gcc/libjava/include/jvm.h

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// jvm.h - Header file for private implementation information. -*- c++ -*-
/* Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation
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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__
// Define this before including jni.h.
// jni.h is included by jvmpi.h, which might be included. We define
// this unconditionally because it is convenient and it lets other
// files include jni.h without difficulty.
#define __GCJ_JNI_IMPL__
#include <gcj/javaprims.h>
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#include <java-assert.h>
#include <java-threads.h>
// Must include java-gc.h before Object.h for the implementation.
#include <java-gc.h>
#include <java/lang/Object.h>
// Include cni.h before field.h to enable all definitions. FIXME.
#include <gcj/cni.h>
#include <gcj/field.h>
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/* Structure of the virtual table. */
struct _Jv_VTable
{
#ifdef __ia64__
typedef struct { void *pc, *gp; } vtable_elt;
#else
typedef void *vtable_elt;
#endif
jclass clas;
void *gc_descr;
// This must be last, as derived classes "extend" this by
// adding new data members.
vtable_elt method[1];
#ifdef __ia64__
void *get_method(int i) { return &method[i]; }
void set_method(int i, void *fptr) { method[i] = *(vtable_elt *)fptr; }
void *get_finalizer()
{
// We know that get_finalizer is only used for checking whether
// this object needs to have a finalizer registered. So it is
// safe to simply return just the PC component of the vtable
// slot.
return ((vtable_elt *)(get_method(0)))->pc;
}
#else
void *get_method(int i) { return method[i]; }
void set_method(int i, void *fptr) { method[i] = fptr; }
void *get_finalizer() { return get_method(0); }
#endif
static size_t vtable_elt_size() { return sizeof(vtable_elt); }
java-tree.h (otable_methods, [...]): New field/global tree definitions. gcc/java: * java-tree.h (otable_methods, otable_decl, otable_syms_decl, otable_type, otable_ptr_type, method_symbol_type, method_symbols_array_type, method_symbols_array_ptr_type): New field/global tree definitions. (flag_indirect_dispatch): New flag. * decl.c (java_init_decl_processing): Initialize new otable and otable_syms type nodes and decls. Add new field "index" to method_type_node. * class.c (build_method_symbols_entry): New function. (make_method_value): Set "index" to to method's vtable index for virtual methods when indirect-dispatch is not used. (make_class_data): For indirect-dispatch, dont emit the dtable_decl, and set vtable_method_count to -1. Set otable and otable_syms field if indirect-dispatch is used and there was something to put in them. (build_method_symbols_entry): New function. (emit_offset_symbol_table): New function. * expr.c (get_offset_table_index): New function. (build_invokevirtual): Build array reference to otable at the index returned by get_offset_table_index, and use the result as the vtable offset. (build_invokeinterface): Similar. * jcf-parse.c (yyparse): If indirect-dispatch, call emit_offset_symbol_table at the end of compilation, after all classes have been generated. * jvspec.c: Don't pass findirect-dispatch to jvgenmain. * lang.c (flag_indirect_dispatch): Define. (lang_f_options): Add indirect-dispatch flag. libjava: * include/jvm.h (_Jv_VTable::idx_to_offset): New method. * java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Call _Jv_MakeVTable and _Jv_LinkOffsetTable if needed. * java/lang/Class.h (_Jv_Method): Add "index" field. (_Jv_MethodSymbol): New struct type. (_Jv_LinkOffsetTable, _Jv_LayoutVTableMethods, _Jv_SetVTableEntries, _Jv_MakeVTable): Friends. (otable, otable_syms): New Class fields. * java/lang/natClass.cc (_Jv_LinkOffsetTable): New function. (isVirtualMethod): New static function. (_Jv_LayoutVTableMethods): New function. (_Jv_SetVTableEntries): New function. (_Jv_MakeVTable): New function. From-SVN: r48038
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// Given a method index, return byte offset from the vtable pointer.
static jint idx_to_offset (int index)
{
return (2 * sizeof (void *)) + (index * vtable_elt_size ());
}
static _Jv_VTable *new_vtable (int count);
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};
// Number of virtual methods on object. FIXME: it sucks that we have
// to keep this up to date by hand.
#define NUM_OBJECT_METHODS 5
// This structure is the type of an array's vtable.
struct _Jv_ArrayVTable : public _Jv_VTable
{
vtable_elt extra_method[NUM_OBJECT_METHODS - 1];
};
union _Jv_word
{
jobject o;
jint i; // Also stores smaller integral types.
jfloat f;
jint ia[1]; // Half of _Jv_word2.
void* p;
#if SIZEOF_VOID_P == 8
// We can safely put a long or a double in here without increasing
// the size of _Jv_Word; we take advantage of this in the interpreter.
jlong l;
jdouble d;
#endif
jclass clazz;
jstring string;
struct _Jv_Field *field;
struct _Jv_Utf8Const *utf8;
struct _Jv_ResolvedMethod *rmethod;
};
union _Jv_word2
{
jint ia[2];
jlong l;
jdouble d;
};
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/* 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);
[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
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_Jv_Utf8Const *_Jv_makeUtf8Const (jstring string);
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extern jboolean _Jv_equalUtf8Consts (_Jv_Utf8Const *, _Jv_Utf8Const *);
extern jboolean _Jv_equal (_Jv_Utf8Const *, jstring, jint);
