gcc/libjava/include/jvm.h
Anthony Green 58eb6e7cef [multiple changes]
1999-08-09  Anthony Green  <green@cygnus.com>

        * gij.cc: New file.

        * include/config.h.in: Rebuilt.
        * acconfig.h: Add INTERPRETER.

        * configure: Rebuilt.

        * Makefile.in: Rebuilt.
        * Makefile.am (libffi_files): Identify the libffi object files for
        inclusion in libgcj.
        (LIBFFIINCS): Define.

        * interpret.cc (gnu::gcj::runtime::MethodInvocation::continue1):
        Dummy definition for configurations without an interpreter.

        * java/net/natPlainSocketImpl.cc (getOption): Disamiguate call to
        java::lang::Boolean constructor.

        * include/java-interp.h: Always include java-cpool.h.

        * java/lang/natClassLoader.cc (getVMClassLoader0): Always return 0
        when INTERPRETER not defined.

        * java/lang/Class.h (finalize): Define.

        * gnu/gcj/util/path/DirectoryPathEntry.java (getURL): Catch
        IOException from File.getCanonicalPath.
        (getStream): Likewise.

        * NEWS: More news.
        * THANKS: More thanks.

1999-08-09  Kresten Krab Thorup  <krab@gnu.org>

        * resolve.cc (get_ffi_type_from_signature): Generate uint16 for
        jchar type.
        (_Jv_PrepareClass): Allow non-abstract classes to
        have abstract subclasses.
        (_Jv_ResolvePoolEntry): Revert subclass check for protected
        fields and methods.
        * interpret.cc (continue1/perform_invoke): Don't sign extend
        uint16 return val.
        (continue1/lshl,lshr): Push long, not int.
        (continue1/ulshr): Use UINT64, not long long.
        * defineclass.cc (handleFieldsEnd): Handle case when all fields
        are static.
        * java/lang/natClass.cc (forName): Add call to _Jv_InitClass.
        * java/lang/FirstThread.java (run): Add top-level exception
        handler.
        (run0): Renamed from run.

1999-08-08  Kresten Krab Thorup  <krab@gnu.org>

        * configure.in (--with-interpreter): Added.
        * include/config.h.in (INTERPRETER): Added.

        * java/lang/ClassLoader.java: File replaced.
        * java/lang/VMClassLoader.java: New file.
        * java/lang/natClassLoader.cc: New file.
        * gnu/gcj/runtime/MethodInvocation.java: New file.
        * gnu/gcj/util/path/SearchPath.java: New file.
        * gnu/gcj/util/path/PathEntry.java: New file.
        * gnu/gcj/util/path/DirectoryPathEntry.java: New file.
        * gnu/gcj/util/path/ZipPathEntry.java: New file.
        * gnu/gcj/util/path/URLPathEntry.java: New file.
        * gnu/gcj/util/path/CacheEntry.java: New file.
        * include/java-interp.h: New file.
        * include/java-cpool.h: New file.
        * include/java-insns.h: New file.
        * defineclass.cc: New file.
        * interpret.cc: New file.
        * resolve.cc: New file.

        * java/lang/natClass.cc (loaded_classes, _Jv_RegisterClass,
        _Jv_RegisterClasses, _Jv_FindClassInCache, _Jv_FindClass,
        _Jv_NewClass, _Jv_FindArrayClass): Moved to natClassLoader.cc.
        (finalize): New.
        (STATE_NOTHING, STATE_RESOLVED, STATE_IN_PROGRESS, STATE_DONE,
        STATE_ERROR): Moved to java/lang/Class.h and renamed with JV_
        prefix.
        (initializeClass): Use new JV_ prefixed names.  Also, call
        ClassLoader::resolveClass instead of _Jv_ResolveClass.

        * java/lang/Class.h (JV_STATE_PRELOADING, JV_STATE_LOADING,
        JV_STATE_LOADED, JV_STATE_COMPILED, JV_STATE_PREPARED,
        JV_STATE_LINKED): New.
        (_Jv_WaitForState, _Jv_RegisterInitiatingLoader,
        _Jv_UnregisterClass, _Jv_InternClassStrings): New friends.
        (_Jv_IsInterpretedClass, _Jv_InitField, _Jv_LookupDeclaredMethod,
        _Jv_DetermineVTableIndex, _Jv_ResolvePoolEntry, _Jv_PrepareClass,
        _Jv_ClassReader, _Jv_InterpClass, _Jv_InterpMethod,
        _Jv_InterpMethodInvocation): New friends for interpreter.
        (finalize): New.
        (CONSTANT_Class, CONSTANT_String, etc.): Moved to
        include/java-cpool.h and renamed with JV_ prefix.

        * include/jvm.h (_Jv_makeUtf8Const, _Jv_makeUtf8TypeConst): New
        decls.
        (_Jv_UnregisterClass): New decl.

        * java/lang/natClassLoader.cc (_Jv_FindArrayClass): Added
        class loader argument.
        (_Jv_FindClass): Use class loader.

        * prims.cc (_Jv_makeUtf8Const): New function.
        (_Jv_NewObjectArray): Change use of _Jv_FindArrayClass.
        (_Jv_NewPrimArray): Ditto.
        (_Jv_FindClassFromSignature): Ditto.
        * java/lang/reflect/natArray.cc (newInstance): Ditto.
        * java/lang/reflect/natMethod.cc (getType): Ditto.

        * include/java-field.h (_Jv_Field::isRef): Make robust for
        non-resolved contexts.

