#include "environment.h"
#if GDEF_OS_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";
+#include <execinfo.h>
- // not a memleak, see www.gnu.org/software/libc/manual (Debugging Support, Backtraces)
- free( symbol_names );
- }
+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 GDEF_COMPILER_MSVC
#include "windows.h"
/// \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;
+ 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
/// \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;
+ 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;
+ 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 ){
- }
+ 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;
- }
+ 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 );
+ PSYMBOL_INFO pSymInfo,
+ ULONG SymbolSize,
+ PVOID UserContext ){
+ write_symbol( pSymInfo, ( (EnumerateSymbolsContext*)UserContext )->sf, ( (EnumerateSymbolsContext*)UserContext )->outputStream, ( (EnumerateSymbolsContext*)UserContext )->count );
- return TRUE;
+ return TRUE;
}
void write_stack_trace( PCONTEXT pContext, TextOutputStream& outputStream ){
- HANDLE m_hProcess = GetCurrentProcess();
- DWORD dwMachineType = 0;
+ HANDLE m_hProcess = GetCurrentProcess();
+ DWORD dwMachineType = 0;
- CONTEXT context = *pContext;
+ 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;
- }
+ // 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;
+ 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;
+ // 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;
+ dwMachineType = IMAGE_FILE_MACHINE_I386;
#elif _M_X64
- sf.AddrPC.Offset = context.Rip;
- sf.AddrStack.Offset = context.Rsp;
+ 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;
+ // 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;
+ 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;
+ 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 ) {
- }
+ __try { RaiseException( 0,0,0,0 ); } __except( write_stack_trace( ( GetExceptionInformation() )->ContextRecord, outputStream ), EXCEPTION_CONTINUE_EXECUTION ) {
+ }
}
#elif GDEF_OS_WINDOWS
void write_stack_trace( TextOutputStream& outputStream ){
- outputStream << "\nStacktrace is disabled on this compiler\n";
+ outputStream << "\nStacktrace is disabled on this compiler\n";
}
#else
void write_stack_trace( TextOutputStream& outputStream ){
- outputStream << "\nStacktrace is disabled on this platform\n";
+ outputStream << "\nStacktrace is disabled on this platform\n";
}
#endif
projects / xonotic / netradiant.git / blobdiff