text: /* MIPS ELF support for BFD.
     Copyright (C) 1993-2019 Free Software Foundation, Inc.
  
     By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from
     information in the System V Application Binary Interface, MIPS
     Processor Supplement.
  
     This file is part of BFD, the Binary File Descriptor library.
  
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     MA 02110-1301, USA.  */
  
  /* This file holds definitions specific to the MIPS ELF ABI.  Note
     that most of this is not actually implemented by BFD.  */
  
  #ifndef _ELF_MIPS_H
  #define _ELF_MIPS_H
  
  #include "elf/reloc-macros.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* Relocation types.  */
  START_RELOC_NUMBERS (elf_mips_reloc_type)
    RELOC_NUMBER (R_MIPS_NONE, 0)
    RELOC_NUMBER (R_MIPS_16, 1)
    RELOC_NUMBER (R_MIPS_32, 2)		/* In Elf 64: alias R_MIPS_ADD */
    RELOC_NUMBER (R_MIPS_REL32, 3)	/* In Elf 64: alias R_MIPS_REL */
    RELOC_NUMBER (R_MIPS_26, 4)
    RELOC_NUMBER (R_MIPS_HI16, 5)
    RELOC_NUMBER (R_MIPS_LO16, 6)
    RELOC_NUMBER (R_MIPS_GPREL16, 7)	/* In Elf 64: alias R_MIPS_GPREL */
    RELOC_NUMBER (R_MIPS_LITERAL, 8)
    RELOC_NUMBER (R_MIPS_GOT16, 9)	/* In Elf 64: alias R_MIPS_GOT */
    RELOC_NUMBER (R_MIPS_PC16, 10)
    RELOC_NUMBER (R_MIPS_CALL16, 11)	/* In Elf 64: alias R_MIPS_CALL */
    RELOC_NUMBER (R_MIPS_GPREL32, 12)
    /* The remaining relocs are defined on Irix, although they are not
       in the MIPS ELF ABI.  */
    RELOC_NUMBER (R_MIPS_UNUSED1, 13)
    RELOC_NUMBER (R_MIPS_UNUSED2, 14)
    RELOC_NUMBER (R_MIPS_UNUSED3, 15)
    RELOC_NUMBER (R_MIPS_SHIFT5, 16)
    RELOC_NUMBER (R_MIPS_SHIFT6, 17)
    RELOC_NUMBER (R_MIPS_64, 18)
    RELOC_NUMBER (R_MIPS_GOT_DISP, 19)
    RELOC_NUMBER (R_MIPS_GOT_PAGE, 20)
    RELOC_NUMBER (R_MIPS_GOT_OFST, 21)
    RELOC_NUMBER (R_MIPS_GOT_HI16, 22)
    RELOC_NUMBER (R_MIPS_GOT_LO16, 23)
    RELOC_NUMBER (R_MIPS_SUB, 24)
    RELOC_NUMBER (R_MIPS_INSERT_A, 25)
    RELOC_NUMBER (R_MIPS_INSERT_B, 26)
    RELOC_NUMBER (R_MIPS_DELETE, 27)
    RELOC_NUMBER (R_MIPS_HIGHER, 28)
    RELOC_NUMBER (R_MIPS_HIGHEST, 29)
    RELOC_NUMBER (R_MIPS_CALL_HI16, 30)
    RELOC_NUMBER (R_MIPS_CALL_LO16, 31)
    RELOC_NUMBER (R_MIPS_SCN_DISP, 32)
    RELOC_NUMBER (R_MIPS_REL16, 33)
    RELOC_NUMBER (R_MIPS_ADD_IMMEDIATE, 34)
    RELOC_NUMBER (R_MIPS_PJUMP, 35)
    RELOC_NUMBER (R_MIPS_RELGOT, 36)
    RELOC_NUMBER (R_MIPS_JALR, 37)
    /* TLS relocations.  */
    RELOC_NUMBER (R_MIPS_TLS_DTPMOD32, 38)
    RELOC_NUMBER (R_MIPS_TLS_DTPREL32, 39)
    RELOC_NUMBER (R_MIPS_TLS_DTPMOD64, 40)
    RELOC_NUMBER (R_MIPS_TLS_DTPREL64, 41)
    RELOC_NUMBER (R_MIPS_TLS_GD, 42)
    RELOC_NUMBER (R_MIPS_TLS_LDM, 43)
    RELOC_NUMBER (R_MIPS_TLS_DTPREL_HI16, 44)
    RELOC_NUMBER (R_MIPS_TLS_DTPREL_LO16, 45)
    RELOC_NUMBER (R_MIPS_TLS_GOTTPREL, 46)
    RELOC_NUMBER (R_MIPS_TLS_TPREL32, 47)
    RELOC_NUMBER (R_MIPS_TLS_TPREL64, 48)
    RELOC_NUMBER (R_MIPS_TLS_TPREL_HI16, 49)
    RELOC_NUMBER (R_MIPS_TLS_TPREL_LO16, 50)
    RELOC_NUMBER (R_MIPS_GLOB_DAT, 51)
    /* Space to grow */
    RELOC_NUMBER (R_MIPS_PC21_S2, 60)
    RELOC_NUMBER (R_MIPS_PC26_S2, 61)
    RELOC_NUMBER (R_MIPS_PC18_S3, 62)
    RELOC_NUMBER (R_MIPS_PC19_S2, 63)
    RELOC_NUMBER (R_MIPS_PCHI16, 64)
    RELOC_NUMBER (R_MIPS_PCLO16, 65)
    FAKE_RELOC (R_MIPS_max, 66)
    /* These relocs are used for the mips16.  */
    FAKE_RELOC (R_MIPS16_min, 100)
    RELOC_NUMBER (R_MIPS16_26, 100)
    RELOC_NUMBER (R_MIPS16_GPREL, 101)
    RELOC_NUMBER (R_MIPS16_GOT16, 102)
    RELOC_NUMBER (R_MIPS16_CALL16, 103)
    RELOC_NUMBER (R_MIPS16_HI16, 104)
    RELOC_NUMBER (R_MIPS16_LO16, 105)
    RELOC_NUMBER (R_MIPS16_TLS_GD, 106)
    RELOC_NUMBER (R_MIPS16_TLS_LDM, 107)
    RELOC_NUMBER (R_MIPS16_TLS_DTPREL_HI16, 108)
    RELOC_NUMBER (R_MIPS16_TLS_DTPREL_LO16, 109)
    RELOC_NUMBER (R_MIPS16_TLS_GOTTPREL, 110)
    RELOC_NUMBER (R_MIPS16_TLS_TPREL_HI16, 111)
    RELOC_NUMBER (R_MIPS16_TLS_TPREL_LO16, 112)
    RELOC_NUMBER (R_MIPS16_PC16_S1, 113)
    FAKE_RELOC (R_MIPS16_max, 114)
    /* These relocations are specific to VxWorks.  */
    RELOC_NUMBER (R_MIPS_COPY, 126)
    RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127)
  
