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+/* ppc.h -- Header file for PowerPC opcode table
+   Copyright 1994, 1995, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
+   Written by Ian Lance Taylor, Cygnus Support
+
+This file is part of GDB, GAS, and the GNU binutils.
+
+GDB, GAS, and the GNU binutils are free software; you can redistribute
+them and/or modify them under the terms of the GNU General Public
+License as published by the Free Software Foundation; either version
+1, or (at your option) any later version.
+
+GDB, GAS, and the GNU binutils are distributed in the hope that they
+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 file; see the file COPYING.  If not, write to the Free
+Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#ifndef PPC_H
+#define PPC_H
+
+/* The opcode table is an array of struct powerpc_opcode.  */
+
+struct powerpc_opcode
+{
+  /* The opcode name.  */
+  const char *name;
+
+  /* The opcode itself.  Those bits which will be filled in with
+     operands are zeroes.  */
+  unsigned long opcode;
+
+  /* The opcode mask.  This is used by the disassembler.  This is a
+     mask containing ones indicating those bits which must match the
+     opcode field, and zeroes indicating those bits which need not
+     match (and are presumably filled in by operands).  */
+  unsigned long mask;
+
+  /* One bit flags for the opcode.  These are used to indicate which
+     specific processors support the instructions.  The defined values
+     are listed below.  */
+  unsigned long flags;
+
+  /* An array of operand codes.  Each code is an index into the
+     operand table.  They appear in the order which the operands must
+     appear in assembly code, and are terminated by a zero.  */
+  unsigned char operands[8];
+};
+
+/* The table itself is sorted by major opcode number, and is otherwise
+   in the order in which the disassembler should consider
+   instructions.  */
+extern const struct powerpc_opcode powerpc_opcodes[];
+extern const int powerpc_num_opcodes;
+
+/* Values defined for the flags field of a struct powerpc_opcode.  */
+
+/* Opcode is defined for the PowerPC architecture.  */
+#define PPC_OPCODE_PPC			 1
+
+/* Opcode is defined for the POWER (RS/6000) architecture.  */
+#define PPC_OPCODE_POWER		 2
+
+/* Opcode is defined for the POWER2 (Rios 2) architecture.  */
+#define PPC_OPCODE_POWER2		 4
+
+/* Opcode is only defined on 32 bit architectures.  */
+#define PPC_OPCODE_32			 8
+
+/* Opcode is only defined on 64 bit architectures.  */
+#define PPC_OPCODE_64		      0x10
+
+/* Opcode is supported by the Motorola PowerPC 601 processor.  The 601
+   is assumed to support all PowerPC (PPC_OPCODE_PPC) instructions,
+   but it also supports many additional POWER instructions.  */
+#define PPC_OPCODE_601		      0x20
+
+/* Opcode is supported in both the Power and PowerPC architectures
+   (ie, compiler's -mcpu=common or assembler's -mcom).  */
+#define PPC_OPCODE_COMMON	      0x40
+
+/* Opcode is supported for any Power or PowerPC platform (this is
+   for the assembler's -many option, and it eliminates duplicates).  */
+#define PPC_OPCODE_ANY		      0x80
+
+/* Opcode is supported as part of the 64-bit bridge.  */
+#define PPC_OPCODE_64_BRIDGE	     0x100
+
+/* Opcode is supported by Altivec Vector Unit */
+#define PPC_OPCODE_ALTIVEC	     0x200
+
+/* Opcode is supported by PowerPC 403 processor.  */
