gcc/libjava/prims.cc

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// prims.cc - Code for core of runtime environment.
/* 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. */
#include <config.h>
#include <platform.h>
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#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
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#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <gcj/cni.h>
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#include <jvm.h>
#include <java-signal.h>
#include <java-threads.h>
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#ifdef ENABLE_JVMPI
#include <jvmpi.h>
#include <java/lang/ThreadGroup.h>
#endif
#ifndef DISABLE_GETENV_PROPERTIES
#include <ctype.h>
#include <java-props.h>
#define PROCESS_GCJ_PROPERTIES process_gcj_properties()
#else
#define PROCESS_GCJ_PROPERTIES
#endif // DISABLE_GETENV_PROPERTIES
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#include <java/lang/Class.h>
#include <java/lang/ClassLoader.h>
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#include <java/lang/Runtime.h>
#include <java/lang/String.h>
#include <java/lang/Thread.h>
#include <java/lang/ThreadGroup.h>
#include <java/lang/ArrayIndexOutOfBoundsException.h>
#include <java/lang/ArithmeticException.h>
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#include <java/lang/ClassFormatError.h>
#include <java/lang/InternalError.h>
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#include <java/lang/NegativeArraySizeException.h>
#include <java/lang/NullPointerException.h>
#include <java/lang/OutOfMemoryError.h>
#include <java/lang/System.h>
#include <java/lang/VMThrowable.h>
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#include <java/lang/reflect/Modifier.h>
#include <java/io/PrintStream.h>
#include <java/lang/UnsatisfiedLinkError.h>
#include <java/lang/VirtualMachineError.h>
#include <gnu/gcj/runtime/VMClassLoader.h>
#include <gnu/gcj/runtime/FinalizerThread.h>
#include <gnu/gcj/runtime/FirstThread.h>
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#ifdef USE_LTDL
#include <ltdl.h>
#endif
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// We allocate a single OutOfMemoryError exception which we keep
// around for use if we run out of memory.
static java::lang::OutOfMemoryError *no_memory;
// Largest representable size_t.
#define SIZE_T_MAX ((size_t) (~ (size_t) 0))
static const char *no_properties[] = { NULL };
// Properties set at compile time.
const char **_Jv_Compiler_Properties = no_properties;
// The JAR file to add to the beginning of java.class.path.
const char *_Jv_Jar_Class_Path;
#ifndef DISABLE_GETENV_PROPERTIES
// Property key/value pairs.
property_pair *_Jv_Environment_Properties;
#endif
// Stash the argv pointer to benefit native libraries that need it.
const char **_Jv_argv;
int _Jv_argc;
// Argument support.
int
_Jv_GetNbArgs (void)
{
// _Jv_argc is 0 if not explicitly initialized.
return _Jv_argc;
}
const char *
_Jv_GetSafeArg (int index)
{
if (index >=0 && index < _Jv_GetNbArgs ())
return _Jv_argv[index];
else
return "";
}
void
_Jv_SetArgs (int argc, const char **argv)
{
_Jv_argc = argc;
_Jv_argv = argv;
}
#ifdef ENABLE_JVMPI
// Pointer to JVMPI notification functions.
void (*_Jv_JVMPI_Notify_OBJECT_ALLOC) (JVMPI_Event *event);
void (*_Jv_JVMPI_Notify_THREAD_START) (JVMPI_Event *event);
void (*_Jv_JVMPI_Notify_THREAD_END) (JVMPI_Event *event);
#endif
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#ifdef HANDLE_SEGV
SIGNAL_HANDLER (catch_segv)
{
java::lang::NullPointerException *nullp
= new java::lang::NullPointerException;
MAKE_THROW_FRAME (nullp);
throw nullp;
}
#endif
#ifdef HANDLE_FPE
SIGNAL_HANDLER (catch_fpe)
{
java::lang::ArithmeticException *arithexception
= new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero"));
#ifdef HANDLE_DIVIDE_OVERFLOW
HANDLE_DIVIDE_OVERFLOW;
#else
MAKE_THROW_FRAME (arithexception);
#endif
throw arithexception;
}
#endif
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jboolean
_Jv_equalUtf8Consts (Utf8Const* a, Utf8Const *b)
{
int len;
_Jv_ushort *aptr, *bptr;
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if (a == b)
return true;
if (a->hash != b->hash)
return false;
len = a->length;
if (b->length != len)
return false;
aptr = (_Jv_ushort *)a->data;
bptr = (_Jv_ushort *)b->data;
len = (len + 1) >> 1;
while (--len >= 0)
if (*aptr++ != *bptr++)
return false;
return true;
}
/* True iff A is equal to STR.
HASH is STR->hashCode().
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*/
jboolean
_Jv_equal (Utf8Const* a, jstring str, jint hash)
{
if (a->hash != (_Jv_ushort) hash)
return false;
jint len = str->length();
jint i = 0;
jchar *sptr = _Jv_GetStringChars (str);
unsigned char* ptr = (unsigned char*) a->data;
unsigned char* limit = ptr + a->length;
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for (;; i++, sptr++)
[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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{
int ch = UTF8_GET (ptr, limit);
if (i == len)
return ch < 0;
if (ch != *sptr)
return false;
}
return true;
}
/* Like _Jv_equal, but stop after N characters. */
jboolean
_Jv_equaln (Utf8Const *a, jstring str, jint n)
{
jint len = str->length();
jint i = 0;
jchar *sptr = _Jv_GetStringChars (str);
unsigned char* ptr = (unsigned char*) a->data;
unsigned char* limit = ptr + a->length;
[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
for (; n-- > 0; i++, sptr++)
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{
int ch = UTF8_GET (ptr, limit);
if (i == len)
return ch < 0;
if (ch != *sptr)
return false;
}
return true;
}
/* Count the number of Unicode chars encoded in a given Ut8 string. */
int
_Jv_strLengthUtf8(char* str, int len)
{
unsigned char* ptr;
unsigned char* limit;
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int str_length;
ptr = (unsigned char*) str;
limit = ptr + len;
str_length = 0;
[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
2001-05-24 07:40:37 +02:00
for (; ptr < limit; str_length++)
{
if (UTF8_GET (ptr, limit) < 0)
return (-1);
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}
return (str_length);
}
/* Calculate a hash value for a string encoded in Utf8 format.
