ReactOS 0.4.15-dev-7928-g68a8619
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1/* Interface between the opcode library and its callers.
3 Copyright 2001, 2002 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 Written by Cygnus Support, 1993.
21 The opcode library (libopcodes.a) provides instruction decoders for
22 a large variety of instruction sets, callable with an identical
23 interface, for making instruction-processing programs more independent
24 of the instruction set being processed. */
26#pragma once
28#ifdef __cplusplus
29extern "C" {
32#if 0
33/* #include <stdio.h> */
34/* #include "bfd.h" */
37typedef int (*fprintf_ftype) PARAMS((PTR, const char*, ...));
40 dis_noninsn, /* Not a valid instruction */
41 dis_nonbranch, /* Not a branch instruction */
42 dis_branch, /* Unconditional branch */
43 dis_condbranch, /* Conditional branch */
44 dis_jsr, /* Jump to subroutine */
45 dis_condjsr, /* Conditional jump to subroutine */
46 dis_dref, /* Data reference instruction */
47 dis_dref2 /* Two data references in instruction */
50/* This struct is passed into the instruction decoding routine,
51 and is passed back out into each callback. The various fields are used
52 for conveying information from your main routine into your callbacks,
53 for passing information into the instruction decoders (such as the
54 addresses of the callback functions), or for passing information
55 back from the instruction decoders to their callers.
57 It must be initialized before it is first passed; this can be done
58 by hand, or using one of the initialization macros below. */
60typedef struct disassemble_info {
61 fprintf_ftype fprintf_func;
65 /* Target description. We could replace this with a pointer to the bfd,
66 but that would require one. There currently isn't any such requirement
67 so to avoid introducing one we record these explicitly. */
68 /* The bfd_flavour. This can be bfd_target_unknown_flavour. */
70 /* The bfd_arch value. */
72 /* The bfd_mach value. */
73 unsigned long mach;
74#if 0
75 enum bfd_endian endian;
77 /* An arch/mach-specific bitmask of selected instruction subsets, mainly
78 for processors with run-time-switchable instruction sets. The default,
79 zero, means that there is no constraint. CGEN-based opcodes ports
80 may use ISA_foo masks. */
81 unsigned long insn_sets;
83#if 0
84 /* Some targets need information about the current section to accurately
85 display insns. If this is NULL, the target disassembler function
86 will have to make its best guess. */
87 asection *section;
89 /* An array of pointers to symbols either at the location being disassembled
90 or at the start of the function being disassembled. The array is sorted
91 so that the first symbol is intended to be the one used. The others are
92 present for any misc. purposes. This is not set reliably, but if it is
93 not NULL, it is correct. */
94 asymbol **symbols;
95 /* Number of symbols in array. */
96 int num_symbols;
98 /* For use by the disassembler.
99 The top 16 bits are reserved for public use (and are documented here).
100 The bottom 16 bits are for the internal use of the disassembler. */
101 unsigned long flags;
102#define INSN_HAS_RELOC 0x80000000
105 /* Function used to get bytes to disassemble. MEMADDR is the
106 address of the stuff to be disassembled, MYADDR is the address to
107 put the bytes in, and LENGTH is the number of bytes to read.
108 INFO is a pointer to this struct.
109 Returns an errno value or 0 for success. */
110 int (*read_memory_func)
111 PARAMS ((bfd_vma memaddr, bfd_byte *myaddr, unsigned int length,
114 /* Function which should be called if we get an error that we can't
115 recover from. STATUS is the errno value from read_memory_func and
116 MEMADDR is the address that we were trying to read. INFO is a
117 pointer to this struct. */
118 void (*memory_error_func)
121 /* Function called to print ADDR. */
122 void (*print_address_func)
125 /* Function called to determine if there is a symbol at the given ADDR.
