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src/cpu/zero/vm/frame_zero.cpp@a3142bdb6707 (annotated)

src/cpu/zero/vm/frame_zero.cpp

Mon, 08 Aug 2011 05:49:04 -0700

author

twisti

date

Mon, 08 Aug 2011 05:49:04 -0700

changeset 3045

a3142bdb6707

parent 2314

f95d63e2154a

child 3130

5432047c7db7

permissions

-rw-r--r--

7071823: Zero: zero/shark doesn't build after b147-fcs
Reviewed-by: gbenson, twisti
Contributed-by: Chris Phillips <chphilli@redhat.com>

never@1445	1	/*
stefank@2314	2	* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
twisti@3045	3	* Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
never@1445	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1445	5	*
never@1445	6	* This code is free software; you can redistribute it and/or modify it
never@1445	7	* under the terms of the GNU General Public License version 2 only, as
never@1445	8	* published by the Free Software Foundation.
never@1445	9	*
never@1445	10	* This code is distributed in the hope that it will be useful, but WITHOUT
never@1445	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1445	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@1445	13	* version 2 for more details (a copy is included in the LICENSE file that
never@1445	14	* accompanied this code).
never@1445	15	*
never@1445	16	* You should have received a copy of the GNU General Public License version
never@1445	17	* 2 along with this work; if not, write to the Free Software Foundation,
never@1445	18	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1445	19	*
trims@1907	20	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	21	* or visit www.oracle.com if you need additional information or have any
trims@1907	22	* questions.
never@1445	23	*
never@1445	24	*/
never@1445	25
stefank@2314	26	#include "precompiled.hpp"
stefank@2314	27	#include "code/scopeDesc.hpp"
stefank@2314	28	#include "interpreter/interpreter.hpp"
stefank@2314	29	#include "interpreter/interpreterRuntime.hpp"
stefank@2314	30	#include "memory/resourceArea.hpp"
stefank@2314	31	#include "oops/markOop.hpp"
stefank@2314	32	#include "oops/methodOop.hpp"
stefank@2314	33	#include "oops/oop.inline.hpp"
stefank@2314	34	#include "runtime/frame.inline.hpp"
stefank@2314	35	#include "runtime/handles.inline.hpp"
stefank@2314	36	#include "runtime/javaCalls.hpp"
stefank@2314	37	#include "runtime/monitorChunk.hpp"
stefank@2314	38	#include "runtime/signature.hpp"
stefank@2314	39	#include "runtime/stubCodeGenerator.hpp"
stefank@2314	40	#include "runtime/stubRoutines.hpp"
stefank@2314	41	#include "vmreg_zero.inline.hpp"
stefank@2314	42	#ifdef COMPILER1
stefank@2314	43	#include "c1/c1_Runtime1.hpp"
stefank@2314	44	#include "runtime/vframeArray.hpp"
stefank@2314	45	#endif
never@1445	46
never@1445	47	#ifdef ASSERT
never@1445	48	void RegisterMap::check_location_valid() {
never@1445	49	ShouldNotCallThis();
never@1445	50	}
never@1445	51	#endif
never@1445	52
never@1445	53	bool frame::is_interpreted_frame() const {
never@1445	54	return zeroframe()->is_interpreter_frame();
never@1445	55	}
never@1445	56
twisti@1867	57	bool frame::is_fake_stub_frame() const {
twisti@1867	58	return zeroframe()->is_fake_stub_frame();
twisti@1867	59	}
twisti@1867	60
never@1445	61	frame frame::sender_for_entry_frame(RegisterMap *map) const {
twisti@1513	62	assert(zeroframe()->is_entry_frame(), "wrong type of frame");
never@1445	63	assert(map != NULL, "map must be set");
never@1445	64	assert(!entry_frame_is_first(), "next Java fp must be non zero");
never@1445	65	assert(entry_frame_call_wrapper()->anchor()->last_Java_sp() == sender_sp(),
