1999-05-03 07:29:11 +00:00
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/* Interface between the opcode library and its callers.
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2001-03-14 02:27:44 +00:00
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2002-01-31 17:33:08 +00:00
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Copyright 2001, 2002 Free Software Foundation, Inc.
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2001-03-14 02:27:44 +00:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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1999-05-03 07:29:11 +00:00
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Written by Cygnus Support, 1993.
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The opcode library (libopcodes.a) provides instruction decoders for
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a large variety of instruction sets, callable with an identical
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interface, for making instruction-processing programs more independent
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of the instruction set being processed. */
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#ifndef DIS_ASM_H
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#define DIS_ASM_H
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1999-12-16 01:23:39 +00:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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1999-05-03 07:29:11 +00:00
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#include <stdio.h>
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#include "bfd.h"
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typedef int (*fprintf_ftype) PARAMS((PTR, const char*, ...));
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enum dis_insn_type {
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dis_noninsn, /* Not a valid instruction */
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dis_nonbranch, /* Not a branch instruction */
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dis_branch, /* Unconditional branch */
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dis_condbranch, /* Conditional branch */
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dis_jsr, /* Jump to subroutine */
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dis_condjsr, /* Conditional jump to subroutine */
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dis_dref, /* Data reference instruction */
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dis_dref2 /* Two data references in instruction */
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};
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/* This struct is passed into the instruction decoding routine,
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and is passed back out into each callback. The various fields are used
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for conveying information from your main routine into your callbacks,
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for passing information into the instruction decoders (such as the
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addresses of the callback functions), or for passing information
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back from the instruction decoders to their callers.
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It must be initialized before it is first passed; this can be done
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by hand, or using one of the initialization macros below. */
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typedef struct disassemble_info {
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fprintf_ftype fprintf_func;
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PTR stream;
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PTR application_data;
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/* Target description. We could replace this with a pointer to the bfd,
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but that would require one. There currently isn't any such requirement
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so to avoid introducing one we record these explicitly. */
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/* The bfd_flavour. This can be bfd_target_unknown_flavour. */
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enum bfd_flavour flavour;
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/* The bfd_arch value. */
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enum bfd_architecture arch;
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/* The bfd_mach value. */
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unsigned long mach;
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/* Endianness (for bi-endian cpus). Mono-endian cpus can ignore this. */
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enum bfd_endian endian;
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2002-02-05 19:40:45 +00:00
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/* An arch/mach-specific bitmask of selected instruction subsets, mainly
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for processors with run-time-switchable instruction sets. The default,
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zero, means that there is no constraint. CGEN-based opcodes ports
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may use ISA_foo masks. */
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unsigned long insn_sets;
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1999-05-03 07:29:11 +00:00
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2000-12-18 23:19:55 +00:00
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/* Some targets need information about the current section to accurately
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display insns. If this is NULL, the target disassembler function
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will have to make its best guess. */
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asection *section;
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1999-05-03 07:29:11 +00:00
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/* An array of pointers to symbols either at the location being disassembled
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or at the start of the function being disassembled. The array is sorted
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so that the first symbol is intended to be the one used. The others are
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present for any misc. purposes. This is not set reliably, but if it is
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not NULL, it is correct. */
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asymbol **symbols;
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/* Number of symbols in array. */
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int num_symbols;
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/* For use by the disassembler.
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The top 16 bits are reserved for public use (and are documented here).
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The bottom 16 bits are for the internal use of the disassembler. */
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unsigned long flags;
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#define INSN_HAS_RELOC 0x80000000
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PTR private_data;
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/* Function used to get bytes to disassemble. MEMADDR is the
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address of the stuff to be disassembled, MYADDR is the address to
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put the bytes in, and LENGTH is the number of bytes to read.
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INFO is a pointer to this struct.
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Returns an errno value or 0 for success. */
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int (*read_memory_func)
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2000-02-21 12:01:27 +00:00
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PARAMS ((bfd_vma memaddr, bfd_byte *myaddr, unsigned int length,
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1999-05-03 07:29:11 +00:00
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struct disassemble_info *info));
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/* Function which should be called if we get an error that we can't
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recover from. STATUS is the errno value from read_memory_func and
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MEMADDR is the address that we were trying to read. INFO is a
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pointer to this struct. */
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void (*memory_error_func)
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PARAMS ((int status, bfd_vma memaddr, struct disassemble_info *info));
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/* Function called to print ADDR. */
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void (*print_address_func)
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PARAMS ((bfd_vma addr, struct disassemble_info *info));
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/* Function called to determine if there is a symbol at the given ADDR.
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If there is, the function returns 1, otherwise it returns 0.
