-/* -*- mode: c; tab-width: 4; c-basic-offset: 4 -*- */
-/****************************** builtin.c **************************************
+/* builtin.c - functions for unsupported operations
- Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
+ 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
- See file COPYRIGHT for information on usage and disclaimer of warranties
+ This file is part of CACAO.
- Enthaelt die C-Funktionen fuer alle JavaVM-Befehle, die sich nicht direkt
- auf Maschinencode "ubersetzen lassen. Im Code f"ur die Methoden steht
- dann ein Funktionsaufruf (nat"urlich mit den Aufrufskonventionen von C).
+ 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 EMAIL: cacao@complang.tuwien.ac.at
- Mark Probst 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: 1996/12/03
+ 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
-#include <assert.h>
-#include <values.h>
+ Authors: Reinhard Grafl
+ Andreas Krall
+ Mark Probst
+
+ Contains C functions for JavaVM Instructions that cannot be
+ translated to machine language directly. Consequently, the
+ generated machine code for these instructions contains function
+ calls instead of machine instructions, using the C calling
+ convention.
+
+ $Id: builtin.c 557 2003-11-02 22:51:59Z twisti $
+*/
+
+
+#include <assert.h>
#include "global.h"
#include "builtin.h"
-
#include "loader.h"
#include "tables.h"
-
#include "threads/thread.h"
-#include "threads/locks.h" /* schani */
+#include "threads/locks.h"
+#include "toolbox/loging.h"
+
+#include "native-math.h"
-#include "sysdep/native-math.h"
builtin_descriptor builtin_desc[] = {
- {(functionptr) builtin_instanceof, "instanceof"},
- {(functionptr) builtin_checkcast, "checkcast"},
- {(functionptr) new_builtin_checkcast, "checkcast"},
- {(functionptr) new_builtin_checkclasscast, "checkclasscast"},
- {(functionptr) new_builtin_checkintercast, "checkintercast"},
- {(functionptr) builtin_arrayinstanceof, "arrayinstanceof"},
- {(functionptr) builtin_checkarraycast, "checkarraycast"},
- {(functionptr) new_builtin_checkarraycast, "checkarraycast"},
- {(functionptr) new_builtin_aastore, "aastore"},
- {(functionptr) builtin_new, "new"},
+ {(functionptr) builtin_instanceof, "instanceof"},
+ {(functionptr) builtin_checkcast, "checkcast"},
+ {(functionptr) asm_builtin_checkcast, "checkcast"},
+ {(functionptr) builtin_arrayinstanceof, "arrayinstanceof"},
+#if defined(__I386__)
+ {(functionptr) asm_builtin_arrayinstanceof,"arrayinstanceof"},
+#endif
+ {(functionptr) builtin_checkarraycast, "checkarraycast"},
+ {(functionptr) asm_builtin_checkarraycast, "checkarraycast"},
+ {(functionptr) asm_builtin_aastore, "aastore"},
+ {(functionptr) builtin_new, "new"},
{(functionptr) builtin_anewarray, "anewarray"},
- {(functionptr) builtin_newarray_array, "newarray_array"},
+ {(functionptr) builtin_newarray_array, "newarray_array"},
+#if defined(__I386__)
+ /* have 2 parameters (needs stack manipulation) */
+ {(functionptr) asm_builtin_anewarray, "anewarray"},
+ {(functionptr) asm_builtin_newarray_array, "newarray_array"},
+#endif
{(functionptr) builtin_newarray_boolean, "newarray_boolean"},
- {(functionptr) builtin_newarray_char, "newarray_char"},
- {(functionptr) builtin_newarray_float, "newarray_float"},
- {(functionptr) builtin_newarray_double, "newarray_double"},
- {(functionptr) builtin_newarray_byte, "newarray_byte"},
- {(functionptr) builtin_newarray_short, "newarray_short"},
- {(functionptr) builtin_newarray_int, "newarray_int"},
- {(functionptr) builtin_newarray_long, "newarray_long"},
+ {(functionptr) builtin_newarray_char, "newarray_char"},
+ {(functionptr) builtin_newarray_float, "newarray_float"},
+ {(functionptr) builtin_newarray_double, "newarray_double"},
+ {(functionptr) builtin_newarray_byte, "newarray_byte"},
+ {(functionptr) builtin_newarray_short, "newarray_short"},
+ {(functionptr) builtin_newarray_int, "newarray_int"},
+ {(functionptr) builtin_newarray_long, "newarray_long"},
{(functionptr) builtin_displaymethodstart, "displaymethodstart"},
{(functionptr) builtin_displaymethodstop, "displaymethodstop"},
- {(functionptr) builtin_monitorenter, "monitorenter"},
- {(functionptr) new_builtin_monitorenter, "monitorenter"},
- {(functionptr) builtin_monitorexit, "monitorexit"},
- {(functionptr) new_builtin_monitorexit, "monitorexit"},
- {(functionptr) builtin_idiv, "idiv"},
- {(functionptr) new_builtin_idiv, "idiv"},
- {(functionptr) builtin_irem, "irem"},
- {(functionptr) new_builtin_irem, "irem"},
- {(functionptr) builtin_ladd, "ladd"},
- {(functionptr) builtin_lsub, "lsub"},
- {(functionptr) builtin_lmul, "lmul"},
- {(functionptr) builtin_ldiv, "ldiv"},
- {(functionptr) new_builtin_ldiv, "ldiv"},
- {(functionptr) builtin_lrem, "lrem"},
- {(functionptr) new_builtin_lrem, "lrem"},
- {(functionptr) builtin_lshl, "lshl"},
- {(functionptr) builtin_lshr, "lshr"},
- {(functionptr) builtin_lushr, "lushr"},
- {(functionptr) builtin_land, "land"},
- {(functionptr) builtin_lor, "lor"},
- {(functionptr) builtin_lxor, "lxor"},
- {(functionptr) builtin_lneg, "lneg"},
- {(functionptr) builtin_lcmp, "lcmp"},
- {(functionptr) builtin_fadd, "fadd"},
- {(functionptr) builtin_fsub, "fsub"},
- {(functionptr) builtin_fmul, "fmul"},
- {(functionptr) builtin_fdiv, "fdiv"},
- {(functionptr) builtin_frem, "frem"},
- {(functionptr) builtin_fneg, "fneg"},
- {(functionptr) builtin_fcmpl, "fcmpl"},
- {(functionptr) builtin_fcmpg, "fcmpg"},
- {(functionptr) builtin_dadd, "dadd"},
- {(functionptr) builtin_dsub, "dsub"},
- {(functionptr) builtin_dmul, "dmul"},
- {(functionptr) builtin_ddiv, "ddiv"},
- {(functionptr) builtin_drem, "drem"},
- {(functionptr) builtin_dneg, "dneg"},
- {(functionptr) builtin_dcmpl, "dcmpl"},
- {(functionptr) builtin_dcmpg, "dcmpg"},
- {(functionptr) builtin_i2l, "i2l"},
- {(functionptr) builtin_i2f, "i2f"},
- {(functionptr) builtin_i2d, "i2d"},
- {(functionptr) builtin_l2i, "l2i"},
- {(functionptr) builtin_l2f, "l2f"},
- {(functionptr) builtin_l2d, "l2d"},
- {(functionptr) builtin_f2i, "f2i"},
- {(functionptr) builtin_f2l, "f2l"},
- {(functionptr) builtin_f2d, "f2d"},
- {(functionptr) builtin_d2i, "d2i"},
- {(functionptr) builtin_d2l, "d2l"},
- {(functionptr) builtin_d2f, "d2f"},
- {(functionptr) NULL, "unknown"}
- };
+ {(functionptr) builtin_monitorenter, "monitorenter"},
+ {(functionptr) asm_builtin_monitorenter, "monitorenter"},
+ {(functionptr) builtin_monitorexit, "monitorexit"},
+ {(functionptr) asm_builtin_monitorexit, "monitorexit"},
+#if !SUPPORT_DIVISION
+ {(functionptr) builtin_idiv, "idiv"},
+ {(functionptr) asm_builtin_idiv, "idiv"},
+ {(functionptr) builtin_irem, "irem"},
+ {(functionptr) asm_builtin_irem, "irem"},
+#endif
+ {(functionptr) builtin_ladd, "ladd"},
+ {(functionptr) builtin_lsub, "lsub"},
+ {(functionptr) builtin_lmul, "lmul"},
+#if !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_MULDIV)
+ {(functionptr) builtin_ldiv, "ldiv"},
+ {(functionptr) asm_builtin_ldiv, "ldiv"},
+ {(functionptr) builtin_lrem, "lrem"},
+ {(functionptr) asm_builtin_lrem, "lrem"},
+#endif
+ {(functionptr) builtin_lshl, "lshl"},
+ {(functionptr) builtin_lshr, "lshr"},
+ {(functionptr) builtin_lushr, "lushr"},
+ {(functionptr) builtin_land, "land"},
+ {(functionptr) builtin_lor, "lor"},
+ {(functionptr) builtin_lxor, "lxor"},
+ {(functionptr) builtin_lneg, "lneg"},
+ {(functionptr) builtin_lcmp, "lcmp"},
+ {(functionptr) builtin_fadd, "fadd"},
+ {(functionptr) builtin_fsub, "fsub"},
+ {(functionptr) builtin_fmul, "fmul"},
+ {(functionptr) builtin_fdiv, "fdiv"},
+ {(functionptr) builtin_frem, "frem"},
+ {(functionptr) builtin_fneg, "fneg"},
+ {(functionptr) builtin_fcmpl, "fcmpl"},
+ {(functionptr) builtin_fcmpg, "fcmpg"},
+ {(functionptr) builtin_dadd, "dadd"},
+ {(functionptr) builtin_dsub, "dsub"},
+ {(functionptr) builtin_dmul, "dmul"},
+ {(functionptr) builtin_ddiv, "ddiv"},
+ {(functionptr) builtin_drem, "drem"},
+ {(functionptr) builtin_dneg, "dneg"},
+ {(functionptr) builtin_dcmpl, "dcmpl"},
+ {(functionptr) builtin_dcmpg, "dcmpg"},
+ {(functionptr) builtin_i2l, "i2l"},
+ {(functionptr) builtin_i2f, "i2f"},
+ {(functionptr) builtin_i2d, "i2d"},
+ {(functionptr) builtin_l2i, "l2i"},
+ {(functionptr) builtin_l2f, "l2f"},
+ {(functionptr) builtin_l2d, "l2d"},
+ {(functionptr) builtin_f2i, "f2i"},
+ {(functionptr) builtin_f2l, "f2l"},
+ {(functionptr) builtin_f2d, "f2d"},
+ {(functionptr) builtin_d2i, "d2i"},
+ {(functionptr) builtin_d2l, "d2l"},
+#if defined(__I386__)
+ {(functionptr) asm_builtin_f2i, "f2i"},
+ {(functionptr) asm_builtin_f2l, "f2l"},
+ {(functionptr) asm_builtin_d2i, "d2i"},
+ {(functionptr) asm_builtin_d2l, "d2l"},
+#endif
+ {(functionptr) builtin_d2f, "d2f"},
+ {(functionptr) NULL, "unknown"}
+};
/*****************************************************************************
- TYPCHECKS
+ TYPE CHECKS
*****************************************************************************/
-/*************** interne Funktion: builtin_isanysubclass *********************
+/*************** internal function: builtin_isanysubclass *********************
- "uberpr"uft, ob eine Klasse eine Unterklasse einer anderen Klasse ist.