    /* These relocations are specific to microMIPS.  */
    FAKE_RELOC (R_MICROMIPS_min, 130)
    RELOC_NUMBER (R_MICROMIPS_26_S1, 133)
    RELOC_NUMBER (R_MICROMIPS_HI16, 134)
    RELOC_NUMBER (R_MICROMIPS_LO16, 135)
    RELOC_NUMBER (R_MICROMIPS_GPREL16, 136)	/* In Elf 64:
  						   alias R_MICROMIPS_GPREL */
    RELOC_NUMBER (R_MICROMIPS_LITERAL, 137)
    RELOC_NUMBER (R_MICROMIPS_GOT16, 138)		/* In Elf 64:
  						   alias R_MICROMIPS_GOT */
    RELOC_NUMBER (R_MICROMIPS_PC7_S1, 139)
    RELOC_NUMBER (R_MICROMIPS_PC10_S1, 140)
    RELOC_NUMBER (R_MICROMIPS_PC16_S1, 141)
    RELOC_NUMBER (R_MICROMIPS_CALL16, 142)	/* In Elf 64:
  						   alias R_MICROMIPS_CALL */
    RELOC_NUMBER (R_MICROMIPS_GOT_DISP, 145)
    RELOC_NUMBER (R_MICROMIPS_GOT_PAGE, 146)
    RELOC_NUMBER (R_MICROMIPS_GOT_OFST, 147)
    RELOC_NUMBER (R_MICROMIPS_GOT_HI16, 148)
    RELOC_NUMBER (R_MICROMIPS_GOT_LO16, 149)
    RELOC_NUMBER (R_MICROMIPS_SUB, 150)
    RELOC_NUMBER (R_MICROMIPS_HIGHER, 151)
    RELOC_NUMBER (R_MICROMIPS_HIGHEST, 152)
    RELOC_NUMBER (R_MICROMIPS_CALL_HI16, 153)
    RELOC_NUMBER (R_MICROMIPS_CALL_LO16, 154)
    RELOC_NUMBER (R_MICROMIPS_SCN_DISP, 155)
    RELOC_NUMBER (R_MICROMIPS_JALR, 156)
    RELOC_NUMBER (R_MICROMIPS_HI0_LO16, 157)
    /* TLS relocations.  */
    RELOC_NUMBER (R_MICROMIPS_TLS_GD, 162)
    RELOC_NUMBER (R_MICROMIPS_TLS_LDM, 163)
    RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_HI16, 164)
    RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_LO16, 165)
    RELOC_NUMBER (R_MICROMIPS_TLS_GOTTPREL, 166)
    RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_HI16, 169)
    RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_LO16, 170)
    /* microMIPS GP- and PC-relative relocations. */
    RELOC_NUMBER (R_MICROMIPS_GPREL7_S2, 172)
    RELOC_NUMBER (R_MICROMIPS_PC23_S2, 173)
    FAKE_RELOC (R_MICROMIPS_max, 174)
  
    /* This was a GNU extension used by embedded-PIC.  It was co-opted by
       mips-linux for exception-handling data.  GCC stopped using it in
       May, 2004, then started using it again for compact unwind tables.  */
    RELOC_NUMBER (R_MIPS_PC32, 248)
    RELOC_NUMBER (R_MIPS_EH, 249)
    /* FIXME: this relocation is used internally by gas.  */
    RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250)
    /* These are GNU extensions to enable C++ vtable garbage collection.  */
    RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253)
    RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254)
  END_RELOC_NUMBERS (R_MIPS_maxext)
  
  /* Processor specific flags for the ELF header e_flags field.  */
  
  /* At least one .noreorder directive appears in the source.  */
  #define EF_MIPS_NOREORDER	0x00000001
  
  /* File contains position independent code.  */
  #define EF_MIPS_PIC		0x00000002
  
  /* Code in file uses the standard calling sequence for calling
     position independent code.  */
  #define EF_MIPS_CPIC		0x00000004
  
  /* ???  Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a.  */
  #define EF_MIPS_XGOT		0x00000008
  
  /* Code in file uses UCODE (obsolete) */
  #define EF_MIPS_UCODE		0x00000010
  
  /* Code in file uses new ABI (-n32 on Irix 6).  */
  #define EF_MIPS_ABI2		0x00000020
  
  /* Process the .MIPS.options section first by ld */
  #define EF_MIPS_OPTIONS_FIRST	0x00000080
  
  /* Indicates code compiled for a 64-bit machine in 32-bit mode
     (regs are 32-bits wide).  */
  #define EF_MIPS_32BITMODE	0x00000100
  
  /* 32-bit machine but FP registers are 64 bit (-mfp64).  */
  #define EF_MIPS_FP64		0x00000200
  
  /* Code in file uses the IEEE 754-2008 NaN encoding convention.  */
  #define EF_MIPS_NAN2008		0x00000400
  
  /* Architectural Extensions used by this file */
  #define EF_MIPS_ARCH_ASE	0x0f000000
  
  /* Use MDMX multimedia extensions */
  #define EF_MIPS_ARCH_ASE_MDMX	0x08000000
  
  /* Use MIPS-16 ISA extensions */
  #define EF_MIPS_ARCH_ASE_M16	0x04000000
  
  /* Use MICROMIPS ISA extensions.  */
  #define EF_MIPS_ARCH_ASE_MICROMIPS	0x02000000
  
  /* Four bit MIPS architecture field.  */
  #define EF_MIPS_ARCH		0xf0000000
  
  /* -mips1 code.  */
  #define E_MIPS_ARCH_1		0x00000000
  
  /* -mips2 code.  */
  #define E_MIPS_ARCH_2		0x10000000
  
  /* -mips3 code.  */
  #define E_MIPS_ARCH_3		0x20000000
  
  /* -mips4 code.  */
  #define E_MIPS_ARCH_4		0x30000000
  
  /* -mips5 code.  */
  #define E_MIPS_ARCH_5           0x40000000
  
  /* -mips32 code.  */
  #define E_MIPS_ARCH_32          0x50000000
  
  /* -mips64 code.  */
  #define E_MIPS_ARCH_64          0x60000000
  
  /* -mips32r2 code.  */
  #define E_MIPS_ARCH_32R2        0x70000000
  
  /* -mips64r2 code.  */
  #define E_MIPS_ARCH_64R2        0x80000000
  
  /* -mips32r6 code.  */
  #define E_MIPS_ARCH_32R6        0x90000000
  
  /* -mips64r6 code.  */
  #define E_MIPS_ARCH_64R6        0xa0000000
  
  /* The ABI of the file.  Also see EF_MIPS_ABI2 above. */
  #define EF_MIPS_ABI		0x0000F000
  
  /* The original o32 abi. */
  #define E_MIPS_ABI_O32          0x00001000
  
  /* O32 extended to work on 64 bit architectures */
  #define E_MIPS_ABI_O64          0x00002000
  
  /* EABI in 32 bit mode */
  #define E_MIPS_ABI_EABI32       0x00003000
  
  /* EABI in 64 bit mode */
  #define E_MIPS_ABI_EABI64       0x00004000
  
  
  /* Machine variant if we know it.  This field was invented at Cygnus,
     but it is hoped that other vendors will adopt it.  If some standard
     is developed, this code should be changed to follow it. */
  
