1c5c84d16SWarner Losh /* 2c5c84d16SWarner Losh * file related system call shims and definitions 3c5c84d16SWarner Losh * 4c5c84d16SWarner Losh * Copyright (c) 2013 Stacey D. Son 5c5c84d16SWarner Losh * 6c5c84d16SWarner Losh * This program is free software; you can redistribute it and/or modify 7c5c84d16SWarner Losh * it under the terms of the GNU General Public License as published by 8c5c84d16SWarner Losh * the Free Software Foundation; either version 2 of the License, or 9c5c84d16SWarner Losh * (at your option) any later version. 10c5c84d16SWarner Losh * 11c5c84d16SWarner Losh * This program is distributed in the hope that it will be useful, 12c5c84d16SWarner Losh * but WITHOUT ANY WARRANTY; without even the implied warranty of 13c5c84d16SWarner Losh * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14c5c84d16SWarner Losh * GNU General Public License for more details. 15c5c84d16SWarner Losh * 16c5c84d16SWarner Losh * You should have received a copy of the GNU General Public License 17c5c84d16SWarner Losh * along with this program; if not, see <http://www.gnu.org/licenses/>. 18c5c84d16SWarner Losh */ 19c5c84d16SWarner Losh 209c092804SMarkus Armbruster #ifndef BSD_FILE_H 219c092804SMarkus Armbruster #define BSD_FILE_H 22c5c84d16SWarner Losh 23c5c84d16SWarner Losh #include "qemu/path.h" 24c5c84d16SWarner Losh 2577d3522bSWarner Losh #define LOCK_PATH(p, arg) \ 2677d3522bSWarner Losh do { \ 2777d3522bSWarner Losh (p) = lock_user_string(arg); \ 2877d3522bSWarner Losh if ((p) == NULL) { \ 2977d3522bSWarner Losh return -TARGET_EFAULT; \ 3077d3522bSWarner Losh } \ 3177d3522bSWarner Losh } while (0) 3277d3522bSWarner Losh 3377d3522bSWarner Losh #define UNLOCK_PATH(p, arg) unlock_user(p, arg, 0) 3477d3522bSWarner Losh 35ab5fd2d9SWarner Losh #define LOCK_PATH2(p1, arg1, p2, arg2) \ 36ab5fd2d9SWarner Losh do { \ 37ab5fd2d9SWarner Losh (p1) = lock_user_string(arg1); \ 38ab5fd2d9SWarner Losh if ((p1) == NULL) { \ 39ab5fd2d9SWarner Losh return -TARGET_EFAULT; \ 40ab5fd2d9SWarner Losh } \ 41ab5fd2d9SWarner Losh (p2) = lock_user_string(arg2); \ 42ab5fd2d9SWarner Losh if ((p2) == NULL) { \ 43ab5fd2d9SWarner Losh unlock_user(p1, arg1, 0); \ 44ab5fd2d9SWarner Losh return -TARGET_EFAULT; \ 45ab5fd2d9SWarner Losh } \ 46ab5fd2d9SWarner Losh } while (0) 47ab5fd2d9SWarner Losh 48ab5fd2d9SWarner Losh #define UNLOCK_PATH2(p1, arg1, p2, arg2) \ 49ab5fd2d9SWarner Losh do { \ 50ab5fd2d9SWarner Losh unlock_user(p2, arg2, 0); \ 51ab5fd2d9SWarner Losh unlock_user(p1, arg1, 0); \ 52ab5fd2d9SWarner Losh } while (0) 5377d3522bSWarner Losh 54c5c84d16SWarner Losh extern struct iovec *lock_iovec(int type, abi_ulong target_addr, int count, 55c5c84d16SWarner Losh int copy); 56c5c84d16SWarner Losh extern void unlock_iovec(struct iovec *vec, abi_ulong target_addr, int count, 57c5c84d16SWarner Losh int copy); 58c5c84d16SWarner Losh 5977d3522bSWarner Losh int safe_open(const char *path, int flags, mode_t mode); 6077d3522bSWarner Losh int safe_openat(int fd, const char *path, int flags, mode_t mode); 6177d3522bSWarner Losh 6280da1b00SWarner Losh ssize_t safe_read(int fd, void *buf, size_t nbytes); 6380da1b00SWarner Losh ssize_t safe_pread(int fd, void *buf, size_t nbytes, off_t offset); 6480da1b00SWarner Losh ssize_t safe_readv(int fd, const struct iovec *iov, int iovcnt); 6580da1b00SWarner Losh ssize_t safe_preadv(int fd, const struct iovec *iov, int iovcnt, off_t offset); 6680da1b00SWarner Losh 67770d8abaSWarner Losh ssize_t safe_write(int fd, void *buf, size_t nbytes); 68770d8abaSWarner Losh ssize_t safe_pwrite(int fd, void *buf, size_t nbytes, off_t offset); 69770d8abaSWarner Losh ssize_t safe_writev(int fd, const struct iovec *iov, int iovcnt); 70770d8abaSWarner Losh ssize_t safe_pwritev(int fd, const struct iovec *iov, int iovcnt, off_t offset); 71770d8abaSWarner Losh 7280da1b00SWarner Losh /* read(2) */ 7380da1b00SWarner Losh static abi_long do_bsd_read(abi_long arg1, abi_long arg2, abi_long arg3) 7480da1b00SWarner Losh { 7580da1b00SWarner Losh abi_long ret; 7680da1b00SWarner Losh void *p; 7780da1b00SWarner Losh 7880da1b00SWarner Losh p = lock_user(VERIFY_WRITE, arg2, arg3, 0); 7980da1b00SWarner Losh if (p == NULL) { 8080da1b00SWarner Losh return -TARGET_EFAULT; 8180da1b00SWarner Losh } 8280da1b00SWarner Losh ret = get_errno(safe_read(arg1, p, arg3)); 8380da1b00SWarner Losh unlock_user(p, arg2, ret); 8480da1b00SWarner Losh 8580da1b00SWarner Losh return ret; 8680da1b00SWarner Losh } 8780da1b00SWarner Losh 8880da1b00SWarner Losh /* pread(2) */ 8980da1b00SWarner Losh static abi_long do_bsd_pread(void *cpu_env, abi_long arg1, 9080da1b00SWarner Losh abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6) 9180da1b00SWarner Losh { 9280da1b00SWarner Losh abi_long ret; 9380da1b00SWarner Losh void *p; 9480da1b00SWarner Losh 9580da1b00SWarner Losh p = lock_user(VERIFY_WRITE, arg2, arg3, 0); 9680da1b00SWarner Losh if (p == NULL) { 9780da1b00SWarner Losh return -TARGET_EFAULT; 9880da1b00SWarner Losh } 9980da1b00SWarner Losh if (regpairs_aligned(cpu_env) != 0) { 10080da1b00SWarner Losh arg4 = arg5; 10180da1b00SWarner Losh arg5 = arg6; 10280da1b00SWarner Losh } 10380da1b00SWarner Losh ret = get_errno(safe_pread(arg1, p, arg3, target_arg64(arg4, arg5))); 10480da1b00SWarner Losh unlock_user(p, arg2, ret); 10580da1b00SWarner Losh 10680da1b00SWarner Losh return ret; 10780da1b00SWarner Losh } 10880da1b00SWarner Losh 10980da1b00SWarner Losh /* readv(2) */ 11080da1b00SWarner Losh static abi_long do_bsd_readv(abi_long arg1, abi_long arg2, abi_long