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01f3e03bcd
* sysdeps/unix/sysv/linux/sys/mman.h: Define MAP_ANON and MAP_FILE if not already defined. * elf/elf.h: Add m68k reloc definitions. * sysdeps/m68k/dl-machine.h, sysdeps/m68k/elf/start.S: New files. Sat Feb 10 13:09:03 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mman.h: Define MAP_ANON and MAP_FILE if not already defined. * elf/elf.h: Add m68k reloc definitions. * sysdeps/m68k/dl-machine.h, sysdeps/m68k/elf/start.S: New files.
636 lines
24 KiB
C
636 lines
24 KiB
C
/* This file defines standard ELF types, structures, and macros.
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Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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Contributed by Ian Lance Taylor (ian@cygnus.com).
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#ifndef _ELF_H
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#define _ELF_H 1
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/* Standard ELF types.
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Using __attribute__ mode ensures that gcc will choose the right for
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these types. */
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typedef unsigned int Elf32_Addr __attribute__ ((mode (SI)));
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typedef unsigned int Elf32_Half __attribute__ ((mode (HI)));
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typedef unsigned int Elf32_Off __attribute__ ((mode (SI)));
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typedef int Elf32_Sword __attribute__ ((mode (SI)));
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typedef unsigned int Elf32_Word __attribute__ ((mode (SI)));
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/* The ELF file header. This appears at the start of every ELF file. */
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#define EI_NIDENT (16)
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typedef struct
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{
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unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
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Elf32_Half e_type; /* Object file type */
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Elf32_Half e_machine; /* Architecture */
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Elf32_Word e_version; /* Object file version */
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Elf32_Addr e_entry; /* Entry point virtual address */
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Elf32_Off e_phoff; /* Program header table file offset */
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Elf32_Off e_shoff; /* Section header table file offset */
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Elf32_Word e_flags; /* Processor-specific flags */
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Elf32_Half e_ehsize; /* ELF header size in bytes */
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Elf32_Half e_phentsize; /* Program header table entry size */
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Elf32_Half e_phnum; /* Program header table entry count */
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Elf32_Half e_shentsize; /* Section header table entry size */
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Elf32_Half e_shnum; /* Section header table entry count */
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Elf32_Half e_shstrndx; /* Section header string table index */
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} Elf32_Ehdr;
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/* Fields in the e_ident array. The EI_* macros are indices into the
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array. The macros under each EI_* macro are the values the byte
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may have. */
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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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/* Conglomeration of the identification bytes, for easy testing as a word. */
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#define ELFMAG "\177ELF"
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#define SELFMAG 4
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#define EI_CLASS 4 /* File class byte index */
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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 byte index */
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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 byte index */
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/* Value must be EV_CURRENT */
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#define EI_PAD 7 /* Byte index of padding bytes */
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/* Legal values for e_type (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_NUM 5 /* Number of defined types. */
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#define ET_LOPROC 0xff00 /* Processor-specific */
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#define ET_HIPROC 0xffff /* Processor-specific */
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/* Legal values for e_machine (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_486 6 /* Intel 80486 */
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#define EM_860 7 /* Intel 80860 */
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#define EM_MIPS 8 /* MIPS R3000 big-endian */
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#define EM_S370 9 /* Amdahl */
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#define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */
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#define EM_SPARC64 11 /* SPARC v9 (not official) 64-bit */
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#define EM_PARISC 15 /* HPPA */
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/* If it is necessary to assign new unofficial EM_* values, please
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pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
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chances of collision with official or non-GNU unofficial values. */
