diff options
Diffstat (limited to 'contrib/binutils/include/opcode')
| -rw-r--r-- | contrib/binutils/include/opcode/arc.h | 274 | ||||
| -rw-r--r-- | contrib/binutils/include/opcode/cgen.h | 1399 | ||||
| -rw-r--r-- | contrib/binutils/include/opcode/mips.h | 749 |
3 files changed, 0 insertions, 2422 deletions
diff --git a/contrib/binutils/include/opcode/arc.h b/contrib/binutils/include/opcode/arc.h deleted file mode 100644 index a1e0ca152632..000000000000 --- a/contrib/binutils/include/opcode/arc.h +++ /dev/null @@ -1,274 +0,0 @@ -/* Opcode table for the ARC. - Copyright 1994, 1995, 1997 Free Software Foundation, Inc. - Contributed by Doug Evans (dje@cygnus.com). - -This file is part of GAS, the GNU Assembler, GDB, the GNU debugger, and -the GNU Binutils. - -GAS/GDB 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, or (at your option) -any later version. - -GAS/GDB 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 GAS or GDB; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* List of the various cpu types. - The tables currently use bit masks to say whether the instruction or - whatever is supported by a particular cpu. This lets us have one entry - apply to several cpus. - - This duplicates bfd_mach_arc_xxx. For now I wish to isolate this from bfd - and bfd from this. Also note that these numbers are bit values as we want - to allow for things available on more than one ARC (but not necessarily all - ARCs). */ - -/* The `base' cpu must be 0 (table entries are omitted for the base cpu). - The cpu type is treated independently of endianness. - The complete `mach' number includes endianness. - These values are internal to opcodes/bfd/binutils/gas. */ -#define ARC_MACH_BASE 0 -#define ARC_MACH_UNUSED1 1 -#define ARC_MACH_UNUSED2 2 -#define ARC_MACH_UNUSED4 4 -/* Additional cpu values can be inserted here and ARC_MACH_BIG moved down. */ -#define ARC_MACH_BIG 8 - -/* Mask of number of bits necessary to record cpu type. */ -#define ARC_MACH_CPU_MASK 7 -/* Mask of number of bits necessary to record cpu type + endianness. */ -#define ARC_MACH_MASK 15 - -/* Type to denote an ARC instruction (at least a 32 bit unsigned int). */ -typedef unsigned int arc_insn; - -struct arc_opcode { - char *syntax; /* syntax of insn */ - unsigned long mask, value; /* recognize insn if (op&mask)==value */ - int flags; /* various flag bits */ - -/* Values for `flags'. */ - -/* Return CPU number, given flag bits. */ -#define ARC_OPCODE_CPU(bits) ((bits) & ARC_MACH_CPU_MASK) -/* Return MACH number, given flag bits. */ -#define ARC_OPCODE_MACH(bits) ((bits) & ARC_MACH_MASK) -/* First opcode flag bit available after machine mask. */ -#define ARC_OPCODE_FLAG_START ((ARC_MACH_MASK + 1) << 0) -/* This insn is a conditional branch. */ -#define ARC_OPCODE_COND_BRANCH (ARC_OPCODE_FLAG_START) - - /* These values are used to optimize assembly and disassembly. Each insn is - on a list of related insns (same first letter for assembly, same insn code - for disassembly). */ - struct arc_opcode *next_asm; /* Next instruction to try during assembly. */ - struct arc_opcode *next_dis; /* Next instruction to try during disassembly. */ - - /* Macros to create the hash values for the lists. */ -#define ARC_HASH_OPCODE(string) \ - ((string)[0] >= 'a' && (string)[0] <= 'z' ? (string)[0] - 'a' : 26) -#define ARC_HASH_ICODE(insn) \ - ((unsigned int) (insn) >> 27) - - /* Macros to access `next_asm', `next_dis' so users needn't care about the - underlying mechanism. */ -#define ARC_OPCODE_NEXT_ASM(op) ((op)->next_asm) -#define ARC_OPCODE_NEXT_DIS(op) ((op)->next_dis) -}; - -struct arc_operand_value { - char *name; /* eg: "eq" */ - short value; /* eg: 1 */ - unsigned char type; /* index into `arc_operands' */ - unsigned char flags; /* various flag bits */ - -/* Values for `flags'. */ - -/* Return CPU number, given flag bits. */ -#define ARC_OPVAL_CPU(bits) ((bits) & ARC_MACH_CPU_MASK) -/* Return MACH number, given flag bits. */ -#define ARC_OPVAL_MACH(bits) ((bits) & ARC_MACH_MASK) -}; - -struct arc_operand { - /* One of the insn format chars. */ - unsigned char fmt; - - /* The number of bits in the operand (may be unused for a modifier). */ - unsigned char bits; - - /* How far the operand is left shifted in the instruction, or - the modifier's flag bit (may be unused for a modifier. */ - unsigned char shift; - - /* Various flag bits. */ - int flags; - -/* Values for `flags'. */ - -/* This operand is a suffix to the opcode. */ -#define ARC_OPERAND_SUFFIX 1 - -/* This operand is a relative branch displacement. The disassembler - prints these symbolically if possible. */ -#define ARC_OPERAND_RELATIVE_BRANCH 2 - -/* This operand is an absolute branch address. The disassembler - prints these symbolically if possible. */ -#define ARC_OPERAND_ABSOLUTE_BRANCH 4 - -/* This operand is an address. The disassembler - prints these symbolically if possible. */ -#define ARC_OPERAND_ADDRESS 8 - -/* This operand is a long immediate value. */ -#define ARC_OPERAND_LIMM 0x10 - -/* This operand takes signed values. */ -#define ARC_OPERAND_SIGNED 0x20 - -/* This operand takes signed values, but also accepts a full positive - range of values. That is, if bits is 16, it takes any value from - -0x8000 to 0xffff. */ -#define ARC_OPERAND_SIGNOPT 0x40 - -/* 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 ARC_OPERAND_NEGATIVE 0x80 - -/* This operand doesn't really exist. The program uses these operands - in special ways. */ -#define ARC_OPERAND_FAKE 0x100 - -/* Modifier values. */ -/* A dot is required before a suffix. Eg: .le */ -#define ARC_MOD_DOT 0x1000 - -/* A normal register is allowed (not used, but here for completeness). */ -#define ARC_MOD_REG 0x2000 - -/* An auxiliary register name is expected. */ -#define ARC_MOD_AUXREG 0x4000 - -/* Sum of all ARC_MOD_XXX bits. */ -#define ARC_MOD_BITS 0x7000 - -/* Non-zero if the operand type is really a modifier. */ -#define ARC_MOD_P(X) ((X) & ARC_MOD_BITS) - - /* 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 |= (p & ((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. - - REG is non-NULL when inserting a register value. */ - - arc_insn (*insert) PARAMS ((arc_insn insn, - const struct arc_operand *operand, int mods, - const struct arc_operand_value *reg, long value, - 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 & ARC_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. - - INSN is a pointer to an array of two `arc_insn's. The first element is - the insn, the second is the limm if present. - - Operands that have a printable form like registers and suffixes have - their struct arc_operand_value pointer stored in OPVAL. */ - - long (*extract) PARAMS ((arc_insn *insn, - const struct arc_operand *operand, - int mods, const struct arc_operand_value **opval, - int *invalid)); -}; - -/* Bits that say what version of cpu we have. - These should be passed to arc_init_opcode_tables. - At present, all there is is the cpu type. */ - -/* CPU number, given value passed to `arc_init_opcode_tables'. */ -#define ARC_HAVE_CPU(bits) ((bits) & ARC_MACH_CPU_MASK) -/* MACH number, given value passed to `arc_init_opcode_tables'. */ -#define ARC_HAVE_MACH(bits) ((bits) & ARC_MACH_MASK) - -/* Special register values: */ -#define ARC_REG_SHIMM_UPDATE 61 -#define ARC_REG_SHIMM 63 -#define ARC_REG_LIMM 62 - -/* Non-zero if REG is a constant marker. */ -#define ARC_REG_CONSTANT_P(REG) ((REG) >= 61) - -/* Positions and masks of various fields: */ -#define ARC_SHIFT_REGA 21 -#define ARC_SHIFT_REGB 15 -#define ARC_SHIFT_REGC 9 -#define ARC_MASK_REG 63 - -/* Delay slot types. */ -#define ARC_DELAY_NONE 0 /* no delay slot */ -#define ARC_DELAY_NORMAL 1 /* delay slot in both cases */ -#define ARC_DELAY_JUMP 2 /* delay slot only if branch taken */ - -/* Non-zero if X will fit in a signed 9 bit field. */ -#define ARC_SHIMM_CONST_P(x) ((long) (x) >= -256 && (long) (x) <= 255) - -extern const struct arc_operand arc_operands[]; -extern const int arc_operand_count; -extern /*const*/ struct arc_opcode arc_opcodes[]; -extern const int arc_opcodes_count; -extern const struct arc_operand_value arc_suffixes[]; -extern const int arc_suffixes_count; -extern const struct arc_operand_value arc_reg_names[]; -extern const int arc_reg_names_count; -extern unsigned char arc_operand_map[]; - -/* Utility fns in arc-opc.c. */ -int arc_get_opcode_mach PARAMS ((int, int)); -/* `arc_opcode_init_tables' must be called before `arc_xxx_supported'. */ -void arc_opcode_init_tables PARAMS ((int)); -void arc_opcode_init_insert PARAMS ((void)); -void arc_opcode_init_extract PARAMS ((void)); -const struct arc_opcode *arc_opcode_lookup_asm PARAMS ((const char *)); -const struct arc_opcode *arc_opcode_lookup_dis PARAMS ((unsigned int)); -int arc_opcode_limm_p PARAMS ((long *)); -const struct arc_operand_value *arc_opcode_lookup_suffix PARAMS ((const struct arc_operand *type, int value)); -int arc_opcode_supported PARAMS ((const struct arc_opcode *)); -int arc_opval_supported PARAMS ((const struct arc_operand_value *)); diff --git a/contrib/binutils/include/opcode/cgen.h b/contrib/binutils/include/opcode/cgen.h deleted file mode 100644 index 0cff7c826823..000000000000 --- a/contrib/binutils/include/opcode/cgen.h +++ /dev/null @@ -1,1399 +0,0 @@ -/* Header file for targets using CGEN: Cpu tools GENerator. - -Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. - -This file is part of GDB, the GNU debugger, and the GNU Binutils. - -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 CGEN_H -#define CGEN_H - -/* ??? This file requires bfd.h but only to get bfd_vma. - Seems like an awful lot to require just to get such a fundamental type. - Perhaps the definition of bfd_vma can be moved outside of bfd.h. - Or perhaps one could duplicate its definition in another file. - Until such time, this file conditionally compiles definitions that require - bfd_vma using BFD_VERSION. */ - -/* Enums must be