truffle: src/cpu/ppc/vm/frame

annotate src/cpu/ppc/vm/frame_ppc.cpp @ 17804:fd1b9f02cc91

8036976: PPC64: implement the template interpreter Reviewed-by: kvn, coleenp Contributed-by: axel.siebenborn@sap.com, martin.doerr@sap.com

author	goetz
date	Mon, 10 Mar 2014 12:58:02 +0100
parents	67fa91961822
children	92aa6797d639 327e7269f90d

rev	line source
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	1 /*
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
17804 fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	3 * Copyright 2012, 2014 SAP AG. All rights reserved.
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	5 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	6 * This code is free software; you can redistribute it and/or modify it
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	7 * under the terms of the GNU General Public License version 2 only, as
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	8 * published by the Free Software Foundation.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	9 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	10 * This code is distributed in the hope that it will be useful, but WITHOUT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	13 * version 2 for more details (a copy is included in the LICENSE file that
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	14 * accompanied this code).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	15 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	16 * You should have received a copy of the GNU General Public License version
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	17 * 2 along with this work; if not, write to the Free Software Foundation,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	19 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	21 * or visit www.oracle.com if you need additional information or have any
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	22 * questions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	23 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	24 */
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	25
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	26 #include "precompiled.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	27 #include "interpreter/interpreter.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	28 #include "memory/resourceArea.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	29 #include "oops/markOop.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	30 #include "oops/method.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	31 #include "oops/oop.inline.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	32 #include "runtime/frame.inline.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	33 #include "runtime/handles.inline.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	34 #include "runtime/javaCalls.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	35 #include "runtime/monitorChunk.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	36 #include "runtime/signature.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	37 #include "runtime/stubCodeGenerator.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	38 #include "runtime/stubRoutines.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	39 #include "vmreg_ppc.inline.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	40 #ifdef COMPILER1
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	41 #include "c1/c1_Runtime1.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	42 #include "runtime/vframeArray.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	43 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	44
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	45 #ifdef ASSERT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	46 void RegisterMap::check_location_valid() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	47 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	48 #endif // ASSERT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	49
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	50 bool frame::safe_for_sender(JavaThread *thread) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	51 bool safe = false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	52 address cursp = (address)sp();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	53 address curfp = (address)fp();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	54 if ((cursp != NULL && curfp != NULL &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	55 (cursp <= thread->stack_base() && cursp >= thread->stack_base() - thread->stack_size())) &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	56 (curfp <= thread->stack_base() && curfp >= thread->stack_base() - thread->stack_size())) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	57 safe = true;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	58 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	59 return safe;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	60 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	61
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	62 bool frame::is_interpreted_frame() const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	63 return Interpreter::contains(pc());
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	64 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	65
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	66 frame frame::sender_for_entry_frame(RegisterMap *map) const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	67 assert(map != NULL, "map must be set");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	68 // Java frame called from C; skip all C frames and return top C
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	69 // frame of that chunk as the sender.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	70 JavaFrameAnchor* jfa = entry_frame_call_wrapper()->anchor();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	71 assert(!entry_frame_is_first(), "next Java fp must be non zero");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	72 assert(jfa->last_Java_sp() > _sp, "must be above this frame on stack");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	73 map->clear();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	74 assert(map->include_argument_oops(), "should be set by clear");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	75
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	76 if (jfa->last_Java_pc() != NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	77 frame fr(jfa->last_Java_sp(), jfa->last_Java_pc());
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	78 return fr;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	79 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	80 // Last_java_pc is not set, if we come here from compiled code. The
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	81 // constructor retrieves the PC from the stack.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	82 frame fr(jfa->last_Java_sp());
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	83 return fr;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	84 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	85
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	86 frame frame::sender_for_interpreter_frame(RegisterMap *map) const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	87 // Pass callers initial_caller_sp as unextended_sp.
