Mark Probst
Edwin Steiner
- $Id: loader.c 727 2003-12-11 10:52:40Z edwin $
+ $Id: loader.c 775 2003-12-14 12:57:05Z edwin $
*/
#include <sys/stat.h>
#include "global.h"
#include "loader.h"
+#include "main.h"
#include "native.h"
#include "tables.h"
#include "builtin.h"
#include "toolbox/memory.h"
#include "toolbox/loging.h"
#include "threads/thread.h"
+#include "threads/locks.h"
#include <sys/stat.h>
#ifdef USE_ZLIB
/* global variables ***********************************************************/
-bool opt_rt = false; /* true if RTA parse should be used RT-CO */
-bool opt_xta = false; /* true if XTA parse should be used XTA-CO */
-bool opt_vta = false; /* true if VTA parse should be used VTA-CO */
-
int count_class_infos = 0; /* variables for measurements */
int count_const_pool_len = 0;
int count_vftbl_len = 0;
int count_class_loads = 0;
int count_class_inits = 0;
-bool loadverbose = false; /* switches for debug messages */
-bool linkverbose = false;
-bool initverbose = false;
-
-bool makeinitializations = true;
-
-bool getloadingtime = false; /* to measure the runtime */
-long int loadingtime = 0;
-
static s4 interfaceindex; /* sequential numbering of interfaces */
list unloadedclasses; /* list of all referenced but not loaded classes */
/* utf-symbols for pointer comparison of frequently used strings */
-static utf *utf_innerclasses; /* InnerClasses */
-static utf *utf_constantvalue; /* ConstantValue */
-static utf *utf_code; /* Code */
-static utf *utf_finalize; /* finalize */
-static utf *utf_fidesc; /* ()V changed */
-static utf *utf_clinit; /* <clinit> */
-static utf *utf_initsystemclass; /* initializeSystemClass */
-static utf *utf_systemclass; /* java/lang/System */
-static utf *utf_vmclassloader; /*java/lang/VMClassLoader*/
-static utf *utf_vmclass; /*java/lang/VMClassLoader*/
+static utf *utf_innerclasses; /* InnerClasses */
+static utf *utf_constantvalue; /* ConstantValue */
+static utf *utf_code; /* Code */
+static utf *utf_finalize; /* finalize */
+static utf *utf_fidesc; /* ()V changed */
+static utf *utf_clinit; /* <clinit> */
+static utf *utf_initsystemclass; /* initializeSystemClass */
+static utf *utf_systemclass; /* java/lang/System */
+static utf *utf_vmclassloader; /* java/lang/VMClassLoader */
+static utf *utf_vmclass; /* java/lang/VMClassLoader */
static utf *utf_initialize;
static utf *utf_initializedesc;
utf* clinit_name(){
return utf_clinit;
}
+
+
/* important system classes ***************************************************/
classinfo *class_java_lang_Object;
static int loader_inited = 0;
+
/******************************************************************************
structure for primitive classes: contains the class for wrapping the
#endif
}
+
/***************** Function: print_arraydescriptor ****************************
Debugging helper for displaying an arraydescriptor
*******************************************************************************/
-void
-print_arraydescriptor(FILE *file,arraydescriptor *desc)
+void print_arraydescriptor(FILE *file, arraydescriptor *desc)
{
if (!desc) {
- fprintf(file,"<NULL>");
+ fprintf(file, "<NULL>");
return;
}
- fprintf(file,"{");
+ fprintf(file, "{");
if (desc->componentvftbl) {
if (desc->componentvftbl->class)
- utf_fprint(file,desc->componentvftbl->class->name);
+ utf_fprint(file, desc->componentvftbl->class->name);
else
- fprintf(file,"<no classinfo>");
+ fprintf(file, "<no classinfo>");
}
else
- fprintf(file,"0");
+ fprintf(file, "0");
- fprintf(file,",");
+ fprintf(file, ",");
if (desc->elementvftbl) {
if (desc->elementvftbl->class)
- utf_fprint(file,desc->elementvftbl->class->name);
+ utf_fprint(file, desc->elementvftbl->class->name);
else
- fprintf(file,"<no classinfo>");
+ fprintf(file, "<no classinfo>");
}
else
- fprintf(file,"0");
- fprintf(file,",%d,%d,%d,%d}",desc->arraytype,desc->dimension,
- desc->dataoffset,desc->componentsize);
+ fprintf(file, "0");
+ fprintf(file, ",%d,%d,%d,%d}", desc->arraytype, desc->dimension,
+ desc->dataoffset, desc->componentsize);
}
+
/******************************************************************************/
/************************** Functions for fields ****************************/
/******************************************************************************/
case TYPE_FLOAT: f->value.f = 0.0; break;
case TYPE_DOUBLE: f->value.d = 0.0; break;
case TYPE_ADDRESS: f->value.a = NULL;
- heap_addreference (&(f->value.a)); /* make global reference (GC) */
+/* heap_addreference (&(f->value.a)); /* make global reference (GC) */
break;
case TYPE_LONG:
#if U8_AVAILABLE
/**************** Function: field_display (debugging only) ********************/
-void field_display (fieldinfo *f)
+void field_display(fieldinfo *f)
{
- printf (" ");
- printflags (f -> flags);
- printf (" ");
- utf_display (f -> name);
- printf (" ");
- utf_display (f -> descriptor);
- printf (" offset: %ld\n", (long int) (f -> offset) );
+ printf(" ");
+ printflags(f->flags);
+ printf(" ");
+ utf_display(f->name);
+ printf(" ");
+ utf_display(f->descriptor);
+ printf(" offset: %ld\n", (long int) (f->offset));
}
*******************************************************************************/
-static void method_load (methodinfo *m, classinfo *c)
+static void method_load(methodinfo *m, classinfo *c)
{
- u4 attrnum,i,e;
+ u4 attrnum, i, e;
#ifdef STATISTICS
count_all_methods++;
#endif
- m -> class = c;
+ m->class = c;
- m -> flags = suck_u2 ();
- m -> name = class_getconstant (c, suck_u2(), CONSTANT_Utf8);
- m -> descriptor = class_getconstant (c, suck_u2(), CONSTANT_Utf8);
+ m->flags = suck_u2();
+ m->name = class_getconstant(c, suck_u2(), CONSTANT_Utf8);
+ m->descriptor = class_getconstant(c, suck_u2(), CONSTANT_Utf8);
checkmethoddescriptor(m->descriptor);
- m -> jcode = NULL;
- m -> exceptiontable = NULL;
- m -> entrypoint = NULL;
- m -> mcode = NULL;
- m -> stubroutine = NULL;
- m -> methodUsed = NOTUSED;
- m -> monoPoly = MONO;
- m -> subRedefs = 0;
- m -> subRedefsUsed = 0;
+ m->jcode = NULL;
