1 witchel 1.1.2.1 // Frame.java, created Tue Feb 16 22:29:44 1999 by andyb
2 witchel 1.1.2.1 // Copyright (C) 1999 Andrew Berkheimer <andyb@mit.edu>
3 witchel 1.1.2.1 // Licensed under the terms of the GNU GPL; see COPYING for details.
4 witchel 1.1.2.1 package harpoon.Backend.MIPS;
5 witchel 1.1.2.1
6 witchel 1.1.2.1 import harpoon.Analysis.ClassHierarchy;
7 cananian 1.1.2.4 import harpoon.Analysis.CallGraph;
8 witchel 1.1.2.1 import harpoon.Backend.Generic.GCInfo;
9 witchel 1.1.2.1 import harpoon.ClassFile.HCodeElement;
10 cananian 1.1.2.2 import harpoon.ClassFile.HCodeFactory;
11 witchel 1.1.2.1 import harpoon.ClassFile.HMethod;
12 witchel 1.1.2.1 import harpoon.ClassFile.Linker;
13 witchel 1.1.2.1 import harpoon.Util.Util;
14 witchel 1.1.2.11 import java.util.Map;
15 witchel 1.1.2.11 import java.util.Set;
16 witchel 1.1.2.1
17 witchel 1.1.2.1 /**
18 witchel 1.1.2.1 * <code>Frame</code> contains the machine-dependant
19 cananian 1.1.2.3 * information necessary to compile for the MIPS processor.
20 witchel 1.1.2.1 *
21 witchel 1.1.2.1 * @author Andrew Berkheimer <andyb@mit.edu>
22 cananian 1.1.2.12 * @author Felix S. Klock II <pnkfelix@mit.edu>
23 cananian 1.2 * @version $Id: Frame.java,v 1.2 2002/02/25 21:01:47 cananian Exp $
24 witchel 1.1.2.1 */
25 witchel 1.1.2.1 public class Frame extends harpoon.Backend.Generic.Frame {
26 witchel 1.1.2.1 private final harpoon.Backend.Generic.Runtime runtime;
27 witchel 1.1.2.1 private final RegFileInfo regFileInfo;
28 witchel 1.1.2.1 private final InstrBuilder instrBuilder;
29 witchel 1.1.2.1 private final CodeGen codegen;
30 witchel 1.1.2.1 private final TempBuilder tempBuilder;
31 witchel 1.1.2.1 private final Linker linker;
32 witchel 1.1.2.1 private GCInfo gcInfo; // should really be final
33 pnkfelix 1.1.2.6 private String type = "";
34 witchel 1.1.2.11 private Map noTagCheck;
35 witchel 1.1.2.11 private Set usedDANum;
36 witchel 1.1.2.1
37 witchel 1.1.2.1 // HACK: this should really be a command-line parameter.
38 witchel 1.1.2.1 private final static String alloc_strategy =
39 witchel 1.1.2.1 System.getProperty("harpoon.alloc.strategy", "malloc");
40 witchel 1.1.2.1 private final static boolean is_elf =
41 witchel 1.1.2.1 System.getProperty("harpoon.target.elf", "yes")
42 witchel 1.1.2.1 .equalsIgnoreCase("yes");
43 witchel 1.1.2.1
44 witchel 1.1.2.9
45 cananian 1.1.2.13 public Frame(HMethod main) { this(main, ""); }
46 cananian 1.1.2.13 public Frame(HMethod main, String type) {
47 witchel 1.1.2.9 super();
48 pnkfelix 1.1.2.6 this.type = type;
49 witchel 1.1.2.9
50 witchel 1.1.2.9 linker = main.getDeclaringClass().getLinker();
51 witchel 1.1.2.9 regFileInfo = new RegFileInfo();
52 cananian 1.1.2.13 noTagCheck = null;
53 witchel 1.1.2.9
54 witchel 1.1.2.9 harpoon.Backend.Runtime1.AllocationStrategy as = // pick strategy
55 witchel 1.1.2.9 alloc_strategy.equalsIgnoreCase("nifty") ?
56 witchel 1.1.2.9 (harpoon.Backend.Runtime1.AllocationStrategy)
57 witchel 1.1.2.9 new harpoon.Backend.Runtime1.NiftyAllocationStrategy(this) :
58 witchel 1.1.2.9 alloc_strategy.equalsIgnoreCase("bdw") ?
59 witchel 1.1.2.9 (harpoon.Backend.Runtime1.AllocationStrategy)
60 witchel 1.1.2.9 new harpoon.Backend.Runtime1.BDWAllocationStrategy(this) :
61 witchel 1.1.2.9 // default, "malloc" strategy.