* This returns the same hash value as specified or java.lang.String.hashCode.
*/
static jint
hashUtf8String (char* str, int len)
{
unsigned char* ptr = (unsigned char*) str;
unsigned char* limit = ptr + len;
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jint hash = 0;
for (; ptr < limit;)
{
int ch = UTF8_GET (ptr, limit);
/* Updated specification from
http://www.javasoft.com/docs/books/jls/clarify.html. */
hash = (31 * hash) + ch;
}
return hash;
}
_Jv_Utf8Const *
_Jv_makeUtf8Const (char* s, int len)
{
if (len < 0)
len = strlen (s);
Utf8Const* m = (Utf8Const*) _Jv_AllocBytes (sizeof(Utf8Const) + len + 1);
memcpy (m->data, s, len);
m->data[len] = 0;
m->length = len;
m->hash = hashUtf8String (s, len) & 0xFFFF;
return (m);
}
[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
_Jv_Utf8Const *
_Jv_makeUtf8Const (jstring string)
{
jint hash = string->hashCode ();
jint len = _Jv_GetStringUTFLength (string);
Utf8Const* m = (Utf8Const*)
[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
2001-05-24 07:40:37 +02:00
_Jv_AllocBytes (sizeof(Utf8Const) + len + 1);
[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
m->hash = hash;
m->length = len;
_Jv_GetStringUTFRegion (string, 0, string->length (), m->data);
m->data[len] = 0;
return m;
}
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#ifdef DEBUG
void
_Jv_Abort (const char *function, const char *file, int line,
const char *message)
#else
void
_Jv_Abort (const char *, const char *, int, const char *message)
#endif
{
#ifdef DEBUG
fprintf (stderr,
"libgcj failure: %s\n in function %s, file %s, line %d\n",
message, function, file, line);
#else
fprintf (stderr, "libgcj failure: %s\n", message);
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#endif
abort ();
}
static void
fail_on_finalization (jobject)
{
JvFail ("object was finalized");
}
void
_Jv_GCWatch (jobject obj)
{
_Jv_RegisterFinalizer (obj, fail_on_finalization);
}
void
_Jv_ThrowBadArrayIndex(jint bad_index)
{
throw new java::lang::ArrayIndexOutOfBoundsException
(java::lang::String::valueOf (bad_index));
1999-04-07 16:42:40 +02:00
}
void
_Jv_ThrowNullPointerException ()
{
throw new java::lang::NullPointerException;
}
[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
2001-05-24 07:40:37 +02:00
// Explicitly throw a no memory exception.
// The collector calls this when it encounters an out-of-memory condition.
void _Jv_ThrowNoMemory()
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{
throw no_memory;
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}
#ifdef ENABLE_JVMPI
static void
jvmpi_notify_alloc(jclass klass, jint size, jobject obj)
{
// Service JVMPI allocation request.
if (__builtin_expect (_Jv_JVMPI_Notify_OBJECT_ALLOC != 0, false))
{
JVMPI_Event event;
event.event_type = JVMPI_EVENT_OBJECT_ALLOC;
event.env_id = NULL;
event.u.obj_alloc.arena_id = 0;
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
event.u.obj_alloc.class_id = (jobjectID) klass;
event.u.obj_alloc.is_array = 0;
event.u.obj_alloc.size = size;
event.u.obj_alloc.obj_id = (jobjectID) obj;
[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
2001-05-24 07:40:37 +02:00
// FIXME: This doesn't look right for the Boehm GC. A GC may
// already be in progress. _Jv_DisableGC () doesn't wait for it.
// More importantly, I don't see the need for disabling GC, since we
// blatantly have a pointer to obj on our stack, ensuring that the
// object can't be collected. Even for a nonconservative collector,
// it appears to me that this must be true, since we are about to
// return obj. Isn't this whole approach way too intrusive for
// a useful profiling interface? - HB
_Jv_DisableGC ();
(*_Jv_JVMPI_Notify_OBJECT_ALLOC) (&event);
_Jv_EnableGC ();
}
}
#else /* !ENABLE_JVMPI */
# define jvmpi_notify_alloc(klass,size,obj) /* do nothing */
#endif
// Allocate a new object of class KLASS. SIZE is the size of the object
// to allocate. You might think this is redundant, but it isn't; some
// classes, such as String, aren't of fixed size.
// First a version that assumes that we have no finalizer, and that
// the class is already initialized.
// If we know that JVMPI is disabled, this can be replaced by a direct call
// to the allocator for the appropriate GC.
jobject
_Jv_AllocObjectNoInitNoFinalizer (jclass klass, jint size)
{
jobject obj = (jobject) _Jv_AllocObj (size, klass);
jvmpi_notify_alloc (klass, size, obj);
return obj;
}
// And now a version that initializes if necessary.
jobject
_Jv_AllocObjectNoFinalizer (jclass klass, jint size)
{
_Jv_InitClass (klass);
jobject obj = (jobject) _Jv_AllocObj (size, klass);
jvmpi_notify_alloc (klass, size, obj);
return obj;
}
// And now the general version that registers a finalizer if necessary.
jobject
_Jv_AllocObject (jclass klass, jint size)
{
jobject obj = _Jv_AllocObjectNoFinalizer (klass, size);
// We assume that the compiler only generates calls to this routine
// if there really is an interesting finalizer.
// Unfortunately, we still have to the dynamic test, since there may
// be cni calls to this routine.
// Note that on IA64 get_finalizer() returns the starting address of the
// function, not a function pointer. Thus this still works.
if (klass->vtable->get_finalizer ()
!= java::lang::Object::class$.vtable->get_finalizer ())
_Jv_RegisterFinalizer (obj, _Jv_FinalizeObject);
1999-04-07 16:42:40 +02:00
return obj;
}
[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
2001-05-24 07:40:37 +02:00
// A version of the above that assumes the object contains no pointers,
// and requires no finalization. This can't happen if we need pointers
// to locks.
