This patch adds the faccessat syscall to linux-user.
Index: qemu/linux-user/syscall.c
===================================================================
--- qemu.orig/linux-user/syscall.c 2007-09-19 06:28:02.000000000 -0600
+++ qemu/linux-user/syscall.c 2007-09-19 06:28:30.000000000 -0600
@@ -151,6 +151,7 @@
#define __NR_sys_uname __NR_uname
+#define __NR_sys_faccessat __NR_faccessat
#define __NR_sys_fchmodat __NR_fchmodat
#define __NR_sys_fchownat __NR_fchownat
#define __NR_sys_futimesat __NR_futimesat
@@ -183,6 +184,9 @@
}
#endif
_syscall1(int,sys_uname,struct new_utsname *,buf)
+#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
+_syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags)
+#endif
#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
_syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
mode_t,mode,int,flags)
@@ -3037,6 +3041,21 @@
ret = get_errno(access(p, arg2));
unlock_user(p, arg1, 0);
break;
+#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
+ case TARGET_NR_faccessat:
+ 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_faccessat(arg1, p, arg3, arg4));
+ if (p)
+ unlock_user(p, arg2, 0);
+ break;
+#endif
#ifdef TARGET_NR_nice /* not on alpha */
case TARGET_NR_nice:
ret = get_errno(nice(arg1));
Index: qemu/linux-user/arm/syscall_nr.h
===================================================================
--- qemu.orig/linux-user/arm/syscall_nr.h 2007-09-19 06:27:37.000000000 -0600
+++ qemu/linux-user/arm/syscall_nr.h 2007-09-19 06:28:08.000000000 -0600
@@ -336,4 +336,5 @@
#define TARGET_NR_symlinkat 331
#define TARGET_NR_readlinkat 332
#define TARGET_NR_fchmodat 333
+#define TARGET_NR_faccessat 334
#define TARGET_NR_utimensat 348
