Commit | Line | Data |
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40b36596 | 1 | /* TI C6X ELF support for BFD. |
ac145307 | 2 | Copyright 2010, 2011 |
40b36596 JM |
3 | Free Software Foundation, Inc. |
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 | |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
20 | MA 02110-1301, USA. */ | |
21 | ||
22 | #ifndef _ELF_TIC6X_H | |
23 | #define _ELF_TIC6X_H | |
24 | ||
25 | #include "elf/reloc-macros.h" | |
26 | ||
27 | /* Relocation types. */ | |
28 | START_RELOC_NUMBERS (elf_tic6x_reloc_type) | |
29 | RELOC_NUMBER (R_C6000_NONE, 0) | |
30 | RELOC_NUMBER (R_C6000_ABS32, 1) | |
31 | RELOC_NUMBER (R_C6000_ABS16, 2) | |
32 | RELOC_NUMBER (R_C6000_ABS8, 3) | |
33 | RELOC_NUMBER (R_C6000_PCR_S21, 4) | |
34 | RELOC_NUMBER (R_C6000_PCR_S12, 5) | |
35 | RELOC_NUMBER (R_C6000_PCR_S10, 6) | |
36 | RELOC_NUMBER (R_C6000_PCR_S7, 7) | |
37 | RELOC_NUMBER (R_C6000_ABS_S16, 8) | |
38 | RELOC_NUMBER (R_C6000_ABS_L16, 9) | |
39 | RELOC_NUMBER (R_C6000_ABS_H16, 10) | |
40 | RELOC_NUMBER (R_C6000_SBR_U15_B, 11) | |
41 | RELOC_NUMBER (R_C6000_SBR_U15_H, 12) | |
42 | RELOC_NUMBER (R_C6000_SBR_U15_W, 13) | |
43 | RELOC_NUMBER (R_C6000_SBR_S16, 14) | |
44 | RELOC_NUMBER (R_C6000_SBR_L16_B, 15) | |
45 | RELOC_NUMBER (R_C6000_SBR_L16_H, 16) | |
46 | RELOC_NUMBER (R_C6000_SBR_L16_W, 17) | |
47 | RELOC_NUMBER (R_C6000_SBR_H16_B, 18) | |
48 | RELOC_NUMBER (R_C6000_SBR_H16_H, 19) | |
49 | RELOC_NUMBER (R_C6000_SBR_H16_W, 20) | |
50 | RELOC_NUMBER (R_C6000_SBR_GOT_U15_W, 21) | |
51 | RELOC_NUMBER (R_C6000_SBR_GOT_L16_W, 22) | |
52 | RELOC_NUMBER (R_C6000_SBR_GOT_H16_W, 23) | |
53 | RELOC_NUMBER (R_C6000_DSBT_INDEX, 24) | |
54 | RELOC_NUMBER (R_C6000_PREL31, 25) | |
55 | RELOC_NUMBER (R_C6000_COPY, 26) | |
ac145307 BS |
56 | RELOC_NUMBER (R_C6000_JUMP_SLOT, 27) |
57 | RELOC_NUMBER (R_C6000_EHTYPE, 28) | |
58 | RELOC_NUMBER (R_C6000_PCR_H16, 29) | |
59 | RELOC_NUMBER (R_C6000_PCR_L16, 30) | |
40b36596 JM |
60 | RELOC_NUMBER (R_C6000_ALIGN, 253) |
61 | RELOC_NUMBER (R_C6000_FPHEAD, 254) | |
62 | RELOC_NUMBER (R_C6000_NOCMP, 255) | |
63 | END_RELOC_NUMBERS (R_TIC6X_max) | |
64 | ||
65 | /* Processor-specific flags. */ | |
66 | ||
67 | /* File contains static relocation information. */ | |
68 | #define EF_C6000_REL 0x1 | |
69 | ||
70 | /* Processor-specific section types. */ | |
71 | ||
72 | /* Unwind function table for stack unwinding. */ | |
73 | #define SHT_C6000_UNWIND 0x70000001 | |
74 | ||
75 | /* DLL dynamic linking pre-emption map. */ | |
76 | #define SHT_C6000_PREEMPTMAP 0x70000002 | |
77 | ||
78 | /* Object file compatibility attributes. */ | |
79 | #define SHT_C6000_ATTRIBUTES 0x70000003 | |
80 | ||
81 | /* Intermediate code for link-time optimization. */ | |
82 | #define SHT_TI_ICODE 0x7F000000 | |
83 | ||
84 | /* Symbolic cross reference information. */ | |
85 | #define SHT_TI_XREF 0x7F000001 | |