arg3) 11180da1b00SWarner Losh { 11280da1b00SWarner Losh abi_long ret; 11380da1b00SWarner Losh struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); 11480da1b00SWarner Losh 11580da1b00SWarner Losh if (vec != NULL) { 11680da1b00SWarner Losh ret = get_errno(safe_readv(arg1, vec, arg3)); 11780da1b00SWarner Losh unlock_iovec(vec, arg2, arg3, 1); 11880da1b00SWarner Losh } else { 11980da1b00SWarner Losh ret = -host_to_target_errno(errno); 12080da1b00SWarner Losh } 12180da1b00SWarner Losh 12280da1b00SWarner Losh return ret; 12380da1b00SWarner Losh } 12480da1b00SWarner Losh 12580da1b00SWarner Losh /* preadv(2) */ 12680da1b00SWarner Losh static abi_long do_bsd_preadv(void *cpu_env, abi_long arg1, 12780da1b00SWarner Losh abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6) 12880da1b00SWarner Losh { 12980da1b00SWarner Losh abi_long ret; 13080da1b00SWarner Losh struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 1); 13180da1b00SWarner Losh 13280da1b00SWarner Losh if (vec != NULL) { 13380da1b00SWarner Losh if (regpairs_aligned(cpu_env) != 0) { 13480da1b00SWarner Losh arg4 = arg5; 13580da1b00SWarner Losh arg5 = arg6; 13680da1b00SWarner Losh } 13780da1b00SWarner Losh ret = get_errno(safe_preadv(arg1, vec, arg3, target_arg64(arg4, arg5))); 13880da1b00SWarner Losh unlock_iovec(vec, arg2, arg3, 0); 13980da1b00SWarner Losh } else { 14080da1b00SWarner Losh ret = -host_to_target_errno(errno); 14180da1b00SWarner Losh } 14280da1b00SWarner Losh 14380da1b00SWarner Losh return ret; 14480da1b00SWarner Losh } 14580da1b00SWarner Losh 146770d8abaSWarner Losh /* write(2) */ 147770d8abaSWarner Losh static abi_long do_bsd_write(abi_long arg1, abi_long arg2, abi_long arg3) 148770d8abaSWarner Losh { 149770d8abaSWarner Losh abi_long nbytes, ret; 150770d8abaSWarner Losh void *p; 151770d8abaSWarner Losh 152770d8abaSWarner Losh /* nbytes < 0 implies that it was larger than SIZE_MAX. */ 153770d8abaSWarner Losh nbytes = arg3; 154770d8abaSWarner Losh if (nbytes < 0) { 155770d8abaSWarner Losh return -TARGET_EINVAL; 156770d8abaSWarner Losh } 157770d8abaSWarner Losh p = lock_user(VERIFY_READ, arg2, nbytes, 1); 158770d8abaSWarner Losh if (p == NULL) { 159770d8abaSWarner Losh return -TARGET_EFAULT; 160770d8abaSWarner Losh } 161770d8abaSWarner Losh ret = get_errno(safe_write(arg1, p, arg3)); 162770d8abaSWarner Losh unlock_user(p, arg2, 0); 163770d8abaSWarner Losh 164770d8abaSWarner Losh return ret; 165770d8abaSWarner Losh } 166770d8abaSWarner Losh 167770d8abaSWarner Losh /* pwrite(2) */ 168770d8abaSWarner Losh static abi_long do_bsd_pwrite(void *cpu_env, abi_long arg1, 169770d8abaSWarner Losh abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6) 170770d8abaSWarner Losh { 171770d8abaSWarner Losh abi_long ret; 172770d8abaSWarner