+++ /dev/null
-/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
-
-This file is part of GtkRadiant.
-
-GtkRadiant 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; either version 2 of the License, or
-(at your option) any later version.
-
-GtkRadiant 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 GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include "stacktrace.h"
-#include "stream/textstream.h"
-
-#include "environment.h"
-
-#ifdef __linux__
-#include <execinfo.h>
-
-void write_stack_trace(TextOutputStream& outputStream)
-{
- const unsigned int MAX_SYMBOLS = 256;
- void* symbols[MAX_SYMBOLS];
-
- // get return addresses
- int symbol_count = backtrace(symbols, MAX_SYMBOLS);
-
- if(!symbol_count)
- return;
-
- // resolve and print names
- char** symbol_names = backtrace_symbols(symbols, symbol_count);
- if(symbol_names)
- {
- for(int i = 0; (i < symbol_count); ++i)
- outputStream << symbol_names[i] << "\n";
-
- // not a memleak, see www.gnu.org/software/libc/manual (Debugging Support, Backtraces)
- free(symbol_names);
- }
-}
-#elif defined (WIN32) && defined (_MSC_VER)
-
-#include "windows.h"
-#include "winnt.h"
-#include "dbghelp.h"
-
-class Address
-{
-public:
- void* m_value;
- Address(void* value) : m_value(value)
- {
- }
-};
-
-/// \brief Writes an address \p p to \p ostream in hexadecimal form.
-template<typename TextOutputStreamType>
-inline TextOutputStreamType& ostream_write(TextOutputStreamType& ostream, const Address& p)
-{
- const std::size_t bufferSize = (sizeof(void*) * 2) + 1;
- char buf[bufferSize];
- ostream.write(buf, snprintf(buf, bufferSize, "%0p", p.m_value));
- return ostream;
-}
-
-class Offset
-{
-public:
- void* m_value;
- Offset(void* value) : m_value(value)
- {
- }
-};
-
-/// \brief Writes an address \p p to \p ostream in hexadecimal form.
-template<typename TextOutputStreamType>
-inline TextOutputStreamType& ostream_write(TextOutputStreamType& ostream, const Offset& p)
-{
- const std::size_t bufferSize = (sizeof(void*) * 2) + 1;
- char buf[bufferSize];
- ostream.write(buf, snprintf(buf, bufferSize, "%X", p.m_value));
- return ostream;
-}
-
-/// \brief Writes a WCHAR string \p s to \p ostream.
-template<typename TextOutputStreamType>
-inline TextOutputStreamType& ostream_write(TextOutputStreamType& ostream, const WCHAR* s)
-{
- const std::size_t bufferSize = 1024;
- char buf[bufferSize];
- ostream.write(buf, snprintf(buf, bufferSize, "%ls", s));
- return ostream;
-}
-
-struct EnumerateSymbolsContext
-{
- STACKFRAME64& sf;
- TextOutputStream& outputStream;
- std::size_t count;
- EnumerateSymbolsContext(STACKFRAME64& sf, TextOutputStream& outputStream) : sf(sf), outputStream(outputStream), count(0)
- {
- }
-};
-
-void write_symbol(PSYMBOL_INFO pSym, STACKFRAME64& sf, TextOutputStream& outputStream, std::size_t& count)
-{
-#if 0
- if ( pSym->Flags & SYMFLAG_PARAMETER )
- {
-
- DWORD basicType;
- if ( SymGetTypeInfo( GetCurrentProcess(), pSym->ModBase, pSym->TypeIndex,
- TI_GET_BASETYPE, &basicType ) )
- {
- int bleh = 0;
- }
- else
- {
- DWORD typeId;
- if(SymGetTypeInfo( GetCurrentProcess(), pSym->ModBase, pSym->TypeIndex,
- TI_GET_TYPEID, &typeId ))
- {
- if ( SymGetTypeInfo( GetCurrentProcess(), pSym->ModBase, pSym->TypeIndex,
- TI_GET_BASETYPE, &basicType ) )
- {
- int bleh = 0;
- }
- else
- {
- const char* FormatGetLastError();
- const char* error = FormatGetLastError();
- int bleh = 0;
-
- WCHAR* name;
- if(SymGetTypeInfo( GetCurrentProcess(), pSym->ModBase, typeId,
- TI_GET_SYMNAME, &name ))
- {
- outputStream << name << " ";
- LocalFree(name);
- int bleh = 0;
- }
- else
- {
- const char* FormatGetLastError();
- const char* error = FormatGetLastError();
- int bleh = 0;
- }
- }
- }
- else
- {
- const char* FormatGetLastError();
- const char* error = FormatGetLastError();
- int bleh = 0;
- }
- }
- if(count != 0)
- {
- outputStream << ", ";
- }
- outputStream << pSym->Name;
- ++count;
- }
-#endif
-}
-
-BOOL CALLBACK
-EnumerateSymbolsCallback(
- PSYMBOL_INFO pSymInfo,
- ULONG SymbolSize,
- PVOID UserContext )
-{
- write_symbol( pSymInfo, ((EnumerateSymbolsContext*)UserContext)->sf, ((EnumerateSymbolsContext*)UserContext)->outputStream, ((EnumerateSymbolsContext*)UserContext)->count);
-
-
- return TRUE;
-}
-
-void write_stack_trace(PCONTEXT pContext, TextOutputStream& outputStream)
-{
- HANDLE m_hProcess = GetCurrentProcess();
- DWORD dwMachineType = 0;
-
- CONTEXT context = *pContext;
-
- // Could use SymSetOptions here to add the SYMOPT_DEFERRED_LOADS flag
- if ( !SymInitialize( m_hProcess, (PSTR)environment_get_app_path(), TRUE ) )
- {
- return;
- }
-
- STACKFRAME64 sf;
- memset( &sf, 0, sizeof(sf) );
- sf.AddrPC.Mode = AddrModeFlat;
- sf.AddrStack.Mode = AddrModeFlat;
- sf.AddrFrame.Mode = AddrModeFlat;
-
-#ifdef _M_IX86
- // Initialize the STACKFRAME structure for the first call. This is only
- // necessary for Intel CPUs, and isn't mentioned in the documentation.
