Done?
[cacao.git] / headers.c
index 07d8a05c44474fa93cac5cdbbb3435d637aaa2f9..038ccffc89354849a1e185523648a8dc1dfd2178 100644 (file)
--- a/headers.c
+++ b/headers.c
@@ -1,4 +1,4 @@
-/* headers.c - main for header generation (cacaoh)
+/* headers.c - functions for header generation
 
    Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
    R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
@@ -28,8 +28,9 @@
 
    Changes: Mark Probst
             Philipp Tomsich
+            Christian Thalinger
 
-   $Id: headers.c 1112 2004-05-31 15:47:20Z jowenn $
+   $Id: headers.c 1368 2004-08-01 21:50:08Z stefan $
 
 */
 
 #include "global.h"
 #include "tables.h"
 #include "loader.h"
+#include "options.h"
 #include "builtin.h"
 #include "mm/boehm.h"
 #include "toolbox/chain.h"
 #include "toolbox/memory.h"
 #include "toolbox/logging.h"
 #include "nat/java_lang_String.h"
-
-
-/* replace command line options */
-
-bool verbose =  false;
-bool verboseexception =  false;
-bool compileall = false;
-bool runverbose = false;
-bool collectverbose = false;
-
-bool loadverbose = false;
-bool linkverbose = false;
-bool initverbose = false;
-
-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 */
-bool opt_verify = true;        /* true if classfiles should be verified      */
-bool opt_liberalutf = false;   /* Don't check overlong UTF-8 sequences       */
-
-bool opt_stat = false;
-bool opt_eager = false;
-
-bool showmethods = false;
-bool showconstantpool = false;
-bool showutf = false;
-
-bool makeinitializations = true;
-
-bool getloadingtime = false;
-s8 loadingtime = 0;
+#include "nat/java_lang_Throwable.h"
 
 
 /******* replace some external functions  *********/
@@ -85,84 +57,23 @@ s8 loadingtime = 0;
 functionptr native_findfunction(utf *cname, utf *mname, utf *desc, bool isstatic)
 { return NULL; }
 
-java_objectheader *javastring_new(utf *text)
-{ return NULL; }
+java_objectheader *javastring_new(utf *text) { return NULL; }
+java_objectheader *javastring_new_char(char *text) { return NULL; }
 
+char *javastring_tochar(java_objectheader *so) { return NULL; }
 utf *javastring_toutf(java_lang_String *string, bool isclassname)
 { return NULL; }
 
 
-/* some exception stuff */
-
-char *string_java_lang_IllegalMonitorStateException =
-    "java/lang/IllegalMonitorStateException";
-
-char *string_java_lang_NegativeArraySizeException =
-    "java/lang/NegativeArraySizeException";
-
-
-char *string_java_lang_AbstractMethodError =
-    "java/lang/AbstractMethodError";
-
-char *string_java_lang_ClassCircularityError =
-    "java/lang/ClassCircularityError";
-
-char *string_java_lang_ClassFormatError =
-    "java/lang/ClassFormatError";
-
-char *string_java_lang_ExceptionInInitializerError =
-    "java/lang/ExceptionInInitializerError";
-
-char *string_java_lang_IncompatibleClassChangeError =
-    "java/lang/IncompatibleClassChangeError";
-
-char *string_java_lang_InternalError =
-    "java/lang/InternalError";
-
-char *string_java_lang_LinkageError =
-    "java/lang/LinkageError";
-
-char *string_java_lang_NoClassDefFoundError =
-    "java/lang/NoClassDefFoundError";
-
-char *string_java_lang_NoSuchFieldError =
-    "java/lang/NoSuchFieldError";
-
-char *string_java_lang_NoSuchMethodError =
-       "java/lang/NoSuchMethodError";
-
-char *string_java_lang_OutOfMemoryError =
-    "java/lang/OutOfMemoryError";
-
-
-void throw_exception_exit() {}
-
-void throw_cacao_exception_exit(char *exception, char *message)
-{
-       fprintf(stderr,
-                       "Exception in thread \"main\" %s: %s\n", exception, message);
-       fflush(stderr);
-
-       /* good bye! */
-       exit(1);
-}
-
-
-void new_exception(char *classname) {}
-void new_exception_message(char *classname, char *message) {}
-void new_exception_throwable(char *classname, java_objectheader *t) {}
-void new_exception_utfmessage(char *classname, utf *message)
-{
-       printf("%s: ", classname);
-       utf_display(message);
-       printf("\n");
-       exit(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 *literalstring_new(utf *u) { return NULL; }  
 