- Dabei gelten auch Interfaces, die eine Klasse implementiert, als
- deren Oberklassen.
- R"uckgabewert: 1 ... es trifft zu
- 0 ... es trifft nicht zu
-
-*****************************************************************************/
+ Checks a subclass relation between two classes. Implemented interfaces
+ are interpreted as super classes.
+ Return value: 1 ... sub is subclass of super
+ 0 ... otherwise
+
+*****************************************************************************/
-static s4 builtin_isanysubclass (classinfo *sub, classinfo *super)
-{
- if (super->flags & ACC_INTERFACE) {
- s4 index = super->index;
- if (index >= sub->vftbl->interfacetablelength) return 0;
- return ( sub->vftbl->interfacevftbl[index] ) ? 1 : 0;
- }
- return (sub->vftbl->lowclassval >= super->vftbl->lowclassval) &
- (sub->vftbl->lowclassval <= super->vftbl->highclassval);
+s4 builtin_isanysubclass (classinfo *sub, classinfo *super)
+{
+ if (super->flags & ACC_INTERFACE)
+ return (sub->vftbl->interfacetablelength > super->index) &&
+ (sub->vftbl->interfacetable[-super->index] != NULL);
+
+ /*
+ while (sub != 0)
+ if (sub == super)
+ return 1;
+ else
+ sub = sub->super;
+
+ return 0;
+ */
+
+ return (unsigned) (sub->vftbl->baseval - super->vftbl->baseval) <=
+ (unsigned) (super->vftbl->diffval);
}
-/****************** Funktion: builtin_instanceof *****************************
+/****************** function: builtin_instanceof *****************************
- "Uberpr"uft, ob ein Objekt eine Instanz einer Klasse (oder einer davon
- abgeleiteten Klasse) ist, oder ob die Klasse des Objekts ein Interface
- implementiert.
- Return: 1, wenn ja
- 0, wenn nicht, oder wenn Objekt ein NULL-Zeiger
-
+ Checks if an object is an instance of some given class (or subclass of
+ that class). If class is an interface, checks if the interface is
+ implemented.
+ Return value: 1 ... obj is an instance of class or implements the interface
+ 0 ... otherwise or if obj == NULL
+
*****************************************************************************/
s4 builtin_instanceof(java_objectheader *obj, classinfo *class)
-/**************** Funktion: builtin_checkcast *******************************
+/**************** function: builtin_checkcast *******************************
- "Uberpr"uft, ob ein Objekt eine Instanz einer Klasse (oder einer davon
- abgeleiteten Klasse ist).
- Unterschied zu builtin_instanceof: Ein NULL-Zeiger ist immer richtig
- Return: 1, wenn ja, oder wenn Objekt ein NULL-Zeiger
- 0, wenn nicht
-
+ The same as builtin_instanceof except that 1 is returned when
+ obj == NULL
+
****************************************************************************/
s4 builtin_checkcast(java_objectheader *obj, classinfo *class)
log_text ("builtin_checkcast called");
#endif
- if (!obj) return 1;
- if ( builtin_isanysubclass (obj->vftbl->class, class) ) {
+ if (obj == NULL)
return 1;
- }
-#if DEBUG
- printf ("#### checkcast failed ");
- unicode_display (obj->vftbl->class->name);
- printf (" -> ");
- unicode_display (class->name);
- printf ("\n");
-#endif
-
- return 0;
-}
-
-
-/***************** function: builtin_checkclasscast ****************************
-
- Returns 1 (true) if the object "sub" is a subclass of the class "super",
- otherwise returns 0 (false). If sub is NULL it also returns 1 (true).
-
-*******************************************************************************/
-
-s4 builtin_checkclasscast(java_objectheader *sub, classinfo *super)
-{
- if (!sub)
+ if (builtin_isanysubclass (obj->vftbl->class, class))
return 1;
- return (sub->vftbl->lowclassval >= super->vftbl->lowclassval) &
- (sub->vftbl->lowclassval <= super->vftbl->highclassval);
-}
-
-
-/***************** function: builtin_checkintercast ****************************
-
- Returns 1 (true) if the object "sub" is a subclass of the interface "super",
- otherwise returns 0 (false). If "sub" is NULL it also returns 1 (true).
-
-*******************************************************************************/
-
-s4 builtin_checkintercast(java_objectheader *sub, classinfo *super)
-{
- if (!sub)
- return 1;
+#if DEBUG
+ printf ("#### checkcast failed ");
+ utf_display (obj->vftbl->class->name);
+ printf (" -> ");
+ utf_display (class->name);
+ printf ("\n");
+#endif
- return (sub->vftbl->interfacetablelength > super->index) &&
- (sub->vftbl->interfacevftbl[super->index] != NULL);
return 0;
}
-/*********** interne Funktion: builtin_descriptorscompatible ******************
+/*********** internal function: builtin_descriptorscompatible ******************
- "uberpr"uft, ob zwei Array-Typdescriptoren compartible sind, d.h.,
- ob ein Array vom Typ 'desc' gefahrlos einer Variblen vom Typ 'target'
- zugewiesen werden kann.
- Return: 1, wenn ja
- 0, wenn nicht
-
+ Checks if two array type descriptors are assignment compatible
+ Return value: 1 ... target = desc is possible
+ 0 ... otherwise
+
******************************************************************************/
-static s4 builtin_descriptorscompatible
- (constant_arraydescriptor *desc, constant_arraydescriptor *target)
+static s4 builtin_descriptorscompatible(constant_arraydescriptor *desc, constant_arraydescriptor *target)
{
if (desc==target) return 1;
if (desc->arraytype != target->arraytype) return 0;
switch (target->arraytype) {
- case ARRAYTYPE_OBJECT:
- return builtin_isanysubclass (desc->objectclass, target->objectclass);
- case ARRAYTYPE_ARRAY:
- return builtin_descriptorscompatible
- (desc->elementdescriptor, target->elementdescriptor);
- default: return 1;
- }
+ case ARRAYTYPE_OBJECT:
+ return builtin_isanysubclass (desc->objectclass, target->objectclass);
+ case ARRAYTYPE_ARRAY:
+ return builtin_descriptorscompatible
+ (desc->elementdescriptor, target->elementdescriptor);
+ default: return 1;
+ }
}
-/******************** Funktion: builtin_checkarraycast ***********************
-
- "uberpr"uft, ob ein gegebenes Objekt tats"achlich von einem
- Untertyp des geforderten Arraytyps ist.
- Dazu muss das Objekt auf jeden Fall ein Array sein.
- Bei einfachen Arrays (int,short,double,etc.) muss der Typ genau
- "ubereinstimmen.
