From 017597540e645ee69b336802d30c0e52f8a575d9 Mon Sep 17 00:00:00 2001
From: "Michael J. Spencer" <bigcheesegs@gmail.com>
Date: Mon, 17 Oct 2011 23:54:22 +0000
Subject: Object: Add isSymbolWeak.

llvm-svn: 142316
---
 llvm/lib/Object/MachOObjectFile.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'llvm/lib/Object/MachOObjectFile.cpp')

diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index 55887c91c14..c757dd35907 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -228,6 +228,20 @@ error_code MachOObjectFile::isSymbolGlobal(DataRefImpl Symb, bool &Res) const {
   return object_error::success;
 }
 
+error_code MachOObjectFile::isSymbolWeak(DataRefImpl Symb, bool &Res) const {
+
+  if (MachOObj->is64Bit()) {
+    InMemoryStruct<macho::Symbol64TableEntry> Entry;
+    getSymbol64TableEntry(Symb, Entry);
+    Res = Entry->Flags & (MachO::NListDescWeakRef | MachO::NListDescWeakDef);
+  } else {
+    InMemoryStruct<macho::SymbolTableEntry> Entry;
+    getSymbolTableEntry(Symb, Entry);
+    Res = Entry->Flags & (MachO::NListDescWeakRef | MachO::NListDescWeakDef);
+  }
+  return object_error::success;
+}
+
 error_code MachOObjectFile::getSymbolType(DataRefImpl Symb,
                                           SymbolRef::Type &Res) const {
   uint8_t n_type;
-- 
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