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3aee8918 | 1 | /* Target description definitions for remote server for GDB. |
61baf725 | 2 | Copyright (C) 2012-2017 Free Software Foundation, Inc. |
3aee8918 PA |
3 | |
4 | This file is part of GDB. | |
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, see <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef TDESC_H | |
20 | #define TDESC_H | |
21 | ||
f49ff000 YQ |
22 | #include "arch/tdesc.h" |
23 | ||
0a188386 | 24 | #include "regdef.h" |
3aee8918 | 25 | |
f7000548 YQ |
26 | typedef struct reg *tdesc_reg_p; |
27 | DEF_VEC_P(tdesc_reg_p); | |
28 | ||
f49ff000 YQ |
29 | struct tdesc_feature |
30 | {}; | |
31 | ||
32 | /* A target description. Inherit from tdesc_feature so that target_desc | |
33 | can be used as tdesc_feature. */ | |
3aee8918 | 34 | |
f49ff000 | 35 | struct target_desc : tdesc_feature |
3aee8918 | 36 | { |
f7000548 | 37 | /* A vector of elements of register definitions that |
3aee8918 | 38 | describe the inferior's register set. */ |
f7000548 | 39 | VEC(tdesc_reg_p) *reg_defs; |
3aee8918 PA |
40 | |
41 | /* The register cache size, in bytes. */ | |
42 | int registers_size; | |
43 | ||
adc764e7 | 44 | #ifndef IN_PROCESS_AGENT |
3aee8918 PA |
45 | /* An array of register names. These are the "expedite" registers: |
46 | registers whose values are sent along with stop replies. */ | |
f49ff000 | 47 | const char **expedite_regs = NULL; |
3aee8918 PA |
48 | |
49 | /* Defines what to return when looking for the "target.xml" file in | |
50 | response to qXfer:features:read. Its contents can either be | |
51 | verbatim XML code (prefixed with a '@') or else the name of the | |
0abe8a89 YQ |
52 | actual XML file to be used in place of "target.xml". |
53 | ||
54 | It can be NULL, then, its content is got from the following three | |
55 | fields features, arch, and osabi in tdesc_get_features_xml. */ | |
f49ff000 YQ |
56 | const char *xmltarget = NULL; |
57 | ||
0abe8a89 YQ |
58 | /* XML features in this target description. */ |
59 | VEC (char_ptr) *features = NULL; | |
60 | ||
61 | /* The value of <architecture> element in the XML, replying GDB. */ | |
62 | const char *arch = NULL; | |
63 | ||
64 | /* The value of <osabi> element in the XML, replying GDB. */ | |
65 | const char *osabi = NULL; | |
66 | ||
f49ff000 YQ |
67 | public: |
68 | target_desc () | |
69 | : reg_defs (NULL), registers_size (0) | |
70 | {} | |
71 | ||
72 | ~target_desc () | |
73 | { | |
74 | int i; | |
75 | struct reg *reg; | |
76 | ||
77 | for (i = 0; VEC_iterate (tdesc_reg_p, reg_defs, i, reg); i++) | |
78 | xfree (reg); | |
79 | VEC_free (tdesc_reg_p, reg_defs); | |
0abe8a89 YQ |
80 | |
81 | xfree ((char *) arch); | |
82 | xfree ((char *) osabi); | |
83 | ||
84 | char *f; | |
85 | ||
86 | for (i = 0; VEC_iterate (char_ptr, features, i, f); i++) | |
87 | xfree (f); | |
88 | VEC_free (char_ptr, features); | |
f49ff000 | 89 | } |
0a188386 YQ |
90 | |
91 | bool operator== (const target_desc &other) const | |
92 | { | |
93 | if (VEC_length (tdesc_reg_p, reg_defs) | |
94 | != VEC_length (tdesc_reg_p, other.reg_defs)) | |
95 | return false; | |
96 | ||
97 | struct reg *reg; | |
98 | ||
99 | for (int ix = 0; | |
100 | VEC_iterate (tdesc_reg_p, reg_defs, ix, reg); | |
101 | ix++) | |
102 | { | |
103 | struct reg *reg2 | |
104 | = VEC_index (tdesc_reg_p, other.reg_defs, ix); | |
105 | ||
106 | if (reg != reg2 && *reg != *reg2) | |
107 | return false; | |
108 | } | |
109 | ||
110 | /* Compare expedite_regs. */ | |
111 | int i = 0; | |
112 | for (; expedite_regs[i] != NULL; i++) | |
113 | { | |
114 | if (strcmp (expedite_regs[i], other.expedite_regs[i]) != 0) | |
115 | return false; | |
116 | } | |
117 | if (other.expedite_regs[i] != NULL) | |
118 | return false; | |
119 | ||
0a188386 YQ |
120 | return true; |
121 | } | |
122 | ||
123 | bool operator!= (const target_desc &other) const | |
124 | { | |
125 | return !(*this == other); | |
126 | } | |
adc764e7 | 127 | #endif |
3aee8918 PA |
128 | }; |
129 | ||
130 | /* Copy target description SRC to DEST. */ | |
131 | ||
132 | void copy_target_description (struct target_desc *dest, | |
133 | const struct target_desc *src); | |
134 | ||
135 | /* Initialize TDESC. */ | |
136 | ||
137 | void init_target_desc (struct target_desc *tdesc); | |
138 | ||
139 | /* Return the current inferior's target description. Never returns | |
140 | NULL. */ | |
141 | ||
142 | const struct target_desc *current_target_desc (void); | |
143 | ||
0abe8a89 | 144 | #ifndef IN_PROCESS_AGENT |
0abe8a89 YQ |
145 | const char *tdesc_get_features_xml (struct target_desc *tdesc); |
146 | #endif | |
147 | ||
3aee8918 | 148 | #endif /* TDESC_H */ |