xref: /dragonfly/contrib/gdb-7/gdb/common/agent.h (revision 0720b42f)
1 /* Shared utility routines for GDB to interact with agent.
2 
3    Copyright (C) 2009-2013 Free Software Foundation, Inc.
4 
5    This file is part of GDB.
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, see <http://www.gnu.org/licenses/>.  */
19 
20 int agent_run_command (int pid, const char *cmd, int len);
21 
22 int agent_look_up_symbols (void *);
23 
24 #define STRINGIZE_1(STR) #STR
25 #define STRINGIZE(STR) STRINGIZE_1(STR)
26 #define IPA_SYM(SYM)                                   \
27   {                                                    \
28     STRINGIZE (gdb_agent_ ## SYM),			\
29     offsetof (struct ipa_sym_addresses, addr_ ## SYM)	\
30   }
31 
32 /* The size in bytes of the buffer used to talk to the IPA helper
33    thread.  */
34 #define IPA_CMD_BUF_SIZE 1024
35 
36 int agent_loaded_p (void);
37 
38 extern int debug_agent;
39 
40 extern int use_agent;
41 
42 /* Capability of agent.  Different agents may have different capabilities,
43    such as installing fast tracepoint or evaluating breakpoint conditions.
44    Capabilities are represented by bit-maps, and each capability occupies one
45    bit.  */
46 
47 enum agent_capa
48 {
49   /* Capability to install fast tracepoint.  */
50   AGENT_CAPA_FAST_TRACE = 0x1,
51   /* Capability to install static tracepoint.  */
52   AGENT_CAPA_STATIC_TRACE = (0x1 << 1),
53 };
54 
55 int agent_capability_check (enum agent_capa);
56 
57 void agent_capability_invalidate (void);
58