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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 #ifndef V8_COMPILER_LINKAGE_H_ | 5 #ifndef V8_COMPILER_LINKAGE_H_ |
6 #define V8_COMPILER_LINKAGE_H_ | 6 #define V8_COMPILER_LINKAGE_H_ |
7 | 7 |
8 #include "src/base/flags.h" | 8 #include "src/base/flags.h" |
9 #include "src/compiler/frame.h" | 9 #include "src/compiler/frame.h" |
10 #include "src/compiler/machine-type.h" | 10 #include "src/compiler/machine-type.h" |
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49 class CallDescriptor FINAL : public ZoneObject { | 49 class CallDescriptor FINAL : public ZoneObject { |
50 public: | 50 public: |
51 // Describes the kind of this call, which determines the target. | 51 // Describes the kind of this call, which determines the target. |
52 enum Kind { | 52 enum Kind { |
53 kCallCodeObject, // target is a Code object | 53 kCallCodeObject, // target is a Code object |
54 kCallJSFunction, // target is a JSFunction object | 54 kCallJSFunction, // target is a JSFunction object |
55 kCallAddress // target is a machine pointer | 55 kCallAddress // target is a machine pointer |
56 }; | 56 }; |
57 | 57 |
58 enum Flag { | 58 enum Flag { |
59 // TODO(jarin) kLazyDeoptimization and kNeedsFrameState should be unified. | |
60 kNoFlags = 0u, | 59 kNoFlags = 0u, |
61 kNeedsFrameState = 1u << 0, | 60 kNeedsFrameState = 1u << 0, |
62 kPatchableCallSite = 1u << 1, | 61 kPatchableCallSite = 1u << 1, |
63 kNeedsNopAfterCall = 1u << 2, | 62 kNeedsNopAfterCall = 1u << 2, |
| 63 kHasExceptionHandler = 1u << 3, |
64 kPatchableCallSiteWithNop = kPatchableCallSite | kNeedsNopAfterCall | 64 kPatchableCallSiteWithNop = kPatchableCallSite | kNeedsNopAfterCall |
65 }; | 65 }; |
66 typedef base::Flags<Flag> Flags; | 66 typedef base::Flags<Flag> Flags; |
67 | 67 |
68 CallDescriptor(Kind kind, MachineType target_type, LinkageLocation target_loc, | 68 CallDescriptor(Kind kind, MachineType target_type, LinkageLocation target_loc, |
69 const MachineSignature* machine_sig, | 69 const MachineSignature* machine_sig, |
70 LocationSignature* location_sig, size_t js_param_count, | 70 LocationSignature* location_sig, size_t js_param_count, |
71 Operator::Properties properties, | 71 Operator::Properties properties, |
72 RegList callee_saved_registers, Flags flags, | 72 RegList callee_saved_registers, Flags flags, |
73 const char* debug_name = "") | 73 const char* debug_name = "") |
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237 CallDescriptor* const incoming_; | 237 CallDescriptor* const incoming_; |
238 | 238 |
239 DISALLOW_COPY_AND_ASSIGN(Linkage); | 239 DISALLOW_COPY_AND_ASSIGN(Linkage); |
240 }; | 240 }; |
241 | 241 |
242 } // namespace compiler | 242 } // namespace compiler |
243 } // namespace internal | 243 } // namespace internal |
244 } // namespace v8 | 244 } // namespace v8 |
245 | 245 |
246 #endif // V8_COMPILER_LINKAGE_H_ | 246 #endif // V8_COMPILER_LINKAGE_H_ |
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