Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/amd64/linux/linux.h
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 30 */ 31 32 #ifndef _AMD64_LINUX_H_ 33 #define _AMD64_LINUX_H_ 34 35 #include <sys/abi_compat.h> 36 37 #include <compat/linux/linux.h> 38 #include <amd64/linux/linux_syscall.h> 39 40 #define LINUX_LEGACY_SYSCALLS 41 42 #define LINUX_DTRACE linuxulator 43 44 /* 45 * Provide a separate set of types for the Linux types. 46 */ 47 typedef int32_t l_int; 48 typedef int64_t l_long; 49 typedef int16_t l_short; 50 typedef uint32_t l_uint; 51 typedef uint64_t l_ulong; 52 typedef uint16_t l_ushort; 53 54 typedef l_ulong l_uintptr_t; 55 typedef l_long l_clock_t; 56 typedef l_int l_daddr_t; 57 typedef l_ulong l_dev_t; 58 typedef l_uint l_gid_t; 59 typedef l_ushort l_gid16_t; 60 typedef l_uint l_uid_t; 61 typedef l_ushort l_uid16_t; 62 typedef l_ulong l_ino_t; 63 typedef l_int l_key_t; 64 typedef l_long l_loff_t; 65 typedef l_uint l_mode_t; 66 typedef l_long l_off_t; 67 typedef l_int l_pid_t; 68 typedef l_ulong l_size_t; 69 typedef l_long l_ssize_t; 70 typedef l_long l_suseconds_t; 71 typedef l_long l_time_t; 72 typedef l_int l_timer_t; 73 typedef l_int l_mqd_t; 74 typedef l_size_t l_socklen_t; 75 typedef l_ulong l_fd_mask; 76 77 #include <compat/linux/linux_siginfo.h> 78 79 typedef struct { 80 l_int val[2]; 81 } l_fsid_t; 82 83 typedef struct { 84 l_time_t tv_sec; 85 l_suseconds_t tv_usec; 86 } l_timeval; 87 88 #define l_fd_set fd_set 89 90 /* 91 * Miscellaneous 92 */ 93 #define LINUX_AT_COUNT 20 /* Count of used aux entry types. */ 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_dev_t 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_pad1; 141 l_dev_t 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 /* 192 * SystemV IPC defines 193 */ 194 #define LINUX_IPC_RMID 0 195 #define LINUX_IPC_SET 1 196 #define LINUX_IPC_STAT 2 197 #define LINUX_IPC_INFO 3 198 199 #define LINUX_SHM_LOCK 11 200 #define LINUX_SHM_UNLOCK 12 201 #define LINUX_SHM_STAT 13 202 #define LINUX_SHM_INFO 14 203 204 #define LINUX_SHM_RDONLY 0x1000 205 #define LINUX_SHM_RND 0x2000 206 #define LINUX_SHM_REMAP 0x4000 207 208 /* semctl commands */ 209 #define LINUX_GETPID 11 210 #define LINUX_GETVAL 12 211 #define LINUX_GETALL 13 212 #define LINUX_GETNCNT 14 213 #define LINUX_GETZCNT 15 214 #define LINUX_SETVAL 16 215 #define LINUX_SETALL 17 216 #define LINUX_SEM_STAT 18 217 #define LINUX_SEM_INFO 19 218 219 union l_semun { 220 l_int val; 221 l_uintptr_t buf; 222 l_uintptr_t array; 223 l_uintptr_t __buf; 224 l_uintptr_t __pad; 225 }; 226 227 struct l_ifmap { 228 l_ulong mem_start; 229 l_ulong mem_end; 230 l_ushort base_addr; 231 u_char irq; 232 u_char dma; 233 u_char port; 234 /* 3 bytes spare */ 235 }; 236 237 struct l_ifreq { 238 union { 239 char ifrn_name[LINUX_IFNAMSIZ]; 240 } ifr_ifrn; 241 242 union { 243 struct l_sockaddr ifru_addr; 244 struct l_sockaddr ifru_dstaddr; 245 struct l_sockaddr ifru_broadaddr; 246 struct l_sockaddr ifru_netmask; 247 struct l_sockaddr ifru_hwaddr; 248 l_short ifru_flags[1]; 249 l_int ifru_ivalue; 250 l_int ifru_mtu; 251 struct l_ifmap ifru_map; 252 char ifru_slave[LINUX_IFNAMSIZ]; 253 l_uintptr_t ifru_data; 254 } ifr_ifru; 255 }; 256 257 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 258 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 259 #define ifr_ifindex ifr_ifru.ifru_ivalue /* Interface index */ 260 261 struct l_ifconf { 262 int ifc_len; 263 union { 264 l_uintptr_t ifcu_buf; 265 l_uintptr_t ifcu_req; 266 } ifc_ifcu; 267 }; 268 269 #define ifc_buf ifc_ifcu.ifcu_buf 270 #define ifc_req ifc_ifcu.ifcu_req 271 272 #define LINUX_ARCH_SET_GS 0x1001 273 #define LINUX_ARCH_SET_FS 0x1002 274 #define LINUX_ARCH_GET_FS 0x1003 275 #define LINUX_ARCH_GET_GS 0x1004 276 #define LINUX_ARCH_CET_STATUS 0x3001 277 278 #define linux_copyout_rusage(r, u) copyout(r, u, sizeof(*r)) 279 280 /* robust futexes */ 281 struct linux_robust_list { 282 l_uintptr_t next; 283 }; 284 285 struct linux_robust_list_head { 286 struct linux_robust_list list; 287 l_long futex_offset; 288 l_uintptr_t pending_list; 289 }; 290 291 /* This corresponds to 'struct user_regs_struct' in Linux. */ 292 struct linux_pt_regset { 293 l_ulong r15; 294 l_ulong r14; 295 l_ulong r13; 296 l_ulong r12; 297 l_ulong rbp; 298 l_ulong rbx; 299 l_ulong r11; 300 l_ulong r10; 301 l_ulong r9; 302 l_ulong r8; 303 l_ulong rax; 304 l_ulong rcx; 305 l_ulong rdx; 306 l_ulong rsi; 307 l_ulong rdi; 308 l_ulong orig_rax; 309 l_ulong rip; 310 l_ulong cs; 311 l_ulong eflags; 312 l_ulong rsp; 313 l_ulong ss; 314 l_ulong fs_base; 315 l_ulong gs_base; 316 l_ulong ds; 317 l_ulong es; 318 l_ulong fs; 319 l_ulong gs; 320 }; 321 322 #ifdef _KERNEL 323 struct reg; 324 struct syscall_info; 325 326 void bsd_to_linux_regset(const struct reg *b_reg, 327 struct linux_pt_regset *l_regset); 328 void linux_to_bsd_regset(struct reg *b_reg, 329 const struct linux_pt_regset *l_regset); 330 void linux_ptrace_get_syscall_info_machdep(const struct reg *reg, 331 struct syscall_info *si); 332 int linux_ptrace_getregs_machdep(struct thread *td, pid_t pid, 333 struct linux_pt_regset *l_regset); 334 #endif /* _KERNEL */ 335 336 #endif /* !_AMD64_LINUX_H_ */
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