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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/code-stubs.h" | 5 #include "src/code-stubs.h" |
6 #include "src/compiler.h" | 6 #include "src/compiler.h" |
7 #include "src/compiler/common-operator.h" | 7 #include "src/compiler/common-operator.h" |
8 #include "src/compiler/frame.h" | 8 #include "src/compiler/frame.h" |
9 #include "src/compiler/linkage.h" | 9 #include "src/compiler/linkage.h" |
10 #include "src/compiler/node.h" | 10 #include "src/compiler/node.h" |
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276 } | 276 } |
277 for (size_t i = 0; i < ReturnCount(); ++i) { | 277 for (size_t i = 0; i < ReturnCount(); ++i) { |
278 if (!GetReturnLocation(i).IsRegister()) return false; | 278 if (!GetReturnLocation(i).IsRegister()) return false; |
279 } | 279 } |
280 return true; | 280 return true; |
281 } | 281 } |
282 | 282 |
283 | 283 |
284 CallDescriptor* Linkage::GetRuntimeCallDescriptor( | 284 CallDescriptor* Linkage::GetRuntimeCallDescriptor( |
285 Zone* zone, Runtime::FunctionId function_id, int js_parameter_count, | 285 Zone* zone, Runtime::FunctionId function_id, int js_parameter_count, |
286 Operator::Properties properties) { | 286 Operator::Properties properties, bool needs_frame_state) { |
287 const size_t function_count = 1; | 287 const size_t function_count = 1; |
288 const size_t num_args_count = 1; | 288 const size_t num_args_count = 1; |
289 const size_t context_count = 1; | 289 const size_t context_count = 1; |
290 const size_t parameter_count = function_count + | 290 const size_t parameter_count = function_count + |
291 static_cast<size_t>(js_parameter_count) + | 291 static_cast<size_t>(js_parameter_count) + |
292 num_args_count + context_count; | 292 num_args_count + context_count; |
293 | 293 |
294 const Runtime::Function* function = Runtime::FunctionForId(function_id); | 294 const Runtime::Function* function = Runtime::FunctionForId(function_id); |
295 const size_t return_count = static_cast<size_t>(function->result_size); | 295 const size_t return_count = static_cast<size_t>(function->result_size); |
296 | 296 |
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319 types.AddParam(kMachAnyTagged); | 319 types.AddParam(kMachAnyTagged); |
320 | 320 |
321 // Add runtime call argument count. | 321 // Add runtime call argument count. |
322 locations.AddParam(regloc(kRuntimeCallArgCountRegister)); | 322 locations.AddParam(regloc(kRuntimeCallArgCountRegister)); |
323 types.AddParam(kMachPtr); | 323 types.AddParam(kMachPtr); |
324 | 324 |
325 // Add context. | 325 // Add context. |
326 locations.AddParam(regloc(kContextRegister)); | 326 locations.AddParam(regloc(kContextRegister)); |
327 types.AddParam(kMachAnyTagged); | 327 types.AddParam(kMachAnyTagged); |
328 | 328 |
329 CallDescriptor::Flags flags = Linkage::FrameStateInputCount(function_id) > 0 | 329 CallDescriptor::Flags flags = |
330 ? CallDescriptor::kNeedsFrameState | 330 needs_frame_state && (Linkage::FrameStateInputCount(function_id) > 0) |
331 : CallDescriptor::kNoFlags; | 331 ? CallDescriptor::kNeedsFrameState |
| 332 : CallDescriptor::kNoFlags; |
332 | 333 |
333 // The target for runtime calls is a code object. | 334 // The target for runtime calls is a code object. |
334 MachineType target_type = kMachAnyTagged; | 335 MachineType target_type = kMachAnyTagged; |
335 LinkageLocation target_loc = LinkageLocation::ForAnyRegister(); | 336 LinkageLocation target_loc = LinkageLocation::ForAnyRegister(); |
336 return new (zone) CallDescriptor( // -- | 337 return new (zone) CallDescriptor( // -- |
337 CallDescriptor::kCallCodeObject, // kind | 338 CallDescriptor::kCallCodeObject, // kind |
338 target_type, // target MachineType | 339 target_type, // target MachineType |
339 target_loc, // target location | 340 target_loc, // target location |
340 types.Build(), // machine_sig | 341 types.Build(), // machine_sig |
341 locations.Build(), // location_sig | 342 locations.Build(), // location_sig |
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522 return LinkageLocation::ForCalleeFrameSlot(spill_index); | 523 return LinkageLocation::ForCalleeFrameSlot(spill_index); |
523 } else { | 524 } else { |
524 // Parameter. Use the assigned location from the incoming call descriptor. | 525 // Parameter. Use the assigned location from the incoming call descriptor. |
525 int parameter_index = 1 + index; // skip index 0, which is the target. | 526 int parameter_index = 1 + index; // skip index 0, which is the target. |
526 return incoming_->GetInputLocation(parameter_index); | 527 return incoming_->GetInputLocation(parameter_index); |
527 } | 528 } |
528 } | 529 } |
529 } // namespace compiler | 530 } // namespace compiler |
530 } // namespace internal | 531 } // namespace internal |
531 } // namespace v8 | 532 } // namespace v8 |
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