Branch data Line data Source code
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
47 : 34 : arm_check_object_attribute (Ebl *ebl __attribute__ ((unused)),
48 : : const char *vendor, int tag, uint64_t value,
49 : : const char **tag_name, const char **value_name)
50 : : {
51 [ + - ]: 34 : if (!strcmp (vendor, "aeabi"))
52 [ - + + + : 34 : switch (tag)
+ + + - -
- - - - -
+ + + + -
+ + + + +
+ - - - +
- - - - -
- - - - ]
53 : : {
54 : 0 : case 4:
55 : 0 : *tag_name = "CPU_raw_name";
56 : 0 : return true;
57 : 2 : case 5:
58 : 2 : *tag_name = "CPU_name";
59 : 2 : return true;
60 : 2 : case 6:
61 : 2 : *tag_name = "CPU_arch";
62 [ + - ]: 2 : KNOWN_VALUES ("Pre-v4",
63 : : "v4",
64 : : "v4T",
65 : : "v5T",
66 : : "v5TE",
67 : : "v5TEJ",
68 : : "v6",
69 : : "v6KZ",
70 : : "v6T2",
71 : : "v6K",
72 : : "v7",
73 : : "v6-M",
74 : : "v6S-M");
75 : 2 : return true;
76 : 2 : case 7:
77 : 2 : *tag_name = "CPU_arch_profile";
78 [ + - - - ]: 2 : switch (value)
79 : : {
80 : 2 : case 'A':
81 : 2 : *value_name = "Application";
82 : 2 : break;
83 : 0 : case 'R':
84 : 0 : *value_name = "Realtime";
85 : 0 : break;
86 : 0 : case 'M':
87 : 0 : *value_name = "Microcontroller";
88 : 0 : break;
89 : : }
90 : 2 : return true;
91 : 2 : case 8:
92 : 2 : *tag_name = "ARM_ISA_use";
93 [ + - ]: 2 : KNOWN_VALUES ("No", "Yes");
94 : 2 : return true;
95 : 2 : case 9:
96 : 2 : *tag_name = "THUMB_ISA_use";
97 [ + - ]: 2 : KNOWN_VALUES ("No", "Thumb-1", "Thumb-2");
98 : 2 : return true;
99 : 2 : case 10:
100 : 2 : *tag_name = "VFP_arch";
101 [ + - ]: 2 : KNOWN_VALUES ("No", "VFPv1", "VFPv2", "VFPv3", "VFPv3-D16");
102 : 2 : return true;
103 : 0 : case 11:
104 : 0 : *tag_name = "WMMX_arch";
105 [ # # ]: 0 : KNOWN_VALUES ("No", "WMMXv1", "WMMXv2");
106 : 0 : return true;
107 : 0 : case 12:
108 : 0 : *tag_name = "Advanced_SIMD_arch";
109 [ # # ]: 0 : KNOWN_VALUES ("No", "NEONv1");
110 : 0 : return true;
111 : 0 : case 13:
112 : 0 : *tag_name = "PCS_config";
113 [ # # ]: 0 : KNOWN_VALUES ("None",
114 : : "Bare platform",
115 : : "Linux application",
116 : : "Linux DSO",
117 : : "PalmOS 2004",
118 : : "PalmOS (reserved)",
119 : : "SymbianOS 2004",
120 : : "SymbianOS (reserved)");
121 : 0 : return true;
122 : 0 : case 14:
123 : 0 : *tag_name = "ABI_PCS_R9_use";
124 [ # # ]: 0 : KNOWN_VALUES ("V6", "SB", "TLS", "Unused");
125 : 0 : return true;
126 : 0 : case 15:
127 : 0 : *tag_name = "ABI_PCS_RW_data";
128 [ # # ]: 0 : KNOWN_VALUES ("Absolute", "PC-relative", "SB-relative", "None");
129 : 0 : return true;
130 : 0 : case 16:
131 : 0 : *tag_name = "ABI_PCS_RO_data";
132 [ # # ]: 0 : KNOWN_VALUES ("Absolute", "PC-relative", "None");
133 : 0 : return true;
134 : 0 : case 17:
135 : 0 : *tag_name = "ABI_PCS_GOT_use";
136 [ # # ]: 0 : KNOWN_VALUES ("None", "direct", "GOT-indirect");
137 : 0 : return true;
138 : 2 : case 18:
139 : 2 : *tag_name = "ABI_PCS_wchar_t";
140 : 2 : return true;
141 : 2 : case 19:
142 : 2 : *tag_name = "ABI_FP_rounding";
143 [ + - ]: 2 : KNOWN_VALUES ("Unused", "Needed");
144 : 2 : return true;
145 : 2 : case 20:
146 : 2 : *tag_name = "ABI_FP_denormal";
147 [ + - ]: 2 : KNOWN_VALUES ("Unused", "Needed", "Sign only");
