diff options
author | Chris Lattner <sabre@nondot.org> | 2009-08-15 05:56:11 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2009-08-15 05:56:11 +0000 |
commit | 7d996d907f593d9d1a4c9d79805b2b7adee63f24 (patch) | |
tree | fcdc9ee08f11e76b5ebb8b5c522a305dd9f84625 /lib | |
parent | bd51c677390d8e13560cbf3ea972b95a5fbc1f9a (diff) | |
download | llvm-7d996d907f593d9d1a4c9d79805b2b7adee63f24.tar.gz llvm-7d996d907f593d9d1a4c9d79805b2b7adee63f24.tar.bz2 llvm-7d996d907f593d9d1a4c9d79805b2b7adee63f24.tar.xz |
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
Diffstat (limited to 'lib')
-rw-r--r-- | lib/MC/MCSectionELF.cpp | 10 | ||||
-rw-r--r-- | lib/Target/XCore/MCSectionXCore.cpp | 35 | ||||
-rw-r--r-- | lib/Target/XCore/MCSectionXCore.h | 54 |
3 files changed, 95 insertions, 4 deletions
diff --git a/lib/MC/MCSectionELF.cpp b/lib/MC/MCSectionELF.cpp index 3d8774ceeb..fe0fcb3a06 100644 --- a/lib/MC/MCSectionELF.cpp +++ b/lib/MC/MCSectionELF.cpp @@ -17,8 +17,7 @@ using namespace llvm; 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 @@ void MCSectionELF::PrintSwitchToSection(const TargetAsmInfo &TAI, OS << ",#tls"; } else { OS << ",\""; - if (Flags & MCSectionELF::SHF_ALLOC) OS << 'a'; if (Flags & MCSectionELF::SHF_EXECINSTR) @@ -81,7 +79,11 @@ void MCSectionELF::PrintSwitchToSection(const TargetAsmInfo &TAI, 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 0000000000..d2bb9e47d8 --- /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 0000000000..e2e55bdaa6 --- /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 |