Chocobo1
2 years ago
committed by
GitHub
11 changed files with 122 additions and 534 deletions
@ -0,0 +1,36 @@ |
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/*
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* Bittorrent Client using Qt and libtorrent. |
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* Copyright (C) 2022 Mike Tzou (Chocobo1) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* |
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* In addition, as a special exception, the copyright holders give permission to |
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* link this program with the OpenSSL project's "OpenSSL" library (or with |
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* modified versions of it that use the same license as the "OpenSSL" library), |
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* and distribute the linked executables. You must obey the GNU General Public |
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* License in all respects for all of the code used other than "OpenSSL". If you |
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* modify file(s), you may extend this exception to your version of the file(s), |
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* but you are not obligated to do so. If you do not wish to do so, delete this |
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* exception statement from your version. |
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*/ |
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#include "stacktrace.h" |
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#include <boost/stacktrace.hpp> |
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std::string getStacktrace() |
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{ |
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return boost::stacktrace::to_string(boost::stacktrace::stacktrace()); |
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} |
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@ -1,116 +1,33 @@ |
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// stacktrace.h (c) 2008, Timo Bingmann from http://idlebox.net/
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/*
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// published under the WTFPL v2.0
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* Bittorrent Client using Qt and libtorrent. |
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* Copyright (C) 2022 Mike Tzou (Chocobo1) |
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#ifndef _STACKTRACE_H_ |
* |
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#define _STACKTRACE_H_ |
* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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#include <stdio.h> |
* as published by the Free Software Foundation; either version 2 |
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#include <stdlib.h> |
* of the License, or (at your option) any later version. |
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#include <execinfo.h> |
* |
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#include <cxxabi.h> |
* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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#include <vector> |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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/** Print a demangled stack backtrace of the caller function to FILE* out. */ |
* |
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static inline void print_stacktrace(FILE *out = stderr, const int max_frames = 63) |
* You should have received a copy of the GNU General Public License |
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{ |
* along with this program; if not, write to the Free Software |
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fprintf(out, "Stack trace:\n"); |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* |
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// storage array for stack trace address data
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* In addition, as a special exception, the copyright holders give permission to |
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std::vector<void *> addrlist(max_frames + 1); |
* link this program with the OpenSSL project's "OpenSSL" library (or with |
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* modified versions of it that use the same license as the "OpenSSL" library), |
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// retrieve current stack addresses
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* and distribute the linked executables. You must obey the GNU General Public |
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int addrlen = backtrace(addrlist.data(), addrlist.size()); |
* License in all respects for all of the code used other than "OpenSSL". If you |
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* modify file(s), you may extend this exception to your version of the file(s), |
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if (addrlen == 0) |
* but you are not obligated to do so. If you do not wish to do so, delete this |
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{ |
* exception statement from your version. |
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fprintf(out, " <empty, possibly corrupt>\n"); |
*/ |
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return; |
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} |
#pragma once |
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// resolve addresses into strings containing "filename(function+address)",
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#include <string> |
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// this array must be free()-ed
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char * *symbollist = backtrace_symbols(addrlist.data(), addrlen); |
std::string getStacktrace(); |
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// allocate string which will be filled with the demangled function name
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size_t funcnamesize = 256; |
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char *funcname = static_cast<char *>(malloc(funcnamesize)); |
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int functionNamesFound = 0; |
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// iterate over the returned symbol lines. skip the first, it is the
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// address of this function.
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for (int i = 2; i < addrlen; i++) |
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{ |
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char *begin_name = 0, *begin_offset = 0, *end_offset = 0; |
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// find parentheses and +address offset surrounding the mangled name:
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// ./module(function+0x15c) [0x8048a6d]
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// fprintf(out, "%s TT\n", symbollist[i]);
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for (char *p = symbollist[i]; *p; ++p) |
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{ |
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if (*p == '(') |
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{ |
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begin_name = p; |
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} |
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else if (*p == '+') |
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{ |
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begin_offset = p; |
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} |
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else if ((*p == ')') && begin_offset) |
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{ |
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end_offset = p; |
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break; |
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} |
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} |
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if (begin_name && begin_offset && end_offset |
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&& (begin_name < begin_offset)) |
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{ |
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*begin_name++ = '\0'; |
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*begin_offset++ = '\0'; |
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*end_offset = '\0'; |
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// mangled name is now in [begin_name, begin_offset) and caller
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// offset in [begin_offset, end_offset). now apply
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// __cxa_demangle():
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int status; |
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char *ret = abi::__cxa_demangle(begin_name, |
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funcname, &funcnamesize, &status); |
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if (status == 0) |
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{ |
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funcname = ret; // use possibly realloc()-ed string
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fprintf(out, " %s : %s+%s %s\n", |
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symbollist[i], funcname, begin_offset, ++end_offset); |
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} |
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else |
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{ |
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// demangling failed. Output function name as a C function with
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// no arguments.