17804 fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	88 return frame(sender_sp(), sender_pc(),
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	89 CC_INTERP_ONLY((intptr_t)((parent_ijava_frame_abi )callers_abi())->initial_caller_sp)
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	90 NOT_CC_INTERP((intptr_t*)get_ijava_state()->sender_sp)
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	91 );
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	92 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	93
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	94 frame frame::sender_for_compiled_frame(RegisterMap *map) const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	95 assert(map != NULL, "map must be set");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	96
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	97 // Frame owned by compiler.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	98 address pc = *compiled_sender_pc_addr(_cb);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	99 frame caller(compiled_sender_sp(_cb), pc);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	100
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	101 // Now adjust the map.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	102
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	103 // Get the rest.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	104 if (map->update_map()) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	105 // Tell GC to use argument oopmaps for some runtime stubs that need it.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	106 map->set_include_argument_oops(_cb->caller_must_gc_arguments(map->thread()));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	107 if (_cb->oop_maps() != NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	108 OopMapSet::update_register_map(this, map);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	109 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	110 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	111
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	112 return caller;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	113 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	114
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	115 intptr_t* frame::compiled_sender_sp(CodeBlob* cb) const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	116 return sender_sp();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	117 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	118
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	119 address* frame::compiled_sender_pc_addr(CodeBlob* cb) const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	120 return sender_pc_addr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	121 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	122
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	123 frame frame::sender(RegisterMap* map) const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	124 // Default is we do have to follow them. The sender_for_xxx will
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	125 // update it accordingly.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	126 map->set_include_argument_oops(false);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	127
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	128 if (is_entry_frame()) return sender_for_entry_frame(map);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	129 if (is_interpreted_frame()) return sender_for_interpreter_frame(map);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	130 assert(_cb == CodeCache::find_blob(pc()),"Must be the same");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	131
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	132 if (_cb != NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	133 return sender_for_compiled_frame(map);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	134 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	135 // Must be native-compiled frame, i.e. the marshaling code for native
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	136 // methods that exists in the core system.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	137 return frame(sender_sp(), sender_pc());
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	138 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	139
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	140 void frame::patch_pc(Thread* thread, address pc) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	141 if (TracePcPatching) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	142 tty->print_cr("patch_pc at address " PTR_FORMAT " [" PTR_FORMAT " -> " PTR_FORMAT "]",
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	143 &((address) _sp)[-1], ((address) _sp)[-1], pc);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	144 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	145 own_abi()->lr = (uint64_t)pc;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	146 _cb = CodeCache::find_blob(pc);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	147 if (_cb != NULL && _cb->is_nmethod() && ((nmethod*)_cb)->is_deopt_pc(_pc)) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	148 address orig = (((nmethod*)_cb)->get_original_pc(this));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	149 assert(orig == _pc, "expected original to be stored before patching");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	150 _deopt_state = is_deoptimized;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	151 // Leave _pc as is.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	152 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	153 _deopt_state = not_deoptimized;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	154 _pc = pc;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	155 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	156 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	157
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	158 void frame::pd_gc_epilog() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	159 if (is_interpreted_frame()) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	160 // Set constant pool cache entry for interpreter.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	161 Method* m = interpreter_frame_method();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	162
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	163 *interpreter_frame_cpoolcache_addr() = m->constants()->cache();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	164 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	165 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	166
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	167 bool frame::is_interpreted_frame_valid(JavaThread* thread) const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	168 // Is there anything to do?
