-/* global.h ********************************************************************
+/* global.h - global definitions
- Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
+ Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
+ R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
+ C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
+ Institut f. Computersprachen - TU Wien
- See file COPYRIGHT for information on usage and disclaimer of warranties
+ This file is part of CACAO.
- Contains global definitions which are used in the whole program, includes
- some files and contains global used macros.
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
- Authors: Reinhard Grafl EMAIL: cacao@complang.tuwien.ac.at
- Andreas Krall (andi) EMAIL: cacao@complang.tuwien.ac.at
- Changes: Mark Probst (schani) EMAIL: cacao@complang.tuwien.ac.at
- Philipp Tomsich (phil) EMAIL: cacao@complang.tuwien.ac.at
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
- Last Change: $Id: global.h 139 1999-11-11 19:21:30Z andi $
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
-*******************************************************************************/
+ Contact: cacao@complang.tuwien.ac.at
-#ifndef __global_h_
-#define __global_h_
+ Authors: Reinhard Grafl
+ Andreas Krall
-#include "config.h"
+ Changes: Mark Probst
+ Philipp Tomsich
+ Edwin Steiner
+ Joseph Wenninger
-#define NEW_GC /* if enabled, includes the new gc. -- phil. */
+ $Id: global.h 1735 2004-12-07 14:33:27Z twisti $
-#define STATISTICS /* if enabled collects program statistics */
+*/
-/*
- * JIT_MARKER_SUPPORT is the define used to toggle Just-in-time generated
- * marker functions on and off.
- *
- * SIZE_FROM_CLASSINFO toggles between the bitmap_based and the new method
- * of determining the sizes of objects on the heap.
- */
-#undef JIT_MARKER_SUPPORT /* phil */
-#define SIZE_FROM_CLASSINFO
-/* standard includes **********************************************************/
+#ifndef _GLOBAL_H
+#define _GLOBAL_H
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
+#include "config.h"
+#include "types.h"
-#include "toolbox/memory.h"
-#include "toolbox/chain.h"
-#include "toolbox/list.h"
-#include "toolbox/loging.h"
-/* system dependent types *****************************************************/
+/* resolve typedef cycles *****************************************************/
-#include "types.h"
+typedef struct utf utf;
+typedef struct literalstring literalstring;
+typedef struct java_objectheader java_objectheader;
+typedef struct classinfo classinfo;
+typedef struct _vftbl vftbl_t;
+typedef u1* methodptr;
+typedef struct fieldinfo fieldinfo;
+typedef struct exceptiontable exceptiontable;
+typedef struct methodinfo methodinfo;
+typedef struct lineinfo lineinfo;
+typedef struct arraydescriptor arraydescriptor;
/* additional data types ******************************************************/
-typedef void *voidptr; /* generic pointer */
+typedef void *voidptr; /* generic pointer */
+typedef void (*functionptr) (); /* generic function pointer */
-typedef int bool; /* boolean data type */
+typedef int bool; /* boolean data type */
#define true 1
#define false 0
-#define PRIMITIVETYPE_COUNT 9 /* number of primitive types */
-typedef void (*functionptr) (); /* generic function pointer */
+/* additional includes ********************************************************/
+#include "toolbox/list.h"
+#include "vm/jit/inline/sets.h"
-#define MAX_ALIGN 8 /* most generic alignment for JavaVM values */
+
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+#include <pthread.h>
+#include <semaphore.h>
+#endif
+
+/* define path to rt.jar plus ending : ****************************************/
+
+#define CACAO_LIBRARY_PATH "/jre/lib/"ARCH_DIR"/"
+#define CACAO_RT_JAR_PATH "/jre/lib/rt.jar:"
+
+
+#define STATISTICS /* if enabled collects program statistics */
+
+/*
+ * SIZE_FROM_CLASSINFO toggles between the bitmap_based and the new method
+ * of determining the sizes of objects on the heap.
