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jeremybenn |
/* Interface between the opcode library and its callers.
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
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Free Software Foundation, Inc.
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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., 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA.
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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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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdio.h>
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#include "bfd.h"
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typedef int (*fprintf_ftype) (void *, const char*, ...) /*ATTRIBUTE_FPTR_PRINTF_2*/;
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enum dis_insn_type
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{
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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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{
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fprintf_ftype fprintf_func;
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void *stream;
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void *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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/* Endianness of code, for mixed-endian situations such as ARM BE8. */
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enum bfd_endian endian_code;
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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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void *insn_sets;
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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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/* 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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/* Symbol table provided for targets that want to look at it. This is
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used on Arm to find mapping symbols and determine Arm/Thumb code. */
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asymbol **symtab;
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int symtab_pos;
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int symtab_size;
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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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/* Set if the disassembler has determined that there are one or more
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relocations associated with the instruction being disassembled. */
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#define INSN_HAS_RELOC (1 << 31)
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/* Set if the user has requested the disassembly of data as well as code. */
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#define DISASSEMBLE_DATA (1 << 30)
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/* Set if the user has specifically set the machine type encoded in the
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mach field of this structure. */
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#define USER_SPECIFIED_MACHINE_TYPE (1 << 29)
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/* Use internally by the target specific disassembly code. */
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void *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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(bfd_vma memaddr, bfd_byte *myaddr, unsigned int length,
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struct disassemble_info *dinfo);
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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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(int status, bfd_vma memaddr, struct disassemble_info *dinfo);
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/* Function called to print ADDR. */
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void (*print_address_func)
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(bfd_vma addr, struct disassemble_info *dinfo);
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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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(bfd_vma addr, struct disassemble_info *dinfo);
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/* Function called to check if a SYMBOL is can be displayed to the user.
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This is used by some ports that want to hide special symbols when
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displaying debugging outout. */
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bfd_boolean (* symbol_is_valid)
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(asymbol *, struct disassemble_info *dinfo);
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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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unsigned int buffer_length;
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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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/* Number of octets per incremented target address
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Normally one, but some DSPs have byte sizes of 16 or 32 bits. */
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unsigned int octets_per_byte;
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/* The number of zeroes we want to see at the end of a section before we
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start skipping them. */
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unsigned int skip_zeroes;
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/* The number of zeroes to skip at the end of a section. If the number
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of zeroes at the end is between SKIP_ZEROES_AT_END and SKIP_ZEROES,
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they will be disassembled. If there are fewer than
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SKIP_ZEROES_AT_END, they will be skipped. This is a heuristic
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attempt to avoid disassembling zeroes inserted by section
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alignment. */
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unsigned int skip_zeroes_at_end;
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/* Whether the disassembler always needs the relocations. */
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bfd_boolean disassembler_needs_relocs;
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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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/* Command line options specific to the target disassembler. */
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char * disassembler_options;
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} disassemble_info;
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/* Standard disassemblers. Disassemble one instruction at the given
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target address. Return number of octets processed. */
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typedef int (*disassembler_ftype) (bfd_vma, disassemble_info *);
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extern int print_insn_alpha (bfd_vma, disassemble_info *);
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extern int print_insn_avr (bfd_vma, disassemble_info *);
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extern int print_insn_bfin (bfd_vma, disassemble_info *);
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extern int print_insn_big_arm (bfd_vma, disassemble_info *);
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extern int print_insn_big_mips (bfd_vma, disassemble_info *);
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extern int print_insn_big_or32 (bfd_vma, disassemble_info *);
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extern int print_insn_big_powerpc (bfd_vma, disassemble_info *);
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extern int print_insn_big_score (bfd_vma, disassemble_info *);
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extern int print_insn_cr16 (bfd_vma, disassemble_info *);
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extern int print_insn_crx (bfd_vma, disassemble_info *);
