-/* src/vm/jit/intrp/asmpart.S - Java-C interface functions for Interpreter
+/* src/vm/jit/intrp/asmpart.c - Java-C interface functions for Interpreter
- Copyright (C) 1996-2005 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 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
This file is part of CACAO.
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., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA.
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Contact: cacao@complang.tuwien.ac.at
+*/
- Authors: Andreas Krall
- Reinhard Grafl
- Changes: Joseph Wenninger
- Christian Thalinger
+#include "config.h"
- $Id: asmpart.c 3176 2005-09-14 08:51:23Z twisti $
+#include <assert.h>
-*/
+#include "vm/types.h"
+#include "arch.h"
-#include "config.h"
+#if defined(ENABLE_THREADS)
+# include "threads/native/threads.h"
+#else
+# include "threads/none/threads.h"
+#endif
-#include "vm/jit/intrp/arch.h"
-#include "vm/jit/intrp/types.h"
+#include "vm/builtin.h"
+#include "vm/exceptions.h"
#include "vm/jit/asmpart.h"
+#include "vm/jit/methodheader.h"
+#include "vm/jit/intrp/intrp.h"
+#include "vm/jit/dseg.h"
+#include "vmcore/class.h"
+#include "vmcore/linker.h"
+#include "vmcore/loader.h"
+#include "vmcore/options.h"
-/* this is required to link cacao with intrp */
-threadcritnode asm_criticalsections = { NULL, NULL, NULL };
+#if defined(ENABLE_VMLOG)
+#include <vmlog_cacao.h>
+#endif
-void asm_getclassvalues_atomic(vftbl_t *super, vftbl_t *sub, castinfo *out)
+static bool intrp_asm_vm_call_method_intern(methodinfo *m, s4 vmargscount,
+ vm_arg *vmargs)
{
- s4 sbv, sdv, sv;
+ java_objectheader *retval;
+ Cell *sp;
+ s4 i;
+ u1 *entrypoint;
-#if defined(USE_THREADS)
-#if defined(NATIVE_THREADS)
- compiler_lock();
-#else
- intsDisable();
+ sp = global_sp;
+ CLEAR_global_sp;
+
+ assert(sp != NULL);
+
+ for (i = 0; i < vmargscount; i++) {
+ switch (vmargs[i].type) {
+ case TYPE_INT:
+ case TYPE_FLT:
+ case TYPE_ADR:
+ *(--sp) = (Cell) vmargs[i].data.l;
+ break;
+ case TYPE_LNG:
+ case TYPE_DBL:
+ sp -= 2;
+ *((u8 *) sp) = vmargs[i].data.l;
+ break;
+ }
+ }
+
+ entrypoint = createcalljavafunction(m);
+
+ retval = engine((Inst *) entrypoint, sp, NULL);
+
+ /* XXX remove the method from the method table */
+
+ if (retval != NULL) {
+ (void)builtin_throw_exception(retval);
+ return false;
+ }
+ else
+ return true;
+}
+
+
+java_objectheader *intrp_asm_vm_call_method(methodinfo *m, s4 vmargscount,
+ vm_arg *vmargs)
+{
+ java_objectheader *retval = NULL;
+
+ if (intrp_asm_vm_call_method_intern(m, vmargscount, vmargs)) {
+ if (m->parseddesc->returntype.type == TYPE_ADR)
+ retval = (java_objectheader *)*global_sp++;
+ else
+ assert(m->parseddesc->returntype.type == TYPE_VOID);
+ return retval;
+ } else
+ return NULL;
+}
+
+
+s4 intrp_asm_vm_call_method_int(methodinfo *m, s4 vmargscount, vm_arg *vmargs)
+{
+ s4 retval = 0;
+
+ if (intrp_asm_vm_call_method_intern(m, vmargscount, vmargs)) {
+ if (m->parseddesc->returntype.type == TYPE_INT)
+ retval = *global_sp++;
+ else
+ assert(m->parseddesc->returntype.type == TYPE_VOID);
+ return retval;
+ } else
+ return 0;
+}
+
+
+s8 intrp_asm_vm_call_method_long(methodinfo *m, s4 vmargscount, vm_arg *vmargs)
+{
+ s8 retval;
+
+ assert(m->parseddesc->returntype.type == TYPE_LNG);
+
+ if (intrp_asm_vm_call_method_intern(m, vmargscount, vmargs)) {
+ retval = *(s8 *)global_sp;
+ global_sp += 2;
+ return retval;
+ } else
+ return 0;
+}
+
+
+float intrp_asm_vm_call_method_float(methodinfo *m, s4 vmargscount,
+ vm_arg *vmargs)
+{
+ float retval;
+
+ assert(m->parseddesc->returntype.type == TYPE_FLT);
+
+ if (intrp_asm_vm_call_method_intern(m, vmargscount, vmargs)) {
+ retval = *(float *)global_sp;
+ global_sp += 1;
+ return retval;
+ } else
+ return 0.0;
+}
+
+
+double intrp_asm_vm_call_method_double(methodinfo *m, s4 vmargscount,
+ vm_arg *vmargs)
+{
+ double retval;
+
+ assert(m->parseddesc->returntype.type == TYPE_DBL);
+
+ if (intrp_asm_vm_call_method_intern(m, vmargscount, vmargs)) {
+ retval = *(double *)global_sp;
