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[Summary] Added possibility to print out stacktrace directly from code on Windows

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[Reviewed by] Paul Davis
This commit is contained in:
Greg Zharun 2015-02-10 20:32:16 +02:00
parent d5270b56de
commit ebaccc0e4a
3 changed files with 63 additions and 2 deletions
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57
libs/pbd/stacktrace.cc
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@ -20,10 +20,19 @@
#include "libpbd-config.h"
#include "pbd/stacktrace.h"
#include "pbd/compose.h"
#include "pbd/pthread_utils.h"
#include <cstdio>
#include <iostream>
#include <string>
#ifdef PLATFORM_WINDOWS
#include <Windows.h>
#include <DbgHelp.h>
#endif
void
PBD::trace_twb ()
{
@ -103,6 +112,54 @@ PBD::stacktrace (std::ostream& out, int levels)
}
}
#elif defined (PLATFORM_WINDOWS)
std::string
PBD::demangle (std::string const & l) /* JE - !!!! 'PBD' namespace might possibly get removed (except it's still used in 'libs/canvas/item.cc') */
{
return std::string();
}
void
PBD::stacktrace( std::ostream& out, int)
{
const size_t levels = 62; // does not support more then 62 levels of stacktrace
unsigned int i;
void * stack[ levels ];
unsigned short frames;
SYMBOL_INFO * symbol;
HANDLE process;
process = GetCurrentProcess();
out << "+++++Backtrace process: " << pthread_self() << std::endl;
SymInitialize( process, NULL, TRUE );
frames = CaptureStackBackTrace( 0, levels, stack, NULL );
out << "+++++Backtrace frames: " << frames << std::endl;
symbol = ( SYMBOL_INFO * )calloc( sizeof( SYMBOL_INFO ) + 256 * sizeof( char ), 1 );
symbol->MaxNameLen = 255;
symbol->SizeOfStruct = sizeof( SYMBOL_INFO );
for( i = 0; i < frames; i++ )
{
SymFromAddr( process, ( DWORD64 )( stack[ i ] ), 0, symbol );
out << string_compose( "%1: %2 - %3\n", frames - i - 1, symbol->Name, symbol->Address );
}
out.flush();
free( symbol );
}
void
c_stacktrace ()
{
PBD::stacktrace (std::cout);
}
#else
std::string