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src/cpu/zero/vm/stubGenerator_zero.cpp@d83ac25d0304 (annotated)

src/cpu/zero/vm/stubGenerator_zero.cpp

Thu, 16 Jun 2011 13:46:55 -0700

author

never

date

Thu, 16 Jun 2011 13:46:55 -0700

changeset 2978

d83ac25d0304

parent 2314

f95d63e2154a

child 3136

c565834fb592

permissions

-rw-r--r--

7055355: JSR 292: crash while throwing WrongMethodTypeException
Reviewed-by: jrose, twisti, bdelsart

never@1445	1	/*
stefank@2314	2	* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
twisti@1814	3	* Copyright 2007, 2008, 2010 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 "asm/assembler.hpp"
stefank@2314	28	#include "assembler_zero.inline.hpp"
stefank@2314	29	#include "interpreter/interpreter.hpp"
stefank@2314	30	#include "nativeInst_zero.hpp"
stefank@2314	31	#include "oops/instanceOop.hpp"
stefank@2314	32	#include "oops/methodOop.hpp"
stefank@2314	33	#include "oops/objArrayKlass.hpp"
stefank@2314	34	#include "oops/oop.inline.hpp"
stefank@2314	35	#include "prims/methodHandles.hpp"
stefank@2314	36	#include "runtime/frame.inline.hpp"
stefank@2314	37	#include "runtime/handles.inline.hpp"
stefank@2314	38	#include "runtime/sharedRuntime.hpp"
stefank@2314	39	#include "runtime/stubCodeGenerator.hpp"
stefank@2314	40	#include "runtime/stubRoutines.hpp"
stefank@2314	41	#include "stack_zero.inline.hpp"
stefank@2314	42	#include "utilities/top.hpp"
stefank@2314	43	#ifdef TARGET_OS_FAMILY_linux
stefank@2314	44	# include "thread_linux.inline.hpp"
stefank@2314	45	#endif
stefank@2314	46	#ifdef COMPILER2
stefank@2314	47	#include "opto/runtime.hpp"
stefank@2314	48	#endif
never@1445	49
never@1445	50	// Declaration and definition of StubGenerator (no .hpp file).
never@1445	51	// For a more detailed description of the stub routine structure
never@1445	52	// see the comment in stubRoutines.hpp
never@1445	53
never@1445	54	class StubGenerator: public StubCodeGenerator {
never@1445	55	private:
never@1445	56	// The call stub is used to call Java from C
never@1445	57	static void call_stub(
never@1445	58	JavaCallWrapper *call_wrapper,
never@1445	59	intptr_t* result,
never@1445	60	BasicType result_type,
never@1445	61	methodOop method,
never@1445	62	address entry_point,
never@1445	63	intptr_t* parameters,
never@1445	64	int parameter_words,
never@1445	65	TRAPS) {
never@1445	66	JavaThread *thread = (JavaThread *) THREAD;
never@1445	67	ZeroStack *stack = thread->zero_stack();
never@1445	68
never@1445	69	// Make sure we have no pending exceptions
never@1445	70	assert(!HAS_PENDING_EXCEPTION, "call_stub called with pending exception");
never@1445	71
never@1445	72	// Set up the stack if necessary
never@1445	73	bool stack_needs_teardown = false;
never@1445	74	if (stack->needs_setup()) {
twisti@1866	75	size_t zero_stack_size = stack->suggest_size(thread);
never@1445	76	stack->setup(alloca(zero_stack_size), zero_stack_size);
never@1445	77	stack_needs_teardown = true;
never@1445	78	}
never@1445	79
never@1445	80	// Allocate and initialize our frame
twisti@1814	81	EntryFrame *frame =
twisti@1814	82	EntryFrame::build(parameters, parameter_words, call_wrapper, THREAD);
never@1445	83
twisti@1814	84	if (!HAS_PENDING_EXCEPTION) {
twisti@1814	85	// Push the frame
twisti@1814	86	thread->push_zero_frame(frame);
never@1445	87
twisti@1814	88	// Make the call
twisti@1814	89	Interpreter::invoke_method(method, entry_point, THREAD);
twisti@1814	90
twisti@1814	91	// Store the result
twisti@1814	92	if (!HAS_PENDING_EXCEPTION) {
twisti@1814	93	switch (result_type) {
twisti@1814	94	case T_INT:
twisti@1814	95	*(jint *) result = *(jint *) stack->sp();
twisti@1814	96	break;
twisti@1814	97	case T_LONG:
twisti@1814	98	*(jlong *) result = *(jlong *) stack->sp();
twisti@1814	99	break;
twisti@1814	100	case T_FLOAT:
twisti@1814	101	*(jfloat *) result = *(jfloat *) stack->sp();
twisti@1814	102	break;
twisti@1814	103	case T_DOUBLE:
twisti@1814	104	*(jdouble *) result = *(jdouble *) stack->sp();
