1 /* V850 ELF support for BFD.
2    Copyright 1997, 1998, 2000, 2002, 2003, 2004
3    Free Software Foundation, Inc.
4    Created by Michael Meissner, Cygnus Support <meissner@cygnus.com>
5 
6    This file is part of BFD, the Binary File Descriptor library.
7 
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 2 of the License, or
11    (at your option) any later version.
12 
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with this program; if not, write to the Free Software
20    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
21 
22 /* This file holds definitions specific to the MIPS ELF ABI.  Note
23    that most of this is not actually implemented by BFD.  */
24 
25 #ifndef _ELF_V850_H
26 #define _ELF_V850_H
27 
28 /* Processor specific flags for the ELF header e_flags field.  */
29 
30 /* Four bit V850 architecture field.  */
31 #define EF_V850_ARCH		0xf0000000
32 
33 /* v850 code.  */
34 #define E_V850_ARCH		0x00000000
35 
36 /* v850e code.  */
37 #define E_V850E_ARCH		0x10000000
38 
39 /* v850e1 code.  */
40 #define E_V850E1_ARCH		0x20000000
41 
42 
43 /* Flags for the st_other field.  */
44 #define V850_OTHER_SDA		0x01	/* Symbol had SDA relocations.  */
45 #define V850_OTHER_ZDA		0x02	/* Symbol had ZDA relocations.  */
46 #define V850_OTHER_TDA		0x04	/* Symbol had TDA relocations.  */
47 #define V850_OTHER_TDA_BYTE	0x08	/* Symbol had TDA byte relocations.  */
48 #define V850_OTHER_ERROR	0x80	/* Symbol had an error reported.  */
49 
50 /* V850 relocations.  */
51 #include "elf/reloc-macros.h"
52 
53 START_RELOC_NUMBERS (v850_reloc_type)
54      RELOC_NUMBER (R_V850_NONE, 0)
55      RELOC_NUMBER (R_V850_9_PCREL, 1)
56      RELOC_NUMBER (R_V850_22_PCREL, 2)
57      RELOC_NUMBER (R_V850_HI16_S, 3)
58      RELOC_NUMBER (R_V850_HI16, 4)
59      RELOC_NUMBER (R_V850_LO16, 5)
60      RELOC_NUMBER (R_V850_ABS32, 6)
61      RELOC_NUMBER (R_V850_16, 7)
62      RELOC_NUMBER (R_V850_8, 8)
63      RELOC_NUMBER( R_V850_SDA_16_16_OFFSET, 9)		/* For ld.b, st.b, set1, clr1, not1, tst1, movea, movhi */
64      RELOC_NUMBER( R_V850_SDA_15_16_OFFSET, 10)		/* For ld.w, ld.h, ld.hu, st.w, st.h */
65      RELOC_NUMBER( R_V850_ZDA_16_16_OFFSET, 11)		/* For ld.b, st.b, set1, clr1, not1, tst1, movea, movhi */
66      RELOC_NUMBER( R_V850_ZDA_15_16_OFFSET, 12)		/* For ld.w, ld.h, ld.hu, st.w, st.h */
67      RELOC_NUMBER( R_V850_TDA_6_8_OFFSET, 13)		/* For sst.w, sld.w */
68      RELOC_NUMBER( R_V850_TDA_7_8_OFFSET, 14)		/* For sst.h, sld.h */
69      RELOC_NUMBER( R_V850_TDA_7_7_OFFSET, 15)		/* For sst.b, sld.b */
70      RELOC_NUMBER( R_V850_TDA_16_16_OFFSET, 16)		/* For set1, clr1, not1, tst1, movea, movhi */
71      RELOC_NUMBER( R_V850_TDA_4_5_OFFSET, 17)		/* For sld.hu */
72      RELOC_NUMBER( R_V850_TDA_4_4_OFFSET, 18)		/* For sld.bu */
73      RELOC_NUMBER( R_V850_SDA_16_16_SPLIT_OFFSET, 19)	/* For ld.bu */
74      RELOC_NUMBER( R_V850_ZDA_16_16_SPLIT_OFFSET, 20)	/* For ld.bu */
75      RELOC_NUMBER( R_V850_CALLT_6_7_OFFSET, 21)		/* For callt */
76      RELOC_NUMBER( R_V850_CALLT_16_16_OFFSET, 22)	/* For callt */
77      RELOC_NUMBER (R_V850_GNU_VTINHERIT, 23)
78      RELOC_NUMBER (R_V850_GNU_VTENTRY, 24)
79      RELOC_NUMBER (R_V850_LONGCALL, 25)
80      RELOC_NUMBER (R_V850_LONGJUMP, 26)
81      RELOC_NUMBER (R_V850_ALIGN, 27)
82      RELOC_NUMBER (R_V850_REL32, 28)
83      RELOC_NUMBER (R_V850_LO16_SPLIT_OFFSET, 29)	/* For ld.bu */
84 END_RELOC_NUMBERS (R_V850_max)
85 
86 
87 /* Processor specific section indices.  These sections do not actually
88    exist.  Symbols with a st_shndx field corresponding to one of these
89    values have a special meaning.  */
90 
91 /* Small data area common symbol.  */
92 #define SHN_V850_SCOMMON	0xff00
93 
94 /* Tiny data area common symbol.  */
95 #define SHN_V850_TCOMMON	0xff01
96 
97 /* Zero data area common symbol.  */
98 #define SHN_V850_ZCOMMON	0xff02
99 
100 
101 /* Processor specific section types.  */
102 
103 /* Section contains the .scommon data.  */
104 #define SHT_V850_SCOMMON	0x70000000
105 
106 /* Section contains the .scommon data.  */
107 #define SHT_V850_TCOMMON	0x70000001
108 
109 /* Section contains the .scommon data.  */
110 #define SHT_V850_ZCOMMON	0x70000002
111 
112 /* Processor specific section flags.  */
113 
114 /* This section must be in the small data area (pointed to by GP).  */
115 #define SHF_V850_GPREL		0x10000000
116 
117 /* This section must be in the tiny data area (pointed to by EP).  */
118 #define SHF_V850_EPREL		0x20000000
119 
120 /* This section must be in the zero data area (pointed to by R0).  */
121 #define SHF_V850_R0REL		0x40000000
122 
123 #endif /* _ELF_V850_H */
124