1/* CR16C ELF support for BFD.
2   Copyright 2004, 2008, 2010 Free Software Foundation, Inc.
3
4   This file is part of BFD, the Binary File Descriptor library.
5
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.
10
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.
15
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 Foundation,
18   Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
19
20#ifndef _ELF_CR16C_H
21#define _ELF_CR16C_H
22
23#include "bfd.h"
24#include "elf/reloc-macros.h"
25
26/* Creating indices for reloc_map_index array.  */
27START_RELOC_NUMBERS (elf_cr16c_reloc_type)
28     RELOC_NUMBER (RINDEX_16C_NUM08,		0)
29     RELOC_NUMBER (RINDEX_16C_NUM08_C,		1)
30     RELOC_NUMBER (RINDEX_16C_NUM16,		2)
31     RELOC_NUMBER (RINDEX_16C_NUM16_C,		3)
32     RELOC_NUMBER (RINDEX_16C_NUM32,		4)
33     RELOC_NUMBER (RINDEX_16C_NUM32_C,		5)
34     RELOC_NUMBER (RINDEX_16C_DISP04,		6)
35     RELOC_NUMBER (RINDEX_16C_DISP04_C,		7)
36     RELOC_NUMBER (RINDEX_16C_DISP08,		8)
37     RELOC_NUMBER (RINDEX_16C_DISP08_C,		9)
38     RELOC_NUMBER (RINDEX_16C_DISP16,		10)
39     RELOC_NUMBER (RINDEX_16C_DISP16_C,		11)
40     RELOC_NUMBER (RINDEX_16C_DISP24,		12)
41     RELOC_NUMBER (RINDEX_16C_DISP24_C,		13)
42     RELOC_NUMBER (RINDEX_16C_DISP24a,		14)
43     RELOC_NUMBER (RINDEX_16C_DISP24a_C,	15)
44     RELOC_NUMBER (RINDEX_16C_REG04,		16)
45     RELOC_NUMBER (RINDEX_16C_REG04_C,		17)
46     RELOC_NUMBER (RINDEX_16C_REG04a,		18)
47     RELOC_NUMBER (RINDEX_16C_REG04a_C,		19)
48     RELOC_NUMBER (RINDEX_16C_REG14,		20)
49     RELOC_NUMBER (RINDEX_16C_REG14_C,		21)
50     RELOC_NUMBER (RINDEX_16C_REG16,		22)
51     RELOC_NUMBER (RINDEX_16C_REG16_C,		23)
52     RELOC_NUMBER (RINDEX_16C_REG20,		24)
53     RELOC_NUMBER (RINDEX_16C_REG20_C,		25)
54     RELOC_NUMBER (RINDEX_16C_ABS20,		26)
55     RELOC_NUMBER (RINDEX_16C_ABS20_C,		27)
56     RELOC_NUMBER (RINDEX_16C_ABS24,		28)
57     RELOC_NUMBER (RINDEX_16C_ABS24_C,		29)
58     RELOC_NUMBER (RINDEX_16C_IMM04,		30)
59     RELOC_NUMBER (RINDEX_16C_IMM04_C,		31)
60     RELOC_NUMBER (RINDEX_16C_IMM16,		32)
61     RELOC_NUMBER (RINDEX_16C_IMM16_C,		33)
62     RELOC_NUMBER (RINDEX_16C_IMM20,		34)
63     RELOC_NUMBER (RINDEX_16C_IMM20_C,		35)
64     RELOC_NUMBER (RINDEX_16C_IMM24,		36)
65     RELOC_NUMBER (RINDEX_16C_IMM24_C,		37)
66     RELOC_NUMBER (RINDEX_16C_IMM32,		38)
67     RELOC_NUMBER (RINDEX_16C_IMM32_C,		39)
68END_RELOC_NUMBERS (RINDEX_16C_MAX)
69
70/* CR16C Relocation Types ('cr_reloc_type' entry in the reloc_map structure).
71   The relocation constant name is determined as follows :
72
73   R_16C_<format><size>[_C]
74
75   Where :
76
77     <format> is one of the following:
78	NUM  - R_NUMBER mnemonic,
79	DISP - R_16C_DISPL mnemonic,
80	REG  - R_16C_REGREL mnemonic,
81	ABS  - R_16C_ABS mnemonic,
82	IMM  - R_16C_IMMED mnemonic,
83     <size> stands for R_S_16C_<size>
84     _C means 'code label' and is only added when R_ADDRTYPE subfield
85     is of type R_CODE_ADDR.  */
86
87/* The table below shows what the hex digits in the definition of the
88   relocation type constants correspond to.
