mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-31 08:16:47 +00:00
1123135dbf
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79368 91177308-0d34-0410-b5e6-96231b3b80d8
75 lines
3.5 KiB
C++
75 lines
3.5 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());
|
|
|
|
MergeableConst4Section =
|
|
MCSectionXCore::Create(".cp.rodata.cst4", MCSectionELF::SHT_PROGBITS,
|
|
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
|
|
MCSectionXCore::SHF_CP_SECTION,
|
|
SectionKind::getMergeableConst4(), false,
|
|
getContext());
|
|
MergeableConst8Section =
|
|
MCSectionXCore::Create(".cp.rodata.cst8", MCSectionELF::SHT_PROGBITS,
|
|
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
|
|
MCSectionXCore::SHF_CP_SECTION,
|
|
SectionKind::getMergeableConst8(), false,
|
|
getContext());
|
|
MergeableConst16Section =
|
|
MCSectionXCore::Create(".cp.rodata.cst16", MCSectionELF::SHT_PROGBITS,
|
|
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
|
|
MCSectionXCore::SHF_CP_SECTION,
|
|
SectionKind::getMergeableConst16(), false,
|
|
getContext());
|
|
|
|
// 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::getReadOnlyWithRel(), false,
|
|
getContext());
|
|
|
|
// Dynamic linking is not supported. Data with relocations is placed in the
|
|
// same section as data without relocations.
|
|
DataRelSection = DataRelLocalSection = DataSection;
|
|
DataRelROSection = DataRelROLocalSection = ReadOnlySection;
|
|
}
|