1 /* TI C6X ELF support for BFD.
2 Copyright (C) 2010-2016 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
24 #include "elf/reloc-macros.h"
26 /* Relocation types. */
27 START_RELOC_NUMBERS (elf_tic6x_reloc_type
)
28 RELOC_NUMBER (R_C6000_NONE
, 0)
29 RELOC_NUMBER (R_C6000_ABS32
, 1)
30 RELOC_NUMBER (R_C6000_ABS16
, 2)
31 RELOC_NUMBER (R_C6000_ABS8
, 3)
32 RELOC_NUMBER (R_C6000_PCR_S21
, 4)
33 RELOC_NUMBER (R_C6000_PCR_S12
, 5)
34 RELOC_NUMBER (R_C6000_PCR_S10
, 6)
35 RELOC_NUMBER (R_C6000_PCR_S7
, 7)
36 RELOC_NUMBER (R_C6000_ABS_S16
, 8)
37 RELOC_NUMBER (R_C6000_ABS_L16
, 9)
38 RELOC_NUMBER (R_C6000_ABS_H16
, 10)
39 RELOC_NUMBER (R_C6000_SBR_U15_B
, 11)
40 RELOC_NUMBER (R_C6000_SBR_U15_H
, 12)
41 RELOC_NUMBER (R_C6000_SBR_U15_W
, 13)
42 RELOC_NUMBER (R_C6000_SBR_S16
, 14)
43 RELOC_NUMBER (R_C6000_SBR_L16_B
, 15)
44 RELOC_NUMBER (R_C6000_SBR_L16_H
, 16)
45 RELOC_NUMBER (R_C6000_SBR_L16_W
, 17)
46 RELOC_NUMBER (R_C6000_SBR_H16_B
, 18)
47 RELOC_NUMBER (R_C6000_SBR_H16_H
, 19)
48 RELOC_NUMBER (R_C6000_SBR_H16_W
, 20)
49 RELOC_NUMBER (R_C6000_SBR_GOT_U15_W
, 21)
50 RELOC_NUMBER (R_C6000_SBR_GOT_L16_W
, 22)
51 RELOC_NUMBER (R_C6000_SBR_GOT_H16_W
, 23)
52 RELOC_NUMBER (R_C6000_DSBT_INDEX
, 24)
53 RELOC_NUMBER (R_C6000_PREL31
, 25)
54 RELOC_NUMBER (R_C6000_COPY
, 26)
55 RELOC_NUMBER (R_C6000_JUMP_SLOT
, 27)
56 RELOC_NUMBER (R_C6000_EHTYPE
, 28)
57 RELOC_NUMBER (R_C6000_PCR_H16
, 29)
58 RELOC_NUMBER (R_C6000_PCR_L16
, 30)
59 RELOC_NUMBER (R_C6000_ALIGN
, 253)
60 RELOC_NUMBER (R_C6000_FPHEAD
, 254)
61 RELOC_NUMBER (R_C6000_NOCMP
, 255)
62 END_RELOC_NUMBERS (R_TIC6X_max
)
64 /* Processor-specific flags. */
66 /* File contains static relocation information. */
67 #define EF_C6000_REL 0x1
69 /* Processor-specific section types. */
71 /* Unwind function table for stack unwinding. */
72 #define SHT_C6000_UNWIND 0x70000001
74 /* DLL dynamic linking pre-emption map. */
75 #define SHT_C6000_PREEMPTMAP 0x70000002
77 /* Object file compatibility attributes. */
78 #define SHT_C6000_ATTRIBUTES 0x70000003
80 /* Intermediate code for link-time optimization. */
81 #define SHT_TI_ICODE 0x7F000000
83 /* Symbolic cross reference information. */
84 #define SHT_TI_XREF 0x7F000001
87 #define SHT_TI_HANDLER 0x7F000002
89 /* Compressed data for initializing C variables. */
90 #define SHT_TI_INITINFO 0x7F000003
92 /* Extended program header attributes. */
93 #define SHT_TI_PHATTRS 0x7F000004
95 /* Processor specific section indices. These sections do not actually
96 exist. Symbols with a st_shndx field corresponding to one of these
97 values have a special meaning. */
99 /* Small data area common symbol. */
100 #define SHN_TIC6X_SCOMMON SHN_LORESERVE
102 /* Processor-specific segment types. */
104 /* Extended Segment Attributes. */
105 #define PT_C6000_PHATTR 0x70000000
107 /* Processor-specific dynamic tags. */
110 #define DT_C6000_GSYM_OFFSET 0x6000000D
113 #define DT_C6000_GSTR_OFFSET 0x6000000F
115 /* Statically linked base address of data segment. */
116 #define DT_C6000_DSBT_BASE 0x70000000
118 /* Number of entries in this module's DSBT. */
119 #define DT_C6000_DSBT_SIZE 0x70000001
122 #define DT_C6000_PREEMPTMAP 0x70000002
124 /* The hard-coded DSBT index for this module, if any. */
125 #define DT_C6000_DSBT_INDEX 0x70000003
127 /* Extended program header attributes. */
129 /* Terminate a segment. */
132 /* Segment's address bound to the final address. */
133 #define PHA_BOUND 0x1
135 /* Segment cannot be further relocated. */
136 #define PHA_READONLY 0x2
138 /* Build attributes. */
141 #define TAG(tag, value) tag = value,
142 #include "elf/tic6x-attrs.h"
147 /* Values for Tag_ISA. GNU-specific names; the ABI does not specify
148 names for these values. */
151 C6XABI_Tag_ISA_none
= 0,
152 C6XABI_Tag_ISA_C62X
= 1,
153 C6XABI_Tag_ISA_C67X
= 3,
154 C6XABI_Tag_ISA_C67XP
= 4,
155 C6XABI_Tag_ISA_C64X
= 6,
156 C6XABI_Tag_ISA_C64XP
= 7,
157 C6XABI_Tag_ISA_C674X
= 8
160 /* Special section names. */
161 #define ELF_STRING_C6000_unwind ".c6xabi.exidx"
162 #define ELF_STRING_C6000_unwind_info ".c6xabi.extab"
163 #define ELF_STRING_C6000_unwind_once ".gnu.linkonce.c6xabi.exidx."
164 #define ELF_STRING_C6000_unwind_info_once ".gnu.linkonce.c6xabi.extab."
166 #endif /* _ELF_TIC6X_H */