+/* Interface between the opcode library and its callers.
+ Written by Cygnus Support, 1993.
+
+ The opcode library (libopcodes.a) provides instruction decoders for
+ a large variety of instruction sets, callable with an identical
+ interface, for making instruction-processing programs more independent
+ of the instruction set being processed. */
+
+#ifndef DIS_ASM_H
+#define DIS_ASM_H
+
#include <stdio.h>
#include "bfd.h"
typedef int (*fprintf_ftype) PARAMS((FILE*, const char*, ...));
+enum dis_insn_type {
+ dis_noninsn, /* Not a valid instruction */
+ dis_nonbranch, /* Not a branch instruction */
+ dis_branch, /* Unconditional branch */
+ dis_condbranch, /* Conditional branch */
+ dis_jsr, /* Jump to subroutine */
+ dis_condjsr, /* Conditional jump to subroutine */
+ dis_dref, /* Data reference instruction */
+ dis_dref2 /* Two data references in instruction */
+};
+
+/* This struct is passed into the instruction decoding routine,
+ and is passed back out into each callback. The various fields are used
+ for conveying information from your main routine into your callbacks,
+ for passing information into the instruction decoders (such as the
+ addresses of the callback functions), or for passing information
+ back from the instruction decoders to their callers.
+
+ It must be initialized before it is first passed; this can be done
+ by hand, or using one of the initialization macros below. */
+
typedef struct disassemble_info {
fprintf_ftype fprintf_func;
FILE *stream;
+ PTR application_data;
/* For use by the disassembler. */
int flags;
bfd_byte *buffer;
bfd_vma buffer_vma;
int buffer_length;
+
+ /* Results from instruction decoders. Not all decoders yet support
+ this information. This info is set each time an instruction is
+ decoded, and is only valid for the last such instruction.
+
+ To determine whether this decoder supports this information, set
+ insn_info_valid to 0, decode an instruction, then check it. */
+
+ char insn_info_valid; /* Branch info has been set. */
+ char branch_delay_insns; /* How many sequential insn's will run before
+ a branch takes effect. (0 = normal) */
+ char data_size; /* Size of data reference in insn, in bytes */
+ enum dis_insn_type insn_type; /* Type of instruction */
+ bfd_vma target; /* Target address of branch or dref, if known;
+ zero if unknown. */
+ bfd_vma target2; /* Second target address for dref2 */
+
} 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 int print_insn_arc PARAMS ((bfd_vma, disassemble_info*));
+/* end-sanitize-arc */
+extern int print_insn_arm PARAMS ((bfd_vma, disassemble_info*));
+extern int print_insn_sparc PARAMS ((bfd_vma, disassemble_info*));
+extern int print_insn_big_a29k PARAMS ((bfd_vma, disassemble_info*));
+extern int print_insn_little_a29k PARAMS ((bfd_vma, disassemble_info*));
+extern int print_insn_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*));
+
+/* Fetch the disassembler for a given BFD, if that support is available. */
+extern disassembler_ftype disassembler PARAMS ((bfd *));
+
+\f
+/* This block of definitions is for particular callers who read instructions
+ into a buffer before calling the instruction decoder. */
+
/* Here is a function which callers may wish to use for read_memory_func.
It gets bytes from a buffer. */
extern int buffer_read_memory
It prints a message using info->fprintf_func and info->stream. */
extern void perror_memory PARAMS ((int, bfd_vma, struct disassemble_info *));
+
/* Just print the address is hex. This is included for completeness even
though both GDB and objdump provide their own (to print symbolic
addresses). */
(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).print_address_func = generic_print_address, \
+ (INFO).insn_info_valid = 0
+
+
+
+\f
+/* This block of definitions is for calling the instruction decoders
+ from GDB. */
/* GDB--Like target_read_memory, but slightly different parameters. */
extern int
(INFO).stream = (STREAM), \
(INFO).read_memory_func = dis_asm_read_memory, \
(INFO).memory_error_func = dis_asm_memory_error, \
- (INFO).print_address_func = dis_asm_print_address
-
-/* Standard disassemblers. Disassemble one instruction at the given
- target address. Return number of bytes processed. */
-typedef int (*disassembler_ftype)
- PARAMS((bfd_vma, disassemble_info *));
+ (INFO).print_address_func = dis_asm_print_address, \
+ (INFO).insn_info_valid = 0
-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*));
-extern int print_insn_sparc PARAMS ((bfd_vma,disassemble_info*));
-extern int print_insn_big_a29k PARAMS ((bfd_vma, disassemble_info*));
-extern int print_insn_little_a29k PARAMS ((bfd_vma, disassemble_info*));
-extern int print_insn_i960 PARAMS ((bfd_vma, disassemble_info*));
-extern int print_insn_sh 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*));
+#endif /* ! defined (DIS_ASM_H) */
projects / deliverable / binutils-gdb.git / blobdiff