/* MSP430 ELF support for BFD.

   Copyright (C) 2002-2024 Free Software Foundation, Inc.

   Contributed by Dmitry Diky <diwil@mail.ru>

   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_MSP430_H

#define _ELF_MSP430_H

#include "elf/reloc-macros.h"

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

#define EF_MSP430_MACH    0xff

#define E_MSP430_MACH_MSP430x11  11

#define E_MSP430_MACH_MSP430x11x1  110

#define E_MSP430_MACH_MSP430x12  12

#define E_MSP430_MACH_MSP430x13  13

#define E_MSP430_MACH_MSP430x14  14

#define E_MSP430_MACH_MSP430x15  15

#define E_MSP430_MACH_MSP430x16  16

#define E_MSP430_MACH_MSP430x20  20

#define E_MSP430_MACH_MSP430x22  22

#define E_MSP430_MACH_MSP430x23  23

#define E_MSP430_MACH_MSP430x24  24

#define E_MSP430_MACH_MSP430x26  26

#define E_MSP430_MACH_MSP430x31  31

#define E_MSP430_MACH_MSP430x32  32

#define E_MSP430_MACH_MSP430x33  33

#define E_MSP430_MACH_MSP430x41  41

#define E_MSP430_MACH_MSP430x42  42

#define E_MSP430_MACH_MSP430x43  43

#define E_MSP430_MACH_MSP430x44  44

#define E_MSP430_MACH_MSP430X    45

#define E_MSP430_MACH_MSP430x46  46

#define E_MSP430_MACH_MSP430x47  47

#define E_MSP430_MACH_MSP430x54  54

#define SHT_MSP430_ATTRIBUTES 0x70000003  /* Section holds ABI attributes.  */

#define SHT_MSP430_SEC_FLAGS  0x7f000005  /* Holds TI compiler's section flags.  */

#define SHT_MSP430_SYM_ALIASES  0x7f000006  /* Holds TI compiler's symbol aliases.  */

/* Tag values for an attribute section.  */

#define OFBA_MSPABI_Tag_ISA   4

#define OFBA_MSPABI_Tag_Code_Model  6

#define OFBA_MSPABI_Tag_Data_Model  8

#define OFBA_MSPABI_Tag_enum_size 10  /* Unused by GNU.  */

/* GNU Object attribute tags.  */

enum

{

  /* 0-3 are generic.  */

  /* Define a GNU attribute for keeping track of whether the compiler has

     generated code assuming that the upper region could be in use.

     Added by the assembler based on the -mdata-region option.

     This tag is ignored unless the large memory model is in use.  */

  Tag_GNU_MSP430_Data_Region = 4,

};

/* Object attribute values.  */

enum

{

  /* Values defined for OFBA_MSPABI_Tag_ISA.  */

  OFBA_MSPABI_Val_ISA_NONE = 0,

  OFBA_MSPABI_Val_ISA_MSP430 = 1,

  OFBA_MSPABI_Val_ISA_MSP430X = 2,

  /* Values defined for OFBA_MSPABI_Tag_Code_Model.  */

  OFBA_MSPABI_Val_Code_Model_NONE = 0,

  OFBA_MSPABI_Val_Code_Model_SMALL = 1,

  OFBA_MSPABI_Val_Code_Model_LARGE = 2,

  /* Values defined for OFBA_MSPABI_Tag_Data_Model.  */

  OFBA_MSPABI_Val_Data_Model_NONE = 0,

  OFBA_MSPABI_Val_Data_Model_SMALL = 1,

  OFBA_MSPABI_Val_Data_Model_LARGE = 2,

  OFBA_MSPABI_Val_Data_Model_RESTRICTED = 3,  /* Unused by GNU.  */

  /* Values defined for Tag_GNU_MSP430_Data_Region.  */

  Val_GNU_MSP430_Data_Region_NONE = 0,

  /* The default data region.  Assumes all data is below address 0x10000.  */

  Val_GNU_MSP430_Data_Region_Lower = 1,

  /* Set if -mdata-region={none,upper,either}.  Assumes

     data could be placed at or above address 0x10000.  */

  Val_GNU_MSP430_Data_Region_Any = 2,

};

