/* src/cacaoh/headers.c - functions for header generation
- 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
+ Copyright (C) 1996-2005, 2006, 2007, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Reinhard Grafl
-
- Changes: Mark Probst
- Philipp Tomsich
- Christian Thalinger
- Edwin Steiner
-
- $Id: headers.c 5031 2006-06-14 18:36:22Z motse $
-
*/
#include <assert.h>
#include <ctype.h>
#include <stdarg.h>
+#include <stdint.h>
#include <stdlib.h>
#include <string.h>
-#include "vm/types.h"
-
#if defined(ENABLE_THREADS)
# if defined(__DARWIN__)
# include <signal.h>
# include <ucontext.h>
#endif
-#include "mm/boehm.h"
+#include "mm/gc.hpp"
#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;
-#endif
-
-
-/* for raising exceptions from native methods *********************************/
-
-#if !defined(ENABLE_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 vm_abort(const char *text, ...)
-{
- abort();
-}
-
-/* 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
-
-
-u1 *createcompilerstub(methodinfo *m) { return NULL; }
-#if defined(ENABLE_INTRP)
-u1 *intrp_createcompilerstub(methodinfo *m) { return NULL; }
-#endif
-
-codeinfo *codegen_createnativestub(functionptr f, methodinfo *m) { return NULL; }
-
-void removecompilerstub(u1 *stub) {}
-void removenativestub(u1 *stub) {}
-
-void asm_perform_threadswitch(u1 **from, u1 **to, u1 **stackTop) {}
-u1* asm_initialize_thread_stack(void *func, u1 *stack) { return NULL; }
-
-void *asm_switchstackandcall(void *stack, void *func, void **stacktopsave, void * p) { return NULL; }
-
-void asm_handle_builtin_exception(classinfo *c) {}
-
-
-#if defined(ENABLE_JIT)
-void asm_getclassvalues_atomic(vftbl_t *super, vftbl_t *sub, castinfo *out) {}
-#endif
-
-#if defined(ENABLE_INTRP)
-void intrp_asm_getclassvalues_atomic(vftbl_t *super, vftbl_t *sub, castinfo *out) {}
-#endif
-
-u8 asm_get_cycle_count(void)
-{
- return 0;
-}
-
-
-void *Java_java_lang_VMObject_clone(void *env, void *clazz, void * this)
-{
- return NULL;
-}
-
-typecheck_result typeinfo_is_assignable_to_class(typeinfo *value,classref_or_classinfo dest)
-{
- return typecheck_TRUE;
-}
-
-void typeinfo_init_classinfo(typeinfo *info,classinfo *c)
-{
-}
+#include "vm/string.hpp"
-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) {}
-
-void code_free_code_of_method(methodinfo *m) {}
-
-
-/* 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;
-}
+#include "vmcore/class.h"
+#include "vmcore/method.h"
+#include "vmcore/loader.h"
+#include "vmcore/options.h"
-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_printable_ascii(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_printable_ascii(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_printable_ascii(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_printable_ascii(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_printable_ascii_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_printable_ascii(stderr, c->name);
- fprintf(stderr, ".");
- utf_fprint_printable_ascii(stderr, name);
- utf_fprint_printable_ascii(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_printable_ascii(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;
-}
-
-
-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(ENABLE_THREADS)
-critical_section_node_t asm_criticalsections;
-void thread_restartcriticalsection(ucontext_t *uc) {}
-#endif
-
-void md_param_alloc(methoddesc *md) {}
+/************************ global variables **********************/
+#define ACC_NATIVELY_OVERLOADED 0x10000000
-#if defined(ENABLE_INTRP)
-void print_dynamic_super_statistics(void) {}
