| Chris Lattner | 40412e7 | 2009-07-27 16:45:59 +0000 | [diff] [blame^] | 1 | //===-- COFFTargetAsmInfo.cpp - COFF asm properties -------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file defines target asm properties related what form asm statements |
| 11 | // should take in general on COFF-based targets |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #include "llvm/Target/COFFTargetAsmInfo.h" |
| 16 | #include "llvm/ADT/SmallVector.h" |
| 17 | using namespace llvm; |
| 18 | |
| 19 | COFFTargetAsmInfo::COFFTargetAsmInfo(const TargetMachine &TM) |
| 20 | : TargetAsmInfo(TM) { |
| 21 | |
| 22 | TextSection = getOrCreateSection("_text", true, SectionKind::Text); |
| 23 | DataSection = getOrCreateSection("_data", true, SectionKind::DataRel); |
| 24 | |
| 25 | GlobalPrefix = "_"; |
| 26 | LCOMMDirective = "\t.lcomm\t"; |
| 27 | COMMDirectiveTakesAlignment = false; |
| 28 | HasDotTypeDotSizeDirective = false; |
| 29 | HasSingleParameterDotFile = false; |
| 30 | StaticCtorsSection = "\t.section .ctors,\"aw\""; |
| 31 | StaticDtorsSection = "\t.section .dtors,\"aw\""; |
| 32 | HiddenDirective = NULL; |
| 33 | PrivateGlobalPrefix = "L"; // Prefix for private global symbols |
| 34 | WeakRefDirective = "\t.weak\t"; |
| 35 | SetDirective = "\t.set\t"; |
| 36 | |
| 37 | // Set up DWARF directives |
| 38 | HasLEB128 = true; // Target asm supports leb128 directives (little-endian) |
| 39 | AbsoluteDebugSectionOffsets = true; |
| 40 | AbsoluteEHSectionOffsets = false; |
| 41 | SupportsDebugInformation = true; |
| 42 | DwarfSectionOffsetDirective = "\t.secrel32\t"; |
| 43 | DwarfAbbrevSection = "\t.section\t.debug_abbrev,\"dr\""; |
| 44 | DwarfInfoSection = "\t.section\t.debug_info,\"dr\""; |
| 45 | DwarfLineSection = "\t.section\t.debug_line,\"dr\""; |
| 46 | DwarfFrameSection = "\t.section\t.debug_frame,\"dr\""; |
| 47 | DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"dr\""; |
| 48 | DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"dr\""; |
| 49 | DwarfStrSection = "\t.section\t.debug_str,\"dr\""; |
| 50 | DwarfLocSection = "\t.section\t.debug_loc,\"dr\""; |
| 51 | DwarfARangesSection = "\t.section\t.debug_aranges,\"dr\""; |
| 52 | DwarfRangesSection = "\t.section\t.debug_ranges,\"dr\""; |
| 53 | DwarfMacroInfoSection = "\t.section\t.debug_macinfo,\"dr\""; |
| 54 | } |
| 55 | |
| 56 | const char *COFFTargetAsmInfo:: |
| 57 | getSectionPrefixForUniqueGlobal(SectionKind Kind) const { |
| 58 | if (Kind.isText()) |
| 59 | return ".text$linkonce"; |
| 60 | if (Kind.isWriteable()) |
| 61 | return ".data$linkonce"; |
| 62 | return ".rdata$linkonce"; |
| 63 | } |
| 64 | |
| 65 | void COFFTargetAsmInfo::getSectionFlagsAsString(SectionKind Kind, |
| 66 | SmallVectorImpl<char> &Str) const { |
| 67 | // FIXME: Inefficient. |
| 68 | std::string Res = ",\""; |
| 69 | if (Kind.isText()) |
| 70 | Res += 'x'; |
| 71 | if (Kind.isWriteable()) |
| 72 | Res += 'w'; |
| 73 | Res += "\""; |
| 74 | |
| 75 | Str.append(Res.begin(), Res.end()); |
| 76 | } |