- Bei Arrays von Objekten muss der Elementtyp des tats"achlichen Arrays
- ein Untertyp (oder der selbe Typ) vom geforderten Elementtyp sein.
- Bei Arrays vom Arrays (die eventuell wieder Arrays von Arrays
- sein k"onnen) m"ussen die untersten Elementtypen in der entsprechenden
- Unterklassenrelation stehen.
+/******************** function: builtin_checkarraycast ***********************
- Return: 1, wenn Cast in Ordung ist
- 0, wenn es nicht geht
+ Checks if an object is really a subtype of the requested array type.
+ The object has to be an array to begin with. For simple arrays (int, short,
+ double, etc.) the types have to match exactly.
+ For arrays of objects, the type of elements in the array has to be a
+ subtype (or the same type) of the requested element type. For arrays of
+ arrays (which in turn can again be arrays of arrays), the types at the
+ lowest level have to satisfy the corresponding sub class relation.
- Achtung: ein Cast mit einem NULL-Zeiger geht immer gut.
+ Return value: 1 ... cast is possible
+ 0 ... otherwise
+
+ ATTENTION: a cast with a NULL pointer is always possible.
*****************************************************************************/
if (!o) return 1;
if (o->vftbl->class != class_array) {
+#ifdef DEBUG
+ printf ("#### checkarraycast failed 1\n");
+#endif
return 0;
- }
+ }
if (a->arraytype != desc->arraytype) {
+#ifdef DEBUG
+ printf ("#### checkarraycast failed 2\n");
+#endif
return 0;
- }
+ }
switch (a->arraytype) {
- case ARRAYTYPE_OBJECT: {
- java_objectarray *oa = (java_objectarray*) o;
- return builtin_isanysubclass (oa->elementtype, desc->objectclass);
- }
- case ARRAYTYPE_ARRAY: {
- java_arrayarray *aa = (java_arrayarray*) o;
- return builtin_descriptorscompatible
- (aa->elementdescriptor, desc->elementdescriptor);
- }
- default:
- return 1;
- }
+ case ARRAYTYPE_OBJECT: {
+ java_objectarray *oa = (java_objectarray*) o;
+ int result = builtin_isanysubclass (oa->elementtype, desc->objectclass);
+
+#ifdef DEBUG
+ if (!result)
+ printf ("#### checkarraycast failed 3\n");
+#endif
+ return result;
+ }
+ case ARRAYTYPE_ARRAY: {
+ java_arrayarray *aa = (java_arrayarray*) o;
+ int result = builtin_descriptorscompatible
+ (aa->elementdescriptor, desc->elementdescriptor);
+
+#ifdef DEBUG
+ if (!result)
+ printf ("#### checkarraycast failed 4\n");
+#endif
+ return result;
+ }
+ default:
+ return 1;
+ }
}
-s4 builtin_arrayinstanceof
- (java_objectheader *obj, constant_arraydescriptor *desc)
+s4 builtin_arrayinstanceof(java_objectheader *obj, constant_arraydescriptor *desc)
{
if (!obj) return 1;
return builtin_checkarraycast (obj, desc);
******************************************************************************/
-java_objectheader *builtin_throw_exception (java_objectheader *exceptionptr) {
- unicode_display (exceptionptr->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
- return exceptionptr;
+java_objectheader *builtin_throw_exception (java_objectheader *local_exceptionptr) {
+ if (verbose) {
+ sprintf(logtext, "Builtin exception thrown: ");
+ utf_sprint(logtext + strlen(logtext), local_exceptionptr->vftbl->class->name);
+ dolog();
+ }
+ exceptionptr = local_exceptionptr;
+ return local_exceptionptr;
}
-/******************* Funktion: builtin_canstore *******************************
+/******************* function: builtin_canstore *******************************
- "uberpr"uft, ob ein Objekt in einem Array gespeichert werden
- darf.
- Return: 1, wenn es geht
- 0, wenn nicht
+ Checks, if an object can be stored in an array.
+ Return value: 1 ... possible
+ 0 ... otherwise
******************************************************************************/
case ARRAYTYPE_OBJECT:
if ( ! builtin_checkcast (o, a->elementtype) ) {
return 0;
- }
+ }
return 1;
break;
case ARRAYTYPE_ARRAY:
if ( ! builtin_checkarraycast
- (o, ((java_arrayarray*)a)->elementdescriptor) ) {
+ (o, ((java_arrayarray*)a)->elementdescriptor) ) {
return 0;
- }
+ }
return 1;
break;
/*****************************************************************************
- ARRAYOPERATIONEN
+ ARRAY OPERATIONS
*****************************************************************************/
-/******************** Funktion: builtin_new **********************************
+/******************** Function: builtin_new **********************************
- Legt ein neues Objekt einer Klasse am Heap an.
- Return: Der Zeiger auf das Objekt, oder NULL, wenn kein Speicher
- mehr frei ist.
+ Creates a new instance of class c on the heap.
+ Return value: pointer to the object or NULL if no memory is
+ available
*****************************************************************************/
-java_objectheader *builtin_new (classinfo *c)
+#define ALIGNMENT 3
+#define align_size(size) ((size + ((1 << ALIGNMENT) - 1)) & ~((1 << ALIGNMENT) - 1))
+
+java_objectheader *builtin_new(classinfo *c)
{
java_objectheader *o;
-
- o = heap_allocate ( c->instancesize, true, c->finalizer );
+
+ class_init(c);
+
+#ifdef SIZE_FROM_CLASSINFO
+ c->alignedsize = align_size(c->instancesize);
+ o = heap_allocate(c->alignedsize, true, c->finalizer);
+#else
+ o = heap_allocate(c->instancesize, true, c->finalizer);
+#endif
if (!o) return NULL;
- memset (o, 0, c->instancesize);
+ memset(o, 0, c->instancesize);
+
+ o->vftbl = c->vftbl;
- o -> vftbl = c -> vftbl;
return o;
}
-/******************** Funktion: builtin_anewarray ****************************
-
- Legt ein Array von Zeigern auf Objekte am Heap an.
- Parameter:
- size ......... Anzahl der Elemente
- elementtype .. ein Zeiger auf die classinfo-Struktur des Typs
- der Elemente
+/******************** function: builtin_anewarray ****************************
- Return: Zeiger auf das Array, oder NULL (wenn kein Speicher frei)
+ Creates an array of pointers to objects on the heap.
+ Parameters:
+ size ......... number of elements
+ elementtype .. pointer to the classinfo structure for the element type
+
+ Return value: pointer to the array or NULL if no memory is available
*****************************************************************************/
+void XXX_copy_vftbl(vftbl **dest, vftbl *src)
+{
+ *dest = mem_alloc(sizeof(vftbl) + sizeof(methodptr)*(src->vftbllength-1));
+ memcpy(*dest, src, sizeof(vftbl) - sizeof(methodptr));
+ memcpy(&(*dest)->table, &src->table, src->vftbllength * sizeof(methodptr));
+}
+
+void XXX_use_class_as_object(classinfo *c, char *cname)
+{
+ vftbl *vt = class_get(utf_new_char(cname))->vftbl;
+ vftbl *newtbl;
+ if (!c->classvftbl) {
+ c->classvftbl = true;
+ XXX_copy_vftbl(&newtbl, vt);
+ newtbl->class = c->header.vftbl->class;
+ newtbl->baseval = c->header.vftbl->baseval;
+ newtbl->diffval = c->header.vftbl->diffval;
+ c->header.vftbl = newtbl;
+ }
+}
+
+static
+void* __builtin_newarray(s4 base_size,
+ s4 size,
+ bool references,
+ int elementsize,
+ int arraytype,
+ classinfo *el)
+{
+ java_arrayheader *a;
+
+#ifdef SIZE_FROM_CLASSINFO
+ s4 alignedsize = align_size(base_size + (size-1) * elementsize);
+ a = heap_allocate( alignedsize, references, NULL );
+#else
+ a = heap_allocate(sizeof(java_objectarray) + (size-1) * elementsize,
+ references,
+ NULL);
+#endif
+ if (!a) return NULL;
+
+#ifdef SIZE_FROM_CLASSINFO
+ memset(a, 0, alignedsize);
+#else
+ memset(a, 0, base_size + (size-1) * elementsize);
+#endif
+
+#if 0
+ {
+ classinfo *c;
+
+ switch (arraytype) {
+ case ARRAYTYPE_INT:
+ c = create_array_class(utf_new_char("[I"));
+ XXX_use_class_as_object(c, "int");
+ break;
+
+ case ARRAYTYPE_LONG:
+ c = create_array_class(utf_new_char("[J"));
+ XXX_use_class_as_object(c, "long");
+ break;
+
+ case ARRAYTYPE_FLOAT:
+ c = create_array_class(utf_new_char("[F"));
+ XXX_use_class_as_object(c, "float");
+ break;
+
+ case ARRAYTYPE_DOUBLE:
+ c = create_array_class(utf_new_char("[D"));
