#include "llvm/Support/raw_ostream.h"
using namespace llvm;
-MCSectionELF *MCSectionELF::
-Create(StringRef Section, unsigned Type, unsigned Flags,
- SectionKind K, bool isExplicit, MCContext &Ctx) {
- return new (Ctx) MCSectionELF(Section, Type, Flags, K, isExplicit);
-}
+MCSectionELF::~MCSectionELF() {} // anchor.
// ShouldOmitSectionDirective - Decides whether a '.section' directive
// should be printed before the section name
return false;
}
-// ShouldPrintSectionType - Only prints the section type if supported
-bool MCSectionELF::ShouldPrintSectionType(unsigned Ty) const {
- if (IsExplicit && !(Ty == SHT_NOBITS || Ty == SHT_PROGBITS))
- return false;
-
- return true;
-}
-
void MCSectionELF::PrintSwitchToSection(const MCAsmInfo &MAI,
raw_ostream &OS) const {
OS << ",#write";
if (Flags & MCSectionELF::SHF_TLS)
OS << ",#tls";
- } else {
- OS << ",\"";
- if (Flags & MCSectionELF::SHF_ALLOC)
- OS << 'a';
- if (Flags & MCSectionELF::SHF_EXECINSTR)
- OS << 'x';
- if (Flags & MCSectionELF::SHF_WRITE)
- OS << 'w';
- if (Flags & MCSectionELF::SHF_MERGE)
- OS << 'M';
- if (Flags & MCSectionELF::SHF_STRINGS)
- OS << 'S';
- if (Flags & MCSectionELF::SHF_TLS)
- OS << 'T';
-
- // If there are target-specific flags, print them.
- if (Flags & ~MCSectionELF::TARGET_INDEP_SHF)
- PrintTargetSpecificSectionFlags(MAI, OS);
-
- OS << '"';
-
- if (ShouldPrintSectionType(Type)) {
- OS << ',';
-
- // If comment string is '@', e.g. as on ARM - use '%' instead
- if (MAI.getCommentString()[0] == '@')
- OS << '%';
- else
- OS << '@';
-
- if (Type == MCSectionELF::SHT_INIT_ARRAY)
- OS << "init_array";
- else if (Type == MCSectionELF::SHT_FINI_ARRAY)
- OS << "fini_array";
- else if (Type == MCSectionELF::SHT_PREINIT_ARRAY)
- OS << "preinit_array";
- else if (Type == MCSectionELF::SHT_NOBITS)
- OS << "nobits";
- else if (Type == MCSectionELF::SHT_PROGBITS)
- OS << "progbits";
-
- if (getKind().isMergeable1ByteCString()) {
- OS << ",1";
- } else if (getKind().isMergeable2ByteCString()) {
- OS << ",2";
- } else if (getKind().isMergeable4ByteCString() ||
- getKind().isMergeableConst4()) {
- OS << ",4";
- } else if (getKind().isMergeableConst8()) {
- OS << ",8";
- } else if (getKind().isMergeableConst16()) {
- OS << ",16";
- }
- }
+ OS << '\n';
+ return;
}
+ OS << ",\"";
+ if (Flags & MCSectionELF::SHF_ALLOC)
+ OS << 'a';
+ if (Flags & MCSectionELF::SHF_EXECINSTR)
+ OS << 'x';
+ if (Flags & MCSectionELF::SHF_WRITE)
+ OS << 'w';
+ if (Flags & MCSectionELF::SHF_MERGE)
+ OS << 'M';
+ if (Flags & MCSectionELF::SHF_STRINGS)
+ OS << 'S';
+ if (Flags & MCSectionELF::SHF_TLS)
+ OS << 'T';
+
+ // If there are target-specific flags, print them.
+ if (Flags & MCSectionELF::XCORE_SHF_CP_SECTION)
+ OS << 'c';
+ if (Flags & MCSectionELF::XCORE_SHF_DP_SECTION)
+ OS << 'd';
+
+ OS << '"';
+
+ OS << ',';
+
+ // If comment string is '@', e.g. as on ARM - use '%' instead
+ if (MAI.getCommentString()[0] == '@')
+ OS << '%';
+ else
+ OS << '@';
+
+ if (Type == MCSectionELF::SHT_INIT_ARRAY)
+ OS << "init_array";
+ else if (Type == MCSectionELF::SHT_FINI_ARRAY)
+ OS << "fini_array";
+ else if (Type == MCSectionELF::SHT_PREINIT_ARRAY)
+ OS << "preinit_array";
+ else if (Type == MCSectionELF::SHT_NOBITS)
+ OS << "nobits";
+ else if (Type == MCSectionELF::SHT_PROGBITS)
+ OS << "progbits";
+
+ if (EntrySize) {
+ assert(Flags & MCSectionELF::SHF_MERGE);
+ OS << "," << EntrySize;
+ }
+
OS << '\n';
}
+bool MCSectionELF::UseCodeAlign() const {
+ return getFlags() & MCSectionELF::SHF_EXECINSTR;
+}
+
+bool MCSectionELF::isVirtualSection() const {
+ return getType() == MCSectionELF::SHT_NOBITS;
+}
+
// HasCommonSymbols - True if this section holds common symbols, this is
// indicated on the ELF object file by a symbol with SHN_COMMON section
// header index.
return false;
}
-
+unsigned MCSectionELF::DetermineEntrySize(SectionKind Kind) {
+ if (Kind.isMergeable1ByteCString()) return 1;
+ if (Kind.isMergeable2ByteCString()) return 2;
+ if (Kind.isMergeable4ByteCString()) return 4;
+ if (Kind.isMergeableConst4()) return 4;
+ if (Kind.isMergeableConst8()) return 8;
+ if (Kind.isMergeableConst16()) return 16;
+ return 0;
+}