1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 1994-1996 Søren Schmidt 5 * All rights reserved. 6 * Copyright (c) 2013 Dmitry Chagin <dchagin@FreeBSD.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef _AMD64_LINUX_H_ 31 #define _AMD64_LINUX_H_ 32 33 #include <sys/abi_compat.h> 34 35 #include <compat/linux/linux.h> 36 #include <amd64/linux/linux_syscall.h> 37 38 #define LINUX_LEGACY_SYSCALLS 39 40 #define LINUX_DTRACE linuxulator 41 42 /* 43 * Provide a separate set of types for the Linux types. 44 */ 45 typedef int32_t l_int; 46 typedef int64_t l_long; 47 typedef int16_t l_short; 48 typedef uint32_t l_uint; 49 typedef uint64_t l_ulong; 50 typedef uint16_t l_ushort; 51 52 typedef l_ulong l_uintptr_t; 53 typedef l_long l_clock_t; 54 typedef l_int l_daddr_t; 55 typedef l_uint l_gid_t; 56 typedef l_ushort l_gid16_t; 57 typedef l_uint l_uid_t; 58 typedef l_ushort l_uid16_t; 59 typedef l_ulong l_ino_t; 60 typedef l_int l_key_t; 61 typedef l_long l_loff_t; 62 typedef l_uint l_mode_t; 63 typedef l_long l_off_t; 64 typedef l_int l_pid_t; 65 typedef l_ulong l_size_t; 66 typedef l_long l_ssize_t; 67 typedef l_long l_suseconds_t; 68 typedef l_long l_time_t; 69 typedef l_int l_timer_t; 70 typedef l_int l_mqd_t; 71 typedef l_size_t l_socklen_t; 72 typedef l_ulong l_fd_mask; 73 74 #include <compat/linux/linux_siginfo.h> 75 76 typedef struct { 77 l_int val[2]; 78 } l_fsid_t; 79 80 typedef struct { 81 l_time_t tv_sec; 82 l_suseconds_t tv_usec; 83 } l_timeval; 84 85 #define l_fd_set fd_set 86 87 /* 88 * Miscellaneous 89 */ 90 #define LINUX_AT_COUNT 21 /* Count of used aux entry types. 91 * Keep this synchronized with 92 * linux_copyout_auxargs() code. 93 */ 94 95 struct l___sysctl_args 96 { 97 l_uintptr_t name; 98 l_int nlen; 99 l_uintptr_t oldval; 100 l_uintptr_t oldlenp; 101 l_uintptr_t newval; 102 l_size_t newlen; 103 l_ulong __spare[4]; 104 }; 105 106 /* Resource limits */ 107 #define LINUX_RLIMIT_CPU 0 108 #define LINUX_RLIMIT_FSIZE 1 109 #define LINUX_RLIMIT_DATA 2 110 #define LINUX_RLIMIT_STACK 3 111 #define LINUX_RLIMIT_CORE 4 112 #define LINUX_RLIMIT_RSS 5 113 #define LINUX_RLIMIT_NPROC 6 114 #define LINUX_RLIMIT_NOFILE 7 115 #define LINUX_RLIMIT_MEMLOCK 8 116 #define LINUX_RLIMIT_AS 9 /* Address space limit */ 117 118 #define LINUX_RLIM_NLIMITS 10 119 120 struct l_rlimit { 121 l_ulong rlim_cur; 122 l_ulong rlim_max; 123 }; 124 125 /* 126 * stat family of syscalls 127 */ 128 struct l_timespec { 129 l_time_t tv_sec; 130 l_long tv_nsec; 131 }; 132 133 struct l_newstat { 134 l_ulong st_dev; 135 l_ino_t st_ino; 136 l_ulong st_nlink; 137 l_uint st_mode; 138 l_uid_t st_uid; 139 l_gid_t st_gid; 140 l_uint __st_pad0; 141 l_ulong st_rdev; 142 l_off_t st_size; 143 l_long st_blksize; 144 l_long st_blocks; 145 struct l_timespec st_atim; 