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- /*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 1994-1996 Søren Schmidt
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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 AUTHOR 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 AUTHOR 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.
- * $FreeBSD$
- */
- #ifndef _I386_LINUX_H_
- #define _I386_LINUX_H_
- #include <sys/abi_compat.h>
- #include <sys/signal.h> /* for sigval union */
- #include <compat/linux/linux.h>
- #include <i386/linux/linux_syscall.h>
- #define LINUX_LEGACY_SYSCALLS
- #define LINUX_DTRACE linuxulator
- #define LINUX_SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE)
- #define LINUX_USRSTACK LINUX_SHAREDPAGE
- /*
- * Provide a separate set of types for the Linux types.
- */
- typedef int l_int;
- typedef int32_t l_long;
- typedef int64_t l_longlong;
- typedef short l_short;
- typedef unsigned int l_uint;
- typedef uint32_t l_ulong;
- typedef uint64_t l_ulonglong;
- typedef unsigned short l_ushort;
- typedef char *l_caddr_t;
- typedef l_ulong l_uintptr_t;
- typedef l_long l_clock_t;
- typedef l_int l_daddr_t;
- typedef l_ushort l_dev_t;
- typedef l_uint l_gid_t;
- typedef l_ushort l_gid16_t;
- typedef l_ulong l_ino_t;
- typedef l_int l_key_t;
- typedef l_longlong l_loff_t;
- typedef l_ushort l_mode_t;
- typedef l_long l_off_t;
- typedef l_int l_pid_t;
- typedef l_uint l_size_t;
- typedef l_long l_suseconds_t;
- typedef l_long l_time_t;
- typedef l_uint l_uid_t;
- typedef l_ushort l_uid16_t;
- typedef l_int l_timer_t;
- typedef l_int l_mqd_t;
- typedef l_ulong l_fd_mask;
- typedef struct {
- l_int val[2];
- } l_fsid_t;
- typedef struct {
- l_time_t tv_sec;
- l_suseconds_t tv_usec;
- } l_timeval;
- #define l_fd_set fd_set
- /*
- * Miscellaneous
- */
- #define LINUX_AT_COUNT 20 /* Count of used aux entry types.
- * Keep this synchronized with
- * linux_fixup_elf() code.
- */
- struct l___sysctl_args
- {
- l_int *name;
- l_int nlen;
- void *oldval;
- l_size_t *oldlenp;
- void *newval;
- l_size_t newlen;
- l_ulong __spare[4];
- };
- /* Resource limits */
- #define LINUX_RLIMIT_CPU 0
- #define LINUX_RLIMIT_FSIZE 1
- #define LINUX_RLIMIT_DATA 2
- #define LINUX_RLIMIT_STACK 3
- #define LINUX_RLIMIT_CORE 4
- #define LINUX_RLIMIT_RSS 5
- #define LINUX_RLIMIT_NPROC 6
- #define LINUX_RLIMIT_NOFILE 7
- #define LINUX_RLIMIT_MEMLOCK 8
- #define LINUX_RLIMIT_AS 9 /* Address space limit */
- #define LINUX_RLIM_NLIMITS 10
- struct l_rlimit {
- l_ulong rlim_cur;
- l_ulong rlim_max;
- };
- struct l_mmap_argv {
- l_uintptr_t addr;
- l_size_t len;
- l_int prot;
- l_int flags;
- l_int fd;
- l_off_t pgoff;
- } __packed;
- /*
- * stat family of syscalls
- */
- struct l_timespec {
- l_time_t tv_sec;
- l_long tv_nsec;
- };
- struct l_newstat {
- l_ushort st_dev;
- l_ushort __pad1;
- l_ulong st_ino;
- l_ushort st_mode;
- l_ushort st_nlink;
- l_ushort st_uid;
- l_ushort st_gid;
- l_ushort st_rdev;
- l_ushort __pad2;
- l_ulong st_size;
- l_ulong st_blksize;
- l_ulong st_blocks;
- struct l_timespec st_atim;
- struct l_timespec st_mtim;
- struct l_timespec st_ctim;
- l_ulong __unused4;
- l_ulong __unused5;
- };
- struct l_stat {
- l_ushort st_dev;
- l_ulong st_ino;
- l_ushort st_mode;
- l_ushort st_nlink;
- l_ushort st_uid;
