CrashProbe/CRLCrashStackGuard.m
/*
 * Copyright (c) 2014 HockeyApp, Bit Stadium GmbH.
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#import "CRLCrashStackGuard.h"

@implementation CRLCrashStackGuard

- (NSString *)category { return @"SIGSEGV"; }
- (NSString *)title { return @"Stack overflow"; }
- (NSString *)desc { return @""
  "Execute an infinitely recursive method, which overflows the stack and "
  "causes a crash by attempting to write to the guard page at the end.";
}

- (void)crash {
    [self crash];
    
    /* This is unreachable, but prevents clang from applying TCO to the above when
     * optimization is enabled. */
    NSLog(@"I'm here from the tail call prevention department.");
}

@end
