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/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _SYS_USER_H_
#define _SYS_USER_H_
#include <sys/cdefs.h>
#include <stddef.h> /* For size_t. */
#include <stdint.h>
__BEGIN_DECLS
#define PAGE_SIZE 4096
#define PAGE_MASK (~(PAGE_SIZE - 1))
#if defined(__i386__)
struct user_fpregs_struct {
long cwd;
long swd;
long twd;
long fip;
long fcs;
long foo;
long fos;
long st_space[20];
};
struct user_fpxregs_struct {
unsigned short cwd;
unsigned short swd;
unsigned short twd;
unsigned short fop;
long fip;
long fcs;
long foo;
long fos;
long mxcsr;
long reserved;
long st_space[32];
long xmm_space[32];
long padding[56];
};
struct user_regs_struct {
long ebx;
long ecx;
long edx;
long esi;
long edi;
long ebp;
long eax;
long xds;
long xes;
long xfs;
long xgs;
long orig_eax;
long eip;
long xcs;
long eflags;
long esp;
long xss;
};
struct user {
struct user_regs_struct regs;
int u_fpvalid;
struct user_fpregs_struct i387;
unsigned long int u_tsize;
unsigned long int u_dsize;
unsigned long int u_ssize;
unsigned long start_code;
unsigned long start_stack;
long int signal;
int reserved;
struct user_regs_struct* u_ar0;
struct user_fpregs_struct* u_fpstate;
unsigned long magic;
char u_comm[32];
int u_debugreg[8];
};
#elif defined(__x86_64__)
struct user_fpregs_struct {
unsigned short cwd;
unsigned short swd;
unsigned short ftw;
unsigned short fop;
unsigned long rip;
unsigned long rdp;
unsigned int mxcsr;
unsigned int mxcr_mask;
unsigned int st_space[32];
unsigned int xmm_space[64];
unsigned int padding[24];
};
struct user_regs_struct {
unsigned long r15;
unsigned long r14;
unsigned long r13;
unsigned long r12;
unsigned long rbp;
unsigned long rbx;
unsigned long r11;
unsigned long r10;
unsigned long r9;
unsigned long r8;
unsigned long rax;
unsigned long rcx;
unsigned long rdx;
unsigned long rsi;
unsigned long rdi;
unsigned long orig_rax;
unsigned long rip;
unsigned long cs;
unsigned long eflags;
unsigned long rsp;
unsigned long ss;
unsigned long fs_base;
unsigned long gs_base;
unsigned long ds;
unsigned long es;
unsigned long fs;
unsigned long gs;
};
struct user {
struct user_regs_struct regs;
int u_fpvalid;
int pad0;
struct user_fpregs_struct i387;
unsigned long int u_tsize;
unsigned long int u_dsize;
unsigned long int u_ssize;
unsigned long start_code;
unsigned long start_stack;
long int signal;
int reserved;
int pad1;
struct user_regs_struct* u_ar0;
struct user_fpregs_struct* u_fpstate;
unsigned long magic;
char u_comm[32];
unsigned long u_debugreg[8];
unsigned long error_code;
unsigned long fault_address;
};
#elif defined(__mips__)
struct user {
unsigned long regs[180 / sizeof(unsigned long) + 64];
size_t u_tsize;
size_t u_dsize;
size_t u_ssize;
unsigned long start_code;
unsigned long start_data;
unsigned long start_stack;
long int signal;
void* u_ar0;
unsigned long magic;
char u_comm[32];
};
#elif defined(__arm__)
struct user_fpregs {
struct fp_reg {
unsigned int sign1:1;
unsigned int unused:15;
unsigned int sign2:1;
unsigned int exponent:14;
unsigned int j:1;
unsigned int mantissa1:31;
unsigned int mantissa0:32;
} fpregs[8];
unsigned int fpsr:32;
unsigned int fpcr:32;
unsigned char ftype[8];
unsigned int init_flag;
};
struct user_regs {
unsigned long uregs[18];
};
struct user_vfp {
unsigned long long fpregs[32];
unsigned long fpscr;
};
struct user_vfp_exc {
unsigned long fpexc;
unsigned long fpinst;
unsigned long fpinst2;
};
struct user {
struct user_regs regs;
int u_fpvalid;
unsigned long int u_tsize;
unsigned long int u_dsize;
unsigned long int u_ssize;
unsigned long start_code;
unsigned long start_stack;
long int signal;
int reserved;
struct user_regs* u_ar0;
unsigned long magic;
char u_comm[32];
int u_debugreg[8];
struct user_fpregs u_fp;
struct user_fpregs* u_fp0;
};
#elif defined(__aarch64__)
struct user_regs_struct {
uint64_t regs[31];
uint64_t sp;
uint64_t pc;
uint64_t pstate;
};
struct user_fpsimd_struct {
__uint128_t vregs[32];
uint32_t fpsr;
uint32_t fpcr;
};
#else
#error "Unsupported architecture."
#endif
__END_DECLS
#endif /* _SYS_USER_H_ */
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