X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=bsd-user%2Fbsd-file.h;h=3c00dc005678b263cebb40e48ffbcc7ed0bd4bce;hb=695cb9137f6c1b1bf940d303b2f26a46241056b8;hp=fd8aba961800b52cfa6cc4e4854085977378c4bb;hpb=ab5fd2d969855be6a0355e55d21b51c676f7b1b6;p=mirror_qemu.git diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h index fd8aba9618..3c00dc0056 100644 --- a/bsd-user/bsd-file.h +++ b/bsd-user/bsd-file.h @@ -51,10 +51,8 @@ do { \ unlock_user(p1, arg1, 0); \ } while (0) -extern struct iovec *lock_iovec(int type, abi_ulong target_addr, int count, - int copy); -extern void unlock_iovec(struct iovec *vec, abi_ulong target_addr, int count, - int copy); +struct iovec *lock_iovec(int type, abi_ulong target_addr, int count, int copy); +void unlock_iovec(struct iovec *vec, abi_ulong target_addr, int count, int copy); int safe_open(const char *path, int flags, mode_t mode); int safe_openat(int fd, const char *path, int flags, mode_t mode); @@ -252,7 +250,7 @@ static abi_long do_bsd_openat(abi_long arg1, abi_long arg2, } /* close(2) */ -static inline abi_long do_bsd_close(abi_long arg1) +static abi_long do_bsd_close(abi_long arg1) { return get_errno(close(arg1)); } @@ -375,4 +373,568 @@ static abi_long do_bsd_renameat(abi_long arg1, abi_long arg2, return ret; } +/* link(2) */ +static abi_long do_bsd_link(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p1, *p2; + + LOCK_PATH2(p1, arg1, p2, arg2); + ret = get_errno(link(p1, p2)); /* XXX path(p1), path(p2) */ + UNLOCK_PATH2(p1, arg1, p2, arg2); + + return ret; +} + +/* linkat(2) */ +static abi_long do_bsd_linkat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + abi_long ret; + void *p1, *p2; + + LOCK_PATH2(p1, arg2, p2, arg4); + ret = get_errno(linkat(arg1, p1, arg3, p2, arg5)); + UNLOCK_PATH2(p1, arg2, p2, arg4); + + return ret; +} + +/* unlink(2) */ +static abi_long do_bsd_unlink(abi_long arg1) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(unlink(p)); /* XXX path(p) */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* unlinkat(2) */ +static abi_long do_bsd_unlinkat(abi_long arg1, abi_long arg2, + abi_long arg3) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg2); + ret = get_errno(unlinkat(arg1, p, arg3)); /* XXX path(p) */ + UNLOCK_PATH(p, arg2); + + return ret; +} + +/* mkdir(2) */ +static abi_long do_bsd_mkdir(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(mkdir(p, arg2)); /* XXX path(p) */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* mkdirat(2) */ +static abi_long do_bsd_mkdirat(abi_long arg1, abi_long arg2, + abi_long arg3) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg2); + ret = get_errno(mkdirat(arg1, p, arg3)); + UNLOCK_PATH(p, arg2); + + return ret; +} + +/* rmdir(2) */ +static abi_long do_bsd_rmdir(abi_long arg1) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(rmdir(p)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* undocumented __getcwd(char *buf, size_t len) system call */ +static abi_long do_bsd___getcwd(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + p = lock_user(VERIFY_WRITE, arg1, arg2, 0); + if (p == NULL) { + return -TARGET_EFAULT; + } + ret = safe_syscall(SYS___getcwd, p, arg2); + unlock_user(p, arg1, ret == 0 ? strlen(p) + 1 : 0); + + return get_errno(ret); +} + +/* dup(2) */ +static abi_long do_bsd_dup(abi_long arg1) +{ + return get_errno(dup(arg1)); +} + +/* dup2(2) */ +static abi_long do_bsd_dup2(abi_long arg1, abi_long arg2) +{ + return get_errno(dup2(arg1, arg2)); +} + +/* truncate(2) */ +static abi_long do_bsd_truncate(void *cpu_env, abi_long arg1, + abi_long arg2, abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + if (regpairs_aligned(cpu_env) != 0) { + arg2 = arg3; + arg3 = arg4; + } + ret = get_errno(truncate(p, target_arg64(arg2, arg3))); + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* ftruncate(2) */ +static abi_long