diff options
Diffstat (limited to 'opcodes/m32c-dis.c')
| -rw-r--r-- | opcodes/m32c-dis.c | 1286 |
1 files changed, 1286 insertions, 0 deletions
diff --git a/opcodes/m32c-dis.c b/opcodes/m32c-dis.c new file mode 100644 index 0000000..c81a893 --- /dev/null +++ b/opcodes/m32c-dis.c @@ -0,0 +1,1286 @@ +/* Disassembler interface for targets using CGEN. -*- C -*- + CGEN: Cpu tools GENerator + +THIS FILE IS MACHINE GENERATED WITH CGEN. +- the resultant file is machine generated, cgen-dis.in isn't + +Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2005 +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., +51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* ??? Eventually more and more of this stuff can go to cpu-independent files. + Keep that in mind. */ + +#include "sysdep.h" +#include <stdio.h> +#include "ansidecl.h" +#include "dis-asm.h" +#include "bfd.h" +#include "symcat.h" +#include "libiberty.h" +#include "m32c-desc.h" +#include "m32c-opc.h" +#include "opintl.h" + +/* Default text to print if an instruction isn't recognized. */ +#define UNKNOWN_INSN_MSG _("*unknown*") + +static void print_normal + (CGEN_CPU_DESC, void *, long, unsigned int, bfd_vma, int); +static void print_address + (CGEN_CPU_DESC, void *, bfd_vma, unsigned int, bfd_vma, int) ATTRIBUTE_UNUSED; +static void print_keyword + (CGEN_CPU_DESC, void *, CGEN_KEYWORD *, long, unsigned int) ATTRIBUTE_UNUSED; +static void print_insn_normal + (CGEN_CPU_DESC, void *, const CGEN_INSN *, CGEN_FIELDS *, bfd_vma, int); +static int print_insn + (CGEN_CPU_DESC, bfd_vma, disassemble_info *, bfd_byte *, unsigned); +static int default_print_insn + (CGEN_CPU_DESC, bfd_vma, disassemble_info *) ATTRIBUTE_UNUSED; +static int read_insn + (CGEN_CPU_DESC, bfd_vma, disassemble_info *, bfd_byte *, int, CGEN_EXTRACT_INFO *, + unsigned long *); + +/* -- disassembler routines inserted here */ + +/* -- dis.c */ + +#include "elf/m32c.h" +#include "elf-bfd.h" + +/* Always print the short insn format suffix as ':<char>' */ +static void +print_suffix (PTR dis_info, char suffix) +{ + disassemble_info *info = dis_info; + (*info->fprintf_func) (info->stream, ":%c", suffix); +} + +static void +print_S (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + print_suffix (dis_info, 's'); +} + + +static void +print_G (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + print_suffix (dis_info, 'g'); +} + +static void +print_Q (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + print_suffix (dis_info, 'q'); +} + +static void +print_Z (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + print_suffix (dis_info, 'z'); +} + +/* Print the empty suffix */ +static void +print_X (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info ATTRIBUTE_UNUSED, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + return; +} + +static void +print_r0l_r0h (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = dis_info; + if (value == 0) + (*info->fprintf_func) (info->stream, "r0h,r0l"); + else + (*info->fprintf_func) (info->stream, "r0l,r0h"); +} + +static void +print_unsigned_bitbase (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + unsigned long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = dis_info; + (*info->fprintf_func) (info->stream, "%ld,0x%lx", value & 0x7, value >> 3); +} + +static void +print_signed_bitbase (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + signed long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = dis_info; + (*info->fprintf_func) (info->stream, "%ld,%ld", value & 0x7, value >> 3); +} + +static void +print_size (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + /* Always print the size as '.w' */ + disassemble_info *info = dis_info; + (*info->fprintf_func) (info->stream, ".w"); +} + +#define POP 0 +#define PUSH 1 + +static void print_pop_regset (CGEN_CPU_DESC, PTR, long, unsigned int, bfd_vma, int); +static void print_push_regset (CGEN_CPU_DESC, PTR, long, unsigned int, bfd_vma, int); + +/* Print a set of registers, R0,R1,A0,A1,SB,FB. */ + +static void +print_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED, + int push) +{ + static char * m16c_register_names [] = + { + "r0", "r1", "r2", "r3", "a0", "a1", "sb", "fb" + }; + disassemble_info *info = dis_info; + int mask; + int index = 0; + char* comma = ""; + + if (push) + mask = 0x80; + else + mask = 1; + + if (value & mask) + { + (*info->fprintf_func) (info->stream, "%s", m16c_register_names [0]); + comma = ","; + } + + for (index = 1; index <= 7; ++index) + { + if (push) + mask >>= 1; + else + mask <<= 1; + + if (value & mask) + { + (*info->fprintf_func) (info->stream, "%s%s", comma, + m16c_register_names [index]); + comma = ","; + } + } +} + +static void +print_pop_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + print_regset (cd, dis_info, value, attrs, pc, length, POP); +} + +static void +print_push_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + print_regset (cd, dis_info, value, attrs, pc, length, PUSH); +} +#if 0 /* not used? */ +static void +print_boff (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + PTR dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = dis_info; + if (value) + info->fprintf_func (info->stream, "%d,%d", value % 16, + (value / 16) * 2); +} + +#endif /* not used? */ + +void m32c_cgen_print_operand + PARAMS ((CGEN_CPU_DESC, int, PTR, CGEN_FIELDS *, + void const *, bfd_vma, int)); + +/* Main entry point for printing operands. + XINFO is a `void *' and not a `disassemble_info *' to not put a requirement + of dis-asm.h on cgen.h. + + 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 +m32c_cgen_print_operand (cd, opindex, xinfo, fields, attrs, pc, length) + CGEN_CPU_DESC cd; + int opindex; + PTR xinfo; + CGEN_FIELDS *fields; + void const *attrs ATTRIBUTE_UNUSED; + bfd_vma pc; + int length; +{ + disassemble_info *info = (disassemble_info *) xinfo; + + switch (opindex) + { + case M32C_OPERAND_A0 : + print_keyword (cd, info, & m32c_cgen_opval_h_a0, 0, 0); + break; + case M32C_OPERAND_A1 : + print_keyword (cd, info, & m32c_cgen_opval_h_a1, 0, 0); + break; + case M32C_OPERAND_AN16_PUSH_S : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_HI, fields->f_4_1, 0); + break; + case M32C_OPERAND_BIT16AN : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_dst16_an, 0); + break; + case M32C_OPERAND_BIT16RN : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_HI, fields->f_dst16_rn, 0); + break; + case M32C_OPERAND_BIT32ANPREFIXED : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_dst32_an_prefixed, 0); + break; + case M32C_OPERAND_BIT32ANUNPREFIXED : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_dst32_an_unprefixed, 0); + break; + case M32C_OPERAND_BIT32RNPREFIXED : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_QI, fields->f_dst32_rn_prefixed_QI, 0); + break; + case M32C_OPERAND_BIT32RNUNPREFIXED : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_QI, fields->f_dst32_rn_unprefixed_QI, 0); + break; + case M32C_OPERAND_BITBASE16_16_S8 : + print_signed_bitbase (cd, info, fields->f_dsp_16_s8, 0, pc, length); + break; + case M32C_OPERAND_BITBASE16_16_U16 : + print_unsigned_bitbase (cd, info, fields->f_dsp_16_u16, 0, pc, length); + break; + case M32C_OPERAND_BITBASE16_16_U8 : + print_unsigned_bitbase (cd, info, fields->f_dsp_16_u8, 0, pc, length); + break; + case M32C_OPERAND_BITBASE16_8_U11_S : + print_unsigned_bitbase (cd, info, fields->f_bitbase16_u11_S, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITBASE32_16_S11_UNPREFIXED : + print_signed_bitbase (cd, info, fields->f_bitbase32_16_s11_unprefixed, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITBASE32_16_S19_UNPREFIXED : + print_signed_bitbase (cd, info, fields->f_bitbase32_16_s19_unprefixed, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITBASE32_16_U11_UNPREFIXED : + print_unsigned_bitbase (cd, info, fields->f_bitbase32_16_u11_unprefixed, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITBASE32_16_U19_UNPREFIXED : + print_unsigned_bitbase (cd, info, fields->f_bitbase32_16_u19_unprefixed, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITBASE32_16_U27_UNPREFIXED : + print_unsigned_bitbase (cd, info, fields->f_bitbase32_16_u27_unprefixed, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITBASE32_24_S11_PREFIXED : + print_signed_bitbase (cd, info, fields->f_bitbase32_24_s11_prefixed, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITBASE32_24_S19_PREFIXED : + print_signed_bitbase (cd, info, fields->f_bitbase32_24_s19_prefixed, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITBASE32_24_U11_PREFIXED : + print_unsigned_bitbase (cd, info, fields->f_bitbase32_24_u11_prefixed, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITBASE32_24_U19_PREFIXED : + print_unsigned_bitbase (cd, info, fields->f_bitbase32_24_u19_prefixed, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITBASE32_24_U27_PREFIXED : + print_unsigned_bitbase (cd, info, fields->f_bitbase32_24_u27_prefixed, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_BITNO16R : + print_normal (cd, info, fields->f_dsp_16_u8, 0, pc, length); + break; + case M32C_OPERAND_BITNO32PREFIXED : + print_normal (cd, info, fields->f_bitno32_prefixed, 