1 //===-- XCoreTargetObjectFile.cpp - XCore object files --------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "XCoreTargetObjectFile.h"
11 #include "XCoreSubtarget.h"
12 #include "MCSectionXCore.h"
13 #include "llvm/Target/TargetMachine.h"
17 void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){
18 TargetLoweringObjectFileELF::Initialize(Ctx, TM);
21 MCSectionXCore::Create(".dp.data", MCSectionELF::SHT_PROGBITS,
22 MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
23 MCSectionXCore::SHF_DP_SECTION,
24 SectionKind::getDataRel(), false, getContext());
26 MCSectionXCore::Create(".dp.bss", MCSectionELF::SHT_NOBITS,
27 MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
28 MCSectionXCore::SHF_DP_SECTION,
29 SectionKind::getBSS(), false, getContext());
31 // For now, disable lowering of mergable sections, just drop everything into
33 MergeableConst4Section = 0;
34 MergeableConst8Section = 0;
35 MergeableConst16Section = 0;
37 // TLS globals are lowered in the backend to arrays indexed by the current
38 // thread id. After lowering they require no special handling by the linker
39 // and can be placed in the standard data / bss sections.
40 TLSDataSection = DataSection;
41 TLSBSSSection = BSSSection;
43 if (TM.getSubtarget<XCoreSubtarget>().isXS1A())
44 ReadOnlySection = // FIXME: Why is this a writable section for XS1A?
45 MCSectionXCore::Create(".dp.rodata", MCSectionELF::SHT_PROGBITS,
46 MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
47 MCSectionXCore::SHF_DP_SECTION,
48 SectionKind::getDataRel(), false, getContext());
51 MCSectionXCore::Create(".cp.rodata", MCSectionELF::SHT_PROGBITS,
52 MCSectionELF::SHF_ALLOC |
53 MCSectionXCore::SHF_CP_SECTION,
54 SectionKind::getReadOnlyWithRel(), false,
57 // Dynamic linking is not supported. Data with relocations is placed in the
58 // same section as data without relocations.
59 DataRelSection = DataRelLocalSection = DataSection;
60 DataRelROSection = DataRelROLocalSection = ReadOnlySection;