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fprintf(out, " %s : %s()+%s %s\n", |
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symbollist[i], begin_name, begin_offset, ++end_offset); |
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} |
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++functionNamesFound; |
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} |
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else |
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{ |
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// couldn't parse the line? print the whole line.
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fprintf(out, " %s\n", symbollist[i]); |
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} |
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} |
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if (!functionNamesFound) |
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{ |
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fprintf(out, "There were no function names found in the stack trace\n." |
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"Seems like debug symbols are not installed, and the stack trace is useless.\n"); |
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} |
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if (functionNamesFound < addrlen - 2) |
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{ |
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fprintf(out, "Consider installing debug symbols for packages containing files with empty" |
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" function names (i.e. empty braces \"()\") to make your stack trace more useful\n"); |
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} |
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free(funcname); |
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free(symbollist); |
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} |
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#endif // _STACKTRACE_H_
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@ -1,360 +0,0 @@ |
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/***************************************************************************
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* Copyright (C) 2005-09 by the Quassel Project * |
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* devel@quassel-irc.org * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) version 3. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the * |
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* Free Software Foundation, Inc., * |
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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***************************************************************************/ |
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#pragma once |
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#include <windows.h> |
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#include <dbghelp.h> |
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#include <stdio.h> |
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#include <QCoreApplication> |
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#include <QDir> |
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#include <QTextStream> |
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#ifdef __MINGW32__ |
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#include <cxxabi.h> |
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#endif |
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#include "base/global.h" |
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namespace straceWin |
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{ |
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void loadHelpStackFrame(IMAGEHLP_STACK_FRAME&, const STACKFRAME64&); |
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BOOL CALLBACK EnumSymbolsCB(PSYMBOL_INFO, ULONG, PVOID); |
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BOOL CALLBACK EnumModulesCB(LPCSTR, DWORD64, PVOID); |
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const QString getBacktrace(); |
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struct EnumModulesContext; |
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// Also works for MinGW64
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#ifdef __MINGW32__ |
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void demangle(QString& str); |
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#endif |
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QString getSourcePathAndLineNumber(HANDLE hProcess, DWORD64 addr); |
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bool makeRelativePath(const QString& dir, QString& file); |
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} |
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#ifdef __MINGW32__ |
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void straceWin::demangle(QString& str) |
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{ |
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char const* inStr = qPrintable(u"_" + str); // Really need that underline or demangling will fail
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int status = 0; |
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size_t outSz = 0; |
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char* demangled_name = abi::__cxa_demangle(inStr, 0, &outSz, &status); |
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if (status == 0) |
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{ |
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str = QString::fromLocal8Bit(demangled_name); |
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if (outSz > 0) |
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free(demangled_name); |
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} |
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} |
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#endif |
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void straceWin::loadHelpStackFrame(IMAGEHLP_STACK_FRAME& ihsf, const STACKFRAME64& stackFrame) |
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{ |
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ZeroMemory(&ihsf, sizeof(IMAGEHLP_STACK_FRAME)); |
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ihsf.InstructionOffset = stackFrame.AddrPC.Offset; |
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ihsf.FrameOffset = stackFrame.AddrFrame.Offset; |
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} |
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BOOL CALLBACK straceWin::EnumSymbolsCB(PSYMBOL_INFO symInfo, ULONG size, PVOID user) |
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{ |
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Q_UNUSED(size) |
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auto params = static_cast<QStringList *>(user); |
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if (symInfo->Flags & SYMFLAG_PARAMETER) |
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params->append(QString::fromUtf8(symInfo->Name)); |
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return TRUE; |