148 : 2 : return true;
149 : 2 : case 21:
150 : 2 : *tag_name = "ABI_FP_exceptions";
151 [ + - ]: 2 : KNOWN_VALUES ("Unused", "Needed");
152 : 2 : return true;
153 : 0 : case 22:
154 : 0 : *tag_name = "ABI_FP_user_exceptions";
155 [ # # ]: 0 : KNOWN_VALUES ("Unused", "Needed");
156 : 0 : return true;
157 : 2 : case 23:
158 : 2 : *tag_name = "ABI_FP_number_model";
159 [ + - ]: 2 : KNOWN_VALUES ("Unused", "Finite", "RTABI", "IEEE 754");
160 : 2 : return true;
161 : 2 : case 24:
162 : 2 : *tag_name = "ABI_align8_needed";
163 [ + - ]: 2 : KNOWN_VALUES ("No", "Yes", "4-byte");
164 : 2 : return true;
165 : 2 : case 25:
166 : 2 : *tag_name = "ABI_align8_preserved";
167 [ + - ]: 2 : KNOWN_VALUES ("No", "Yes, except leaf SP", "Yes");
168 : 2 : return true;
169 : 2 : case 26:
170 : 2 : *tag_name = "ABI_enum_size";
171 [ + - ]: 2 : KNOWN_VALUES ("Unused", "small", "int", "forced to int");
172 : 2 : return true;
173 : 2 : case 27:
174 : 2 : *tag_name = "ABI_HardFP_use";
175 [ + - ]: 2 : KNOWN_VALUES ("as VFP_arch", "SP only", "DP only", "SP and DP");
176 : 2 : return true;
177 : 2 : case 28:
178 : 2 : *tag_name = "ABI_VFP_args";
179 [ + - ]: 2 : KNOWN_VALUES ("AAPCS", "VFP registers", "custom");
180 : 2 : return true;
181 : 0 : case 29:
182 : 0 : *tag_name = "ABI_WMMX_args";
183 [ # # ]: 0 : KNOWN_VALUES ("AAPCS", "WMMX registers", "custom");
184 : 0 : return true;
185 : 0 : case 30:
186 : 0 : *tag_name = "ABI_optimization_goals";
187 [ # # ]: 0 : KNOWN_VALUES ("None",
188 : : "Prefer Speed",
189 : : "Aggressive Speed",
190 : : "Prefer Size",
191 : : "Aggressive Size",
192 : : "Prefer Debug",
193 : : "Aggressive Debug");
194 : 0 : return true;
195 : 0 : case 31:
196 : 0 : *tag_name = "ABI_FP_optimization_goals";
197 [ # # ]: 0 : KNOWN_VALUES ("None",
198 : : "Prefer Speed",
199 : : "Aggressive Speed",
200 : : "Prefer Size",
201 : : "Aggressive Size",
202 : : "Prefer Accuracy",
203 : : "Aggressive Accuracy");
204 : 0 : return true;
205 : 2 : case 34:
206 : 2 : *tag_name = "CPU_unaligned_access";
207 [ + - ]: 2 : KNOWN_VALUES ("None", "v6");
208 : 2 : return true;
209 : 0 : case 36:
210 : 0 : *tag_name = "VFP_HP_extension";
211 [ # # ]: 0 : KNOWN_VALUES ("Not Allowed", "Allowed");
212 : 0 : return true;
213 : 0 : case 38:
214 : 0 : *tag_name = "ABI_FP_16bit_format";
215 [ # # ]: 0 : KNOWN_VALUES ("None", "IEEE 754", "Alternative Format");
216 : 0 : return true;
217 : 0 : case 64:
218 : 0 : *tag_name = "nodefaults";
219 : 0 : return true;
220 : 0 : case 65:
221 : 0 : *tag_name = "also_compatible_with";
222 : 0 : return true;
223 : 0 : case 66:
224 : 0 : *tag_name = "T2EE_use";
225 [ # # ]: 0 : KNOWN_VALUES ("Not Allowed", "Allowed");
226 : 0 : return true;
227 : 0 : case 67:
228 : 0 : *tag_name = "conformance";
229 : 0 : return true;
230 : 0 : case 68:
231 : 0 : *tag_name = "Virtualization_use";
232 [ # # ]: 0 : KNOWN_VALUES ("Not Allowed", "Allowed");
233 : 0 : return true;
234 : 0 : case 70:
235 : 0 : *tag_name = "MPextension_use";
236 [ # # ]: 0 : KNOWN_VALUES ("Not Allowed", "Allowed");
237 : 0 : return true;
238 : : }
239 : :
240 : : return false;
241 : : }
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