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/* Branch trace support for GDB, the GNU debugger.
Copyright (C) 2013-2014 Free Software Foundation, Inc.
Contributed by Intel Corp. <markus.t.metzger@intel.com>.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef BTRACE_COMMON_H
#define BTRACE_COMMON_H
/* Branch tracing (btrace) is a per-thread control-flow execution trace of the
inferior. For presentation purposes, the branch trace is represented as a
list of sequential control-flow blocks, one such list per thread. */
#ifdef GDBSERVER
# include "server.h"
#else
# include "defs.h"
#endif
#include "vec.h"
/* A branch trace block.
This represents a block of sequential control-flow. Adjacent blocks will be
connected via calls, returns, or jumps. The latter can be direct or
indirect, conditional or unconditional. Branches can further be
asynchronous, e.g. interrupts. */
struct btrace_block
{
/* The address of the first byte of the first instruction in the block. */
CORE_ADDR begin;
/* The address of the first byte of the last instruction in the block. */
CORE_ADDR end;
};
/* Branch trace is represented as a vector of branch trace blocks starting with
the most recent block. */
typedef struct btrace_block btrace_block_s;
/* Define functions operating on a vector of branch trace blocks. */
DEF_VEC_O (btrace_block_s);
/* Target specific branch trace information. */
struct btrace_target_info;
/* Enumeration of btrace read types. */
enum btrace_read_type
{
/* Send all available trace. */
btrace_read_all,
/* Send all available trace, if it changed. */
btrace_read_new
};
#endif /* BTRACE_COMMON_H */
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