  #define EF_MIPS_MACH		0x00FF0000
  
  /* Cygnus is choosing values between 80 and 9F;
     00 - 7F should be left for a future standard;
     the rest are open. */
  
  #define E_MIPS_MACH_3900	0x00810000
  #define E_MIPS_MACH_4010	0x00820000
  #define E_MIPS_MACH_4100	0x00830000
  #define E_MIPS_MACH_4650	0x00850000
  #define E_MIPS_MACH_4120	0x00870000
  #define E_MIPS_MACH_4111	0x00880000
  #define E_MIPS_MACH_SB1         0x008a0000
  #define E_MIPS_MACH_OCTEON	0x008b0000
  #define E_MIPS_MACH_XLR     	0x008c0000
  #define E_MIPS_MACH_OCTEON2	0x008d0000
  #define E_MIPS_MACH_OCTEON3	0x008e0000
  #define E_MIPS_MACH_5400	0x00910000
  #define E_MIPS_MACH_5900	0x00920000
  #define E_MIPS_MACH_IAMR2	0x00930000
  #define E_MIPS_MACH_5500	0x00980000
  #define E_MIPS_MACH_9000	0x00990000
  #define E_MIPS_MACH_LS2E        0x00A00000
  #define E_MIPS_MACH_LS2F        0x00A10000
  #define E_MIPS_MACH_GS464       0x00A20000
  #define E_MIPS_MACH_GS464E	0x00A30000
  #define E_MIPS_MACH_GS264E	0x00A40000
  
  /* Processor specific section indices.  These sections do not actually
     exist.  Symbols with a st_shndx field corresponding to one of these
     values have a special meaning.  */
  
  /* Defined and allocated common symbol.  Value is virtual address.  If
     relocated, alignment must be preserved.  */
  #define SHN_MIPS_ACOMMON	SHN_LORESERVE
  
  /* Defined and allocated text symbol.  Value is virtual address.
     Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables.  */
  #define SHN_MIPS_TEXT		(SHN_LORESERVE + 1)
  
  /* Defined and allocated data symbol.  Value is virtual address.
     Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables.  */
  #define SHN_MIPS_DATA		(SHN_LORESERVE + 2)
  
  /* Small common symbol.  */
  #define SHN_MIPS_SCOMMON	(SHN_LORESERVE + 3)
  
  /* Small undefined symbol.  */
  #define SHN_MIPS_SUNDEFINED	(SHN_LORESERVE + 4)
  
  /* Processor specific section types.  */
  
  /* Section contains the set of dynamic shared objects used when
     statically linking.  */
  #define SHT_MIPS_LIBLIST	0x70000000
  
  /* I'm not sure what this is, but it's used on Irix 5.  */
  #define SHT_MIPS_MSYM		0x70000001
  
  /* Section contains list of symbols whose definitions conflict with
     symbols defined in shared objects.  */
  #define SHT_MIPS_CONFLICT	0x70000002
  
  /* Section contains the global pointer table.  */
  #define SHT_MIPS_GPTAB		0x70000003
  
  /* Section contains microcode information.  The exact format is
     unspecified.  */
  #define SHT_MIPS_UCODE		0x70000004
  
  /* Section contains some sort of debugging information.  The exact
     format is unspecified.  It's probably ECOFF symbols.  */
  #define SHT_MIPS_DEBUG		0x70000005
  
  /* Section contains register usage information.  */
  #define SHT_MIPS_REGINFO	0x70000006
  
  /* ??? */
  #define SHT_MIPS_PACKAGE	0x70000007
  
  /* ??? */
  #define SHT_MIPS_PACKSYM	0x70000008
  
  /* ??? */
  #define SHT_MIPS_RELD		0x70000009
  
  /* Section contains interface information.  */
  #define SHT_MIPS_IFACE		0x7000000b
  
  /* Section contains description of contents of another section.  */
  #define SHT_MIPS_CONTENT	0x7000000c
  
  /* Section contains miscellaneous options.  */
  #define SHT_MIPS_OPTIONS	0x7000000d
  
  /* ??? */
  #define SHT_MIPS_SHDR		0x70000010
  
  /* ??? */
  #define SHT_MIPS_FDESC		0x70000011
  
  /* ??? */
  #define SHT_MIPS_EXTSYM		0x70000012
  
  /* ??? */
  #define SHT_MIPS_DENSE		0x70000013
  
  /* ??? */
  #define SHT_MIPS_PDESC		0x70000014
  
  /* ??? */
  #define SHT_MIPS_LOCSYM		0x70000015
  
  /* ??? */
  #define SHT_MIPS_AUXSYM		0x70000016
  
  /* ??? */
  #define SHT_MIPS_OPTSYM		0x70000017
  
  /* ??? */
  #define SHT_MIPS_LOCSTR		0x70000018
  
  /* ??? */
  #define SHT_MIPS_LINE		0x70000019
  
  /* ??? */
  #define SHT_MIPS_RFDESC		0x7000001a
  
  /* Delta C++: symbol table */
  #define SHT_MIPS_DELTASYM	0x7000001b
  
  /* Delta C++: instance table */
  #define SHT_MIPS_DELTAINST	0x7000001c
  
  /* Delta C++: class table */
  #define SHT_MIPS_DELTACLASS	0x7000001d
  
  /* DWARF debugging section.  */
  #define SHT_MIPS_DWARF		0x7000001e
  
  /* Delta C++: declarations */
  #define SHT_MIPS_DELTADECL	0x7000001f
  
  /* List of libraries the binary depends on.  Includes a time stamp, version
     number.  */
  #define SHT_MIPS_SYMBOL_LIB	0x70000020
  
  /* Events section.  */
  #define SHT_MIPS_EVENTS		0x70000021
  
  /* ??? */
  #define SHT_MIPS_TRANSLATE	0x70000022
  
  /* Special pixie sections */
  #define SHT_MIPS_PIXIE		0x70000023
  
  /* Address translation table (for debug info) */
  #define SHT_MIPS_XLATE		0x70000024
  
  /* SGI internal address translation table (for debug info) */
  #define SHT_MIPS_XLATE_DEBUG	0x70000025
  
  /* Intermediate code */
  #define SHT_MIPS_WHIRL		0x70000026
  
  /* C++ exception handling region info */
  #define SHT_MIPS_EH_REGION	0x70000027
  
  /* Obsolete address translation table (for debug info) */
  #define SHT_MIPS_XLATE_OLD	0x70000028
  
  /* Runtime procedure descriptor table exception information (ucode) ??? */
  #define SHT_MIPS_PDR_EXCEPTION	0x70000029
  
  /* ABI related flags section.  */
  #define SHT_MIPS_ABIFLAGS	0x7000002a
  
  /* A section of type SHT_MIPS_LIBLIST contains an array of the
     following structure.  The sh_link field is the section index of the
     string table.  The sh_info field is the number of entries in the
     section.  */
  typedef struct
  {
    /* String table index for name of shared object.  */
    unsigned long l_name;
    /* Time stamp.  */
    unsigned long l_time_stamp;
    /* Checksum of symbol names and common sizes.  */
    unsigned long l_checksum;
    /* String table index for version.  */
    unsigned long l_version;
    /* Flags.  */
    unsigned long l_flags;
  } Elf32_Lib;
  