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This is used by ports which support an overlay manager where
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the overlay number is held in the top part of an address. In
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some circumstances we want to include the overlay number in the
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address, (normally because there is a symbol associated with
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that address), but sometimes we want to mask out the overlay bits. */
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int (* symbol_at_address_func)
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PARAMS ((bfd_vma addr, struct disassemble_info * info));
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/* These are for buffer_read_memory. */
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bfd_byte *buffer;
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bfd_vma buffer_vma;
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2000-02-21 12:01:27 +00:00
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unsigned int buffer_length;
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1999-05-03 07:29:11 +00:00
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/* This variable may be set by the instruction decoder. It suggests
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the number of bytes objdump should display on a single line. If
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the instruction decoder sets this, it should always set it to
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the same value in order to get reasonable looking output. */
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int bytes_per_line;
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/* the next two variables control the way objdump displays the raw data */
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/* For example, if bytes_per_line is 8 and bytes_per_chunk is 4, the */
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/* output will look like this:
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00: 00000000 00000000
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with the chunks displayed according to "display_endian". */
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int bytes_per_chunk;
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enum bfd_endian display_endian;
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2000-02-03 18:12:55 +00:00
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/* Number of octets per incremented target address
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2001-10-30 15:20:14 +00:00
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Normally one, but some DSPs have byte sizes of 16 or 32 bits. */
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2000-02-21 12:01:27 +00:00
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unsigned int octets_per_byte;
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2000-02-03 18:12:55 +00:00
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1999-05-03 07:29:11 +00:00
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/* Results from instruction decoders. Not all decoders yet support
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this information. This info is set each time an instruction is
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decoded, and is only valid for the last such instruction.
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To determine whether this decoder supports this information, set
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insn_info_valid to 0, decode an instruction, then check it. */
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char insn_info_valid; /* Branch info has been set. */
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char branch_delay_insns; /* How many sequential insn's will run before
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a branch takes effect. (0 = normal) */
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char data_size; /* Size of data reference in insn, in bytes */
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enum dis_insn_type insn_type; /* Type of instruction */
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bfd_vma target; /* Target address of branch or dref, if known;
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zero if unknown. */
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bfd_vma target2; /* Second target address for dref2 */
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1999-06-16 02:24:36 +00:00
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/* Command line options specific to the target disassembler. */
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char * disassembler_options;
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1999-05-03 07:29:11 +00:00
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} disassemble_info;
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/* Standard disassemblers. Disassemble one instruction at the given
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2001-11-11 15:45:34 +00:00
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target address. Return number of octets processed. */
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1999-05-03 07:29:11 +00:00
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typedef int (*disassembler_ftype)
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PARAMS((bfd_vma, disassemble_info *));
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extern int print_insn_big_mips PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_little_mips PARAMS ((bfd_vma, disassemble_info*));
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2001-11-14 03:15:28 +00:00
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extern int print_insn_i386 PARAMS ((bfd_vma, disassemble_info *));
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1999-05-03 07:29:11 +00:00
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extern int print_insn_i386_att PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_i386_intel PARAMS ((bfd_vma, disassemble_info*));
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2000-04-21 20:22:24 +00:00
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extern int print_insn_ia64 PARAMS ((bfd_vma, disassemble_info*));
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2000-02-23 13:52:23 +00:00
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extern int print_insn_i370 PARAMS ((bfd_vma, disassemble_info*));
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2000-06-19 01:22:44 +00:00
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extern int print_insn_m68hc11 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_m68hc12 PARAMS ((bfd_vma, disassemble_info*));
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1999-05-03 07:29:11 +00:00
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extern int print_insn_m68k PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_z8001 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_z8002 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_h8300 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_h8300h PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_h8300s PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_h8500 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_alpha PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_big_arm PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_little_arm PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_sparc PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_big_a29k PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_little_a29k PARAMS ((bfd_vma, disassemble_info*));
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2001-10-30 15:20:14 +00:00
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extern int print_insn_avr PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_d10v PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_d30v PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_fr30 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_hppa PARAMS ((bfd_vma, disassemble_info*));
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2000-07-22 Jason Eckhardt <jle@cygnus.com>
* include/opcode/i860.h (btne, bte, bla): Changed these opcodes
to use sbroff ('r') instead of split16 ('s').
(J, K, L, M): New operand types for 16-bit aligned fields.
(ld.x, {p}fld.x, fst.x, pst.d): Changed these opcodes to
use I, J, K, L, M instead of just I.
(T, U): New operand types for split 16-bit aligned fields.
(st.x): Changed these opcodes to use S, T, U instead of just S.
(andh, andnoth, orh, xorh): Deleted 3-register forms as they do not
exist on the i860.
(pfgt.sd, pfle.sd): Deleted these as they do not exist on the i860.
(pfeq.ss, pfeq.dd): New opcodes.
(st.s): Fixed incorrect mask bits.
