This patch adds the mknodat syscall to linux-user.
Index: qemu/linux-user/syscall.c
===================================================================
--- qemu.orig/linux-user/syscall.c 2007-09-19 06:20:59.000000000 -0600
+++ qemu/linux-user/syscall.c 2007-09-19 06:21:49.000000000 -0600
@@ -156,6 +156,7 @@
#define __NR_sys_getdents __NR_getdents
#define __NR_sys_getdents64 __NR_getdents64
#define __NR_sys_mkdirat __NR_mkdirat
+#define __NR_sys_mknodat __NR_mknodat
#define __NR_sys_openat __NR_openat
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
#define __NR_sys_syslog __NR_syslog
@@ -189,6 +190,10 @@
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
#endif
+#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
+_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
+ mode_t,mode,dev_t,dev)
+#endif
#if defined(TARGET_NR_openat) && defined(__NR_openat)
_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
#endif
@@ -2828,6 +2833,21 @@
ret = get_errno(mknod(p, arg2, arg3));
unlock_user(p, arg1, 0);
break;
+#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
+ case TARGET_NR_mknodat:
+ 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_mknodat(arg1, p, arg3, arg4));
+ if (p)
+ unlock_user(p, arg2, 0);
+ break;
+#endif
case TARGET_NR_chmod:
p = lock_user_string(arg1);
ret = get_errno(chmod(p, arg2));
Index: qemu/linux-user/arm/syscall_nr.h
===================================================================
--- qemu.orig/linux-user/arm/syscall_nr.h 2007-09-19 06:20:24.000000000 -0600
+++ qemu/linux-user/arm/syscall_nr.h 2007-09-19 06:21:07.000000000 -0600
@@ -327,5 +327,6 @@
#define TARGET_NR_set_mempolicy 321
#define TARGET_NR_openat 322
#define TARGET_NR_mkdirat 323
+#define TARGET_NR_mknodat 324
#define TARGET_NR_futimesat 326
#define TARGET_NR_utimensat 348
