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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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 | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 360 return v8::Utils::OpenHandle(*fun); | 360 return v8::Utils::OpenHandle(*fun); |
| 361 } | 361 } |
| 362 | 362 |
| 363 | 363 |
| 364 static void CheckCodeForUnsafeLiteral(Handle<JSFunction> f) { | 364 static void CheckCodeForUnsafeLiteral(Handle<JSFunction> f) { |
| 365 // Create a disassembler with default name lookup. | 365 // Create a disassembler with default name lookup. |
| 366 disasm::NameConverter name_converter; | 366 disasm::NameConverter name_converter; |
| 367 disasm::Disassembler d(name_converter); | 367 disasm::Disassembler d(name_converter); |
| 368 | 368 |
| 369 if (f->code()->kind() == Code::FUNCTION) { | 369 if (f->code()->kind() == Code::FUNCTION) { |
| 370 #ifdef DEBUG |
| 371 f->code()->PrintLn(); |
| 372 #endif |
| 370 Address pc = f->code()->instruction_start(); | 373 Address pc = f->code()->instruction_start(); |
| 371 int decode_size = | 374 int decode_size = |
| 372 Min(f->code()->instruction_size(), | 375 Min(f->code()->instruction_size(), |
| 373 static_cast<int>(f->code()->stack_check_table_offset())); | 376 static_cast<int>(f->code()->stack_check_table_offset())); |
| 374 Address end = pc + decode_size; | 377 Address end = pc + decode_size; |
| 375 | 378 |
| 376 v8::internal::EmbeddedVector<char, 128> decode_buffer; | 379 v8::internal::EmbeddedVector<char, 128> decode_buffer; |
| 377 while (pc < end) { | 380 while (pc < end) { |
| 381 PrintF("%08x\n", reinterpret_cast<intptr_t>(pc)); |
| 378 pc += d.InstructionDecode(decode_buffer, pc); | 382 pc += d.InstructionDecode(decode_buffer, pc); |
| 379 CHECK(strstr(decode_buffer.start(), "mov eax,0x178c29c") == NULL); | 383 CHECK(strstr(decode_buffer.start(), "mov eax,0x178c29c") == NULL); |
| 380 CHECK(strstr(decode_buffer.start(), "push 0x178c29c") == NULL); | 384 CHECK(strstr(decode_buffer.start(), "push 0x178c29c") == NULL); |
| 381 CHECK(strstr(decode_buffer.start(), "0x178c29c") == NULL); | 385 CHECK(strstr(decode_buffer.start(), "0x178c29c") == NULL); |
| 382 } | 386 } |
| 383 } | 387 } |
| 384 } | 388 } |
| 385 | 389 |
| 386 | 390 |
| 387 TEST(SplitConstantsInFullCompiler) { | 391 TEST(SplitConstantsInFullCompiler) { |
| 388 v8::HandleScope scope; | 392 v8::HandleScope scope; |
| 389 LocalContext env; | 393 LocalContext env; |
| 390 | 394 |
| 391 CompileRun("function f() { a = 12345678 }; f();"); | 395 CompileRun("function f() { a = 12345678 }; f();"); |
| 392 CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f")); | 396 CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f")); |
| 393 CompileRun("function f(x) { a = 12345678 + x}; f(1);"); | 397 CompileRun("function f(x) { a = 12345678 + x}; f(1);"); |
| 394 CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f")); | 398 CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f")); |
| 395 CompileRun("function f(x) { var arguments = 1; x += 12345678}; f(1);"); | 399 CompileRun("function f(x) { var arguments = 1; x += 12345678}; f(1);"); |
| 396 CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f")); | 400 CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f")); |
| 397 CompileRun("function f(x) { var arguments = 1; x = 12345678}; f(1);"); | 401 CompileRun("function f(x) { var arguments = 1; x = 12345678}; f(1);"); |
| 398 CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f")); | 402 CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f")); |
| 399 } | 403 } |
| 400 #endif | 404 #endif |
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