1 cananian 1.1.2.1 // Sizer.java, created Sun Jul 16 21:25:17 2000 by cananian
2 cananian 1.1.2.1 // Copyright (C) 2000 C. Scott Ananian <cananian@alumni.princeton.edu>
3 cananian 1.1.2.1 // Licensed under the terms of the GNU GPL; see COPYING for details.
4 cananian 1.1.2.1 package harpoon.Main;
5 cananian 1.1.2.1
6 cananian 1.1.2.1 import harpoon.Analysis.ClassHierarchy;
7 cananian 1.1.2.1 import harpoon.Analysis.Quads.QuadClassHierarchy;
8 cananian 1.3 import harpoon.Backend.Generic.Frame;
9 salcianu 1.5 import harpoon.Backend.Backend;
10 cananian 1.1.2.2 import harpoon.ClassFile.CachingCodeFactory;
11 cananian 1.1.2.2 import harpoon.ClassFile.HClass;
12 cananian 1.1.2.2 import harpoon.ClassFile.HCode;
13 cananian 1.1.2.2 import harpoon.ClassFile.HCodeFactory;
14 cananian 1.1.2.2 import harpoon.ClassFile.HMethod;
15 cananian 1.1.2.2 import harpoon.ClassFile.Linker;
16 cananian 1.1.2.2 import harpoon.ClassFile.Loader;
17 cananian 1.6 import harpoon.Util.ParseUtil;
18 cananian 1.1.2.2 import java.util.HashSet;
19 cananian 1.1.2.2 import java.util.Iterator;
20 cananian 1.1.2.2 import java.util.List;
21 cananian 1.1.2.2 import java.util.Set;
22 cananian 1.1.2.1 /**
23 cananian 1.1.2.1 * <code>Sizer</code> computes the sizes of all the methods used in
24 cananian 1.1.2.1 * a given program. It is used for generating paper statistics on
25 cananian 1.1.2.1 * our benchmarks.
26 cananian 1.1.2.1 *
27 cananian 1.1.2.1 * @author C. Scott Ananian <cananian@alumni.princeton.edu>
28 cananian 1.7 * @version $Id: Sizer.java,v 1.7 2004/02/08 03:21:38 cananian Exp $
29 cananian 1.1.2.1 */
30 cananian 1.1.2.1 public class Sizer extends harpoon.IR.Registration {
31 salcianu 1.4
32 cananian 1.1.2.1 public static void main(String[] args) {
33 cananian 1.1.2.1 if (args.length!=1) {
34 cananian 1.1.2.1 System.err.println("USAGE: java harpoon.Main.Sizer <classname>");
35 cananian 1.1.2.1 System.exit(1);
36 cananian 1.1.2.1 }
37 cananian 1.6 final Linker linker = Loader.systemLinker;
38 cananian 1.1.2.1 HCodeFactory hcf = harpoon.IR.Bytecode.Code.codeFactory();
39 cananian 1.1.2.1 HCodeFactory bytecode = new CachingCodeFactory(hcf) {
40 cananian 1.1.2.1 public void clear(HMethod m) {
41 cananian 1.1.2.1 /* don't clear our cache, but go ahead and clear our parent */
42 cananian 1.1.2.1 parent.clear(m);
43 cananian 1.1.2.1 }
44 cananian 1.1.2.1 };
45 cananian 1.1.2.1 hcf = new CachingCodeFactory
46 cananian 1.1.2.1 (harpoon.IR.Quads.QuadNoSSA.codeFactory(hcf));
47 cananian 1.1.2.1
48 cananian 1.1.2.1 HClass root = linker.forName(args[0]);
49 cananian 1.1.2.1 HMethod mainMethod = root.getMethod("main", "([Ljava/lang/String;)V");
50 cananian 1.3 // any frame will do:
51 salcianu 1.5 Frame frame = Backend.getFrame(Backend.PRECISEC, mainMethod);
52 cananian 1.6 final Set roots = new HashSet
53 cananian 1.3 (frame.getRuntime().runtimeCallableMethods());
54 cananian 1.1.2.1 roots.add(mainMethod);
55 cananian 1.6 // other roots
56 cananian 1.6 String fileName="myroots";
57 cananian 1.6 try {
58 cananian 1.6 ParseUtil.readResource(fileName, new ParseUtil.StringParser() {
59 cananian 1.6 public void parseString(String s)
60 cananian 1.6 throws ParseUtil.BadLineException {
61 cananian 1.6 if (s.indexOf('(') < 0) // parse as class name.
