[thirdparty/binutils-gdb.git] / include / dis-asm.h

/* Interface between the opcode library and its callers.
   Written by Cygnus Support, 1993.

   The opcode library (libopcodes.a) provides instruction decoders for
   a large variety of instruction sets, callable with an identical
   interface, for making instruction-processing programs more independent
   of the instruction set being processed.  */

#ifndef DIS_ASM_H
#define DIS_ASM_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>
#include "bfd.h"

typedef int (*fprintf_ftype) PARAMS((PTR, const char*, ...));

enum dis_insn_type {
  dis_noninsn,			/* Not a valid instruction */
  dis_nonbranch,		/* Not a branch instruction */
  dis_branch,			/* Unconditional branch */
  dis_condbranch,		/* Conditional branch */
  dis_jsr,			/* Jump to subroutine */
  dis_condjsr,			/* Conditional jump to subroutine */
  dis_dref,			/* Data reference instruction */
  dis_dref2			/* Two data references in instruction */
};

/* This struct is passed into the instruction decoding routine, 
   and is passed back out into each callback.  The various fields are used
   for conveying information from your main routine into your callbacks,
   for passing information into the instruction decoders (such as the
   addresses of the callback functions), or for passing information
   back from the instruction decoders to their callers.

   It must be initialized before it is first passed; this can be done
   by hand, or using one of the initialization macros below.  */

typedef struct disassemble_info {
  fprintf_ftype fprintf_func;
  PTR stream;
  PTR application_data;

  /* Target description.  We could replace this with a pointer to the bfd,
     but that would require one.  There currently isn't any such requirement
     so to avoid introducing one we record these explicitly.  */
  /* The bfd_flavour.  This can be bfd_target_unknown_flavour.  */
  enum bfd_flavour flavour;
  /* The bfd_arch value.  */
  enum bfd_architecture arch;
  /* The bfd_mach value.  */
  unsigned long mach;
  /* Endianness (for bi-endian cpus).  Mono-endian cpus can ignore this.  */
  enum bfd_endian endian;

  /* Some targets need information about the current section to accurately
     display insns.  If this is NULL, the target disassembler function
     will have to make its best guess.  */
  asection *section;

  /* An array of pointers to symbols either at the location being disassembled
     or at the start of the function being disassembled.  The array is sorted
     so that the first symbol is intended to be the one used.  The others are
     present for any misc. purposes.  This is not set reliably, but if it is
     not NULL, it is correct.  */
  asymbol **symbols;
  /* Number of symbols in array.  */
  int num_symbols;

  /* For use by the disassembler.
     The top 16 bits are reserved for public use (and are documented here).
     The bottom 16 bits are for the internal use of the disassembler.  */
  unsigned long flags;
#define INSN_HAS_RELOC	0x80000000
  PTR private_data;

  /* Function used to get bytes to disassemble.  MEMADDR is the
     address of the stuff to be disassembled, MYADDR is the address to
     put the bytes in, and LENGTH is the number of bytes to read.
     INFO is a pointer to this struct.
     Returns an errno value or 0 for success.  */
  int (*read_memory_func)
    PARAMS ((bfd_vma memaddr, bfd_byte *myaddr, unsigned int length,
	     struct disassemble_info *info));

  /* Function which should be called if we get an error that we can't
     recover from.  STATUS is the errno value from read_memory_func and
     MEMADDR is the address that we were trying to read.  INFO is a
     pointer to this struct.  */
  void (*memory_error_func)
    PARAMS ((int status, bfd_vma memaddr, struct disassemble_info *info));

  /* Function called to print ADDR.  */
  void (*print_address_func)
    PARAMS ((bfd_vma addr, struct disassemble_info *info));

  /* Function called to determine if there is a symbol at the given ADDR.
     If there is, the function returns 1, otherwise it returns 0.
     This is used by ports which support an overlay manager where
     the overlay number is held in the top part of an address.  In
     some circumstances we want to include the overlay number in the
     address, (normally because there is a symbol associated with
     that address), but sometimes we want to mask out the overlay bits.  */
  int (* symbol_at_address_func)
    PARAMS ((bfd_vma addr, struct disassemble_info * info));

  /* These are for buffer_read_memory.  */
  bfd_byte *buffer;
  bfd_vma buffer_vma;
  unsigned int buffer_length;

