1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef SANDBOX_LINUX_SYSTEM_HEADERS_MIPS_LINUX_UCONTEXT_H_ 6 #define SANDBOX_LINUX_SYSTEM_HEADERS_MIPS_LINUX_UCONTEXT_H_ 7 8 #include <stdint.h> 9 10 // This is mostly copied from breakpad (common/android/include/sys/ucontext.h), 11 // except we do use sigset_t for uc_sigmask instead of a custom type. 12 #if !defined(__BIONIC_HAVE_UCONTEXT_T) 13 // Ensure that 'stack_t' is defined. 14 #include <asm/signal.h> 15 16 // We also need greg_t for the sandbox, include it in this header as well. 17 typedef unsigned long greg_t; 18 19 typedef struct { 20 uint32_t regmask; 21 uint32_t status; 22 uint64_t pc; 23 uint64_t gregs[32]; 24 uint64_t fpregs[32]; 25 uint32_t acx; 26 uint32_t fpc_csr; 27 uint32_t fpc_eir; 28 uint32_t used_math; 29 uint32_t dsp; 30 uint64_t mdhi; 31 uint64_t mdlo; 32 uint32_t hi1; 33 uint32_t lo1; 34 uint32_t hi2; 35 uint32_t lo2; 36 uint32_t hi3; 37 uint32_t lo3; 38 } mcontext_t; 39 40 typedef struct ucontext { 41 uint32_t uc_flags; 42 struct ucontext* uc_link; 43 stack_t uc_stack; 44 mcontext_t uc_mcontext; 45 sigset_t uc_sigmask; 46 // Other fields are not used by Google Breakpad. Don't define them. 47 } ucontext_t; 48 49 #else 50 #include <sys/ucontext.h> 51 #endif // __BIONIC_HAVE_UCONTEXT_T 52 53 #endif // SANDBOX_LINUX_SYSTEM_HEADERS_MIPS_LINUX_UCONTEXT_H_ 54