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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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_ARM) | 6 #if defined(TARGET_ARCH_ARM) |
| 7 | 7 |
| 8 #include "vm/runtime_entry.h" | 8 #include "vm/runtime_entry.h" |
| 9 | 9 |
| 10 #include "vm/assembler.h" | 10 #include "vm/assembler.h" |
| 11 #include "vm/simulator.h" | 11 #include "vm/simulator.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 __ assembler-> | 16 #define __ assembler-> |
| 17 | 17 |
| 18 | 18 |
| 19 uword RuntimeEntry::GetEntryPoint() const { | 19 uword RuntimeEntry::GetEntryPoint() const { |
| 20 // Compute the effective address. When running under the simulator, | 20 // Compute the effective address. When running under the simulator, |
| 21 // this is a redirection address that forces the simulator to call | 21 // this is a redirection address that forces the simulator to call |
| 22 // into the runtime system. | 22 // into the runtime system. |
| 23 uword entry = reinterpret_cast<uword>(function()); | 23 uword entry = reinterpret_cast<uword>(function()); |
| 24 #if defined(USING_SIMULATOR) | 24 #if defined(USING_SIMULATOR) |
| 25 // Redirection to leaf runtime calls supports a maximum of 4 arguments passed | 25 // Redirection to leaf runtime calls supports a maximum of 4 arguments passed |
| 26 // in registers (maximum 2 double arguments for leaf float runtime calls). | 26 // in registers (maximum 2 double arguments for leaf float runtime calls). |
| 27 ASSERT(argument_count() >= 0); | 27 ASSERT(argument_count() >= 0); |
| 28 ASSERT(!is_leaf() || | 28 ASSERT(!is_leaf() || (!is_float() && (argument_count() <= 4)) || |
| 29 (!is_float() && (argument_count() <= 4)) || | |
| 30 (argument_count() <= 2)); | 29 (argument_count() <= 2)); |
| 31 Simulator::CallKind call_kind = | 30 Simulator::CallKind call_kind = |
| 32 is_leaf() ? (is_float() ? Simulator::kLeafFloatRuntimeCall | 31 is_leaf() ? (is_float() ? Simulator::kLeafFloatRuntimeCall |
| 33 : Simulator::kLeafRuntimeCall) | 32 : Simulator::kLeafRuntimeCall) |
| 34 : Simulator::kRuntimeCall; | 33 : Simulator::kRuntimeCall; |
| 35 entry = | 34 entry = |
| 36 Simulator::RedirectExternalReference(entry, call_kind, argument_count()); | 35 Simulator::RedirectExternalReference(entry, call_kind, argument_count()); |
| 37 #endif | 36 #endif |
| 38 return entry; | 37 return entry; |
| 39 } | 38 } |
| (...skipping 13 matching lines...) Expand all Loading... |
| 53 // informative error message. | 52 // informative error message. |
| 54 __ LoadFromOffset(kWord, R9, THR, Thread::OffsetFromThread(this)); | 53 __ LoadFromOffset(kWord, R9, THR, Thread::OffsetFromThread(this)); |
| 55 __ LoadImmediate(R4, argument_count); | 54 __ LoadImmediate(R4, argument_count); |
| 56 __ BranchLinkToRuntime(); | 55 __ BranchLinkToRuntime(); |
| 57 } | 56 } |
| 58 } | 57 } |
| 59 | 58 |
| 60 } // namespace dart | 59 } // namespace dart |
| 61 | 60 |
| 62 #endif // defined TARGET_ARCH_ARM | 61 #endif // defined TARGET_ARCH_ARM |
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