#ifdef JV_HASH_SYNCHRONIZATION
jobject
_Jv_AllocPtrFreeObject (jclass klass, jint size)
{
_Jv_InitClass (klass);
jobject obj = (jobject) _Jv_AllocPtrFreeObj (size, klass);
#ifdef ENABLE_JVMPI
// Service JVMPI request.
if (__builtin_expect (_Jv_JVMPI_Notify_OBJECT_ALLOC != 0, false))
{
JVMPI_Event event;
event.event_type = JVMPI_EVENT_OBJECT_ALLOC;
event.env_id = NULL;
event.u.obj_alloc.arena_id = 0;
event.u.obj_alloc.class_id = (jobjectID) klass;
event.u.obj_alloc.is_array = 0;
event.u.obj_alloc.size = size;
event.u.obj_alloc.obj_id = (jobjectID) obj;
_Jv_DisableGC ();
(*_Jv_JVMPI_Notify_OBJECT_ALLOC) (&event);
_Jv_EnableGC ();
}
#endif
return obj;
}
#endif /* JV_HASH_SYNCHRONIZATION */
1999-04-07 16:42:40 +02:00
// Allocate a new array of Java objects. Each object is of type
// `elementClass'. `init' is used to initialize each slot in the
// array.
jobjectArray
_Jv_NewObjectArray (jsize count, jclass elementClass, jobject init)
{
if (__builtin_expect (count < 0, false))
throw new java::lang::NegativeArraySizeException;
1999-04-07 16:42:40 +02:00
JvAssert (! elementClass->isPrimitive ());
In gcc/java: * class.c (make_class_data): Push initial value for "arrayclass". * decl.c (init_decl_processing): Add new class field "arrayclass". In libjava: * java/lang/Class.h (_Jv_InitClass): Use __builtin_expect. (_Jv_NewArrayClass): Renamed from _Jv_FindArrayClass. (_Jv_GetArrayClass): New inline function. (arrayclass): New field. * prims.cc (_Jv_NewObjectArray): Use _Jv_GetArrayClass. Don't use _Jv_GetArrayElementFromElementType. (_Jv_NewPrimArray): Ditto. (_Jv_PrimClass constructor): Initialize "depth", "ancestors", and "idt" for completeness. Initialze "arrayclass" using _Jv_NewArrayClass. Set Modifier::ABSTRACT. * java/lang/natClassLoader.cc (_Jv_NewClass): Initialize "arrayclass". (_Jv_NewArrayClass): Renamed from _Jv_FindArrayClass. Now void. Now synchronized. Array classes are now referenced from elementClass->arrayclass. Don't use _Jv_FindClassInCache. Set array classes' accessibility flags correctly. Optimize so that all array classes share the same IDT. * java/lang/reflect/natArray.cc (newInstance): Use _Jv_GetArrayClass. * java/lang/reflect/natMethod.cc (_Jv_GetTypesFromSignature): Ditto. * java/lang/natClass.cc (_getFields): Increment offset. Prevent fields in superclasses from overwriting classes own fields. (_Jv_IsAssignableFrom): Check for NULL source idt instead of calling Modifier::isAbstract(). (null_idt): New static field. (_Jv_PrepareConstantTimeTables): Optimize case where class implements no interfaces. (_Jv_IndexOf): Made inline. * boehm.cc (_Jv_MarkObj): Mark "arrayclass" field. From-SVN: r38808
2001-01-09 00:28:56 +01:00
// Ensure that elements pointer is properly aligned.
jobjectArray obj = NULL;
In gcc/java: * class.c (make_class_data): Push initial value for "arrayclass". * decl.c (init_decl_processing): Add new class field "arrayclass". In libjava: * java/lang/Class.h (_Jv_InitClass): Use __builtin_expect. (_Jv_NewArrayClass): Renamed from _Jv_FindArrayClass. (_Jv_GetArrayClass): New inline function. (arrayclass): New field. * prims.cc (_Jv_NewObjectArray): Use _Jv_GetArrayClass. Don't use _Jv_GetArrayElementFromElementType. (_Jv_NewPrimArray): Ditto. (_Jv_PrimClass constructor): Initialize "depth", "ancestors", and "idt" for completeness. Initialze "arrayclass" using _Jv_NewArrayClass. Set Modifier::ABSTRACT. * java/lang/natClassLoader.cc (_Jv_NewClass): Initialize "arrayclass". (_Jv_NewArrayClass): Renamed from _Jv_FindArrayClass. Now void. Now synchronized. Array classes are now referenced from elementClass->arrayclass. Don't use _Jv_FindClassInCache. Set array classes' accessibility flags correctly. Optimize so that all array classes share the same IDT. * java/lang/reflect/natArray.cc (newInstance): Use _Jv_GetArrayClass. * java/lang/reflect/natMethod.cc (_Jv_GetTypesFromSignature): Ditto. * java/lang/natClass.cc (_getFields): Increment offset. Prevent fields in superclasses from overwriting classes own fields. (_Jv_IsAssignableFrom): Check for NULL source idt instead of calling Modifier::isAbstract(). (null_idt): New static field. (_Jv_PrepareConstantTimeTables): Optimize case where class implements no interfaces. (_Jv_IndexOf): Made inline. * boehm.cc (_Jv_MarkObj): Mark "arrayclass" field. From-SVN: r38808
2001-01-09 00:28:56 +01:00
size_t size = (size_t) elements (obj);
size += count * sizeof (jobject);
[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
natClassLoader.cc (_Jv_PrepareCompiledClass): Call _Jv_PushClass. 2002-12-03 Andrew Haley <aph@redhat.com> * java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Call _Jv_PushClass. (_Jv_InitNewClassFields): Set protectionDomain and chain = NULL. (_Jv_PopClass): New. (_Jv_PushClass): New. * java/lang/natClass.cc (forName (jstring)): Use a StackTrace to discover the ClassLoader of our caller. (_Jv_CheckArrayStore): Don't check that a class is assignment compatible with Object. * java/lang/natVMTHrowable.cc: Delete. * gnu/gcj/runtime/StackTrace.java: New, partly copied from java.lang.VMThrowable. (StackTrace(), StackTrace(int)): New constructors. (classAt, methodAt, update, methodAtAddress): New methods. (map): New field. * java/lang/VMThrowable.java: Use StackTrace instead of natVMTHrowable. * java/lang/Class.h (getClassLoaderInternal): New. (class Class): Be friendly with _Jv_PopClass and _Jv_PushClass. Be friendly with gnu::gcj::runtime::StackTrace. (Object.chain): New field. * include/java-interp.h (class _Jv_InterpMethod): Be friendly with gnu::gcj::runtime::StackTrace. * prims.cc (_Jv_NewObjectArray): Use getClassLoaderInternal() instead of getClassLoader(). * verify.cc (class _Jv_BytecodeVerifier): Likewise. java::lang::VMThrowable. * Makefile.am (core_java_source_files): Add MethodRef.java, StackTrace.java. (nat_source_files): Remove natVMThrowable.cc; add natStackTrace.cc. * Makefile.in: Rebuild. 2002-12-03 Andrew Haley <aph@redhat.com> * class.c (make_class_data): New field, "chain". * decl.c (java_init_decl_processing): Likewise. From-SVN: r59769
2002-12-03 14:50:05 +01:00
jclass klass = _Jv_GetArrayClass (elementClass,
elementClass->getClassLoaderInternal());
[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
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
obj = (jobjectArray) _Jv_AllocArray (size, klass);
// Cast away const.
