[gn build] Port 581ba35291

llvm/utils/gn/secondary/llvm/lib/Support/BUILD.gn

@@ -65,6 +65,8 @@ static_library("Support") {
     "Debug.cpp",
     "DebugCounter.cpp",
     "DeltaAlgorithm.cpp",
+    "ELFAttributeParser.cpp",
+    "ELFAttributes.cpp",
     "Error.cpp",
     "ErrorHandling.cpp",
     "FileCheck.cpp",
@@ -98,6 +100,8 @@ static_library("Support") {
     "Parallel.cpp",
     "PluginLoader.cpp",
     "PrettyStackTrace.cpp",
+    "RISCVAttributeParser.cpp",
+    "RISCVAttributes.cpp",
     "RWMutex.cpp",
     "RandomNumberGenerator.cpp",
     "Regex.cpp",

llvm/utils/gn/secondary/llvm/unittests/Support/BUILD.gn

@@ -29,6 +29,7 @@ unittest("SupportTests") {
     "DataExtractorTest.cpp",
     "DebugCounterTest.cpp",
     "DebugTest.cpp",
+    "ELFAttributeParserTest.cpp",
     "EndianStreamTest.cpp",
     "EndianTest.cpp",
     "ErrnoTest.cpp",
@@ -59,6 +60,7 @@ unittest("SupportTests") {
     "Path.cpp",
     "ProcessTest.cpp",
     "ProgramTest.cpp",
+    "RISCVAttributeParserTest.cpp",
     "RegexTest.cpp",
     "ReplaceFileTest.cpp",
     "ReverseIterationTest.cpp",