+ */
+#define SIZE_FROM_CLASSINFO
+
+/*
+ * CACAO_TYPECHECK activates typechecking (part of bytecode verification)
+ */
+#define CACAO_TYPECHECK
+
+/*
+ * TYPECHECK_STACK_COMPCAT activates full checking of computational
+ * categories for stack manipulations (POP,POP2,SWAP,DUP,DUP2,DUP_X1,
+ * DUP2_X1,DUP_X2,DUP2_X2).
+ */
+#define TYPECHECK_STACK_COMPCAT
+
+/*
+ * Macros for configuration of the typechecking code
+ *
+ * TYPECHECK_STATISTICS activates gathering statistical information.
+ * TYPEINFO_DEBUG activates debug checks and debug helpers in typeinfo.c
+ * TYPECHECK_DEBUG activates debug checks in typecheck.c
+ * TYPEINFO_DEBUG_TEST activates the typeinfo test at startup.
+ * TYPECHECK_VERBOSE_IMPORTANT activates important debug messages
+ * TYPECHECK_VERBOSE activates all debug messages
+ */
+#ifdef CACAO_TYPECHECK
+/*#define TYPECHECK_STATISTICS
+#define TYPEINFO_DEBUG
+#define TYPECHECK_DEBUG
+#define TYPEINFO_DEBUG_TEST
+#define TYPECHECK_VERBOSE
+#define TYPECHECK_VERBOSE_IMPORTANT*/
+#if defined(TYPECHECK_VERBOSE) || defined(TYPECHECK_VERBOSE_IMPORTANT)
+#define TYPECHECK_VERBOSE_OPT
+#endif
+#endif
+
+
+/* immediate data union */
+
+typedef union {
+ s4 i;
+ s8 l;
+ float f;
+ double d;
+ void *a;
+ functionptr fp;
+ u1 b[8];
+} imm_union;
-/* shutdown function **********************************************************/
+#define PRIMITIVETYPE_COUNT 9 /* number of primitive types */
+
+/* CAUTION: Don't change the numerical values! These constants are
+ * used as indices into the primitive type table.
+ */
+#define PRIMITIVETYPE_INT 0
+#define PRIMITIVETYPE_LONG 1
+#define PRIMITIVETYPE_FLOAT 2
+#define PRIMITIVETYPE_DOUBLE 3
+#define PRIMITIVETYPE_BYTE 4
+#define PRIMITIVETYPE_CHAR 5
+#define PRIMITIVETYPE_SHORT 6
+#define PRIMITIVETYPE_BOOLEAN 7
+#define PRIMITIVETYPE_VOID 8
-void cacao_shutdown(s4 status);
+
+#define MAX_ALIGN 8 /* most generic alignment for JavaVM values */
/* basic data types ***********************************************************/
+/* CAUTION: jit/jit.h relies on these numerical values! */
#define TYPE_INT 0 /* the JavaVM types must numbered in the */
#define TYPE_LONG 1 /* same order as the ICMD_Ixxx to ICMD_Axxx */
#define TYPE_FLOAT 2 /* instructions (LOAD and STORE) */
/* Java class file constants **************************************************/
#define MAGIC 0xcafebabe
-#define MINOR_VERSION 3
-#define MAJOR_VERSION 45
+#define MINOR_VERSION 0
+#define MAJOR_VERSION 48
#define CONSTANT_Class 7
#define CONSTANT_Fieldref 9
#define CONSTANT_NameAndType 12
#define CONSTANT_Utf8 1
-#define CONSTANT_Arraydescriptor 13
#define CONSTANT_UNUSED 0
#define ACC_PUBLIC 0x0001
#define ACC_PROTECTED 0x0004
#define ACC_STATIC 0x0008
#define ACC_FINAL 0x0010
+#define ACC_SUPER 0x0020
#define ACC_SYNCHRONIZED 0x0020
#define ACC_VOLATILE 0x0040
#define ACC_TRANSIENT 0x0080
#define ACC_NATIVE 0x0100
#define ACC_INTERFACE 0x0200
#define ACC_ABSTRACT 0x0400
-
-
-/* resolve typedef cycles *****************************************************/
-
-typedef struct utf utf;
-typedef struct literalstring literalstring;
-typedef struct java_objectheader java_objectheader;
-typedef struct classinfo classinfo;
