add support for target-specific ELF section flags, add a new MCSectionXCore

[oota-llvm.git] / lib / Target / XCore / XCoreTargetObjectFile.cpp

diff --git a/lib/Target/XCore/XCoreTargetObjectFile.cpp b/lib/Target/XCore/XCoreTargetObjectFile.cpp
index 964ec82d576ed26c2fb02df06131daa3b3cbd2af..9415f5127dc3f868f22fc836feee44b26e65108c 100644 (file)
--- a/lib/Target/XCore/XCoreTargetObjectFile.cpp
+++ b/lib/Target/XCore/XCoreTargetObjectFile.cpp
@@ -8,25 +8,36 @@
 //===----------------------------------------------------------------------===//
 
 #include "XCoreTargetObjectFile.h"
+#include "XCoreSubtarget.h"
+#include "llvm/MC/MCSectionELF.h"
+#include "llvm/Target/TargetMachine.h"
 using namespace llvm;
 
 
-XCoreTargetObjectFile::XCoreTargetObjectFile(bool isXS1A) {
-  TextSection = getOrCreateSection("\t.text", true, SectionKind::Text);
-  DataSection = getOrCreateSection("\t.dp.data", false, SectionKind::DataRel);
-  BSSSection_ = getOrCreateSection("\t.dp.bss", false, SectionKind::BSS);
+void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){
+  TargetLoweringObjectFileELF::Initialize(Ctx, TM);
+
+  DataSection = getELFSection(".dp.data", MCSectionELF::SHT_PROGBITS, 
+                              MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE,
+                              SectionKind::getDataRel());
+  BSSSection = getELFSection(".dp.bss", MCSectionELF::SHT_NOBITS,
+                              MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE,
+                              SectionKind::getBSS());
   
   // TLS globals are lowered in the backend to arrays indexed by the current
   // thread id. After lowering they require no special handling by the linker
   // and can be placed in the standard data / bss sections.
   TLSDataSection = DataSection;
-  TLSBSSSection = BSSSection_;
+  TLSBSSSection = BSSSection;
   
-  if (isXS1A)
+  if (TM.getSubtarget<XCoreSubtarget>().isXS1A())
     // FIXME: Why is this writable ("datarel")???
-    ReadOnlySection = getOrCreateSection("\t.dp.rodata", false,
-                                         SectionKind::DataRel);
+    ReadOnlySection = 
+      getELFSection(".dp.rodata", MCSectionELF::SHT_PROGBITS,
+                    MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE,
+                    SectionKind::getDataRel());
   else
-    ReadOnlySection = getOrCreateSection("\t.cp.rodata", false,
-                                         SectionKind::ReadOnly);
+    ReadOnlySection = 
+      getELFSection(".cp.rodata", MCSectionELF::SHT_PROGBITS, 
+                    MCSectionELF::SHF_ALLOC, SectionKind::getReadOnly());
 }