+#if defined(ENABLE_HANDLES)
+# define HEAP_PREFIX "heap_"
+#else
+# define HEAP_PREFIX ""
#endif
-
-/************************ global variables **********************/
-
chain *ident_chain; /* chain with method and field names in current class */
FILE *file = NULL;
-static u4 outputsize;
+static uint32_t outputsize;
static bool dopadding;
}
-static void addoutputsize (int len)
+static void addoutputsize(int len)
{
- u4 newsize,i;
- if (!dopadding) return;
+ uint32_t newsize;
+ int32_t i;
- newsize = ALIGN(outputsize, len);
+ if (!dopadding)
+ return;
+
+ newsize = MEMORY_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, " uint8_t pad%d\n", (int) i);
+
outputsize = newsize;
}
void printOverloadPart(utf *desc)
{
char *utf_ptr=desc->text;
- u2 c;
+ uint16_t c;
fprintf(file, "__");
}
}
-static char *printtype(char *utf_ptr)
+static char *printtype(char *utf_ptr, char *prefix, char *infix)
{
- u2 c;
+ uint16_t c;
switch (utf_nextu2(&utf_ptr)) {
- case 'V': fprintf (file, "void");
+ case 'V':
+ fprintf(file, "void");
break;
case 'I':
case 'S':
case 'B':
case 'C':
- case 'Z': addoutputsize (4);
- fprintf (file, "s4");
+ case 'Z':
+ addoutputsize(4);
+ fprintf(file, "int32_t");
break;
- case 'J': addoutputsize (8);
- fprintf (file, "s8");
+ case 'J':
+ addoutputsize(8);
+ fprintf(file, "int64_t");
break;
- case 'F': addoutputsize (4);
- fprintf (file, "float");
+ case 'F':
+ addoutputsize(4);
+ fprintf(file, "float");
break;
- case 'D': addoutputsize (8);
- fprintf (file, "double");
+ case 'D':
+ addoutputsize(8);
+ fprintf(file, "double");
break;
case '[':
- addoutputsize ( sizeof(java_arrayheader*) );
+ addoutputsize ( sizeof(java_array_t*) );
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 'I': fprintf (file, "java%s_intarray_t*", infix); break;
+ case 'J': fprintf (file, "java%s_longarray_t*", infix); break;
+ case 'Z': fprintf (file, "java%s_booleanarray_t*", infix); break;
+ case 'B': fprintf (file, "java%s_bytearray_t*", infix); break;
+ case 'S': fprintf (file, "java%s_shortarray_t*", infix); break;
+ case 'C': fprintf (file, "java%s_chararray_t*", infix); break;
+ case 'F': fprintf (file, "java%s_floatarray_t*", infix); break;
+ case 'D': fprintf (file, "java%s_doublearray_t*", infix); break;
- case '[': fprintf(file, "java_objectarray*");
+ case '[': fprintf(file, "java%s_objectarray_t*", infix);
while ((c = utf_nextu2(&utf_ptr)) == '[');
if (c == 'L')
while (utf_nextu2(&utf_ptr) != ';');
break;
- case 'L': fprintf(file, "java_objectarray*");
+ case 'L': fprintf(file, "java%s_objectarray_t*", infix);
while (utf_nextu2(&utf_ptr) != ';');
break;
default:
break;
case 'L':
- addoutputsize ( sizeof(java_objectheader*));
- fprintf (file, "struct ");
+ addoutputsize ( sizeof(java_object_t*));
+ fprintf (file, "struct %s", prefix);
while ( (c = utf_nextu2(&utf_ptr)) != ';' ) printIDpart (c);
fprintf (file, "*");
break;
static void printfields(classinfo *c)
{
- u4 i;
+ int32_t i;
fieldinfo *f;
int ident_count;
if (!c) {
- addoutputsize(sizeof(java_objectheader));
- fprintf(file, " java_objectheader header;\n");
+ addoutputsize(sizeof(java_object_t));
+ fprintf(file, " java_object_t header;\n");
return;
}
- printfields(c->super.cls);
+ printfields(c->super);
for (i = 0; i < c->fieldscount; i++) {
f = &(c->fields[i]);
if (!(f->flags & ACC_STATIC)) {
fprintf(file, " ");
- printtype(f->descriptor->text);
+ printtype(f->descriptor->text, HEAP_PREFIX, "");
fprintf(file, " ");
utf_fprint_printable_ascii(file, f->name);
void printmethod(methodinfo *m)
{
char *utf_ptr;
- u2 paramnum = 1;
+ int32_t paramnum = 1;
