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Issue 13407003: Third codegen test passing for simulated MIPS. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 8 months ago
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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"
11 #include "vm/simulator.h"
12 #include "vm/stub_code.h"
13
10 namespace dart { 14 namespace dart {
11 15
16 #define __ assembler->
17
18
19 // Generate code to call into the stub which will call the runtime
20 // function. Input for the stub is as follows:
21 // SP : points to the arguments and return value array.
22 // S5 : address of the runtime function to call.
23 // S4 : number of arguments to the call.
12 void RuntimeEntry::Call(Assembler* assembler) const { 24 void RuntimeEntry::Call(Assembler* assembler) const {
13 UNIMPLEMENTED(); 25 // Compute the effective address. When running under the simulator,
26 // this is a redirection address that forces the simulator to call
27 // into the runtime system.
28 uword entry = GetEntryPoint();
29 #if defined(USING_SIMULATOR)
30 // Redirection to leaf runtime calls supports a maximum of 4 arguments passed
31 // in registers.
32 ASSERT(!is_leaf() || (argument_count() <= 4));
33 Simulator::CallKind call_kind =
34 is_leaf() ? Simulator::kLeafRuntimeCall : Simulator::kRuntimeCall;
35 entry = Simulator::RedirectExternalReference(entry, call_kind);
36 #endif
37 if (is_leaf()) {
38 ExternalLabel label(name(), entry);
39 __ BranchLink(&label);
40 } else {
41 __ LoadImmediate(S5, entry);
42 __ LoadImmediate(S4, argument_count());
43 __ BranchLink(&StubCode::CallToRuntimeLabel());
44 }
14 } 45 }
15 46
16 } // namespace dart 47 } // namespace dart
17 48
18 #endif // defined TARGET_ARCH_MIPS 49 #endif // defined TARGET_ARCH_MIPS
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