Losh void *p; 173770d8abaSWarner Losh 174770d8abaSWarner Losh p = lock_user(VERIFY_READ, arg2, arg3, 1); 175770d8abaSWarner Losh if (p == NULL) { 176770d8abaSWarner Losh return -TARGET_EFAULT; 177770d8abaSWarner Losh } 178770d8abaSWarner Losh if (regpairs_aligned(cpu_env) != 0) { 179770d8abaSWarner Losh arg4 = arg5; 180770d8abaSWarner Losh arg5 = arg6; 181770d8abaSWarner Losh } 182770d8abaSWarner Losh ret = get_errno(safe_pwrite(arg1, p, arg3, target_arg64(arg4, arg5))); 183770d8abaSWarner Losh unlock_user(p, arg2, 0); 184770d8abaSWarner Losh 185770d8abaSWarner Losh return ret; 186770d8abaSWarner Losh } 187770d8abaSWarner Losh 188770d8abaSWarner Losh /* writev(2) */ 189770d8abaSWarner Losh static abi_long do_bsd_writev(abi_long arg1, abi_long arg2, abi_long arg3) 190770d8abaSWarner Losh { 191770d8abaSWarner Losh abi_long ret; 192770d8abaSWarner Losh struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); 193770d8abaSWarner Losh 194770d8abaSWarner Losh if (vec != NULL) { 195770d8abaSWarner Losh ret = get_errno(safe_writev(arg1, vec, arg3)); 196770d8abaSWarner Losh unlock_iovec(vec, arg2, arg3, 0); 197770d8abaSWarner Losh } else { 198770d8abaSWarner Losh ret = -host_to_target_errno(errno); 199770d8abaSWarner Losh } 200770d8abaSWarner Losh 201770d8abaSWarner Losh return ret; 202770d8abaSWarner Losh } 203770d8abaSWarner Losh 204770d8abaSWarner Losh /* pwritev(2) */ 205770d8abaSWarner Losh static abi_long do_bsd_pwritev(void *cpu_env, abi_long arg1, 206770d8abaSWarner Losh abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6) 207770d8abaSWarner Losh { 208770d8abaSWarner Losh abi_long ret; 209770d8abaSWarner Losh struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); 210770d8abaSWarner Losh 211770d8abaSWarner Losh if (vec != NULL) { 212770d8abaSWarner Losh if (regpairs_aligned(cpu_env) != 0) { 213770d8abaSWarner Losh arg4 = arg5; 214770d8abaSWarner Losh arg5 = arg6; 215770d8abaSWarner Losh } 216770d8abaSWarner Losh ret = get_errno(safe_pwritev(arg1, vec, arg3, target_arg64(arg4, arg5))); 217770d8abaSWarner Losh unlock_iovec(vec, arg2, arg3, 0); 218770d8abaSWarner Losh } else { 219770d8abaSWarner Losh ret = -host_to_target_errno(errno); 220770d8abaSWarner Losh } 221770d8abaSWarner Losh 222770d8abaSWarner Losh return ret; 223770d8abaSWarner Losh } 224770d8abaSWarner Losh 22577d3522bSWarner Losh /* open(2) */ 22677d3522bSWarner Losh static abi_long do_bsd_open(abi_long arg1, abi_long arg2, abi_long arg3) 22777d3522bSWarner Losh { 22877d3522bSWarner Losh abi_long ret; 22977d3522bSWarner Losh void *p; 23077d3522bSWarner Losh 23177d3522bSWarner Losh LOCK_PATH(p, arg1); 23277d3522bSWarner Losh ret = get_errno(safe_open(path(p), target_to_host_bitmask(arg2, 23377d3522bSWarner Losh