defined before they can be used. - Allow them to be used in struct definitions, even though the enum must - be defined elsewhere. - If CGEN_ARCH isn't defined, this file is being included by something other - than <arch>-desc.h. */ - -/* Prepend the arch name, defined in <arch>-desc.h, and _cgen_ to symbol S. - The lack of spaces in the arg list is important for non-stdc systems. - This file is included by <arch>-desc.h. - It can be included independently of <arch>-desc.h, in which case the arch - dependent portions will be declared as "unknown_cgen_foo". */ - -#ifndef CGEN_SYM -#define CGEN_SYM(s) CONCAT3 (unknown,_cgen_,s) -#endif - -/* This file contains the static (unchanging) pieces and as much other stuff - as we can reasonably put here. It's generally cleaner to put stuff here - rather than having it machine generated if possible. */ - -/* The assembler syntax is made up of expressions (duh...). - At the lowest level the values are mnemonics, register names, numbers, etc. - Above that are subexpressions, if any (an example might be the - "effective address" in m68k cpus). Subexpressions are wip. - At the second highest level are the insns themselves. Above that are - pseudo-insns, synthetic insns, and macros, if any. */ - -/* Lots of cpu's have a fixed insn size, or one which rarely changes, - and it's generally easier to handle these by treating the insn as an - integer type, rather than an array of characters. So we allow targets - to control this. When an integer type the value is in host byte order, - when an array of characters the value is in target byte order. */ - -typedef unsigned int CGEN_INSN_INT; -#if CGEN_INT_INSN_P -typedef CGEN_INSN_INT CGEN_INSN_BYTES; -typedef CGEN_INSN_INT *CGEN_INSN_BYTES_PTR; -#else -typedef unsigned char *CGEN_INSN_BYTES; -typedef unsigned char *CGEN_INSN_BYTES_PTR; -#endif - -#ifdef __GNUC__ -#define CGEN_INLINE __inline__ -#else -#define CGEN_INLINE -#endif - -enum cgen_endian -{ - CGEN_ENDIAN_UNKNOWN, - CGEN_ENDIAN_LITTLE, - CGEN_ENDIAN_BIG -}; - -/* Forward decl. */ - -typedef struct cgen_insn CGEN_INSN; - -/* Opaque pointer version for use by external world. */ - -typedef struct cgen_cpu_desc *CGEN_CPU_DESC; - -/* Attributes. - Attributes are used to describe various random things associated with - an object (ifield, hardware, operand, insn, whatever) and are specified - as name/value pairs. - Integer attributes computed at compile time are currently all that's - supported, though adding string attributes and run-time computation is - straightforward. Integer attribute values are always host int's - (signed or unsigned). For portability, this means 32 bits. - Integer attributes are further categorized as boolean, bitset, integer, - and enum types. Boolean attributes appear frequently enough that they're - recorded in one host int. This limits the maximum number of boolean - attributes to 32, though that's a *lot* of attributes. */ - -/* Type of attribute values. */ - -typedef int CGEN_ATTR_VALUE_TYPE; - -/* Struct to record attribute information. */ - -typedef struct -{ - /* Boolean attributes. */ - unsigned int bool; - /* Non-boolean integer attributes. */ - CGEN_ATTR_VALUE_TYPE nonbool[1]; -} CGEN_ATTR; - -/* Define a structure member for attributes with N non-boolean entries. - There is no maximum number of non-boolean attributes. - There is a maximum of 32 boolean attributes (since they are all recorded - in one host int). */ - -#define CGEN_ATTR_TYPE(n) \ -struct { unsigned int bool; \ - CGEN_ATTR_VALUE_TYPE nonbool[(n) ? (n) : 1]; } - -/* Return the boolean attributes. */ - -#define CGEN_ATTR_BOOLS(a) ((a)->bool) - -/* Non-boolean attribute numbers are offset by this much. */ - -#define CGEN_ATTR_NBOOL_OFFSET 32 - -/* Given a boolean attribute number, return its mask. */ - -#define CGEN_ATTR_MASK(attr) (1 << (attr)) - -/* Return the value of boolean attribute ATTR in ATTRS. */ - -#define CGEN_BOOL_ATTR(attrs, attr) ((CGEN_ATTR_MASK (attr) & (attrs)) != 0) - -/* Return value of attribute ATTR in ATTR_TABLE for OBJ. - OBJ is a pointer to the entity that has the attributes - (??? not used at present but is reserved for future purposes - eventually - the goal is to allow recording attributes in source form and computing - them lazily at runtime, not sure of the details yet). */ - -#define CGEN_ATTR_VALUE(obj, attr_table, attr) \ -((unsigned int) (attr) < CGEN_ATTR_NBOOL_OFFSET \ - ? ((CGEN_ATTR_BOOLS (attr_table) & CGEN_ATTR_MASK (attr)) != 0) \ - : ((attr_table)->nonbool[(attr) - CGEN_ATTR_NBOOL_OFFSET])) - -/* Attribute name/value tables. - These are used to assist parsing of descriptions at run-time. */ - -typedef struct -{ - const char * name; - CGEN_ATTR_VALUE_TYPE value; -} CGEN_ATTR_ENTRY; - -/* For each domain (ifld,hw,operand,insn), list of attributes. */ - -typedef struct -{ - const char * name; - const CGEN_ATTR_ENTRY * dfault; - const CGEN_ATTR_ENTRY * vals; -} CGEN_ATTR_TABLE; - -/* Instruction set variants. */ - -typedef struct { - const char *name; - - /* Default instruction size (in bits). - This is used by the assembler when it encounters an unknown insn. */ - unsigned int default_insn_bitsize; - - /* Base instruction size (in bits). - For non-LIW cpus this is generally the length of the smallest insn. - For LIW cpus its wip (work-in-progress). For the m32r its 32. */ - unsigned int base_insn_bitsize; - - /* Minimum/maximum instruction size (in bits). */ - unsigned int min_insn_bitsize; - unsigned int max_insn_bitsize; -} CGEN_ISA; - -/* Machine variants. */ - -typedef struct { - const char *name; - /* The argument to bfd_arch_info->scan. */ - const char *bfd_name; - /* one of enum mach_attr */ - int num; -} CGEN_MACH; - -/* Parse result (also extraction result). - - The result of parsing an insn is stored here. - To generate the actual insn, this is passed to the insert handler. - When printing an insn, the result of extraction is stored here. - To print the insn, this is passed to the print handler. - - It is machine generated so we don't define it here, - but we do need a forward decl for the handler fns. - - There is one member for each possible field in the insn. - The type depends on the field. - Also recorded here is the computed length of the insn for architectures - where it varies. -*/ - -typedef struct cgen_fields CGEN_FIELDS; - -/* Total length of the insn, as recorded in the `fields' struct. */ -/* ??? The field insert handler has lots of opportunities for optimization - if it ever gets inlined. On architectures where insns all have the same - size, may wish to detect that and make this macro a constant - to allow - further optimizations. */ - -#define CGEN_FIELDS_BITSIZE(fields) ((fields)->length) - -/* Extraction support for variable length insn sets. */ - -/* When disassembling we don't know the number of bytes to read at the start. - So the first CGEN_BASE_INSN_SIZE bytes are read at the start and the rest - are read when needed. This struct controls this. It is basically the - disassemble_info stuff, except that we provide a cache for values already - read (since bytes can typically be read several times to fetch multiple - operands that may be in them), and that extraction of fields is needed - in contexts other than disassembly. */ - -typedef struct { - /* A pointer to the disassemble_info struct. - We don't require dis-asm.h so we use PTR for the type here. - If NULL, BYTES is full of valid data (VALID == -1). */ - PTR dis_info; - /* Points to a working buffer of sufficient size. */ - unsigned char *insn_bytes; - /* Mask of bytes that are valid in INSN_BYTES. */ - unsigned int valid; -} CGEN_EXTRACT_INFO; - -/* Associated with each insn or expression is a set of "handlers" for - performing operations like parsing, printing, etc. These require a bfd_vma - value to be passed around but we don't want all applications to need bfd.h. - So this stuff is only provided if bfd.h has been included. */ - -/* Parse handler. - CD is a cpu table descriptor. - INSN is a pointer to a struct describing the insn being parsed. - STRP is a pointer to a pointer to the text being parsed. - FIELDS is a pointer to a cgen_fields struct in which the results are placed. - If the expression is successfully parsed, *STRP is updated. - If not it is left alone. - The result is NULL if success or an error message. */ -typedef const char * (cgen_parse_fn) - PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *insn_, - const char **strp_, CGEN_FIELDS *fields_)); - -/* Insert handler. - CD is a cpu table descriptor. - INSN is a pointer to a struct describing the insn being parsed. - FIELDS is a pointer to a cgen_fields struct from which the values - are fetched. - INSNP is a pointer to a buffer in which to place the insn. - PC is the pc value of the insn. - The result is an error message or NULL if success. */ - -#ifdef BFD_VERSION -typedef const char * (cgen_insert_fn) - PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *insn_, - CGEN_FIELDS *fields_, CGEN_INSN_BYTES_PTR insnp_, - bfd_vma pc_)); -#else -typedef const char * (cgen_insert_fn) (); -#endif - -/* Extract handler. - CD is a cpu table descriptor. - INSN is a pointer to a struct describing the insn being parsed. - The second argument is a pointer to a struct controlling extraction - (only used for variable length insns). - EX_INFO is a pointer to a struct for controlling reading of further - bytes for the insn. - BASE_INSN is the first CGEN_BASE_INSN_SIZE bytes (host order). - FIELDS is a pointer to a cgen_fields struct in which the results are placed. - PC is the pc value of the insn. - The result is the length of the insn in bits or zero if not recognized. */ - -#ifdef BFD_VERSION -typedef int (cgen_extract_fn) - PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *insn_, - CGEN_EXTRACT_INFO *ex_info_, CGEN_INSN_INT base_insn_, - CGEN_FIELDS *fields_, bfd_vma pc_)); -#else -typedef int (cgen_extract_fn) (); -#endif - -/* Print handler. - CD is a cpu table descriptor. - INFO is a pointer to the disassembly info. - Eg: disassemble_info. It's defined as `PTR' so this file can be included - without dis-asm.h. - INSN is a pointer to a struct describing the insn being printed. - FIELDS is a pointer to a cgen_fields struct. - PC is the pc value of the insn. - LEN is the length of the insn, in bits. */ - -#ifdef BFD_VERSION -typedef void (cgen_print_fn) - PARAMS ((CGEN_CPU_DESC, PTR info_, const CGEN_INSN *insn_, - CGEN_FIELDS *fields_, bfd_vma pc_, int len_)); -#else -typedef void (cgen_print_fn) (); -#endif - -/* Parse/insert/extract/print handlers. - - Indices into the handler tables. - We could use pointers here instead, but 90% of them are generally identical - and that's a lot of redundant data. Making these unsigned char indices - into tables of pointers saves a bit of space. - Using indices also keeps assembler code out of the disassembler and - vice versa. */ - -struct cgen_opcode_handler -{ - unsigned char parse, insert, extract, print; -}; - -/* Assembler interface. - - The interface to the assembler is intended to be clean in the sense that - libopcodes.a is a standalone entity and could be used with any assembler. - Not that one would necessarily want to do that but rather that it helps - keep a clean interface. The interface will obviously be slanted towards - GAS, but at least it's a start. - ??? Note that one possible user of the assembler besides GAS is GDB. - - Parsing is controlled by the assembler which calls - CGEN_SYM (assemble_insn). If it can parse and build the entire insn - it doesn't call back to the assembler. If it needs/wants to call back - to the assembler, cgen_parse_operand_fn is called which can either - - - return a number to be inserted in the insn - - return a "register" value to be inserted - (the register might not be a register per pe) - - queue the argument and return a marker saying the expression has been - queued (eg: a fix-up) - - return an error message indicating the expression wasn't recognizable - - The result is an error message or NULL for success. - The parsed value is stored in the bfd_vma *. */ - -/* Values for indicating what the caller wants. */ - -enum cgen_parse_operand_type -{ - CGEN_PARSE_OPERAND_INIT, - CGEN_PARSE_OPERAND_INTEGER, - CGEN_PARSE_OPERAND_ADDRESS -}; - -/* Values for indicating what was parsed. */ - -enum cgen_parse_operand_result -{ - CGEN_PARSE_OPERAND_RESULT_NUMBER, - CGEN_PARSE_OPERAND_RESULT_REGISTER, - CGEN_PARSE_OPERAND_RESULT_QUEUED, - CGEN_PARSE_OPERAND_RESULT_ERROR -}; - -#ifdef BFD_VERSION /* Don't require bfd.h unnecessarily. */ -typedef const char * (cgen_parse_operand_fn) - PARAMS ((CGEN_CPU_DESC, - enum cgen_parse_operand_type, const char **, int, int, - enum cgen_parse_operand_result *, bfd_vma *)); -#else -typedef const char * (cgen_parse_operand_fn) (); -#endif - -/* Set the cgen_parse_operand_fn callback. */ - -extern void cgen_set_parse_operand_fn - PARAMS ((CGEN_CPU_DESC, cgen_parse_operand_fn)); - -/* Called before trying to match a table entry with the insn. */ - -extern void cgen_init_parse_operand PARAMS ((CGEN_CPU_DESC)); - -/* Operand values (keywords, integers, symbols, etc.) */ - -/* Types of assembler elements. */ - -enum cgen_asm_type -{ - CGEN_ASM_NONE, CGEN_ASM_KEYWORD, CGEN_ASM_MAX -}; - -#ifndef CGEN_ARCH -enum cgen_hw_type { CGEN_HW_MAX }; -#endif - -/* List of hardware elements. */ - -typedef struct -{ - char *name; - enum cgen_hw_type type; - /* There is currently no example where both index specs and value specs - are required, so for now both are clumped under "asm_data". */ - enum cgen_asm_type asm_type; - PTR asm_data; -#ifndef CGEN_HW_NBOOL_ATTRS -#define CGEN_HW_NBOOL_ATTRS 1 -#endif - CGEN_ATTR_TYPE (CGEN_HW_NBOOL_ATTRS) attrs; -#define CGEN_HW_ATTRS(hw) (&(hw)->attrs) -} CGEN_HW_ENTRY; - -/* Return value of attribute ATTR in HW. */ - -#define CGEN_HW_ATTR_VALUE(hw, attr) \ -CGEN_ATTR_VALUE ((hw), CGEN_HW_ATTRS (hw), (attr)) - -/* Table of hardware elements for selected mach, computed at runtime. - enum cgen_hw_type is an index into this table (specifically `entries'). */ - -typedef struct { - /* Pointer to null terminated table of all compiled in entries. */ - const CGEN_HW_ENTRY *init_entries; - unsigned int entry_size; /* since the attribute member is variable sized */ - /* Array of all entries, initial and run-time added. */ - const CGEN_HW_ENTRY **entries; - /* Number of elements in `entries'. */ - unsigned int num_entries; - /* For now, xrealloc is called each time a new entry is added at runtime. - ??? May wish to keep track of some slop to reduce the number of calls to - xrealloc, except that there's unlikely to be many and not expected to be - in speed critical code. */ -} CGEN_HW_TABLE; - -extern const CGEN_HW_ENTRY * cgen_hw_lookup_by_name - PARAMS ((CGEN_CPU_DESC, const char *)); -extern const CGEN_HW_ENTRY * cgen_hw_lookup_by_num - PARAMS ((CGEN_CPU_DESC, int)); - -/* This struct is used to describe things like register names, etc. */ - -typedef struct cgen_keyword_entry -{ - /* Name (as in register name). */ - char * name; - - /* Value (as in register number). - The value cannot be -1 as that is used to indicate "not found". - IDEA: Have "FUNCTION" attribute? [function is called to fetch value]. */ - int value; - - /* Attributes. - This should, but technically needn't, appear last. It is a variable sized - array in that one architecture may have 1 nonbool attribute and another - may have more. Having this last means the non-architecture specific code - needn't care. The goal is to eventually record - attributes in their raw form, evaluate them at run-time, and cache the - values, so this worry will go away anyway. */ - /* ??? Moving this last should be done by treating keywords like insn lists - and moving the `next' fields into a CGEN_KEYWORD_LIST struct. */ - /* FIXME: Not used yet. */ -#ifndef CGEN_KEYWORD_NBOOL_ATTRS -#define CGEN_KEYWORD_NBOOL_ATTRS 1 -#endif - CGEN_ATTR_TYPE (CGEN_KEYWORD_NBOOL_ATTRS) attrs; - - /* ??? Putting these here means compiled in entries can't be const. - Not a really big deal, but something to consider. */ - /* Next name hash table entry. */ - struct cgen_keyword_entry *next_name; - /* Next value hash table entry. */ - struct cgen_keyword_entry *next_value; -} CGEN_KEYWORD_ENTRY; - -/* Top level struct for describing a set of related keywords - (e.g. register names). - - This struct supports run-time entry of new values, and hashed lookups. */ - -typedef struct cgen_keyword -{ - /* Pointer to initial [compiled in] values. */ - CGEN_KEYWORD_ENTRY *init_entries; - - /* Number of entries in `init_entries'. */ - unsigned int num_init_entries; - - /* Hash table used for name lookup. */ - CGEN_KEYWORD_ENTRY **name_hash_table; - - /* Hash table used for value lookup. */ - CGEN_KEYWORD_ENTRY **value_hash_table; - - /* Number of entries in the hash_tables. */ - unsigned int hash_table_size; - - /* Pointer to null keyword "" entry if present. */ - const CGEN_KEYWORD_ENTRY *null_entry; -} CGEN_KEYWORD; - -/* Structure used for searching. */ - -typedef struct -{ - /* Table being searched. */ - const CGEN_KEYWORD *table; - - /* Specification of what is being searched for. */ - const char *spec; - - /* Current index in hash table. */ - unsigned int current_hash; - - /* Current element in current hash chain. */ - CGEN_KEYWORD_ENTRY *current_entry; -} CGEN_KEYWORD_SEARCH; - -/* Lookup a keyword from its name. */ - -const CGEN_KEYWORD_ENTRY *cgen_keyword_lookup_name - PARAMS ((CGEN_KEYWORD *, const char *)); - -/* Lookup a keyword from its value. */ - -const CGEN_KEYWORD_ENTRY *cgen_keyword_lookup_value - PARAMS ((CGEN_KEYWORD *, int)); - -/* Add a keyword. */ - -void cgen_keyword_add PARAMS ((CGEN_KEYWORD *, CGEN_KEYWORD_ENTRY *)); - -/* Keyword searching. - This can be used to retrieve every keyword, or a subset. */ - -CGEN_KEYWORD_SEARCH cgen_keyword_search_init - PARAMS ((CGEN_KEYWORD *, const char *)); -const CGEN_KEYWORD_ENTRY *cgen_keyword_search_next - PARAMS ((CGEN_KEYWORD_SEARCH *)); - -/* Operand value support routines. */ - -extern const char *cgen_parse_keyword - PARAMS ((CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *)); -#ifdef BFD_VERSION /* Don't require bfd.h unnecessarily. */ -extern const char *cgen_parse_signed_integer - PARAMS ((CGEN_CPU_DESC, const char **, int, long *)); -extern const char *cgen_parse_unsigned_integer - PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); -extern const char *cgen_parse_address - PARAMS ((CGEN_CPU_DESC, const char **, int, int, - enum cgen_parse_operand_result *, bfd_vma *)); -extern const char *cgen_validate_signed_integer - PARAMS ((long, long, long)); -extern const char *cgen_validate_unsigned_integer - PARAMS ((unsigned long, unsigned long, unsigned long)); -#endif - -/* Operand modes. */ - -/* ??? This duplicates the values in arch.h. Revisit. - These however need the CGEN_ prefix [as does everything in this file]. */ -/* ??? Targets may need to add their own modes so we may wish to move this - to <arch>-opc.h, or add a hook. */ - -enum cgen_mode { - CGEN_MODE_VOID, /* ??? rename simulator's VM to VOID? */ - CGEN_MODE_BI, CGEN_MODE_QI, CGEN_MODE_HI, CGEN_MODE_SI, CGEN_MODE_DI, - CGEN_MODE_UBI, CGEN_MODE_UQI, CGEN_MODE_UHI, CGEN_MODE_USI, CGEN_MODE_UDI, - CGEN_MODE_SF, CGEN_MODE_DF, CGEN_MODE_XF, CGEN_MODE_TF, - CGEN_MODE_TARGET_MAX, - CGEN_MODE_INT, CGEN_MODE_UINT, - CGEN_MODE_MAX -}; - -/* FIXME: Until simulator is updated. */ - -#define CGEN_MODE_VM CGEN_MODE_VOID - -/* Operands. */ - -#ifndef CGEN_ARCH -enum cgen_operand_type { CGEN_OPERAND_MAX }; -#endif - -/* "nil" indicator for the operand instance table */ -#define CGEN_OPERAND_NIL CGEN_OPERAND_MAX - -/* This struct defines each entry in the operand table. */ - -typedef struct -{ - /* Name as it appears in the syntax string. */ - char *name; - - /* Operand