  /* This variable may be set by the instruction decoder.  It suggests
      the number of bytes objdump should display on a single line.  If
      the instruction decoder sets this, it should always set it to
      the same value in order to get reasonable looking output.  */
  int bytes_per_line;

  /* the next two variables control the way objdump displays the raw data */
  /* For example, if bytes_per_line is 8 and bytes_per_chunk is 4, the */
  /* output will look like this:
     00:   00000000 00000000
     with the chunks displayed according to "display_endian". */
  int bytes_per_chunk;
  enum bfd_endian display_endian;

  /* Number of octets per incremented target address 
     Normally one, but some DSPs have byte sizes of 16 or 32 bits
   */
  unsigned int octets_per_byte;

  /* Results from instruction decoders.  Not all decoders yet support
     this information.  This info is set each time an instruction is
     decoded, and is only valid for the last such instruction.

     To determine whether this decoder supports this information, set
     insn_info_valid to 0, decode an instruction, then check it.  */

  char insn_info_valid;		/* Branch info has been set. */
  char branch_delay_insns;	/* How many sequential insn's will run before
				   a branch takes effect.  (0 = normal) */
  char data_size;		/* Size of data reference in insn, in bytes */
  enum dis_insn_type insn_type;	/* Type of instruction */
  bfd_vma target;		/* Target address of branch or dref, if known;
				   zero if unknown.  */
  bfd_vma target2;		/* Second target address for dref2 */

  /* Command line options specific to the target disassembler.  */
  char * disassembler_options;

} disassemble_info;

\f
/* Standard disassemblers.  Disassemble one instruction at the given
   target address.  Return number of bytes processed.  */
typedef int (*disassembler_ftype)
     PARAMS((bfd_vma, disassemble_info *));

extern int print_insn_big_mips		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_little_mips	PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_i386_att		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_i386_intel	PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_ia64		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_i370		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_m68hc11		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_m68hc12		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_m68k		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_z8001		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_z8002		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_h8300		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_h8300h		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_h8300s		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_h8500		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_alpha		PARAMS ((bfd_vma, disassemble_info*));
extern disassembler_ftype arc_get_disassembler PARAMS ((void *));
extern int print_insn_big_arm		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_little_arm	PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_sparc		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_big_a29k		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_little_a29k	PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_i860		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_i960		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_sh		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_shl		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_hppa		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_fr30		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_m32r		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_m88k		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_mcore		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_mn10200		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_mn10300		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_ns32k		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_big_powerpc	PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_little_powerpc	PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_rs6000		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_w65		PARAMS ((bfd_vma, disassemble_info*));
extern disassembler_ftype cris_get_disassembler PARAMS ((bfd *));
extern int print_insn_d10v		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_d30v		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_v850		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_tic30		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_vax		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_tic54x		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_tic80		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_pj		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_avr		PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_s390            PARAMS ((bfd_vma, disassemble_info*)); 

extern void print_arm_disassembler_options PARAMS ((FILE *));
extern void parse_arm_disassembler_option  PARAMS ((char *));
extern int  get_arm_regname_num_options    PARAMS ((void));
extern int  set_arm_regname_option         PARAMS ((int));
extern int  get_arm_regnames               PARAMS ((int, const char **, const char **, const char ***));

/* Fetch the disassembler for a given BFD, if that support is available.  */
extern disassembler_ftype disassembler	PARAMS ((bfd *));

/* Document any target specific options available from the disassembler.  */
extern void disassembler_usage          PARAMS ((FILE *));

\f
/* This block of definitions is for particular callers who read instructions
   into a buffer before calling the instruction decoder.  */

/* Here is a function which callers may wish to use for read_memory_func.
   It gets bytes from a buffer.  */
extern int buffer_read_memory
  PARAMS ((bfd_vma, bfd_byte *, unsigned int, struct disassemble_info *));

/* This function goes with buffer_read_memory.
   It prints a message using info->fprintf_func and info->stream.  */
extern void perror_memory PARAMS ((int, bfd_vma, struct disassemble_info *));


/* Just print the address in hex.  This is included for completeness even
   though both GDB and objdump provide their own (to print symbolic
   addresses).  */
extern void generic_print_address
  PARAMS ((bfd_vma, struct disassemble_info *));

/* Always true.  */
extern int generic_symbol_at_address
  PARAMS ((bfd_vma, struct disassemble_info *));