- l_ushort st_gid;
- l_ushort st_rdev;
- l_long st_size;
- struct l_timespec st_atim;
- struct l_timespec st_mtim;
- struct l_timespec st_ctim;
- l_long st_blksize;
- l_long st_blocks;
- l_ulong st_flags;
- l_ulong st_gen;
- };
- struct l_stat64 {
- l_ushort st_dev;
- u_char __pad0[10];
- l_ulong __st_ino;
- l_uint st_mode;
- l_uint st_nlink;
- l_ulong st_uid;
- l_ulong st_gid;
- l_ushort st_rdev;
- u_char __pad3[10];
- l_longlong st_size;
- l_ulong st_blksize;
- l_ulong st_blocks;
- l_ulong __pad4;
- struct l_timespec st_atim;
- struct l_timespec st_mtim;
- struct l_timespec st_ctim;
- l_ulonglong st_ino;
- };
- struct l_statfs64 {
- l_int f_type;
- l_int f_bsize;
- uint64_t f_blocks;
- uint64_t f_bfree;
- uint64_t f_bavail;
- uint64_t f_files;
- uint64_t f_ffree;
- l_fsid_t f_fsid;
- l_int f_namelen;
- l_int f_frsize;
- l_int f_flags;
- l_int f_spare[4];
- };
- #define LINUX_NSIG_WORDS 2
- /* sigaction flags */
- #define LINUX_SA_NOCLDSTOP 0x00000001
- #define LINUX_SA_NOCLDWAIT 0x00000002
- #define LINUX_SA_SIGINFO 0x00000004
- #define LINUX_SA_RESTORER 0x04000000
- #define LINUX_SA_ONSTACK 0x08000000
- #define LINUX_SA_RESTART 0x10000000
- #define LINUX_SA_INTERRUPT 0x20000000
- #define LINUX_SA_NOMASK 0x40000000
- #define LINUX_SA_ONESHOT 0x80000000
- /* sigprocmask actions */
- #define LINUX_SIG_BLOCK 0
- #define LINUX_SIG_UNBLOCK 1
- #define LINUX_SIG_SETMASK 2
- /* sigaltstack */
- #define LINUX_MINSIGSTKSZ 2048
- typedef void (*l_handler_t)(l_int);
- typedef l_ulong l_osigset_t;
- typedef struct {
- l_handler_t lsa_handler;
- l_osigset_t lsa_mask;
- l_ulong lsa_flags;
- void (*lsa_restorer)(void);
- } l_osigaction_t;
- typedef struct {
- l_handler_t lsa_handler;
- l_ulong lsa_flags;
- void (*lsa_restorer)(void);
- l_sigset_t lsa_mask;
- } l_sigaction_t;
- typedef struct {
- void *ss_sp;
- l_int ss_flags;
- l_size_t ss_size;
- } l_stack_t;
- /* The Linux sigcontext, pretty much a standard 386 trapframe. */
- struct l_sigcontext {
- l_int sc_gs;
- l_int sc_fs;
- l_int sc_es;
- l_int sc_ds;
- l_int sc_edi;
- l_int sc_esi;
- l_int sc_ebp;
- l_int sc_esp;
- l_int sc_ebx;
- l_int sc_edx;
- l_int sc_ecx;
- l_int sc_eax;
- l_int sc_trapno;
- l_int sc_err;
- l_int sc_eip;
- l_int sc_cs;
- l_int sc_eflags;
- l_int sc_esp_at_signal;
- l_int sc_ss;
- l_int sc_387;
- l_int sc_mask;
- l_int sc_cr2;
- };
- struct l_ucontext {
- l_ulong uc_flags;
- void *uc_link;
- l_stack_t uc_stack;
- struct l_sigcontext uc_mcontext;
- l_sigset_t uc_sigmask;
- };
- #define LINUX_SI_MAX_SIZE 128
- #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
- typedef union l_sigval {
- l_int sival_int;
- l_uintptr_t sival_ptr;
- } l_sigval_t;
- typedef struct l_siginfo {
- l_int lsi_signo;
- l_int lsi_errno;
- l_int lsi_code;
- union {
- l_int _pad[LINUX_SI_PAD_SIZE];
- struct {
- l_pid_t _pid;
- l_uid_t _uid;
- } _kill;
- struct {
- l_timer_t _tid;
- l_int _overrun;
- char _pad[sizeof(l_uid_t) - sizeof(l_int)];
- l_sigval_t _sigval;
- l_int _sys_private;
- } _timer;
- struct {
- l_pid_t _pid; /* sender's pid */
- l_uid_t _uid; /* sender's uid */
- l_sigval_t _sigval;
- } _rt;
- struct {
- l_pid_t _pid; /* which child */
- l_uid_t _uid; /* sender's uid */
- l_int _status; /* exit code */
- l_clock_t _utime;
- l_clock_t _stime;
- } _sigchld;
- struct {
