add support for target-specific ELF section flags, add a new MCSectionXCore
class which represents the XCore cp/dp section flags. No functionality
change yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79077 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCSectionELF.cpp b/lib/MC/MCSectionELF.cpp
index 3d8774c..fe0fcb3 100644
--- a/lib/MC/MCSectionELF.cpp
+++ b/lib/MC/MCSectionELF.cpp
@@ -17,8 +17,7 @@
MCSectionELF *MCSectionELF::
Create(const StringRef &Section, unsigned Type, unsigned Flags,
SectionKind K, bool isExplicit, MCContext &Ctx) {
- return new
- (Ctx) MCSectionELF(Section, Type, Flags, K, isExplicit);
+ return new (Ctx) MCSectionELF(Section, Type, Flags, K, isExplicit);
}
// ShouldOmitSectionDirective - Decides whether a '.section' directive
@@ -68,7 +67,6 @@
OS << ",#tls";
} else {
OS << ",\"";
-
if (Flags & MCSectionELF::SHF_ALLOC)
OS << 'a';
if (Flags & MCSectionELF::SHF_EXECINSTR)
@@ -81,7 +79,11 @@
OS << 'S';
if (Flags & MCSectionELF::SHF_TLS)
OS << 'T';
-
+
+ // If there are target-specific flags, print them.
+ if (Flags & ~MCSectionELF::TARGET_INDEP_SHF)
+ PrintTargetSpecificSectionFlags(TAI, OS);
+
OS << '"';
if (ShouldPrintSectionType(Type)) {
diff --git a/lib/Target/XCore/MCSectionXCore.cpp b/lib/Target/XCore/MCSectionXCore.cpp
new file mode 100644
index 0000000..d2bb9e4
--- /dev/null
+++ b/lib/Target/XCore/MCSectionXCore.cpp
@@ -0,0 +1,35 @@
+//===- MCSectionXCore.cpp - XCore-specific section representation ---------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the MCSectionXCore class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "MCSectionXCore.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace llvm;
+
+MCSectionXCore *
+MCSectionXCore::Create(const StringRef &Section, unsigned Type,
+ unsigned Flags, SectionKind K,
+ bool isExplicit, MCContext &Ctx) {
+ return new (Ctx) MCSectionXCore(Section, Type, Flags, K, isExplicit);
+}
+
+
+/// PrintTargetSpecificSectionFlags - This handles the XCore-specific cp/dp
+/// section flags.
+void MCSectionXCore::PrintTargetSpecificSectionFlags(const TargetAsmInfo &TAI,
+ raw_ostream &OS) const {
+ if (getFlags() & MCSectionXCore::SHF_CP_SECTION)
+ OS << 'c';
+ if (getFlags() & MCSectionXCore::SHF_DP_SECTION)
+ OS << 'd';
+}
diff --git a/lib/Target/XCore/MCSectionXCore.h b/lib/Target/XCore/MCSectionXCore.h
new file mode 100644
index 0000000..e2e55bd
--- /dev/null
+++ b/lib/Target/XCore/MCSectionXCore.h
@@ -0,0 +1,54 @@
+//===- MCSectionXCore.h - XCore-specific section representation -*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the MCSectionXCore class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MCSECTION_XCORE_H
+#define LLVM_MCSECTION_XCORE_H
+
+#include "llvm/MC/MCSectionELF.h"
+
+namespace llvm {
+
+class MCSectionXCore : public MCSectionELF {
+ MCSectionXCore(const StringRef &Section, unsigned Type, unsigned Flags,
+ SectionKind K, bool isExplicit)
+ : MCSectionELF(Section, Type, Flags, K, isExplicit) {}
+
+public:
+
+ enum {
+ /// SHF_CP_SECTION - All sections with the "c" flag are grouped together
+ /// by the linker to form the constant pool and the cp register is set to
+ /// the start of the constant pool by the boot code.
+ SHF_CP_SECTION = FIRST_TARGET_DEP_FLAG,
+
+ /// SHF_DP_SECTION - All sections with the "d" flag are grouped together
+ /// by the linker to form the data section and the dp register is set to
+ /// the start of the section by the boot code.
+ SHF_DP_SECTION = FIRST_TARGET_DEP_FLAG << 1
+ };
+
+ static MCSectionXCore *Create(const StringRef &Section, unsigned Type,
+ unsigned Flags, SectionKind K,
+ bool isExplicit, MCContext &Ctx);
+
+
+ /// PrintTargetSpecificSectionFlags - This handles the XCore-specific cp/dp
+ /// section flags.
+ virtual void PrintTargetSpecificSectionFlags(const TargetAsmInfo &TAI,
+ raw_ostream &OS) const;
+
+};
+
+} // end namespace llvm
+
+#endif