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#jira #rb none #ROBOMERGE-OWNER: ben.marsh #ROBOMERGE-AUTHOR: ben.marsh #ROBOMERGE-SOURCE: CL 5993252 via CL 5993257 via CL 5995286 [CL 5995562 by ben marsh in Main branch]
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
// Copyright 2011-2019 Molecular Matters GmbH, all rights reserved.
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#include "LC_SymbolResolution.h"
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#include "LC_PointerUtil.h"
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#include "LC_Logging.h"
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#include "Windows/WindowsHWrapper.h"
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#pragma push_macro("OPTIONAL")
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#ifndef OPTIONAL
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#define OPTIONAL
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#endif
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#include <dbghelp.h>
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#pragma pop_macro("OPTIONAL")
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namespace symbolResolution
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{
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void Startup(void)
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{
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::SymSetOptions(SYMOPT_DEFERRED_LOADS | SYMOPT_LOAD_LINES | SYMOPT_UNDNAME | SYMOPT_INCLUDE_32BIT_MODULES);
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const BOOL success = ::SymInitialize(::GetCurrentProcess(), "", true);
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if (success == Windows::FALSE)
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{
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const DWORD error = ::GetLastError();
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LC_ERROR_DEV("SymInitialize failed with error 0x%X", error);
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}
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}
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void Shutdown(void)
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{
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const BOOL success = ::SymCleanup(::GetCurrentProcess());
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if (success == Windows::FALSE)
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{
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const DWORD error = ::GetLastError();
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LC_ERROR_DEV("SymCleanup failed with error 0x%X", error);
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}
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}
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SymbolInfo ResolveSymbolsForAddress(const void* const address)
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{
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// retrieve function
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DWORD64 displacement64 = 0;
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ULONG64 buffer[(sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR) + sizeof(ULONG64) - 1) / sizeof(ULONG64)] = {};
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SYMBOL_INFO* symbolInfo = reinterpret_cast<SYMBOL_INFO*>(buffer);
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symbolInfo->SizeOfStruct = sizeof(SYMBOL_INFO);
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symbolInfo->MaxNameLen = MAX_SYM_NAME;
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const HANDLE process = ::GetCurrentProcess();
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const DWORD64 intAddress = pointer::AsInteger<DWORD64>(address);
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if (::SymFromAddr(process, intAddress, &displacement64, symbolInfo))
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{
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// retrieve filename and line number
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DWORD displacement = 0;
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IMAGEHLP_LINE64 line = {};
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line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
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if (::SymGetLineFromAddr64(process, intAddress, &displacement, &line))
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return SymbolInfo(symbolInfo->Name, line.FileName, line.LineNumber);
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}
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return SymbolInfo("unknown", "unknown", 0);
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}
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}
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