+ global_sp += 2;
+ return retval;
+ } else
+ return 0.0;
+}
+
+
+Inst *intrp_asm_handle_exception(Inst *ip, java_objectheader *o, Cell *fp, Cell **new_spp, Cell **new_fpp)
+{
+ classinfo *c;
+ classref_or_classinfo cr;
+ s4 framesize;
+ s4 issync;
+ dseg_exception_entry *ex;
+ s4 exceptiontablelength;
+ s4 i;
+
+ /* for a description of the stack see IRETURN in java.vmg */
+
+ for (; fp != NULL; ) {
+ u1 *f = codegen_get_pv_from_pc((u1 *) (ip - 1));
+
+ /* get methodinfo pointer from method header */
+
+ codeinfo *code = *((codeinfo **) ((u1 *)f + CodeinfoPointer));
+ methodinfo *m = code->m;
+
+ framesize = *((s4 *) (((u1 *) f) + FrameSize));
+ issync = *((s4 *) (((u1 *) f) + IsSync));
+ ex = (dseg_exception_entry *)
+ (((u1 *) f) + ExTableStart);
+ exceptiontablelength = *((s4 *) (((u1 *) f) + ExTableSize));
+
+#if !defined(NDEBUG)
+ if (opt_verbose || opt_verbosecall || opt_verboseexception)
+ builtin_trace_exception(o, m, ip, 1);
#endif
+
+#if defined(ENABLE_VMLOG)
+ vmlog_cacao_throw(o);
#endif
+ for (i = 0; i < exceptiontablelength; i++) {
+ ex--;
+
+ cr = ex->catchtype;
+
+ if (cr.any == NULL) {
+ /* catch all */
+ c = NULL;
+ }
+ else {
+ if (IS_CLASSREF(cr)) {
+ /* The exception class reference is unresolved. */
+ /* We have to do _eager_ resolving here. While the class of */
+ /* the exception object is guaranteed to be loaded, it may */
+ /* well have been loaded by a different loader than the */
+ /* defining loader of m's class, which is the one we must */
+ /* use to resolve the catch class. Thus lazy resolving */
+ /* might fail, even if the result of the resolution would */
+ /* be an already loaded class. */
+
+ /* The resolving may involve Java code, so we need a usable */
+ /* global_sp. XXX is this a correct value for global_sp? */
+
+ global_sp = (Cell *)(((u1 *)fp) - framesize - SIZEOF_VOID_P);
+
+ c = resolve_classref_eager(cr.ref);
+
+ CLEAR_global_sp;
+
+ if (c == NULL) {
+ /* Exception resolving the exception class, argh! */
+ /* XXX how to report that error? */
+ assert(0);
+ }
+
+ /* Ok, we resolved it. Enter it in the table, so we don't */
+ /* have to do this again. */
+ /* XXX this write should be atomic. Is it? */
+
+ ex->catchtype.cls = c;
+ }
+ else {
+ c = cr.cls;
+
+ /* If the class is not linked, the exception object cannot */
+ /* be an instance of it. */
+ if (!(c->state & CLASS_LINKED))
+ continue;
+ }
+ }
+
+ if (ip-1 >= (Inst *) ex->startpc && ip-1 < (Inst *) ex->endpc &&
+ (c == NULL || builtin_instanceof(o, c)))
+ {
+#if defined(ENABLE_VMLOG)
+ vmlog_cacao_catch(o);
+#endif
+
+ *new_spp = (Cell *)(((u1 *)fp) - framesize - SIZEOF_VOID_P);
+ *new_fpp = fp;
+ return (Inst *) (ex->handlerpc);
+ }
+ }
+
+#if defined(ENABLE_THREADS)
+ /* is this method synchronized? */
+
+ if (issync) {
+ java_objectheader *syncobj;
+
+ /* get synchronization object */
+
+ if (m->flags & ACC_STATIC) {
+ syncobj = (java_objectheader *) m->class;
+ }
+ else {
+ syncobj = (java_objectheader *) access_local_cell(-framesize + SIZEOF_VOID_P);
+ }
+
+ assert(syncobj != NULL);
+
+ lock_monitor_exit(syncobj);
+ }
+#endif /* defined(ENABLE_THREADS) */
+
+ /* unwind stack frame */
+
+#if defined(ENABLE_VMLOG)
+ vmlog_cacao_unwnd_method(m);
+#endif
+
+ ip = (Inst *)access_local_cell(-framesize - SIZEOF_VOID_P);
+ fp = (Cell *)access_local_cell(-framesize);
+ }
+
+ return NULL;
+}
+
+
+void intrp_asm_abstractmethoderror(void)
+{
+ vm_abort("intrp_asm_abstractmethoderror: IMPLEMENT ME!");
+}
+
+
+void intrp_asm_getclassvalues_atomic(vftbl_t *super, vftbl_t *sub, castinfo *out)
+{
+ s4 sbv, sdv, sv;
+
+ LOCK_MONITOR_ENTER(linker_classrenumber_lock);
+
sbv = super->baseval;
sdv = super->diffval;
sv = sub->baseval;
-#if defined(USE_THREADS)
-#if defined(NATIVE_THREADS)
- compiler_unlock();
-#else
- intsRestore();
-#endif
-#endif
+ LOCK_MONITOR_EXIT(linker_classrenumber_lock);
out->super_baseval = sbv;
out->super_diffval = sdv;
* c-basic-offset: 4
* tab-width: 4
* End:
+ * vim:noexpandtab:sw=4:ts=4:
*/
projects / cacao.git / blobdiff