Mercurial > hg > truffle
comparison src/cpu/ppc/vm/interpreterRT_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 | e5e8aa897002 |
comparison
equal
deleted
inserted
replaced
14407:94c202aa2646 | 14408:ec28f9c041ff |
---|---|
1 /* | |
2 * Copyright (c) 1997, 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 "interpreter/interpreter.hpp" | |
28 #include "interpreter/interpreterRuntime.hpp" | |
29 #include "memory/allocation.inline.hpp" | |
30 #include "memory/universe.inline.hpp" | |
31 #include "oops/method.hpp" | |
32 #include "oops/oop.inline.hpp" | |
33 #include "runtime/handles.inline.hpp" | |
34 #include "runtime/icache.hpp" | |
35 #include "runtime/interfaceSupport.hpp" | |
36 #include "runtime/signature.hpp" | |
37 | |
38 #define __ _masm-> | |
39 | |
40 // Access macros for Java and C arguments. | |
41 // The first Java argument is at index -1. | |
42 #define locals_j_arg_at(index) (Interpreter::local_offset_in_bytes(index)), R18_locals | |
43 // The first C argument is at index 0. | |
44 #define sp_c_arg_at(index) ((index)*wordSize + _abi(carg_1)), R1_SP | |
45 | |
46 // Implementation of SignatureHandlerGenerator | |
47 | |
48 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() { | |
49 Argument jni_arg(jni_offset()); | |
50 Register r = jni_arg.is_register() ? jni_arg.as_register() : R0; | |
51 | |
52 __ lwa(r, locals_j_arg_at(offset())); // sign extension of integer | |
53 if (DEBUG_ONLY(true ||) !jni_arg.is_register()) { | |
54 __ std(r, sp_c_arg_at(jni_arg.number())); | |
55 } | |
56 } | |
57 | |
58 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() { | |
59 Argument jni_arg(jni_offset()); | |
60 Register r = jni_arg.is_register() ? jni_arg.as_register() : R0; | |
61 | |
62 __ ld(r, locals_j_arg_at(offset()+1)); // long resides in upper slot | |
63 if (DEBUG_ONLY(true ||) !jni_arg.is_register()) { | |
64 __ std(r, sp_c_arg_at(jni_arg.number())); | |
65 } | |
66 } | |
67 | |
68 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() { | |
69 FloatRegister fp_reg = (_num_used_fp_arg_regs < 13/*max_fp_register_arguments*/) | |
70 ? as_FloatRegister((_num_used_fp_arg_regs++) + F1_ARG1->encoding()) | |
71 : F0; | |
72 | |
73 __ lfs(fp_reg, locals_j_arg_at(offset())); | |
74 if (DEBUG_ONLY(true ||) jni_offset() > 8) { | |
75 __ stfs(fp_reg, sp_c_arg_at(jni_offset())); | |
76 } | |
77 } | |
78 | |
79 void InterpreterRuntime::SignatureHandlerGenerator::pass_double() { | |
80 FloatRegister fp_reg = (_num_used_fp_arg_regs < 13/*max_fp_register_arguments*/) | |
81 ? as_FloatRegister((_num_used_fp_arg_regs++) + F1_ARG1->encoding()) | |
82 : F0; | |
83 | |
84 __ lfd(fp_reg, locals_j_arg_at(offset()+1)); | |
85 if (DEBUG_ONLY(true ||) jni_offset() > 8) { | |
86 __ stfd(fp_reg, sp_c_arg_at(jni_offset())); | |
87 } | |
88 } | |
89 | |
90 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() { | |
91 Argument jni_arg(jni_offset()); | |
92 Register r = jni_arg.is_register() ? jni_arg.as_register() : R11_scratch1; | |
93 | |
94 // The handle for a receiver will never be null. | |
95 bool do_NULL_check = offset() != 0 || is_static(); | |
96 | |
97 Label do_null; | |
98 if (do_NULL_check) { | |
99 __ ld(R0, locals_j_arg_at(offset())); | |
100 __ cmpdi(CCR0, R0, 0); | |
101 __ li(r, 0); | |
102 __ beq(CCR0, do_null); | |
103 } | |
104 __ addir(r, locals_j_arg_at(offset())); | |
105 __ bind(do_null); | |
106 if (DEBUG_ONLY(true ||) !jni_arg.is_register()) { | |
107 __ std(r, sp_c_arg_at(jni_arg.number())); | |
108 } | |
109 } | |
110 | |
111 void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) { | |
112 // Emit fd for current codebuffer. Needs patching! | |
113 __ emit_fd(); | |
114 | |
115 // Generate code to handle arguments. | |
116 iterate(fingerprint); | |
117 | |
118 // Return the result handler. | |
119 __ load_const(R3_RET, AbstractInterpreter::result_handler(method()->result_type())); | |
120 __ blr(); | |
121 | |
122 __ flush(); | |
123 } | |
124 | |
125 #undef __ | |
126 | |
127 // Implementation of SignatureHandlerLibrary | |
128 | |
129 void SignatureHandlerLibrary::pd_set_handler(address handler) { | |
130 // patch fd here. | |
131 FunctionDescriptor* fd = (FunctionDescriptor*) handler; | |
132 | |
133 fd->set_entry(handler + (int)sizeof(FunctionDescriptor)); | |
134 assert(fd->toc() == (address)0xcafe, "need to adjust TOC here"); | |
135 } | |
136 | |
137 | |
138 // Access function to get the signature. | |
139 IRT_ENTRY(address, InterpreterRuntime::get_signature(JavaThread* thread, Method* method)) | |
140 methodHandle m(thread, method); | |
141 assert(m->is_native(), "sanity check"); | |
142 Symbol *s = m->signature(); | |
143 return (address) s->base(); | |
144 IRT_END | |
145 | |
146 IRT_ENTRY(address, InterpreterRuntime::get_result_handler(JavaThread* thread, Method* method)) | |
147 methodHandle m(thread, method); | |
148 assert(m->is_native(), "sanity check"); | |
149 return AbstractInterpreter::result_handler(m->result_type()); | |
150 IRT_END |