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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are met: | 3 // modification, are permitted provided that the following conditions are met: |
4 // | 4 // |
5 // * Redistributions of source code must retain the above copyright notice, | 5 // * Redistributions of source code must retain the above copyright notice, |
6 // this list of conditions and the following disclaimer. | 6 // this list of conditions and the following disclaimer. |
7 // * Redistributions in binary form must reproduce the above copyright notice, | 7 // * Redistributions in binary form must reproduce the above copyright notice, |
8 // this list of conditions and the following disclaimer in the documentation | 8 // this list of conditions and the following disclaimer in the documentation |
9 // and/or other materials provided with the distribution. | 9 // and/or other materials provided with the distribution. |
10 // * Neither the name of ARM Limited nor the names of its contributors may be | 10 // * Neither the name of ARM Limited nor the names of its contributors may be |
11 // used to endorse or promote products derived from this software without | 11 // used to endorse or promote products derived from this software without |
12 // specific prior written permission. | 12 // specific prior written permission. |
13 // | 13 // |
14 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND | 14 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND |
15 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 15 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
16 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 16 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
17 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE | 17 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
18 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 18 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
19 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 19 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
20 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 20 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
21 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | 21 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
22 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | 24 |
25 #include <stdlib.h> | 25 #include <stdlib.h> |
26 #include "cctest.h" | 26 #include "cctest.h" |
27 | 27 |
28 #include "a64/decoder-a64.h" | 28 #include "a64/decoder-a64.h" |
| 29 #include "a64/decoder-a64-inl.h" |
29 #include "a64/disasm-a64.h" | 30 #include "a64/disasm-a64.h" |
30 | 31 |
31 using namespace v8::internal; | 32 using namespace v8::internal; |
32 | 33 |
33 TEST(FUZZ_decoder) { | 34 TEST(FUZZ_decoder) { |
34 // Feed noise into the decoder to check that it doesn't crash. | 35 // Feed noise into the decoder to check that it doesn't crash. |
35 // 43 million = ~1% of the instruction space. | 36 // 43 million = ~1% of the instruction space. |
36 static const int instruction_count = 43 * 1024 * 1024; | 37 static const int instruction_count = 43 * 1024 * 1024; |
37 | 38 |
38 uint16_t seed[3] = {1, 2, 3}; | 39 uint16_t seed[3] = {1, 2, 3}; |
39 seed48(seed); | 40 seed48(seed); |
40 | 41 |
41 Decoder decoder; | 42 Decoder<DispatchingDecoderVisitor> decoder; |
42 Instruction buffer[kInstructionSize]; | 43 Instruction buffer[kInstructionSize]; |
43 | 44 |
44 for (int i = 0; i < instruction_count; i++) { | 45 for (int i = 0; i < instruction_count; i++) { |
45 uint32_t instr = mrand48(); | 46 uint32_t instr = mrand48(); |
46 buffer->SetInstructionBits(instr); | 47 buffer->SetInstructionBits(instr); |
47 decoder.Decode(buffer); | 48 decoder.Decode(buffer); |
48 } | 49 } |
49 } | 50 } |
50 | 51 |
51 | 52 |
52 TEST(FUZZ_disasm) { | 53 TEST(FUZZ_disasm) { |
53 // Feed noise into the disassembler to check that it doesn't crash. | 54 // Feed noise into the disassembler to check that it doesn't crash. |
54 // 9 million = ~0.2% of the instruction space. | 55 // 9 million = ~0.2% of the instruction space. |
55 static const int instruction_count = 9 * 1024 * 1024; | 56 static const int instruction_count = 9 * 1024 * 1024; |
56 | 57 |
57 uint16_t seed[3] = {42, 43, 44}; | 58 uint16_t seed[3] = {42, 43, 44}; |
58 seed48(seed); | 59 seed48(seed); |
59 | 60 |
60 Decoder decoder; | 61 Decoder<DispatchingDecoderVisitor> decoder; |
61 Disassembler disasm; | 62 Disassembler disasm; |
62 Instruction buffer[kInstructionSize]; | 63 Instruction buffer[kInstructionSize]; |
63 | 64 |
64 decoder.AppendVisitor(&disasm); | 65 decoder.AppendVisitor(&disasm); |
65 for (int i = 0; i < instruction_count; i++) { | 66 for (int i = 0; i < instruction_count; i++) { |
66 uint32_t instr = mrand48(); | 67 uint32_t instr = mrand48(); |
67 buffer->SetInstructionBits(instr); | 68 buffer->SetInstructionBits(instr); |
68 decoder.Decode(buffer); | 69 decoder.Decode(buffer); |
69 } | 70 } |
70 } | 71 } |
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