-typedef struct vftbl vftbl;
-typedef u1* methodptr;
+#define ACC_STRICT 0x0800
/* constant pool entries *******************************************************
CONSTANT_Double constant_double yes
CONSTANT_NameAndType constant_nameandtype yes
CONSTANT_Utf8 unicode no
- CONSTANT_Arraydescriptor constant_arraydescriptor yes
CONSTANT_UNUSED -
*******************************************************************************/
char *text; /* pointer to text */
};
+
/* data structure of internal javastrings stored in global hashtable **********/
struct literalstring {
java_objectheader *string;
};
+
+/* data structure for storing information needed for a stacktrace across native functions*/
+
+typedef struct native_stackframeinfo native_stackframeinfo;
+
+struct native_stackframeinfo {
+ void *oldThreadspecificHeadValue;
+ void **addressOfThreadspecificHead;
+ methodinfo *method;
+#ifdef __ALPHA__
+ void *savedpv;
+#endif
+ void *beginOfJavaStackframe; /*only used if != 0*/
+ void *returnToFromNative;
+
+#if 0
+ void *returnFromNative;
+ void *addrReturnFromNative;
+ methodinfo *method;
+ struct native_stackframeinfo *next;
+ struct native_stackframeinfo *prev;
+#endif
+};
+
+
+typedef struct stacktraceelement stacktraceelement;
+
+struct stacktraceelement {
+#if POINTERSIZE == 8
+ u8 linenumber;
+#else
+ u4 linenumber;
+#endif
+ methodinfo *method;
+};
+
+
+typedef struct stackTraceBuffer stackTraceBuffer;
+
+struct stackTraceBuffer {
+ s4 needsFree;
+ stacktraceelement *start;
+ s4 size;
+ s4 full;
+};
+
+
+
+/* data structure for calls from c code to java methods */
+
+struct jni_callblock {
+ u8 itemtype;
+ u8 item;
+};
+
+typedef struct jni_callblock jni_callblock;
+
+
/* data structure for accessing hashtables ************************************/
typedef struct {
- u4 size;
- u4 entries; /* number of entries in the table */
- void **ptr; /* pointer to hashtable */
+ u4 size;
+ u4 entries; /* number of entries in the table */
+ void **ptr; /* pointer to hashtable */
} hashtable;
+
/* data structures of remaining constant pool entries *************************/
-typedef struct { /* Fieldref, Methodref and InterfaceMethodref */
+typedef struct { /* Fieldref, Methodref and InterfaceMethodref */
classinfo *class; /* class containing this field/method/interface */
utf *name; /* field/method/interface name */
utf *descriptor; /* field/method/interface type descriptor string */
} constant_FMIref;
+
typedef struct { /* Integer */
s4 value;
} constant_integer;
+
typedef struct { /* Float */
float value;
} constant_float;
+
typedef struct { /* Long */
s8 value;
} constant_long;
+
typedef struct { /* Double */
double value;
} constant_double;
+
typedef struct { /* NameAndType (Field or Method) */
utf *name; /* field/method name */
utf *descriptor; /* field/method type descriptor string */
} constant_nameandtype;
-/* arraydescriptor describes array types. Basic array types contain their
- type in the arraytype field, objectclass contains a class pointer for
- arrays of objects (arraytype == ARRAYTYPE_OBJECT), elementdescriptor
- contains a pointer to an arraydescriptor which describes the element
- types in the case of arrays of arrays (arraytype == ARRAYTYPE_ARRAY).
