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- /* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */
- /* Assembler interface for targets using CGEN. -*- C -*-
- CGEN: Cpu tools GENerator
- THIS FILE IS MACHINE GENERATED WITH CGEN.
- - the resultant file is machine generated, cgen-asm.in isn't
- Copyright (C) 1996-2022 Free Software Foundation, Inc.
- This file is part of libopcodes.
- This library 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 3, or (at your option)
- any later version.
- It 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 "bfd.h"
- #include "symcat.h"
- #include "frv-desc.h"
- #include "frv-opc.h"
- #include "opintl.h"
- #include "xregex.h"
- #include "libiberty.h"
- #include "safe-ctype.h"
- #undef min
- #define min(a,b) ((a) < (b) ? (a) : (b))
- #undef max
- #define max(a,b) ((a) > (b) ? (a) : (b))
- static const char * parse_insn_normal
- (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *);
- /* -- assembler routines inserted here. */
- /* -- asm.c */
- inline static const char *
- parse_symbolic_address (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- int opinfo,
- enum cgen_parse_operand_result *resultp,
- bfd_vma *valuep)
- {
- enum cgen_parse_operand_result result_type;
- const char *errmsg = (* cd->parse_operand_fn)
- (cd, CGEN_PARSE_OPERAND_SYMBOLIC, strp, opindex, opinfo,
- &result_type, valuep);
- if (errmsg == NULL
- && result_type != CGEN_PARSE_OPERAND_RESULT_QUEUED)
- return "symbolic expression required";
- if (resultp)
- *resultp = result_type;
- return errmsg;
- }
- static const char *
- parse_ldd_annotation (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- unsigned long *valuep)
- {
- const char *errmsg;
- enum cgen_parse_operand_result result_type;
- bfd_vma value;
- if (**strp == '#' || **strp == '%')
- {
- if (strncasecmp (*strp + 1, "tlsdesc(", 8) == 0)
- {
- *strp += 9;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_TLSDESC_RELAX,
- &result_type, &value);
- if (**strp != ')')
- return "missing ')'";
- if (valuep)
- *valuep = value;
- ++*strp;
- if (errmsg)
- return errmsg;
- }
- }
- while (**strp == ' ' || **strp == '\t')
- ++*strp;
- if (**strp != '@')
- return "missing `@'";
- ++*strp;
- return NULL;
- }
- static const char *
- parse_call_annotation (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- unsigned long *valuep)
- {
- const char *errmsg;
- enum cgen_parse_operand_result result_type;
- bfd_vma value;
- if (**strp == '#' || **strp == '%')
- {
- if (strncasecmp (*strp + 1, "gettlsoff(", 10) == 0)
- {
- *strp += 11;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GETTLSOFF_RELAX,
- &result_type, &value);
- if (**strp != ')')
- return "missing ')'";
- if (valuep)
- *valuep = value;
- ++*strp;
- if (errmsg)
- return errmsg;
- }
- }
- while (**strp == ' ' || **strp == '\t')
- ++*strp;
- if (**strp != '@')
- return "missing `@'";
- ++*strp;
- return NULL;
- }
- static const char *
- parse_ld_annotation (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- unsigned long *valuep)
- {
- const char *errmsg;
- enum cgen_parse_operand_result result_type;
- bfd_vma value;
- if (**strp == '#' || **strp == '%')
- {
- if (strncasecmp (*strp + 1, "tlsoff(", 7) == 0)
- {
- *strp += 8;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_TLSOFF_RELAX,
- &result_type, &value);
- if (**strp != ')')
- return "missing ')'";
- if (valuep)
- *valuep = value;
- ++*strp;
- if (errmsg)
- return errmsg;
- }
- }
- while (**strp == ' ' || **strp == '\t')
- ++*strp;
- if (**strp != '@')
- return "missing `@'";
- ++*strp;
- return NULL;
- }
- static const char *
- parse_ulo16 (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- unsigned long *valuep)
- {
- const char *errmsg;
- enum cgen_parse_operand_result result_type;
- bfd_vma value;
- if (**strp == '#' || **strp == '%')
- {
- if (strncasecmp (*strp + 1, "lo(", 3) == 0)
- {
- *strp += 4;
- errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_LO16,
- & result_type, & value);
- if (**strp != ')')
- return "missing `)'";
- ++*strp;
- if (errmsg == NULL
- && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
- value &= 0xffff;
- *valuep = value;
- return errmsg;
- }
- if (strncasecmp (*strp + 1, "gprello(", 8) == 0)
- {
- *strp += 9;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GPRELLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotlo(", 6) == 0)
- {