 
-void literalstring_free(java_objectheader *o) { }
+void literalstring_free(java_objectheader *o) {}
 void stringtable_update() { }
 void synchronize_caches() { }
 void asm_call_jit_compiler() { }
@@ -179,15 +90,27 @@ 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 use_class_as_object() {}
 void asm_builtin_monitorenter(java_objectheader *o) {}
-void asm_builtin_monitorexit(java_objectheader *o) {}
+void *asm_builtin_monitorexit(java_objectheader *o) {}
 
-s4 asm_builtin_checkarraycast(java_objectheader *obj, vftbl *target) {return 0;}
+s4 asm_builtin_checkarraycast(java_objectheader *obj, vftbl_t *target) {return 0;}
+
+#if defined(__MIPS__)
+long compare_and_swap(long *p, long oldval, long newval)
+{
+       if (*p == oldval) {
+               *p = newval;
+               return oldval;
+       } else
+               return *p;
+}
+#endif
 
 
 #if defined(__I386__)
 s4 asm_builtin_arrayinstanceof(java_objectheader *obj, classinfo *class) { return 0; }
-void asm_builtin_newarray(s4 size, vftbl *arrayvftbl) {}
+void asm_builtin_newarray(s4 size, vftbl_t *arrayvftbl) {}
 #endif
 
 void asm_builtin_aastore(java_objectarray *a, s4 index, java_objectheader *o) {}
@@ -214,17 +137,15 @@ int cacao_catch_Handler() {}
 threadcritnode asm_criticalsections;
 #endif
 
-java_objectheader *native_new_and_init(void *p) { return NULL; }
-
 
 /************************ global variables **********************/
 
 THREADSPECIFIC java_objectheader *_exceptionptr;
 
-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;
+chain *nativemethod_chain;              /* chain with native methods          */
+chain *nativeclass_chain;               /* chain with processed classes       */
+static chain *ident_chain; /* chain with method and field names in current class */
+FILE *file = NULL;
 static u4 outputsize;
 static bool dopadding;
 
@@ -262,6 +183,39 @@ static void addoutputsize (int len)
        outputsize = newsize;
 }
 
+static void printOverloadPart(utf *desc)
+{
+       char *utf_ptr=desc->text;
+       u2 c;
+
+       fprintf(file,"__");
+       while ((c=utf_nextu2(&utf_ptr))!=')') {
+               switch (c) {
+                       case 'I':
+                       case 'S':
+                       case 'B':
+                       case 'C':
+                       case 'Z':
+                       case 'J':
+                       case 'F':
+                       case 'D': 
+                               fprintf (file, "%c",(char)c);
+                               break;
+                       case '[':
+                               fprintf(file,"_3");
+                               break;
+                       case 'L':
+                               putc('L',file);
+                               while ( (c=utf_nextu2(&utf_ptr)) != ';')
+                                       printIDpart (c);
+                               fprintf(file,"_2");
+                               break;
+                       case '(':
+                               break;
+                       default: panic ("invalid method descriptor");
+               }
+       }
+}
 
 static char *printtype(char *utf_ptr)
 {
@@ -379,7 +333,7 @@ static void printfields(classinfo *c)
 