89   ------------------------------------------------------------------
90	R_SIZESP	R_FORMAT	R_RELTO	      R_ADDRTYPE
91   ------------------------------------------------------------------  */
92/*	R_S_16C_08	R_NUMBER 	R_ABS 	      R_ADDRESS */
93#define R_16C_NUM08	0X0001
94
95/*	R_S_16C_08	R_NUMBER 	R_ABS 	      R_CODE_ADDR */
96#define R_16C_NUM08_C	0X0006
97
98/*	R_S_16C_16	R_NUMBER 	R_ABS 	      R_ADDRESS */
99#define R_16C_NUM16	0X1001
100
101/*	R_S_16C_16	R_NUMBER 	R_ABS 	      R_CODE_ADDR */
102#define R_16C_NUM16_C 	0X1006
103
104/*      R_S_16C_32      R_NUMBER	R_ABS	      R_ADDRESS */
105#define R_16C_NUM32     0X2001
106
107/*      R_S_16C_32      R_NUMBER	R_ABS	      R_CODE_ADDR */
108#define R_16C_NUM32_C   0X2006
109
110/*	R_S_16C_04	R_16C_DISPL 	R_PCREL	      R_ADDRESS */
111#define R_16C_DISP04	0X5411
112
113/*	R_S_16C_04	R_16C_DISPL 	R_PCREL	      R_CODE_ADDR */
114#define R_16C_DISP04_C	0X5416
115
116/*	R_S_16C_08	R_16C_DISPL 	R_PCREL	      R_ADDRESS */
117#define R_16C_DISP08	0X0411
118
119/*	R_S_16C_08	R_16C_DISPL 	R_PCREL	      R_CODE_ADDR */
120#define R_16C_DISP08_C	0X0416
121
122/*	R_S_16C_16	R_16C_DISPL 	R_PCREL	      R_ADDRESS */
123#define R_16C_DISP16	0X1411
124
125/*	R_S_16C_16	R_16C_DISPL 	R_PCREL	      R_CODE_ADDR */
126#define R_16C_DISP16_C	0X1416
127
128/*	R_S_16C_24	R_16C_DISPL 	R_PCREL	      R_ADDRESS */
129#define R_16C_DISP24	0X7411
130
131/*	R_S_16C_24	R_16C_DISPL 	R_PCREL	      R_CODE_ADDR */
132#define R_16C_DISP24_C	0X7416
133
134/*	R_S_16C_24a	R_16C_DISPL 	R_PCREL	      R_ADDRESS */
135#define R_16C_DISP24a	0X6411
136
137/*	R_S_16C_24a	R_16C_DISPL 	R_PCREL	      R_CODE_ADDR */
138#define R_16C_DISP24a_C	0X6416
139
140/*	R_S_16C_04	R_16C_REGREL 	R_ABS 	      R_ADDRESS */
141#define R_16C_REG04	0X5201
142
143/*	R_S_16C_04	R_16C_REGREL 	R_ABS 	      R_CODE_ADDR */
144#define R_16C_REG04_C	0X5206
145
146/*	R_S_16C_04_a	R_16C_REGREL 	R_ABS 	      R_ADDRESS */
147#define R_16C_REG04a	0X4201
148
149/*	R_S_16C_04_a	R_16C_REGREL 	R_ABS 	      R_CODE_ADDR */
150#define R_16C_REG04a_C	0X4206
151
152/*	R_S_16C_14	R_16C_REGREL 	R_ABS 	      R_ADDRESS */
153#define R_16C_REG14	0X3201
154
155/*	R_S_16C_14	R_16C_REGREL 	R_ABS 	      R_CODE_ADDR */
156#define R_16C_REG14_C	0X3206
157
158/*	R_S_16C_16	R_16C_REGREL 	R_ABS 	      R_ADDRESS */
159#define R_16C_REG16	0X1201
160
161/*	R_S_16C_16	R_16C_REGREL 	R_ABS 	      R_CODE_ADDR */
162#define R_16C_REG16_C	0X1206
163
164/*	R_S_16C_20	R_16C_REGREL 	R_ABS 	      R_ADDRESS */
165#define R_16C_REG20	0X8201
166
167/*	R_S_16C_20	R_16C_REGREL 	R_ABS 	      R_CODE_ADDR */
168#define R_16C_REG20_C	0X8206
169
170/*      R_S_16C_20      R_16C_ABS	R_ABS	      R_ADDRESS */
171#define R_16C_ABS20     0X8101
172
173/*      R_S_16C_20      R_16C_ABS	R_ABS	      R_CODE_ADDR */
174#define R_16C_ABS20_C   0X8106
175
176/*      R_S_16C_24      R_16C_ABS	R_ABS	      R_ADDRESS */
177#define R_16C_ABS24     0X7101
178
