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src/share/vm/prims/jvmtiEnvFill.java@abe03600372a (annotated)

src/share/vm/prims/jvmtiEnvFill.java

Sun, 15 Sep 2013 15:28:58 +0200

author

goetz

date

Sun, 15 Sep 2013 15:28:58 +0200

changeset 6470

abe03600372a

parent 1907

c18cbe5936b8

child 6876

710a3c8b516e

permissions

-rw-r--r--

8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
Summary: Implement profiling for c2 jit compilation. Also enable new cppInterpreter features.
Reviewed-by: kvn

duke@435	1	/*
trims@1907	2	* Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	import java.io.*;
duke@435	26	import java.util.*;
duke@435	27
duke@435	28	class jvmtiEnvFill {
duke@435	29
duke@435	30	public static void main(String[] args) throws IOException {
duke@435	31	if (args.length != 3) {
duke@435	32	System.err.println("usage: <filledFile> <stubFile> <resultFile>");
duke@435	33	System.exit(1);
duke@435	34	}
duke@435	35	String filledFN = args[0];
duke@435	36	String stubFN = args[1];
duke@435	37	String resultFN = args[2];
duke@435	38
duke@435	39	SourceFile filledSF = new SourceFile(filledFN);
duke@435	40	SourceFile stubSF = new SourceFile(stubFN);
duke@435	41
duke@435	42
duke@435	43	stubSF.fill(filledSF);
duke@435	44
duke@435	45	PrintWriter out = new PrintWriter(new FileWriter(resultFN));
duke@435	46	stubSF.output(out);
duke@435	47	out.close();
duke@435	48	}
duke@435	49	}
duke@435	50
duke@435	51	class SourceFile {
duke@435	52
duke@435	53	static final String endFilePrefix = "// end file prefix";
duke@435	54	static final String functionPrefix = "JvmtiEnv::";
duke@435	55
duke@435	56	final String fn;
duke@435	57	LineNumberReader in;
duke@435	58	String line;
duke@435	59	List<String> top = new ArrayList<String>();
duke@435	60	List<String> before = new ArrayList<String>();
duke@435	61	boolean inFilePrefix = true;
duke@435	62	List<Function> functions = new ArrayList<Function>();
duke@435	63	Map<String, Function> functionMap = new HashMap<String, Function>();
duke@435	64
duke@435	65	class Function {
duke@435	66	String name;
duke@435	67	String args;
duke@435	68	String compareArgs;
duke@435	69	List comment;
duke@435	70	List<String> body = new ArrayList<String>();
duke@435	71
duke@435	72	Function() throws IOException {
duke@435	73	line = in.readLine();
duke@435	74	String trimmed = line.trim();
duke@435	75	if (!trimmed.startsWith(functionPrefix)) {
duke@435	76	error("expected '" + functionPrefix + "'");
duke@435	77	}
duke@435	78	int index = trimmed.indexOf('(', functionPrefix.length());
duke@435	79	if (index == -1) {
duke@435	80	error("missing open paren");
duke@435	81	}
duke@435	82	name = trimmed.substring(functionPrefix.length(), index);
duke@435	83	int index2 = trimmed.indexOf(')', index);
duke@435	84	if (index2 == -1) {
duke@435	85	error("missing close paren - must be on same line");
duke@435	86	}
duke@435	87	args = trimmed.substring(index+1, index2);
duke@435	88	compareArgs = args.replaceAll("\\s", "");
duke@435	89	String tail = trimmed.substring(index2+1).trim();
duke@435	90	if (!tail.equals("{")) {
duke@435	91	error("function declaration first line must end with open bracket '{', instead got '" +
duke@435	92	tail + "'");
duke@435	93	}
duke@435	94	while(true) {
duke@435	95	line = in.readLine();
duke@435	96	if (line == null) {
duke@435	97	line = ""; // so error does not look wierd
duke@435	98	error("unexpected end of file");
duke@435	99	}
duke@435	100	if (line.startsWith("}")) {
duke@435	101	break;
duke@435	102	}
duke@435	103	body.add(line);
duke@435	104	}
duke@435	105	String expected = "} /* end " + name + " */";
duke@435	106	trimmed = line.replaceAll("\\s","");
duke@435	107	if (!trimmed.equals(expected.replaceAll("\\s",""))) {
duke@435	108	error("function end is malformed - should be: " + expected);
duke@435	109	}
duke@435	110	// copy over the comment prefix
duke@435	111	comment = before;
duke@435	112	before = new ArrayList<String>();
duke@435	113	}
duke@435	114
duke@435	115	void remove() {
duke@435	116	functionMap.remove(name);
duke@435	117	}
duke@435	118
duke@435	119	String fileName() {
duke@435	120	return fn;
duke@435	121	}
duke@435	122
duke@435	123	void fill(Function filledFunc) {
duke@435	124	if (filledFunc == null) {
duke@435	125	System.err.println("Warning: function " + name + " missing from filled file");
duke@435	126	body.add(0, " /*** warning: function added and not filled in ***/");
duke@435	127	} else {
duke@435	128	int fbsize = filledFunc.body.size();
duke@435	129	int bsize = body.size();
duke@435	130	if (fbsize > bsize || !body.subList(bsize-fbsize,bsize).equals(filledFunc.body)) {
duke@435	131	// it has actually been filled in
duke@435	132	body = filledFunc.body;
duke@435	133	if (!compareArgs.equals(filledFunc.compareArgs)) {
