This patch adds the fchownat syscall to linux-user.
Index: qemu/linux-user/syscall.c
===================================================================
--- qemu.orig/linux-user/syscall.c 2007-09-19 06:21:49.000000000 -0600
+++ qemu/linux-user/syscall.c 2007-09-19 06:22:58.000000000 -0600
@@ -151,6 +151,7 @@
#define __NR_sys_uname __NR_uname
+#define __NR_sys_fchownat __NR_fchownat
#define __NR_sys_futimesat __NR_futimesat
#define __NR_sys_getcwd1 __NR_getcwd
#define __NR_sys_getdents __NR_getdents
@@ -176,6 +177,10 @@
}
#endif
_syscall1(int,sys_uname,struct new_utsname *,buf)
+#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
+_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
+ uid_t,owner,gid_t,group,int,flags)
+#endif
#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
const struct timeval *,times)
@@ -4518,6 +4523,21 @@
case TARGET_NR_fchown:
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
break;
+#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
+ case TARGET_NR_fchownat:
+ if (!arg2) {
+ ret = -EFAULT;
+ goto fail;
+ }
+ p = lock_user_string(arg2);
+ if (!access_ok(VERIFY_READ, p, 1))
+ ret = -EFAULT;
+ else
+ ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
+ if (p)
+ unlock_user(p, arg2, 0);
+ break;
+#endif
#ifdef TARGET_NR_setresuid
case TARGET_NR_setresuid:
ret = get_errno(setresuid(low2highuid(arg1),
Index: qemu/linux-user/arm/syscall_nr.h
===================================================================
--- qemu.orig/linux-user/arm/syscall_nr.h 2007-09-19 06:21:07.000000000 -0600
+++ qemu/linux-user/arm/syscall_nr.h 2007-09-19 06:22:15.000000000 -0600
@@ -328,5 +328,6 @@
#define TARGET_NR_openat 322
#define TARGET_NR_mkdirat 323
#define TARGET_NR_mknodat 324
+#define TARGET_NR_fchownat 325
#define TARGET_NR_futimesat 326
#define TARGET_NR_utimensat 348
