-/* headers.c *******************************************************************
+/* src/cacaoh/headers.c - functions for header generation
- Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
+ Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+ C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+ E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+ J. Wenninger, Institut f. Computersprachen - TU Wien
- See file COPYRIGHT for information on usage and disclaimer of warranties
+ This file is part of CACAO.
- This module replaces 'main' for header file generation. It also fakes some
- references to external modules which would otherwise depend on the header
- files generated by this very program.
+ 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.
- This module is quite a quick hack and not documented very well as a
- consequence.
+ 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.
- Authors: Reinhard Grafl EMAIL: cacao@complang.tuwien.ac.at
- Changes: Mark Probst EMAIL: cacao@complang.tuwien.ac.at
- Philipp Tomsich EMAIL: cacao@complang.tuwien.ac.at
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Last Change: $Id: headers.c 542 2003-10-30 20:58:18Z twisti $
+ Contact: cacao@cacaojvm.org
-*******************************************************************************/
+ Authors: Reinhard Grafl
-#define CACAOH
+ Changes: Mark Probst
+ Philipp Tomsich
+ Christian Thalinger
-#include "config.h" /* phil */
-#include "global.h"
-#include "tables.h"
-#include "loader.h"
+ $Id: headers.c 4559 2006-03-05 23:24:50Z twisti $
+*/
-/******* replace some external functions *********/
-
-functionptr native_findfunction (utf *cname, utf *mname, utf *desc, bool isstatic)
-{ return NULL; }
-java_objectheader *javastring_new (utf *text) /* schani */
+#include <assert.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "config.h"
+#include "vm/types.h"
+
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+# if defined(__DARWIN__)
+# include <signal.h>
+# endif
+# include <ucontext.h>
+#endif
+
+#include "mm/boehm.h"
+#include "mm/memory.h"
+#include "native/include/java_lang_String.h"
+#include "native/include/java_lang_Throwable.h"
+#include "toolbox/chain.h"
+#include "toolbox/logging.h"
+#include "vm/builtin.h"
+#include "vm/class.h"
+#include "vm/global.h"
+#include "vm/method.h"
+#include "vm/loader.h"
+#include "vm/options.h"
+#include "vm/stringlocal.h"
+#include "vm/jit/asmpart.h"
+
+
+#if defined(ENABLE_INTRP)
+/* dummy interpreter stack to keep the compiler happy */
+
+u1 intrp_main_stack[1];
+#endif
+
+
+/* for raising exceptions from native methods *********************************/
+
+#if !defined(USE_THREADS) || !defined(NATIVE_THREADS)
+java_objectheader *_no_threads_exceptionptr = NULL;
+#endif
+
+
+/* replace some non-vmcore functions ******************************************/
+
+functionptr native_findfunction(utf *cname, utf *mname, utf *desc,
+ bool isstatic)
+{
+ /* return something different than NULL, otherwise we get an exception */
+
+ return (functionptr) 1;
+}
+
+java_objectheader *native_new_and_init(classinfo *c) { return NULL; }
+java_objectheader *native_new_and_init_string(classinfo *c, java_lang_String *s) { return NULL; }
+java_objectheader *native_new_and_init_int(classinfo *c, s4 i) { return NULL; }
+java_objectheader *native_new_and_init_throwable(classinfo *c, java_lang_Throwable *t) { return NULL; }
+
+
+java_objectheader *vm_call_method(methodinfo *m, java_objectheader *o, ...)
