MCSectionELF::~MCSectionELF() {} // anchor.
-// ShouldOmitSectionDirective - Decides whether a '.section' directive
-// should be printed before the section name
+// Decides whether a '.section' directive
+// should be printed before the section name.
bool MCSectionELF::ShouldOmitSectionDirective(StringRef Name,
const MCAsmInfo &MAI) const {
- // FIXME: Does .section .bss/.data/.text work everywhere??
- if (Name == ".text" || Name == ".data" ||
- (Name == ".bss" && !MAI.usesELFSectionDirectiveForBSS()))
- return true;
+ if (isUnique())
+ return false;
- return false;
+ return MAI.shouldOmitSectionDirective(Name);
+}
+
+static void printName(raw_ostream &OS, StringRef Name) {
+ if (Name.find_first_not_of("0123456789_."
+ "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ") == Name.npos) {
+ OS << Name;
+ return;
+ }
+ OS << '"';
+ for (const char *B = Name.begin(), *E = Name.end(); B < E; ++B) {
+ if (*B == '"') // Unquoted "
+ OS << "\\\"";
+ else if (*B != '\\') // Neither " or backslash
+ OS << *B;
+ else if (B + 1 == E) // Trailing backslash
+ OS << "\\\\";
+ else {
+ OS << B[0] << B[1]; // Quoted character
+ ++B;
+ }
+ }
+ OS << '"';
}
void MCSectionELF::PrintSwitchToSection(const MCAsmInfo &MAI,
if (ShouldOmitSectionDirective(SectionName, MAI)) {
OS << '\t' << getSectionName();
- if (Subsection)
- OS << '\t' << *Subsection;
+ if (Subsection) {
+ OS << '\t';
+ Subsection->print(OS, &MAI);
+ }
OS << '\n';
return;
}
- StringRef name = getSectionName();
- if (name.find_first_not_of("0123456789_."
- "abcdefghijklmnopqrstuvwxyz"
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ") == name.npos) {
- OS << "\t.section\t" << name;
- } else {
- OS << "\t.section\t\"";
- for (const char *b = name.begin(), *e = name.end(); b < e; ++b) {
- if (*b == '"') // Unquoted "
- OS << "\\\"";
- else if (*b != '\\') // Neither " or backslash
- OS << *b;
- else if (b + 1 == e) // Trailing backslash
- OS << "\\\\";
- else {
- OS << b[0] << b[1]; // Quoted character
- ++b;
- }
- }
- OS << '"';
- }
+ OS << "\t.section\t";
+ printName(OS, getSectionName());
// Handle the weird solaris syntax if desired.
if (MAI.usesSunStyleELFSectionSwitchSyntax() &&
OS << ",#execinstr";
if (Flags & ELF::SHF_WRITE)
OS << ",#write";
+ if (Flags & ELF::SHF_EXCLUDE)
+ OS << ",#exclude";
if (Flags & ELF::SHF_TLS)
OS << ",#tls";
OS << '\n';
OS << ",\"";
if (Flags & ELF::SHF_ALLOC)
OS << 'a';
+ if (Flags & ELF::SHF_EXCLUDE)
+ OS << 'e';
if (Flags & ELF::SHF_EXECINSTR)
OS << 'x';
if (Flags & ELF::SHF_GROUP)
OS << "note";
else if (Type == ELF::SHT_PROGBITS)
OS << "progbits";
+ else if (Type == ELF::SHT_X86_64_UNWIND)
+ OS << "unwind";
if (EntrySize) {
assert(Flags & ELF::SHF_MERGE);
OS << "," << EntrySize;
}
- if (Flags & ELF::SHF_GROUP)
- OS << "," << Group->getName() << ",comdat";
+ if (Flags & ELF::SHF_GROUP) {
+ OS << ",";
+ printName(OS, Group->getName());
+ OS << ",comdat";
+ }
+
+ if (isUnique())
+ OS << ",unique," << UniqueID;
+
OS << '\n';
- if (Subsection)
- OS << "\t.subsection\t" << *Subsection << '\n';
+ if (Subsection) {
+ OS << "\t.subsection\t";
+ Subsection->print(OS, &MAI);
+ OS << '\n';
+ }
}
bool MCSectionELF::UseCodeAlign() const {
bool MCSectionELF::isVirtualSection() const {
return getType() == ELF::SHT_NOBITS;
}
-
-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;
-}