duke@435	134	System.err.println("Warning: function " + name +
duke@435	135	": filled and stub arguments differ");
duke@435	136	System.err.println(" old (filled): " + filledFunc.args);
duke@435	137	System.err.println(" new (stub): " + args);
duke@435	138	body.add(0, " /*** warning: arguments changed, were: " +
duke@435	139	filledFunc.args + " ***/");
duke@435	140	}
duke@435	141	}
duke@435	142	filledFunc.remove(); // mark used
duke@435	143	}
duke@435	144	}
duke@435	145
duke@435	146	void output(PrintWriter out) {
duke@435	147	Iterator it = comment.iterator();
duke@435	148	while (it.hasNext()) {
duke@435	149	out.println(it.next());
duke@435	150	}
duke@435	151	out.println("jvmtiError");
duke@435	152	out.print(functionPrefix);
duke@435	153	out.print(name);
duke@435	154	out.print('(');
duke@435	155	out.print(args);
duke@435	156	out.println(") {");
duke@435	157	it = body.iterator();
duke@435	158	while (it.hasNext()) {
duke@435	159	out.println(it.next());
duke@435	160	}
duke@435	161	out.print("} /* end ");
duke@435	162	out.print(name);
duke@435	163	out.println(" */");
duke@435	164	}
duke@435	165	}
duke@435	166
duke@435	167	SourceFile(String fn) throws IOException {
duke@435	168	this.fn = fn;
duke@435	169	Reader reader = new FileReader(fn);
duke@435	170	in = new LineNumberReader(reader);
duke@435	171
duke@435	172	while (readGaps()) {
duke@435	173	Function func = new Function();
duke@435	174	functionMap.put(func.name, func);
duke@435	175	functions.add(func);
duke@435	176	}
duke@435	177
duke@435	178	in.close();
duke@435	179	}
duke@435	180
duke@435	181	void error(String msg) {
duke@435	182	System.err.println("Fatal error parsing file: " + fn);
duke@435	183	System.err.println("Line number: " + in.getLineNumber());
duke@435	184	System.err.println("Error message: " + msg);
duke@435	185	System.err.println("Source line: " + line);
duke@435	186	System.exit(1);
duke@435	187	}
duke@435	188
duke@435	189	boolean readGaps() throws IOException {
duke@435	190	while(true) {
duke@435	191	line = in.readLine();
duke@435	192	if (line == null) {
duke@435	193	return false; // end of file
duke@435	194	}
duke@435	195	if (!inFilePrefix && line.startsWith("}")) {
duke@435	196	error("unexpected close bracket in first column, outside of function.\n");
duke@435	197	}
duke@435	198	String trimmed = line.trim();
duke@435	199	if (line.startsWith("jvmtiError")) {
duke@435	200	if (trimmed.equals("jvmtiError")) {
duke@435	201	if (inFilePrefix) {
duke@435	202	error("unexpected 'jvmtiError' line in file prefix.\n" +
duke@435	203	"is '" + endFilePrefix + "'... line missing?");
duke@435	204	}
duke@435	205	return true; // beginning of a function
duke@435	206	} else {
duke@435	207	error("extra characters at end of 'jvmtiError'");
duke@435	208	}
duke@435	209	}
duke@435	210	if (inFilePrefix) {
duke@435	211	top.add(line);
duke@435	212	} else {
duke@435	213	trimmed = line.trim();
duke@435	214	if (!trimmed.equals("") && !trimmed.startsWith("//") && !trimmed.startsWith("#")) {
duke@435	215	error("only comments and blank lines allowed between functions");
duke@435	216	}
duke@435	217	before.add(line);
duke@435	218	}
duke@435	219	if (line.replaceAll("\\s","").toLowerCase().startsWith(endFilePrefix.replaceAll("\\s",""))) {
duke@435	220	if (!inFilePrefix) {
duke@435	221	error("excess '" + endFilePrefix + "'");
duke@435	222	}
duke@435	223	inFilePrefix = false;
duke@435	224	}
duke@435	225	}
duke@435	226	}
duke@435	227
duke@435	228	void fill(SourceFile filledSF) {
duke@435	229	// copy beginning of file straight from filled file
duke@435	230	top = filledSF.top;
duke@435	231
duke@435	232	// file in functions
duke@435	233	Iterator it = functions.iterator();
duke@435	234	while (it.hasNext()) {
duke@435	235	Function stubFunc = (Function)(it.next());
duke@435	236	Function filledFunc = (Function)filledSF.functionMap.get(stubFunc.name);
duke@435	237	stubFunc.fill(filledFunc);
duke@435	238	}
duke@435	239	if (filledSF.functionMap.size() > 0) {
duke@435	240	System.err.println("Warning: the following functions were present in the " +
duke@435	241	"filled file but missing in the stub file and thus not copied:");
duke@435	242	it = filledSF.functionMap.values().iterator();
duke@435	243	while (it.hasNext()) {
duke@435	244	System.err.println(" " + ((Function)(it.next())).name);
duke@435	245	}
duke@435	246	}
duke@435	247	}
duke@435	248
duke@435	249	void output(PrintWriter out) {
duke@435	250	Iterator it = top.iterator();
duke@435	251	while (it.hasNext()) {
duke@435	252	out.println(it.next());
duke@435	253	}
duke@435	254	it = functions.iterator();
duke@435	255	while (it.hasNext()) {
duke@435	256	Function stubFunc = (Function)(it.next());
duke@435	257	stubFunc.output(out);
duke@435	258	}
duke@435	259	}
duke@435	260	}