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As I was finishing d98a4de718d9, it became evident that fsave proliferation was becoming a problem. Especially considering tests, there was much duplicated conversion code. This ties everything up together in a central location. test::BytesToHexString() is a new function to ease testing of byte arrays like x87 registers, without having to loop over each byte. Some static_asserts are added to verify that complex structures that need to maintain interoperability don’t grow or shrink. This is used to check the size of the fxsave and fsave structures, as well as the MinidumpCPUContext* structures. BUG=crashpad:162 Change-Id: I1a1be18096ee9be250cbfb2e006adfd08eba8753 Reviewed-on: https://chromium-review.googlesource.com/444004 Reviewed-by: Scott Graham <scottmg@chromium.org>
36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
// Copyright 2017 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 "test/hex_string.h"
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#include "base/strings/stringprintf.h"
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namespace crashpad {
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namespace test {
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std::string BytesToHexString(const void* bytes, size_t length) {
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const unsigned char* bytes_c = reinterpret_cast<const unsigned char*>(bytes);
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std::string hex_string;
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hex_string.reserve(length * 2);
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for (size_t index = 0; index < length; ++index) {
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hex_string.append(base::StringPrintf("%02x", bytes_c[index]));
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}
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return hex_string;
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}
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} // namespace test
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} // namespace crashpad
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