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} |
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struct straceWin::EnumModulesContext |
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{ |
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HANDLE hProcess; |
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QTextStream& stream; |
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EnumModulesContext(HANDLE hProcess, QTextStream& stream): hProcess(hProcess), stream(stream) {} |
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}; |
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BOOL CALLBACK straceWin::EnumModulesCB(LPCSTR ModuleName, DWORD64 BaseOfDll, PVOID UserContext) |
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{ |
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Q_UNUSED(ModuleName) |
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IMAGEHLP_MODULE64 mod; |
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auto context = static_cast<EnumModulesContext *>(UserContext); |
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mod.SizeOfStruct = sizeof(IMAGEHLP_MODULE64); |
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if(SymGetModuleInfo64(context->hProcess, BaseOfDll, &mod)) |
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{ |
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QString moduleBase = u"0x%1"_qs.arg(BaseOfDll, 16, 16, QChar(u'0')); |
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QString line = u"%1 %2 Image: %3"_qs |
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.arg(QString::fromUtf8(mod.ModuleName), -25) |
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.arg(moduleBase, -13) |
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.arg(QString::fromUtf8(mod.LoadedImageName)); |
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context->stream << line << '\n'; |
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const auto pdbName = QString::fromUtf8(mod.LoadedPdbName); |
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if(!pdbName.isEmpty()) |
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{ |
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QString line2 = u"%1 %2"_qs |
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.arg(u""_qs, 35) |
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.arg(pdbName); |
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context->stream << line2 << '\n'; |
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} |
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} |
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return TRUE; |
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} |
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/**
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* Cuts off leading 'dir' path from 'file' path, otherwise leaves it unchanged |
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* returns true if 'dir' is an ancestor of 'file', otherwise - false |
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*/ |
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bool straceWin::makeRelativePath(const QString &dir, QString &file) |
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{ |
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QString d = QDir::toNativeSeparators(QDir(dir).absolutePath()); |
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QString f = QDir::toNativeSeparators(QFileInfo(file).absoluteFilePath()); |
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// append separator at the end of dir
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QChar separator = QDir::separator(); |
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if (!d.isEmpty() && (d[d.length() - 1] != separator)) |
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d += separator; |
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if (f.startsWith(d, Qt::CaseInsensitive)) |
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{ |
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f.remove(0, d.length()); |
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file.swap(f); |
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return true; |
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} |
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return false; |
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} |
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QString straceWin::getSourcePathAndLineNumber(HANDLE hProcess, DWORD64 addr) |
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{ |
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IMAGEHLP_LINE64 line {}; |
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line.SizeOfStruct = sizeof(IMAGEHLP_LINE64); |
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DWORD dwDisplacement = 0; |
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if (SymGetLineFromAddr64(hProcess, addr, &dwDisplacement, &line)) |
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{ |
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auto path = QString::fromUtf8(line.FileName); |
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#if defined STACKTRACE_WIN_PROJECT_PATH || defined STACKTRACE_WIN_MAKEFILE_PATH |
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#define STACKTRACE_WIN_QUOTE(x) #x |
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#define STACKTRACE_WIN_STRING(x) STACKTRACE_WIN_QUOTE(x) |
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//prune leading project directory path or build target directory path
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bool success = false; |
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#ifdef STACKTRACE_WIN_PROJECT_PATH |
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const auto projectPath = QStringLiteral(STACKTRACE_WIN_STRING(STACKTRACE_WIN_PROJECT_PATH)); |
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success = makeRelativePath(projectPath, path); |
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#endif |
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#ifdef STACKTRACE_WIN_MAKEFILE_PATH |
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if (!success) |
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{ |
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const auto targetPath = QStringLiteral(STACKTRACE_WIN_STRING(STACKTRACE_WIN_MAKEFILE_PATH)); |
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makeRelativePath(targetPath, path); |
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} |
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#endif |
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#endif |
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return u"%1 : %2"_qs.arg(path).arg(line.LineNumber); |
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} |
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return QString(); |
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} |
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#if defined( _M_IX86 ) && defined(Q_CC_MSVC) |
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// Disable global optimization and ignore /GS waning caused by
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// inline assembly.