-*/
-
-typedef struct constant_arraydescriptor {
- int arraytype;
- classinfo *objectclass;
- struct constant_arraydescriptor *elementdescriptor;
-} constant_arraydescriptor;
-
/* data structures of the runtime system **************************************/
*/
struct java_objectheader { /* header for all objects */
- vftbl *vftbl; /* pointer to virtual function table */
+ vftbl_t *vftbl; /* pointer to virtual function table */
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ void *monitorPtr;
+#endif
};
/* arrays **********************************************************************
- All arrays are objects (they need the object header with a pointer to a
- vvftbl (array class table). There is only one class for all arrays. The
- type of an array is stored directly in the array object. Following types
- are defined:
+ All arrays are objects (they need the object header with a pointer
+ to a vftbl (array class table). There is one class for each array
+ type. The array type is described by an arraydescriptor struct
+ which is referenced by the vftbl.
*/
-#define ARRAYTYPE_INT 0
-#define ARRAYTYPE_LONG 1
-#define ARRAYTYPE_FLOAT 2
-#define ARRAYTYPE_DOUBLE 3
-#define ARRAYTYPE_BYTE 4
-#define ARRAYTYPE_CHAR 5
-#define ARRAYTYPE_SHORT 6
-#define ARRAYTYPE_BOOLEAN 7
-#define ARRAYTYPE_OBJECT 8
-#define ARRAYTYPE_ARRAY 9
+/* CAUTION: Don't change the numerical values! These constants (with
+ * the exception of ARRAYTYPE_OBJECT) are used as indices in the
+ * primitive type table.
+ */
+#define ARRAYTYPE_INT PRIMITIVETYPE_INT
+#define ARRAYTYPE_LONG PRIMITIVETYPE_LONG
+#define ARRAYTYPE_FLOAT PRIMITIVETYPE_FLOAT
+#define ARRAYTYPE_DOUBLE PRIMITIVETYPE_DOUBLE
+#define ARRAYTYPE_BYTE PRIMITIVETYPE_BYTE
+#define ARRAYTYPE_CHAR PRIMITIVETYPE_CHAR
+#define ARRAYTYPE_SHORT PRIMITIVETYPE_SHORT
+#define ARRAYTYPE_BOOLEAN PRIMITIVETYPE_BOOLEAN
+#define ARRAYTYPE_OBJECT PRIMITIVETYPE_VOID /* don't use as index! */
typedef struct java_arrayheader { /* header for all arrays */
java_objectheader objheader; /* object header */
#ifdef SIZE_FROM_CLASSINFO
s4 alignedsize; /* phil */
#endif
- s4 arraytype; /* array type from previous list */
} java_arrayheader;
typedef struct java_objectarray {
java_arrayheader header;
- classinfo *elementtype;
java_objectheader *data[1];
} java_objectarray;
-typedef struct java_arrayarray {
- java_arrayheader header;
- constant_arraydescriptor *elementdescriptor;
- java_arrayheader *data[1];
-} java_arrayarray;
-
/* structure for primitive classes ********************************************/
typedef struct primitivetypeinfo {
classinfo *class_wrap; /* class for wrapping primitive type */
classinfo *class_primitive; /* primitive class */
- char *wrapname; /* name of class for wrapping */
- char typesig; /* one character type signature */
- char *name; /* name of primitive class */
+ char *wrapname; /* name of class for wrapping */
+ char typesig; /* one character type signature */
+ char *name; /* name of primitive class */
+ char *arrayname; /* name of primitive array class */
+ classinfo *arrayclass; /* primitive array class */
+ vftbl_t *arrayvftbl; /* vftbl of primitive array class */
} primitivetypeinfo;
+
/* field, method and class structures *****************************************/
+typedef struct xtafldinfo {
+ bool fieldChecked;
+ classinfo *fldClassType;
+ classSet *XTAclassSet; /* field class type set */
+} xtafldinfo;
+
+
/* fieldinfo ******************************************************************/
-typedef struct fieldinfo {/* field of a class */
- s4 flags; /* ACC flags */
- s4 type; /* basic data type */
+struct fieldinfo { /* field of a class */
+ s4 flags; /* ACC flags */
