ardour/livetrax
13
0
Fork 0
Code

NO-OP: whitespace & revert samples -> [stack]frames

Browse Source
This commit is contained in:
Robin Gareus 2019-04-08 00:35:00 +02:00
parent eeb2cddd26
commit e4f18c1771
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
2 changed files with 65 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

96
libs/pbd/pbd/stacktrace.h
View File

@ -45,71 +45,71 @@ namespace PBD {
template<typename T>
class /*LIBPBD_API*/ thing_with_backtrace
{
public:
thing_with_backtrace () {
trace_twb();
public:
thing_with_backtrace () {
trace_twb();
#ifdef HAVE_EXECINFO
allocation_backtrace = new void*[50];
allocation_backtrace_size = backtrace (allocation_backtrace, 50);
allocation_backtrace = new void*[50];
allocation_backtrace_size = backtrace (allocation_backtrace, 50);
#else
allocation_backtrace_size = 0;
allocation_backtrace_size = 0;
#endif
Glib::Threads::Mutex::Lock lm (all_mutex);
all.push_back (this);
}
Glib::Threads::Mutex::Lock lm (all_mutex);
all.push_back (this);
}
thing_with_backtrace (const thing_with_backtrace<T>& other) {
trace_twb();
thing_with_backtrace (const thing_with_backtrace<T>& other) {
trace_twb();
#ifdef HAVE_EXECINFO
allocation_backtrace = new void*[50];
allocation_backtrace_size = backtrace (allocation_backtrace, 50);
allocation_backtrace = new void*[50];
allocation_backtrace_size = backtrace (allocation_backtrace, 50);
#else
allocation_backtrace_size = 0;
allocation_backtrace_size = 0;
#endif
Glib::Threads::Mutex::Lock lm (all_mutex);
all.push_back (this);
}
Glib::Threads::Mutex::Lock lm (all_mutex);
all.push_back (this);
}
~thing_with_backtrace() {
if (allocation_backtrace_size) {
delete [] allocation_backtrace;
}
Glib::Threads::Mutex::Lock lm (all_mutex);
all.remove (this);
}
~thing_with_backtrace() {
if (allocation_backtrace_size) {
delete [] allocation_backtrace;
}
Glib::Threads::Mutex::Lock lm (all_mutex);
all.remove (this);
}
thing_with_backtrace<T>& operator= (const thing_with_backtrace<T>& other) {
/* no copyable members */
return *this;
}
thing_with_backtrace<T>& operator= (const thing_with_backtrace<T>& other) {
/* no copyable members */
return *this;
}
static void peek_a_boo (std::ostream& stream) {
static void peek_a_boo (std::ostream& stream) {
#ifdef HAVE_EXECINFO
typename std::list<thing_with_backtrace<T>*>::iterator x;
for (x = all.begin(); x != all.end(); ++x) {
char **strings;
size_t i;
typename std::list<thing_with_backtrace<T>*>::iterator x;
for (x = all.begin(); x != all.end(); ++x) {
char **strings;
size_t i;
strings = backtrace_symbols ((*x)->allocation_backtrace, (*x)->allocation_backtrace_size);
strings = backtrace_symbols ((*x)->allocation_backtrace, (*x)->allocation_backtrace_size);
if (strings) {
stream << "--- ALLOCATED SHARED_PTR @ " << (*x) << std::endl;
for (i = 0; i < (*x)->allocation_backtrace_size && i < 50U; i++) {
stream << strings[i] << std::endl;
}
free (strings);
}
}
if (strings) {
stream << "--- ALLOCATED SHARED_PTR @ " << (*x) << std::endl;
for (i = 0; i < (*x)->allocation_backtrace_size && i < 50U; i++) {
stream << strings[i] << std::endl;
}
free (strings);
}
}
#else
stream << "execinfo not defined for this platform" << std::endl;
stream << "execinfo not defined for this platform" << std::endl;
#endif
}
}
private:
void** allocation_backtrace;
int allocation_backtrace_size;
static std::list<thing_with_backtrace<T>* > all;
static Glib::Threads::Mutex all_mutex;
void** allocation_backtrace;
int allocation_backtrace_size;
static std::list<thing_with_backtrace<T>* > all;
static Glib::Threads::Mutex all_mutex;
};
template<typename T> /*LIBPBD_API*/ std::list<PBD::thing_with_backtrace<T> *> PBD::thing_with_backtrace<T>::all;

36
libs/pbd/stacktrace.cc
View File

@ -77,48 +77,46 @@ PBD::stacktrace (std::ostream& out, int levels)
#define CaptureStackBackTrace RtlCaptureStackBackTrace
extern "C" {
__declspec(dllimport) USHORT WINAPI CaptureStackBackTrace (
ULONG SamplesToSkip,
ULONG SamplesToCapture,
PVOID *BackTrace,
PULONG BackTraceHash
);
__declspec(dllimport) USHORT WINAPI CaptureStackBackTrace (
ULONG FramesToSkip,
ULONG FramesToCapture,
PVOID *BackTrace,
PULONG BackTraceHash);
}
#endif
void
PBD::stacktrace( std::ostream& out, int)
PBD::stacktrace (std::ostream& out, int)
{
#ifdef DEBUG
const size_t levels = 62; // does not support more then 62 levels of stacktrace
unsigned int i;
void * stack[ levels ];
unsigned short samples;
unsigned short frames;
SYMBOL_INFO * symbol;
HANDLE process;
process = GetCurrentProcess();
out << "+++++Backtrace process: " << DEBUG_THREAD_SELF << std::endl;
SymInitialize( process, NULL, TRUE );
SymInitialize (process, NULL, TRUE);
samples = CaptureStackBackTrace( 0, levels, stack, NULL );
frames = CaptureStackBackTrace (0, levels, stack, NULL);
out << "+++++Backtrace samples: " << samples << std::endl;
out << "+++++Backtrace frames: " << frames << std::endl;
symbol = ( SYMBOL_INFO * )calloc( sizeof( SYMBOL_INFO ) + 256 * sizeof( char ), 1 );
symbol = (SYMBOL_INFO*)calloc (sizeof (SYMBOL_INFO) + 256 * sizeof (char), 1);
symbol->MaxNameLen = 255;
symbol->SizeOfStruct = sizeof( SYMBOL_INFO );
symbol->SizeOfStruct = sizeof (SYMBOL_INFO);
for( i = 0; i < samples; i++ )
{
SymFromAddr( process, ( DWORD64 )( stack[ i ] ), 0, symbol );
out << string_compose( "%1: %2 - %3\n", samples - i - 1, symbol->Name, symbol->Address );
for (i = 0; i < frames; ++i) {
SymFromAddr (process, (DWORD64)(stack[i]), 0, symbol);
out << string_compose ("%1: %2 - %3\n", samples - i - 1, symbol->Name, symbol->Address);
}
out.flush();
out.flush ();
free( symbol );
free (symbol);
#endif
}