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/* Legal values for e_version (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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/* Section header. */
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typedef struct
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{
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Elf32_Word sh_name; /* Section name (string tbl index) */
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Elf32_Word sh_type; /* Section type */
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Elf32_Word sh_flags; /* Section flags */
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Elf32_Addr sh_addr; /* Section virtual addr at execution */
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Elf32_Off sh_offset; /* Section file offset */
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Elf32_Word sh_size; /* Section size in bytes */
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Elf32_Word sh_link; /* Link to another section */
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Elf32_Word sh_info; /* Additional section information */
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Elf32_Word sh_addralign; /* Section alignment */
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Elf32_Word sh_entsize; /* Entry size if section holds table */
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} Elf32_Shdr;
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/* Special section indices. */
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#define SHN_UNDEF 0 /* Undefined section */
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#define SHN_LORESERVE 0xff00 /* Start of reserved indices */
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#define SHN_LOPROC 0xff00 /* Start of processor-specific */
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#define SHN_HIPROC 0xff1f /* End of processor-specific */
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#define SHN_ABS 0xfff1 /* Associated symbol is absolute */
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#define SHN_COMMON 0xfff2 /* Associated symbol is common */
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#define SHN_HIRESERVE 0xffff /* End of reserved indices */
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/* Legal values for sh_type (section type). */
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#define SHT_NULL 0 /* Section header table entry unused */
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#define SHT_PROGBITS 1 /* Program data */
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#define SHT_SYMTAB 2 /* Symbol table */
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#define SHT_STRTAB 3 /* String table */
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#define SHT_RELA 4 /* Relocation entries with addends */
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#define SHT_HASH 5 /* Symbol hash table */
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#define SHT_DYNAMIC 6 /* Dynamic linking information */
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#define SHT_NOTE 7 /* Notes */
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#define SHT_NOBITS 8 /* Program space with no data (bss) */
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#define SHT_REL 9 /* Relocation entries, no addends */
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#define SHT_SHLIB 10 /* Reserved */
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#define SHT_DYNSYM 11 /* Dynamic linker symbol table */
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#define SHT_NUM 12 /* Number of defined types. */
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#define SHT_LOPROC 0x70000000 /* Start of processor-specific */
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#define SHT_HIPROC 0x7fffffff /* End of processor-specific */
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#define SHT_LOUSER 0x80000000 /* Start of application-specific */
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#define SHT_HIUSER 0x8fffffff /* End of application-specific */
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/* Legal values for sh_flags (section flags). */
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#define SHF_WRITE (1 << 0) /* Writable */
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#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
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#define SHF_EXECINSTR (1 << 2) /* Executable */
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#define SHF_MASKPROC 0xf0000000 /* Processor-specific */
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/* Symbol table entry. */
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typedef struct
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{
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Elf32_Word st_name; /* Symbol name (string tbl index) */
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Elf32_Addr st_value; /* Symbol value */
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Elf32_Word st_size; /* Symbol size */
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unsigned char st_info; /* Symbol type and binding */
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unsigned char st_other; /* No defined meaning, 0 */
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Elf32_Half st_shndx; /* Section index */
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} Elf32_Sym;
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/* Special section index. */
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#define SHN_UNDEF 0 /* No section, undefined symbol. */
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/* How to extract and insert information held in the st_info field. */
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#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4)
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#define ELF32_ST_TYPE(val) ((val) & 0xf)
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#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
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/* Legal values for ST_BIND subfield of st_info (symbol binding). */
