-Throwable.printStackTrace() patch
-
-Index: Class.h
-===================================================================
-RCS file: /cvs/gcc/gcc/libjava/java/lang/Class.h,v
-retrieving revision 1.43
-diff -u -r1.43 Class.h
---- Class.h 21 Dec 2001 19:47:50 -0000 1.43
-+++ Class.h 24 Apr 2002 03:06:14 -0000
-@@ -308,6 +308,7 @@
- friend void _Jv_LayoutVTableMethods (jclass klass);
- friend void _Jv_SetVTableEntries (jclass, _Jv_VTable *);
- friend void _Jv_MakeVTable (jclass);
-+ friend JArray<java::lang::reflect::Method*>* _Jv_GetAllMethods();
-
- // Return array class corresponding to element type KLASS, creating it if
- // necessary.
-Index: ClassLoader.java
-===================================================================
-RCS file: /cvs/gcc/gcc/libjava/java/lang/ClassLoader.java,v
-retrieving revision 1.16
-diff -u -r1.16 ClassLoader.java
---- ClassLoader.java 7 Dec 2001 23:34:12 -0000 1.16
-+++ ClassLoader.java 24 Apr 2002 03:06:14 -0000
-@@ -577,4 +577,8 @@
- // Default to returning null. Derived classes implement this.
- return null;
- }
-+
-+ static native java.lang.reflect.Method[] getAllMethods();
-+ static native long[] getAllMethodAddrs();
-+
- }
-Index: Throwable.java
-===================================================================
-RCS file: /cvs/gcc/gcc/libjava/java/lang/Throwable.java,v
-retrieving revision 1.10
-diff -u -r1.10 Throwable.java
---- Throwable.java 24 Feb 2001 03:52:49 -0000 1.10
-+++ Throwable.java 24 Apr 2002 03:06:14 -0000
-@@ -123,21 +123,64 @@
- printStackTrace (writer);
- }
-
-+ private native static long longFromStackTraceBytes(byte[] stackTrace, int i);
-+
- public void printStackTrace (PrintWriter wr)
- {
-- try
-- {
-- CPlusPlusDemangler cPlusPlusFilter = new CPlusPlusDemangler (wr);
-- PrintWriter writer = new PrintWriter (cPlusPlusFilter);
-- printRawStackTrace (writer);
-- writer.close ();
-- if (cPlusPlusFilter.written == 0) // The demangler has failed...
-- printRawStackTrace (wr);
-+ try
-+ {
-+ CPlusPlusDemangler cPlusPlusFilter = new CPlusPlusDemangler (wr);
-+ PrintWriter writer = new PrintWriter (cPlusPlusFilter);
-+ printRawStackTrace (writer);
-+ writer.close ();
-+ if (cPlusPlusFilter.written > 0) return;
-+ }
-+ catch (Exception e1)
-+ {
-+ }
-+
-+ wr.println(toString());
-+ if (stackTrace == null) {
-+ wr.flush();
-+ return;
- }
-- catch (Exception e1)
-- {
-- printRawStackTrace (wr);
-+
-+ long[] allAddrs = ClassLoader.getAllMethodAddrs();
-+ java.lang.reflect.Method[] meths = ClassLoader.getAllMethods();
-+
-+ // FIXME: assumes little endian
-+ for(int i=0; i<stackTrace.length; i++) {
-+ long addr = longFromStackTraceBytes(stackTrace, i);
-+ if (addr == 0) break;
-+
-+ int whichMethod = -1;
-+ for(int j=0; j<allAddrs.length; j++) {
-+ if (allAddrs[j] <= addr &&
-+ (whichMethod == -1 || allAddrs[whichMethod] < allAddrs[j])) {
-+ whichMethod = j;
-+ }
-+ }
-+
-+ if (whichMethod == -1) {
-+ wr.println("[" + Long.toString(addr, 16) + "] " + "??");
-+ continue;
-+ }
-+
-+ if (meths[whichMethod].getDeclaringClass().getName().equals("gnu.gcj.runtime.FirstThread") &&
-+ meths[whichMethod].getName().equals("call_main"))
-+ break;
-+
-+ wr.println(" [" + Long.toString(addr, 16) + "] " +
-+ meths[whichMethod].getDeclaringClass().getName() + "." +
-+ meths[whichMethod].getName() + "() " +
-+ "+" + (addr - allAddrs[whichMethod])
-+ );
-+
-+ if (java.lang.Thread.class.isAssignableFrom(meths[whichMethod].getDeclaringClass()) &&
-+ meths[whichMethod].getName().equals("run"))
-+ break;
- }
-+ wr.flush();
- }
-
- public Throwable ()
-Index: natClassLoader.cc
-===================================================================
-RCS file: /cvs/gcc/gcc/libjava/java/lang/natClassLoader.cc,v
-retrieving revision 1.47.8.1
-diff -u -r1.47.8.1 natClassLoader.cc
---- natClassLoader.cc 2 Apr 2002 22:19:55 -0000 1.47.8.1
-+++ natClassLoader.cc 24 Apr 2002 03:06:14 -0000
-@@ -40,6 +40,10 @@
- #include <java/lang/StringBuffer.h>
- #include <java/io/Serializable.h>
- #include <java/lang/Cloneable.h>
-+#include <java/lang/reflect/Method.h>
-+
-+#include<java/lang/reflect/Constructor.h>
-+#include<gcj/method.h>
-
- // FIXME: remove these.
