| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License.. |
| |
| #![allow(nonstandard_style)] |
| |
| use core::ffi::c_void; |
| type c_int = i32; |
| type uintptr_t = usize; |
| |
| #[repr(C)] |
| #[derive(Debug, Copy, Clone, PartialEq)] |
| pub enum _Unwind_Reason_Code { |
| _URC_NO_REASON = 0, |
| _URC_FOREIGN_EXCEPTION_CAUGHT = 1, |
| _URC_FATAL_PHASE2_ERROR = 2, |
| _URC_FATAL_PHASE1_ERROR = 3, |
| _URC_NORMAL_STOP = 4, |
| _URC_END_OF_STACK = 5, |
| _URC_HANDLER_FOUND = 6, |
| _URC_INSTALL_CONTEXT = 7, |
| _URC_CONTINUE_UNWIND = 8, |
| _URC_FAILURE = 9, // used only by ARM EHABI |
| } |
| pub use _Unwind_Reason_Code::*; |
| |
| pub type _Unwind_Exception_Class = u64; |
| pub type _Unwind_Word = uintptr_t; |
| pub type _Unwind_Ptr = uintptr_t; |
| pub type _Unwind_Trace_Fn = |
| extern "C" fn(ctx: *mut _Unwind_Context, arg: *mut c_void) -> _Unwind_Reason_Code; |
| |
| #[cfg(target_arch = "x86")] |
| pub const unwinder_private_data_size: usize = 5; |
| |
| #[cfg(target_arch = "x86_64")] |
| pub const unwinder_private_data_size: usize = 6; |
| |
| #[repr(C)] |
| pub struct _Unwind_Exception { |
| pub exception_class: _Unwind_Exception_Class, |
| pub exception_cleanup: _Unwind_Exception_Cleanup_Fn, |
| pub private: [_Unwind_Word; unwinder_private_data_size], |
| } |
| |
| pub enum _Unwind_Context {} |
| |
| pub type _Unwind_Exception_Cleanup_Fn = |
| extern "C" fn(unwind_code: _Unwind_Reason_Code, exception: *mut _Unwind_Exception); |
| |
| extern "C" { |
| #[unwind(allowed)] |
| pub fn _Unwind_Resume(exception: *mut _Unwind_Exception) -> !; |
| pub fn _Unwind_DeleteException(exception: *mut _Unwind_Exception); |
| pub fn _Unwind_GetLanguageSpecificData(ctx: *mut _Unwind_Context) -> *mut c_void; |
| pub fn _Unwind_GetRegionStart(ctx: *mut _Unwind_Context) -> _Unwind_Ptr; |
| pub fn _Unwind_GetTextRelBase(ctx: *mut _Unwind_Context) -> _Unwind_Ptr; |
| pub fn _Unwind_GetDataRelBase(ctx: *mut _Unwind_Context) -> _Unwind_Ptr; |
| } |
| |
| #[repr(C)] |
| #[derive(Copy, Clone, PartialEq)] |
| pub enum _Unwind_Action { |
| _UA_SEARCH_PHASE = 1, |
| _UA_CLEANUP_PHASE = 2, |
| _UA_HANDLER_FRAME = 4, |
| _UA_FORCE_UNWIND = 8, |
| _UA_END_OF_STACK = 16, |
| } |
| pub use _Unwind_Action::*; |
| |
| extern "C" { |
| pub fn _Unwind_GetGR(ctx: *mut _Unwind_Context, reg_index: c_int) -> _Unwind_Word; |
| pub fn _Unwind_SetGR(ctx: *mut _Unwind_Context, reg_index: c_int, value: _Unwind_Word); |
| pub fn _Unwind_GetIP(ctx: *mut _Unwind_Context) -> _Unwind_Word; |
| pub fn _Unwind_SetIP(ctx: *mut _Unwind_Context, value: _Unwind_Word); |
| pub fn _Unwind_GetIPInfo(ctx: *mut _Unwind_Context, ip_before_insn: *mut c_int) -> _Unwind_Word; |
| pub fn _Unwind_FindEnclosingFunction(pc: *mut c_void) -> *mut c_void; |
| } |
| |
| extern "C" { |
| #[unwind(allowed)] |
| pub fn _Unwind_RaiseException(exception: *mut _Unwind_Exception) -> _Unwind_Reason_Code; |
| pub fn _Unwind_Backtrace(trace: _Unwind_Trace_Fn, trace_argument: *mut c_void) -> _Unwind_Reason_Code; |
| } |