From 4daf2efc796f8736a48491b76e3d09b576e7a325 Mon Sep 17 00:00:00 2001
From: bdemsky <bdemsky>
Date: Thu, 2 Jul 2009 04:07:34 +0000
Subject: [PATCH] add native copy method
---
Robust/src/ClassLibrary/System.java | 2 ++
Robust/src/Runtime/runtime.c | 39 +++++++++++++++++++++++++++++
2 files changed, 41 insertions(+)
diff --git a/Robust/src/ClassLibrary/System.java b/Robust/src/ClassLibrary/System.java
index ef6caa03..1aa3d089 100644
--- a/Robust/src/ClassLibrary/System.java
+++ b/Robust/src/ClassLibrary/System.java
@@ -52,4 +52,6 @@ public class System {
public static native void rangePrefetch(Object o, short[] offsets);
+ public static native void deepArrayCopy(Object dst, Object src);
+
}
diff --git a/Robust/src/Runtime/runtime.c b/Robust/src/Runtime/runtime.c
index c175242f..e7de7f78 100644
--- a/Robust/src/Runtime/runtime.c
+++ b/Robust/src/Runtime/runtime.c
@@ -140,6 +140,45 @@ int CALL12(___String______convertdoubletochar____D__AR_C, double ___val___, doub
return num;
}
#endif
+#ifdef D___System______deepArrayCopy____L___Object____L___Object___
+void deepArrayCopy(struct ___Object___ * dst, struct ___Object___ * src) {
+ int dsttype=((int *)dst)[0];
+ int srctype=((int *)src)[0];
+ if (dsttype<NUMCLASSES||srctype<NUMCLASSES||srctype!=dsttype)
+ return;
+ struct ArrayObject *aodst=(struct ArrayObject *)dst;
+ struct ArrayObject *aosrc=(struct ArrayObject *)src;
+ int dstlength=aodst->___length___;
+ int srclength=aosrc->___length___;
+ if (dstlength!=srclength)
+ return;
+ unsigned INTPTR *pointer=pointerarray[srctype];
+ if (pointer==0) {
+ int elementsize=classsize[srctype];
+ int size=srclength*elementsize;
+ //primitives
+ memcpy(((char *)&aodst->___length___)+sizeof(int) , ((char *)&aosrc->___length___)+sizeof(int), size);
+ } else {
+ //objects
+ int i;
+ for(i=0;i<srclength;i++) {
+ struct ___Object___ * ptr=((struct ___Object___**)(((char*) &aosrc->___length___)+sizeof(int)))[i];
+ int ptrtype=((int *)ptr)[0];
+ if (ptrtype>=NUMCLASSES) {
+ struct ___Object___ * dstptr=((struct ___Object___**)(((char*) &aodst->___length___)+sizeof(int)))[i];
+ deepArrayCopy(dstptr,ptr);
+ } else {
+ //hit an object
+ ((struct ___Object___ **)(((char*) &aodst->___length___)+sizeof(int)))[i]=ptr;
+ }
+ }
+ }
+}
+
+void CALL02(___System______deepArrayCopy____L___Object____L___Object___, struct ___Object___ * ___dst___, struct ___Object___ * ___src___) {
+ deepArrayCopy(VAR(___dst___), VAR(___src___));
+}
+#endif
void CALL11(___System______exit____I,int ___status___, int ___status___) {
#ifdef TRANSSTATS
--
2.34.1