- l_uintptr_t _addr; /* Faulting insn/memory ref. */
- } _sigfault;
- struct {
- l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
- l_int _fd;
- } _sigpoll;
- } _sifields;
- } l_siginfo_t;
- #define lsi_pid _sifields._kill._pid
- #define lsi_uid _sifields._kill._uid
- #define lsi_tid _sifields._timer._tid
- #define lsi_overrun _sifields._timer._overrun
- #define lsi_sys_private _sifields._timer._sys_private
- #define lsi_status _sifields._sigchld._status
- #define lsi_utime _sifields._sigchld._utime
- #define lsi_stime _sifields._sigchld._stime
- #define lsi_value _sifields._rt._sigval
- #define lsi_int _sifields._rt._sigval.sival_int
- #define lsi_ptr _sifields._rt._sigval.sival_ptr
- #define lsi_addr _sifields._sigfault._addr
- #define lsi_band _sifields._sigpoll._band
- #define lsi_fd _sifields._sigpoll._fd
- struct l_fpreg {
- u_int16_t significand[4];
- u_int16_t exponent;
- };
- struct l_fpxreg {
- u_int16_t significand[4];
- u_int16_t exponent;
- u_int16_t padding[3];
- };
- struct l_xmmreg {
- u_int32_t element[4];
- };
- struct l_fpstate {
- /* Regular FPU environment */
- u_int32_t cw;
- u_int32_t sw;
- u_int32_t tag;
- u_int32_t ipoff;
- u_int32_t cssel;
- u_int32_t dataoff;
- u_int32_t datasel;
- struct l_fpreg _st[8];
- u_int16_t status;
- u_int16_t magic; /* 0xffff = regular FPU data */
- /* FXSR FPU environment */
- u_int32_t _fxsr_env[6]; /* env is ignored. */
- u_int32_t mxcsr;
- u_int32_t reserved;
- struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */
- struct l_xmmreg _xmm[8];
- u_int32_t padding[56];
- };
- /*
- * We make the stack look like Linux expects it when calling a signal
- * handler, but use the BSD way of calling the handler and sigreturn().
- * This means that we need to pass the pointer to the handler too.
- * It is appended to the frame to not interfere with the rest of it.
- */
- struct l_sigframe {
- l_int sf_sig;
- struct l_sigcontext sf_sc;
- struct l_fpstate sf_fpstate;
- l_uint sf_extramask[LINUX_NSIG_WORDS-1];
- l_handler_t sf_handler;
- };
- struct l_rt_sigframe {
- l_int sf_sig;
- l_siginfo_t *sf_siginfo;
- struct l_ucontext *sf_ucontext;
- l_siginfo_t sf_si;
- struct l_ucontext sf_sc;
- l_handler_t sf_handler;
- };
- extern struct sysentvec linux_sysvec;
- /*
- * arch specific open/fcntl flags
- */
- #define LINUX_F_GETLK64 12
- #define LINUX_F_SETLK64 13
- #define LINUX_F_SETLKW64 14
- union l_semun {
- l_int val;
- l_uintptr_t buf;
- l_ushort *array;
- l_uintptr_t __buf;
- l_uintptr_t __pad;
- };
- struct l_ifmap {
- l_ulong mem_start;
- l_ulong mem_end;
- l_ushort base_addr;
- u_char irq;
- u_char dma;
- u_char port;
- };
- struct l_ifreq {
- union {
- char ifrn_name[LINUX_IFNAMSIZ];
- } ifr_ifrn;
- union {
- struct l_sockaddr ifru_addr;
- struct l_sockaddr ifru_dstaddr;
- struct l_sockaddr ifru_broadaddr;
- struct l_sockaddr ifru_netmask;
- struct l_sockaddr ifru_hwaddr;
- l_short ifru_flags[1];
- l_int ifru_ivalue;
- l_int ifru_mtu;
- struct l_ifmap ifru_map;
- char ifru_slave[LINUX_IFNAMSIZ];
- l_caddr_t ifru_data;
- } ifr_ifru;
- };
- #define ifr_name ifr_ifrn.ifrn_name /* Interface name */
- #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
- #define ifr_ifindex ifr_ifru.ifru_ivalue /* Interface index */
- /*
- * poll()
- */
- #define LINUX_POLLIN 0x0001
- #define LINUX_POLLPRI 0x0002