  /* The external version of Elf32_Lib.  */
  typedef struct
  {
    unsigned char l_name[4];
    unsigned char l_time_stamp[4];
    unsigned char l_checksum[4];
    unsigned char l_version[4];
    unsigned char l_flags[4];
  } Elf32_External_Lib;
  
  /* The l_flags field of an Elf32_Lib structure may contain the
     following flags.  */
  
  /* Require an exact match at runtime.  */
  #define LL_EXACT_MATCH		0x00000001
  
  /* Ignore version incompatibilities at runtime.  */
  #define LL_IGNORE_INT_VER	0x00000002
  
  /* Require matching minor version number.  */
  #define LL_REQUIRE_MINOR	0x00000004
  
  /* ??? */
  #define LL_EXPORTS		0x00000008
  
  /* Delay loading of this library until really needed.  */
  #define LL_DELAY_LOAD		0x00000010
  
  /* ??? Delta C++ stuff ??? */
  #define LL_DELTA		0x00000020
  
  
  /* A section of type SHT_MIPS_CONFLICT is an array of indices into the
     .dynsym section.  Each element has the following type.  */
  typedef unsigned long Elf32_Conflict;
  typedef unsigned char Elf32_External_Conflict[4];
  
  typedef unsigned long Elf64_Conflict;
  typedef unsigned char Elf64_External_Conflict[8];
  
  /* A section of type SHT_MIPS_GPTAB contains information about how
     much GP space would be required for different -G arguments.  This
     information is only used so that the linker can provide informative
     suggestions as to the best -G value to use.  The sh_info field is
     the index of the section for which this information applies.  The
     contents of the section are an array of the following union.  The
     first element uses the gt_header field.  The remaining elements use
     the gt_entry field.  */
  typedef union
  {
    struct
      {
        /* -G value actually used for this object file.  */
        unsigned long gt_current_g_value;
        /* Unused.  */
        unsigned long gt_unused;
      } gt_header;
    struct
      {
        /* If this -G argument has been used...  */
        unsigned long gt_g_value;
        /* ...this many GP section bytes would be required.  */
        unsigned long gt_bytes;
      } gt_entry;
  } Elf32_gptab;
  
  /* The external version of Elf32_gptab.  */
  
  typedef union
  {
    struct
      {
        unsigned char gt_current_g_value[4];
        unsigned char gt_unused[4];
      } gt_header;
    struct
      {
        unsigned char gt_g_value[4];
        unsigned char gt_bytes[4];
      } gt_entry;
  } Elf32_External_gptab;
  
  /* A section of type SHT_MIPS_REGINFO contains the following
     structure.  */
  typedef struct
  {
    /* Mask of general purpose registers used.  */
    unsigned long ri_gprmask;
    /* Mask of co-processor registers used.  */
    unsigned long ri_cprmask[4];
    /* GP register value for this object file.  */
    long ri_gp_value;
  } Elf32_RegInfo;
  
  /* The external version of the Elf_RegInfo structure.  */
  typedef struct
  {
    unsigned char ri_gprmask[4];
    unsigned char ri_cprmask[4][4];
    unsigned char ri_gp_value[4];
  } Elf32_External_RegInfo;
  
  /* MIPS ELF .reginfo swapping routines.  */
  extern void bfd_mips_elf32_swap_reginfo_in
    (bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *);
  extern void bfd_mips_elf32_swap_reginfo_out
    (bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *);
  
  /* Processor specific section flags.  */
  
  /* This section must be in the global data area.  */
  #define SHF_MIPS_GPREL		0x10000000
  
  /* This section should be merged.  */
  #define SHF_MIPS_MERGE		0x20000000
  
  /* This section contains address data of size implied by section
     element size.  */
  #define SHF_MIPS_ADDR		0x40000000
  
  /* This section contains string data.  */
  #define SHF_MIPS_STRING		0x80000000
  
  /* This section may not be stripped.  */
  #define SHF_MIPS_NOSTRIP	0x08000000
  
  /* This section is local to threads.  */
  #define SHF_MIPS_LOCAL		0x04000000
  
  /* Linker should generate implicit weak names for this section.  */
  #define SHF_MIPS_NAMES		0x02000000
  
  /* Section contais text/data which may be replicated in other sections.
     Linker should retain only one copy.  */
  #define SHF_MIPS_NODUPES	0x01000000
  
  /* Processor specific program header types.  */
  
  /* Register usage information.  Identifies one .reginfo section.  */
  #define PT_MIPS_REGINFO		0x70000000
  
  /* Runtime procedure table.  */
  #define PT_MIPS_RTPROC		0x70000001
  
  /* .MIPS.options section.  */
  #define PT_MIPS_OPTIONS		0x70000002
  
  /* Records ABI related flags.  */
  #define PT_MIPS_ABIFLAGS	0x70000003
  
  /* Processor specific dynamic array tags.  */
  
  /* 32 bit version number for runtime linker interface.  */
  #define DT_MIPS_RLD_VERSION	0x70000001
  
  /* Time stamp.  */
  #define DT_MIPS_TIME_STAMP	0x70000002
  
  /* Checksum of external strings and common sizes.  */
  #define DT_MIPS_ICHECKSUM	0x70000003
  
  /* Index of version string in string table.  */
  #define DT_MIPS_IVERSION	0x70000004
  
  /* 32 bits of flags.  */
  #define DT_MIPS_FLAGS		0x70000005
  
  /* Base address of the segment.  */
  #define DT_MIPS_BASE_ADDRESS	0x70000006
  
  /* ??? */
  #define DT_MIPS_MSYM		0x70000007
  
  /* Address of .conflict section.  */
  #define DT_MIPS_CONFLICT	0x70000008
  
  /* Address of .liblist section.  */
  #define DT_MIPS_LIBLIST		0x70000009
  
  /* Number of local global offset table entries.  */
  #define DT_MIPS_LOCAL_GOTNO	0x7000000a
  
  /* Number of entries in the .conflict section.  */
  #define DT_MIPS_CONFLICTNO	0x7000000b
  
  /* Number of entries in the .liblist section.  */
  #define DT_MIPS_LIBLISTNO	0x70000010
  
  /* Number of entries in the .dynsym section.  */
  #define DT_MIPS_SYMTABNO	0x70000011
  
  /* Index of first external dynamic symbol not referenced locally.  */
  #define DT_MIPS_UNREFEXTNO	0x70000012
  
  /* Index of first dynamic symbol in global offset table.  */
  #define DT_MIPS_GOTSYM		0x70000013
  
  /* Number of page table entries in global offset table.  */
  #define DT_MIPS_HIPAGENO	0x70000014
  
  /* Address of run time loader map, used for debugging.  */
  #define DT_MIPS_RLD_MAP		0x70000016
  
