Mercurial > hg > truffle

comparison src/share/vm/runtime/deoptimization.cpp @ 4978:99d3d8a72252

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
More ifdef GRAAL usage.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Mon, 27 Feb 2012 18:31:27 +0100
parents 33df1aeaebbf
children 1b907994bf2d
comparison
equal deleted inserted replaced
4977:532be189cf09 4978:99d3d8a72252
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 * 18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any 20 * or visit www.oracle.com if you need additional information or have any
21 * questions. 21 * questions.
22 *
22 */ 23 */
23 24
24 #include "precompiled.hpp" 25 #include "precompiled.hpp"
25 #include "classfile/systemDictionary.hpp" 26 #include "classfile/systemDictionary.hpp"
26 #include "code/debugInfoRec.hpp" 27 #include "code/debugInfoRec.hpp"
164 // decremented at the end of unpack_frames(). 165 // decremented at the end of unpack_frames().
165 if (TraceDeoptimization) { 166 if (TraceDeoptimization) {
166 tty->print("Deoptimization "); 167 tty->print("Deoptimization ");
167 } 168 }
168 thread->inc_in_deopt_handler(); 169 thread->inc_in_deopt_handler();
170
169 return fetch_unroll_info_helper(thread); 171 return fetch_unroll_info_helper(thread);
170 JRT_END 172 JRT_END
171 173
172 174
173 // This is factored, since it is both called from a JRT_LEAF (deoptimization) and a JRT_ENTRY (uncommon_trap) 175 // This is factored, since it is both called from a JRT_LEAF (deoptimization) and a JRT_ENTRY (uncommon_trap)
207 vf = vf->sender(); 209 vf = vf->sender();
208 } 210 }
209 assert(vf->is_compiled_frame(), "Wrong frame type"); 211 assert(vf->is_compiled_frame(), "Wrong frame type");
210 chunk->push(compiledVFrame::cast(vf)); 212 chunk->push(compiledVFrame::cast(vf));
211 213
212 // TODO(tw): Fix this hack after introducing GRAAL macro.
213 #if defined(COMPILER2) || defined(GRAAL) 214 #if defined(COMPILER2) || defined(GRAAL)
214 // Reallocate the non-escaping objects and restore their fields. Then 215 // Reallocate the non-escaping objects and restore their fields. Then
215 // relock objects if synchronization on them was eliminated. 216 // relock objects if synchronization on them was eliminated.
216 #ifdef COMPILER2 217 #ifdef COMPILER2
217 if (DoEscapeAnalysis || EliminateNestedLocks) { 218 if (DoEscapeAnalysis || EliminateNestedLocks) {
744 Threads::deoptimized_wrt_marked_nmethods(); 745 Threads::deoptimized_wrt_marked_nmethods();
745 return 0; 746 return 0;
746 } 747 }
747 748
748 749
749 //#ifdef COMPILER2 750 #if defined(COMPILER2) || defined(GRAAL)
750 bool Deoptimization::realloc_objects(JavaThread* thread, frame* fr, GrowableArray<ScopeValue*>* objects, TRAPS) { 751 bool Deoptimization::realloc_objects(JavaThread* thread, frame* fr, GrowableArray<ScopeValue*>* objects, TRAPS) {
751 Handle pending_exception(thread->pending_exception()); 752 Handle pending_exception(thread->pending_exception());
752 const char* exception_file = thread->exception_file(); 753 const char* exception_file = thread->exception_file();
753 int exception_line = thread->exception_line(); 754 int exception_line = thread->exception_line();
754 thread->clear_pending_exception(); 755 thread->clear_pending_exception();
989 k->oop_print_on(obj(), tty); 990 k->oop_print_on(obj(), tty);
990 } 991 }
991 } 992 }
992 } 993 }
993 #endif 994 #endif
994 //#endif // COMPILER2 995 #endif // COMPILER2 || GRAAL
995 996
996 vframeArray* Deoptimization::create_vframeArray(JavaThread* thread, frame fr, RegisterMap *reg_map, GrowableArray<compiledVFrame*>* chunk) { 997 vframeArray* Deoptimization::create_vframeArray(JavaThread* thread, frame fr, RegisterMap *reg_map, GrowableArray<compiledVFrame*>* chunk) {
997 Events::log(thread, "DEOPT PACKING pc=" INTPTR_FORMAT " sp=" INTPTR_FORMAT, fr.pc(), fr.sp()); 998 Events::log(thread, "DEOPT PACKING pc=" INTPTR_FORMAT " sp=" INTPTR_FORMAT, fr.pc(), fr.sp());
998 999
999 #ifndef PRODUCT 1000 #ifndef PRODUCT
1188 thread->popframe_preserve_args(in_ByteSize(bytes_to_save), start_address); 1189 thread->popframe_preserve_args(in_ByteSize(bytes_to_save), start_address);
1189 } 1190 }
1190 JRT_END 1191 JRT_END
1191 1192
1192 1193
1194 #if defined(COMPILER2) || defined(SHARK) || defined(GRAAL)
1193 void Deoptimization::load_class_by_index(constantPoolHandle constant_pool, int index, TRAPS) { 1195 void Deoptimization::load_class_by_index(constantPoolHandle constant_pool, int index, TRAPS) {
1194 // in case of an unresolved klass entry, load the class. 1196 // in case of an unresolved klass entry, load the class.
1195 if (constant_pool->tag_at(index).is_unresolved_klass()) { 1197 if (constant_pool->tag_at(index).is_unresolved_klass()) {
1196 klassOop tk = constant_pool->klass_at(index, CHECK); 1198 klassOop tk = constant_pool->klass_at(index, CHECK);
1197 return; 1199 return;
1962 } 1964 }
1963 #undef PRINT_STAT_LINE 1965 #undef PRINT_STAT_LINE
1964 if (xtty != NULL) xtty->tail("statistics"); 1966 if (xtty != NULL) xtty->tail("statistics");
1965 } 1967 }
1966 } 1968 }
1969 #else // COMPILER2 || SHARK || GRAAL
1970
1971
1972 // Stubs for C1 only system.
1973 bool Deoptimization::trap_state_is_recompiled(int trap_state) {
1974 return false;
1975 }
1976
1977 const char* Deoptimization::trap_reason_name(int reason) {
1978 return "unknown";
1979 }
1980
1981 void Deoptimization::print_statistics() {
1982 // no output
1983 }
1984
1985 void
1986 Deoptimization::update_method_data_from_interpreter(methodDataHandle trap_mdo, int trap_bci, int reason) {
1987 // no udpate
1988 }
1989
1990 int Deoptimization::trap_state_has_reason(int trap_state, int reason) {
1991 return 0;
1992 }
1993
1994 void Deoptimization::gather_statistics(DeoptReason reason, DeoptAction action,
1995 Bytecodes::Code bc) {
1996 // no update
1997 }
1998
1999 const char* Deoptimization::format_trap_state(char* buf, size_t buflen,
2000 int trap_state) {
2001 jio_snprintf(buf, buflen, "#%d", trap_state);
2002 return buf;
2003 }
2004
2005 #endif // COMPILER2 || SHARK || GRAAL