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#define STB_LOCAL 0 /* Local symbol */
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#define STB_GLOBAL 1 /* Global symbol */
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#define STB_WEAK 2 /* Weak symbol */
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#define STB_NUM 3 /* Number of defined types. */
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#define STB_LOPROC 13 /* Start of processor-specific */
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#define STB_HIPROC 15 /* End of processor-specific */
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/* Legal values for ST_TYPE subfield of st_info (symbol type). */
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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's name is file name */
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#define STT_NUM 5 /* Number of defined types. */
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#define STT_LOPROC 13 /* Start of processor-specific */
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#define STT_HIPROC 15 /* End of processor-specific */
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/* Symbol table indices are found in the hash buckets and chain table
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of a symbol hash table section. This special index value indicates
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the end of a chain, meaning no further symbols are found in that bucket. */
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#define STN_UNDEF 0 /* End of a chain. */
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/* Relocation table entry without addend (in section of type SHT_REL). */
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typedef struct
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{
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Elf32_Addr r_offset; /* Address */
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Elf32_Word r_info; /* Relocation type and symbol index */
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} Elf32_Rel;
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/* Relocation table entry with addend (in section of type SHT_RELA). */
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typedef struct
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{
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Elf32_Addr r_offset; /* Address */
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Elf32_Word r_info; /* Relocation type and symbol index */
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Elf32_Sword r_addend; /* Addend */
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} Elf32_Rela;
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/* How to extract and insert information held in the r_info field. */
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#define ELF32_R_SYM(val) ((val) >> 8)
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#define ELF32_R_TYPE(val) ((val) & 0xff)
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#define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff))
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/* Program segment header. */
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typedef struct {
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Elf32_Word p_type; /* Segment type */
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Elf32_Off p_offset; /* Segment file offset */
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Elf32_Addr p_vaddr; /* Segment virtual address */
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Elf32_Addr p_paddr; /* Segment physical address */
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Elf32_Word p_filesz; /* Segment size in file */
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Elf32_Word p_memsz; /* Segment size in memory */
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Elf32_Word p_flags; /* Segment flags */
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Elf32_Word p_align; /* Segment alignment */
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} Elf32_Phdr;
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/* Legal values for p_type (segment type). */
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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 */
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#define PT_PHDR 6 /* Entry for header table itself */
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#define PT_NUM 7 /* Number of defined types. */
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#define PT_LOPROC 0x70000000 /* Start of processor-specific */
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#define PT_HIPROC 0x7fffffff /* End of processor-specific */
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/* Legal values for p_flags (segment flags). */
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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 */
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/* Dynamic section entry. */
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typedef struct
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{
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Elf32_Sword d_tag; /* Dynamic entry type */
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union
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{
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Elf32_Word d_val; /* Integer value */
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Elf32_Addr d_ptr; /* Address value */
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} d_un;
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} Elf32_Dyn;
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/* Legal values for d_tag (dynamic entry type). */
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#define DT_NULL 0 /* Marks end of dynamic section */
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#define DT_NEEDED 1 /* Name of needed library */
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#define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */
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#define DT_PLTGOT 3 /* Processor defined value */
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#define DT_HASH 4 /* Address of symbol hash table */