  /* Delta C++ class definition.  */
  #define DT_MIPS_DELTA_CLASS	0x70000017
  
  /* Number of entries in DT_MIPS_DELTA_CLASS.  */
  #define DT_MIPS_DELTA_CLASS_NO	0x70000018
  
  /* Delta C++ class instances.  */
  #define DT_MIPS_DELTA_INSTANCE	0x70000019
  
  /* Number of entries in DT_MIPS_DELTA_INSTANCE.  */
  #define DT_MIPS_DELTA_INSTANCE_NO	0x7000001a
  
  /* Delta relocations.  */
  #define DT_MIPS_DELTA_RELOC	0x7000001b
  
  /* Number of entries in DT_MIPS_DELTA_RELOC.  */
  #define DT_MIPS_DELTA_RELOC_NO	0x7000001c
  
  /* Delta symbols that Delta relocations refer to.  */
  #define DT_MIPS_DELTA_SYM	0x7000001d
  
  /* Number of entries in DT_MIPS_DELTA_SYM.  */
  #define DT_MIPS_DELTA_SYM_NO	0x7000001e
  
  /* Delta symbols that hold class declarations.  */
  #define DT_MIPS_DELTA_CLASSSYM	0x70000020
  
  /* Number of entries in DT_MIPS_DELTA_CLASSSYM.  */
  #define DT_MIPS_DELTA_CLASSSYM_NO	0x70000021
  
  /* Flags indicating information about C++ flavor.  */
  #define DT_MIPS_CXX_FLAGS	0x70000022
  
  /* Pixie information (???).  */
  #define DT_MIPS_PIXIE_INIT	0x70000023
  
  /* Address of .MIPS.symlib */
  #define DT_MIPS_SYMBOL_LIB	0x70000024
  
  /* The GOT index of the first PTE for a segment */
  #define DT_MIPS_LOCALPAGE_GOTIDX	0x70000025
  
  /* The GOT index of the first PTE for a local symbol */
  #define DT_MIPS_LOCAL_GOTIDX	0x70000026
  
  /* The GOT index of the first PTE for a hidden symbol */
  #define DT_MIPS_HIDDEN_GOTIDX	0x70000027
  
  /* The GOT index of the first PTE for a protected symbol */
  #define DT_MIPS_PROTECTED_GOTIDX	0x70000028
  
  /* Address of `.MIPS.options'.  */
  #define DT_MIPS_OPTIONS		0x70000029
  
  /* Address of `.interface'.  */
  #define DT_MIPS_INTERFACE	0x7000002a
  
  /* ??? */
  #define DT_MIPS_DYNSTR_ALIGN	0x7000002b
  
  /* Size of the .interface section.  */
  #define DT_MIPS_INTERFACE_SIZE	0x7000002c
  
  /* Size of rld_text_resolve function stored in the GOT.  */
  #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR	0x7000002d
  
  /* Default suffix of DSO to be added by rld on dlopen() calls.  */
  #define DT_MIPS_PERF_SUFFIX	0x7000002e
  
  /* Size of compact relocation section (O32).  */
  #define DT_MIPS_COMPACT_SIZE	0x7000002f
  
  /* GP value for auxiliary GOTs.  */
  #define DT_MIPS_GP_VALUE	0x70000030
  
  /* Address of auxiliary .dynamic.  */
  #define DT_MIPS_AUX_DYNAMIC	0x70000031
  
  /* Address of the base of the PLTGOT.  */
  #define DT_MIPS_PLTGOT         0x70000032
  
  /* Points to the base of a writable PLT.  */
  #define DT_MIPS_RWPLT          0x70000034
  
  /* Relative offset of run time loader map, used for debugging.  */
  #define DT_MIPS_RLD_MAP_REL    0x70000035
  
  /* Flags which may appear in a DT_MIPS_FLAGS entry.  */
  
  /* No flags.  */
  #define RHF_NONE		0x00000000
  
  /* Uses shortcut pointers.  */
  #define RHF_QUICKSTART		0x00000001
  
  /* Hash size is not a power of two.  */
  #define RHF_NOTPOT		0x00000002
  
  /* Ignore LD_LIBRARY_PATH.  */
  #define RHS_NO_LIBRARY_REPLACEMENT 0x00000004
  
  /* DSO address may not be relocated. */
  #define RHF_NO_MOVE		0x00000008
  
  /* SGI specific features. */
  #define RHF_SGI_ONLY		0x00000010
  
  /* Guarantee that .init will finish executing before any non-init
     code in DSO is called. */
  #define RHF_GUARANTEE_INIT	   0x00000020
  
  /* Contains Delta C++ code. */
  #define RHF_DELTA_C_PLUS_PLUS	   0x00000040
  
  /* Guarantee that .init will start executing before any non-init
     code in DSO is called. */
  #define RHF_GUARANTEE_START_INIT   0x00000080
  
  /* Generated by pixie. */
  #define RHF_PIXIE		   0x00000100
  
  /* Delay-load DSO by default. */
  #define RHF_DEFAULT_DELAY_LOAD	   0x00000200
  
  /* Object may be requickstarted */
  #define RHF_REQUICKSTART	   0x00000400
  
  /* Object has been requickstarted */
  #define RHF_REQUICKSTARTED	   0x00000800
  
  /* Generated by cord. */
  #define RHF_CORD		   0x00001000
  
  /* Object contains no unresolved undef symbols. */
  #define RHF_NO_UNRES_UNDEF	   0x00002000
  
  /* Symbol table is in a safe order. */
  #define RHF_RLD_ORDER_SAFE	   0x00004000
  
  /* Special values for the st_other field in the symbol table.  These
     are used in an Irix 5 dynamic symbol table.  */
  
  #define STO_DEFAULT		STV_DEFAULT
  #define STO_INTERNAL		STV_INTERNAL
  #define STO_HIDDEN		STV_HIDDEN
  #define STO_PROTECTED		STV_PROTECTED
  
  /* Two topmost bits denote the MIPS ISA for .text symbols:
     + 00 -- standard MIPS code,
     + 10 -- microMIPS code,
     + 11 -- MIPS16 code; requires the following two bits to be set too.
     Note that one of the MIPS16 bits overlaps with STO_MIPS_PIC.  See below
     for details.  */
  #define STO_MIPS_ISA		(3 << 6)
  
  /* The mask spanning the rest of MIPS psABI flags.  At most one is expected
     to be set except for STO_MIPS16.  */
  #define STO_MIPS_FLAGS		(~(STO_MIPS_ISA | ELF_ST_VISIBILITY (-1)))
  
  /* The MIPS psABI was updated in 2008 with support for PLTs and copy
     relocs.  There are therefore two types of nonzero SHN_UNDEF functions:
     PLT entries and traditional MIPS lazy binding stubs.  We mark the former
     with STO_MIPS_PLT to distinguish them from the latter.  */
  #define STO_MIPS_PLT		0x8
  #define ELF_ST_IS_MIPS_PLT(other)					\
    ((ELF_ST_IS_MIPS16 (other)						\
      ? ((other) & (~STO_MIPS16 & STO_MIPS_FLAGS))			\
      : ((other) & STO_MIPS_FLAGS)) == STO_MIPS_PLT)
  #define ELF_ST_SET_MIPS_PLT(other)					\
    ((ELF_ST_IS_MIPS16 (other)						\
      ? ((other) & (STO_MIPS16 | ~STO_MIPS_FLAGS))			\
      : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PLT)
  
