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-rw-r--r--opcodes/fr30-dis.c1049
1 files changed, 0 insertions, 1049 deletions
diff --git a/opcodes/fr30-dis.c b/opcodes/fr30-dis.c
deleted file mode 100644
index f171395..0000000
--- a/opcodes/fr30-dis.c
+++ /dev/null
@@ -1,1049 +0,0 @@
-/* Disassembler interface for targets using CGEN. -*- C -*-
- CGEN: Cpu tools GENerator
-
-THIS FILE IS USED TO GENERATE fr30-dis.c.
-
-Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
-
-This file is part of the GNU Binutils and GDB, the GNU debugger.
-
-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. */
-
-#include "sysdep.h"
-#include <stdio.h>
-#include "ansidecl.h"
-#include "dis-asm.h"
-#include "bfd.h"
-#include "symcat.h"
-#include "fr30-opc.h"
-#include "opintl.h"
-
-#undef INLINE
-#ifdef __GNUC__
-#define INLINE __inline__
-#else
-#define INLINE
-#endif
-
-/* Default text to print if an instruction isn't recognized. */
-#define UNKNOWN_INSN_MSG _("*unknown*")
-
-/* Used by the ifield rtx function. */
-#define FLD(f) (fields->f)
-
-static int extract_normal
- PARAMS ((CGEN_OPCODE_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
- unsigned int, unsigned int, unsigned int, unsigned int,
- unsigned int, unsigned int, bfd_vma, long *));
-static void print_normal
- PARAMS ((CGEN_OPCODE_DESC, PTR, long, unsigned int, bfd_vma, int));
-static void print_address
- PARAMS ((CGEN_OPCODE_DESC, PTR, bfd_vma, unsigned int, bfd_vma, int));
-static void print_keyword
- PARAMS ((CGEN_OPCODE_DESC, PTR, CGEN_KEYWORD *, long, unsigned int));
-static int extract_insn_normal
- PARAMS ((CGEN_OPCODE_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
- CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma));
-static void print_insn_normal
- PARAMS ((CGEN_OPCODE_DESC, PTR, const CGEN_INSN *, CGEN_FIELDS *,
- bfd_vma, int));
-static int print_insn PARAMS ((CGEN_OPCODE_DESC, bfd_vma,
- disassemble_info *, char *, int));
-static int default_print_insn
- PARAMS ((CGEN_OPCODE_DESC, bfd_vma, disassemble_info *));
-
-/* -- disassembler routines inserted here */
-/* -- dis.c */
-
-static void
-print_register_list (dis_info, value, offset, load_store)
- PTR dis_info;
- long value;
- long offset;
- int load_store; /* 0 == load, 1 == store */
-{
- disassemble_info *info = dis_info;
- int mask;
- int index = 0;
- char* comma = "";
-
- if (load_store)
- mask = 0x80;
- else
- mask = 1;
-
- if (value & mask)
- {
- (*info->fprintf_func) (info->stream, "r%i", index + offset);
- comma = ",";
- }
-
- for (index = 1; index <= 7; ++index)
- {
- if (load_store)
- mask >>= 1;
- else
- mask <<= 1;
-
- if (value & mask)
- {
- (*info->fprintf_func) (info->stream, "%sr%i", comma, index + offset);
- comma = ",";
- }
- }
-}
-
-static void
-print_hi_register_list_ld (od, dis_info, value, attrs, pc, length)
- CGEN_OPCODE_DESC od;
- PTR dis_info;
- long value;
- unsigned int attrs;
- bfd_vma pc;
- int length;
-{
- print_register_list (dis_info, value, 8, 0/*load*/);
-}
-
-static void
-print_low_register_list_ld (od, dis_info, value, attrs, pc, length)
- CGEN_OPCODE_DESC od;
- PTR dis_info;
- long value;
- unsigned int attrs;
- bfd_vma pc;
- int length;
-{
- print_register_list (dis_info, value, 0, 0/*load*/);
-}
-
-static void
-print_hi_register_list_st (od, dis_info, value, attrs, pc, length)
- CGEN_OPCODE_DESC od;
- PTR dis_info;
- long value;
- unsigned int attrs;
- bfd_vma pc;
- int length;
-{
- print_register_list (dis_info, value, 8, 1/*store*/);
-}
-
-static void
-print_low_register_list_st (od, dis_info, value, attrs, pc, length)
- CGEN_OPCODE_DESC od;
- PTR dis_info;
- long value;
- unsigned int attrs;
- bfd_vma pc;
- int length;
-{
- print_register_list (dis_info, value, 0, 1/*store*/);
-}
-
-static void
-print_m4 (od, dis_info, value, attrs, pc, length)
- CGEN_OPCODE_DESC od;
- PTR dis_info;
- long value;
- unsigned int attrs;
- bfd_vma pc;
- int length;
-{
- disassemble_info *info = (disassemble_info *) dis_info;
- (*info->fprintf_func) (info->stream, "%ld", value);
-}
-/* -- */
-
-/* Main entry point for operand extraction.