+ m->exceptiontable = NULL;
+ m->entrypoint = NULL;
+ m->mcode = NULL;
+ m->stubroutine = NULL;
+ m->methodUsed = NOTUSED;
+ m->monoPoly = MONO;
+ m->subRedefs = 0;
+ m->subRedefsUsed = 0;
m->xta = NULL;
- if (! (m->flags & ACC_NATIVE) ) {
- m -> stubroutine = createcompilerstub (m);
- }
- else {
+ if (!(m->flags & ACC_NATIVE)) {
+ m->stubroutine = createcompilerstub(m);
- functionptr f = native_findfunction
- (c->name, m->name, m->descriptor, (m->flags & ACC_STATIC) != 0);
+ } else {
+ functionptr f = native_findfunction(c->name, m->name, m->descriptor,
+ (m->flags & ACC_STATIC) != 0);
if (f) {
- m -> stubroutine = createnativestub (f, m);
- }
+ m->stubroutine = createnativestub(f, m);
}
+ }
attrnum = suck_u2();
- for (i=0; i<attrnum; i++) {
+ for (i = 0; i < attrnum; i++) {
utf *aname;
- aname = class_getconstant (c, suck_u2(), CONSTANT_Utf8);
+ aname = class_getconstant(c, suck_u2(), CONSTANT_Utf8);
- if ( aname != utf_code) {
- skipattributebody ();
- }
- else {
+ if (aname != utf_code) {
+ skipattributebody();
+
+ } else {
u4 codelen;
- if (m -> jcode) panic ("Two code-attributes for one method!");
+ if (m->jcode)
+ panic("Two code-attributes for one method!");
suck_u4();
- m -> maxstack = suck_u2();
- m -> maxlocals = suck_u2();
+ m->maxstack = suck_u2();
+ m->maxlocals = suck_u2();
codelen = suck_u4();
if (codelen == 0)
panic("bytecode has zero length");
if (codelen > 65536)
panic("bytecode too long");
- m -> jcodelength = codelen;
- m -> jcode = MNEW (u1, m->jcodelength);
- suck_nbytes (m->jcode, m->jcodelength);
- m -> exceptiontablelength = suck_u2 ();
- m -> exceptiontable =
- MNEW (exceptiontable, m->exceptiontablelength);
+ m->jcodelength = codelen;
+ m->jcode = MNEW(u1, m->jcodelength);
+ suck_nbytes(m->jcode, m->jcodelength);
+ m->exceptiontablelength = suck_u2();
+ m->exceptiontable =
+ MNEW(exceptiontable, m->exceptiontablelength);
#ifdef STATISTICS
- count_vmcode_len += m->jcodelength + 18;
- count_extable_len += 8 * m->exceptiontablelength;
+ count_vmcode_len += m->jcodelength + 18;
+ count_extable_len += 8 * m->exceptiontablelength;
#endif
- for (e=0; e < m->exceptiontablelength; e++) {
+ for (e = 0; e < m->exceptiontablelength; e++) {
u4 idx;
- m -> exceptiontable[e].startpc = suck_u2();
- m -> exceptiontable[e].endpc = suck_u2();
- m -> exceptiontable[e].handlerpc = suck_u2();
+ m->exceptiontable[e].startpc = suck_u2();
+ m->exceptiontable[e].endpc = suck_u2();
+ m->exceptiontable[e].handlerpc = suck_u2();
idx = suck_u2();
- if (!idx) m -> exceptiontable[e].catchtype = NULL;
- else {
- m -> exceptiontable[e].catchtype =
- class_getconstant (c, idx, CONSTANT_Class);
- }
- }
+ if (!idx) {
+ m->exceptiontable[e].catchtype = NULL;
- skipattributes ( suck_u2() );
- }
-
- }
+ } else {
+ m->exceptiontable[e].catchtype =
+ class_getconstant(c, idx, CONSTANT_Class);
+ }
+ }
+ skipattributes(suck_u2());
+ }
+ }
}
+
/********************* Function: method_free ***********************************
frees all memory that was allocated for this method
*******************************************************************************/
-static void method_free (methodinfo *m)
+static void method_free(methodinfo *m)
{
- if (m->jcode) MFREE (m->jcode, u1, m->jcodelength);
- if (m->exceptiontable)
- MFREE (m->exceptiontable, exceptiontable, m->exceptiontablelength);
- if (m->mcode) CFREE (m->mcode, m->mcodelength);
+ if (m->jcode)
+ MFREE(m->jcode, u1, m->jcodelength);
+
+ if (m->exceptiontable)
+ MFREE(m->exceptiontable, exceptiontable, m->exceptiontablelength);
+
+ if (m->mcode)
+ CFREE(m->mcode, m->mcodelength);
+
if (m->stubroutine) {
- if (m->flags & ACC_NATIVE) removenativestub (m->stubroutine);
- else removecompilerstub (m->stubroutine);
+ if (m->flags & ACC_NATIVE) {
+ removenativestub(m->stubroutine);
+
+ } else {
+ removecompilerstub(m->stubroutine);
}
+ }
}
/************** Function: method_display (debugging only) **************/
-void method_display (methodinfo *m)
+void method_display(methodinfo *m)
{
- printf (" ");
- printflags (m -> flags);
- printf (" ");
- utf_display (m -> name);
- printf (" ");
- utf_display (m -> descriptor);
- printf ("\n");
+ printf(" ");
+ printflags(m->flags);
+ printf(" ");
+ utf_display(m->name);
+ printf(" ");
+ utf_display(m->descriptor);
+ printf("\n");
}
*******************************************************************************/
-voidptr class_getconstant (classinfo *c, u4 pos, u4 ctype)
+voidptr class_getconstant(classinfo *c, u4 pos, u4 ctype)
{
/* invalid position in constantpool */
- if (pos >= c->cpcount)
- panic ("Attempt to access constant outside range");
+ if (pos >= c->cpcount)
+ panic("Attempt to access constant outside range");
/* check type of constantpool entry */
if (c->cptags[pos] != ctype) {
class_showconstantpool(c);
- error ("Type mismatch on constant: %d requested, %d here (class_getconstant)",
- (int) ctype, (int) c->cptags[pos] );
- }
+ error("Type mismatch on constant: %d requested, %d here (class_getconstant)",
+ (int) ctype, (int) c->cptags[pos]);
+ }
return c->cpinfos[pos];
}
*******************************************************************************/
-u4 class_constanttype (classinfo *c, u4 pos)
+u4 class_constanttype(classinfo *c, u4 pos)
{
- if (pos >= c->cpcount)
- panic ("Attempt to access constant outside range");
+ if (pos >= c->cpcount)
+ panic("Attempt to access constant outside range");
+
return c->cptags[pos];
}
*******************************************************************************/
-static void class_loadcpool (classinfo *c)
+static void class_loadcpool(classinfo *c)
{
/* The following structures are used to save information which cannot be
if (loadverbose) {
char logtext[MAXLOGTEXT];
sprintf(logtext, "Loading class: ");
- utf_sprint(logtext+strlen(logtext), c->name);
- dolog(logtext);
+ utf_sprint(logtext + strlen(logtext), c->name);
+ log_text(logtext);
}
/* load classdata, throw exception on error */
if (!suck_start(c->name)) {
- throw_classnotfoundexception2(c->name);
+ throw_noclassdeffounderror_message(c->name);
