113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
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//===- LDFileFormat.h -----------------------------------------------------===//
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//
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// The MCLinker Project
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MCLD_LD_LDFILEFORMAT_H_
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#define MCLD_LD_LDFILEFORMAT_H_
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#include <cassert>
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#include <cstddef>
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namespace mcld {
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class LDSection;
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class ObjectBuilder;
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/** \class LDFileFormat
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* \brief LDFileFormat describes the common file formats.
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*/
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class LDFileFormat {
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public:
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enum Kind {
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Null,
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TEXT, // Executable regular sections
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DATA, // Non-executable regular sections
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BSS,
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NamePool,
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Relocation,
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Debug,
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DebugString,
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Target,
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EhFrame,
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EhFrameHdr,
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GCCExceptTable,
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Version,
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Note,
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MetaData,
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Group,
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LinkOnce,
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StackNote,
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Ignore,
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Exclude,
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Folded
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};
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protected:
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LDFileFormat();
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public:
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virtual ~LDFileFormat();
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/// initStdSections - initialize all standard section headers.
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/// @param [in] pBuilder The ObjectBuilder to create section headers
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/// @param [in] pBitClass The bitclass of target backend.
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virtual void initStdSections(ObjectBuilder& pBuilder,
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unsigned int pBitClass) = 0;
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// ----- access functions ----- //
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LDSection& getText() {
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assert(f_pTextSection != NULL);
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return *f_pTextSection;
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}
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const LDSection& getText() const {
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assert(f_pTextSection != NULL);
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return *f_pTextSection;
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}
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LDSection& getData() {
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assert(f_pDataSection != NULL);
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return *f_pDataSection;
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}
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const LDSection& getData() const {
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assert(f_pDataSection != NULL);
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return *f_pDataSection;
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}
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LDSection& getBSS() {
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assert(f_pBSSSection != NULL);
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return *f_pBSSSection;
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}
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const LDSection& getBSS() const {
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assert(f_pBSSSection != NULL);
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return *f_pBSSSection;
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}
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LDSection& getReadOnly() {
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assert(f_pReadOnlySection != NULL);
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return *f_pReadOnlySection;
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}
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const LDSection& getReadOnly() const {
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assert(f_pReadOnlySection != NULL);
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return *f_pReadOnlySection;
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}
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protected:
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// variable name : ELF MachO
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LDSection* f_pTextSection; // .text __text
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LDSection* f_pDataSection; // .data __data
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LDSection* f_pBSSSection; // .bss __bss
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LDSection* f_pReadOnlySection; // .rodata __const
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};
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} // namespace mcld
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#endif // MCLD_LD_LDFILEFORMAT_H_
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