jsize *lp = const_cast<jsize *> (&obj->length);
*lp = count;
1999-04-07 16:42:40 +02:00
// We know the allocator returns zeroed memory. So don't bother
// zeroing it again.
if (init)
{
In gcc/java: * class.c (make_class_data): Push initial value for "arrayclass". * decl.c (init_decl_processing): Add new class field "arrayclass". In libjava: * java/lang/Class.h (_Jv_InitClass): Use __builtin_expect. (_Jv_NewArrayClass): Renamed from _Jv_FindArrayClass. (_Jv_GetArrayClass): New inline function. (arrayclass): New field. * prims.cc (_Jv_NewObjectArray): Use _Jv_GetArrayClass. Don't use _Jv_GetArrayElementFromElementType. (_Jv_NewPrimArray): Ditto. (_Jv_PrimClass constructor): Initialize "depth", "ancestors", and "idt" for completeness. Initialze "arrayclass" using _Jv_NewArrayClass. Set Modifier::ABSTRACT. * java/lang/natClassLoader.cc (_Jv_NewClass): Initialize "arrayclass". (_Jv_NewArrayClass): Renamed from _Jv_FindArrayClass. Now void. Now synchronized. Array classes are now referenced from elementClass->arrayclass. Don't use _Jv_FindClassInCache. Set array classes' accessibility flags correctly. Optimize so that all array classes share the same IDT. * java/lang/reflect/natArray.cc (newInstance): Use _Jv_GetArrayClass. * java/lang/reflect/natMethod.cc (_Jv_GetTypesFromSignature): Ditto. * java/lang/natClass.cc (_getFields): Increment offset. Prevent fields in superclasses from overwriting classes own fields. (_Jv_IsAssignableFrom): Check for NULL source idt instead of calling Modifier::isAbstract(). (null_idt): New static field. (_Jv_PrepareConstantTimeTables): Optimize case where class implements no interfaces. (_Jv_IndexOf): Made inline. * boehm.cc (_Jv_MarkObj): Mark "arrayclass" field. From-SVN: r38808
2001-01-09 00:28:56 +01:00
jobject *ptr = elements(obj);
1999-04-07 16:42:40 +02:00
while (--count >= 0)
*ptr++ = init;
}
return obj;
}
// Allocate a new array of primitives. ELTYPE is the type of the
// element, COUNT is the size of the array.
jobject
_Jv_NewPrimArray (jclass eltype, jint count)
{
int elsize = eltype->size();
if (__builtin_expect (count < 0, false))
throw new java::lang::NegativeArraySizeException;
1999-04-07 16:42:40 +02:00
JvAssert (eltype->isPrimitive ());
jobject dummy = NULL;
size_t size = (size_t) _Jv_GetArrayElementFromElementType (dummy, eltype);
1999-04-07 16:42:40 +02:00
// Check for overflow.
if (__builtin_expect ((size_t) count >
(SIZE_T_MAX - size) / elsize, false))
throw no_memory;
1999-04-07 16:42:40 +02:00
In gcc/java: * class.c (make_class_data): Push initial value for "arrayclass". * decl.c (init_decl_processing): Add new class field "arrayclass". In libjava: * java/lang/Class.h (_Jv_InitClass): Use __builtin_expect. (_Jv_NewArrayClass): Renamed from _Jv_FindArrayClass. (_Jv_GetArrayClass): New inline function. (arrayclass): New field. * prims.cc (_Jv_NewObjectArray): Use _Jv_GetArrayClass. Don't use _Jv_GetArrayElementFromElementType. (_Jv_NewPrimArray): Ditto. (_Jv_PrimClass constructor): Initialize "depth", "ancestors", and "idt" for completeness. Initialze "arrayclass" using _Jv_NewArrayClass. Set Modifier::ABSTRACT. * java/lang/natClassLoader.cc (_Jv_NewClass): Initialize "arrayclass". (_Jv_NewArrayClass): Renamed from _Jv_FindArrayClass. Now void. Now synchronized. Array classes are now referenced from elementClass->arrayclass. Don't use _Jv_FindClassInCache. Set array classes' accessibility flags correctly. Optimize so that all array classes share the same IDT. * java/lang/reflect/natArray.cc (newInstance): Use _Jv_GetArrayClass. * java/lang/reflect/natMethod.cc (_Jv_GetTypesFromSignature): Ditto. * java/lang/natClass.cc (_getFields): Increment offset. Prevent fields in superclasses from overwriting classes own fields. (_Jv_IsAssignableFrom): Check for NULL source idt instead of calling Modifier::isAbstract(). (null_idt): New static field. (_Jv_PrepareConstantTimeTables): Optimize case where class implements no interfaces. (_Jv_IndexOf): Made inline. * boehm.cc (_Jv_MarkObj): Mark "arrayclass" field. From-SVN: r38808
2001-01-09 00:28:56 +01:00
jclass klass = _Jv_GetArrayClass (eltype, 0);
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
[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
2001-05-24 07:40:37 +02:00
# ifdef JV_HASH_SYNCHRONIZATION
// Since the vtable is always statically allocated,
// these are completely pointerfree! Make sure the GC doesn't touch them.
