make COFF work like ELF and macho, by splitting out into its own
header even though there is only one COFF target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77204 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/COFFTargetAsmInfo.cpp b/lib/Target/COFFTargetAsmInfo.cpp
new file mode 100644
index 0000000..5d080b4
--- /dev/null
+++ b/lib/Target/COFFTargetAsmInfo.cpp
@@ -0,0 +1,76 @@
+//===-- COFFTargetAsmInfo.cpp - COFF asm properties -------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines target asm properties related what form asm statements
+// should take in general on COFF-based targets
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Target/COFFTargetAsmInfo.h"
+#include "llvm/ADT/SmallVector.h"
+using namespace llvm;
+
+COFFTargetAsmInfo::COFFTargetAsmInfo(const TargetMachine &TM)
+ : TargetAsmInfo(TM) {
+
+ TextSection = getOrCreateSection("_text", true, SectionKind::Text);
+ DataSection = getOrCreateSection("_data", true, SectionKind::DataRel);
+
+ GlobalPrefix = "_";
+ LCOMMDirective = "\t.lcomm\t";
+ COMMDirectiveTakesAlignment = false;
+ HasDotTypeDotSizeDirective = false;
+ HasSingleParameterDotFile = false;
+ StaticCtorsSection = "\t.section .ctors,\"aw\"";
+ StaticDtorsSection = "\t.section .dtors,\"aw\"";
+ HiddenDirective = NULL;
+ PrivateGlobalPrefix = "L"; // Prefix for private global symbols
+ WeakRefDirective = "\t.weak\t";
+ SetDirective = "\t.set\t";
+
+ // Set up DWARF directives
+ HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
+ AbsoluteDebugSectionOffsets = true;
+ AbsoluteEHSectionOffsets = false;
+ SupportsDebugInformation = true;
+ DwarfSectionOffsetDirective = "\t.secrel32\t";
+ DwarfAbbrevSection = "\t.section\t.debug_abbrev,\"dr\"";
+ DwarfInfoSection = "\t.section\t.debug_info,\"dr\"";
+ DwarfLineSection = "\t.section\t.debug_line,\"dr\"";
+ DwarfFrameSection = "\t.section\t.debug_frame,\"dr\"";
+ DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"dr\"";
+ DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"dr\"";
+ DwarfStrSection = "\t.section\t.debug_str,\"dr\"";
+ DwarfLocSection = "\t.section\t.debug_loc,\"dr\"";
+ DwarfARangesSection = "\t.section\t.debug_aranges,\"dr\"";
+ DwarfRangesSection = "\t.section\t.debug_ranges,\"dr\"";
+ DwarfMacroInfoSection = "\t.section\t.debug_macinfo,\"dr\"";
+}
+
+const char *COFFTargetAsmInfo::
+getSectionPrefixForUniqueGlobal(SectionKind Kind) const {
+ if (Kind.isText())
+ return ".text$linkonce";
+ if (Kind.isWriteable())
+ return ".data$linkonce";
+ return ".rdata$linkonce";
+}
+
+void COFFTargetAsmInfo::getSectionFlagsAsString(SectionKind Kind,
+ SmallVectorImpl<char> &Str) const {
+ // FIXME: Inefficient.
+ std::string Res = ",\"";
+ if (Kind.isText())
+ Res += 'x';
+ if (Kind.isWriteable())
+ Res += 'w';
+ Res += "\"";
+
+ Str.append(Res.begin(), Res.end());
+}