+ s4 type; /* basic data type */
utf *name; /* name of field */
utf *descriptor; /* JavaVM descriptor string of field */
- s4 offset; /* offset from start of object (instance variables) */
+ s4 offset; /* offset from start of object (instance variables) */
- union { /* storage for static values (class variables) */
- s4 i;
- s8 l;
- float f;
- double d;
- void *a;
- } value;
+ imm_union value; /* storage for static values (class variables) */
-} fieldinfo;
+ classinfo *class; /* needed by typechecker. Could be optimized */
+ /* away by using constant_FMIref instead of */
+ /* fieldinfo throughout the compiler. */
+
+ xtafldinfo *xta;
+};
-struct basicblock;
/* exceptiontable *************************************************************/
-typedef struct xtable { /* exceptiontable entry in a method */
- s4 startpc; /* start pc of guarded area (inclusive) */
+struct exceptiontable { /* exceptiontable entry in a method */
+ s4 startpc; /* start pc of guarded area (inclusive) */
struct basicblock *start;
- s4 endpc; /* end pc of guarded area (exklusive) */
+ s4 endpc; /* end pc of guarded area (exklusive) */
struct basicblock *end;
- s4 handlerpc; /* pc of exception handler */
+ s4 handlerpc; /* pc of exception handler */
struct basicblock *handler;
- classinfo *catchtype; /* catchtype of exception (NULL == catchall) */
- struct xtable *next; /* used to build a list of exception when */
+ classinfo *catchtype; /* catchtype of exception (NULL == catchall) */
+ exceptiontable *next; /* used to build a list of exception when */
/* loops are copied */
- struct xtable *down; /* instead of the old array, a list is used */
-} xtable;
+ exceptiontable *down; /* instead of the old array, a list is used */
+};
+
+
+/* methodinfo static info ****************************************************/
+
+typedef struct xtainfo {
+ s4 XTAmethodUsed; /* XTA if used in callgraph - not used /used */
+ classSet *XTAclassSet; /* method class type set */
+ /*classSet *PartClassSet */ /* method class type set */
+ classSetNode *paramClassSet; /* cone set of methods parameters */
-typedef struct exceptiontable { /* exceptiontable entry in a method */
- s4 startpc; /* start pc of guarded area (inclusive) */
- s4 endpc; /* end pc of guarded area (exklusive) */
- s4 handlerpc; /* pc of exception handler */
- classinfo *catchtype; /* catchtype of exception (NULL == catchall) */
-} exceptiontable;
+ methSet *calls; /* methods this method calls */
+ methSet *calledBy; /* methods that call this method */
+ methSet *marked; /*not in Dez*/ /* methods that marked by this method */
+ methSet *markedBy;
+ fldSet *fldsUsed; /* fields used by this method */
+ /*methSetNode *interfaceCalls*/ /* methods this method calls as interface */
+ bool chgdSinceLastParse; /* Changed since last parse ? */
+} xtainfo;
+
+
+/* lineinfo *****************************************************************/
+
+struct lineinfo {
+ u2 start_pc;
+ u2 line_number;
+};
/* methodinfo *****************************************************************/
-typedef struct methodinfo { /* method structure */
- s4 flags; /* ACC flags */
- utf *name; /* name of method */
- utf *descriptor; /* JavaVM descriptor string of method */
- s4 returntype; /* only temporary valid, return type */
- s4 paramcount; /* only temporary valid, parameter count */
- u1 *paramtypes; /* only temporary valid, parameter types */
- classinfo *class; /* class, the method belongs to */
- s4 vftblindex; /* index of method in virtual function table
- (if it is a virtual method) */
- s4 maxstack; /* maximum stack depth of method */
- s4 maxlocals; /* maximum number of local variables */
- s4 jcodelength; /* length of JavaVM code */