twisti@1814	105	break;
twisti@1814	106	case T_OBJECT:
twisti@1814	107	*(oop *) result = *(oop *) stack->sp();
twisti@1814	108	break;
twisti@1814	109	default:
twisti@1814	110	ShouldNotReachHere();
twisti@1814	111	}
never@1445	112	}
twisti@1814	113
twisti@1814	114	// Unwind the frame
twisti@1814	115	thread->pop_zero_frame();
never@1445	116	}
never@1445	117
never@1445	118	// Tear down the stack if necessary
never@1445	119	if (stack_needs_teardown)
never@1445	120	stack->teardown();
never@1445	121	}
never@1445	122
never@1445	123	// These stubs get called from some dumb test routine.
never@1445	124	// I'll write them properly when they're called from
never@1445	125	// something that's actually doing something.
never@1445	126	static void fake_arraycopy_stub(address src, address dst, int count) {
never@1445	127	assert(count == 0, "huh?");
never@1445	128	}
never@1445	129
never@1445	130	void generate_arraycopy_stubs() {
never@1445	131	// Call the conjoint generation methods immediately after
never@1445	132	// the disjoint ones so that short branches from the former
never@1445	133	// to the latter can be generated.
never@1445	134	StubRoutines::_jbyte_disjoint_arraycopy = (address) fake_arraycopy_stub;
never@1445	135	StubRoutines::_jbyte_arraycopy = (address) fake_arraycopy_stub;
never@1445	136
never@1445	137	StubRoutines::_jshort_disjoint_arraycopy = (address) fake_arraycopy_stub;
never@1445	138	StubRoutines::_jshort_arraycopy = (address) fake_arraycopy_stub;
never@1445	139
never@1445	140	StubRoutines::_jint_disjoint_arraycopy = (address) fake_arraycopy_stub;
never@1445	141	StubRoutines::_jint_arraycopy = (address) fake_arraycopy_stub;
never@1445	142
never@1445	143	StubRoutines::_jlong_disjoint_arraycopy = (address) fake_arraycopy_stub;
never@1445	144	StubRoutines::_jlong_arraycopy = (address) fake_arraycopy_stub;
never@1445	145
never@1445	146	StubRoutines::_oop_disjoint_arraycopy = ShouldNotCallThisStub();
never@1445	147	StubRoutines::_oop_arraycopy = ShouldNotCallThisStub();
never@1445	148
never@1445	149	StubRoutines::_checkcast_arraycopy = ShouldNotCallThisStub();
never@1445	150	StubRoutines::_unsafe_arraycopy = ShouldNotCallThisStub();
never@1445	151	StubRoutines::_generic_arraycopy = ShouldNotCallThisStub();
never@1445	152
never@1445	153	// We don't generate specialized code for HeapWord-aligned source
never@1445	154	// arrays, so just use the code we've already generated
never@1445	155	StubRoutines::_arrayof_jbyte_disjoint_arraycopy =
never@1445	156	StubRoutines::_jbyte_disjoint_arraycopy;
never@1445	157	StubRoutines::_arrayof_jbyte_arraycopy =
never@1445	158	StubRoutines::_jbyte_arraycopy;
never@1445	159
never@1445	160	StubRoutines::_arrayof_jshort_disjoint_arraycopy =
never@1445	161	StubRoutines::_jshort_disjoint_arraycopy;
never@1445	162	StubRoutines::_arrayof_jshort_arraycopy =
never@1445	163	StubRoutines::_jshort_arraycopy;
never@1445	164
never@1445	165	StubRoutines::_arrayof_jint_disjoint_arraycopy =
never@1445	166	StubRoutines::_jint_disjoint_arraycopy;
never@1445	167	StubRoutines::_arrayof_jint_arraycopy =
never@1445	168	StubRoutines::_jint_arraycopy;
never@1445	169
never@1445	170	StubRoutines::_arrayof_jlong_disjoint_arraycopy =
never@1445	171	StubRoutines::_jlong_disjoint_arraycopy;
never@1445	172	StubRoutines::_arrayof_jlong_arraycopy =
never@1445	173	StubRoutines::_jlong_arraycopy;
never@1445	174
never@1445	175	StubRoutines::_arrayof_oop_disjoint_arraycopy =
never@1445	176	StubRoutines::_oop_disjoint_arraycopy;
never@1445	177	StubRoutines::_arrayof_oop_arraycopy =
never@1445	178	StubRoutines::_oop_arraycopy;
never@1445	179	}
never@1445	180
never@1445	181	void generate_initial() {
never@1445	182	// Generates all stubs and initializes the entry points
never@1445	183
never@1445	184	// entry points that exist in all platforms Note: This is code
never@1445	185	// that could be shared among different platforms - however the
never@1445	186	// benefit seems to be smaller than the disadvantage of having a
