more syscall stubs

[nestedvm.git] / src / org / ibex / nestedvm / UnixRuntime.java

diff --git a/src/org/ibex/nestedvm/UnixRuntime.java b/src/org/ibex/nestedvm/UnixRuntime.java
index ac1b595..71368d8 100644 (file)
--- a/src/org/ibex/nestedvm/UnixRuntime.java
+++ b/src/org/ibex/nestedvm/UnixRuntime.java
@@ -167,7 +167,14 @@ public abstract class UnixRuntime extends Runtime implements Cloneable {
             case SYS_sendto: return sys_sendto(a,b,c,d,e,f);
             case SYS_recvfrom: return sys_recvfrom(a,b,c,d,e,f);
             case SYS_select: return sys_select(a,b,c,d,e);
-
+            case SYS_access: return sys_access(a,b);
+            case SYS_realpath: return sys_realpath(a,b);
+            case SYS_chown: return sys_chown(a,b,c);
+            case SYS_lchown: return sys_chown(a,b,c);
+            case SYS_fchown: return sys_fchown(a,b,c);
+            case SYS_chmod: return sys_chmod(a,b,c);
+            case SYS_fchmod: return sys_fchmod(a,b,c);
+            
             default: return super._syscall(syscall,a,b,c,d,e,f);
         }
     }
@@ -179,6 +186,36 @@ public abstract class UnixRuntime extends Runtime implements Cloneable {
     private int sys_getppid() {
         return parent == null ? 1 : parent.pid;
     }
+    
+    private int sys_chown(int fileAddr, int uid, int gid) {
+        return 0;
+    }
+    private int sys_lchown(int fileAddr, int uid, int gid) {
+        return 0;
+    }
+    private int sys_fchown(int fd, int uid, int gid) {
+        return 0;
+    }
+    private int sys_chmod(int fileAddr, int uid, int gid) {
+        return 0;
+    }
+    private int sys_fchmod(int fd, int uid, int gid) {
+        return 0;
+    }
+    
+    
+    private int sys_access(int cstring, int mode) throws ErrnoException, ReadFaultException {
+        // FEATURE: sys_access
+        return gs.stat(this,cstring(cstring)) == null ? -ENOENT : 0;
+    }
+    
+    private int sys_realpath(int inAddr, int outAddr) throws FaultException {
+        String s = normalizePath(cstring(inAddr));
+        byte[] b = getNullTerminatedBytes(s);
+        if(b.length > PATH_MAX) return -ERANGE;
+        copyout(b,outAddr,b.length);
+        return 0;
+    }
 
     // FEATURE: Signal handling
     // check flag only on backwards jumps to basic blocks without compulsatory checks 
@@ -1414,7 +1451,7 @@ public abstract class UnixRuntime extends Runtime implements Cloneable {
         
         private static File getParentFile(File f) {
             String p = f.getParent();
-            return p == null ? null : new File(f,p);
+            return p == null ? null : new File(p);
         }
         
         public class HostDirFD extends DirFD {