type. */ - enum cgen_operand_type type; - - /* The hardware element associated with this operand. */ - enum cgen_hw_type hw_type; - - /* FIXME: We don't yet record ifield definitions, which we should. - When we do it might make sense to delete start/length (since they will - be duplicated in the ifield's definition) and replace them with a - pointer to the ifield entry. */ - - /* Bit position. - This is just a hint, and may be unused in more complex operands. - May be unused for a modifier. */ - unsigned char start; - - /* The number of bits in the operand. - This is just a hint, and may be unused in more complex operands. - May be unused for a modifier. */ - unsigned char length; - -#if 0 /* ??? Interesting idea but relocs tend to get too complicated, - and ABI dependent, for simple table lookups to work. */ - /* Ideally this would be the internal (external?) reloc type. */ - int reloc_type; -#endif - - /* Attributes. - This should, but technically needn't, appear last. It is a variable sized - array in that one architecture may have 1 nonbool attribute and another - may have more. Having this last means the non-architecture specific code - needn't care, now or tomorrow. The goal is to eventually record - attributes in their raw form, evaluate them at run-time, and cache the - values, so this worry will go away anyway. */ -#ifndef CGEN_OPERAND_NBOOL_ATTRS -#define CGEN_OPERAND_NBOOL_ATTRS 1 -#endif - CGEN_ATTR_TYPE (CGEN_OPERAND_NBOOL_ATTRS) attrs; -#define CGEN_OPERAND_ATTRS(operand) (&(operand)->attrs) -} CGEN_OPERAND; - -/* Return value of attribute ATTR in OPERAND. */ - -#define CGEN_OPERAND_ATTR_VALUE(operand, attr) \ -CGEN_ATTR_VALUE ((operand), CGEN_OPERAND_ATTRS (operand), (attr)) - -/* Table of operands for selected mach/isa, computed at runtime. - enum cgen_operand_type is an index into this table (specifically - `entries'). */ - -typedef struct { - /* Pointer to null terminated table of all compiled in entries. */ - const CGEN_OPERAND *init_entries; - unsigned int entry_size; /* since the attribute member is variable sized */ - /* Array of all entries, initial and run-time added. */ - const CGEN_OPERAND **entries; - /* Number of elements in `entries'. */ - unsigned int num_entries; - /* For now, xrealloc is called each time a new entry is added at runtime. - ??? May wish to keep track of some slop to reduce the number of calls to - xrealloc, except that there's unlikely to be many and not expected to be - in speed critical code. */ -} CGEN_OPERAND_TABLE; - -extern const CGEN_OPERAND * cgen_operand_lookup_by_name - PARAMS ((CGEN_CPU_DESC, const char *)); -extern const CGEN_OPERAND * cgen_operand_lookup_by_num - PARAMS ((CGEN_CPU_DESC, int)); - -/* Instruction operand instances. - - For each instruction, a list of the hardware elements that are read and - written are recorded. */ - -/* The type of the instance. */ - -enum cgen_opinst_type { - /* End of table marker. */ - CGEN_OPINST_END = 0, - CGEN_OPINST_INPUT, CGEN_OPINST_OUTPUT -}; - -typedef struct -{ - /* Input or output indicator. */ - enum cgen_opinst_type type; - - /* Name of operand. */ - const char *name; - - /* The hardware element referenced. */ - enum cgen_hw_type hw_type; - - /* The mode in which the operand is being used. */ - enum cgen_mode mode; - - /* The operand table entry CGEN_OPERAND_NIL if there is none - (i.e. an explicit hardware reference). */ - enum cgen_operand_type op_type; - - /* If `operand' is "nil", the index (e.g. into array of registers). */ - int index; - - /* Attributes. - ??? This perhaps should be a real attribute struct but there's - no current need, so we save a bit of space and just have a set of - flags. The interface is such that this can easily be made attributes - should it prove useful. */ - unsigned int attrs; -#define CGEN_OPINST_ATTRS(opinst) ((opinst)->attrs) -/* Return value of attribute ATTR in OPINST. */ -#define CGEN_OPINST_ATTR(opinst, attr) \ -((CGEN_OPINST_ATTRS (opinst) & (attr)) != 0) -/* Operand is conditionally referenced (read/written). */ -#define CGEN_OPINST_COND_REF 1 -} CGEN_OPINST; - -/* Syntax string. - - Each insn format and subexpression has one of these. - - The syntax "string" consists of characters (n > 0 && n < 128), and operand - values (n >= 128), and is terminated by 0. Operand values are 128 + index - into the operand table. The operand table doesn't exist in C, per se, as - the data is recorded in the parse/insert/extract/print switch statements. */ - -#ifndef CGEN_MAX_SYNTAX_BYTES -#define CGEN_MAX_SYNTAX_BYTES 16 -#endif - -typedef struct -{ - unsigned char syntax[CGEN_MAX_SYNTAX_BYTES]; -} CGEN_SYNTAX; - -#define CGEN_SYNTAX_STRING(syn) (syn->syntax) -#define CGEN_SYNTAX_CHAR_P(c) ((c) < 128) -#define CGEN_SYNTAX_CHAR(c) (c) -#define CGEN_SYNTAX_FIELD(c) ((c) - 128) -#define CGEN_SYNTAX_MAKE_FIELD(c) ((c) + 128) - -/* ??? I can't currently think of any case where the mnemonic doesn't come - first [and if one ever doesn't building the hash tables will be tricky]. - However, we treat mnemonics as just another operand of the instruction. - A value of 1 means "this is where the mnemonic appears". 1 isn't - special other than it's a non-printable ASCII char. */ - -#define CGEN_SYNTAX_MNEMONIC 1 -#define CGEN_SYNTAX_MNEMONIC_P(ch) ((ch) == CGEN_SYNTAX_MNEMONIC) - -/* Instruction fields. - - ??? We currently don't allow adding fields at run-time. - Easy to fix when needed. */ - -typedef struct cgen_ifld { - /* Enum of ifield. */ - int num; -#define CGEN_IFLD_NUM(f) ((f)->num) - - /* Name of the field, distinguishes it from all other fields. */ - const char *name; -#define CGEN_IFLD_NAME(f) ((f)->name) - - /* Default offset, in bits, from the start of the insn to the word - containing the field. */ - int word_offset; -#define CGEN_IFLD_WORD_OFFSET(f) ((f)->word_offset) - - /* Default length of the word containing the field. */ - int word_size; -#define CGEN_IFLD_WORD_SIZE(f) ((f)->word_size) - - /* Default starting bit number. - Whether lsb=0 or msb=0 is determined by CGEN_INSN_LSB0_P. */ - int start; -#define CGEN_IFLD_START(f) ((f)->start) - - /* Length of the field, in bits. */ - int length; -#define CGEN_IFLD_LENGTH(f) ((f)->length) - -#ifndef CGEN_IFLD_NBOOL_ATTRS -#define CGEN_IFLD_NBOOL_ATTRS 1 -#endif - CGEN_ATTR_TYPE (CGEN_IFLD_NBOOL_ATTRS) attrs; -#define CGEN_IFLD_ATTRS(f) (&(f)->attrs) -} CGEN_IFLD; - -/* Return value of attribute ATTR in IFLD. */ -#define CGEN_IFLD_ATTR_VALUE(ifld, attr) \ -CGEN_ATTR_VALUE ((ifld), CGEN_IFLD_ATTRS (ifld), (attr)) - -/* Instruction data. */ - -/* Instruction formats. - - Instructions are grouped by format. Associated with an instruction is its - format. Each insn's opcode table entry contains a format table entry. - ??? There is usually very few formats compared with the number of insns, - so one can reduce the size of the opcode table by recording the format table - as a separate entity. Given that we currently don't, format table entries - are also distinguished by their operands. This increases the size of the - table, but reduces the number of tables. It's all minutiae anyway so it - doesn't really matter [at this point in time]. - - ??? Support for variable length ISA's is wip. */ - -/* Accompanying each iformat description is a list of its fields. */ - -typedef struct { - const CGEN_IFLD *ifld; -#define CGEN_IFMT_IFLD_IFLD(ii) ((ii)->ifld) -} CGEN_IFMT_IFLD; - -#ifndef CGEN_MAX_IFMT_OPERANDS -#define CGEN_MAX_IFMT_OPERANDS 1 -#endif - -typedef struct -{ - /* Length that MASK and VALUE have been calculated to - [VALUE is recorded elsewhere]. - Normally it is base_insn_bitsize. On [V]LIW architectures where the base - insn size may be larger than the size of an insn, this field is less than - base_insn_bitsize. */ - unsigned char mask_length; -#define CGEN_IFMT_MASK_LENGTH(ifmt) ((ifmt)->mask_length) - - /* Total length of instruction, in bits. */ - unsigned char length; -#define CGEN_IFMT_LENGTH(ifmt) ((ifmt)->length) - - /* Mask to apply to the first MASK_LENGTH bits. - Each insn's value is stored with the insn. - The first step in recognizing an insn for disassembly is - (opcode & mask) == value. */ - CGEN_INSN_INT mask; -#define CGEN_IFMT_MASK(ifmt) ((ifmt)->mask) - - /* Instruction fields. - +1 for trailing NULL. */ - CGEN_IFMT_IFLD iflds[CGEN_MAX_IFMT_OPERANDS + 1]; -#define CGEN_IFMT_IFLDS(ifmt) ((ifmt)->iflds) -} CGEN_IFMT; - -/* Instruction values. */ - -typedef struct -{ - /* The opcode portion of the base insn. */ - CGEN_INSN_INT base_value; - -#ifdef CGEN_MAX_EXTRA_OPCODE_OPERANDS - /* Extra opcode values beyond base_value. */ - unsigned long ifield_values[CGEN_MAX_EXTRA_OPCODE_OPERANDS]; -#endif -} CGEN_IVALUE; - -/* Instruction opcode table. - This contains the syntax and format data of an instruction. */ - -/* ??? Some ports already have an opcode table yet still need to use the rest - of what cgen_insn has. Plus keeping the opcode data with the operand - instance data can create a pretty big file. So we keep them separately. - Not sure this is a good idea in the long run. */ - -typedef struct -{ - /* Indices into parse/insert/extract/print handler tables. */ - struct cgen_opcode_handler handlers; -#define CGEN_OPCODE_HANDLERS(opc) (& (opc)->handlers) - - /* Syntax string. */ - CGEN_SYNTAX syntax; -#define CGEN_OPCODE_SYNTAX(opc) (& (opc)->syntax) - - /* Format entry. */ - const CGEN_IFMT *format; -#define CGEN_OPCODE_FORMAT(opc) ((opc)->format) -#define CGEN_OPCODE_MASK_BITSIZE(opc) CGEN_IFMT_MASK_LENGTH (CGEN_OPCODE_FORMAT (opc)) -#define CGEN_OPCODE_BITSIZE(opc) CGEN_IFMT_LENGTH (CGEN_OPCODE_FORMAT (opc)) -#define CGEN_OPCODE_IFLDS(opc) CGEN_IFMT_IFLDS (CGEN_OPCODE_FORMAT (opc)) - - /* Instruction opcode value. */ - CGEN_IVALUE value; -#define CGEN_OPCODE_VALUE(opc) (& (opc)->value) -#define CGEN_OPCODE_BASE_VALUE(opc) (CGEN_OPCODE_VALUE (opc)->base_value) -#define CGEN_OPCODE_BASE_MASK(opc) CGEN_IFMT_MASK (CGEN_OPCODE_FORMAT (opc)) -} CGEN_OPCODE; - -/* Instruction attributes. - This is made a published type as applications can cache a pointer to - the attributes for speed. */ - -#ifndef CGEN_INSN_NBOOL_ATTRS -#define CGEN_INSN_NBOOL_ATTRS 1 -#endif -typedef CGEN_ATTR_TYPE (CGEN_INSN_NBOOL_ATTRS) CGEN_INSN_ATTR_TYPE; - -/* Enum of architecture independent attributes. */ - -#ifndef CGEN_ARCH -/* ??? Numbers here are recorded in two places. */ -typedef enum cgen_insn_attr { - CGEN_INSN_ALIAS = 0 -} CGEN_INSN_ATTR; -#endif - -/* This struct defines each entry in the instruction table. */ - -typedef struct -{ - /* Each real instruction is enumerated. */ - /* ??? This may go away in time. */ - int num; -#define CGEN_INSN_NUM(insn) ((insn)->base->num) - - /* Name of entry (that distinguishes it from all other entries). */ - /* ??? If mnemonics have operands, try to print full mnemonic. */ - const char *name; -#define CGEN_INSN_NAME(insn) ((insn)->base->name) - - /* Mnemonic. This is used when parsing and printing the insn. - In the case of insns that have operands on the mnemonics, this is - only the constant part. E.g. for conditional execution of an `add' insn, - where the full mnemonic is addeq, addne, etc., and the condition is - treated as an operand, this is only "add". */ - const char *mnemonic; -#define CGEN_INSN_MNEMONIC(insn) ((insn)->base->mnemonic) - - /* Total length of instruction, in bits. */ - int bitsize; -#define CGEN_INSN_BITSIZE(insn) ((insn)->base->bitsize) - -#if 0 /* ??? Disabled for now as there is a problem with embedded newlines - and the table is already pretty big. Should perhaps be moved - to a file of its own. */ - /* Semantics, as RTL. */ - /* ??? Plain text or bytecodes? */ - /* ??? Note that the operand instance table could be computed at run-time - if we parse this and cache the results. Something to eventually do. */ - const char *rtx; -#define CGEN_INSN_RTX(insn) ((insn)->base->rtx) -#endif - - /* Attributes. - This must appear last. It is a variable sized array in that one - architecture may have 1 nonbool attribute and another may have more. - Having this last means the non-architecture specific code needn't - care. The goal is to eventually record attributes in their raw form, - evaluate them at run-time, and cache the values, so this worry will go - away anyway. */ - CGEN_INSN_ATTR_TYPE attrs; -#define CGEN_INSN_ATTRS(insn) (&(insn)->base->attrs) -/* Return value of attribute ATTR in INSN. */ -#define CGEN_INSN_ATTR_VALUE(insn, attr) \ -CGEN_ATTR_VALUE ((insn), CGEN_INSN_ATTRS (insn), (attr)) -} CGEN_IBASE; - -/* Return non-zero if INSN is the "invalid" insn marker. */ - -#define CGEN_INSN_INVALID_P(insn) (CGEN_INSN_MNEMONIC (insn) == 0) - -/* Main struct contain instruction information. - BASE is always present, the rest is present only if asked for. */ - -struct cgen_insn -{ - /* ??? May be of use to put a type indicator here. - Then this struct could different info for different classes of insns. */ - /* ??? A speedup can be had by moving `base' into this struct. - Maybe later. */ - const CGEN_IBASE *base; - const CGEN_OPCODE *opcode; - const CGEN_OPINST *opinst; -}; - -/* Instruction lists. - This is used for adding new entries and for creating the hash lists. */ - -typedef struct cgen_insn_list -{ - struct cgen_insn_list *next; - const CGEN_INSN *insn; -} CGEN_INSN_LIST; - -/* Table of instructions. */ - -typedef struct -{ - const CGEN_INSN *init_entries; - unsigned int entry_size; /* since the attribute member is variable sized */ - unsigned int num_init_entries; - CGEN_INSN_LIST *new_entries; -} CGEN_INSN_TABLE; - -/* Return number of instructions. This includes any added at run-time. */ - -extern int cgen_insn_count PARAMS ((CGEN_CPU_DESC)); -extern int cgen_macro_insn_count PARAMS ((CGEN_CPU_DESC)); - -/* Macros to access the other insn elements not recorded in CGEN_IBASE. */ - -/* Fetch INSN's operand instance table. */ -/* ??? Doesn't handle insns added at runtime. */ -#define CGEN_INSN_OPERANDS(insn) ((insn)->opinst) - -/* Return INSN's opcode table entry. */ -#define CGEN_INSN_OPCODE(insn) ((insn)->opcode) - -/* Return INSN's handler data. */ -#define CGEN_INSN_HANDLERS(insn) CGEN_OPCODE_HANDLERS (CGEN_INSN_OPCODE (insn)) - -/* Return INSN's syntax. */ -#define CGEN_INSN_SYNTAX(insn) CGEN_OPCODE_SYNTAX (CGEN_INSN_OPCODE (insn)) - -/* Return size of base mask in bits. */ -#define CGEN_INSN_MASK_BITSIZE(insn) \ - CGEN_OPCODE_MASK_BITSIZE (CGEN_INSN_OPCODE (insn)) - -/* Return mask of base part of INSN. */ -#define CGEN_INSN_BASE_MASK(insn) \ - CGEN_OPCODE_BASE_MASK (CGEN_INSN_OPCODE (insn)) - -/* Return value of base part of INSN. */ -#define CGEN_INSN_BASE_VALUE(insn) \ - CGEN_OPCODE_BASE_VALUE (CGEN_INSN_OPCODE (insn)) - -/* Standard way to test whether INSN is supported by MACH. - MACH is one of enum mach_attr. - The "|1" is because the base mach is always selected. */ -#define CGEN_INSN_MACH_HAS_P(insn, mach) \ -((CGEN_INSN_ATTR_VALUE ((insn), CGEN_INSN_MACH) & ((1 << (mach)) | 1)) != 0) - -/* Macro instructions. - Macro insns aren't real insns, they map to one or more real insns. - E.g. An architecture's "nop" insn may actually be an "mv r0,r0" or - some such. - - Macro insns can expand to nothing (e.g. a nop that is optimized away). - This is useful in multi-insn macros that build a constant in a register. - Of course this isn't the default behaviour and must be explicitly enabled. - - Assembly of macro-insns is relatively straightforward. Disassembly isn't. - However, disassembly of at least some kinds of macro insns is important - in order that the disassembled code preserve the readability of the original - insn. What is attempted here is to disassemble all "simple" macro-insns, - where "simple" is currently defined to mean "expands to one real insn". - - Simple macro-insns are handled specially. They are emitted as ALIAS's - of real insns. This simplifies their handling since there's usually more - of them than any other kind of macro-insn, and proper disassembly of them - falls out for free. */ - -/* For each macro-insn there may be multiple expansion possibilities, - depending on the arguments. This structure is accessed via the `data' - member of CGEN_INSN. */ - -typedef struct cgen_minsn_expansion { - /* Function to do the expansion. - If the expansion fails (e.g. "no match") NULL is returned. - Space for the expansion is obtained with malloc. - It is up to the caller to free it. */ - const char * (* fn) PARAMS ((const struct cgen_minsn_expansion *, - const char *, const char **, int *, - CGEN_OPERAND **)); -#define CGEN_MIEXPN_FN(ex) ((ex)->fn) - - /* Instruction(s) the macro expands to. - The format of STR is defined by FN. - It is typically the assembly code of the real insn, but it could also be - the original Scheme expression or a tokenized form of it (with FN being - an appropriate interpreter). */ - const char * str; -#define CGEN_MIEXPN_STR(ex) ((ex)->str) -} CGEN_MINSN_EXPANSION; - -/* Normal expander. - When supported, this function will convert the input string to another - string and the parser will be invoked recursively. The output string - may contain further macro invocations. */ - -extern const char * cgen_expand_macro_insn - PARAMS ((CGEN_CPU_DESC, const struct cgen_minsn_expansion *, - const char *, const char **, int *, CGEN_OPERAND **)); - -/* The assembler insn table is hashed based on some function of the mnemonic - (the actually hashing done is up to the target, but we provide a few - examples like the first letter or a function of the entire mnemonic). */ - -extern CGEN_INSN_LIST * cgen_asm_lookup_insn - PARAMS ((CGEN_CPU_DESC, const char *)); -#define CGEN_ASM_LOOKUP_INSN(cd, string) cgen_asm_lookup_insn ((cd), (string)) -#define CGEN_ASM_NEXT_INSN(insn) ((insn)->next) - -/* The disassembler insn table is hashed based on some function of machine - instruction (the actually hashing done is up to the target). */ - -extern CGEN_INSN_LIST * cgen_dis_lookup_insn - PARAMS ((CGEN_CPU_DESC, const char *, CGEN_INSN_INT)); -/* FIXME: delete these two */ -#define CGEN_DIS_LOOKUP_INSN(cd, buf, value) cgen_dis_lookup_insn ((cd), (buf), (value)) -#define CGEN_DIS_NEXT_INSN(insn) ((insn)->next) - -/* The CPU description. - A copy of this is created when the cpu table is "opened". - All global state information is recorded here. - Access macros are provided for "public" members. */ - -typedef struct cgen_cpu_desc -{ - /* Bitmap of selected machine(s) (a la BFD machine number). */ - int machs; - - /* Bitmap of selected isa(s). - ??? Simultaneous multiple isas might not make sense, but it's not (yet) - precluded. */ - int isas; - - /* Current endian. */ - enum cgen_endian endian; -#define CGEN_CPU_ENDIAN(cd) ((cd)->endian) - - /* Current insn endian. */ - enum cgen_endian insn_endian; -#define CGEN_CPU_INSN_ENDIAN(cd) ((cd)->insn_endian) - - /* Word size (in bits). */ - /* ??? Or maybe maximum word size - might we ever need to allow a cpu table - to be opened for both sparc32/sparc64? - ??? Another alternative is to create a table of selected machs and - lazily fetch the data from there. */ - unsigned int word_bitsize; - - /* Indicator if sizes are unknown. - This is used by default_insn_bitsize,base_insn_bitsize if there is a - difference between the selected isa's. */ -#define CGEN_SIZE_UNKNOWN 65535 - - /* Default instruction size (in bits). - This is used by the assembler when it encounters an unknown insn. */ - unsigned int default_insn_bitsize; - - /* Base instruction size (in bits). - For non-LIW cpus this is generally the length of the smallest insn. - For LIW cpus its wip (work-in-progress). For the m32r its 32. */ - unsigned int base_insn_bitsize; - - /* Minimum/maximum instruction size (in bits). */ - unsigned int min_insn_bitsize; - unsigned int max_insn_bitsize; - - /* Instruction set variants. */ - const CGEN_ISA *isa_table; - - /* Machine variants. */ - const CGEN_MACH *mach_table; - - /* Hardware elements. */ - CGEN_HW_TABLE hw_table; - - /* Instruction fields. */ - const CGEN_IFLD *ifld_table; - - /* Operands. */ - CGEN_OPERAND_TABLE operand_table; - - /* Main instruction table. */ - CGEN_INSN_TABLE insn_table; -#define CGEN_CPU_INSN_TABLE(cd) (& (cd)->insn_table) - - /* Macro instructions are defined separately and are combined with real - insns during hash table computation. */ - CGEN_INSN_TABLE macro_insn_table; - - /* Copy of CGEN_INT_INSN_P. */ - int int_insn_p; - - /* Called to rebuild the tables after something has changed. */ - void (*rebuild_tables) PARAMS ((CGEN_CPU_DESC)); - - /* Operand parser callback. */ - cgen_parse_operand_fn * parse_operand_fn; - - /* Parse/insert/extract/print cover fns for operands. */ - const char * (*parse_operand) - PARAMS ((CGEN_CPU_DESC, int opindex_, const char **, - CGEN_FIELDS *fields_)); -#ifdef BFD_VERSION - const char * (*insert_operand) - PARAMS ((CGEN_CPU_DESC, int opindex_, CGEN_FIELDS *fields_, - CGEN_INSN_BYTES_PTR, bfd_vma pc_)); - int (*extract_operand) - PARAMS ((CGEN_CPU_DESC, int opindex_, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, - CGEN_FIELDS *fields_, bfd_vma pc_)); - void (*print_operand) - PARAMS ((CGEN_CPU_DESC, int opindex_, PTR info_, CGEN_FIELDS * fields_, - void const *attrs_, bfd_vma pc_, int length_)); -#else - const char * (*insert_operand) (); - int (*extract_operand) (); - void (*print_operand) (); -#endif -#define CGEN_CPU_PARSE_OPERAND(cd) ((cd)->parse_operand) -#define CGEN_CPU_INSERT_OPERAND(cd) ((cd)->insert_operand) -#define CGEN_CPU_EXTRACT_OPERAND(cd) ((cd)->extract_operand) -#define CGEN_CPU_PRINT_OPERAND(cd) ((cd)->print_operand) - - /* Size of CGEN_FIELDS struct. */ - unsigned int sizeof_fields; -#define CGEN_CPU_SIZEOF_FIELDS(cd) ((cd)->sizeof_fields) - - /* Set the bitsize field. */ - void (*set_fields_bitsize) PARAMS ((CGEN_FIELDS *fields_, int size_)); -#define CGEN_CPU_SET_FIELDS_BITSIZE(cd) ((cd)->set_fields_bitsize) - - /* CGEN_FIELDS accessors. */ - int (*get_int_operand) - PARAMS ((CGEN_CPU_DESC, int opindex_, const CGEN_FIELDS *fields_)); - void (*set_int_operand) - PARAMS ((CGEN_CPU_DESC, int opindex_, CGEN_FIELDS *fields_, int value_)); -#ifdef BFD_VERSION - bfd_vma (*get_vma_operand) - PARAMS ((CGEN_CPU_DESC, int opindex_, const CGEN_FIELDS *fields_)); - void (*set_vma_operand) - PARAMS ((CGEN_CPU_DESC, int opindex_, CGEN_FIELDS *fields_, bfd_vma value_)); -#else - long (*get_vma_operand) (); - void (*set_vma_operand) (); -#endif -#define CGEN_CPU_GET_INT_OPERAND(cd) ((cd)->get_int_operand) -#define CGEN_CPU_SET_INT_OPERAND(cd) ((cd)->set_int_operand) -#define CGEN_CPU_GET_VMA_OPERAND(cd) ((cd)->get_vma_operand) -#define CGEN_CPU_SET_VMA_OPERAND(cd) ((cd)->set_vma_operand) - - /* Instruction parse/insert/extract/print handlers. */ - /* FIXME: make these types uppercase. */ - cgen_parse_fn * const *parse_handlers; - cgen_insert_fn * const *insert_handlers; - cgen_extract_fn * const *extract_handlers; - cgen_print_fn * const *print_handlers; -#define CGEN_PARSE_FN(cd, insn) (cd->parse_handlers[(insn)->opcode->handlers.parse]) -#define CGEN_INSERT_FN(cd, insn) (cd->insert_handlers[(insn)->opcode->handlers.insert]) -#define CGEN_EXTRACT_FN(cd, insn) (cd->extract_handlers[(insn)->opcode->handlers.extract]) -#define CGEN_PRINT_FN(cd, insn) (cd->print_handlers[(insn)->opcode->handlers.print]) - - /* Return non-zero if insn should be added to hash table. */ - int (* asm_hash_p) PARAMS ((const CGEN_INSN *)); - - /* Assembler hash function. */ - unsigned int (* asm_hash) PARAMS ((const char *)); - - /* Number of entries in assembler hash table. */ - unsigned int asm_hash_size; - - /* Return non-zero if insn should be added to hash table. */ - int (* dis_hash_p) PARAMS ((const CGEN_INSN *)); - - /* Disassembler hash function. */ - unsigned int (* dis_hash) PARAMS ((const char *, CGEN_INSN_INT)); - - /* Number of entries in disassembler hash table. */ - unsigned int dis_hash_size; - - /* Assembler instruction hash table. */ - CGEN_INSN_LIST **asm_hash_table; - CGEN_INSN_LIST *asm_hash_table_entries; - - /* Disassembler instruction hash table. */ - CGEN_INSN_LIST **dis_hash_table; - CGEN_INSN_LIST *dis_hash_table_entries; - - /* This field could be turned into a bitfield if room for other flags is needed. */ - unsigned int signed_overflow_ok_p; - -} CGEN_CPU_TABLE; - -/* wip */ -#ifndef CGEN_WORD_ENDIAN -#define CGEN_WORD_ENDIAN(cd) CGEN_CPU_ENDIAN (cd) -#endif -#ifndef CGEN_INSN_WORD_ENDIAN -#define CGEN_INSN_WORD_ENDIAN(cd) CGEN_CPU_INSN_ENDIAN (cd) -#endif - -/* Prototypes of major functions. */ -/* FIXME: Move more CGEN_SYM-defined functions into CGEN_CPU_DESC. - Not the init fns though, as that would drag in things that mightn't be - used and might not even exist. */ - -/* Argument types to cpu_open. */ - -enum cgen_cpu_open_arg { - CGEN_CPU_OPEN_END, - /* Select instruction set(s), arg is bitmap or 0 meaning "unspecified". */ - CGEN_CPU_OPEN_ISAS, - /* Select machine(s), arg is bitmap or 0 meaning "unspecified". */ - CGEN_CPU_OPEN_MACHS, - /* Select machine, arg is mach's bfd name. - Multiple machines can be specified by repeated use. */ - CGEN_CPU_OPEN_BFDMACH, - /* Select endian, arg is CGEN_ENDIAN_*. */ - CGEN_CPU_OPEN_ENDIAN -}; - -/* Open a cpu descriptor table for use. - ??? We only support ISO C stdargs here, not K&R. - Laziness, plus experiment to see if anything requires K&R - eventually - K&R will no longer be supported - e.g. GDB is currently trying this. */ - -extern CGEN_CPU_DESC CGEN_SYM (cpu_open) (enum cgen_cpu_open_arg, ...); - -/* Cover fn to handle simple case. */ - -extern CGEN_CPU_DESC CGEN_SYM (cpu_open_1) PARAMS ((const char *mach_name_, - enum cgen_endian endian_)); - -/* Close it. */ - -extern void CGEN_SYM (cpu_close) PARAMS ((CGEN_CPU_DESC)); - -/* Initialize the opcode table for use. - Called by init_asm/init_dis. */ - -extern void CGEN_SYM (init_opcode_table) PARAMS ((CGEN_CPU_DESC cd_)); - -/* Initialize the ibld table for use. - Called by init_asm/init_dis. */ - -extern void CGEN_SYM (init_ibld_table) PARAMS ((CGEN_CPU_DESC cd_)); - -/* Initialize an cpu table for assembler or disassembler use. - These must be called immediately after cpu_open. */ - -extern void CGEN_SYM (init_asm) PARAMS ((CGEN_CPU_DESC)); -extern void CGEN_SYM (init_dis) PARAMS ((CGEN_CPU_DESC)); - -/* Initialize the operand instance table for use. */ - -extern void CGEN_SYM (init_opinst_table) PARAMS ((CGEN_CPU_DESC cd_)); - -/* Assemble an instruction. */ - -extern const CGEN_INSN * CGEN_SYM (assemble_insn) - PARAMS ((CGEN_CPU_DESC, const char *, CGEN_FIELDS *, - CGEN_INSN_BYTES_PTR, char **)); - -extern const CGEN_KEYWORD CGEN_SYM (operand_mach); -extern int CGEN_SYM (get_mach) PARAMS ((const char *)); - -/* Operand index computation. */ -extern const CGEN_INSN * cgen_lookup_insn - PARAMS ((CGEN_CPU_DESC, const CGEN_INSN * insn_, - CGEN_INSN_INT int_value_, unsigned char *bytes_value_, - int length_, CGEN_FIELDS *fields_, int alias_p_)); -extern void cgen_get_insn_operands - PARAMS ((CGEN_CPU_DESC, const CGEN_INSN * insn_, - const CGEN_FIELDS *fields_, int *indices_)); -extern const CGEN_INSN * cgen_lookup_get_insn_operands - PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *insn_, - CGEN_INSN_INT int_value_, unsigned char *bytes_value_, - int length_, int *indices_, CGEN_FIELDS *fields_)); - -/* Cover fns to bfd_get/set. */ - -extern CGEN_INSN_INT cgen_get_insn_value - PARAMS ((CGEN_CPU_DESC, unsigned char *, int)); -extern void cgen_put_insn_value - PARAMS ((CGEN_CPU_DESC, unsigned char *, int, CGEN_INSN_INT)); - -/* Read in a cpu description file. - ??? For future concerns, including adding instructions to the assembler/ - disassembler at run-time. */ - -extern const char * cgen_read_cpu_file - PARAMS ((CGEN_CPU_DESC, const char * filename_)); - -/* Allow signed overflow of instruction fields. */ -extern void cgen_set_signed_overflow_ok PARAMS ((CGEN_CPU_DESC)); - -/* Generate an error message if a signed field in an instruction overflows. */ -extern void cgen_clear_signed_overflow_ok PARAMS ((CGEN_CPU_DESC)); - -/* Will an error message be generated if a signed field in an instruction overflows ? */ -extern unsigned int cgen_signed_overflow_ok_p PARAMS ((CGEN_CPU_DESC)); - -#endif /* CGEN_H */ diff --git a/contrib/binutils/include/opcode/mips.h b/contrib/binutils/include/opcode/mips.h deleted file mode 100644 index 68fe57a8aae2..000000000000 --- a/contrib/binutils/include/opcode/mips.h +++ /dev/null @@ -1,749 +0,0 @@ -/* mips.h. Mips opcode list for GDB, the GNU debugger. - Copyright 1993, 94, 95, 96, 1997 Free Software Foundation, Inc. - Contributed by Ralph Campbell and OSF - Commented and modified 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 _MIPS_H_ -#define _MIPS_H_ - -/* These are bit masks and shift counts to use to access the various - fields of an instruction. To retrieve the X field of an - instruction, use the expression - (i >> OP_SH_X) & OP_MASK_X - To set the same field (to j), use - i = (i &~ (OP_MASK_X << OP_SH_X)) | (j << OP_SH_X) - - Make sure you use fields that are appropriate for the instruction, - of course. - - The 'i' format uses OP, RS, RT and IMMEDIATE. - - The 'j' format uses OP and TARGET. - - The 'r' format uses OP, RS, RT, RD, SHAMT and FUNCT. - - The 'b' format uses OP, RS, RT and DELTA. - - The floating point 'i' format uses OP, RS, RT and IMMEDIATE. - - The floating point 'r' format uses OP, FMT, FT, FS, FD and FUNCT. - - A breakpoint instruction uses OP, CODE and SPEC (10 bits of the - breakpoint instruction are not defined; Kane says the breakpoint - code field in BREAK is 20 bits; yet MIPS assemblers and debuggers - only use ten bits). An optional two-operand form of break/sdbbp - allows the lower ten bits to be set too. - - The syscall instruction uses SYSCALL. - - The general coprocessor instructions use COPZ. */ - -#define OP_MASK_OP 