/* search for return-type in descriptor */
utf_ptr = m->descriptor->text;
/* create remarks */
fprintf(file, "\n/*\n * Class: ");
- utf_fprint_printable_ascii(file, m->class->name);
+ utf_fprint_printable_ascii(file, m->clazz->name);
fprintf(file, "\n * Method: ");
utf_fprint_printable_ascii(file, m->name);
fprintf(file, "\n * Signature: ");
/* create prototype */
fprintf(file, "JNIEXPORT ");
- printtype(utf_ptr);
+ printtype(utf_ptr, "", "_handle");
fprintf(file, " JNICALL Java_");
- printID(m->class->name);
+ printID(m->clazz->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. */
+ /* ATTENTION: We use a dummy flag here. */
- if (m->isleafmethod)
+ if (m->flags & ACC_NATIVELY_OVERLOADED)
printOverloadPart(m->descriptor);
fprintf(file, "(JNIEnv *env");
if (!(m->flags & ACC_STATIC)) {
fprintf(file, ", struct ");
- printID(m->class->name);
- fprintf(file, "* this");
+ printID(m->clazz->name);
+ fprintf(file, "* _this");
} else {
fprintf(file, ", jclass clazz");
if ((*utf_ptr) != ')') fprintf(file, ", ");
while ((*utf_ptr) != ')') {
- utf_ptr = printtype(utf_ptr);
+ utf_ptr = printtype(utf_ptr, "", "_handle");
fprintf(file, " par%d", paramnum++);
if ((*utf_ptr)!=')') fprintf(file, ", ");
}
void gen_header_filename(char *buffer, utf *u)
{
- s4 i;
+ int32_t i;
for (i = 0; i < utf_get_number_of_u2s(u); i++) {
if ((u->text[i] == '/') || (u->text[i] == '$')) {
char header_filename[1024] = "";
char classname[1024];
char uclassname[1024];
- u2 i;
+ int32_t i;
methodinfo *m;
- u2 j;
+ int32_t j;
methodinfo *m2;
bool nativelyoverloaded;
fprintf(file, "/* Structure information for class: ");
utf_fprint_printable_ascii(file, c->name);
fprintf(file, " */\n\n");
- fprintf(file, "typedef struct ");
- printID(c->name);
+ fprintf(file, "typedef struct %s", HEAP_PREFIX);
+ printID(c->name);
fprintf(file, " {\n");
outputsize = 0;
dopadding = true;
printfields(c);
+ fprintf(file, "} %s", HEAP_PREFIX);
+ printID(c->name);
+ fprintf(file, ";\n\n");
+
+#if defined(ENABLE_HANDLES)
+ /* create structure for indirection cell */
+ fprintf(file, "typedef struct ");
+ printID(c->name);
+ fprintf(file, " {\n");
+ fprintf(file, " %s", HEAP_PREFIX);
+ printID(c->name);
+ fprintf(file, " *heap_object;\n");
fprintf(file, "} ");
printID(c->name);
fprintf(file, ";\n\n");
+#endif
/* create chain for renaming overloaded methods */
chain_free(ident_chain);
if (!(m->flags & ACC_NATIVE))
continue;
- /* We use the methodinfo's isleafmethod variable as
- nativelyoverloaded, so we can save some space during
- runtime. */
+ /* We use a dummy flag here. */
- if (!m->isleafmethod) {
+ if (!(m->flags & ACC_NATIVELY_OVERLOADED)) {
nativelyoverloaded = false;
for (j = i + 1; j < c->methodscount; j++) {
continue;
if (m->name == m2->name) {
- m2->isleafmethod = true;
- nativelyoverloaded = true;
+ m2->flags |= ACC_NATIVELY_OVERLOADED;
+ nativelyoverloaded = true;
}
}
}
- m->isleafmethod = nativelyoverloaded;
+ if (nativelyoverloaded == true)
+ m->flags |= ACC_NATIVELY_OVERLOADED;
}
for (i = 0; i < c->methodscount; i++) {
utf *u = clazz->name;
char *endpos = u->text + u->blength;
char *utf_ptr = u->text;
- u2 c;
+ uint16_t c;
while (utf_ptr < endpos) {
if ((c = utf_nextu2(&utf_ptr)) == '_')
}
}
-/* jvmti releated functions ************************************************/
-
-#if defined(ENABLE_JVMTI)
-void jvmti_ThreadStartEnd(int ev) {;}
-void jvmti_ClassLoadPrepare(bool prepared, classinfo *c) {;}
-void jvmti_MonitorContendedEntering(bool entered, jobject obj) {;}
-#endif
-
-
/*
* These are local overrides for various environment variables in Emacs.
projects / cacao.git / blobdiff