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78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
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// 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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#include "snapshot/win/cpu_context_win.h"
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#include <string.h>
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#include "base/logging.h"
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#include "snapshot/cpu_context.h"
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namespace crashpad {
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#if defined(ARCH_CPU_64_BITS)
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void InitializeX86Context(const WOW64_CONTEXT& context, CPUContextX86* out) {
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CHECK(false) << "TODO(scottmg) InitializeX86Context()";
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}
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void InitializeX64Context(const CONTEXT& context, CPUContextX86_64* out) {
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out->rax = context.Rax;
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out->rbx = context.Rbx;
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out->rcx = context.Rcx;
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out->rdx = context.Rdx;
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out->rdi = context.Rdi;
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out->rsi = context.Rsi;
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out->rbp = context.Rbp;
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out->rsp = context.Rsp;
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out->r8 = context.R8;
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out->r9 = context.R9;
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out->r10 = context.R10;
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out->r11 = context.R11;
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out->r12 = context.R12;
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out->r13 = context.R13;
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out->r14 = context.R14;
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out->r15 = context.R15;
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out->rip = context.Rip;
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out->rflags = context.EFlags;
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out->cs = context.SegCs;
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out->fs = context.SegFs;
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out->gs = context.SegGs;
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out->dr0 = context.Dr0;
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out->dr1 = context.Dr1;
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out->dr2 = context.Dr2;
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out->dr3 = context.Dr3;
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// DR4 and DR5 are obsolete synonyms for DR6 and DR7, see
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// http://en.wikipedia.org/wiki/X86_debug_register.
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out->dr4 = context.Dr6;
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out->dr5 = context.Dr7;
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out->dr6 = context.Dr6;
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out->dr7 = context.Dr7;
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static_assert(sizeof(out->fxsave) == sizeof(context.FltSave),
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"types must be equivalent");
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memcpy(&out->fxsave, &context.FltSave.ControlWord, sizeof(out->fxsave));
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}
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#else // ARCH_CPU_64_BITS
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void InitializeX86Context(const CONTEXT& context, CPUContextX86* out) {
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CHECK(false) << "TODO(scottmg) InitializeX86Context()";
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}
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#endif // ARCH_CPU_64_BITS
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} // namespace crashpad
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