binutils-gdb/gdb/loongarch-tdep.h
Tiezhu Yang 0757a50396 gdb: LoongArch: Define register numbers and clean up code
This commit defines register numbers of various important registers,
we can use them directly in the related code, and also clean up some
code to make them more clear and readable.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
2022-06-25 10:12:48 +08:00

53 lines
1.8 KiB
C

/* Target-dependent header for the LoongArch architecture, for GDB.
Copyright (C) 2022 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 LOONGARCH_TDEP_H
#define LOONGARCH_TDEP_H
#include "gdbarch.h"
#include "arch/loongarch.h"
#include "regset.h"
#include "elf/loongarch.h"
#include "opcode/loongarch.h"
/* Register numbers of various important registers. */
enum
{
LOONGARCH_RA_REGNUM = 1, /* Return Address. */
LOONGARCH_SP_REGNUM = 3, /* Stack Pointer. */
LOONGARCH_A0_REGNUM = 4, /* First Argument/Return Value. */
LOONGARCH_A7_REGNUM = 11, /* Seventh Argument/Syscall Number. */
LOONGARCH_FP_REGNUM = 22, /* Frame Pointer. */
LOONGARCH_PC_REGNUM = 32, /* Program Counter. */
LOONGARCH_BADV_REGNUM = 33, /* Bad Vaddr for Addressing Exception. */
LOONGARCH_LINUX_NUM_GREGSET = 45, /* 32 GPR, PC, BADV, RESERVED 11. */
};
/* Register set definitions. */
extern const struct regset loongarch_gregset;
/* Target-dependent structure in gdbarch. */
struct loongarch_gdbarch_tdep : gdbarch_tdep
{
/* Features about the abi that impact how the gdbarch is configured. */
struct loongarch_gdbarch_features abi_features;
};
#endif /* LOONGARCH_TDEP_H */