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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_MIPS) | 6 #if defined(TARGET_ARCH_MIPS) |
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 } |
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54 // informative error message. | 53 // informative error message. |
55 __ lw(S5, Address(THR, Thread::OffsetFromThread(this))); | 54 __ lw(S5, Address(THR, Thread::OffsetFromThread(this))); |
56 __ LoadImmediate(S4, argument_count); | 55 __ LoadImmediate(S4, argument_count); |
57 __ BranchLinkToRuntime(); | 56 __ BranchLinkToRuntime(); |
58 } | 57 } |
59 } | 58 } |
60 | 59 |
61 } // namespace dart | 60 } // namespace dart |
62 | 61 |
63 #endif // defined TARGET_ARCH_MIPS | 62 #endif // defined TARGET_ARCH_MIPS |
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