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/* Target used to communicate with the AMD Debugger API.
Copyright (C) 2019-2024 Free Software Foundation, Inc.
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 AMD_DBGAPI_TARGET_H
#define AMD_DBGAPI_TARGET_H 1
#include "gdbsupport/observable.h"
#include <amd-dbgapi/amd-dbgapi.h>
struct inferior;
namespace detail
{
template <typename T>
using is_amd_dbgapi_handle
= gdb::Or<std::is_same<T, amd_dbgapi_address_class_id_t>,
std::is_same<T, amd_dbgapi_address_space_id_t>,
std::is_same<T, amd_dbgapi_architecture_id_t>,
std::is_same<T, amd_dbgapi_agent_id_t>,
std::is_same<T, amd_dbgapi_breakpoint_id_t>,
std::is_same<T, amd_dbgapi_code_object_id_t>,
std::is_same<T, amd_dbgapi_dispatch_id_t>,
std::is_same<T, amd_dbgapi_displaced_stepping_id_t>,
std::is_same<T, amd_dbgapi_event_id_t>,
std::is_same<T, amd_dbgapi_process_id_t>,
std::is_same<T, amd_dbgapi_queue_id_t>,
std::is_same<T, amd_dbgapi_register_class_id_t>,
std::is_same<T, amd_dbgapi_register_id_t>,
std::is_same<T, amd_dbgapi_watchpoint_id_t>,
std::is_same<T, amd_dbgapi_wave_id_t>>;
} /* namespace detail */
/* Get the token of amd-dbgapi's inferior_created observer. */
const gdb::observers::token &
get_amd_dbgapi_target_inferior_created_observer_token ();
/* Comparison operators for amd-dbgapi handle types. */
template <typename T,
typename = gdb::Requires<detail::is_amd_dbgapi_handle<T>>>
bool
operator== (const T &lhs, const T &rhs)
{
return lhs.handle == rhs.handle;
}
template <typename T,
typename = gdb::Requires<detail::is_amd_dbgapi_handle<T>>>
bool
operator!= (const T &lhs, const T &rhs)
{
return !(lhs == rhs);
}
/* Return true if the given ptid is a GPU thread (wave) ptid. */
static inline bool
ptid_is_gpu (ptid_t ptid)
{
/* FIXME: Currently using values that are known not to conflict with other
processes to indicate if it is a GPU thread. ptid.pid 1 is the init
process and is the only process that could have a ptid.lwp of 1. The init
process cannot have a GPU. No other process can have a ptid.lwp of 1.
The GPU wave ID is stored in the ptid.tid. */
return ptid.pid () != 1 && ptid.lwp () == 1;
}
/* Return INF's amd_dbgapi process id. */
amd_dbgapi_process_id_t get_amd_dbgapi_process_id (inferior *inf);
/* Get the amd-dbgapi wave id for PTID. */
static inline amd_dbgapi_wave_id_t
get_amd_dbgapi_wave_id (ptid_t ptid)
{
gdb_assert (ptid_is_gpu (ptid));
return amd_dbgapi_wave_id_t {
static_cast<decltype (amd_dbgapi_wave_id_t::handle)> (ptid.tid ())
};
}
/* Get the textual version of STATUS.
Always returns non-nullptr, and asserts that STATUS has a valid value. */
static inline const char *
get_status_string (amd_dbgapi_status_t status)
{
const char *ret;
status = amd_dbgapi_get_status_string (status, &ret);
gdb_assert (status == AMD_DBGAPI_STATUS_SUCCESS);
return ret;
}
#endif /* AMD_DBGAPI_TARGET_H */
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