 /***************** store prototype for native method in file ******************/
 
-static void printmethod(methodinfo *m)
+void printmethod(methodinfo *m)
 {
        char *utf_ptr;
        u2 paramnum = 1;
@@ -404,13 +358,11 @@ static void printmethod(methodinfo *m)
        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);
+       if (m->nativelyoverloaded) printOverloadPart(m->descriptor);
        fprintf(file, "(JNIEnv *env");
        
        utf_ptr = m->descriptor->text + 1;
@@ -438,13 +390,17 @@ static void printmethod(methodinfo *m)
 
 /******* remove package-name in fully-qualified classname *********************/
 
-static void gen_header_filename(char *buffer, utf *u)
+void gen_header_filename(char *buffer, utf *u)
 {
-       int i;
+       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 = 0; i < utf_strlen(u); i++) {
+               if ((u->text[i] == '/') || (u->text[i] == '$')) {
+                       buffer[i] = '_';  /* convert '$' and '/' to '_' */
+
+               } else {
+                       buffer[i] = u->text[i];
+               }
        }
        buffer[utf_strlen(u)] = '\0';
 }
@@ -452,13 +408,16 @@ static void gen_header_filename(char *buffer, utf *u)
 
 /* create headerfile for classes and store native methods in chain ************/
 
-static void headerfile_generate(classinfo *c)
+void headerfile_generate(classinfo *c)
 {
        char header_filename[1024] = "";
        char classname[1024]; 
        char uclassname[1024];
        u2 i;
        methodinfo *m;                  
+       u2 i2;
+       methodinfo *m2;
+       u2 nativelyoverloaded;                  
                      
        /* store class in chain */                    
        chain_addlast(nativeclass_chain, c);
@@ -505,6 +464,27 @@ static void headerfile_generate(classinfo *c)
 
        /* create method-prototypes */
                                
+       /* find overloaded methods */
+       for (i = 0; i < c->methodscount; i++) {
+
+               m = &(c->methods[i]);
+
+               if (!(m->flags & ACC_NATIVE)) continue;
+               if (!m->nativelyoverloaded) {
+                       nativelyoverloaded=false;
+                       for (i2=i+1;i2<c->methodscount; i2++) {
+                               m2 = &(c->methods[i2]);
+                               if (!(m2->flags & ACC_NATIVE)) continue;
+                               if (m->name==m2->name) {
+                                       m2->nativelyoverloaded=true;
+                                       nativelyoverloaded=true;
+                               }
+                       }
+                       m->nativelyoverloaded=nativelyoverloaded;
+               }
+
+       }
+
        for (i = 0; i < c->methodscount; i++) {
 
                m = &(c->methods[i]);
@@ -545,7 +525,7 @@ void print_classname(classinfo *clazz)
 