0, pc, length); + break; + case M32C_OPERAND_BITNO32UNPREFIXED : + print_normal (cd, info, fields->f_bitno32_unprefixed, 0, pc, length); + break; + case M32C_OPERAND_DSP_10_U6 : + print_normal (cd, info, fields->f_dsp_10_u6, 0, pc, length); + break; + case M32C_OPERAND_DSP_16_S16 : + print_normal (cd, info, fields->f_dsp_16_s16, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_DSP_16_S8 : + print_normal (cd, info, fields->f_dsp_16_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_DSP_16_U16 : + print_normal (cd, info, fields->f_dsp_16_u16, 0, pc, length); + break; + case M32C_OPERAND_DSP_16_U20 : + print_normal (cd, info, fields->f_dsp_16_u24, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_DSP_16_U24 : + print_normal (cd, info, fields->f_dsp_16_u24, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_DSP_16_U8 : + print_normal (cd, info, fields->f_dsp_16_u8, 0, pc, length); + break; + case M32C_OPERAND_DSP_24_S16 : + print_normal (cd, info, fields->f_dsp_24_s16, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_DSP_24_S8 : + print_normal (cd, info, fields->f_dsp_24_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_DSP_24_U16 : + print_normal (cd, info, fields->f_dsp_24_u16, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_DSP_24_U20 : + print_normal (cd, info, fields->f_dsp_24_u24, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_DSP_24_U24 : + print_normal (cd, info, fields->f_dsp_24_u24, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_DSP_24_U8 : + print_normal (cd, info, fields->f_dsp_24_u8, 0, pc, length); + break; + case M32C_OPERAND_DSP_32_S16 : + print_normal (cd, info, fields->f_dsp_32_s16, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_DSP_32_S8 : + print_normal (cd, info, fields->f_dsp_32_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_DSP_32_U16 : + print_normal (cd, info, fields->f_dsp_32_u16, 0, pc, length); + break; + case M32C_OPERAND_DSP_32_U20 : + print_normal (cd, info, fields->f_dsp_32_u24, 0, pc, length); + break; + case M32C_OPERAND_DSP_32_U24 : + print_normal (cd, info, fields->f_dsp_32_u24, 0, pc, length); + break; + case M32C_OPERAND_DSP_32_U8 : + print_normal (cd, info, fields->f_dsp_32_u8, 0, pc, length); + break; + case M32C_OPERAND_DSP_40_S16 : + print_normal (cd, info, fields->f_dsp_40_s16, 0, pc, length); + break; + case M32C_OPERAND_DSP_40_S8 : + print_normal (cd, info, fields->f_dsp_40_s8, 0, pc, length); + break; + case M32C_OPERAND_DSP_40_U16 : + print_normal (cd, info, fields->f_dsp_40_u16, 0, pc, length); + break; + case M32C_OPERAND_DSP_40_U24 : + print_normal (cd, info, fields->f_dsp_40_u24, 0, pc, length); + break; + case M32C_OPERAND_DSP_40_U8 : + print_normal (cd, info, fields->f_dsp_40_u8, 0, pc, length); + break; + case M32C_OPERAND_DSP_48_S16 : + print_normal (cd, info, fields->f_dsp_48_s16, 0, pc, length); + break; + case M32C_OPERAND_DSP_48_S8 : + print_normal (cd, info, fields->f_dsp_48_s8, 0, pc, length); + break; + case M32C_OPERAND_DSP_48_U16 : + print_normal (cd, info, fields->f_dsp_48_u16, 0, pc, length); + break; + case M32C_OPERAND_DSP_48_U24 : + print_normal (cd, info, fields->f_dsp_48_u24, 0|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_DSP_48_U8 : + print_normal (cd, info, fields->f_dsp_48_u8, 0, pc, length); + break; + case M32C_OPERAND_DSP_8_S8 : + print_normal (cd, info, fields->f_dsp_8_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_DSP_8_U16 : + print_normal (cd, info, fields->f_dsp_8_u16, 0, pc, length); + break; + case M32C_OPERAND_DSP_8_U6 : + print_normal (cd, info, fields->f_dsp_8_u6, 0, pc, length); + break; + case M32C_OPERAND_DSP_8_U8 : + print_normal (cd, info, fields->f_dsp_8_u8, 0, pc, length); + break; + case M32C_OPERAND_DST16AN : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_dst16_an, 0); + break; + case M32C_OPERAND_DST16AN_S : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_HI, fields->f_dst16_an_s, 0); + break; + case M32C_OPERAND_DST16ANHI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_HI, fields->f_dst16_an, 0); + break; + case M32C_OPERAND_DST16ANQI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_QI, fields->f_dst16_an, 0); + break; + case M32C_OPERAND_DST16ANQI_S : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_QI, fields->f_dst16_rn_QI_s, 0); + break; + case M32C_OPERAND_DST16ANSI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_SI, fields->f_dst16_an, 0); + break; + case M32C_OPERAND_DST16RNEXTQI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_ext_QI, fields->f_dst16_rn_ext, 0); + break; + case