo->FileName) + 1) * sizeof(RTUTF16); + if ( !pArgs->pwszPrev + || memcmp(pArgs->pwszPrev, pLineInfo->FileName, cbLen) ) + { + if (pArgs->cbPrevUtf16Alloc >= cbLen) + memcpy(pArgs->pwszPrev, pLineInfo->FileName, cbLen); + else + { + RTMemFree(pArgs->pwszPrev); + pArgs->cbPrevUtf16Alloc = cbLen; + pArgs->pwszPrev = (PRTUTF16)RTMemDupEx(pLineInfo->FileName, cbLen, pArgs->cbPrevUtf16Alloc - cbLen); + if (!pArgs->pwszPrev) + pArgs->cbPrevUtf16Alloc = 0; + } + + RTStrFree(pArgs->pszPrev); + pArgs->pszPrev = NULL; + int rc = RTUtf16ToUtf8(pLineInfo->FileName, &pArgs->pszPrev); + if (RT_FAILURE(rc)) + { + SetLastError(ERROR_OUTOFMEMORY); + Log(("rtDbgModDbgHelpCopyLineNumberCallback: Out of memory\n")); + return FALSE; + } + } + + /* + * Add the line number to the container. + */ + int rc = RTDbgModLineAdd(pArgs->hCnt, pArgs->pszPrev, pLineInfo->LineNumber, + RTDBGSEGIDX_RVA, pLineInfo->Address - pArgs->uModAddr, NULL); + Log((" %#018RX64 %05u %s [%Rrc]\n", pLineInfo->Address, pLineInfo->LineNumber, pArgs->pszPrev, rc)); + NOREF(rc); + + return TRUE; +} + + +/** + * Copies the line numbers into the container. + * + * @returns IPRT status code. + * @param pMod The debug module. + * @param hCnt The container that will keep the symbols. + * @param hFake The fake process handle. + * @param uModAddr The module load address. + */ +static int rtDbgModDbgHelpCopyLineNumbers(PRTDBGMODINT pMod, RTDBGMOD hCnt, HANDLE hFake, uint64_t uModAddr) +{ + RTDBGMODBGHELPARGS Args; + Args.hCnt = hCnt; + Args.pMod = pMod; + Args.uModAddr = uModAddr; + Args.pszPrev = NULL; + Args.pwszPrev = NULL; + Args.cbPrevUtf16Alloc = 0; + + int rc; + if (SymEnumLinesW(hFake, uModAddr, NULL /*pszObj*/, NULL /*pszFile*/, rtDbgModDbgHelpCopyLineNumberCallback, &Args)) + rc = VINF_SUCCESS; + else + { + rc = RTErrConvertFromWin32(GetLastError()); + Log(("Line number enum: %Rrc (%u)\n", rc, GetLastError())); + if (rc == VERR_NOT_SUPPORTED) + rc = VINF_SUCCESS; + } + + RTStrFree(Args.pszPrev); + RTMemFree(Args.pwszPrev); + return rc; +} + + +/** + * SymEnumSymbols callback that adds a symbol to the container. + * + * @returns TRUE + * @param pSymInfo The symbol information. + * @param cbSymbol The symbol size (estimated). + * @param pvUser Pointer to a RTDBGMODBGHELPARGS structure. + */ +static BOOL CALLBACK rtDbgModDbgHelpCopySymbolsCallback(PSYMBOL_INFO pSymInfo, ULONG cbSymbol, PVOID pvUser) +{ + RTDBGMODBGHELPARGS *pArgs = (RTDBGMODBGHELPARGS *)pvUser; + if (pSymInfo->Address < pArgs->uModAddr) /* NT4 SP1 ntfs.dbg */ + { + Log((" %#018RX64 LB %#07x %s [SKIPPED - INVALID ADDRESS!]\n", pSymInfo->Address, cbSymbol, pSymInfo->Name)); + return TRUE; + } + if (pSymInfo->NameLen >= RTDBG_SYMBOL_NAME_LENGTH) + { + Log((" %#018RX64 LB %#07x %s [SKIPPED - TOO LONG (%u > %u)!]