/* Macro to initialize a disassemble_info struct.  This should be called
   by all applications creating such a struct.  */
#define INIT_DISASSEMBLE_INFO(INFO, STREAM, FPRINTF_FUNC) \
  (INFO).flavour = bfd_target_unknown_flavour, \
  (INFO).arch = bfd_arch_unknown, \
  (INFO).mach = 0, \
  (INFO).endian = BFD_ENDIAN_UNKNOWN, \
  (INFO).octets_per_byte = 1, \
  INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC)

/* Call this macro to initialize only the internal variables for the
   disassembler.  Architecture dependent things such as byte order, or machine
   variant are not touched by this macro.  This makes things much easier for
   GDB which must initialize these things separately.  */

#define INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC) \
  (INFO).fprintf_func = (fprintf_ftype)(FPRINTF_FUNC), \
  (INFO).stream = (PTR)(STREAM), \
  (INFO).section = NULL, \
  (INFO).symbols = NULL, \
  (INFO).num_symbols = 0, \
  (INFO).private_data = NULL, \
  (INFO).buffer = NULL, \
  (INFO).buffer_vma = 0, \
  (INFO).buffer_length = 0, \
  (INFO).read_memory_func = buffer_read_memory, \
  (INFO).memory_error_func = perror_memory, \
  (INFO).print_address_func = generic_print_address, \
  (INFO).symbol_at_address_func = generic_symbol_at_address, \
  (INFO).flags = 0, \
  (INFO).bytes_per_line = 0, \
  (INFO).bytes_per_chunk = 0, \
  (INFO).display_endian = BFD_ENDIAN_UNKNOWN, \
  (INFO).insn_info_valid = 0

