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Issue 2648223004: [wasm] Change the constant kV8MaxWasmTableSize to a command line flag. (Closed)
Patch Set: Use the wasm-limits.h values in flag-definitions.h 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 <limits.h> 5 #include <limits.h>
6 #include <stddef.h> 6 #include <stddef.h>
7 #include <stdint.h> 7 #include <stdint.h>
8 8
9 #include "include/v8.h" 9 #include "include/v8.h"
10 #include "src/factory.h" 10 #include "src/factory.h"
11 #include "src/isolate-inl.h" 11 #include "src/isolate-inl.h"
12 #include "src/isolate.h" 12 #include "src/isolate.h"
13 #include "src/objects-inl.h" 13 #include "src/objects-inl.h"
14 #include "src/objects.h" 14 #include "src/objects.h"
15 #include "src/wasm/wasm-module.h" 15 #include "src/wasm/wasm-module.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 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { 19 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
20 unsigned int flag_value = v8::internal::FLAG_wasm_max_mem_pages; 20 unsigned int max_mem_flag_value = v8::internal::FLAG_wasm_max_mem_pages;
21 unsigned int max_table_flag_value = v8::internal::FLAG_wasm_max_table_size;
21 v8::internal::FLAG_wasm_max_mem_pages = 32; 22 v8::internal::FLAG_wasm_max_mem_pages = 32;
23 v8::internal::FLAG_wasm_max_table_size = 100;
22 v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get(); 24 v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get();
23 v8::Isolate* isolate = support->GetIsolate(); 25 v8::Isolate* isolate = support->GetIsolate();
24 v8::internal::Isolate* i_isolate = 26 v8::internal::Isolate* i_isolate =
25 reinterpret_cast<v8::internal::Isolate*>(isolate); 27 reinterpret_cast<v8::internal::Isolate*>(isolate);
26 28
27 // Clear any pending exceptions from a prior run. 29 // Clear any pending exceptions from a prior run.
28 if (i_isolate->has_pending_exception()) { 30 if (i_isolate->has_pending_exception()) {
29 i_isolate->clear_pending_exception(); 31 i_isolate->clear_pending_exception();
30 } 32 }
31 33
32 v8::Isolate::Scope isolate_scope(isolate); 34 v8::Isolate::Scope isolate_scope(isolate);
33 v8::HandleScope handle_scope(isolate); 35 v8::HandleScope handle_scope(isolate);
34 v8::Context::Scope context_scope(support->GetContext()); 36 v8::Context::Scope context_scope(support->GetContext());
35 v8::TryCatch try_catch(isolate); 37 v8::TryCatch try_catch(isolate);
36 v8::internal::wasm::testing::SetupIsolateForWasmModule(i_isolate); 38 v8::internal::wasm::testing::SetupIsolateForWasmModule(i_isolate);
37 v8::internal::wasm::testing::CompileAndRunWasmModule( 39 v8::internal::wasm::testing::CompileAndRunWasmModule(
38 i_isolate, data, data + size, 40 i_isolate, data, data + size,
39 v8::internal::wasm::ModuleOrigin::kAsmJsOrigin); 41 v8::internal::wasm::ModuleOrigin::kAsmJsOrigin);
40 v8::internal::FLAG_wasm_max_mem_pages = flag_value; 42 v8::internal::FLAG_wasm_max_mem_pages = max_mem_flag_value;
43 v8::internal::FLAG_wasm_max_table_size = max_table_flag_value;
41 return 0; 44 return 0;
42 } 45 }
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