-
- This function is basically just a big switch statement. Earlier versions
- used tables to look up the function to use, but
- - if the table contains both assembler and disassembler functions then
- the disassembler contains much of the assembler and vice-versa,
- - there's a lot of inlining possibilities as things grow,
- - using a switch statement avoids the function call overhead.
-
- This function could be moved into `print_insn_normal', but keeping it
- separate makes clear the interface between `print_insn_normal' and each of
- the handlers.
-*/
-
-int
-fr30_cgen_extract_operand (od, opindex, ex_info, insn_value, fields, pc)
- CGEN_OPCODE_DESC od;
- int opindex;
- CGEN_EXTRACT_INFO *ex_info;
- CGEN_INSN_INT insn_value;
- CGEN_FIELDS * fields;
- bfd_vma pc;
-{
- int length;
- unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
-
- switch (opindex)
- {
- case FR30_OPERAND_RI :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 4, 16, total_length, pc, & fields->f_Ri);
- break;
- case FR30_OPERAND_RJ :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 4, 16, total_length, pc, & fields->f_Rj);
- break;
- case FR30_OPERAND_RIC :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 16, 12, 4, 16, total_length, pc, & fields->f_Ric);
- break;
- case FR30_OPERAND_RJC :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 16, 8, 4, 16, total_length, pc, & fields->f_Rjc);
- break;
- case FR30_OPERAND_CRI :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 16, 12, 4, 16, total_length, pc, & fields->f_CRi);
- break;
- case FR30_OPERAND_CRJ :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 16, 8, 4, 16, total_length, pc, & fields->f_CRj);
- break;
- case FR30_OPERAND_RS1 :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 4, 16, total_length, pc, & fields->f_Rs1);
- break;
- case FR30_OPERAND_RS2 :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 4, 16, total_length, pc, & fields->f_Rs2);
- break;
- case FR30_OPERAND_R13 :
- length = extract_normal (od, ex_info, insn_value, 0, 0, 0, 0, 0, total_length, pc, & fields->f_nil);
- break;
- case FR30_OPERAND_R14 :
- length = extract_normal (od, ex_info, insn_value, 0, 0, 0, 0, 0, total_length, pc, & fields->f_nil);
- break;
- case FR30_OPERAND_R15 :
- length = extract_normal (od, ex_info, insn_value, 0, 0, 0, 0, 0, total_length, pc, & fields->f_nil);
- break;
- case FR30_OPERAND_PS :
- length = extract_normal (od, ex_info, insn_value, 0, 0, 0, 0, 0, total_length, pc, & fields->f_nil);
- break;
- case FR30_OPERAND_U4 :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 4, 16, total_length, pc, & fields->f_u4);
- break;
- case FR30_OPERAND_U4C :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 4, 16, total_length, pc, & fields->f_u4c);
- break;
- case FR30_OPERAND_U8 :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, pc, & fields->f_u8);
- break;
- case FR30_OPERAND_I8 :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 4, 8, 16, total_length, pc, & fields->f_i8);
- break;
- case FR30_OPERAND_UDISP6 :
- {
- long value;
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 4, 16, total_length, pc, & value);
- value = ((value) << (2));
- fields->f_udisp6 = value;
- }
- break;
- case FR30_OPERAND_DISP8 :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX), 0, 4, 8, 16, total_length, pc, & fields->f_disp8);
- break;
- case FR30_OPERAND_DISP9 :
- {
- long value;
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX), 0, 4, 8, 16, total_length, pc, & value);
- value = ((value) << (1));
- fields->f_disp9 = value;
- }
- break;
- case FR30_OPERAND_DISP10 :
- {
- long value;
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX), 0, 4, 8, 16, total_length, pc, & value);
- value = ((value) << (2));