126 If there is, the function returns 1, otherwise it returns 0.
127 This is used by ports which support an overlay manager where
128 the overlay number is held in the top part of an address. In
129 some circumstances we want to include the overlay number in the
130 address, (normally because there is a symbol associated with
131 that address), but sometimes we want to mask out the overlay bits. */
132 int (* symbol_at_address_func)
135 /* These are for buffer_read_memory. */
138 unsigned int buffer_length;
140 /* This variable may be set by the instruction decoder. It suggests
141 the number of bytes objdump should display on a single line. If
142 the instruction decoder sets this, it should always set it to
143 the same value in order to get reasonable looking output. */
146 /* the next two variables control the way objdump displays the raw data */
147 /* For example, if bytes_per_line is 8 and bytes_per_chunk is 4, the */
148 /* output will look like this:
149 00: 00000000 00000000
150 with the chunks displayed according to "display_endian". */
154 /* Number of octets per incremented target address
155 Normally one, but some DSPs have byte sizes of 16 or 32 bits. */
156 unsigned int octets_per_byte;
158 /* Results from instruction decoders. Not all decoders yet support
159 this information. This info is set each time an instruction is
160 decoded, and is only valid for the last such instruction.
162 To determine whether this decoder supports this information, set
163 insn_info_valid to 0, decode an instruction, then check it. */
165 char insn_info_valid; /* Branch info has been set. */
166 char branch_delay_insns; /* How many sequential insn's will run before
167 a branch takes effect. (0 = normal) */
168 char data_size; /* Size of data reference in insn, in bytes */
169 enum dis_insn_type insn_type; /* Type of instruction */
170 bfd_vma target; /* Target address of branch or dref, if known;
171 zero if unknown. */
172 bfd_vma target2; /* Second target address for dref2 */
174 /* Command line options specific to the target disassembler. */
180/* Standard disassemblers. Disassemble one instruction at the given
181 target address. Return number of octets processed. */
182typedef int (*disassembler_ftype)
185extern int print_insn_big_mips PARAMS ((bfd_vma, disassemble_info*));
186extern int print_insn_little_mips PARAMS ((bfd_vma, disassemble_info*));
190extern int print_insn_ia64 PARAMS ((bfd_vma, disassemble_info*));
191extern int print_insn_i370 PARAMS ((bfd_vma, disassemble_info*));
192extern int print_insn_m68hc11 PARAMS ((bfd_vma, disassemble_info*));
193extern int print_insn_m68hc12 PARAMS ((bfd_vma, disassemble_info*));
194extern int print_insn_m68k PARAMS ((bfd_vma, disassemble_info*));
195extern int print_insn_z8001 PARAMS ((bfd_vma, disassemble_info*));
196extern int print_insn_z8002 PARAMS ((bfd_vma, disassemble_info*));
197extern int print_insn_h8300 PARAMS ((bfd_vma, disassemble_info*));
198extern int print_insn_h8300h PARAMS ((bfd_vma, disassemble_info*));
199extern int print_insn_h8300s PARAMS ((bfd_vma, disassemble_info*));
200extern int print_insn_h8500 PARAMS ((bfd_vma, disassemble_info*));
201extern int print_insn_alpha PARAMS ((bfd_vma, disassemble_info*));
202extern int print_insn_big_arm PARAMS ((bfd_vma, disassemble_info*));
203extern int print_insn_little_arm PARAMS ((bfd_vma, disassemble_info*));
204extern int print_insn_sparc PARAMS ((bfd_vma, disassemble_info*));
205extern int print_insn_big_a29k PARAMS ((bfd_vma, disassemble_info*));
206extern int print_insn_little_a29k PARAMS ((bfd_vma, disassemble_info*));
207extern int print_insn_avr PARAMS ((bfd_vma, disassemble_info*));
208extern int print_insn_d10v PARAMS ((bfd_vma, disassemble_info*));
209extern int print_insn_d30v PARAMS ((bfd_vma, disassemble_info*));
