commit 72ac148d4964fbff950fe11a0eeeda73973b849b
author Chris Lattner <sabre@nondot.org> Thu Oct 16 18:29:00 2003 +0000
committer Chris Lattner <sabre@nondot.org> Thu Oct 16 18:29:00 2003 +0000
tree fde7ca11baf974328570db3b0d678d98e576fb30
parent 6b25242a4ba80e8c3a8a2664eefeba9c69814012

Add support for 'weak' linkage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9171 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/CBackend/CBackend.cpp

diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index af33e4b..a34f3f7 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -684,6 +684,8 @@
         printType(Out, I->getType()->getElementType(), Mang->getValueName(I));
         if (I->hasLinkOnceLinkage())
           Out << " __attribute__((common))";
+        else if (I->hasWeakLinkage())
+          Out << " __attribute__((weak))";
         if (!I->getInitializer()->isNullValue()) {
           Out << " = " ;
           writeOperand(I->getInitializer());
@@ -893,6 +895,8 @@
   FunctionInnards << ")";
   // Print out the return type and the entire signature for that matter
   printType(Out, F->getReturnType(), FunctionInnards.str());
+
+  if (F->hasWeakLinkage()) Out << " __attribute((weak))";
 }
 
 void CWriter::printFunction(Function *F) {

lib/Target/CBackend/Writer.cpp

diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
index af33e4b..a34f3f7 100644
--- a/lib/Target/CBackend/Writer.cpp
+++ b/lib/Target/CBackend/Writer.cpp
@@ -684,6 +684,8 @@
         printType(Out, I->getType()->getElementType(), Mang->getValueName(I));
         if (I->hasLinkOnceLinkage())
           Out << " __attribute__((common))";
+        else if (I->hasWeakLinkage())
+          Out << " __attribute__((weak))";
         if (!I->getInitializer()->isNullValue()) {
           Out << " = " ;
           writeOperand(I->getInitializer());
@@ -893,6 +895,8 @@
   FunctionInnards << ")";
   // Print out the return type and the entire signature for that matter
   printType(Out, F->getReturnType(), FunctionInnards.str());
+
+  if (F->hasWeakLinkage()) Out << " __attribute((weak))";
 }
 
 void CWriter::printFunction(Function *F) {