#define UNLOCK_PATH(p, arg) unlock_user(p, arg, 0)
+#define LOCK_PATH2(p1, arg1, p2, arg2) \
+do { \
+ (p1) = lock_user_string(arg1); \
+ if ((p1) == NULL) { \
+ return -TARGET_EFAULT; \
+ } \
+ (p2) = lock_user_string(arg2); \
+ if ((p2) == NULL) { \
+ unlock_user(p1, arg1, 0); \
+ return -TARGET_EFAULT; \
+ } \
+} 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);
+#define UNLOCK_PATH2(p1, arg1, p2, arg2) \
+do { \
+ unlock_user(p2, arg2, 0); \
+ unlock_user(p1, arg1, 0); \
+} while (0)
+
+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);
}
/* 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));
}
return ret;
}
+/* chdir(2) */
+static abi_long do_bsd_chdir(abi_long arg1)
+{
+ abi_long ret;
+ void *p;
+
+ LOCK_PATH(p, arg1);
+ ret = get_errno(chdir(p)); /* XXX path(p)? */
+ UNLOCK_PATH(p, arg1);
+
+ return ret;
+}
+
+/* fchdir(2) */
+static abi_long do_bsd_fchdir(abi_long arg1)
+{
+ return get_errno(fchdir(arg1));
+}
+
+/* rename(2) */
+static abi_long do_bsd_rename(abi_long arg1, abi_long arg2)
+{
+ abi_long ret;
+ void *p1, *p2;
+
+ LOCK_PATH2(p1, arg1, p2, arg2);
+ ret = get_errno(rename(p1, p2)); /* XXX path(p1), path(p2) */
+ UNLOCK_PATH2(p1, arg1, p2, arg2);
+
+ return ret;
+}
+
+/* renameat(2) */
+static abi_long do_bsd_renameat(abi_long arg1, abi_long arg2,
+ abi_long arg3, abi_long arg4)
+{
+ abi_long ret;
+ void *p1, *p2;
+
+ LOCK_PATH2(p1, arg2, p2, arg4);
+ ret = get_errno(renameat(arg1, p1, arg3, p2));
+ UNLOCK_PATH2(p1, arg2, p2, arg4);
+
+ 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 */