Upgrade to V8 3.6
Merge V8 at 3.6.6.11
Simple merge required updates to makefiles only.
Bug: 5688872
Change-Id: Ib38b7ffbcd409585f6cb6fccc59c767029cecc77
diff --git a/tools/codemap.js b/tools/codemap.js
index dec494a..129179e 100644
--- a/tools/codemap.js
+++ b/tools/codemap.js
@@ -79,6 +79,7 @@
* @param {CodeMap.CodeEntry} codeEntry Code entry object.
*/
CodeMap.prototype.addCode = function(start, codeEntry) {
+ this.deleteAllCoveredNodes_(this.dynamics_, start, start + codeEntry.size);
this.dynamics_.insert(start, codeEntry);
};
@@ -92,6 +93,7 @@
*/
CodeMap.prototype.moveCode = function(from, to) {
var removedNode = this.dynamics_.remove(from);
+ this.deleteAllCoveredNodes_(this.dynamics_, to, to + removedNode.value.size);
this.dynamics_.insert(to, removedNode.value);
};
@@ -146,6 +148,23 @@
/**
* @private
*/
+CodeMap.prototype.deleteAllCoveredNodes_ = function(tree, start, end) {
+ var to_delete = [];
+ var addr = end - 1;
+ while (addr >= start) {
+ var node = tree.findGreatestLessThan(addr);
+ if (!node) break;
+ var start2 = node.key, end2 = start2 + node.value.size;
+ if (start2 < end && start < end2) to_delete.push(start2);
+ addr = start2 - 1;
+ }
+ for (var i = 0, l = to_delete.length; i < l; ++i) tree.remove(to_delete[i]);
+};
+
+
+/**
+ * @private
+ */
CodeMap.prototype.isAddressBelongsTo_ = function(addr, node) {
return addr >= node.key && addr < (node.key + node.value.size);
};