#ifdef __cplusplus
};
#endif

#endif /* ! defined (DIS_ASM_H) */
Commit	Line	Data
252b5132 RH	1	/* Interface between the opcode library and its callers.
	2	Written by Cygnus Support, 1993.
	3
	4	The opcode library (libopcodes.a) provides instruction decoders for
	5	a large variety of instruction sets, callable with an identical
	6	interface, for making instruction-processing programs more independent
	7	of the instruction set being processed. */
	8
	9	#ifndef DIS_ASM_H
	10	#define DIS_ASM_H
	11
7d7a6736 ILT	12	#ifdef __cplusplus
	13	extern "C" {
	14	#endif
	15
252b5132 RH	16	#include <stdio.h>
	17	#include "bfd.h"
	18
	19	typedef int (fprintf_ftype) PARAMS((PTR, const char, ...));
	20
	21	enum dis_insn_type {
	22	dis_noninsn, /* Not a valid instruction */
	23	dis_nonbranch, /* Not a branch instruction */
	24	dis_branch, /* Unconditional branch */
	25	dis_condbranch, /* Conditional branch */
	26	dis_jsr, /* Jump to subroutine */
	27	dis_condjsr, /* Conditional jump to subroutine */
	28	dis_dref, /* Data reference instruction */
	29	dis_dref2 /* Two data references in instruction */
	30	};
	31
	32	/* This struct is passed into the instruction decoding routine,
	33	and is passed back out into each callback. The various fields are used
	34	for conveying information from your main routine into your callbacks,
	35	for passing information into the instruction decoders (such as the
	36	addresses of the callback functions), or for passing information
	37	back from the instruction decoders to their callers.
	38
	39	It must be initialized before it is first passed; this can be done
	40	by hand, or using one of the initialization macros below. */
	41
	42	typedef struct disassemble_info {
	43	fprintf_ftype fprintf_func;
	44	PTR stream;
	45	PTR application_data;
	46
	47	/* Target description. We could replace this with a pointer to the bfd,
	48	but that would require one. There currently isn't any such requirement
	49	so to avoid introducing one we record these explicitly. */
	50	/* The bfd_flavour. This can be bfd_target_unknown_flavour. */
	51	enum bfd_flavour flavour;
	52	/* The bfd_arch value. */
	53	enum bfd_architecture arch;
	54	/* The bfd_mach value. */
	55	unsigned long mach;
	56	/* Endianness (for bi-endian cpus). Mono-endian cpus can ignore this. */
	57	enum bfd_endian endian;
	58
ca6d9fb3 HPN	59	/* Some targets need information about the current section to accurately
	60	display insns. If this is NULL, the target disassembler function
	61	will have to make its best guess. */
	62	asection *section;
	63
252b5132 RH	64	/* An array of pointers to symbols either at the location being disassembled
	65	or at the start of the function being disassembled. The array is sorted
	66	so that the first symbol is intended to be the one used. The others are
	67	present for any misc. purposes. This is not set reliably, but if it is
	68	not NULL, it is correct. */
	69	asymbol **symbols;
	70	/* Number of symbols in array. */
	71	int num_symbols;
	72
	73	/* For use by the disassembler.
	74	The top 16 bits are reserved for public use (and are documented here).
	75	The bottom 16 bits are for the internal use of the disassembler. */
	76	unsigned long flags;
	77	#define INSN_HAS_RELOC 0x80000000
	78	PTR private_data;
	79
	80	/* Function used to get bytes to disassemble. MEMADDR is the
	81	address of the stuff to be disassembled, MYADDR is the address to
	82	put the bytes in, and LENGTH is the number of bytes to read.
	83	INFO is a pointer to this struct.
	84	Returns an errno value or 0 for success. */
	85	int (*read_memory_func)
f6af82bd	86	PARAMS ((bfd_vma memaddr, bfd_byte *myaddr, unsigned int length,
252b5132 RH	87	struct disassemble_info *info));
	88
	89	/* Function which should be called if we get an error that we can't
	90	recover from. STATUS is the errno value from read_memory_func and
	91	MEMADDR is the address that we were trying to read. INFO is a
	92	pointer to this struct. */
	93	void (*memory_error_func)
	94	PARAMS ((int status, bfd_vma memaddr, struct disassemble_info *info));
	95
	96	/* Function called to print ADDR. */
	97	void (*print_address_func)
	98	PARAMS ((bfd_vma addr, struct disassemble_info *info));
	99
	100	/* Function called to determine if there is a symbol at the given ADDR.
	101	If there is, the function returns 1, otherwise it returns 0.
	102	This is used by ports which support an overlay manager where
	103	the overlay number is held in the top part of an address. In
	104	some circumstances we want to include the overlay number in the
	105	address, (normally because there is a symbol associated with
	106	that address), but sometimes we want to mask out the overlay bits. */
	107	int (* symbol_at_address_func)