+ XXX_use_class_as_object(c, "double");
+ break;
+
+ case ARRAYTYPE_BYTE:
+ c = create_array_class(utf_new_char("[B"));
+ XXX_use_class_as_object(c, "byte");
+ break;
+
+ case ARRAYTYPE_CHAR:
+ c = create_array_class(utf_new_char("[C"));
+ XXX_use_class_as_object(c, "char");
+ break;
+
+ case ARRAYTYPE_SHORT:
+ c = create_array_class(utf_new_char("[S"));
+ XXX_use_class_as_object(c, "short");
+ break;
+
+ case ARRAYTYPE_BOOLEAN:
+ c = create_array_class(utf_new_char("[Z"));
+ XXX_use_class_as_object(c, "boolean");
+ break;
+
+ case ARRAYTYPE_OBJECT:
+ {
+ char *cname, *buf;
+ cname = heap_allocate(utf_strlen(el->name), false, NULL);
+ utf_sprint(cname, el->name);
+ buf = heap_allocate(strlen(cname) + 3, false, NULL);
+ /* printf("\n\n[L%s;\n\n", cname); */
+ sprintf(buf, "[L%s;", cname);
+ c = create_array_class(utf_new_char(buf));
+ /* MFREE(buf, char, strlen(cname) + 3); */
+ /* MFREE(cname, char, utf_strlen(el->name)); */
+ XXX_use_class_as_object(c, cname);
+ }
+ break;
+
+ case ARRAYTYPE_ARRAY:
+ c = create_array_class(utf_new_char("[["));
+ XXX_use_class_as_object(c, "java/lang/Boolean");
+ break;
+
+ default:
+ panic("unknown array type");
+ }
+
+ a->objheader.vftbl = c->vftbl;
+ }
+#else
+ a->objheader.vftbl = class_array->vftbl;
+#endif
+ a -> size = size;
+#ifdef SIZE_FROM_CLASSINFO
+ a -> alignedsize = alignedsize;
+#endif
+ a -> arraytype = arraytype;
+
+ return a;
+}
+
+
java_objectarray *builtin_anewarray (s4 size, classinfo *elementtype)
{
- s4 i;
- java_objectarray *a;
-
- a = heap_allocate ( sizeof(java_objectarray) + (size-1) * sizeof(void*),
- true, 0 /* FALSE */ );
+ java_objectarray *a;
+ a = (java_objectarray*)__builtin_newarray(sizeof(java_objectarray),
+ size,
+ true,
+ sizeof(void*),
+ ARRAYTYPE_OBJECT,
+ elementtype);
if (!a) return NULL;
-
- a -> header.objheader.vftbl = class_array -> vftbl;
- a -> header.size = size;
- a -> header.arraytype = ARRAYTYPE_OBJECT;
+
a -> elementtype = elementtype;
- for (i=0; i<size; i++) a->data[i] = NULL;
return a;
}
-/******************** Funktion: builtin_newarray_array ***********************
+/******************** function: builtin_newarray_array ***********************
- Legt ein Array von Zeigern auf Arrays am Heap an.
- Paramter: size ......... Anzahl der Elemente
- elementdesc .. Zeiger auf die Arraybeschreibungs-Struktur f"ur
- die Element-Arrays.
-
- Return: Zeiger auf das Array, oder NULL
+ Creates an array of pointers to arrays on the heap.
+ Parameters:
+ size ......... number of elements
+ elementdesc .. pointer to the array description structure for the
+ element arrays
+
+ Return value: pointer to the array or NULL if no memory is available
*****************************************************************************/
java_arrayarray *builtin_newarray_array
- (s4 size, constant_arraydescriptor *elementdesc)
+(s4 size, constant_arraydescriptor *elementdesc)
{
- s4 i;
- java_arrayarray *a;
-
- a = heap_allocate ( sizeof(java_arrayarray) + (size-1) * sizeof(void*),
- true, NULL );
+ java_arrayarray *a;
+ a = (java_arrayarray*)__builtin_newarray(sizeof(java_arrayarray),
+ size,
+ true,
+ sizeof(void*),
+ ARRAYTYPE_ARRAY,
+ elementdesc->objectclass);
if (!a) return NULL;
-
- a -> header.objheader.vftbl = class_array -> vftbl;
- a -> header.size = size;
- a -> header.arraytype = ARRAYTYPE_ARRAY;
+
a -> elementdescriptor = elementdesc;
- for (i=0; i<size; i++) a->data[i] = NULL;
return a;
}
-/******************** Funktion: builtin_newarray_boolean ************************
+/******************** function: builtin_newarray_boolean ************************
- Legt ein Array von Bytes am Heap an, das allerdings als Boolean-Array
- gekennzeichnet wird (wichtig bei Casts!)
-
- Return: Zeiger auf das Array, oder NULL
+ Creates an array of bytes on the heap. The array is designated as an array
+ of booleans (important for casts)
+
+ Return value: pointer to the array or NULL if no memory is available
*****************************************************************************/
java_booleanarray *builtin_newarray_boolean (s4 size)
{
- java_booleanarray *a;
-
- a = heap_allocate ( sizeof(java_booleanarray) + (size-1) * sizeof(u1),
- false, NULL );
- if (!a) return NULL;
-
- a -> header.objheader.vftbl = class_array -> vftbl;
- a -> header.size = size;
- a -> header.arraytype = ARRAYTYPE_BOOLEAN;
- memset (a->data, 0, sizeof(u1) * size);
-
+ java_booleanarray *a;
+ a = (java_booleanarray*)__builtin_newarray(sizeof(java_booleanarray),
+ size,
+ false,
+ sizeof(u1),
+ ARRAYTYPE_BOOLEAN,
+ NULL);
return a;
}
-/******************** Funktion: builtin_newarray_char ************************
+/******************** function: builtin_newarray_char ************************
- Legt ein Array von 16-bit-Integers am Heap an.
- Return: Zeiger auf das Array, oder NULL
+ Creates an array of characters on the heap.
+
+ Return value: pointer to the array or NULL if no memory is available
*****************************************************************************/
java_chararray *builtin_newarray_char (s4 size)
{
- java_chararray *a;
-
- a = heap_allocate ( sizeof(java_chararray) + (size-1) * sizeof(u2),
- false, NULL );
- if (!a) return NULL;
-
- a -> header.objheader.vftbl = class_array -> vftbl;
- a -> header.size = size;
- a -> header.arraytype = ARRAYTYPE_CHAR;
- memset (a->data, 0, sizeof(u2) * size);
-
+ java_chararray *a;
+ a = (java_chararray*)__builtin_newarray(sizeof(java_chararray),
+ size,
+ false,
+ sizeof(u2),
+ ARRAYTYPE_CHAR,
+ NULL);
return a;
}
-/******************** Funktion: builtin_newarray_float ***********************
+/******************** function: builtin_newarray_float ***********************
+
+ Creates an array of 32 bit IEEE floats on the heap.
- Legt ein Array von 32-bit-IEEE-float am Heap an.
- Return: Zeiger auf das Array, oder NULL
+ Return value: pointer to the array or NULL if no memory is available
*****************************************************************************/
java_floatarray *builtin_newarray_float (s4 size)
{
- s4 i;
- java_floatarray *a;
-
- a = heap_allocate ( sizeof(java_floatarray) + (size-1) * sizeof(float),
- false, NULL );
- if (!a) return NULL;
-
- a -> header.objheader.vftbl = class_array -> vftbl;
- a -> header.size = size;
- a -> header.arraytype = ARRAYTYPE_FLOAT;
- for (i=0; i<size; i++) a->data[i] = 0.0;
+ java_floatarray *a;
+ a = (java_floatarray*)__builtin_newarray(sizeof(java_floatarray),
+ size,
+ false,
+ sizeof(float),
+ ARRAYTYPE_FLOAT,
+ NULL);
return a;
}
-/******************** Funktion: builtin_newarray_double ***********************
+/******************** function: builtin_newarray_double ***********************
+
+ Creates an array of 64 bit IEEE floats on the heap.
- Legt ein Array von 64-bit-IEEE-float am Heap an.
- Return: Zeiger auf das Array, oder NULL
+ Return value: pointer to the array or NULL if no memory is available
*****************************************************************************/
java_doublearray *builtin_newarray_double (s4 size)
{
- s4 i;
- java_doublearray *a;
-
- a = heap_allocate ( sizeof(java_doublearray) + (size-1) * sizeof(double),
- false, NULL );
- if (!a) return NULL;
-
- a -> header.objheader.vftbl = class_array -> vftbl;
- a -> header.size = size;
- a -> header.arraytype = ARRAYTYPE_DOUBLE;
- for (i=0; i<size; i++) a->data[i] = 0.0;
+ java_doublearray *a;
+ a = (java_doublearray*)__builtin_newarray(sizeof(java_doublearray),
+ size,
+ false,
+ sizeof(double),
+ ARRAYTYPE_DOUBLE,
+ NULL);
return a;
}
-/******************** Funktion: builtin_newarray_byte ***********************
+/******************** function: builtin_newarray_byte ***********************
+
+ Creates an array of 8 bit Integers on the heap.
- Legt ein Array von 8-bit-Integers am Heap an.
