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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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2487 } | 2487 } |
2488 | 2488 |
2489 // Call C function. | 2489 // Call C function. |
2490 __ mov(Operand(esp, 0 * kPointerSize), edi); // argc. | 2490 __ mov(Operand(esp, 0 * kPointerSize), edi); // argc. |
2491 __ mov(Operand(esp, 1 * kPointerSize), esi); // argv. | 2491 __ mov(Operand(esp, 1 * kPointerSize), esi); // argv. |
2492 __ mov(Operand(esp, 2 * kPointerSize), | 2492 __ mov(Operand(esp, 2 * kPointerSize), |
2493 Immediate(ExternalReference::isolate_address(isolate()))); | 2493 Immediate(ExternalReference::isolate_address(isolate()))); |
2494 __ call(ebx); | 2494 __ call(ebx); |
2495 // Result is in eax or edx:eax - do not destroy these registers! | 2495 // Result is in eax or edx:eax - do not destroy these registers! |
2496 | 2496 |
2497 // Runtime functions should not return 'the hole'. Allowing it to escape may | |
2498 // lead to crashes in the IC code later. | |
2499 if (FLAG_debug_code) { | |
2500 Label okay; | |
2501 __ cmp(eax, isolate()->factory()->the_hole_value()); | |
2502 __ j(not_equal, &okay, Label::kNear); | |
2503 __ int3(); | |
2504 __ bind(&okay); | |
2505 } | |
2506 | |
2507 // Check result for exception sentinel. | 2497 // Check result for exception sentinel. |
2508 Label exception_returned; | 2498 Label exception_returned; |
2509 __ cmp(eax, isolate()->factory()->exception()); | 2499 __ cmp(eax, isolate()->factory()->exception()); |
2510 __ j(equal, &exception_returned); | 2500 __ j(equal, &exception_returned); |
2511 | 2501 |
2512 // Check that there is no pending exception, otherwise we | 2502 // Check that there is no pending exception, otherwise we |
2513 // should have returned the exception sentinel. | 2503 // should have returned the exception sentinel. |
2514 if (FLAG_debug_code) { | 2504 if (FLAG_debug_code) { |
2515 __ push(edx); | 2505 __ push(edx); |
2516 __ mov(edx, Immediate(isolate()->factory()->the_hole_value())); | 2506 __ mov(edx, Immediate(isolate()->factory()->the_hole_value())); |
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5408 ApiParameterOperand(2), kStackSpace, nullptr, | 5398 ApiParameterOperand(2), kStackSpace, nullptr, |
5409 Operand(ebp, 7 * kPointerSize), NULL); | 5399 Operand(ebp, 7 * kPointerSize), NULL); |
5410 } | 5400 } |
5411 | 5401 |
5412 | 5402 |
5413 #undef __ | 5403 #undef __ |
5414 | 5404 |
5415 } } // namespace v8::internal | 5405 } } // namespace v8::internal |
5416 | 5406 |
5417 #endif // V8_TARGET_ARCH_IA32 | 5407 #endif // V8_TARGET_ARCH_IA32 |
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