Mercurial > hg > truffle
annotate src/cpu/zero/vm/stubGenerator_zero.cpp @ 3883:ce9bde819dcb hs22-b04
7086589: bump the hs22 build number to 04
Reviewed-by: johnc
Contributed-by: alejandro.murillo@oracle.com
| author | jcoomes |
|---|---|
| date | Fri, 02 Sep 2011 03:49:30 -0700 |
| parents | f95d63e2154a |
| children | c565834fb592 |
| rev | line source |
|---|---|
| 1010 | 1 /* |
| 1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
| 1379 | 3 * Copyright 2007, 2008, 2010 Red Hat, Inc. |
| 1010 | 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1511
diff
changeset
|
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1511
diff
changeset
|
21 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1511
diff
changeset
|
22 * questions. |
| 1010 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 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 | |
| 1010 | 49 |
| 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 | |
| 53 | |
| 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(); | |
| 68 | |
| 69 // Make sure we have no pending exceptions | |
| 70 assert(!HAS_PENDING_EXCEPTION, "call_stub called with pending exception"); | |
| 71 | |
| 72 // Set up the stack if necessary | |
| 73 bool stack_needs_teardown = false; | |
| 74 if (stack->needs_setup()) { | |
| 1511 | 75 size_t zero_stack_size = stack->suggest_size(thread); |
| 1010 | 76 stack->setup(alloca(zero_stack_size), zero_stack_size); |
| 77 stack_needs_teardown = true; | |
| 78 } | |
| 79 | |
| 80 // Allocate and initialize our frame | |
| 1379 | 81 EntryFrame *frame = |
| 82 EntryFrame::build(parameters, parameter_words, call_wrapper, THREAD); | |
| 1010 | 83 |
| 84 if (!HAS_PENDING_EXCEPTION) { | |
| 1379 | 85 // Push the frame |
| 86 thread->push_zero_frame(frame); | |
| 87 | |
| 88 // Make the call | |
| 89 Interpreter::invoke_method(method, entry_point, THREAD); | |
| 90 | |
| 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 } | |
| 1010 | 112 } |
| 1379 | 113 |
| 114 // Unwind the frame | |
| 115 thread->pop_zero_frame(); | |
| 1010 | 116 } |
| 117 | |
| 118 // Tear down the stack if necessary | |
| 119 if (stack_needs_teardown) | |
| 120 stack->teardown(); | |
| 121 } | |
| 122 | |
| 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 } | |
| 129 | |
| 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; | |
| 136 | |
| 137 StubRoutines::_jshort_disjoint_arraycopy = (address) fake_arraycopy_stub; | |
| 138 StubRoutines::_jshort_arraycopy = (address) fake_arraycopy_stub; | |
| 139 | |
| 140 StubRoutines::_jint_disjoint_arraycopy = (address) fake_arraycopy_stub; | |
| 141 StubRoutines::_jint_arraycopy = (address) fake_arraycopy_stub; | |
| 142 | |
| 143 StubRoutines::_jlong_disjoint_arraycopy = (address) fake_arraycopy_stub; | |
| 144 StubRoutines::_jlong_arraycopy = (address) fake_arraycopy_stub; | |
| 145 | |
| 146 StubRoutines::_oop_disjoint_arraycopy = ShouldNotCallThisStub(); | |
| 147 StubRoutines::_oop_arraycopy = ShouldNotCallThisStub(); | |
| 148 | |
| 149 StubRoutines::_checkcast_arraycopy = ShouldNotCallThisStub(); | |
| 150 StubRoutines::_unsafe_arraycopy = ShouldNotCallThisStub(); | |
| 151 StubRoutines::_generic_arraycopy = ShouldNotCallThisStub(); | |
| 152 | |
| 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; | |
| 159 | |
| 160 StubRoutines::_arrayof_jshort_disjoint_arraycopy = | |
| 161 StubRoutines::_jshort_disjoint_arraycopy; | |
