mirror of
https://github.com/dart-lang/sdk
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6e28f8bb40
Don't mark SP as clobbered because newer clang versions do not like that. Fixes https://github.com/dart-lang/sdk/issues/46873 TEST=ci Cq-Include-Trybots: luci.dart.try:vm-ffi-android-release-arm-try,vm-ffi-android-product-arm-try Change-Id: I5b794e7bb02e62576c4c40b8132f9c798cb7639c Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/209917 Commit-Queue: Slava Egorov <vegorov@google.com> Reviewed-by: Daco Harkes <dacoharkes@google.com>
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_VM_SIGNAL_HANDLER_H_
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#define RUNTIME_VM_SIGNAL_HANDLER_H_
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#include "vm/allocation.h"
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#include "vm/globals.h"
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#if defined(DART_HOST_OS_LINUX)
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#include <signal.h> // NOLINT
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#include <ucontext.h> // NOLINT
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#elif defined(DART_HOST_OS_ANDROID)
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#include <signal.h> // NOLINT
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#if !defined(__BIONIC_HAVE_UCONTEXT_T)
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#include <asm/sigcontext.h> // NOLINT
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// If ucontext_t is not defined on Android, define it here.
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typedef struct sigcontext mcontext_t;
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typedef struct ucontext {
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uint32_t uc_flags;
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struct ucontext* uc_link;
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stack_t uc_stack;
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struct sigcontext uc_mcontext;
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uint32_t uc_sigmask;
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} ucontext_t;
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#endif // !defined(__BIONIC_HAVE_UCONTEXT_T)
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#elif defined(DART_HOST_OS_MACOS)
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#include <signal.h> // NOLINT
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#include <sys/ucontext.h> // NOLINT
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#elif defined(DART_HOST_OS_WINDOWS)
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// Stub out for windows.
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struct siginfo_t;
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struct mcontext_t;
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struct sigset_t {};
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#elif defined(DART_HOST_OS_FUCHSIA)
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#include <signal.h> // NOLINT
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#include <ucontext.h> // NOLINT
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#endif
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namespace dart {
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typedef void (*SignalAction)(int signal, siginfo_t* info, void* context);
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class SignalHandler : public AllStatic {
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public:
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static void Install(SignalAction action);
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static void Remove();
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static uintptr_t GetProgramCounter(const mcontext_t& mcontext);
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static uintptr_t GetFramePointer(const mcontext_t& mcontext);
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static uintptr_t GetCStackPointer(const mcontext_t& mcontext);
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static uintptr_t GetDartStackPointer(const mcontext_t& mcontext);
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static uintptr_t GetLinkRegister(const mcontext_t& mcontext);
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};
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#undef USE_SIGNAL_HANDLER_TRAMPOLINE
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} // namespace dart
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#endif // RUNTIME_VM_SIGNAL_HANDLER_H_
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