| 1 | //===-- PPCMCAsmInfo.cpp - PPC asm properties -----------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // This file contains the declarations of the MCAsmInfoDarwin properties. |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
| 13 | #include "PPCMCAsmInfo.h" |
| 14 | #include "llvm/TargetParser/Triple.h" |
| 15 | |
| 16 | using namespace llvm; |
| 17 | |
| 18 | void PPCELFMCAsmInfo::anchor() { } |
| 19 | |
| 20 | PPCELFMCAsmInfo::PPCELFMCAsmInfo(bool is64Bit, const Triple& T) { |
| 21 | // FIXME: This is not always needed. For example, it is not needed in the |
| 22 | // v2 abi. |
| 23 | NeedsLocalForSize = true; |
| 24 | |
| 25 | if (is64Bit) { |
| 26 | CodePointerSize = CalleeSaveStackSlotSize = 8; |
| 27 | } |
| 28 | IsLittleEndian = |
| 29 | T.getArch() == Triple::ppc64le || T.getArch() == Triple::ppcle; |
| 30 | |
| 31 | // ".comm align is in bytes but .align is pow-2." |
| 32 | AlignmentIsInBytes = false; |
| 33 | |
| 34 | CommentString = "#"; |
| 35 | |
| 36 | // Uses '.section' before '.bss' directive |
| 37 | UsesELFSectionDirectiveForBSS = true; |
| 38 | |
| 39 | // Debug Information |
| 40 | SupportsDebugInformation = true; |
| 41 | |
| 42 | DollarIsPC = true; |
| 43 | |
| 44 | // Set up DWARF directives |
| 45 | MinInstAlignment = 4; |
| 46 | |
| 47 | // Exceptions handling |
| 48 | ExceptionsType = ExceptionHandling::DwarfCFI; |
| 49 | |
| 50 | ZeroDirective = "\t.space\t"; |
| 51 | Data64bitsDirective = is64Bit ? "\t.quad\t": nullptr; |
| 52 | AssemblerDialect = 1; // New-Style mnemonics. |
| 53 | LCOMMDirectiveAlignmentType = LCOMM::ByteAlignment; |
| 54 | } |
| 55 | |
| 56 | void PPCXCOFFMCAsmInfo::anchor() {} |
| 57 | |
| 58 | PPCXCOFFMCAsmInfo::PPCXCOFFMCAsmInfo(bool Is64Bit, const Triple &T) { |
| 59 | if (T.getArch() == Triple::ppc64le || T.getArch() == Triple::ppcle) |
| 60 | report_fatal_error(reason: "XCOFF is not supported for little-endian targets"); |
| 61 | CodePointerSize = CalleeSaveStackSlotSize = Is64Bit ? 8 : 4; |
| 62 | |
| 63 | // A size of 8 is only supported by the assembler under 64-bit. |
| 64 | Data64bitsDirective = Is64Bit ? "\t.vbyte\t8, ": nullptr; |
| 65 | |
| 66 | // Debug Information |
| 67 | SupportsDebugInformation = true; |
| 68 | |
| 69 | // Set up DWARF directives |
| 70 | MinInstAlignment = 4; |
| 71 | |
| 72 | // Support $ as PC in inline asm |
| 73 | DollarIsPC = true; |
| 74 | } |
| 75 |