OLD | NEW |
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 |
(...skipping 30 matching lines...) Expand all Loading... |
41 Decoder decoder; | 41 Decoder decoder; |
42 Instruction buffer[kInstructionSize]; | 42 Instruction buffer[kInstructionSize]; |
43 | 43 |
44 for (int i = 0; i < instruction_count; i++) { | 44 for (int i = 0; i < instruction_count; i++) { |
45 uint32_t instr = mrand48(); | 45 uint32_t instr = mrand48(); |
46 buffer->SetInstructionBits(instr); | 46 buffer->SetInstructionBits(instr); |
47 decoder.Decode(buffer); | 47 decoder.Decode(buffer); |
48 } | 48 } |
49 } | 49 } |
50 | 50 |
| 51 |
51 TEST(FUZZ_disasm) { | 52 TEST(FUZZ_disasm) { |
52 // Feed noise into the disassembler to check that it doesn't crash. | 53 // Feed noise into the disassembler to check that it doesn't crash. |
53 // 9 million = ~0.2% of the instruction space. | 54 // 9 million = ~0.2% of the instruction space. |
54 static const int instruction_count = 9 * 1024 * 1024; | 55 static const int instruction_count = 9 * 1024 * 1024; |
55 | 56 |
56 uint16_t seed[3] = {42, 43, 44}; | 57 uint16_t seed[3] = {42, 43, 44}; |
57 seed48(seed); | 58 seed48(seed); |
58 | 59 |
59 Decoder decoder; | 60 Decoder decoder; |
60 Disassembler disasm; | 61 Disassembler disasm; |
61 Instruction buffer[kInstructionSize]; | 62 Instruction buffer[kInstructionSize]; |
62 | 63 |
63 decoder.AppendVisitor(&disasm); | 64 decoder.AppendVisitor(&disasm); |
64 for (int i = 0; i < instruction_count; i++) { | 65 for (int i = 0; i < instruction_count; i++) { |
65 uint32_t instr = mrand48(); | 66 uint32_t instr = mrand48(); |
66 buffer->SetInstructionBits(instr); | 67 buffer->SetInstructionBits(instr); |
67 decoder.Decode(buffer); | 68 decoder.Decode(buffer); |
68 } | 69 } |
69 } | 70 } |
OLD | NEW |