commit 6f9896fcc81a1128b5f436d1763cc6213745adf1
author Anton Korobeynikov <asl@math.spbu.ru> Sun Apr 29 18:35:00 2007 +0000
committer Anton Korobeynikov <asl@math.spbu.ru> Sun Apr 29 18:35:00 2007 +0000
tree 89f99df6a320347cd98adf490edeea24432c86f6
parent c6c98af9e5814e8066c82f20ca11cf646a5fc289

Implement protected visibility. This partly implements PR1363. Linker
should be taught to deal with protected symbols.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36565 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/TargetAsmInfo.cpp

diff --git a/lib/Target/TargetAsmInfo.cpp b/lib/Target/TargetAsmInfo.cpp
index 8deda9f..37ab073 100644
--- a/lib/Target/TargetAsmInfo.cpp
+++ b/lib/Target/TargetAsmInfo.cpp
@@ -74,6 +74,7 @@
   UsedDirective(0),
   WeakRefDirective(0),
   HiddenDirective("\t.hidden\t"),
+  ProtectedDirective("\t.protected\t"),
   AbsoluteSectionOffsets(false),
   HasLEB128(false),
   HasDotLoc(false),

lib/Target/X86/X86ATTAsmPrinter.cpp

diff --git a/lib/Target/X86/X86ATTAsmPrinter.cpp b/lib/Target/X86/X86ATTAsmPrinter.cpp
index 03a2286..634f41b 100755
--- a/lib/Target/X86/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/X86ATTAsmPrinter.cpp
@@ -125,9 +125,13 @@
     }
     break;
   }
-  if (F->hasHiddenVisibility())
+  if (F->hasHiddenVisibility()) {
     if (const char *Directive = TAI->getHiddenDirective())
       O << Directive << CurrentFnName << "\n";
+  } else if (F->hasProtectedVisibility()) {
+    if (const char *Directive = TAI->getProtectedDirective())
+      O << Directive << CurrentFnName << "\n";
+  }
 
   if (Subtarget->isTargetELF())
     O << "\t.type " << CurrentFnName << ",@function\n";
@@ -322,7 +326,8 @@
       if (isCallOp && isa<Function>(GV)) {
         if (printGOT(TM, Subtarget)) {
           // Assemble call via PLT for non-local symbols
-          if (!GV->hasHiddenVisibility() || GV->isDeclaration())
+          if (!(GV->hasHiddenVisibility() || GV->hasProtectedVisibility()) ||
+              GV->isDeclaration())
             O << "@PLT";
         }
         if (Subtarget->isTargetCygMing() && GV->isDeclaration())

lib/Target/X86/X86AsmPrinter.cpp

diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index 76037f1..7e7dc88 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -155,9 +155,14 @@
     unsigned Size = TD->getTypeSize(Type);
     unsigned Align = TD->getPreferredAlignmentLog(I);
 
-    if (I->hasHiddenVisibility())
+    if (I->hasHiddenVisibility()) {
       if (const char *Directive = TAI->getHiddenDirective())
         O << Directive << name << "\n";
+    } else if (I->hasProtectedVisibility()) {
+      if (const char *Directive = TAI->getProtectedDirective())
+        O << Directive << name << "\n";
+    }
+    
     if (Subtarget->isTargetELF())
       O << "\t.type " << name << ",@object\n";