| 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 | |