jdk.internal.org.objectweb.asm.tree.analysis.BasicValue Java Examples
The following examples show how to use
jdk.internal.org.objectweb.asm.tree.analysis.BasicValue.
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
| Source File: CheckClassAdapter.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* Checks a given class.
*
* @param cr
* a <code>ClassReader</code> that contains bytecode for the
* analysis.
* @param loader
* a <code>ClassLoader</code> which will be used to load
* referenced classes. This is useful if you are verifiying
* multiple interdependent classes.
* @param dump
* true if bytecode should be printed out not only when errors
* are found.
* @param pw
* write where results going to be printed
*/
public static void verify(final ClassReader cr, final ClassLoader loader,
final boolean dump, final PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn, false), ClassReader.SKIP_DEBUG);
Type syperType = cn.superName == null ? null : Type
.getObjectType(cn.superName);
List<MethodNode> methods = cn.methods;
List<Type> interfaces = new ArrayList<Type>();
for (Iterator<String> i = cn.interfaces.iterator(); i.hasNext();) {
interfaces.add(Type.getObjectType(i.next()));
}
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = methods.get(i);
SimpleVerifier verifier = new SimpleVerifier(
Type.getObjectType(cn.name), syperType, interfaces,
(cn.access & Opcodes.ACC_INTERFACE) != 0);
Analyzer<BasicValue> a = new Analyzer<BasicValue>(verifier);
if (loader != null) {
verifier.setClassLoader(loader);
}
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace(pw);
}
printAnalyzerResult(method, a, pw);
}
pw.flush();
}
Example #2
| Source File: CheckClassAdapter.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Checks a given class.
*
* @param cr
* a <code>ClassReader</code> that contains bytecode for the
* analysis.
* @param loader
* a <code>ClassLoader</code> which will be used to load
* referenced classes. This is useful if you are verifiying
* multiple interdependent classes.
* @param dump
* true if bytecode should be printed out not only when errors
* are found.
* @param pw
* write where results going to be printed
*/
public static void verify(final ClassReader cr, final ClassLoader loader,
final boolean dump, final PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn, false), ClassReader.SKIP_DEBUG);
Type syperType = cn.superName == null ? null : Type
.getObjectType(cn.superName);
List<MethodNode> methods = cn.methods;
List<Type> interfaces = new ArrayList<Type>();
for (Iterator<String> i = cn.interfaces.iterator(); i.hasNext();) {
interfaces.add(Type.getObjectType(i.next()));
}
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = methods.get(i);
SimpleVerifier verifier = new SimpleVerifier(
Type.getObjectType(cn.name), syperType, interfaces,
(cn.access & Opcodes.ACC_INTERFACE) != 0);
Analyzer<BasicValue> a = new Analyzer<BasicValue>(verifier);
if (loader != null) {
verifier.setClassLoader(loader);
}
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace(pw);
}
printAnalyzerResult(method, a, pw);
}
pw.flush();
}
Example #3
| Source File: CheckClassAdapter.java From hottub with GNU General Public License v2.0 | 5 votes |
|
/**
* Checks a given class.
*
* @param cr
* a <code>ClassReader</code> that contains bytecode for the
* analysis.
* @param loader
* a <code>ClassLoader</code> which will be used to load
* referenced classes. This is useful if you are verifiying
* multiple interdependent classes.
* @param dump
* true if bytecode should be printed out not only when errors
* are found.
* @param pw
* write where results going to be printed
*/
public static void verify(final ClassReader cr, final ClassLoader loader,
final boolean dump, final PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn, false), ClassReader.SKIP_DEBUG);
Type syperType = cn.superName == null ? null : Type
.getObjectType(cn.superName);
List<MethodNode> methods = cn.methods;
List<Type> interfaces = new ArrayList<Type>();
for (Iterator<String> i = cn.interfaces.iterator(); i.hasNext();) {
interfaces.add(Type.getObjectType(i.next()));
}
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = methods.get(i);
SimpleVerifier verifier = new SimpleVerifier(
Type.getObjectType(cn.name), syperType, interfaces,
(cn.access & Opcodes.ACC_INTERFACE) != 0);
Analyzer<BasicValue> a = new Analyzer<BasicValue>(verifier);
if (loader != null) {
verifier.setClassLoader(loader);
}
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace(pw);
}
printAnalyzerResult(method, a, pw);
}
pw.flush();
}
Example #4
| Source File: CheckClassAdapter.java From hottub with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuilder sb = new StringBuilder();
Frame<BasicValue> f = frames[j];
if (f == null) {
sb.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
sb.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
sb.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
sb.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (sb.length() < method.maxStack + method.maxLocals + 1) {
sb.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + sb + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
Example #5
| Source File: CheckMethodAdapter.java From hottub with GNU General Public License v2.0 | 5 votes |
|
/**
* Constructs a new {@link CheckMethodAdapter} object. This method adapter
* will perform basic data flow checks. For instance in a method whose
* signature is <tt>void m ()</tt>, the invalid instruction IRETURN, or the
* invalid sequence IADD L2I will be detected.
