llvm-6502/lib/Target/XCore/XCoreTargetObjectFile.cpp
Chris Lattner 760e24cd05 use XCore-specific section with xcore specific cp/dp flags to restore
support for globals going into the appropriate sections with the flags.

This hopefully finishes unbreaking the previous behavior that I broke before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79079 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15 06:09:35 +00:00

56 lines
2.3 KiB
C++

//===-- XCoreTargetObjectFile.cpp - XCore object files --------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "XCoreTargetObjectFile.h"
#include "XCoreSubtarget.h"
#include "MCSectionXCore.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){
TargetLoweringObjectFileELF::Initialize(Ctx, TM);
DataSection =
MCSectionXCore::Create(".dp.data", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionXCore::SHF_DP_SECTION,
SectionKind::getDataRel(), false, getContext());
BSSSection =
MCSectionXCore::Create(".dp.bss", MCSectionELF::SHT_NOBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionXCore::SHF_DP_SECTION,
SectionKind::getBSS(), false, getContext());
// For now, disable lowering of mergable sections, just drop everything into
// ReadOnly.
MergeableConst4Section = 0;
MergeableConst8Section = 0;
MergeableConst16Section = 0;
// 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;
if (TM.getSubtarget<XCoreSubtarget>().isXS1A())
ReadOnlySection = // FIXME: Why is this a writable section for XS1A?
MCSectionXCore::Create(".dp.rodata", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionXCore::SHF_DP_SECTION,
SectionKind::getDataRel(), false, getContext());
else
ReadOnlySection =
MCSectionXCore::Create(".cp.rodata", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC |
MCSectionXCore::SHF_CP_SECTION,
SectionKind::getReadOnly(), false, getContext());
}