/* Interface between the opcode library and its callers.
+
+ Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
Written by Cygnus Support, 1993.
The opcode library (libopcodes.a) provides instruction decoders for
#ifndef DIS_ASM_H
#define DIS_ASM_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#include <stdio.h>
#include "bfd.h"
-typedef int (*fprintf_ftype) PARAMS((FILE*, const char*, ...));
+typedef int (*fprintf_ftype) (void *, const char*, ...);
enum dis_insn_type {
dis_noninsn, /* Not a valid instruction */
typedef struct disassemble_info {
fprintf_ftype fprintf_func;
- FILE *stream;
- PTR application_data;
+ void *stream;
+ void *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;
+ /* An arch/mach-specific bitmask of selected instruction subsets, mainly
+ for processors with run-time-switchable instruction sets. The default,
+ zero, means that there is no constraint. CGEN-based opcodes ports
+ may use ISA_foo masks. */
+ unsigned long insn_sets;
+
+ /* 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;
- PTR private_data;
-
- /* Non-zero if an instruction is to be displayed in raw form (eg: hex)
- (along with the symbolic form which is always printed).
- ??? Not all targets support this yet and not all have the same default
- (which they should). */
-#define DISASM_RAW_INSN_FLAG 0x10000
-#define DISASM_RAW_INSN(INFO) ((INFO)->flags & DISASM_RAW_INSN_FLAG)
+#define INSN_HAS_RELOC 0x80000000
+ void *private_data;
/* Function used to get bytes to disassemble. MEMADDR is the
address of the stuff to be disassembled, MYADDR is the address to
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, int length,
- struct disassemble_info *info));
+ (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));
+ (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));
+ (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)
+ (bfd_vma addr, struct disassemble_info * info);
+ /* Function called to check if a SYMBOL is can be displayed to the user.
+ This is used by some ports that want to hide special symbols when
+ displaying debugging outout. */
+ bfd_boolean (* symbol_is_valid)
+ (asymbol *, struct disassemble_info * info);
+
/* These are for buffer_read_memory. */
bfd_byte *buffer;
bfd_vma buffer_vma;
- int buffer_length;
+ 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;
+
+ /* The number of zeroes we want to see at the end of a section before we
+ start skipping them. */
+ unsigned int skip_zeroes;
+
+ /* The number of zeroes to skip at the end of a section. If the number
+ of zeroes at the end is between SKIP_ZEROES_AT_END and SKIP_ZEROES,
+ they will be disassembled. If there are fewer than
+ SKIP_ZEROES_AT_END, they will be skipped. This is a heuristic
+ attempt to avoid disassembling zeroes inserted by section
+ alignment. */
+ unsigned int skip_zeroes_at_end;
/* Results from instruction decoders. Not all decoders yet support
this information. This info is set each time an instruction is
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 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_h8500 PARAMS ((bfd_vma, disassemble_info*));
-extern int print_insn_alpha PARAMS ((bfd_vma, disassemble_info*));
-/* start-sanitize-arc */
-extern disassembler_ftype arc_get_disassembler PARAMS ((int, int));
-/* end-sanitize-arc */
-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_sparc64 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_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_m88k 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*));
+ target address. Return number of octets processed. */
+typedef int (*disassembler_ftype) (bfd_vma, disassemble_info *);
+
+extern int print_insn_big_mips (bfd_vma, disassemble_info *);
+extern int print_insn_little_mips (bfd_vma, disassemble_info *);
+extern int print_insn_i386 (bfd_vma, disassemble_info *);
+extern int print_insn_i386_att (bfd_vma, disassemble_info *);
+extern int print_insn_i386_intel (bfd_vma, disassemble_info *);
+extern int print_insn_ia64 (bfd_vma, disassemble_info *);
+extern int print_insn_i370 (bfd_vma, disassemble_info *);
+extern int print_insn_m68hc11 (bfd_vma, disassemble_info *);
+extern int print_insn_m68hc12 (bfd_vma, disassemble_info *);
+extern int print_insn_m68k (bfd_vma, disassemble_info *);
+extern int print_insn_z8001 (bfd_vma, disassemble_info *);
+extern int print_insn_z8002 (bfd_vma, disassemble_info *);
+extern int print_insn_h8300 (bfd_vma, disassemble_info *);
+extern int print_insn_h8300h (bfd_vma, disassemble_info *);
+extern int print_insn_h8300s (bfd_vma, disassemble_info *);
+extern int print_insn_h8500 (bfd_vma, disassemble_info *);
+extern int print_insn_alpha (bfd_vma, disassemble_info *);
+extern int print_insn_big_arm (bfd_vma, disassemble_info *);
+extern int print_insn_little_arm (bfd_vma, disassemble_info *);
+extern int print_insn_sparc (bfd_vma, disassemble_info *);
+extern int print_insn_big_a29k (bfd_vma, disassemble_info *);
+extern int print_insn_little_a29k (bfd_vma, disassemble_info *);
+extern int print_insn_avr (bfd_vma, disassemble_info *);
+extern int print_insn_d10v (bfd_vma, disassemble_info *);
