This patch adds the renameat syscall to linux-user.
Index: qemu/linux-user/syscall.c
===================================================================
--- qemu.orig/linux-user/syscall.c 2007-09-19 06:23:52.000000000 -0600
+++ qemu/linux-user/syscall.c 2007-09-19 06:24:47.000000000 -0600
@@ -159,6 +159,7 @@
#define __NR_sys_mkdirat __NR_mkdirat
#define __NR_sys_mknodat __NR_mknodat
#define __NR_sys_openat __NR_openat
+#define __NR_sys_renameat __NR_renameat
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
#define __NR_sys_syslog __NR_syslog
#define __NR_sys_tgkill __NR_tgkill
@@ -203,6 +204,10 @@
#if defined(TARGET_NR_openat) && defined(__NR_openat)
_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
#endif
+#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
+_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
+ int,newdirfd,const char *,newpath)
+#endif
_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
@@ -3016,6 +3021,28 @@
unlock_user(p, arg1, 0);
}
break;
+#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
+ case TARGET_NR_renameat:
+ if (!arg2 || !arg4) {
+ ret = -EFAULT;
+ goto fail;
+ }
+ {
+ void *p2 = NULL;
+ p = lock_user_string(arg2);
+ p2 = lock_user_string(arg4);
+ if (!access_ok(VERIFY_READ, p, 1)
+ || !access_ok(VERIFY_READ, p2, 1))
+ ret = -EFAULT;
+ else
+ ret = get_errno(sys_renameat(arg1, p, arg3, p2));
+ if (p2)
+ unlock_user(p2, arg4, 0);
+ if (p)
+ unlock_user(p, arg2, 0);
+ }
+ break;
+#endif
case TARGET_NR_mkdir:
p = lock_user_string(arg1);
ret = get_errno(mkdir(p, arg2));
Index: qemu/linux-user/arm/syscall_nr.h
===================================================================
--- qemu.orig/linux-user/arm/syscall_nr.h 2007-09-19 06:23:07.000000000 -0600
+++ qemu/linux-user/arm/syscall_nr.h 2007-09-19 06:24:10.000000000 -0600
@@ -331,4 +331,5 @@
#define TARGET_NR_fchownat 325
#define TARGET_NR_futimesat 326
#define TARGET_NR_unlinkat 328
+#define TARGET_NR_renameat 329
#define TARGET_NR_utimensat 348
