Tue, 23 Nov 2010 13:22:55 -0800
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
1 /*
2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2007, 2008, 2010 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
26 #include "precompiled.hpp"
27 #include "asm/assembler.hpp"
28 #include "assembler_zero.inline.hpp"
29 #include "interpreter/interpreter.hpp"
30 #include "nativeInst_zero.hpp"
31 #include "oops/instanceOop.hpp"
32 #include "oops/methodOop.hpp"
33 #include "oops/objArrayKlass.hpp"
34 #include "oops/oop.inline.hpp"
35 #include "prims/methodHandles.hpp"
36 #include "runtime/frame.inline.hpp"
37 #include "runtime/handles.inline.hpp"
38 #include "runtime/sharedRuntime.hpp"
39 #include "runtime/stubCodeGenerator.hpp"
40 #include "runtime/stubRoutines.hpp"
41 #include "stack_zero.inline.hpp"
42 #include "utilities/top.hpp"
43 #ifdef TARGET_OS_FAMILY_linux
44 # include "thread_linux.inline.hpp"
45 #endif
46 #ifdef COMPILER2
47 #include "opto/runtime.hpp"
48 #endif
50 // Declaration and definition of StubGenerator (no .hpp file).
51 // For a more detailed description of the stub routine structure
52 // see the comment in stubRoutines.hpp
54 class StubGenerator: public StubCodeGenerator {
55 private:
56 // The call stub is used to call Java from C
57 static void call_stub(
58 JavaCallWrapper *call_wrapper,
59 intptr_t* result,
60 BasicType result_type,
61 methodOop method,
62 address entry_point,
63 intptr_t* parameters,
64 int parameter_words,
65 TRAPS) {
66 JavaThread *thread = (JavaThread *) THREAD;
67 ZeroStack *stack = thread->zero_stack();
69 // Make sure we have no pending exceptions
70 assert(!HAS_PENDING_EXCEPTION, "call_stub called with pending exception");
72 // Set up the stack if necessary
73 bool stack_needs_teardown = false;
74 if (stack->needs_setup()) {
75 size_t zero_stack_size = stack->suggest_size(thread);
76 stack->setup(alloca(zero_stack_size), zero_stack_size);
77 stack_needs_teardown = true;
78 }
80 // Allocate and initialize our frame
81 EntryFrame *frame =
82 EntryFrame::build(parameters, parameter_words, call_wrapper, THREAD);
84 if (!HAS_PENDING_EXCEPTION) {
85 // Push the frame
86 thread->push_zero_frame(frame);
88 // Make the call
89 Interpreter::invoke_method(method, entry_point, THREAD);
91 // Store the result
92 if (!HAS_PENDING_EXCEPTION) {
93 switch (result_type) {
94 case T_INT:
95 *(jint *) result = *(jint *) stack->sp();
96 break;
97 case T_LONG:
98 *(jlong *) result = *(jlong *) stack->sp();
99 break;
100 case T_FLOAT:
101 *(jfloat *) result = *(jfloat *) stack->sp();
102 break;
103 case T_DOUBLE:
104 *(jdouble *) result = *(jdouble *) stack->sp();
105 break;
106 case T_OBJECT:
107 *(oop *) result = *(oop *) stack->sp();
108 break;
109 default:
110 ShouldNotReachHere();
111 }
112 }
114 // Unwind the frame
115 thread->pop_zero_frame();
116 }
118 // Tear down the stack if necessary
119 if (stack_needs_teardown)
120 stack->teardown();
121 }
123 // These stubs get called from some dumb test routine.
124 // I'll write them properly when they're called from
125 // something that's actually doing something.
126 static void fake_arraycopy_stub(address src, address dst, int count) {
127 assert(count == 0, "huh?");
128 }
130 void generate_arraycopy_stubs() {
131 // Call the conjoint generation methods immediately after
132 // the disjoint ones so that short branches from the former
133 // to the latter can be generated.
