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#ifndef PROTOS_H
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#define PROTOS_H
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#include <byteswap.h>
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#include <elf.h>
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#include "config.h"
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#ifdef WORDS_BIGENDIAN
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#define ELFDATA2 ELFDATA2MSB
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#else
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#define ELFDATA2 ELFDATA2LSB
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#endif
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#if SIZEOF_VOID_P != 8 && SIZEOF_VOID_P != 4
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#error "Unknown word size (SIZEOF_VOID_P)!"
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#endif
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typedef union {
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unsigned char e_ident[EI_NIDENT];
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Elf32_Ehdr e32;
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Elf64_Ehdr e64;
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} Elf_Ehdr;
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typedef union {
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Elf32_Shdr e32;
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Elf64_Shdr e64;
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} Elf_Shdr;
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typedef union {
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Elf32_Phdr e32;
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Elf64_Phdr e64;
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} Elf_Phdr;
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int is_e32(void);
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int swap_bytes(void);
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#define DO_SWAPU16(x) ( !swap_bytes() ? x : (uint16_t)bswap_16(x) )
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#define DO_SWAPU32(x) ( !swap_bytes() ? x : (uint32_t)bswap_32(x) )
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#define DO_SWAPU64(x) ( !swap_bytes() ? x : (uint64_t)bswap_64(x) )
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#define DO_SWAPS16(x) ( !swap_bytes() ? x : (int16_t)bswap_16(x) )
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#define DO_SWAPS32(x) ( !swap_bytes() ? x : (int32_t)bswap_32(x) )
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#define DO_SWAPS64(x) ( !swap_bytes() ? x : (int64_t)bswap_64(x) )
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#define EHDRWS(x) (is_e32() ? DO_SWAPS32(ehdr.e32.x) : DO_SWAPS64(ehdr.e64.x))
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#define EHDRHS(x) (is_e32() ? DO_SWAPS16(ehdr.e32.x) : DO_SWAPS16(ehdr.e64.x))
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#define EHDRWU(x) (is_e32() ? DO_SWAPU32(ehdr.e32.x) : DO_SWAPU64(ehdr.e64.x))
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#define EHDRHU(x) (is_e32() ? DO_SWAPU16(ehdr.e32.x) : DO_SWAPU16(ehdr.e64.x))
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#define PHDR(x) (is_e32() ? DO_SWAPU32(phdr.e32.x) : DO_SWAPU64(phdr.e64.x))
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#define SHDR_W(x) (is_e32() ? DO_SWAPU32(shdr.e32.x) : DO_SWAPU32(shdr.e64.x))
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#define SHDR_O(x) (is_e32() ? DO_SWAPU32(shdr.e32.x) : DO_SWAPU64(shdr.e64.x))
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#define DYNSU(i,x) (is_e32() ? DO_SWAPU32(((Elf32_Dyn *)dyns)[i].x) \
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: DO_SWAPU64(((Elf64_Dyn *)dyns)[i].x))
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#define DYNSS(i,x) (is_e32() ? DO_SWAPS32(((Elf32_Dyn *)dyns)[i].x) \
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: DO_SWAPS64(((Elf64_Dyn *)dyns)[i].x))
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int killrpath(const char *filename);
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int chrpath(const char *filename, const char *newpath, int convert);
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int elf_open(const char *filename, int flags, Elf_Ehdr *ehdr);
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void elf_close(int fd);
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int elf_find_dynamic_section(int fd, Elf_Ehdr *ehdr, Elf_Phdr *phdr);
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const char *elf_tagname(int tag);
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int elf_dynpath_tag(int tag);
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#endif /* PROTOS_H */
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