  /* This value is used to mark PIC functions in an object that mixes
     PIC and non-PIC.  Note that this bit overlaps with STO_MIPS16,
     although MIPS16 symbols are never considered to be MIPS_PIC.  */
  #define STO_MIPS_PIC		0x20
  #define ELF_ST_IS_MIPS_PIC(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PIC)
  #define ELF_ST_SET_MIPS_PIC(other)					\
    ((ELF_ST_IS_MIPS16 (other)						\
      ? ((other) & ~(STO_MIPS16 | STO_MIPS_FLAGS))			\
      : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PIC)
  
  /* This value is used for a mips16 .text symbol.  */
  #define STO_MIPS16		0xf0
  #define ELF_ST_IS_MIPS16(other) (((other) & STO_MIPS16) == STO_MIPS16)
  #define ELF_ST_SET_MIPS16(other) ((other) | STO_MIPS16)
  
  /* This value is used for a microMIPS .text symbol.  To distinguish from
     STO_MIPS16, we set top two bits to be 10 to denote STO_MICROMIPS.  The
     mask is STO_MIPS_ISA.  */
  #define STO_MICROMIPS		(2 << 6)
  #define ELF_ST_IS_MICROMIPS(other) (((other) & STO_MIPS_ISA) == STO_MICROMIPS)
  #define ELF_ST_SET_MICROMIPS(other) (((other) & ~STO_MIPS_ISA) | STO_MICROMIPS)
  
  /* Whether code compression (either of the MIPS16 or the microMIPS ASEs)
     has been indicated for a .text symbol.  */
  #define ELF_ST_IS_COMPRESSED(other) \
    (ELF_ST_IS_MIPS16 (other) || ELF_ST_IS_MICROMIPS (other))
  
  /* This bit is used on Irix to indicate a symbol whose definition
     is optional - if, at final link time, it cannot be found, no
     error message should be produced.  */
  #define STO_OPTIONAL		(1 << 2)
  /* A macro to examine the STO_OPTIONAL bit.  */
  #define ELF_MIPS_IS_OPTIONAL(other)	((other) & STO_OPTIONAL)
  
  /* The 64-bit MIPS ELF ABI uses an unusual reloc format.  Each
     relocation entry specifies up to three actual relocations, all at
     the same address.  The first relocation which required a symbol
     uses the symbol in the r_sym field.  The second relocation which
     requires a symbol uses the symbol in the r_ssym field.  If all
     three relocations require a symbol, the third one uses a zero
     value.  */
  
  /* An entry in a 64 bit SHT_REL section.  */
  
  typedef struct
  {
    /* Address of relocation.  */
    unsigned char r_offset[8];
    /* Symbol index.  */
    unsigned char r_sym[4];
    /* Special symbol.  */
    unsigned char r_ssym[1];
    /* Third relocation.  */
    unsigned char r_type3[1];
    /* Second relocation.  */
    unsigned char r_type2[1];
    /* First relocation.  */
    unsigned char r_type[1];
  } Elf64_Mips_External_Rel;
  
  typedef struct
  {
    /* Address of relocation.  */
    bfd_vma r_offset;
    /* Symbol index.  */
    unsigned long r_sym;
    /* Special symbol.  */
    unsigned char r_ssym;
    /* Third relocation.  */
    unsigned char r_type3;
    /* Second relocation.  */
    unsigned char r_type2;
    /* First relocation.  */
    unsigned char r_type;
  } Elf64_Mips_Internal_Rel;
  
  /* An entry in a 64 bit SHT_RELA section.  */
  
  typedef struct
  {
    /* Address of relocation.  */
    unsigned char r_offset[8];
    /* Symbol index.  */
    unsigned char r_sym[4];
    /* Special symbol.  */
    unsigned char r_ssym[1];
    /* Third relocation.  */
    unsigned char r_type3[1];
    /* Second relocation.  */
    unsigned char r_type2[1];
    /* First relocation.  */
    unsigned char r_type[1];
    /* Addend.  */
    unsigned char r_addend[8];
  } Elf64_Mips_External_Rela;
  
  typedef struct
  {
    /* Address of relocation.  */
    bfd_vma r_offset;
    /* Symbol index.  */
    unsigned long r_sym;
    /* Special symbol.  */
    unsigned char r_ssym;
    /* Third relocation.  */
    unsigned char r_type3;
    /* Second relocation.  */
    unsigned char r_type2;
    /* First relocation.  */
    unsigned char r_type;
    /* Addend.  */
    bfd_signed_vma r_addend;
  } Elf64_Mips_Internal_Rela;
  
  /* MIPS ELF 64 relocation info access macros.  */
  #define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff)
  #define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff)
  #define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff)
  #define ELF64_MIPS_R_TYPE(i) ((i) & 0xff)
  
  /* Values found in the r_ssym field of a relocation entry.  */
  
  /* No relocation.  */
  #define RSS_UNDEF	0
  
  /* Value of GP.  */
  #define RSS_GP		1
  
  /* Value of GP in object being relocated.  */
  #define RSS_GP0		2
  
  /* Address of location being relocated.  */
  #define RSS_LOC		3
  
  /* A SHT_MIPS_OPTIONS section contains a series of options, each of
     which starts with this header.  */
  
  typedef struct
  {
    /* Type of option.  */
    unsigned char kind[1];
    /* Size of option descriptor, including header.  */
    unsigned char size[1];
    /* Section index of affected section, or 0 for global option.  */
    unsigned char section[2];
    /* Information specific to this kind of option.  */
    unsigned char info[4];
  } Elf_External_Options;
  
  typedef struct
  {
    /* Type of option.  */
    unsigned char kind;
    /* Size of option descriptor, including header.  */
    unsigned char size;
    /* Section index of affected section, or 0 for global option.  */
    unsigned short section;
    /* Information specific to this kind of option.  */
    unsigned long info;
  } Elf_Internal_Options;
  
  /* MIPS ELF option header swapping routines.  */
  extern void bfd_mips_elf_swap_options_in
    (bfd *, const Elf_External_Options *, Elf_Internal_Options *);
  extern void bfd_mips_elf_swap_options_out
    (bfd *, const Elf_Internal_Options *, Elf_External_Options *);
  
  /* Values which may appear in the kind field of an Elf_Options
     structure.  */
  