179/*      R_S_16C_24      R_16C_ABS	R_ABS	      R_CODE_ADDR */
180#define R_16C_ABS24_C   0X7106
181
182/*      R_S_16C_04      R_16C_IMMED	R_ABS	      R_ADDRESS */
183#define R_16C_IMM04     0X5301
184
185/*      R_S_16C_04      R_16C_IMMED	R_ABS	      R_CODE_ADDR */
186#define R_16C_IMM04_C   0X5306
187
188/*      R_S_16C_16      R_16C_IMMED	R_ABS	      R_ADDRESS */
189#define R_16C_IMM16     0X1301
190
191/*      R_S_16C_16      R_16C_IMMED	R_ABS	      R_CODE_ADDR */
192#define R_16C_IMM16_C   0X1306
193
194/*      R_S_16C_20      R_16C_IMMED	R_ABS	      R_ADDRESS */
195#define R_16C_IMM20     0X8301
196
197/*      R_S_16C_20      R_16C_IMMED	R_ABS	      R_CODE_ADDR */
198#define R_16C_IMM20_C   0X8306
199
200/*      R_S_16C_24      R_16C_IMMED	R_ABS	      R_ADDRESS */
201#define R_16C_IMM24     0X7301
202
203/*      R_S_16C_24      R_16C_IMMED	R_ABS	      R_CODE_ADDR */
204#define R_16C_IMM24_C   0X7306
205
206/*      R_S_16C_32      R_16C_IMMED	R_ABS	      R_ADDRESS */
207#define R_16C_IMM32     0X2301
208
209/*      R_S_16C_32      R_16C_IMMED	R_ABS	      R_CODE_ADDR */
210#define R_16C_IMM32_C   0X2306
211
212
213/* Relocation item type.  */
214#define   R_ADDRTYPE	 0x000f
215#define   R_ADDRESS      0x0001    /* Take address of symbol.  */
216#define   R_CODE_ADDR    0x0006    /* Take address of symbol divided by 2.  */
217
218/* Relocation action.  */
219#define   R_RELTO        0x00f0
220#define   R_ABS          0x0000    /* Keep symbol's address as such.  */
221#define   R_PCREL        0x0010    /* Subtract the pc address of hole.  */
222
223/* Relocation item data format.  */
224#define   R_FORMAT       0x0f00
225#define   R_NUMBER       0x0000    /* Retain as two's complement value.  */
226#define   R_16C_DISPL    0x0400    /* CR16C displacement type.  */
227#define   R_16C_ABS      0x0100    /* CR16C absolute type.  */
228#define   R_16C_REGREL   0x0200    /* CR16C register-relative type.  */
229#define   R_16C_IMMED    0x0300    /* CR16C immediate type.  */
230
231/* Relocation item size. */
232#define   R_SIZESP       0xf000
233#define   R_S_16C_04     0x5000
234#define   R_S_16C_04_a   0x4000
235#define   R_S_16C_08	 0x0000
236#define   R_S_16C_14     0x3000
237#define   R_S_16C_16	 0x1000
238#define   R_S_16C_20     0x8000
239#define   R_S_16C_24_a   0x6000
240#define   R_S_16C_24	 0x7000
241#define   R_S_16C_32     0x2000
242
243
244/* Processor specific section indices.  These sections do not actually
245   exist.  Symbols with a st_shndx field corresponding to one of these
246   values have a special meaning.  */
247
248/* Far common symbol.  */
249#define SHN_CR16C_FCOMMON	SHN_LORESERVE
250#define SHN_CR16C_NCOMMON	(SHN_LORESERVE + 1)
251
252typedef struct reloc_map
253{
254  unsigned short            cr_reloc_type;  /* CR relocation type.  */
255  bfd_reloc_code_real_type  bfd_reloc_enum; /* BFD relocation enum.  */
256} RELOC_MAP;
257
258#endif /* _ELF_CR16C_H */
259