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[Qemu-devel] [PATCH 24/33] linux-user: Split out rename, renameat, renam
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 24/33] linux-user: Split out rename, renameat, renameat2 |
Date: |
Fri, 1 Jun 2018 00:30:41 -0700 |
Signed-off-by: Richard Henderson <address@hidden>
---
linux-user/syscall.c | 113 ++++++++++++++++++++++++-------------------
1 file changed, 63 insertions(+), 50 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 2a172e24eb..24514329b0 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8504,6 +8504,60 @@ IMPL(read)
return ret;
}
+#ifdef TARGET_NR_rename
+IMPL(rename)
+{
+ char *p1 = lock_user_string(arg1);
+ char *p2 = lock_user_string(arg2);
+ abi_long ret = -TARGET_EFAULT;
+
+ if (p1 && p2) {
+ ret = get_errno(rename(p1, p2));
+ }
+ unlock_user(p2, arg2, 0);
+ unlock_user(p1, arg1, 0);
+ return ret;
+}
+#endif
+
+#if defined(TARGET_NR_renameat)
+IMPL(renameat)
+{
+ if (is_hostfd(arg1)) {
+ return -TARGET_EBADF;
+ }
+
+ char *p1 = lock_user_string(arg2);
+ char *p2 = lock_user_string(arg4);
+ abi_long ret = -TARGET_EFAULT;
+ if (p1 && p2) {
+ ret = get_errno(renameat(arg1, p1, arg3, p2));
+ }
+ unlock_user(p2, arg4, 0);
+ unlock_user(p1, arg2, 0);
+ return ret;
+}
+#endif
+
+#ifdef TARGET_NR_renameat2
+IMPL(renameat2)
+{
+ if (is_hostfd(arg1)) {
+ return -TARGET_EBADF;
+ }
+
+ char *p1 = lock_user_string(arg2);
+ char *p2 = lock_user_string(arg4);
+ abi_long ret = -TARGET_EFAULT;
+ if (p1 && p2) {
+ ret = get_errno(sys_renameat2(arg1, p1, arg3, p2, arg5));
+ }
+ unlock_user(p2, arg4, 0);
+ unlock_user(p1, arg2, 0);
+ return ret;
+}
+#endif
+
#ifdef TARGET_NR_stime
IMPL(stime)
{
@@ -8714,56 +8768,6 @@ IMPL(everything_else)
char *fn;
switch(num) {
-#ifdef TARGET_NR_rename
- case TARGET_NR_rename:
- {
- void *p2;
- p = lock_user_string(arg1);
- p2 = lock_user_string(arg2);
- if (!p || !p2)
- ret = -TARGET_EFAULT;
- else
- ret = get_errno(rename(p, p2));
- unlock_user(p2, arg2, 0);
- unlock_user(p, arg1, 0);
- }
- return ret;
-#endif
-#if defined(TARGET_NR_renameat)
- case TARGET_NR_renameat:
- if (is_hostfd(arg1)) {
- return -TARGET_EBADF;
- } else {
- void *p2;
- p = lock_user_string(arg2);
- p2 = lock_user_string(arg4);
- if (!p || !p2)
- ret = -TARGET_EFAULT;
- else
- ret = get_errno(renameat(arg1, p, arg3, p2));
- unlock_user(p2, arg4, 0);
- unlock_user(p, arg2, 0);
- }
- return ret;
-#endif
-#if defined(TARGET_NR_renameat2)
- case TARGET_NR_renameat2:
- if (is_hostfd(arg1)) {
- return -TARGET_EBADF;
- } else {
- void *p2;
- p = lock_user_string(arg2);
- p2 = lock_user_string(arg4);
- if (!p || !p2) {
- ret = -TARGET_EFAULT;
- } else {
- ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5));
- }
- unlock_user(p2, arg4, 0);
- unlock_user(p, arg2, 0);
- }
- return ret;
-#endif
#ifdef TARGET_NR_mkdir
case TARGET_NR_mkdir:
if (!(p = lock_user_string(arg1)))
@@ -12967,6 +12971,15 @@ static impl_fn * const syscall_table[] = {
[TARGET_NR_pause] = impl_pause,
#endif
[TARGET_NR_read] = impl_read,
+#ifdef TARGET_NR_rename
+ [TARGET_NR_rename] = impl_rename,
+#endif
+#ifdef TARGET_NR_renameat
+ [TARGET_NR_renameat] = impl_renameat,
+#endif
+#ifdef TARGET_NR_renameat2
+ [TARGET_NR_renameat2] = impl_renameat2,
+#endif
#ifdef TARGET_NR_stime
[TARGET_NR_stime] = impl_stime,
#endif
--
2.17.0
- [Qemu-devel] [PATCH 16/33] linux-user: Split out link, linkat, (continued)
- [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, 2018/06/01
- [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 <=
- [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
- [Qemu-devel] [PATCH 29/33] linux-user: Split out getpgrp, getppid, setsid, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 32/33] linux-user: Split out rt_sigpending, rt_sigsuspend, sigpending, sigsuspend, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 31/33] linux-user: Split out rt_sigprocmask, sgetmask, sigprocmask, ssetmask, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 30/33] linux-user: Split out rt_sigaction, sigaction, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 33/33] linux-user: Split out rt_sigqueueinfo, rt_sigtimedwait, rt_tgsigqueueinfo, Richard Henderson, 2018/06/01
- Re: [Qemu-devel] [PATCH 00/33] linux-user: Begin splitting do_syscall, Richard Henderson, 2018/06/01
- Re: [Qemu-devel] [PATCH 00/33] linux-user: Begin splitting do_syscall, no-reply, 2018/06/01