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