1 /* Copyright (C) 2012-2018 Free Software Foundation, Inc.
3 This file is part of GDB.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #ifndef IN_PROCESS_AGENT
24 target_desc::~target_desc ()
26 xfree ((char *) arch
);
27 xfree ((char *) osabi
);
30 bool target_desc::operator== (const target_desc
&other
) const
32 if (reg_defs
!= other
.reg_defs
)
35 /* Compare expedite_regs. */
37 for (; expedite_regs
[i
] != NULL
; i
++)
39 if (strcmp (expedite_regs
[i
], other
.expedite_regs
[i
]) != 0)
42 if (other
.expedite_regs
[i
] != NULL
)
50 void target_desc::accept (tdesc_element_visitor
&v
) const
52 #ifndef IN_PROCESS_AGENT
55 for (const tdesc_feature_up
&feature
: features
)
63 init_target_desc (struct target_desc
*tdesc
)
67 /* Go through all the features and populate reg_defs. */
68 for (const tdesc_feature_up
&feature
: tdesc
->features
)
69 for (const tdesc_reg_up
&treg
: feature
->registers
)
71 int regnum
= treg
->target_regnum
;
73 /* Register number will increase (possibly with gaps) or be zero. */
74 gdb_assert (regnum
== 0 || regnum
>= tdesc
->reg_defs
.size ());
77 tdesc
->reg_defs
.resize (regnum
, reg (offset
));
79 tdesc
->reg_defs
.emplace_back (treg
->name
.c_str (), offset
,
81 offset
+= treg
->bitsize
;
84 tdesc
->registers_size
= offset
/ 8;
86 /* Make sure PBUFSIZ is large enough to hold a full register
88 gdb_assert (2 * tdesc
->registers_size
+ 32 <= PBUFSIZ
);
92 allocate_target_description (void)
94 return new target_desc ();
97 #ifndef IN_PROCESS_AGENT
99 static const struct target_desc default_description
{};
102 copy_target_description (struct target_desc
*dest
,
103 const struct target_desc
*src
)
105 dest
->reg_defs
= src
->reg_defs
;
106 dest
->expedite_regs
= src
->expedite_regs
;
107 dest
->registers_size
= src
->registers_size
;
108 dest
->xmltarget
= src
->xmltarget
;
111 const struct target_desc
*
112 current_target_desc (void)
114 if (current_thread
== NULL
)
115 return &default_description
;
117 return current_process ()->tdesc
;
120 /* See common/tdesc.h. */
123 tdesc_architecture_name (const struct target_desc
*target_desc
)
125 return target_desc
->arch
;
128 /* See common/tdesc.h. */
131 set_tdesc_architecture (struct target_desc
*target_desc
,
134 target_desc
->arch
= xstrdup (name
);
137 /* See common/tdesc.h. */
140 tdesc_osabi_name (const struct target_desc
*target_desc
)
142 return target_desc
->osabi
;
145 /* See common/tdesc.h. */
148 set_tdesc_osabi (struct target_desc
*target_desc
, const char *name
)
150 target_desc
->osabi
= xstrdup (name
);
153 /* See common/tdesc.h. */
156 tdesc_get_features_xml (const target_desc
*tdesc
)
158 /* Either .xmltarget or .features is not NULL. */
159 gdb_assert (tdesc
->xmltarget
!= NULL
160 || (!tdesc
->features
.empty ()
161 && tdesc
->arch
!= NULL
));
163 if (tdesc
->xmltarget
== NULL
)
165 std::string
buffer ("@");
166 print_xml_feature
v (&buffer
);
168 tdesc
->xmltarget
= xstrdup (buffer
.c_str ());
171 return tdesc
->xmltarget
;
175 /* See common/tdesc.h. */
177 struct tdesc_feature
*
178 tdesc_create_feature (struct target_desc
*tdesc
, const char *name
)
180 struct tdesc_feature
*new_feature
= new tdesc_feature (name
);
181 tdesc
->features
.emplace_back (new_feature
);