[multiple changes] 2000-01-04 Tom Tromey <tromey@cygnus.com> * java/lang/reflect/natConstructor.cc (newInstance): Pass declaring class as return_type argument to _Jv_CallNonvirtualMethodA. * java/lang/reflect/natMethod.cc (_Jv_CallNonvirtualMethodA): In constructor case, create object and use it as `this' argument. * java/lang/Class.h (_getConstructors): Declare. (_getFields): Declare. * java/lang/Class.java (getConstructors): Wrote. (_getConstructors): New native method. (getDeclaredConstructors): Wrote. (_getFields): Declare new native method. * java/lang/natClass.cc (_Jv_LookupInterfaceMethod): Removed incorrect comment. (getMethod): Work correctly when class is primitive. (getDeclaredMethods): Likewise. Compute offset using `method', not `mptr'. (getDeclaredMethod): Likewise. (getConstructor): Wrote. (ConstructorClass): New define. (getDeclaredConstructor): Wrote. (_getConstructors): New method. (_getFields): New method. (getFields): Wrote. * Makefile.in: Rebuilt. * Makefile.am (AM_CXXFLAGS): Added -D_GNU_SOURCE. * prims.cc: Remove `#pragma implementation'. * gcj/array.h: Remove `#pragma interface'. * prims.cc (_Jv_equaln): New function. * java/lang/Class.java (getSignature): Declare. * resolve.cc (_Jv_LookupDeclaredMethod): Moved to natClass.cc. * java/lang/natClass.cc (_Jv_LookupDeclaredMethod): Moved from resolve.cc. (getSignature): New method. (getDeclaredMethod): Wrote. (getMethod): Wrote. Include StringBuffer.h. * java/lang/Class.h (Class): Added _Jv_FromReflectedConstructor as a friend. Unconditionally declare _Jv_LookupDeclaredMethod as a friend. (getSignature): Declare. * include/jvm.h (_Jv_GetTypesFromSignature): Declare. (_Jv_equaln): Declare. (_Jv_CallNonvirtualMethodA): Declare. * Makefile.in: Rebuilt. * Makefile.am (nat_source_files): Added natConstructor.cc. (java/lang/reflect/Constructor.h): New target. * java/lang/reflect/natConstructor.cc: New file. * java/lang/reflect/Constructor.java (newInstance): Now native. (declaringClass): Renamed from decl_class. (offset): Renamed from index. (getType): New native method. (getModifiers): Now native. (getParameterTypes): Call getType if required. (hashCode): Include hash code from declaring class. (modifiers): Removed. (toString): Call getType if required. * gcj/method.h (_Jv_FromReflectedConstructor): New function. * java/lang/reflect/natMethod.cc (hack_call): New method. Removed `#if 0' around FFI code. Include <gnu/gcj/RawData.h>. (invoke): Use _Jv_CallNonvirtualMethodA. Throw IllegalArgumentException when argument object and class disagree. (_Jv_GetTypesFromSignature): New function. (getType): Use it. (ObjectClass): New define. (_Jv_CallNonvirtualMethodA): New function. * java/lang/reflect/Method.java (hack_trampoline): New method. (hack_call): New native method. 1999-12-21 Per Bothner <per@bothner.com> * java/lang/natClass.cc (getDeclaredMethods): Correctly compute offset in new Method. From-SVN: r31199
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extern jboolean _Jv_equaln (_Jv_Utf8Const *, jstring, jint);
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natField.cc (BooleanClass): Don't define. * java/lang/reflect/natField.cc (BooleanClass): Don't define. * java/lang/reflect/natArray.cc (BooleanClass): Don't define. * java/lang/Class.h (Object): Added `class$' field. * java/lang/Object.h (Object): Added `class$' field. * defineclass.cc (ClassClass): Use `class$' form. (ClassObject): Likewise. * resolve.cc (ClassObject): Use `class$' form. (ObjectClass): Likewise. * interpret.cc (ClassError): Removed. * java/net/natPlainDatagramSocketImpl.cc (BooleanClass): Use `class$' form. (IntegerClass): Likewise. * java/net/natPlainSocketImpl.cc (BooleanClass): Use `class$' form. * java/lang/natClassLoader.cc (CloneableClass): Use `class$' form. (ObjectClass, ClassClass, VMClassLoaderClass, ClassLoaderClass, SerializableClass): Likewise. Include Serializable.h, Cloneable.h. * java/lang/natSystem.cc (SystemClass): Removed. (init_properties): Use `class$' form. * java/lang/natObject.cc (CloneableClass): Removed. (clone): Use `class$' form. * java/lang/natClass.cc (CloneableClass): Use `class$' form. (ObjectClass, ErrorClass, ClassClass, MethodClass, FieldClass, ConstructorClass): Likewise. * java/lang/reflect/natMethod.cc (ObjectClass): Use `class$' form. (ClassClass, VoidClass, ByteClass, ShortClass, CharacterClass, IntegerClass, LongClass, FloatClass, DoubleClass): Likewise. * java/io/natObjectInputStream.cc (ObjectClass): Use `class$' form. (ClassClass): Likewise. * include/jvm.h (StringClass): Use `class$' form. * prims.cc (ObjectClass): Removed. (_Jv_RunMain): Use `class$' form. (_Jv_AllocObject): Likewise. * jni.cc (ClassClass): Use `class$' form. (ThrowableClass): Likewise. (ObjectClass): Likewise. (MethodClass): Likewise. (ThreadGroupClass): Likewise. (NativeThreadClass): Likewise. * boehm.cc (ObjectClass): Removed. (ClassClass): Removed. (_Jv_MarkObj): Use `class$' form. * gcj/field.h (JvFieldIsRef): Use `class$' form. Include RawData.h. From-SVN: r36740
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// FIXME: remove this define.
#define StringClass java::lang::String::class$
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namespace gcj
{
/* Some constants used during lookup of special class methods. */
extern _Jv_Utf8Const *void_signature; /* "()V" */
extern _Jv_Utf8Const *clinit_name; /* "<clinit>" */
extern _Jv_Utf8Const *init_name; /* "<init>" */
extern _Jv_Utf8Const *finit_name; /* "finit$", */
/* Set to true by _Jv_CreateJavaVM. */
extern bool runtimeInitialized;
};
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/* Type of pointer used as finalizer. */
typedef void _Jv_FinalizerFunc (jobject);
/* Allocate space for a new Java object. */
