This patch adds the mkdirat syscall to linux-user.
Index: qemu/linux-user/syscall.c
===================================================================
--- qemu.orig/linux-user/syscall.c 2007-09-19 06:19:38.000000000 -0600
+++ qemu/linux-user/syscall.c 2007-09-19 06:20:59.000000000 -0600
@@ -155,6 +155,7 @@
#define __NR_sys_getcwd1 __NR_getcwd
#define __NR_sys_getdents __NR_getdents
#define __NR_sys_getdents64 __NR_getdents64
+#define __NR_sys_mkdirat __NR_mkdirat
#define __NR_sys_openat __NR_openat
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
#define __NR_sys_syslog __NR_syslog
@@ -185,6 +186,9 @@
#endif
_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
loff_t *, res, uint, wh);
+#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_openat) && defined(__NR_openat)
_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
#endif
@@ -2973,6 +2977,21 @@
ret = get_errno(mkdir(p, arg2));
unlock_user(p, arg1, 0);
break;
+#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
+ case TARGET_NR_mkdirat:
+ 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_mkdirat(arg1, p, arg3));
+ if (p)
+ unlock_user(p, arg2, 0);
+ break;
+#endif
case TARGET_NR_rmdir:
p = lock_user_string(arg1);
ret = get_errno(rmdir(p));
Index: qemu/linux-user/arm/syscall_nr.h
===================================================================
--- qemu.orig/linux-user/arm/syscall_nr.h 2007-09-19 06:19:07.000000000 -0600
+++ qemu/linux-user/arm/syscall_nr.h 2007-09-19 06:20:24.000000000 -0600
@@ -326,5 +326,6 @@
#define TARGET_NR_get_mempolicy 320
#define TARGET_NR_set_mempolicy 321
#define TARGET_NR_openat 322
+#define TARGET_NR_mkdirat 323
#define TARGET_NR_futimesat 326
#define TARGET_NR_utimensat 348
