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#import "OFArray.h"
#import "OFLocale.h"
#ifdef OF_HAVE_THREADS
# import "OFPlainMutex.h"
#endif
#import "OFString.h"
#import "OFSystemInfo.h"
#import "OFValue.h"
#import "OFInitializationFailedException.h"
#import "OFLockFailedException.h"
#import "OFUnlockFailedException.h"
#if defined(OF_WINDOWS) && defined(OF_HAVE_SOCKETS)
# include <winerror.h>
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#ifdef HAVE__UNWIND_BACKTRACE
static _Unwind_Reason_Code
backtraceCallback(struct _Unwind_Context *ctx, void *data)
{
struct BacktraceCtx *bt = data;
if (bt->i < OFBacktraceSize) {
if (bt->i < OFStackTraceSize) {
# ifndef HAVE_ARM_EHABI_EXCEPTIONS
bt->backtrace[bt->i++] = (void *)_Unwind_GetIP(ctx);
# else
uintptr_t ip;
_Unwind_VRS_Get(ctx, 0, 15, 0, &ip);
bt->backtrace[bt->i++] = (void *)(ip & ~1);
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#ifdef HAVE__UNWIND_BACKTRACE
- (instancetype)init
{
struct BacktraceCtx ctx;
self = [super init];
ctx.backtrace = _backtrace;
ctx.backtrace = _stackTrace;
ctx.i = 0;
_Unwind_Backtrace(backtraceCallback, &ctx);
return self;
}
#endif
- (OFString *)description
{
return [OFString stringWithFormat:
@"An exception of type %@ occurred!", self.class];
}
- (OFArray OF_GENERIC(OFString *) *)backtrace
- (OFArray OF_GENERIC(OFValue *) *)stackTraceAddresses
{
#ifdef HAVE__UNWIND_BACKTRACE
OFMutableArray OF_GENERIC(OFString *) *backtrace =
OFMutableArray OF_GENERIC(OFValue *) *stackTrace =
[OFMutableArray array];
void *pool = objc_autoreleasePoolPush();
for (uint_fast8_t i = 0; i < OFStackTraceSize &&
for (uint8_t i = 0; i < OFBacktraceSize && _backtrace[i] != NULL; i++) {
# ifdef HAVE_DLADDR
_stackTrace[i] != NULL; i++)
[stackTrace addObject:
[OFValue valueWithPointer: _stackTrace[i]]];
objc_autoreleasePoolPop(pool);
[stackTrace makeImmutable];
return stackTrace;
#else
return nil;
#endif
}
- (OFArray OF_GENERIC(OFString *) *)stackTraceSymbols
{
#if defined(HAVE__UNWIND_BACKTRACE) && defined(HAVE_DLADDR)
OFMutableArray OF_GENERIC(OFString *) *stackTrace =
[OFMutableArray array];
void *pool = objc_autoreleasePoolPush();
for (uint_fast8_t i = 0; i < OFStackTraceSize &&
_stackTrace[i] != NULL; i++) {
Dl_info info;
if (dladdr(_backtrace[i], &info)) {
if (dladdr(_stackTrace[i], &info)) {
ptrdiff_t offset = (char *)_stackTrace[i] -
(char *)info.dli_saddr;
OFString *frame;
if (info.dli_sname != NULL) {
ptrdiff_t offset = (char *)_backtrace[i] -
(char *)info.dli_saddr;
if (info.dli_fname != NULL && info.dli_sname != NULL)
frame = [OFString stringWithFormat:
@"%s`%s+%td",
info.dli_fname, info.dli_sname, offset];
else if (info.dli_sname != NULL)
frame = [OFString stringWithFormat:
@"%p <%s+%td> at %s",
_backtrace[i], info.dli_sname, offset,
info.dli_fname];
} else
@"%p <?" @"?> at %s",
_backtrace[i], info.dli_fname];
[backtrace addObject: frame];
[stackTrace addObject: frame];
} else
# endif
[backtrace addObject:
[OFString stringWithFormat: @"%p", _backtrace[i]]];
[backtrace makeImmutable];
[stackTrace makeImmutable];
return backtrace;
return stackTrace;
#else
return nil;
#endif
}
@end
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