1 /* Object attribute tags for ARM.
2 Copyright (C) 2009 Red Hat, Inc.
3 This file is part of elfutils.
4
5 This file is free software; you can redistribute it and/or modify
6 it under the terms of either
7
8 * the GNU Lesser General Public License as published by the Free
9 Software Foundation; either version 3 of the License, or (at
10 your option) any later version
11
12 or
13
14 * the GNU General Public License as published by the Free
15 Software Foundation; either version 2 of the License, or (at
16 your option) any later version
17
18 or both in parallel, as here.
19
20 elfutils is distributed in the hope that it will be useful, but
21 WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 General Public License for more details.
24
25 You should have received copies of the GNU General Public License and
26 the GNU Lesser General Public License along with this program. If
27 not, see <http://www.gnu.org/licenses/>. */
28
29 #ifdef HAVE_CONFIG_H
30 # include <config.h>
31 #endif
32
33 #include <string.h>
34 #include <dwarf.h>
35
36 #define BACKEND arm_
37 #include "libebl_CPU.h"
38
39 #define KNOWN_VALUES(...) do \
40 { \
41 static const char *table[] = { __VA_ARGS__ }; \
42 if (value < sizeof table / sizeof table[0]) \
43 *value_name = table[value]; \
44 } while (0)
45
46 bool
arm_check_object_attribute(ebl,vendor,tag,value,tag_name,value_name)47 arm_check_object_attribute (ebl, vendor, tag, value, tag_name, value_name)
48 Ebl *ebl __attribute__ ((unused));
49 const char *vendor;
50 int tag;
51 uint64_t value __attribute__ ((unused));
52 const char **tag_name;
53 const char **value_name;
54 {
55 if (!strcmp (vendor, "aeabi"))
56 switch (tag)
57 {
58 case 4:
59 *tag_name = "CPU_raw_name";
60 return true;
61 case 5:
62 *tag_name = "CPU_name";
63 return true;
64 case 6:
65 *tag_name = "CPU_arch";
66 KNOWN_VALUES ("Pre-v4",
67 "v4",
68 "v4T",
69 "v5T",
70 "v5TE",
71 "v5TEJ",
72 "v6",
73 "v6KZ",
74 "v6T2",
75 "v6K",
76 "v7",
77 "v6-M",
78 "v6S-M");
79 return true;
80 case 7:
81 *tag_name = "CPU_arch_profile";
82 switch (value)
83 {
84 case 'A':
85 *value_name = "Application";
86 break;
87 case 'R':
88 *value_name = "Realtime";
89 break;
90 case 'M':
91 *value_name = "Microcontroller";
92 break;
93 }
94 return true;
95 case 8:
96 *tag_name = "ARM_ISA_use";
97 KNOWN_VALUES ("No", "Yes");
98 return true;
99 case 9:
100 *tag_name = "THUMB_ISA_use";
101 KNOWN_VALUES ("No", "Thumb-1", "Thumb-2");
102 return true;
103 case 10:
104 *tag_name = "VFP_arch";
105 KNOWN_VALUES ("No", "VFPv1", "VFPv2", "VFPv3", "VFPv3-D16");
106 return true;
107 case 11:
108 *tag_name = "WMMX_arch";
109 KNOWN_VALUES ("No", "WMMXv1", "WMMXv2");
110 return true;
111 case 12:
112 *tag_name = "Advanced_SIMD_arch";
113 KNOWN_VALUES ("No", "NEONv1");
114 return true;
115 case 13:
116 *tag_name = "PCS_config";
117 KNOWN_VALUES ("None",
118 "Bare platform",
119 "Linux application",
120 "Linux DSO",
121 "PalmOS 2004",
122 "PalmOS (reserved)",
123 "SymbianOS 2004",
124 "SymbianOS (reserved)");
125 return true;
126 case 14:
127 *tag_name = "ABI_PCS_R9_use";
128 KNOWN_VALUES ("V6", "SB", "TLS", "Unused");