- sf.AddrPC.Offset = context.Eip;
- sf.AddrStack.Offset = context.Esp;
- sf.AddrFrame.Offset = context.Ebp;
-
- dwMachineType = IMAGE_FILE_MACHINE_I386;
-#elif _M_X64
- sf.AddrPC.Offset = context.Rip;
- sf.AddrStack.Offset = context.Rsp;
-
- // MSDN: x64: The frame pointer is RBP or RDI. This value is not always used.
- // very funny, we'll try Rdi for now
- sf.AddrFrame.Offset = context.Rdi;
-
- dwMachineType = IMAGE_FILE_MACHINE_AMD64;
-#endif
-
- const unsigned int max_sym_name = 1024;// should be enough
-
- while ( 1 )
- {
- // Get the next stack frame
- if ( ! StackWalk64( dwMachineType,
- m_hProcess,
- GetCurrentThread(),
- &sf,
- &context,
- 0,
- SymFunctionTableAccess64,
- SymGetModuleBase64,
- 0 ) )
- break;
-
- if ( 0 == sf.AddrFrame.Offset ) // Basic sanity check to make sure
- break; // the frame is OK. Bail if not.
-
- // Get the name of the function for this stack frame entry
- BYTE symbolBuffer[ sizeof(SYMBOL_INFO) + max_sym_name ];
- PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)symbolBuffer;
- pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
- pSymbol->MaxNameLen = max_sym_name;
-
- DWORD64 symDisplacement = 0; // Displacement of the input address,
- // relative to the start of the symbol
-
- IMAGEHLP_MODULE64 module = { sizeof(IMAGEHLP_MODULE64) };
- if(SymGetModuleInfo64(m_hProcess, sf.AddrPC.Offset, &module))
- {
- outputStream << module.ModuleName << "!";
-
- if ( SymFromAddr(m_hProcess, sf.AddrPC.Offset, &symDisplacement, pSymbol))
- {
- char undecoratedName[max_sym_name];
- UnDecorateSymbolName(pSymbol->Name, undecoratedName, max_sym_name, UNDNAME_COMPLETE);
-
- outputStream << undecoratedName;
-
- outputStream << "(";
- // Use SymSetContext to get just the locals/params for this frame
- IMAGEHLP_STACK_FRAME imagehlpStackFrame;
- imagehlpStackFrame.InstructionOffset = sf.AddrPC.Offset;
- SymSetContext( m_hProcess, &imagehlpStackFrame, 0 );
-
- // Enumerate the locals/parameters
- EnumerateSymbolsContext context(sf, outputStream);
- SymEnumSymbols( m_hProcess, 0, 0, EnumerateSymbolsCallback, &context );
- outputStream << ")";
-
- outputStream << " + " << Offset(reinterpret_cast<void*>(symDisplacement));
-
- // Get the source line for this stack frame entry
- IMAGEHLP_LINE64 lineInfo = { sizeof(IMAGEHLP_LINE64) };
- DWORD dwLineDisplacement;
- if ( SymGetLineFromAddr64( m_hProcess, sf.AddrPC.Offset,
- &dwLineDisplacement, &lineInfo ) )
- {
- outputStream << " " << lineInfo.FileName << " line " << Unsigned(lineInfo.LineNumber);
- }
- }
- else
- {
- outputStream << Address(reinterpret_cast<void*>(sf.AddrPC.Offset));
- }
- }
-
- outputStream << "\n";
- }
-
- SymCleanup(m_hProcess);
-
- return;
-}
-
-void write_stack_trace(TextOutputStream& outputStream)
-{
- __try{ RaiseException(0,0,0,0); } __except(write_stack_trace((GetExceptionInformation())->ContextRecord, outputStream), EXCEPTION_CONTINUE_EXECUTION) {}
-}
-
-#elif defined (WIN32)
-void write_stack_trace(TextOutputStream& outputStream)
-{
- outputStream << "\nStacktrace is disabled on this compiler\n";
-}
-#else
-void write_stack_trace(TextOutputStream& outputStream)
-{
- outputStream << "\nStacktrace is disabled on this platform\n";
-}
-#endif
projects / voretournament / voretournament.git / blobdiff