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// not needed with mingw cause we can tell mingw which registers we use
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#pragma optimize("g", off) |
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#pragma warning(push) |
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#pragma warning(disable : 4748) |
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#endif |
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const QString straceWin::getBacktrace() |
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{ |
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DWORD MachineType; |
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CONTEXT Context; |
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STACKFRAME64 StackFrame; |
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#ifdef _M_IX86 |
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ZeroMemory(&Context, sizeof(CONTEXT)); |
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Context.ContextFlags = CONTEXT_CONTROL; |
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#ifdef __MINGW32__ |
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asm ("Label:\n\t" |
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"movl %%ebp,%0;\n\t" |
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"movl %%esp,%1;\n\t" |
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"movl $Label,%%eax;\n\t" |
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"movl %%eax,%2;\n\t" |
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: "=r" (Context.Ebp),"=r" (Context.Esp),"=r" (Context.Eip) |
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: //no input
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: "eax"); |
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#else |
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_asm |
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{ |
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Label: |
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mov [Context.Ebp], ebp; |
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mov [Context.Esp], esp; |
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mov eax, [Label]; |
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mov [Context.Eip], eax; |
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} |
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#endif |
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#else |
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RtlCaptureContext(&Context); |
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#endif |
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ZeroMemory(&StackFrame, sizeof(STACKFRAME64)); |
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#ifdef _M_IX86 |
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MachineType = IMAGE_FILE_MACHINE_I386; |
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StackFrame.AddrPC.Offset = Context.Eip; |
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StackFrame.AddrPC.Mode = AddrModeFlat; |
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StackFrame.AddrFrame.Offset = Context.Ebp; |
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StackFrame.AddrFrame.Mode = AddrModeFlat; |
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StackFrame.AddrStack.Offset = Context.Esp; |
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StackFrame.AddrStack.Mode = AddrModeFlat; |
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#elif _M_X64 |
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MachineType = IMAGE_FILE_MACHINE_AMD64; |
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StackFrame.AddrPC.Offset = Context.Rip; |
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StackFrame.AddrPC.Mode = AddrModeFlat; |
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StackFrame.AddrFrame.Offset = Context.Rsp; |
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StackFrame.AddrFrame.Mode = AddrModeFlat; |
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StackFrame.AddrStack.Offset = Context.Rsp; |
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StackFrame.AddrStack.Mode = AddrModeFlat; |
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#elif _M_IA64 |
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MachineType = IMAGE_FILE_MACHINE_IA64; |
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StackFrame.AddrPC.Offset = Context.StIIP; |
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StackFrame.AddrPC.Mode = AddrModeFlat; |
|
||||||
StackFrame.AddrFrame.Offset = Context.IntSp; |
|
||||||
StackFrame.AddrFrame.Mode = AddrModeFlat; |
|
||||||
StackFrame.AddrBStore.Offset = Context.RsBSP; |
|
||||||
StackFrame.AddrBStore.Mode = AddrModeFlat; |
|
||||||
StackFrame.AddrStack.Offset = Context.IntSp; |
|
||||||
StackFrame.AddrStack.Mode = AddrModeFlat; |
|
||||||
#else |
|
||||||
#error "Unsupported platform" |
|
||||||
#endif |
|
||||||
|
|
||||||
QString log; |
|
||||||
QTextStream logStream(&log); |
|
||||||
logStream << "```\n"; |
|
||||||
|
|
||||||
const std::wstring appPath = QCoreApplication::applicationDirPath().toStdWString(); |
|
||||||
HANDLE hProcess = GetCurrentProcess(); |
|
||||||
HANDLE hThread = GetCurrentThread(); |
|
||||||
SymInitializeW(hProcess, appPath.c_str(), TRUE); |
|
||||||
|
|
||||||
DWORD64 dwDisplacement; |
|
||||||
|
|
||||||
ULONG64 buffer[(sizeof(SYMBOL_INFO) + |
|
||||||
MAX_SYM_NAME * sizeof(TCHAR) + |
|
||||||
sizeof(ULONG64) - 1) / sizeof(ULONG64)]; |
|
||||||
auto pSymbol = reinterpret_cast<PSYMBOL_INFO>(buffer); |
|
||||||
pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO); |
|
||||||
pSymbol->MaxNameLen = MAX_SYM_NAME; |
|
||||||
|
|
||||||
IMAGEHLP_MODULE64 mod; |
|
||||||
mod.SizeOfStruct = sizeof(IMAGEHLP_MODULE64); |
|
||||||
|
|
||||||
IMAGEHLP_STACK_FRAME ihsf; |
|
||||||
ZeroMemory(&ihsf, sizeof(IMAGEHLP_STACK_FRAME)); |
|
||||||
|
|
||||||
int i = 0; |
|
||||||
|
|
||||||
while(StackWalk64(MachineType, hProcess, hThread, &StackFrame, &Context, NULL, NULL, NULL, NULL)) |
|
||||||
{ |
|
||||||
if(i == 128) |
|
||||||
break; |
|
||||||
|
|
||||||
loadHelpStackFrame(ihsf, StackFrame); |
|
||||||
if(StackFrame.AddrPC.Offset != 0) |
|
||||||
{ // Valid frame.
