-/* 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,
Changes: Mark Probst
Philipp Tomsich
+ Christian Thalinger
- $Id: headers.c 689 2003-12-05 18:03:47Z stefan $
+ $Id: headers.c 1570 2004-11-23 16:04:33Z twisti $
*/
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
+#include <ucontext.h>
+
#include "config.h"
#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/loging.h"
+#include "toolbox/logging.h"
+#include "nat/java_lang_String.h"
+#include "nat/java_lang_Throwable.h"
/******* replace some external functions *********/
-functionptr native_findfunction (utf *cname, utf *mname, utf *desc, bool isstatic)
+functionptr native_findfunction(utf *cname, utf *mname, utf *desc, bool isstatic)
{ return NULL; }
-java_objectheader *javastring_new (utf *text) /* schani */
+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; }
-void throw_classnotfoundexception()
-{
- panic("class not found----------");
-}
-/* */
-
-void throw_classnotfoundexception2(utf* classname)
-{
- /* [stefan] code was useless
- sprintf (logtext, "Loading class: ");
- utf_sprint (logtext+strlen(logtext), classname);
- */
- panic("******class not found");
-}
-/* this is here to avoid link errors. We are not interested in linkagerrors in cacaoh right now*/
-void throw_linkageerror2(utf* classname)
-{
-}
+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; }
-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() { }
-void asm_calljavamethod() { }
-void asm_dumpregistersandcall() { }
+void asm_calljavafunction() { }
s4 asm_builtin_checkcast(java_objectheader *obj, classinfo *class) { return 0; }
s4 asm_builtin_idiv(s4 a, s4 b) {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) { return NULL; }
+
+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
-s4 asm_builtin_checkarraycast(java_objectheader *o,arraydescriptor *d) {return 0;}
#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) {}
void removecompilerstub(u1 *stub) {}
void removenativestub(u1 *stub) {}
-void asm_perform_threadswitch(u1 **from, u1 **to) {}
+void asm_perform_threadswitch(u1 **from, u1 **to, u1 **stackTop) {}
u1* asm_initialize_thread_stack(void *func, u1 *stack) { return NULL; }
+void thread_restartcriticalsection(ucontext_t *uc) {}
void asm_switchstackandcall() {}
void asm_handle_builtin_exception(classinfo *c) {}
+void asm_getclassvalues_atomic() {}
-java_objectheader *native_new_and_init(void *p) { return NULL; }
+#if defined(__DARWIN__)
+int cacao_catch_Handler() {}
+#endif
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+threadcritnode asm_criticalsections;
+#endif
-/************************ global variables **********************/
-java_objectheader *exceptionptr;
+/************************ global variables **********************/
-bool verbose = false;
-bool runverbose = false;
-bool collectverbose = false;
+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;
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)
{
}
-/******* 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)
{
}
-/**************** print structure for direct access to objects ******************/
+/************** print structure for direct access to objects ******************/
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;
- u2 ident_count;
/* search for return-type in descriptor */
utf_ptr = m->descriptor->text;
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;
}
-/****************** remove package-name in fully-qualified classname *********************/
+/******* 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';
}
-/*********** create headerfile for classes and store native methods in chain ************/
+/* create headerfile for classes and store native methods in chain ************/
-static void headerfile_generate(classinfo *c)
+void headerfile_generate(classinfo *c, char *opt_directory)
{
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);
+ chain_addlast(nativeclass_chain, c);
/* open headerfile for class */
gen_header_filename(classname, c->name);
/* create chain for renaming fields */
ident_chain = chain_new();
- sprintf(header_filename, "nat/%s.h", classname);
+ if (opt_directory) {
+ sprintf(header_filename, "%s/%s.h", opt_directory, classname);
+
+ } else {
+ sprintf(header_filename, "%s.h", classname);
+ }
+
file = fopen(header_filename, "w");
- if (!file) panic("Can not open file to store header information");
+ if (!file)
+ panic("Can not open file to store header information");
fprintf(file, "/* This file is machine generated, don't edit it !*/\n\n");
fprintf(file, " {\n");
outputsize = 0;
dopadding = true;
+
printfields(c);
+
fprintf(file, "} ");
printID(c->name);
fprintf(file, ";\n\n");
/* 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]);
fclose(file);
}
+
/******** print classname, '$' used to seperate inner-class name ***********/
-void print_classname (classinfo *clazz)
+void print_classname(classinfo *clazz)
{
utf *u = clazz->name;
char *endpos = u->text + u->blength;
char *utf_ptr = u->text;
u2 c;
- while (utf_ptr<endpos) {
- if ((c=utf_nextu2(&utf_ptr)) == '_')
- putc ('$',file);
- else
- putc (c,file);
+ while (utf_ptr < endpos) {
+ if ((c = utf_nextu2(&utf_ptr)) == '_') {
+ putc('$', file);
+
+ } else {
+ putc(c, file);
+ }
}
}
/*************** create table for locating native functions ****************/
-static void printnativetableentry(methodinfo *m)
+void printnativetableentry(methodinfo *m)
{
fprintf(file, " { \"");
print_classname(m->class);
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;
- void *dummy;
-
-
- /********** internal (only used by main) *****************************/
-
- char classpath[500] = "";
- char offsets_filename[1024] = ""; /* phil */
- u4 heapsize = 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); /* phil */
- 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 offclassvftbl %3d\n", (int) OFFSET(classinfo, vftbl));
-
- 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));
-
-
- fclose(file);
-
- suck_init(classpath);
-
- tables_init();
- heap_init(heapsize, heapsize, &dummy);
- 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));
-
- headerfile_generate(topclass);
- }
-
- headers_finish();
-
- /************************ Release all resources **********************/
-
- loader_close();
- heap_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)
{
}