return false;
}
mi = suck_u2();
ma = suck_u2();
if (ma != MAJOR_VERSION && (ma != MAJOR_VERSION+1 || mi != 0)) {
- error ("File version %d.%d is not supported",
- (int) ma, (int) mi);
- }
+ error("File version %d.%d is not supported", (int) ma, (int) mi);
+ }
- class_loadcpool (c);
+ class_loadcpool(c);
/*JOWENN*/
- c->erroneous_state=0;
- c->initializing_thread=0;
+ c->erroneous_state = 0;
+ c->initializing_thread = 0;
/*JOWENN*/
- c -> classUsed = NOTUSED; /* not used initially CO-RT */
- c -> impldBy = NULL;
+ c->classUsed = NOTUSED; /* not used initially CO-RT */
+ c->impldBy = NULL;
/* ACC flags */
- c -> flags = suck_u2 ();
+ c->flags = suck_u2();
/*if (!(c->flags & ACC_PUBLIC)) { log_text("CLASS NOT PUBLIC"); } JOWENN*/
/* this class */
- suck_u2 ();
+ suck_u2();
/* retrieve superclass */
- if ( (i = suck_u2 () ) ) {
- c -> super = class_getconstant (c, i, CONSTANT_Class);
- }
- else {
- c -> super = NULL;
- }
+ if ((i = suck_u2())) {
+ c->super = class_getconstant(c, i, CONSTANT_Class);
+
+ } else {
+ c->super = NULL;
+ }
/* retrieve interfaces */
- c -> interfacescount = suck_u2 ();
- c -> interfaces = MNEW (classinfo*, c -> interfacescount);
- for (i=0; i < c -> interfacescount; i++) {
- c -> interfaces [i] =
- class_getconstant (c, suck_u2(), CONSTANT_Class);
- }
+ c->interfacescount = suck_u2();
+ c->interfaces = MNEW(classinfo*, c->interfacescount);
+ for (i = 0; i < c->interfacescount; i++) {
+ c->interfaces [i] =
+ class_getconstant(c, suck_u2(), CONSTANT_Class);
+ }
/* load fields */
- c -> fieldscount = suck_u2 ();
+ c->fieldscount = suck_u2();
/* utf_display(c->name);
printf(" ,Fieldscount: %d\n",c->fieldscount);*/
- c -> fields = GCNEW (fieldinfo, c -> fieldscount);
- for (i=0; i < c -> fieldscount; i++) {
- field_load (&(c->fields[i]), c);
- }
+ c->fields = GCNEW(fieldinfo, c->fieldscount);
+ for (i = 0; i < c->fieldscount; i++) {
+ field_load(&(c->fields[i]), c);
+ }
/* load methods */
- c -> methodscount = suck_u2 ();
- c -> methods = MNEW (methodinfo, c -> methodscount);
- for (i=0; i < c -> methodscount; i++) {
- method_load (&(c -> methods [i]), c);
- }
+ c->methodscount = suck_u2();
+ c->methods = MNEW(methodinfo, c->methodscount);
+ for (i = 0; i < c->methodscount; i++) {
+ method_load(&(c->methods[i]), c);
+ }
#ifdef STATISTICS
- count_class_infos += sizeof(classinfo*) * c -> interfacescount;
- count_class_infos += sizeof(fieldinfo) * c -> fieldscount;
- count_class_infos += sizeof(methodinfo) * c -> methodscount;
+ count_class_infos += sizeof(classinfo*) * c->interfacescount;
+ count_class_infos += sizeof(fieldinfo) * c->fieldscount;
+ count_class_infos += sizeof(methodinfo) * c->methodscount;
#endif
/* load variable-length attribute structures */
- attribute_load (suck_u2(), c);
+ attribute_load(suck_u2(), c);
/* free memory */
- suck_stop ();
+ suck_stop();
/* remove class from list of unloaded classes and
add to list of unlinked classes */
- list_remove (&unloadedclasses, c);
- list_addlast (&unlinkedclasses, c);
- c->loaded=true;
+ list_remove(&unloadedclasses, c);
+ list_addlast(&unlinkedclasses, c);
+
+ c->loaded = true;
+
return true;
}
*******************************************************************************/
-static s4 class_highestinterface (classinfo *c)
+static s4 class_highestinterface(classinfo *c)
{
s4 h;
s4 i;
- if ( ! (c->flags & ACC_INTERFACE) ) {
+ if (!(c->flags & ACC_INTERFACE)) {
char logtext[MAXLOGTEXT];
- sprintf (logtext, "Interface-methods count requested for non-interface: ");
- utf_sprint (logtext+strlen(logtext), c->name);
- error(logtext);
- }
+ sprintf(logtext, "Interface-methods count requested for non-interface: ");
+ utf_sprint(logtext + strlen(logtext), c->name);
+ error("%s",logtext);
+ }
h = c->index;
- for (i=0; i<c->interfacescount; i++) {
- s4 h2 = class_highestinterface (c->interfaces[i]);
- if (h2>h) h=h2;
- }
+ for (i = 0; i < c->interfacescount; i++) {
+ s4 h2 = class_highestinterface(c->interfaces[i]);
+ if (h2 > h) h = h2;
+ }
+
return h;
}
*******************************************************************************/
-void
-class_new_array(classinfo *c)
+void class_new_array(classinfo *c)
{
classinfo *comp = NULL;
methodinfo *clone;
c->methods = MNEW (methodinfo, c->methodscount); /* XXX use GC? */
clone = c->methods;
- memset(clone,0,sizeof(methodinfo));
+ memset(clone, 0, sizeof(methodinfo));
clone->flags = ACC_PUBLIC; /* XXX protected? */
clone->name = utf_new_char("clone");
clone->descriptor = utf_new_char("()Ljava/lang/Object;");
clone->class = c;
- clone->stubroutine = createnativestub(&builtin_clone_array,clone);
+ clone->stubroutine = createnativestub((functionptr) &builtin_clone_array, clone);
clone->monoPoly = MONO; /* XXX should be poly? */
/* XXX: field: length? */
loader_load(c->name); /* XXX handle errors */
}
+
/****************** Function: class_link_array *********************************
This function is called by class_link to create the
*******************************************************************************/
-static
-arraydescriptor *
-class_link_array(classinfo *c)
+static arraydescriptor *class_link_array(classinfo *c)
{
classinfo *comp = NULL;
int namelen = c->name->blength;
return desc;
}
+
/********************** Function: class_link ***********************************
Tries to link a class. The super class and every implemented interface must
vftbllength = supervftbllength = 0;
c->finalizer = NULL;
- }
- else {
+
+ } else {
if (!super->linked) {
list_remove(&unlinkedclasses, c);
list_addlast(&unlinkedclasses, c);
if (linkverbose) {
char logtext[MAXLOGTEXT];
- sprintf (logtext, "Linking Class: ");
- utf_sprint (logtext+strlen(logtext), c->name );
- dolog (logtext);
+ sprintf(logtext, "Linking Class: ");
+ utf_sprint(logtext + strlen(logtext), c->name );
+ log_text(logtext);
}
/* compute vftbl length */
}
#ifdef STATISTICS
- count_vftbl_len += sizeof(vftbl) + sizeof(methodptr)*(vftbllength-1);
+ count_vftbl_len += sizeof(vftbl) + (sizeof(methodptr) * (vftbllength - 1));