- *strp += 7;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotfuncdesclo(", 14) == 0)
- {
- *strp += 15;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_FUNCDESC_GOTLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotofflo(", 9) == 0)
- {
- *strp += 10;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTOFFLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotofffuncdesclo(", 17) == 0)
- {
- *strp += 18;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_FUNCDESC_GOTOFFLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gottlsdesclo(", 13) == 0)
- {
- *strp += 14;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTTLSDESCLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "tlsmofflo(", 10) == 0)
- {
- *strp += 11;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_TLSMOFFLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gottlsofflo(", 12) == 0)
- {
- *strp += 13;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTTLSOFFLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- }
- return cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
- }
- static const char *
- parse_uslo16 (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- signed long *valuep)
- {
- const char *errmsg;
- enum cgen_parse_operand_result result_type;
- bfd_vma value;
- if (**strp == '#' || **strp == '%')
- {
- if (strncasecmp (*strp + 1, "lo(", 3) == 0)
- {
- *strp += 4;
- errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_LO16,
- & result_type, & value);
- if (**strp != ')')
- return "missing `)'";
- ++*strp;
- if (errmsg == NULL
- && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
- value &= 0xffff;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gprello(", 8) == 0)
- {
- *strp += 9;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GPRELLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotlo(", 6) == 0)
- {
- *strp += 7;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotfuncdesclo(", 14) == 0)
- {
- *strp += 15;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_FUNCDESC_GOTLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotofflo(", 9) == 0)
- {
- *strp += 10;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTOFFLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotofffuncdesclo(", 17) == 0)
- {
- *strp += 18;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_FUNCDESC_GOTOFFLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gottlsdesclo(", 13) == 0)
- {
- *strp += 14;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTTLSDESCLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "tlsmofflo(", 10) == 0)
- {
- *strp += 11;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_TLSMOFFLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gottlsofflo(", 12) == 0)
- {
- *strp += 13;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTTLSOFFLO,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- }
- return cgen_parse_signed_integer (cd, strp, opindex, valuep);
- }
- static const char *
- parse_uhi16 (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- unsigned long *valuep)
- {
- const char *errmsg;
- enum cgen_parse_operand_result result_type;
- bfd_vma value;
- if (**strp == '#' || **strp == '%')
- {
- if (strncasecmp (*strp + 1, "hi(", 3) == 0)
- {
- *strp += 4;
- errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_HI16,
- & result_type, & value);
- if (**strp != ')')
- return "missing `)'";
- ++*strp;
- if (errmsg == NULL
- && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
- {
- /* If value is wider than 32 bits then be
- careful about how we extract bits 16-31. */
- if (sizeof (value) > 4)
- value &= (((bfd_vma)1 << 16) << 16) - 1;
- value >>= 16;
- }
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gprelhi(", 8) == 0)
- {
- *strp += 9;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GPRELHI,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gothi(", 6) == 0)
- {
- *strp += 7;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTHI,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotfuncdeschi(", 14) == 0)
- {
- *strp += 15;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_FUNCDESC_GOTHI,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotoffhi(", 9) == 0)
- {
- *strp += 10;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTOFFHI,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotofffuncdeschi(", 17) == 0)
- {
