1 /* MSP430 ELF support for BFD. 2 Copyright (C) 2002-2024 Free Software Foundation, Inc. 3 Contributed by Dmitry Diky <diwil (at) mail.ru> 4 5 This file is part of BFD, the Binary File Descriptor library. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software Foundation, 19 Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 20 21 #ifndef _ELF_MSP430_H 22 #define _ELF_MSP430_H 23 24 #include "elf/reloc-macros.h" 25 26 /* Processor specific flags for the ELF header e_flags field. */ 27 #define EF_MSP430_MACH 0xff 28 29 #define E_MSP430_MACH_MSP430x11 11 30 #define E_MSP430_MACH_MSP430x11x1 110 31 #define E_MSP430_MACH_MSP430x12 12 32 #define E_MSP430_MACH_MSP430x13 13 33 #define E_MSP430_MACH_MSP430x14 14 34 #define E_MSP430_MACH_MSP430x15 15 35 #define E_MSP430_MACH_MSP430x16 16 36 #define E_MSP430_MACH_MSP430x20 20 37 #define E_MSP430_MACH_MSP430x22 22 38 #define E_MSP430_MACH_MSP430x23 23 39 #define E_MSP430_MACH_MSP430x24 24 40 #define E_MSP430_MACH_MSP430x26 26 41 #define E_MSP430_MACH_MSP430x31 31 42 #define E_MSP430_MACH_MSP430x32 32 43 #define E_MSP430_MACH_MSP430x33 33 44 #define E_MSP430_MACH_MSP430x41 41 45 #define E_MSP430_MACH_MSP430x42 42 46 #define E_MSP430_MACH_MSP430x43 43 47 #define E_MSP430_MACH_MSP430x44 44 48 #define E_MSP430_MACH_MSP430X 45 49 #define E_MSP430_MACH_MSP430x46 46 50 #define E_MSP430_MACH_MSP430x47 47 51 #define E_MSP430_MACH_MSP430x54 54 52 53 #define SHT_MSP430_ATTRIBUTES (SHT_LOPROC + 3)/* Section holds ABI attributes. */ 54 #define SHT_MSP430_SEC_FLAGS 0x7f000005 /* Holds TI compiler's section flags. */ 55 #define SHT_MSP430_SYM_ALIASES 0x7f000006 /* Holds TI compiler's symbol aliases. */ 56 57 /* Tag values for an attribute section. */ 58 #define OFBA_MSPABI_Tag_ISA 4 59 #define OFBA_MSPABI_Tag_Code_Model 6 60 #define OFBA_MSPABI_Tag_Data_Model 8 61 #define OFBA_MSPABI_Tag_enum_size 10 /* Unused by GNU. */ 62 63 /* GNU Object attribute tags. */ 64 enum 65 { 66 /* 0-3 are generic. */ 67 68 /* Define a GNU attribute for keeping track of whether the compiler has 69 generated code assuming that the upper region could be in use. 70 Added by the assembler based on the -mdata-region option. 71 This tag is ignored unless the large memory model is in use. */ 72 Tag_GNU_MSP430_Data_Region = 4, 73 }; 74 75 /* Object attribute values. */ 76 enum 77 { 78 /* Values defined for OFBA_MSPABI_Tag_ISA. */ 79 OFBA_MSPABI_Val_ISA_NONE = 0, 80 OFBA_MSPABI_Val_ISA_MSP430 = 1, 81 OFBA_MSPABI_Val_ISA_MSP430X = 2, 82 83 /* Values defined for OFBA_MSPABI_Tag_Code_Model. */ 84 OFBA_MSPABI_Val_Code_Model_NONE = 0, 85 OFBA_MSPABI_Val_Code_Model_SMALL = 1, 86 OFBA_MSPABI_Val_Code_Model_LARGE = 2, 87 88 /* Values defined for OFBA_MSPABI_Tag_Data_Model. */ 89 OFBA_MSPABI_Val_Data_Model_NONE = 0, 90 OFBA_MSPABI_Val_Data_Model_SMALL = 1, 91 OFBA_MSPABI_Val_Data_Model_LARGE = 2, 92 OFBA_MSPABI_Val_Data_Model_RESTRICTED = 3, /* Unused by GNU. */ 93 94 /* Values defined for Tag_GNU_MSP430_Data_Region. */ 95 Val_GNU_MSP430_Data_Region_NONE = 0, 96 /* The default data region. Assumes all data is below address 0x10000. */ 97 Val_GNU_MSP430_Data_Region_Lower = 1, 98 /* Set if -mdata-region={none,upper,either}. Assumes 99 data could be placed at or above address 0x10000. */ 100 Val_GNU_MSP430_Data_Region_Any = 2, 101 }; 102 103 /* Relocations. */ 104 START_RELOC_NUMBERS (elf_msp430_reloc_type) 105 RELOC_NUMBER (R_MSP430_NONE, 0) 106 RELOC_NUMBER (R_MSP430_32, 1) 107 RELOC_NUMBER (R_MSP430_10_PCREL, 2) 108 RELOC_NUMBER (R_MSP430_16, 3) 109 RELOC_NUMBER (R_MSP430_16_PCREL, 4) 110 RELOC_NUMBER (R_MSP430_16_BYTE, 5) 111 RELOC_NUMBER (R_MSP430_16_PCREL_BYTE, 6) 112 RELOC_NUMBER (R_MSP430_2X_PCREL, 7) 113 RELOC_NUMBER (R_MSP430_RL_PCREL, 8) 114 RELOC_NUMBER (R_MSP430_8, 9) 115 RELOC_NUMBER (R_MSP430_SYM_DIFF, 10) 116 RELOC_NUMBER (R_MSP430_GNU_SET_ULEB128, 11) /* GNU only. */ 117 RELOC_NUMBER (R_MSP430_GNU_SUB_ULEB128, 12) /* GNU only. */ 118 END_RELOC_NUMBERS (R_MSP430_max) 119 120 START_RELOC_NUMBERS (elf_msp430x_reloc_type) 121 RELOC_NUMBER (R_MSP430_ABS32, 1) /* aka R_MSP430_32 */ 122 RELOC_NUMBER (R_MSP430_ABS16, 2) /* aka R_MSP430_16 */ 123 RELOC_NUMBER (R_MSP430_ABS8, 3) 124 RELOC_NUMBER (R_MSP430_PCR16, 4) /* aka R_MSP430_16_PCREL */ 125 RELOC_NUMBER (R_MSP430X_PCR20_EXT_SRC, 5) 126 RELOC_NUMBER (R_MSP430X_PCR20_EXT_DST, 6) 127 RELOC_NUMBER (R_MSP430X_PCR20_EXT_ODST, 7) 128 RELOC_NUMBER (R_MSP430X_ABS20_EXT_SRC, 8) 129 RELOC_NUMBER (R_MSP430X_ABS20_EXT_DST, 9) 130 RELOC_NUMBER (R_MSP430X_ABS20_EXT_ODST, 10) 131 RELOC_NUMBER (R_MSP430X_ABS20_ADR_SRC, 11) 132 RELOC_NUMBER (R_MSP430X_ABS20_ADR_DST, 12) 133 RELOC_NUMBER (R_MSP430X_PCR16, 13) /* Like R_MSP430_PCR16 but with overflow checking. */ 134 RELOC_NUMBER (R_MSP430X_PCR20_CALL, 14) 135 RELOC_NUMBER (R_MSP430X_ABS16, 15) /* Like R_MSP430_ABS16 but with overflow checking. */ 136 RELOC_NUMBER (R_MSP430_ABS_HI16, 16) 137 RELOC_NUMBER (R_MSP430_PREL31, 17) 138 RELOC_NUMBER (R_MSP430_EHTYPE, 18) /* Mentioned in ABI. */ 139 RELOC_NUMBER (R_MSP430X_10_PCREL, 19) /* Red Hat invention. Used for Jump instructions. */ 140 RELOC_NUMBER (R_MSP430X_2X_PCREL, 20) /* Red Hat invention. Used for relaxing jumps. */ 141 RELOC_NUMBER (R_MSP430X_SYM_DIFF, 21) /* Red Hat invention. Used for relaxing debug info. */ 142 RELOC_NUMBER (R_MSP430X_GNU_SET_ULEB128, 22) /* GNU only. */ 143 RELOC_NUMBER (R_MSP430X_GNU_SUB_ULEB128, 23) /* GNU only. */ 144 END_RELOC_NUMBERS (R_MSP430x_max) 145 146 #endif /* _ELF_MSP430_H */ 147
Indexes created Sat Feb 28 05:31:39 UTC 2026