Add a method to get the object-file appropriate stack map section.

Thanks to Eric Christopher for the tips on the appropriate way to do this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194282 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/StackMaps.cpp b/lib/CodeGen/StackMaps.cpp
index b9b652d..b6a900a 100644
--- a/lib/CodeGen/StackMaps.cpp
+++ b/lib/CodeGen/StackMaps.cpp
@@ -97,8 +97,7 @@
 
   // Create the section.
   const MCSection *StackMapSection =
-    OutContext.getMachOSection("__LLVM_STACKMAPS", "__llvm_stackmaps", 0,
-                               SectionKind::getMetadata());
+    OutContext.getObjectFileInfo().getStackMapSection();
   AP.OutStreamer.SwitchSection(StackMapSection);
 
   // Emit a dummy symbol to force section inclusion.
diff --git a/lib/MC/MCObjectFileInfo.cpp b/lib/MC/MCObjectFileInfo.cpp
index 958648c..8ef4a0a 100644
--- a/lib/MC/MCObjectFileInfo.cpp
+++ b/lib/MC/MCObjectFileInfo.cpp
@@ -234,6 +234,9 @@
     Ctx->getMachOSection("__DWARF", "__debug_inlined",
                          MCSectionMachO::S_ATTR_DEBUG,
                          SectionKind::getMetadata());
+  StackMapSection =
+    Ctx->getMachOSection("__LLVM_STACKMAPS", "__llvm_stackmaps", 0,
+                         SectionKind::getMetadata());
 
   TLSExtraDataSection = TLSTLVSection;
 }