*
* @param access
* the method's access flags.
* @param name
* the method's name.
* @param desc
* the method's descriptor (see {@link Type Type}).
* @param cmv
* the method visitor to which this adapter must delegate calls.
* @param labels
* a map of already visited labels (in other methods).
*/
public CheckMethodAdapter(final int access, final String name,
final String desc, final MethodVisitor cmv,
final Map<Label, Integer> labels) {
this(new MethodNode(Opcodes.ASM5, access, name, desc, null, null) {
@Override
public void visitEnd() {
Analyzer<BasicValue> a = new Analyzer<BasicValue>(
new BasicVerifier());
try {
a.analyze("dummy", this);
} catch (Exception e) {
if (e instanceof IndexOutOfBoundsException
&& maxLocals == 0 && maxStack == 0) {
throw new RuntimeException(
"Data flow checking option requires valid, non zero maxLocals and maxStack values.");
}
e.printStackTrace();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
CheckClassAdapter.printAnalyzerResult(this, a, pw);
pw.close();
throw new RuntimeException(e.getMessage() + ' '
+ sw.toString());
}
accept(cmv);
}
}, labels);
this.access = access;
}
Example #6
| Source File: CheckClassAdapter.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
/**
* Checks a given class.
*
* @param cr
* a <code>ClassReader</code> that contains bytecode for the
* analysis.
* @param loader
* a <code>ClassLoader</code> which will be used to load
* referenced classes. This is useful if you are verifiying
* multiple interdependent classes.
* @param dump
* true if bytecode should be printed out not only when errors
* are found.
* @param pw
* write where results going to be printed
*/
public static void verify(final ClassReader cr, final ClassLoader loader,
final boolean dump, final PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn, false), ClassReader.SKIP_DEBUG);
Type syperType = cn.superName == null ? null : Type
.getObjectType(cn.superName);
List<MethodNode> methods = cn.methods;
List<Type> interfaces = new ArrayList<Type>();
for (Iterator<String> i = cn.interfaces.iterator(); i.hasNext();) {
interfaces.add(Type.getObjectType(i.next()));
}
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = methods.get(i);
SimpleVerifier verifier = new SimpleVerifier(
Type.getObjectType(cn.name), syperType, interfaces,
(cn.access & Opcodes.ACC_INTERFACE) != 0);
Analyzer<BasicValue> a = new Analyzer<BasicValue>(verifier);
if (loader != null) {
verifier.setClassLoader(loader);
}
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace(pw);
}
printAnalyzerResult(method, a, pw);
}
pw.flush();
}
Example #7
| Source File: CheckClassAdapter.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuffer s = new StringBuffer();
Frame<BasicValue> f = frames[j];
if (f == null) {
s.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
s.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
s.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
s.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (s.length() < method.maxStack + method.maxLocals + 1) {
s.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + s + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
Example #8
| Source File: CheckMethodAdapter.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
/**
* Constructs a new {@link CheckMethodAdapter} object. This method adapter
* will perform basic data flow checks. For instance in a method whose
* signature is <tt>void m ()</tt>, the invalid instruction IRETURN, or the
* invalid sequence IADD L2I will be detected.
*
* @param access
* the method's access flags.
* @param name
* the method's name.
* @param desc
* the method's descriptor (see {@link Type Type}).
* @param cmv
* the method visitor to which this adapter must delegate calls.
* @param labels
* a map of already visited labels (in other methods).