M32C_OPERAND_DST16RNHI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_HI, fields->f_dst16_rn, 0); + break; + case M32C_OPERAND_DST16RNQI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_QI, fields->f_dst16_rn, 0); + break; + case M32C_OPERAND_DST16RNQI_S : + print_keyword (cd, info, & m32c_cgen_opval_h_r0l_r0h, fields->f_dst16_rn_QI_s, 0); + break; + case M32C_OPERAND_DST16RNSI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_SI, fields->f_dst16_rn, 0); + break; + case M32C_OPERAND_DST32ANEXTUNPREFIXED : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_dst32_an_unprefixed, 0); + break; + case M32C_OPERAND_DST32ANPREFIXED : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_dst32_an_prefixed, 0); + break; + case M32C_OPERAND_DST32ANPREFIXEDHI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_HI, fields->f_dst32_an_prefixed, 0); + break; + case M32C_OPERAND_DST32ANPREFIXEDQI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_QI, fields->f_dst32_an_prefixed, 0); + break; + case M32C_OPERAND_DST32ANPREFIXEDSI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_dst32_an_prefixed, 0); + break; + case M32C_OPERAND_DST32ANUNPREFIXED : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_dst32_an_unprefixed, 0); + break; + case M32C_OPERAND_DST32ANUNPREFIXEDHI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_HI, fields->f_dst32_an_unprefixed, 0); + break; + case M32C_OPERAND_DST32ANUNPREFIXEDQI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_QI, fields->f_dst32_an_unprefixed, 0); + break; + case M32C_OPERAND_DST32ANUNPREFIXEDSI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_dst32_an_unprefixed, 0); + break; + case M32C_OPERAND_DST32R0HI_S : + print_keyword (cd, info, & m32c_cgen_opval_h_r0, 0, 0); + break; + case M32C_OPERAND_DST32R0QI_S : + print_keyword (cd, info, & m32c_cgen_opval_h_r0l, 0, 0); + break; + case M32C_OPERAND_DST32RNEXTUNPREFIXEDHI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_ext_HI, fields->f_dst32_rn_ext_unprefixed, 0); + break; + case M32C_OPERAND_DST32RNEXTUNPREFIXEDQI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_ext_QI, fields->f_dst32_rn_ext_unprefixed, 0); + break; + case M32C_OPERAND_DST32RNPREFIXEDHI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_HI, fields->f_dst32_rn_prefixed_HI, 0); + break; + case M32C_OPERAND_DST32RNPREFIXEDQI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_QI, fields->f_dst32_rn_prefixed_QI, 0); + break; + case M32C_OPERAND_DST32RNPREFIXEDSI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_SI, fields->f_dst32_rn_prefixed_SI, 0); + break; + case M32C_OPERAND_DST32RNUNPREFIXEDHI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_HI, fields->f_dst32_rn_unprefixed_HI, 0); + break; + case M32C_OPERAND_DST32RNUNPREFIXEDQI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_QI, fields->f_dst32_rn_unprefixed_QI, 0); + break; + case M32C_OPERAND_DST32RNUNPREFIXEDSI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_SI, fields->f_dst32_rn_unprefixed_SI, 0); + break; + case M32C_OPERAND_G : + print_G (cd, info, 0, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_12_S4 : + print_normal (cd, info, fields->f_imm_12_s4, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_13_U3 : + print_normal (cd, info, fields->f_imm_13_u3, 0, pc, length); + break; + case M32C_OPERAND_IMM_16_HI : + print_normal (cd, info, fields->f_dsp_16_s16, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_16_QI : + print_normal (cd, info, fields->f_dsp_16_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_16_SI : + print_normal (cd, info, fields->f_dsp_16_s32, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_IMM_20_S4 : + print_normal (cd, info, fields->f_imm_20_s4, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_24_HI : + print_normal (cd, info, fields->f_dsp_24_s16, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_IMM_24_QI : + print_normal (cd, info, fields->f_dsp_24_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_24_SI : + print_normal (cd, info, fields->f_dsp_24_s32, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_IMM_32_HI : + print_normal (cd, info, fields->f_dsp_32_s16, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_32_QI : + print_normal (cd, info, fields->f_dsp_32_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_32_SI : + print_normal (cd, info, fields->f_dsp_32_s32, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_40_HI : + print_normal (cd, info, fields->f_dsp_40_s16, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_40_QI : + print_normal (cd, info, fields->f_dsp_40_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_40_SI : + print_normal (cd, info, fields->f_dsp_40_s32, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_IMM_48_HI : + print_normal (cd, info, fields->f_dsp_48_s16, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_48_QI : + print_normal (cd, info, fields->f_dsp_48_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_48_SI : + print_normal (cd, info, fields->f_dsp_48_s32, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_IMM_56_HI : + print_normal (cd, info, fields->f_dsp_56_s16, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_IMM_56_QI : + print_normal (cd, info, fields->f_dsp_56_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_64_HI : + print_normal (cd, info, fields->f_dsp_64_s16, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_8_HI : + print_normal (cd, info, fields->f_dsp_8_s16, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_8_QI : + print_normal (cd, info, fields->f_dsp_8_s8, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_8_S4 : + print_normal (cd, info, fields->f_imm_8_s4, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM_SH_12_S4 : + print_keyword (cd, info, & m32c_cgen_opval_h_shimm, fields->f_imm_12_s4, 0); + break; + case M32C_OPERAND_IMM_SH_20_S4 : + print_keyword (cd, info, & m32c_cgen_opval_h_shimm, fields->f_imm_20_s4, 0); + break; + case M32C_OPERAND_IMM_SH_8_S4 : + print_keyword (cd, info, & m32c_cgen_opval_h_shimm, fields->f_imm_8_s4, 0); + break; + case M32C_OPERAND_IMM1_S : + print_normal (cd, info, fields->f_imm1_S, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_IMM3_S : + print_normal (cd, info, fields->f_imm3_S, 0|(1<<CGEN_OPERAND_SIGNED)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_LAB_16_8 : + print_address (cd, info, fields->f_lab_16_8, 0|(1<<CGEN_OPERAND_PCREL_ADDR), pc, length); + break; + case M32C_OPERAND_LAB_24_8 : + print_address (cd, info, fields->f_lab_24_8, 0|(1<<CGEN_OPERAND_PCREL_ADDR), pc, length); + break; + case M32C_OPERAND_LAB_32_8 : + print_address (cd, info, fields->f_lab_32_8, 0|(1<<CGEN_OPERAND_PCREL_ADDR), pc, length); + break; + case M32C_OPERAND_LAB_40_8 : + print_address (cd, info, fields->f_lab_40_8, 0|(1<<CGEN_OPERAND_PCREL_ADDR), pc, length); + break; + case M32C_OPERAND_LAB_5_3 : + print_address (cd, info, fields->f_lab_5_3, 0|(1<<CGEN_OPERAND_PCREL_ADDR), pc, length); + break; + case M32C_OPERAND_LAB_8_16 : + print_address (cd, info, fields->f_lab_8_16, 0|(1<<CGEN_OPERAND_SIGN_OPT)|(1<<CGEN_OPERAND_PCREL_ADDR), pc, length); + break; + case M32C_OPERAND_LAB_8_24 : + print_address (cd, info, fields->f_lab_8_24, 0|(1<<CGEN_OPERAND_ABS_ADDR), pc, length); + break; + case M32C_OPERAND_LAB_8_8 : + print_address (cd, info, fields->f_lab_8_8, 0|(1<<CGEN_OPERAND_PCREL_ADDR), pc, length); + break; + case M32C_OPERAND_LAB32_JMP_S : + print_address (cd, info, fields->f_lab32_jmp_s, 0|(1<<CGEN_OPERAND_PCREL_ADDR)|(1<<CGEN_OPERAND_VIRTUAL), pc, length); + break; + case M32C_OPERAND_Q : + print_Q (cd, info, 0, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_R0 : + print_keyword (cd, info, & m32c_cgen_opval_h_r0, 0, 0); + break; + case M32C_OPERAND_R0H : + print_keyword (cd, info, & m32c_cgen_opval_h_r0h, 0, 0); + break; + case M32C_OPERAND_R0L : + print_keyword (cd, info, & m32c_cgen_opval_h_r0l, 0, 0); + break; + case M32C_OPERAND_R1 : + print_keyword (cd, info, & m32c_cgen_opval_h_r1, 0, 0); + break; + case M32C_OPERAND_R1R2R0 : + print_keyword (cd, info, & m32c_cgen_opval_h_r1r2r0, 0, 0); + break; + case M32C_OPERAND_R2 : + print_keyword (cd, info, & m32c_cgen_opval_h_r2, 0, 0); + break; + case M32C_OPERAND_R2R0 : + print_keyword (cd, info, & m32c_cgen_opval_h_r2r0, 0, 0); + break; + case M32C_OPERAND_R3 : + print_keyword (cd, info, & m32c_cgen_opval_h_r3, 0, 0); + break; + case M32C_OPERAND_R3R1 : + print_keyword (cd, info, & m32c_cgen_opval_h_r3r1, 0, 0); + break; + case M32C_OPERAND_REGSETPOP : + print_pop_regset (cd, info, fields->f_8_8, 0, pc, length); + break; + case M32C_OPERAND_REGSETPUSH : + print_push_regset (cd, info, fields->f_8_8, 0, pc, length); + break; + case M32C_OPERAND_RN16_PUSH_S : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_QI, fields->f_4_1, 0); + break; + case M32C_OPERAND_S : + print_S (cd, info, 0, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_SRC16AN : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_src16_an, 0); + break; + case M32C_OPERAND_SRC16ANHI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_HI, fields->f_src16_an, 0); + break; + case M32C_OPERAND_SRC16ANQI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_QI, fields->f_src16_an, 