| Index: resources/inspector/codemap.js
|
| ===================================================================
|
| --- resources/inspector/codemap.js (revision 33840)
|
| +++ resources/inspector/codemap.js (working copy)
|
| @@ -1,258 +0,0 @@
|
| -// Copyright 2009 the V8 project authors. All rights reserved.
|
| -// Redistribution and use in source and binary forms, with or without
|
| -// modification, are permitted provided that the following conditions are
|
| -// met:
|
| -//
|
| -// * Redistributions of source code must retain the above copyright
|
| -// notice, this list of conditions and the following disclaimer.
|
| -// * Redistributions in binary form must reproduce the above
|
| -// copyright notice, this list of conditions and the following
|
| -// disclaimer in the documentation and/or other materials provided
|
| -// with the distribution.
|
| -// * Neither the name of Google Inc. nor the names of its
|
| -// contributors may be used to endorse or promote products derived
|
| -// from this software without specific prior written permission.
|
| -//
|
| -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
| -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
| -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
| -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
| -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
| -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
| -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
| -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
| -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
| -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
| -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| -
|
| -
|
| -// Initlialize namespaces
|
| -var devtools = devtools || {};
|
| -devtools.profiler = devtools.profiler || {};
|
| -
|
| -
|
| -/**
|
| - * Constructs a mapper that maps addresses into code entries.
|
| - *
|
| - * @constructor
|
| - */
|
| -devtools.profiler.CodeMap = function() {
|
| - /**
|
| - * Dynamic code entries. Used for JIT compiled code.
|
| - */
|
| - this.dynamics_ = new goog.structs.SplayTree();
|
| -
|
| - /**
|
| - * Name generator for entries having duplicate names.
|
| - */
|
| - this.dynamicsNameGen_ = new devtools.profiler.CodeMap.NameGenerator();
|
| -
|
| - /**
|
| - * Static code entries. Used for statically compiled code.
|
| - */
|
| - this.statics_ = new goog.structs.SplayTree();
|
| -
|
| - /**
|
| - * Libraries entries. Used for the whole static code libraries.
|
| - */
|
| - this.libraries_ = new goog.structs.SplayTree();
|
| -
|
| - /**
|
| - * Map of memory pages occupied with static code.
|
| - */
|
| - this.pages_ = [];
|
| -};
|
| -
|
| -
|
| -/**
|
| - * The number of alignment bits in a page address.
|
| - */
|
| -devtools.profiler.CodeMap.PAGE_ALIGNMENT = 12;
|
| -
|
| -
|
| -/**
|
| - * Page size in bytes.
|
| - */
|
| -devtools.profiler.CodeMap.PAGE_SIZE =
|
| - 1 << devtools.profiler.CodeMap.PAGE_ALIGNMENT;
|
| -
|
| -
|
| -/**
|
| - * Adds a dynamic (i.e. moveable and discardable) code entry.
|
| - *
|
| - * @param {number} start The starting address.
|
| - * @param {devtools.profiler.CodeMap.CodeEntry} codeEntry Code entry object.
|
| - */
|
| -devtools.profiler.CodeMap.prototype.addCode = function(start, codeEntry) {
|
| - this.dynamics_.insert(start, codeEntry);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Moves a dynamic code entry. Throws an exception if there is no dynamic
|
| - * code entry with the specified starting address.
|
| - *
|
| - * @param {number} from The starting address of the entry being moved.
|
| - * @param {number} to The destination address.
|
| - */
|
| -devtools.profiler.CodeMap.prototype.moveCode = function(from, to) {
|
| - var removedNode = this.dynamics_.remove(from);
|
| - this.dynamics_.insert(to, removedNode.value);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Discards a dynamic code entry. Throws an exception if there is no dynamic
|
| - * code entry with the specified starting address.
|
| - *
|
| - * @param {number} start The starting address of the entry being deleted.
|
| - */
|
| -devtools.profiler.CodeMap.prototype.deleteCode = function(start) {
|
| - var removedNode = this.dynamics_.remove(start);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Adds a library entry.
|
| - *
|
| - * @param {number} start The starting address.
