/* 390 ELF support for BFD.
  Copyright (C) 2000-2024 Free Software Foundation, Inc.
  Contributed by Carl B. Pedersen and Martin Schwidefsky.

  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.  */

#ifndef _ELF_390_H
#define _ELF_390_H

/* Processor specific flags for the ELF header e_flags field.  */

/* Symbol types.  */

#define STACK_REG               15              /* Global Stack reg */
#define BACKL_REG               14              /* Global Backlink reg */
#define BASE_REG                13              /* Global Base reg */
#define GOT_REG                 12              /* Holds addr of GOT */

#include "elf/reloc-macros.h"

/* Processor specific flags for the ELF header e_flags field.  */

#define EF_S390_HIGH_GPRS        0x00000001

/* Request 4k page table size.  */
#define PT_S390_PGSTE (PT_LOPROC + 0)

/* Relocation types.  */

START_RELOC_NUMBERS (elf_s390_reloc_type)
   RELOC_NUMBER (R_390_NONE, 0)        /* No reloc.  */
   RELOC_NUMBER (R_390_8, 1)           /* Direct 8 bit.  */
   RELOC_NUMBER (R_390_12, 2)          /* Direct 12 bit.  */
   RELOC_NUMBER (R_390_16, 3)          /* Direct 16 bit.  */
   RELOC_NUMBER (R_390_32, 4)          /* Direct 32 bit.  */
   RELOC_NUMBER (R_390_PC32, 5)        /* PC relative 32 bit.  */
   RELOC_NUMBER (R_390_GOT12, 6)       /* 12 bit GOT offset.  */
   RELOC_NUMBER (R_390_GOT32, 7)       /* 32 bit GOT offset.  */
   RELOC_NUMBER (R_390_PLT32, 8)       /* 32 bit PC relative PLT address.  */
   RELOC_NUMBER (R_390_COPY, 9)        /* Copy symbol at runtime.  */
   RELOC_NUMBER (R_390_GLOB_DAT, 10)   /* Create GOT entry.  */
   RELOC_NUMBER (R_390_JMP_SLOT, 11)   /* Create PLT entry.  */
   RELOC_NUMBER (R_390_RELATIVE, 12)   /* Adjust by program base.  */
   RELOC_NUMBER (R_390_GOTOFF32, 13)   /* 32 bit offset to GOT.  */
   RELOC_NUMBER (R_390_GOTPC, 14)      /* 32 bit PC relative offset to GOT.  */
   RELOC_NUMBER (R_390_GOT16, 15)      /* 16 bit GOT offset.  */
   RELOC_NUMBER (R_390_PC16, 16)       /* PC relative 16 bit.  */
   RELOC_NUMBER (R_390_PC12DBL, 62)    /* PC relative 12 bit shifted by 1.  */
   RELOC_NUMBER (R_390_PLT12DBL, 63)   /* 12 bit PC rel. PLT shifted by 1.  */
   RELOC_NUMBER (R_390_PC16DBL, 17)    /* PC relative 16 bit shifted by 1.  */
   RELOC_NUMBER (R_390_PLT16DBL, 18)   /* 16 bit PC rel. PLT shifted by 1.  */
   RELOC_NUMBER (R_390_PC24DBL, 64)    /* PC relative 24 bit shifted by 1.  */
   RELOC_NUMBER (R_390_PLT24DBL, 65)   /* 24 bit PC rel. PLT shifted by 1.  */
   RELOC_NUMBER (R_390_PC32DBL, 19)    /* PC relative 32 bit shifted by 1.  */
   RELOC_NUMBER (R_390_PLT32DBL, 20)   /* 32 bit PC rel. PLT shifted by 1.  */
   RELOC_NUMBER (R_390_GOTPCDBL, 21)   /* 32 bit PC rel. GOT shifted by 1.  */
   RELOC_NUMBER (R_390_64, 22)         /* Direct 64 bit.  */
   RELOC_NUMBER (R_390_PC64, 23)       /* PC relative 64 bit.  */
   RELOC_NUMBER (R_390_GOT64, 24)      /* 64 bit GOT offset.  */
   RELOC_NUMBER (R_390_PLT64, 25)      /* 64 bit PC relative PLT address.  */
   RELOC_NUMBER (R_390_GOTENT, 26)     /* 32 bit PC rel. to GOT entry >> 1. */
   RELOC_NUMBER (R_390_GOTOFF16, 27)   /* 16 bit offset to GOT. */
   RELOC_NUMBER (R_390_GOTOFF64, 28)   /* 64 bit offset to GOT. */
   RELOC_NUMBER (R_390_GOTPLT12, 29)   /* 12 bit offset to jump slot.  */
   RELOC_NUMBER (R_390_GOTPLT16, 30)   /* 16 bit offset to jump slot.  */
   RELOC_NUMBER (R_390_GOTPLT32, 31)   /* 32 bit offset to jump slot.  */
   RELOC_NUMBER (R_390_GOTPLT64, 32)   /* 64 bit offset to jump slot.  */
   RELOC_NUMBER (R_390_GOTPLTENT, 33)  /* 32 bit rel. offset to jump slot.  */
   RELOC_NUMBER (R_390_PLTOFF16, 34)   /* 16 bit offset from GOT to PLT. */