#endif
/* compute interfacetable length */
fieldinfo *f = &(c->fields[i]);
if (!(f->flags & ACC_STATIC) ) {
- dsize = desc_typesize (f->descriptor);
- c->instancesize = ALIGN (c->instancesize, dsize);
+ dsize = desc_typesize(f->descriptor);
+ c->instancesize = ALIGN(c->instancesize, dsize);
f->offset = c->instancesize;
c->instancesize += dsize;
}
/* initialize interfacetable and interfacevftbllength */
- v->interfacevftbllength = MNEW (s4, interfacetablelength);
+ v->interfacevftbllength = MNEW(s4, interfacetablelength);
#ifdef STATISTICS
count_vftbl_len += (4 + sizeof(s4)) * v->interfacetablelength;
for (c2 = c; c2 != NULL; c2 = c2->super)
for (i = 0; i < c2->interfacescount; i++) {
- class_addinterface (c, c2->interfaces[i]);
+ class_addinterface(c, c2->interfaces[i]);
}
/* add finalizer method (not for java.lang.Object) */
if (fidesc == NULL)
fidesc = utf_fidesc;
- fi = class_findmethod (c, finame, fidesc);
+ fi = class_findmethod(c, finame, fidesc);
if (fi != NULL) {
if (!(fi->flags & ACC_STATIC)) {
c->finalizer = fi;
c->linked = true;
- list_remove (&unlinkedclasses, c);
- list_addlast (&linkedclasses, c);
-
+ list_remove(&unlinkedclasses, c);
+ list_addlast(&linkedclasses, c);
}
*******************************************************************************/
-static void class_free (classinfo *c)
+static void class_free(classinfo *c)
{
s4 i;
vftbl *v;
- class_freecpool (c);
+ class_freecpool(c);
- MFREE (c->interfaces, classinfo*, c->interfacescount);
+ MFREE(c->interfaces, classinfo*, c->interfacescount);
for (i = 0; i < c->fieldscount; i++)
field_free(&(c->fields[i]));
for (i = 0; i < c->methodscount; i++)
method_free(&(c->methods[i]));
- MFREE (c->methods, methodinfo, c->methodscount);
+ MFREE(c->methods, methodinfo, c->methodscount);
if ((v = c->vftbl) != NULL) {
if (v->arraydesc)
mem_free(v->arraydesc,sizeof(arraydescriptor));
for (i = 0; i < v->interfacetablelength; i++) {
- MFREE (v->interfacetable[-i], methodptr, v->interfacevftbllength[i]);
- }
- MFREE (v->interfacevftbllength, s4, v->interfacetablelength);
+ MFREE(v->interfacetable[-i], methodptr, v->interfacevftbllength[i]);
+ }
+ MFREE(v->interfacevftbllength, s4, v->interfacetablelength);
i = sizeof(vftbl) + sizeof(methodptr) * (v->vftbllength - 1) +
sizeof(methodptr*) * (v->interfacetablelength -
(v->interfacetablelength > 0));
v = (vftbl*) (((methodptr*) v) - (v->interfacetablelength - 1) *
(v->interfacetablelength > 1));
- mem_free (v, i);
- }
+ mem_free(v, i);
+ }
if (c->innerclasscount)
- MFREE (c->innerclass, innerclassinfo, c->innerclasscount);
+ MFREE(c->innerclass, innerclassinfo, c->innerclasscount);
/* if (c->classvftbl)
mem_free(c->header.vftbl, sizeof(vftbl) + sizeof(methodptr)*(c->vftbl->vftbllength-1)); */
- FREE (c, classinfo);
+ GCFREE(c);
}
+
/************************* Function: class_findfield ***************************
Searches a 'classinfo' structure for a field having the given name and
*******************************************************************************/
-
-fieldinfo *class_findfield (classinfo *c, utf *name, utf *desc)
+fieldinfo *class_findfield(classinfo *c, utf *name, utf *desc)
{
s4 i;
-
for (i = 0; i < c->fieldscount; i++) {
if ((c->fields[i].name == name) && (c->fields[i].descriptor == desc))
return &(c->fields[i]);
}
- panic ("Can not find field given in CONSTANT_Fieldref");
+ panic("Can not find field given in CONSTANT_Fieldref");
+
+ /* keep compiler happy */
return NULL;
}
*******************************************************************************/
-s4 class_findmethodIndex (classinfo *c, utf *name, utf *desc)
+s4 class_findmethodIndex(classinfo *c, utf *name, utf *desc)
{
s4 i;
#if defined(JOWENN_DEBUG1) || defined(JOWENN_DEBUG2)
#ifdef JOWENN_DEBUG1
buffer_len =
- utf_strlen(name) + utf_strlen(desc) +utf_strlen(c->name)+ 64;
+ utf_strlen(name) + utf_strlen(desc) + utf_strlen(c->name) + 64;
buffer = MNEW(char, buffer_len);
strcpy(buffer, "class_findmethod: method:");
- utf_sprint(buffer+strlen(buffer), name);
- strcpy(buffer+strlen(buffer), ", desc: ");
- utf_sprint(buffer+strlen(buffer), desc);
- strcpy(buffer+strlen(buffer), ", classname: ");
- utf_sprint(buffer+strlen(buffer), c->name);
+ utf_sprint(buffer + strlen(buffer), name);
+ strcpy(buffer + strlen(buffer), ", desc: ");
+ utf_sprint(buffer + strlen(buffer), desc);
+ strcpy(buffer + strlen(buffer), ", classname: ");
+ utf_sprint(buffer + strlen(buffer), c->name);
log_text(buffer);
for (i = 0; i < c->methodscount; i++) {
#ifdef JOWENN_DEBUG2
buffer_len =
- utf_strlen(c->methods[i].name) + utf_strlen(c->methods[i].descriptor)+ 64;
+ utf_strlen(c->methods[i].name) + utf_strlen(c->methods[i].descriptor)+ 64;
buffer = MNEW(char, buffer_len);
strcpy(buffer, "class_findmethod: comparing to method:");
- utf_sprint(buffer+strlen(buffer), c->methods[i].name);
- strcpy(buffer+strlen(buffer), ", desc: ");
- utf_sprint(buffer+strlen(buffer), c->methods[i].descriptor);
+ utf_sprint(buffer + strlen(buffer), c->methods[i].name);
+ strcpy(buffer + strlen(buffer), ", desc: ");
+ utf_sprint(buffer + strlen(buffer), c->methods[i].descriptor);
log_text(buffer);
if ((c->methods[i].name == name) && ((desc == NULL) ||
- (c->methods[i].descriptor == desc)))
+ (c->methods[i].descriptor == desc))) {
return i;
}
+ }
+
#ifdef JOWENN_DEBUG2
class_showconstantpool(c);
log_text("class_findmethod: returning NULL");
#endif
+
return -1;
}
-
/************************* Function: class_findmethod **************************
Searches a 'classinfo' structure for a method having the given name and
*******************************************************************************/
-methodinfo *class_findmethod (classinfo *c, utf *name, utf *desc)
+methodinfo *class_findmethod(classinfo *c, utf *name, utf *desc)
{
#if 0
s4 i;
#ifdef JOWENN_DEBUG1
buffer_len =
- utf_strlen(name) + utf_strlen(desc) +utf_strlen(c->name)+ 64;
+ utf_strlen(name) + utf_strlen(desc) + utf_strlen(c->name) + 64;
buffer = MNEW(char, buffer_len);