| 162 StubRoutines::_arrayof_jshort_arraycopy = | |
| 163 StubRoutines::_jshort_arraycopy; | |
| 164 | |
| 165 StubRoutines::_arrayof_jint_disjoint_arraycopy = | |
| 166 StubRoutines::_jint_disjoint_arraycopy; | |
| 167 StubRoutines::_arrayof_jint_arraycopy = | |
| 168 StubRoutines::_jint_arraycopy; | |
| 169 | |
| 170 StubRoutines::_arrayof_jlong_disjoint_arraycopy = | |
| 171 StubRoutines::_jlong_disjoint_arraycopy; | |
| 172 StubRoutines::_arrayof_jlong_arraycopy = | |
| 173 StubRoutines::_jlong_arraycopy; | |
| 174 | |
| 175 StubRoutines::_arrayof_oop_disjoint_arraycopy = | |
| 176 StubRoutines::_oop_disjoint_arraycopy; | |
| 177 StubRoutines::_arrayof_oop_arraycopy = | |
| 178 StubRoutines::_oop_arraycopy; | |
| 179 } | |
| 180 | |
| 181 void generate_initial() { | |
| 182 // Generates all stubs and initializes the entry points | |
| 183 | |
| 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. | |
| 189 | |
| 190 StubRoutines::_forward_exception_entry = ShouldNotCallThisStub(); | |
| 191 StubRoutines::_call_stub_entry = (address) call_stub; | |
| 192 StubRoutines::_catch_exception_entry = ShouldNotCallThisStub(); | |
| 193 | |
| 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(); | |
| 203 | |
| 204 // amd64 does this here, sparc does it in generate_all() | |
| 205 StubRoutines::_handler_for_unsafe_access_entry = | |
| 206 ShouldNotCallThisStub(); | |
| 207 } | |
| 208 | |
| 209 void generate_all() { | |
| 210 // Generates all stubs and initializes the entry points | |
| 211 | |
| 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(); | |
| 217 | |
| 218 StubRoutines::_throw_ArithmeticException_entry = | |
| 219 ShouldNotCallThisStub(); | |
| 220 | |
| 221 StubRoutines::_throw_NullPointerException_entry = | |
| 222 ShouldNotCallThisStub(); | |
| 223 | |
| 224 StubRoutines::_throw_NullPointerException_at_call_entry = | |
| 225 ShouldNotCallThisStub(); | |
| 226 | |
| 227 StubRoutines::_throw_StackOverflowError_entry = | |
| 228 ShouldNotCallThisStub(); | |
| 229 | |
| 230 // support for verify_oop (must happen after universe_init) | |
| 231 StubRoutines::_verify_oop_subroutine_entry = | |
| 232 ShouldNotCallThisStub(); | |
| 233 | |
| 234 // arraycopy stubs used by compilers | |
| 235 generate_arraycopy_stubs(); | |
| 236 } | |
| 237 | |
| 238 public: | |
| 239 StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) { | |
| 240 if (all) { | |
| 241 generate_all(); | |
| 242 } else { | |
| 243 generate_initial(); | |
| 244 } | |
| 245 } | |
| 246 }; | |
| 247 | |
| 248 void StubGenerator_generate(CodeBuffer* code, bool all) { | |
| 249 StubGenerator g(code, all); | |
| 250 } | |
| 251 | |
| 1379 | 252 EntryFrame *EntryFrame::build(const intptr_t* parameters, |
| 1010 | 253 int parameter_words, |
| 1379 | 254 JavaCallWrapper* call_wrapper, |
| 255 TRAPS) { | |
| 256 | |
| 257 ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack(); | |
| 258 stack->overflow_check(header_words + parameter_words, CHECK_NULL); | |
| 1010 | 259 |
| 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"); | |
| 263 | |
| 264 stack->push(ENTRY_FRAME); | |
| 265 assert(fp - stack->sp() == frame_type_off, "should be"); | |
| 266 | |
| 267 stack->push((intptr_t) call_wrapper); | |
| 268 assert(fp - stack->sp() == call_wrapper_off, "should be"); | |
| 269 | |
| 270 for (int i = 0; i < parameter_words; i++) | |
| 271 stack->push(parameters[i]); | |
| 272 | |
| 273 return (EntryFrame *) fp; | |
| 274 } |