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	169 assert(is_interpreted_frame(), "Not an interpreted frame");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	170 return true;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	171 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	172
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	173 BasicType frame::interpreter_frame_result(oop* oop_result, jvalue* value_result) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	174 assert(is_interpreted_frame(), "interpreted frame expected");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	175 Method* method = interpreter_frame_method();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	176 BasicType type = method->result_type();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	177
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	178 if (method->is_native()) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	179 // Prior to calling into the runtime to notify the method exit the possible
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	180 // result value is saved into the interpreter frame.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14433 diff changeset	181 #ifdef CC_INTERP
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	182 interpreterState istate = get_interpreterState();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	183 address lresult = (address)istate + in_bytes(BytecodeInterpreter::native_lresult_offset());
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	184 address fresult = (address)istate + in_bytes(BytecodeInterpreter::native_fresult_offset());
17804 fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	185 #else
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	186 address lresult = (address)&(get_ijava_state()->lresult);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	187 address fresult = (address)&(get_ijava_state()->fresult);
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14433 diff changeset	188 #endif
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	189
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	190 switch (method->result_type()) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	191 case T_OBJECT:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	192 case T_ARRAY: {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	193 oop* obj_p = (oop*)lresult;
14433 018b357638aa 8028514: PPC64: Fix C++ Interpreter after '7195622: CheckUnhandledOops has limited usefulness now' simonis parents: 14408 diff changeset	194 oop obj = (obj_p == NULL) ? (oop)NULL : *obj_p;
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	195 assert(obj == NULL \|\| Universe::heap()->is_in(obj), "sanity check");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	196 *oop_result = obj;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	197 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	198 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	199 // We use std/stfd to store the values.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	200 case T_BOOLEAN : value_result->z = (jboolean) (unsigned long)lresult; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	201 case T_INT : value_result->i = (jint) (long)lresult; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	202 case T_CHAR : value_result->c = (jchar) (unsigned long)lresult; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	203 case T_SHORT : value_result->s = (jshort) (long)lresult; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	204 case T_BYTE : value_result->z = (jbyte) (long)lresult; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	205 case T_LONG : value_result->j = (jlong) (long)lresult; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	206 case T_FLOAT : value_result->f = (jfloat) (double)fresult; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	207 case T_DOUBLE : value_result->d = (jdouble) (double)fresult; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	208 case T_VOID : /* Nothing to do */ break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	209 default : ShouldNotReachHere();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	210 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	211 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	212 intptr_t* tos_addr = interpreter_frame_tos_address();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	213 switch (method->result_type()) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	214 case T_OBJECT:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	215 case T_ARRAY: {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	216 oop obj = (oop)tos_addr;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	217 assert(obj == NULL \|\| Universe::heap()->is_in(obj), "sanity check");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	218 *oop_result = obj;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	219 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	220 case T_BOOLEAN : value_result->z = (jboolean) (jint)tos_addr; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	221 case T_BYTE : value_result->b = (jbyte) (jint)tos_addr; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	222 case T_CHAR : value_result->c = (jchar) (jint)tos_addr; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	223 case T_SHORT : value_result->s = (jshort) (jint)tos_addr; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	224 case T_INT : value_result->i = (jint)tos_addr; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	225 case T_LONG : value_result->j = (jlong)tos_addr; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	226 case T_FLOAT : value_result->f = (jfloat)tos_addr; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	227 case T_DOUBLE : value_result->d = (jdouble)tos_addr; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	228 case T_VOID : /* Nothing to do */ break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	229 default : ShouldNotReachHere();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	230 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	231 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	232 return type;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	233 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	234
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	235 #ifndef PRODUCT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	236
