diff options
| -rw-r--r-- | bsd-user/bsd-file.h | 392 | ||||
| -rw-r--r-- | bsd-user/freebsd/os-syscall.c | 118 |
2 files changed, 509 insertions, 1 deletions
diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h index b2dca58612..588e0c50d4 100644 --- a/bsd-user/bsd-file.h +++ b/bsd-user/bsd-file.h @@ -252,7 +252,7 @@ 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)); } @@ -549,4 +549,394 @@ static abi_long do_bsd_sync(void) 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 */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 2623caf800..57996cad8a 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -32,7 +32,9 @@ #include "qemu/cutils.h" #include "qemu/path.h" #include <sys/syscall.h> +#include <sys/cdefs.h> #include <sys/param.h> +#include <sys/mount.h> #include <sys/sysctl.h> #include <utime.h> @@ -373,6 +375,122 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1, ret = do_bsd_sync(); break; + case TARGET_FREEBSD_NR_mount: /* mount(2) */ + ret = do_bsd_mount(arg1, arg2, arg3, arg4); + break; + + case TARGET_FREEBSD_NR_unmount: /* unmount(2) */ + ret = do_bsd_unmount(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_nmount: /* nmount(2) */ + ret = do_bsd_nmount(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_symlink: /* symlink(2) */ + ret = do_bsd_symlink(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_symlinkat: /* symlinkat(2) */ + ret = do_bsd_symlinkat(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_readlink: /* readlink(2) */ + ret = do_bsd_readlink(cpu_env, arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_readlinkat: /* readlinkat(2) */ + ret = do_bsd_readlinkat(arg1, arg2, arg3, arg4); + break; + + case TARGET_FREEBSD_NR_chmod: /* chmod(2) */ + ret = do_bsd_chmod(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_fchmod: /* fchmod(2) */ + ret = do_bsd_fchmod(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_lchmod: /* lchmod(2) */ + ret = do_bsd_lchmod(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_fchmodat: /* fchmodat(2) */ + ret = do_bsd_fchmodat(arg1, arg2, arg3, arg4); + break; + + case TARGET_FREEBSD_NR_freebsd11_mknod: /* mknod(2) */ + ret = do_bsd_freebsd11_mknod(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_freebsd11_mknodat: /* mknodat(2) */ + ret = do_bsd_freebsd11_mknodat(arg1, arg2, arg3, arg4); + break; + + case TARGET_FREEBSD_NR_mknodat: /* mknodat(2) */ + ret = do_bsd_mknodat(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); + break; + + case TARGET_FREEBSD_NR_chown: /* chown(2) */ + ret = do_bsd_chown(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_fchown: /* fchown(2) */ + ret = do_bsd_fchown(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_lchown: /* lchown(2) */ + ret = do_bsd_lchown(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_fchownat: /* fchownat(2) */ + ret = do_bsd_fchownat(arg1, arg2, arg3, arg4, arg5); + break; + + case TARGET_FREEBSD_NR_chflags: /* chflags(2) */ + ret = do_bsd_chflags(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_lchflags: /* lchflags(2) */ + ret = do_bsd_lchflags(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_fchflags: /* fchflags(2) */ + ret = do_bsd_fchflags(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_chroot: /* chroot(2) */ + ret = do_bsd_chroot(arg1); + break; + + case TARGET_FREEBSD_NR_flock: /* flock(2) */ + ret = do_bsd_flock(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_mkfifo: /* mkfifo(2) */ + ret = do_bsd_mkfifo(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_mkfifoat: /* mkfifoat(2) */ + ret = do_bsd_mkfifoat(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_pathconf: /* pathconf(2) */ + ret = do_bsd_pathconf(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_lpathconf: /* lpathconf(2) */ + ret = do_bsd_lpathconf(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_fpathconf: /* fpathconf(2) */ + ret = do_bsd_fpathconf(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_undelete: /* undelete(2) */ + ret = do_bsd_undelete(arg1); + break; + default: qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); ret = -TARGET_ENOSYS; |