Implement bitmap descriptor based marking for Boehm GC. 2000-09-30 Hans Boehm <boehm@acm.org> Bryce McKinlay <bryce@albatross.co.nz> Implement bitmap descriptor based marking for Boehm GC. * configure.in: Define JC1GCSPEC. Set it if boehm-gc is used. * configure: Rebuilt. * libgcj.spec.in: Pass JC1GCSPEC to jc1. * include/jvm.h (struct _Jv_VTable): New field `gc_descr'. New inline method get_finalizer(). (struct _Jv_ArrayVTable): Ditto. Declare method array with NUM_OBJECT_METHODS elements instead of NUM_OBJECT_METHODS + 1. (_Jv_AllocObj): Add new jclass parameter. (_Jv_AllocArray): Ditto. (_Jv_BuildGCDescr): New prototype. * prims.cc (_Jv_AllocObject): Rename parameter `c' to `klass'. Pass `klass' to _Jv_AllocObj. Don't set the new object's vtable. Use get_finalizer() instead of direct finalizer vtable offset. (_Jv_NewObjectArray): Rename parameter `clas' to `klass'. Pass `klass' to _Jv_AllocArray. Don't set the new array's vtable. (_Jv_NewPrimArray): Call _Jv_FindArrayClass before _Jv_AllocObj. Pass `klass' to _Jv_AllocObj. Don't set the new array's vtable. * resolve.cc (METHOD_NOT_THERE, METHOD_INACCESSIBLE): New #defines. (_Jv_ResolvePoolEntry): Use METHOD_NOT_THERE and METHOD_INACCESSIBLE. (_Jv_DetermineVTableIndex): Ditto. (_Jv_PrepareClass): Ditto. Remove offset-by-one adjustments from vtable calculations to account for new gc_descr field. * boehm.cc: #include gc_gcj.h. (obj_kind_x, obj_free_list): `#if 0'-ed away. (_Jv_MarkObj): Check that vtable doesn't point to a cleared object. New commentary from HB. Mark the classes vtable. (_Jv_MarkArray): Check that vtable doesn't point to a cleared object. (GC_DEFAULT_DESCR): New #define. (_Jv_BuildGCDescr): New function. Use GC_DEFAULT_DESCR, for now. (_Jv_AllocObj): New parameter `klass'. Use GC_GCJ_MALLOC (). (_Jv_AllocArray): New parameter `klass'. Allocate with GC_MALLOC and scan conservativly if size is less than min_heap_addr. Set vtable pointer of new object before returning. (_Jv_AllocBytes): Use GC_MALLOC_ATOMIC, not GC_GENERIC_MALLOC. (_Jv_InitGC): Call GC_init_gcj_malloc(). Don't set up marking and allocation for obj_kind_x. * nogc.cc (_Jv_BuildGCDescr): New function. Return 0. (_Jv_AllocObj): Set vtable on returned object. (_Jv_AllocArray): Ditto. * java/lang/Class.h (_Jv_NewObjectArray): No longer a friend. (_Jv_NewPrimArray): Ditto. (_Jv_AllocObj): Declare as a friend. (_Jv_AllocArray): Ditto. * java/lang/natClassLoader.cc (_Jv_FindArrayClass): Copy gc_descr from &ObjectClass into new array class. Remove offset-by-one adjustments from `method' size calculations to account for gc_descr field. Co-Authored-By: Bryce McKinlay <bryce@albatross.co.nz> From-SVN: r36679
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void *_Jv_AllocObj (jsize size, jclass cl) __attribute__((__malloc__));
[multiple changes] 2001-05-23 Tom Tromey <tromey@redhat.com> * posix-threads.cc (_Jv_self_cache): Renamed from self_cache. * gcj/Makefile.in: Rebuilt. * gcj/Makefile.am (gcj_HEADERS): Added libgcj-config.h. * gcj/javaprims.h: Include gcj/libgcj-config.h. * gcj/libgcj-config.h.in: New file. * libgcj.spec.in (*jc1): Added @HASH_SYNC_SPEC@. * configure: Rebuilt. * configure.in: Enable hash synchronization by default on some platforms. (HASH_SYNC_SPEC): New subst. (AC_CONFIG_HEADER): Added gcj/libgcj-config.h. Correctly use `test -z' instead of `test -n' in a couple places. (JV_HASH_SYNCHRONIZATION): Use AC_DEFINE; don't add to LIBGCJ_CXXFLAGS. * configure.host (enable_java_net_default): Initialize. (enable_hash_synchronization_default): New variable. 2001-05-23 Hans Boehm <Hans_Boehm@hp.com> * boehm.cc (_Jv_MarkObj): Don't mark sync_info when hash synchronization in use. (_Jv_MarkArray): Likewise. (_Jv_AllocBytes): Don't check return result. (handle_out_of_memory): New function. (_Jv_InitGC): Set GC_oom_fn. (trace_one_vtable): New global. (_Jv_AllocTraceOne): New function. * configure.in: Added --enable-hash-synchronization. * defineclass.cc, prims.cc, resolve.cc, java/lang/natString.cc, java/net/natInetAddress.cc: Remove _Jv_AllocBytesChecked. * nogc.cc (_Jv_AllocObj): Throw out-of-memory. (_Jv_AllocArray): Likewise. (_Jv_AllocBytes): Likewise. (_Jv_AllocPtrFreeObject): New function. (_Jv_AllocTraceOne): Likewise. * posix-threads.cc (_Jv_ThreadRegister): Handle slow pthread_self(). (self_cache): New global. (_Jv_ThreadSelf_out_of_line): New function. * prims.cc (_Jv_AllocBytesChecked): Removed. (_Jv_ThrowNoMemory): New function. (_Jv_AllocObject): Don't check for null return from allocator. (_Jv_NewObjectArray): Likewise. (_Jv_AllocPtrFreeObject): New function. (_Jv_NewPrimArray): Allocate pointer-free object if possible. * include/javaprims.h (_Jv_AllocPtrFreeObject): Declare. (_Jv_MonitorEnter, _Jv_MonitorExit): Don't return value. * include/boehm-gc.h (_Jv_AllocObj): Define. (_Jv_AllocPtrFreeObj): Define. * include/jvm.h (_Jv_AllocPtrFreeObj): Declare. (_Jv_ThrowNoMemory): Declare. (_Jv_AllocTraceOne): Declare. (_Jv_AllocBytesChecked): Removed. * include/posix-threads.h (_Jv_MutexInit, _Jv_MutexLock, _Jv_MutexUnlock): Handle LOCK_DEBUG. (_Jv_ThreadSelf): Handle case where system pthread_self() is slow. * java/lang/Class.h (Class): Declare _Jv_AllocPtrFreeObj as friend. * java/lang/Object.h (sync_info): Conditional upon presence of hash synchronization. * java/lang/natObject.cc: Much new code to handle thin locks and hash synchronization. * java/lang/natString.cc (_Jv_AllocString): Allocate pointer-free object if possible. From-SVN: r42519
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/* Allocate space for a potentially uninitialized pointer-free object.
Interesting only with JV_HASH_SYNCHRONIZATION. */
void *_Jv_AllocPtrFreeObj (jsize size, jclass cl) __attribute__((__malloc__));
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/* Allocate space for an array of Java objects. */
