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a5b7e504c6
In a future CL we will make use of InitializeContext2 which can produce contexts of varying sizes - this makes the existing use of a union for wow/x64 contexts no longer feasible. The context union in process_reader_win is replaced with a (moveable, copyable) helper struct which currently only knows how to allocate the replaced WOW or CONTEXT sized unions. As this field is no longer a member of the Thread struct it cannot be passed into other functions as a reference, so instead a pointer is used in these functions. Bug: 1250098 Change-Id: Ied3fe971c0073bbdafc071217e1bb0f72350bb4e Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3538668 Commit-Queue: Alex Gough <ajgo@chromium.org> Reviewed-by: Joshua Peraza <jperaza@chromium.org>
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
// Copyright 2015 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_SNAPSHOT_WIN_CPU_CONTEXT_WIN_H_
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#define CRASHPAD_SNAPSHOT_WIN_CPU_CONTEXT_WIN_H_
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#include <windows.h>
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#include "build/build_config.h"
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namespace crashpad {
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struct CPUContextX86;
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struct CPUContextX86_64;
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struct CPUContextARM64;
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#if defined(ARCH_CPU_X86) || DOXYGEN
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//! \brief Initializes a CPUContextX86 structure from a native context structure
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//! on Windows.
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void InitializeX86Context(const CONTEXT* context, CPUContextX86* out);
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#endif // ARCH_CPU_X86
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#if defined(ARCH_CPU_X86_64) || DOXYGEN
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//! \brief Initializes a CPUContextX86 structure from a native context structure
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//! on Windows.
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void InitializeX86Context(const WOW64_CONTEXT* context, CPUContextX86* out);
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//! \brief Initializes a CPUContextX86_64 structure from a native context
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//! structure on Windows.
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//! Only reads a max of sizeof(CONTEXT) so will not initialize extended values.
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void InitializeX64Context(const CONTEXT* context, CPUContextX86_64* out);
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#endif // ARCH_CPU_X86_64
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#if defined(ARCH_CPU_ARM64) || DOXYGEN
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//! \brief Initializes a CPUContextARM64 structure from a native context
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//! structure on Windows.
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void InitializeARM64Context(const CONTEXT* context, CPUContextARM64* out);
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#endif // ARCH_CPU_ARM64
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} // namespace crashpad
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#endif // CRASHPAD_SNAPSHOT_WIN_CPU_CONTEXT_WIN_H_
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