*/
public CheckMethodAdapter(final int access, final String name,
final String desc, final MethodVisitor cmv,
final Map<Label, Integer> labels) {
this(new MethodNode(Opcodes.ASM5, access, name, desc, null, null) {
@Override
public void visitEnd() {
Analyzer<BasicValue> a = new Analyzer<BasicValue>(
new BasicVerifier());
try {
a.analyze("dummy", this);
} catch (Exception e) {
if (e instanceof IndexOutOfBoundsException
&& maxLocals == 0 && maxStack == 0) {
throw new RuntimeException(
"Data flow checking option requires valid, non zero maxLocals and maxStack values.");
}
e.printStackTrace();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
CheckClassAdapter.printAnalyzerResult(this, a, pw);
pw.close();
throw new RuntimeException(e.getMessage() + ' '
+ sw.toString());
}
accept(cmv);
}
}, labels);
this.access = access;
}
Example #9
| Source File: CheckClassAdapter.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
/**
* Checks a given class.
*
* @param cr
* a <code>ClassReader</code> that contains bytecode for the
* analysis.
* @param loader
* a <code>ClassLoader</code> which will be used to load
* referenced classes. This is useful if you are verifiying
* multiple interdependent classes.
* @param dump
* true if bytecode should be printed out not only when errors
* are found.
* @param pw
* write where results going to be printed
*/
public static void verify(final ClassReader cr, final ClassLoader loader,
final boolean dump, final PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn, false), ClassReader.SKIP_DEBUG);
Type syperType = cn.superName == null ? null : Type
.getObjectType(cn.superName);
List<MethodNode> methods = cn.methods;
List<Type> interfaces = new ArrayList<Type>();
for (Iterator<String> i = cn.interfaces.iterator(); i.hasNext();) {
interfaces.add(Type.getObjectType(i.next()));
}
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = methods.get(i);
SimpleVerifier verifier = new SimpleVerifier(
Type.getObjectType(cn.name), syperType, interfaces,
(cn.access & Opcodes.ACC_INTERFACE) != 0);
Analyzer<BasicValue> a = new Analyzer<BasicValue>(verifier);
if (loader != null) {
verifier.setClassLoader(loader);
}
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace(pw);
}
printAnalyzerResult(method, a, pw);
}
pw.flush();
}
Example #10
| Source File: CheckClassAdapter.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuffer s = new StringBuffer();
Frame<BasicValue> f = frames[j];
if (f == null) {
s.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
s.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
s.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
s.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (s.length() < method.maxStack + method.maxLocals + 1) {
s.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + s + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
Example #11
| Source File: CheckMethodAdapter.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
/**
* Constructs a new {@link CheckMethodAdapter} object. This method adapter
* will perform basic data flow checks. For instance in a method whose
* signature is <tt>void m ()</tt>, the invalid instruction IRETURN, or the
* invalid sequence IADD L2I will be detected.
*
* @param access
* the method's access flags.
* @param name
* the method's name.
* @param desc
* the method's descriptor (see {@link Type Type}).
* @param cmv
* the method visitor to which this adapter must delegate calls.
* @param labels
* a map of already visited labels (in other methods).
*/
public CheckMethodAdapter(final int access, final String name,
final String desc, final MethodVisitor cmv,
final Map<Label, Integer> labels) {
this(new MethodNode(Opcodes.ASM5, access, name, desc, null, null) {
@Override
public void visitEnd() {
Analyzer<BasicValue> a = new Analyzer<BasicValue>(
new BasicVerifier());
try {
a.analyze("dummy", this);
} catch (Exception e) {
if (e instanceof IndexOutOfBoundsException
&& maxLocals == 0 && maxStack == 0) {
throw new RuntimeException(
"Data flow checking option requires valid, non zero maxLocals and maxStack values.");
}
e.printStackTrace();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
CheckClassAdapter.printAnalyzerResult(this, a, pw);
pw.close();
throw new RuntimeException(e.getMessage() + ' '
+ sw.toString());
}
accept(cmv);
}
}, labels);
this.access = access;
}
Example #12
| Source File: CheckMethodAdapter.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Constructs a new {@link CheckMethodAdapter} object. This method adapter
* will perform basic data flow checks. For instance in a method whose
* signature is <tt>void m ()</tt>, the invalid instruction IRETURN, or the
* invalid sequence IADD L2I will be detected.
*
* @param access
* the method's access flags.
* @param name
* the method's name.
* @param desc
* the method's descriptor (see {@link Type Type}).
* @param cmv
* the method visitor to which this adapter must delegate calls.
* @param labels
* a map of already visited labels (in other methods).
