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Diffstat (limited to 'arch/ppc/xmon/ppc.h')
| -rw-r--r-- | arch/ppc/xmon/ppc.h | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/arch/ppc/xmon/ppc.h b/arch/ppc/xmon/ppc.h deleted file mode 100644 index 2345ecba1fe9..000000000000 --- a/arch/ppc/xmon/ppc.h +++ /dev/null @@ -1,240 +0,0 @@ -/* ppc.h -- Header file for PowerPC opcode table - Copyright 1994 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 (01) - -/* Opcode is defined for the POWER (RS/6000) architecture. */ -#define PPC_OPCODE_POWER (02) - -/* Opcode is defined for the POWER2 (Rios 2) architecture. */ -#define PPC_OPCODE_POWER2 (04) - -/* Opcode is only defined on 32 bit architectures. */ -#define PPC_OPCODE_32 (010) - -/* Opcode is only defined on 64 bit architectures. */ -#define PPC_OPCODE_64 (020) - -/* 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 (040) - -/* 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) PARAMS ((unsigned long instruction, long op, - 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) PARAMS ((unsigned long instruction, 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) - -/* This operand names a floating point register. The disassembler - prints these with a leading 'f'. */ -#define PPC_OPERAND_FPR (0100) - -/* This operand is a relative branch displacement. The disassembler - prints these symbolically if possible. */ -#define PPC_OPERAND_RELATIVE (0200) - -/* This operand is an absolute branch address. The disassembler - prints these symbolically if possible. */ -#define PPC_OPERAND_ABSOLUTE (0400) - -/* This operand is optional, and is zero if omitted. This is used for - the optional BF and L fields 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 (01000) - -/* 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 (02000) - -/* 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 (04000) - -/* 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 */ |