\n", pSymInfo->Address, cbSymbol, pSymInfo->Name, + pSymInfo->NameLen, RTDBG_SYMBOL_NAME_LENGTH)); + return TRUE; + } + + /* ASSUMES the symbol name is ASCII. */ + int rc = RTDbgModSymbolAdd(pArgs->hCnt, pSymInfo->Name, RTDBGSEGIDX_RVA, + pSymInfo->Address - pArgs->uModAddr, cbSymbol, 0, NULL); + Log((" %#018RX64 LB %#07x %s [%Rrc]\n", pSymInfo->Address, cbSymbol, pSymInfo->Name, rc)); + NOREF(rc); + + return TRUE; +} + + +/** + * Copies the symbols into the container. + * + * @returns IPRT status code. + * @param pMod The debug module. + * @param hCnt The container that will keep the symbols. + * @param hFake The fake process handle. + * @param uModAddr The module load address. + */ +static int rtDbgModDbgHelpCopySymbols(PRTDBGMODINT pMod, RTDBGMOD hCnt, HANDLE hFake, uint64_t uModAddr) +{ + RTDBGMODBGHELPARGS Args; + Args.hCnt = hCnt; + Args.pMod = pMod; + Args.uModAddr = uModAddr; + int rc; + if (SymEnumSymbols(hFake, uModAddr, NULL, rtDbgModDbgHelpCopySymbolsCallback, &Args)) + rc = VINF_SUCCESS; + else + { + rc = RTErrConvertFromWin32(GetLastError()); + Log(("SymEnumSymbols: %Rrc (%u)\n", rc, GetLastError())); + } + return rc; +} + + +/** @callback_method_impl{FNRTLDRENUMSEGS, + * Copies the PE segments over into the container.} */ +static DECLCALLBACK(int) rtDbgModDbgHelpAddSegmentsCallback(RTLDRMOD hLdrMod, PCRTLDRSEG pSeg, void *pvUser) +{ + RTDBGMODBGHELPARGS *pArgs = (RTDBGMODBGHELPARGS *)pvUser; + RT_NOREF_PV(hLdrMod); + + Log(("Segment %.*s: LinkAddress=%#llx RVA=%#llx cb=%#llx\n", + pSeg->cchName, pSeg->pszName, (uint64_t)pSeg->LinkAddress, (uint64_t)pSeg->RVA, pSeg->cb)); + + Assert(pSeg->cchName > 0); + Assert(!pSeg->pszName[pSeg->cchName]); + + RTLDRADDR cb = RT_MAX(pSeg->cb, pSeg->cbMapped); + RTLDRADDR uRva = pSeg->RVA; + if (!uRva) + pArgs->uModAddr = pSeg->LinkAddress; + else if (uRva == NIL_RTLDRADDR) + { + cb = 0; + uRva = pArgs->uNextRva; + } + pArgs->uNextRva = uRva + cb; + + return RTDbgModSegmentAdd(pArgs->hCnt, uRva, cb, pSeg->pszName, 0 /*fFlags*/, NULL); +} + + +/** @interface_method_impl{RTDBGMODVTDBG,pfnTryOpen} */ +static DECLCALLBACK(int) rtDbgModDbgHelp_TryOpen(PRTDBGMODINT pMod, RTLDRARCH enmArch) +{ + NOREF(enmArch); + + /* + * Currently only support external files with a executable already present. + */ + if (!pMod->pszDbgFile) + return VERR_DBG_NO_MATCHING_INTERPRETER; + if (!pMod->pImgVt) + return VERR_DBG_NO_MATCHING_INTERPRETER; + + /* + * Create a container for copying the information into. We do this early + * so we can determine the image base address. + */ + RTDBGMOD hCnt; + int rc = RTDbgModCreate(&hCnt, pMod->pszName, 0 /*cbSeg*/, 0 /*fFlags*/); + if (RT_SUCCESS(rc)) + { + RTDBGMODBGHELPARGS Args; + RT_ZERO(Args); + Args.hCnt = hCnt; + rc = pMod->pImgVt->pfnEnumSegments(pMod, rtDbgModDbgHelpAddSegmentsCallback, &Args); + if (RT_SUCCESS(rc)) + { + uint32_t cbImage = pMod->pImgVt->pfnImageSize(pMod); + uint64_t uImageBase = Args.uModAddr ? Args.uModAddr : 0x4000000; + + /* + * Try load the module into an empty address space. + */ + static uint32_t volatile s_uFakeHandle = 0x3940000; + HANDLE hFake; + do + hFake = (HANDLE)(uintptr_t)ASMAtomicIncU32(&s_uFakeHandle); + while (hFake == NULL || hFake == INVALID_HANDLE_VALUE); + + LogFlow(("rtDbgModDbgHelp_TryOpen: \n")); + if (SymInitialize(hFake, NULL /*SearchPath*/, FALSE /*fInvalidProcess*/)) + { + SymSetOptions(SYMOPT_LOAD_LINES | SymGetOptions()); + + PRTUTF16 pwszDbgFile; + rc = RTStrToUtf16(pMod->pszDbgFile, &pwszDbgFile); + if (RT_SUCCESS(rc)) + { + uint64_t uModAddr = SymLoadModuleExW(hFake, NULL /*hFile*/, pwszDbgFile, NULL /*pszModName*/, + uImageBase, cbImage, NULL /*pModData*/, 0 /*fFlags*/); + if (uModAddr != 0) + { + rc = rtDbgModDbgHelpCopySymbols(pMod, hCnt, hFake, uModAddr); + if (RT_SUCCESS(rc)) + rc = rtDbgModDbgHelpCopyLineNumbers(pMod, hCnt, hFake, uModAddr); + if (RT_SUCCESS(rc)) + { + pMod->pvDbgPriv = hCnt; + pMod->pDbgVt = &g_rtDbgModVtDbgDbgHelp; + hCnt = NIL_RTDBGMOD; + LogFlow(("rtDbgModDbgHelp_TryOpen: Successfully loaded '%s' at %#llx\n", + pMod->pszDbgFile, (uint64_t)uImageBase)); + } + + SymUnloadModule64(hFake, uModAddr); + } + else + { + rc = RTErrConvertFromWin32(GetLastError()); + if (RT_SUCCESS_NP(rc)) + rc = VERR_DBG_NO_MATCHING_INTERPRETER; + LogFlow(("rtDbgModDbgHelp_TryOpen: Error loading the module '%s' at %#llx: %Rrc (%u)\n", + pMod->pszDbgFile, (uint64_t)uImageBase, rc, GetLastError())); + } + RTUtf16Free(pwszDbgFile); + } + else + LogFlow(("rtDbgModDbgHelp_TryOpen: Unicode version issue: %Rrc\n", rc)); + + BOOL fRc2 = SymCleanup(hFake); Assert(fRc2); NOREF(fRc2); + } + else + { + rc = RTErrConvertFromWin32(GetLastError()); + if (RT_SUCCESS_NP(rc)) + rc = VERR_DBG_NO_MATCHING_INTERPRETER; + LogFlow(("rtDbgModDbgHelp_TryOpen: SymInitialize failed: %Rrc (%u)\n", rc, GetLastError())); + } + } + RTDbgModRelease(hCnt); + } + return rc; +} + + + +/** Virtual function table for the DBGHELP debug info reader. */ +DECL_HIDDEN_CONST(RTDBGMODVTDBG) const g_rtDbgModVtDbgDbgHelp = +{ + /*.u32Magic = */ RTDBGMODVTDBG_MAGIC, + /*.fSupports = */ RT_DBGTYPE_CODEVIEW, + /*.pszName = */ "dbghelp", + /*.pfnTryOpen = */ rtDbgModDbgHelp_TryOpen, + /*.pfnClose = */ rtDbgModDbgHelp_Close, + + /*.pfnRvaToSegOff = */ rtDbgModDbgHelp_RvaToSegOff, + /*.pfnImageSize = */ rtDbgModDbgHelp_ImageSize, + + /*.pfnSegmentAdd = */ rtDbgModDbgHelp_SegmentAdd, + /*.pfnSegmentCount = */ rtDbgModDbgHelp_SegmentCount, + /*.pfnSegmentByIndex = */ rtDbgModDbgHelp_SegmentByIndex, + + /*.pfnSymbolAdd = */ rtDbgModDbgHelp_SymbolAdd, + /*.pfnSymbolCount = */ rtDbgModDbgHelp_SymbolCount, + /*.pfnSymbolByOrdinal = */ rtDbgModDbgHelp_SymbolByOrdinal, + /*.pfnSymbolByName = */ rtDbgModDbgHelp_SymbolByName, + /*.pfnSymbolByAddr = */ rtDbgModDbgHelp_SymbolByAddr, + + /*.pfnLineAdd = */ rtDbgModDbgHelp_LineAdd, + /*.pfnLineCount = */ rtDbgModDbgHelp_LineCount, + /*.pfnLineByOrdinal = */ rtDbgModDbgHelp_LineByOrdinal, + /*.pfnLineByAddr = */ rtDbgModDbgHelp_LineByAddr, + + /*.pfnUnwindFrame = */ rtDbgModDbgHelp_UnwindFrame, + + /*.u32EndMagic = */ RTDBGMODVTDBG_MAGIC +}; + |