1 /* Branch trace support for GDB, the GNU debugger.
3 Copyright (C) 2013 Free Software Foundation, Inc.
5 Contributed by Intel Corp. <markus.t.metzger@intel.com>.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #ifndef BTRACE_COMMON_H
23 #define BTRACE_COMMON_H
25 /* Branch tracing (btrace) is a per-thread control-flow execution trace of the
26 inferior. For presentation purposes, the branch trace is represented as a
27 list of sequential control-flow blocks, one such list per thread. */
37 /* A branch trace block.
39 This represents a block of sequential control-flow. Adjacent blocks will be
40 connected via calls, returns, or jumps. The latter can be direct or
41 indirect, conditional or unconditional. Branches can further be
42 asynchronous, e.g. interrupts. */
45 /* The address of the first byte of the first instruction in the block. */
48 /* The address of the first byte of the last instruction in the block. */
52 /* Branch trace is represented as a vector of branch trace blocks starting with
53 the most recent block. */
54 typedef struct btrace_block btrace_block_s
;
56 /* Define functions operating on a vector of branch trace blocks. */
57 DEF_VEC_O (btrace_block_s
);
59 /* Target specific branch trace information. */
60 struct btrace_target_info
;
62 /* Enumeration of btrace read types. */
66 /* Send all available trace. */
69 /* Send all available trace, if it changed. */
73 #endif /* BTRACE_COMMON_H */