Emit unused EH frames for weak definitions on Darwin,

because assembler/linker can't cope with weak absolutes.
PR 1880.

llvm-svn: 45811

1 files changed, 4 insertions, 3 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
index 016a7555ed2..0cb2fe4573f 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -51,8 +51,8 @@ DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
     StaticDtorsSection = ".mod_term_func";
   }
   UsedDirective = "\t.no_dead_strip\t";
-  WeakDefDirective = "\t.weak_definition\t";
-  WeakRefDirective = "\t.weak_reference\t";
+  WeakDefDirective = "\t.weak_definition ";
+  WeakRefDirective = "\t.weak_reference ";
   HiddenDirective = "\t.private_extern\t";
   SupportsExceptionHandling = true;
   NeedsIndirectEncoding = true;
@@ -62,12 +62,13 @@ DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
   DwarfEHFrameSection =
   ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
   DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
+  GlobalEHDirective = "\t.globl\t";
+  SupportsWeakOmittedEHFrame = false;
 
   DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
   DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
   DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
   DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
-  GlobalEHDirective = "\t.globl\t";
   DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
   DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
   DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";