never@1445	66	"sender should be next Java frame");
never@1445	67	map->clear();
never@1445	68	assert(map->include_argument_oops(), "should be set by clear");
twisti@1860	69	return frame(zeroframe()->next(), sender_sp());
never@1445	70	}
never@1445	71
twisti@1513	72	frame frame::sender_for_nonentry_frame(RegisterMap *map) const {
twisti@1513	73	assert(zeroframe()->is_interpreter_frame() ||
twisti@1513	74	zeroframe()->is_shark_frame() ||
twisti@1513	75	zeroframe()->is_fake_stub_frame(), "wrong type of frame");
twisti@1860	76	return frame(zeroframe()->next(), sender_sp());
never@1445	77	}
never@1445	78
never@1445	79	frame frame::sender(RegisterMap* map) const {
never@1445	80	// Default is not to follow arguments; the various
never@1445	81	// sender_for_xxx methods update this accordingly.
never@1445	82	map->set_include_argument_oops(false);
never@1445	83
never@1445	84	if (is_entry_frame())
never@1445	85	return sender_for_entry_frame(map);
twisti@1513	86	else
twisti@1513	87	return sender_for_nonentry_frame(map);
never@1445	88	}
never@1445	89
never@1445	90	#ifdef CC_INTERP
never@1445	91	BasicObjectLock* frame::interpreter_frame_monitor_begin() const {
never@1445	92	return get_interpreterState()->monitor_base();
never@1445	93	}
never@1445	94
never@1445	95	BasicObjectLock* frame::interpreter_frame_monitor_end() const {
never@1445	96	return (BasicObjectLock*) get_interpreterState()->stack_base();
never@1445	97	}
never@1445	98	#endif // CC_INTERP
never@1445	99
never@1445	100	void frame::patch_pc(Thread* thread, address pc) {
never@1445	101	// We borrow this call to set the thread pointer in the interpreter
never@1445	102	// state; the hook to set up deoptimized frames isn't supplied it.
never@1445	103	assert(pc == NULL, "should be");
never@1445	104	get_interpreterState()->set_thread((JavaThread *) thread);
never@1445	105	}
never@1445	106
never@1445	107	bool frame::safe_for_sender(JavaThread *thread) {
never@1445	108	ShouldNotCallThis();
never@1445	109	}
never@1445	110
never@1445	111	void frame::pd_gc_epilog() {
never@1445	112	}
never@1445	113
never@1445	114	bool frame::is_interpreted_frame_valid(JavaThread *thread) const {
never@1445	115	ShouldNotCallThis();
never@1445	116	}
never@1445	117
never@1445	118	BasicType frame::interpreter_frame_result(oop* oop_result,
never@1445	119	jvalue* value_result) {
never@1445	120	assert(is_interpreted_frame(), "interpreted frame expected");
never@1445	121	methodOop method = interpreter_frame_method();
never@1445	122	BasicType type = method->result_type();
never@1445	123	intptr_t* tos_addr = (intptr_t *) interpreter_frame_tos_address();
never@1445	124	oop obj;
never@1445	125
never@1445	126	switch (type) {
never@1445	127	case T_VOID:
never@1445	128	break;
never@1445	129	case T_BOOLEAN:
never@1445	130	value_result->z = *(jboolean *) tos_addr;
never@1445	131	break;
never@1445	132	case T_BYTE:
never@1445	133	value_result->b = *(jbyte *) tos_addr;
never@1445	134	break;
never@1445	135	case T_CHAR:
never@1445	136	value_result->c = *(jchar *) tos_addr;
never@1445	137	break;
never@1445	138	case T_SHORT:
never@1445	139	value_result->s = *(jshort *) tos_addr;
never@1445	140	break;
never@1445	141	case T_INT:
never@1445	142	value_result->i = *(jint *) tos_addr;
never@1445	143	break;
never@1445	144	case T_LONG:
never@1445	145	value_result->j = *(jlong *) tos_addr;
never@1445	146	break;
never@1445	147	case T_FLOAT:
never@1445	148	value_result->f = *(jfloat *) tos_addr;
never@1445	149	break;
never@1445	150	case T_DOUBLE:
never@1445	151	value_result->d = *(jdouble *) tos_addr;
