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- // Copyright (c) 2012 The Chromium 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 SANDBOX_LINUX_SYSTEM_HEADERS_ARM_LINUX_UCONTEXT_H_
- #define SANDBOX_LINUX_SYSTEM_HEADERS_ARM_LINUX_UCONTEXT_H_
- #include <stddef.h>
- // In PNaCl toolchain, sigcontext and stack_t is not defined. So here declare
- // them.
- struct sigcontext {
- unsigned long trap_no;
- unsigned long error_code;
- unsigned long oldmask;
- unsigned long arm_r0;
- unsigned long arm_r1;
- unsigned long arm_r2;
- unsigned long arm_r3;
- unsigned long arm_r4;
- unsigned long arm_r5;
- unsigned long arm_r6;
- unsigned long arm_r7;
- unsigned long arm_r8;
- unsigned long arm_r9;
- unsigned long arm_r10;
- unsigned long arm_fp;
- unsigned long arm_ip;
- unsigned long arm_sp;
- unsigned long arm_lr;
- unsigned long arm_pc;
- unsigned long arm_cpsr;
- unsigned long fault_address;
- };
- typedef struct sigaltstack {
- void* ss_sp;
- int ss_flags;
- size_t ss_size;
- } stack_t;
- // We also need greg_t for the sandbox, include it in this header as well.
- typedef unsigned long greg_t;
- // typedef unsigned long sigset_t;
- typedef struct ucontext {
- unsigned long uc_flags;
- struct ucontext* uc_link;
- stack_t uc_stack;
- struct sigcontext uc_mcontext;
- sigset_t uc_sigmask;
- /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
- int __not_used[32 - (sizeof(sigset_t) / sizeof(int))];
- /* Last for extensibility. Eight byte aligned because some
- coprocessors require eight byte alignment. */
- unsigned long uc_regspace[128] __attribute__((__aligned__(8)));
- } ucontext_t;
- #endif // SANDBOX_LINUX_SYSTEM_HEADERS_ARM_LINUX_UCONTEXT_H_
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