{ return NULL; }
-void throw_classnotfoundexception()
-{
- panic("class not found");
+
+/* code patching functions */
+void patcher_builtin_arraycheckcast(u1 *sp) {}
+
+#if defined(__MIPS__)
+long compare_and_swap(long *p, long oldval, long newval)
+{
+ if (*p == oldval) {
+ *p = newval;
+ return oldval;
+ } else
+ return *p;
}
+#endif
+
-java_objectheader *literalstring_new (utf *u)
-{ return NULL; }
+u1 *createcompilerstub(methodinfo *m) { return NULL; }
+#if defined(ENABLE_INTRP)
+u1 *intrp_createcompilerstub(methodinfo *m) { return NULL; }
+#endif
+
+u1 *codegen_createnativestub(functionptr f, methodinfo *m) { return NULL; }
-void literalstring_free (java_objectheader *o) { }
-void stringtable_update () { }
-void synchronize_caches() { }
-void asm_call_jit_compiler () { }
-void asm_calljavamethod () { }
-void asm_dumpregistersandcall () { }
-s4 asm_builtin_checkcast(java_objectheader *obj, classinfo *class) { return 0; }
+void removecompilerstub(u1 *stub) {}
+void removenativestub(u1 *stub) {}
-s4 asm_builtin_idiv (s4 a, s4 b) {return 0;}
-s4 asm_builtin_irem (s4 a, s4 b) {return 0;}
-s8 asm_builtin_ldiv (s8 a, s8 b) {return 0;}
-s8 asm_builtin_lrem (s8 a, s8 b) {return 0;}
+void asm_perform_threadswitch(u1 **from, u1 **to, u1 **stackTop) {}
+u1* asm_initialize_thread_stack(void *func, u1 *stack) { return NULL; }
-s4 asm_builtin_f2i (float a) { return 0; }
-s8 asm_builtin_f2l (float a) { return 0; }
-s4 asm_builtin_d2i (double a) { return 0; }
-s8 asm_builtin_d2l (double a) { return 0; }
+void *asm_switchstackandcall(void *stack, void *func, void **stacktopsave, void * p) { return NULL; }
-void asm_builtin_monitorenter (java_objectheader *o) {}
-void asm_builtin_monitorexit (java_objectheader *o) {}
+void asm_handle_builtin_exception(classinfo *c) {}
-s4 asm_builtin_checkarraycast(java_objectheader *o, constant_arraydescriptor *d) {return 0;}
-#if defined(__I386__)
-s4 asm_builtin_arrayinstanceof(java_objectheader *obj, classinfo *class) { return 0; }
-void asm_builtin_anewarray (s4 size, classinfo *elementtype) {}
-void asm_builtin_newarray_array (s4 size, constant_arraydescriptor *elementdesc) {}
+#if defined(ENABLE_JIT)
+void asm_getclassvalues_atomic(vftbl_t *super, vftbl_t *sub, castinfo *out) {}
#endif
-void asm_builtin_aastore (java_objectarray *a, s4 index, java_objectheader *o) {}
-u1 *createcompilerstub (methodinfo *m) {return NULL;}
-u1 *createnativestub (functionptr f, methodinfo *m) {return NULL;}
-u1 *oldcreatenativestub (functionptr f, methodinfo *m) {return NULL;}
+#if defined(ENABLE_INTRP)
+void intrp_asm_getclassvalues_atomic(vftbl_t *super, vftbl_t *sub, castinfo *out) {}
+#endif
-void removecompilerstub (u1 *stub) {}
-void removenativestub (u1 *stub) {}
-void asm_perform_threadswitch (u1 **from, u1 **to) {}
-u1* asm_initialize_thread_stack (void *func, u1 *stack) { return NULL; }
-void asm_switchstackandcall () { }
+void *Java_java_lang_VMObject_clone(void *env, void *clazz, void * this)
+{
+ return NULL;
+}
-java_objectheader *native_new_and_init (void *p) { return NULL; }
+typecheck_result typeinfo_is_assignable_to_class(typeinfo *value,classref_or_classinfo dest)
+{
+ return typecheck_TRUE;
+}
-/************************ global variables **********************/
+void typeinfo_init_classinfo(typeinfo *info,classinfo *c)
+{
+}
+
+bool typeinfo_init_class(typeinfo *info,classref_or_classinfo c)
+{
+ return true;
+}
+
+void typeinfo_print(FILE *file,typeinfo *info,int indent) {}
+
+void exceptions_print_exception(java_objectheader *xptr) {}
+void stacktrace_print_trace(java_objectheader *xptr) {}
+
+
+/* exception functions ********************************************************/
+
+/* these should not be called */
+
+void throw_main_exception_exit(void) { assert(0); }
+void throw_exception(void) { assert(0); }
+void throw_exception_exit(void) { assert(0); }
+
+java_objectheader *new_verifyerror(methodinfo *m, const char *message)
+{
+ assert(0);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+java_objectheader *new_exception_throwable(const char *classname, java_lang_Throwable *throwable)
+{
+ assert(0);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+void throw_cacao_exception_exit(const char *exception, const char *message, ...)
+{
+ va_list ap;
+
+ fprintf(stderr, "%s: ", exception);
+
+ va_start(ap, message);
+ vfprintf(stderr, message, ap);
+ va_end(ap);
+
+ fputc('\n', stderr);
+
+ exit(1);
+}
+
+
+void exceptions_throw_outofmemory_exit(void)
+{
+ fprintf(stderr, "java.lang.InternalError: Out of memory\n");
+ exit(1);
+}
+
+
+java_objectheader *new_exception(const char *classname)
+{
+ fprintf(stderr, "%s\n", classname);
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+java_objectheader *new_exception_message(const char *classname, const char *message)
+{
+ fprintf(stderr, "%s: %s\n", classname, message);
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+java_objectheader *new_exception_utfmessage(const char *classname, utf *message)
+{
+ fprintf(stderr, "%s: ", classname);
+ utf_display(message);
+ fputc('\n', stderr);
+
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+java_objectheader *new_exception_javastring(const char *classname,
+ java_lang_String *message)
+{
+ fprintf(stderr, "%s: ", classname);
+ /* TODO print message */
+ fputc('\n', stderr);
+
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+java_objectheader *new_classformaterror(classinfo *c, const char *message, ...)
