sparc.h revision 60484
1/* SPARC ELF support for BFD.
2   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
3   By Doug Evans, Cygnus Support, <dje@cygnus.com>.
4
5This file is part of BFD, the Binary File Descriptor library.
6
7This program is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2 of the License, or
10(at your option) any later version.
11
12This program is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this program; if not, write to the Free Software
19Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
20
21#ifndef _ELF_SPARC_H
22#define _ELF_SPARC_H
23
24/* Processor specific flags for the ELF header e_flags field.  */
25
26/* These are defined by Sun.  */
27
28#define EF_SPARC_32PLUS_MASK	0xffff00	/* bits indicating V8+ type */
29#define EF_SPARC_32PLUS		0x000100	/* generic V8+ features */
30#define EF_SPARC_SUN_US1	0x000200	/* Sun UltraSPARC1 extensions */
31#define EF_SPARC_HAL_R1		0x000400	/* HAL R1 extensions */
32#define EF_SPARC_SUN_US3	0x000800	/* Sun UltraSPARCIII extensions */
33
34#define EF_SPARC_LEDATA         0x800000	/* little endian data */
35
36/* This name is used in the V9 ABI.  */
37#define EF_SPARC_EXT_MASK	0xffff00	/* reserved for vendor extensions */
38
39/* V9 memory models */
40#define EF_SPARCV9_MM		0x3		/* memory model mask */
41#define EF_SPARCV9_TSO		0x0		/* total store ordering */
42#define EF_SPARCV9_PSO		0x1		/* partial store ordering */
43#define EF_SPARCV9_RMO		0x2		/* relaxed store ordering */
44
45/* Section indices.  */
46
47#define SHN_BEFORE		0xff00		/* used with SHF_ORDERED */
48#define SHN_AFTER		0xff01		/* used with SHF_ORDERED */
49
50/* Section flags.  */
51
52#define SHF_EXCLUDE		0x80000000	/* exclude from linking */
53#define SHF_ORDERED		0x40000000	/* treat sh_link,sh_info specially */
54
55/* Symbol types.  */
56
57#define STT_REGISTER		13		/* global reg reserved to app. */
58
59#include "elf/reloc-macros.h"
60
61/* Relocation types.  */
62START_RELOC_NUMBERS (elf_sparc_reloc_type)
63  RELOC_NUMBER (R_SPARC_NONE, 0)
64  RELOC_NUMBER (R_SPARC_8, 1)
65  RELOC_NUMBER (R_SPARC_16, 2)
66  RELOC_NUMBER (R_SPARC_32, 3)
67  RELOC_NUMBER (R_SPARC_DISP8, 4)
68  RELOC_NUMBER (R_SPARC_DISP16, 5)
69  RELOC_NUMBER (R_SPARC_DISP32, 6)
70  RELOC_NUMBER (R_SPARC_WDISP30, 7)
71  RELOC_NUMBER (R_SPARC_WDISP22, 8)
72  RELOC_NUMBER (R_SPARC_HI22, 9)
73  RELOC_NUMBER (R_SPARC_22, 10)
74  RELOC_NUMBER (R_SPARC_13, 11)
75  RELOC_NUMBER (R_SPARC_LO10, 12)
76  RELOC_NUMBER (R_SPARC_GOT10, 13)
77  RELOC_NUMBER (R_SPARC_GOT13, 14)
78  RELOC_NUMBER (R_SPARC_GOT22, 15)
79  RELOC_NUMBER (R_SPARC_PC10, 16)
80  RELOC_NUMBER (R_SPARC_PC22, 17)
81  RELOC_NUMBER (R_SPARC_WPLT30, 18)
82  RELOC_NUMBER (R_SPARC_COPY, 19)
83  RELOC_NUMBER (R_SPARC_GLOB_DAT, 20)
84  RELOC_NUMBER (R_SPARC_JMP_SLOT, 21)
85  RELOC_NUMBER (R_SPARC_RELATIVE, 22)
86  RELOC_NUMBER (R_SPARC_UA32, 23)
87
88  /* ??? These 6 relocs are new but not currently used.  For binary
89     compatility in the sparc64-elf toolchain, we leave them out.
