From b0e769411d66d4f61dc68ed80317c7f2ab2c05f8 Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@gmail.com>
Date: Mon, 9 Sep 2013 20:03:14 +0000
Subject: [PATCH] Add the gnu pubnames and pubtypes sections to the mc object
 file handling.

llvm-svn: 190344
---
 llvm/include/llvm/MC/MCObjectFileInfo.h | 10 ++++++++++
 llvm/lib/MC/MCObjectFileInfo.cpp        | 24 ++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/llvm/include/llvm/MC/MCObjectFileInfo.h b/llvm/include/llvm/MC/MCObjectFileInfo.h
index a5853b602c87..5e5debe0548f 100644
--- a/llvm/include/llvm/MC/MCObjectFileInfo.h
+++ b/llvm/include/llvm/MC/MCObjectFileInfo.h
@@ -125,6 +125,10 @@ protected:
   const MCSection *DwarfStrOffDWOSection;
   const MCSection *DwarfAddrSection;
 
+  /// Sections for newer gnu pubnames and pubtypes.
+  const MCSection *DwarfGnuPubNamesSection;
+  const MCSection *DwarfGnuPubTypesSection;
+
   // Extra TLS Variable Data section.  If the target needs to put additional
   // information for a TLS variable, it'll go here.
   const MCSection *TLSExtraDataSection;
@@ -223,6 +227,12 @@ public:
   const MCSection *getDwarfFrameSection() const { return DwarfFrameSection; }
   const MCSection *getDwarfPubNamesSection() const{return DwarfPubNamesSection;}
   const MCSection *getDwarfPubTypesSection() const{return DwarfPubTypesSection;}
+  const MCSection *getDwarfGnuPubNamesSection() const {
+    return DwarfGnuPubNamesSection;
+  }
+  const MCSection *getDwarfGnuPubTypesSection() const {
+    return DwarfGnuPubTypesSection;
+  }
   const MCSection *getDwarfDebugInlineSection() const {
     return DwarfDebugInlineSection;
   }
diff --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp
index 819c00b180cb..6d3c4d1f9282 100644
--- a/llvm/lib/MC/MCObjectFileInfo.cpp
+++ b/llvm/lib/MC/MCObjectFileInfo.cpp
@@ -199,6 +199,14 @@ void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) {
     Ctx->getMachOSection("__DWARF", "__debug_pubtypes",
                          MCSectionMachO::S_ATTR_DEBUG,
                          SectionKind::getMetadata());
+  DwarfGnuPubNamesSection =
+    Ctx->getMachOSection("__DWARF", "__debug_gnu_pubn",
+                         MCSectionMachO::S_ATTR_DEBUG,
+                         SectionKind::getMetadata());
+  DwarfGnuPubTypesSection =
+    Ctx->getMachOSection("__DWARF", "__debug_gnu_pubt",
+                         MCSectionMachO::S_ATTR_DEBUG,
+                         SectionKind::getMetadata());
   DwarfStrSection =
     Ctx->getMachOSection("__DWARF", "__debug_str",
                          MCSectionMachO::S_ATTR_DEBUG,
@@ -435,6 +443,12 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
   DwarfPubTypesSection =
     Ctx->getELFSection(".debug_pubtypes", ELF::SHT_PROGBITS, 0,
                        SectionKind::getMetadata());
+  DwarfGnuPubNamesSection =
+    Ctx->getELFSection(".debug_gnu_pubnames", ELF::SHT_PROGBITS, 0,
+                       SectionKind::getMetadata());
+  DwarfGnuPubTypesSection =
+    Ctx->getELFSection(".debug_gnu_pubtypes", ELF::SHT_PROGBITS, 0,
+                       SectionKind::getMetadata());
   DwarfStrSection =
     Ctx->getELFSection(".debug_str", ELF::SHT_PROGBITS,
                        ELF::SHF_MERGE | ELF::SHF_STRINGS,
@@ -591,6 +605,16 @@ void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) {
                         COFF::IMAGE_SCN_MEM_DISCARDABLE |
                         COFF::IMAGE_SCN_MEM_READ,
                         SectionKind::getMetadata());
+  DwarfPubNamesSection =
+    Ctx->getCOFFSection(".debug_gnu_pubnames",
+                        COFF::IMAGE_SCN_MEM_DISCARDABLE |
+                        COFF::IMAGE_SCN_MEM_READ,
+                        SectionKind::getMetadata());
+  DwarfPubTypesSection =
+    Ctx->getCOFFSection(".debug_gnu_pubtypes",
+                        COFF::IMAGE_SCN_MEM_DISCARDABLE |
+                        COFF::IMAGE_SCN_MEM_READ,
+                        SectionKind::getMetadata());
   DwarfStrSection =
     Ctx->getCOFFSection(".debug_str",
                         COFF::IMAGE_SCN_MEM_DISCARDABLE |