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 PointerSize = CalleeSaveStackSlotSize = 8;
25 IsLittleEndian = false;
28 ExceptionsType = ExceptionHandling::DwarfCFI;
31 Data64bitsDirective = nullptr; // We can't emit a 64-bit unit in PPC32 mode.
33 AssemblerDialect = 1; // New-Style mnemonics.
34 SupportsDebugInformation= true; // Debug information.
36 // The installed assembler for OSX < 10.6 lacks some directives.
37 // FIXME: this should really be a check on the assembler characteristics
38 // rather than OS version
39 if (T.isMacOSX() && T.isMacOSXVersionLT(10, 6))
40 HasWeakDefCanBeHiddenDirective = false;
42 UseIntegratedAssembler = true;
45 void PPCELFMCAsmInfo::anchor() { }
47 PPCELFMCAsmInfo::PPCELFMCAsmInfo(bool is64Bit, const Triple& T) {
48 // FIXME: This is not always needed. For example, it is not needed in the
50 NeedsLocalForSize = true;
53 PointerSize = CalleeSaveStackSlotSize = 8;
55 IsLittleEndian = T.getArch() == Triple::ppc64le;
57 // ".comm align is in bytes but .align is pow-2."
58 AlignmentIsInBytes = false;
62 // Uses '.section' before '.bss' directive
63 UsesELFSectionDirectiveForBSS = true;
66 SupportsDebugInformation = true;
70 // Set up DWARF directives
73 // Exceptions handling
74 ExceptionsType = ExceptionHandling::DwarfCFI;
76 ZeroDirective = "\t.space\t";
77 Data64bitsDirective = is64Bit ? "\t.quad\t" : nullptr;
78 AssemblerDialect = 1; // New-Style mnemonics.
79 LCOMMDirectiveAlignmentType = LCOMM::ByteAlignment;
81 UseIntegratedAssembler = true;