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Provide direct function to switch to Section

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56571 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2008-09-24 22:12:10 +00:00
parent 90a7b88c5b
commit b5a32e2e8c
3 changed files with 27 additions and 1 deletions
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7
include/llvm/CodeGen/AsmPrinter.h
View File

@ -32,6 +32,7 @@ namespace llvm {
class MachineConstantPoolValue;
class MachineModuleInfo;
class Mangler;
class Section;
class TargetAsmInfo;
class Type;
class raw_ostream;
@ -127,7 +128,11 @@ namespace llvm {
/// are the same.
///
void SwitchToDataSection(const char *NewSection, const GlobalValue *GV = NULL);
/// SwitchToSection - Switch to the specified section of the executable if
/// we are not already in it!
void SwitchToSection(const Section* NS);
/// getGlobalLinkName - Returns the asm/link name of of the specified
/// global variable. Should be overridden by each target asm printer to
/// generate the appropriate value.

1
include/llvm/Target/TargetAsmInfo.h
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@ -114,6 +114,7 @@ namespace llvm {
bool isNamed() const { return Flags & SectionFlags::Named; }
unsigned getEntitySize() const { return (Flags >> 24) & 0xFF; }
const std::string& getName() const { return Name; }
unsigned getFlags() const { return Flags; }
};
/// TargetAsmInfo - This class is intended to be used as a base class for asm

20
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
View File

@ -105,6 +105,26 @@ void AsmPrinter::SwitchToDataSection(const char *NewSection,
IsInTextSection = false;
}
/// SwitchToSection - Switch to the specified section of the executable if we
/// are not already in it!
void AsmPrinter::SwitchToSection(const Section* NS) {
const std::string& NewSection = NS->getName();
// If we're already in this section, we're done.
if (CurrentSection == NewSection) return;
// Close the current section, if applicable.
if (TAI->getSectionEndDirectiveSuffix() && !CurrentSection.empty())
O << CurrentSection << TAI->getSectionEndDirectiveSuffix() << '\n';
// FIXME: Make CurrentSection a Section* in the future
CurrentSection = NewSection;
if (!CurrentSection.empty())
O << CurrentSection << TAI->getDataSectionStartSuffix() << '\n';
IsInTextSection = (NS->getFlags() & SectionFlags::Code);
}
void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const {
MachineFunctionPass::getAnalysisUsage(AU);