129 return true;
130 case 15:
131 *tag_name = "ABI_PCS_RW_data";
132 KNOWN_VALUES ("Absolute", "PC-relative", "SB-relative", "None");
133 return true;
134 case 16:
135 *tag_name = "ABI_PCS_RO_data";
136 KNOWN_VALUES ("Absolute", "PC-relative", "None");
137 return true;
138 case 17:
139 *tag_name = "ABI_PCS_GOT_use";
140 KNOWN_VALUES ("None", "direct", "GOT-indirect");
141 return true;
142 case 18:
143 *tag_name = "ABI_PCS_wchar_t";
144 return true;
145 case 19:
146 *tag_name = "ABI_FP_rounding";
147 KNOWN_VALUES ("Unused", "Needed");
148 return true;
149 case 20:
150 *tag_name = "ABI_FP_denormal";
151 KNOWN_VALUES ("Unused", "Needed", "Sign only");
152 return true;
153 case 21:
154 *tag_name = "ABI_FP_exceptions";
155 KNOWN_VALUES ("Unused", "Needed");
156 return true;
157 case 22:
158 *tag_name = "ABI_FP_user_exceptions";
159 KNOWN_VALUES ("Unused", "Needed");
160 return true;
161 case 23:
162 *tag_name = "ABI_FP_number_model";
163 KNOWN_VALUES ("Unused", "Finite", "RTABI", "IEEE 754");
164 return true;
165 case 24:
166 *tag_name = "ABI_align8_needed";
167 KNOWN_VALUES ("No", "Yes", "4-byte");
168 return true;
169 case 25:
170 *tag_name = "ABI_align8_preserved";
171 KNOWN_VALUES ("No", "Yes, except leaf SP", "Yes");
172 return true;
173 case 26:
174 *tag_name = "ABI_enum_size";
175 KNOWN_VALUES ("Unused", "small", "int", "forced to int");
176 return true;
177 case 27:
178 *tag_name = "ABI_HardFP_use";
179 KNOWN_VALUES ("as VFP_arch", "SP only", "DP only", "SP and DP");
180 return true;
181 case 28:
182 *tag_name = "ABI_VFP_args";
183 KNOWN_VALUES ("AAPCS", "VFP registers", "custom");
184 return true;
185 case 29:
186 *tag_name = "ABI_WMMX_args";
187 KNOWN_VALUES ("AAPCS", "WMMX registers", "custom");
188 return true;
189 case 30:
190 *tag_name = "ABI_optimization_goals";
191 KNOWN_VALUES ("None",
192 "Prefer Speed",
193 "Aggressive Speed",
194 "Prefer Size",
195 "Aggressive Size",
196 "Prefer Debug",
197 "Aggressive Debug");
198 return true;
199 case 31:
200 *tag_name = "ABI_FP_optimization_goals";
201 KNOWN_VALUES ("None",
202 "Prefer Speed",
203 "Aggressive Speed",
204 "Prefer Size",
205 "Aggressive Size",
206 "Prefer Accuracy",
207 "Aggressive Accuracy");
208 return true;
209 case 34:
210 *tag_name = "CPU_unaligned_access";
211 KNOWN_VALUES ("None", "v6");
212 return true;
213 case 36:
214 *tag_name = "VFP_HP_extension";
215 KNOWN_VALUES ("Not Allowed", "Allowed");
216 return true;
217 case 38:
218 *tag_name = "ABI_FP_16bit_format";
219 KNOWN_VALUES ("None", "IEEE 754", "Alternative Format");
220 return true;
221 case 64:
222 *tag_name = "nodefaults";
223 return true;
224 case 65:
225 *tag_name = "also_compatible_with";
226 return true;
227 case 66:
228 *tag_name = "T2EE_use";
229 KNOWN_VALUES ("Not Allowed", "Allowed");
230 return true;
231 case 67:
232 *tag_name = "conformance";
233 return true;
234 case 68:
235 *tag_name = "Virtualization_use";
236 KNOWN_VALUES ("Not Allowed", "Allowed");
237 return true;
238 case 70:
239 *tag_name = "MPextension_use";
240 KNOWN_VALUES ("Not Allowed", "Allowed");
241 return true;
242 }
243
244 return false;
245 }
246