1 //===-- PPCMCAsmInfo.cpp - PPC asm properties -----------------------------===//
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 // This file contains the declarations of the MCAsmInfoDarwin properties.
12 //===----------------------------------------------------------------------===//
14 #include "PPCMCAsmInfo.h"
15 #include "llvm/ADT/Triple.h"
19 void PPCMCAsmInfoDarwin::anchor() { }
21 PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit, const Triple& T) {
23 CodePointerSize = CalleeSaveStackSlotSize = 8;
25 IsLittleEndian = false;
27 SeparatorString = "@";
29 ExceptionsType = ExceptionHandling::DwarfCFI;
32 Data64bitsDirective = nullptr; // We can't emit a 64-bit unit in PPC32 mode.
34 AssemblerDialect = 1; // New-Style mnemonics.
35 SupportsDebugInformation= true; // Debug information.
37 // The installed assembler for OSX < 10.6 lacks some directives.
38 // FIXME: this should really be a check on the assembler characteristics
39 // rather than OS version
40 if (T.isMacOSX() && T.isMacOSXVersionLT(10, 6))
41 HasWeakDefCanBeHiddenDirective = false;
43 UseIntegratedAssembler = true;
46 void PPCELFMCAsmInfo::anchor() { }
48 PPCELFMCAsmInfo::PPCELFMCAsmInfo(bool is64Bit, const Triple& T) {
49 // FIXME: This is not always needed. For example, it is not needed in the
51 NeedsLocalForSize = true;
54 CodePointerSize = CalleeSaveStackSlotSize = 8;
56 IsLittleEndian = T.getArch() == Triple::ppc64le;
58 // ".comm align is in bytes but .align is pow-2."
59 AlignmentIsInBytes = false;
63 // Uses '.section' before '.bss' directive
64 UsesELFSectionDirectiveForBSS = true;
67 SupportsDebugInformation = true;
71 // Set up DWARF directives
74 // Exceptions handling
75 ExceptionsType = ExceptionHandling::DwarfCFI;
77 ZeroDirective = "\t.space\t";
78 Data64bitsDirective = is64Bit ? "\t.quad\t" : nullptr;
79 AssemblerDialect = 1; // New-Style mnemonics.
80 LCOMMDirectiveAlignmentType = LCOMM::ByteAlignment;
82 UseIntegratedAssembler = true;