__JArray *arr =
(__JArray*) _Jv_AllocPtrFreeObj (size + elsize * count, klass);
memset((char *)arr + size, 0, elsize * count);
# else
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
__JArray *arr = (__JArray*) _Jv_AllocObj (size + elsize * count, klass);
[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
2001-05-24 07:40:37 +02:00
// Note that we assume we are given zeroed memory by the allocator.
# endif
// Cast away const.
jsize *lp = const_cast<jsize *> (&arr->length);
*lp = count;
1999-04-07 16:42:40 +02:00
return arr;
}
jobject
_Jv_NewArray (jint type, jint size)
{
switch (type)
{
case 4: return JvNewBooleanArray (size);
case 5: return JvNewCharArray (size);
case 6: return JvNewFloatArray (size);
case 7: return JvNewDoubleArray (size);
case 8: return JvNewByteArray (size);
case 9: return JvNewShortArray (size);
case 10: return JvNewIntArray (size);
case 11: return JvNewLongArray (size);
}
throw new java::lang::InternalError
(JvNewStringLatin1 ("invalid type code in _Jv_NewArray"));
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}
// Allocate a possibly multi-dimensional array but don't check that
// any array length is <0.
static jobject
_Jv_NewMultiArrayUnchecked (jclass type, jint dimensions, jint *sizes)
1999-04-07 16:42:40 +02:00
{
JvAssert (type->isArray());
jclass element_type = type->getComponentType();
jobject result;
if (element_type->isPrimitive())
result = _Jv_NewPrimArray (element_type, sizes[0]);
else
result = _Jv_NewObjectArray (sizes[0], element_type, NULL);
if (dimensions > 1)
{
JvAssert (! element_type->isPrimitive());
JvAssert (element_type->isArray());
jobject *contents = elements ((jobjectArray) result);
for (int i = 0; i < sizes[0]; ++i)
contents[i] = _Jv_NewMultiArrayUnchecked (element_type, dimensions - 1,
sizes + 1);
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}
return result;
}
jobject
_Jv_NewMultiArray (jclass type, jint dimensions, jint *sizes)
{
for (int i = 0; i < dimensions; ++i)
if (sizes[i] < 0)
throw new java::lang::NegativeArraySizeException;
return _Jv_NewMultiArrayUnchecked (type, dimensions, sizes);
}
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jobject
_Jv_NewMultiArray (jclass array_type, jint dimensions, ...)
{
va_list args;
jint sizes[dimensions];
va_start (args, dimensions);
for (int i = 0; i < dimensions; ++i)
{
jint size = va_arg (args, jint);
if (size < 0)
throw new java::lang::NegativeArraySizeException;
1999-04-07 16:42:40 +02:00
sizes[i] = size;
}
va_end (args);
return _Jv_NewMultiArrayUnchecked (array_type, dimensions, sizes);
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}
// Ensure 8-byte alignment, for hash synchronization.
#define DECLARE_PRIM_TYPE(NAME) \
_Jv_ArrayVTable _Jv_##NAME##VTable; \
java::lang::Class _Jv_##NAME##Class __attribute__ ((aligned (8)));
DECLARE_PRIM_TYPE(byte)
DECLARE_PRIM_TYPE(short)
DECLARE_PRIM_TYPE(int)
DECLARE_PRIM_TYPE(long)
DECLARE_PRIM_TYPE(boolean)
DECLARE_PRIM_TYPE(char)
DECLARE_PRIM_TYPE(float)
DECLARE_PRIM_TYPE(double)
DECLARE_PRIM_TYPE(void)
void
_Jv_InitPrimClass (jclass cl, char *cname, char sig, int len,
_Jv_ArrayVTable *array_vtable)
{
using namespace java::lang::reflect;
_Jv_InitNewClassFields (cl);
// We must set the vtable for the class; the Java constructor
// doesn't do this.
(*(_Jv_VTable **) cl) = java::lang::Class::class$.vtable;
// Initialize the fields we care about. We do this in the same
// order they are declared in Class.h.
cl->name = _Jv_makeUtf8Const ((char *) cname, -1);
cl->accflags = Modifier::PUBLIC | Modifier::FINAL | Modifier::ABSTRACT;
cl->method_count = sig;
cl->size_in_bytes = len;
cl->vtable = JV_PRIMITIVE_VTABLE;
cl->state = JV_STATE_DONE;
cl->depth = -1;
if (sig != 'V')
_Jv_NewArrayClass (cl, NULL, (_Jv_VTable *) array_vtable);
}
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jclass
_Jv_FindClassFromSignature (char *sig, java::lang::ClassLoader *loader)
{
switch (*sig)
{
case 'B':
return JvPrimClass (byte);
case 'S':
return JvPrimClass (short);
case 'I':
return JvPrimClass (int);
case 'J':
return JvPrimClass (long);
case 'Z':
return JvPrimClass (boolean);
case 'C':
return JvPrimClass (char);
case 'F':
return JvPrimClass (float);
case 'D':
return JvPrimClass (double);
case 'V':
return JvPrimClass (void);
case 'L':
{
int i;
for (i = 1; sig[i] && sig[i] != ';'; ++i)
;
_Jv_Utf8Const *name = _Jv_makeUtf8Const (&sig[1], i - 1);
return _Jv_FindClass (name, loader);
}
case '[':
{
jclass klass = _Jv_FindClassFromSignature (&sig[1], loader);
if (! klass)
return NULL;
return _Jv_GetArrayClass (klass, loader);
}
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}
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return NULL; // Placate compiler.