fcntl_flags_tbl), arg3)); 23477d3522bSWarner Losh UNLOCK_PATH(p, arg1); 23577d3522bSWarner Losh 23677d3522bSWarner Losh return ret; 23777d3522bSWarner Losh } 23877d3522bSWarner Losh 23977d3522bSWarner Losh /* openat(2) */ 24077d3522bSWarner Losh static abi_long do_bsd_openat(abi_long arg1, abi_long arg2, 24177d3522bSWarner Losh abi_long arg3, abi_long arg4) 24277d3522bSWarner Losh { 24377d3522bSWarner Losh abi_long ret; 24477d3522bSWarner Losh void *p; 24577d3522bSWarner Losh 24677d3522bSWarner Losh LOCK_PATH(p, arg2); 24777d3522bSWarner Losh ret = get_errno(safe_openat(arg1, path(p), 24877d3522bSWarner Losh target_to_host_bitmask(arg3, fcntl_flags_tbl), arg4)); 24977d3522bSWarner Losh UNLOCK_PATH(p, arg2); 25077d3522bSWarner Losh 25177d3522bSWarner Losh return ret; 25277d3522bSWarner Losh } 25377d3522bSWarner Losh 25477d3522bSWarner Losh /* close(2) */ 25577d3522bSWarner Losh static inline abi_long do_bsd_close(abi_long arg1) 25677d3522bSWarner Losh { 25777d3522bSWarner Losh return get_errno(close(arg1)); 25877d3522bSWarner Losh } 25977d3522bSWarner Losh 260a2ba6c7bSWarner Losh /* fdatasync(2) */ 261a2ba6c7bSWarner Losh static abi_long do_bsd_fdatasync(abi_long arg1) 262a2ba6c7bSWarner Losh { 263a2ba6c7bSWarner Losh return get_errno(fdatasync(arg1)); 264a2ba6c7bSWarner Losh } 265a2ba6c7bSWarner Losh 266a2ba6c7bSWarner Losh /* fsync(2) */ 267a2ba6c7bSWarner Losh static abi_long do_bsd_fsync(abi_long arg1) 268a2ba6c7bSWarner Losh { 269a2ba6c7bSWarner Losh return get_errno(fsync(arg1)); 270a2ba6c7bSWarner Losh } 271a2ba6c7bSWarner Losh 272a2ba6c7bSWarner Losh /* closefrom(2) */ 273a2ba6c7bSWarner Losh static abi_long do_bsd_closefrom(abi_long arg1) 274a2ba6c7bSWarner Losh { 275a2ba6c7bSWarner Losh closefrom(arg1); /* returns void */ 276a2ba6c7bSWarner Losh return get_errno(0); 277a2ba6c7bSWarner Losh } 278a2ba6c7bSWarner Losh 27965c6c4c8SWarner Losh /* revoke(2) */ 28065c6c4c8SWarner Losh static abi_long do_bsd_revoke(abi_long arg1) 28165c6c4c8SWarner Losh { 28265c6c4c8SWarner Losh abi_long ret; 28365c6c4c8SWarner Losh void *p; 28465c6c4c8SWarner Losh 28565c6c4c8SWarner Losh LOCK_PATH(p, arg1); 28665c6c4c8SWarner Losh ret = get_errno(revoke(p)); /* XXX path(p)? */ 28765c6c4c8SWarner Losh UNLOCK_PATH(p, arg1); 28865c6c4c8SWarner Losh 28965c6c4c8SWarner Losh return ret; 29065c6c4c8SWarner Losh } 29165c6c4c8SWarner Losh 29265c6c4c8SWarner Losh /* access(2) */ 29365c6c4c8SWarner Losh static abi_long do_bsd_access(abi_long arg1, abi_long arg2) 29465c6c4c8SWarner Losh { 29565c6c4c8SWarner Losh abi_long ret; 29665c6c4c8SWarner Losh void *p; 29765c6c4c8SWarner Losh 29865c6c4c8SWarner Losh LOCK_PATH(p, arg1); 29965c6c4c8SWarner Losh ret = get_errno(access(path(p), arg2)); 30065c6c4c8SWarner Losh UNLOCK_PATH(p, arg1); 