FreeBSD/Linux Kernel Cross Reference
sys/mips/include/elf.h

     /*      $OpenBSD: elf_abi.h,v 1.1 1998/01/28 11:14:41 pefo Exp $ */
     
     /*-
      * Copyright (c) 1996 Per Fogelstrom
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed under OpenBSD by
     *      Per Fogelstrom.
     * 4. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      JNPR: elf.h,v 1.4 2006/12/02 09:53:40 katta
     * $FreeBSD: releng/8.0/sys/mips/include/elf.h 198283 2009-10-20 13:32:28Z kib $
     *
     */
    
    #ifndef _MACHINE_ELF_H_
    #define _MACHINE_ELF_H_
    
    /* Information taken from MIPS ABI supplemental */
    
    #ifndef __ELF_WORD_SIZE
    #define __ELF_WORD_SIZE 32      /* Used by <sys/elf_generic.h> */
    #endif
    #include <sys/elf32.h>  /* Definitions common to all 32 bit architectures. */
    #include <sys/elf64.h>  /* Definitions common to all 64 bit architectures. */
    #include <sys/elf_generic.h>
    
    #define ELF_ARCH        EM_MIPS
    #define ELF_MACHINE_OK(x) ((x) == EM_MIPS || (x) == EM_MIPS_RS4_BE)
    
    /* Architecture dependent Segment types - p_type */
    #define PT_MIPS_REGINFO         0x70000000 /* Register usage information */
    
    /* Architecture dependent d_tag field for Elf32_Dyn.  */
    #define DT_MIPS_RLD_VERSION     0x70000001 /* Runtime Linker Interface ID */
    #define DT_MIPS_TIME_STAMP      0x70000002 /* Timestamp */
    #define DT_MIPS_ICHECKSUM       0x70000003 /* Cksum of ext str and com sizes */
    #define DT_MIPS_IVERSION        0x70000004 /* Version string (string tbl index) */
    #define DT_MIPS_FLAGS           0x70000005 /* Flags */
    #define DT_MIPS_BASE_ADDRESS    0x70000006 /* Segment base address */
    #define DT_MIPS_CONFLICT        0x70000008 /* Adr 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_RLD_MAP         0x70000016 /* Address of debug map pointer */
    
    #define DT_PROCNUM (DT_MIPS_RLD_MAP - DT_LOPROC + 1)
    
    /*
     * Legal values for e_flags field of Elf32_Ehdr.
     */
    #define EF_MIPS_NOREORDER       1               /* .noreorder 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 */
    
    /*
     * Mips special sections.
     */
    #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 val used in compilation */
                   Elf32_Word gt_unused;   /* Not used */
           } gt_header;                    /* First entry in section */
           struct {
                   Elf32_Word gt_g_value;  /* If this val were used for -G */
                   Elf32_Word gt_bytes;    /* This many bytes would be used */
           } gt_entry;                     /* Subsequent entries in section */
   } Elf32_gptab;
   typedef union {
           struct {
                   Elf64_Word gt_current_g_value;  /* -G val used in compilation */
                   Elf64_Word gt_unused;   /* Not used */
           } gt_header;                    /* First entry in section */
           struct {
                   Elf64_Word gt_g_value;  /* If this val were used for -G */
                   Elf64_Word gt_bytes;    /* This many bytes would be used */
           } gt_entry;                     /* Subsequent entries in section */
   } Elf64_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;
   typedef struct {
           Elf64_Word      ri_gprmask;     /* General registers used */
           Elf64_Word      ri_cprmask[4];  /* Coprocessor registers used */
           Elf64_Sword     ri_gp_value;    /* $gp register value */
   } Elf64_RegInfo;
   