0); + break; + case M32C_OPERAND_SRC16RNHI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_HI, fields->f_src16_rn, 0); + break; + case M32C_OPERAND_SRC16RNQI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_QI, fields->f_src16_rn, 0); + break; + case M32C_OPERAND_SRC32ANPREFIXED : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_src32_an_prefixed, 0); + break; + case M32C_OPERAND_SRC32ANPREFIXEDHI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_HI, fields->f_src32_an_prefixed, 0); + break; + case M32C_OPERAND_SRC32ANPREFIXEDQI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_QI, fields->f_src32_an_prefixed, 0); + break; + case M32C_OPERAND_SRC32ANPREFIXEDSI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_src32_an_prefixed, 0); + break; + case M32C_OPERAND_SRC32ANUNPREFIXED : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_src32_an_unprefixed, 0); + break; + case M32C_OPERAND_SRC32ANUNPREFIXEDHI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_HI, fields->f_src32_an_unprefixed, 0); + break; + case M32C_OPERAND_SRC32ANUNPREFIXEDQI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar_QI, fields->f_src32_an_unprefixed, 0); + break; + case M32C_OPERAND_SRC32ANUNPREFIXEDSI : + print_keyword (cd, info, & m32c_cgen_opval_h_ar, fields->f_src32_an_unprefixed, 0); + break; + case M32C_OPERAND_SRC32RNPREFIXEDHI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_HI, fields->f_src32_rn_prefixed_HI, 0); + break; + case M32C_OPERAND_SRC32RNPREFIXEDQI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_QI, fields->f_src32_rn_prefixed_QI, 0); + break; + case M32C_OPERAND_SRC32RNPREFIXEDSI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_SI, fields->f_src32_rn_prefixed_SI, 0); + break; + case M32C_OPERAND_SRC32RNUNPREFIXEDHI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_HI, fields->f_src32_rn_unprefixed_HI, 0); + break; + case M32C_OPERAND_SRC32RNUNPREFIXEDQI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_QI, fields->f_src32_rn_unprefixed_QI, 0); + break; + case M32C_OPERAND_SRC32RNUNPREFIXEDSI : + print_keyword (cd, info, & m32c_cgen_opval_h_gr_SI, fields->f_src32_rn_unprefixed_SI, 0); + break; + case M32C_OPERAND_SRCDST16_R0L_R0H_S_NORMAL : + print_r0l_r0h (cd, info, fields->f_5_1, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_X : + print_X (cd, info, 0, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_Z : + print_Z (cd, info, 0, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + case M32C_OPERAND_COND16_16 : + print_keyword (cd, info, & m32c_cgen_opval_h_cond16, fields->f_dsp_16_u8, 0); + break; + case M32C_OPERAND_COND16_24 : + print_keyword (cd, info, & m32c_cgen_opval_h_cond16, fields->f_dsp_24_u8, 0); + break; + case M32C_OPERAND_COND16_32 : + print_keyword (cd, info, & m32c_cgen_opval_h_cond16, fields->f_dsp_32_u8, 0); + break; + case M32C_OPERAND_COND16C : + print_keyword (cd, info, & m32c_cgen_opval_h_cond16c, fields->f_cond16, 0); + break; + case M32C_OPERAND_COND16J : + print_keyword (cd, info, & m32c_cgen_opval_h_cond16j, fields->f_cond16, 0); + break; + case M32C_OPERAND_COND16J5 : + print_keyword (cd, info, & m32c_cgen_opval_h_cond16j_5, fields->f_cond16j_5, 0); + break; + case M32C_OPERAND_COND32 : + print_keyword (cd, info, & m32c_cgen_opval_h_cond32, fields->f_cond32, 0|(1<<CGEN_OPERAND_VIRTUAL)); + break; + case M32C_OPERAND_COND32_16 : + print_keyword (cd, info, & m32c_cgen_opval_h_cond32, fields->f_dsp_16_u8, 0); + break; + case M32C_OPERAND_COND32_24 : + print_keyword (cd, info, & m32c_cgen_opval_h_cond32, fields->f_dsp_24_u8, 0); + break; + case M32C_OPERAND_COND32_32 : + print_keyword (cd, info, & m32c_cgen_opval_h_cond32, fields->f_dsp_32_u8, 0); + break; + case M32C_OPERAND_COND32_40 : + print_keyword (cd, info, & m32c_cgen_opval_h_cond32, fields->f_dsp_40_u8, 0); + break; + case M32C_OPERAND_COND32J : + print_keyword (cd, info, & m32c_cgen_opval_h_cond32, fields->f_cond32j, 0|(1<<CGEN_OPERAND_VIRTUAL)); + break; + case M32C_OPERAND_CR1_PREFIXED_32 : + print_keyword (cd, info, & m32c_cgen_opval_h_cr1_32, fields->f_21_3, 0); + break; + case M32C_OPERAND_CR1_UNPREFIXED_32 : + print_keyword (cd, info, & m32c_cgen_opval_h_cr1_32, fields->f_13_3, 0); + break; + case M32C_OPERAND_CR16 : + print_keyword (cd, info, & m32c_cgen_opval_h_cr_16, fields->f_9_3, 0); + break; + case M32C_OPERAND_CR2_32 : + print_keyword (cd, info, & m32c_cgen_opval_h_cr2_32, fields->f_13_3, 0); + break; + case M32C_OPERAND_CR3_PREFIXED_32 : + print_keyword (cd, info, & m32c_cgen_opval_h_cr3_32, fields->f_21_3, 0); + break; + case M32C_OPERAND_CR3_UNPREFIXED_32 : + print_keyword (cd, info, & m32c_cgen_opval_h_cr3_32, fields->f_13_3, 0); + break; + case M32C_OPERAND_FLAGS16 : + print_keyword (cd, info, & m32c_cgen_opval_h_flags, fields->f_9_3, 0); + break; + case M32C_OPERAND_FLAGS32 : + print_keyword (cd, info, & m32c_cgen_opval_h_flags, fields->f_13_3, 0); + break; + case M32C_OPERAND_SCCOND32 : + print_keyword (cd, info, & m32c_cgen_opval_h_cond32, fields->f_cond16, 0); + break; + case M32C_OPERAND_SIZE : + print_size (cd, info, 0, 0|(1<<CGEN_OPERAND_SIGNED), pc, length); + break; + + default : + /* xgettext:c-format */ + fprintf (stderr, _("Unrecognized field %d while printing insn.