1 /*
2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "c1/c1_Compilation.hpp"
27 #include "c1/c1_Instruction.hpp"
28 #include "c1/c1_InstructionPrinter.hpp"
29 #include "c1/c1_LIRAssembler.hpp"
30 #include "c1/c1_MacroAssembler.hpp"
31 #include "c1/c1_ValueStack.hpp"
32 #include "ci/ciInstance.hpp"
33 #ifdef TARGET_ARCH_x86
34 # include "nativeInst_x86.hpp"
35 # include "vmreg_x86.inline.hpp"
36 #endif
37 #ifdef TARGET_ARCH_sparc
38 # include "nativeInst_sparc.hpp"
39 # include "vmreg_sparc.inline.hpp"
40 #endif
41 #ifdef TARGET_ARCH_zero
42 # include "nativeInst_zero.hpp"
43 # include "vmreg_zero.inline.hpp"
44 #endif
45 #ifdef TARGET_ARCH_arm
46 # include "nativeInst_arm.hpp"
47 # include "vmreg_arm.inline.hpp"
48 #endif
49 #ifdef TARGET_ARCH_ppc
50 # include "nativeInst_ppc.hpp"
51 # include "vmreg_ppc.inline.hpp"
52 #endif
53
54
55 void LIR_Assembler::patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info) {
56 // we must have enough patching space so that call can be inserted
57 while ((intx) _masm->pc() - (intx) patch->pc_start() < NativeCall::instruction_size) {
58 _masm->nop();
59 }
60 patch->install(_masm, patch_code, obj, info);
61 append_code_stub(patch);
62
63 #ifdef ASSERT
64 Bytecodes::Code code = info->scope()->method()->java_code_at_bci(info->stack()->bci());
65 if (patch->id() == PatchingStub::access_field_id) {
66 switch (code) {
67 case Bytecodes::_putstatic:
68 case Bytecodes::_getstatic:
69 case Bytecodes::_putfield:
70 case Bytecodes::_getfield:
71 break;
72 default:
73 ShouldNotReachHere();
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1 /*
2 * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "c1/c1_Compilation.hpp"
27 #include "c1/c1_Instruction.hpp"
28 #include "c1/c1_InstructionPrinter.hpp"
29 #include "c1/c1_LIRAssembler.hpp"
30 #include "c1/c1_MacroAssembler.hpp"
31 #include "c1/c1_ValueStack.hpp"
32 #include "ci/ciInstance.hpp"
33
34 void LIR_Assembler::patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info) {
35 // we must have enough patching space so that call can be inserted
36 while ((intx) _masm->pc() - (intx) patch->pc_start() < NativeCall::instruction_size) {
37 _masm->nop();
38 }
39 patch->install(_masm, patch_code, obj, info);
40 append_code_stub(patch);
41
42 #ifdef ASSERT
43 Bytecodes::Code code = info->scope()->method()->java_code_at_bci(info->stack()->bci());
44 if (patch->id() == PatchingStub::access_field_id) {
45 switch (code) {
46 case Bytecodes::_putstatic:
47 case Bytecodes::_getstatic:
48 case Bytecodes::_putfield:
49 case Bytecodes::_getfield:
50 break;
51 default:
52 ShouldNotReachHere();
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