}
JArray<jstring> *
JvConvertArgv (int argc, const char **argv)
{
if (argc < 0)
argc = 0;
jobjectArray ar = JvNewObjectArray(argc, &StringClass, NULL);
jobject *ptr = elements(ar);
jbyteArray bytes = NULL;
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for (int i = 0; i < argc; i++)
{
const char *arg = argv[i];
int len = strlen (arg);
if (bytes == NULL || bytes->length < len)
bytes = JvNewByteArray (len);
jbyte *bytePtr = elements (bytes);
// We assume jbyte == char.
memcpy (bytePtr, arg, len);
// Now convert using the default encoding.
*ptr++ = new java::lang::String (bytes, 0, len);
1999-04-07 16:42:40 +02:00
}
return (JArray<jstring>*) ar;
}
// FIXME: These variables are static so that they will be
// automatically scanned by the Boehm collector. This is needed
// because with qthreads the collector won't scan the initial stack --
// it will only scan the qthreads stacks.
// Command line arguments.
static JArray<jstring> *arg_vec;
1999-04-07 16:42:40 +02:00
// The primary thread.
static java::lang::Thread *main_thread;
#ifndef DISABLE_GETENV_PROPERTIES
static char *
next_property_key (char *s, size_t *length)
{
size_t l = 0;
JvAssert (s);
// Skip over whitespace
while (isspace (*s))
s++;
// If we've reached the end, return NULL. Also return NULL if for
// some reason we've come across a malformed property string.
if (*s == 0
|| *s == ':'
|| *s == '=')
return NULL;
// Determine the length of the property key.
while (s[l] != 0
&& ! isspace (s[l])
&& s[l] != ':'
&& s[l] != '=')
{
if (s[l] == '\\'
&& s[l+1] != 0)
l++;
l++;
}
*length = l;
return s;
}
static char *
next_property_value (char *s, size_t *length)
{
size_t l = 0;
JvAssert (s);
while (isspace (*s))
s++;
if (*s == ':'
|| *s == '=')
s++;
while (isspace (*s))
s++;
// If we've reached the end, return NULL.
if (*s == 0)
return NULL;
// Determine the length of the property value.
while (s[l] != 0
&& ! isspace (s[l])
&& s[l] != ':'
&& s[l] != '=')
{
if (s[l] == '\\'
&& s[l+1] != 0)
l += 2;
else
l++;
}
*length = l;
return s;
}
static void
process_gcj_properties ()
{
char *props = getenv("GCJ_PROPERTIES");
char *p = props;
size_t length;
size_t property_count = 0;
if (NULL == props)
return;
// Whip through props quickly in order to count the number of
// property values.
while (p && (p = next_property_key (p, &length)))
{
// Skip to the end of the key
p += length;
p = next_property_value (p, &length);
if (p)
p += length;
property_count++;
}
// Allocate an array of property value/key pairs.
_Jv_Environment_Properties =
(property_pair *) malloc (sizeof(property_pair)
* (property_count + 1));
// Go through the properties again, initializing _Jv_Properties
// along the way.
p = props;
property_count = 0;
while (p && (p = next_property_key (p, &length)))
{
_Jv_Environment_Properties[property_count].key = p;
_Jv_Environment_Properties[property_count].key_length = length;
// Skip to the end of the key
p += length;
p = next_property_value (p, &length);
_Jv_Environment_Properties[property_count].value = p;
_Jv_Environment_Properties[property_count].value_length = length;
if (p)
p += length;
property_count++;
}
memset ((void *) &_Jv_Environment_Properties[property_count],
0, sizeof (property_pair));
{
size_t i = 0;
// Null terminate the strings.
while (_Jv_Environment_Properties[i].key)
{
_Jv_Environment_Properties[i].key[_Jv_Environment_Properties[i].key_length] = 0;
_Jv_Environment_Properties[i++].value[_Jv_Environment_Properties[i].value_length] = 0;
}
}
}
#endif // DISABLE_GETENV_PROPERTIES
namespace gcj
{
_Jv_Utf8Const *void_signature;
_Jv_Utf8Const *clinit_name;
_Jv_Utf8Const *init_name;
_Jv_Utf8Const *finit_name;
bool runtimeInitialized = false;
}
jint
_Jv_CreateJavaVM (void* /*vm_args*/)
{
using namespace gcj;
if (runtimeInitialized)
return -1;
runtimeInitialized = true;
PROCESS_GCJ_PROPERTIES;
_Jv_InitThreads ();
_Jv_InitGC ();
_Jv_InitializeSyncMutex ();
/* Initialize Utf8 constants declared in jvm.h. */
void_signature = _Jv_makeUtf8Const ("()V", 3);
clinit_name = _Jv_makeUtf8Const ("<clinit>", 8);
init_name = _Jv_makeUtf8Const ("<init>", 6);
finit_name = _Jv_makeUtf8Const ("finit$", 6);
/* Initialize built-in classes to represent primitive TYPEs. */
_Jv_InitPrimClass (&_Jv_byteClass, "byte", 'B', 1, &_Jv_byteVTable);
_Jv_InitPrimClass (&_Jv_shortClass, "short", 'S', 2, &_Jv_shortVTable);
_Jv_InitPrimClass (&_Jv_intClass, "int", 'I', 4, &_Jv_intVTable);
_Jv_InitPrimClass (&_Jv_longClass, "long", 'J', 8, &_Jv_longVTable);
_Jv_InitPrimClass (&_Jv_booleanClass, "boolean", 'Z', 1, &_Jv_booleanVTable);
_Jv_InitPrimClass (&_Jv_charClass, "char", 'C', 2, &_Jv_charVTable);
_Jv_InitPrimClass (&_Jv_floatClass, "float", 'F', 4, &_Jv_floatVTable);
_Jv_InitPrimClass (&_Jv_doubleClass, "double", 'D', 8, &_Jv_doubleVTable);
_Jv_InitPrimClass (&_Jv_voidClass, "void", 'V', 0, &_Jv_voidVTable);
// Turn stack trace generation off while creating exception objects.