  /* Undefined.  */
  #define ODK_NULL	0
  
  /* Register usage and GP value.  */
  #define ODK_REGINFO	1
  
  /* Exception processing information.  */
  #define ODK_EXCEPTIONS	2
  
  /* Section padding information.  */
  #define ODK_PAD		3
  
  /* Hardware workarounds performed.  */
  #define ODK_HWPATCH	4
  
  /* Fill value used by the linker.  */
  #define ODK_FILL	5
  
  /* Reserved space for desktop tools.  */
  #define ODK_TAGS	6
  
  /* Hardware workarounds, AND bits when merging.  */
  #define ODK_HWAND	7
  
  /* Hardware workarounds, OR bits when merging.  */
  #define ODK_HWOR	8
  
  /* GP group to use for text/data sections.  */
  #define ODK_GP_GROUP	9
  
  /* ID information.  */
  #define ODK_IDENT	10
  
  /* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo
     structure.  In the 64 bit ABI, it is the following structure.  The
     info field of the options header is not used.  */
  
  typedef struct
  {
    /* Mask of general purpose registers used.  */
    unsigned char ri_gprmask[4];
    /* Padding.  */
    unsigned char ri_pad[4];
    /* Mask of co-processor registers used.  */
    unsigned char ri_cprmask[4][4];
    /* GP register value for this object file.  */
    unsigned char ri_gp_value[8];
  } Elf64_External_RegInfo;
  
  typedef struct
  {
    /* Mask of general purpose registers used.  */
    unsigned long ri_gprmask;
    /* Padding.  */
    unsigned long ri_pad;
    /* Mask of co-processor registers used.  */
    unsigned long ri_cprmask[4];
    /* GP register value for this object file.  */
    bfd_vma ri_gp_value;
  } Elf64_Internal_RegInfo;
  
  /* ABI Flags structure version 0.  */
  
  typedef struct
  {
    /* Version of flags structure.  */
    unsigned char version[2];
    /* The level of the ISA: 1-5, 32, 64.  */
    unsigned char isa_level[1];
    /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise.  */
    unsigned char isa_rev[1];
    /* The size of general purpose registers.  */
    unsigned char gpr_size[1];
    /* The size of co-processor 1 registers.  */
    unsigned char cpr1_size[1];
    /* The size of co-processor 2 registers.  */
    unsigned char cpr2_size[1];
    /* The floating-point ABI.  */
    unsigned char fp_abi[1];
    /* Processor-specific extension.  */
    unsigned char isa_ext[4];
    /* Mask of ASEs used.  */
    unsigned char ases[4];
    /* Mask of general flags.  */
    unsigned char flags1[4];
    unsigned char flags2[4];
  } Elf_External_ABIFlags_v0;
  
  typedef struct elf_internal_abiflags_v0
  {
    /* Version of flags structure.  */
    unsigned short version;
    /* The level of the ISA: 1-5, 32, 64.  */
    unsigned char isa_level;
    /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise.  */
    unsigned char isa_rev;
    /* The size of general purpose registers.  */
    unsigned char gpr_size;
    /* The size of co-processor 1 registers.  */
    unsigned char cpr1_size;
    /* The size of co-processor 2 registers.  */
    unsigned char cpr2_size;
    /* The floating-point ABI.  */
    unsigned char fp_abi;
    /* Processor-specific extension.  */
    unsigned long isa_ext;
    /* Mask of ASEs used.  */
    unsigned long ases;
    /* Mask of general flags.  */
    unsigned long flags1;
    unsigned long flags2;
  } Elf_Internal_ABIFlags_v0;
  
  typedef struct
  {
    /* The hash value computed from the name of the corresponding
       dynamic symbol.  */
    unsigned char ms_hash_value[4];
    /* Contains both the dynamic relocation index and the symbol flags
       field.  The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
       to access the individual values.  The dynamic relocation index
       identifies the first entry in the .rel.dyn section that
       references the dynamic symbol corresponding to this msym entry.
       If the index is 0, no dynamic relocations are associated with the
       symbol.  The symbol flags field is reserved for future use.  */
    unsigned char ms_info[4];
  } Elf32_External_Msym;
  
  typedef struct
  {
    /* The hash value computed from the name of the corresponding
       dynamic symbol.  */
    unsigned long ms_hash_value;
    /* Contains both the dynamic relocation index and the symbol flags
       field.  The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
       to access the individual values.  The dynamic relocation index
       identifies the first entry in the .rel.dyn section that
       references the dynamic symbol corresponding to this msym entry.
       If the index is 0, no dynamic relocations are associated with the
       symbol.  The symbol flags field is reserved for future use.  */
    unsigned long ms_info;
  } Elf32_Internal_Msym;
  
  #define ELF32_MS_REL_INDEX(i) ((i) >> 8)
  #define ELF32_MS_FLAGS(i)     (i) & 0xff)
  #define ELF32_MS_INFO(r, f)   (((r) << 8) + ((f) & 0xff))
  
  /* MIPS ELF reginfo swapping routines.  */
  extern void bfd_mips_elf64_swap_reginfo_in
    (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *);
  extern void bfd_mips_elf64_swap_reginfo_out
    (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *);
  
  /* MIPS ELF flags swapping routines.  */
  extern void bfd_mips_elf_swap_abiflags_v0_in
    (bfd *, const Elf_External_ABIFlags_v0 *, Elf_Internal_ABIFlags_v0 *);
  extern void bfd_mips_elf_swap_abiflags_v0_out
    (bfd *, const Elf_Internal_ABIFlags_v0 *, Elf_External_ABIFlags_v0 *);
  
  /* Masks for the info work of an ODK_EXCEPTIONS descriptor.  */
  #define OEX_FPU_MIN	0x1f	/* FPEs which must be enabled.  */
  #define OEX_FPU_MAX	0x1f00	/* FPEs which may be enabled.  */
  #define OEX_PAGE0	0x10000	/* Page zero must be mapped.  */
  #define OEX_SMM		0x20000	/* Force sequential memory mode.  */
  #define OEX_FPDBUG	0x40000	/* Force precise floating-point
  				   exceptions (debug mode).  */
  #define OEX_DISMISS	0x80000	/* Dismiss invalid address faults.  */
  
  /* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX.  */
  #define OEX_FPU_INVAL	0x10	/* Invalid operation exception.  */
  #define OEX_FPU_DIV0	0x08	/* Division by zero exception.  */
  #define OEX_FPU_OFLO	0x04	/* Overflow exception.  */
  #define OEX_FPU_UFLO	0x02	/* Underflow exception.  */
  #define OEX_FPU_INEX	0x01	/* Inexact exception.  */
  
  /* Masks for the info word of an ODK_PAD descriptor.  */
  #define OPAD_PREFIX	0x01
  #define OPAD_POSTFIX	0x02
  #define OPAD_SYMBOL	0x04
  
  /* Masks for the info word of an ODK_HWPATCH descriptor.  */
  #define OHW_R4KEOP	0x00000001	/* R4000 end-of-page patch.  */
  #define OHW_R8KPFETCH	0x00000002	/* May need R8000 prefetch patch.  */
  #define OHW_R5KEOP	0x00000004	/* R5000 end-of-page patch.  */
  #define OHW_R5KCVTL	0x00000008	/* R5000 cvt.[ds].l bug
  					   (clean == 1).  */
  #define OHW_R10KLDL	0x00000010	/* Needs R10K misaligned
  					   load patch. */
  
