| //===-- 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 "llvm/MC/MCContext.h" |
| #include "llvm/MC/MCSectionELF.h" |
| #include "llvm/Target/TargetMachine.h" |
| #include "llvm/Support/ELF.h" |
| using namespace llvm; |
| |
| |
| void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){ |
| TargetLoweringObjectFileELF::Initialize(Ctx, TM); |
| |
| DataSection = |
| Ctx.getELFSection(".dp.data", ELF::SHT_PROGBITS, |
| ELF::SHF_ALLOC | ELF::SHF_WRITE | |
| ELF::XCORE_SHF_DP_SECTION, |
| SectionKind::getDataRel()); |
| BSSSection = |
| Ctx.getELFSection(".dp.bss", ELF::SHT_NOBITS, |
| ELF::SHF_ALLOC | ELF::SHF_WRITE | |
| ELF::XCORE_SHF_DP_SECTION, |
| SectionKind::getBSS()); |
| |
| MergeableConst4Section = |
| Ctx.getELFSection(".cp.rodata.cst4", ELF::SHT_PROGBITS, |
| ELF::SHF_ALLOC | ELF::SHF_MERGE | |
| ELF::XCORE_SHF_CP_SECTION, |
| SectionKind::getMergeableConst4()); |
| MergeableConst8Section = |
| Ctx.getELFSection(".cp.rodata.cst8", ELF::SHT_PROGBITS, |
| ELF::SHF_ALLOC | ELF::SHF_MERGE | |
| ELF::XCORE_SHF_CP_SECTION, |
| SectionKind::getMergeableConst8()); |
| MergeableConst16Section = |
| Ctx.getELFSection(".cp.rodata.cst16", ELF::SHT_PROGBITS, |
| ELF::SHF_ALLOC | ELF::SHF_MERGE | |
| ELF::XCORE_SHF_CP_SECTION, |
| SectionKind::getMergeableConst16()); |
| |
| // 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; |
| |
| ReadOnlySection = |
| Ctx.getELFSection(".cp.rodata", ELF::SHT_PROGBITS, |
| ELF::SHF_ALLOC | |
| ELF::XCORE_SHF_CP_SECTION, |
| SectionKind::getReadOnlyWithRel()); |
| |
| // Dynamic linking is not supported. Data with relocations is placed in the |
| // same section as data without relocations. |
| DataRelSection = DataRelLocalSection = DataSection; |
| DataRelROSection = DataRelROLocalSection = ReadOnlySection; |
| } |