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* file.
*/
#include "config.h"
#include <stdlib.h>
#ifdef HAVE_EXECINFO_H
# include <execinfo.h>
#ifdef HAVE_DLFCN_H
# include <dlfcn.h>
#endif
#import "OFException.h"
#import "OFString.h"
#import "OFArray.h"
#import "autorelease.h"
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}
- initWithClass: (Class)class
{
self = [super init];
_inClass = class;
#ifdef HAVE_EXECINFO_H
_backtraceSize = backtrace(_backtraceBuffer,
#ifdef HAVE_BUILTIN_RETURN_ADDRESS
/*
* We can't use a loop here, as __builtin_return_address() and
* __builtin_frame_address() only allow a constant as parameter.
*/
# define GET_FRAME(i) \
if (__builtin_frame_address(i + 1) == NULL) \
goto backtrace_done; \
if ((_returnAddresses[i] = ( \
__builtin_return_address(i))) == NULL) \
goto backtrace_done;
OF_EXCEPTION_MAX_BACKTRACE_SIZE);
- (void)dealloc
{
[_backtrace release];
[super dealloc];
}
#ifdef HAVE_EXECINFO_H
char **symbols;
#ifdef HAVE_BUILTIN_RETURN_ADDRESS
OFMutableArray *backtrace = [OFMutableArray array];
void *pool = objc_autoreleasePoolPush();
uint_fast8_t i;
if (_backtrace != nil)
return _backtrace;
if (_backtraceSize < 1)
return nil;
symbols = backtrace_symbols(_backtraceBuffer, _backtraceSize);
@try {
int i;
_backtrace = [[OFMutableArray alloc] init];
info.dli_sname = "??";
for (i = 0; i < _backtraceSize; i++) {
[backtrace addObject:
void *pool = objc_autoreleasePoolPush();
OFString *symbol;
symbol = [OFString
stringWithCString: symbols[i]
encoding: OF_STRING_ENCODING_NATIVE];
[_backtrace addObject: symbol];
objc_autoreleasePoolPop(pool);
}
} @finally {
free(symbols);
}
[_backtrace makeImmutable];
[backtrace makeImmutable];
return _backtrace;
return backtrace;
#else
return nil;
#endif
}
@end
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