[PATCH] D38681: [LLD] [COFF] Don't error out on relocations to discarded sections in .eh_frame

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo created this revision.
Herald added subscribers: JDevlieghere, aprantl.

This allows linking code with dwarf exception handling.


https://reviews.llvm.org/D38681

Files:
  COFF/Chunks.h
  test/COFF/reloc-discarded-dwarf.s


Index: test/COFF/reloc-discarded-dwarf.s
===================================================================
--- test/COFF/reloc-discarded-dwarf.s
+++ test/COFF/reloc-discarded-dwarf.s
@@ -13,3 +13,5 @@
 
 	.section	.debug_info,"dr"
 	.quad	f
+	.section	.eh_frame,"dr"
+	.quad	f
Index: COFF/Chunks.h
===================================================================
--- COFF/Chunks.h
+++ COFF/Chunks.h
@@ -187,7 +187,10 @@
   }
 
   // True if this is a DWARF debug info chunk.
-  bool isDWARF() const { return SectionName.startswith(".debug_"); }
+  bool isDWARF() const {
+    return SectionName.startswith(".debug_") ||
+           SectionName.startswith(".eh_frame");
+  }
 
   // Allow iteration over the bodies of this chunk's relocated symbols.
   llvm::iterator_range<symbol_iterator> symbols() const {


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