1// Copyright 2016 The Fuchsia Authors
2//
3// Use of this source code is governed by a MIT-style
4// license that can be found in the LICENSE file or at
5// https://opensource.org/licenses/MIT
6
7#pragma once
8
9#include <sys/types.h>
10#include <zircon/compiler.h>
11#include <zircon/types.h>
12
13__BEGIN_CDECLS
14
15typedef struct arch_exception_context arch_exception_context_t;
16typedef struct zx_exception_report zx_exception_report_t;
17
18// Called by arch code when it cannot handle an exception.
19// |context| is architecture-specific, and can be dumped to the console
20// using arch_dump_exception_context(). Implemented by non-arch code.
21zx_status_t dispatch_user_exception(uint exception_type,
22                                    arch_exception_context_t* context);
23
24// Dispatches an exception that was raised by a syscall using
25// thread_signal_policy_exception() (see <kernel/thread.h>), causing
26// dispatch_user_exception() to be called with the current context.
27// Implemented by arch code.
28zx_status_t arch_dispatch_user_policy_exception(void);
29
30// Dumps architecture-specific state to the console. |context| typically comes
31// from a call to dispatch_user_exception(). Implemented by arch code.
32void arch_dump_exception_context(const arch_exception_context_t* context);
33
34// Sets |report| using architecture-specific information from |context|.
35// Implemented by arch code.
36void arch_fill_in_exception_context(
37    const arch_exception_context_t* context, zx_exception_report_t* report);
38
39__END_CDECLS
40