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Issue 2657443003: [wasm] Fix the --wasm_code_fuzzer_gen_test again. (Closed)
Patch Set: More renaming Created 3 years, 11 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 1 // Copyright 2016 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include <stddef.h> 5 #include <stddef.h>
6 #include <stdint.h> 6 #include <stdint.h>
7 7
8 #include "include/v8.h" 8 #include "include/v8.h"
9 #include "src/isolate.h" 9 #include "src/isolate.h"
10 #include "src/objects.h" 10 #include "src/objects.h"
11 #include "src/ostreams.h" 11 #include "src/ostreams.h"
12 #include "src/wasm/wasm-interpreter.h" 12 #include "src/wasm/wasm-interpreter.h"
13 #include "src/wasm/wasm-module-builder.h" 13 #include "src/wasm/wasm-module-builder.h"
14 #include "src/wasm/wasm-module.h" 14 #include "src/wasm/wasm-module.h"
15 #include "test/common/wasm/test-signatures.h" 15 #include "test/common/wasm/test-signatures.h"
16 #include "test/common/wasm/wasm-module-runner.h" 16 #include "test/common/wasm/wasm-module-runner.h"
17 #include "test/fuzzer/fuzzer-support.h" 17 #include "test/fuzzer/fuzzer-support.h"
18 18
19 #define WASM_CODE_FUZZER_HASH_SEED 83 19 #define WASM_CODE_FUZZER_HASH_SEED 83
20 20
21 using namespace v8::internal::wasm; 21 using namespace v8::internal::wasm;
22 22
23 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { 23 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
24 // Save the flag so that we can change it and restore it later. 24 // Save the flag so that we can change it and restore it later.
25 bool generate_test = v8::internal::FLAG_wasm_code_fuzzer_gen_test; 25 bool generate_test = v8::internal::FLAG_wasm_code_fuzzer_gen_test;
26 if (generate_test) { 26 if (generate_test) {
27 v8::internal::OFStream os(stdout); 27 v8::internal::OFStream os(stdout);
28 28
29 os << "// Copyright 2016 the V8 project authors. All rights reserved." 29 os << "// Copyright 2017 the V8 project authors. All rights reserved."
30 << std::endl; 30 << std::endl;
31 os << "// Use of this source code is governed by a BSD-style license that " 31 os << "// Use of this source code is governed by a BSD-style license that "
32 "can be" 32 "can be"
33 << std::endl; 33 << std::endl;
34 os << "// found in the LICENSE file." << std::endl; 34 os << "// found in the LICENSE file." << std::endl;
35 os << std::endl; 35 os << std::endl;
36 os << "// Flags: --expose-wasm" << std::endl;
37 os << std::endl;
38 os << "load(\"test/mjsunit/wasm/wasm-constants.js\");" << std::endl; 36 os << "load(\"test/mjsunit/wasm/wasm-constants.js\");" << std::endl;
39 os << "load(\"test/mjsunit/wasm/wasm-module-builder.js\");" << std::endl; 37 os << "load(\"test/mjsunit/wasm/wasm-module-builder.js\");" << std::endl;
40 os << std::endl; 38 os << std::endl;
41 os << "(function() {" << std::endl; 39 os << "(function() {" << std::endl;
42 os << " var builder = new WasmModuleBuilder();" << std::endl; 40 os << " var builder = new WasmModuleBuilder();" << std::endl;
41 os << " builder.addMemory(32, 32, false);" << std::endl;
43 os << " builder.addFunction(\"test\", kSig_i_iii)" << std::endl; 42 os << " builder.addFunction(\"test\", kSig_i_iii)" << std::endl;
44 os << " .addBody([" << std::endl; 43 os << " .addBodyWithEnd([" << std::endl;
45 } 44 }
46 v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get(); 45 v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get();
47 v8::Isolate* isolate = support->GetIsolate(); 46 v8::Isolate* isolate = support->GetIsolate();
48 v8::internal::Isolate* i_isolate = 47 v8::internal::Isolate* i_isolate =
49 reinterpret_cast<v8::internal::Isolate*>(isolate); 48 reinterpret_cast<v8::internal::Isolate*>(isolate);
50 49
51 // Clear any pending exceptions from a prior run. 50 // Clear any pending exceptions from a prior run.
52 if (i_isolate->has_pending_exception()) { 51 if (i_isolate->has_pending_exception()) {
53 i_isolate->clear_pending_exception(); 52 i_isolate->clear_pending_exception();
54 } 53 }
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146 // result_compiled. Therefore we do not check the equality of the results 145 // result_compiled. Therefore we do not check the equality of the results
147 // if the execution may have produced a NaN at some point. 146 // if the execution may have produced a NaN at some point.
148 if (!possible_nondeterminism && (result_interpreted != result_compiled)) { 147 if (!possible_nondeterminism && (result_interpreted != result_compiled)) {
149 V8_Fatal(__FILE__, __LINE__, "WasmCodeFuzzerHash=%x", 148 V8_Fatal(__FILE__, __LINE__, "WasmCodeFuzzerHash=%x",
150 v8::internal::StringHasher::HashSequentialString( 149 v8::internal::StringHasher::HashSequentialString(
151 data, static_cast<int>(size), WASM_CODE_FUZZER_HASH_SEED)); 150 data, static_cast<int>(size), WASM_CODE_FUZZER_HASH_SEED));
152 } 151 }
153 } 152 }
154 return 0; 153 return 0;
155 } 154 }
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