- Return: Zeiger auf das Array, oder NULL
+ Return value: pointer to the array or NULL if no memory is available
*****************************************************************************/
java_bytearray *builtin_newarray_byte (s4 size)
{
- java_bytearray *a;
-
- a = heap_allocate ( sizeof(java_bytearray) + (size-1) * sizeof(s1),
- false, NULL );
- if (!a) return NULL;
-
- a -> header.objheader.vftbl = class_array->vftbl;
- a -> header.size = size;
- a -> header.arraytype = ARRAYTYPE_BYTE;
- memset (a->data, 0, sizeof(u1) * size);
+ java_bytearray *a;
+ a = (java_bytearray*)__builtin_newarray(sizeof(java_bytearray),
+ size,
+ false,
+ sizeof(u1),
+ ARRAYTYPE_BYTE,
+ NULL);
return a;
}
-/******************** Funktion: builtin_newarray_short ***********************
+/******************** function: builtin_newarray_short ***********************
- Legt ein Array von 16-bit-Integers am Heap an.
- Return: Zeiger auf das Array, oder NULL
+ Creates an array of 16 bit Integers on the heap.
+
+ Return value: pointer to the array or NULL if no memory is available
*****************************************************************************/
java_shortarray *builtin_newarray_short (s4 size)
{
- java_shortarray *a;
-
- a = heap_allocate ( sizeof(java_shortarray) + (size-1) * sizeof(s2),
- false, NULL );
- if (!a) return NULL;
-
- a -> header.objheader.vftbl = class_array -> vftbl;
- a -> header.size = size;
- a -> header.arraytype = ARRAYTYPE_SHORT;
- memset (a->data, 0, sizeof(s2) * size);
+ java_shortarray *a;
+ a = (java_shortarray*)__builtin_newarray(sizeof(java_shortarray),
+ size,
+ false,
+ sizeof(s2),
+ ARRAYTYPE_SHORT,
+ NULL);
return a;
}
-/******************** Funktion: builtin_newarray_int ***********************
+/******************** Function: builtin_newarray_int ***********************
+
+ Creates an array of 32 bit Integers on the heap.
- Legt ein Array von 32-bit-Integers am Heap an.
- Return: Zeiger auf das Array, oder NULL
+ Return value: pointer to the array or NULL if no memory is available
*****************************************************************************/
java_intarray *builtin_newarray_int (s4 size)
{
- java_intarray *a;
-
- a = heap_allocate ( sizeof(java_intarray) + (size-1) * sizeof(s4),
- false, NULL );
- if (!a) return NULL;
-
- a -> header.objheader.vftbl = class_array -> vftbl;
- a -> header.size = size;
- a -> header.arraytype = ARRAYTYPE_INT;
- memset (a->data, 0, sizeof(s4) * size);
+ java_intarray *a;
+ a = (java_intarray*)__builtin_newarray(sizeof(java_intarray),
+ size,
+ false,
+ sizeof(s4),
+ ARRAYTYPE_INT,
+ NULL);
return a;
}
-/******************** Funktion: builtin_newarray_long ***********************
+/******************** Function: builtin_newarray_long ***********************
- Legt ein Array von 64-bit-Integers am Heap an.
- Return: Zeiger auf das Array, oder NULL
+ Creates an array of 64 bit Integers on the heap.
+
+ Return value: pointer to the array or NULL if no memory is available
*****************************************************************************/
java_longarray *builtin_newarray_long (s4 size)
{
- java_longarray *a;
-
- a = heap_allocate ( sizeof(java_longarray) + (size-1) * sizeof(s8),
- false, NULL );
- if (!a) return NULL;
-
- a -> header.objheader.vftbl = class_array -> vftbl;
- a -> header.size = size;
- a -> header.arraytype = ARRAYTYPE_LONG;
- memset (a->data, 0, sizeof(s8) * size);
+ java_longarray *a;
+ a = (java_longarray*)__builtin_newarray(sizeof(java_longarray),
+ size,
+ false,
+ sizeof(s8),
+ ARRAYTYPE_LONG,
+ NULL);
return a;
}
-/***************** Funktion: builtin_multianewarray ***************************
+/***************** function: builtin_multianewarray ***************************
- Legt ein mehrdimensionales Array am Heap an.
- Die Gr"ossen der einzelnen Dimensionen werden in einem Integerarray
- "ubergeben. Der Typ es zu erzeugenden Arrays wird als
- Referenz auf eine constant_arraydescriptor - Struktur "ubergeben.
+ Creates a multi-dimensional array on the heap. The dimensions are passed in
+ an array of Integers. The type for the array is passed as a reference to a
+ constant_arraydescriptor structure.
- Return: Ein Zeiger auf das Array, oder NULL, wenn kein Speicher mehr
- vorhanden ist.
+ Return value: pointer to the array or NULL if no memory is available
******************************************************************************/
- /* Hilfsfunktion */
+ /* Helper functions */
static java_arrayheader *multianewarray_part (java_intarray *dims, int thisdim,
- constant_arraydescriptor *desc)
+ constant_arraydescriptor *desc)
{
u4 size,i;
java_arrayarray *a;
size = dims -> data[thisdim];
if (thisdim == (dims->header.size-1)) {
- /* letzte Dimension schon erreicht */
+ /* last dimension reached */
switch (desc -> arraytype) {
- case ARRAYTYPE_BOOLEAN:
+ case ARRAYTYPE_BOOLEAN:
return (java_arrayheader*) builtin_newarray_boolean (size);
case ARRAYTYPE_CHAR:
return (java_arrayheader*) builtin_newarray_char (size);
case ARRAYTYPE_FLOAT:
return (java_arrayheader*) builtin_newarray_float (size);
- case ARRAYTYPE_DOUBLE:
+ case ARRAYTYPE_DOUBLE:
return (java_arrayheader*) builtin_newarray_double (size);
case ARRAYTYPE_BYTE:
return (java_arrayheader*) builtin_newarray_byte (size);
case ARRAYTYPE_SHORT:
return (java_arrayheader*) builtin_newarray_short (size);
- case ARRAYTYPE_INT:
+ case ARRAYTYPE_INT:
return (java_arrayheader*) builtin_newarray_int (size);
case ARRAYTYPE_LONG:
return (java_arrayheader*) builtin_newarray_long (size);
default: panic ("Invalid arraytype in multianewarray");
}
- }
+ }
- /* wenn letzte Dimension noch nicht erreicht wurde */
+ /* if the last dimension has not been reached yet */
if (desc->arraytype != ARRAYTYPE_ARRAY)
panic ("multianewarray with too many dimensions");
for (i=0; i<size; i++) {
java_arrayheader *ea =
- multianewarray_part (dims, thisdim+1, desc->elementdescriptor);
+ multianewarray_part (dims, thisdim+1, desc->elementdescriptor);
if (!ea) return NULL;
a -> data[i] = ea;
- }
+ }
return (java_arrayheader*) a;
}
java_arrayheader *builtin_multianewarray (java_intarray *dims,
- constant_arraydescriptor *desc)
+ constant_arraydescriptor *desc)
{
return multianewarray_part (dims, 0, desc);
}
static java_arrayheader *nmultianewarray_part (int n, long *dims, int thisdim,
- constant_arraydescriptor *desc)
+ constant_arraydescriptor *desc)
{
int size, i;
java_arrayarray *a;
size = (int) dims[thisdim];
if (thisdim == (n - 1)) {
- /* letzte Dimension schon erreicht */
+ /* last dimension reached */
switch (desc -> arraytype) {
- case ARRAYTYPE_BOOLEAN:
+ case ARRAYTYPE_BOOLEAN:
return (java_arrayheader*) builtin_newarray_boolean(size);
case ARRAYTYPE_CHAR:
return (java_arrayheader*) builtin_newarray_char(size);
case ARRAYTYPE_FLOAT:
return (java_arrayheader*) builtin_newarray_float(size);
- case ARRAYTYPE_DOUBLE:
+ case ARRAYTYPE_DOUBLE:
return (java_arrayheader*) builtin_newarray_double(size);
case ARRAYTYPE_BYTE:
return (java_arrayheader*) builtin_newarray_byte(size);
case ARRAYTYPE_SHORT:
return (java_arrayheader*) builtin_newarray_short(size);
- case ARRAYTYPE_INT:
+ case ARRAYTYPE_INT:
return (java_arrayheader*) builtin_newarray_int(size);
case ARRAYTYPE_LONG:
return (java_arrayheader*) builtin_newarray_long(size);
case ARRAYTYPE_OBJECT:
return (java_arrayheader*) builtin_anewarray(size,
- desc->objectclass);
+ desc->objectclass);
case ARRAYTYPE_ARRAY:
return (java_arrayheader*) builtin_newarray_array(size,
- desc->elementdescriptor);
+ desc->elementdescriptor);
default: panic ("Invalid arraytype in multianewarray");
}
- }
+ }
- /* wenn letzte Dimension noch nicht erreicht wurde */
+ /* if the last dimension has not been reached yet */
if (desc->arraytype != ARRAYTYPE_ARRAY)
panic ("multianewarray with too many dimensions");
if (!ea) return NULL;
a -> data[i] = ea;
- }
+ }
return (java_arrayheader*) a;
}
java_arrayheader *builtin_nmultianewarray (int size,
- constant_arraydescriptor *desc, long *dims)
+ constant_arraydescriptor *desc, long *dims)
{
(void) builtin_newarray_int(size); /* for compatibility with -old */
return nmultianewarray_part (size, dims, 0, desc);
-/************************* Funktion: builtin_aastore *************************
+/************************* function: builtin_aastore *************************
- speichert eine Referenz auf ein Objekt in einem Object-Array oder
- in einem Array-Array.