strcpy(buffer, "class_findmethod: method:");
- utf_sprint(buffer+strlen(buffer), name);
- strcpy(buffer+strlen(buffer), ", desc: ");
- utf_sprint(buffer+strlen(buffer), desc);
- strcpy(buffer+strlen(buffer), ", classname: ");
- utf_sprint(buffer+strlen(buffer), c->name);
+ utf_sprint(buffer + strlen(buffer), name);
+ strcpy(buffer + strlen(buffer), ", desc: ");
+ utf_sprint(buffer + strlen(buffer), desc);
+ strcpy(buffer + strlen(buffer), ", classname: ");
+ utf_sprint(buffer + strlen(buffer), c->name);
log_text(buffer);
for (i = 0; i < c->methodscount; i++) {
#ifdef JOWENN_DEBUG2
buffer_len =
- utf_strlen(c->methods[i].name) + utf_strlen(c->methods[i].descriptor)+ 64;
+ utf_strlen(c->methods[i].name) + utf_strlen(c->methods[i].descriptor)+ 64;
buffer = MNEW(char, buffer_len);
strcpy(buffer, "class_findmethod: comparing to method:");
- utf_sprint(buffer+strlen(buffer), c->methods[i].name);
- strcpy(buffer+strlen(buffer), ", desc: ");
- utf_sprint(buffer+strlen(buffer), c->methods[i].descriptor);
+ utf_sprint(buffer + strlen(buffer), c->methods[i].name);
+ strcpy(buffer + strlen(buffer), ", desc: ");
+ utf_sprint(buffer + strlen(buffer), c->methods[i].descriptor);
log_text(buffer);
MFREE(buffer, char, buffer_len);
#endif
-
if ((c->methods[i].name == name) && ((desc == NULL) ||
- (c->methods[i].descriptor == desc)))
+ (c->methods[i].descriptor == desc))) {
return &(c->methods[i]);
}
+ }
#ifdef JOWENN_DEBUG2
class_showconstantpool(c);
log_text("class_findmethod: returning NULL");
#endif
return NULL;
#endif
- s4 idx=class_findmethodIndex(c,name,desc);
+
+ s4 idx=class_findmethodIndex(c, name, desc);
/* if (idx==-1) log_text("class_findmethod: method not found");*/
- if (idx==-1) return NULL;
+ if (idx == -1) return NULL;
+
return &(c->methods[idx]);
}
methodinfo *class_fetchmethod(classinfo *c, utf *name, utf *desc)
{
methodinfo *mi;
- mi = class_findmethod(c,name,desc);
+ mi = class_findmethod(c, name, desc);
+
if (!mi) {
log_plain("Class: "); if (c) log_plain_utf(c->name); log_nl();
log_plain("Method: "); if (name) log_plain_utf(name); log_nl();
log_plain("Descriptor: "); if (desc) log_plain_utf(desc); log_nl();
panic("Method not found");
}
+
return mi;
}
+
/************************* Function: class_findmethod_approx ******************
like class_findmethod but ignores the return value when comparing the
*******************************************************************************/
-methodinfo *class_findmethod_approx (classinfo *c, utf *name, utf *desc)
+methodinfo *class_findmethod_approx(classinfo *c, utf *name, utf *desc)
{
s4 i;
- for (i = 0; i < c->methodscount; i++)
+ for (i = 0; i < c->methodscount; i++) {
if (c->methods[i].name == name) {
utf *meth_descr = c->methods[i].descriptor;
return &(c->methods[i]);
if (desc->blength <= meth_descr->blength) {
- /* current position in utf text */
- char *desc_utf_ptr = desc->text;
- char *meth_utf_ptr = meth_descr->text;
- /* points behind utf strings */
- char *desc_end = utf_end(desc);
- char *meth_end = utf_end(meth_descr);
- char ch;
-
- /* compare argument types */
- while (desc_utf_ptr<desc_end && meth_utf_ptr<meth_end) {
-
- if ((ch=*desc_utf_ptr++) != (*meth_utf_ptr++))
- break; /* no match */
-
- if (ch==')')
- return &(c->methods[i]); /* all parameter types equal */
- }
+ /* current position in utf text */
+ char *desc_utf_ptr = desc->text;
+ char *meth_utf_ptr = meth_descr->text;
+ /* points behind utf strings */
+ char *desc_end = utf_end(desc);
+ char *meth_end = utf_end(meth_descr);
+ char ch;
+
+ /* compare argument types */
+ while (desc_utf_ptr < desc_end && meth_utf_ptr < meth_end) {
+
+ if ((ch = *desc_utf_ptr++) != (*meth_utf_ptr++))
+ break; /* no match */
+
+ if (ch == ')')
+ return &(c->methods[i]); /* all parameter types equal */
+ }
}
}
+ }
return NULL;
}
+
/***************** Function: class_resolvemethod_approx ***********************
Searches a class and every super class for a method (without paying
*******************************************************************************/
-methodinfo *class_resolvemethod_approx (classinfo *c, utf *name, utf *desc)
+methodinfo *class_resolvemethod_approx(classinfo *c, utf *name, utf *desc)
{
while (c) {
/* search for method (ignore returntype) */
- methodinfo *m = class_findmethod_approx (c, name, desc);
+ methodinfo *m = class_findmethod_approx(c, name, desc);
/* method found */
if (m) return m;
/* search superclass */
c = c->super;
- }
+ }
+
return NULL;
}
*******************************************************************************/
-methodinfo *class_resolvemethod (classinfo *c, utf *name, utf *desc)
+methodinfo *class_resolvemethod(classinfo *c, utf *name, utf *desc)
{
while (c) {
methodinfo *m = class_findmethod(c, name, desc);
/* search superclass */
c = c->super;
}
+
return NULL;
}
-
/************************* Function: class_issubclass **************************
Checks if sub is a descendant of super.
{
for (;;) {
if (!sub) return false;
- if (sub==super) return true;
- sub = sub -> super;
+ if (sub == super) return true;
+ sub = sub->super;
}
}
-
/****************** Initialization function for classes ******************
In Java, every class can have a static initialization function. This
*******************************************************************************/
-#ifdef USE_THREADS
-extern int blockInts;
-#endif
-
void class_init(classinfo *c)
{
- methodinfo *m;
- java_objectheader *exceptionptr;
- s4 i;
- int b;
-
-
- if (!makeinitializations)
- return;
- if (c->initialized)
- return;
- c -> initialized = true;
+ methodinfo *m;
+ s4 i;
+#ifdef USE_THREADS
+ int b;
+#endif
+ if (!makeinitializations)
+ return;
+ if (c->initialized)
+ return;
+ c->initialized = true;
#ifdef STATISTICS
- count_class_inits++;
+ count_class_inits++;
#endif
- if (c->super)
- class_init (c->super);
- for (i=0; i < c->interfacescount; i++)
- class_init(c->interfaces[i]); /* real */
-
- m = class_findmethod (c, utf_clinit, utf_fidesc);
- if (!m) {
- if (initverbose) {
- char logtext[MAXLOGTEXT];