Implement bitmap descriptor based marking for Boehm GC. 2000-09-30 Hans Boehm <boehm@acm.org> Bryce McKinlay <bryce@albatross.co.nz> Implement bitmap descriptor based marking for Boehm GC. * configure.in: Define JC1GCSPEC. Set it if boehm-gc is used. * configure: Rebuilt. * libgcj.spec.in: Pass JC1GCSPEC to jc1. * include/jvm.h (struct _Jv_VTable): New field `gc_descr'. New inline method get_finalizer(). (struct _Jv_ArrayVTable): Ditto. Declare method array with NUM_OBJECT_METHODS elements instead of NUM_OBJECT_METHODS + 1. (_Jv_AllocObj): Add new jclass parameter. (_Jv_AllocArray): Ditto. (_Jv_BuildGCDescr): New prototype. * prims.cc (_Jv_AllocObject): Rename parameter `c' to `klass'. Pass `klass' to _Jv_AllocObj. Don't set the new object's vtable. Use get_finalizer() instead of direct finalizer vtable offset. (_Jv_NewObjectArray): Rename parameter `clas' to `klass'. Pass `klass' to _Jv_AllocArray. Don't set the new array's vtable. (_Jv_NewPrimArray): Call _Jv_FindArrayClass before _Jv_AllocObj. Pass `klass' to _Jv_AllocObj. Don't set the new array's vtable. * resolve.cc (METHOD_NOT_THERE, METHOD_INACCESSIBLE): New #defines. (_Jv_ResolvePoolEntry): Use METHOD_NOT_THERE and METHOD_INACCESSIBLE. (_Jv_DetermineVTableIndex): Ditto. (_Jv_PrepareClass): Ditto. Remove offset-by-one adjustments from vtable calculations to account for new gc_descr field. * boehm.cc: #include gc_gcj.h. (obj_kind_x, obj_free_list): `#if 0'-ed away. (_Jv_MarkObj): Check that vtable doesn't point to a cleared object. New commentary from HB. Mark the classes vtable. (_Jv_MarkArray): Check that vtable doesn't point to a cleared object. (GC_DEFAULT_DESCR): New #define. (_Jv_BuildGCDescr): New function. Use GC_DEFAULT_DESCR, for now. (_Jv_AllocObj): New parameter `klass'. Use GC_GCJ_MALLOC (). (_Jv_AllocArray): New parameter `klass'. Allocate with GC_MALLOC and scan conservativly if size is less than min_heap_addr. Set vtable pointer of new object before returning. (_Jv_AllocBytes): Use GC_MALLOC_ATOMIC, not GC_GENERIC_MALLOC. (_Jv_InitGC): Call GC_init_gcj_malloc(). Don't set up marking and allocation for obj_kind_x. * nogc.cc (_Jv_BuildGCDescr): New function. Return 0. (_Jv_AllocObj): Set vtable on returned object. (_Jv_AllocArray): Ditto. * java/lang/Class.h (_Jv_NewObjectArray): No longer a friend. (_Jv_NewPrimArray): Ditto. (_Jv_AllocObj): Declare as a friend. (_Jv_AllocArray): Ditto. * java/lang/natClassLoader.cc (_Jv_FindArrayClass): Copy gc_descr from &ObjectClass into new array class. Remove offset-by-one adjustments from `method' size calculations to account for gc_descr field. Co-Authored-By: Bryce McKinlay <bryce@albatross.co.nz> From-SVN: r36679
2000-09-30 11:56:58 +02:00
void *_Jv_AllocArray (jsize size, jclass cl) __attribute__((__malloc__));
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/* Allocate space that is known to be pointer-free. */
void *_Jv_AllocBytes (jsize size) __attribute__((__malloc__));
/* Allocate space for a new non-Java object, which does not have the usual
Java object header but may contain pointers to other GC'ed objects. */
void *_Jv_AllocRawObj (jsize size) __attribute__((__malloc__));
[multiple changes] 2001-05-23 Tom Tromey <tromey@redhat.com> * posix-threads.cc (_Jv_self_cache): Renamed from self_cache. * gcj/Makefile.in: Rebuilt. * gcj/Makefile.am (gcj_HEADERS): Added libgcj-config.h. * gcj/javaprims.h: Include gcj/libgcj-config.h. * gcj/libgcj-config.h.in: New file. * libgcj.spec.in (*jc1): Added @HASH_SYNC_SPEC@. * configure: Rebuilt. * configure.in: Enable hash synchronization by default on some platforms. (HASH_SYNC_SPEC): New subst. (AC_CONFIG_HEADER): Added gcj/libgcj-config.h. Correctly use `test -z' instead of `test -n' in a couple places. (JV_HASH_SYNCHRONIZATION): Use AC_DEFINE; don't add to LIBGCJ_CXXFLAGS. * configure.host (enable_java_net_default): Initialize. (enable_hash_synchronization_default): New variable. 2001-05-23 Hans Boehm <Hans_Boehm@hp.com> * boehm.cc (_Jv_MarkObj): Don't mark sync_info when hash synchronization in use. (_Jv_MarkArray): Likewise. (_Jv_AllocBytes): Don't check return result. (handle_out_of_memory): New function. (_Jv_InitGC): Set GC_oom_fn. (trace_one_vtable): New global. (_Jv_AllocTraceOne): New function. * configure.in: Added --enable-hash-synchronization. * defineclass.cc, prims.cc, resolve.cc, java/lang/natString.cc, java/net/natInetAddress.cc: Remove _Jv_AllocBytesChecked. * nogc.cc (_Jv_AllocObj): Throw out-of-memory. (_Jv_AllocArray): Likewise. (_Jv_AllocBytes): Likewise. (_Jv_AllocPtrFreeObject): New function. (_Jv_AllocTraceOne): Likewise. * posix-threads.cc (_Jv_ThreadRegister): Handle slow pthread_self(). (self_cache): New global. (_Jv_ThreadSelf_out_of_line): New function. * prims.cc (_Jv_AllocBytesChecked): Removed. (_Jv_ThrowNoMemory): New function. (_Jv_AllocObject): Don't check for null return from allocator. (_Jv_NewObjectArray): Likewise. (_Jv_AllocPtrFreeObject): New function. (_Jv_NewPrimArray): Allocate pointer-free object if possible. * include/javaprims.h (_Jv_AllocPtrFreeObject): Declare. (_Jv_MonitorEnter, _Jv_MonitorExit): Don't return value. * include/boehm-gc.h (_Jv_AllocObj): Define. (_Jv_AllocPtrFreeObj): Define. * include/jvm.h (_Jv_AllocPtrFreeObj): Declare. (_Jv_ThrowNoMemory): Declare. (_Jv_AllocTraceOne): Declare. (_Jv_AllocBytesChecked): Removed. * include/posix-threads.h (_Jv_MutexInit, _Jv_MutexLock, _Jv_MutexUnlock): Handle LOCK_DEBUG. (_Jv_ThreadSelf): Handle case where system pthread_self() is slow. * java/lang/Class.h (Class): Declare _Jv_AllocPtrFreeObj as friend. * java/lang/Object.h (sync_info): Conditional upon presence of hash synchronization. * java/lang/natObject.cc: Much new code to handle thin locks and hash synchronization. * java/lang/natString.cc (_Jv_AllocString): Allocate pointer-free object if possible. From-SVN: r42519
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/* Explicitly throw an out-of-memory exception. */
void _Jv_ThrowNoMemory() __attribute__((__noreturn__));