	108	PARAMS ((bfd_vma addr, struct disassemble_info * info));
	109
	110	/* These are for buffer_read_memory. */
	111	bfd_byte *buffer;
	112	bfd_vma buffer_vma;
f6af82bd	113	unsigned int buffer_length;
252b5132 RH	114
	115	/* This variable may be set by the instruction decoder. It suggests
	116	the number of bytes objdump should display on a single line. If
	117	the instruction decoder sets this, it should always set it to
	118	the same value in order to get reasonable looking output. */
	119	int bytes_per_line;
	120
	121	/* the next two variables control the way objdump displays the raw data */
	122	/* For example, if bytes_per_line is 8 and bytes_per_chunk is 4, the */
	123	/* output will look like this:
	124	00: 00000000 00000000
	125	with the chunks displayed according to "display_endian". */
	126	int bytes_per_chunk;
	127	enum bfd_endian display_endian;
	128
940b2b78 TW	129	/* Number of octets per incremented target address
	130	Normally one, but some DSPs have byte sizes of 16 or 32 bits
	131	*/
f6af82bd	132	unsigned int octets_per_byte;
940b2b78	133
252b5132 RH	134	/* Results from instruction decoders. Not all decoders yet support
	135	this information. This info is set each time an instruction is
	136	decoded, and is only valid for the last such instruction.
	137
	138	To determine whether this decoder supports this information, set
	139	insn_info_valid to 0, decode an instruction, then check it. */
	140
	141	char insn_info_valid; /* Branch info has been set. */
	142	char branch_delay_insns; /* How many sequential insn's will run before
	143	a branch takes effect. (0 = normal) */
	144	char data_size; /* Size of data reference in insn, in bytes */
	145	enum dis_insn_type insn_type; /* Type of instruction */
	146	bfd_vma target; /* Target address of branch or dref, if known;
	147	zero if unknown. */
	148	bfd_vma target2; /* Second target address for dref2 */
	149
dd92f639 NC	150	/* Command line options specific to the target disassembler. */
	151	char * disassembler_options;
	152
252b5132 RH	153	} disassemble_info;
	154
	155	\f
	156	/* Standard disassemblers. Disassemble one instruction at the given
	157	target address. Return number of bytes processed. */
	158	typedef int (*disassembler_ftype)
	159	PARAMS((bfd_vma, disassemble_info *));
	160
	161	extern int print_insn_big_mips PARAMS ((bfd_vma, disassemble_info*));
	162	extern int print_insn_little_mips PARAMS ((bfd_vma, disassemble_info*));
	163	extern int print_insn_i386_att PARAMS ((bfd_vma, disassemble_info*));
	164	extern int print_insn_i386_intel PARAMS ((bfd_vma, disassemble_info*));
800eeca4	165	extern int print_insn_ia64 PARAMS ((bfd_vma, disassemble_info*));
5b93d8bb	166	extern int print_insn_i370 PARAMS ((bfd_vma, disassemble_info*));
60bcf0fa NC	167	extern int print_insn_m68hc11 PARAMS ((bfd_vma, disassemble_info*));
60bcf0fa NC	168	extern int print_insn_m68hc12 PARAMS ((bfd_vma, disassemble_info*));
252b5132 RH	169	extern int print_insn_m68k PARAMS ((bfd_vma, disassemble_info*));
	170	extern int print_insn_z8001 PARAMS ((bfd_vma, disassemble_info*));
	171	extern int print_insn_z8002 PARAMS ((bfd_vma, disassemble_info*));
	172	extern int print_insn_h8300 PARAMS ((bfd_vma, disassemble_info*));
	173	extern int print_insn_h8300h PARAMS ((bfd_vma, disassemble_info*));
	174	extern int print_insn_h8300s PARAMS ((bfd_vma, disassemble_info*));
	175	extern int print_insn_h8500 PARAMS ((bfd_vma, disassemble_info*));
	176	extern int print_insn_alpha PARAMS ((bfd_vma, disassemble_info*));
0d2bcfaf	177	extern disassembler_ftype arc_get_disassembler PARAMS ((void *));
252b5132 RH	178	extern int print_insn_big_arm PARAMS ((bfd_vma, disassemble_info*));
	179	extern int print_insn_little_arm PARAMS ((bfd_vma, disassemble_info*));
	180	extern int print_insn_sparc PARAMS ((bfd_vma, disassemble_info*));
	181	extern int print_insn_big_a29k PARAMS ((bfd_vma, disassemble_info*));
	182	extern int print_insn_little_a29k PARAMS ((bfd_vma, disassemble_info*));
9d751335	183	extern int print_insn_i860 PARAMS ((bfd_vma, disassemble_info*));
252b5132 RH	184	extern int print_insn_i960 PARAMS ((bfd_vma, disassemble_info*));
	185	extern int print_insn_sh PARAMS ((bfd_vma, disassemble_info*));
	186	extern int print_insn_shl PARAMS ((bfd_vma, disassemble_info*));
	187	extern int print_insn_hppa PARAMS ((bfd_vma, disassemble_info*));
	188	extern int print_insn_fr30 PARAMS ((bfd_vma, disassemble_info*));
	189	extern int print_insn_m32r PARAMS ((bfd_vma, disassemble_info*));
	190	extern int print_insn_m88k PARAMS ((bfd_vma, disassemble_info*));
	191	extern int print_insn_mcore PARAMS ((bfd_vma, disassemble_info*));
	192	extern int print_insn_mn10200 PARAMS ((bfd_vma, disassemble_info*));