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#define DT_STRTAB 5 /* Address of string table */
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#define DT_SYMTAB 6 /* Address of symbol table */
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#define DT_RELA 7 /* Address of Rela relocs */
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#define DT_RELASZ 8 /* Total size of Rela relocs */
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#define DT_RELAENT 9 /* Size of one Rela reloc */
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#define DT_STRSZ 10 /* Size of string table */
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#define DT_SYMENT 11 /* Size of one symbol table entry */
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#define DT_INIT 12 /* Address of init function */
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#define DT_FINI 13 /* Address of termination function */
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#define DT_SONAME 14 /* Name of shared object */
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#define DT_RPATH 15 /* Library search path */
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#define DT_SYMBOLIC 16 /* Start symbol search here */
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#define DT_REL 17 /* Address of Rel relocs */
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#define DT_RELSZ 18 /* Total size of Rel relocs */
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#define DT_RELENT 19 /* Size of one Rel reloc */
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#define DT_PLTREL 20 /* Type of reloc in PLT */
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#define DT_DEBUG 21 /* For debugging; unspecified */
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#define DT_TEXTREL 22 /* Reloc might modify .text */
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#define DT_JMPREL 23 /* Address of PLT relocs */
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#define DT_NUM 24 /* Number used */
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#define DT_LOPROC 0x70000000 /* Start of processor-specific */
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#define DT_HIPROC 0x7fffffff /* End of processor-specific */
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#define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */
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/* Standard 64 bit ELF types. */
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typedef unsigned int Elf64_Addr __attribute__ ((mode (DI)));
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typedef unsigned int Elf64_Half __attribute__ ((mode (HI)));
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typedef unsigned int Elf64_Off __attribute__ ((mode (DI)));
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typedef int Elf64_Sword __attribute__ ((mode (SI)));
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typedef int Elf64_Sxword __attribute__ ((mode (DI)));
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typedef unsigned int Elf64_Word __attribute__ ((mode (SI)));
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typedef unsigned int Elf64_Xword __attribute__ ((mode (DI)));
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typedef unsigned int Elf64_Byte __attribute__ ((mode (QI)));
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typedef unsigned int Elf64_Section __attribute__ ((mode (HI)));
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/* 64 bit ELF file header. */
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typedef struct
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{
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unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
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Elf64_Half e_type; /* Object file type */
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Elf64_Half e_machine; /* Architecture */
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Elf64_Word e_version; /* Object file version */
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Elf64_Addr e_entry; /* Entry point virtual address */
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Elf64_Off e_phoff; /* Program header table file offset */
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Elf64_Off e_shoff; /* Section header table file offset */
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Elf64_Word e_flags; /* Processor-specific flags */
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Elf64_Half e_ehsize; /* ELF header size in bytes */
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Elf64_Half e_phentsize; /* Program header table entry size */
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Elf64_Half e_phnum; /* Program header table entry count */
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Elf64_Half e_shentsize; /* Section header table entry size */
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Elf64_Half e_shnum; /* Section header table entry count */
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Elf64_Half e_shstrndx; /* Section header string table index */
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} Elf64_Ehdr;
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/* 64 bit section header. */
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typedef struct
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{
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Elf64_Word sh_name; /* Section name (string tbl index) */
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Elf64_Word sh_type; /* Section type */
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Elf64_Xword sh_flags; /* Section flags */
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Elf64_Addr sh_addr; /* Section virtual addr at execution */
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Elf64_Off sh_offset; /* Section file offset */
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Elf64_Xword sh_size; /* Section size in bytes */
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Elf64_Word sh_link; /* Link to another section */
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Elf64_Word sh_info; /* Additional section information */
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Elf64_Xword sh_addralign; /* Section alignment */