210extern int print_insn_dlx PARAMS ((bfd_vma, disassemble_info*));
211extern int print_insn_fr30 PARAMS ((bfd_vma, disassemble_info*));
212extern int print_insn_hppa PARAMS ((bfd_vma, disassemble_info*));
213extern int print_insn_i860 PARAMS ((bfd_vma, disassemble_info*));
214extern int print_insn_i960 PARAMS ((bfd_vma, disassemble_info*));
215extern int print_insn_ip2k PARAMS ((bfd_vma, disassemble_info*));
216extern int print_insn_m32r PARAMS ((bfd_vma, disassemble_info*));
217extern int print_insn_m88k PARAMS ((bfd_vma, disassemble_info*));
218extern int print_insn_mcore PARAMS ((bfd_vma, disassemble_info*));
219extern int print_insn_mmix PARAMS ((bfd_vma, disassemble_info*));
220extern int print_insn_mn10200 PARAMS ((bfd_vma, disassemble_info*));
221extern int print_insn_mn10300 PARAMS ((bfd_vma, disassemble_info*));
222extern int print_insn_msp430 PARAMS ((bfd_vma, disassemble_info*));
223extern int print_insn_ns32k PARAMS ((bfd_vma, disassemble_info*));
224extern int print_insn_openrisc PARAMS ((bfd_vma, disassemble_info*));
225extern int print_insn_big_or32 PARAMS ((bfd_vma, disassemble_info*));
226extern int print_insn_little_or32 PARAMS ((bfd_vma, disassemble_info*));
227extern int print_insn_pdp11 PARAMS ((bfd_vma, disassemble_info*));
228extern int print_insn_pj PARAMS ((bfd_vma, disassemble_info*));
229extern int print_insn_big_powerpc PARAMS ((bfd_vma, disassemble_info*));
230extern int print_insn_little_powerpc PARAMS ((bfd_vma, disassemble_info*));
231extern int print_insn_rs6000 PARAMS ((bfd_vma, disassemble_info*));
232extern int print_insn_s390 PARAMS ((bfd_vma, disassemble_info*));
233extern int print_insn_sh PARAMS ((bfd_vma, disassemble_info*));
234extern int print_insn_tic30 PARAMS ((bfd_vma, disassemble_info*));
235extern int print_insn_tic4x PARAMS ((bfd_vma, disassemble_info*));
236extern int print_insn_tic54x PARAMS ((bfd_vma, disassemble_info*));
237extern int print_insn_tic80 PARAMS ((bfd_vma, disassemble_info*));
238extern int print_insn_v850 PARAMS ((bfd_vma, disassemble_info*));
239extern int print_insn_vax PARAMS ((bfd_vma, disassemble_info*));
240extern int print_insn_w65 PARAMS ((bfd_vma, disassemble_info*));
241extern int print_insn_xstormy16 PARAMS ((bfd_vma, disassemble_info*));
242extern int print_insn_sh64 PARAMS ((bfd_vma, disassemble_info *));
243extern int print_insn_sh64x_media PARAMS ((bfd_vma, disassemble_info *));
244extern int print_insn_frv PARAMS ((bfd_vma, disassemble_info *));
245extern int print_insn_iq2000 PARAMS ((bfd_vma, disassemble_info *));
247extern disassembler_ftype arc_get_disassembler PARAMS ((void *));
248extern disassembler_ftype cris_get_disassembler PARAMS ((bfd *));
250extern void print_mips_disassembler_options PARAMS ((FILE *));
251extern void print_ppc_disassembler_options PARAMS ((FILE *));
252extern void print_arm_disassembler_options PARAMS ((FILE *));
253extern void parse_arm_disassembler_option PARAMS ((char *));
254extern int get_arm_regname_num_options PARAMS ((void));
255extern int set_arm_regname_option PARAMS ((int));
256extern int get_arm_regnames PARAMS ((int, const char **, const char **, const char ***));
258/* Fetch the disassembler for a given BFD, if that support is available. */
259extern disassembler_ftype disassembler PARAMS ((bfd *));
261/* Document any target specific options available from the disassembler. */
262extern void disassembler_usage PARAMS ((FILE *));
265/* This block of definitions is for particular callers who read instructions
266 into a buffer before calling the instruction decoder. */
268/* Here is a function which callers may wish to use for read_memory_func.
269 It gets bytes from a buffer. */
270extern int buffer_read_memory
273/* This function goes with buffer_read_memory.