/* Relocations.  */

START_RELOC_NUMBERS (elf_msp430_reloc_type)

     RELOC_NUMBER (R_MSP430_NONE,    0)

     RELOC_NUMBER (R_MSP430_32,      1)

     RELOC_NUMBER (R_MSP430_10_PCREL,    2)

     RELOC_NUMBER (R_MSP430_16,    3)

     RELOC_NUMBER (R_MSP430_16_PCREL,    4)

     RELOC_NUMBER (R_MSP430_16_BYTE,     5)

     RELOC_NUMBER (R_MSP430_16_PCREL_BYTE,   6)

     RELOC_NUMBER (R_MSP430_2X_PCREL,    7)

     RELOC_NUMBER (R_MSP430_RL_PCREL,    8)

     RELOC_NUMBER (R_MSP430_8,     9)

     RELOC_NUMBER (R_MSP430_SYM_DIFF,    10)

     RELOC_NUMBER (R_MSP430_GNU_SET_ULEB128, 11) /* GNU only.  */

     RELOC_NUMBER (R_MSP430_GNU_SUB_ULEB128, 12) /* GNU only.  */

END_RELOC_NUMBERS (R_MSP430_max)

START_RELOC_NUMBERS (elf_msp430x_reloc_type)

     RELOC_NUMBER (R_MSP430_ABS32, 1)    /* aka R_MSP430_32 */

     RELOC_NUMBER (R_MSP430_ABS16, 2)    /* aka R_MSP430_16 */

     RELOC_NUMBER (R_MSP430_ABS8, 3)

     RELOC_NUMBER (R_MSP430_PCR16, 4)    /* aka R_MSP430_16_PCREL */

     RELOC_NUMBER (R_MSP430X_PCR20_EXT_SRC, 5)

     RELOC_NUMBER (R_MSP430X_PCR20_EXT_DST, 6)

     RELOC_NUMBER (R_MSP430X_PCR20_EXT_ODST, 7)

     RELOC_NUMBER (R_MSP430X_ABS20_EXT_SRC, 8)

     RELOC_NUMBER (R_MSP430X_ABS20_EXT_DST, 9)

     RELOC_NUMBER (R_MSP430X_ABS20_EXT_ODST, 10)

     RELOC_NUMBER (R_MSP430X_ABS20_ADR_SRC, 11)

     RELOC_NUMBER (R_MSP430X_ABS20_ADR_DST, 12)

     RELOC_NUMBER (R_MSP430X_PCR16, 13)    /* Like R_MSP430_PCR16 but with overflow checking.  */

     RELOC_NUMBER (R_MSP430X_PCR20_CALL, 14)

     RELOC_NUMBER (R_MSP430X_ABS16, 15)    /* Like R_MSP430_ABS16 but with overflow checking.  */

     RELOC_NUMBER (R_MSP430_ABS_HI16, 16)

     RELOC_NUMBER (R_MSP430_PREL31, 17)

     RELOC_NUMBER (R_MSP430_EHTYPE, 18)    /* Mentioned in ABI.  */

     RELOC_NUMBER (R_MSP430X_10_PCREL, 19) /* Red Hat invention.  Used for Jump instructions.  */

     RELOC_NUMBER (R_MSP430X_2X_PCREL, 20) /* Red Hat invention.  Used for relaxing jumps.  */

     RELOC_NUMBER (R_MSP430X_SYM_DIFF, 21) /* Red Hat invention.  Used for relaxing debug info.  */

     RELOC_NUMBER (R_MSP430X_GNU_SET_ULEB128, 22) /* GNU only.  */

     RELOC_NUMBER (R_MSP430X_GNU_SUB_ULEB128, 23) /* GNU only.  */

END_RELOC_NUMBERS (R_MSP430x_max)

#endif /* _ELF_MSP430_H */