1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #pragma once 30 31 namespace unwindstack { 32 33 #include <sys/cdefs.h> 34 35 typedef uint64_t __riscv_mc_gp_state[32]; // unsigned long 36 37 struct __riscv_mc_f_ext_state { 38 uint32_t __f[32]; 39 uint32_t __fcsr; 40 }; 41 42 struct __riscv_mc_d_ext_state { 43 uint64_t __f[32]; 44 uint32_t __fcsr; 45 }; 46 47 struct __riscv_mc_q_ext_state { 48 uint64_t __f[64] __attribute__((__aligned__(16))); 49 uint32_t __fcsr; 50 uint32_t __reserved[3]; 51 }; 52 53 union __riscv_mc_fp_state { 54 struct __riscv_mc_f_ext_state __f; 55 struct __riscv_mc_d_ext_state __d; 56 struct __riscv_mc_q_ext_state __q; 57 }; 58 59 struct __riscv_stack_t { 60 uint64_t ss_sp; 61 int32_t ss_flags; 62 uint64_t ss_size; 63 }; 64 65 struct riscv64_sigset_t { 66 uint64_t sig; // unsigned long 67 }; 68 69 struct riscv64_mcontext_t { 70 __riscv_mc_gp_state __gregs; 71 union __riscv_mc_fp_state __fpregs; 72 }; 73 74 struct riscv64_ucontext_t { 75 uint64_t uc_flags; // unsigned long 76 struct riscv64_ucontext_t* uc_link; 77 __riscv_stack_t uc_stack; 78 riscv64_sigset_t uc_sigmask; 79 /* The kernel adds extra padding here to allow sigset_t to grow. */ 80 int8_t __padding[128 - sizeof(riscv64_sigset_t)]; // char 81 riscv64_mcontext_t uc_mcontext; 82 }; 83 84 } // namespace unwindstack 85