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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 "arm64/decoder-arm64.h" |
| 29 #include "a64/decoder-a64-inl.h" | 29 #include "arm64/decoder-arm64-inl.h" |
| 30 #include "a64/disasm-a64.h" | 30 #include "arm64/disasm-arm64.h" |
| 31 | 31 |
| 32 using namespace v8::internal; | 32 using namespace v8::internal; |
| 33 | 33 |
| 34 TEST(FUZZ_decoder) { | 34 TEST(FUZZ_decoder) { |
| 35 // 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. |
| 36 // 43 million = ~1% of the instruction space. | 36 // 43 million = ~1% of the instruction space. |
| 37 static const int instruction_count = 43 * 1024 * 1024; | 37 static const int instruction_count = 43 * 1024 * 1024; |
| 38 | 38 |
| 39 uint16_t seed[3] = {1, 2, 3}; | 39 uint16_t seed[3] = {1, 2, 3}; |
| 40 seed48(seed); | 40 seed48(seed); |
| (...skipping 21 matching lines...) Expand all Loading... |
| 62 Disassembler disasm; | 62 Disassembler disasm; |
| 63 Instruction buffer[kInstructionSize]; | 63 Instruction buffer[kInstructionSize]; |
| 64 | 64 |
| 65 decoder.AppendVisitor(&disasm); | 65 decoder.AppendVisitor(&disasm); |
| 66 for (int i = 0; i < instruction_count; i++) { | 66 for (int i = 0; i < instruction_count; i++) { |
| 67 uint32_t instr = mrand48(); | 67 uint32_t instr = mrand48(); |
| 68 buffer->SetInstructionBits(instr); | 68 buffer->SetInstructionBits(instr); |
| 69 decoder.Decode(buffer); | 69 decoder.Decode(buffer); |
| 70 } | 70 } |
| 71 } | 71 } |
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