[deliverable/binutils-gdb.git] / gdb / mips-linux-tdep.h

/* Target-dependent code for GNU/Linux on MIPS processors.

   Copyright 2006, 2007, 2008, 2009 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/>.  */

/* Copied from <asm/elf.h>.  */
#define ELF_NGREG       45
#define ELF_NFPREG      33

typedef unsigned char mips_elf_greg_t[4];
typedef mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG];

typedef unsigned char mips_elf_fpreg_t[8];
typedef mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG];

/* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
#define FPR_BASE	32
#define PC		64
#define CAUSE		65
#define BADVADDR	66
#define MMHI		67
#define MMLO		68
#define FPC_CSR		69
#define FPC_EIR		70

#define EF_REG0			6
#define EF_REG31		37
#define EF_LO			38
#define EF_HI			39
#define EF_CP0_EPC		40
#define EF_CP0_BADVADDR		41
#define EF_CP0_STATUS		42
#define EF_CP0_CAUSE		43

#define EF_SIZE			180

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_supply_fpregset (struct regcache *, const mips_elf_fpregset_t *);
void mips_fill_fpregset (const struct regcache *, mips_elf_fpregset_t *, int);

/* 64-bit support.  */

/* Copied from <asm/elf.h>.  */
#define MIPS64_ELF_NGREG       45
#define MIPS64_ELF_NFPREG      33

typedef unsigned char mips64_elf_greg_t[8];
typedef mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG];

typedef unsigned char mips64_elf_fpreg_t[8];
typedef mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG];

/* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
#define MIPS64_FPR_BASE                 32
#define MIPS64_PC                       64
#define MIPS64_CAUSE                    65
#define MIPS64_BADVADDR                 66
#define MIPS64_MMHI                     67
#define MIPS64_MMLO                     68
#define MIPS64_FPC_CSR                  69
#define MIPS64_FPC_EIR                  70

#define MIPS64_EF_REG0			 0
#define MIPS64_EF_REG31			31
#define MIPS64_EF_LO			32
#define MIPS64_EF_HI			33
#define MIPS64_EF_CP0_EPC		34
#define MIPS64_EF_CP0_BADVADDR		35
#define MIPS64_EF_CP0_STATUS		36
#define MIPS64_EF_CP0_CAUSE		37

#define MIPS64_EF_SIZE			304

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_supply_fpregset (struct regcache *, const mips64_elf_fpregset_t *);
void mips64_fill_fpregset (const struct regcache *, mips64_elf_fpregset_t *, int);

enum {
  /* The Linux kernel stores an error code from any interrupted
     syscall in a "register" (in $0's save slot).  */
  MIPS_RESTART_REGNUM = MIPS_LAST_EMBED_REGNUM + 1
};

/* Return 1 if MIPS_RESTART_REGNUM is usable.  */

int mips_linux_restart_reg_p (struct gdbarch *gdbarch);
Commit	Line	Data
	1	/* Target-dependent code for GNU/Linux on MIPS processors.
	2
	3	Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
	4
	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 3 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	19
	20	/* Copied from <asm/elf.h>. */
	21	#define ELF_NGREG 45
	22	#define ELF_NFPREG 33
	23
	24	typedef unsigned char mips_elf_greg_t[4];
	25	typedef mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG];
	26
	27	typedef unsigned char mips_elf_fpreg_t[8];
	28	typedef mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG];
	29
	30	/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
	31	#define FPR_BASE 32
	32	#define PC 64
	33	#define CAUSE 65
	34	#define BADVADDR 66
	35	#define MMHI 67
	36	#define MMLO 68
	37	#define FPC_CSR 69
	38	#define FPC_EIR 70
	39
	40	#define EF_REG0 6
	41	#define EF_REG31 37
	42	#define EF_LO 38
	43	#define EF_HI 39
	44	#define EF_CP0_EPC 40
	45	#define EF_CP0_BADVADDR 41
	46	#define EF_CP0_STATUS 42
	47	#define EF_CP0_CAUSE 43
	48
	49	#define EF_SIZE 180
	50
	51	void mips_supply_gregset (struct regcache , const mips_elf_gregset_t );
	52	void mips_fill_gregset (const struct regcache , mips_elf_gregset_t , int);
	53	void mips_supply_fpregset (struct regcache , const mips_elf_fpregset_t );
	54	void mips_fill_fpregset (const struct regcache , mips_elf_fpregset_t , int);
	55
	56	/* 64-bit support. */
	57
	58	/* Copied from <asm/elf.h>. */
	59	#define MIPS64_ELF_NGREG 45
	60	#define MIPS64_ELF_NFPREG 33
	61
	62	typedef unsigned char mips64_elf_greg_t[8];
	63	typedef mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG];
	64
	65	typedef unsigned char mips64_elf_fpreg_t[8];
	66	typedef mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG];
	67
	68	/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
	69	#define MIPS64_FPR_BASE 32
	70	#define MIPS64_PC 64
	71	#define MIPS64_CAUSE 65
	72	#define MIPS64_BADVADDR 66
	73	#define MIPS64_MMHI 67
	74	#define MIPS64_MMLO 68
	75	#define MIPS64_FPC_CSR 69
	76	#define MIPS64_FPC_EIR 70
	77
	78	#define MIPS64_EF_REG0 0
	79	#define MIPS64_EF_REG31 31
	80	#define MIPS64_EF_LO 32
	81	#define MIPS64_EF_HI 33
	82	#define MIPS64_EF_CP0_EPC 34
	83	#define MIPS64_EF_CP0_BADVADDR 35
	84	#define MIPS64_EF_CP0_STATUS 36
	85	#define MIPS64_EF_CP0_CAUSE 37
	86
	87	#define MIPS64_EF_SIZE 304
	88
	89	void mips64_supply_gregset (struct regcache , const mips64_elf_gregset_t );
	90	void mips64_fill_gregset (const struct regcache , mips64_elf_gregset_t , int);
	91	void mips64_supply_fpregset (struct regcache , const mips64_elf_fpregset_t );
	92	void mips64_fill_fpregset (const struct regcache , mips64_elf_fpregset_t , int);
	93
	94	enum {
	95	/* The Linux kernel stores an error code from any interrupted
	96	syscall in a "register" (in $0's save slot). */
	97	MIPS_RESTART_REGNUM = MIPS_LAST_EMBED_REGNUM + 1
	98	};
	99
	100	/* Return 1 if MIPS_RESTART_REGNUM is usable. */
	101
	102	int mips_linux_restart_reg_p (struct gdbarch *gdbarch);