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