- sprintf (logtext, "Class ");
- utf_sprint (logtext+strlen(logtext), c->name);
- sprintf (logtext+strlen(logtext), " has no initializer");
- dolog (logtext);
- }
-/* goto callinitialize;*/
- return;
- }
-
- if (! (m->flags & ACC_STATIC))
- panic ("Class initializer is not static!");
-
- if (initverbose) {
- char logtext[MAXLOGTEXT];
- sprintf (logtext, "Starting initializer for class: ");
- utf_sprint (logtext+strlen(logtext), c->name);
- dolog (logtext);
- }
+ if (c->super)
+ class_init (c->super);
+ for (i = 0; i < c->interfacescount; i++)
+ class_init(c->interfaces[i]); /* real */
+
+ m = class_findmethod(c, utf_clinit, utf_fidesc);
+ if (!m) {
+ if (initverbose) {
+ char logtext[MAXLOGTEXT];
+ sprintf(logtext, "Class ");
+ utf_sprint(logtext + strlen(logtext), c->name);
+ sprintf(logtext + strlen(logtext), " has no initializer");
+ log_text(logtext);
+ }
+ /* goto callinitialize;*/
+ return;
+ }
+
+ if (!(m->flags & ACC_STATIC))
+ panic("Class initializer is not static!");
+
+ if (initverbose) {
+ char logtext[MAXLOGTEXT];
+ sprintf(logtext, "Starting initializer for class: ");
+ utf_sprint(logtext + strlen(logtext), c->name);
+ log_text(logtext);
+ }
#ifdef USE_THREADS
- b = blockInts;
- blockInts = 0;
+ b = blockInts;
+ blockInts = 0;
#endif
- exceptionptr = asm_calljavamethod(m, NULL, NULL, NULL, NULL);
+ asm_calljavafunction(m, NULL, NULL, NULL, NULL);
#ifdef USE_THREADS
- assert(blockInts == 0);
- blockInts = b;
+ assert(blockInts == 0);
+ blockInts = b;
#endif
- if (exceptionptr) {
- printf ("#### Initializer of ");
- utf_display (c->name);
- printf (" has thrown: ");
- utf_display (exceptionptr->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
- }
-
- if (initverbose) {
- char logtext[MAXLOGTEXT];
- sprintf (logtext, "Finished initializer for class: ");
- utf_sprint (logtext+strlen(logtext), c->name);
- dolog (logtext);
- }
- if (c->name == utf_systemclass) {
- /* class java.lang.System requires explicit initialization */
-
- if (initverbose)
- printf ("#### Initializing class System");
-
- /* find initializing method */
- m = class_findmethod (c,
- utf_initsystemclass,
- utf_fidesc);
+ if (exceptionptr) {
+ printf("#### Initializer of ");
+ utf_display(c->name);
+ printf(" has thrown: ");
+ utf_display(exceptionptr->vftbl->class->name);
+ printf("\n");
+ fflush(stdout);
+ }
- if (!m) {
- /* no method found */
- /* printf("initializeSystemClass failed"); */
- return;
- }
- #ifdef USE_THREADS
- b = blockInts;
- blockInts = 0;
- #endif
+ if (initverbose) {
+ char logtext[MAXLOGTEXT];
+ sprintf(logtext, "Finished initializer for class: ");
+ utf_sprint(logtext + strlen(logtext), c->name);
+ log_text(logtext);
+ }
+ if (c->name == utf_systemclass) {
+ /* class java.lang.System requires explicit initialization */
- exceptionptr = asm_calljavamethod (m, NULL,NULL,NULL,NULL);
+ if (initverbose)
+ printf("#### Initializing class System");
- #ifdef USE_THREADS
- assert(blockInts == 0);
- blockInts = b;
- #endif
+ /* find initializing method */
+ m = class_findmethod(c,
+ utf_initsystemclass,
+ utf_fidesc);
+
+ if (!m) {
+ /* no method found */
+ /* printf("initializeSystemClass failed"); */
+ return;
+ }
- if (exceptionptr) {
- printf ("#### initializeSystemClass has thrown: ");
- utf_display (exceptionptr->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
- }
- }
+#ifdef USE_THREADS
+ b = blockInts;
+ blockInts = 0;
+#endif
-}
+ asm_calljavafunction(m, NULL, NULL, NULL, NULL);
+#ifdef USE_THREADS
+ assert(blockInts == 0);
+ blockInts = b;
+#endif
+ if (exceptionptr) {
+ printf("#### initializeSystemClass has thrown: ");
+ utf_display(exceptionptr->vftbl->class->name);
+ printf("\n");
+ fflush(stdout);
+ }
+ }
+}
/********* Function: find_class_method_constant *********/
+
int find_class_method_constant (classinfo *c, utf * c1, utf* m1, utf* d1)
{
u4 i;
static int loader_load_running = 0;
-classinfo *loader_load (utf *topname)
+classinfo *loader_load(utf *topname)
{
classinfo *top;
classinfo *c;
- long int starttime=0,stoptime=0;
+ s8 starttime = 0;
+ s8 stoptime = 0;
classinfo *notlinkable;
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ pthread_mutex_lock(&compiler_mutex);
+#endif
/* avoid recursive calls */
if (loader_load_running)
return class_new(topname);
+
loader_load_running++;
- intsDisable(); /* schani */
+ intsDisable();
if (getloadingtime)
starttime = getcputime();
- top = class_new (topname);
+ top = class_new(topname);
/* load classes */
- while ( (c = list_first(&unloadedclasses)) ) {
- if (!class_load (c)) {
- if (linkverbose) dolog("Failed to load class");
- list_remove (&unloadedclasses, c);
- top=NULL;
- }
- }
+ while ((c = list_first(&unloadedclasses))) {
+ if (!class_load(c)) {
+ if (linkverbose)
+ dolog("Failed to load class");
+ list_remove(&unloadedclasses, c);
+ top = NULL;
+ }
+ }
/* link classes */
- if (linkverbose) dolog("Linking...");
+ if (linkverbose)
+ dolog("Linking...");
+
/* XXX added a hack to break infinite linking loops. A better
* linking algorithm would be nice. -Edwin */
notlinkable = NULL;
- while ( (c = list_first(&unlinkedclasses)) ) {
- class_link (c);
+ while ((c = list_first(&unlinkedclasses))) {
+ class_link(c);
if (!c->linked) {
if (!notlinkable)
notlinkable = c;
* no other classes were linked in between, so we are
* caught in a loop.
*/
- if (linkverbose) dolog("Cannot resolve linking dependencies");
- top=NULL;
+ if (linkverbose)
+ dolog("Cannot resolve linking dependencies");
+ top = NULL;
if (!exceptionptr)
- throw_linkageerror2(c->name);
+ throw_linkageerror_message(c->name);
break;
}
- }
- else
+
+ } else
notlinkable = NULL;
- }
- if (linkverbose) dolog("Linking done.");
+ }
+ if (linkverbose)
+ dolog("Linking done.");
if (loader_inited)
loader_compute_subclasses();
/* measure time */
if (getloadingtime) {
stoptime = getcputime();
- loadingtime += (stoptime-starttime);
- }
+ loadingtime += (stoptime - starttime);
+ }
loader_load_running--;
- /* check if a former loader_load call tried to load/link the class and failed.