	193	extern int print_insn_mn10300 PARAMS ((bfd_vma, disassemble_info*));
	194	extern int print_insn_ns32k PARAMS ((bfd_vma, disassemble_info*));
	195	extern int print_insn_big_powerpc PARAMS ((bfd_vma, disassemble_info*));
	196	extern int print_insn_little_powerpc PARAMS ((bfd_vma, disassemble_info*));
	197	extern int print_insn_rs6000 PARAMS ((bfd_vma, disassemble_info*));
	198	extern int print_insn_w65 PARAMS ((bfd_vma, disassemble_info*));
fc7372e2	199	extern disassembler_ftype cris_get_disassembler PARAMS ((bfd *));
252b5132 RH	200	extern int print_insn_d10v PARAMS ((bfd_vma, disassemble_info*));
	201	extern int print_insn_d30v PARAMS ((bfd_vma, disassemble_info*));
	202	extern int print_insn_v850 PARAMS ((bfd_vma, disassemble_info*));
	203	extern int print_insn_tic30 PARAMS ((bfd_vma, disassemble_info*));
	204	extern int print_insn_vax PARAMS ((bfd_vma, disassemble_info*));
b019c3c0	205	extern int print_insn_tic54x PARAMS ((bfd_vma, disassemble_info*));
252b5132	206	extern int print_insn_tic80 PARAMS ((bfd_vma, disassemble_info*));
5bb59d65	207	extern int print_insn_pj PARAMS ((bfd_vma, disassemble_info*));
adde6300	208	extern int print_insn_avr PARAMS ((bfd_vma, disassemble_info*));
a85d7ed0	209	extern int print_insn_s390 PARAMS ((bfd_vma, disassemble_info*));
252b5132	210
58efb6c0	211	extern void print_arm_disassembler_options PARAMS ((FILE *));
0d42b144	212	extern void parse_arm_disassembler_option PARAMS ((char *));
a4f41997 NC	213	extern int get_arm_regname_num_options PARAMS ((void));
	214	extern int set_arm_regname_option PARAMS ((int));
	215	extern int get_arm_regnames PARAMS ((int, const char , const char , const char ***));
dd92f639	216
252b5132 RH	217	/* Fetch the disassembler for a given BFD, if that support is available. */
	218	extern disassembler_ftype disassembler PARAMS ((bfd *));
	219
94470b23 NC	220	/* Document any target specific options available from the disassembler. */
	221	extern void disassembler_usage PARAMS ((FILE *));
	222
252b5132 RH	223	\f
	224	/* This block of definitions is for particular callers who read instructions
	225	into a buffer before calling the instruction decoder. */
	226
	227	/* Here is a function which callers may wish to use for read_memory_func.
	228	It gets bytes from a buffer. */
	229	extern int buffer_read_memory
f6af82bd	230	PARAMS ((bfd_vma, bfd_byte , unsigned int, struct disassemble_info ));
252b5132 RH	231
	232	/* This function goes with buffer_read_memory.
	233	It prints a message using info->fprintf_func and info->stream. */
	234	extern void perror_memory PARAMS ((int, bfd_vma, struct disassemble_info *));
	235
	236
	237	/* Just print the address in hex. This is included for completeness even
	238	though both GDB and objdump provide their own (to print symbolic
	239	addresses). */
	240	extern void generic_print_address
	241	PARAMS ((bfd_vma, struct disassemble_info *));
	242
	243	/* Always true. */
	244	extern int generic_symbol_at_address
	245	PARAMS ((bfd_vma, struct disassemble_info *));
	246
	247	/* Macro to initialize a disassemble_info struct. This should be called
	248	by all applications creating such a struct. */
	249	#define INIT_DISASSEMBLE_INFO(INFO, STREAM, FPRINTF_FUNC) \
	250	(INFO).flavour = bfd_target_unknown_flavour, \
	251	(INFO).arch = bfd_arch_unknown, \
	252	(INFO).mach = 0, \
	253	(INFO).endian = BFD_ENDIAN_UNKNOWN, \
940b2b78	254	(INFO).octets_per_byte = 1, \
252b5132 RH	255	INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC)
	256
	257	/* Call this macro to initialize only the internal variables for the
	258	disassembler. Architecture dependent things such as byte order, or machine
	259	variant are not touched by this macro. This makes things much easier for
fc7372e2	260	GDB which must initialize these things separately. */
252b5132 RH	261
	262	#define INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC) \
	263	(INFO).fprintf_func = (fprintf_ftype)(FPRINTF_FUNC), \
	264	(INFO).stream = (PTR)(STREAM), \
ca6d9fb3	265	(INFO).section = NULL, \
252b5132 RH	266	(INFO).symbols = NULL, \
252b5132 RH	267	(INFO).num_symbols = 0, \
ca6d9fb3	268	(INFO).private_data = NULL, \
252b5132 RH	269	(INFO).buffer = NULL, \
	270	(INFO).buffer_vma = 0, \
	271	(INFO).buffer_length = 0, \
	272	(INFO).read_memory_func = buffer_read_memory, \
	273	(INFO).memory_error_func = perror_memory, \
	274	(INFO).print_address_func = generic_print_address, \
	275	(INFO).symbol_at_address_func = generic_symbol_at_address, \
	276	(INFO).flags = 0, \
	277	(INFO).bytes_per_line = 0, \
	278	(INFO).bytes_per_chunk = 0, \
	279	(INFO).display_endian = BFD_ENDIAN_UNKNOWN, \
	280	(INFO).insn_info_valid = 0
	281
7d7a6736 ILT	282	#ifdef __cplusplus
	283	};
	284	#endif
	285
252b5132	286	#endif /* ! defined (DIS_ASM_H) */