- *strp += 18;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_FUNCDESC_GOTOFFHI,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gottlsdeschi(", 13) == 0)
- {
- *strp += 14;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTTLSDESCHI,
- &result_type, &value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "tlsmoffhi(", 10) == 0)
- {
- *strp += 11;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_TLSMOFFHI,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gottlsoffhi(", 12) == 0)
- {
- *strp += 13;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTTLSOFFHI,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- }
- return cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
- }
- static long
- parse_register_number (const char **strp)
- {
- int regno;
- if (**strp < '0' || **strp > '9')
- return -1; /* error */
- regno = **strp - '0';
- for (++*strp; **strp >= '0' && **strp <= '9'; ++*strp)
- regno = regno * 10 + (**strp - '0');
- return regno;
- }
- static const char *
- parse_spr (CGEN_CPU_DESC cd,
- const char **strp,
- CGEN_KEYWORD * table,
- long *valuep)
- {
- const char *save_strp;
- long regno;
- /* Check for spr index notation. */
- if (strncasecmp (*strp, "spr[", 4) == 0)
- {
- *strp += 4;
- regno = parse_register_number (strp);
- if (**strp != ']')
- return _("missing `]'");
- ++*strp;
- if (! spr_valid (regno))
- return _("Special purpose register number is out of range");
- *valuep = regno;
- return NULL;
- }
- save_strp = *strp;
- regno = parse_register_number (strp);
- if (regno != -1)
- {
- if (! spr_valid (regno))
- return _("Special purpose register number is out of range");
- *valuep = regno;
- return NULL;
- }
- *strp = save_strp;
- return cgen_parse_keyword (cd, strp, table, valuep);
- }
- static const char *
- parse_d12 (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- long *valuep)
- {
- const char *errmsg;
- enum cgen_parse_operand_result result_type;
- bfd_vma value;
- /* Check for small data reference. */
- if (**strp == '#' || **strp == '%')
- {
- if (strncasecmp (*strp + 1, "gprel12(", 8) == 0)
- {
- *strp += 9;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GPREL12,
- & result_type, & value);
- if (**strp != ')')
- return "missing `)'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "got12(", 6) == 0)
- {
- *strp += 7;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOT12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotfuncdesc12(", 14) == 0)
- {
- *strp += 15;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_FUNCDESC_GOT12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotoff12(", 9) == 0)
- {
- *strp += 10;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTOFF12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotofffuncdesc12(", 17) == 0)
- {
- *strp += 18;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_FUNCDESC_GOTOFF12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gottlsdesc12(", 13) == 0)
- {
- *strp += 14;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTTLSDESC12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "tlsmoff12(", 10) == 0)
- {
- *strp += 11;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_TLSMOFF12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gottlsoff12(", 12) == 0)
- {
- *strp += 13;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTTLSOFF12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- }
- return cgen_parse_signed_integer (cd, strp, opindex, valuep);
- }
- static const char *
- parse_s12 (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- long *valuep)
- {
- const char *errmsg;
- enum cgen_parse_operand_result result_type;
- bfd_vma value;
- /* Check for small data reference. */
- if (**strp == '#' || **strp == '%')
- {
- if (strncasecmp (*strp + 1, "gprel12(", 8) == 0)
- {
- *strp += 9;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GPREL12,
- & result_type, & value);
- if (**strp != ')')
- return "missing `)'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "got12(", 6) == 0)
- {
- *strp += 7;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOT12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotfuncdesc12(", 14) == 0)
- {
- *strp += 15;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_FUNCDESC_GOT12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotoff12(", 9) == 0)
- {