- This is needed because the class didn't appear in the undloadclasses or unlinkedclasses list during this class; */
+ /* check if a former loader_load call tried to load/link the class and
+ failed. This is needed because the class didn't appear in the
+ undloadclasses or unlinkedclasses list during this class. */
if (top) {
if (!top->loaded) {
if (linkverbose) dolog("Failed to load class (former call)");
- throw_classnotfoundexception2(top->name);
- top=NULL;
- } else if (!top->linked) {
- if (linkverbose) dolog("Failed to link class (former call)");
- throw_linkageerror2(top->name);
- top=NULL;
+ throw_noclassdeffounderror_message(top->name);
+ top = NULL;
+
+ } else if (!top->linked) {
+ if (linkverbose)
+ dolog("Failed to link class (former call)");
+ throw_linkageerror_message(top->name);
+ top = NULL;
}
}
- intsRestore(); /* schani */
+ intsRestore();
+
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ pthread_mutex_unlock(&compiler_mutex);
+#endif
/* XXX DEBUG */ if (linkverbose && !top) dolog("returning NULL from loader_load");
********************************************************************************/
-classinfo *
-class_from_descriptor(char *utf_ptr,char *end_ptr,char **next,int mode)
+classinfo *class_from_descriptor(char *utf_ptr, char *end_ptr,
+ char **next, int mode)
{
char *start = utf_ptr;
bool error = false;
return NULL;
log_plain("Invalid descriptor at beginning of '");
- log_plain_utf(utf_new(start,end_ptr-start));
+ log_plain_utf(utf_new(start, end_ptr-start));
log_plain("'");
log_nl();
panic("Invalid descriptor");
+
+ /* keep compiler happy */
+ return NULL;
}
+
/******************* function: type_from_descriptor ****************************
return the basic type indicated by the given descriptor
********************************************************************************/
-int
-type_from_descriptor(classinfo **cls,char *utf_ptr,char *end_ptr,char **next,int mode)
+int type_from_descriptor(classinfo **cls, char *utf_ptr, char *end_ptr,
+ char **next, int mode)
{
classinfo *mycls;
if (!cls) cls = &mycls;
- *cls = class_from_descriptor(utf_ptr,end_ptr,next,mode & (~CLASSLOAD_NOPANIC));
+ *cls = class_from_descriptor(utf_ptr, end_ptr, next, mode & (~CLASSLOAD_NOPANIC));
switch (*utf_ptr) {
case 'B':
case 'C':
return TYPE_ADDRESS;
}
+
/*************** function: create_pseudo_classes *******************************
create pseudo classes used by the typechecker
********************************************************************************/
-static void
-create_pseudo_classes()
+static void create_pseudo_classes()
{
/* pseudo class for Arraystubs (extends java.lang.Object) */
- pseudo_class_Arraystub = class_new( utf_new_char("$ARRAYSTUB$") );
- list_remove(&unloadedclasses,pseudo_class_Arraystub);
+ pseudo_class_Arraystub = class_new(utf_new_char("$ARRAYSTUB$"));
+ list_remove(&unloadedclasses, pseudo_class_Arraystub);
pseudo_class_Arraystub->super = class_java_lang_Object;
pseudo_class_Arraystub->interfacescount = 2;
- pseudo_class_Arraystub->interfaces = MNEW(classinfo*,2);
- pseudo_class_Arraystub->interfaces[0] =
- class_java_lang_Cloneable;
- pseudo_class_Arraystub->interfaces[1] =
- class_java_io_Serializable;
+ pseudo_class_Arraystub->interfaces = MNEW(classinfo*, 2);
+ pseudo_class_Arraystub->interfaces[0] = class_java_lang_Cloneable;
+ pseudo_class_Arraystub->interfaces[1] = class_java_io_Serializable;
- list_addlast(&unlinkedclasses,pseudo_class_Arraystub);
+ list_addlast(&unlinkedclasses, pseudo_class_Arraystub);
class_link(pseudo_class_Arraystub);
pseudo_class_Arraystub_vftbl = pseudo_class_Arraystub->vftbl;
/* pseudo class representing the null type */
- pseudo_class_Null = class_new( utf_new_char("$NULL$") );
- list_remove(&unloadedclasses,pseudo_class_Null);
+ pseudo_class_Null = class_new(utf_new_char("$NULL$"));
+ list_remove(&unloadedclasses, pseudo_class_Null);
pseudo_class_Null->super = class_java_lang_Object;
- list_addlast(&unlinkedclasses,pseudo_class_Null);
+ list_addlast(&unlinkedclasses, pseudo_class_Null);
class_link(pseudo_class_Null);
/* pseudo class representing new uninitialized objects */
class_link(pseudo_class_New);
}
+
/********************** Function: loader_init **********************************
Initializes all lists and loads all classes required for the system or the
*******************************************************************************/
-void loader_init (u1 * stackbottom)
+void loader_init(u1 * stackbottom)
{
interfaceindex = 0;
-
log_text("Entering loader_init");
-
list_init (&unloadedclasses, OFFSET(classinfo, listnode) );
list_init (&unlinkedclasses, OFFSET(classinfo, listnode) );
utf_clinit = utf_new_char("<clinit>");
utf_initsystemclass = utf_new_char("initializeSystemClass");
utf_systemclass = utf_new_char("java/lang/System");
- utf_vmclassloader =utf_new_char("java/lang/VMClassLoader");
- utf_initialize =utf_new_char("initialize");
- utf_initializedesc =utf_new_char("(I)V");
-
- utf_vmclass =utf_new_char("java/lang/VMClass");
-
- /* create some important classes */
- /* These classes have to be created now because the classinfo
- * pointers are used in the loading code.
- */
- class_java_lang_Object = class_new( utf_new_char ("java/lang/Object") );
- class_java_lang_String = class_new( utf_new_char("java/lang/String") );
- class_java_lang_Cloneable = class_new( utf_new_char ("java/lang/Cloneable") );
- class_java_io_Serializable = class_new( utf_new_char ("java/io/Serializable") );
-
- log_text("loader_init: java/lang/Object");
- /* load the classes which were created above */
- loader_load_sysclass (NULL,class_java_lang_Object->name);
-
- loader_inited=1; /*JOWENN*/
-
- loader_load_sysclass(&class_java_lang_Throwable,
- utf_new_char("java/lang/Throwable") );
-
- log_text("loader_init: loader_load: java/lang/ClassCastException");
- loader_load_sysclass(&class_java_lang_ClassCastException,
- utf_new_char ("java/lang/ClassCastException") );
- loader_load_sysclass(&class_java_lang_NullPointerException,
- utf_new_char ("java/lang/NullPointerException") );
- loader_load_sysclass(&class_java_lang_ArrayIndexOutOfBoundsException,
- utf_new_char ("java/lang/ArrayIndexOutOfBoundsException") );
- loader_load_sysclass(&class_java_lang_NegativeArraySizeException,
- utf_new_char ("java/lang/NegativeArraySizeException") );
- loader_load_sysclass(&class_java_lang_OutOfMemoryError,
- utf_new_char ("java/lang/OutOfMemoryError") );
- loader_load_sysclass(&class_java_lang_ArrayStoreException,
- utf_new_char ("java/lang/ArrayStoreException") );
- loader_load_sysclass(&class_java_lang_ArithmeticException,
- utf_new_char ("java/lang/ArithmeticException") );
- loader_load_sysclass(&class_java_lang_ThreadDeath,
- utf_new_char ("java/lang/ThreadDeath") );/* schani */
+ utf_vmclassloader = utf_new_char("java/lang/VMClassLoader");
+ utf_initialize = utf_new_char("initialize");
+ utf_initializedesc = utf_new_char("(I)V");
+
+ utf_vmclass = utf_new_char("java/lang/VMClass");
+
+ /* create some important classes */
+ /* These classes have to be created now because the classinfo
+ * pointers are used in the loading code.
