diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 23 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/LLVMBuild.txt | 2 |
2 files changed, 24 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index 987d324df2c..fc5049b9067 100644 --- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -1362,6 +1362,29 @@ void AsmPrinter::emitRemarksSection(Module &M) { support::endian::write64le(Version.data(), remarks::Version); OutStreamer->EmitBinaryData(StringRef(Version.data(), Version.size())); + // Emit the string table in the section. + // Note: we need to use the streamer here to emit it in the section. We can't + // just use the serialize function with a raw_ostream because of the way + // MCStreamers work. + const remarks::StringTable &StrTab = RS->getStringTable(); + std::vector<StringRef> StrTabStrings = StrTab.serialize(); + uint64_t StrTabSize = StrTab.SerializedSize; + // Emit the total size of the string table (the size itself excluded): + // little-endian uint64_t. + // The total size is located after the version number. + std::array<char, 8> StrTabSizeBuf; + support::endian::write64le(StrTabSizeBuf.data(), StrTabSize); + OutStreamer->EmitBinaryData( + StringRef(StrTabSizeBuf.data(), StrTabSizeBuf.size())); + // Emit a list of null-terminated strings. + // Note: the order is important here: the ID used in the remarks corresponds + // to the position of the string in the section. + for (StringRef Str : StrTabStrings) { + OutStreamer->EmitBytes(Str); + // Explicitly emit a '\0'. + OutStreamer->EmitIntValue(/*Value=*/0, /*Size=*/1); + } + // Emit the null-terminated absolute path to the remark file. // The path is located at the offset 0x4 in the section. StringRef FilenameRef = RS->getFilename(); diff --git a/llvm/lib/CodeGen/AsmPrinter/LLVMBuild.txt b/llvm/lib/CodeGen/AsmPrinter/LLVMBuild.txt index 56449269681..44595a18f1b 100644 --- a/llvm/lib/CodeGen/AsmPrinter/LLVMBuild.txt +++ b/llvm/lib/CodeGen/AsmPrinter/LLVMBuild.txt @@ -18,4 +18,4 @@ type = Library name = AsmPrinter parent = Libraries -required_libraries = Analysis BinaryFormat CodeGen Core DebugInfoCodeView DebugInfoDWARF DebugInfoMSF MC MCParser Support Target +required_libraries = Analysis BinaryFormat CodeGen Core DebugInfoCodeView DebugInfoDWARF DebugInfoMSF MC MCParser Remarks Support Target |
