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- // Copyright 2014 The Crashpad Authors. All rights reserved.
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- #ifndef CRASHPAD_CLIENT_CAPTURE_CONTEXT_MAC_H_
- #define CRASHPAD_CLIENT_CAPTURE_CONTEXT_MAC_H_
- #include <mach/mach.h>
- #include "build/build_config.h"
- namespace crashpad {
- #if defined(ARCH_CPU_X86_FAMILY)
- using NativeCPUContext = x86_thread_state;
- #endif
- //! \brief Saves the CPU context.
- //!
- //! The CPU context will be captured as accurately and completely as possible,
- //! containing an atomic snapshot at the point of this function’s return. This
- //! function does not modify any registers.
- //!
- //! \param[out] cpu_context The structure to store the context in.
- //!
- //! \note On x86_64, the value for `%%rdi` will be populated with the address of
- //! this function’s argument, as mandated by the ABI. If the value of
- //! `%%rdi` prior to calling this function is needed, it must be obtained
- //! separately prior to calling this function. For example:
- //! \code
- //! uint64_t rdi;
- //! asm("movq %%rdi, %0" : "=m"(rdi));
- //! \endcode
- void CaptureContext(NativeCPUContext* cpu_context);
- } // namespace crashpad
- #endif // CRASHPAD_CLIENT_CAPTURE_CONTEXT_MAC_H_
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