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-rw-r--r--src/VBox/Runtime/common/dbg/dbgmoddbghelp.cpp537
1 files changed, 537 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..831bce8c
--- /dev/null
+++ b/src/VBox/Runtime/common/dbg/dbgmoddbghelp.cpp
@@ -0,0 +1,537 @@
+/* $Id: dbgmoddbghelp.cpp $ */
+/** @file
+ * IPRT - Debug Info Reader Using DbgHelp.dll if Present.
+ */
+
+/*
+ * Copyright (C) 2013-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+* 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
+ || pArgs->cbPrevUtf16Alloc < cbLen
+ || 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
+};
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 17:29:42 +0000