+#define PPC_OPCODE_403		     0x400
+
+/* Opcode is supported by PowerPC BookE processor.  */
+#define PPC_OPCODE_BOOKE	     0x800
+
+/* Opcode is only supported by 64-bit PowerPC BookE processor.  */
+#define PPC_OPCODE_BOOKE64	    0x1000
+
+/* Opcode is supported by PowerPC 440 processor.  */
+#define PPC_OPCODE_440		    0x2000
+
+/* Opcode is only supported by Power4 architecture.  */
+#define PPC_OPCODE_POWER4	    0x4000
+
+/* Opcode isn't supported by Power4 architecture.  */
+#define PPC_OPCODE_NOPOWER4	    0x8000
+
+/* Opcode is only supported by POWERPC Classic architecture.  */
+#define PPC_OPCODE_CLASSIC	   0x10000
+
+/* Opcode is only supported by e500x2 Core.  */
+#define PPC_OPCODE_SPE		   0x20000
+
+/* Opcode is supported by e500x2 Integer select APU.  */
+#define PPC_OPCODE_ISEL		   0x40000
+
+/* Opcode is an e500 SPE floating point instruction.  */
+#define PPC_OPCODE_EFS		   0x80000
+
+/* Opcode is supported by branch locking APU.  */
+#define PPC_OPCODE_BRLOCK	  0x100000
+
+/* Opcode is supported by performance monitor APU.  */
+#define PPC_OPCODE_PMR		  0x200000
+
+/* Opcode is supported by cache locking APU.  */
+#define PPC_OPCODE_CACHELCK	  0x400000
+
+/* Opcode is supported by machine check APU.  */
+#define PPC_OPCODE_RFMCI	  0x800000
+
+/* Opcode is only supported by Power5 architecture.  */
+#define PPC_OPCODE_POWER5	 0x1000000
+
+/* Opcode is supported by PowerPC e300 family.  */
+#define PPC_OPCODE_E300          0x2000000
+
+/* Opcode is only supported by Power6 architecture.  */
+#define PPC_OPCODE_POWER6	 0x4000000
+
+/* Opcode is only supported by PowerPC Cell family.  */
+#define PPC_OPCODE_CELL		 0x8000000
+
+/* A macro to extract the major opcode from an instruction.  */
+#define PPC_OP(i) (((i) >> 26) & 0x3f)
+
+/* The operands table is an array of struct powerpc_operand.  */
+
+struct powerpc_operand
+{
+  /* The number of bits in the operand.  */
+  int bits;
+
+  /* How far the operand is left shifted in the instruction.  */
+  int shift;
+
+  /* Insertion function.  This is used by the assembler.  To insert an
+     operand value into an instruction, check this field.
+
+     If it is NULL, execute
+         i |= (op & ((1 << o->bits) - 1)) << o->shift;
+     (i is the instruction which we are filling in, o is a pointer to
+     this structure, and op is the opcode value; this assumes twos
+     complement arithmetic).
+
+     If this field is not NULL, then simply call it with the
+     instruction and the operand value.  It will return the new value
+     of the instruction.  If the ERRMSG argument is not NULL, then if
+     the operand value is illegal, *ERRMSG will be set to a warning
+     string (the operand will be inserted in any case).  If the
+     operand value is legal, *ERRMSG will be unchanged (most operands
+     can accept any value).  */
+  unsigned long (*insert)
+    (unsigned long instruction, long op, int dialect, const char **errmsg);
+
+  /* Extraction function.  This is used by the disassembler.  To
+     extract this operand type from an instruction, check this field.
+
+     If it is NULL, compute
+         op = ((i) >> o->shift) & ((1 << o->bits) - 1);
+	 if ((o->flags & PPC_OPERAND_SIGNED) != 0
+	     && (op & (1 << (o->bits - 1))) != 0)
+	   op -= 1 << o->bits;
+     (i is the instruction, o is a pointer to this structure, and op
+     is the result; this assumes twos complement arithmetic).