30165c6c4c8SWarner Losh 30265c6c4c8SWarner Losh return ret; 30365c6c4c8SWarner Losh } 30465c6c4c8SWarner Losh 30565c6c4c8SWarner Losh /* eaccess(2) */ 30665c6c4c8SWarner Losh static abi_long do_bsd_eaccess(abi_long arg1, abi_long arg2) 30765c6c4c8SWarner Losh { 30865c6c4c8SWarner Losh abi_long ret; 30965c6c4c8SWarner Losh void *p; 31065c6c4c8SWarner Losh 31165c6c4c8SWarner Losh LOCK_PATH(p, arg1); 31265c6c4c8SWarner Losh ret = get_errno(eaccess(path(p), arg2)); 31365c6c4c8SWarner Losh UNLOCK_PATH(p, arg1); 31465c6c4c8SWarner Losh 31565c6c4c8SWarner Losh return ret; 31665c6c4c8SWarner Losh } 31765c6c4c8SWarner Losh 31865c6c4c8SWarner Losh /* faccessat(2) */ 31965c6c4c8SWarner Losh static abi_long do_bsd_faccessat(abi_long arg1, abi_long arg2, 32065c6c4c8SWarner Losh abi_long arg3, abi_long arg4) 32165c6c4c8SWarner Losh { 32265c6c4c8SWarner Losh abi_long ret; 32365c6c4c8SWarner Losh void *p; 32465c6c4c8SWarner Losh 32565c6c4c8SWarner Losh LOCK_PATH(p, arg2); 32665c6c4c8SWarner Losh ret = get_errno(faccessat(arg1, p, arg3, arg4)); /* XXX path(p)? */ 32765c6c4c8SWarner Losh UNLOCK_PATH(p, arg2); 32865c6c4c8SWarner Losh 32965c6c4c8SWarner Losh return ret; 33065c6c4c8SWarner Losh } 33165c6c4c8SWarner Losh 332390f547eSWarner Losh /* chdir(2) */ 333390f547eSWarner Losh static abi_long do_bsd_chdir(abi_long arg1) 334390f547eSWarner Losh { 335390f547eSWarner Losh abi_long ret; 336390f547eSWarner Losh void *p; 337390f547eSWarner Losh 338390f547eSWarner Losh LOCK_PATH(p, arg1); 339390f547eSWarner Losh ret = get_errno(chdir(p)); /* XXX path(p)? */ 340390f547eSWarner Losh UNLOCK_PATH(p, arg1); 341390f547eSWarner Losh 342390f547eSWarner Losh return ret; 343390f547eSWarner Losh } 344390f547eSWarner Losh 345390f547eSWarner Losh /* fchdir(2) */ 346390f547eSWarner Losh static abi_long do_bsd_fchdir(abi_long arg1) 347390f547eSWarner Losh { 348390f547eSWarner Losh return get_errno(fchdir(arg1)); 349390f547eSWarner Losh } 350390f547eSWarner Losh 351ab5fd2d9SWarner Losh /* rename(2) */ 352ab5fd2d9SWarner Losh static abi_long do_bsd_rename(abi_long arg1, abi_long arg2) 353ab5fd2d9SWarner Losh { 354ab5fd2d9SWarner Losh abi_long ret; 355ab5fd2d9SWarner Losh void *p1, *p2; 356ab5fd2d9SWarner Losh 357ab5fd2d9SWarner Losh LOCK_PATH2(p1, arg1, p2, arg2); 358ab5fd2d9SWarner Losh ret = get_errno(rename(p1, p2)); /* XXX path(p1), path(p2) */ 359ab5fd2d9SWarner Losh UNLOCK_PATH2(p1, arg1, p2, arg2); 360ab5fd2d9SWarner Losh 361ab5fd2d9SWarner Losh return ret; 362ab5fd2d9SWarner Losh } 363ab5fd2d9SWarner Losh 364ab5fd2d9SWarner Losh /* renameat(2) */ 365ab5fd2d9SWarner Losh static abi_long do_bsd_renameat(abi_long arg1, abi_long arg2, 366ab5fd2d9SWarner Losh abi_long arg3, abi_long arg4) 367ab5fd2d9SWarner Losh { 368ab5fd2d9SWarner