- *strp += 10;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTOFF12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gotofffuncdesc12(", 17) == 0)
- {
- *strp += 18;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_FUNCDESC_GOTOFF12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gottlsdesc12(", 13) == 0)
- {
- *strp += 14;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTTLSDESC12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "tlsmoff12(", 10) == 0)
- {
- *strp += 11;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_TLSMOFF12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else if (strncasecmp (*strp + 1, "gottlsoff12(", 12) == 0)
- {
- *strp += 13;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GOTTLSOFF12,
- & result_type, & value);
- if (**strp != ')')
- return "missing ')'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- }
- if (**strp == '#')
- ++*strp;
- return cgen_parse_signed_integer (cd, strp, opindex, valuep);
- }
- static const char *
- parse_u12 (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- long *valuep)
- {
- const char *errmsg;
- enum cgen_parse_operand_result result_type;
- bfd_vma value;
- /* Check for small data reference. */
- if ((**strp == '#' || **strp == '%')
- && strncasecmp (*strp + 1, "gprel12(", 8) == 0)
- {
- *strp += 9;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GPRELU12,
- & result_type, & value);
- if (**strp != ')')
- return "missing `)'";
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- else
- {
- if (**strp == '#')
- ++*strp;
- return cgen_parse_signed_integer (cd, strp, opindex, valuep);
- }
- }
- static const char *
- parse_A (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- unsigned long *valuep,
- unsigned long A)
- {
- const char *errmsg;
- if (**strp == '#')
- ++*strp;
- errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
- if (errmsg)
- return errmsg;
- if (*valuep != A)
- return _("Value of A operand must be 0 or 1");
- return NULL;
- }
- static const char *
- parse_A0 (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- unsigned long *valuep)
- {
- return parse_A (cd, strp, opindex, valuep, 0);
- }
- static const char *
- parse_A1 (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- unsigned long *valuep)
- {
- return parse_A (cd, strp, opindex, valuep, 1);
- }
- static const char *
- parse_even_register (CGEN_CPU_DESC cd,
- const char ** strP,
- CGEN_KEYWORD * tableP,
- long * valueP)
- {
- const char * errmsg;
- const char * saved_star_strP = * strP;
- errmsg = cgen_parse_keyword (cd, strP, tableP, valueP);
- if (errmsg == NULL && ((* valueP) & 1))
- {
- errmsg = _("register number must be even");
- * strP = saved_star_strP;
- }
- return errmsg;
- }
- static const char *
- parse_call_label (CGEN_CPU_DESC cd,
- const char **strp,
- int opindex,
- int opinfo,
- enum cgen_parse_operand_result *resultp,
- bfd_vma *valuep)
- {
- const char *errmsg;
- bfd_vma value;
- /* Check for small data reference. */
- if (opinfo == 0 && (**strp == '#' || **strp == '%'))
- {
- if (strncasecmp (*strp + 1, "gettlsoff(", 10) == 0)
- {
- *strp += 11;
- errmsg = parse_symbolic_address (cd, strp, opindex,
- BFD_RELOC_FRV_GETTLSOFF,
- resultp, &value);
- if (**strp != ')')
- return _("missing `)'");
- ++*strp;
- *valuep = value;
- return errmsg;
- }
- }
- return cgen_parse_address (cd, strp, opindex, opinfo, resultp, valuep);
- }
- /* -- */
- const char * frv_cgen_parse_operand
- (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
- /* Main entry point for operand parsing.
- 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 `parse_insn_normal', but keeping it
- separate makes clear the interface between `parse_insn_normal' and each of
- the handlers. */
- const char *
- frv_cgen_parse_operand (CGEN_CPU_DESC cd,
- int opindex,
- const char ** strp,
- CGEN_FIELDS * fields)
- {
- const char * errmsg = NULL;
- /* Used by scalar operands that still need to be parsed. */
- long junk ATTRIBUTE_UNUSED;
- switch (opindex)
- {
- case FRV_OPERAND_A0 :
- errmsg = parse_A0 (cd, strp, FRV_OPERAND_A0, (unsigned long *) (& fields->f_A));
- break;
- case FRV_OPERAND_A1 :
- errmsg = parse_A1 (cd, strp, FRV_OPERAND_A1, (unsigned long *) (& fields->f_A));
- break;
- case FRV_OPERAND_ACC40SI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Si);
- break;
- case FRV_OPERAND_ACC40SK :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Sk);
- break;
