Ryan Macnak
7973eacdd0
We now have a mode where the simulator is available but not always used. TEST=ci Change-Id: If271f334150e2a125a014a4baa2e03d726300d35 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/435562 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Slava Egorov <vegorov@google.com>
104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#include "vm/globals.h"
|
|
#include "vm/instructions.h"
|
|
#include "vm/signal_handler.h"
|
|
#include "vm/simulator.h"
|
|
#if defined(DART_HOST_OS_MACOS)
|
|
|
|
namespace dart {
|
|
|
|
uintptr_t SignalHandler::GetProgramCounter(const mcontext_t& mcontext) {
|
|
uintptr_t pc = 0;
|
|
|
|
#if defined(HOST_ARCH_IA32)
|
|
pc = static_cast<uintptr_t>(mcontext->__ss.__eip);
|
|
#elif defined(HOST_ARCH_X64)
|
|
pc = static_cast<uintptr_t>(mcontext->__ss.__rip);
|
|
#elif defined(HOST_ARCH_ARM)
|
|
pc = static_cast<uintptr_t>(mcontext->__ss.__pc);
|
|
#elif defined(HOST_ARCH_ARM64)
|
|
pc = static_cast<uintptr_t>(mcontext->__ss.__pc);
|
|
#else
|
|
#error Unsupported architecture.
|
|
#endif // HOST_ARCH_...
|
|
|
|
return pc;
|
|
}
|
|
|
|
uintptr_t SignalHandler::GetFramePointer(const mcontext_t& mcontext) {
|
|
uintptr_t fp = 0;
|
|
|
|
#if defined(HOST_ARCH_IA32)
|
|
fp = static_cast<uintptr_t>(mcontext->__ss.__ebp);
|
|
#elif defined(HOST_ARCH_X64)
|
|
fp = static_cast<uintptr_t>(mcontext->__ss.__rbp);
|
|
#elif defined(HOST_ARCH_ARM)
|
|
fp = static_cast<uintptr_t>(mcontext->__ss.__r[7]);
|
|
#elif defined(HOST_ARCH_ARM64)
|
|
fp = static_cast<uintptr_t>(mcontext->__ss.__fp);
|
|
#else
|
|
#error Unsupported architecture.
|
|
#endif // HOST_ARCH_...
|
|
|
|
return fp;
|
|
}
|
|
|
|
uintptr_t SignalHandler::GetCStackPointer(const mcontext_t& mcontext) {
|
|
uintptr_t sp = 0;
|
|
|
|
#if defined(HOST_ARCH_IA32)
|
|
sp = static_cast<uintptr_t>(mcontext->__ss.__esp);
|
|
#elif defined(HOST_ARCH_X64)
|
|
sp = static_cast<uintptr_t>(mcontext->__ss.__rsp);
|
|
#elif defined(HOST_ARCH_ARM)
|
|
sp = static_cast<uintptr_t>(mcontext->__ss.__sp);
|
|
#elif defined(HOST_ARCH_ARM64)
|
|
sp = static_cast<uintptr_t>(mcontext->__ss.__sp);
|
|
#else
|
|
UNIMPLEMENTED();
|
|
#endif // HOST_ARCH_...
|
|
|
|
return sp;
|
|
}
|
|
|
|
uintptr_t SignalHandler::GetDartStackPointer(const mcontext_t& mcontext) {
|
|
#if defined(TARGET_ARCH_ARM64) && !defined(DART_INCLUDE_SIMULATOR)
|
|
return static_cast<uintptr_t>(mcontext->__ss.__x[SPREG]);
|
|
#else
|
|
return GetCStackPointer(mcontext);
|
|
#endif
|
|
}
|
|
|
|
uintptr_t SignalHandler::GetLinkRegister(const mcontext_t& mcontext) {
|
|
uintptr_t lr = 0;
|
|
|
|
#if defined(HOST_ARCH_IA32)
|
|
lr = 0;
|
|
#elif defined(HOST_ARCH_X64)
|
|
lr = 0;
|
|
#elif defined(HOST_ARCH_ARM)
|
|
lr = static_cast<uintptr_t>(mcontext->__ss.__lr);
|
|
#elif defined(HOST_ARCH_ARM64)
|
|
lr = static_cast<uintptr_t>(mcontext->__ss.__lr);
|
|
#else
|
|
#error Unsupported architecture.
|
|
#endif // HOST_ARCH_...
|
|
|
|
return lr;
|
|
}
|
|
|
|
void SignalHandler::Install(SignalAction action) {
|
|
// Nothing to do on MacOS.
|
|
}
|
|
|
|
void SignalHandler::Remove() {
|
|
// Nothing to do on MacOS.
|
|
}
|
|
|
|
} // namespace dart
|
|
|
|
#endif // defined(DART_HOST_OS_MACOS)
|