86 | ||
87 | /* Reserved. */ | |
88 | #define SHT_TI_HANDLER 0x7F000002 | |
89 | ||
90 | /* Compressed data for initializing C variables. */ | |
91 | #define SHT_TI_INITINFO 0x7F000003 | |
92 | ||
93 | /* Extended program header attributes. */ | |
94 | #define SHT_TI_PHATTRS 0x7F000004 | |
95 | ||
ac145307 BS |
96 | /* Processor specific section indices. These sections do not actually |
97 | exist. Symbols with a st_shndx field corresponding to one of these | |
98 | values have a special meaning. */ | |
99 | ||
100 | /* Small data area common symbol. */ | |
101 | #define SHN_TIC6X_SCOMMON SHN_LORESERVE | |
102 | ||
40b36596 JM |
103 | /* Processor-specific segment types. */ |
104 | ||
105 | /* Extended Segment Attributes. */ | |
106 | #define PT_C6000_PHATTR 0x70000000 | |
107 | ||
108 | /* Processor-specific dynamic tags. */ | |
109 | ||
110 | /* Undocumented. */ | |
111 | #define DT_C6000_GSYM_OFFSET 0x6000000D | |
112 | ||
113 | /* Undocumented. */ | |
114 | #define DT_C6000_GSTR_OFFSET 0x6000000F | |
115 | ||
116 | /* Statically linked base address of data segment. */ | |
117 | #define DT_C6000_DSBT_BASE 0x70000000 | |
118 | ||
119 | /* Number of entries in this module's DSBT. */ | |
120 | #define DT_C6000_DSBT_SIZE 0x70000001 | |
121 | ||
122 | /* Undocumented. */ | |
123 | #define DT_C6000_PREEMPTMAP 0x70000002 | |
124 | ||
125 | /* The hard-coded DSBT index for this module, if any. */ | |
126 | #define DT_C6000_DSBT_INDEX 0x70000003 | |
127 | ||
128 | /* Extended program header attributes. */ | |
129 | ||
130 | /* Terminate a segment. */ | |
131 | #define PHA_NULL 0x0 | |
132 | ||
133 | /* Segment's address bound to the final address. */ | |
134 | #define PHA_BOUND 0x1 | |
135 | ||
136 | /* Segment cannot be further relocated. */ | |
137 | #define PHA_READONLY 0x2 | |
138 | ||
59e6276b JM |
139 | /* Build attributes. */ |
140 | enum | |
141 | { | |
142 | #define TAG(tag, value) tag = value, | |
143 | #include "elf/tic6x-attrs.h" | |
144 | #undef TAG | |
145 | Tag_C6XABI_last | |
146 | }; | |
147 | ||
75fa6dc1 JM |
148 | /* Values for Tag_ISA. GNU-specific names; the ABI does not specify |
149 | names for these values. */ | |
59e6276b JM |
150 | enum |
151 | { | |
75fa6dc1 JM |
152 | C6XABI_Tag_ISA_none = 0, |
153 | C6XABI_Tag_ISA_C62X = 1, | |
154 | C6XABI_Tag_ISA_C67X = 3, | |
155 | C6XABI_Tag_ISA_C67XP = 4, | |
156 | C6XABI_Tag_ISA_C64X = 6, | |
157 | C6XABI_Tag_ISA_C64XP = 7, | |
158 | C6XABI_Tag_ISA_C674X = 8 | |
59e6276b JM |
159 | }; |
160 | ||
1bce6bd8 PB |
161 | /* Special section names. */ |
162 | #define ELF_STRING_C6000_unwind ".c6xabi.exidx" | |
163 | #define ELF_STRING_C6000_unwind_info ".c6xabi.extab" | |
164 | #define ELF_STRING_C6000_unwind_once ".gnu.linkonce.c6xabi.exidx." | |
165 | #define ELF_STRING_C6000_unwind_info_once ".gnu.linkonce.c6xabi.extab." | |
166 | ||
40b36596 | 167 | #endif /* _ELF_TIC6X_H */ |