   
   /*
    * Mips relocations.
    */
   
   #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 */
   #define R_MIPS_GOTHI16  21      /* GOT HI 16 bit */
   #define R_MIPS_GOTLO16  22      /* GOT LO 16 bit */
   #define R_MIPS_CALLHI16 30      /* upper 16 bit GOT entry for function */
   #define R_MIPS_CALLLO16 31      /* lower 16 bit GOT entry for function */
   
   /*
    * These are from the 64-bit Irix ELF ABI
    */
   #define R_MIPS_SHIFT5   16
   #define R_MIPS_SHIFT6   17
   #define R_MIPS_64       18
   #define R_MIPS_GOT_DISP 19
   #define R_MIPS_GOT_PAGE 20
   #define R_MIPS_GOT_OFST 21
   #define R_MIPS_GOT_HI16 22
   #define R_MIPS_GOT_LO16 23
   #define R_MIPS_SUB      24
   #define R_MIPS_INSERT_A 25
   #define R_MIPS_INSERT_B 26
   #define R_MIPS_DELETE   27
   #define R_MIPS_HIGHER   28
   #define R_MIPS_HIGHEST  29
   #define R_MIPS_SCN_DISP 32
   #define R_MIPS_REL16    33
   #define R_MIPS_ADD_IMMEDIATE 34
   #define R_MIPS_PJUMP    35
   #define R_MIPS_ERLGOT   36
   
   #define R_MIPS_max      37
   #define R_TYPE(name)            __CONCAT(R_MIPS_,name)
   
   /* Define "machine" characteristics */
   #if __ELF_WORD_SIZE == 32
   #define ELF_TARG_CLASS  ELFCLASS32
   #else
   #define ELF_TARG_CLASS  ELFCLASS64
   #endif
   #ifdef __MIPSEB__
   #define ELF_TARG_DATA   ELFDATA2MSB
   #else
   #define ELF_TARG_DATA   ELFDATA2LSB
   #endif
   #define ELF_TARG_MACH   EM_MIPS
   #define ELF_TARG_VER    1
   
   /*
    * Auxiliary vector entries for passing information to the interpreter.
    *
    * The i386 supplement to the SVR4 ABI specification names this "auxv_t",
    * but POSIX lays claim to all symbols ending with "_t".
    */
   typedef struct {        /* Auxiliary vector entry on initial stack */
           int     a_type;                 /* Entry type. */
           union {
                   int     a_val;          /* Integer value. */
                   void    *a_ptr;         /* Address. */
                   void    (*a_fcn)(void); /* Function pointer (not used). */
           } a_un;
   } Elf32_Auxinfo;
   
   typedef struct {        /* Auxiliary vector entry on initial stack */
           long    a_type;                 /* Entry type. */
           union {
                   long    a_val;          /* Integer value. */
                   void    *a_ptr;         /* Address. */
                   void    (*a_fcn)(void); /* Function pointer (not used). */
           } a_un;
   } Elf64_Auxinfo;
   
   __ElfType(Auxinfo);
   
   /* Values for a_type. */
   #define AT_NULL         0       /* Terminates the vector. */
   #define AT_IGNORE       1       /* Ignored entry. */
   #define AT_EXECFD       2       /* File descriptor of program to load. */
   #define AT_PHDR         3       /* Program header of program already loaded. */
   #define AT_PHENT        4       /* Size of each program header entry. */
   #define AT_PHNUM        5       /* Number of program header entries. */
   #define AT_PAGESZ       6       /* Page size in bytes. */
   #define AT_BASE         7       /* Interpreter's base address. */
   #define AT_FLAGS        8       /* Flags (unused for i386). */
   #define AT_ENTRY        9       /* Where interpreter should transfer control. */
   #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. */
   #define AT_EXECPATH     15      /* Path to the executable. */
   
   #define AT_COUNT        16      /* Count of defined aux entry types. */
   
   #define ET_DYN_LOAD_ADDR 0x0120000
   
   #endif /* !_MACHINE_ELF_H_ */

Cache object: 8fe3b63617d07969a4fde4835fa7e7f8