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// Copyright 2012 The Chromium Authors
// 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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