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/* 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 (SHT_LOPROC + 3)/* 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 */
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