llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
2007-03-08 01:25:25 +00:00

97 lines
3.7 KiB
C++

//===-- PPCTargetAsmInfo.cpp - PPC asm properties ---------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by James M. Laskey and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the declarations of the DarwinTargetAsmInfo properties.
//
//===----------------------------------------------------------------------===//
#include "PPCTargetAsmInfo.h"
#include "PPCTargetMachine.h"
#include "llvm/Function.h"
using namespace llvm;
PPCTargetAsmInfo::PPCTargetAsmInfo(const PPCTargetMachine &TM) {
bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
ZeroDirective = "\t.space\t";
SetDirective = "\t.set";
Data64bitsDirective = isPPC64 ? "\t.quad\t" : 0;
AlignmentIsInBytes = false;
LCOMMDirective = "\t.lcomm\t";
InlineAsmStart = "# InlineAsm Start";
InlineAsmEnd = "# InlineAsm End";
AssemblerDialect = TM.getSubtargetImpl()->getAsmFlavor();
NeedsSet = true;
AddressSize = isPPC64 ? 8 : 4;
DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
DwarfEHFrameSection =
".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
}
DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
: PPCTargetAsmInfo(TM)
{
PCSymbol = ".";
CommentString = ";";
GlobalPrefix = "_";
PrivateGlobalPrefix = "L";
ConstantPoolSection = "\t.const\t";
JumpTableDataSection = ".const";
GlobalDirective = "\t.globl\t";
CStringSection = "\t.cstring";
FourByteConstantSection = "\t.literal4\n";
EightByteConstantSection = "\t.literal8\n";
ReadOnlySection = "\t.const\n";
if (TM.getRelocationModel() == Reloc::Static) {
StaticCtorsSection = ".constructor";
StaticDtorsSection = ".destructor";
} else {
StaticCtorsSection = ".mod_init_func";
StaticDtorsSection = ".mod_term_func";
}
UsedDirective = "\t.no_dead_strip\t";
WeakRefDirective = "\t.weak_reference\t";
HiddenDirective = "\t.private_extern\t";
SupportsExceptionHandling = true;
// In non-PIC modes, emit a special label before jump tables so that the
// linker can perform more accurate dead code stripping.
if (TM.getRelocationModel() != Reloc::PIC_) {
// Emit a local label that is preserved until the linker runs.
JumpTableSpecialLabelPrefix = "l";
}
}
LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM)
: PPCTargetAsmInfo(TM)
{
CommentString = "#";
GlobalPrefix = "";
PrivateGlobalPrefix = "";
ConstantPoolSection = "\t.section .rodata.cst4\t";
JumpTableDataSection = ".section .rodata.cst4";
CStringSection = "\t.section\t.rodata";
StaticCtorsSection = ".section\t.ctors,\"aw\",@progbits";
StaticDtorsSection = ".section\t.dtors,\"aw\",@progbits";
UsedDirective = "\t# .no_dead_strip\t";
WeakRefDirective = "\t.weak\t";
}