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| - * @param {devtools.profiler.CodeMap.CodeEntry} codeEntry Code entry object.
|
| - */
|
| -devtools.profiler.CodeMap.prototype.addLibrary = function(
|
| - start, codeEntry) {
|
| - this.markPages_(start, start + codeEntry.size);
|
| - this.libraries_.insert(start, codeEntry);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Adds a static code entry.
|
| - *
|
| - * @param {number} start The starting address.
|
| - * @param {devtools.profiler.CodeMap.CodeEntry} codeEntry Code entry object.
|
| - */
|
| -devtools.profiler.CodeMap.prototype.addStaticCode = function(
|
| - start, codeEntry) {
|
| - this.statics_.insert(start, codeEntry);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * @private
|
| - */
|
| -devtools.profiler.CodeMap.prototype.markPages_ = function(start, end) {
|
| - for (var addr = start; addr <= end;
|
| - addr += devtools.profiler.CodeMap.PAGE_SIZE) {
|
| - this.pages_[addr >>> devtools.profiler.CodeMap.PAGE_ALIGNMENT] = 1;
|
| - }
|
| -};
|
| -
|
| -
|
| -/**
|
| - * @private
|
| - */
|
| -devtools.profiler.CodeMap.prototype.isAddressBelongsTo_ = function(addr, node) {
|
| - return addr >= node.key && addr < (node.key + node.value.size);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * @private
|
| - */
|
| -devtools.profiler.CodeMap.prototype.findInTree_ = function(tree, addr) {
|
| - var node = tree.findGreatestLessThan(addr);
|
| - return node && this.isAddressBelongsTo_(addr, node) ? node.value : null;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Finds a code entry that contains the specified address. Both static and
|
| - * dynamic code entries are considered.
|
| - *
|
| - * @param {number} addr Address.
|
| - */
|
| -devtools.profiler.CodeMap.prototype.findEntry = function(addr) {
|
| - var pageAddr = addr >>> devtools.profiler.CodeMap.PAGE_ALIGNMENT;
|
| - if (pageAddr in this.pages_) {
|
| - // Static code entries can contain "holes" of unnamed code.
|
| - // In this case, the whole library is assigned to this address.
|
| - return this.findInTree_(this.statics_, addr) ||
|
| - this.findInTree_(this.libraries_, addr);
|
| - }
|
| - var min = this.dynamics_.findMin();
|
| - var max = this.dynamics_.findMax();
|
| - if (max != null && addr < (max.key + max.value.size) && addr >= min.key) {
|
| - var dynaEntry = this.findInTree_(this.dynamics_, addr);
|
| - if (dynaEntry == null) return null;
|
| - // Dedupe entry name.
|
| - if (!dynaEntry.nameUpdated_) {
|
| - dynaEntry.name = this.dynamicsNameGen_.getName(dynaEntry.name);
|
| - dynaEntry.nameUpdated_ = true;
|
| - }
|
| - return dynaEntry;
|
| - }
|
| - return null;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns an array of all dynamic code entries.
|
| - */
|
| -devtools.profiler.CodeMap.prototype.getAllDynamicEntries = function() {
|
| - return this.dynamics_.exportValues();
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns an array of all static code entries.
|
| - */
|
| -devtools.profiler.CodeMap.prototype.getAllStaticEntries = function() {
|
| - return this.statics_.exportValues();
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Returns an array of all libraries entries.
|
| - */
|
| -devtools.profiler.CodeMap.prototype.getAllLibrariesEntries = function() {
|
| - return this.libraries_.exportValues();
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Creates a code entry object.
|
| - *
|
| - * @param {number} size Code entry size in bytes.
|
| - * @param {string} opt_name Code entry name.
|
| - * @constructor
|
| - */
|
| -devtools.profiler.CodeMap.CodeEntry = function(size, opt_name) {
|
| - this.size = size;
|
| - this.name = opt_name || '';
|
| - this.nameUpdated_ = false;
|
| -};
|
| -
|
| -
|
| -devtools.profiler.CodeMap.CodeEntry.prototype.getName = function() {
|
| - return this.name;
|
| -};
|
| -
|
| -
|
| -devtools.profiler.CodeMap.CodeEntry.prototype.toString = function() {
|
| - return this.name + ': ' + this.size.toString(16);
|
| -};
|
| -
|
| -
|
| -devtools.profiler.CodeMap.NameGenerator = function() {
|
| - this.knownNames_ = [];
|
| -};
|
| -
|
| -
|
| -devtools.profiler.CodeMap.NameGenerator.prototype.getName = function(name) {
|
| - if (!(name in this.knownNames_)) {
|
| - this.knownNames_[name] = 0;
|
| - return name;
|
| - }
|
| - var count = ++this.knownNames_[name];
|
| - return name + ' {' + count + '}';
|
| -};
|
|
|