COFF: Add support for Dwarf accelerator tables.

This allows COFF targets to emit accelerator tables
when requested by -dwarf-accel-tables=Enable instead
of aborting. The test DebugInfo/cross-cu-inlining.ll
covers this on COFF platforms.

llvm-svn: 222034

diff --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp
index 13f3f69..1b88462 100644 (file)
--- a/llvm/lib/MC/MCObjectFileInfo.cpp
+++ b/llvm/lib/MC/MCObjectFileInfo.cpp
@@ -781,6 +781,27 @@ void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) {
                         COFF::IMAGE_SCN_MEM_READ,
                         SectionKind::getMetadata());
 
+  DwarfAccelNamesSection =
+      Ctx->getCOFFSection(".apple_names",
+                          COFF::IMAGE_SCN_MEM_DISCARDABLE |
+                          COFF::IMAGE_SCN_MEM_READ,
+                          SectionKind::getMetadata());
+  DwarfAccelNamespaceSection =
+      Ctx->getCOFFSection(".apple_namespaces",
+                          COFF::IMAGE_SCN_MEM_DISCARDABLE |
+                          COFF::IMAGE_SCN_MEM_READ,
+                          SectionKind::getMetadata());
+  DwarfAccelTypesSection =
+      Ctx->getCOFFSection(".apple_types",
+                          COFF::IMAGE_SCN_MEM_DISCARDABLE |
+                          COFF::IMAGE_SCN_MEM_READ,
+                          SectionKind::getMetadata());
+  DwarfAccelObjCSection =
+      Ctx->getCOFFSection(".apple_objc",
+                          COFF::IMAGE_SCN_MEM_DISCARDABLE |
+                          COFF::IMAGE_SCN_MEM_READ,
+                          SectionKind::getMetadata());
+
   DrectveSection =
     Ctx->getCOFFSection(".drectve",
                         COFF::IMAGE_SCN_LNK_INFO |