274 It prints a message using info->fprintf_func and info->stream. */
275extern void perror_memory PARAMS ((int, bfd_vma, struct disassemble_info *));
278/* Just print the address in hex. This is included for completeness even
279 though both GDB and objdump provide their own (to print symbolic
280 addresses). */
281extern void generic_print_address
284/* Always true. */
285extern int generic_symbol_at_address
288/* Macro to initialize a disassemble_info struct. This should be called
289 by all applications creating such a struct. */
291 (INFO).flavour = bfd_target_unknown_flavour, \
292 (INFO).arch = bfd_arch_unknown, \
293 (INFO).mach = 0, \
294 (INFO).insn_sets = 0, \
295 (INFO).endian = BFD_ENDIAN_UNKNOWN, \
296 (INFO).octets_per_byte = 1, \
299/* Call this macro to initialize only the internal variables for the
300 disassembler. Architecture dependent things such as byte order, or machine
301 variant are not touched by this macro. This makes things much easier for
302 GDB which must initialize these things separately. */
305 (INFO).fprintf_func = (fprintf_ftype)(FPRINTF_FUNC), \
306 (INFO).stream = (PTR)(STREAM), \
307 (INFO).section = NULL, \
308 (INFO).symbols = NULL, \
309 (INFO).num_symbols = 0, \
310 (INFO).private_data = NULL, \
311 (INFO).buffer = NULL, \
312 (INFO).buffer_vma = 0, \
313 (INFO).buffer_length = 0, \
314 (INFO).read_memory_func = buffer_read_memory, \
315 (INFO).memory_error_func = perror_memory, \
316 (INFO).print_address_func = generic_print_address, \
317 (INFO).symbol_at_address_func = generic_symbol_at_address, \
318 (INFO).flags = 0, \
319 (INFO).bytes_per_line = 0, \
320 (INFO).bytes_per_chunk = 0, \
321 (INFO).display_endian = BFD_ENDIAN_UNKNOWN, \
322 (INFO).disassembler_options = NULL, \
323 (INFO).insn_info_valid = 0
325#ifdef __cplusplus
int fprintf_ftype PARAMS((PTR, const char *,...))
Definition: dis-asm.h:37
Definition: dis-asm.h:39
@ dis_dref2
Definition: dis-asm.h:47
@ dis_dref
Definition: dis-asm.h:46
@ dis_noninsn
Definition: dis-asm.h:40
@ dis_nonbranch
Definition: dis-asm.h:41
@ dis_condbranch
Definition: dis-asm.h:43
@ dis_jsr
Definition: dis-asm.h:44
@ dis_condjsr
Definition: dis-asm.h:45
@ dis_branch
Definition: dis-asm.h:42
unsigned int(__cdecl typeof(jpeg_read_scanlines))(struct jpeg_decompress_struct *
Definition: typeof.h:31
GLuint buffer
Definition: glext.h:5915
GLuint64EXT GLuint GLuint GLenum GLenum GLuint GLenum GLuint GLenum target2
Definition: glext.h:10609
GLuint GLsizei GLsizei * length
Definition: glext.h:6040
GLenum const GLvoid * addr
Definition: glext.h:9621
GLenum target
Definition: glext.h:7315
unsigned char bfd_byte
Definition: i386-dis.c:25
int print_insn_i386(bfd_vma pc, struct disassemble_info *info)
Definition: i386-dis.c:2078
uintptr_t bfd_vma
Definition: i386-dis.c:24
Definition: i386-dis.c:17
int print_insn_i386_att(bfd_vma pc, disassemble_info *info)
Definition: i386-dis.c:2062
Definition: i386-dis.c:26
Definition: i386-dis.c:21
int print_insn_i386_intel(bfd_vma pc, disassemble_info *info)
Definition: i386-dis.c:2070
unsigned long mach
Definition: dis-asm.h:73
fprintf_ftype fprintf_func
Definition: dis-asm.h:61
char * disassembler_options
Definition: dis-asm.h:175
char insn_info_valid
Definition: dis-asm.h:165
PTR application_data
Definition: dis-asm.h:63
unsigned long flags
Definition: dis-asm.h:101
int bytes_per_chunk
Definition: dis-asm.h:151
unsigned int buffer_length
Definition: dis-asm.h:138
bfd_vma buffer_vma
Definition: dis-asm.h:137
unsigned long insn_sets
Definition: dis-asm.h:81
int bytes_per_line
Definition: dis-asm.h:144
enum bfd_architecture arch
Definition: dis-asm.h:71
unsigned int octets_per_byte
Definition: dis-asm.h:156
enum bfd_flavour flavour
Definition: dis-asm.h:69
char branch_delay_insns
Definition: dis-asm.h:166
enum dis_insn_type insn_type
Definition: dis-asm.h:169
enum bfd_endian display_endian
Definition: dis-asm.h:152
Definition: parser.c:56
Definition: ps.c:97
#define const
Definition: zconf.h:233