0eb88f2029
to be compatible with symbol versioning support as implemented by GNU libc and documented by http://people.redhat.com/~drepper/symbol-versioning and LSB 3.0. Implement dlvsym() function to allow lookups for a specific version of a given symbol.
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*-
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* Copyright (c) 1998 John D. Polstra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_ELF_GENERIC_H_
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#define _SYS_ELF_GENERIC_H_ 1
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#include <sys/cdefs.h>
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/*
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* Definitions of generic ELF names which relieve applications from
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* needing to know the word size.
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*/
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#if __ELF_WORD_SIZE != 32 && __ELF_WORD_SIZE != 64
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#error "__ELF_WORD_SIZE must be defined as 32 or 64"
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#endif
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#define ELF_CLASS __CONCAT(ELFCLASS,__ELF_WORD_SIZE)
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#if BYTE_ORDER == LITTLE_ENDIAN
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#define ELF_DATA ELFDATA2LSB
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#elif BYTE_ORDER == BIG_ENDIAN
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#define ELF_DATA ELFDATA2MSB
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#else
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#error "Unknown byte order"
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#endif
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#define __elfN(x) __CONCAT(__CONCAT(__CONCAT(elf,__ELF_WORD_SIZE),_),x)
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#define __ElfN(x) __CONCAT(__CONCAT(__CONCAT(Elf,__ELF_WORD_SIZE),_),x)
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#define __ELFN(x) __CONCAT(__CONCAT(__CONCAT(ELF,__ELF_WORD_SIZE),_),x)
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#define __ElfType(x) typedef __ElfN(x) __CONCAT(Elf_,x)
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__ElfType(Addr);
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__ElfType(Half);
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__ElfType(Off);
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__ElfType(Sword);
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__ElfType(Word);
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__ElfType(Ehdr);
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__ElfType(Shdr);
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__ElfType(Phdr);
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__ElfType(Dyn);
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__ElfType(Rel);
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__ElfType(Rela);
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__ElfType(Sym);
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__ElfType(Verdef);
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__ElfType(Verdaux);
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__ElfType(Verneed);
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__ElfType(Vernaux);
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__ElfType(Versym);
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/* Non-standard ELF types. */
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__ElfType(Hashelt);
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__ElfType(Size);
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__ElfType(Ssize);
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#define ELF_R_SYM __ELFN(R_SYM)
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#define ELF_R_TYPE __ELFN(R_TYPE)
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#define ELF_R_INFO __ELFN(R_INFO)
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#define ELF_ST_BIND __ELFN(ST_BIND)
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#define ELF_ST_TYPE __ELFN(ST_TYPE)
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#define ELF_ST_INFO __ELFN(ST_INFO)
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#endif /* !_SYS_ELF_GENERIC_H_ */
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