/* global.h - global definitions
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
- M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
- P. Tomsich, J. Wenninger
+ 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
This file is part of CACAO.
Changes: Mark Probst
Philipp Tomsich
Edwin Steiner
+ Joseph Wenninger
- $Id: global.h 800 2003-12-16 22:47:59Z edwin $
+ $Id: global.h 1735 2004-12-07 14:33:27Z twisti $
*/
#include "config.h"
#include "types.h"
+
+
+/* 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_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 (*functionptr) (); /* generic function pointer */
+
+typedef int bool; /* boolean data type */
+
+#define true 1
+#define false 0
+
+
+/* additional includes ********************************************************/
+
#include "toolbox/list.h"
+#include "vm/jit/inline/sets.h"
+
#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 _GNU_SOURCE
#define STATISTICS /* if enabled collects program statistics */
*/
#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 activates all debug messages
*/
#ifdef CACAO_TYPECHECK
+/*#define TYPECHECK_STATISTICS
#define TYPEINFO_DEBUG
#define TYPECHECK_DEBUG
-/*#define TYPEINFO_DEBUG_TEST*/
+#define TYPEINFO_DEBUG_TEST
#define TYPECHECK_VERBOSE
-/*#define TYPECHECK_VERBOSE_IMPORTANT*/
+#define TYPECHECK_VERBOSE_IMPORTANT*/
#if defined(TYPECHECK_VERBOSE) || defined(TYPECHECK_VERBOSE_IMPORTANT)
#define TYPECHECK_VERBOSE_OPT
#endif
#endif
-/* additional data types ******************************************************/
-
-typedef void *voidptr; /* generic pointer */
-
-typedef int bool; /* boolean data type */
-
-#define true 1
-#define false 0
-
-
/* immediate data union */
typedef union {
- s4 i;
- s8 l;
- float f;
- double d;
- void *a;
- u1 b[8];
+ s4 i;
+ s8 l;
+ float f;
+ double d;
+ void *a;
+ functionptr fp;
+ u1 b[8];
} imm_union;
#define PRIMITIVETYPE_BOOLEAN 7
#define PRIMITIVETYPE_VOID 8
-typedef void (*functionptr) (); /* generic function pointer */
-
#define MAX_ALIGN 8 /* most generic alignment for JavaVM values */
-/* shutdown function **********************************************************/
-
-void cacao_shutdown(s4 status);
-
/* basic data types ***********************************************************/
/* 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 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
-#define ACC_STRICT 0x0800
-
-/* 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;
-typedef struct fieldinfo fieldinfo;
-typedef struct methodinfo methodinfo;
-typedef struct arraydescriptor arraydescriptor;
+#define ACC_STRICT 0x0800
/* constant pool entries *******************************************************
};
+/* 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 {
- u1 itemtype;
+ u8 itemtype;
u8 item;
};
*/
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
};
char *name; /* name of primitive class */
char *arrayname; /* name of primitive array class */
classinfo *arrayclass; /* primitive array class */
- vftbl *arrayvftbl; /* vftbl of primitive array class */
+ vftbl_t *arrayvftbl; /* vftbl of primitive array class */
} primitivetypeinfo;
/* field, method and class structures *****************************************/
-#include "sets.h"
typedef struct xtafldinfo {
bool fieldChecked;
classinfo *fldClassType;
imm_union value; /* storage for static values (class variables) */
- classinfo *class; /* XXX needed by typechecker. Could be optimized */
+ 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;
-
-
-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;
+ 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 */
methSet *calls; /* methods this method calls */
methSet *calledBy; /* methods that call this method */
- methSet *marked; /* methods that marked by this method */
- /*methSet *markedBy*/
+ 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 *****************************************************************/
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 */
- classinfo *returnclass; /* pointer to classinfo for the rtn type */ /*XTA*/
- s4 paramcount; /* only temporary valid, parameter count */
- u1 *paramtypes; /* only temporary valid, parameter types */
+ 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*/
-
- 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 */
+
+ 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 */
+ 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 subRedefs;
+ s4 subRedefsUsed;
+ s4 nativelyoverloaded; /* used in header.c and only valid there */
};
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;
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 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 */
- 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)
+#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 */
*******************************************************************************/
struct arraydescriptor {
- vftbl *componentvftbl; /* vftbl of the component type, NULL for primit. */
- vftbl *elementvftbl; /* vftbl of the element type, NULL for primitive */
- short arraytype; /* ARRAYTYPE_* constant */
- short 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 */
- short elementtype; /* ARRAYTYPE_* constant (XXX optimize away?) */
+ 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 */
};
-/* references to some system classes ******************************************/
-
-extern classinfo *class_java_lang_Object;
-extern classinfo *class_java_lang_String;
-extern classinfo *class_java_lang_Throwable;
-extern classinfo *class_java_lang_Cloneable;
-extern classinfo *class_java_io_Serializable;
-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 *pseudo_class_Arraystub;
-extern classinfo *pseudo_class_Null;
-extern classinfo *pseudo_class_New;
-extern vftbl *pseudo_class_Arraystub_vftbl;
-
-
-/* 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;
-
-
/* flag variables *************************************************************/
-extern bool compileall;
-extern bool runverbose;
-extern bool verbose;
-extern bool opt_rt; /* Rapid Type Analysis for better inlining CO-RT*/
-extern bool opt_xta; /* X Type Analysis for better inlining CO-XTA*/
-extern bool opt_vta; /* Variable Type Analysis for better inlining CO-VTA*/
-extern bool opt_verify; /* true if classfiles should be verified */
+extern bool cacao_initializing;
+
#ifdef TYPECHECK_VERBOSE_OPT
extern bool typecheckverbose;
#endif
/*extern void RT_jit_parse(methodinfo *m);*/
-/* statistic variables ********************************************************/
-
-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_
/* Synchronization ************************************************************/
#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-extern pthread_mutex_t compiler_mutex;
-extern int cast_counter;
-
void cast_lock();
-void cast_lock2();
+void cast_unlock();
+void compiler_lock();
+void compiler_unlock();
#endif
#endif /* _GLOBAL_H */