llvm-6502/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
Craig Topper c848b1bbcf [C++] Use 'nullptr'. Target edition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207197 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-25 05:30:21 +00:00

83 lines
2.4 KiB
C++

//===-- PPCMCAsmInfo.cpp - PPC asm properties -----------------------------===//
//
// 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 MCAsmInfoDarwin properties.
//
//===----------------------------------------------------------------------===//
#include "PPCMCAsmInfo.h"
#include "llvm/ADT/Triple.h"
using namespace llvm;
void PPCMCAsmInfoDarwin::anchor() { }
PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit, const Triple& T) {
if (is64Bit) {
PointerSize = CalleeSaveStackSlotSize = 8;
}
IsLittleEndian = false;
CommentString = ";";
ExceptionsType = ExceptionHandling::DwarfCFI;
if (!is64Bit)
Data64bitsDirective = nullptr; // We can't emit a 64-bit unit in PPC32 mode.
AssemblerDialect = 1; // New-Style mnemonics.
SupportsDebugInformation= true; // Debug information.
// The installed assembler for OSX < 10.6 lacks some directives.
// FIXME: this should really be a check on the assembler characteristics
// rather than OS version
if (T.isMacOSX() && T.isMacOSXVersionLT(10, 6))
HasWeakDefCanBeHiddenDirective = false;
UseIntegratedAssembler = true;
}
void PPCLinuxMCAsmInfo::anchor() { }
PPCLinuxMCAsmInfo::PPCLinuxMCAsmInfo(bool is64Bit, const Triple& T) {
if (is64Bit) {
PointerSize = CalleeSaveStackSlotSize = 8;
}
IsLittleEndian = T.getArch() == Triple::ppc64le;
// ".comm align is in bytes but .align is pow-2."
AlignmentIsInBytes = false;
CommentString = "#";
// Uses '.section' before '.bss' directive
UsesELFSectionDirectiveForBSS = true;
// Debug Information
SupportsDebugInformation = true;
DollarIsPC = true;
// Set up DWARF directives
HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
MinInstAlignment = 4;
// Exceptions handling
ExceptionsType = ExceptionHandling::DwarfCFI;
ZeroDirective = "\t.space\t";
Data64bitsDirective = is64Bit ? "\t.quad\t" : nullptr;
AssemblerDialect = 1; // New-Style mnemonics.
if (T.getOS() == llvm::Triple::FreeBSD ||
(T.getOS() == llvm::Triple::NetBSD && !is64Bit) ||
(T.getOS() == llvm::Triple::OpenBSD && !is64Bit))
UseIntegratedAssembler = true;
}