90     A non-binary upward compatible change is expected for sparc64-elf.  */
91#ifndef SPARC64_OLD_RELOCS
92  /* ??? New relocs on the UltraSPARC.  Not sure what they're for yet.  */
93  RELOC_NUMBER (R_SPARC_PLT32, 24)
94  RELOC_NUMBER (R_SPARC_HIPLT22, 25)
95  RELOC_NUMBER (R_SPARC_LOPLT10, 26)
96  RELOC_NUMBER (R_SPARC_PCPLT32, 27)
97  RELOC_NUMBER (R_SPARC_PCPLT22, 28)
98  RELOC_NUMBER (R_SPARC_PCPLT10, 29)
99#endif
100
101  /* v9 relocs */
102  RELOC_NUMBER (R_SPARC_10, 30)
103  RELOC_NUMBER (R_SPARC_11, 31)
104  RELOC_NUMBER (R_SPARC_64, 32)
105  RELOC_NUMBER (R_SPARC_OLO10, 33)
106  RELOC_NUMBER (R_SPARC_HH22, 34)
107  RELOC_NUMBER (R_SPARC_HM10, 35)
108  RELOC_NUMBER (R_SPARC_LM22, 36)
109  RELOC_NUMBER (R_SPARC_PC_HH22, 37)
110  RELOC_NUMBER (R_SPARC_PC_HM10, 38)
111  RELOC_NUMBER (R_SPARC_PC_LM22, 39)
112  RELOC_NUMBER (R_SPARC_WDISP16, 40)
113  RELOC_NUMBER (R_SPARC_WDISP19, 41)
114  RELOC_NUMBER (R_SPARC_UNUSED_42, 42)
115  RELOC_NUMBER (R_SPARC_7, 43)
116  RELOC_NUMBER (R_SPARC_5, 44)
117  RELOC_NUMBER (R_SPARC_6, 45)
118  RELOC_NUMBER (R_SPARC_DISP64, 46)
119  RELOC_NUMBER (R_SPARC_PLT64, 47)
120  RELOC_NUMBER (R_SPARC_HIX22, 48)
121  RELOC_NUMBER (R_SPARC_LOX10, 49)
122  RELOC_NUMBER (R_SPARC_H44, 50)
123  RELOC_NUMBER (R_SPARC_M44, 51)
124  RELOC_NUMBER (R_SPARC_L44, 52)
125  RELOC_NUMBER (R_SPARC_REGISTER, 53)
126  RELOC_NUMBER (R_SPARC_UA64, 54)
127  RELOC_NUMBER (R_SPARC_UA16, 55)
128
129  /* little endian data relocs */
130  RELOC_NUMBER (R_SPARC_REV32, 56)
131
132  EMPTY_RELOC  (R_SPARC_max_std)
133
134  RELOC_NUMBER (R_SPARC_GNU_VTINHERIT, 250)
135  RELOC_NUMBER (R_SPARC_GNU_VTENTRY, 251)
136
137  EMPTY_RELOC  (R_SPARC_max)
138END_RELOC_NUMBERS
139
140/* Relocation macros.  */
141
142#define ELF64_R_TYPE_DATA(info) \
143  (((bfd_signed_vma)(ELF64_R_TYPE(info) >> 8) ^ 0x800000) - 0x800000)
144#define ELF64_R_TYPE_ID(info) \
145  ((info) & 0xff)
146#define ELF64_R_TYPE_INFO(data, type) \
147  (((bfd_vma) ((data) & 0xffffff) << 8) | (bfd_vma) (type))
148
149/* Values for Elf64_Dyn.d_tag.  */
150
151#define DT_SPARC_REGISTER	0x70000001
152
153#endif /* _ELF_SPARC_H */
154