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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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_X64) | 6 #if defined(TARGET_ARCH_X64) |
7 | 7 |
8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
9 #include "vm/heap.h" | 9 #include "vm/heap.h" |
10 #include "vm/memory_region.h" | 10 #include "vm/memory_region.h" |
11 #include "vm/runtime_entry.h" | 11 #include "vm/runtime_entry.h" |
12 #include "vm/stub_code.h" | 12 #include "vm/stub_code.h" |
13 | 13 |
14 namespace dart { | 14 namespace dart { |
15 | 15 |
16 DEFINE_FLAG(bool, print_stop_message, true, "Print stop message."); | 16 DEFINE_FLAG(bool, print_stop_message, true, "Print stop message."); |
17 DEFINE_FLAG(bool, code_comments, false, | |
18 "Include comments into code and disassembly"); | |
19 DEFINE_FLAG(bool, use_sse41, true, "Use SSE 4.1 if available"); | 17 DEFINE_FLAG(bool, use_sse41, true, "Use SSE 4.1 if available"); |
20 | 18 |
21 | 19 |
22 bool CPUFeatures::sse4_1_supported_ = false; | 20 bool CPUFeatures::sse4_1_supported_ = false; |
23 #ifdef DEBUG | 21 #ifdef DEBUG |
24 bool CPUFeatures::initialized_ = false; | 22 bool CPUFeatures::initialized_ = false; |
25 #endif | 23 #endif |
26 | 24 |
27 bool CPUFeatures::sse4_1_supported() { | 25 bool CPUFeatures::sse4_1_supported() { |
28 DEBUG_ASSERT(initialized_); | 26 DEBUG_ASSERT(initialized_); |
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2132 LoadClassById(result, TMP); | 2130 LoadClassById(result, TMP); |
2133 } | 2131 } |
2134 | 2132 |
2135 | 2133 |
2136 void Assembler::CompareClassId(Register object, intptr_t class_id) { | 2134 void Assembler::CompareClassId(Register object, intptr_t class_id) { |
2137 LoadClassId(TMP, object); | 2135 LoadClassId(TMP, object); |
2138 cmpl(TMP, Immediate(class_id)); | 2136 cmpl(TMP, Immediate(class_id)); |
2139 } | 2137 } |
2140 | 2138 |
2141 | 2139 |
2142 void Assembler::Comment(const char* format, ...) { | |
2143 if (FLAG_code_comments) { | |
2144 char buffer[1024]; | |
2145 | |
2146 va_list args; | |
2147 va_start(args, format); | |
2148 OS::VSNPrint(buffer, sizeof(buffer), format, args); | |
2149 va_end(args); | |
2150 | |
2151 comments_.Add(new CodeComment(buffer_.GetPosition(), | |
2152 String::Handle(String::New(buffer)))); | |
2153 } | |
2154 } | |
2155 | |
2156 | |
2157 const Code::Comments& Assembler::GetCodeComments() const { | |
2158 Code::Comments& comments = Code::Comments::New(comments_.length()); | |
2159 | |
2160 for (intptr_t i = 0; i < comments_.length(); i++) { | |
2161 comments.SetPCOffsetAt(i, comments_[i]->pc_offset()); | |
2162 comments.SetCommentAt(i, comments_[i]->comment()); | |
2163 } | |
2164 | |
2165 return comments; | |
2166 } | |
2167 | |
2168 | |
2169 static const char* cpu_reg_names[kNumberOfCpuRegisters] = { | 2140 static const char* cpu_reg_names[kNumberOfCpuRegisters] = { |
2170 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", | 2141 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", |
2171 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | 2142 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" |
2172 }; | 2143 }; |
2173 | 2144 |
2174 | 2145 |
2175 const char* Assembler::RegisterName(Register reg) { | 2146 const char* Assembler::RegisterName(Register reg) { |
2176 ASSERT((0 <= reg) && (reg < kNumberOfCpuRegisters)); | 2147 ASSERT((0 <= reg) && (reg < kNumberOfCpuRegisters)); |
2177 return cpu_reg_names[reg]; | 2148 return cpu_reg_names[reg]; |
2178 } | 2149 } |
2179 | 2150 |
2180 | 2151 |
2181 static const char* xmm_reg_names[kNumberOfXmmRegisters] = { | 2152 static const char* xmm_reg_names[kNumberOfXmmRegisters] = { |
2182 "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7", | 2153 "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7", |
2183 "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15" | 2154 "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15" |
2184 }; | 2155 }; |
2185 | 2156 |
2186 | 2157 |
2187 const char* Assembler::FpuRegisterName(FpuRegister reg) { | 2158 const char* Assembler::FpuRegisterName(FpuRegister reg) { |
2188 ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters)); | 2159 ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters)); |
2189 return xmm_reg_names[reg]; | 2160 return xmm_reg_names[reg]; |
2190 } | 2161 } |
2191 | 2162 |
2192 | 2163 |
2193 } // namespace dart | 2164 } // namespace dart |
2194 | 2165 |
2195 #endif // defined TARGET_ARCH_X64 | 2166 #endif // defined TARGET_ARCH_X64 |
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