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extern int print_insn_d10v (bfd_vma, disassemble_info *);
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extern int print_insn_d30v (bfd_vma, disassemble_info *);
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extern int print_insn_dlx (bfd_vma, disassemble_info *);
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extern int print_insn_fr30 (bfd_vma, disassemble_info *);
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extern int print_insn_frv (bfd_vma, disassemble_info *);
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extern int print_insn_h8300 (bfd_vma, disassemble_info *);
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extern int print_insn_h8300h (bfd_vma, disassemble_info *);
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extern int print_insn_h8300s (bfd_vma, disassemble_info *);
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extern int print_insn_h8500 (bfd_vma, disassemble_info *);
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extern int print_insn_hppa (bfd_vma, disassemble_info *);
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extern int print_insn_i370 (bfd_vma, disassemble_info *);
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extern int print_insn_i386 (bfd_vma, disassemble_info *);
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extern int print_insn_i386_att (bfd_vma, disassemble_info *);
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extern int print_insn_i386_intel (bfd_vma, disassemble_info *);
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extern int print_insn_i860 (bfd_vma, disassemble_info *);
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extern int print_insn_i960 (bfd_vma, disassemble_info *);
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extern int print_insn_ia64 (bfd_vma, disassemble_info *);
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extern int print_insn_ip2k (bfd_vma, disassemble_info *);
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extern int print_insn_iq2000 (bfd_vma, disassemble_info *);
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extern int print_insn_little_arm (bfd_vma, disassemble_info *);
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extern int print_insn_little_mips (bfd_vma, disassemble_info *);
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extern int print_insn_little_or32 (bfd_vma, disassemble_info *);
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extern int print_insn_little_powerpc (bfd_vma, disassemble_info *);
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extern int print_insn_little_score (bfd_vma, disassemble_info *);
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extern int print_insn_lm32 (bfd_vma, disassemble_info *);
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extern int print_insn_m32c (bfd_vma, disassemble_info *);
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extern int print_insn_m32r (bfd_vma, disassemble_info *);
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extern int print_insn_m68hc11 (bfd_vma, disassemble_info *);
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extern int print_insn_m68hc12 (bfd_vma, disassemble_info *);
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extern int print_insn_m68k (bfd_vma, disassemble_info *);
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extern int print_insn_m88k (bfd_vma, disassemble_info *);
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extern int print_insn_maxq_big (bfd_vma, disassemble_info *);
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extern int print_insn_maxq_little (bfd_vma, disassemble_info *);
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extern int print_insn_mcore (bfd_vma, disassemble_info *);
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extern int print_insn_mep (bfd_vma, disassemble_info *);
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extern int print_insn_microblaze (bfd_vma, disassemble_info *);
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extern int print_insn_mmix (bfd_vma, disassemble_info *);
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extern int print_insn_mn10200 (bfd_vma, disassemble_info *);
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extern int print_insn_mn10300 (bfd_vma, disassemble_info *);
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extern int print_insn_moxie (bfd_vma, disassemble_info *);
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extern int print_insn_msp430 (bfd_vma, disassemble_info *);
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extern int print_insn_mt (bfd_vma, disassemble_info *);
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extern int print_insn_ns32k (bfd_vma, disassemble_info *);
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extern int print_insn_openrisc (bfd_vma, disassemble_info *);
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extern int print_insn_pdp11 (bfd_vma, disassemble_info *);
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extern int print_insn_pj (bfd_vma, disassemble_info *);
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extern int print_insn_rs6000 (bfd_vma, disassemble_info *);
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extern int print_insn_s390 (bfd_vma, disassemble_info *);
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extern int print_insn_sh (bfd_vma, disassemble_info *);
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extern int print_insn_sh64 (bfd_vma, disassemble_info *);
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extern int print_insn_sh64x_media (bfd_vma, disassemble_info *);
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extern int print_insn_sparc (bfd_vma, disassemble_info *);
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extern int print_insn_spu (bfd_vma, disassemble_info *);
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extern int print_insn_tic30 (bfd_vma, disassemble_info *);
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extern int print_insn_tic4x (bfd_vma, disassemble_info *);
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extern int print_insn_tic54x (bfd_vma, disassemble_info *);
|
| 289 |
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|
extern int print_insn_tic80 (bfd_vma, disassemble_info *);
|
| 290 |
|
|
extern int print_insn_v850 (bfd_vma, disassemble_info *);
|
| 291 |
|
|
extern int print_insn_vax (bfd_vma, disassemble_info *);
|
| 292 |
|
|
extern int print_insn_w65 (bfd_vma, disassemble_info *);
|
| 293 |
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|
extern int print_insn_xc16x (bfd_vma, disassemble_info *);
|
| 294 |
|
|
extern int print_insn_xstormy16 (bfd_vma, disassemble_info *);
|
| 295 |
|
|
extern int print_insn_xtensa (bfd_vma, disassemble_info *);
|
| 296 |
|
|
extern int print_insn_z80 (bfd_vma, disassemble_info *);
|
| 297 |
|
|
extern int print_insn_z8001 (bfd_vma, disassemble_info *);
|
| 298 |
|
|
extern int print_insn_z8002 (bfd_vma, disassemble_info *);
|
| 299 |
|
|
extern int print_insn_rx (bfd_vma, disassemble_info *);
|
| 300 |
|
|
|
| 301 |
|
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extern disassembler_ftype arc_get_disassembler (void *);
|
| 302 |
|
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extern disassembler_ftype cris_get_disassembler (bfd *);
|
| 303 |
|
|
|
| 304 |
|
|
extern void print_i386_disassembler_options (FILE *);
|
| 305 |
|
|
extern void print_mips_disassembler_options (FILE *);
|
| 306 |
|
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extern void print_ppc_disassembler_options (FILE *);
|
| 307 |
|
|
extern void print_arm_disassembler_options (FILE *);
|
| 308 |
|
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extern void parse_arm_disassembler_option (char *);
|
| 309 |
|
|
extern void print_s390_disassembler_options (FILE *);
|
| 310 |
|
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extern int get_arm_regname_num_options (void);
|
| 311 |
|
|
extern int set_arm_regname_option (int);
|
| 312 |
|
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extern int get_arm_regnames (int, const char **, const char **, const char *const **);
|
| 313 |
|
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extern bfd_boolean arm_symbol_is_valid (asymbol *, struct disassemble_info *);
|
| 314 |
|
|
|
| 315 |
|
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/* Fetch the disassembler for a given BFD, if that support is available. */
|
| 316 |
|
|
extern disassembler_ftype disassembler (bfd *);
|
| 317 |
|
|
|
| 318 |
|
|
/* Amend the disassemble_info structure as necessary for the target architecture.