*/
public CheckMethodAdapter(final int access, final String name,
final String desc, final MethodVisitor cmv,
final Map<Label, Integer> labels) {
this(new MethodNode(Opcodes.ASM5, access, name, desc, null, null) {
@Override
public void visitEnd() {
Analyzer<BasicValue> a = new Analyzer<BasicValue>(
new BasicVerifier());
try {
a.analyze("dummy", this);
} catch (Exception e) {
if (e instanceof IndexOutOfBoundsException
&& maxLocals == 0 && maxStack == 0) {
throw new RuntimeException(
"Data flow checking option requires valid, non zero maxLocals and maxStack values.");
}
e.printStackTrace();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
CheckClassAdapter.printAnalyzerResult(this, a, pw);
pw.close();
throw new RuntimeException(e.getMessage() + ' '
+ sw.toString());
}
accept(cmv);
}
}, labels);
this.access = access;
}
Example #13
| Source File: CheckClassAdapter.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuilder sb = new StringBuilder();
Frame<BasicValue> f = frames[j];
if (f == null) {
sb.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
sb.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
sb.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
sb.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (sb.length() < method.maxStack + method.maxLocals + 1) {
sb.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + sb + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
Example #14
| Source File: CheckMethodAdapter.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Constructs a new {@link CheckMethodAdapter} object. This method adapter
* will perform basic data flow checks. For instance in a method whose
* signature is <tt>void m ()</tt>, the invalid instruction IRETURN, or the
* invalid sequence IADD L2I will be detected.
*
* @param access
* the method's access flags.
* @param name
* the method's name.
* @param desc
* the method's descriptor (see {@link Type Type}).
* @param cmv
* the method visitor to which this adapter must delegate calls.
* @param labels
* a map of already visited labels (in other methods).
*/
public CheckMethodAdapter(final int access, final String name,
final String desc, final MethodVisitor cmv,
final Map<Label, Integer> labels) {
this(new MethodNode(Opcodes.ASM5, access, name, desc, null, null) {
@Override
public void visitEnd() {
Analyzer<BasicValue> a = new Analyzer<BasicValue>(
new BasicVerifier());
try {
a.analyze("dummy", this);
} catch (Exception e) {
if (e instanceof IndexOutOfBoundsException
&& maxLocals == 0 && maxStack == 0) {
throw new RuntimeException(
"Data flow checking option requires valid, non zero maxLocals and maxStack values.");
}
e.printStackTrace();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
CheckClassAdapter.printAnalyzerResult(this, a, pw);
pw.close();
throw new RuntimeException(e.getMessage() + ' '
+ sw.toString());
}
accept(cmv);
}
}, labels);
this.access = access;
}
Example #15
| Source File: CheckClassAdapter.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Checks a given class.
*
* @param cr
* a <code>ClassReader</code> that contains bytecode for the
* analysis.
* @param loader
* a <code>ClassLoader</code> which will be used to load
* referenced classes. This is useful if you are verifiying
* multiple interdependent classes.
* @param dump
* true if bytecode should be printed out not only when errors
* are found.
* @param pw
* write where results going to be printed
*/
public static void verify(final ClassReader cr, final ClassLoader loader,
final boolean dump, final PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn, false), ClassReader.SKIP_DEBUG);
Type syperType = cn.superName == null ? null : Type
.getObjectType(cn.superName);
List<MethodNode> methods = cn.methods;
List<Type> interfaces = new ArrayList<Type>();
for (Iterator<String> i = cn.interfaces.iterator(); i.hasNext();) {
interfaces.add(Type.getObjectType(i.next()));
}
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = methods.get(i);
SimpleVerifier verifier = new SimpleVerifier(
Type.getObjectType(cn.name), syperType, interfaces,
(cn.access & Opcodes.ACC_INTERFACE) != 0);
Analyzer<BasicValue> a = new Analyzer<BasicValue>(verifier);
if (loader != null) {
verifier.setClassLoader(loader);
}
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace(pw);
}
printAnalyzerResult(method, a, pw);
}
pw.flush();
}
Example #16
| Source File: CheckClassAdapter.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuilder sb = new StringBuilder();
Frame<BasicValue> f = frames[j];
if (f == null) {
sb.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
sb.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
sb.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
sb.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (sb.length() < method.maxStack + method.maxLocals + 1) {
sb.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + sb + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
Example #17
| Source File: CheckMethodAdapter.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Constructs a new {@link CheckMethodAdapter} object. This method adapter
* will perform basic data flow checks. For instance in a method whose
* signature is <tt>void m ()</tt>, the invalid instruction IRETURN, or the
* invalid sequence IADD L2I will be detected.