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Elf64_Xword sh_entsize; /* Entry size if section holds table */
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} Elf64_Shdr;
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/* 64 bit symbol table entry. */
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typedef struct
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{
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Elf64_Word st_name; /* Symbol name (string tbl index) */
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Elf64_Byte st_info; /* Symbol type and binding */
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Elf64_Byte st_other; /* No defined meaning, 0 */
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Elf64_Section st_shndx; /* Section index */
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Elf64_Addr st_value; /* Symbol value */
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Elf64_Xword st_size; /* Symbol size */
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} Elf64_Sym;
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/* The 64 bit st_info field is the same as the 32 bit one. */
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#define ELF64_ST_BIND(val) (((unsigned char) (val)) >> 4)
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#define ELF64_ST_TYPE(val) ((val) & 0xf)
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#define ELF64_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
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/* I have seen two different definitions of the Elf64_Rel and
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Elf64_Rela structures, so we'll leave them out until Novell (or
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whoever) gets their act together. */
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/* Auxiliary vector. */
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/* This vector is normally only used by the program interpreter. The
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usual definition in an ABI supplement uses the name auxv_t. The
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vector is not usually defined in a standard <elf.h> file, but it
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can't hurt. We rename it to avoid conflicts. The sizes of these
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types are an arrangement between the exec server and the program
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interpreter, so we don't fully specify them here. */
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typedef struct
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{
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int a_type; /* Entry type */
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union
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{
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long a_val; /* Integer value */
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void *a_ptr; /* Pointer value */
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void (*a_fcn) (); /* Function pointer value */
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} a_un;
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} Elf32_auxv_t;
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/* Legal values for a_type (entry type). */
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#define AT_NULL 0 /* End of vector */
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#define AT_IGNORE 1 /* Entry should be ignored */
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#define AT_EXECFD 2 /* File descriptor of program */
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#define AT_PHDR 3 /* Program headers for program */
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#define AT_PHENT 4 /* Size of program header entry */
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#define AT_PHNUM 5 /* Number of program headers */
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#define AT_PAGESZ 6 /* System page size */
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#define AT_BASE 7 /* Base address of interpreter */
|
|
#define AT_FLAGS 8 /* Flags */
|
|
#define AT_ENTRY 9 /* Entry point of program */
|
|
#define AT_NOTELF 10 /* Program is not ELF */
|
|
#define AT_UID 11 /* Real uid */
|
|
#define AT_EUID 12 /* Effective uid */
|
|
#define AT_GID 13 /* Real gid */
|
|
#define AT_EGID 14 /* Effective gid */
|
|
|
|
/* Motorola 68k specific definitions. */
|
|
|
|
/* m68k relocs. */
|
|
|
|
#define R_68K_NONE 0 /* No reloc */
|
|
#define R_68K_32 1 /* Direct 32 bit */
|
|
#define R_68K_16 2 /* Direct 16 bit */
|
|
#define R_68K_8 3 /* Direct 8 bit */
|
|
#define R_68K_PC32 4 /* PC relative 32 bit */
|
|
#define R_68K_PC16 5 /* PC relative 16 bit */
|
|
#define R_68K_PC8 6 /* PC relative 8 bit */
|
|
#define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */
|
|
#define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */
|
|
#define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */
|
|
#define R_68K_GOT32O 10 /* 32 bit GOT offset */
|
|
#define R_68K_GOT16O 11 /* 16 bit GOT offset */
|
|
#define R_68K_GOT8O 12 /* 8 bit GOT offset */
|
|
#define R_68K_PLT32 13 /* 32 bit PC relative PLT address */
|
|
#define R_68K_PLT16 14 /* 16 bit PC relative PLT address */
|
|
#define R_68K_PLT8 15 /* 8 bit PC relative PLT address */
|
|
#define R_68K_PLT32O 16 /* 32 bit PLT offset */
|
|
#define R_68K_PLT16O 17 /* 16 bit PLT offset */
|
|
#define R_68K_PLT8O 18 /* 8 bit PLT offset */
|
|
#define R_68K_COPY 19 /* Copy symbol at runtime */
|
|
#define R_68K_GLOB_DAT 20 /* Create GOT entry */
|
|
#define R_68K_JMP_SLOT 21 /* Create PLT entry */
|
|
#define R_68K_RELATIVE 22 /* Adjust by program base */
|
|
|
|
/* Intel 80386 specific definitions. */
|
|
|
|
/* i386 relocs. */
|
|
|
|
#define R_386_NONE 0 /* No reloc */
|
|
#define R_386_32 1 /* Direct 32 bit */
|
|
#define R_386_PC32 2 /* PC relative 32 bit */
|
|
#define R_386_GOT32 3 /* 32 bit GOT entry */
|
|
#define R_386_PLT32 4 /* 32 bit PLT address */
|
|
#define R_386_COPY 5 /* Copy symbol at runtime */
|
|
#define R_386_GLOB_DAT 6 /* Create GOT entry */
|
|
#define R_386_JMP_SLOT 7 /* Create PLT entry */
|
|
