elf_machdep.h

/*  $NetBSD: elf_machdep.h,v 1.15 2011/03/15 07:39:22 matt Exp $    */
 
#ifndef _MIPS_ELF_MACHDEP_H_
#define  _MIPS_ELF_MACHDEP_H_
 
#ifdef _LP64
#define ARCH_ELFSIZE        64  /* MD native binary size */
#else
#define ARCH_ELFSIZE        32  /* MD native binary size */
#endif
 
#if ARCH_ELFSIZE == 32
#define ELF32_MACHDEP_ID_CASES                      \
        case EM_MIPS:                       \
            break;
 
#define ELF32_MACHDEP_ID    EM_MIPS
 
#elif ARCH_ELFSIZE == 64
#define ELF64_MACHDEP_ID_CASES                      \
        case EM_MIPS:                       \
            break;
 
#define ELF64_MACHDEP_ID    EM_MIPS
 
#endif
 
 
/* mips relocs.  */
 
#define R_MIPS_NONE     0
#define R_MIPS_16       1
#define R_MIPS_32       2
#define R_MIPS_REL32        3
#define R_MIPS_REL      R_MIPS_REL32
#define R_MIPS_26       4
#define R_MIPS_HI16     5   /* high 16 bits of symbol value */
#define R_MIPS_LO16     6   /* low 16 bits of symbol value */
#define R_MIPS_GPREL16      7   /* GP-relative reference  */
#define R_MIPS_LITERAL      8   /* Reference to literal section  */
#define R_MIPS_GOT16        9   /* Reference to global offset table */
#define R_MIPS_GOT      R_MIPS_GOT16
#define R_MIPS_PC16     10      /* 16 bit PC relative reference */
#define R_MIPS_CALL16       11      /* 16 bit call thru glbl offset tbl */
#define R_MIPS_CALL     R_MIPS_CALL16
#define R_MIPS_GPREL32      12
 
/* 13, 14, 15 are not defined at this point. */
#define R_MIPS_UNUSED1      13
#define R_MIPS_UNUSED2      14
#define R_MIPS_UNUSED3      15
 
/*
 * The remaining relocs are apparently part of 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_CALL_HI16    30
#define R_MIPS_CALL_LO16    31
#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_RELGOT       36
#define R_MIPS_JALR     37
/* TLS relocations */
 
#define R_MIPS_TLS_DTPMOD32 38  /* Module number 32 bit */
#define R_MIPS_TLS_DTPREL32 39  /* Module-relative offset 32 bit */
#define R_MIPS_TLS_DTPMOD64 40  /* Module number 64 bit */
#define R_MIPS_TLS_DTPREL64 41  /* Module-relative offset 64 bit */
#define R_MIPS_TLS_GD       42  /* 16 bit GOT offset for GD */
#define R_MIPS_TLS_LDM      43  /* 16 bit GOT offset for LDM */
#define R_MIPS_TLS_DTPREL_HI16  44  /* Module-relative offset, high 16 bits */
#define R_MIPS_TLS_DTPREL_LO16  45  /* Module-relative offset, low 16 bits */
#define R_MIPS_TLS_GOTTPREL 46  /* 16 bit GOT offset for IE */
#define R_MIPS_TLS_TPREL32  47  /* TP-relative offset, 32 bit */
#define R_MIPS_TLS_TPREL64  48  /* TP-relative offset, 64 bit */
#define R_MIPS_TLS_TPREL_HI16   49  /* TP-relative offset, high 16 bits */
#define R_MIPS_TLS_TPREL_LO16   50  /* TP-relative offset, low 16 bits */
 
#define R_MIPS_max      51
 
#define R_TYPE(name)        __CONCAT(R_MIPS_,name)
 
#define R_MIPS16_min        100
#define R_MIPS16_26     100
#define R_MIPS16_GPREL      101
#define R_MIPS16_GOT16      102
#define R_MIPS16_CALL16     103
#define R_MIPS16_HI16       104
#define R_MIPS16_LO16       105
#define R_MIPS16_max        106
 