|
|
||||||
|
|
||||||
auto fileName = u"???"_qs; |
|
||||||
if(SymGetModuleInfo64(hProcess, ihsf.InstructionOffset, &mod)) |
|
||||||
{ |
|
||||||
fileName = QString::fromUtf8(mod.ImageName); |
|
||||||
int slashPos = fileName.lastIndexOf(u'\\'); |
|
||||||
if(slashPos != -1) |
|
||||||
fileName = fileName.mid(slashPos + 1); |
|
||||||
} |
|
||||||
QString funcName; |
|
||||||
QString sourceFile; |
|
||||||
if(SymFromAddr(hProcess, ihsf.InstructionOffset, &dwDisplacement, pSymbol)) |
|
||||||
{ |
|
||||||
funcName = QString::fromUtf8(pSymbol->Name); |
|
||||||
#ifdef __MINGW32__ |
|
||||||
demangle(funcName); |
|
||||||
#endif |
|
||||||
|
|
||||||
// now ihsf.InstructionOffset points to the instruction that follows CALL instruction
|
|
||||||
// decrease the query address by one byte to point somewhere in the CALL instruction byte sequence
|
|
||||||
sourceFile = getSourcePathAndLineNumber(hProcess, ihsf.InstructionOffset - 1); |
|
||||||
} |
|
||||||
else |
|
||||||
{ |
|
||||||
funcName = u"0x%1"_qs.arg(ihsf.InstructionOffset, 8, 16, QChar(u'0')); |
|
||||||
} |
|
||||||
SymSetContext(hProcess, &ihsf, NULL); |
|
||||||
#ifndef __MINGW32__ |
|
||||||
QStringList params; |
|
||||||
SymEnumSymbols(hProcess, 0, NULL, EnumSymbolsCB, (PVOID)¶ms); |
|
||||||
#endif |
|
||||||
|
|
||||||
QString insOffset = u"0x%1"_qs.arg(ihsf.InstructionOffset, 16, 16, QChar(u'0')); |
|
||||||
auto formatLine = u"#%1 %2 %3 %4"_qs; |
|
||||||
#ifndef __MINGW32__ |
|
||||||
formatLine += u"(%5)"_qs; |
|
||||||
#endif |
|
||||||
QString debugLine = formatLine |
|
||||||
.arg(i, 3, 10) |
|
||||||
.arg(fileName, -20) |
|
||||||
.arg(insOffset, -11) |
|
||||||
.arg(funcName) |
|
||||||
#ifndef __MINGW32__ |
|
||||||
.arg(params.join(u", ")); |
|
||||||
|
|
||||||
if (!sourceFile.isEmpty()) |
|
||||||
debugLine += u"[ %1 ]"_qs.arg(sourceFile); |
|
||||||
#else |
|
||||||
; |
|
||||||
#endif |
|
||||||
logStream << debugLine << '\n'; |
|
||||||
i++; |
|
||||||
} |
|
||||||
else |
|
||||||
{ |
|
||||||
break; // we're at the end.
|
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
//logStream << "\n\nList of linked Modules:\n";
|
|
||||||
//EnumModulesContext modulesContext(hProcess, logStream);
|
|
||||||
//SymEnumerateModules64(hProcess, EnumModulesCB, (PVOID)&modulesContext);
|
|
||||||
SymCleanup(hProcess); |
|
||||||
|
|
||||||
logStream << "```"; |
|
||||||
return log; |
|
||||||
} |
|
||||||
#if defined(_M_IX86) && defined(Q_CC_MSVC) |
|
||||||
#pragma warning(pop) |
|
||||||
#pragma optimize("g", on) |
|
||||||
#endif |
|
||||||
Loading…
Reference in new issue