#define R_386_RELATIVE 8 /* Adjust by program base */
|
|
#define R_386_GOTOFF 9 /* 32 bit offset to GOT */
|
|
#define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */
|
|
|
|
/* SUN SPARC specific definitions. */
|
|
|
|
/* SPARC relocs. */
|
|
|
|
#define R_SPARC_NONE 0 /* No reloc */
|
|
#define R_SPARC_8 1 /* Direct 8 bit */
|
|
#define R_SPARC_16 2 /* Direct 16 bit */
|
|
#define R_SPARC_32 3 /* Direct 32 bit */
|
|
#define R_SPARC_DISP8 4 /* PC relative 8 bit */
|
|
#define R_SPARC_DISP16 5 /* PC relative 16 bit */
|
|
#define R_SPARC_DISP32 6 /* PC relative 32 bit */
|
|
#define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */
|
|
#define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */
|
|
#define R_SPARC_HI22 9 /* High 22 bit */
|
|
#define R_SPARC_22 10 /* Direct 22 bit */
|
|
#define R_SPARC_13 11 /* Direct 13 bit */
|
|
#define R_SPARC_LO10 12 /* Truncated 10 bit */
|
|
#define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */
|
|
#define R_SPARC_GOT13 14 /* 13 bit GOT entry */
|
|
#define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */
|
|
#define R_SPARC_PC10 16 /* PC relative 10 bit truncated */
|
|
#define R_SPARC_PC22 17 /* PC relative 22 bit shifted */
|
|
#define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */
|
|
#define R_SPARC_COPY 19 /* Copy symbol at runtime */
|
|
#define R_SPARC_GLOB_DAT 20 /* Create GOT entry */
|
|
#define R_SPARC_JMP_SLOT 21 /* Create PLT entry */
|
|
#define R_SPARC_RELATIVE 22 /* Adjust by program base */
|
|
#define R_SPARC_UA32 23 /* Direct 32 bit unaligned */
|
|
|
|
/* MIPS R3000 specific definitions. */
|
|
|
|
/* Legal values for e_flags field of Elf32_Ehdr. */
|
|
|
|
#define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */
|
|
#define EF_MIPS_PIC 2 /* Contains PIC code */
|
|
#define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */
|
|
#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */
|
|
|
|
/* Special section indices. */
|
|
|
|
#define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */
|
|
#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */
|
|
#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */
|
|
|
|
/* Legal values for sh_type field of Elf32_Shdr. */
|
|
|
|
#define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */
|
|
#define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */
|
|
#define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */
|
|
#define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */
|
|
#define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information */
|
|
#define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */
|
|
|
|
/* Legal values for sh_flags field of Elf32_Shdr. */
|
|
|
|
#define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */
|
|
|
|
/* Entries found in sections of type SHT_MIPS_GPTAB. */
|
|
|
|
typedef union
|
|
{
|
|
struct
|
|
{
|
|
Elf32_Word gt_current_g_value; /* -G value used for compilation */
|
|
Elf32_Word gt_unused; /* Not used */
|
|
} gt_header; /* First entry in section */
|
|
struct
|
|
{
|
|
Elf32_Word gt_g_value; /* If this value were used for -G */
|
|
Elf32_Word gt_bytes; /* This many bytes would be used */
|
|
} gt_entry; /* Subsequent entries in section */
|
|
} Elf32_gptab;
|
|
|
|
/* Entry found in sections of type SHT_MIPS_REGINFO. */
|
|
|
|
typedef struct
|
|
{
|
|
Elf32_Word ri_gprmask; /* General registers used */
|
|
Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */
|
|
Elf32_Sword ri_gp_value; /* $gp register value */
|
|
} Elf32_RegInfo;
|
|
|
|
/* MIPS relocs. */
|
|
|
|
#define R_MIPS_NONE 0 /* No reloc */
|
|
#define R_MIPS_16 1 /* Direct 16 bit */
|
|
#define R_MIPS_32 2 /* Direct 32 bit */
|
|
#define R_MIPS_REL32 3 /* PC relative 32 bit */
|
|
#define R_MIPS_26 4 /* Direct 26 bit shifted */
|
|
#define R_MIPS_HI16 5 /* High 16 bit */
|
|
#define R_MIPS_LO16 6 /* Low 16 bit */
|
|
#define R_MIPS_GPREL16 7 /* GP relative 16 bit */
|
|
#define R_MIPS_LITERAL 8 /* 16 bit literal entry */
|
|
#define R_MIPS_GOT16 9 /* 16 bit GOT entry */
|
|
#define R_MIPS_PC16 10 /* PC relative 16 bit */
|
|
#define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */
|
|
#define R_MIPS_GPREL32 12 /* GP relative 32 bit */
|
|
|
|
/* Legal values for p_type field of Elf32_Phdr. */
|
|
|
|
#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */
|
|
|
|
/* Legal values for d_tag field of Elf32_Dyn. */
|
|
|
|
#define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */
|
|
#define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */
|
|
#define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */
|
|
#define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */
|
|
#define DT_MIPS_FLAGS 0x70000005 /* Flags */
|
|
#define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */
|
|
#define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */
|
|
#define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */
|
|
#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */
|
|
#define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */
|
|
#define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */
|
|
#define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */
|
|
#define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */
|
|
#define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */
|
|
#define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */
|
|
#define DT_MIPS_NUM 0x15
|
|
|
|
/* Legal values for DT_MIPS_FLAG Elf32_Dyn entry. */
|
|
|
|
#define RHF_NONE 0 /* No flags */
|
|
#define RHF_QUICKSTART (1 << 0) /* Use quickstart */
|
|
#define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */
|
|
#define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */
|
|
|
|
/* Entries found in sections of type SHT_MIPS_LIBLIST. */
|
|
|
|
typedef struct
|
|
{
|
|
Elf32_Word l_name; /* Name (string table index) */
|
|
Elf32_Word l_time_stamp; /* Timestamp */
|
|
Elf32_Word l_checksum; /* Checksum */
|
|
Elf32_Word l_version; /* Interface version */
|
|
Elf32_Word l_flags; /* Flags */
|
|
} Elf32_Lib;
|
|
|
|
/* Legal values for l_flags. */
|
|
|
|
#define LL_EXACT_MATCH (1 << 0) /* Require exact match */
|
|
#define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */
|
|
|
|
/* Entries found in sections of type SHT_MIPS_CONFLICT. */
|
|
|
|
typedef Elf32_Addr Elf32_Conflict;
|
|
|
|
|
|
#endif /* elf.h */
|