146 struct l_timespec st_mtim; 147 struct l_timespec st_ctim; 148 l_long __unused1; 149 l_long __unused2; 150 l_long __unused3; 151 }; 152 153 /* sigaction flags */ 154 #define LINUX_SA_NOCLDSTOP 0x00000001 155 #define LINUX_SA_NOCLDWAIT 0x00000002 156 #define LINUX_SA_SIGINFO 0x00000004 157 #define LINUX_SA_RESTORER 0x04000000 158 #define LINUX_SA_ONSTACK 0x08000000 159 #define LINUX_SA_RESTART 0x10000000 160 #define LINUX_SA_INTERRUPT 0x20000000 161 #define LINUX_SA_NOMASK 0x40000000 162 #define LINUX_SA_ONESHOT 0x80000000 163 164 /* sigaltstack */ 165 #define LINUX_MINSIGSTKSZ 2048 166 167 typedef void (*l_handler_t)(l_int); 168 169 typedef struct { 170 l_handler_t lsa_handler; 171 l_ulong lsa_flags; 172 l_uintptr_t lsa_restorer; 173 l_sigset_t lsa_mask; 174 } l_sigaction_t; 175 176 typedef struct { 177 l_uintptr_t ss_sp; 178 l_int ss_flags; 179 l_size_t ss_size; 180 } l_stack_t; 181 182 /* 183 * mount flags 184 */ 185 #define LINUX_MS_RDONLY 0x0001 186 #define LINUX_MS_NOSUID 0x0002 187 #define LINUX_MS_NODEV 0x0004 188 #define LINUX_MS_NOEXEC 0x0008 189 #define LINUX_MS_REMOUNT 0x0020 190 191 union l_semun { 192 l_int val; 193 l_uintptr_t buf; 194 l_uintptr_t array; 195 l_uintptr_t __buf; 196 l_uintptr_t __pad; 197 }; 198 199 #define LINUX_ARCH_SET_GS 0x1001 200 #define LINUX_ARCH_SET_FS 0x1002 201 #define LINUX_ARCH_GET_FS 0x1003 202 #define LINUX_ARCH_GET_GS 0x1004 203 #define LINUX_ARCH_CET_STATUS 0x3001 204 205 #define linux_copyout_rusage(r, u) copyout(r, u, sizeof(*r)) 206 207 /* This corresponds to 'struct user_regs_struct' in Linux. */ 208 struct linux_pt_regset { 209 l_ulong r15; 210 l_ulong r14; 211 l_ulong r13; 212 l_ulong r12; 213 l_ulong rbp; 214 l_ulong rbx; 215 l_ulong r11; 216 l_ulong r10; 217 l_ulong r9; 218 l_ulong r8; 219 l_ulong rax; 220 l_ulong rcx; 221 l_ulong rdx; 222 l_ulong rsi; 223 l_ulong rdi; 224 l_ulong orig_rax; 225 l_ulong rip; 226 l_ulong cs; 227 l_ulong eflags; 228 l_ulong rsp; 229 l_ulong ss; 230 l_ulong fs_base; 231 l_ulong gs_base; 232 l_ulong ds; 233 l_ulong es; 234 l_ulong fs; 235 l_ulong gs; 236 }; 237 238 #ifdef _KERNEL 239 struct reg; 240 struct syscall_info; 241 242 void bsd_to_linux_regset(const struct reg *b_reg, 243 struct linux_pt_regset *l_regset); 244 void linux_to_bsd_regset(struct reg *b_reg, 245 const struct linux_pt_regset *l_regset); 246 void linux_ptrace_get_syscall_info_machdep(const struct reg *reg, 247 struct syscall_info *si); 248 int linux_ptrace_getregs_machdep(struct thread *td, pid_t pid, 249 struct linux_pt_regset *l_regset); 250 int linux_ptrace_peekuser(struct thread *td, pid_t pid, 251 void *addr, void *data); 252 int linux_ptrace_pokeuser(struct thread *td, pid_t pid, 253 void *addr, void *data); 254 #endif /* _KERNEL */ 255 256 #endif /* !_AMD64_LINUX_H_ */ 257