62 witchel 1.1.2.9 (harpoon.Backend.Runtime1.AllocationStrategy)
63 witchel 1.1.2.9 new harpoon.Backend.Runtime1.MallocAllocationStrategy(this,
64 witchel 1.1.2.9 "malloc");
65 cananian 1.1.2.13 runtime = new harpoon.Backend.Runtime1.Runtime(this, as, main,!is_elf);
66 witchel 1.1.2.9 // FSK: CodeGen ctor needs regFileInfo set in 'this' Frame
67 witchel 1.1.2.9 // [and it also needs nameMap out of Runtime --CSA], so
68 witchel 1.1.2.9 // be careful about ordering of constructions.
69 witchel 1.1.2.9 codegen = new CodeGen(this, is_elf);
70 witchel 1.1.2.9
71 witchel 1.1.2.9 instrBuilder = new InstrBuilder(regFileInfo, this);
72 witchel 1.1.2.9 tempBuilder = new TempBuilder();
73 pnkfelix 1.1.2.6 }
74 witchel 1.1.2.1
75 pnkfelix 1.1.2.6 public String getType() { return type; }
76 witchel 1.1.2.1
77 pnkfelix 1.1.2.6 public Linker getLinker() { return linker; }
78 pnkfelix 1.1.2.6
79 witchel 1.1.2.1 public boolean pointersAreLong() { return false; }
80 witchel 1.1.2.7
81 witchel 1.1.2.11 public void setNoTagCheckMap(Map hm) {
82 witchel 1.1.2.7 noTagCheck = hm;
83 witchel 1.1.2.10 }
84 witchel 1.1.2.11 public void setUsedDANum(Set hs) {
85 witchel 1.1.2.10 usedDANum = hs;
86 witchel 1.1.2.10 }
87 witchel 1.1.2.11 public Set getUsedDANum() {
88 witchel 1.1.2.10 return usedDANum;
89 witchel 1.1.2.7 }
90 witchel 1.1.2.7 public boolean memAccessNoTagCheck(HCodeElement hce) {
91 witchel 1.1.2.9 // XXX This interface is superceeded by daNum, but I don't want
92 witchel 1.1.2.9 // to rip it out yet
93 witchel 1.1.2.9 return false;
94 witchel 1.1.2.9 //if(noTagCheck == null) return false;
95 witchel 1.1.2.9 // return noTagCheck.get(hce) != null;
96 witchel 1.1.2.9 }
97 witchel 1.1.2.9 public Object daNum(HCodeElement hce) {
98 witchel 1.1.2.9 if(noTagCheck == null) return null;
99 witchel 1.1.2.9 return noTagCheck.get(hce);
100 witchel 1.1.2.7 }
101 witchel 1.1.2.1
102 cananian 1.1.2.3 /** Returns a <code>MIPS.CodeGen</code>.
103 witchel 1.1.2.1 Since no state is maintained in the returned
104 cananian 1.1.2.3 <code>MIPS.CodeGen</code>, the same one is returned on
105 witchel 1.1.2.1 every call to this method.
106 witchel 1.1.2.1 */
107 witchel 1.1.2.1 public harpoon.Backend.Generic.CodeGen getCodeGen() {
108 witchel 1.1.2.1 return codegen;
109 witchel 1.1.2.1 }
110 witchel 1.1.2.1
111 witchel 1.1.2.1 public harpoon.Backend.Generic.Runtime getRuntime() {
112 witchel 1.1.2.1 return runtime;
113 witchel 1.1.2.1 }
114 witchel 1.1.2.1
115 witchel 1.1.2.1 public harpoon.Backend.Generic.RegFileInfo getRegFileInfo() {
116 witchel 1.1.2.1 return regFileInfo;
117 witchel 1.1.2.1 }
118 witchel 1.1.2.1
119 witchel 1.1.2.1 public harpoon.Backend.Generic.LocationFactory getLocationFactory() {
120 witchel 1.1.2.1 // regfileinfo holds the location factory implementation for this frame
121 witchel 1.1.2.1 return regFileInfo;
122 witchel 1.1.2.1 }
123 witchel 1.1.2.1
124 witchel 1.1.2.1 public harpoon.Backend.Generic.InstrBuilder getInstrBuilder() {
125 witchel 1.1.2.1 return instrBuilder;
126 witchel 1.1.2.1 }
127 witchel 1.1.2.1 public harpoon.Backend.Generic.TempBuilder getTempBuilder() {
128 witchel 1.1.2.1 return tempBuilder;
129 witchel 1.1.2.1 }
130 witchel 1.1.2.1 public harpoon.Backend.Generic.GCInfo getGCInfo() {
131 witchel 1.1.2.1 return gcInfo;
132 cananian 1.1.2.2 }
133 cananian 1.1.2.2 public HCodeFactory getCodeFactory(HCodeFactory hcf) {
134 cananian 1.1.2.2 return Code.codeFactory(hcf, this);
135 witchel 1.1.2.1 }
136 cananian 1.2 }