   RELOC_NUMBER (R_390_PLTOFF32, 35)   /* 32 bit offset from GOT to PLT. */
   RELOC_NUMBER (R_390_PLTOFF64, 36)   /* 16 bit offset from GOT to PLT. */
   RELOC_NUMBER (R_390_TLS_LOAD, 37)   /* Tag for load insn in TLS code. */
   RELOC_NUMBER (R_390_TLS_GDCALL, 38) /* Tag for function call in general
                                          dynamic TLS code.  */
   RELOC_NUMBER (R_390_TLS_LDCALL, 39) /* Tag for function call in local
                                          dynamic TLS code.  */
   RELOC_NUMBER (R_390_TLS_GD32, 40)   /* Direct 32 bit for general dynamic
                                          thread local data.  */
   RELOC_NUMBER (R_390_TLS_GD64, 41)   /* Direct 64 bit for general dynamic
                                          thread local data.  */
   RELOC_NUMBER (R_390_TLS_GOTIE12, 42)/* 12 bit GOT offset for static TLS
                                          block offset.  */
   RELOC_NUMBER (R_390_TLS_GOTIE32, 43)/* 32 bit GOT offset for static TLS
                                          block offset.  */
   RELOC_NUMBER (R_390_TLS_GOTIE64, 44)/* 64 bit GOT offset for static TLS
                                          block offset.  */
   RELOC_NUMBER (R_390_TLS_LDM32, 45)  /* Direct 32 bit for local dynamic
                                          thread local data in LD code.  */
   RELOC_NUMBER (R_390_TLS_LDM64, 46)  /* Direct 64 bit for local dynamic
                                          thread local data in LD code.  */
   RELOC_NUMBER (R_390_TLS_IE32, 47)   /* 32 bit address of GOT entry for
                                          negated static TLS block offset.  */
   RELOC_NUMBER (R_390_TLS_IE64, 48)   /* 64 bit address of GOT entry for
                                          negated static TLS block offset.  */
   RELOC_NUMBER (R_390_TLS_IEENT, 49)  /* 32 bit rel. offset to GOT entry for
                                          negated static TLS block offset.  */
   RELOC_NUMBER (R_390_TLS_LE32, 50)   /* 32 bit negated offset relative to
                                          static TLS block.  */
   RELOC_NUMBER (R_390_TLS_LE64, 51)   /* 64 bit negated offset relative to
                                          static TLS block.  */
   RELOC_NUMBER (R_390_TLS_LDO32, 52)  /* 32 bit offset relative to TLS
                                          block.  */
   RELOC_NUMBER (R_390_TLS_LDO64, 53)  /* 64 bit offset relative to TLS
                                          block.  */
   RELOC_NUMBER (R_390_TLS_DTPMOD, 54) /* ID of module containing symbol.  */
   RELOC_NUMBER (R_390_TLS_DTPOFF, 55) /* Offset in TLS block.  */
   RELOC_NUMBER (R_390_TLS_TPOFF, 56)  /* Negate offset in static TLS
                                          block.  */
   RELOC_NUMBER (R_390_20, 57)         /* Direct 20 bit.  */
   RELOC_NUMBER (R_390_GOT20, 58)      /* 20 bit GOT offset.  */
   RELOC_NUMBER (R_390_GOTPLT20, 59)   /* 20 bit offset to jump slot.  */
   RELOC_NUMBER (R_390_TLS_GOTIE20, 60)/* 20 bit GOT offset for statis TLS
                                          block offset.  */
   RELOC_NUMBER (R_390_IRELATIVE, 61)  /* IFUNC relocation.  */
   /* These are GNU extensions to enable C++ vtable garbage collection.  */
   RELOC_NUMBER (R_390_GNU_VTINHERIT, 250)
   RELOC_NUMBER (R_390_GNU_VTENTRY, 251)
END_RELOC_NUMBERS (R_390_max)

/* Object attribute tags.  */
enum
{
 /* 0-3 are generic. */
 /* 4 is reserved for the FP ABI. */

 /* Vector ABI:
    0 = not affected by the vector ABI, or not tagged.
    1 = software vector ABI being used
    2 = hardware vector ABI being used.  */
 Tag_GNU_S390_ABI_Vector = 8,
};

#endif /* _ELF_390_H */