+{
+ va_list ap;
+
+ utf_display(c->name);
+ fprintf(stderr, ": ");
+
+ va_start(ap, message);
+ vfprintf(stderr, message, ap);
+ va_end(ap);
+
+ fputc('\n', stderr);
+
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+void exceptions_throw_classformaterror(classinfo *c, const char *message, ...)
+{
+ va_list ap;
+
+ va_start(ap, message);
+ (void) new_classformaterror(c, message, ap);
+ va_end(ap);
+}
+
+
+java_objectheader *new_classnotfoundexception(utf *name)
+{
+ fprintf(stderr, "java.lang.ClassNotFoundException: ");
+ utf_fprint(stderr, name);
+ fputc('\n', stderr);
+
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+java_objectheader *new_noclassdeffounderror(utf *name)
+{
+ fprintf(stderr, "java.lang.NoClassDefFoundError: ");
+ utf_fprint(stderr, name);
+ fputc('\n', stderr);
+
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+java_objectheader *exceptions_new_linkageerror(const char *message,
+ classinfo *c)
+{
+ fprintf(stderr, "java.lang.LinkageError: %s",message);
+ if (c) {
+ utf_fprint_classname(stderr, c->name);
+ }
+ fputc('\n', stderr);
+
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+java_objectheader *exceptions_new_nosuchmethoderror(classinfo *c,
+ utf *name, utf *desc)
+{
+ fprintf(stderr, "java.lang.NoSuchMethodError: ");
+ utf_fprint(stderr, c->name);
+ fprintf(stderr, ".");
+ utf_fprint(stderr, name);
+ utf_fprint(stderr, desc);
+ fputc('\n', stderr);
+
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+java_objectheader *new_internalerror(const char *message, ...)
+{
+ va_list ap;
+
+ fprintf(stderr, "%s: ", string_java_lang_InternalError);
+
+ va_start(ap, message);
+ vfprintf(stderr, message, ap);
+ va_end(ap);
+
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+java_objectheader *new_unsupportedclassversionerror(classinfo *c, const char *message, ...)
+{
+ va_list ap;
+
+ fprintf(stderr, "%s: ", string_java_lang_UnsupportedClassVersionError);
+
+ utf_display(c->name);
+ fprintf(stderr, ": ");
+
+ va_start(ap, message);
+ vfprintf(stderr, message, ap);
+ va_end(ap);
+
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+java_objectheader *new_illegalmonitorstateexception(void)
+{
+ fprintf(stderr, "%s", string_java_lang_IllegalMonitorStateException);
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+java_objectheader *new_negativearraysizeexception(void)
+{
+ fprintf(stderr, "%s", string_java_lang_NegativeArraySizeException);
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
-java_objectheader *exceptionptr; /* schani */
-bool verbose = false;
-static chain *nativemethod_chain; /* chain with native methods */
-static chain *nativeclass_chain; /* chain with processed classes */
-static chain *ident_chain; /* chain with method and field names in current class */
-static FILE *file = NULL;
+void exceptions_throw_negativearraysizeexception(void)
+{
+ (void) new_negativearraysizeexception();
+}
+
+
+java_objectheader *new_nullpointerexception(void)
+{
+ fprintf(stderr, "%s", string_java_lang_NullPointerException);
+ exit(1);
+
+ /* keep compiler happy */
+
+ return NULL;
+}
+
+
+void exceptions_throw_nullpointerexception(void)
+{
+ (void) new_nullpointerexception();
+}
+
+
+void classnotfoundexception_to_noclassdeffounderror(void)
+{
+}
+
+/* machine dependent stuff ****************************************************/
+
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+threadcritnode asm_criticalsections;
+void thread_restartcriticalsection(ucontext_t *uc) {}
+#endif
+
+void md_param_alloc(methoddesc *md) {}
+
+
+#if defined(ENABLE_INTRP)
+void print_dynamic_super_statistics(void) {}
+#endif
+
+
+/************************ global variables **********************/
