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/*--------------------------------------------------------------------*/
/*--- Handle extensions. extension-main.c ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright (C) IBM Corp. 2024
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 2 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/>.
The GNU General Public License is contained in the file COPYING.
*/
/* Contributed by Andreas Arnez */
#include "libvex_guest_offsets.h"
#include "pub_core_extension.h"
#include "pub_core_libcassert.h"
#include "pub_core_threadstate.h"
#include "priv_extension.h"
/* This is the top-level of the extension handler module. Extensions provide a
means of executing instructions whose register and memory effects are too
complex to be expressed with dirty helpers.
*/
#if defined(VGP_s390x_linux)
/* --- This is the main function of this file. --- */
enum ExtensionError VG_(client_extension)(ThreadId tid)
{
ThreadState* tst;
vg_assert(VG_(is_valid_tid)(tid));
vg_assert(tid >= 1 && tid < VG_N_THREADS);
vg_assert(VG_(is_running_thread)(tid));
tst = VG_(get_ThreadState)(tid);
return ML_(do_client_extension)(tst);
}
#else
enum ExtensionError VG_(client_extension)(ThreadId tid)
{
VG_(core_panic)("Extension handler not implemented for this architecture");
}
#endif
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