blob: d6c9caebb765b03c282607b73be9ae8a22af9273 [file] [log] [blame]
// Copyright 2020 The Fuchsia Authors
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
#include <lib/zircon-internal/unique-backtrace.h>
#include <stdlib.h>
#include <zircon/assert.h>
void abort() { ZX_PANIC("abort() called!"); }
// The compiler generates calls to this for -fstack-protector.
extern "C" void __stack_chk_fail();
extern "C" void __stack_chk_fail() {
// By trapping instead of panicking, we'll preserve more register state and
// the exception handler will dump that state to the serial port or crash log.
// If we're lucky the registers will still contain both the actual and
// expected stack guard values so we can disambiguate stack corruption from
// arch_thread / percpu struct corruption.