- #define LINUX_POLLOUT 0x0004
- #define LINUX_POLLERR 0x0008
- #define LINUX_POLLHUP 0x0010
- #define LINUX_POLLNVAL 0x0020
- #define LINUX_POLLRDNORM 0x0040
- #define LINUX_POLLRDBAND 0x0080
- #define LINUX_POLLWRNORM 0x0100
- #define LINUX_POLLWRBAND 0x0200
- #define LINUX_POLLMSG 0x0400
- struct l_pollfd {
- l_int fd;
- l_short events;
- l_short revents;
- };
- struct l_user_desc {
- l_uint entry_number;
- l_uint base_addr;
- l_uint limit;
- l_uint seg_32bit:1;
- l_uint contents:2;
- l_uint read_exec_only:1;
- l_uint limit_in_pages:1;
- l_uint seg_not_present:1;
- l_uint useable:1;
- };
- struct l_desc_struct {
- unsigned long a, b;
- };
- #define LINUX_LOWERWORD 0x0000ffff
- /*
- * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
- * These convert Linux user space descriptor to machine one.
- */
- #define LINUX_LDT_entry_a(info) \
- ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \
- ((info)->limit & LINUX_LOWERWORD))
- #define LINUX_ENTRY_B_READ_EXEC_ONLY 9
- #define LINUX_ENTRY_B_CONTENTS 10
- #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15
- #define LINUX_ENTRY_B_BASE_ADDR 16
- #define LINUX_ENTRY_B_USEABLE 20
- #define LINUX_ENTRY_B_SEG32BIT 22
- #define LINUX_ENTRY_B_LIMIT 23
- #define LINUX_LDT_entry_b(info) \
- (((info)->base_addr & 0xff000000) | \
- ((info)->limit & 0xf0000) | \
- ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \
- (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \
- (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \
- (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \
- ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \
- ((info)->useable << LINUX_ENTRY_B_USEABLE) | \
- ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
- #define LINUX_LDT_empty(info) \
- ((info)->base_addr == 0 && \
- (info)->limit == 0 && \
- (info)->contents == 0 && \
- (info)->seg_not_present == 1 && \
- (info)->read_exec_only == 1 && \
- (info)->seg_32bit == 0 && \
- (info)->limit_in_pages == 0 && \
- (info)->useable == 0)
- /*
- * Macros for converting segments.
- * They do the same as those in arch/i386/kernel/process.c in Linux.
- */
- #define LINUX_GET_BASE(desc) \
- ((((desc)->a >> 16) & LINUX_LOWERWORD) | \
- (((desc)->b << 16) & 0x00ff0000) | \
- ((desc)->b & 0xff000000))
- #define LINUX_GET_LIMIT(desc) \
- (((desc)->a & LINUX_LOWERWORD) | \
- ((desc)->b & 0xf0000))
- #define LINUX_GET_32BIT(desc) \
- (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
- #define LINUX_GET_CONTENTS(desc) \
- (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
- #define LINUX_GET_WRITABLE(desc) \
- (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
- #define LINUX_GET_LIMIT_PAGES(desc) \
- (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
- #define LINUX_GET_PRESENT(desc) \
- (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
- #define LINUX_GET_USEABLE(desc) \
- (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
- #define linux_copyout_rusage(r, u) copyout(r, u, sizeof(*r))
- /* robust futexes */
- struct linux_robust_list {
- struct linux_robust_list *next;
- };
- struct linux_robust_list_head {
- struct linux_robust_list list;
- l_long futex_offset;
- struct linux_robust_list *pending_list;
- };
- #endif /* !_I386_LINUX_H_ */
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