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//===-- SPUTargetAsmInfo.cpp - Cell SPU asm properties ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the declarations of the SPUTargetAsmInfo properties.
//
//===----------------------------------------------------------------------===//
#include "SPUTargetAsmInfo.h"
#include "SPUTargetMachine.h"
#include "llvm/Function.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Dwarf.h"
using namespace llvm;
using namespace llvm::dwarf;
SPULinuxTargetAsmInfo::SPULinuxTargetAsmInfo(const SPUTargetMachine &TM) :
SPUTargetAsmInfo<ELFTargetAsmInfo>(TM) {
PCSymbol = ".";
CommentString = "#";
GlobalPrefix = "";
PrivateGlobalPrefix = ".L";
// This corresponds to what the gcc SPU compiler emits, for consistency.
CStringSection = ".rodata.str";
// Has leb128, .loc and .file
HasLEB128 = true;
HasDotLocAndDotFile = true;
// BSS section needs to be emitted as ".section"
BSSSection = "\t.section\t.bss";
BSSSection_ = getUnnamedSection("\t.section\t.bss",
SectionFlags::Writeable | SectionFlags::BSS,
true);
SupportsDebugInformation = true;
NeedsSet = true;
DwarfAbbrevSection = "\t.section .debug_abbrev,\"\",@progbits";
DwarfInfoSection = "\t.section .debug_info,\"\",@progbits";
DwarfLineSection = "\t.section .debug_line,\"\",@progbits";
DwarfFrameSection = "\t.section .debug_frame,\"\",@progbits";
DwarfPubNamesSection = "\t.section .debug_pubnames,\"\",@progbits";
DwarfPubTypesSection = "\t.section .debug_pubtypes,\"\",progbits";
DwarfStrSection = "\t.section .debug_str,\"MS\",@progbits,1";
DwarfLocSection = "\t.section .debug_loc,\"\",@progbits";
DwarfARangesSection = "\t.section .debug_aranges,\"\",@progbits";
DwarfRangesSection = "\t.section .debug_ranges,\"\",@progbits";
DwarfMacroInfoSection = 0; // macro info not supported.
// Exception handling is not supported on CellSPU (think about it: you only
// have 256K for code+data. Would you support exception handling?)
SupportsExceptionHandling = false;
}
/// PreferredEHDataFormat - This hook allows the target to select data
/// format used for encoding pointers in exception handling data. Reason is
/// 0 for data, 1 for code labels, 2 for function pointers. Global is true
/// if the symbol can be relocated.
unsigned
SPULinuxTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
bool Global) const {
// We really need to write something here.
return TargetAsmInfo::PreferredEHDataFormat(Reason, Global);
}
// Instantiate default implementation.
TEMPLATE_INSTANTIATION(class SPUTargetAsmInfo<TargetAsmInfo>);
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