Mercurial > hg > truffle
annotate src/share/tools/MakeDeps/Platform.java @ 1673:6709c14587c2 jdk7-b105
Added tag jdk7-b104 for changeset b4acf10eb134
| author | cl |
|---|---|
| date | Fri, 06 Aug 2010 12:51:54 -0700 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 /** Defines what must be specified for each platform. This class must | |
| 26 have a no-arg constructor. */ | |
| 27 | |
| 28 import java.io.*; | |
| 29 | |
| 30 public abstract class Platform { | |
| 31 /** file name templates capture naming conventions */ | |
| 32 protected FileName dummyFileTemplate = | |
| 33 new FileName(this, "", "", "", "", "", ""); | |
| 34 | |
| 35 // The next three must be instantiated in subclasses' constructors | |
| 36 | |
| 37 /** An incl file is produced per .c file and contains all the | |
| 38 includes it needs */ | |
| 39 protected FileName inclFileTemplate; | |
| 40 | |
| 41 /** A GI (grand-include) file has any file used more than N times | |
| 42 for precompiled headers */ | |
| 43 protected FileName giFileTemplate; | |
| 44 | |
| 45 /** A GD (grand-dependencies) file that tells Unix make all the | |
| 46 .o's needed for linking and the include dependencies */ | |
| 47 protected FileName gdFileTemplate; | |
| 48 | |
| 49 // Accessors | |
| 50 public FileName getInclFileTemplate() { | |
| 51 return inclFileTemplate; | |
| 52 } | |
| 53 | |
| 54 public FileName getGIFileTemplate() { | |
| 55 return giFileTemplate; | |
| 56 } | |
| 57 | |
| 58 public FileName getGDFileTemplate() { | |
| 59 return gdFileTemplate; | |
| 60 } | |
| 61 | |
| 62 // an incl file is the file included by each.c file that includes | |
| 63 // all needed header files | |
| 64 | |
| 65 public abstract void setupFileTemplates(); | |
| 66 public abstract String[] outerSuffixes(); | |
| 67 | |
| 68 /** empty file name -> no grand include file */ | |
| 69 public boolean haveGrandInclude() { | |
| 70 return (giFileTemplate.nameOfList().length() > 0); | |
| 71 } | |
| 72 | |
| 73 public boolean writeDeps() { | |
| 74 return (gdFileTemplate.nameOfList().length() > 0); | |
| 75 } | |
| 76 | |
| 77 /** <p> A gi file is the grand-include file. It includes in one | |
| 78 file any file that is included more than a certain number of | |
| 79 times. </p> | |
| 80 | |
| 81 <p> It is used for precompiled header files. </p> | |
| 82 | |
| 83 <p> It has a source name, that is the file that this program | |
| 84 generates, and a compiled name; that is the file that is | |
| 85 included by other files. </p> | |
| 86 | |
| 87 <p> Some platforms have this program actually explictly | |
| 88 include the preprocessed gi file-- see includeGIInEachIncl(). | |
| 89 </p> | |
| 90 | |
| 91 <p> Also, some platforms need a pragma in the GI file. </p> */ | |
| 92 public boolean includeGIInEachIncl() { | |
| 93 return false; | |
| 94 } | |
| 95 | |
| 96 /** For some platforms, e.g. Solaris, include the grand-include | |
| 97 dependencies in the makefile. For others, e.g. Windows, do | |
| 98 not. */ | |
| 99 public boolean includeGIDependencies() { | |
| 100 return false; | |
| 101 } | |
| 102 | |
| 103 /** Should C/C++ source file be dependent on a file included | |
| 104 into the grand-include file. */ | |
| 105 public boolean writeDependenciesOnHFilesFromGI() { | |
| 106 return false; | |
| 107 } | |
| 108 | |
| 109 /** Default implementation does nothing */ | |
| 110 public void writeGIPragma(PrintWriter out) { | |
| 111 } | |
| 112 | |
| 113 /** A line with a filename and the noGrandInclude string means | |
| 114 that this file cannot use the precompiled header. */ | |
| 115 public String noGrandInclude() { | |
| 116 return "no_precompiled_headers"; | |
| 117 } | |
| 118 | |
| 119 /** A line with a filename and the | |
| 120 generatePlatformDependentInclude means that an include file | |
| 121 for the header file must be generated. This file generated include | |
| 122 file is directly included by the non-platform dependent include file | |
| 123 (e.g os.hpp includes _os_pd.hpp.incl. So while we notice files that | |
| 124 are directly dependent on non-platform dependent files from the database | |
| 125 we must infer the dependence on platform specific files to generate correct | |
| 126 dependences on the platform specific files. */ | |
| 127 public String generatePlatformDependentInclude() { | |
| 128 return "generate_platform_dependent_include"; | |
| 129 } | |
| 130 | |
| 131 /** Prefix and suffix strings for emitting Makefile rules */ | |
| 132 public abstract String objFileSuffix(); | |
| 133 public abstract String asmFileSuffix(); | |
| 134 public abstract String dependentPrefix(); | |
| 135 | |
| 136 // Exit routines: | |
| 137 | |
| 138 /** Abort means an internal error */ | |
| 139 public void abort() { | |
| 140 throw new RuntimeException("Internal error"); | |
| 141 } | |
| 142 | |
| 143 /** fatalError is used by clients to stop the system */ | |
| 144 public void fatalError(String msg) { | |
| 145 System.err.println(msg); | |
| 146 System.exit(1); | |
| 147 } | |
| 148 | |
| 149 /** Default implementation performs case-sensitive comparison */ | |
| 150 public boolean fileNameStringEquality(String s1, String s2) { | |
| 151 return s1.equals(s2); | |
| 152 } | |
| 153 | |
| 154 public void fileNamePortabilityCheck(String name) { | |
| 155 if (Character.isUpperCase(name.charAt(0))) { | |
| 156 fatalError("Error: for the sake of portability we have chosen\n" + | |
| 157 "to avoid files starting with an uppercase letter.\n" + | |
| 158 "Please rename " + name + "."); | |
| 159 } | |
| 160 } | |
| 161 | |
| 162 public void fileNamePortabilityCheck(String name, String matchingName) { | |
| 163 if (!name.equals(matchingName)) { | |
| 164 fatalError("Error: file " + name + " also appears as " + | |
| 165 matchingName + ". Case must be consistent for " + | |
| 166 "portability."); | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 /** max is 31 on mac, so warn */ | |
| 171 public int fileNameLengthLimit() { | |
| 172 return 45; | |
| 173 } | |
| 174 | |
| 175 public int defaultGrandIncludeThreshold() { | |
| 176 return 30; | |
| 177 } | |
| 178 | |
| 179 /** Not very general, but this is a way to get platform-specific | |
| 180 files to be written. Default implementation does nothing. */ | |
| 181 public void writePlatformSpecificFiles(Database previousDB, | |
| 182 Database currentDB, String[] args) | |
| 183 throws IllegalArgumentException, IOException { | |
| 184 } | |
| 185 } |