do_bsd_ftruncate(void *cpu_env, abi_long arg1, + abi_long arg2, abi_long arg3, abi_long arg4) +{ + if (regpairs_aligned(cpu_env) != 0) { + arg2 = arg3; + arg3 = arg4; + } + return get_errno(ftruncate(arg1, target_arg64(arg2, arg3))); +} + +/* acct(2) */ +static abi_long do_bsd_acct(abi_long arg1) +{ + abi_long ret; + void *p; + + if (arg1 == 0) { + ret = get_errno(acct(NULL)); + } else { + LOCK_PATH(p, arg1); + ret = get_errno(acct(path(p))); + UNLOCK_PATH(p, arg1); + } + return ret; +} + +/* sync(2) */ +static abi_long do_bsd_sync(void) +{ + sync(); + return 0; +} + +/* mount(2) */ +static abi_long do_bsd_mount(abi_long arg1, abi_long arg2, abi_long arg3, + abi_long arg4) +{ + abi_long ret; + void *p1, *p2; + + LOCK_PATH2(p1, arg1, p2, arg2); + /* + * XXX arg4 should be locked, but it isn't clear how to do that since it may + * be not be a NULL-terminated string. + */ + if (arg4 == 0) { + ret = get_errno(mount(p1, p2, arg3, NULL)); /* XXX path(p2)? */ + } else { + ret = get_errno(mount(p1, p2, arg3, g2h_untagged(arg4))); /* XXX path(p2)? */ + } + UNLOCK_PATH2(p1, arg1, p2, arg2); + + return ret; +} + +/* unmount(2) */ +static abi_long do_bsd_unmount(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(unmount(p, arg2)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* nmount(2) */ +static abi_long do_bsd_nmount(abi_long arg1, abi_long count, + abi_long flags) +{ + abi_long ret; + struct iovec *vec = lock_iovec(VERIFY_READ, arg1, count, 1); + + if (vec != NULL) { + ret = get_errno(nmount(vec, count, flags)); + unlock_iovec(vec, arg1, count, 0); + } else { + return -TARGET_EFAULT; + } + + return ret; +} + +/* symlink(2) */ +static abi_long do_bsd_symlink(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p1, *p2; + + LOCK_PATH2(p1, arg1, p2, arg2); + ret = get_errno(symlink(p1, p2)); /* XXX path(p1), path(p2) */ + UNLOCK_PATH2(p1, arg1, p2, arg2); + + return ret; +} + +/* symlinkat(2) */ +static abi_long do_bsd_symlinkat(abi_long arg1, abi_long arg2, + abi_long arg3) +{ + abi_long ret; + void *p1, *p2; + + LOCK_PATH2(p1, arg1, p2, arg3); + ret = get_errno(symlinkat(p1, arg2, p2)); /* XXX path(p1), path(p2) */ + UNLOCK_PATH2(p1, arg1, p2, arg3); + + return ret; +} + +/* readlink(2) */ +static abi_long do_bsd_readlink(CPUArchState *env, abi_long arg1, + abi_long arg2, abi_long arg3) +{ + abi_long ret; + void *p1, *p2; + + LOCK_PATH(p1, arg1); + p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); + if (p2 == NULL) { + UNLOCK_PATH(p1, arg1); + return -TARGET_EFAULT; + } + if (strcmp(p1, "/proc/curproc/file") == 0) { + CPUState *cpu = env_cpu(env); + TaskState *ts = (TaskState *)cpu->opaque; + strncpy(p2, ts->bprm->fullpath, arg3); + ret = MIN((abi_long)strlen(ts->bprm->fullpath), arg3); + } else { + ret = get_errno(readlink(path(p1), p2, arg3)); + } + unlock_user(p2, arg2, ret); + UNLOCK_PATH(p1, arg1); + + return ret; +} + +/* readlinkat(2) */ +static abi_long do_bsd_readlinkat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p1, *p2; + + LOCK_PATH(p1, arg2); + p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); + if (p2 == NULL) { + UNLOCK_PATH(p1, arg2); + return -TARGET_EFAULT; + } + ret = get_errno(readlinkat(arg1, p1, p2, arg4)); + unlock_user(p2, arg3, ret); + UNLOCK_PATH(p1, arg2); + + return ret; +} + +/* chmod(2) */ +static abi_long do_bsd_chmod(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(chmod(p, arg2)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* fchmod(2) */ +static abi_long do_bsd_fchmod(abi_long arg1, abi_long arg2) +{ + return get_errno(fchmod(arg1, arg2)); +} + +/* lchmod(2) */ +static abi_long do_bsd_lchmod(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(lchmod(p, arg2)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* fchmodat(2) */ +static abi_long do_bsd_fchmodat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg2); + ret = get_errno(fchmodat(arg1, p, arg3, arg4)); + UNLOCK_PATH(p, arg2); + + return ret; +} + +/* pre-ino64 mknod(2) */ +static abi_long do_bsd_freebsd11_mknod(abi_long arg1, abi_long arg2, abi_long arg3) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(syscall(SYS_freebsd11_mknod, p, arg2, arg3)); + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* pre-ino64 mknodat(2) */ +static abi_long do_bsd_freebsd11_mknodat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg2); + ret = get_errno(syscall(SYS_freebsd11_mknodat, arg1, p, arg3, arg4)); + UNLOCK_PATH(p, arg2); + + return ret; +} + +/* post-ino64 mknodat(2) */ +static abi_long do_bsd_mknodat(void *cpu_env, abi_long arg1, + abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, + abi_long arg6) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg2); + /* 32-bit arch's use two 32 registers for 64 bit return value */ + if (regpairs_aligned(cpu_env) != 0) { + ret = get_errno(mknodat(arg1, p, arg3, target_arg64(arg5, arg6))); + } else { + ret = get_errno(mknodat(arg1, p, arg3, target_arg64(arg4, arg5))); + } + UNLOCK_PATH(p, arg2); + + return ret; +} + +/* chown(2) */ +static abi_long do_bsd_chown(abi_long arg1, abi_long arg2, abi_long arg3) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(chown(p, arg2, arg3)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* fchown(2) */ +static abi_long do_bsd_fchown(abi_long arg1, abi_long arg2, + abi_long arg3) +{ + return get_errno(fchown(arg1, arg2, arg3)); +} + +/* lchown(2) */ +static abi_long do_bsd_lchown(abi_long arg1, abi_long arg2, + abi_long arg3) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(lchown(p, arg2, arg3)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* fchownat(2) */ +static abi_long do_bsd_fchownat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg2); + ret = get_errno(fchownat(arg1, p, arg3, arg4, arg5)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg2); + + return ret; +} + +/* chflags(2) */ +static abi_long do_bsd_chflags(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(chflags(p, arg2)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* lchflags(2) */ +static abi_long do_bsd_lchflags(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(lchflags(p, arg2)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* fchflags(2) */ +static abi_long do_bsd_fchflags(abi_long arg1, abi_long arg2) +{ + return get_errno(fchflags(arg1, arg2)); +} + +/* chroot(2) */ +static abi_long do_bsd_chroot(abi_long arg1) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(chroot(p)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* flock(2) */ +static abi_long do_bsd_flock(abi_long arg1, abi_long arg2) +{ + return get_errno(flock(arg1, arg2)); +} + +/* mkfifo(2) */ +static abi_long do_bsd_mkfifo(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(mkfifo(p, arg2)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* mkfifoat(2) */ +static abi_long do_bsd_mkfifoat(abi_long arg1, abi_long arg2, + abi_long arg3) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg2); + ret = get_errno(mkfifoat(arg1, p, arg3)); + UNLOCK_PATH(p, arg2); + + return ret; +} + +/* pathconf(2) */ +static abi_long do_bsd_pathconf(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(pathconf(p, arg2)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* lpathconf(2) */ +static abi_long do_bsd_lpathconf(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(lpathconf(p, arg2)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* fpathconf(2) */ +static abi_long do_bsd_fpathconf(abi_long arg1, abi_long arg2) +{ + return get_errno(fpathconf(arg1, arg2)); +} + +/* undelete(2) */ +static abi_long do_bsd_undelete(abi_long arg1) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(undelete(p)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + #endif /* BSD_FILE_H */