- case FRV_OPERAND_ACC40UI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Ui);
- break;
- case FRV_OPERAND_ACC40UK :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Uk);
- break;
- case FRV_OPERAND_ACCGI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_accg_names, & fields->f_ACCGi);
- break;
- case FRV_OPERAND_ACCGK :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_accg_names, & fields->f_ACCGk);
- break;
- case FRV_OPERAND_CCI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CCi);
- break;
- case FRV_OPERAND_CPRDOUBLEK :
- errmsg = parse_even_register (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRk);
- break;
- case FRV_OPERAND_CPRI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRi);
- break;
- case FRV_OPERAND_CPRJ :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRj);
- break;
- case FRV_OPERAND_CPRK :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRk);
- break;
- case FRV_OPERAND_CRI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRi);
- break;
- case FRV_OPERAND_CRJ :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRj);
- break;
- case FRV_OPERAND_CRJ_FLOAT :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRj_float);
- break;
- case FRV_OPERAND_CRJ_INT :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRj_int);
- break;
- case FRV_OPERAND_CRK :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRk);
- break;
- case FRV_OPERAND_FCCI_1 :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCi_1);
- break;
- case FRV_OPERAND_FCCI_2 :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCi_2);
- break;
- case FRV_OPERAND_FCCI_3 :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCi_3);
- break;
- case FRV_OPERAND_FCCK :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCk);
- break;
- case FRV_OPERAND_FRDOUBLEI :
- errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi);
- break;
- case FRV_OPERAND_FRDOUBLEJ :
- errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj);
- break;
- case FRV_OPERAND_FRDOUBLEK :
- errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
- break;
- case FRV_OPERAND_FRI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi);
- break;
- case FRV_OPERAND_FRINTI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi);
- break;
- case FRV_OPERAND_FRINTIEVEN :
- errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi);
- break;
- case FRV_OPERAND_FRINTJ :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj);
- break;
- case FRV_OPERAND_FRINTJEVEN :
- errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj);
- break;
- case FRV_OPERAND_FRINTK :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
- break;
- case FRV_OPERAND_FRINTKEVEN :
- errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
- break;
- case FRV_OPERAND_FRJ :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj);
- break;
- case FRV_OPERAND_FRK :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
- break;
- case FRV_OPERAND_FRKHI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
- break;
- case FRV_OPERAND_FRKLO :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
- break;
- case FRV_OPERAND_GRDOUBLEK :
- errmsg = parse_even_register (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk);
- break;
- case FRV_OPERAND_GRI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRi);
- break;
- case FRV_OPERAND_GRJ :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRj);
- break;
- case FRV_OPERAND_GRK :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk);
- break;
- case FRV_OPERAND_GRKHI :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk);
- break;
- case FRV_OPERAND_GRKLO :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk);
- break;
- case FRV_OPERAND_ICCI_1 :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_iccr_names, & fields->f_ICCi_1);
- break;
- case FRV_OPERAND_ICCI_2 :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_iccr_names, & fields->f_ICCi_2);
- break;
- case FRV_OPERAND_ICCI_3 :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_iccr_names, & fields->f_ICCi_3);
- break;
- case FRV_OPERAND_LI :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LI, (unsigned long *) (& fields->f_LI));
- break;
- case FRV_OPERAND_LRAD :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LRAD, (unsigned long *) (& fields->f_LRAD));
- break;
- case FRV_OPERAND_LRAE :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LRAE, (unsigned long *) (& fields->f_LRAE));
