| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SRC_LIB_DEBUG_BACKTRACE_REQUEST_UTILS_H_ |
| #define SRC_LIB_DEBUG_BACKTRACE_REQUEST_UTILS_H_ |
| |
| #include <zircon/syscalls/debug.h> |
| #include <zircon/syscalls/exception.h> |
| #include <zircon/types.h> |
| |
| // Returns true if the given exception type and general registers indicate |
| // an exception caused by backtrace_request(). |
| bool is_backtrace_request(zx_excp_type_t excp_type, const zx_thread_state_general_regs_t* regs); |
| |
| // The backtrace request is requesting for the calling thread, rather than all threads. |
| bool is_backtrace_request_current_thread(const zx_thread_state_general_regs_t* regs); |
| |
| // Cleans up the backtrace request so that resuming |thread| will allow it to |
| // continue execution normally. |
| // |
| // This must only be called if is_backtrace_request() returned true, and only |
| // once per backtrace exception. |
| // |
| // |regs| may be modified by this function. |
| zx_status_t cleanup_backtrace_request(zx_handle_t thread, zx_thread_state_general_regs_t* regs); |
| |
| #endif // SRC_LIB_DEBUG_BACKTRACE_REQUEST_UTILS_H_ |
