[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 18/33] linux-user: Split out chdir, mknod, mknodat,
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 18/33] linux-user: Split out chdir, mknod, mknodat, time, chmod |
Date: |
Fri, 1 Jun 2018 00:30:35 -0700 |
Signed-off-by: Richard Henderson <address@hidden>
---
linux-user/syscall.c | 132 ++++++++++++++++++++++++++++---------------
1 file changed, 87 insertions(+), 45 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index bbe9d6d9fb..88e0da31ba 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7899,6 +7899,34 @@ IMPL(brk)
return do_brk(arg1);
}
+IMPL(chdir)
+{
+ char *p = lock_user_string(arg1);
+ abi_long ret;
+
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ ret = get_errno(chdir(p));
+ unlock_user(p, arg1, 0);
+ return ret;
+}
+
+#ifdef TARGET_NR_chmod
+IMPL(chmod)
+{
+ char *p = lock_user_string(arg1);
+ abi_long ret;
+
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ ret = get_errno(chmod(p, arg2));
+ unlock_user(p, arg1, 0);
+ return ret;
+}
+#endif
+
IMPL(close)
{
if (is_hostfd(arg1)) {
@@ -8115,6 +8143,40 @@ IMPL(linkat)
}
#endif
+#ifdef TARGET_NR_mknod
+IMPL(mknod)
+{
+ char *p = lock_user_string(arg1);
+ abi_long ret;
+
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ ret = get_errno(mknod(p, arg2, arg3));
+ unlock_user(p, arg1, 0);
+ return ret;
+}
+#endif
+
+#ifdef TARGET_NR_mknodat
+IMPL(mknodat)
+{
+ char *p;
+ abi_long ret;
+
+ if (is_hostfd(arg1)) {
+ return -TARGET_EBADF;
+ }
+ p = lock_user_string(arg2);
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ ret = get_errno(mknodat(arg1, p, arg3, arg4));
+ unlock_user(p, arg2, 0);
+ return ret;
+}
+#endif
+
#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
IMPL(name_to_handle_at)
{
@@ -8276,6 +8338,18 @@ IMPL(read)
return ret;
}
+#ifdef TARGET_NR_time
+IMPL(time)
+{
+ time_t host_time;
+ abi_long ret = get_errno(time(&host_time));
+ if (!is_error(ret) && arg1 && put_user_sal(host_time, arg1)) {
+ return -TARGET_EFAULT;
+ }
+ return ret;
+}
+#endif
+
#ifdef TARGET_NR_unlink
IMPL(unlink)
{
@@ -8386,51 +8460,6 @@ IMPL(everything_else)
char *fn;
switch(num) {
- case TARGET_NR_chdir:
- if (!(p = lock_user_string(arg1)))
- return -TARGET_EFAULT;
- ret = get_errno(chdir(p));
- unlock_user(p, arg1, 0);
- return ret;
-#ifdef TARGET_NR_time
- case TARGET_NR_time:
- {
- time_t host_time;
- ret = get_errno(time(&host_time));
- if (!is_error(ret)
- && arg1
- && put_user_sal(host_time, arg1))
- return -TARGET_EFAULT;
- }
- return ret;
-#endif
-#ifdef TARGET_NR_mknod
- case TARGET_NR_mknod:
- if (!(p = lock_user_string(arg1)))
- return -TARGET_EFAULT;
- ret = get_errno(mknod(p, arg2, arg3));
- unlock_user(p, arg1, 0);
- return ret;
-#endif
-#if defined(TARGET_NR_mknodat)
- case TARGET_NR_mknodat:
- if (is_hostfd(arg1)) {
- return -TARGET_EBADF;
- }
- if (!(p = lock_user_string(arg2)))
- return -TARGET_EFAULT;
- ret = get_errno(mknodat(arg1, p, arg3, arg4));
- unlock_user(p, arg2, 0);
- return ret;
-#endif
-#ifdef TARGET_NR_chmod
- case TARGET_NR_chmod:
- if (!(p = lock_user_string(arg1)))
- return -TARGET_EFAULT;
- ret = get_errno(chmod(p, arg2));
- unlock_user(p, arg1, 0);
- return ret;
-#endif
#ifdef TARGET_NR_break
case TARGET_NR_break:
return do_unimplemented(num);
@@ -12968,6 +12997,10 @@ IMPL(everything_else)
static impl_fn * const syscall_table[] = {
[TARGET_NR_brk] = impl_brk,
[TARGET_NR_close] = impl_close,
+ [TARGET_NR_chdir] = impl_chdir,
+#ifdef TARGET_NR_chmod
+ [TARGET_NR_chmod] = impl_chmod,
+#endif
#ifdef TARGET_NR_creat
[TARGET_NR_creat] = impl_creat,
#endif
@@ -12982,6 +13015,12 @@ static impl_fn * const syscall_table[] = {
#if defined(TARGET_NR_linkat)
[TARGET_NR_linkat] = impl_linkat,
#endif
+#ifdef TARGET_NR_mknod
+ [TARGET_NR_mknod] = impl_mknod,
+#endif
+#ifdef TARGET_NR_mknodat
+ [TARGET_NR_mknodat] = impl_mknodat,
+#endif
#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
[TARGET_NR_name_to_handle_at] = impl_name_to_handle_at,
#endif
@@ -12993,6 +13032,9 @@ static impl_fn * const syscall_table[] = {
[TARGET_NR_open_by_handle_at] = impl_open_by_handle_at,
#endif
[TARGET_NR_read] = impl_read,
+#ifdef TARGET_NR_time
+ [TARGET_NR_time] = impl_time,
+#endif
#ifdef TARGET_NR_unlink
[TARGET_NR_unlink] = impl_unlink,
#endif
--
2.17.0
- Re: [Qemu-devel] [PATCH 10/33] linux-user: Split out brk, close, exit, read, write, (continued)
- [Qemu-devel] [PATCH 02/33] linux-user: Relax single exit from "break", Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 11/33] linux-user: Split out execve, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 14/33] linux-user: Split out open_to_handle_at, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 15/33] linux-user: Split out creat, fork, waitid, waitpid, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 13/33] linux-user: Split out name_to_handle_at, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 16/33] linux-user: Split out link, linkat, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 17/33] linux-user: Split out unlink, unlinkat, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 18/33] linux-user: Split out chdir, mknod, mknodat, time, chmod,
Richard Henderson <=
- [Qemu-devel] [PATCH 19/33] linux-user: Remove all unimplemented entries, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 20/33] linux-user: Split out getpid, getxpid, lseek, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 21/33] linux-user: Split out mount, umount, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 22/33] linux-user: Split out alarm, pause, stime, utime, utimes, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 23/33] linux-user: Split out access, faccessat, futimesat, kill, nice, sync, syncfs, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 26/33] linux-user: Split out acct, pipe, pipe2, times, umount2, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 25/33] linux-user: Split out dup, mkdir, mkdirat, rmdir, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 24/33] linux-user: Split out rename, renameat, renameat2, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 27/33] linux-user: Split out ioctl, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 28/33] linux-user: Split out chroot, dup2, dup3, fcntl, setpgid, umask, Richard Henderson, 2018/06/01