- Dabei wird allerdings vorher "uberpr"uft, ob diese Operation
- zul"assig ist.
+ Stores a reference to an object into an object array or into an array
+ array. Before any action is performed, the validity of the operation is
+ checked.
- Return: 1, wenn alles OK ist
- 0, wenn dieses Objekt nicht in dieses Array gespeichert werden
- darf
+ Return value: 1 ... ok
+ 0 ... this object cannot be stored into this array
*****************************************************************************/
if (builtin_canstore(a,o)) {
a->data[index] = o;
return 1;
- }
+ }
return 0;
}
/*****************************************************************************
- METHODEN-PROTOKOLLIERUNG
-
- Verschiedene Funktionen, mit denen eine Meldung ausgegeben werden
- kann, wann immer Methoden aufgerufen oder beendet werden.
- (f"ur Debug-Zwecke)
+ METHOD LOGGING
+ Various functions for printing a message at method entry or exit (for
+ debugging)
+
*****************************************************************************/
u4 methodindent=0;
java_objectheader *builtin_trace_exception (java_objectheader *exceptionptr,
- methodinfo *method, int *pos, int noindent) {
+ methodinfo *method, int *pos, int noindent) {
if (!noindent)
methodindent--;
if (verbose || runverbose) {
printf("Exception ");
- unicode_display (exceptionptr->vftbl->class->name);
+ utf_display (exceptionptr->vftbl->class->name);
printf(" thrown in ");
if (method) {
- unicode_display (method->class->name);
+ utf_display (method->class->name);
printf(".");
- unicode_display (method->name);
+ utf_display (method->name);
if (method->flags & ACC_SYNCHRONIZED)
printf("(SYNC)");
else
printf("(NOSYNC)");
printf("(%p) at position %p\n", method->entrypoint, pos);
- }
+ }
else
printf("call_java_method\n");
fflush (stdout);
- }
+ }
return exceptionptr;
}
-void builtin_trace_args(long a0, long a1, long a2, long a3, long a4, long a5,
- methodinfo *method)
+#ifdef TRACE_ARGS_NUM
+void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5,
+#if TRACE_ARGS_NUM > 6
+ s8 a6, s8 a7,
+#endif
+ methodinfo *method)
{
- sprintf (logtext, " ");
+ int i;
+ for (i=0; i<methodindent; i++)
+ logtext[i] = '\t';
sprintf (logtext+methodindent, "called: ");
- unicode_sprint (logtext+strlen(logtext), method->class->name);
+ utf_sprint (logtext+strlen(logtext), method->class->name);
sprintf (logtext+strlen(logtext), ".");
- unicode_sprint (logtext+strlen(logtext), method->name);
- unicode_sprint (logtext+strlen(logtext), method->descriptor);
+ utf_sprint (logtext+strlen(logtext), method->name);
+ utf_sprint (logtext+strlen(logtext), method->descriptor);
sprintf (logtext+strlen(logtext), "(");
switch (method->paramcount) {
- case 6:
- sprintf(logtext+strlen(logtext), "%lx, %lx, %lx, %lx, %lx, %lx",
- a0, a1, a2, a3, a4, a5);
- break;
- case 5:
- sprintf(logtext+strlen(logtext), "%lx, %lx, %lx, %lx, %lx",
- a0, a1, a2, a3, a4);
- break;
- case 4:
- sprintf(logtext+strlen(logtext), "%lx, %lx, %lx, %lx",
- a0, a1, a2, a3);
- break;
- case 3:
- sprintf(logtext+strlen(logtext), "%lx, %lx, %lx", a0, a1, a2);
- break;
- case 2:
- sprintf(logtext+strlen(logtext), "%lx, %lx", a0, a1);
- break;
- case 1:
- sprintf(logtext+strlen(logtext), "%lx", a0);
- break;
- }
+ case 0:
+ break;
+
+#if defined(__I386__)
+ case 1:
+ sprintf(logtext+strlen(logtext), "%llx", a0);
+ break;
+
+ case 2:
+ sprintf(logtext+strlen(logtext), "%llx, %llx", a0, a1);
+ break;
+
+ case 3:
+ sprintf(logtext+strlen(logtext), "%llx, %llx, %llx", a0, a1, a2);
+ break;
+
+ case 4:
+ sprintf(logtext+strlen(logtext), "%llx, %llx, %llx, %llx",
+ a0, a1, a2, a3);
+ break;
+
+ case 5:
+ sprintf(logtext+strlen(logtext), "%llx, %llx, %llx, %llx, %llx",
+ a0, a1, a2, a3, a4);
+ break;
+
+ case 6:
+ sprintf(logtext+strlen(logtext), "%llx, %llx, %llx, %llx, %llx, %llx",
+ a0, a1, a2, a3, a4, a5);
+ break;
+
+#if TRACE_ARGS_NUM > 6
+ case 7:
+ sprintf(logtext+strlen(logtext), "%llx, %llx, %llx, %llx, %llx, %llx, %llx",
+ a0, a1, a2, a3, a4, a5, a6);
+ break;
+
+ case 8:
+ sprintf(logtext+strlen(logtext), "%llx, %llx, %llx, %llx, %llx, %llx, %llx, %llx",
+ a0, a1, a2, a3, a4, a5, a6, a7);
+ break;
+
+ default:
+ sprintf(logtext+strlen(logtext), "%llx, %llx, %llx, %llx, %llx, %llx, %llx, %llx, ...(%d)",
+ a0, a1, a2, a3, a4, a5, a6, a7, method->paramcount - 8);
+ break;
+#else
+ default:
+ sprintf(logtext+strlen(logtext), "%llx, %llx, %llx, %llx, %llx, %llx, ...(%d)",
+ a0, a1, a2, a3, a4, a5, method->paramcount - 6);
+ break;
+#endif
+#else
+ case 1:
+ sprintf(logtext+strlen(logtext), "%lx", a0);
+ break;
+
+ case 2:
+ sprintf(logtext+strlen(logtext), "%lx, %lx", a0, a1);
+ break;
+
+ case 3:
+ sprintf(logtext+strlen(logtext), "%lx, %lx, %lx", a0, a1, a2);
+ break;
+
+ case 4:
+ sprintf(logtext+strlen(logtext), "%lx, %lx, %lx, %lx",
+ a0, a1, a2, a3);
+ break;
+
+ case 5:
+ sprintf(logtext+strlen(logtext), "%lx, %lx, %lx, %lx, %lx",
+ a0, a1, a2, a3, a4);
+ break;
+
+ case 6:
+ sprintf(logtext+strlen(logtext), "%lx, %lx, %lx, %lx, %lx, %lx",
+ a0, a1, a2, a3, a4, a5);
+ break;
+
+#if TRACE_ARGS_NUM > 6
+ case 7:
+ sprintf(logtext+strlen(logtext), "%lx, %lx, %lx, %lx, %lx, %lx, %lx",
+ a0, a1, a2, a3, a4, a5, a6);
+ break;
+
+ case 8:
+ sprintf(logtext+strlen(logtext), "%lx, %lx, %lx, %lx, %lx, %lx, %lx, %lx",
+ a0, a1, a2, a3, a4, a5, a6, a7);
+ break;
+
+ default:
+ sprintf(logtext+strlen(logtext), "%lx, %lx, %lx, %lx, %lx, %lx, %lx, %lx, ...(%d)",
+ a0, a1, a2, a3, a4, a5, a6, a7, method->paramcount - 8);
+ break;
+#else
+ default:
+ sprintf(logtext+strlen(logtext), "%lx, %lx, %lx, %lx, %lx, %lx, ...(%d)",
+ a0, a1, a2, a3, a4, a5, method->paramcount - 6);
+ break;
+#endif
+#endif
+ }
sprintf (logtext+strlen(logtext), ")");
dolog ();
methodindent++;
}
+#endif
void builtin_displaymethodstart(methodinfo *method)
{
- sprintf (logtext, " ");
+ sprintf (logtext, " ");
sprintf (logtext+methodindent, "called: ");
- unicode_sprint (logtext+strlen(logtext), method->class->name);
+ utf_sprint (logtext+strlen(logtext), method->class->name);
sprintf (logtext+strlen(logtext), ".");
- unicode_sprint (logtext+strlen(logtext), method->name);
- unicode_sprint (logtext+strlen(logtext), method->descriptor);
+ utf_sprint (logtext+strlen(logtext), method->name);
+ utf_sprint (logtext+strlen(logtext), method->descriptor);
dolog ();
methodindent++;
}
-void builtin_displaymethodstop(methodinfo *method, long l, double d)
+void builtin_displaymethodstop(methodinfo *method, s8 l, double d, float f)
{
+ int i;
+ for (i=0; i<methodindent; i++)
+ logtext[i] = '\t';
methodindent--;
- sprintf (logtext, " ");
sprintf (logtext+methodindent, "finished: ");
- unicode_sprint (logtext+strlen(logtext), method->class->name);
+ utf_sprint (logtext+strlen(logtext), method->class->name);
sprintf (logtext+strlen(logtext), ".");
- unicode_sprint (logtext+strlen(logtext), method->name);