never@1445	152	break;
never@1445	153
never@1445	154	case T_OBJECT:
never@1445	155	case T_ARRAY:
never@1445	156	if (method->is_native()) {
never@1445	157	obj = get_interpreterState()->oop_temp();
never@1445	158	}
never@1445	159	else {
never@1445	160	oop* obj_p = (oop *) tos_addr;
never@1445	161	obj = (obj_p == NULL) ? (oop) NULL : *obj_p;
never@1445	162	}
never@1445	163	assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check");
never@1445	164	*oop_result = obj;
never@1445	165	break;
never@1445	166
never@1445	167	default:
never@1445	168	ShouldNotReachHere();
never@1445	169	}
never@1445	170
never@1445	171	return type;
never@1445	172	}
never@1445	173
never@1445	174	int frame::frame_size(RegisterMap* map) const {
never@1445	175	#ifdef PRODUCT
never@1445	176	ShouldNotCallThis();
never@1445	177	#else
never@1445	178	return 0; // make javaVFrame::print_value work
never@1445	179	#endif // PRODUCT
never@1445	180	}
never@1445	181
never@1445	182	intptr_t* frame::interpreter_frame_tos_at(jint offset) const {
never@1445	183	int index = (Interpreter::expr_offset_in_bytes(offset) / wordSize);
never@1445	184	return &interpreter_frame_tos_address()[index];
never@1445	185	}
never@1445	186
never@1445	187	void frame::zero_print_on_error(int frame_index,
never@1445	188	outputStream* st,
never@1445	189	char* buf,
never@1445	190	int buflen) const {
never@1445	191	// Divide the buffer between the field and the value
never@1445	192	buflen >>= 1;
never@1445	193	char *fieldbuf = buf;
never@1445	194	char *valuebuf = buf + buflen;
never@1445	195
never@1445	196	// Print each word of the frame
twisti@1860	197	for (intptr_t *addr = sp(); addr <= fp(); addr++) {
twisti@1860	198	int offset = fp() - addr;
never@1445	199
never@1445	200	// Fill in default values, then try and improve them
never@1445	201	snprintf(fieldbuf, buflen, "word[%d]", offset);
never@1445	202	snprintf(valuebuf, buflen, PTR_FORMAT, *addr);
never@1445	203	zeroframe()->identify_word(frame_index, offset, fieldbuf, valuebuf, buflen);
never@1445	204	fieldbuf[buflen - 1] = '\0';
never@1445	205	valuebuf[buflen - 1] = '\0';
never@1445	206
never@1445	207	// Print the result
never@1445	208	st->print_cr(" " PTR_FORMAT ": %-21s = %s", addr, fieldbuf, valuebuf);
never@1445	209	}
never@1445	210	}
never@1445	211
never@1445	212	void ZeroFrame::identify_word(int frame_index,
never@1445	213	int offset,
never@1445	214	char* fieldbuf,
never@1445	215	char* valuebuf,
never@1445	216	int buflen) const {
never@1445	217	switch (offset) {
never@1445	218	case next_frame_off:
never@1445	219	strncpy(fieldbuf, "next_frame", buflen);
never@1445	220	break;
never@1445	221
never@1445	222	case frame_type_off:
never@1445	223	strncpy(fieldbuf, "frame_type", buflen);
never@1445	224	if (is_entry_frame())
never@1445	225	strncpy(valuebuf, "ENTRY_FRAME", buflen);
never@1445	226	else if (is_interpreter_frame())
never@1445	227	strncpy(valuebuf, "INTERPRETER_FRAME", buflen);
never@1445	228	else if (is_shark_frame())
never@1445	229	strncpy(valuebuf, "SHARK_FRAME", buflen);
never@1445	230	else if (is_fake_stub_frame())
never@1445	231	strncpy(valuebuf, "FAKE_STUB_FRAME", buflen);
never@1445	232	break;
never@1445	233
never@1445	234	default:
never@1445	235	if (is_entry_frame()) {
never@1445	236	as_entry_frame()->identify_word(
never@1445	237	frame_index, offset, fieldbuf, valuebuf, buflen);
never@1445	238	}
never@1445	239	else if (is_interpreter_frame()) {
never@1445	240	as_interpreter_frame()->identify_word(
never@1445	241	frame_index, offset, fieldbuf, valuebuf, buflen);