 /*************** create table for locating native functions ****************/
 
-static void printnativetableentry(methodinfo *m)
+void printnativetableentry(methodinfo *m)
 {
        fprintf(file, "   { \"");
        print_classname(m->class);
@@ -565,214 +545,11 @@ static void printnativetableentry(methodinfo *m)
        printID(m->class->name);
        fprintf(file,"_");
        printID(m->name);
+       if (m->nativelyoverloaded) printOverloadPart(m->descriptor);
        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;
-               gen_header_filename(classname, c->name);                                                                                                                                                                                        
-               fprintf(file, "#include \"nat/%s.h\"\n", classname);            
-               c = chain_next(nativeclass_chain);              
-       }
-
-    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, "/* 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);
-       }
-               
-       chain_free(nativemethod_chain);
-       fclose(file);
-}
-
-
-/******************** internal function: print_usage ************************
-
-Prints usage information for the JAVA header generator to stdout.
-
-***************************************************************************/
-
-static void print_usage()
-{
-       printf("Usage: cacaoh class [class..]\n");
-}   
-
-
-
-/************************** Function: main *******************************
-
-   Main program.
-   
-**************************************************************************/
-
-int main(int argc, char **argv)
-{
-       s4 i,a;
-       char *cp;
-       classinfo *topclass;
-               
-
-       /********** internal (only used by main) *****************************/
-   
-       char classpath[500] = "";
-       char offsets_filename[1024] = ""; /* phil */
-       u4 heapmaxsize = 1000000;
-       u4 heapstartsize = 100000;
-
-       /*********** 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 (argc < 2) {
-               print_usage();
-               exit(10);
-       }
-
-
-       /**************************** Program start **************************/
-
-       log_init(NULL);
-       log_text("Java - header-generator started"); 
-       
-       sprintf(offsets_filename, "jit/%s/offsets.h", ARCH_DIR);
-       file = fopen(offsets_filename, "w");
-       if (file == NULL) {
-               fprintf(stderr, "Can not open file '%s' for write", offsets_filename);
-               exit(-1);
-       }
-       
-       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\n", (int) OFFSET(vftbl, diffval));
-       fprintf(file, "#define offclass     %3d\n\n", (int) OFFSET(vftbl, class));
-
-       fprintf(file, "#define offclassvftbl  %3d\n", (int) OFFSET(classinfo, vftbl));
-       fprintf(file, "#define offclassinit   %3d\n", (int) OFFSET(classinfo, initialized));
-       fprintf(file, "#define offclassloaded %3d\n", (int) OFFSET(classinfo, loaded));
-       fprintf(file, "#define offclasslinked %3d\n\n", (int) OFFSET(classinfo, linked));
-
-       fprintf(file, "#define offjniitemtype %3d\n", (int) OFFSET(jni_callblock, itemtype));
-       fprintf(file, "#define offjniitem     %3d\n", (int) OFFSET(jni_callblock, item));
-       fprintf(file, "#define sizejniblock   %3d\n\n", (int) sizeof(jni_callblock));
-
-       fprintf(file, "#define offclassmethodinfo   %3d\n\n", (int) OFFSET(methodinfo,class));
-
-       fprintf(file, "#define offmethodnative %3d\n", (int) OFFSET(native_stackframeinfo,method));
-/*     fprintf(file, "#define offreturnfromnative %3d\n", (int) OFFSET(native_stackframeinfo,returnFromNative));
-       fprintf(file, "#define offaddrreturnfromnative %3d\n", (int) OFFSET(native_stackframeinfo,addrReturnFromNative));
-       fprintf(file, "#define offprevnative %3d\n", (int) OFFSET(native_stackframeinfo,prev));
-       fprintf(file, "#define offnextnative %3d\n", (int) OFFSET(native_stackframeinfo,next));*/
-
-       fprintf(file, "\n");
-       fprintf(file, "#define offcast_super_baseval  %3d\n", (int) OFFSET(castinfo, super_baseval));
-       fprintf(file, "#define offcast_super_diffval  %3d\n", (int) OFFSET(castinfo, super_diffval));
-       fprintf(file, "#define offcast_sub_baseval    %3d\n", (int) OFFSET(castinfo, sub_baseval));
-
-       fclose(file);
-
-       /* initialize the garbage collector */
-       gc_init(heapmaxsize, heapstartsize);
-
-       suck_init(classpath);
-   
-       tables_init();
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       initThreadsEarly();
-#endif
-       loader_init();
-
-
-       /*********************** 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)); */
-               topclass = class_load(class_new(utf_new_char(cp)));
-               class_link(topclass);
-
-        headerfile_generate(topclass);
-       }
-
-       headers_finish();
-
-       /************************ Release all resources **********************/
-
-       loader_close();
-       tables_close(literalstring_free);
-
-       /* Print "finished" message */
-
-       log_text("Java - header-generator stopped");
-       log_cputime();
-       mem_usagelog(1);
-       
-       return 0;
-}
-
-
 void setVMClassField(classinfo *c)
 {
 }