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/* Ravenscar PowerPC target support.
Copyright (C) 2011-2023 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 "ppc-tdep.h"
#include "inferior.h"
#include "ravenscar-thread.h"
#include "ppc-ravenscar-thread.h"
#define NO_OFFSET -1
/* See ppc-tdep.h for register numbers. */
static const int powerpc_context_offsets[] =
{
/* R0 - R32 */
NO_OFFSET, 0, 4, NO_OFFSET,
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
NO_OFFSET, 8, 12, 16,
20, 24, 28, 32,
36, 40, 44, 48,
52, 56, 60, 64,
68, 72, 76, 80,
/* F0 - F31 */
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, 96, 104,
112, 120, 128, 136,
144, 152, 160, 168,
176, 184, 192, 200,
208, 216, 224, 232,
/* PC, MSR, CR, LR */
88, NO_OFFSET, 84, NO_OFFSET,
/* CTR, XER, FPSCR */
NO_OFFSET, NO_OFFSET, 240
};
static const int e500_context_offsets[] =
{
/* R0 - R32 */
NO_OFFSET, 4, 12, NO_OFFSET,
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
NO_OFFSET, 20, 28, 36,
44, 52, 60, 68,
76, 84, 92, 100,
108, 116, 124, 132,
140, 148, 156, 164,
/* F0 - F31 */
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, 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,
/* PC, MSR, CR, LR */
172, NO_OFFSET, 168, NO_OFFSET,
/* CTR, XER, FPSCR, MQ */
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
/* Upper R0-R32. */
NO_OFFSET, 0, 8, NO_OFFSET,
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET,
NO_OFFSET, 16, 24, 32,
40, 48, 56, 64,
72, 80, 88, 96,
104, 112, 120, 128,
136, 144, 152, 160,
/* ACC, FSCR */
NO_OFFSET, 176
};
/* The ravenscar_arch_ops vector for most PowerPC targets. */
static struct ravenscar_arch_ops ppc_ravenscar_powerpc_ops
(powerpc_context_offsets);
/* Register ppc_ravenscar_powerpc_ops in GDBARCH. */
void
register_ppc_ravenscar_ops (struct gdbarch *gdbarch)
{
set_gdbarch_ravenscar_ops (gdbarch, &ppc_ravenscar_powerpc_ops);
}
/* The ravenscar_arch_ops vector for E500 targets. */
static struct ravenscar_arch_ops ppc_ravenscar_e500_ops (e500_context_offsets);
/* Register ppc_ravenscar_e500_ops in GDBARCH. */
void
register_e500_ravenscar_ops (struct gdbarch *gdbarch)
{
set_gdbarch_ravenscar_ops (gdbarch, &ppc_ravenscar_e500_ops);
}
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