*
* @param access
* the method's access flags.
* @param name
* the method's name.
* @param desc
* the method's descriptor (see {@link Type Type}).
* @param cmv
* the method visitor to which this adapter must delegate calls.
* @param labels
* a map of already visited labels (in other methods).
*/
public CheckMethodAdapter(final int access, final String name,
final String desc, final MethodVisitor cmv,
final Map<Label, Integer> labels) {
this(new MethodNode(Opcodes.ASM5, access, name, desc, null, null) {
@Override
public void visitEnd() {
Analyzer<BasicValue> a = new Analyzer<BasicValue>(
new BasicVerifier());
try {
a.analyze("dummy", this);
} catch (Exception e) {
if (e instanceof IndexOutOfBoundsException
&& maxLocals == 0 && maxStack == 0) {
throw new RuntimeException(
"Data flow checking option requires valid, non zero maxLocals and maxStack values.");
}
e.printStackTrace();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
CheckClassAdapter.printAnalyzerResult(this, a, pw);
pw.close();
throw new RuntimeException(e.getMessage() + ' '
+ sw.toString());
}
accept(cmv);
}
}, labels);
this.access = access;
}
Example #18
| Source File: CheckClassAdapter.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Checks a given class.
*
* @param cr
* a <code>ClassReader</code> that contains bytecode for the
* analysis.
* @param loader
* a <code>ClassLoader</code> which will be used to load
* referenced classes. This is useful if you are verifiying
* multiple interdependent classes.
* @param dump
* true if bytecode should be printed out not only when errors
* are found.
* @param pw
* write where results going to be printed
*/
public static void verify(final ClassReader cr, final ClassLoader loader,
final boolean dump, final PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn, false), ClassReader.SKIP_DEBUG);
Type syperType = cn.superName == null ? null : Type
.getObjectType(cn.superName);
List<MethodNode> methods = cn.methods;
List<Type> interfaces = new ArrayList<Type>();
for (Iterator<String> i = cn.interfaces.iterator(); i.hasNext();) {
interfaces.add(Type.getObjectType(i.next()));
}
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = methods.get(i);
SimpleVerifier verifier = new SimpleVerifier(
Type.getObjectType(cn.name), syperType, interfaces,
(cn.access & Opcodes.ACC_INTERFACE) != 0);
Analyzer<BasicValue> a = new Analyzer<BasicValue>(verifier);
if (loader != null) {
verifier.setClassLoader(loader);
}
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace(pw);
}
printAnalyzerResult(method, a, pw);
}
pw.flush();
}
Example #19
| Source File: CheckClassAdapter.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuilder sb = new StringBuilder();
Frame<BasicValue> f = frames[j];
if (f == null) {
sb.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
sb.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
sb.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
sb.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (sb.length() < method.maxStack + method.maxLocals + 1) {
sb.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + sb + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
Example #20
| Source File: CheckMethodAdapter.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Constructs a new {@link CheckMethodAdapter} object. This method adapter
* will perform basic data flow checks. For instance in a method whose
* signature is <tt>void m ()</tt>, the invalid instruction IRETURN, or the
* invalid sequence IADD L2I will be detected.
*
* @param access
* the method's access flags.
* @param name
* the method's name.
* @param desc
* the method's descriptor (see {@link Type Type}).
* @param cmv
* the method visitor to which this adapter must delegate calls.
* @param labels
* a map of already visited labels (in other methods).
*/
public CheckMethodAdapter(final int access, final String name,
final String desc, final MethodVisitor cmv,
final Map<Label, Integer> labels) {
this(new MethodNode(Opcodes.ASM5, access, name, desc, null, null) {
@Override
public void visitEnd() {
Analyzer<BasicValue> a = new Analyzer<BasicValue>(
new BasicVerifier());
try {
a.analyze("dummy", this);
} catch (Exception e) {
if (e instanceof IndexOutOfBoundsException
&& maxLocals == 0 && maxStack == 0) {
throw new RuntimeException(
"Data flow checking option requires valid, non zero maxLocals and maxStack values.");
}
e.printStackTrace();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
CheckClassAdapter.printAnalyzerResult(this, a, pw);
pw.close();
throw new RuntimeException(e.getMessage() + ' '
+ sw.toString());
}
accept(cmv);
}
}, labels);
this.access = access;
}
Example #21
| Source File: CheckClassAdapter.java From nashorn with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(
MethodNode method,
Analyzer<BasicValue> a,
final PrintWriter pw)
{
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuffer s = new StringBuffer();
Frame<BasicValue> f = frames[j];
if (f == null) {
s.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
s.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
s.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
s.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (s.length() < method.maxStack + method.maxLocals + 1) {
s.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + s + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
Example #22
| Source File: CheckMethodAdapter.java From nashorn with GNU General Public License v2.0 | 5 votes |
|
/**
* Constructs a new {@link CheckMethodAdapter} object. This method adapter
* will perform basic data flow checks. For instance in a method whose
* signature is <tt>void m ()</tt>, the invalid instruction IRETURN, or the
* invalid sequence IADD L2I will be detected.
