forked from Imagelibrary/binutils-gdb
129 lines
2.3 KiB
C
129 lines
2.3 KiB
C
/* Ravenscar Aarch64 target support.
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Copyright (C) 2017-2023 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "aarch64-tdep.h"
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#include "inferior.h"
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#include "ravenscar-thread.h"
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#include "aarch64-ravenscar-thread.h"
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#include "gdbarch.h"
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#define NO_OFFSET -1
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/* See aarch64-tdep.h for register numbers. */
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static const int aarch64_context_offsets[] = {
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/* X0 - X28 */
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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NO_OFFSET,
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0,
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8,
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16,
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24,
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32,
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40,
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48,
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56,
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64,
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72,
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/* FP, LR, SP, PC, CPSR */
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/* Note that as task switch is synchronous, PC is in fact the LR here */
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80,
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88,
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96,
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88,
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NO_OFFSET,
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/* V0 - V31 */
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128,
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144,
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160,
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176,
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192,
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208,
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224,
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240,
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256,
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272,
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288,
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304,
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320,
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336,
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352,
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368,
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384,
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400,
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416,
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432,
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448,
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464,
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480,
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496,
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512,
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528,
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544,
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560,
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576,
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592,
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608,
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624,
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/* FPSR, FPCR */
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112,
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116,
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};
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#define V_INIT_OFFSET 640
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/* The ravenscar_arch_ops vector for most Aarch64 targets. */
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static struct ravenscar_arch_ops aarch64_ravenscar_ops (
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aarch64_context_offsets, -1, -1, V_INIT_OFFSET,
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/* The FPU context buffer starts with the FPSR register. */
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aarch64_context_offsets[AARCH64_FPSR_REGNUM], AARCH64_V0_REGNUM,
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AARCH64_FPCR_REGNUM);
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/* Register aarch64_ravenscar_ops in GDBARCH. */
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void
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register_aarch64_ravenscar_ops (struct gdbarch *gdbarch)
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{
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set_gdbarch_ravenscar_ops (gdbarch, &aarch64_ravenscar_ops);
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}
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