source: trunk/libs/newlib/src/include/elf/tic6x.h @ 659

Last change on this file since 659 was 444, checked in by satin@…, 7 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 4.9 KB
Line 
1/* TI C6X ELF support for BFD.
2   Copyright 2010, 2011
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.  */
28START_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)
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)
60  RELOC_NUMBER (R_C6000_ALIGN, 253)
61  RELOC_NUMBER (R_C6000_FPHEAD, 254)
62  RELOC_NUMBER (R_C6000_NOCMP, 255)
63END_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
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
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
139/* Build attributes.  */
140enum
141  {
142#define TAG(tag, value) tag = value,
143#include "elf/tic6x-attrs.h"
144#undef TAG
145    Tag_C6XABI_last
146  };
147
148/* Values for Tag_ISA.  GNU-specific names; the ABI does not specify
149   names for these values.  */
150enum
151  {
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
159  };
160
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
167#endif /* _ELF_TIC6X_H */
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