Mercurial > hg > truffle
comparison src/cpu/ppc/vm/icBuffer_ppc.cpp @ 14408:ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
Summary: With this change the HotSpot core build works on Linux/PPC64. The VM succesfully executes simple test programs.
Reviewed-by: kvn
author | goetz |
---|---|
date | Fri, 02 Aug 2013 16:46:45 +0200 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
14407:94c202aa2646 | 14408:ec28f9c041ff |
---|---|
1 /* | |
2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. | |
3 * Copyright 2012, 2013 SAP AG. All rights reserved. | |
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 */ | |
25 | |
26 #include "precompiled.hpp" | |
27 #include "asm/assembler.hpp" | |
28 #include "assembler_ppc.inline.hpp" | |
29 #include "code/icBuffer.hpp" | |
30 #include "gc_interface/collectedHeap.inline.hpp" | |
31 #include "interpreter/bytecodes.hpp" | |
32 #include "memory/resourceArea.hpp" | |
33 #include "nativeInst_ppc.hpp" | |
34 #include "oops/oop.inline.hpp" | |
35 #include "oops/oop.inline2.hpp" | |
36 | |
37 #define __ masm. | |
38 | |
39 int InlineCacheBuffer::ic_stub_code_size() { | |
40 return MacroAssembler::load_const_size + MacroAssembler::b64_patchable_size; | |
41 } | |
42 | |
43 void InlineCacheBuffer::assemble_ic_buffer_code(address code_begin, void* cached_value, address entry_point) { | |
44 ResourceMark rm; | |
45 CodeBuffer code(code_begin, ic_stub_code_size()); | |
46 MacroAssembler masm(&code); | |
47 // Note: even though the code contains an embedded metadata, we do not need reloc info | |
48 // because | |
49 // (1) the metadata is old (i.e., doesn't matter for scavenges) | |
50 // (2) these ICStubs are removed *before* a GC happens, so the roots disappear. | |
51 | |
52 // Load the oop ... | |
53 __ load_const(R19_method, (address) cached_value, R0); | |
54 // ... and jump to entry point. | |
55 __ b64_patchable((address) entry_point, relocInfo::none); | |
56 | |
57 __ flush(); | |
58 } | |
59 | |
60 address InlineCacheBuffer::ic_buffer_entry_point(address code_begin) { | |
61 NativeMovConstReg* move = nativeMovConstReg_at(code_begin); // creation also verifies the object | |
62 NativeJump* jump = nativeJump_at(move->next_instruction_address()); | |
63 return jump->jump_destination(); | |
64 } | |
65 | |
66 void* InlineCacheBuffer::ic_buffer_cached_value(address code_begin) { | |
67 NativeMovConstReg* move = nativeMovConstReg_at(code_begin); // creation also verifies the object | |
68 void* o = (void*)move->data(); | |
69 return o; | |
70 } | |
71 |