/* Target-dependent header for the MIPS architecture, for GDB, the GNU Debugger.
- Copyright 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2007, 2008 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
+ 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,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef MIPS_TDEP_H
#define MIPS_TDEP_H
/* 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" register size. Just a short cut to the BFD
+/* Return the MIPS ISA's register size. Just a short cut to the BFD
architecture's word size. */
-extern int mips_regsize (struct gdbarch *gdbarch);
+extern int mips_isa_regsize (struct gdbarch *gdbarch);
/* Return the current index for various MIPS registers. */
struct mips_regnum
};
extern const struct mips_regnum *mips_regnum (struct gdbarch *gdbarch);
-enum {
+/* Register numbers of various important registers. */
+
+enum
+{
+ MIPS_ZERO_REGNUM = 0, /* Read-only register, always 0. */
+ MIPS_AT_REGNUM = 1,
+ MIPS_V0_REGNUM = 2, /* Function integer return value. */
+ MIPS_A0_REGNUM = 4, /* Loc of first arg during a subr call */
+ MIPS_T9_REGNUM = 25, /* Contains address of callee in PIC. */
+ MIPS_SP_REGNUM = 29,
+ MIPS_RA_REGNUM = 31,
+ MIPS_PS_REGNUM = 32, /* Contains processor status. */
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
+ MIPS_EMBED_FP0_REGNUM = 38,
+ MIPS_UNUSED_REGNUM = 73, /* Never used, FIXME */
+ MIPS_FIRST_EMBED_REGNUM = 74, /* First CP0 register for embedded use. */
+ MIPS_PRID_REGNUM = 89, /* Processor ID. */
+ MIPS_LAST_EMBED_REGNUM = 89 /* Last one. */
};
/* 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 int mips_software_single_step (struct frame_info *frame);
+
+/* 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);
+
+/* Target descriptions which only indicate the size of general
+ registers. */
+extern struct target_desc *mips_tdesc_gp32;
+extern struct target_desc *mips_tdesc_gp64;
#endif /* MIPS_TDEP_H */