- unicode_sprint (logtext+strlen(logtext), method->descriptor);
+ utf_sprint (logtext+strlen(logtext), method->name);
+ utf_sprint (logtext+strlen(logtext), method->descriptor);
switch (method->returntype) {
- case TYPE_INT:
- case TYPE_LONG:
- sprintf (logtext+strlen(logtext), "->%ld", l);
- break;
- case TYPE_FLOAT:
- case TYPE_DOUBLE:
- sprintf (logtext+strlen(logtext), "->%g", d);
- break;
- case TYPE_ADDRESS:
- sprintf (logtext+strlen(logtext), "->%p", (void*) l);
- break;
- }
+ case TYPE_INT:
+ sprintf (logtext+strlen(logtext), "->%d", (s4) l);
+ break;
+ case TYPE_LONG:
+#if defined(__I386__)
+ sprintf(logtext+strlen(logtext), "->%lld", (s8) l);
+#else
+ sprintf(logtext+strlen(logtext), "->%ld", (s8) l);
+#endif
+ break;
+ case TYPE_ADDRESS:
+#if defined(__I386__)
+ sprintf(logtext+strlen(logtext), "->%p", (u1*) ((s4) l));
+#else
+ sprintf(logtext+strlen(logtext), "->%p", (u1*) l);
+#endif
+ break;
+ case TYPE_FLOAT:
+ sprintf (logtext+strlen(logtext), "->%g", f);
+ break;
+ case TYPE_DOUBLE:
+ sprintf (logtext+strlen(logtext), "->%g", d);
+ break;
+ }
dolog ();
}
void builtin_displaymethodexception(methodinfo *method)
{
- sprintf (logtext, " ");
+ int i;
+ for (i=0; i<methodindent; i++)
+ logtext[i] = '\t';
sprintf (logtext+methodindent, "exception abort: ");
- unicode_sprint (logtext+strlen(logtext), method->class->name);
+ utf_sprint (logtext+strlen(logtext), method->class->name);
sprintf (logtext+strlen(logtext), ".");
- unicode_sprint (logtext+strlen(logtext), method->name);
- unicode_sprint (logtext+strlen(logtext), method->descriptor);
+ utf_sprint (logtext+strlen(logtext), method->name);
+ utf_sprint (logtext+strlen(logtext), method->descriptor);
dolog ();
}
/****************************************************************************
- SYNCHRONIZATION FUNCTIONS
+ SYNCHRONIZATION FUNCTIONS
*****************************************************************************/
/*
void
internal_lock_mutex_for_object (java_objectheader *object)
{
- mutexHashEntry *entry;
- int hashValue;
+ mutexHashEntry *entry;
+ int hashValue;
- assert(object != 0);
+ assert(object != 0);
- hashValue = MUTEX_HASH_VALUE(object);
- entry = &mutexHashTable[hashValue];
+ hashValue = MUTEX_HASH_VALUE(object);
+ entry = &mutexHashTable[hashValue];
- if (entry->object != 0)
- {
- if (entry->mutex.count == 0 && entry->conditionCount == 0)
+ if (entry->object != 0)
+ {
+ if (entry->mutex.count == 0 && entry->conditionCount == 0)
+ {
+ entry->object = 0;
+ entry->mutex.holder = 0;
+ entry->mutex.count = 0;
+ entry->mutex.muxWaiters = 0;
+ }
+ else
+ {
+ while (entry->next != 0 && entry->object != object)
+ entry = entry->next;
+
+ if (entry->object != object)
+ {
+ entry->next = firstFreeOverflowEntry;
+ firstFreeOverflowEntry = firstFreeOverflowEntry->next;
+
+ entry = entry->next;
+ entry->object = 0;
+ entry->next = 0;
+ assert(entry->conditionCount == 0);
+ }
+ }
+ }
+ else
{
- entry->object = 0;
entry->mutex.holder = 0;
entry->mutex.count = 0;
entry->mutex.muxWaiters = 0;
}
- else
- {
- while (entry->next != 0 && entry->object != object)
- entry = entry->next;
-
- if (entry->object != object)
- {
- entry->next = firstFreeOverflowEntry;
- firstFreeOverflowEntry = firstFreeOverflowEntry->next;
-
- entry = entry->next;
- entry->object = 0;
- entry->next = 0;
- assert(entry->conditionCount == 0);
- }
- }
- }
- else
- {
- entry->mutex.holder = 0;
- entry->mutex.count = 0;
- entry->mutex.muxWaiters = 0;
- }
-
- if (entry->object == 0)
- entry->object = object;
-
- internal_lock_mutex(&entry->mutex);
+
+ if (entry->object == 0)
+ entry->object = object;
+
+ internal_lock_mutex(&entry->mutex);
}
#endif
void
internal_unlock_mutex_for_object (java_objectheader *object)
{
- int hashValue;
- mutexHashEntry *entry;
+ int hashValue;
+ mutexHashEntry *entry;
- hashValue = MUTEX_HASH_VALUE(object);
- entry = &mutexHashTable[hashValue];
+ hashValue = MUTEX_HASH_VALUE(object);
+ entry = &mutexHashTable[hashValue];
- if (entry->object == object)
+ if (entry->object == object)
internal_unlock_mutex(&entry->mutex);
- else
- {
- while (entry->next != 0 && entry->next->object != object)
- entry = entry->next;
+ else
+ {
+ while (entry->next != 0 && entry->next->object != object)
+ entry = entry->next;
- assert(entry->next != 0);
+ assert(entry->next != 0);
- internal_unlock_mutex(&entry->next->mutex);
+ internal_unlock_mutex(&entry->next->mutex);
- if (entry->next->mutex.count == 0 && entry->conditionCount == 0)
- {
- mutexHashEntry *unlinked = entry->next;
+ if (entry->next->mutex.count == 0 && entry->conditionCount == 0)
+ {
+ mutexHashEntry *unlinked = entry->next;
- entry->next = unlinked->next;
- unlinked->next = firstFreeOverflowEntry;
- firstFreeOverflowEntry = unlinked;
+ entry->next = unlinked->next;
+ unlinked->next = firstFreeOverflowEntry;
+ firstFreeOverflowEntry = unlinked;
+ }
}
- }
}
#endif
builtin_monitorenter (java_objectheader *o)
{
#ifdef USE_THREADS
- int hashValue;
+ int hashValue;
assert(blockInts == 0);
- ++blockInts;
+ ++blockInts;
- hashValue = MUTEX_HASH_VALUE(o);
- if (mutexHashTable[hashValue].object == o
+ hashValue = MUTEX_HASH_VALUE(o);
+ if (mutexHashTable[hashValue].object == o
&& mutexHashTable[hashValue].mutex.holder == currentThread)
++mutexHashTable[hashValue].mutex.count;
- else
+ else
internal_lock_mutex_for_object(o);
--blockInts;
void builtin_monitorexit (java_objectheader *o)
{
#ifdef USE_THREADS
- int hashValue;
+ int hashValue;
assert(blockInts == 0);
- ++blockInts;
+ ++blockInts;
- hashValue = MUTEX_HASH_VALUE(o);
- if (mutexHashTable[hashValue].object == o)
- {
- if (mutexHashTable[hashValue].mutex.count == 1
- && mutexHashTable[hashValue].mutex.muxWaiters != 0)
- internal_unlock_mutex_for_object(o);
- else
- --mutexHashTable[hashValue].mutex.count;
- }
- else
+ hashValue = MUTEX_HASH_VALUE(o);
+ if (mutexHashTable[hashValue].object == o)
+ {
+ if (mutexHashTable[hashValue].mutex.count == 1
+ && mutexHashTable[hashValue].mutex.muxWaiters != 0)
+ internal_unlock_mutex_for_object(o);
+ else
+ --mutexHashTable[hashValue].mutex.count;
+ }
+ else
internal_unlock_mutex_for_object(o);
--blockInts;
/*****************************************************************************
- DIVERSE HILFSFUNKTIONEN
+ MISCELLANEOUS HELPER FUNCTIONS
*****************************************************************************/
-/*********** Funktionen f"ur die Integerdivision *****************************
+/*********** Functions for integer divisions *****************************
- Auf manchen Systemen (z.B. DEC ALPHA) wird durch die CPU keine Integer-
- division unterst"utzt.
- Daf"ur gibt es dann diese Hilfsfunktionen
+ On some systems (eg. DEC ALPHA), integer division is not supported by the
+ CPU. These helper functions implement the missing functionality.