+
+chain *ident_chain; /* chain with method and field names in current class */
+FILE *file = NULL;
static u4 outputsize;
static bool dopadding;
-static void printIDpart (int c)
-{
- if ( (c>='a' && c<='z')
- || (c>='A' && c<='Z')
- || (c>='0' && c<='9')
- || (c=='_') )
- putc (c,file);
- else putc ('_',file);
+static void printIDpart(int c)
+{
+ if ((c >= 'a' && c <= 'z') ||
+ (c >= 'A' && c <= 'Z') ||
+ (c >= '0' && c <= '9') ||
+ (c == '_'))
+ putc(c, file);
+ else
+ putc('_', file);
}
-static void printID (utf *u)
+
+void printID(utf *u)
{
char *utf_ptr = u->text;
int i;
- for (i=0; i<utf_strlen(u); i++)
- printIDpart (utf_nextu2(&utf_ptr));
+ for (i = 0; i < utf_strlen(u); i++)
+ printIDpart(utf_nextu2(&utf_ptr));
}
+
static void addoutputsize (int len)
{
u4 newsize,i;
if (!dopadding) return;
- newsize = ALIGN (outputsize, len);
+ newsize = ALIGN(outputsize, len);
- for (i=outputsize; i<newsize; i++) fprintf (file, " u1 pad%d\n",(int) i);
+ for (i = outputsize; i < newsize; i++) fprintf(file, " u1 pad%d\n", (int) i);
outputsize = newsize;
}
-static char *printtype (char *utf_ptr)
+void printOverloadPart(utf *desc)
{
+ char *utf_ptr=desc->text;
u2 c;
- switch (utf_nextu2(&utf_ptr)) {
- case 'V': fprintf (file, "void");
- break;
+ fprintf(file, "__");
+
+ while ((c = utf_nextu2(&utf_ptr)) != ')') {
+ switch (c) {
case 'I':
case 'S':
case 'B':
case 'C':
- case 'Z': addoutputsize (4);
- fprintf (file, "s4");
- break;
- case 'J': addoutputsize (8);
- fprintf (file, "s8");
- break;
- case 'F': addoutputsize (4);
- fprintf (file, "float");
- break;
- case 'D': addoutputsize (8);
- fprintf (file, "double");
- break;
+ case 'Z':
+ case 'J':
+ case 'F':
+ case 'D':
+ fprintf(file, "%c", (char) c);
+ break;
case '[':
- addoutputsize ( sizeof(java_arrayheader*) );
- switch (utf_nextu2(&utf_ptr)) {
- case 'I': fprintf (file, "java_intarray*"); break;
- case 'J': fprintf (file, "java_longarray*"); break;
- case 'Z': fprintf (file, "java_booleanarray*"); break;
- case 'B': fprintf (file, "java_bytearray*"); break;
- case 'S': fprintf (file, "java_shortarray*"); break;
- case 'C': fprintf (file, "java_chararray*"); break;
- case 'F': fprintf (file, "java_floatarray*"); break;
- case 'D': fprintf (file, "java_doublearray*"); break;
+ fprintf(file, "_3");
+ break;
+ case 'L':
+ putc('L', file);
+ while ((c = utf_nextu2(&utf_ptr)) != ';')
+ printIDpart(c);
+ fprintf(file, "_2");
+ break;
+ case '(':
+ break;
+ default:
+ log_text("invalid method descriptor");
+ assert(0);
+ }
+ }
+}
+
+static char *printtype(char *utf_ptr)
+{
+ u2 c;
+
+ switch (utf_nextu2(&utf_ptr)) {
+ case 'V': fprintf (file, "void");
+ break;
+ case 'I':
+ case 'S':
+ case 'B':
+ case 'C':
+ case 'Z': addoutputsize (4);
+ fprintf (file, "s4");
+ break;
+ case 'J': addoutputsize (8);
+ fprintf (file, "s8");
+ break;
+ case 'F': addoutputsize (4);
+ fprintf (file, "float");
+ break;
+ case 'D': addoutputsize (8);
+ fprintf (file, "double");
+ break;
+ case '[':
+ addoutputsize ( sizeof(java_arrayheader*) );
+ switch (utf_nextu2(&utf_ptr)) {
+ case 'I': fprintf (file, "java_intarray*"); break;
+ case 'J': fprintf (file, "java_longarray*"); break;
+ case 'Z': fprintf (file, "java_booleanarray*"); break;
+ case 'B': fprintf (file, "java_bytearray*"); break;
+ case 'S': fprintf (file, "java_shortarray*"); break;
+ case 'C': fprintf (file, "java_chararray*"); break;
+ case 'F': fprintf (file, "java_floatarray*"); break;
+ case 'D': fprintf (file, "java_doublearray*"); break;
- case '[': fprintf (file, "java_arrayarray*");
- while ((c = utf_nextu2(&utf_ptr)) == '[') ;
- if (c=='L')
- while (utf_nextu2(&utf_ptr) != ';');
- break;
+ case '[': fprintf(file, "java_objectarray*");
