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/* 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 and other useful constants. */
enum
{
MIPS_INSN16_SIZE = 2,
MIPS_INSN32_SIZE = 4,
/* The number of floating-point or integer registers. */
MIPS_NUMREGS = 32
};
/* 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);
/* Return the currently configured (or set) saved register size. */
extern unsigned int mips_abi_regsize (struct gdbarch *gdbarch);
#endif /* MIPS_TDEP_H */
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