134 StubRoutines::_jbyte_disjoint_arraycopy = (address) fake_arraycopy_stub;
135 StubRoutines::_jbyte_arraycopy = (address) fake_arraycopy_stub;
137 StubRoutines::_jshort_disjoint_arraycopy = (address) fake_arraycopy_stub;
138 StubRoutines::_jshort_arraycopy = (address) fake_arraycopy_stub;
140 StubRoutines::_jint_disjoint_arraycopy = (address) fake_arraycopy_stub;
141 StubRoutines::_jint_arraycopy = (address) fake_arraycopy_stub;
143 StubRoutines::_jlong_disjoint_arraycopy = (address) fake_arraycopy_stub;
144 StubRoutines::_jlong_arraycopy = (address) fake_arraycopy_stub;
146 StubRoutines::_oop_disjoint_arraycopy = ShouldNotCallThisStub();
147 StubRoutines::_oop_arraycopy = ShouldNotCallThisStub();
149 StubRoutines::_checkcast_arraycopy = ShouldNotCallThisStub();
150 StubRoutines::_unsafe_arraycopy = ShouldNotCallThisStub();
151 StubRoutines::_generic_arraycopy = ShouldNotCallThisStub();
153 // We don't generate specialized code for HeapWord-aligned source
154 // arrays, so just use the code we've already generated
155 StubRoutines::_arrayof_jbyte_disjoint_arraycopy =
156 StubRoutines::_jbyte_disjoint_arraycopy;
157 StubRoutines::_arrayof_jbyte_arraycopy =
158 StubRoutines::_jbyte_arraycopy;
160 StubRoutines::_arrayof_jshort_disjoint_arraycopy =
161 StubRoutines::_jshort_disjoint_arraycopy;
162 StubRoutines::_arrayof_jshort_arraycopy =
163 StubRoutines::_jshort_arraycopy;
165 StubRoutines::_arrayof_jint_disjoint_arraycopy =
166 StubRoutines::_jint_disjoint_arraycopy;
167 StubRoutines::_arrayof_jint_arraycopy =
168 StubRoutines::_jint_arraycopy;
170 StubRoutines::_arrayof_jlong_disjoint_arraycopy =
171 StubRoutines::_jlong_disjoint_arraycopy;
172 StubRoutines::_arrayof_jlong_arraycopy =
173 StubRoutines::_jlong_arraycopy;
175 StubRoutines::_arrayof_oop_disjoint_arraycopy =
176 StubRoutines::_oop_disjoint_arraycopy;
177 StubRoutines::_arrayof_oop_arraycopy =
178 StubRoutines::_oop_arraycopy;
179 }
181 void generate_initial() {
182 // Generates all stubs and initializes the entry points
184 // entry points that exist in all platforms Note: This is code
185 // that could be shared among different platforms - however the
186 // benefit seems to be smaller than the disadvantage of having a
187 // much more complicated generator structure. See also comment in
188 // stubRoutines.hpp.
190 StubRoutines::_forward_exception_entry = ShouldNotCallThisStub();
191 StubRoutines::_call_stub_entry = (address) call_stub;
192 StubRoutines::_catch_exception_entry = ShouldNotCallThisStub();
194 // atomic calls
195 StubRoutines::_atomic_xchg_entry = ShouldNotCallThisStub();
196 StubRoutines::_atomic_xchg_ptr_entry = ShouldNotCallThisStub();
197 StubRoutines::_atomic_cmpxchg_entry = ShouldNotCallThisStub();
198 StubRoutines::_atomic_cmpxchg_ptr_entry = ShouldNotCallThisStub();
199 StubRoutines::_atomic_cmpxchg_long_entry = ShouldNotCallThisStub();
200 StubRoutines::_atomic_add_entry = ShouldNotCallThisStub();
201 StubRoutines::_atomic_add_ptr_entry = ShouldNotCallThisStub();
202 StubRoutines::_fence_entry = ShouldNotCallThisStub();
204 // amd64 does this here, sparc does it in generate_all()
205 StubRoutines::_handler_for_unsafe_access_entry =
206 ShouldNotCallThisStub();
207 }
209 void generate_all() {
210 // Generates all stubs and initializes the entry points
212 // These entry points require SharedInfo::stack0 to be set up in
213 // non-core builds and need to be relocatable, so they each
214 // fabricate a RuntimeStub internally.
215 StubRoutines::_throw_AbstractMethodError_entry =
216 ShouldNotCallThisStub();
218 StubRoutines::_throw_ArithmeticException_entry =
219 ShouldNotCallThisStub();
221 StubRoutines::_throw_NullPointerException_entry =
222 ShouldNotCallThisStub();
224 StubRoutines::_throw_NullPointerException_at_call_entry =
225 ShouldNotCallThisStub();
227 StubRoutines::_throw_StackOverflowError_entry =
228 ShouldNotCallThisStub();
230 // support for verify_oop (must happen after universe_init)
231 StubRoutines::_verify_oop_subroutine_entry =
232 ShouldNotCallThisStub();
234 // arraycopy stubs used by compilers
235 generate_arraycopy_stubs();
236 }
238 public:
239 StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) {
240 if (all) {
241 generate_all();
242 } else {
243 generate_initial();
244 }
245 }
246 };
248 void StubGenerator_generate(CodeBuffer* code, bool all) {
249 StubGenerator g(code, all);
250 }
252 EntryFrame *EntryFrame::build(const intptr_t* parameters,
253 int parameter_words,
254 JavaCallWrapper* call_wrapper,
255 TRAPS) {
257 ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack();
258 stack->overflow_check(header_words + parameter_words, CHECK_NULL);
260 stack->push(0); // next_frame, filled in later
261 intptr_t *fp = stack->sp();
262 assert(fp - stack->sp() == next_frame_off, "should be");
264 stack->push(ENTRY_FRAME);
265 assert(fp - stack->sp() == frame_type_off, "should be");
267 stack->push((intptr_t) call_wrapper);
268 assert(fp - stack->sp() == call_wrapper_off, "should be");
270 for (int i = 0; i < parameter_words; i++)
271 stack->push(parameters[i]);
273 return (EntryFrame *) fp;
274 }