From c6c0e54d3d69ac297f0a0bb03bc0b5e792f85e12 Mon Sep 17 00:00:00 2001
From: Chris Bieneman <beanz@apple.com>
Date: Wed, 7 Dec 2016 18:52:59 +0000
Subject: [ObjectYAML] Support for DWARF __debug_abbrev section

This patch adds support for round-tripping DWARF debug abbreviations through the obj<->yaml tools.

llvm-svn: 288955
---
 llvm/lib/ObjectYAML/MachOYAML.cpp | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/ObjectYAML/MachOYAML.cpp')

diff --git a/llvm/lib/ObjectYAML/MachOYAML.cpp b/llvm/lib/ObjectYAML/MachOYAML.cpp
index d3f8ea47e59..45554304d10 100644
--- a/llvm/lib/ObjectYAML/MachOYAML.cpp
+++ b/llvm/lib/ObjectYAML/MachOYAML.cpp
@@ -30,7 +30,7 @@ bool MachOYAML::LinkEditData::isEmpty() const {
 }
 
 bool MachOYAML::DWARFData::isEmpty() const {
-  return 0 == DebugStrings.size();
+  return 0 == DebugStrings.size() + AbbrevDecls.size();
 }
 
 namespace yaml {
@@ -559,7 +559,22 @@ void MappingTraits<MachO::version_min_command>::mapping(
 
 void MappingTraits<MachOYAML::DWARFData>::mapping(
     IO &IO, MachOYAML::DWARFData &DWARF) {
-  IO.mapRequired("DebugStrings", DWARF.DebugStrings);
+  IO.mapOptional("DebugStrings", DWARF.DebugStrings);
+  IO.mapOptional("AbbrevDecls", DWARF.AbbrevDecls);
+}
+
+void MappingTraits<MachOYAML::DWARFAbbrev>::mapping(
+    IO &IO, MachOYAML::DWARFAbbrev &Abbrev) {
+  IO.mapRequired("Code", Abbrev.Code);
+  IO.mapRequired("Tag", Abbrev.Tag);
+  IO.mapRequired("Children", Abbrev.Children);
+  IO.mapRequired("Attributes", Abbrev.Attributes);
+}
+
+void MappingTraits<MachOYAML::DWARFAttributeAbbrev>::mapping(
+    IO &IO, MachOYAML::DWARFAttributeAbbrev &AttAbbrev) {
+  IO.mapRequired("Attribute", AttAbbrev.Attribute);
+  IO.mapRequired("Form", AttAbbrev.Form);
 }
 
 } // namespace llvm::yaml
-- 
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