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gerrit-public.fairphone.software / fp2-dev / platform / development / 52d4c30ca52320ec92d1d1ddc8db3f07f69c4f98 / . / emulator / qtools / opcode.h
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The Android Open Source Project52d4c302009-03-03 19:29:09 -0800[diff] [blame^]1// Copyright 2006 The Android Open Source Project
2
3#ifndef OPCODE_H
4#define OPCODE_H
5
6#include <inttypes.h>
7
8// Note: this list of opcodes must match the list used to initialize
9// the opflags[] array in opcode.cpp.
10enum Opcode {
11 OP_INVALID,
12 OP_UNDEFINED,
13 OP_ADC,
14 OP_ADD,
15 OP_AND,
16 OP_B,
17 OP_BL,
18 OP_BIC,
19 OP_BKPT,
20 OP_BLX,
21 OP_BX,
22 OP_CDP,
23 OP_CLZ,
24 OP_CMN,
25 OP_CMP,
26 OP_EOR,
27 OP_LDC,
28 OP_LDM,
29 OP_LDR,
30 OP_LDRB,
31 OP_LDRBT,
32 OP_LDRH,
33 OP_LDRSB,
34 OP_LDRSH,
35 OP_LDRT,
36 OP_MCR,
37 OP_MLA,
38 OP_MOV,
39 OP_MRC,
40 OP_MRS,
41 OP_MSR,
42 OP_MUL,
43 OP_MVN,
44 OP_ORR,
45 OP_PLD,
46 OP_RSB,
47 OP_RSC,
48 OP_SBC,
49 OP_SMLAL,
50 OP_SMULL,
51 OP_STC,
52 OP_STM,
53 OP_STR,
54 OP_STRB,
55 OP_STRBT,
56 OP_STRH,
57 OP_STRT,
58 OP_SUB,
59 OP_SWI,
60 OP_SWP,
61 OP_SWPB,
62 OP_TEQ,
63 OP_TST,
64 OP_UMLAL,
65 OP_UMULL,
66
67 // Define thumb opcodes
68 OP_THUMB_UNDEFINED,
69 OP_THUMB_ADC,
70 OP_THUMB_ADD,
71 OP_THUMB_AND,
72 OP_THUMB_ASR,
73 OP_THUMB_B,
74 OP_THUMB_BIC,
75 OP_THUMB_BKPT,
76 OP_THUMB_BL,
77 OP_THUMB_BLX,
78 OP_THUMB_BX,
79 OP_THUMB_CMN,
80 OP_THUMB_CMP,
81 OP_THUMB_EOR,
82 OP_THUMB_LDMIA,
83 OP_THUMB_LDR,
84 OP_THUMB_LDRB,
85 OP_THUMB_LDRH,
86 OP_THUMB_LDRSB,
87 OP_THUMB_LDRSH,
88 OP_THUMB_LSL,
89 OP_THUMB_LSR,
90 OP_THUMB_MOV,
91 OP_THUMB_MUL,
92 OP_THUMB_MVN,
93 OP_THUMB_NEG,
94 OP_THUMB_ORR,
95 OP_THUMB_POP,
96 OP_THUMB_PUSH,
97 OP_THUMB_ROR,
98 OP_THUMB_SBC,
99 OP_THUMB_STMIA,
100 OP_THUMB_STR,
101 OP_THUMB_STRB,
102 OP_THUMB_STRH,
103 OP_THUMB_SUB,
104 OP_THUMB_SWI,
105 OP_THUMB_TST,
106
107 OP_END // must be last
108};
109
110extern uint32_t opcode_flags[];
111extern const char *opcode_names[];
112
113// Define bit flags for the opcode categories
114static const uint32_t kCatByte = 0x0001;
115static const uint32_t kCatHalf = 0x0002;
116static const uint32_t kCatWord = 0x0004;
117static const uint32_t kCatLong = 0x0008;
118static const uint32_t kCatNumBytes = (kCatByte | kCatHalf | kCatWord | kCatLong);
119static const uint32_t kCatMultiple = 0x0010;
120static const uint32_t kCatSigned = 0x0020;
121static const uint32_t kCatLoad = 0x0040;
122static const uint32_t kCatStore = 0x0080;
123static const uint32_t kCatMemoryRef = (kCatLoad | kCatStore);
124static const uint32_t kCatAlu = 0x0100;
125static const uint32_t kCatBranch = 0x0200;
126static const uint32_t kCatBranchLink = 0x0400;
127static const uint32_t kCatBranchExch = 0x0800;
128static const uint32_t kCatCoproc = 0x1000;
129static const uint32_t kCatLoadMultiple = (kCatLoad | kCatMultiple);
130static const uint32_t kCatStoreMultiple = (kCatStore | kCatMultiple);
131
132inline bool isALU(Opcode op) { return (opcode_flags[op] & kCatAlu) != 0; }
133inline bool isBranch(Opcode op) { return (opcode_flags[op] & kCatBranch) != 0; }
134inline bool isBranchLink(Opcode op) {
135 return (opcode_flags[op] & kCatBranchLink) != 0;
136}
137inline bool isBranchExch(Opcode op) {
138 return (opcode_flags[op] & kCatBranchExch) != 0;
139}
140inline bool isLoad(Opcode op) { return (opcode_flags[op] & kCatLoad) != 0; }
141inline bool isLoadMultiple(Opcode op) {
142 return (opcode_flags[op] & kCatLoadMultiple) == kCatLoadMultiple;
143}
144inline bool isStoreMultiple(Opcode op) {
145 return (opcode_flags[op] & kCatStoreMultiple) == kCatStoreMultiple;
146}
147inline bool isStore(Opcode op) { return (opcode_flags[op] & kCatStore) != 0; }
148inline bool isSigned(Opcode op) { return (opcode_flags[op] & kCatSigned) != 0; }
149inline bool isMemoryRef(Opcode op) {
150 return (opcode_flags[op] & kCatMemoryRef) != 0;
151}
152inline int getAccessSize(Opcode op) { return opcode_flags[op] & kCatNumBytes; }
153inline bool isCoproc(Opcode op) { return (opcode_flags[op] & kCatCoproc) != 0; }
154inline int getNumAccesses(Opcode op, uint32_t binary) {
155 extern int num_one_bits[];
156 int num_accesses = 0;
157 if (opcode_flags[op] & kCatNumBytes)
158 num_accesses = 1;
159 else if (opcode_flags[op] & kCatMultiple) {
160 num_accesses = num_one_bits[(binary >> 8) & 0xff]
161 + num_one_bits[binary & 0xff];
162 }
163 return num_accesses;
164}
165
166#endif // OPCODE_H