- fields->f_disp10 = value;
- }
- break;
- case FR30_OPERAND_S10 :
- {
- long value;
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX), 0, 8, 8, 16, total_length, pc, & value);
- value = ((value) << (2));
- fields->f_s10 = value;
- }
- break;
- case FR30_OPERAND_U10 :
- {
- long value;
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, pc, & value);
- value = ((value) << (2));
- fields->f_u10 = value;
- }
- break;
- case FR30_OPERAND_I32 :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGN_OPT)|(1<<CGEN_OPERAND_UNSIGNED), 16, 0, 32, 32, total_length, pc, & fields->f_i32);
- break;
- case FR30_OPERAND_M4 :
- {
- long value;
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 4, 16, total_length, pc, & value);
- value = ((value) | (((-1) << (4))));
- fields->f_m4 = value;
- }
- break;
- case FR30_OPERAND_I20 :
- {
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED)|(1<<CGEN_OPERAND_VIRTUAL), 0, 8, 4, 16, total_length, pc, & fields->f_i20_4);
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED)|(1<<CGEN_OPERAND_VIRTUAL), 16, 0, 16, 16, total_length, pc, & fields->f_i20_16);
-do {
- FLD (f_i20) = ((((FLD (f_i20_4)) << (16))) | (FLD (f_i20_16)));
-} while (0);
- }
- break;
- case FR30_OPERAND_DIR8 :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, pc, & fields->f_dir8);
- break;
- case FR30_OPERAND_DIR9 :
- {
- long value;
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, pc, & value);
- value = ((value) << (1));
- fields->f_dir9 = value;
- }
- break;
- case FR30_OPERAND_DIR10 :
- {
- long value;
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, pc, & value);
- value = ((value) << (2));
- fields->f_dir10 = value;
- }
- break;
- case FR30_OPERAND_LABEL9 :
- {
- long value;
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_PCREL_ADDR), 0, 8, 8, 16, total_length, pc, & value);
- value = ((((value) << (1))) + (((pc) + (2))));
- fields->f_rel9 = value;
- }
- break;
- case FR30_OPERAND_LABEL12 :
- {
- long value;
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_PCREL_ADDR), 0, 5, 11, 16, total_length, pc, & value);
- value = ((((value) << (1))) + (((pc) + (2))));
- fields->f_rel12 = value;
- }
- break;
- case FR30_OPERAND_REGLIST_LOW_LD :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, pc, & fields->f_reglist_low_ld);
- break;
- case FR30_OPERAND_REGLIST_HI_LD :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, pc, & fields->f_reglist_hi_ld);
- break;
- case FR30_OPERAND_REGLIST_LOW_ST :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, pc, & fields->f_reglist_low_st);
- break;
- case FR30_OPERAND_REGLIST_HI_ST :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, pc, & fields->f_reglist_hi_st);
- break;
- case FR30_OPERAND_CC :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 4, 4, 16, total_length, pc, & fields->f_cc);
- break;
- case FR30_OPERAND_CCC :
- length = extract_normal (od, ex_info, insn_value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 16, 0, 8, 16, total_length, pc, & fields->f_ccc);
- break;
-
- default :
- /* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
- opindex);
- abort ();
- }
-
- return length;
-}
-
-/* Main entry point for printing operands.
-
- This function is basically just a big switch statement. Earlier versions
- used tables to look up the function to use, but
- - if the table contains both assembler and disassembler functions then
- the disassembler contains much of the assembler and vice-versa,
- - there's a lot of inlining possibilities as things grow,
- - using a switch statement avoids the function call overhead.
-
- This function could be moved into `print_insn_normal', but keeping it
- separate makes clear the interface between `print_insn_normal' and each of
- the handlers.