never@1445	242	}
never@1445	243	else if (is_shark_frame()) {
never@1445	244	as_shark_frame()->identify_word(
never@1445	245	frame_index, offset, fieldbuf, valuebuf, buflen);
never@1445	246	}
never@1445	247	else if (is_fake_stub_frame()) {
never@1445	248	as_fake_stub_frame()->identify_word(
never@1445	249	frame_index, offset, fieldbuf, valuebuf, buflen);
never@1445	250	}
never@1445	251	}
never@1445	252	}
never@1445	253
never@1445	254	void EntryFrame::identify_word(int frame_index,
never@1445	255	int offset,
never@1445	256	char* fieldbuf,
never@1445	257	char* valuebuf,
never@1445	258	int buflen) const {
never@1445	259	switch (offset) {
never@1445	260	case call_wrapper_off:
never@1445	261	strncpy(fieldbuf, "call_wrapper", buflen);
never@1445	262	break;
never@1445	263
never@1445	264	default:
never@1445	265	snprintf(fieldbuf, buflen, "local[%d]", offset - 3);
never@1445	266	}
never@1445	267	}
never@1445	268
never@1445	269	void InterpreterFrame::identify_word(int frame_index,
never@1445	270	int offset,
never@1445	271	char* fieldbuf,
never@1445	272	char* valuebuf,
never@1445	273	int buflen) const {
never@1445	274	interpreterState istate = interpreter_state();
never@1445	275	bool is_valid = istate->self_link() == istate;
never@1445	276	intptr_t *addr = addr_of_word(offset);
never@1445	277
never@1445	278	// Fixed part
never@1445	279	if (addr >= (intptr_t *) istate) {
never@1445	280	const char *field = istate->name_of_field_at_address((address) addr);
never@1445	281	if (field) {
never@1445	282	if (is_valid && !strcmp(field, "_method")) {
never@1445	283	istate->method()->name_and_sig_as_C_string(valuebuf, buflen);
never@1445	284	}
never@1445	285	else if (is_valid && !strcmp(field, "_bcp") && istate->bcp()) {
never@1445	286	snprintf(valuebuf, buflen, PTR_FORMAT " (bci %d)",
never@1445	287	(intptr_t) istate->bcp(),
never@1445	288	istate->method()->bci_from(istate->bcp()));
never@1445	289	}
never@1445	290	snprintf(fieldbuf, buflen, "%sistate->%s",
never@1445	291	field[strlen(field) - 1] == ')' ? "(": "", field);
never@1445	292	}
never@1445	293	else if (addr == (intptr_t *) istate) {
never@1445	294	strncpy(fieldbuf, "(vtable for istate)", buflen);
never@1445	295	}
never@1445	296	return;
never@1445	297	}
never@1445	298
never@1445	299	// Variable part
never@1445	300	if (!is_valid)
never@1445	301	return;
never@1445	302
never@1445	303	// JNI stuff
never@1445	304	if (istate->method()->is_native() && addr < istate->stack_base()) {
never@1445	305	address hA = istate->method()->signature_handler();
never@1445	306	if (hA != NULL) {
never@1445	307	if (hA != (address) InterpreterRuntime::slow_signature_handler) {
never@1445	308	InterpreterRuntime::SignatureHandler *handler =
never@1445	309	InterpreterRuntime::SignatureHandler::from_handlerAddr(hA);
never@1445	310
never@1445	311	intptr_t *params = istate->stack_base() - handler->argument_count();
never@1445	312	if (addr >= params) {
never@1445	313	int param = addr - params;
never@1445	314	const char *desc = "";
never@1445	315	if (param == 0)
never@1445	316	desc = " (JNIEnv)";
never@1445	317	else if (param == 1) {
never@1445	318	if (istate->method()->is_static())
never@1445	319	desc = " (mirror)";
never@1445	320	else
never@1445	321	desc = " (this)";
never@1445	322	}
never@1445	323	snprintf(fieldbuf, buflen, "parameter[%d]%s", param, desc);
never@1445	324	return;
never@1445	325	}
never@1445	326
never@1445	327	for (int i = 0; i < handler->argument_count(); i++) {
never@1445	328	if (params[i] == (intptr_t) addr) {
never@1445	329	snprintf(fieldbuf, buflen, "unboxed parameter[%d]", i);