+ */
+ class_java_lang_Object = class_new(utf_new_char("java/lang/Object"));
+ class_java_lang_String = class_new(utf_new_char("java/lang/String"));
+ class_java_lang_Cloneable = class_new(utf_new_char("java/lang/Cloneable"));
+ class_java_io_Serializable = class_new(utf_new_char("java/io/Serializable"));
+
+ log_text("loader_init: java/lang/Object");
+ /* load the classes which were created above */
+ loader_load_sysclass(NULL, class_java_lang_Object->name);
+
+ loader_inited = 1; /*JOWENN*/
+
+ loader_load_sysclass(&class_java_lang_Throwable,
+ utf_new_char("java/lang/Throwable"));
+
+ log_text("loader_init: loader_load: java/lang/ClassCastException");
+ loader_load_sysclass(&class_java_lang_ClassCastException,
+ utf_new_char ("java/lang/ClassCastException"));
+ loader_load_sysclass(&class_java_lang_NullPointerException,
+ utf_new_char ("java/lang/NullPointerException"));
+ loader_load_sysclass(&class_java_lang_ArrayIndexOutOfBoundsException,
+ utf_new_char ("java/lang/ArrayIndexOutOfBoundsException"));
+ loader_load_sysclass(&class_java_lang_NegativeArraySizeException,
+ utf_new_char ("java/lang/NegativeArraySizeException"));
+ loader_load_sysclass(&class_java_lang_OutOfMemoryError,
+ utf_new_char ("java/lang/OutOfMemoryError"));
+ loader_load_sysclass(&class_java_lang_ArrayStoreException,
+ utf_new_char ("java/lang/ArrayStoreException"));
+ loader_load_sysclass(&class_java_lang_ArithmeticException,
+ utf_new_char ("java/lang/ArithmeticException"));
+ loader_load_sysclass(&class_java_lang_ThreadDeath,
+ utf_new_char ("java/lang/ThreadDeath"));
- /* create classes representing primitive types */
- create_primitive_classes();
+ /* create classes representing primitive types */
+ create_primitive_classes();
+
+ /* create classes used by the typechecker */
+ create_pseudo_classes();
- /* create classes used by the typechecker */
- create_pseudo_classes();
+ /* correct vftbl-entries (retarded loading of class java/lang/String) */
+ stringtable_update();
- /* correct vftbl-entries (retarded loading of class java/lang/String) */
- stringtable_update();
#ifdef USE_THREADS
- if (stackbottom!=0)
- initLocks();
+ if (stackbottom!=0)
+ initLocks();
#endif
+ log_text("loader_init: creating global proto_java_lang_ClassCastException");
+ proto_java_lang_ClassCastException =
+ builtin_new(class_java_lang_ClassCastException);
+/* heap_addreference((void**) &proto_java_lang_ClassCastException); */
+ log_text("loader_init: proto_java_lang_ClassCastException has been initialized");
- log_text("loader_init: creating global proto_java_lang_ClassCastException");
- proto_java_lang_ClassCastException =
- builtin_new(class_java_lang_ClassCastException);
- heap_addreference ( (void**) &proto_java_lang_ClassCastException);
-
- log_text("loader_init: proto_java_lang_ClassCastException has been initialized");
+ proto_java_lang_NullPointerException =
+ builtin_new(class_java_lang_NullPointerException);
+/* heap_addreference((void**) &proto_java_lang_NullPointerException); */
+ log_text("loader_init: proto_java_lang_NullPointerException has been initialized");
- proto_java_lang_NullPointerException =
- builtin_new(class_java_lang_NullPointerException);
- heap_addreference ( (void**) &proto_java_lang_NullPointerException);
- log_text("loader_init: proto_java_lang_NullPointerException has been initialized");
+ proto_java_lang_ArrayIndexOutOfBoundsException =
+ builtin_new(class_java_lang_ArrayIndexOutOfBoundsException);
+/* heap_addreference((void**) &proto_java_lang_ArrayIndexOutOfBoundsException); */
- proto_java_lang_ArrayIndexOutOfBoundsException =
- builtin_new(class_java_lang_ArrayIndexOutOfBoundsException);
- heap_addreference ( (void**) &proto_java_lang_ArrayIndexOutOfBoundsException);
+ proto_java_lang_NegativeArraySizeException =
+ builtin_new(class_java_lang_NegativeArraySizeException);
+/* heap_addreference((void**) &proto_java_lang_NegativeArraySizeException); */
- proto_java_lang_NegativeArraySizeException =
- builtin_new(class_java_lang_NegativeArraySizeException);
- heap_addreference ( (void**) &proto_java_lang_NegativeArraySizeException);
+ proto_java_lang_OutOfMemoryError =
+ builtin_new(class_java_lang_OutOfMemoryError);
+/* heap_addreference((void**) &proto_java_lang_OutOfMemoryError); */
- proto_java_lang_OutOfMemoryError =
- builtin_new(class_java_lang_OutOfMemoryError);
- heap_addreference ( (void**) &proto_java_lang_OutOfMemoryError);
+ proto_java_lang_ArithmeticException =
+ builtin_new(class_java_lang_ArithmeticException);
+/* heap_addreference((void**) &proto_java_lang_ArithmeticException); */
- proto_java_lang_ArithmeticException =
- builtin_new(class_java_lang_ArithmeticException);
- heap_addreference ( (void**) &proto_java_lang_ArithmeticException);
+ proto_java_lang_ArrayStoreException =
+ builtin_new(class_java_lang_ArrayStoreException);
+/* heap_addreference((void**) &proto_java_lang_ArrayStoreException); */
- proto_java_lang_ArrayStoreException =
- builtin_new(class_java_lang_ArrayStoreException);
- heap_addreference ( (void**) &proto_java_lang_ArrayStoreException);
-
- proto_java_lang_ThreadDeath = /* schani */
- builtin_new(class_java_lang_ThreadDeath);
- heap_addreference ( (void**) &proto_java_lang_ThreadDeath);
-
- loader_inited = 1;
+ proto_java_lang_ThreadDeath = /* schani */
+ builtin_new(class_java_lang_ThreadDeath);
+/* heap_addreference((void**) &proto_java_lang_ThreadDeath); */
+ loader_inited = 1;
}
-
-
/********************* Function: loader_initclasses ****************************
Initializes all loaded but uninitialized classes
{
classinfo *c;
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ pthread_mutex_lock(&compiler_mutex);
+#endif
+
intsDisable(); /* schani */
if (makeinitializations) {
}
intsRestore(); /* schani */
+
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ pthread_mutex_unlock(&compiler_mutex);
+#endif
}
static s4 classvalue;
-static void loader_compute_class_values (classinfo *c)
+static void loader_compute_class_values(classinfo *c)
{
classinfo *subs;
while (subs != NULL) {
loader_compute_class_values(subs);
subs = subs->nextsub;
- }
+ }
c->vftbl->diffval = classvalue - c->vftbl->baseval;
/*
printf("\n");
}
*/
-
}
-void loader_compute_subclasses ()
+void loader_compute_subclasses()
{
classinfo *c;
intsDisable(); /* schani */
- c = list_first (&linkedclasses);
+ c = list_first(&linkedclasses);
while (c) {
if (!(c->flags & ACC_INTERFACE)) {
c->nextsub = 0;
c->sub = 0;
- }
- c = list_next (&linkedclasses, c);
}
+ c = list_next (&linkedclasses, c);
+ }
c = list_first (&linkedclasses);
while (c) {
if (!(c->flags & ACC_INTERFACE) && (c->super != NULL)) {
c->nextsub = c->super->sub;
c->super->sub = c;
- }
- c = list_next (&linkedclasses, c);
}
+ c = list_next (&linkedclasses, c);
+ }
+
classvalue = 0;
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ cast_lock();
+#endif
loader_compute_class_values(class_java_lang_Object);
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ cast_unlock();
+#endif
intsRestore(); /* schani */
}
-
/******************** function classloader_buffer ******************************
sets buffer for reading classdata
void classload_buffer(u1 *buf, int len)
{
- classbuffer = buf;
- classbuffer_size = len;
- classbuf_pos = buf - 1;
+ classbuffer = buf;
+ classbuffer_size = len;
+ classbuf_pos = buf - 1;
}
*******************************************************************************/
-void loader_close ()
+void loader_close()
{
classinfo *c;
- while ( (c=list_first(&unloadedclasses)) ) {
- list_remove (&unloadedclasses,c);
- class_free (c);
- }
- while ( (c=list_first(&unlinkedclasses)) ) {
- list_remove (&unlinkedclasses,c);
- class_free (c);
- }
- while ( (c=list_first(&linkedclasses)) ) {
- list_remove (&linkedclasses,c);
- class_free (c);
- }
+ while ((c = list_first(&unloadedclasses))) {
+ list_remove(&unloadedclasses, c);
+ class_free(c);
+ }
+ while ((c = list_first(&unlinkedclasses))) {
+ list_remove(&unlinkedclasses, c);
+ class_free(c);
+ }
+ while ((c = list_first(&linkedclasses))) {
+ list_remove(&linkedclasses, c);
+ class_free(c);
+ }
}