-*/
-
-void
-fr30_cgen_print_operand (od, opindex, info, fields, attrs, pc, length)
- CGEN_OPCODE_DESC od;
- int opindex;
- disassemble_info * info;
- CGEN_FIELDS * fields;
- void const * attrs;
- bfd_vma pc;
- int length;
-{
- switch (opindex)
- {
- case FR30_OPERAND_RI :
- print_keyword (od, info, & fr30_cgen_opval_h_gr, fields->f_Ri, 0|(1<<CGEN_OPERAND_UNSIGNED));
- break;
- case FR30_OPERAND_RJ :
- print_keyword (od, info, & fr30_cgen_opval_h_gr, fields->f_Rj, 0|(1<<CGEN_OPERAND_UNSIGNED));
- break;
- case FR30_OPERAND_RIC :
- print_keyword (od, info, & fr30_cgen_opval_h_gr, fields->f_Ric, 0|(1<<CGEN_OPERAND_UNSIGNED));
- break;
- case FR30_OPERAND_RJC :
- print_keyword (od, info, & fr30_cgen_opval_h_gr, fields->f_Rjc, 0|(1<<CGEN_OPERAND_UNSIGNED));
- break;
- case FR30_OPERAND_CRI :
- print_keyword (od, info, & fr30_cgen_opval_h_cr, fields->f_CRi, 0|(1<<CGEN_OPERAND_UNSIGNED));
- break;
- case FR30_OPERAND_CRJ :
- print_keyword (od, info, & fr30_cgen_opval_h_cr, fields->f_CRj, 0|(1<<CGEN_OPERAND_UNSIGNED));
- break;
- case FR30_OPERAND_RS1 :
- print_keyword (od, info, & fr30_cgen_opval_h_dr, fields->f_Rs1, 0|(1<<CGEN_OPERAND_UNSIGNED));
- break;
- case FR30_OPERAND_RS2 :
- print_keyword (od, info, & fr30_cgen_opval_h_dr, fields->f_Rs2, 0|(1<<CGEN_OPERAND_UNSIGNED));
- break;
- case FR30_OPERAND_R13 :
- print_keyword (od, info, & fr30_cgen_opval_h_r13, fields->f_nil, 0);
- break;
- case FR30_OPERAND_R14 :
- print_keyword (od, info, & fr30_cgen_opval_h_r14, fields->f_nil, 0);
- break;
- case FR30_OPERAND_R15 :
- print_keyword (od, info, & fr30_cgen_opval_h_r15, fields->f_nil, 0);
- break;
- case FR30_OPERAND_PS :
- print_keyword (od, info, & fr30_cgen_opval_h_ps, fields->f_nil, 0);
- break;
- case FR30_OPERAND_U4 :
- print_normal (od, info, fields->f_u4, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_U4C :
- print_normal (od, info, fields->f_u4c, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_U8 :
- print_normal (od, info, fields->f_u8, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_I8 :
- print_normal (od, info, fields->f_i8, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_UDISP6 :
- print_normal (od, info, fields->f_udisp6, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_DISP8 :
- print_normal (od, info, fields->f_disp8, 0|(1<<CGEN_OPERAND_HASH_PREFIX), pc, length);
- break;
- case FR30_OPERAND_DISP9 :
- print_normal (od, info, fields->f_disp9, 0|(1<<CGEN_OPERAND_HASH_PREFIX), pc, length);
- break;
- case FR30_OPERAND_DISP10 :
- print_normal (od, info, fields->f_disp10, 0|(1<<CGEN_OPERAND_HASH_PREFIX), pc, length);
- break;
- case FR30_OPERAND_S10 :
- print_normal (od, info, fields->f_s10, 0|(1<<CGEN_OPERAND_HASH_PREFIX), pc, length);
- break;
- case FR30_OPERAND_U10 :
- print_normal (od, info, fields->f_u10, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_I32 :
- print_normal (od, info, fields->f_i32, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGN_OPT)|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_M4 :
- print_m4 (od, info, fields->f_m4, 0|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_I20 :
- print_normal (od, info, fields->f_i20, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length);
- break;
- case FR30_OPERAND_DIR8 :
- print_normal (od, info, fields->f_dir8, 0|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_DIR9 :
- print_normal (od, info, fields->f_dir9, 0|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_DIR10 :
- print_normal (od, info, fields->f_dir10, 0|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_LABEL9 :
- print_address (od, info, fields->f_rel9, 0|(1<<CGEN_OPERAND_PCREL_ADDR), pc, length);
- break;
- case FR30_OPERAND_LABEL12 :
- print_address (od, info, fields->f_rel12, 0|(1<<CGEN_OPERAND_PCREL_ADDR), pc, length);
- break;
- case FR30_OPERAND_REGLIST_LOW_LD :
- print_low_register_list_ld (od, info, fields->f_reglist_low_ld, 0|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_REGLIST_HI_LD :
- print_hi_register_list_ld (od, info, fields->f_reglist_hi_ld, 0|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_REGLIST_LOW_ST :
- print_low_register_list_st (od, info, fields->f_reglist_low_st, 0|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_REGLIST_HI_ST :
- print_hi_register_list_st (od, info, fields->f_reglist_hi_st, 0|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_CC :
- print_normal (od, info, fields->f_cc, 0|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
- case FR30_OPERAND_CCC :
- print_normal (od, info, fields->f_ccc, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), pc, length);
- break;
-
- default :
- /* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while printing insn.\n"),
- opindex);
- abort ();
- }
-}
-
-cgen_extract_fn * const fr30_cgen_extract_handlers[] =
-{
- 0, /* default */
- extract_insn_normal,
-};
-
-cgen_print_fn * const fr30_cgen_print_handlers[] =
-{
- 0, /* default */
- print_insn_normal,
-};
-
-
-void
-fr30_cgen_init_dis (od)
- CGEN_OPCODE_DESC od;
-{
-}
-
-
-#if ! CGEN_INT_INSN_P
-
-/* Subroutine of extract_normal.
