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* common.h (SHT_BEPROGBITS): Add section type for i860 operating in big endian mode, where code is in a separate section. The SHT_PROGBITS section is used for data. From pfieland@stratus.com.gdb-4_18-branch
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Sat Aug 1 13:46:53 1992 Fred Fish (fnf@cygnus.com) |
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* dwarf.h: Replace with current version from gcc distribution. |
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* common.h (SHT_BEPROGBITS): Add section type for i860 operating |
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in big endian mode, where code is in a separate section. The |
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SHT_PROGBITS section is used for data. From pfieland@stratus.com. |
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Fri Jun 19 19:05:09 1992 John Gilmore (gnu at cygnus.com) |
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* internal.h: Add real struct tags to all the Type_Defs, so they |
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can be used in prototypes where the Type_Defs are not known. |
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Fri Apr 3 20:58:58 1992 Mark Eichin (eichin at cygnus.com) |
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* common.h: added ELF_R_{SYM,TYPE,INFO} for handling relocation |
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info |
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added EM_MIPS, and corrected value of EM_860 based on System V ABI |
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manual. |
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* external.h: added Elf_External_{Rel,Rela}. |
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* internal.h: added Elf_Internal_{Rel,Rela}. |
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added rawdata to Elf_Internal_Shdr. |
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Sat Nov 30 20:43:59 1991 Steve Chamberlain (sac at rtl.cygnus.com) |
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* common.h, dwarf.h, external.h, internal.h, ChangeLog; moved from |
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../elf-<foo> |
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/* ELF support for BFD.
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Copyright (C) 1991, 1992 Free Software Foundation, Inc. |
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Written by Fred Fish @ Cygnus Support, from information published |
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in "UNIX System V Release 4, Programmers Guide: ANSI C and |
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Programming Support Tools". |
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This file is part of BFD, the Binary File Descriptor library. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
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/* This file is part of ELF support for BFD, and contains the portions
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that are common to both the internal and external representations. |
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For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory) |
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and external (in-file) representations. */ |
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/* Fields in e_ident[] */ |
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#define EI_MAG0 0 /* File identification byte 0 index */ |
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#define ELFMAG0 0x7F /* Magic number byte 0 */ |
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#define EI_MAG1 1 /* File identification byte 1 index */ |
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#define ELFMAG1 'E' /* Magic number byte 1 */ |
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#define EI_MAG2 2 /* File identification byte 2 index */ |
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#define ELFMAG2 'L' /* Magic number byte 2 */ |
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#define EI_MAG3 3 /* File identification byte 3 index */ |
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#define ELFMAG3 'F' /* Magic number byte 3 */ |
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#define EI_CLASS 4 /* File class */ |
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#define ELFCLASSNONE 0 /* Invalid class */ |
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#define ELFCLASS32 1 /* 32-bit objects */ |
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#define ELFCLASS64 2 /* 64-bit objects */ |
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#define EI_DATA 5 /* Data encoding */ |
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#define ELFDATANONE 0 /* Invalid data encoding */ |
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#define ELFDATA2LSB 1 /* 2's complement, little endian */ |
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#define ELFDATA2MSB 2 /* 2's complement, big endian */ |
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#define EI_VERSION 6 /* File version */ |
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#define EI_PAD 7 /* Start of padding bytes */ |
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/* Values for e_type, which identifies the object file type */ |
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#define ET_NONE 0 /* No file type */ |
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#define ET_REL 1 /* Relocatable file */ |
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#define ET_EXEC 2 /* Executable file */ |
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#define ET_DYN 3 /* Shared object file */ |
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#define ET_CORE 4 /* Core file */ |
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#define ET_LOPROC 0xFF00 /* Processor-specific */ |
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#define ET_HIPROC 0xFFFF /* Processor-specific */ |
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/* Values for e_machine, which identifies the architecture */ |
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#define EM_NONE 0 /* No machine */ |
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#define EM_M32 1 /* AT&T WE 32100 */ |
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#define EM_SPARC 2 /* SUN SPARC */ |
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#define EM_386 3 /* Intel 80386 */ |
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#define EM_68K 4 /* Motorola m68k family */ |
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#define EM_88K 5 /* Motorola m88k family */ |
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#define EM_860 7 /* Intel 80860 */ |
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#define EM_MIPS 8 /* MIPS R3000 */ |
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/* Values for e_version */ |
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#define EV_NONE 0 /* Invalid ELF version */ |
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#define EV_CURRENT 1 /* Current version */ |
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/* Values for program header, p_type field */ |
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#define PT_NULL 0 /* Program header table entry unused */ |
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#define PT_LOAD 1 /* Loadable program segment */ |
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#define PT_DYNAMIC 2 /* Dynamic linking information */ |
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#define PT_INTERP 3 /* Program interpreter */ |
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#define PT_NOTE 4 /* Auxiliary information */ |