*
* @param access the method's access flags.
* @param name the method's name.
* @param desc the method's descriptor (see {@link Type Type}).
* @param cmv the method visitor to which this adapter must delegate calls.
* @param labels a map of already visited labels (in other methods).
*/
public CheckMethodAdapter(
final int access,
final String name,
final String desc,
final MethodVisitor cmv,
final Map<Label, Integer> labels)
{
this(new MethodNode(access, name, desc, null, null) {
@Override
public void visitEnd() {
Analyzer<BasicValue> a = new Analyzer<BasicValue>(new BasicVerifier());
try {
a.analyze("dummy", this);
} catch (Exception e) {
if (e instanceof IndexOutOfBoundsException
&& maxLocals == 0 && maxStack == 0)
{
throw new RuntimeException("Data flow checking option requires valid, non zero maxLocals and maxStack values.");
}
e.printStackTrace();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
CheckClassAdapter.printAnalyzerResult(this, a, pw);
pw.close();
throw new RuntimeException(e.getMessage() + ' '
+ sw.toString());
}
accept(cmv);
}
},
labels);
}
Example #23
| Source File: CheckClassAdapter.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuilder sb = new StringBuilder();
Frame<BasicValue> f = frames[j];
if (f == null) {
sb.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
sb.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
sb.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
sb.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (sb.length() < method.maxStack + method.maxLocals + 1) {
sb.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + sb + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
Example #24
| Source File: CheckClassAdapter.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuilder sb = new StringBuilder();
Frame<BasicValue> f = frames[j];
if (f == null) {
sb.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
sb.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
sb.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
sb.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (sb.length() < method.maxStack + method.maxLocals + 1) {
sb.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + sb + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
Example #25
| Source File: CheckMethodAdapter.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Constructs a new {@link CheckMethodAdapter} object. This method adapter
* will perform basic data flow checks. For instance in a method whose
* signature is <tt>void m ()</tt>, the invalid instruction IRETURN, or the
* invalid sequence IADD L2I will be detected.
*
* @param access
* the method's access flags.
* @param name
* the method's name.
* @param desc
* the method's descriptor (see {@link Type Type}).
* @param cmv
* the method visitor to which this adapter must delegate calls.
* @param labels
* a map of already visited labels (in other methods).
*/
public CheckMethodAdapter(final int access, final String name,
final String desc, final MethodVisitor cmv,
final Map<Label, Integer> labels) {
this(new MethodNode(Opcodes.ASM5, access, name, desc, null, null) {
@Override
public void visitEnd() {
Analyzer<BasicValue> a = new Analyzer<BasicValue>(
new BasicVerifier());
try {
a.analyze("dummy", this);
} catch (Exception e) {
if (e instanceof IndexOutOfBoundsException
&& maxLocals == 0 && maxStack == 0) {
throw new RuntimeException(
"Data flow checking option requires valid, non zero maxLocals and maxStack values.");
}
e.printStackTrace();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
CheckClassAdapter.printAnalyzerResult(this, a, pw);
pw.close();
throw new RuntimeException(e.getMessage() + ' '
+ sw.toString());
}
accept(cmv);
}
}, labels);
this.access = access;
}
Example #26
| Source File: CheckClassAdapter.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
/**
* Checks a given class.
*
* @param cr
* a <code>ClassReader</code> that contains bytecode for the
* analysis.
* @param loader
* a <code>ClassLoader</code> which will be used to load
* referenced classes. This is useful if you are verifiying
* multiple interdependent classes.
* @param dump
* true if bytecode should be printed out not only when errors
* are found.
