xref: /netbsd-src/external/gpl3/gdb/dist/include/elf/csky.h (revision e663ba6e3a60083e70de702e9d54bf486a57b6a7)
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.  */
29 START_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)
95 END_RELOC_NUMBERS (R_CKCORE_MAX)
96 
97 /* Additional section types.  */
98 #define SHT_CSKY_ATTRIBUTES       0x70000001 /* Section holds attributes.  */
99 
100 /* Object attribute tags.  */
101 enum
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.  */
137 enum
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 
144 enum
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 
151 enum
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 
158 enum
159 {
160   VAL_CSKY_FPU_ABI_SOFT = 1,
161   VAL_CSKY_FPU_ABI_SOFTFP,
162   VAL_CSKY_FPU_ABI_HARD,
163 };
164 
165 enum
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