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#define PT_SHLIB 5 /* Reserved, unspecified semantics */ |
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#define PT_PHDR 6 /* Entry for header table itself */ |
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#define PT_LOPROC 0x70000000 /* Processor-specific */ |
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#define PT_HIPROC 0x7FFFFFFF /* Processor-specific */ |
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/* Program segment permissions, in program header p_flags field */ |
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#define PF_X (1 << 0) /* Segment is executable */ |
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#define PF_W (1 << 1) /* Segment is writable */ |
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#define PF_R (1 << 2) /* Segment is readable */ |
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#define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */ |
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/* Values for section header, sh_type field */ |
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#define SHT_NULL 0 /* Section header table entry unused */ |
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#define SHT_PROGBITS 1 /* Program specific (private) data */ |
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#define SHT_SYMTAB 2 /* Link editing symbol table */ |
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#define SHT_STRTAB 3 /* A string table */ |
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#define SHT_RELA 4 /* Relocation entries with addends */ |
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#define SHT_HASH 5 /* A symbol hash table */ |
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#define SHT_DYNAMIC 6 /* Information for dynamic linking */ |
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#define SHT_NOTE 7 /* Information that marks file */ |
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#define SHT_NOBITS 8 /* Section occupies no space in file */ |
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#define SHT_REL 9 /* Relocation entries, no addends */ |
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#define SHT_SHLIB 10 /* Reserved, unspecified semantics */ |
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#define SHT_DYNSYM 11 /* Dynamic linking symbol table */ |
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#define SHT_BEPROGBITS 12 /* Possibly nonstandard section type |
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for i860 processors operating in big |
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endian mode. This section is used |
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for code while SHT_PROGBITS is used |
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for data. */ |
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#define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */ |
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#define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */ |
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#define SHT_LOUSER 0x80000000 /* Application-specific semantics */ |
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#define SHT_HIUSER 0x8FFFFFFF /* Application-specific semantics */ |
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/* Values for section header, sh_flags field */ |
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#define SHF_WRITE (1 << 0) /* Writable data during execution */ |
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#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ |
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#define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */ |
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#define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */ |
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/* Values of note segment descriptor types for core files. */ |
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#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ |
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#define NT_FPREGSET 2 /* Contains copy of fpregset struct */ |
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#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ |
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/* These three macros disassemble and assemble a symbol table st_info field,
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which contains the symbol binding and symbol type. The STB_ and STT_ |
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defines identify the binding and type. */ |
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#define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4) |
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#define ELF_ST_TYPE(val) ((val) & 0xF) |
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#define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF)) |
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#define STB_LOCAL 0 /* Symbol not visible outside obj */ |
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#define STB_GLOBAL 1 /* Symbol visible outside obj */ |
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#define STB_WEAK 2 /* Like globals, lower precedence */ |
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#define STB_LOPROC 13 /* Application-specific semantics */ |
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#define STB_HIPROC 15 /* Application-specific semantics */ |
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#define STT_NOTYPE 0 /* Symbol type is unspecified */ |
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#define STT_OBJECT 1 /* Symbol is a data object */ |
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#define STT_FUNC 2 /* Symbol is a code object */ |
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#define STT_SECTION 3 /* Symbol associated with a section */ |
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#define STT_FILE 4 /* Symbol gives a file name */ |
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#define STT_LOPROC 13 /* Application-specific semantics */ |
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#define STT_HIPROC 15 /* Application-specific semantics */ |
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/* Special section indices, which may show up in st_shndx fields, among
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other places. */ |
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#define SHN_UNDEF 0 /* Undefined section reference */ |
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#define SHN_LORESERV 0xFF00 /* Begin range of reserved indices */ |
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#define SHN_LOPROC 0xFF00 /* Begin range of appl-specific */ |
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#define SHN_HIPROC 0xFF1F /* End range of appl-specific */ |
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#define SHN_ABS 0xFFF1 /* Associated symbol is absolute */ |
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#define SHN_COMMON 0xFFF2 /* Associated symbol is in common */ |
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#define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */ |
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/* relocation info handling macros */ |
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#define ELF_R_SYM(i) ((i)>>8) |
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#define ELF_R_TYPE(i) ((unsigned char)(i)) |
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#define ELF_R_INFO(s,t) (((s)<<8)+(unsigned char)(t)) |
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