OLD | NEW |
| (Empty) |
1 // Copyright 2013 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are met: | |
4 // | |
5 // * Redistributions of source code must retain the above copyright notice, | |
6 // this list of conditions and the following disclaimer. | |
7 // * Redistributions in binary form must reproduce the above copyright notice, | |
8 // this list of conditions and the following disclaimer in the documentation | |
9 // and/or other materials provided with the distribution. | |
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 | |
12 // specific prior written permission. | |
13 // | |
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 | |
16 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
17 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE | |
18 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
19 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
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, | |
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. | |
24 | |
25 #include <stdlib.h> | |
26 #include "cctest.h" | |
27 | |
28 #include "a64/decoder-a64.h" | |
29 #include "a64/decoder-a64-inl.h" | |
30 #include "a64/disasm-a64.h" | |
31 | |
32 using namespace v8::internal; | |
33 | |
34 TEST(FUZZ_decoder) { | |
35 // Feed noise into the decoder to check that it doesn't crash. | |
36 // 43 million = ~1% of the instruction space. | |
37 static const int instruction_count = 43 * 1024 * 1024; | |
38 | |
39 uint16_t seed[3] = {1, 2, 3}; | |
40 seed48(seed); | |
41 | |
42 Decoder<DispatchingDecoderVisitor> decoder; | |
43 Instruction buffer[kInstructionSize]; | |
44 | |
45 for (int i = 0; i < instruction_count; i++) { | |
46 uint32_t instr = mrand48(); | |
47 buffer->SetInstructionBits(instr); | |
48 decoder.Decode(buffer); | |
49 } | |
50 } | |
51 | |
52 | |
53 TEST(FUZZ_disasm) { | |
54 // Feed noise into the disassembler to check that it doesn't crash. | |
55 // 9 million = ~0.2% of the instruction space. | |
56 static const int instruction_count = 9 * 1024 * 1024; | |
57 | |
58 uint16_t seed[3] = {42, 43, 44}; | |
59 seed48(seed); | |
60 | |
61 Decoder<DispatchingDecoderVisitor> decoder; | |
62 Disassembler disasm; | |
63 Instruction buffer[kInstructionSize]; | |
64 | |
65 decoder.AppendVisitor(&disasm); | |
66 for (int i = 0; i < instruction_count; i++) { | |
67 uint32_t instr = mrand48(); | |
68 buffer->SetInstructionBits(instr); | |
69 decoder.Decode(buffer); | |
70 } | |
71 } | |
OLD | NEW |