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

diff --git a/gdb/mips-tdep.h b/gdb/mips-tdep.h
index 67d8cd855c9ab346abb7c918efb1dfbf54d56594..5273a6b05ede7da7934f85246861df070168bb45 100644 (file)
--- a/gdb/mips-tdep.h
+++ b/gdb/mips-tdep.h
@@ -1,6 +1,6 @@
 /* Target-dependent header for the MIPS architecture, for GDB, the GNU Debugger.
 
-   Copyright 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -16,8 +16,8 @@
 
    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.  */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #ifndef MIPS_TDEP_H
 #define MIPS_TDEP_H
@@ -61,20 +61,55 @@ struct mips_regnum
 };
 extern const struct mips_regnum *mips_regnum (struct gdbarch *gdbarch);
 
-enum {
+/* Register numbers of various important registers.  Note that some of
+   these values are "real" register numbers, and correspond to the
+   general registers of the machine, and some are "phony" register
+   numbers which are too large to be actual register numbers as far as
+   the user is concerned but do serve to get the desired values when
+   passed to read_register.  */
+
+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 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 */