(fmlow): Fixed incorrect mask bits.
(fzchkl, pfzchkl): Fixed incorrect mask bits.
(faddz, pfaddz): Fixed incorrect mask bits.
(form, pform): Fixed incorrect mask bits.
(pfld.l): Fixed incorrect mask bits.
(fst.q): Fixed incorrect mask bits.
(all floating point opcodes): Fixed incorrect mask bits for
handling of dual bit.
* include/elf/i860.h: New file.
(elf_i860_reloc_type): Defined ELF32 i860 relocations.
* bfd/cpu-i860.c: Added comments.
* bfd/elf32-i860.c (TARGET_LITTLE_SYM): Defined to
bfd_elf32_i860_little_vec.
(TARGET_LITTLE_NAME): Defined to "elf32-i860-little".
(ELF_MAXPAGESIZE): Changed to 4096.
* bfd/targets.c (bfd_elf32_i860_little_vec): Declaration of
new target.
(bfd_target_vector): Added bfd_elf32_i860_little_vec.
* bfd/config.bfd (i860-stardent-sysv4*, i860-stardent-elf*): Added
config for little endian elf32 i860.
(targ_defvec): Define for the new config above
as "bfd_elf32_i860_little_vec".
(targ_selvecs): Define for the new config above
as "bfd_elf32_i860_vec bfd_elf32_i860_little_vec"
* bfd/configure.in (bfd_elf32_i860_little_vec): Added recognition
of new target vec.
* bfd/configure: Regenerated.
* opcodes/i860-dis.c: New file.
(print_insn_i860): New function.
(print_br_address): New function.
(sign_extend): New function.
(BITWISE_OP): New macro.
(I860_REG_PREFIX): New macro.
(grnames, frnames, crnames): New structures.
* opcodes/disassemble.c (ARCH_i860): Define.
(disassembler): Add check for bfd_arch_i860 to set disassemble
function to print_insn_i860.
* include/dis-asm.h (print_insn_i860): Add prototype.
* opcodes/Makefile.in (CFILES): Added i860-dis.c.
(ALL_MACHINES): Added i860-dis.lo.
(i860-dis.lo): New dependences.
* opcodes/configure.in: New bits for bfd_i860_arch.
* opcodes/configure: Regenerated.
2000-07-28 21:10:20 +00:00
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extern int print_insn_i860 PARAMS ((bfd_vma, disassemble_info*));
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1999-05-03 07:29:11 +00:00
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extern int print_insn_i960 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_m32r PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_m88k PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_mcore PARAMS ((bfd_vma, disassemble_info*));
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2001-10-30 15:20:14 +00:00
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extern int print_insn_mmix PARAMS ((bfd_vma, disassemble_info*));
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1999-05-03 07:29:11 +00:00
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extern int print_insn_mn10200 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_mn10300 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_ns32k PARAMS ((bfd_vma, disassemble_info*));
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2001-04-27 13:34:20 +00:00
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extern int print_insn_openrisc PARAMS ((bfd_vma, disassemble_info*));
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2002-01-31 17:33:08 +00:00
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extern int print_insn_big_or32 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_little_or32 PARAMS ((bfd_vma, disassemble_info*));
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2001-02-18 23:33:11 +00:00
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extern int print_insn_pdp11 PARAMS ((bfd_vma, disassemble_info*));
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2001-10-30 15:20:14 +00:00
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extern int print_insn_pj PARAMS ((bfd_vma, disassemble_info*));
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1999-05-03 07:29:11 +00:00
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extern int print_insn_big_powerpc PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_little_powerpc PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_rs6000 PARAMS ((bfd_vma, disassemble_info*));
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2001-10-30 15:20:14 +00:00
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extern int print_insn_s390 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_sh PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_shl PARAMS ((bfd_vma, disassemble_info*));
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1999-05-03 07:29:11 +00:00
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extern int print_insn_tic30 PARAMS ((bfd_vma, disassemble_info*));
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2000-05-08 11:01:40 +00:00
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extern int print_insn_tic54x PARAMS ((bfd_vma, disassemble_info*));
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1999-05-03 07:29:11 +00:00
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extern int print_insn_tic80 PARAMS ((bfd_vma, disassemble_info*));
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2001-10-30 15:20:14 +00:00
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extern int print_insn_v850 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_vax PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_w65 PARAMS ((bfd_vma, disassemble_info*));
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2001-12-08 03:46:03 +00:00
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extern int print_insn_xstormy16 PARAMS ((bfd_vma, disassemble_info*));
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2002-02-08 05:01:25 +00:00
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extern int print_insn_sh64 PARAMS ((bfd_vma, disassemble_info *));
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extern int print_insn_sh64l PARAMS ((bfd_vma, disassemble_info *));
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extern int print_insn_sh64x_media PARAMS ((bfd_vma, disassemble_info *));
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2001-10-30 15:20:14 +00:00
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extern disassembler_ftype arc_get_disassembler PARAMS ((void *));
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extern disassembler_ftype cris_get_disassembler PARAMS ((bfd *));
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1999-05-03 07:29:11 +00:00
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2000-01-27 22:17:12 +00:00
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extern void print_arm_disassembler_options PARAMS ((FILE *));
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2000-01-28 01:54:05 +00:00
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extern void parse_arm_disassembler_option PARAMS ((char *));
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2000-02-16 18:20:10 +00:00
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extern int get_arm_regname_num_options PARAMS ((void));
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extern int set_arm_regname_option PARAMS ((int));
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extern int get_arm_regnames PARAMS ((int, const char **, const char **, const char ***));
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1999-06-16 02:24:36 +00:00
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1999-05-03 07:29:11 +00:00
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/* Fetch the disassembler for a given BFD, if that support is available. */
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extern disassembler_ftype disassembler PARAMS ((bfd *));
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2000-01-27 21:44:26 +00:00
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/* Document any target specific options available from the disassembler. */
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extern void disassembler_usage PARAMS ((FILE *));
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1999-05-03 07:29:11 +00:00
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/* This block of definitions is for particular callers who read instructions
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into a buffer before calling the instruction decoder. */
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/* Here is a function which callers may wish to use for read_memory_func.