[multiple changes] 2001-05-23 Tom Tromey <tromey@redhat.com> * posix-threads.cc (_Jv_self_cache): Renamed from self_cache. * gcj/Makefile.in: Rebuilt. * gcj/Makefile.am (gcj_HEADERS): Added libgcj-config.h. * gcj/javaprims.h: Include gcj/libgcj-config.h. * gcj/libgcj-config.h.in: New file. * libgcj.spec.in (*jc1): Added @HASH_SYNC_SPEC@. * configure: Rebuilt. * configure.in: Enable hash synchronization by default on some platforms. (HASH_SYNC_SPEC): New subst. (AC_CONFIG_HEADER): Added gcj/libgcj-config.h. Correctly use `test -z' instead of `test -n' in a couple places. (JV_HASH_SYNCHRONIZATION): Use AC_DEFINE; don't add to LIBGCJ_CXXFLAGS. * configure.host (enable_java_net_default): Initialize. (enable_hash_synchronization_default): New variable. 2001-05-23 Hans Boehm <Hans_Boehm@hp.com> * boehm.cc (_Jv_MarkObj): Don't mark sync_info when hash synchronization in use. (_Jv_MarkArray): Likewise. (_Jv_AllocBytes): Don't check return result. (handle_out_of_memory): New function. (_Jv_InitGC): Set GC_oom_fn. (trace_one_vtable): New global. (_Jv_AllocTraceOne): New function. * configure.in: Added --enable-hash-synchronization. * defineclass.cc, prims.cc, resolve.cc, java/lang/natString.cc, java/net/natInetAddress.cc: Remove _Jv_AllocBytesChecked. * nogc.cc (_Jv_AllocObj): Throw out-of-memory. (_Jv_AllocArray): Likewise. (_Jv_AllocBytes): Likewise. (_Jv_AllocPtrFreeObject): New function. (_Jv_AllocTraceOne): Likewise. * posix-threads.cc (_Jv_ThreadRegister): Handle slow pthread_self(). (self_cache): New global. (_Jv_ThreadSelf_out_of_line): New function. * prims.cc (_Jv_AllocBytesChecked): Removed. (_Jv_ThrowNoMemory): New function. (_Jv_AllocObject): Don't check for null return from allocator. (_Jv_NewObjectArray): Likewise. (_Jv_AllocPtrFreeObject): New function. (_Jv_NewPrimArray): Allocate pointer-free object if possible. * include/javaprims.h (_Jv_AllocPtrFreeObject): Declare. (_Jv_MonitorEnter, _Jv_MonitorExit): Don't return value. * include/boehm-gc.h (_Jv_AllocObj): Define. (_Jv_AllocPtrFreeObj): Define. * include/jvm.h (_Jv_AllocPtrFreeObj): Declare. (_Jv_ThrowNoMemory): Declare. (_Jv_AllocTraceOne): Declare. (_Jv_AllocBytesChecked): Removed. * include/posix-threads.h (_Jv_MutexInit, _Jv_MutexLock, _Jv_MutexUnlock): Handle LOCK_DEBUG. (_Jv_ThreadSelf): Handle case where system pthread_self() is slow. * java/lang/Class.h (Class): Declare _Jv_AllocPtrFreeObj as friend. * java/lang/Object.h (sync_info): Conditional upon presence of hash synchronization. * java/lang/natObject.cc: Much new code to handle thin locks and hash synchronization. * java/lang/natString.cc (_Jv_AllocString): Allocate pointer-free object if possible. From-SVN: r42519
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/* Allocate an object with a single pointer. The first word is reserved
for the GC, and the second word is the traced pointer. */
void *_Jv_AllocTraceOne (jsize size /* incl. reserved slot */);
/* Ditto, but for two traced pointers. */
void *_Jv_AllocTraceTwo (jsize size /* incl. reserved slot */);
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/* Initialize the GC. */
void _Jv_InitGC (void);
/* Register a finalizer. */
void _Jv_RegisterFinalizer (void *object, _Jv_FinalizerFunc *method);
Implement bitmap descriptor based marking for Boehm GC. 2000-09-30 Hans Boehm <boehm@acm.org> Bryce McKinlay <bryce@albatross.co.nz> Implement bitmap descriptor based marking for Boehm GC. * configure.in: Define JC1GCSPEC. Set it if boehm-gc is used. * configure: Rebuilt. * libgcj.spec.in: Pass JC1GCSPEC to jc1. * include/jvm.h (struct _Jv_VTable): New field `gc_descr'. New inline method get_finalizer(). (struct _Jv_ArrayVTable): Ditto. Declare method array with NUM_OBJECT_METHODS elements instead of NUM_OBJECT_METHODS + 1. (_Jv_AllocObj): Add new jclass parameter. (_Jv_AllocArray): Ditto. (_Jv_BuildGCDescr): New prototype. * prims.cc (_Jv_AllocObject): Rename parameter `c' to `klass'. Pass `klass' to _Jv_AllocObj. Don't set the new object's vtable. Use get_finalizer() instead of direct finalizer vtable offset. (_Jv_NewObjectArray): Rename parameter `clas' to `klass'. Pass `klass' to _Jv_AllocArray. Don't set the new array's vtable. (_Jv_NewPrimArray): Call _Jv_FindArrayClass before _Jv_AllocObj. Pass `klass' to _Jv_AllocObj. Don't set the new array's vtable. * resolve.cc (METHOD_NOT_THERE, METHOD_INACCESSIBLE): New #defines. (_Jv_ResolvePoolEntry): Use METHOD_NOT_THERE and METHOD_INACCESSIBLE. (_Jv_DetermineVTableIndex): Ditto. (_Jv_PrepareClass): Ditto. Remove offset-by-one adjustments from vtable calculations to account for new gc_descr field. * boehm.cc: #include gc_gcj.h. (obj_kind_x, obj_free_list): `#if 0'-ed away. (_Jv_MarkObj): Check that vtable doesn't point to a cleared object. New commentary from HB. Mark the classes vtable. (_Jv_MarkArray): Check that vtable doesn't point to a cleared object. (GC_DEFAULT_DESCR): New #define. (_Jv_BuildGCDescr): New function. Use GC_DEFAULT_DESCR, for now. (_Jv_AllocObj): New parameter `klass'. Use GC_GCJ_MALLOC (). (_Jv_AllocArray): New parameter `klass'. Allocate with GC_MALLOC and scan conservativly if size is less than min_heap_addr. Set vtable pointer of new object before returning. (_Jv_AllocBytes): Use GC_MALLOC_ATOMIC, not GC_GENERIC_MALLOC. (_Jv_InitGC): Call GC_init_gcj_malloc(). Don't set up marking and allocation for obj_kind_x. * nogc.cc (_Jv_BuildGCDescr): New function. Return 0. (_Jv_AllocObj): Set vtable on returned object. (_Jv_AllocArray): Ditto. * java/lang/Class.h (_Jv_NewObjectArray): No longer a friend. (_Jv_NewPrimArray): Ditto. (_Jv_AllocObj): Declare as a friend. (_Jv_AllocArray): Ditto. * java/lang/natClassLoader.cc (_Jv_FindArrayClass): Copy gc_descr from &ObjectClass into new array class. Remove offset-by-one adjustments from `method' size calculations to account for gc_descr field. Co-Authored-By: Bryce McKinlay <bryce@albatross.co.nz> From-SVN: r36679
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/* Compute the GC descriptor for a class */
void * _Jv_BuildGCDescr(jclass);
