/* Target-dependent code for GNU/Linux on MIPS processors.
|
/* Target-dependent code for GNU/Linux on MIPS processors.
|
|
|
Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
|
Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
|
|
|
This file is part of GDB.
|
This file is part of GDB.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3 of the License, or
|
the Free Software Foundation; either version 3 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
/* Copied from <asm/elf.h>. */
|
/* Copied from <asm/elf.h>. */
|
#define ELF_NGREG 45
|
#define ELF_NGREG 45
|
#define ELF_NFPREG 33
|
#define ELF_NFPREG 33
|
|
|
typedef unsigned char mips_elf_greg_t[4];
|
typedef unsigned char mips_elf_greg_t[4];
|
typedef mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG];
|
typedef mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG];
|
|
|
typedef unsigned char mips_elf_fpreg_t[8];
|
typedef unsigned char mips_elf_fpreg_t[8];
|
typedef mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG];
|
typedef mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG];
|
|
|
/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
|
/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
|
#define FPR_BASE 32
|
#define FPR_BASE 32
|
#define PC 64
|
#define PC 64
|
#define CAUSE 65
|
#define CAUSE 65
|
#define BADVADDR 66
|
#define BADVADDR 66
|
#define MMHI 67
|
#define MMHI 67
|
#define MMLO 68
|
#define MMLO 68
|
#define FPC_CSR 69
|
#define FPC_CSR 69
|
#define FPC_EIR 70
|
#define FPC_EIR 70
|
|
|
#define EF_REG0 6
|
#define EF_REG0 6
|
#define EF_REG31 37
|
#define EF_REG31 37
|
#define EF_LO 38
|
#define EF_LO 38
|
#define EF_HI 39
|
#define EF_HI 39
|
#define EF_CP0_EPC 40
|
#define EF_CP0_EPC 40
|
#define EF_CP0_BADVADDR 41
|
#define EF_CP0_BADVADDR 41
|
#define EF_CP0_STATUS 42
|
#define EF_CP0_STATUS 42
|
#define EF_CP0_CAUSE 43
|
#define EF_CP0_CAUSE 43
|
|
|
#define EF_SIZE 180
|
#define EF_SIZE 180
|
|
|
void mips_supply_gregset (struct regcache *, const mips_elf_gregset_t *);
|
void mips_supply_gregset (struct regcache *, const mips_elf_gregset_t *);
|
void mips_fill_gregset (const struct regcache *, mips_elf_gregset_t *, int);
|
void mips_fill_gregset (const struct regcache *, mips_elf_gregset_t *, int);
|
void mips_supply_fpregset (struct regcache *, const mips_elf_fpregset_t *);
|
void mips_supply_fpregset (struct regcache *, const mips_elf_fpregset_t *);
|
void mips_fill_fpregset (const struct regcache *, mips_elf_fpregset_t *, int);
|
void mips_fill_fpregset (const struct regcache *, mips_elf_fpregset_t *, int);
|
|
|
/* 64-bit support. */
|
/* 64-bit support. */
|
|
|
/* Copied from <asm/elf.h>. */
|
/* Copied from <asm/elf.h>. */
|
#define MIPS64_ELF_NGREG 45
|
#define MIPS64_ELF_NGREG 45
|
#define MIPS64_ELF_NFPREG 33
|
#define MIPS64_ELF_NFPREG 33
|
|
|
typedef unsigned char mips64_elf_greg_t[8];
|
typedef unsigned char mips64_elf_greg_t[8];
|
typedef mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG];
|
typedef mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG];
|
|
|
typedef unsigned char mips64_elf_fpreg_t[8];
|
typedef unsigned char mips64_elf_fpreg_t[8];
|
typedef mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG];
|
typedef mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG];
|
|
|
/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
|
/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
|
#define MIPS64_FPR_BASE 32
|
#define MIPS64_FPR_BASE 32
|
#define MIPS64_PC 64
|
#define MIPS64_PC 64
|
#define MIPS64_CAUSE 65
|
#define MIPS64_CAUSE 65
|
#define MIPS64_BADVADDR 66
|
#define MIPS64_BADVADDR 66
|
#define MIPS64_MMHI 67
|
#define MIPS64_MMHI 67
|
#define MIPS64_MMLO 68
|
#define MIPS64_MMLO 68
|
#define MIPS64_FPC_CSR 69
|
#define MIPS64_FPC_CSR 69
|
#define MIPS64_FPC_EIR 70
|
#define MIPS64_FPC_EIR 70
|
|
|
#define MIPS64_EF_REG0 0
|
#define MIPS64_EF_REG0 0
|
#define MIPS64_EF_REG31 31
|
#define MIPS64_EF_REG31 31
|
#define MIPS64_EF_LO 32
|
#define MIPS64_EF_LO 32
|
#define MIPS64_EF_HI 33
|
#define MIPS64_EF_HI 33
|
#define MIPS64_EF_CP0_EPC 34
|
#define MIPS64_EF_CP0_EPC 34
|
#define MIPS64_EF_CP0_BADVADDR 35
|
#define MIPS64_EF_CP0_BADVADDR 35
|
#define MIPS64_EF_CP0_STATUS 36
|
#define MIPS64_EF_CP0_STATUS 36
|
#define MIPS64_EF_CP0_CAUSE 37
|
#define MIPS64_EF_CP0_CAUSE 37
|
|
|
#define MIPS64_EF_SIZE 304
|
#define MIPS64_EF_SIZE 304
|
|
|
void mips64_supply_gregset (struct regcache *, const mips64_elf_gregset_t *);
|
void mips64_supply_gregset (struct regcache *, const mips64_elf_gregset_t *);
|
void mips64_fill_gregset (const struct regcache *, mips64_elf_gregset_t *, int);
|
void mips64_fill_gregset (const struct regcache *, mips64_elf_gregset_t *, int);
|
void mips64_supply_fpregset (struct regcache *, const mips64_elf_fpregset_t *);
|
void mips64_supply_fpregset (struct regcache *, const mips64_elf_fpregset_t *);
|
void mips64_fill_fpregset (const struct regcache *, mips64_elf_fpregset_t *, int);
|
void mips64_fill_fpregset (const struct regcache *, mips64_elf_fpregset_t *, int);
|
|
|
enum {
|
enum {
|
/* The Linux kernel stores an error code from any interrupted
|
/* The Linux kernel stores an error code from any interrupted
|
syscall in a "register" (in $0's save slot). */
|
syscall in a "register" (in $0's save slot). */
|
MIPS_RESTART_REGNUM = MIPS_LAST_EMBED_REGNUM + 1
|
MIPS_RESTART_REGNUM = MIPS_LAST_EMBED_REGNUM + 1
|
};
|
};
|
|
|
/* Return 1 if MIPS_RESTART_REGNUM is usable. */
|
/* Return 1 if MIPS_RESTART_REGNUM is usable. */
|
|
|
int mips_linux_restart_reg_p (struct gdbarch *gdbarch);
|
int mips_linux_restart_reg_p (struct gdbarch *gdbarch);
|
|
|