- u1 *jcode; /* pointer to JavaVM code */
-
- s4 exceptiontablelength;/* exceptiontable length */
- exceptiontable *exceptiontable;
- /* the exceptiontable */
-
- u1 *stubroutine; /* stub for compiling or calling natives */
- s4 mcodelength; /* legth of generated machine code */
- u1 *mcode; /* pointer to machine code */
- u1 *entrypoint; /* entry point in machine code */
-
-} methodinfo;
+struct methodinfo { /* method structure */
+ java_objectheader header; /* we need this in jit's monitorenter */
+ s4 flags; /* ACC flags */
+ utf *name; /* name of method */
+ utf *descriptor; /* JavaVM descriptor string of method */
+ s4 returntype; /* only temporary valid, return type */
+ classinfo *returnclass; /* pointer to classinfo for the rtn type */ /*XTA*/
+ s4 paramcount; /* only temporary valid, parameter count */
+ u1 *paramtypes; /* only temporary valid, parameter types */
+ classinfo **paramclass; /* pointer to classinfo for a parameter */ /*XTA*/
+
+ bool isleafmethod; /* does method call subroutines */
+
+ classinfo *class; /* class, the method belongs to */
+ s4 vftblindex; /* index of method in virtual function */
+ /* table (if it is a virtual method) */
+ s4 maxstack; /* maximum stack depth of method */
+ s4 maxlocals; /* maximum number of local variables */
+ s4 jcodelength; /* length of JavaVM code */
+ u1 *jcode; /* pointer to JavaVM code */
+
+ s4 basicblockcount; /* number of basic blocks */
+ struct basicblock *basicblocks; /* points to basic block array */
+ s4 *basicblockindex; /* a table which contains for every byte */
+ /* of JavaVM code a basic block index if */
+ /* at this byte is the start of a basic */
+ /* block */
+
+ s4 instructioncount; /* number of JavaVM instructions */
+ struct instruction *instructions; /* points to intermediate code instructions */
+
+ s4 stackcount; /* number of stack elements */
+ struct stackelement *stack; /* points to intermediate code instructions */
+
+ s4 exceptiontablelength;/* exceptiontable length */
+ exceptiontable *exceptiontable; /* the exceptiontable */
+
+ u2 thrownexceptionscount;/* number of exceptions attribute */
+ classinfo **thrownexceptions; /* checked exceptions a method may throw */
+
+ u2 linenumbercount; /* number of linenumber attributes */
+ lineinfo *linenumbers; /* array of lineinfo items */
+
+ int c_debug_nr; /* a counter to number all BB with an */
+ /* unique value */
+
+ u1 *stubroutine; /* stub for compiling or calling natives */
+ s4 mcodelength; /* legth of generated machine code */
+ functionptr mcode; /* pointer to machine code */
+ functionptr entrypoint; /* entry point in machine code */
+
+ /*rtainfo rta;*/
+ xtainfo *xta;
+
+ s4 methodUsed; /* marked (might be used later) /not used /used */
+ s4 monoPoly; /* call is mono or poly or unknown */ /*RT stats */
+ /* should # method def'd and used be kept after static parse (will it be used?) */
+ s4 subRedefs;
+ s4 subRedefsUsed;
+ s4 nativelyoverloaded; /* used in header.c and only valid there */
+};
/* innerclassinfo *************************************************************/
typedef struct innerclassinfo {
classinfo *inner_class; /* inner class pointer */
classinfo *outer_class; /* outer class pointer */
- utf *name; /* innerclass name */
- s4 flags; /* ACC flags */
+ utf *name; /* innerclass name */
+ s4 flags; /* ACC flags */
} innerclassinfo;
+
/* classinfo ******************************************************************/
struct classinfo { /* class structure */
java_objectheader header; /* classes are also objects */
+ java_objectarray* signers;
+ struct java_security_ProtectionDomain* pd;
+ struct java_lang_VMClass* vmClass;
+ struct java_lang_reflect_Constructor* constructor;