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prims.cc (_Jv_MallocUnchecked): New function. * prims.cc (_Jv_MallocUnchecked): New function. (main_init): Call _Jv_JNI_Init. * include/jvm.h (_Jv_MallocUnchecked): Declare. (_Jv_JNI_Init): Declare. * jni.cc: Include Hashtable.h, OutOfMemoryError.h, Integer.h, <string.h>. (_Jv_JNI_NewGlobalRef): New function. (_Jv_JNI_DeleteGlobalRef): New function. (_Jv_JNI_DeleteLocalRef): New function. (_Jv_JNI_conversion_call): Initialize and clear local reference frame. (_Jv_JNI_NewLocalRef): New function. (struct _Jv_JNI_LocalFrame): New structure. (_Jv_JNI_PushLocalFrame): New function. (_Jv_JNI_EnsureLocalCapacity): New function. (FRAME_SIZE): New define. (_Jv_JNI_GetStringChars): Mark string, not characters. (_Jv_JNI_ReleaseStringChars): Unmark string, not characters. (_Jv_JNI_GetPrimitiveArrayElements): Mark array, not elements. (_Jv_JNI_ReleasePrimitiveArrayElements): Unmark array, not elements. (_Jv_JNI_DefineClass): Make return value a local ref. (_Jv_JNI_FindClass): Likewise. (_Jv_JNI_GetSuperclass): Likewise. (_Jv_JNI_ExceptionOccurred): Likewise. (_Jv_JNI_AllocObject): Likewise. (_Jv_JNI_GetObjectClass): Likewise. (_Jv_JNI_CallAnyMethodV): Likewise. (_Jv_JNI_NewString): Likewise. (_Jv_JNI_NewStringUTF): Likewise. (_Jv_JNI_NewObjectArray): Likewise. (_Jv_JNI_GetObjectArrayElement): Likewise. (_Jv_JNI_ToReflectedField): Likewise. (_Jv_JNI_ToReflectedMethod): Likewise. (_Jv_JNIFunctions): Updated table for new functions. (_Jv_JNI_Init): New function. (mark_for_gc): Wrote. (unmark_for_gc): Wrote. * include/jni.h (struct JNINativeInterface): Removed name from PopLocalFrame parameter. (class _Jv_JNIEnv): Added `locals' field. From-SVN: r31730
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/* Allocate some unscanned, unmoveable memory. Return NULL if out of
memory. */
void *_Jv_MallocUnchecked (jsize size) __attribute__((__malloc__));
/* Initialize finalizers. The argument is a function to be called
when a finalizer is ready to be run. */
void _Jv_GCInitializeFinalizers (void (*notifier) (void));
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/* 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);
/* Disable and enable GC. */
void _Jv_DisableGC (void);
void _Jv_EnableGC (void);
/* Register a disappearing link. This is a field F which should be
cleared when *F is found to be inaccessible. This is used in the
implementation of java.lang.ref.Reference. */
void _Jv_GCRegisterDisappearingLink (jobject *objp);
/* Return true if OBJECT should be reclaimed. This is used to
implement soft references. */
jboolean _Jv_GCCanReclaimSoftReference (jobject obj);
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/* Return approximation of total size of heap. */
long _Jv_GCTotalMemory (void);
/* Return approximation of total free memory. */
long _Jv_GCFreeMemory (void);
/* Set initial heap size. If SIZE==0, ignore. Should be run before
_Jv_InitGC. Not required to have any actual effect. */
void _Jv_GCSetInitialHeapSize (size_t size);
/* Set maximum heap size. If SIZE==0, unbounded. Should be run
before _Jv_InitGC. Not required to have any actual effect. */
void _Jv_GCSetMaximumHeapSize (size_t size);
/* External interface to setting the heap size. Parses ARG (a number
which can optionally have "k" or "m" appended and calls
_Jv_GCSetInitialHeapSize. */
void _Jv_SetInitialHeapSize (const char *arg);
/* External interface to setting the maximum heap size. Parses ARG (a
number which can optionally have "k" or "m" appended and calls
_Jv_GCSetMaximumHeapSize. */
void _Jv_SetMaximumHeapSize (const char *arg);
extern "C" void JvRunMain (jclass klass, int argc, const char **argv);
void _Jv_RunMain (jclass klass, const char *name, int argc, const char **argv,
bool is_jar);
// Delayed until after _Jv_AllocBytes is declared.
//
// Note that we allocate this as unscanned memory -- the vtables
// are handled specially by the GC.
inline _Jv_VTable *
_Jv_VTable::new_vtable (int count)
{
size_t size = sizeof(_Jv_VTable) + (count - 1) * vtable_elt_size ();
return (_Jv_VTable *) _Jv_AllocBytes (size);
}
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// This function is used to determine the hash code of an object.
inline jint
_Jv_HashCode (jobject obj)
{
// This was chosen to yield relatively well distributed results on
// both 32- and 64-bit architectures. Note 0x7fffffff is prime.
// FIXME: we assume sizeof(long) == sizeof(void *).
return (jint) ((unsigned long) obj % 0x7fffffff);
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}
// Return a raw pointer to the elements of an array given the array
// and its element type. You might think we could just pick a single
// array type and use elements() on it, but we can't because we must
// account for alignment of the element type. When ARRAY is null, we
// obtain the number of bytes taken by the base part of the array.
inline char *
_Jv_GetArrayElementFromElementType (jobject array,
jclass element_type)
{
char *elts;
if (element_type == JvPrimClass (byte))
elts = (char *) elements ((jbyteArray) array);
else if (element_type == JvPrimClass (short))
elts = (char *) elements ((jshortArray) array);
else if (element_type == JvPrimClass (int))
elts = (char *) elements ((jintArray) array);
else if (element_type == JvPrimClass (long))
elts = (char *) elements ((jlongArray) array);
else if (element_type == JvPrimClass (boolean))
elts = (char *) elements ((jbooleanArray) array);
else if (element_type == JvPrimClass (char))
elts = (char *) elements ((jcharArray) array);
else if (element_type == JvPrimClass (float))
elts = (char *) elements ((jfloatArray) array);
else if (element_type == JvPrimClass (double))
elts = (char *) elements ((jdoubleArray) array);
else
elts = (char *) elements ((jobjectArray) array);
return elts;
}
extern "C" void _Jv_ThrowBadArrayIndex (jint bad_index)
__attribute__((noreturn));
extern "C" void _Jv_ThrowNullPointerException (void)
__attribute__((noreturn));
extern "C" jobject _Jv_NewArray (jint type, jint size)
__attribute__((__malloc__));
extern "C" jobject _Jv_NewMultiArray (jclass klass, jint dims, ...)