never@1445	187	// much more complicated generator structure. See also comment in
never@1445	188	// stubRoutines.hpp.
never@1445	189
never@1445	190	StubRoutines::_forward_exception_entry = ShouldNotCallThisStub();
never@1445	191	StubRoutines::_call_stub_entry = (address) call_stub;
never@1445	192	StubRoutines::_catch_exception_entry = ShouldNotCallThisStub();
never@1445	193
never@1445	194	// atomic calls
never@1445	195	StubRoutines::_atomic_xchg_entry = ShouldNotCallThisStub();
never@1445	196	StubRoutines::_atomic_xchg_ptr_entry = ShouldNotCallThisStub();
never@1445	197	StubRoutines::_atomic_cmpxchg_entry = ShouldNotCallThisStub();
never@1445	198	StubRoutines::_atomic_cmpxchg_ptr_entry = ShouldNotCallThisStub();
never@1445	199	StubRoutines::_atomic_cmpxchg_long_entry = ShouldNotCallThisStub();
never@1445	200	StubRoutines::_atomic_add_entry = ShouldNotCallThisStub();
never@1445	201	StubRoutines::_atomic_add_ptr_entry = ShouldNotCallThisStub();
never@1445	202	StubRoutines::_fence_entry = ShouldNotCallThisStub();
never@1445	203
never@1445	204	// amd64 does this here, sparc does it in generate_all()
never@1445	205	StubRoutines::_handler_for_unsafe_access_entry =
never@1445	206	ShouldNotCallThisStub();
never@1445	207	}
never@1445	208
never@1445	209	void generate_all() {
never@1445	210	// Generates all stubs and initializes the entry points
never@1445	211
never@1445	212	// These entry points require SharedInfo::stack0 to be set up in
never@1445	213	// non-core builds and need to be relocatable, so they each
never@1445	214	// fabricate a RuntimeStub internally.
never@1445	215	StubRoutines::_throw_AbstractMethodError_entry =
never@1445	216	ShouldNotCallThisStub();
never@1445	217
never@1445	218	StubRoutines::_throw_ArithmeticException_entry =
never@1445	219	ShouldNotCallThisStub();
never@1445	220
never@1445	221	StubRoutines::_throw_NullPointerException_entry =
never@1445	222	ShouldNotCallThisStub();
never@1445	223
never@1445	224	StubRoutines::_throw_NullPointerException_at_call_entry =
never@1445	225	ShouldNotCallThisStub();
never@1445	226
never@1445	227	StubRoutines::_throw_StackOverflowError_entry =
never@1445	228	ShouldNotCallThisStub();
never@1445	229
never@1445	230	// support for verify_oop (must happen after universe_init)
never@1445	231	StubRoutines::_verify_oop_subroutine_entry =
never@1445	232	ShouldNotCallThisStub();
never@1445	233
never@1445	234	// arraycopy stubs used by compilers
never@1445	235	generate_arraycopy_stubs();
never@1445	236	}
never@1445	237
never@1445	238	public:
never@1445	239	StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) {
never@1445	240	if (all) {
never@1445	241	generate_all();
never@1445	242	} else {
never@1445	243	generate_initial();
never@1445	244	}
never@1445	245	}
never@1445	246	};
never@1445	247
never@1445	248	void StubGenerator_generate(CodeBuffer* code, bool all) {
never@1445	249	StubGenerator g(code, all);
never@1445	250	}
never@1445	251
twisti@1814	252	EntryFrame *EntryFrame::build(const intptr_t* parameters,
never@1445	253	int parameter_words,
twisti@1814	254	JavaCallWrapper* call_wrapper,
twisti@1814	255	TRAPS) {
twisti@1814	256
twisti@1814	257	ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack();
twisti@1814	258	stack->overflow_check(header_words + parameter_words, CHECK_NULL);
never@1445	259
never@1445	260	stack->push(0); // next_frame, filled in later
never@1445	261	intptr_t *fp = stack->sp();
never@1445	262	assert(fp - stack->sp() == next_frame_off, "should be");
never@1445	263
never@1445	264	stack->push(ENTRY_FRAME);
never@1445	265	assert(fp - stack->sp() == frame_type_off, "should be");
never@1445	266
never@1445	267	stack->push((intptr_t) call_wrapper);
never@1445	268	assert(fp - stack->sp() == call_wrapper_off, "should be");
never@1445	269
never@1445	270	for (int i = 0; i < parameter_words; i++)
never@1445	271	stack->push(parameters[i]);
never@1445	272
never@1445	273	return (EntryFrame *) fp;
never@1445	274	}