  /* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor.  */
  #define OGP_GROUP	0x0000ffff	/* GP group number.  */
  #define OGP_SELF	0xffff0000	/* Self-contained GP groups.  */
  
  /* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor.  */
  #define OHWA0_R4KEOP_CHECKED	0x00000001
  #define OHWA0_R4KEOP_CLEAN	0x00000002
  
  /* Values for the xxx_size bytes of an ABI flags structure.  */
  
  #define AFL_REG_NONE	     0x00	/* No registers.  */
  #define AFL_REG_32	     0x01	/* 32-bit registers.  */
  #define AFL_REG_64	     0x02	/* 64-bit registers.  */
  #define AFL_REG_128	     0x03	/* 128-bit registers.  */
  
  /* Masks for the ases word of an ABI flags structure.  */
  
  #define AFL_ASE_DSP          0x00000001 /* DSP ASE.  */
  #define AFL_ASE_DSPR2        0x00000002 /* DSP R2 ASE.  */
  #define AFL_ASE_EVA          0x00000004 /* Enhanced VA Scheme.  */
  #define AFL_ASE_MCU          0x00000008 /* MCU (MicroController) ASE.  */
  #define AFL_ASE_MDMX         0x00000010 /* MDMX ASE.  */
  #define AFL_ASE_MIPS3D       0x00000020 /* MIPS-3D ASE.  */
  #define AFL_ASE_MT           0x00000040 /* MT ASE.  */
  #define AFL_ASE_SMARTMIPS    0x00000080 /* SmartMIPS ASE.  */
  #define AFL_ASE_VIRT         0x00000100 /* VZ ASE.  */
  #define AFL_ASE_MSA          0x00000200 /* MSA ASE.  */
  #define AFL_ASE_MIPS16       0x00000400 /* MIPS16 ASE.  */
  #define AFL_ASE_MICROMIPS    0x00000800 /* MICROMIPS ASE.  */
  #define AFL_ASE_XPA          0x00001000 /* XPA ASE.  */
  #define AFL_ASE_DSPR3        0x00002000 /* DSP R3 ASE.  */
  #define AFL_ASE_MIPS16E2     0x00004000 /* MIPS16e2 ASE.  */
  #define AFL_ASE_CRC          0x00008000 /* CRC ASE.  */
  #define AFL_ASE_RESERVED1    0x00010000 /* Reserved by MIPS Tech for WIP.  */
  #define AFL_ASE_GINV         0x00020000 /* GINV ASE.  */
  #define AFL_ASE_LOONGSON_MMI 0x00040000 /* Loongson MMI ASE.  */
  #define AFL_ASE_LOONGSON_CAM 0x00080000 /* Loongson CAM ASE.  */
  #define AFL_ASE_LOONGSON_EXT 0x00100000 /* Loongson EXT instructions.  */
  #define AFL_ASE_LOONGSON_EXT2 0x00200000 /* Loongson EXT2 instructions.  */
  #define AFL_ASE_MASK         0x003effff /* All ASEs.  */
  
  /* Values for the isa_ext word of an ABI flags structure.  */
  
  #define AFL_EXT_XLR           1  /* RMI Xlr instruction.  */
  #define AFL_EXT_OCTEON2       2  /* Cavium Networks Octeon2.  */
  #define AFL_EXT_OCTEONP       3  /* Cavium Networks OcteonP.  */
  #define AFL_EXT_OCTEON        5  /* Cavium Networks Octeon.  */
  #define AFL_EXT_5900          6  /* MIPS R5900 instruction.  */
  #define AFL_EXT_4650          7  /* MIPS R4650 instruction.  */
  #define AFL_EXT_4010          8  /* LSI R4010 instruction.  */
  #define AFL_EXT_4100          9  /* NEC VR4100 instruction.  */
  #define AFL_EXT_3900         10  /* Toshiba R3900 instruction.  */
  #define AFL_EXT_10000        11  /* MIPS R10000 instruction.  */
  #define AFL_EXT_SB1          12  /* Broadcom SB-1 instruction.  */
  #define AFL_EXT_4111         13  /* NEC VR4111/VR4181 instruction.  */
  #define AFL_EXT_4120         14  /* NEC VR4120 instruction.  */
  #define AFL_EXT_5400         15  /* NEC VR5400 instruction.  */
  #define AFL_EXT_5500         16  /* NEC VR5500 instruction.  */
  #define AFL_EXT_LOONGSON_2E  17  /* ST Microelectronics Loongson 2E.  */
  #define AFL_EXT_LOONGSON_2F  18  /* ST Microelectronics Loongson 2F.  */
  #define AFL_EXT_OCTEON3      19  /* Cavium Networks Octeon3.  */
  #define AFL_EXT_INTERAPTIV_MR2 20  /* Imagination interAptiv MR2.  */
  
  /* Masks for the flags1 word of an ABI flags structure.  */
  #define AFL_FLAGS1_ODDSPREG   1	 /* Uses odd single-precision registers.  */
  
  extern unsigned int bfd_mips_isa_ext (bfd *);
  
  
  /* Object attribute tags.  */
  enum
  {
    /* 0-3 are generic.  */
  
    /* Floating-point ABI used by this object file.  */
    Tag_GNU_MIPS_ABI_FP = 4,
  
    /* MSA ABI used by this object file.  */
    Tag_GNU_MIPS_ABI_MSA = 8,
  };
  
  /* Object attribute values.  */
  enum
  {
    /* Values defined for Tag_GNU_MIPS_ABI_FP.  */
  
    /* Not tagged or not using any ABIs affected by the differences.  */
    Val_GNU_MIPS_ABI_FP_ANY = 0,
  
    /* Using hard-float -mdouble-float.  */
    Val_GNU_MIPS_ABI_FP_DOUBLE = 1,
  
    /* Using hard-float -msingle-float.  */
    Val_GNU_MIPS_ABI_FP_SINGLE = 2,
  
    /* Using soft-float.  */
    Val_GNU_MIPS_ABI_FP_SOFT = 3,
  
    /* Using -mips32r2 -mfp64.  */
    Val_GNU_MIPS_ABI_FP_OLD_64 = 4,
  
    /* Using -mfpxx */
    Val_GNU_MIPS_ABI_FP_XX = 5,
  
    /* Using -mips32r2 -mfp64.  */
    Val_GNU_MIPS_ABI_FP_64 = 6,
  
    /* Using -mips32r2 -mfp64 -mno-odd-spreg.  */
    Val_GNU_MIPS_ABI_FP_64A = 7,
  
    /* This is reserved for backward-compatibility with an earlier
       implementation of the MIPS NaN2008 functionality.  */
    Val_GNU_MIPS_ABI_FP_NAN2008 = 8,
  
    /* Values defined for Tag_GNU_MIPS_ABI_MSA.  */
  
    /* Not tagged or not using any ABIs affected by the differences.  */
    Val_GNU_MIPS_ABI_MSA_ANY = 0,
  
    /* Using 128-bit MSA.  */
    Val_GNU_MIPS_ABI_MSA_128 = 1,
  };
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* _ELF_MIPS_H */
  