_Jv_InitClass (&java::lang::VMThrowable::class$);
java::lang::VMThrowable::trace_enabled = 0;
INIT_SEGV;
#ifdef HANDLE_FPE
INIT_FPE;
#endif
natClassLoader.cc (_Jv_PrepareCompiledClass): Call _Jv_PushClass. 2002-12-03 Andrew Haley <aph@redhat.com> * java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Call _Jv_PushClass. (_Jv_InitNewClassFields): Set protectionDomain and chain = NULL. (_Jv_PopClass): New. (_Jv_PushClass): New. * java/lang/natClass.cc (forName (jstring)): Use a StackTrace to discover the ClassLoader of our caller. (_Jv_CheckArrayStore): Don't check that a class is assignment compatible with Object. * java/lang/natVMTHrowable.cc: Delete. * gnu/gcj/runtime/StackTrace.java: New, partly copied from java.lang.VMThrowable. (StackTrace(), StackTrace(int)): New constructors. (classAt, methodAt, update, methodAtAddress): New methods. (map): New field. * java/lang/VMThrowable.java: Use StackTrace instead of natVMTHrowable. * java/lang/Class.h (getClassLoaderInternal): New. (class Class): Be friendly with _Jv_PopClass and _Jv_PushClass. Be friendly with gnu::gcj::runtime::StackTrace. (Object.chain): New field. * include/java-interp.h (class _Jv_InterpMethod): Be friendly with gnu::gcj::runtime::StackTrace. * prims.cc (_Jv_NewObjectArray): Use getClassLoaderInternal() instead of getClassLoader(). * verify.cc (class _Jv_BytecodeVerifier): Likewise. java::lang::VMThrowable. * Makefile.am (core_java_source_files): Add MethodRef.java, StackTrace.java. (nat_source_files): Remove natVMThrowable.cc; add natStackTrace.cc. * Makefile.in: Rebuild. 2002-12-03 Andrew Haley <aph@redhat.com> * class.c (make_class_data): New field, "chain". * decl.c (java_init_decl_processing): Likewise. From-SVN: r59769
2002-12-03 14:50:05 +01:00
no_memory = new java::lang::OutOfMemoryError;
natClassLoader.cc (_Jv_PrepareCompiledClass): Call _Jv_PushClass. 2002-12-03 Andrew Haley <aph@redhat.com> * java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Call _Jv_PushClass. (_Jv_InitNewClassFields): Set protectionDomain and chain = NULL. (_Jv_PopClass): New. (_Jv_PushClass): New. * java/lang/natClass.cc (forName (jstring)): Use a StackTrace to discover the ClassLoader of our caller. (_Jv_CheckArrayStore): Don't check that a class is assignment compatible with Object. * java/lang/natVMTHrowable.cc: Delete. * gnu/gcj/runtime/StackTrace.java: New, partly copied from java.lang.VMThrowable. (StackTrace(), StackTrace(int)): New constructors. (classAt, methodAt, update, methodAtAddress): New methods. (map): New field. * java/lang/VMThrowable.java: Use StackTrace instead of natVMTHrowable. * java/lang/Class.h (getClassLoaderInternal): New. (class Class): Be friendly with _Jv_PopClass and _Jv_PushClass. Be friendly with gnu::gcj::runtime::StackTrace. (Object.chain): New field. * include/java-interp.h (class _Jv_InterpMethod): Be friendly with gnu::gcj::runtime::StackTrace. * prims.cc (_Jv_NewObjectArray): Use getClassLoaderInternal() instead of getClassLoader(). * verify.cc (class _Jv_BytecodeVerifier): Likewise. java::lang::VMThrowable. * Makefile.am (core_java_source_files): Add MethodRef.java, StackTrace.java. (nat_source_files): Remove natVMThrowable.cc; add natStackTrace.cc. * Makefile.in: Rebuild. 2002-12-03 Andrew Haley <aph@redhat.com> * class.c (make_class_data): New field, "chain". * decl.c (java_init_decl_processing): Likewise. From-SVN: r59769
2002-12-03 14:50:05 +01:00
java::lang::VMThrowable::trace_enabled = 1;
natClassLoader.cc (_Jv_PrepareCompiledClass): Call _Jv_PushClass. 2002-12-03 Andrew Haley <aph@redhat.com> * java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Call _Jv_PushClass. (_Jv_InitNewClassFields): Set protectionDomain and chain = NULL. (_Jv_PopClass): New. (_Jv_PushClass): New. * java/lang/natClass.cc (forName (jstring)): Use a StackTrace to discover the ClassLoader of our caller. (_Jv_CheckArrayStore): Don't check that a class is assignment compatible with Object. * java/lang/natVMTHrowable.cc: Delete. * gnu/gcj/runtime/StackTrace.java: New, partly copied from java.lang.VMThrowable. (StackTrace(), StackTrace(int)): New constructors. (classAt, methodAt, update, methodAtAddress): New methods. (map): New field. * java/lang/VMThrowable.java: Use StackTrace instead of natVMTHrowable. * java/lang/Class.h (getClassLoaderInternal): New. (class Class): Be friendly with _Jv_PopClass and _Jv_PushClass. Be friendly with gnu::gcj::runtime::StackTrace. (Object.chain): New field. * include/java-interp.h (class _Jv_InterpMethod): Be friendly with gnu::gcj::runtime::StackTrace. * prims.cc (_Jv_NewObjectArray): Use getClassLoaderInternal() instead of getClassLoader(). * verify.cc (class _Jv_BytecodeVerifier): Likewise. java::lang::VMThrowable. * Makefile.am (core_java_source_files): Add MethodRef.java, StackTrace.java. (nat_source_files): Remove natVMThrowable.cc; add natStackTrace.cc. * Makefile.in: Rebuild. 2002-12-03 Andrew Haley <aph@redhat.com> * class.c (make_class_data): New field, "chain". * decl.c (java_init_decl_processing): Likewise. From-SVN: r59769
2002-12-03 14:50:05 +01:00
#ifdef USE_LTDL
LTDL_SET_PRELOADED_SYMBOLS ();
#endif
_Jv_platform_initialize ();
_Jv_JNI_Init ();
_Jv_GCInitializeFinalizers (&::gnu::gcj::runtime::FinalizerThread::finalizerReady);
// Start the GC finalizer thread. A VirtualMachineError can be
// thrown by the runtime if, say, threads aren't available. In this
// case finalizers simply won't run.