Losh abi_long ret; 369ab5fd2d9SWarner Losh void *p1, *p2; 370ab5fd2d9SWarner Losh 371ab5fd2d9SWarner Losh LOCK_PATH2(p1, arg2, p2, arg4); 372ab5fd2d9SWarner Losh ret = get_errno(renameat(arg1, p1, arg3, p2)); 373ab5fd2d9SWarner Losh UNLOCK_PATH2(p1, arg2, p2, arg4); 374ab5fd2d9SWarner Losh 375ab5fd2d9SWarner Losh return ret; 376ab5fd2d9SWarner Losh } 377ab5fd2d9SWarner Losh 3782d3b7e01SWarner Losh /* link(2) */ 3792d3b7e01SWarner Losh static abi_long do_bsd_link(abi_long arg1, abi_long arg2) 3802d3b7e01SWarner Losh { 3812d3b7e01SWarner Losh abi_long ret; 3822d3b7e01SWarner Losh void *p1, *p2; 3832d3b7e01SWarner Losh 3842d3b7e01SWarner Losh LOCK_PATH2(p1, arg1, p2, arg2); 3852d3b7e01SWarner Losh ret = get_errno(link(p1, p2)); /* XXX path(p1), path(p2) */ 3862d3b7e01SWarner Losh UNLOCK_PATH2(p1, arg1, p2, arg2); 3872d3b7e01SWarner Losh 3882d3b7e01SWarner Losh return ret; 3892d3b7e01SWarner Losh } 3902d3b7e01SWarner Losh 3912d3b7e01SWarner Losh /* linkat(2) */ 3922d3b7e01SWarner Losh static abi_long do_bsd_linkat(abi_long arg1, abi_long arg2, 3932d3b7e01SWarner Losh abi_long arg3, abi_long arg4, abi_long arg5) 3942d3b7e01SWarner Losh { 3952d3b7e01SWarner Losh abi_long ret; 3962d3b7e01SWarner Losh void *p1, *p2; 3972d3b7e01SWarner Losh 3982d3b7e01SWarner Losh LOCK_PATH2(p1, arg2, p2, arg4); 3992d3b7e01SWarner Losh ret = get_errno(linkat(arg1, p1, arg3, p2, arg5)); 4002d3b7e01SWarner Losh UNLOCK_PATH2(p1, arg2, p2, arg4); 4012d3b7e01SWarner Losh 4022d3b7e01SWarner Losh return ret; 4032d3b7e01SWarner Losh } 4042d3b7e01SWarner Losh 4052d3b7e01SWarner Losh /* unlink(2) */ 4062d3b7e01SWarner Losh static abi_long do_bsd_unlink(abi_long arg1) 4072d3b7e01SWarner Losh { 4082d3b7e01SWarner Losh abi_long ret; 4092d3b7e01SWarner Losh void *p; 4102d3b7e01SWarner Losh 4112d3b7e01SWarner Losh LOCK_PATH(p, arg1); 4122d3b7e01SWarner Losh ret = get_errno(unlink(p)); /* XXX path(p) */ 4132d3b7e01SWarner Losh UNLOCK_PATH(p, arg1); 4142d3b7e01SWarner Losh 4152d3b7e01SWarner Losh return ret; 4162d3b7e01SWarner Losh } 4172d3b7e01SWarner Losh 4182d3b7e01SWarner Losh /* unlinkat(2) */ 4192d3b7e01SWarner Losh static abi_long do_bsd_unlinkat(abi_long arg1, abi_long arg2, 4202d3b7e01SWarner Losh abi_long arg3) 4212d3b7e01SWarner Losh { 4222d3b7e01SWarner Losh abi_long ret; 4232d3b7e01SWarner Losh void *p; 4242d3b7e01SWarner Losh 4252d3b7e01SWarner Losh LOCK_PATH(p, arg2); 4262d3b7e01SWarner Losh ret = get_errno(unlinkat(arg1, p, arg3)); /* XXX path(p) */ 4272d3b7e01SWarner Losh UNLOCK_PATH(p, arg2); 4282d3b7e01SWarner Losh 4292d3b7e01SWarner Losh return ret; 4302d3b7e01SWarner Losh } 4312d3b7e01SWarner Losh 4321ffbd5e7SWarner Losh /* mkdir(2) */ 4331ffbd5e7SWarner Losh static abi_long do_bsd_mkdir(abi_long arg1, abi_long