vendor/llvm-project/llvmorg-11-init-20887-g2e10b7a39b9vendor/llvm-project/master

1 files changed, 34 insertions, 0 deletions

diff --git a/llvm/lib/Support/ELFAttributes.cpp b/llvm/lib/Support/ELFAttributes.cpp
new file mode 100644
index 000000000000..5be38825d6c6
--- /dev/null
+++ b/llvm/lib/Support/ELFAttributes.cpp
@@ -0,0 +1,34 @@
+//===-- ELFAttributes.cpp - ELF Attributes --------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/ELFAttributes.h"
+#include "llvm/ADT/StringRef.h"
+
+using namespace llvm;
+
+StringRef ELFAttrs::attrTypeAsString(unsigned attr, TagNameMap tagNameMap,
+                                     bool hasTagPrefix) {
+  auto tagNameIt = find_if(
+      tagNameMap, [attr](const TagNameItem item) { return item.attr == attr; });
+  if (tagNameIt == tagNameMap.end())
+    return "";
+  StringRef tagName = tagNameIt->tagName;
+  return hasTagPrefix ? tagName : tagName.drop_front(4);
+}
+
+Optional<unsigned> ELFAttrs::attrTypeFromString(StringRef tag,
+                                                TagNameMap tagNameMap) {
+  bool hasTagPrefix = tag.startswith("Tag_");
+  auto tagNameIt =
+      find_if(tagNameMap, [tag, hasTagPrefix](const TagNameItem item) {
+        return item.tagName.drop_front(hasTagPrefix ? 0 : 4) == tag;
+      });
+  if (tagNameIt == tagNameMap.end())
+    return None;
+  return tagNameIt->attr;
+}