62 cananian 1.6 roots.add(ParseUtil.parseClass(linker, s));
63 cananian 1.6 else // parse as method name.
64 cananian 1.6 roots.add(ParseUtil.parseMethod(linker, s));
65 cananian 1.6 }
66 cananian 1.6 });
67 cananian 1.6 } catch(java.io.IOException ex) {
68 cananian 1.6 System.err.println("Error reading " + fileName + ": " + ex);
69 cananian 1.6 ex.printStackTrace();
70 cananian 1.6 System.exit(1);
71 cananian 1.6 }
72 cananian 1.6 // okay, now build class hierarchy
73 cananian 1.1.2.1 ClassHierarchy ch = new QuadClassHierarchy(linker, roots, hcf);
74 cananian 1.1.2.1
75 cananian 1.1.2.1 System.out.println("CLASSES: " +
76 cananian 1.1.2.1 ch.classes().size());
77 cananian 1.1.2.1 System.out.println("INSTANTIATED CLASSES: " +
78 cananian 1.1.2.1 ch.instantiatedClasses().size());
79 cananian 1.1.2.1 System.out.println("CALLABLE METHODS: " +
80 cananian 1.1.2.1 ch.callableMethods().size());
81 cananian 1.1.2.1
82 cananian 1.1.2.1 long app_bytecode_size = 0, app_quad_size = 0;
83 cananian 1.1.2.1 long lib_bytecode_size = 0, lib_quad_size = 0;
84 cananian 1.7 for (Object hmO : ch.callableMethods()) {
85 cananian 1.7 HMethod hm = (HMethod) hmO;
86 cananian 1.1.2.1 HCode hcB = bytecode.convert(hm);
87 cananian 1.1.2.1 int bsize = (hcB==null) ? 0 : hcB.getElementsL().size();
88 cananian 1.1.2.1 HCode hcQ = hcf.convert(hm);
89 cananian 1.1.2.1 int qsize = (hcQ==null) ? 0 : hcQ.getElementsL().size();
90 cananian 1.1.2.1 if (hm.getDeclaringClass().getName().startsWith("java") ||
91 cananian 1.1.2.1 hm.getDeclaringClass().getName().startsWith("sun")) {
92 cananian 1.1.2.1 lib_bytecode_size += bsize; lib_quad_size += qsize;
93 cananian 1.1.2.1 } else {
94 cananian 1.1.2.1 app_bytecode_size += bsize; app_quad_size += qsize;
95 cananian 1.1.2.1 }
96 cananian 1.1.2.1 }
97 cananian 1.1.2.1 System.out.println("TOTAL BYTECODE INSTRS: "+
98 cananian 1.1.2.1 (app_bytecode_size + lib_bytecode_size) +
99 cananian 1.1.2.1 " ("+app_bytecode_size+" app / "
100 cananian 1.1.2.1 +lib_bytecode_size+" lib)");
101 cananian 1.1.2.1 System.out.println("TOTAL QUAD INSTRS: "+
102 cananian 1.1.2.1 (app_quad_size + lib_quad_size) +
103 cananian 1.1.2.1 " ("+app_quad_size+" app / "
104 cananian 1.1.2.1 +lib_quad_size+" lib)");
105 cananian 1.1.2.1 }
106 cananian 1.2 }