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2469cfa2 | 1 | /* MSP430 ELF support for BFD. |
b3adc24a | 2 | Copyright (C) 2002-2020 Free Software Foundation, Inc. |
2469cfa2 NC |
3 | Contributed by Dmitry Diky <diwil@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 | |
e4e42b45 | 9 | the Free Software Foundation; either version 3 of the License, or |
2469cfa2 NC |
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 | |
e4e42b45 NC |
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. */ | |
2469cfa2 NC |
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 | ||
2469cfa2 | 29 | #define E_MSP430_MACH_MSP430x11 11 |
3b260895 | 30 | #define E_MSP430_MACH_MSP430x11x1 110 |
2469cfa2 NC |
31 | #define E_MSP430_MACH_MSP430x12 12 |
32 | #define E_MSP430_MACH_MSP430x13 13 | |
33 | #define E_MSP430_MACH_MSP430x14 14 | |
3b260895 NC |
34 | #define E_MSP430_MACH_MSP430x15 15 |
35 | #define E_MSP430_MACH_MSP430x16 16 | |
13761a11 NC |
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 | |
2469cfa2 NC |
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 | |
3b260895 | 45 | #define E_MSP430_MACH_MSP430x42 42 |
2469cfa2 NC |
46 | #define E_MSP430_MACH_MSP430x43 43 |
47 | #define E_MSP430_MACH_MSP430x44 44 | |
13761a11 NC |
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 0x70000003 /* 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 | |
c0ea7c52 JL |
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 | }; | |
2469cfa2 NC |
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) | |
b18c562e NC |
112 | RELOC_NUMBER (R_MSP430_2X_PCREL, 7) |
113 | RELOC_NUMBER (R_MSP430_RL_PCREL, 8) | |
13761a11 NC |
114 | RELOC_NUMBER (R_MSP430_8, 9) |
115 | RELOC_NUMBER (R_MSP430_SYM_DIFF, 10) | |
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116 | END_RELOC_NUMBERS (R_MSP430_max) |
117 | ||
13761a11 NC |
118 | START_RELOC_NUMBERS (elf_msp430x_reloc_type) |
119 | RELOC_NUMBER (R_MSP430_ABS32, 1) /* aka R_MSP430_32 */ | |
120 | RELOC_NUMBER (R_MSP430_ABS16, 2) /* aka R_MSP430_16 */ | |
121 | RELOC_NUMBER (R_MSP430_ABS8, 3) | |
122 | RELOC_NUMBER (R_MSP430_PCR16, 4) /* aka R_MSP430_16_PCREL */ | |
123 | RELOC_NUMBER (R_MSP430X_PCR20_EXT_SRC, 5) | |
124 | RELOC_NUMBER (R_MSP430X_PCR20_EXT_DST, 6) | |
125 | RELOC_NUMBER (R_MSP430X_PCR20_EXT_ODST, 7) | |
126 | RELOC_NUMBER (R_MSP430X_ABS20_EXT_SRC, 8) | |
127 | RELOC_NUMBER (R_MSP430X_ABS20_EXT_DST, 9) | |
128 | RELOC_NUMBER (R_MSP430X_ABS20_EXT_ODST, 10) | |
129 | RELOC_NUMBER (R_MSP430X_ABS20_ADR_SRC, 11) | |
130 | RELOC_NUMBER (R_MSP430X_ABS20_ADR_DST, 12) | |
131 | RELOC_NUMBER (R_MSP430X_PCR16, 13) /* Like R_MSP430_PCR16 but with overflow checking. */ | |
132 | RELOC_NUMBER (R_MSP430X_PCR20_CALL, 14) | |
133 | RELOC_NUMBER (R_MSP430X_ABS16, 15) /* Like R_MSP430_ABS16 but with overflow checking. */ | |
134 | RELOC_NUMBER (R_MSP430_ABS_HI16, 16) | |
135 | RELOC_NUMBER (R_MSP430_PREL31, 17) | |
136 | RELOC_NUMBER (R_MSP430_EHTYPE, 18) /* Mentioned in ABI. */ | |
137 | RELOC_NUMBER (R_MSP430X_10_PCREL, 19) /* Red Hat invention. Used for Jump instructions. */ | |
138 | RELOC_NUMBER (R_MSP430X_2X_PCREL, 20) /* Red Hat invention. Used for relaxing jumps. */ | |
139 | RELOC_NUMBER (R_MSP430X_SYM_DIFF, 21) /* Red Hat invention. Used for relaxing debug info. */ | |
140 | END_RELOC_NUMBERS (R_MSP430x_max) | |
141 | ||
2469cfa2 | 142 | #endif /* _ELF_MSP430_H */ |