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/* Ravenscar Aarch64 target support.
Copyright (C) 2017-2023 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/>. */
#include "defs.h"
#include "gdbcore.h"
#include "regcache.h"
#include "aarch64-tdep.h"
#include "inferior.h"
#include "ravenscar-thread.h"
#include "aarch64-ravenscar-thread.h"
#include "gdbarch.h"
#define NO_OFFSET -1
/* See aarch64-tdep.h for register numbers. */
static const int aarch64_context_offsets[] =
{
/* X0 - X28 */
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
NO_OFFSET, NO_OFFSET, NO_OFFSET, 0,
8, 16, 24, 32,
40, 48, 56, 64,
72,
/* FP, LR, SP, PC, CPSR */
/* Note that as task switch is synchronous, PC is in fact the LR here */
80, 88, 96, 88,
NO_OFFSET,
/* V0 - V31 */
128, 144, 160, 176,
192, 208, 224, 240,
256, 272, 288, 304,
320, 336, 352, 368,
384, 400, 416, 432,
448, 464, 480, 496,
512, 528, 544, 560,
576, 592, 608, 624,
/* FPSR, FPCR */
112, 116,
};
#define V_INIT_OFFSET 640
/* The ravenscar_arch_ops vector for most Aarch64 targets. */
static struct ravenscar_arch_ops aarch64_ravenscar_ops
(aarch64_context_offsets,
-1, -1,
V_INIT_OFFSET,
/* The FPU context buffer starts with the FPSR register. */
aarch64_context_offsets[AARCH64_FPSR_REGNUM],
AARCH64_V0_REGNUM, AARCH64_FPCR_REGNUM);
/* Register aarch64_ravenscar_ops in GDBARCH. */
void
register_aarch64_ravenscar_ops (struct gdbarch *gdbarch)
{
set_gdbarch_ravenscar_ops (gdbarch, &aarch64_ravenscar_ops);
}
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