- Ensure sufficient bytes are cached in EX_INFO.
- OFFSET is the offset in bytes from the start of the insn of the value.
- BYTES is the length of the needed value.
- Returns 1 for success, 0 for failure. */
-
-static INLINE int
-fill_cache (od, ex_info, offset, bytes, pc)
- CGEN_OPCODE_DESC od;
- CGEN_EXTRACT_INFO *ex_info;
- int offset, bytes;
- bfd_vma pc;
-{
- /* It's doubtful that the middle part has already been fetched so
- we don't optimize that case. kiss. */
- int mask;
- disassemble_info *info = (disassemble_info *) ex_info->dis_info;
-
- /* First do a quick check. */
- mask = (1 << bytes) - 1;
- if (((ex_info->valid >> offset) & mask) == mask)
- return 1;
-
- /* Search for the first byte we need to read. */
- for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
- if (! (mask & ex_info->valid))
- break;
-
- if (bytes)
- {
- int status;
-
- pc += offset;
- status = (*info->read_memory_func)
- (pc, ex_info->insn_bytes + offset, bytes, info);
-
- if (status != 0)
- {
- (*info->memory_error_func) (status, pc, info);
- return 0;
- }
-
- ex_info->valid |= ((1 << bytes) - 1) << offset;
- }
-
- return 1;
-}
-
-/* Subroutine of extract_normal. */
-
-static INLINE long
-extract_1 (od, ex_info, start, length, word_length, bufp, pc)
- CGEN_OPCODE_DESC od;
- CGEN_EXTRACT_INFO *ex_info;
- int start,length,word_length;
- unsigned char *bufp;
- bfd_vma pc;
-{
- unsigned long x,mask;
- int shift;
- int big_p = CGEN_OPCODE_INSN_ENDIAN (od) == CGEN_ENDIAN_BIG;
-
- switch (word_length)
- {
- case 8:
- x = *bufp;
- break;
- case 16:
- if (big_p)
- x = bfd_getb16 (bufp);
- else
- x = bfd_getl16 (bufp);
- break;
- case 24:
- /* ??? This may need reworking as these cases don't necessarily
- want the first byte and the last two bytes handled like this. */
- if (big_p)
- x = (bufp[0] << 16) | bfd_getb16 (bufp + 1);
- else
- x = bfd_getl16 (bufp) | (bufp[2] << 16);
- break;
- case 32:
- if (big_p)
- x = bfd_getb32 (bufp);
- else
- x = bfd_getl32 (bufp);
- break;
- default :
- abort ();
- }
-
- /* Written this way to avoid undefined behaviour. */
- mask = (((1L << (length - 1)) - 1) << 1) | 1;
- if (CGEN_INSN_LSB0_P)
- shift = (start + 1) - length;
- else
- shift = (word_length - (start + length));
- return (x >> shift) & mask;
-}
-
-#endif /* ! CGEN_INT_INSN_P */
-
-/* Default extraction routine.
-
- INSN_VALUE is the first CGEN_BASE_INSN_SIZE bits of the insn in host order,
- or sometimes less for cases like the m32r where the base insn size is 32
- but some insns are 16 bits.
