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

/* Target-dependent header for the MIPS architecture, for GDB, the GNU Debugger.

   Copyright 2002, 2003 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 2 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, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifndef MIPS_TDEP_H
#define MIPS_TDEP_H

struct gdbarch;

/* All the possible MIPS ABIs. */
enum mips_abi
  {
    MIPS_ABI_UNKNOWN = 0,
    MIPS_ABI_N32,
    MIPS_ABI_O32,
    MIPS_ABI_N64,
    MIPS_ABI_O64,
    MIPS_ABI_EABI32,
    MIPS_ABI_EABI64,
    MIPS_ABI_LAST
  };

/* Return the MIPS ABI associated with GDBARCH.  */
enum mips_abi mips_abi (struct gdbarch *gdbarch);

/* For wince :-(.  */
extern CORE_ADDR mips_next_pc (CORE_ADDR pc);

/* Return the MIPS ISA's register size.  Just a short cut to the BFD
   architecture's word size.  */
extern int mips_isa_regsize (struct gdbarch *gdbarch);

/* Return the current index for various MIPS registers.  */
struct mips_regnum
{
  int pc;
  int fp0;
  int fp_implementation_revision;
  int fp_control_status;
  int badvaddr;		/* Bad vaddr for addressing exception.  */
  int cause;		/* Describes last exception.  */
  int hi;		/* Multiply/divide temp.  */
  int lo;		/* ...  */
};
extern const struct mips_regnum *mips_regnum (struct gdbarch *gdbarch);

enum
{
  MIPS_ZERO_REGNUM = 0,
  MIPS_AT_REGNUM = 1,
  MIPS_V0_REGNUM = 2,
  MIPS_A0_REGNUM = 4,
  MIPS_T9_REGNUM = 25,
  MIPS_SP_REGNUM = 29,
  MIPS_RA_REGNUM = 31,
  MIPS_EMBED_LO_REGNUM = 33,
  MIPS_EMBED_HI_REGNUM = 34,
  MIPS_EMBED_BADVADDR_REGNUM = 35,
  MIPS_EMBED_CAUSE_REGNUM = 36,
  MIPS_EMBED_PC_REGNUM = 37,
  MIPS_EMBED_FP0_REGNUM = 38
};

/* Defined in mips-tdep.c and used in remote-mips.c */
extern void deprecated_mips_set_processor_regs_hack (void);

/* Instruction sizes.  */
enum mips_insn_size
{
  MIPS16_INSN_SIZE = 2,
  MIPS32_INSN_SIZE = 4
};

/* Single step based on where the current instruction will take us.  */
extern void mips_software_single_step (enum target_signal, int);

/* Tell if the program counter value in MEMADDR is in a MIPS16
   function.  */
extern int mips_pc_is_mips16 (bfd_vma memaddr);

#endif /* MIPS_TDEP_H */
Commit	Line	Data
d1973055 KB	1	/* Target-dependent header for the MIPS architecture, for GDB, the GNU Debugger.
d1973055 KB	2
4246e332	3	Copyright 2002, 2003 Free Software Foundation, Inc.
d1973055 KB	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 2 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, write to the Free Software
	19	Foundation, Inc., 59 Temple Place - Suite 330,
	20	Boston, MA 02111-1307, USA. */
	21
	22	#ifndef MIPS_TDEP_H
	23	#define MIPS_TDEP_H
	24
da3331ec AC	25	struct gdbarch;
da3331ec AC	26
d1973055 KB	27	/* All the possible MIPS ABIs. */
	28	enum mips_abi
	29	{
	30	MIPS_ABI_UNKNOWN = 0,
	31	MIPS_ABI_N32,
	32	MIPS_ABI_O32,
	33	MIPS_ABI_N64,
	34	MIPS_ABI_O64,
	35	MIPS_ABI_EABI32,
	36	MIPS_ABI_EABI64,
	37	MIPS_ABI_LAST
	38	};
	39
	40	/* Return the MIPS ABI associated with GDBARCH. */
	41	enum mips_abi mips_abi (struct gdbarch *gdbarch);
	42
e14e6e9c AC	43	/* For wince :-(. */
	44	extern CORE_ADDR mips_next_pc (CORE_ADDR pc);
	45
1b13c4f6	46	/* Return the MIPS ISA's register size. Just a short cut to the BFD
4246e332	47	architecture's word size. */
1b13c4f6	48	extern int mips_isa_regsize (struct gdbarch *gdbarch);
4246e332	49
56cea623 AC	50	/* Return the current index for various MIPS registers. */
	51	struct mips_regnum
	52	{
	53	int pc;
	54	int fp0;
	55	int fp_implementation_revision;
	56	int fp_control_status;
	57	int badvaddr; /* Bad vaddr for addressing exception. */
	58	int cause; /* Describes last exception. */
	59	int hi; /* Multiply/divide temp. */
	60	int lo; /* ... */
	61	};
	62	extern const struct mips_regnum mips_regnum (struct gdbarch gdbarch);
	63
9c46b6f0 MK	64	enum
	65	{
	66	MIPS_ZERO_REGNUM = 0,
	67	MIPS_AT_REGNUM = 1,
	68	MIPS_V0_REGNUM = 2,
	69	MIPS_A0_REGNUM = 4,
	70	MIPS_T9_REGNUM = 25,
f10683bb	71	MIPS_SP_REGNUM = 29,
9c46b6f0	72	MIPS_RA_REGNUM = 31,
56cea623 AC	73	MIPS_EMBED_LO_REGNUM = 33,
	74	MIPS_EMBED_HI_REGNUM = 34,
	75	MIPS_EMBED_BADVADDR_REGNUM = 35,
	76	MIPS_EMBED_CAUSE_REGNUM = 36,
	77	MIPS_EMBED_PC_REGNUM = 37,
	78	MIPS_EMBED_FP0_REGNUM = 38
	79	};
	80
691c0433 AC	81	/* Defined in mips-tdep.c and used in remote-mips.c */
	82	extern void deprecated_mips_set_processor_regs_hack (void);
	83
9c46b6f0 MK	84	/* Instruction sizes. */
	85	enum mips_insn_size
	86	{
	87	MIPS16_INSN_SIZE = 2,
	88	MIPS32_INSN_SIZE = 4
	89	};
	90
0d0266c6 AC	91	/* Single step based on where the current instruction will take us. */
0d0266c6 AC	92	extern void mips_software_single_step (enum target_signal, int);
691c0433	93
0fe7e7c8 AC	94	/* Tell if the program counter value in MEMADDR is in a MIPS16
	95	function. */
	96	extern int mips_pc_is_mips16 (bfd_vma memaddr);
	97
d1973055	98	#endif /* MIPS_TDEP_H */