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It gets bytes from a buffer. */
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extern int buffer_read_memory
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2000-02-21 12:01:27 +00:00
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PARAMS ((bfd_vma, bfd_byte *, unsigned int, struct disassemble_info *));
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1999-05-03 07:29:11 +00:00
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/* This function goes with buffer_read_memory.
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It prints a message using info->fprintf_func and info->stream. */
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extern void perror_memory PARAMS ((int, bfd_vma, struct disassemble_info *));
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/* Just print the address in hex. This is included for completeness even
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though both GDB and objdump provide their own (to print symbolic
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addresses). */
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extern void generic_print_address
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PARAMS ((bfd_vma, struct disassemble_info *));
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/* Always true. */
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extern int generic_symbol_at_address
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PARAMS ((bfd_vma, struct disassemble_info *));
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/* Macro to initialize a disassemble_info struct. This should be called
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by all applications creating such a struct. */
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#define INIT_DISASSEMBLE_INFO(INFO, STREAM, FPRINTF_FUNC) \
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(INFO).flavour = bfd_target_unknown_flavour, \
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(INFO).arch = bfd_arch_unknown, \
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(INFO).mach = 0, \
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2002-02-05 19:40:45 +00:00
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(INFO).insn_sets = 0, \
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1999-05-03 07:29:11 +00:00
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(INFO).endian = BFD_ENDIAN_UNKNOWN, \
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2000-02-03 18:12:55 +00:00
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(INFO).octets_per_byte = 1, \
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1999-05-03 07:29:11 +00:00
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INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC)
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/* Call this macro to initialize only the internal variables for the
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disassembler. Architecture dependent things such as byte order, or machine
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variant are not touched by this macro. This makes things much easier for
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2000-09-29 18:07:47 +00:00
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GDB which must initialize these things separately. */
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1999-05-03 07:29:11 +00:00
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#define INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC) \
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(INFO).fprintf_func = (fprintf_ftype)(FPRINTF_FUNC), \
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(INFO).stream = (PTR)(STREAM), \
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2000-12-18 23:19:55 +00:00
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(INFO).section = NULL, \
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1999-05-03 07:29:11 +00:00
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(INFO).symbols = NULL, \
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(INFO).num_symbols = 0, \
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2000-12-18 23:19:55 +00:00
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(INFO).private_data = NULL, \
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1999-05-03 07:29:11 +00:00
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(INFO).buffer = NULL, \
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(INFO).buffer_vma = 0, \
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(INFO).buffer_length = 0, \
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(INFO).read_memory_func = buffer_read_memory, \
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(INFO).memory_error_func = perror_memory, \
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(INFO).print_address_func = generic_print_address, \
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(INFO).symbol_at_address_func = generic_symbol_at_address, \
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(INFO).flags = 0, \
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(INFO).bytes_per_line = 0, \
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(INFO).bytes_per_chunk = 0, \
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(INFO).display_endian = BFD_ENDIAN_UNKNOWN, \
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2001-12-14 21:32:04 +00:00
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(INFO).disassembler_options = NULL, \
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1999-05-03 07:29:11 +00:00
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(INFO).insn_info_valid = 0
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1999-12-16 01:23:39 +00:00
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#ifdef __cplusplus
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};
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#endif
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1999-05-03 07:29:11 +00:00
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#endif /* ! defined (DIS_ASM_H) */
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