0x3f -#define OP_SH_OP 26 -#define OP_MASK_RS 0x1f -#define OP_SH_RS 21 -#define OP_MASK_FR 0x1f -#define OP_SH_FR 21 -#define OP_MASK_FMT 0x1f -#define OP_SH_FMT 21 -#define OP_MASK_BCC 0x7 -#define OP_SH_BCC 18 -#define OP_MASK_CODE 0x3ff -#define OP_SH_CODE 16 -#define OP_MASK_CODE2 0x3ff -#define OP_SH_CODE2 6 -#define OP_MASK_RT 0x1f -#define OP_SH_RT 16 -#define OP_MASK_FT 0x1f -#define OP_SH_FT 16 -#define OP_MASK_CACHE 0x1f -#define OP_SH_CACHE 16 -#define OP_MASK_RD 0x1f -#define OP_SH_RD 11 -#define OP_MASK_FS 0x1f -#define OP_SH_FS 11 -#define OP_MASK_PREFX 0x1f -#define OP_SH_PREFX 11 -#define OP_MASK_CCC 0x7 -#define OP_SH_CCC 8 -#define OP_MASK_SYSCALL 0xfffff -#define OP_SH_SYSCALL 6 -#define OP_MASK_SHAMT 0x1f -#define OP_SH_SHAMT 6 -#define OP_MASK_FD 0x1f -#define OP_SH_FD 6 -#define OP_MASK_TARGET 0x3ffffff -#define OP_SH_TARGET 0 -#define OP_MASK_COPZ 0x1ffffff -#define OP_SH_COPZ 0 -#define OP_MASK_IMMEDIATE 0xffff -#define OP_SH_IMMEDIATE 0 -#define OP_MASK_DELTA 0xffff -#define OP_SH_DELTA 0 -#define OP_MASK_FUNCT 0x3f -#define OP_SH_FUNCT 0 -#define OP_MASK_SPEC 0x3f -#define OP_SH_SPEC 0 -#define OP_SH_LOCC 8 /* FP condition code */ -#define OP_SH_HICC 18 /* FP condition code */ -#define OP_MASK_CC 0x7 -#define OP_SH_COP1NORM 25 /* Normal COP1 encoding */ -#define OP_MASK_COP1NORM 0x1 /* a single bit */ -#define OP_SH_COP1SPEC 21 /* COP1 encodings */ -#define OP_MASK_COP1SPEC 0xf -#define OP_MASK_COP1SCLR 0x4 -#define OP_MASK_COP1CMP 0x3 -#define OP_SH_COP1CMP 4 -#define OP_SH_FORMAT 21 /* FP short format field */ -#define OP_MASK_FORMAT 0x7 -#define OP_SH_TRUE 16 -#define OP_MASK_TRUE 0x1 -#define OP_SH_GE 17 -#define OP_MASK_GE 0x01 -#define OP_SH_UNSIGNED 16 -#define OP_MASK_UNSIGNED 0x1 -#define OP_SH_HINT 16 -#define OP_MASK_HINT 0x1f -#define OP_SH_MMI 0 /* Multimedia (parallel) op */ -#define OP_MASK_MMI 0x3f -#define OP_SH_MMISUB 6 -#define OP_MASK_MMISUB 0x1f -#define OP_MASK_PERFREG 0x1f /* Performance monitoring */ -#define OP_SH_PERFREG 1 - -/* This structure holds information for a particular instruction. */ - -struct mips_opcode -{ - /* The name of the instruction. */ - const char *name; - /* A string describing the arguments for this instruction. */ - const char *args; - /* The basic opcode for the instruction. When assembling, this - opcode is modified by the arguments to produce the actual opcode - that is used. If pinfo is INSN_MACRO, then this is 0. */ - unsigned long match; - /* If pinfo is not INSN_MACRO, then this is a bit mask for the - relevant portions of the opcode when disassembling. If the - actual opcode anded with the match field equals the opcode field, - then we have found the correct instruction. If pinfo is - INSN_MACRO, then this field is the macro identifier. */ - unsigned long mask; - /* For a macro, this is INSN_MACRO. Otherwise, it is a collection - of bits describing the instruction, notably any relevant hazard - information. */ - unsigned long pinfo; - /* A collection of bits describing the instruction sets of which this - instruction or macro is a member. */ - unsigned long membership; -}; - -/* These are the characters which may appears in the args field of an - instruction. They appear in the order in which the fields appear - when the instruction is used. Commas and parentheses in the args - string are ignored when assembling, and written into the output - when disassembling. - - Each of these characters corresponds to a mask field defined above. - - "<" 5 bit shift amount (OP_*_SHAMT) - ">" shift amount between 32 and 63, stored after subtracting 32 (OP_*_SHAMT) - "a" 26 bit target address (OP_*_TARGET) - "b" 5 bit base register (OP_*_RS) - "c" 10 bit breakpoint code (OP_*_CODE) - "d" 5 bit destination register specifier (OP_*_RD) - "h" 5 bit prefx hint (OP_*_PREFX) - "i" 16 bit unsigned immediate (OP_*_IMMEDIATE) - "j" 16 bit signed immediate (OP_*_DELTA) - "k" 5 bit cache opcode in target register position (OP_*_CACHE) - "o" 16 bit signed offset (OP_*_DELTA) - "p" 16 bit PC relative branch target address (OP_*_DELTA) - "q" 10 bit extra breakpoint code (OP_*_CODE2) - "r" 5 bit same register used as both source and target (OP_*_RS) - "s" 5 bit source register specifier (OP_*_RS) - "t" 5 bit target register (OP_*_RT) - "u" 16 bit upper 16 bits of address (OP_*_IMMEDIATE) - "v" 5 bit same register used as both source and destination (OP_*_RS) - "w" 5 bit same register used as both target and destination (OP_*_RT) - "C" 25 bit coprocessor function code (OP_*_COPZ) - "B" 20 bit syscall function code (OP_*_SYSCALL) - "x" accept and ignore register name - "z" must be zero register - - Floating point instructions: - "D" 5 bit destination register (OP_*_FD) - "M" 3 bit compare condition code (OP_*_CCC) (only used for mips4 and up) - "N" 3 bit branch condition code (OP_*_BCC) (only used for mips4 and up) - "S" 5 bit fs source 1 register (OP_*_FS) - "T" 5 bit ft source 2 register (OP_*_FT) - "R" 5 bit fr source 3 register (OP_*_FR) - "V" 5 bit same register used as floating source and destination (OP_*_FS) - "W" 5 bit same register used as floating target and destination (OP_*_FT) - - Coprocessor instructions: - "E" 5 bit target register (OP_*_RT) - "G" 5 bit destination register (OP_*_RD) - "P" 5 bit performance-monitor register (OP_*_PERFREG) - - Macro instructions: - "A" General 32 bit expression - "I" 32 bit immediate - "F" 64 bit floating point constant in .rdata - "L" 64 bit floating point constant in .lit8 - "f" 32 bit floating point constant - "l" 32 bit floating point constant in .lit4 - - Other: - "()" parens surrounding optional value - "," separates operands - - Characters used so far, for quick reference when adding more: - "<>()," - "ABCDEFGILMNSTRVW" - "abcdfhijklopqrstuvwxz" -*/ - -/* These are the bits which may be set in the pinfo field of an - instructions, if it is not equal to INSN_MACRO. */ - -/* Modifies the general purpose register in OP_*_RD. */ -#define INSN_WRITE_GPR_D 0x00000001 -/* Modifies the general purpose register in OP_*_RT. */ -#define INSN_WRITE_GPR_T 0x00000002 -/* Modifies general purpose register 31. */ -#define INSN_WRITE_GPR_31 0x00000004 -/* Modifies the floating point register in OP_*_FD. */ -#define INSN_WRITE_FPR_D 0x00000008 -/* Modifies the floating point register in OP_*_FS. */ -#define INSN_WRITE_FPR_S 0x00000010 -/* Modifies the floating point register in OP_*_FT. */ -#define INSN_WRITE_FPR_T 0x00000020 -/* Reads the general purpose register in OP_*_RS. */ -#define INSN_READ_GPR_S 0x00000040 -/* Reads the general purpose register in OP_*_RT. */ -#define INSN_READ_GPR_T 0x00000080 -/* Reads the floating point register in OP_*_FS. */ -#define INSN_READ_FPR_S 0x00000100 -/* Reads the floating point register in OP_*_FT. */ -#define INSN_READ_FPR_T 0x00000200 -/* Reads the floating point register in OP_*_FR. */ -#define INSN_READ_FPR_R 0x00000400 -/* Modifies coprocessor condition code. */ -#define INSN_WRITE_COND_CODE 0x00000800 -/* Reads coprocessor condition code. */ -#define INSN_READ_COND_CODE 0x00001000 -/* TLB operation. */ -#define INSN_TLB 0x00002000 -/* Reads coprocessor register other than floating point register. */ -#define INSN_COP 0x00004000 -/* Instruction loads value from memory, requiring delay. */ -#define INSN_LOAD_MEMORY_DELAY 0x00008000 -/* Instruction loads value from coprocessor, requiring delay. */ -#define INSN_LOAD_COPROC_DELAY 0x00010000 -/* Instruction has unconditional branch delay slot. */ -#define INSN_UNCOND_BRANCH_DELAY 0x00020000 -/* Instruction has conditional branch delay slot. */ -#define INSN_COND_BRANCH_DELAY 0x00040000 -/* Conditional branch likely: if branch not taken, insn nullified. */ -#define INSN_COND_BRANCH_LIKELY 0x00080000 -/* Moves to coprocessor register, requiring delay. */ -#define INSN_COPROC_MOVE_DELAY 0x00100000 -/* Loads coprocessor register from memory, requiring delay. */ -#define INSN_COPROC_MEMORY_DELAY 0x00200000 -/* Reads the HI register. */ -#define INSN_READ_HI 0x00400000 -/* Reads the LO register. */ -#define INSN_READ_LO 0x00800000 -/* Modifies the HI register. */ -#define INSN_WRITE_HI 0x01000000 -/* Modifies the LO register. */ -#define INSN_WRITE_LO 0x02000000 -/* Takes a trap (easier to keep out of delay slot). */ -#define INSN_TRAP 0x04000000 -/* Instruction stores value into memory. */ -#define INSN_STORE_MEMORY 0x08000000 -/* Instruction uses single precision floating point. */ -#define FP_S 0x10000000 -/* Instruction uses double precision floating point. */ -#define FP_D 0x20000000 -/* Instruction is part of the tx39's integer multiply family. */ -#define INSN_MULT 0x40000000 -/* Instruction synchronize shared memory. */ -#define INSN_SYNC 0x80000000 - -/* Instruction is actually a macro. It should be ignored by the - disassembler, and requires special treatment by the assembler. */ -#define INSN_MACRO 0xffffffff - - - - - -/* MIPS ISA field--CPU level at which insn is supported. */ -#define INSN_ISA 0x0000000F -/* An instruction which is not part of any basic MIPS ISA. - (ie it is a chip specific instruction) */ -#define INSN_NO_ISA 0x00000000 -/* MIPS ISA 1 instruction. */ -#define INSN_ISA1 0x00000001 -/* MIPS ISA 2 instruction (R6000 or R4000). */ -#define INSN_ISA2 0x00000002 -/* MIPS ISA 3 instruction (R4000). */ -#define INSN_ISA3 0x00000003 -/* MIPS ISA 4 instruction (R8000). */ -#define INSN_ISA4 0x00000004 -#define INSN_ISA5 0x00000005 - -/* Chip specific instructions. These are bitmasks. */ -/* MIPS R4650 instruction. */ -#define INSN_4650 0x00000010 -/* LSI R4010 instruction. */ -#define INSN_4010 0x00000020 -/* NEC VR4100 instruction. */ -#define INSN_4100 0x00000040 -/* Toshiba R3900 instruction. */ -#define INSN_3900 0x00000080 - -/* 32-bit code running on a ISA3+ CPU. */ -#define INSN_GP32 0x00001000 - -/* Test for membership in an ISA including chip specific ISAs. - INSN is pointer to an element of the opcode table; ISA is the - specified ISA to test against; and CPU is the CPU specific ISA - to test, or zero if no CPU specific ISA test is desired. - The gp32 arg is set when you need to force 32-bit register usage on - a machine with 64-bit registers; see the documentation under -mgp32 - in the MIPS gas docs. */ - -#define OPCODE_IS_MEMBER(insn,isa,cpu,gp32) \ - ((((insn)->membership & INSN_ISA) != 0 \ - && ((insn)->membership & INSN_ISA) <= isa \ - && ((insn)->membership & INSN_GP32 ? gp32 : 1)) \ - || (cpu == 4650 \ - && ((insn)->membership & INSN_4650) != 0) \ - || (cpu == 4010 \ - && ((insn)->membership & INSN_4010) != 0) \ - || ((cpu == 4100 \ - || cpu == 4111 \ - ) \ - && ((insn)->membership & INSN_4100) != 0) \ - || (cpu == 3900 \ - && ((insn)->membership & INSN_3900) != 0)) - -/* This is a list of macro expanded instructions. - * - * _I appended means immediate - * _A appended means address - * _AB appended means address with base register - * _D appended means 64 bit floating point constant - * _S appended means 32 bit floating point constant - */ -enum { - M_ABS, - M_ADD_I, - M_ADDU_I, - M_AND_I, - M_BEQ, - M_BEQ_I, - M_BEQL_I, - M_BGE, - M_BGEL, - M_BGE_I, - M_BGEL_I, - M_BGEU, - M_BGEUL, - M_BGEU_I, - M_BGEUL_I, - M_BGT, - M_BGTL, - M_BGT_I, - M_BGTL_I, - M_BGTU, - M_BGTUL, - M_BGTU_I, - M_BGTUL_I, - M_BLE, - M_BLEL, - M_BLE_I, - M_BLEL_I, - M_BLEU, - M_BLEUL, - M_BLEU_I, - M_BLEUL_I, - M_BLT, - M_BLTL, - M_BLT_I, - M_BLTL_I, - M_BLTU, - M_BLTUL, - M_BLTU_I, - M_BLTUL_I, - M_BNE, - M_BNE_I, - M_BNEL_I, - M_DABS, - M_DADD_I, - M_DADDU_I, - M_DDIV_3, - M_DDIV_3I, - M_DDIVU_3, - M_DDIVU_3I, - M_DIV_3, - M_DIV_3I, - M_DIVU_3, - M_DIVU_3I, - M_DLA_AB, - M_DLI, - M_DMUL, - M_DMUL_I, - M_DMULO, - M_DMULO_I, - M_DMULOU, - M_DMULOU_I, - M_DREM_3, - M_DREM_3I, - M_DREMU_3, - M_DREMU_3I, - M_DSUB_I, - M_DSUBU_I, - M_DSUBU_I_2, - M_J_A, - M_JAL_1, - M_JAL_2, - M_JAL_A, - M_L_DOB, - M_L_DAB, - M_LA_AB, - M_LB_A, - M_LB_AB, - M_LBU_A, - M_LBU_AB, - M_LD_A, - M_LD_OB, - M_LD_AB, - M_LDC1_AB, - M_LDC2_AB, - M_LDC3_AB, - M_LDL_AB, - M_LDR_AB, - M_LH_A, - M_LH_AB, - M_LHU_A, - M_LHU_AB, - M_LI, - M_LI_D, - M_LI_DD, - M_LI_S, - M_LI_SS, - M_LL_AB, - M_LLD_AB, - M_LS_A, - M_LW_A, - M_LW_AB, - M_LWC0_A, - M_LWC0_AB, - M_LWC1_A, - M_LWC1_AB, - M_LWC2_A, - M_LWC2_AB, - M_LWC3_A, - M_LWC3_AB, - M_LWL_A, - M_LWL_AB, - M_LWR_A, - M_LWR_AB, - M_LWU_AB, - M_MUL, - M_MUL_I, - M_MULO, - M_MULO_I, - M_MULOU, - M_MULOU_I, - M_NOR_I, - M_OR_I, - M_REM_3, - M_REM_3I, - M_REMU_3, - M_REMU_3I, - M_ROL, - M_ROL_I, - M_ROR, - M_ROR_I, - M_S_DA, - M_S_DOB, - M_S_DAB, - M_S_S, - M_SC_AB, - M_SCD_AB, - M_SD_A, - M_SD_OB, - M_SD_AB, - M_SDC1_AB, - M_SDC2_AB, - M_SDC3_AB, - M_SDL_AB, - M_SDR_AB, - M_SEQ, - M_SEQ_I, - M_SGE, - M_SGE_I, - M_SGEU, - M_SGEU_I, - M_SGT, - M_SGT_I, - M_SGTU, - M_SGTU_I, - M_SLE, - M_SLE_I, - M_SLEU, - M_SLEU_I, - M_SLT_I, - M_SLTU_I, - M_SNE, - M_SNE_I, - M_SB_A, - M_SB_AB, - M_SH_A, - M_SH_AB, - M_SW_A, - M_SW_AB, - M_SWC0_A, - M_SWC0_AB, - M_SWC1_A, - M_SWC1_AB, - M_SWC2_A, - M_SWC2_AB, - M_SWC3_A, - M_SWC3_AB, - M_SWL_A, - M_SWL_AB, - M_SWR_A, - M_SWR_AB, - M_SUB_I, - M_SUBU_I, - M_SUBU_I_2, - M_TEQ_I, - M_TGE_I, - M_TGEU_I, - M_TLT_I, - M_TLTU_I, - M_TNE_I, - M_TRUNCWD, - M_TRUNCWS, - M_ULD, - M_ULD_A, - M_ULH, - M_ULH_A, - M_ULHU, - M_ULHU_A, - M_ULW, - M_ULW_A, - M_USH, - M_USH_A, - M_USW, - M_USW_A, - M_USD, - M_USD_A, - M_XOR_I, - M_COP0, - M_COP1, - M_COP2, - M_COP3, - M_NUM_MACROS -}; - - -/* The order of overloaded instructions matters. Label arguments and - register arguments look the same. Instructions that can have either - for arguments must apear in the correct order in this table for the - assembler to pick the right one. In other words, entries with - immediate operands must apear after the same instruction with - registers. - - Many instructions are short hand for other instructions (i.e., The - jal <register> instruction is short for jalr <register>). */ - -extern const struct mips_opcode mips_builtin_opcodes[]; -extern const int bfd_mips_num_builtin_opcodes; -extern struct mips_opcode *mips_opcodes; -extern int bfd_mips_num_opcodes; -#define NUMOPCODES bfd_mips_num_opcodes - - -/* The rest of this file adds definitions for the mips16 TinyRISC - processor. */ - -/* These are the bitmasks and shift counts used for the different - fields in the instruction formats. Other than OP, no masks are - provided for the fixed portions of an instruction, since they are - not needed. - - The I format uses IMM11. - - The RI format uses RX and IMM8. - - The RR format uses RX, and RY. - - The RRI format uses RX, RY, and IMM5. - - The RRR format uses RX, RY, and RZ. - - The RRI_A format uses RX, RY, and IMM4. - - The SHIFT format uses RX, RY, and SHAMT. - - The I8 format uses IMM8. - - The I8_MOVR32 format uses RY and REGR32. - - The IR_MOV32R format uses REG32R and MOV32Z. - - The I64 format uses IMM8. - - The RI64 format uses RY and IMM5. - */ - -#define MIPS16OP_MASK_OP 0x1f -#define MIPS16OP_SH_OP 11 -#define MIPS16OP_MASK_IMM11 0x7ff -#define MIPS16OP_SH_IMM11 0 -#define MIPS16OP_MASK_RX 0x7 -#define MIPS16OP_SH_RX 8 -#define MIPS16OP_MASK_IMM8 0xff -#define MIPS16OP_SH_IMM8 0 -#define MIPS16OP_MASK_RY 0x7 -#define MIPS16OP_SH_RY 5 -#define MIPS16OP_MASK_IMM5 0x1f -#define MIPS16OP_SH_IMM5 0 -#define MIPS16OP_MASK_RZ 0x7 -#define MIPS16OP_SH_RZ 2 -#define MIPS16OP_MASK_IMM4 0xf -#define MIPS16OP_SH_IMM4 0 -#define MIPS16OP_MASK_REGR32 0x1f -#define MIPS16OP_SH_REGR32 0 -#define MIPS16OP_MASK_REG32R 0x1f -#define MIPS16OP_SH_REG32R 3 -#define MIPS16OP_EXTRACT_REG32R(i) ((((i) >> 5) & 7) | ((i) & 0x18)) -#define MIPS16OP_MASK_MOVE32Z 0x7 -#define MIPS16OP_SH_MOVE32Z 0 -#define MIPS16OP_MASK_IMM6 0x3f -#define MIPS16OP_SH_IMM6 5 - -/* These are the characters which may appears in the args field of an - instruction. They appear in the order in which the fields appear - when the instruction is used. Commas and parentheses in the args - string are ignored when assembling, and written into the output - when disassembling. - - "y" 3 bit register (MIPS16OP_*_RY) - "x" 3 bit register (MIPS16OP_*_RX) - "z" 3 bit register (MIPS16OP_*_RZ) - "Z" 3 bit register (MIPS16OP_*_MOVE32Z) - "v" 3 bit same register as source and destination (MIPS16OP_*_RX) - "w" 3 bit same register as source and destination (MIPS16OP_*_RY) - "0" zero register ($0) - "S" stack pointer ($sp or $29) - "P" program counter - "R" return address register ($ra or $31) - "X" 5 bit MIPS register (MIPS16OP_*_REGR32) - "Y" 5 bit MIPS register (MIPS16OP_*_REG32R) - "6" 6 bit unsigned break code (MIPS16OP_*_IMM6) - "a" 26 bit jump address - "e" 11 bit extension value - "l" register list for entry instruction - "L" register list for exit instruction - - The remaining codes may be extended. Except as otherwise noted, - the full extended operand is a 16 bit signed value. - "<" 3 bit unsigned shift count * 0 (MIPS16OP_*_RZ) (full 5 bit unsigned) - ">" 3 bit unsigned shift count * 0 (MIPS16OP_*_RX) (full 5 bit unsigned) - "[" 3 bit unsigned shift count * 0 (MIPS16OP_*_RZ) (full 6 bit unsigned) - "]" 3 bit unsigned shift count * 0 (MIPS16OP_*_RX) (full 6 bit unsigned) - "4" 4 bit signed immediate * 0 (MIPS16OP_*_IMM4) (full 15 bit signed) - "5" 5 bit unsigned immediate * 0 (MIPS16OP_*_IMM5) - "H" 5 bit unsigned immediate * 2 (MIPS16OP_*_IMM5) - "W" 5 bit unsigned immediate * 4 (MIPS16OP_*_IMM5) - "D" 5 bit unsigned immediate * 8 (MIPS16OP_*_IMM5) - "j" 5 bit signed immediate * 0 (MIPS16OP_*_IMM5) - "8" 8 bit unsigned immediate * 0 (MIPS16OP_*_IMM8) - "V" 8 bit unsigned immediate * 4 (MIPS16OP_*_IMM8) - "C" 8 bit unsigned immediate * 8 (MIPS16OP_*_IMM8) - "U" 8 bit unsigned immediate * 0 (MIPS16OP_*_IMM8) (full 16 bit unsigned) - "k" 8 bit signed immediate * 0 (MIPS16OP_*_IMM8) - "K" 8 bit signed immediate * 8 (MIPS16OP_*_IMM8) - "p" 8 bit conditional branch address (MIPS16OP_*_IMM8) - "q" 11 bit branch address (MIPS16OP_*_IMM11) - "A" 8 bit PC relative address * 4 (MIPS16OP_*_IMM8) - "B" 5 bit PC relative address * 8 (MIPS16OP_*_IMM5) - "E" 5 bit PC relative address * 4 (MIPS16OP_*_IMM5) - */ - -/* For the mips16, we use the same opcode table format and a few of - the same flags. However, most of the flags are different. */ - -/* Modifies the register in MIPS16OP_*_RX. */ -#define MIPS16_INSN_WRITE_X 0x00000001 -/* Modifies the register in MIPS16OP_*_RY. */ -#define MIPS16_INSN_WRITE_Y 0x00000002 -/* Modifies the register in MIPS16OP_*_RZ. */ -#define MIPS16_INSN_WRITE_Z 0x00000004 -/* Modifies the T ($24) register. */ -#define MIPS16_INSN_WRITE_T 0x00000008 -/* Modifies the SP ($29) register. */ -#define MIPS16_INSN_WRITE_SP 0x00000010 -/* Modifies the RA ($31) register. */ -#define MIPS16_INSN_WRITE_31 0x00000020 -/* Modifies the general purpose register in MIPS16OP_*_REG32R. */ -#define MIPS16_INSN_WRITE_GPR_Y 0x00000040 -/* Reads the register in MIPS16OP_*_RX. */ -#define MIPS16_INSN_READ_X 0x00000080 -/* Reads the register in MIPS16OP_*_RY. */ -#define MIPS16_INSN_READ_Y 0x00000100 -/* Reads the register in MIPS16OP_*_MOVE32Z. */ -#define MIPS16_INSN_READ_Z 0x00000200 -/* Reads the T ($24) register. */ -#define MIPS16_INSN_READ_T 0x00000400 -/* Reads the SP ($29) register. */ -#define MIPS16_INSN_READ_SP 0x00000800 -/* Reads the RA ($31) register. */ -#define MIPS16_INSN_READ_31 0x00001000 -/* Reads the program counter. */ -#define MIPS16_INSN_READ_PC 0x00002000 -/* Reads the general purpose register in MIPS16OP_*_REGR32. */ -#define MIPS16_INSN_READ_GPR_X 0x00004000 -/* Is a branch insn. */ -#define MIPS16_INSN_BRANCH 0x00010000 - -/* The following flags have the same value for the mips16 opcode - table: - INSN_UNCOND_BRANCH_DELAY - INSN_COND_BRANCH_DELAY - INSN_COND_BRANCH_LIKELY (never used) - INSN_READ_HI - INSN_READ_LO - INSN_WRITE_HI - INSN_WRITE_LO - INSN_TRAP - INSN_ISA3 - */ - -extern const struct mips_opcode mips16_opcodes[]; -extern const int bfd_mips16_num_opcodes; - -#endif /* _MIPS_H_ */ |