+
+     If this field is not NULL, then simply call it with the
+     instruction value.  It will return the value of the operand.  If
+     the INVALID argument is not NULL, *INVALID will be set to
+     non-zero if this operand type can not actually be extracted from
+     this operand (i.e., the instruction does not match).  If the
+     operand is valid, *INVALID will not be changed.  */
+  long (*extract) (unsigned long instruction, int dialect, int *invalid);
+
+  /* One bit syntax flags.  */
+  unsigned long flags;
+};
+
+/* Elements in the table are retrieved by indexing with values from
+   the operands field of the powerpc_opcodes table.  */
+
+extern const struct powerpc_operand powerpc_operands[];
+
+/* Values defined for the flags field of a struct powerpc_operand.  */
+
+/* This operand takes signed values.  */
+#define PPC_OPERAND_SIGNED (01)
+
+/* This operand takes signed values, but also accepts a full positive
+   range of values when running in 32 bit mode.  That is, if bits is
+   16, it takes any value from -0x8000 to 0xffff.  In 64 bit mode,
+   this flag is ignored.  */
+#define PPC_OPERAND_SIGNOPT (02)
+
+/* This operand does not actually exist in the assembler input.  This
+   is used to support extended mnemonics such as mr, for which two
+   operands fields are identical.  The assembler should call the
+   insert function with any op value.  The disassembler should call
+   the extract function, ignore the return value, and check the value
+   placed in the valid argument.  */
+#define PPC_OPERAND_FAKE (04)
+
+/* The next operand should be wrapped in parentheses rather than
+   separated from this one by a comma.  This is used for the load and
+   store instructions which want their operands to look like
+       reg,displacement(reg)
+   */
+#define PPC_OPERAND_PARENS (010)
+
+/* This operand may use the symbolic names for the CR fields, which
+   are
+       lt  0	gt  1	eq  2	so  3	un  3
+       cr0 0	cr1 1	cr2 2	cr3 3
+       cr4 4	cr5 5	cr6 6	cr7 7
+   These may be combined arithmetically, as in cr2*4+gt.  These are
+   only supported on the PowerPC, not the POWER.  */
+#define PPC_OPERAND_CR (020)
+
+/* This operand names a register.  The disassembler uses this to print
+   register names with a leading 'r'.  */
+#define PPC_OPERAND_GPR (040)
+
+/* Like PPC_OPERAND_GPR, but don't print a leading 'r' for r0.  */
+#define PPC_OPERAND_GPR_0 (0100)
+
+/* This operand names a floating point register.  The disassembler
+   prints these with a leading 'f'.  */
+#define PPC_OPERAND_FPR (0200)
+
+/* This operand is a relative branch displacement.  The disassembler
+   prints these symbolically if possible.  */
+#define PPC_OPERAND_RELATIVE (0400)
+
+/* This operand is an absolute branch address.  The disassembler
+   prints these symbolically if possible.  */
+#define PPC_OPERAND_ABSOLUTE (01000)
+
+/* This operand is optional, and is zero if omitted.  This is used for
+   example, in the optional BF field in the comparison instructions.  The
+   assembler must count the number of operands remaining on the line,
+   and the number of operands remaining for the opcode, and decide
+   whether this operand is present or not.  The disassembler should
+   print this operand out only if it is not zero.  */
+#define PPC_OPERAND_OPTIONAL (02000)
+
+/* This flag is only used with PPC_OPERAND_OPTIONAL.  If this operand
+   is omitted, then for the next operand use this operand value plus
+   1, ignoring the next operand field for the opcode.  This wretched
+   hack is needed because the Power rotate instructions can take
+   either 4 or 5 operands.  The disassembler should print this operand
+   out regardless of the PPC_OPERAND_OPTIONAL field.  */
+#define PPC_OPERAND_NEXT (04000)
+
+/* This operand should be regarded as a negative number for the
+   purposes of overflow checking (i.e., the normal most negative
+   number is disallowed and one more than the normal most positive
+   number is allowed).  This flag will only be set for a signed
+   operand.  */
+#define PPC_OPERAND_NEGATIVE (010000)
+
+/* This operand names a vector unit register.  The disassembler
+   prints these with a leading 'v'.  */
+#define PPC_OPERAND_VR (020000)
+
+/* This operand is for the DS field in a DS form instruction.  */
+#define PPC_OPERAND_DS (040000)
+
+/* This operand is for the DQ field in a DQ form instruction.  */
+#define PPC_OPERAND_DQ (0100000)
+
+/* The POWER and PowerPC assemblers use a few macros.  We keep them
+   with the operands table for simplicity.  The macro table is an
+   array of struct powerpc_macro.  */
+
+struct powerpc_macro
+{
+  /* The macro name.  */
+  const char *name;
+
+  /* The number of operands the macro takes.  */
+  unsigned int operands;
+
+  /* One bit flags for the opcode.  These are used to indicate which
+     specific processors support the instructions.  The values are the
+     same as those for the struct powerpc_opcode flags field.  */
+  unsigned long flags;
+
+  /* A format string to turn the macro into a normal instruction.
+     Each %N in the string is replaced with operand number N (zero
+     based).  */
+  const char *format;
+};
+
+extern const struct powerpc_macro powerpc_macros[];
+extern const int powerpc_num_macros;
+
+#endif /* PPC_H */