+
+ s4 initializing_thread; /* gnu classpath */
+ s4 erroneous_state; /* gnu classpath */
+ struct gnu_classpath_RawData* vmData; /* gnu classpath */
s4 flags; /* ACC flags */
- utf *name; /* class name */
+ utf *name; /* class name */
s4 cpcount; /* number of entries in constant pool */
u1 *cptags; /* constant pool tags */
listnode listnode; /* linkage */
- bool initialized; /* true, if class already initialised */
+ bool initialized; /* true, if class already initialized */
+ bool initializing; /* flag for the compiler */
+ bool loaded; /* true, if class already loaded */
bool linked; /* true, if class already linked */
- s4 index; /* hierarchy depth (classes) or index
- (interfaces) */
+ s4 index; /* hierarchy depth (classes) or index */
+ /* (interfaces) */
s4 instancesize; /* size of an instance of this class */
#ifdef SIZE_FROM_CLASSINFO
- s4 alignedsize; /* size of an instance, aligned to the
- allocation size on the heap */
+ s4 alignedsize; /* size of an instance, aligned to the */
+ /* allocation size on the heap */
#endif
- vftbl *vftbl; /* pointer to virtual function table */
+ vftbl_t *vftbl; /* pointer to virtual function table */
methodinfo *finalizer; /* finalizer method */
-#ifdef JIT_MARKER_SUPPORT
- methodinfo *marker;
-#endif
- u2 innerclasscount; /* number of inner classes */
+ u2 innerclasscount; /* number of inner classes */
innerclassinfo *innerclass;
- classinfo *hashlink; /* link for external hash chain */
+ classinfo *hashlink; /* link for external hash chain */
+ bool classvftbl; /* has its own copy of the Class vtbl */
+
+ s4 classUsed; /* 0= not used 1 = used CO-RT */
+
+ classSetNode *impldBy; /* implemented by class set */
+ utf *packagename; /* full name of the package */
+ utf *sourcefile; /* classfile name containing this class */
+ java_objectheader *classloader; /* NULL for bootstrap classloader */
};
+/* check if class is an array class. Only use for linked classes! */
+#define CLASS_IS_ARRAY(clsinfo) ((clsinfo)->vftbl->arraydesc != NULL)
+
/* virtual function table ******************************************************
*******************************************************************************/
-struct vftbl {
+struct _vftbl {
methodptr *interfacetable[1]; /* interface table (access via macro) */
classinfo *class; /* class, the vtbl belongs to */
+ arraydescriptor *arraydesc; /* for array classes, otherwise NULL */
+
s4 vftbllength; /* virtual function table length */
s4 interfacetablelength; /* interface table length */
s4 baseval; /* base for runtime type check */
+ /* (-index for interfaces) */
s4 diffval; /* high - base for runtime type check */
s4 *interfacevftbllength; /* length of interface vftbls */
#define VFTBLINTERFACETABLE(v,i) (v)->interfacetable[-i]
-/* references to some system classes ******************************************/
+/* arraydescriptor ************************************************************
-extern classinfo *class_java_lang_Object;
-extern classinfo *class_java_lang_String;
-extern classinfo *class_java_lang_ClassCastException;
-extern classinfo *class_java_lang_NullPointerException;
-extern classinfo *class_java_lang_ArrayIndexOutOfBoundsException;
-extern classinfo *class_java_lang_NegativeArraySizeException;
-extern classinfo *class_java_lang_OutOfMemoryError;
-extern classinfo *class_java_lang_ArithmeticException;
-extern classinfo *class_java_lang_ArrayStoreException;
-extern classinfo *class_java_lang_ThreadDeath;
-extern classinfo *class_array;
+ For every array class an arraydescriptor is allocated which
+ describes the array class.
+ The arraydescriptor is referenced from the vftbl of the array
+ class.
