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Side by Side Diff: runtime/vm/simulator_mips.cc

Issue 932983002: To satisfy ASAN, use stub instead of & operator to get C++ stack pointer. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 5 years, 10 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 <setjmp.h> // NOLINT 5 #include <setjmp.h> // NOLINT
6 #include <stdlib.h> 6 #include <stdlib.h>
7 7
8 #include "vm/globals.h" 8 #include "vm/globals.h"
9 #if defined(TARGET_ARCH_MIPS) 9 #if defined(TARGET_ARCH_MIPS)
10 10
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48 // "This" is now the last setjmp buffer. 48 // "This" is now the last setjmp buffer.
49 simulator_->set_last_setjmp_buffer(this); 49 simulator_->set_last_setjmp_buffer(this);
50 longjmp(buffer_, 1); 50 longjmp(buffer_, 1);
51 } 51 }
52 52
53 explicit SimulatorSetjmpBuffer(Simulator* sim) { 53 explicit SimulatorSetjmpBuffer(Simulator* sim) {
54 simulator_ = sim; 54 simulator_ = sim;
55 link_ = sim->last_setjmp_buffer(); 55 link_ = sim->last_setjmp_buffer();
56 sim->set_last_setjmp_buffer(this); 56 sim->set_last_setjmp_buffer(this);
57 sp_ = static_cast<uword>(sim->get_register(SP)); 57 sp_ = static_cast<uword>(sim->get_register(SP));
58 native_sp_ = reinterpret_cast<uword>(&sim); // Current C++ stack pointer. 58 native_sp_ = Isolate::GetCurrentStackPointer();
59 } 59 }
60 60
61 ~SimulatorSetjmpBuffer() { 61 ~SimulatorSetjmpBuffer() {
62 ASSERT(simulator_->last_setjmp_buffer() == this); 62 ASSERT(simulator_->last_setjmp_buffer() == this);
63 simulator_->set_last_setjmp_buffer(link_); 63 simulator_->set_last_setjmp_buffer(link_);
64 } 64 }
65 65
66 SimulatorSetjmpBuffer* link() { return link_; } 66 SimulatorSetjmpBuffer* link() { return link_; }
67 67
68 uword sp() { return sp_; } 68 uword sp() { return sp_; }
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1234 Redirection* redirection = Redirection::FromBreakInstruction(instr); 1234 Redirection* redirection = Redirection::FromBreakInstruction(instr);
1235 uword external = redirection->external_function(); 1235 uword external = redirection->external_function();
1236 if (IsTracingExecution()) { 1236 if (IsTracingExecution()) {
1237 OS::Print("Call to host function at 0x%" Pd "\n", external); 1237 OS::Print("Call to host function at 0x%" Pd "\n", external);
1238 } 1238 }
1239 1239
1240 if ((redirection->call_kind() == kRuntimeCall) || 1240 if ((redirection->call_kind() == kRuntimeCall) ||
1241 (redirection->call_kind() == kBootstrapNativeCall) || 1241 (redirection->call_kind() == kBootstrapNativeCall) ||
1242 (redirection->call_kind() == kNativeCall)) { 1242 (redirection->call_kind() == kNativeCall)) {
1243 // Set the top_exit_frame_info of this simulator to the native stack. 1243 // Set the top_exit_frame_info of this simulator to the native stack.
1244 set_top_exit_frame_info(reinterpret_cast<uword>(&buffer)); 1244 set_top_exit_frame_info(Isolate::GetCurrentStackPointer());
1245 } 1245 }
1246 if (redirection->call_kind() == kRuntimeCall) { 1246 if (redirection->call_kind() == kRuntimeCall) {
1247 NativeArguments arguments; 1247 NativeArguments arguments;
1248 ASSERT(sizeof(NativeArguments) == 4*kWordSize); 1248 ASSERT(sizeof(NativeArguments) == 4*kWordSize);
1249 arguments.isolate_ = reinterpret_cast<Isolate*>(get_register(A0)); 1249 arguments.isolate_ = reinterpret_cast<Isolate*>(get_register(A0));
1250 arguments.argc_tag_ = get_register(A1); 1250 arguments.argc_tag_ = get_register(A1);
1251 arguments.argv_ = reinterpret_cast<RawObject*(*)[]>(get_register(A2)); 1251 arguments.argv_ = reinterpret_cast<RawObject*(*)[]>(get_register(A2));
1252 arguments.retval_ = reinterpret_cast<RawObject**>(get_register(A3)); 1252 arguments.retval_ = reinterpret_cast<RawObject**>(get_register(A3));
1253 SimulatorRuntimeCall target = 1253 SimulatorRuntimeCall target =
1254 reinterpret_cast<SimulatorRuntimeCall>(external); 1254 reinterpret_cast<SimulatorRuntimeCall>(external);
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2491 set_register(kExceptionObjectReg, bit_cast<int32_t>(raw_exception)); 2491 set_register(kExceptionObjectReg, bit_cast<int32_t>(raw_exception));
2492 set_register(kStackTraceObjectReg, bit_cast<int32_t>(raw_stacktrace)); 2492 set_register(kStackTraceObjectReg, bit_cast<int32_t>(raw_stacktrace));
2493 buf->Longjmp(); 2493 buf->Longjmp();
2494 } 2494 }
2495 2495
2496 } // namespace dart 2496 } // namespace dart
2497 2497
2498 #endif // !defined(HOST_ARCH_MIPS) 2498 #endif // !defined(HOST_ARCH_MIPS)
2499 2499
2500 #endif // defined TARGET_ARCH_MIPS 2500 #endif // defined TARGET_ARCH_MIPS
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