try
{
using namespace gnu::gcj::runtime;
FinalizerThread *ft = new FinalizerThread ();
ft->start ();
}
catch (java::lang::VirtualMachineError *ignore)
{
}
return 0;
}
void
_Jv_RunMain (jclass klass, const char *name, int argc, const char **argv,
bool is_jar)
{
_Jv_SetArgs (argc, argv);
java::lang::Runtime *runtime = NULL;
try
{
// Set this very early so that it is seen when java.lang.System
// is initialized.
if (is_jar)
_Jv_Jar_Class_Path = strdup (name);
_Jv_CreateJavaVM (NULL);
// Get the Runtime here. We want to initialize it before searching
// for `main'; that way it will be set up if `main' is a JNI method.
runtime = java::lang::Runtime::getRuntime ();
2002-02-07 04:24:12 +01:00
#ifdef DISABLE_MAIN_ARGS
arg_vec = JvConvertArgv (0, 0);
#else
arg_vec = JvConvertArgv (argc - 1, argv + 1);
2002-02-07 04:24:12 +01:00
#endif
using namespace gnu::gcj::runtime;
if (klass)
main_thread = new FirstThread (klass, arg_vec);
else
main_thread = new FirstThread (JvNewStringLatin1 (name),
arg_vec, is_jar);
}
catch (java::lang::Throwable *t)
{
java::lang::System::err->println (JvNewStringLatin1
("Exception during runtime initialization"));
t->printStackTrace();
runtime->exit (1);
}
_Jv_AttachCurrentThread (main_thread);
_Jv_ThreadRun (main_thread);
_Jv_ThreadWait ();
int status = (int) java::lang::ThreadGroup::had_uncaught_exception;
runtime->exit (status);
}
void
JvRunMain (jclass klass, int argc, const char **argv)
{
_Jv_RunMain (klass, NULL, argc, argv, false);
1999-04-07 16:42:40 +02:00
}
// Parse a string and return a heap size.
static size_t
parse_heap_size (const char *spec)
{
char *end;
unsigned long val = strtoul (spec, &end, 10);
if (*end == 'k' || *end == 'K')
val *= 1024;
else if (*end == 'm' || *end == 'M')
val *= 1048576;
return (size_t) val;
}
// Set the initial heap size. This might be ignored by the GC layer.
// This must be called before _Jv_RunMain.
void
_Jv_SetInitialHeapSize (const char *arg)
{
size_t size = parse_heap_size (arg);
_Jv_GCSetInitialHeapSize (size);
}
// Set the maximum heap size. This might be ignored by the GC layer.
// This must be called before _Jv_RunMain.
void
_Jv_SetMaximumHeapSize (const char *arg)
{
size_t size = parse_heap_size (arg);
_Jv_GCSetMaximumHeapSize (size);
}
[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
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
void *
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
2000-03-07 10:52:56 +01:00
_Jv_Malloc (jsize size)
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
{
if (__builtin_expect (size == 0, false))
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
size = 1;
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
2000-03-07 10:52:56 +01:00
void *ptr = malloc ((size_t) size);
if (__builtin_expect (ptr == NULL, false))
throw no_memory;
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
2000-03-07 10:52:56 +01:00
return ptr;
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
}
1999-04-07 16:42:40 +02:00
void *
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
2000-03-07 10:52:56 +01:00
_Jv_Realloc (void *ptr, jsize size)
1999-04-07 16:42:40 +02:00
{
if (__builtin_expect (size == 0, false))
1999-04-07 16:42:40 +02:00
size = 1;
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
2000-03-07 10:52:56 +01:00
ptr = realloc (ptr, (size_t) size);
if (__builtin_expect (ptr == NULL, false))
throw no_memory;
1999-04-07 16:42:40 +02:00
return ptr;
}
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
2000-03-07 10:52:56 +01:00
void *
_Jv_MallocUnchecked (jsize size)
{
if (__builtin_expect (size == 0, false))
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
2000-03-07 10:52:56 +01:00
size = 1;
return malloc ((size_t) size);
}
1999-04-07 16:42:40 +02:00
void
_Jv_Free (void* ptr)
{
return free (ptr);
}
// In theory, these routines can be #ifdef'd away on machines which
// support divide overflow signals. However, we never know if some
// code might have been compiled with "-fuse-divide-subroutine", so we
// always include them in libgcj.
jint
_Jv_divI (jint dividend, jint divisor)
{
if (__builtin_expect (divisor == 0, false))
{
java::lang::ArithmeticException *arithexception
= new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero"));
throw arithexception;
}
[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
if (dividend == (jint) 0x80000000L && divisor == -1)
return dividend;
return dividend / divisor;
}
jint
_Jv_remI (jint dividend, jint divisor)
{
if (__builtin_expect (divisor == 0, false))
{
java::lang::ArithmeticException *arithexception
= new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero"));
throw arithexception;
}
[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
if (dividend == (jint) 0x80000000L && divisor == -1)
return 0;
return dividend % divisor;
}
jlong
_Jv_divJ (jlong dividend, jlong divisor)
{
if (__builtin_expect (divisor == 0, false))
{
java::lang::ArithmeticException *arithexception
= new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero"));
throw arithexception;
}
[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
if (dividend == (jlong) 0x8000000000000000LL && divisor == -1)
return dividend;
return dividend / divisor;
}
jlong
_Jv_remJ (jlong dividend, jlong divisor)
{
if (__builtin_expect (divisor == 0, false))
{
java::lang::ArithmeticException *arithexception
= new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero"));
throw arithexception;
}
[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
if (dividend == (jlong) 0x8000000000000000LL && divisor == -1)
return 0;
return dividend % divisor;
}