1 //===- Formatters.cpp -----------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/DebugInfo/CodeView/Formatters.h" 10 #include "llvm/ADT/ArrayRef.h" 11 #include "llvm/DebugInfo/CodeView/GUID.h" 12 #include "llvm/Support/raw_ostream.h" 13 #include <algorithm> 14 #include <cassert> 15 16 using namespace llvm; 17 using namespace llvm::codeview; 18 using namespace llvm::codeview::detail; 19 20 GuidAdapter::GuidAdapter(StringRef Guid) 21 : FormatAdapter(makeArrayRef(Guid.bytes_begin(), Guid.bytes_end())) {} 22 23 GuidAdapter::GuidAdapter(ArrayRef<uint8_t> Guid) 24 : FormatAdapter(std::move(Guid)) {} 25 26 void GuidAdapter::format(raw_ostream &Stream, StringRef Style) { 27 assert(Item.size() == 16 && "Expected 16-byte GUID"); 28 struct MSGuid { 29 support::ulittle32_t Data1; 30 support::ulittle16_t Data2; 31 support::ulittle16_t Data3; 32 support::ubig64_t Data4; 33 }; 34 const MSGuid *G = reinterpret_cast<const MSGuid *>(Item.data()); 35 Stream 36 << '{' << format_hex_no_prefix(G->Data1, sizeof(G->Data1), /*Upper=*/true) 37 << '-' << format_hex_no_prefix(G->Data2, sizeof(G->Data2), /*Upper=*/true) 38 << '-' << format_hex_no_prefix(G->Data3, sizeof(G->Data3), /*Upper=*/true) 39 << '-' << format_hex_no_prefix(G->Data4 >> 48, 2, /*Upper=*/true) << '-' 40 << format_hex_no_prefix(G->Data4 & ((1ULL << 48) - 1), 6, /*Upper=*/true) 41 << '}'; 42 } 43 44 raw_ostream &llvm::codeview::operator<<(raw_ostream &OS, const GUID &Guid) { 45 codeview::detail::GuidAdapter A(Guid.Guid); 46 A.format(OS, ""); 47 return OS; 48 } 49