 
/* mips dynamic tags */
 
#define DT_MIPS_RLD_VERSION 0x70000001
#define DT_MIPS_TIME_STAMP  0x70000002
#define DT_MIPS_ICHECKSUM   0x70000003
#define DT_MIPS_IVERSION    0x70000004
#define DT_MIPS_FLAGS       0x70000005
#define DT_MIPS_BASE_ADDRESS    0x70000006
#define DT_MIPS_CONFLICT    0x70000008
#define DT_MIPS_LIBLIST     0x70000009
#define DT_MIPS_CONFLICTNO  0x7000000b
#define DT_MIPS_LOCAL_GOTNO 0x7000000a  /* number of local got ents */
#define DT_MIPS_LIBLISTNO   0x70000010
#define DT_MIPS_SYMTABNO    0x70000011  /* number of .dynsym entries */
#define DT_MIPS_UNREFEXTNO  0x70000012
#define DT_MIPS_GOTSYM      0x70000013  /* first dynamic sym in got */
#define DT_MIPS_HIPAGENO    0x70000014
#define DT_MIPS_RLD_MAP     0x70000016  /* address of loader map */
 
/*
 * ELF Flags
 */
#define EF_MIPS_PIC     0x00000002  /* Contains PIC code */
#define EF_MIPS_CPIC        0x00000004  /* STD PIC calling sequence */
#define EF_MIPS_ABI2        0x00000020  /* N32 */
 
#define EF_MIPS_ARCH_ASE    0x0f000000  /* Architectural extensions */
#define EF_MIPS_ARCH_MDMX   0x08000000  /* MDMX multimedia extension */
#define EF_MIPS_ARCH_M16    0x04000000  /* MIPS-16 ISA extensions */
 
#define EF_MIPS_ARCH        0xf0000000  /* Architecture field */
#define EF_MIPS_ARCH_1      0x00000000  /* -mips1 code */
#define EF_MIPS_ARCH_2      0x10000000  /* -mips2 code */
#define EF_MIPS_ARCH_3      0x20000000  /* -mips3 code */
#define EF_MIPS_ARCH_4      0x30000000  /* -mips4 code */
#define EF_MIPS_ARCH_5      0x40000000  /* -mips5 code */
#define EF_MIPS_ARCH_32     0x50000000  /* -mips32 code */
#define EF_MIPS_ARCH_64     0x60000000  /* -mips64 code */
#define EF_MIPS_ARCH_32R2   0x70000000  /* -mips32r2 code */
#define EF_MIPS_ARCH_64R2   0x80000000  /* -mips64r2 code */
 
#define EF_MIPS_ABI     0x0000f000
#define EF_MIPS_ABI_O32     0x00001000
#define EF_MIPS_ABI_O64     0x00002000
#define EF_MIPS_ABI_EABI32  0x00003000
#define EF_MIPS_ABI_EABI64  0x00004000
 
#if defined(__MIPSEB__)
#define ELF32_MACHDEP_ENDIANNESS    ELFDATA2MSB
#define ELF64_MACHDEP_ENDIANNESS    ELFDATA2MSB
#elif defined(__MIPSEL__)
#define ELF32_MACHDEP_ENDIANNESS    ELFDATA2LSB
#define ELF64_MACHDEP_ENDIANNESS    ELFDATA2LSB
#elif !defined(HAVE_NBTOOL_CONFIG_H)
#error neither __MIPSEL__ nor __MIPSEB__ are defined.
#endif
 
#ifdef _KERNEL
#ifdef _KERNEL_OPT
#include "opt_compat_netbsd.h"
#endif
#ifdef COMPAT_16
/*
 * Up to 1.6, the ELF dynamic loader (ld.elf_so) was not relocatable.
 * Tell the kernel ELF exec code not to try relocating the interpreter
 * for dynamically-linked ELF binaries.
 */
#define ELF_INTERP_NON_RELOCATABLE
#endif /* COMPAT_16 */
 
/*
 * We need to be able to include the ELF header so we can pick out the
 * ABI being used.
 */
#ifdef ELFSIZE
#define ELF_MD_PROBE_FUNC   ELFNAME2(mips_netbsd,probe)
#define ELF_MD_COREDUMP_SETUP   ELFNAME2(coredump,setup)
#endif
 
struct exec_package;
 
int mips_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *,
    vaddr_t *);
void coredump_elf32_setup(struct lwp *, void *);
 
int mips_netbsd_elf64_probe(struct lwp *, struct exec_package *, void *, char *,
    vaddr_t *);
void coredump_elf64_setup(struct lwp *, void *);
#endif /* _KERNEL */
 
#endif /* _MIPS_ELF_MACHDEP_H_ */