arg2) 4341ffbd5e7SWarner Losh { 4351ffbd5e7SWarner Losh abi_long ret; 4361ffbd5e7SWarner Losh void *p; 4371ffbd5e7SWarner Losh 4381ffbd5e7SWarner Losh LOCK_PATH(p, arg1); 4391ffbd5e7SWarner Losh ret = get_errno(mkdir(p, arg2)); /* XXX path(p) */ 4401ffbd5e7SWarner Losh UNLOCK_PATH(p, arg1); 4411ffbd5e7SWarner Losh 4421ffbd5e7SWarner Losh return ret; 4431ffbd5e7SWarner Losh } 4441ffbd5e7SWarner Losh 4451ffbd5e7SWarner Losh /* mkdirat(2) */ 4461ffbd5e7SWarner Losh static abi_long do_bsd_mkdirat(abi_long arg1, abi_long arg2, 4471ffbd5e7SWarner Losh abi_long arg3) 4481ffbd5e7SWarner Losh { 4491ffbd5e7SWarner Losh abi_long ret; 4501ffbd5e7SWarner Losh void *p; 4511ffbd5e7SWarner Losh 4521ffbd5e7SWarner Losh LOCK_PATH(p, arg2); 4531ffbd5e7SWarner Losh ret = get_errno(mkdirat(arg1, p, arg3)); 4541ffbd5e7SWarner Losh UNLOCK_PATH(p, arg2); 4551ffbd5e7SWarner Losh 4561ffbd5e7SWarner Losh return ret; 4571ffbd5e7SWarner Losh } 4581ffbd5e7SWarner Losh 4596af8f76aSWarner Losh /* rmdir(2) */ 4606af8f76aSWarner Losh static abi_long do_bsd_rmdir(abi_long arg1) 4616af8f76aSWarner Losh { 4626af8f76aSWarner Losh abi_long ret; 4636af8f76aSWarner Losh void *p; 4646af8f76aSWarner Losh 4656af8f76aSWarner Losh LOCK_PATH(p, arg1); 4666af8f76aSWarner Losh ret = get_errno(rmdir(p)); /* XXX path(p)? */ 4676af8f76aSWarner Losh UNLOCK_PATH(p, arg1); 4686af8f76aSWarner Losh 4696af8f76aSWarner Losh return ret; 4706af8f76aSWarner Losh } 4716af8f76aSWarner Losh 4726af8f76aSWarner Losh /* undocumented __getcwd(char *buf, size_t len) system call */ 4736af8f76aSWarner Losh static abi_long do_bsd___getcwd(abi_long arg1, abi_long arg2) 4746af8f76aSWarner Losh { 4756af8f76aSWarner Losh abi_long ret; 4766af8f76aSWarner Losh void *p; 4776af8f76aSWarner Losh 4786af8f76aSWarner Losh p = lock_user(VERIFY_WRITE, arg1, arg2, 0); 4796af8f76aSWarner Losh if (p == NULL) { 4806af8f76aSWarner Losh return -TARGET_EFAULT; 4816af8f76aSWarner Losh } 4826af8f76aSWarner Losh ret = safe_syscall(SYS___getcwd, p, arg2); 4836af8f76aSWarner Losh unlock_user(p, arg1, ret == 0 ? strlen(p) + 1 : 0); 4846af8f76aSWarner Losh 4856af8f76aSWarner Losh return get_errno(ret); 4866af8f76aSWarner Losh } 4876af8f76aSWarner Losh 488*a15699acSWarner Losh /* dup(2) */ 489*a15699acSWarner Losh static abi_long do_bsd_dup(abi_long arg1) 490*a15699acSWarner Losh { 491*a15699acSWarner Losh return get_errno(dup(arg1)); 492*a15699acSWarner Losh } 493*a15699acSWarner Losh 494*a15699acSWarner Losh /* dup2(2) */ 495*a15699acSWarner Losh static abi_long do_bsd_dup2(abi_long arg1, abi_long arg2) 496*a15699acSWarner Losh { 497*a15699acSWarner Losh return get_errno(dup2(arg1, arg2)); 498*a15699acSWarner Losh } 499*a15699acSWarner Losh 5009c092804SMarkus Armbruster #endif /* BSD_FILE_H */ 501