* @param pw
* write where results going to be printed
*/
public static void verify(final ClassReader cr, final ClassLoader loader,
final boolean dump, final PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn, false), ClassReader.SKIP_DEBUG);
Type syperType = cn.superName == null ? null : Type
.getObjectType(cn.superName);
List<MethodNode> methods = cn.methods;
List<Type> interfaces = new ArrayList<Type>();
for (Iterator<String> i = cn.interfaces.iterator(); i.hasNext();) {
interfaces.add(Type.getObjectType(i.next()));
}
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = methods.get(i);
SimpleVerifier verifier = new SimpleVerifier(
Type.getObjectType(cn.name), syperType, interfaces,
(cn.access & Opcodes.ACC_INTERFACE) != 0);
Analyzer<BasicValue> a = new Analyzer<BasicValue>(verifier);
if (loader != null) {
verifier.setClassLoader(loader);
}
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace(pw);
}
printAnalyzerResult(method, a, pw);
}
pw.flush();
}
Example #27
| Source File: CheckClassAdapter.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuilder sb = new StringBuilder();
Frame<BasicValue> f = frames[j];
if (f == null) {
sb.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
sb.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
sb.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
sb.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (sb.length() < method.maxStack + method.maxLocals + 1) {
sb.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + sb + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
Example #28
| Source File: CheckMethodAdapter.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
/**
* Constructs a new {@link CheckMethodAdapter} object. This method adapter
* will perform basic data flow checks. For instance in a method whose
* signature is <tt>void m ()</tt>, the invalid instruction IRETURN, or the
* invalid sequence IADD L2I will be detected.
*
* @param access
* the method's access flags.
* @param name
* the method's name.
* @param desc
* the method's descriptor (see {@link Type Type}).
* @param cmv
* the method visitor to which this adapter must delegate calls.
* @param labels
* a map of already visited labels (in other methods).
*/
public CheckMethodAdapter(final int access, final String name,
final String desc, final MethodVisitor cmv,
final Map<Label, Integer> labels) {
this(new MethodNode(Opcodes.ASM5, access, name, desc, null, null) {
@Override
public void visitEnd() {
Analyzer<BasicValue> a = new Analyzer<BasicValue>(
new BasicVerifier());
try {
a.analyze("dummy", this);
} catch (Exception e) {
if (e instanceof IndexOutOfBoundsException
&& maxLocals == 0 && maxStack == 0) {
throw new RuntimeException(
"Data flow checking option requires valid, non zero maxLocals and maxStack values.");
}
e.printStackTrace();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
CheckClassAdapter.printAnalyzerResult(this, a, pw);
pw.close();
throw new RuntimeException(e.getMessage() + ' '
+ sw.toString());
}
accept(cmv);
}
}, labels);
this.access = access;
}
Example #29
| Source File: CheckClassAdapter.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
/**
* Checks a given class.
*
* @param cr
* a <code>ClassReader</code> that contains bytecode for the
* analysis.
* @param loader
* a <code>ClassLoader</code> which will be used to load
* referenced classes. This is useful if you are verifiying
* multiple interdependent classes.
* @param dump
* true if bytecode should be printed out not only when errors
* are found.
* @param pw
* write where results going to be printed
*/
public static void verify(final ClassReader cr, final ClassLoader loader,
final boolean dump, final PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn, false), ClassReader.SKIP_DEBUG);
Type syperType = cn.superName == null ? null : Type
.getObjectType(cn.superName);
List<MethodNode> methods = cn.methods;
List<Type> interfaces = new ArrayList<Type>();
for (Iterator<String> i = cn.interfaces.iterator(); i.hasNext();) {
interfaces.add(Type.getObjectType(i.next()));
}
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = methods.get(i);
SimpleVerifier verifier = new SimpleVerifier(
Type.getObjectType(cn.name), syperType, interfaces,
(cn.access & Opcodes.ACC_INTERFACE) != 0);
Analyzer<BasicValue> a = new Analyzer<BasicValue>(verifier);
if (loader != null) {
verifier.setClassLoader(loader);
}
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace(pw);
}
printAnalyzerResult(method, a, pw);
}
pw.flush();
}
Example #30
| Source File: CheckClassAdapter.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuilder sb = new StringBuilder();
Frame<BasicValue> f = frames[j];
if (f == null) {
sb.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
sb.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
sb.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
sb.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (sb.length() < method.maxStack + method.maxLocals + 1) {
sb.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + sb + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