******************************************************************************/
s4 builtin_irem (s4 a, s4 b) { return a%b; }
-/************** Funktionen f"ur Long-Arithmetik *******************************
+/************** Functions for long arithmetics *******************************
- Auf Systemen, auf denen die CPU keine 64-Bit-Integers unterst"utzt,
- werden diese Funktionen gebraucht
+ On systems where 64 bit Integers are not supported by the CPU, these
+ functions are needed.
******************************************************************************/
-/*********** Funktionen f"ur die Floating-Point-Operationen ******************/
+/*********** Functions for floating point operations *************************/
float builtin_fadd (float a, float b)
{
if (finitef(a)) {
if (finitef(b)) return a+b;
else return b;
- }
+ }
else {
if (finitef(b)) return a;
else {
if (copysignf(1.0, a)==copysignf(1.0, b)) return a;
else return FLT_NAN;
- }
}
+ }
}
float builtin_fsub (float a, float b)
if (finitef(b)) return a*b;
else {
if (a==0) return FLT_NAN;
- else return copysignf(b, copysignf(1.0, b)*a);
- }
+ else return copysignf(b, copysignf(1.0, b)*a);
}
+ }
else {
if (finitef(b)) {
if (b==0) return FLT_NAN;
- else return copysignf(a, copysignf(1.0, a)*b);
- }
+ else return copysignf(a, copysignf(1.0, a)*b);
+ }
else {
return copysignf(a, copysignf(1.0, a)*copysignf(1.0, b));
- }
}
+ }
}
float builtin_fdiv (float a, float b)
return FLT_POSINF;
else if (a < 0)
return FLT_NEGINF;
- }
}
+ }
return FLT_NAN;
}
float builtin_frem (float a, float b)
{
-
-/* return (float) builtin_drem((double) a, (double) b); */
-
- float f;
-
- if (finite((double) a) && finite((double) b)) {
- f = a / b;
- if (finite((double) f))
- return fmodf(a, b);
- return FLT_NAN;
- }
- if (isnan((double) b))
- return FLT_NAN;
- if (finite((double) a))
- return a;
- return FLT_NAN;
-
-/* float f;
-
- if (finitef(a) && finitef(b)) {
- f = a / b;
- if (finitef(f))
- return a - floorf(f) * b;
- return FLT_NAN;
- }
- if (isnanf(b))
- return FLT_NAN;
- if (finitef(a))
- return a;
- return FLT_NAN; */
+ return fmodf(a, b);
}
if (isnanf(a)) return a;
else {
if (finitef(a)) return -a;
- else return copysignf(a,-copysignf(1.0, a));
- }
+ else return copysignf(a,-copysignf(1.0, a));
+ }
}
s4 builtin_fcmpl (float a, float b)
if (isnanf(a)) return -1;
if (isnanf(b)) return -1;
if (!finitef(a) || !finitef(b)) {
- a = finitef(a) ? 0 : copysignf(1.0, a);
+ a = finitef(a) ? 0 : copysignf(1.0, a);
b = finitef(b) ? 0 : copysignf(1.0, b);
- }
+ }
if (a>b) return 1;
if (a==b) return 0;
return -1;
if (!finitef(a) || !finitef(b)) {
a = finitef(a) ? 0 : copysignf(1.0, a);
b = finitef(b) ? 0 : copysignf(1.0, b);
- }
+ }
if (a>b) return 1;
if (a==b) return 0;
return -1;
-/*********** Funktionen f"ur doppelt genaue Fliesskommazahlen ***************/
+/************************* Functions for doubles ****************************/
double builtin_dadd (double a, double b)
{
if (finite(a)) {
if (finite(b)) return a+b;
else return b;
- }
+ }
else {
if (finite(b)) return a;
else {
if (copysign(1.0, a)==copysign(1.0, b)) return a;
else return DBL_NAN;
- }
}
+ }
}
double builtin_dsub (double a, double b)
if (finite(b)) return a*b;
else {
if (a==0) return DBL_NAN;
- else return copysign(b, copysign(1.0, b)*a);
- }
+ else return copysign(b, copysign(1.0, b)*a);
}
+ }
else {
if (finite(b)) {
if (b==0) return DBL_NAN;
- else return copysign(a, copysign(1.0, a)*b);
- }
+ else return copysign(a, copysign(1.0, a)*b);
+ }
else {
return copysign(a, copysign(1.0, a)*copysign(1.0, b));
- }
}
+ }
}
double builtin_ddiv (double a, double b)
return DBL_POSINF;
else if (a < 0)
return DBL_NEGINF;
- }
}
+ }
return DBL_NAN;
}
double builtin_drem (double a, double b)
{
- double d;
-
- if (finite(a) && finite(b)) {
- d = a / b;
- if (finite(d)) {
- if ((d < 1.0) && (d > 0.0))
- return a;
- return fmod(a, b);
- }
- return DBL_NAN;
- }
- if (isnan(b))
- return DBL_NAN;
- if (finite(a))
- return a;
- return DBL_NAN;
+ return fmod(a, b);
}
double builtin_dneg (double a)
if (isnan(a)) return a;
else {
if (finite(a)) return -a;
- else return copysign(a,-copysign(1.0, a));
- }
+ else return copysign(a,-copysign(1.0, a));
+ }
}
s4 builtin_dcmpl (double a, double b)
if (!finite(a) || !finite(b)) {
a = finite(a) ? 0 : copysign(1.0, a);
b = finite(b) ? 0 : copysign(1.0, b);
- }
+ }
if (a>b) return 1;
if (a==b) return 0;
return -1;
if (!finite(a) || !finite(b)) {
a = finite(a) ? 0 : copysign(1.0, a);
b = finite(b) ? 0 : copysign(1.0, b);
- }
+ }
if (a>b) return 1;
if (a==b) return 0;
return -1;
}
-/*********************** Umwandlungsoperationen ****************************/
+/*********************** Conversion operations ****************************/
s8 builtin_i2l (s4 i)
{
float builtin_i2f (s4 a)
{
-float f = (float) a;
-return f;
+ float f = (float) a;
+ return f;
}
double builtin_i2d (s4 a)
{
-double d = (double) a;
-return d;
+ double d = (double) a;
+ return d;
}
s4 builtin_f2i(float a)
{
-return builtin_d2i((double) a);
+ return builtin_d2i((double) a);
-/* float f;
+ /* float f;
- if (isnanf(a))
+ if (isnanf(a))
return 0;
- if (finitef(a)) {
+ if (finitef(a)) {
if (a > 2147483647)
- return 2147483647;
+ return 2147483647;
if (a < (-2147483648))
- return (-2147483648);
+ return (-2147483648);
return (s4) a;
}
- f = copysignf((float) 1.0, a);
- if (f > 0)
+ f = copysignf((float) 1.0, a);
+ if (f > 0)
return 2147483647;
- return (-2147483648); */
+ return (-2147483648); */
}
s8 builtin_f2l (float a)
{
-return builtin_d2l((double) a);
+ return builtin_d2l((double) a);
-/* float f;
+ /* float f;
- if (finitef(a)) {
+ if (finitef(a)) {
if (a > 9223372036854775807L)
- return 9223372036854775807L;
+ return 9223372036854775807L;
if (a < (-9223372036854775808L))
- return (-9223372036854775808L);
+ return (-9223372036854775808L);
return (s8) a;
}
- if (isnanf(a))
+ if (isnanf(a))
return 0;
- f = copysignf((float) 1.0, a);
- if (f > 0)
+ f = copysignf((float) 1.0, a);
+ if (f > 0)
return 9223372036854775807L;
- return (-9223372036854775808L); */
+ return (-9223372036854775808L); */
}
if (finitef(a)) return (double) a;
else {
if (isnanf(a)) return DBL_NAN;
- else return copysign(DBL_POSINF, (double) copysignf(1.0, a) );
- }
+ else return copysign(DBL_POSINF, (double) copysignf(1.0, a) );
+ }
}
if (finite(a)) {
if (a >= 2147483647)
return 2147483647;
- if (a <= (-2147483648))
- return (-2147483648);
+ if (a <= (-2147483647-1))
+ return (-2147483647-1);
return (s4) a;
- }
+ }
if (isnan(a))
return 0;
d = copysign(1.0, a);
if (d > 0)
return 2147483647;
- return (-2147483648);
+ return (-2147483647-1);
}
double d;
if (finite(a)) {
- if (a >= 9223372036854775807L)
- return 9223372036854775807L;
- if (a <= (-9223372036854775807L-1))
- return (-9223372036854775807L-1);
+ if (a >= 9223372036854775807LL)
+ return 9223372036854775807LL;
+ if (a <= (-9223372036854775807LL-1))
+ return (-9223372036854775807LL-1);
return (s8) a;
- }
+ }
if (isnan(a))
return 0;
d = copysign(1.0, a);
if (d > 0)
- return 9223372036854775807L;
- return (-9223372036854775807L-1);
+ return 9223372036854775807LL;
+ return (-9223372036854775807LL-1);
}
if (finite(a)) return (float) a;
else {
if (isnan(a)) return FLT_NAN;
- else return copysignf (FLT_POSINF, (float) copysign(1.0, a));
- }
+ else return copysignf (FLT_POSINF, (float) copysign(1.0, a));
+ }
}
+
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */
projects / cacao.git / blobdiff