1/* C-SKY ELF support for BFD.
2   Copyright (C) 1998-2024 Free Software Foundation, Inc.
3   Contributed by C-SKY Microsystems and Mentor Graphics.
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 Foundation,
19   Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
20
21#ifndef _ELF_CSKY_H
22#define _ELF_CSKY_H
23
24#include "elf/reloc-macros.h"
25
26/* Values of relocation types according to the ABI doc.
27   The order should be consistent with csky bfd reloc type
28   table in bfd-in2.h.  */
29START_RELOC_NUMBERS (elf_csky_reloc_type)
30    RELOC_NUMBER (R_CKCORE_NONE,0)
31    RELOC_NUMBER (R_CKCORE_ADDR32,1)
32    RELOC_NUMBER (R_CKCORE_PCREL_IMM8BY4,2)
33    RELOC_NUMBER (R_CKCORE_PCREL_IMM11BY2,3)
34    RELOC_NUMBER (R_CKCORE_PCREL_IMM4BY2,4)
35    RELOC_NUMBER (R_CKCORE_PCREL32,5)
36    RELOC_NUMBER (R_CKCORE_PCREL_JSR_IMM11BY2,6)
37    RELOC_NUMBER (R_CKCORE_GNU_VTINHERIT,7)
38    RELOC_NUMBER (R_CKCORE_GNU_VTENTRY,8)
39    RELOC_NUMBER (R_CKCORE_RELATIVE,9)
40    RELOC_NUMBER (R_CKCORE_COPY,10)
41    RELOC_NUMBER (R_CKCORE_GLOB_DAT,11)
42    RELOC_NUMBER (R_CKCORE_JUMP_SLOT,12)
43    RELOC_NUMBER (R_CKCORE_GOTOFF,13)
44    RELOC_NUMBER (R_CKCORE_GOTPC,14)
45    RELOC_NUMBER (R_CKCORE_GOT32,15)
46    RELOC_NUMBER (R_CKCORE_PLT32,16)
47    RELOC_NUMBER (R_CKCORE_ADDRGOT,17)
48    RELOC_NUMBER (R_CKCORE_ADDRPLT,18)
49    RELOC_NUMBER (R_CKCORE_PCREL_IMM26BY2,19)
50    RELOC_NUMBER (R_CKCORE_PCREL_IMM16BY2,20)
51    RELOC_NUMBER (R_CKCORE_PCREL_IMM16BY4,21)
52    RELOC_NUMBER (R_CKCORE_PCREL_IMM10BY2,22)
53    RELOC_NUMBER (R_CKCORE_PCREL_IMM10BY4,23)
54    RELOC_NUMBER (R_CKCORE_ADDR_HI16,24)
55    RELOC_NUMBER (R_CKCORE_ADDR_LO16,25)
56    RELOC_NUMBER (R_CKCORE_GOTPC_HI16,26)
57    RELOC_NUMBER (R_CKCORE_GOTPC_LO16,27)
58    RELOC_NUMBER (R_CKCORE_GOTOFF_HI16,28)
59    RELOC_NUMBER (R_CKCORE_GOTOFF_LO16,29)
60    RELOC_NUMBER (R_CKCORE_GOT12,30)
61    RELOC_NUMBER (R_CKCORE_GOT_HI16,31)
62    RELOC_NUMBER (R_CKCORE_GOT_LO16,32)
63    RELOC_NUMBER (R_CKCORE_PLT12,33)
64    RELOC_NUMBER (R_CKCORE_PLT_HI16,34)
65    RELOC_NUMBER (R_CKCORE_PLT_LO16,35)
66    RELOC_NUMBER (R_CKCORE_ADDRGOT_HI16,36)
67    RELOC_NUMBER (R_CKCORE_ADDRGOT_LO16,37)
68    RELOC_NUMBER (R_CKCORE_ADDRPLT_HI16,38)
69    RELOC_NUMBER (R_CKCORE_ADDRPLT_LO16,39)
70    RELOC_NUMBER (R_CKCORE_PCREL_JSR_IMM26BY2,40)
71    RELOC_NUMBER (R_CKCORE_TOFFSET_LO16, 41)
72    RELOC_NUMBER (R_CKCORE_DOFFSET_LO16, 42)
73    RELOC_NUMBER (R_CKCORE_PCREL_IMM18BY2, 43)
74    RELOC_NUMBER (R_CKCORE_DOFFSET_IMM18, 44)
75    RELOC_NUMBER (R_CKCORE_DOFFSET_IMM18BY2, 45)
76    RELOC_NUMBER (R_CKCORE_DOFFSET_IMM18BY4, 46)
77    RELOC_NUMBER (R_CKCORE_GOTOFF_IMM18, 47)
78    RELOC_NUMBER (R_CKCORE_GOT_IMM18BY4, 48)
