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88d8114fda
This struct matches the layout defined by Microsoft and replaces Breakpad's MDRawContextARM64_Old. This CL updates the processor to understand either the old or new structs, but clients continue to write the old structs. Change-Id: I8dedd9ddb2ec083b802723b9ac87beb18d98edbd Reviewed-on: https://chromium-review.googlesource.com/1155938 Reviewed-by: Mark Mentovai <mark@chromium.org>
68 lines
2.8 KiB
C++
68 lines
2.8 KiB
C++
// Copyright (c) 2018, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "processor/convert_old_arm64_context.h"
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#include <string.h>
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namespace google_breakpad {
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void ConvertOldARM64Context(const MDRawContextARM64_Old& old,
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MDRawContextARM64* context) {
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context->context_flags = MD_CONTEXT_ARM64;
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if (old.context_flags & MD_CONTEXT_ARM64_INTEGER_OLD) {
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context->context_flags |=
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MD_CONTEXT_ARM64_INTEGER | MD_CONTEXT_ARM64_CONTROL;
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}
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if (old.context_flags & MD_CONTEXT_ARM64_FLOATING_POINT_OLD) {
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context->context_flags |= MD_CONTEXT_ARM64_FLOATING_POINT;
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}
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context->cpsr = old.cpsr;
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static_assert(sizeof(old.iregs) == sizeof(context->iregs),
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"iregs size mismatch");
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memcpy(context->iregs, old.iregs, sizeof(context->iregs));
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static_assert(sizeof(old.float_save.regs) == sizeof(context->float_save.regs),
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"float_save.regs size mismatch");
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memcpy(context->float_save.regs,
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old.float_save.regs,
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sizeof(context->float_save.regs));
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context->float_save.fpcr = old.float_save.fpcr;
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context->float_save.fpsr = old.float_save.fpsr;
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memset(context->bcr, 0, sizeof(context->bcr));
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memset(context->bvr, 0, sizeof(context->bvr));
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memset(context->wcr, 0, sizeof(context->wcr));
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memset(context->wvr, 0, sizeof(context->wvr));
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}
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} // namespace google_breakpad
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