- ATTRS is a mask of the boolean attributes. We only need `UNSIGNED',
- but for generality we take a bitmask of all of them.
- WORD_OFFSET is the offset in bits from the start of the insn of the value.
- WORD_LENGTH is the length of the word in bits in which the value resides.
- START is the starting bit number in the word, architecture origin.
- LENGTH is the length of VALUE in bits.
- TOTAL_LENGTH is the total length of the insn in bits.
-
- Returns 1 for success, 0 for failure. */
-
-/* ??? The return code isn't properly used. wip. */
-
-/* ??? This doesn't handle bfd_vma's. Create another function when
- necessary. */
-
-static int
-extract_normal (od, ex_info, insn_value, attrs, word_offset, start, length,
- word_length, total_length, pc, valuep)
- CGEN_OPCODE_DESC od;
- CGEN_EXTRACT_INFO *ex_info;
- CGEN_INSN_INT insn_value;
- unsigned int attrs;
- unsigned int word_offset, start, length, word_length, total_length;
- bfd_vma pc;
- long *valuep;
-{
- CGEN_INSN_INT value;
-
- /* If LENGTH is zero, this operand doesn't contribute to the value
- so give it a standard value of zero. */
- if (length == 0)
- {
- *valuep = 0;
- return 1;
- }
-
- if (CGEN_INT_INSN_P
- && word_offset != 0)
- abort ();
-
- if (word_length > 32)
- abort ();
-
- /* For architectures with insns smaller than the insn-base-bitsize,
- word_length may be too big. */
-#if CGEN_MIN_INSN_BITSIZE < CGEN_BASE_INSN_BITSIZE
- if (word_offset == 0
- && word_length > total_length)
- word_length = total_length;
-#endif
-
- /* Does the value reside in INSN_VALUE? */
-
- if (word_offset == 0)
- {
- /* Written this way to avoid undefined behaviour. */
- CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
-
- if (CGEN_INSN_LSB0_P)
- value = insn_value >> ((start + 1) - length);
- else
- value = insn_value >> (word_length - (start + length));
- value &= mask;
- /* sign extend? */
- if (! CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_UNSIGNED)
- && (value & (1L << (length - 1))))
- value |= ~mask;
- }
-
-#if ! CGEN_INT_INSN_P
-
- else
- {
- unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
-
- if (word_length > 32)
- abort ();
-
- if (fill_cache (od, ex_info, word_offset / 8, word_length / 8, pc) == 0)
- return 0;
-
- value = extract_1 (od, ex_info, start, length, word_length, bufp, pc);
- }
-
-#endif /* ! CGEN_INT_INSN_P */
-
- *valuep = value;
-
- return 1;
-}
-
-/* Default print handler. */
-
-static void
-print_normal (od, dis_info, value, attrs, pc, length)
- CGEN_OPCODE_DESC od;
- PTR dis_info;
- long value;
- unsigned int attrs;
- bfd_vma pc;
- int length;
-{
- disassemble_info *info = (disassemble_info *) dis_info;
-
-#ifdef CGEN_PRINT_NORMAL
- CGEN_PRINT_NORMAL (od, info, value, attrs, pc, length);
-#endif
-
- /* Print the operand as directed by the attributes. */
- if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_SEM_ONLY))
- ; /* nothing to do */
- else if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_UNSIGNED))
- (*info->fprintf_func) (info->stream, "0x%lx", value);
- else
- (*info->fprintf_func) (info->stream, "%ld", value);
-}
-
-/* Default address handler. */
-
-static void
-print_address (od, dis_info, value, attrs, pc, length)
- CGEN_OPCODE_DESC od;
- PTR dis_info;
- bfd_vma value;
- unsigned int attrs;
- bfd_vma pc;
- int length;
-{
- disassemble_info *info = (disassemble_info *) dis_info;
-
-#ifdef CGEN_PRINT_ADDRESS
- CGEN_PRINT_ADDRESS (od, info, value, attrs, pc, length);
-#endif
-
- /* Print the operand as directed by the attributes. */
- if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_SEM_ONLY))
- ; /* nothing to do */
- else if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_PCREL_ADDR))
- (*info->print_address_func) (value, info);
- else if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_ABS_ADDR))
- (*info->print_address_func) (value, info);
- else if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_UNSIGNED))
- (*info->fprintf_func) (info->stream, "0x%lx", (long) value);
- else
- (*info->fprintf_func) (info->stream, "%ld", (long) value);
-}
-
-/* Keyword print handler. */
-
-static void
-print_keyword (od, dis_info, keyword_table, value, attrs)
- CGEN_OPCODE_DESC od;
- PTR dis_info;
- CGEN_KEYWORD *keyword_table;
- long value;
- unsigned int attrs;
-{
- disassemble_info *info = (disassemble_info *) dis_info;
- const CGEN_KEYWORD_ENTRY *ke;
-
- ke = cgen_keyword_lookup_value (keyword_table, value);
- if (ke != NULL)
- (*info->fprintf_func) (info->stream, "%s", ke->name);
- else
- (*info->fprintf_func) (info->stream, "???");
-}
-
-/* Default insn extractor.