+ while ((c = utf_nextu2(&utf_ptr)) == '[');
+ if (c == 'L')
+ while (utf_nextu2(&utf_ptr) != ';');
+ break;
- case 'L': fprintf (file, "java_objectarray*");
- while ( utf_nextu2(&utf_ptr) != ';');
- break;
- default: panic ("invalid type descriptor");
- }
+ case 'L': fprintf(file, "java_objectarray*");
+ while (utf_nextu2(&utf_ptr) != ';');
break;
+ default:
+ log_text("invalid type descriptor");
+ assert(0);
+ }
+ break;
- case 'L':
- addoutputsize ( sizeof(java_objectheader*));
- fprintf (file, "struct ");
- while ( (c = utf_nextu2(&utf_ptr)) != ';' ) printIDpart (c);
- fprintf (file, "*");
- break;
+ case 'L':
+ addoutputsize ( sizeof(java_objectheader*));
+ fprintf (file, "struct ");
+ while ( (c = utf_nextu2(&utf_ptr)) != ';' ) printIDpart (c);
+ fprintf (file, "*");
+ break;
- default: panic ("Unknown type in field descriptor");
+ default:
+ log_text("Unknown type in field descriptor");
+ assert(0);
}
return utf_ptr;
}
-/******* determine the number of entries of a utf string in the ident chain *****/
+
+/***** determine the number of entries of a utf string in the ident chain *****/
static int searchidentchain_utf(utf *ident)
{
return count;
}
-/**************** print structure for direct access to objects ******************/
-static void printfields (classinfo *c)
+/************** print structure for direct access to objects ******************/
+
+static void printfields(classinfo *c)
{
u4 i;
fieldinfo *f;
int ident_count;
if (!c) {
- addoutputsize ( sizeof(java_objectheader) );
- fprintf (file, " java_objectheader header;\n");
+ addoutputsize(sizeof(java_objectheader));
+ fprintf(file, " java_objectheader header;\n");
return;
- }
+ }
- printfields (c->super);
+ printfields(c->super.cls);
- for (i=0; i<c->fieldscount; i++) {
+ for (i = 0; i < c->fieldscount; i++) {
f = &(c->fields[i]);
- if (! (f->flags & ACC_STATIC) ) {
- fprintf (file," ");
- printtype (f->descriptor->text);
- fprintf (file, " ");
- utf_fprint (file, f->name);
+ if (!(f->flags & ACC_STATIC)) {
+ fprintf(file, " ");
+ printtype(f->descriptor->text);
+ fprintf(file, " ");
+ utf_fprint(file, f->name);
/* rename multiple fieldnames */
if ((ident_count = searchidentchain_utf(f->name)))
- fprintf(file,"%d",ident_count - 1);
- chain_addlast(ident_chain,f->name);
+ fprintf(file, "%d", ident_count - 1);
+ chain_addlast(ident_chain, f->name);
- fprintf (file, ";\n");
- }
+ fprintf(file, ";\n");
}
+ }
}
+
/***************** store prototype for native method in file ******************/
-static void printmethod (methodinfo *m)
+void printmethod(methodinfo *m)
{
char *utf_ptr;
- u2 paramnum=1;
- u2 ident_count;
+ u2 paramnum = 1;
/* search for return-type in descriptor */
utf_ptr = m->descriptor->text;
while (utf_nextu2(&utf_ptr) != ')');
/* create remarks */
- fprintf (file,"/*\n * Class: ");
- utf_fprint (file, m->class->name);
- fprintf (file,"\n * Method: ");
- utf_fprint (file, m->name);
- fprintf (file,"\n * Signature: ");
- utf_fprint (file, m->descriptor);
- fprintf (file,"\n */\n");
+ fprintf(file, "\n/*\n * Class: ");
+ utf_fprint(file, m->class->name);
+ fprintf(file, "\n * Method: ");
+ utf_fprint(file, m->name);
+ fprintf(file, "\n * Signature: ");
+ utf_fprint(file, m->descriptor);
+ fprintf(file, "\n */\n");
/* create prototype */
- fprintf (file,"JNIEXPORT ");
- printtype (utf_ptr);
- fprintf (file," JNICALL Java_");
- printID (m->class->name);
-
- /* rename overloaded method */
- if ((ident_count = searchidentchain_utf(m->name)))
- fprintf(file,"%d",ident_count - 1);
- chain_addlast(ident_chain,m->name);
-
- fprintf (file,"_");
- printID (m->name);
- fprintf (file," (JNIEnv *env ");
+ fprintf(file, "JNIEXPORT ");