|
| 319 |
|
|
Should only be called after initialising the info->arch field. */
|
| 320 |
|
|
extern void disassemble_init_for_target (struct disassemble_info * dinfo);
|
| 321 |
|
|
|
| 322 |
|
|
/* Document any target specific options available from the disassembler. */
|
| 323 |
|
|
extern void disassembler_usage (FILE *);
|
| 324 |
|
|
|
| 325 |
|
|
|
| 326 |
|
|
/* This block of definitions is for particular callers who read instructions
|
| 327 |
|
|
into a buffer before calling the instruction decoder. */
|
| 328 |
|
|
|
| 329 |
|
|
/* Here is a function which callers may wish to use for read_memory_func.
|
| 330 |
|
|
It gets bytes from a buffer. */
|
| 331 |
|
|
extern int buffer_read_memory
|
| 332 |
|
|
(bfd_vma, bfd_byte *, unsigned int, struct disassemble_info *);
|
| 333 |
|
|
|
| 334 |
|
|
/* This function goes with buffer_read_memory.
|
| 335 |
|
|
It prints a message using info->fprintf_func and info->stream. */
|
| 336 |
|
|
extern void perror_memory (int, bfd_vma, struct disassemble_info *);
|
| 337 |
|
|
|
| 338 |
|
|
|
| 339 |
|
|
/* Just print the address in hex. This is included for completeness even
|
| 340 |
|
|
though both GDB and objdump provide their own (to print symbolic
|
| 341 |
|
|
addresses). */
|
| 342 |
|
|
extern void generic_print_address
|
| 343 |
|
|
(bfd_vma, struct disassemble_info *);
|
| 344 |
|
|
|
| 345 |
|
|
/* Always true. */
|
| 346 |
|
|
extern int generic_symbol_at_address
|
| 347 |
|
|
(bfd_vma, struct disassemble_info *);
|
| 348 |
|
|
|
| 349 |
|
|
/* Also always true. */
|
| 350 |
|
|
extern bfd_boolean generic_symbol_is_valid
|
| 351 |
|
|
(asymbol *, struct disassemble_info *);
|
| 352 |
|
|
|
| 353 |
|
|
/* Method to initialize a disassemble_info struct. This should be
|
| 354 |
|
|
called by all applications creating such a struct. */
|
| 355 |
|
|
extern void init_disassemble_info (struct disassemble_info *dinfo, void *stream,
|
| 356 |
|
|
fprintf_ftype fprintf_func);
|
| 357 |
|
|
|
| 358 |
|
|
/* For compatibility with existing code. */
|
| 359 |
|
|
#define INIT_DISASSEMBLE_INFO(INFO, STREAM, FPRINTF_FUNC) \
|
| 360 |
|
|
init_disassemble_info (&(INFO), (STREAM), (fprintf_ftype) (FPRINTF_FUNC))
|
| 361 |
|
|
#define INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC) \
|
| 362 |
|
|
init_disassemble_info (&(INFO), (STREAM), (fprintf_ftype) (FPRINTF_FUNC))
|
| 363 |
|
|
|
| 364 |
|
|
|
| 365 |
|
|
#ifdef __cplusplus
|
| 366 |
|
|
}
|
| 367 |
|
|
#endif
|
| 368 |
|
|
|
| 369 |
|
|
#endif /* ! defined (DIS_ASM_H) */
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