+extern int print_insn_d30v (bfd_vma, disassemble_info *);
+extern int print_insn_dlx (bfd_vma, disassemble_info *);
+extern int print_insn_fr30 (bfd_vma, disassemble_info *);
+extern int print_insn_hppa (bfd_vma, disassemble_info *);
+extern int print_insn_i860 (bfd_vma, disassemble_info *);
+extern int print_insn_i960 (bfd_vma, disassemble_info *);
+extern int print_insn_ip2k (bfd_vma, disassemble_info *);
+extern int print_insn_m32r (bfd_vma, disassemble_info *);
+extern int print_insn_m88k (bfd_vma, disassemble_info *);
+extern int print_insn_maxq_little (bfd_vma, disassemble_info *);
+extern int print_insn_maxq_big (bfd_vma, disassemble_info *);
+extern int print_insn_mcore (bfd_vma, disassemble_info *);
+extern int print_insn_mmix (bfd_vma, disassemble_info *);
+extern int print_insn_mn10200 (bfd_vma, disassemble_info *);
+extern int print_insn_mn10300 (bfd_vma, disassemble_info *);
+extern int print_insn_msp430 (bfd_vma, disassemble_info *);
+extern int print_insn_ns32k (bfd_vma, disassemble_info *);
+extern int print_insn_crx (bfd_vma, disassemble_info *);
+extern int print_insn_openrisc (bfd_vma, disassemble_info *);
+extern int print_insn_big_or32 (bfd_vma, disassemble_info *);
+extern int print_insn_little_or32 (bfd_vma, disassemble_info *);
+extern int print_insn_pdp11 (bfd_vma, disassemble_info *);
+extern int print_insn_pj (bfd_vma, disassemble_info *);
+extern int print_insn_big_powerpc (bfd_vma, disassemble_info *);
+extern int print_insn_little_powerpc (bfd_vma, disassemble_info *);
+extern int print_insn_rs6000 (bfd_vma, disassemble_info *);
+extern int print_insn_s390 (bfd_vma, disassemble_info *);
+extern int print_insn_sh (bfd_vma, disassemble_info *);
+extern int print_insn_tic30 (bfd_vma, disassemble_info *);
+extern int print_insn_tic4x (bfd_vma, disassemble_info *);
+extern int print_insn_tic54x (bfd_vma, disassemble_info *);
+extern int print_insn_tic80 (bfd_vma, disassemble_info *);
+extern int print_insn_v850 (bfd_vma, disassemble_info *);
+extern int print_insn_vax (bfd_vma, disassemble_info *);
+extern int print_insn_w65 (bfd_vma, disassemble_info *);
+extern int print_insn_xstormy16 (bfd_vma, disassemble_info *);
+extern int print_insn_xtensa (bfd_vma, disassemble_info *);
+extern int print_insn_sh64 (bfd_vma, disassemble_info *);
+extern int print_insn_sh64x_media (bfd_vma, disassemble_info *);
+extern int print_insn_frv (bfd_vma, disassemble_info *);
+extern int print_insn_iq2000 (bfd_vma, disassemble_info *);
+
+extern disassembler_ftype arc_get_disassembler (void *);
+extern disassembler_ftype cris_get_disassembler (bfd *);
+
+extern void print_mips_disassembler_options (FILE *);
+extern void print_ppc_disassembler_options (FILE *);
+extern void print_arm_disassembler_options (FILE *);
+extern void parse_arm_disassembler_option (char *);
+extern int get_arm_regname_num_options (void);
+extern int set_arm_regname_option (int);
+extern int get_arm_regnames (int, const char **, const char **, const char ***);
+extern bfd_boolean arm_symbol_is_valid (asymbol *, struct disassemble_info *);
/* Fetch the disassembler for a given BFD, if that support is available. */
-extern disassembler_ftype disassembler PARAMS ((bfd *));
+extern disassembler_ftype disassembler (bfd *);
+
+/* Amend the disassemble_info structure as necessary for the target architecture.
+ Should only be called after initialising the info->arch field. */
+extern void disassemble_init_for_target (struct disassemble_info * info);
+
+/* Document any target specific options available from the disassembler. */
+extern void disassembler_usage (FILE *);
\f
/* This block of definitions is for particular callers who read instructions
/* 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 *, int, struct disassemble_info *));
+ (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 *));
+extern void perror_memory (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 *));
+ (bfd_vma, struct disassemble_info *);
+
+/* Always true. */
+extern int generic_symbol_at_address
+ (bfd_vma, struct disassemble_info *);
+
+/* Also always true. */
+extern bfd_boolean generic_symbol_is_valid
+ (asymbol *, struct disassemble_info *);
+
+/* Method to initialize a disassemble_info struct. This should be
+ called by all applications creating such a struct. */
+extern void init_disassemble_info (struct disassemble_info *info, void *stream,
+ fprintf_ftype fprintf_func);
+/* For compatibility with existing code. */
#define INIT_DISASSEMBLE_INFO(INFO, STREAM, FPRINTF_FUNC) \
- (INFO).fprintf_func = (FPRINTF_FUNC), \
- (INFO).stream = (STREAM), \
- (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).arch = bfd_arch_unknown, \
- (INFO).mach = 0, \
- (INFO).endian = BFD_ENDIAN_UNKNOWN, \
- (INFO).flags = 0, \
- (INFO).insn_info_valid = 0
+ init_disassemble_info (&(INFO), (STREAM), (fprintf_ftype) (FPRINTF_FUNC))
+#define INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC) \
+ init_disassemble_info (&(INFO), (STREAM), (fprintf_ftype) (FPRINTF_FUNC))
+
+
+#ifdef __cplusplus
+}
+#endif
#endif /* ! defined (DIS_ASM_H) */
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