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	237 void frame::describe_pd(FrameValues& values, int frame_no) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	238 if (is_interpreted_frame()) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	239 #ifdef CC_INTERP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	240 interpreterState istate = get_interpreterState();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	241 values.describe(frame_no, (intptr_t*)istate, "istate");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	242 values.describe(frame_no, (intptr_t*)&(istate->_thread), " thread");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	243 values.describe(frame_no, (intptr_t*)&(istate->_bcp), " bcp");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	244 values.describe(frame_no, (intptr_t*)&(istate->_locals), " locals");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	245 values.describe(frame_no, (intptr_t*)&(istate->_constants), " constants");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	246 values.describe(frame_no, (intptr_t*)&(istate->_method), err_msg(" method = %s", istate->_method->name_and_sig_as_C_string()));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	247 values.describe(frame_no, (intptr_t*)&(istate->_mdx), " mdx");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	248 values.describe(frame_no, (intptr_t*)&(istate->_stack), " stack");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	249 values.describe(frame_no, (intptr_t*)&(istate->_msg), err_msg(" msg = %s", BytecodeInterpreter::C_msg(istate->_msg)));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	250 values.describe(frame_no, (intptr_t*)&(istate->_result), " result");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	251 values.describe(frame_no, (intptr_t*)&(istate->_prev_link), " prev_link");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	252 values.describe(frame_no, (intptr_t*)&(istate->_oop_temp), " oop_temp");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	253 values.describe(frame_no, (intptr_t*)&(istate->_stack_base), " stack_base");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	254 values.describe(frame_no, (intptr_t*)&(istate->_stack_limit), " stack_limit");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	255 values.describe(frame_no, (intptr_t*)&(istate->_monitor_base), " monitor_base");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	256 values.describe(frame_no, (intptr_t*)&(istate->_frame_bottom), " frame_bottom");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	257 values.describe(frame_no, (intptr_t*)&(istate->_last_Java_pc), " last_Java_pc");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	258 values.describe(frame_no, (intptr_t*)&(istate->_last_Java_fp), " last_Java_fp");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	259 values.describe(frame_no, (intptr_t*)&(istate->_last_Java_sp), " last_Java_sp");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	260 values.describe(frame_no, (intptr_t*)&(istate->_self_link), " self_link");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	261 values.describe(frame_no, (intptr_t*)&(istate->_native_fresult), " native_fresult");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	262 values.describe(frame_no, (intptr_t*)&(istate->_native_lresult), " native_lresult");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	263 #else
17804 fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	264 #define DESCRIBE_ADDRESS(name) \
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	265 values.describe(frame_no, (intptr_t*)&(get_ijava_state()->name), #name);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	266
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	267 DESCRIBE_ADDRESS(method);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	268 DESCRIBE_ADDRESS(locals);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	269 DESCRIBE_ADDRESS(monitors);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	270 DESCRIBE_ADDRESS(cpoolCache);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	271 DESCRIBE_ADDRESS(bcp);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	272 DESCRIBE_ADDRESS(esp);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	273 DESCRIBE_ADDRESS(mdx);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	274 DESCRIBE_ADDRESS(top_frame_sp);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	275 DESCRIBE_ADDRESS(sender_sp);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	276 DESCRIBE_ADDRESS(oop_tmp);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	277 DESCRIBE_ADDRESS(lresult);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 14445 diff changeset	278 DESCRIBE_ADDRESS(fresult);
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	279 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	280 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	281 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	282 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	283
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	284 void frame::adjust_unextended_sp() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	285 // If we are returning to a compiled MethodHandle call site, the
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	286 // saved_fp will in fact be a saved value of the unextended SP. The
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	287 // simplest way to tell whether we are returning to such a call site
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	288 // is as follows:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	289
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	290 if (is_compiled_frame() && false /is_at_mh_callsite()/) { // TODO PPC port
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	291 // If the sender PC is a deoptimization point, get the original
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	292 // PC. For MethodHandle call site the unextended_sp is stored in
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	293 // saved_fp.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	294 _unextended_sp = _fp - _cb->frame_size();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	295
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	296 #ifdef ASSERT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	297 nmethod *sender_nm = _cb->as_nmethod_or_null();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	298 assert(sender_nm && _sp == _unextended_sp, "backlink changed");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	299
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	300 intptr_t* sp = _unextended_sp; // check if stack can be walked from here
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	301 for (int x = 0; x < 5; ++x) { // check up to a couple of backlinks
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	302 intptr_t* prev_sp = (intptr_t*)sp;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	303 if (prev_sp == 0) break; // end of stack
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	304 assert(prev_sp>sp, "broken stack");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	305 sp = prev_sp;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	306 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	307
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	308 if (sender_nm->is_deopt_mh_entry(_pc)) { // checks for deoptimization
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	309 address original_pc = sender_nm->get_original_pc(this);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	310 assert(sender_nm->insts_contains(original_pc), "original PC must be in nmethod");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	311 assert(sender_nm->is_method_handle_return(original_pc), "must be");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	312 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	313 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	314 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	315 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	316
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	317 intptr_t *frame::initial_deoptimization_info() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	318 // unused... but returns fp() to minimize changes introduced by 7087445
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	319 return fp();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	320 }

Mercurial > hg > truffle

annotate src/cpu/ppc/vm/frame_ppc.cpp @ 17804:fd1b9f02cc91