never@1445	330	return;
never@1445	331	}
never@1445	332	}
never@1445	333	}
never@1445	334	}
never@1445	335	return;
never@1445	336	}
never@1445	337
never@1445	338	// Monitors and stack
never@1445	339	identify_vp_word(frame_index, addr,
never@1445	340	(intptr_t *) istate->monitor_base(),
never@1445	341	istate->stack_base(),
never@1445	342	fieldbuf, buflen);
never@1445	343	}
never@1445	344
never@1445	345	void SharkFrame::identify_word(int frame_index,
never@1445	346	int offset,
never@1445	347	char* fieldbuf,
never@1445	348	char* valuebuf,
never@1445	349	int buflen) const {
never@1445	350	// Fixed part
never@1445	351	switch (offset) {
never@1445	352	case pc_off:
never@1445	353	strncpy(fieldbuf, "pc", buflen);
never@1445	354	if (method()->is_oop()) {
never@1445	355	nmethod *code = method()->code();
never@1445	356	if (code && code->pc_desc_at(pc())) {
never@1445	357	SimpleScopeDesc ssd(code, pc());
never@1445	358	snprintf(valuebuf, buflen, PTR_FORMAT " (bci %d)",
never@1445	359	(intptr_t) pc(), ssd.bci());
never@1445	360	}
never@1445	361	}
never@1445	362	return;
never@1445	363
never@1445	364	case unextended_sp_off:
never@1445	365	strncpy(fieldbuf, "unextended_sp", buflen);
never@1445	366	return;
never@1445	367
never@1445	368	case method_off:
never@1445	369	strncpy(fieldbuf, "method", buflen);
never@1445	370	if (method()->is_oop()) {
never@1445	371	method()->name_and_sig_as_C_string(valuebuf, buflen);
never@1445	372	}
never@1445	373	return;
never@1445	374
never@1445	375	case oop_tmp_off:
never@1445	376	strncpy(fieldbuf, "oop_tmp", buflen);
never@1445	377	return;
never@1445	378	}
never@1445	379
never@1445	380	// Variable part
never@1445	381	if (method()->is_oop()) {
never@1445	382	identify_vp_word(frame_index, addr_of_word(offset),
never@1445	383	addr_of_word(header_words + 1),
never@1445	384	unextended_sp() + method()->max_stack(),
never@1445	385	fieldbuf, buflen);
never@1445	386	}
never@1445	387	}
never@1445	388
never@1445	389	void ZeroFrame::identify_vp_word(int frame_index,
never@1445	390	intptr_t* addr,
never@1445	391	intptr_t* monitor_base,
never@1445	392	intptr_t* stack_base,
never@1445	393	char* fieldbuf,
never@1445	394	int buflen) const {
never@1445	395	// Monitors
never@1445	396	if (addr >= stack_base && addr < monitor_base) {
never@1445	397	int monitor_size = frame::interpreter_frame_monitor_size();
never@1445	398	int last_index = (monitor_base - stack_base) / monitor_size - 1;
never@1445	399	int index = last_index - (addr - stack_base) / monitor_size;
never@1445	400	intptr_t monitor = (intptr_t) (
never@1445	401	(BasicObjectLock *) monitor_base - 1 - index);
never@1445	402	intptr_t offset = (intptr_t) addr - monitor;
never@1445	403
never@1445	404	if (offset == BasicObjectLock::obj_offset_in_bytes())
never@1445	405	snprintf(fieldbuf, buflen, "monitor[%d]->_obj", index);
never@1445	406	else if (offset == BasicObjectLock::lock_offset_in_bytes())
never@1445	407	snprintf(fieldbuf, buflen, "monitor[%d]->_lock", index);
never@1445	408
never@1445	409	return;
never@1445	410	}
never@1445	411
never@1445	412	// Expression stack
never@1445	413	if (addr < stack_base) {
never@1445	414	snprintf(fieldbuf, buflen, "%s[%d]",
never@1445	415	frame_index == 0 ? "stack_word" : "local",
never@1445	416	(int) (stack_base - addr - 1));
never@1445	417	return;
never@1445	418	}
never@1445	419	}
twisti@3045	420
twisti@3045	421	#ifdef ASSERT
twisti@3045	422
twisti@3045	423	void frame::describe_pd(FrameValues& values, int frame_no) {
twisti@3045	424
twisti@3045	425	}
twisti@3045	426
twisti@3045	427	#endif