binutils-gdb/include/elf/bfin.h

/* Blackfin ELF support for BFD.
   Copyright (C) 2005-2022 Free Software Foundation, Inc.

   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_BFIN_H
#define _ELF_BFIN_H

#include "elf/reloc-macros.h"

START_RELOC_NUMBERS (elf_bfin_reloc_type)
  RELOC_NUMBER (R_BFIN_UNUSED0, 0x00)          /* relocation type 0 is not defined */
  RELOC_NUMBER (R_BFIN_PCREL5M2, 0x01)         /* LSETUP part a */
  RELOC_NUMBER (R_BFIN_UNUSED1, 0x02)          /* relocation type 2 is not defined */
  RELOC_NUMBER (R_BFIN_PCREL10, 0x03)          /* type 3, 0x00) if cc jump <target> */
  RELOC_NUMBER (R_BFIN_PCREL12_JUMP, 0x04)     /* type 4, 0x00) jump <target> */
  RELOC_NUMBER (R_BFIN_RIMM16, 0x05)           /* type 0x5, 0x00) rN = <target> */
  RELOC_NUMBER (R_BFIN_LUIMM16, 0x06)          /* # 0x6, 0x00) preg.l=<target> Load imm 16 to lower half */
  RELOC_NUMBER (R_BFIN_HUIMM16, 0x07)          /* # 0x7, 0x00) preg.h=<target> Load imm 16 to upper half */
  RELOC_NUMBER (R_BFIN_PCREL12_JUMP_S, 0x08)   /* # 0x8 jump.s <target> */
  RELOC_NUMBER (R_BFIN_PCREL24_JUMP_X, 0x09)   /* # 0x9 jump.x <target> */
  RELOC_NUMBER (R_BFIN_PCREL24, 0x0a)          /* # 0xa call <target> , 0x00) not expandable */
  RELOC_NUMBER (R_BFIN_UNUSEDB, 0x0b)          /* # 0xb not generated */
  RELOC_NUMBER (R_BFIN_UNUSEDC, 0x0c)          /* # 0xc  not used */
  RELOC_NUMBER (R_BFIN_PCREL24_JUMP_L, 0x0d)   /* 0xd jump.l <target> */
  RELOC_NUMBER (R_BFIN_PCREL24_CALL_X, 0x0e)   /* 0xE, 0x00) call.x <target> if <target> is above 24 bit limit call through P1 */
  RELOC_NUMBER (R_BFIN_VAR_EQ_SYMB, 0x0f)      /* 0xf, 0x00) linker should treat it same as 0x12 */
  RELOC_NUMBER (R_BFIN_BYTE_DATA, 0x10)        /* 0x10, 0x00) .byte var = symbol */
  RELOC_NUMBER (R_BFIN_BYTE2_DATA, 0x11)       /* 0x11, 0x00) .byte2 var = symbol */
  RELOC_NUMBER (R_BFIN_BYTE4_DATA, 0x12)       /* 0x12, 0x00) .byte4 var = symbol and .var var=symbol */
  RELOC_NUMBER (R_BFIN_PCREL11, 0x13)          /* 0x13, 0x00) lsetup part b */
  RELOC_NUMBER (R_BFIN_GOT17M4, 0x14)
  RELOC_NUMBER (R_BFIN_GOTHI, 0x15)
  RELOC_NUMBER (R_BFIN_GOTLO, 0x16)
  RELOC_NUMBER (R_BFIN_FUNCDESC, 0x17)
  RELOC_NUMBER (R_BFIN_FUNCDESC_GOT17M4, 0x18)
  RELOC_NUMBER (R_BFIN_FUNCDESC_GOTHI, 0x19)
  RELOC_NUMBER (R_BFIN_FUNCDESC_GOTLO, 0x1a)
  RELOC_NUMBER (R_BFIN_FUNCDESC_VALUE, 0x1b)
  RELOC_NUMBER (R_BFIN_FUNCDESC_GOTOFF17M4, 0x1c)
  RELOC_NUMBER (R_BFIN_FUNCDESC_GOTOFFHI, 0x1d)
  RELOC_NUMBER (R_BFIN_FUNCDESC_GOTOFFLO, 0x1e)
  RELOC_NUMBER (R_BFIN_GOTOFF17M4, 0x1f)
  RELOC_NUMBER (R_BFIN_GOTOFFHI, 0x20)
  RELOC_NUMBER (R_BFIN_GOTOFFLO, 0x21)

  RELOC_NUMBER (R_BFIN_PUSH, 0xE0)
  RELOC_NUMBER (R_BFIN_CONST, 0xE1)
  RELOC_NUMBER (R_BFIN_ADD, 0xE2)
  RELOC_NUMBER (R_BFIN_SUB, 0xE3)
  RELOC_NUMBER (R_BFIN_MULT, 0xE4)
  RELOC_NUMBER (R_BFIN_DIV, 0xE5)
  RELOC_NUMBER (R_BFIN_MOD, 0xE6)
  RELOC_NUMBER (R_BFIN_LSHIFT, 0xE7)
  RELOC_NUMBER (R_BFIN_RSHIFT, 0xE8)
  RELOC_NUMBER (R_BFIN_AND, 0xE9)
  RELOC_NUMBER (R_BFIN_OR, 0xEA)
  RELOC_NUMBER (R_BFIN_XOR, 0xEB)
  RELOC_NUMBER (R_BFIN_LAND, 0xEC)
  RELOC_NUMBER (R_BFIN_LOR, 0xED)
  RELOC_NUMBER (R_BFIN_LEN, 0xEE)
  RELOC_NUMBER (R_BFIN_NEG, 0xEF)
  RELOC_NUMBER (R_BFIN_COMP, 0xF0)
  RELOC_NUMBER (R_BFIN_PAGE, 0xF1)
  RELOC_NUMBER (R_BFIN_HWPAGE, 0xF2)
  RELOC_NUMBER (R_BFIN_ADDR, 0xF3)
  RELOC_NUMBER (R_BFIN_PLTPC, 0x40)         /* PLT gnu only relocation */
  RELOC_NUMBER (R_BFIN_GOT, 0x41)           /* GOT gnu only relocation */
  RELOC_NUMBER (R_BFIN_GNU_VTINHERIT, 0x42) /* C++, gnu only */
  RELOC_NUMBER (R_BFIN_GNU_VTENTRY, 0x43) /* C++, gnu only */
END_RELOC_NUMBERS (R_BFIN_max)

/* Processor specific flags for the ELF header e_flags field.  */
#define EF_BFIN_PIC		0x00000001	/* -fpic */
#define EF_BFIN_FDPIC		0x00000002      /* -mfdpic */

#define EF_BFIN_CODE_IN_L1	0x00000010	/* --code-in-l1 */
#define EF_BFIN_DATA_IN_L1	0x00000020	/* --data-in-l1 */

#define	EF_BFIN_PIC_FLAGS	(EF_BFIN_PIC | EF_BFIN_FDPIC)
#endif /* _ELF_BFIN_H */