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more flexibility to not extract calls for invokedynamic. Potentially, this will break instrumented methods that have massive numbers of invokedynamics in them, but that seems unlikely to happen at least with Java use of invokedynamic so far. We can burn this bridge when we come to it.

This commit is contained in:
Julian Dolby 2017-12-06 19:04:27 +08:00
parent 0286c2b048
commit 5a02cde690
1 changed files with 7 additions and 1 deletions
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8
com.ibm.wala.shrike/src/com/ibm/wala/shrike/cg/OfflineDynamicCallGraph.java
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@ -100,6 +100,7 @@ public class OfflineDynamicCallGraph {
private static boolean patchExits = true;
private static boolean patchCalls = false;
private static boolean extractCalls = true;
private static boolean extractDynamicCalls = false;
private static Class<?> runtime = Runtime.class;
@ -121,6 +122,8 @@ public class OfflineDynamicCallGraph {
patchExits = false;
} else if ("--patch-calls".equals(args[i])) {
patchCalls = true;
} else if ("--extract-dynamic-calls".equals(args[i])) {
extractDynamicCalls = true;
} else if ("--rt-jar".equals(args[i])) {
System.err.println("using " + args[i+1] + " as stdlib");
OfflineInstrumenter libReader = new OfflineInstrumenter();
@ -243,7 +246,10 @@ public class OfflineDynamicCallGraph {
me.visitInstructions(new AddTracingToInvokes() {
@Override
public void visitInvoke(final IInvokeInstruction inv) {
if (inv.getMethodName().equals("<init>") || (r.getAccessFlags()&Constants.ACC_INTERFACE) != 0) {
if (inv.getMethodName().equals("<init>") ||
(r.getAccessFlags()&Constants.ACC_INTERFACE) != 0 ||
(!extractDynamicCalls && inv instanceof InvokeDynamicInstruction))
{
super.visitInvoke(inv);
} else {
this.replaceWith(new MethodEditor.Patch() {