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Issue 2994863002: Reapply "Eliminate dependencies on assemblers and code stubs in precompiled runtime." (Closed)
Patch Set: Exclude references to disassembler in precompiled mode Created 3 years, 4 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/globals.h" 5 #include "vm/globals.h"
6 #if defined(TARGET_ARCH_IA32) 6 #if defined(TARGET_ARCH_IA32)
7 7
8 #include "vm/runtime_entry.h" 8 #include "vm/runtime_entry.h"
9 9
10 #include "vm/assembler.h" 10 #include "vm/assembler.h"
11 #include "vm/stub_code.h" 11 #include "vm/stub_code.h"
12 12
13 namespace dart { 13 namespace dart {
14 14
15 #define __ assembler-> 15 #define __ assembler->
16 16
17 uword RuntimeEntry::GetEntryPoint() const { 17 uword RuntimeEntry::GetEntryPoint() const {
18 return reinterpret_cast<uword>(function()); 18 return reinterpret_cast<uword>(function());
19 } 19 }
20 20
21 #if !defined(DART_PRECOMPILED_RUNTIME)
21 // Generate code to call into the stub which will call the runtime 22 // Generate code to call into the stub which will call the runtime
22 // function. Input for the stub is as follows: 23 // function. Input for the stub is as follows:
23 // For regular runtime calls - 24 // For regular runtime calls -
24 // ESP : points to the arguments and return value array. 25 // ESP : points to the arguments and return value array.
25 // ECX : address of the runtime function to call. 26 // ECX : address of the runtime function to call.
26 // EDX : number of arguments to the call as Smi. 27 // EDX : number of arguments to the call as Smi.
27 // For leaf calls the caller is responsible to setup the arguments 28 // For leaf calls the caller is responsible to setup the arguments
28 // and look for return values based on the C calling convention. 29 // and look for return values based on the C calling convention.
29 void RuntimeEntry::Call(Assembler* assembler, intptr_t argument_count) const { 30 void RuntimeEntry::Call(Assembler* assembler, intptr_t argument_count) const {
30 if (is_leaf()) { 31 if (is_leaf()) {
31 ASSERT(argument_count == this->argument_count()); 32 ASSERT(argument_count == this->argument_count());
32 ExternalLabel label(GetEntryPoint()); 33 ExternalLabel label(GetEntryPoint());
33 __ call(&label); 34 __ call(&label);
34 } else { 35 } else {
35 // Argument count is not checked here, but in the runtime entry for a more 36 // Argument count is not checked here, but in the runtime entry for a more
36 // informative error message. 37 // informative error message.
37 __ movl(ECX, Immediate(GetEntryPoint())); 38 __ movl(ECX, Immediate(GetEntryPoint()));
38 __ movl(EDX, Immediate(argument_count)); 39 __ movl(EDX, Immediate(argument_count));
39 __ CallToRuntime(); 40 __ CallToRuntime();
40 } 41 }
41 } 42 }
43 #endif // !defined(DART_PRECOMPILED_RUNTIME)
42 44
43 } // namespace dart 45 } // namespace dart
44 46
45 #endif // defined TARGET_ARCH_IA32 47 #endif // defined TARGET_ARCH_IA32
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