79    RELOC_NUMBER (R_CKCORE_PLT_IMM18BY4, 49)
80    RELOC_NUMBER (R_CKCORE_PCREL_IMM7BY4, 50)
81    RELOC_NUMBER (R_CKCORE_TLS_LE32, 51)
82    RELOC_NUMBER (R_CKCORE_TLS_IE32, 52)
83    RELOC_NUMBER (R_CKCORE_TLS_GD32, 53)
84    RELOC_NUMBER (R_CKCORE_TLS_LDM32, 54)
85    RELOC_NUMBER (R_CKCORE_TLS_LDO32, 55)
86    RELOC_NUMBER (R_CKCORE_TLS_DTPMOD32, 56)
87    RELOC_NUMBER (R_CKCORE_TLS_DTPOFF32, 57)
88    RELOC_NUMBER (R_CKCORE_TLS_TPOFF32, 58)
89    RELOC_NUMBER (R_CKCORE_PCREL_FLRW_IMM8BY4, 59)
90    RELOC_NUMBER (R_CKCORE_NOJSRI, 60)
91    RELOC_NUMBER (R_CKCORE_CALLGRAPH, 61)
92    RELOC_NUMBER (R_CKCORE_IRELATIVE, 62)
93    RELOC_NUMBER (R_CKCORE_PCREL_BLOOP_IMM4BY4, 63)
94    RELOC_NUMBER (R_CKCORE_PCREL_BLOOP_IMM12BY4, 64)
95END_RELOC_NUMBERS (R_CKCORE_MAX)
96
97/* Additional section types.  */
98#define SHT_CSKY_ATTRIBUTES       0x70000001 /* Section holds attributes.  */
99
100/* Object attribute tags.  */
101enum
102{
103  /* 0-3 are generic. */
104  /* Arch name for this object file.  */
105  Tag_CSKY_ARCH_NAME = 4,
106  Tag_CSKY_CPU_NAME = 5,
107
108  /* ISA flags for this object file.  */
109  Tag_CSKY_ISA_FLAGS,
110  Tag_CSKY_ISA_EXT_FLAGS,
111
112  /* CSKY DSP version used by this object file.  */
113  Tag_CSKY_DSP_VERSION,
114
115  /* CSKY VDSP version used by this object file.  */
116  Tag_CSKY_VDSP_VERSION,
117
118  /* CSKY FPU version used by this object file.  */
119  Tag_CSKY_FPU_VERSION = 0x10,
120  /* FPU ABI.  params: Soft GR/Hard GR/Hard FR. */
121  Tag_CSKY_FPU_ABI,
122  /* Rounding Support.  */
123  Tag_CSKY_FPU_ROUNDING,
124  /* Denormal Support.  */
125  Tag_CSKY_FPU_DENORMAL,
126  /* Exeception Support.  */
127  Tag_CSKY_FPU_Exception,
128  /* Number Module Support("IEEE 754").  */
129  Tag_CSKY_FPU_NUMBER_MODULE,
130  /* Half/Single/Double.  */
131  Tag_CSKY_FPU_HARDFP,
132
133  Tag_CSKY_MAX,
134};
135
136/* Object attribute values.  */
137enum
138{
139  /* Values defined for Tag_CSKY_DSP_VERSION.  */
140  VAL_CSKY_DSP_VERSION_EXTENSION = 1,	/* hi-lo DSP extension.  */
141  VAL_CSKY_DSP_VERSION_2 = 2,		/* CK803s EDSP.  */
142};
143
144enum
145{
146  /* Values defined for Tag_CSKY_VDSP_VERSION.  */
147  VAL_CSKY_VDSP_VERSION_1 = 1,	/* VDSP version 1.  */
148  VAL_CSKY_VDSP_VERSION_2	/* VDSP version 1.  */
149};
150
151enum
152{
153  /* Values defined for Tag_CSKY_FPU_VERSION.  */
154  VAL_CSKY_FPU_VERSION_1 = 1,	/* ABIV1 FPU.  */
155  VAL_CSKY_FPU_VERSION_2,	/* ABIV2 FPU.  */
156};
157
158enum
159{
160  VAL_CSKY_FPU_ABI_SOFT = 1,
161  VAL_CSKY_FPU_ABI_SOFTFP,
162  VAL_CSKY_FPU_ABI_HARD,
163};
164
165enum
166{
167  VAL_CSKY_FPU_HARDFP_HALF = 1,
168  VAL_CSKY_FPU_HARDFP_SINGLE = 2,
169  VAL_CSKY_FPU_HARDFP_DOUBLE = 4,
170};
171
172#endif /* _ELF_CSKY_H  */
173