/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2004 Tim J. Robbins
* Copyright (c) 2001 Doug Rabson
* 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
* in this position and unchanged.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 _AMD64_LINUX_H_
#define _AMD64_LINUX_H_
#include <sys/abi_compat.h>
#include <compat/linux/linux.h>
#include <amd64/linux32/linux32_syscall.h>
#define LINUX_LEGACY_SYSCALLS
#define LINUX_DTRACE linuxulator32
#define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */
#define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */
#define LINUX32_MAXVMEM 0 /* Unlimited */
/*
* 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 l_ulong l_uintptr_t;
typedef l_long l_clock_t;
typedef l_int l_daddr_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_longlong l_time64_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;
#include <compat/linux/linux_siginfo.h>
typedef struct {
l_int val[2];
} l_fsid_t;
typedef struct {
l_time_t tv_sec;
l_suseconds_t tv_usec;
} l_timeval;
typedef struct {
l_time64_t tv_sec;
l_time64_t tv_usec;
} l_sock_timeval;
#define l_fd_set fd_set
/*
* Miscellaneous
*/
#define LINUX_AT_COUNT 22 /* Count of used aux entry types.
* Keep this synchronized with
* linux_copyout_auxargs() code.
*/
struct l___sysctl_args
{
l_uintptr_t name;
l_int nlen;
l_uintptr_t oldval;
l_uintptr_t oldlenp;
l_uintptr_t 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_rusage {
l_timeval ru_utime;
l_timeval ru_stime;
l_long ru_maxrss;
l_long ru_ixrss;
l_long ru_idrss;
l_long ru_isrss;
l_long ru_minflt;
l_long ru_majflt;
l_long ru_nswap;
l_long ru_inblock;
l_long ru_oublock;
l_long ru_msgsnd;
l_long ru_msgrcv;
l_long ru_nsignals;
l_long ru_nvcsw;
l_long ru_nivcsw;
};
struct l_mmap_argv {
l_uintptr_t addr;
l_size_t len;
l_int prot;
l_int flags;
l_int fd;
l_ulong pgoff;
};
/*
* stat family of syscalls
*/
struct l_timespec {
l_time_t tv_sec;
l_long tv_nsec;
};
/* __kernel_timespec */
struct l_timespec64 {
l_time64_t tv_sec;
l_longlong tv_nsec;
};
struct l_newstat {
l_ulong st_dev;
l_ulong st_ino;
l_ushort st_mode;
l_ushort st_nlink;
l_ushort st_uid;
l_ushort st_gid;
l_ulong st_rdev;
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;
};
/* __old_kernel_stat now */
struct l_old_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_ulonglong st_dev;
u_char __pad0[4];
l_ulong __st_ino;
l_uint st_mode;
l_uint st_nlink;
l_ulong st_uid;
l_ulong st_gid;
l_ulonglong st_rdev;
u_char __pad3[4];
l_longlong st_size;
l_ulong st_blksize;
l_ulonglong st_blocks;
struct l_timespec st_atim;
struct l_timespec st_mtim;
struct l_timespec st_ctim;
l_ulonglong st_ino;
} __packed;
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];
} __packed;
/* 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
/* sigaltstack */
#define LINUX_MINSIGSTKSZ 2048
typedef l_uintptr_t l_handler_t;
typedef l_ulong l_osigset_t;
typedef struct {
l_handler_t lsa_handler;
l_osigset_t lsa_mask;
l_ulong lsa_flags;
l_uintptr_t lsa_restorer;
} l_osigaction_t;
typedef struct {
l_handler_t lsa_handler;
l_ulong lsa_flags;
l_uintptr_t lsa_restorer;
l_sigset_t lsa_mask;
} __packed l_sigaction_t;
typedef struct {
l_uintptr_t ss_sp;
l_int ss_flags;
l_size_t ss_size;
} l_stack_t;
/*
* 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_uintptr_t array;
l_uintptr_t __buf;
l_uintptr_t __pad;
};
struct l_ifconf {
int ifc_len;
union {
l_uintptr_t ifcu_buf;
l_uintptr_t ifcu_req;
} ifc_ifcu;
};
#define ifc_buf ifc_ifcu.ifcu_buf
#define ifc_req ifc_ifcu.ifcu_req
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;
};
#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)
#ifdef _KERNEL
int linux_copyout_rusage(struct rusage *ru, void *uaddr);
#endif /* _KERNEL */
/* This corresponds to 'struct user_regs_struct32' in Linux. */
struct linux_pt_regset32 {
l_uint ebx;
l_uint ecx;
l_uint edx;
l_uint esi;
l_uint edi;
l_uint ebp;
l_uint eax;
l_uint ds;
l_uint es;
l_uint fs;
l_uint gs;
l_uint orig_eax;
l_uint eip;
l_uint cs;
l_uint eflags;
l_uint esp;
l_uint ss;
};
#ifdef _KERNEL
struct reg32;
void bsd_to_linux_regset32(const struct reg32 *b_reg,
struct linux_pt_regset32 *l_regset);
int linux_ptrace_peekuser(struct thread *td, pid_t pid,
void *addr, void *data);
int linux_ptrace_pokeuser(struct thread *td, pid_t pid,
void *addr, void *data);
extern bool linux32_emulate_i386;
#endif /* _KERNEL */
#endif /* !_AMD64_LINUX_H_ */
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