-
- INSN_VALUE is the first CGEN_BASE_INSN_SIZE bytes, translated to host order.
- The extracted fields are stored in FIELDS.
- EX_INFO is used to handle reading variable length insns.
- Return the length of the insn in bits, or 0 if no match,
- or -1 if an error occurs fetching data (memory_error_func will have
- been called). */
-
-static int
-extract_insn_normal (od, insn, ex_info, insn_value, fields, pc)
- CGEN_OPCODE_DESC od;
- const CGEN_INSN *insn;
- CGEN_EXTRACT_INFO *ex_info;
- CGEN_INSN_INT insn_value;
- CGEN_FIELDS *fields;
- bfd_vma pc;
-{
- const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
- const unsigned char *syn;
-
- CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
-
- CGEN_INIT_EXTRACT (od);
-
- for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
- {
- int length;
-
- if (CGEN_SYNTAX_CHAR_P (*syn))
- continue;
-
- length = fr30_cgen_extract_operand (od, CGEN_SYNTAX_FIELD (*syn),
- ex_info, insn_value, fields, pc);
- if (length <= 0)
- return length;
- }
-
- /* We recognized and successfully extracted this insn. */
- return CGEN_INSN_BITSIZE (insn);
-}
-
-/* Default insn printer.
-
- DIS_INFO is defined as `PTR' so the disassembler needn't know anything
- about disassemble_info. */
-
-static void
-print_insn_normal (od, dis_info, insn, fields, pc, length)
- CGEN_OPCODE_DESC od;
- PTR dis_info;
- const CGEN_INSN *insn;
- CGEN_FIELDS *fields;
- bfd_vma pc;
- int length;
-{
- const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
- disassemble_info *info = (disassemble_info *) dis_info;
- const unsigned char *syn;
-
- CGEN_INIT_PRINT (od);
-
- for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
- {
- if (CGEN_SYNTAX_MNEMONIC_P (*syn))
- {
- (*info->fprintf_func) (info->stream, "%s", CGEN_INSN_MNEMONIC (insn));
- continue;
- }
- if (CGEN_SYNTAX_CHAR_P (*syn))
- {
- (*info->fprintf_func) (info->stream, "%c", CGEN_SYNTAX_CHAR (*syn));
- continue;
- }
-
- /* We have an operand. */
- fr30_cgen_print_operand (od, CGEN_SYNTAX_FIELD (*syn), info,
- fields, CGEN_INSN_ATTRS (insn), pc, length);
- }
-}
-
-/* Utility to print an insn.
- BUF is the base part of the insn, target byte order, BUFLEN bytes long.
- The result is the size of the insn in bytes or zero for an unknown insn
- or -1 if an error occurs fetching data (memory_error_func will have
- been called). */
-
-static int
-print_insn (od, pc, info, buf, buflen)
- CGEN_OPCODE_DESC od;
- bfd_vma pc;
- disassemble_info *info;
- char *buf;
- int buflen;
-{
- unsigned long insn_value;
- const CGEN_INSN_LIST *insn_list;
- CGEN_EXTRACT_INFO ex_info;
-
- ex_info.dis_info = info;
- ex_info.valid = (1 << CGEN_BASE_INSN_SIZE) - 1;
- ex_info.insn_bytes = buf;
-
- switch (buflen)
- {
- case 1:
- insn_value = buf[0];
- break;
- case 2:
- insn_value = info->endian == BFD_ENDIAN_BIG ? bfd_getb16 (buf) : bfd_getl16 (buf);
- break;
- case 4:
- insn_value = info->endian == BFD_ENDIAN_BIG ? bfd_getb32 (buf) : bfd_getl32 (buf);
- break;
- default:
- abort ();
- }
-
- /* The instructions are stored in hash lists.
