From 002ec1482c83003c6aef841395271aa5993d916a Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 24 Feb 2009 00:52:19 +0000
Subject: [PATCH] gdb uses DW_AT_prototyped to identify K&R style in C based
languages. This fixes objc.dg/dwarf-prototypes.m scan-assembler
DW_AT_prototyped from llvmgcc42 test suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65357 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/CodeGen/AsmPrinter/DwarfWriter.cpp | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
index 6121d4bfa66..26973b1cb15 100644
--- a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
@@ -1942,6 +1942,11 @@ private:
}
}
+ unsigned Lang = SP.getCompileUnit().getLanguage();
+ if (Lang == DW_LANG_C99 || Lang == DW_LANG_C89
+ || Lang == DW_LANG_ObjC)
+ AddUInt(SPDie, DW_AT_prototyped, DW_FORM_flag, 1);
+
if (!SP.isLocalToUnit())
AddUInt(SPDie, DW_AT_external, DW_FORM_flag, 1);
return SPDie;