+ printtype(utf_ptr);
+ fprintf(file, " JNICALL Java_");
+ printID(m->class->name);
+
+ chain_addlast(ident_chain, m->name);
+
+ fprintf(file, "_");
+ printID(m->name);
+
+ /* ATTENTION: We use the methodinfo's isleafmethod variable as
+ nativelyoverloaded, so we can save some space during
+ runtime. */
+
+ if (m->isleafmethod)
+ printOverloadPart(m->descriptor);
+
+ fprintf(file, "(JNIEnv *env");
- utf_ptr = m->descriptor->text+1;
+ utf_ptr = m->descriptor->text + 1;
- if (! (m->flags & ACC_STATIC) ) {
-
- fprintf (file, ", struct ");
- printID (m->class->name);
- fprintf (file, "* this ");
+ if (!(m->flags & ACC_STATIC)) {
+ fprintf(file, ", struct ");
+ printID(m->class->name);
+ fprintf(file, "* this");
- };
+ } else {
+ fprintf(file, ", jclass clazz");
+ }
- if ((*utf_ptr)!=')') fprintf (file, ", ");
+ if ((*utf_ptr) != ')') fprintf(file, ", ");
- while ((*utf_ptr)!=')') {
- utf_ptr = printtype (utf_ptr);
- fprintf (file, " par%d", paramnum++);
- if ((*utf_ptr)!=')') fprintf (file, ", ");
- }
+ while ((*utf_ptr) != ')') {
+ utf_ptr = printtype(utf_ptr);
+ fprintf(file, " par%d", paramnum++);
+ if ((*utf_ptr)!=')') fprintf(file, ", ");
+ }
- fprintf (file, ");\n");
+ fprintf(file, ");\n\n");
}
-/****************** remove package-name in fully-qualified classname *********************/
+/******* remove package-name in fully-qualified classname *********************/
-static void simple_classname(char *buffer, utf *u)
+void gen_header_filename(char *buffer, utf *u)
{
- int i, simplename_start;
-
- for (i=utf_strlen(u)-1; i>=0; i--) {
-
- if (u->text[i] == '$') u->text[i] = '_'; else /* convert '$' to '_' */
- if (u->text[i] == '/') {
- /* beginning of simple name */
- simplename_start = i+1;
- break;
+ s4 i;
+
+ for (i = 0; i < utf_strlen(u); i++) {
+ if ((u->text[i] == '/') || (u->text[i] == '$')) {
+ buffer[i] = '_'; /* convert '$' and '/' to '_' */
+
+ } else {
+ buffer[i] = u->text[i];
+ }
}
- }
-
- for (i=simplename_start; i < utf_strlen(u); i++)
- buffer[i-simplename_start] = u->text[i];
-
- buffer[i-simplename_start] = '\0';
+ buffer[utf_strlen(u)] = '\0';
}
-/*********** create headerfile for classes and store native methods in chain ************/
-static void headerfile_generate (classinfo *c)
+/* create headerfile for classes and store native methods in chain ************/
+
+void headerfile_generate(classinfo *c, char *opt_directory)
{
char header_filename[1024] = "";
char classname[1024];
+ char uclassname[1024];
u2 i;
methodinfo *m;
-
- /* store class in chain */
- chain_addlast (nativeclass_chain, c);
-
- /* open headerfile for class */
- simple_classname(classname,c->name);
-
- /* create chain for renaming fields */
- ident_chain = chain_new ();
-
- sprintf(header_filename, "nat/%s.h", classname);
- file = fopen (header_filename, "w");
- if (!file) panic ("Can not open file to store header information");
- fprintf (file, "/* This file is machine generated, don't edit it !*/\n\n");
-
- /* create structure for direct access to objects */
- fprintf (file, "/* Structure information for class: ");
- utf_fprint (file, c->name);
- fprintf (file, " */\n\n");
- fprintf (file, "typedef struct ");
- printID (c->name);
- fprintf (file, " {\n");
- outputsize=0;
- dopadding=true;
- printfields (c);
- fprintf (file, "} ");
- printID (c->name);
- fprintf (file, ";\n\n");
+ u2 j;
+ methodinfo *m2;
+ bool nativelyoverloaded;
- /* create chain for renaming overloaded methods */
- chain_free(ident_chain);
- ident_chain = chain_new ();
+ /* prevent compiler warnings */
- /* create method-prototypes */
-
- for (i=0; i<c->methodscount; i++) {
-
- m = &(c->methods[i]);
-
- if (m->flags & ACC_NATIVE) {
- chain_addlast (nativemethod_chain, m);
