| 1 | // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file | 
|---|
| 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. | 
|---|
| 4 |  | 
|---|
| 5 | #include "platform/assert.h" | 
|---|
| 6 | #include "vm/globals.h" | 
|---|
| 7 | #if defined(TARGET_ARCH_X64) | 
|---|
| 8 |  | 
|---|
| 9 | #include "vm/compiler/assembler/assembler.h" | 
|---|
| 10 | #include "vm/object.h" | 
|---|
| 11 | #include "vm/unit_test.h" | 
|---|
| 12 |  | 
|---|
| 13 | namespace dart { | 
|---|
| 14 |  | 
|---|
| 15 | #define __ assembler-> | 
|---|
| 16 |  | 
|---|
| 17 | // Generate a simple dart code sequence. | 
|---|
| 18 | // This is used to test Code and Instruction object creation. | 
|---|
| 19 | void GenerateIncrement(compiler::Assembler* assembler) { | 
|---|
| 20 | __ movq(RAX, compiler::Immediate(0)); | 
|---|
| 21 | __ pushq(RAX); | 
|---|
| 22 | __ incq(compiler::Address(RSP, 0)); | 
|---|
| 23 | __ movq(RCX, compiler::Address(RSP, 0)); | 
|---|
| 24 | __ incq(RCX); | 
|---|
| 25 | __ popq(RAX); | 
|---|
| 26 | __ movq(RAX, RCX); | 
|---|
| 27 | __ ret(); | 
|---|
| 28 | } | 
|---|
| 29 |  | 
|---|
| 30 | // Generate a dart code sequence that embeds a string object in it. | 
|---|
| 31 | // This is used to test Embedded String objects in the instructions. | 
|---|
| 32 | void GenerateEmbedStringInCode(compiler::Assembler* assembler, | 
|---|
| 33 | const char* str) { | 
|---|
| 34 | const String& string_object = | 
|---|
| 35 | String::ZoneHandle(String::New(str, Heap::kOld)); | 
|---|
| 36 | __ EnterStubFrame(); | 
|---|
| 37 | __ LoadObject(RAX, string_object); | 
|---|
| 38 | __ LeaveStubFrame(); | 
|---|
| 39 | __ ret(); | 
|---|
| 40 | } | 
|---|
| 41 |  | 
|---|
| 42 | // Generate a dart code sequence that embeds a smi object in it. | 
|---|
| 43 | // This is used to test Embedded Smi objects in the instructions. | 
|---|
| 44 | void GenerateEmbedSmiInCode(compiler::Assembler* assembler, intptr_t value) { | 
|---|
| 45 | const Smi& smi_object = Smi::ZoneHandle(Smi::New(value)); | 
|---|
| 46 | __ movq(RAX, compiler::Immediate(static_cast<int64_t>(smi_object.raw()))); | 
|---|
| 47 | __ ret(); | 
|---|
| 48 | } | 
|---|
| 49 |  | 
|---|
| 50 | }  // namespace dart | 
|---|
| 51 |  | 
|---|
| 52 | #endif  // defined TARGET_ARCH_X64 | 
|---|
| 53 |  | 
|---|