\n"), + opindex); + abort (); + } +} + +cgen_print_fn * const m32c_cgen_print_handlers[] = +{ + print_insn_normal, +}; + + +void +m32c_cgen_init_dis (cd) + CGEN_CPU_DESC cd; +{ + m32c_cgen_init_opcode_table (cd); + m32c_cgen_init_ibld_table (cd); + cd->print_handlers = & m32c_cgen_print_handlers[0]; + cd->print_operand = m32c_cgen_print_operand; +} + + +/* Default print handler. */ + +static void +print_normal (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void *dis_info, + long value, + unsigned int attrs, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = (disassemble_info *) dis_info; + +#ifdef CGEN_PRINT_NORMAL + CGEN_PRINT_NORMAL (cd, 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_SIGNED)) + (*info->fprintf_func) (info->stream, "%ld", value); + else + (*info->fprintf_func) (info->stream, "0x%lx", value); +} + +/* Default address handler. */ + +static void +print_address (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void *dis_info, + bfd_vma value, + unsigned int attrs, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = (disassemble_info *) dis_info; + +#ifdef CGEN_PRINT_ADDRESS + CGEN_PRINT_ADDRESS (cd, 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_SIGNED)) + (*info->fprintf_func) (info->stream, "%ld", (long) value); + else + (*info->fprintf_func) (info->stream, "0x%lx", (long) value); +} + +/* Keyword print handler. */ + +static void +print_keyword (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void *dis_info, + CGEN_KEYWORD *keyword_table, + long value, + unsigned int attrs ATTRIBUTE_UNUSED) +{ + 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 printer. + + DIS_INFO is defined as `void *' so the disassembler needn't know anything + about disassemble_info. */ + +static void +print_insn_normal (CGEN_CPU_DESC cd, + void *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 CGEN_SYNTAX_CHAR_TYPE *syn; + + CGEN_INIT_PRINT (cd); + + 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. */ + m32c_cgen_print_operand (cd, CGEN_SYNTAX_FIELD (*syn), info, + fields, CGEN_INSN_ATTRS (insn), pc, length); + } +} + +/* Subroutine of print_insn. Reads an insn into the given buffers and updates + the extract info. + Returns 0 if all is well, non-zero otherwise. */ + +static int +read_insn (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + bfd_vma pc, + disassemble_info *info, + bfd_byte *buf, + int buflen, + CGEN_EXTRACT_INFO *ex_info, + unsigned long *insn_value) +{ + int status = (*info->read_memory_func) (pc, buf, buflen, info); + if (status != 0) + { + (*info->memory_error_func) (status, pc, info); + return -1; + } + + ex_info->dis_info = info; + ex_info->valid = (1 << buflen) - 1; + ex_info->insn_bytes = buf; + + *insn_value = bfd_get_bits (buf, buflen * 8, info->endian == BFD_ENDIAN_BIG); + return 0; +} + +/* 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 (CGEN_CPU_DESC cd, + bfd_vma pc, + disassemble_info *info, + bfd_byte *buf, + unsigned int buflen) +{ + CGEN_INSN_INT insn_value; + const CGEN_INSN_LIST *insn_list; + CGEN_EXTRACT_INFO ex_info; + int basesize; + + /* Extract base part of instruction, just in case CGEN_DIS_* uses it. */ + basesize = cd->base_insn_bitsize < buflen * 8 ? + cd->base_insn_bitsize : buflen * 8; + insn_value = cgen_get_insn_value (cd, buf, basesize); + + + /* Fill in ex_info fields like read_insn would. Don't actually call + read_insn, since the incoming buffer is already read (and possibly + modified a la m32r). */ + ex_info.valid = (1 << buflen) - 1; + ex_info.dis_info = info; + ex_info.insn_bytes = buf; + + /* 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 (cd, (char *) buf, insn_value); + while (insn_list != NULL) + { + const CGEN_INSN *insn = insn_list->insn; + CGEN_FIELDS fields; + int length; + unsigned long insn_value_cropped; + +#ifdef CGEN_VALIDATE_INSN_SUPPORTED + /* Not needed as insn shouldn't be in hash lists if not supported. */ + /* Supported by this cpu? */ + if (! m32c_cgen_insn_supported (cd, insn)) + { + insn_list = CGEN_DIS_NEXT_INSN (insn_list); + continue; + } +#endif + + /* Basic bit mask must be correct. */ + /* ??? May wish to allow target to defer this check until the extract + handler. */ + + /* Base size may exceed this instruction's size. Extract the + relevant part from the buffer. */ + if ((unsigned) (CGEN_INSN_BITSIZE (insn) / 8) < buflen && + (unsigned) (CGEN_INSN_BITSIZE (insn) / 8) <= sizeof (unsigned long)) + insn_value_cropped = bfd_get_bits (buf, CGEN_INSN_BITSIZE (insn), + info->endian == BFD_ENDIAN_BIG); + else + insn_value_cropped = insn_value; + + if ((insn_value_cropped & 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. */ + + /* Make sure the entire insn is loaded into insn_value, if it + can fit. */ + if (((unsigned) CGEN_INSN_BITSIZE (insn) > cd->base_insn_bitsize) && + (unsigned) (CGEN_INSN_BITSIZE (insn) / 8) <= sizeof (unsigned long)) + { + unsigned long full_insn_value; + int rc = read_insn (cd, pc, info, buf, + CGEN_INSN_BITSIZE (insn) / 8, + & ex_info, & full_insn_value); + if (rc != 0) + return rc; + length = CGEN_EXTRACT_FN (cd, insn) + (cd, insn, &ex_info, full_insn_value, &fields, pc); + } + else + length = CGEN_EXTRACT_FN (cd, insn) + (cd, insn, &ex_info, insn_value_cropped, &fields, pc); + + /* length < 0 -> error */ + if (length < 0) + return length; + if (length > 0) + { + CGEN_PRINT_FN (cd, insn) (cd, 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 (CGEN_CPU_DESC cd, bfd_vma pc, disassemble_info *info) +{ + bfd_byte buf[CGEN_MAX_INSN_SIZE]; + int buflen; + int status; + + /* Attempt to read the base part of the insn. */ + buflen = cd->base_insn_bitsize / 8; + status = (*info->read_memory_func) (pc, buf, buflen, info); + + /* Try again with the minimum part, if min < base. */ + if (status != 0 && (cd->min_insn_bitsize < cd->base_insn_bitsize)) + { + buflen = cd->min_insn_bitsize / 8; + status = (*info->read_memory_func) (pc, buf, buflen, info); + } + + if (status != 0) + { + (*info->memory_error_func) (status, pc, info); + return -1; + } + + return print_insn (cd, pc, info, buf, buflen); +} + +/* Main entry point. + Print one instruction from PC on INFO->STREAM. + Return the size of the instruction (in bytes). */ + +typedef struct cpu_desc_list { + struct cpu_desc_list *next; + int isa; + int mach; + int endian; + CGEN_CPU_DESC cd; +} cpu_desc_list; + +int +print_insn_m32c (bfd_vma pc, disassemble_info *info) +{ + static cpu_desc_list *cd_list = 0; + cpu_desc_list *cl = 0; + static CGEN_CPU_DESC cd = 0; + static int prev_isa; + static int prev_mach; + static int prev_endian; + int length; + int isa,mach; + int endian = (info->endian == BFD_ENDIAN_BIG + ? CGEN_ENDIAN_BIG + : CGEN_ENDIAN_LITTLE); + enum bfd_architecture arch; + + /* ??? gdb will set mach but leave the architecture as "unknown" */ +#ifndef CGEN_BFD_ARCH +#define CGEN_BFD_ARCH bfd_arch_m32c +#endif + arch = info->arch; + if (arch == bfd_arch_unknown) + arch = CGEN_BFD_ARCH; + + /* There's no standard way to compute the machine or isa number + so we leave it to the target. */ +#ifdef CGEN_COMPUTE_MACH + mach = CGEN_COMPUTE_MACH (info); +#else + mach = info->mach; +#endif + +#ifdef CGEN_COMPUTE_ISA + isa = CGEN_COMPUTE_ISA (info); +#else + isa = info->insn_sets; +#endif + + /* If we've switched cpu's, try to find a handle we've used before */ + if (cd + && (isa != prev_isa + || mach != prev_mach + || endian != prev_endian)) + { + cd = 0; + for (cl = cd_list; cl; cl = cl->next) + { + if (cl->isa == isa && + cl->mach == mach && + cl->endian == endian) + { + cd = cl->cd; + break; + } + } + } + + /* If we haven't initialized yet, initialize the opcode table. */ + if (! cd) + { + const bfd_arch_info_type *arch_type = bfd_lookup_arch (arch, mach); + const char *mach_name; + + if (!arch_type) + abort (); + mach_name = arch_type->printable_name; + + prev_isa = isa; + prev_mach = mach; + prev_endian = endian; + cd = m32c_cgen_cpu_open (CGEN_CPU_OPEN_ISAS, prev_isa, + CGEN_CPU_OPEN_BFDMACH, mach_name, + CGEN_CPU_OPEN_ENDIAN, prev_endian, + CGEN_CPU_OPEN_END); + if (!cd) + abort (); + + /* save this away for future reference */ + cl = xmalloc (sizeof (struct cpu_desc_list)); + cl->cd = cd; + cl->isa = isa; + cl->mach = mach; + cl->endian = endian; + cl->next = cd_list; + cd_list = cl; + + m32c_cgen_init_dis (cd); + } + + /* 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 (cd, pc, info); + if (length > 0) + return length; + if (length < 0) + return -1; + + (*info->fprintf_func) (info->stream, UNKNOWN_INSN_MSG); + return cd->default_insn_bitsize / 8; +} |