- printmethod(m);
- }
- }
-
+ nativelyoverloaded = false;
- chain_free(ident_chain);
- fclose(file);
-}
-
-/******** print classname, '$' used to seperate inner-class name ***********/
+ /* open headerfile for class */
+ gen_header_filename(classname, c->name);
-void print_classname (classinfo *clazz)
-{
- utf *u = clazz->name;
- char *endpos = u->text + u->blength;
- char *utf_ptr = u->text;
- u2 c;
+ /* create chain for renaming fields */
+ ident_chain = chain_new();
+
+ if (opt_directory) {
+ sprintf(header_filename, "%s/%s.h", opt_directory, classname);
- while (utf_ptr<endpos) {
- if ((c=utf_nextu2(&utf_ptr)) == '_')
- putc ('$',file);
- else
- putc (c,file);
+ } else {
+ sprintf(header_filename, "%s.h", classname);
}
-}
-
-
-/*************** create table for locating native functions ****************/
-
-static void printnativetableentry (methodinfo *m)
-{
- fprintf (file, " { \"");
- print_classname(m->class);
- fprintf (file, "\",\n \"");
- utf_fprint (file, m->name);
- fprintf (file, "\",\n \"");
- utf_fprint (file, m->descriptor);
- fprintf (file, "\",\n ");
- if ( (m->flags & ACC_STATIC) !=0) fprintf (file, "true");
- else fprintf (file, "false");
- fprintf (file, ",\n ");
- fprintf (file, "(functionptr) Java_");
- printID (m->class->name);
- fprintf (file,"_");
- printID (m->name);
- fprintf (file,"\n },\n");
-}
-
-/***************************************************************************
-
- create the nativetypes-headerfile which includes
- the headerfiles of the classes stored in the classes-chain
-
-****************************************************************************/
-
-static void headers_finish ()
-{
- methodinfo *m;
- classinfo *c;
- char classname[1024];
-
- file = fopen ("nativetypes.hh", "w");
- if (!file) panic ("Can not open file 'native.h' to store header information");
-
- fprintf (file, "/* Headerfile for native methods: nativetypes.hh */\n");
- fprintf (file, "/* This file is machine generated, don't edit it !*/\n\n");
- fprintf (file, "\n/* include native-Headerfiles */\n\n");
-
- c = chain_first (nativeclass_chain);
- while (c) {
-
- dopadding=false;
- simple_classname(classname,c->name);
- fprintf(file,"#include \"nat/%s.h\"\n",classname);
- c = chain_next (nativeclass_chain);
+ file = fopen(header_filename, "w");
+ if (!file) {
+ log_text("Can not open file to store header information");
+ assert(0);
}
- fclose(file);
- chain_free (nativeclass_chain);
-
- /* create table of native-methods */
-
- file = fopen ("nativetable.hh", "w");
- if (!file) panic ("Can not open file 'nativetable' to store native-link-table");
+ fprintf(file, "/* This file is machine generated, don't edit it! */\n\n");
- fprintf (file, "/* Table of native methods: nativetables.hh */\n");
- fprintf (file, "/* This file is machine generated, don't edit it !*/\n\n");
-
- while ( (m = chain_first (nativemethod_chain)) != NULL) {
- chain_remove (nativemethod_chain);
- printnativetableentry (m);
+ /* convert to uppercase */
+ for (i = 0; classname[i]; i++) {
+ uclassname[i] = toupper(classname[i]);
}
-
- chain_free (nativemethod_chain);
- fclose (file);
+ uclassname[i] = '\0';
-}
+ fprintf(file, "#ifndef _%s_H\n#define _%s_H\n\n", uclassname, uclassname);
+ /* create structure for direct access to objects */
+ fprintf(file, "/* Structure information for class: ");
+ utf_fprint(file, c->name);
+ fprintf(file, " */\n\n");
+ fprintf(file, "typedef struct ");
+ printID(c->name);
+ fprintf(file, " {\n");
+ outputsize = 0;
+ dopadding = true;
-/******************** internal function: print_usage ************************
+ printfields(c);
-Prints usage information for the JAVA header generator to stdout.
