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Move flag decoding stuff into special hook

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53297 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2008-07-09 13:20:07 +00:00
parent 29b03f7375
commit 6e405f3f77
3 changed files with 27 additions and 17 deletions
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2
include/llvm/Target/TargetAsmInfo.h
View File

@ -474,6 +474,8 @@ namespace llvm {
virtual std::string UniqueSectionForGlobal(const GlobalValue* GV,
SectionKind::Kind kind) const;
virtual std::string PrintSectionFlags(unsigned flags) const { return ""; }
// Accessors.
//
const char *getTextSection() const {

41
lib/Target/X86/X86TargetAsmInfo.cpp
View File

@ -411,7 +411,6 @@ std::string X86TargetAsmInfo::UniqueSectionForGlobal(const GlobalValue* GV,
std::string X86TargetAsmInfo::SectionForGlobal(const GlobalValue *GV) const {
const X86Subtarget *Subtarget = &X86TM->getSubtarget<X86Subtarget>();
SectionKind::Kind kind = SectionKindForGlobal(GV);
unsigned flags = SectionFlagsForGlobal(GV, GV->getSection().c_str());
std::string Name;
@ -471,44 +470,53 @@ std::string X86TargetAsmInfo::SectionForGlobal(const GlobalValue *GV) const {
assert(0 && "Unsupported global");
}
Name += PrintSectionFlags(flags);
return Name;
}
std::string X86TargetAsmInfo::PrintSectionFlags(unsigned flags) const {
const X86Subtarget *Subtarget = &X86TM->getSubtarget<X86Subtarget>();
std::string Flags = "";
// Add all special flags, etc
switch (Subtarget->TargetType) {
case X86Subtarget::isELF:
Name += ",\"";
Flags += ",\"";
if (!(flags & SectionFlags::Debug))
Name += 'a';
Flags += 'a';
if (flags & SectionFlags::Code)
Name += 'x';
Flags += 'x';
if (flags & SectionFlags::Writeable)
Name += 'w';
Flags += 'w';
if (flags & SectionFlags::Mergeable)
Name += 'M';
Flags += 'M';
if (flags & SectionFlags::Strings)
Name += 'S';
Flags += 'S';
if (flags & SectionFlags::TLS)
Name += 'T';
Flags += 'T';
Name += "\"";
Flags += "\"";
// FIXME: There can be exceptions here
if (flags & SectionFlags::BSS)
Name += ",@nobits";
Flags += ",@nobits";
else
Name += ",@progbits";
Flags += ",@progbits";
// FIXME: entity size for mergeable sections
break;
case X86Subtarget::isCygwin:
case X86Subtarget::isMingw:
Name += ",\"";
Flags += ",\"";
if (flags & SectionFlags::Code)
Name += 'x';
Flags += 'x';
if (flags & SectionFlags::Writeable)
Name += 'w';
Flags += 'w';
Name += "\"";
Flags += "\"";
break;
case X86Subtarget::isDarwin:
@ -517,6 +525,5 @@ std::string X86TargetAsmInfo::SectionForGlobal(const GlobalValue *GV) const {
break;
}
return Name;
return Flags;
}

1
lib/Target/X86/X86TargetAsmInfo.h
View File

@ -30,6 +30,7 @@ namespace llvm {
virtual std::string SectionForGlobal(const GlobalValue *GV) const;
virtual std::string UniqueSectionForGlobal(const GlobalValue* GV,
SectionKind::Kind kind) const;
virtual std::string PrintSectionFlags(unsigned flags) const;
private:
const X86TargetMachine* X86TM;