-/* instances of some system classes *******************************************/
+*******************************************************************************/
-extern java_objectheader *proto_java_lang_ClassCastException;
-extern java_objectheader *proto_java_lang_NullPointerException;
-extern java_objectheader *proto_java_lang_ArrayIndexOutOfBoundsException;
-extern java_objectheader *proto_java_lang_NegativeArraySizeException;
-extern java_objectheader *proto_java_lang_OutOfMemoryError;
-extern java_objectheader *proto_java_lang_ArithmeticException;
-extern java_objectheader *proto_java_lang_ArrayStoreException;
-extern java_objectheader *proto_java_lang_ThreadDeath;
+struct arraydescriptor {
+ vftbl_t *componentvftbl; /* vftbl of the component type, NULL for primit. */
+ vftbl_t *elementvftbl; /* vftbl of the element type, NULL for primitive */
+ s2 arraytype; /* ARRAYTYPE_* constant */
+ s2 dimension; /* dimension of the array (always >= 1) */
+ s4 dataoffset; /* offset of the array data from object pointer */
+ s4 componentsize; /* size of a component in bytes */
+ s2 elementtype; /* ARRAYTYPE_* constant */
+};
/* flag variables *************************************************************/
-extern bool compileall;
-extern bool runverbose;
-extern bool verbose;
+extern bool cacao_initializing;
+
+#ifdef TYPECHECK_VERBOSE_OPT
+extern bool typecheckverbose;
+#endif
+/*extern int pClassHeir;*/
+/*extern int pCallgraph;*/
+/*extern int pOpcodes;*/
+/*extern int pStats;*/
-/* statistic variables ********************************************************/
+/*extern void RT_jit_parse(methodinfo *m);*/
-extern int count_class_infos;
-extern int count_const_pool_len;
-extern int count_vftbl_len;
-extern int count_utf_len;
-extern int count_all_methods;
-extern int count_vmcode_len;
-extern int count_extable_len;
-extern int count_class_loads;
-extern int count_class_inits;
-extern int count_utf_new;
-extern int count_utf_new_found;
/* table of primitive types ***************************************************/
+/* This array can be indexed by the PRIMITIVETYPE_ and ARRAYTYPE_
+ * constants (except ARRAYTYPE_OBJECT).
+ */
extern primitivetypeinfo primitivetype_table[PRIMITIVETYPE_COUNT];
+
+/* macros for descriptor parsing **********************************************/
+
+/* SKIP_FIELDDESCRIPTOR:
+ * utf_ptr must point to the first character of a field descriptor.
+ * After the macro call utf_ptr points to the first character after
+ * the field descriptor.
+ *
+ * CAUTION: This macro does not check for an unexpected end of the
+ * descriptor. Better use SKIP_FIELDDESCRIPTOR_SAFE.
+ */
+#define SKIP_FIELDDESCRIPTOR(utf_ptr) \
+ do { while (*(utf_ptr)=='[') (utf_ptr)++; \
+ if (*(utf_ptr)++=='L') \
+ while(*(utf_ptr)++ != ';') /* skip */; } while(0)
+
+/* SKIP_FIELDDESCRIPTOR_SAFE:
+ * utf_ptr must point to the first character of a field descriptor.
+ * After the macro call utf_ptr points to the first character after
+ * the field descriptor.
+ *
+ * Input:
+ * utf_ptr....points to first char of descriptor
+ * end_ptr....points to first char after the end of the string
+ * errorflag..must be initialized (to false) by the caller!
+ * Output:
+ * utf_ptr....points to first char after the descriptor
+ * errorflag..set to true if the string ended unexpectedly
+ */
+#define SKIP_FIELDDESCRIPTOR_SAFE(utf_ptr,end_ptr,errorflag) \
+ do { while ((utf_ptr) != (end_ptr) && *(utf_ptr)=='[') (utf_ptr)++; \
+ if ((utf_ptr) == (end_ptr)) \
+ (errorflag) = true; \
+ else \
+ if (*(utf_ptr)++=='L') { \
+ while((utf_ptr) != (end_ptr) && *(utf_ptr)++ != ';') \
+ /* skip */; \
+ if ((utf_ptr)[-1] != ';') \
+ (errorflag) = true; }} while(0)
+
+
+/* Synchronization ************************************************************/
+
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+void cast_lock();
+void cast_unlock();
+void compiler_lock();
+void compiler_unlock();
#endif
+#endif /* _GLOBAL_H */
+
/*
* These are local overrides for various environment variables in Emacs.
projects / cacao.git / blobdiff