+ fprintf(file, "} ");
+ printID(c->name);
+ fprintf(file, ";\n\n");
-***************************************************************************/
+ /* create chain for renaming overloaded methods */
+ chain_free(ident_chain);
+ ident_chain = chain_new();
-static void print_usage()
-{
- printf ("USAGE: jch class [class..]\n");
-}
+ /* create method-prototypes */
+
+ /* find overloaded methods */
+ for (i = 0; i < c->methodscount; i++) {
+ m = &(c->methods[i]);
+ if (!(m->flags & ACC_NATIVE))
+ continue;
-/************************** Function: main *******************************
+ /* We use the methodinfo's isleafmethod variable as
+ nativelyoverloaded, so we can save some space during
+ runtime. */
- Main program.
-
-**************************************************************************/
+ if (!m->isleafmethod) {
+ nativelyoverloaded = false;
-int main(int argc, char **argv)
-{
- s4 i,a;
- char *cp;
- classinfo *topclass;
- void *dummy;
-
+ for (j = i + 1; j < c->methodscount; j++) {
+ m2 = &(c->methods[j]);
- /********** internal (only used by main) *****************************/
-
- char classpath[500] = "";
- char offsets_filename[1024] = ""; /* phil */
- u4 heapsize = 100000;
+ if (!(m2->flags & ACC_NATIVE))
+ continue;
- /*********** options so only headers are generated *******************/
-
- makeinitializations=false;
-
-
- /************ Collect some info from the environment *****************/
-
- cp = getenv ("CLASSPATH");
- if (cp) {
- strcpy (classpath + strlen(classpath), ":");
- strcpy (classpath + strlen(classpath), cp);
+ if (m->name == m2->name) {
+ m2->isleafmethod = true;
+ nativelyoverloaded = true;
+ }
+ }
}
- if (argc < 2) {
- print_usage ();
- exit(10);
- }
-
-
- /**************************** Program start **************************/
-
- log_init (NULL);
- log_text ("Java - header-generator started");
-
- sprintf(offsets_filename, "%s/offsets.h", SYSDEP_DIR); /* phil */
- file = fopen(offsets_filename, "w");
- if (file == NULL) {
- fprintf (stderr, "Can not open file '%s' for write", offsets_filename);
- exit(-1);
+ m->isleafmethod = nativelyoverloaded;
}
-
- fprintf (file, "/* This file is machine generated, don't edit it !*/\n\n");
-
- fprintf (file, "#define offobjvftbl %3d\n", (int) OFFSET(java_objectheader, vftbl));
- fprintf (file, "#define offarraysize %3d\n", (int) OFFSET(java_arrayheader, size));
- fprintf (file, "#define offobjarrdata %3d\n\n", (int) OFFSET(java_objectarray, data[0]));
- fprintf (file, "#define offbaseval %3d\n", (int) OFFSET(vftbl, baseval));
- fprintf (file, "#define offdiffval %3d\n", (int) OFFSET(vftbl, diffval));
- fclose (file);
+ for (i = 0; i < c->methodscount; i++) {
+ m = &(c->methods[i]);
- suck_init (classpath);
-
- tables_init ();
- heap_init (heapsize, heapsize, &dummy);
- loader_init ();
+ if (m->flags & ACC_NATIVE)
+ printmethod(m);
+ }
+ chain_free(ident_chain);
- /*********************** Load JAVA classes **************************/
-
- nativemethod_chain = chain_new ();
- nativeclass_chain = chain_new ();
-
- for (a=1; a<argc; a++) {
-
- cp = argv[a];
-
- /* convert classname */
- for (i=strlen(cp)-1; i>=0; i--)
- switch (cp[i]) {
- case '.': cp[i]='/';
- break;
- case '_': cp[i]='$';
- }
-
- topclass = loader_load ( utf_new_char (cp) );
-
- headerfile_generate (topclass);
- }
+ fprintf(file, "#endif\n\n");
- headers_finish ();
+ fclose(file);
+}
- /************************ Release all resources **********************/
- loader_close ();
- heap_close ();
- tables_close ( literalstring_free );
-
+/******** print classname, '$' used to seperate inner-class name ***********/
- /* Print "finished" message */
+void print_classname(classinfo *clazz)
+{
+ utf *u = clazz->name;
+ char *endpos = u->text + u->blength;
+ char *utf_ptr = u->text;
+ u2 c;
- log_text ("Java - header-generator stopped");
- log_cputime ();
- mem_usagelog(1);
-
- return 0;
-}
+ while (utf_ptr < endpos) {
+ if ((c = utf_nextu2(&utf_ptr)) == '_')
+ putc('$', file);
+ else
+ putc(c, file);
+ }
+}
/*