__attribute__((__malloc__));
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extern "C" void *_Jv_CheckCast (jclass klass, jobject obj);
extern "C" void *_Jv_LookupInterfaceMethod (jclass klass, Utf8Const *name,
resolve.cc (_Jv_SearchMethodInClass): New function. 2000-03-07 Bryce McKinlay <bryce@albatross.co.nz> * resolve.cc (_Jv_SearchMethodInClass): New function. (_Jv_ResolvePoolEntry): Search superinterfaces for interface methods. * java/lang/Class.h (_Jv_SearchMethodInClass): New prototype. 2000-03-07 Bryce McKinlay <bryce@albatross.co.nz> * java/lang/Class.h (union _Jv_IDispatchTable): New declaration. (struct _Jv_ifaces): New declaration. JV_CLASS: New macro definition. (getComponentType): Relocate below isArray() for inlining. (getModifiers): Declare `inline'. (getSuperclass): Ditto. (isArray): Ditto. (isPrimitive): Ditto. (_Jv_IsAssignableFrom): New prototype. (_Jv_LookupInterfaceMethodIdx): New prototype. Predeclare with "C" linkage. (_Jv_InitClass): Move from natClass.cc. Declare `inline'. Check for JV_STATE_DONE before invoking initializeClass(). (_Jv_PrepareConstantTimeTables): New prototype. (_Jv_GetInterfaces): Ditto. (_Jv_GenerateITable): Ditto. (_Jv_GetMethodString): Ditto. (_Jv_AppendPartialITable): Ditto. (_Jv_FindIIndex): Ditto. depth, ancestors, idt: New class fields. * java/lang/natClass.cc (isAssignableFrom): Move functionality to inline function `_Jv_IsAssignableFrom'. Use that function. (isInstance): Declare `inline'. (initializeClass): Get lock on class before checking `state'. Unlock before calling resolveClass0. Call _Jv_PrepareConstantTimeTables with the lock held. (_Jv_LookupInterfaceMethod): Use _Jv_GetMessageString. (_Jv_IsAssignableFrom): New inline function. Test assignability using class->depth and ancestor table. (_Jv_IsInstanceOf): Use _Jv_IsAssignableFrom. (_Jv_CheckCast): Move from prims.cc. Use JV_CLASS and _Jv_IsAssignableFrom. (_Jv_CheckArrayStore): Ditto. (_Jv_LookupInterfaceMethodIdx): New function. INITIAL_IOFFSETS_LEN, INITIAL_IFACES_LEN: New #defines. (_Jv_PrepareConstantTimeTables): New function. (_Jv_IndexOf): Ditto. (_Jv_GetInterfaces): Ditto. (_Jv_GenerateITable): Ditto. (_Jv_GetMethodString): Ditto. (_Jv_AppendPartialITable): Ditto. iindex_mutex, iindex_mutex_initialized: New static fields. (_Jv_FindIIndex): New function. * java/lang/natClassLoader.cc (_Jv_NewClass): Set new jclass fields. * prims.cc (_Jv_CheckCast): Moved to natClass.cc. (_Jv_CheckArrayStore): Ditto. (JvNewCharArray, JvNewBooleanArray, JvNewByteArray, JvNewShortArray, JvNewIntArray, JvNewLongArray, JvNewFloatArray, JvNewDoubleArray): Moved to gcj/array.h. (_Jv_Realloc): New function. * gcj/cni.h: Move _Jv_PrimClass definitions to gcj/array.h. * gcj/array.h: _Jv_PrimClass definitions moved from gcj/cni.h. (JvNewCharArray, JvNewBooleanArray, JvNewByteArray, JvNewShortArray, JvNewIntArray, JvNewLongArray, JvNewFloatArray, JvNewDoubleArray): Implementations moved from prims.cc and declared `inline'. * gcj/javaprims.h (_Jv_Realloc): Prototype. * include/jvm.h (_Jv_LookupInterfaceMethodIdx): Prototype. From-SVN: r32382
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Utf8Const *signature);
extern "C" void *_Jv_LookupInterfaceMethodIdx (jclass klass, jclass iface,
int meth_idx);
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extern "C" void _Jv_CheckArrayStore (jobject array, jobject obj);
extern "C" void _Jv_RegisterClass (jclass klass);
extern "C" void _Jv_RegisterClasses (jclass *classes);
extern "C" void _Jv_RegisterResource (void *vptr);
[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 16:06:23 +02:00
extern void _Jv_UnregisterClass (_Jv_Utf8Const*, java::lang::ClassLoader*);
extern void _Jv_ResolveField (_Jv_Field *, java::lang::ClassLoader*);
[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 16:06:23 +02:00
1999-04-07 16:42:40 +02:00
extern jclass _Jv_FindClass (_Jv_Utf8Const *name,
java::lang::ClassLoader *loader);
extern jclass _Jv_FindClassFromSignature (char *,
java::lang::ClassLoader *loader);
[multiple changes] 2000-01-04 Tom Tromey <tromey@cygnus.com> * java/lang/reflect/natConstructor.cc (newInstance): Pass declaring class as return_type argument to _Jv_CallNonvirtualMethodA. * java/lang/reflect/natMethod.cc (_Jv_CallNonvirtualMethodA): In constructor case, create object and use it as `this' argument. * java/lang/Class.h (_getConstructors): Declare. (_getFields): Declare. * java/lang/Class.java (getConstructors): Wrote. (_getConstructors): New native method. (getDeclaredConstructors): Wrote. (_getFields): Declare new native method. * java/lang/natClass.cc (_Jv_LookupInterfaceMethod): Removed incorrect comment. (getMethod): Work correctly when class is primitive. (getDeclaredMethods): Likewise. Compute offset using `method', not `mptr'. (getDeclaredMethod): Likewise. (getConstructor): Wrote. (ConstructorClass): New define. (getDeclaredConstructor): Wrote. (_getConstructors): New method. (_getFields): New method. (getFields): Wrote. * Makefile.in: Rebuilt. * Makefile.am (AM_CXXFLAGS): Added -D_GNU_SOURCE. * prims.cc: Remove `#pragma implementation'. * gcj/array.h: Remove `#pragma interface'. * prims.cc (_Jv_equaln): New function. * java/lang/Class.java (getSignature): Declare. * resolve.cc (_Jv_LookupDeclaredMethod): Moved to natClass.cc. * java/lang/natClass.cc (_Jv_LookupDeclaredMethod): Moved from resolve.cc. (getSignature): New method. (getDeclaredMethod): Wrote. (getMethod): Wrote. Include StringBuffer.h. * java/lang/Class.h (Class): Added _Jv_FromReflectedConstructor as a friend. Unconditionally declare _Jv_LookupDeclaredMethod as a friend. (getSignature): Declare. * include/jvm.h (_Jv_GetTypesFromSignature): Declare. (_Jv_equaln): Declare. (_Jv_CallNonvirtualMethodA): Declare. * Makefile.in: Rebuilt. * Makefile.am (nat_source_files): Added natConstructor.cc. (java/lang/reflect/Constructor.h): New target. * java/lang/reflect/natConstructor.cc: New file. * java/lang/reflect/Constructor.java (newInstance): Now native. (declaringClass): Renamed from decl_class. (offset): Renamed from index. (getType): New native method. (getModifiers): Now native. (getParameterTypes): Call getType if required. (hashCode): Include hash code from declaring class. (modifiers): Removed. (toString): Call getType if required. * gcj/method.h (_Jv_FromReflectedConstructor): New function. * java/lang/reflect/natMethod.cc (hack_call): New method. Removed `#if 0' around FFI code. Include <gnu/gcj/RawData.h>. (invoke): Use _Jv_CallNonvirtualMethodA. Throw IllegalArgumentException when argument object and class disagree. (_Jv_GetTypesFromSignature): New function. (getType): Use it. (ObjectClass): New define. (_Jv_CallNonvirtualMethodA): New function. * java/lang/reflect/Method.java (hack_trampoline): New method. (hack_call): New native method. 1999-12-21 Per Bothner <per@bothner.com> * java/lang/natClass.cc (getDeclaredMethods): Correctly compute offset in new Method. From-SVN: r31199