- Pick the first one and keep trying until we find the right one. */
-
- insn_list = CGEN_DIS_LOOKUP_INSN (od, buf, insn_value);
- while (insn_list != NULL)
- {
- const CGEN_INSN *insn = insn_list->insn;
- CGEN_FIELDS fields;
- int length;
-
-#if 0 /* not needed as insn shouldn't be in hash lists if not supported */
- /* Supported by this cpu? */
- if (! fr30_cgen_insn_supported (od, insn))
- continue;
-#endif
-
- /* Basic bit mask must be correct. */
- /* ??? May wish to allow target to defer this check until the extract
- handler. */
- if ((insn_value & CGEN_INSN_BASE_MASK (insn))
- == CGEN_INSN_BASE_VALUE (insn))
- {
- /* Printing is handled in two passes. The first pass parses the
- machine insn and extracts the fields. The second pass prints
- them. */
-
- length = (*CGEN_EXTRACT_FN (insn)) (od, insn, &ex_info, insn_value,
- &fields, pc);
- /* length < 0 -> error */
- if (length < 0)
- return length;
- if (length > 0)
- {
- (*CGEN_PRINT_FN (insn)) (od, info, insn, &fields, pc, length);
- /* length is in bits, result is in bytes */
- return length / 8;
- }
- }
-
- insn_list = CGEN_DIS_NEXT_INSN (insn_list);
- }
-
- return 0;
-}
-
-/* Default value for CGEN_PRINT_INSN.
- The result is the size of the insn in bytes or zero for an unknown insn
- or -1 if an error occured fetching bytes. */
-
-#ifndef CGEN_PRINT_INSN
-#define CGEN_PRINT_INSN default_print_insn
-#endif
-
-static int
-default_print_insn (od, pc, info)
- CGEN_OPCODE_DESC od;
- bfd_vma pc;
- disassemble_info *info;
-{
- char buf[CGEN_MAX_INSN_SIZE];
- int status;
-
- /* Read the base part of the insn. */
-
- status = (*info->read_memory_func) (pc, buf, CGEN_BASE_INSN_SIZE, info);
- if (status != 0)
- {
- (*info->memory_error_func) (status, pc, info);
- return -1;
- }
-
- return print_insn (od, pc, info, buf, CGEN_BASE_INSN_SIZE);
-}
-
-/* Main entry point.
- Print one instruction from PC on INFO->STREAM.
- Return the size of the instruction (in bytes). */
-
-int
-print_insn_fr30 (pc, info)
- bfd_vma pc;
- disassemble_info *info;
-{
- int length;
- static CGEN_OPCODE_DESC od = 0;
- int mach = info->mach;
- int big_p = info->endian == BFD_ENDIAN_BIG;
-
- /* If we haven't initialized yet, initialize the opcode table. */
- if (! od)
- {
- od = fr30_cgen_opcode_open (mach,
- big_p ?
- CGEN_ENDIAN_BIG
- : CGEN_ENDIAN_LITTLE);
- fr30_cgen_init_dis (od);
- }
- /* If we've switched cpu's, re-initialize. */
- /* ??? Perhaps we should use BFD_ENDIAN. */
- else if (mach != CGEN_OPCODE_MACH (od)
- || (CGEN_OPCODE_ENDIAN (od)
- != (big_p ? CGEN_ENDIAN_BIG : CGEN_ENDIAN_LITTLE)))
- {
- cgen_set_cpu (od, mach, big_p ? CGEN_ENDIAN_BIG : CGEN_ENDIAN_LITTLE);
- }
-
- /* We try to have as much common code as possible.
- But at this point some targets need to take over. */
- /* ??? Some targets may need a hook elsewhere. Try to avoid this,
- but if not possible try to move this hook elsewhere rather than
- have two hooks. */
- length = CGEN_PRINT_INSN (od, pc, info);
- if (length > 0)
- return length;
- if (length < 0)
- return -1;
-
- (*info->fprintf_func) (info->stream, UNKNOWN_INSN_MSG);
- return CGEN_DEFAULT_INSN_SIZE;
-}
generated by cgit v1.1 at 2024-12-28 22:50:53 +0000