        * boehm.cc (_Jv_MarkObj): Mark interpreter-related fields.
        Also, don't mark class->next field.

        * java/lang/VirtualMachineError.java: Added FIXME note.

        * configure.in (INTERPSPEC): New spec.
        * libgcj.spec.in: Added INTERPSPEC.
        * Makefile.am: Added gcjh friends for java/lang/VMClassLoader and
        gnu/gcj/runtime/MethodInvocation.
        (libgcj_la_SOURCES): Added resolve.cc defineclass.cc interpret.cc.
        (ordinary_java_source_files): Added above mentioned java classes.

        * configure: Rebuilt.
        * Makefile.in: Rebuilt.

From-SVN: r28597
1999-08-08 14:06:23 +00:00

115 lines
3.7 KiB
C++

// jvm.h - Header file for private implementation information. -*- c++ -*-
/* Copyright (C) 1998, 1999 Cygnus Solutions
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
#ifndef __JAVA_JVM_H__
#define __JAVA_JVM_H__
#include <java-assert.h>
#include <java-field.h>
/* Structure of the virtual table. */
struct _Jv_VTable
{
jclass clas;
void *method[1];
};
/* Extract a character from a Java-style Utf8 string.
* PTR points to the current character.
* LIMIT points to the end of the Utf8 string.
* PTR is incremented to point after the character thta gets returns.
* On an error, -1 is returned. */
#define UTF8_GET(PTR, LIMIT) \
((PTR) >= (LIMIT) ? -1 \
: *(PTR) < 128 ? *(PTR)++ \
: (*(PTR)&0xE0) == 0xC0 && ((PTR)+=2)<=(LIMIT) && ((PTR)[-1]&0xC0) == 0x80 \
? (((PTR)[-2] & 0x1F) << 6) + ((PTR)[-1] & 0x3F) \
: (*(PTR) & 0xF0) == 0xE0 && ((PTR) += 3) <= (LIMIT) \
&& ((PTR)[-2] & 0xC0) == 0x80 && ((PTR)[-1] & 0xC0) == 0x80 \
? (((PTR)[-3]&0x0F) << 12) + (((PTR)[-2]&0x3F) << 6) + ((PTR)[-1]&0x3F) \
: ((PTR)++, -1))
extern int _Jv_strLengthUtf8(char* str, int len);
typedef struct _Jv_Utf8Const Utf8Const;
_Jv_Utf8Const *_Jv_makeUtf8Const (char *s, int len);
_Jv_Utf8Const *_Jv_makeUtf8TypeConst (char* s, int len);
_Jv_Utf8Const *_Jv_makeUtf8Const (jstring string);
extern jboolean _Jv_equalUtf8Consts (_Jv_Utf8Const *, _Jv_Utf8Const *);
extern jboolean _Jv_equal (_Jv_Utf8Const *, jstring, jint);
#define StringClass _CL_Q34java4lang6String
extern java::lang::Class StringClass;
/* Type of pointer used as finalizer. */
typedef void _Jv_FinalizerFunc (jobject);
/* Allocate space for a new Java object. */
void *_Jv_AllocObj (jsize size);
/* Allocate space for an array of Java objects. */
void *_Jv_AllocArray (jsize size);
/* Allocate space that is known to be pointer-free. */
void *_Jv_AllocBytes (jsize size);
/* Initialize the GC. */
void _Jv_InitGC (void);
/* Register a finalizer. */
void _Jv_RegisterFinalizer (void *object, _Jv_FinalizerFunc *method);
/* Run finalizers for objects ready to be finalized.. */
void _Jv_RunFinalizers (void);
/* Run all finalizers. Should be called only before exit. */
void _Jv_RunAllFinalizers (void);
/* Perform a GC. */
void _Jv_RunGC (void);
/* Return approximation of total size of heap. */
long _Jv_GCTotalMemory (void);
/* Return approximation of total free memory. */
long _Jv_GCFreeMemory (void);
/* Allocate some unscanned bytes. Throw exception if out of memory. */
void *_Jv_AllocBytesChecked (jsize size);
// This function is used to determine the hash code of an object.
inline jint
_Jv_HashCode (jobject obj)
{
return (jint) obj;
}
extern "C" void _Jv_ThrowBadArrayIndex (jint bad_index);
extern "C" jobject _Jv_NewArray (jint type, jint size);
extern "C" jobject _Jv_NewMultiArray (jclass klass, jint dims, ...);
extern "C" void *_Jv_CheckCast (jclass klass, jobject obj);
extern "C" void *_Jv_LookupInterfaceMethod (jclass klass, Utf8Const *name,
Utf8Const *signature);
extern "C" void _Jv_CheckArrayStore (jobject array, jobject obj);
extern "C" void _Jv_RegisterClass (jclass klass);
extern "C" void _Jv_RegisterClasses (jclass *classes);
extern void _Jv_UnregisterClass (_Jv_Utf8Const*, java::lang::ClassLoader*);
extern jclass _Jv_FindClass (_Jv_Utf8Const *name,
java::lang::ClassLoader *loader);
extern jclass _Jv_FindClassFromSignature (char *,
java::lang::ClassLoader *loader);
extern jobject _Jv_NewMultiArray (jclass, jint ndims, jint* dims);
/* Checked divide subroutines. */
extern "C"
{
jint _Jv_divI (jint, jint);
jint _Jv_remI (jint, jint);
jlong _Jv_divJ (jlong, jlong);
jlong _Jv_remJ (jlong, jlong);
}
#endif /* __JAVA_JVM_H__ */