- #define CloneableClass java::lang::Cloneable::class$
-@@ -347,6 +351,50 @@
- static jclass loaded_classes[HASH_LEN];
-
- // This is the root of a linked list of classes
-+
-+JArray<java::lang::reflect::Method*>*
-+java::lang::ClassLoader::getAllMethods()
-+{
-+ return _Jv_GetAllMethods();
-+}
-+
-+JArray<jlong>*
-+java::lang::ClassLoader::getAllMethodAddrs()
-+{
-+ JArray<java::lang::reflect::Method*>* arr = _Jv_GetAllMethods();
-+ java::lang::reflect::Method** el = (java::lang::reflect::Method**)elements(arr);
-+ JArray<jlong>* ret = JvNewLongArray(arr->length);
-+ jlong* retel = (jlong*)elements(ret);
-+ for(int i=0; i<arr->length; i++)
-+ retel[i] = (jlong)((unsigned int)(_Jv_FromReflectedMethod (el[i])->ncode));
-+ return ret;
-+}
-+
-+JArray<java::lang::reflect::Method*>*
-+_Jv_GetAllMethods()
-+{
-+ int numMethods = 0;
-+
-+ for(int i=0; i<HASH_LEN; i++)
-+ for(jclass c = loaded_classes[i]; c; c = c->next)
-+ numMethods += c->getDeclaredMethods()->length;
-+
-+ JArray<java::lang::reflect::Method*>* ret =
-+ (JArray<java::lang::reflect::Method*>*)
-+ JvNewObjectArray(numMethods, &java::lang::reflect::Method::class$, NULL);
-+
-+ java::lang::reflect::Method** el = (java::lang::reflect::Method**)elements(ret);
-+
-+ for(int i=0; i<HASH_LEN; i++)
-+ for(jclass c = loaded_classes[i]; c; c = c->next) {
-+ JArray<java::lang::reflect::Method*>* methods = c->getDeclaredMethods();
-+ jint len = methods->length;
-+ java::lang::reflect::Method** meths = (java::lang::reflect::Method**)elements(methods);
-+ for(int j=0; j<len; j++) el[--numMethods] = meths[j];
-+ }
-+
-+ return ret;
-+}
-
- \f
-
-Index: natThrowable.cc
-===================================================================
-RCS file: /cvs/gcc/gcc/libjava/java/lang/natThrowable.cc,v
-retrieving revision 1.11
-diff -u -r1.11 natThrowable.cc
---- natThrowable.cc 7 Feb 2002 19:26:06 -0000 1.11
-+++ natThrowable.cc 24 Apr 2002 03:06:14 -0000
-@@ -32,6 +32,7 @@
- #include <stdio.h>
-
- #include <unistd.h>
-+#include <platform.h>
-
- #ifdef HAVE_EXECINFO_H
- #include <execinfo.h>
-@@ -102,3 +103,18 @@
- #endif /* HAVE_BACKTRACE */
- wr->flush ();
- }
-+
-+// Returns the i^th call address in the stackTrace member, or 0 if i
-+// is beyond the end of the trace. This has to be done in C++ because
-+// the addresses in stackTrace are the same width as the platform's
-+// pointers (which is unknown to Java code), and stackTrace is a
-+// byte[] using the platform's endianness (which is unknown to Java
-+// code).
-+jlong
-+java::lang::Throwable::longFromStackTraceBytes(jbyteArray stackArr, jint i)
-+{
-+ if (i * sizeof(void*) > stackArr->length) return 0;
-+ unsigned int* stack = (unsigned int*)elements(stackArr);
-+ return (jlong)stack[i];
-+}
-+
-
-
-
-
+Build Requirements
+
+**** STOP! ****
+
+Compiling the engine is Really Hard. Unless you're planning on
+helping develop the engine, you probably don't need (or want) to
+compile it yourself!
+
+There are pre-built, digitally signed binaries on http://dist.xwt.org/
+for every supported platform. Please consider using those unless
+you're absolutely certain you need to go through the trouble of trying
+to get XWT to build. You have been warned. Please do not post to the
+mailing lists asking for help building XWT unless you're genuinely
+interested in helping to develop the engine.
+
+Requirements:
+ - jdk 1.4+
+ - the standard set of POSIX utilities (wc, grep, find, make, etc)
+
+Automatically-Downloaded components:
+ - gcj 3.3+
+ - binutils 2.13+
+ * If you already have a suitably configured gcj 3.3 and binutils
+ 2.13+ you can set "gcc_path" to point at its installation
+ location; otherwise the Makefile will download, configure,
+ compile, and install gcc and binutils in xwt/gcc/
+
+Optional components:
+ - fastjar (builds archives faster)
+ - jikes 1.18 (makes builds go much faster)
+ * If jikes is in your $PATH, the Makefile will find and use it.
+ Otherwise you can type 'make jikes' to download and build jikes.
+
+Build Targets:
+ - compile: compiles all .java files into bin/*.class
+ - Win32: Win95 OSR2 or later
+ - Linux: Linux 2.2 or later
+ - Java2: Any Java 1.2+ compliant JVM
+ - Darwin: Any Darwin-based OS (Mac OS X, OpenDarwin) with an X11 server
+ - clean: cleanup
projects / org.ibex.core.git / blobdiff