2000-01-04 09:46:52 +01:00
extern void _Jv_GetTypesFromSignature (jmethodID method,
jclass declaringClass,
JArray<jclass> **arg_types_out,
jclass *return_type_out);
extern jobject _Jv_CallAnyMethodA (jobject obj, jclass return_type,
jmethodID meth, jboolean is_constructor,
JArray<jclass> *parameter_types,
jobjectArray args);
union jvalue;
extern jthrowable _Jv_CallAnyMethodA (jobject obj,
jclass return_type,
jmethodID meth,
jboolean is_constructor,
JArray<jclass> *parameter_types,
jvalue *args,
jvalue *result);
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extern jobject _Jv_NewMultiArray (jclass, jint ndims, jint* dims)
__attribute__((__malloc__));
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/* 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);
}
/* get/set the name of the running executable. */
extern char *_Jv_ThisExecutable (void);
extern void _Jv_ThisExecutable (const char *);
/* Return a pointer to a symbol in executable or loaded library. */
void *_Jv_FindSymbolInExecutable (const char *);
prims.cc (_Jv_MallocUnchecked): New function. * prims.cc (_Jv_MallocUnchecked): New function. (main_init): Call _Jv_JNI_Init. * include/jvm.h (_Jv_MallocUnchecked): Declare. (_Jv_JNI_Init): Declare. * jni.cc: Include Hashtable.h, OutOfMemoryError.h, Integer.h, <string.h>. (_Jv_JNI_NewGlobalRef): New function. (_Jv_JNI_DeleteGlobalRef): New function. (_Jv_JNI_DeleteLocalRef): New function. (_Jv_JNI_conversion_call): Initialize and clear local reference frame. (_Jv_JNI_NewLocalRef): New function. (struct _Jv_JNI_LocalFrame): New structure. (_Jv_JNI_PushLocalFrame): New function. (_Jv_JNI_EnsureLocalCapacity): New function. (FRAME_SIZE): New define. (_Jv_JNI_GetStringChars): Mark string, not characters. (_Jv_JNI_ReleaseStringChars): Unmark string, not characters. (_Jv_JNI_GetPrimitiveArrayElements): Mark array, not elements. (_Jv_JNI_ReleasePrimitiveArrayElements): Unmark array, not elements. (_Jv_JNI_DefineClass): Make return value a local ref. (_Jv_JNI_FindClass): Likewise. (_Jv_JNI_GetSuperclass): Likewise. (_Jv_JNI_ExceptionOccurred): Likewise. (_Jv_JNI_AllocObject): Likewise. (_Jv_JNI_GetObjectClass): Likewise. (_Jv_JNI_CallAnyMethodV): Likewise. (_Jv_JNI_NewString): Likewise. (_Jv_JNI_NewStringUTF): Likewise. (_Jv_JNI_NewObjectArray): Likewise. (_Jv_JNI_GetObjectArrayElement): Likewise. (_Jv_JNI_ToReflectedField): Likewise. (_Jv_JNI_ToReflectedMethod): Likewise. (_Jv_JNIFunctions): Updated table for new functions. (_Jv_JNI_Init): New function. (mark_for_gc): Wrote. (unmark_for_gc): Wrote. * include/jni.h (struct JNINativeInterface): Removed name from PopLocalFrame parameter. (class _Jv_JNIEnv): Added `locals' field. From-SVN: r31730
2000-02-01 07:14:26 +01:00
/* Initialize JNI. */
extern void _Jv_JNI_Init (void);
natNativeThread.cc: New file. * gnu/gcj/jni/natNativeThread.cc: New file. * gnu/gcj/jni/NativeThread.java: New file. * java/lang/Thread.java (data): Now a RawData. * include/jvm.h (_Jv_GetCurrentJNIEnv, _Jv_SetCurrentJNIEnv): Declare. * Makefile.in: Rebuilt. * Makefile.am (java/lang/Thread.h): New target. (ordinary_java_source_files): Added NativeThread.java. (nat_source_files): Added natNativeThread.cc. * java/lang/natThread.cc: Include <jni.h> (struct natThread): Added `jni_env' field. (_Jv_GetCurrentJNIEnv): New function. (_Jv_SetCurrentJNIEnv): Likewise. (initialize_native): Initialize jni_env. Include RawData.h. * jni.cc (ThreadGroupClass): New define. (_Jv_JNI_InvokeFunctions): New structure. (JNI_GetCreatedJavaVMs): New function. (the_vm): New global. (JNI_GetDefaultJavaVMInitArgs): New function. Include NativeThread.h. (NativeThreadClass): New define. (_Jv_JNI_EnsureLocalCapacity): Return JNI_ERR, not -1. (_Jv_JNI_DestroyJavaVM): New function. (_Jv_JNI_AttachCurrentThread): New function. (_Jv_JNI_DetachCurrentThread): New function. (_Jv_JNI_GetEnv): New function. (JNI_CreateJavaVM): New function. (_Jv_JNI_GetJavaVM): New function. (_Jv_JNIFunctions): Added entry for GetJavaVM. * include/jni.h (JavaVMAttachArgs): New structure. (JNI_EDETACHED): New define. (JNI_EVERSION): Likewise. (JavaVM): Define properly. (struct JNIInvokeInterface): New structure. (class _Jv_JavaVM): New class. (JNI_OnLoad, JNI_OnUnload): Declare. (JNI_GetDefaultJavaVMInitArgs, JNI_CreateJavaVM, JNI_GetCreatedJavaVMs): Declare. (JavaVMInitArgs): New typedef. (JavaVMOption): Likewise. (JNI_ERR): New define. (JNI_OK): Likewise. From-SVN: r31901
2000-02-10 21:31:48 +01:00
/* Get or set the per-thread JNIEnv used by the invocation API. */
_Jv_JNIEnv *_Jv_GetCurrentJNIEnv ();
void _Jv_SetCurrentJNIEnv (_Jv_JNIEnv *);
struct _Jv_JavaVM;
_Jv_JavaVM *_Jv_GetJavaVM ();
// Some verification functions from defineclass.cc.
bool _Jv_VerifyFieldSignature (_Jv_Utf8Const*sig);
bool _Jv_VerifyMethodSignature (_Jv_Utf8Const*sig);
bool _Jv_VerifyClassName (unsigned char* ptr, _Jv_ushort length);
bool _Jv_VerifyClassName (_Jv_Utf8Const *name);
bool _Jv_VerifyIdentifier (_Jv_Utf8Const *);
bool _Jv_ClassNameSamePackage (_Jv_Utf8Const *name1, _Jv_Utf8Const *name2);
#ifdef ENABLE_JVMPI
#include "jvmpi.h"
extern void (*_Jv_JVMPI_Notify_OBJECT_ALLOC) (JVMPI_Event *event);
extern void (*_Jv_JVMPI_Notify_THREAD_START) (JVMPI_Event *event);
extern void (*_Jv_JVMPI_Notify_THREAD_END) (JVMPI_Event *event);
#endif
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#endif /* __JAVA_JVM_H__ */