- break;
- case FRV_OPERAND_LRAS :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LRAS, (unsigned long *) (& fields->f_LRAS));
- break;
- case FRV_OPERAND_TLBPRL :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_TLBPRL, (unsigned long *) (& fields->f_TLBPRL));
- break;
- case FRV_OPERAND_TLBPROPX :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_TLBPROPX, (unsigned long *) (& fields->f_TLBPRopx));
- break;
- case FRV_OPERAND_AE :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_AE, (unsigned long *) (& fields->f_ae));
- break;
- case FRV_OPERAND_CALLANN :
- errmsg = parse_call_annotation (cd, strp, FRV_OPERAND_CALLANN, (unsigned long *) (& fields->f_reloc_ann));
- break;
- case FRV_OPERAND_CCOND :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_CCOND, (unsigned long *) (& fields->f_ccond));
- break;
- case FRV_OPERAND_COND :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_COND, (unsigned long *) (& fields->f_cond));
- break;
- case FRV_OPERAND_D12 :
- errmsg = parse_d12 (cd, strp, FRV_OPERAND_D12, (long *) (& fields->f_d12));
- break;
- case FRV_OPERAND_DEBUG :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_DEBUG, (unsigned long *) (& fields->f_debug));
- break;
- case FRV_OPERAND_EIR :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_EIR, (unsigned long *) (& fields->f_eir));
- break;
- case FRV_OPERAND_HINT :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_HINT, (unsigned long *) (& fields->f_hint));
- break;
- case FRV_OPERAND_HINT_NOT_TAKEN :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_h_hint_not_taken, & fields->f_hint);
- break;
- case FRV_OPERAND_HINT_TAKEN :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_h_hint_taken, & fields->f_hint);
- break;
- case FRV_OPERAND_LABEL16 :
- {
- bfd_vma value = 0;
- errmsg = cgen_parse_address (cd, strp, FRV_OPERAND_LABEL16, 0, NULL, & value);
- fields->f_label16 = value;
- }
- break;
- case FRV_OPERAND_LABEL24 :
- {
- bfd_vma value = 0;
- errmsg = parse_call_label (cd, strp, FRV_OPERAND_LABEL24, 0, NULL, & value);
- fields->f_label24 = value;
- }
- break;
- case FRV_OPERAND_LDANN :
- errmsg = parse_ld_annotation (cd, strp, FRV_OPERAND_LDANN, (unsigned long *) (& fields->f_reloc_ann));
- break;
- case FRV_OPERAND_LDDANN :
- errmsg = parse_ldd_annotation (cd, strp, FRV_OPERAND_LDDANN, (unsigned long *) (& fields->f_reloc_ann));
- break;
- case FRV_OPERAND_LOCK :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LOCK, (unsigned long *) (& fields->f_lock));
- break;
- case FRV_OPERAND_PACK :
- errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_h_pack, & fields->f_pack);
- break;
- case FRV_OPERAND_S10 :
- errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S10, (long *) (& fields->f_s10));
- break;
- case FRV_OPERAND_S12 :
- errmsg = parse_s12 (cd, strp, FRV_OPERAND_S12, (long *) (& fields->f_d12));
- break;
- case FRV_OPERAND_S16 :
- errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S16, (long *) (& fields->f_s16));
- break;
- case FRV_OPERAND_S5 :
- errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S5, (long *) (& fields->f_s5));
- break;
- case FRV_OPERAND_S6 :
- errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S6, (long *) (& fields->f_s6));
- break;
- case FRV_OPERAND_S6_1 :
- errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S6_1, (long *) (& fields->f_s6_1));
- break;
- case FRV_OPERAND_SLO16 :
- errmsg = parse_uslo16 (cd, strp, FRV_OPERAND_SLO16, (long *) (& fields->f_s16));
- break;
- case FRV_OPERAND_SPR :
- errmsg = parse_spr (cd, strp, & frv_cgen_opval_spr_names, & fields->f_spr);
- break;
- case FRV_OPERAND_U12 :
- errmsg = parse_u12 (cd, strp, FRV_OPERAND_U12, (long *) (& fields->f_u12));
- break;
- case FRV_OPERAND_U16 :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_U16, (unsigned long *) (& fields->f_u16));
- break;
- case FRV_OPERAND_U6 :
- errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_U6, (unsigned long *) (& fields->f_u6));
- break;
- case FRV_OPERAND_UHI16 :
- errmsg = parse_uhi16 (cd, strp, FRV_OPERAND_UHI16, (unsigned long *) (& fields->f_u16));
- break;
- case FRV_OPERAND_ULO16 :
- errmsg = parse_ulo16 (cd, strp, FRV_OPERAND_ULO16, (unsigned long *) (& fields->f_u16));
- break;
- default :
- /* xgettext:c-format */
- opcodes_error_handler
- (_("internal error: unrecognized field %d while parsing"),
- opindex);
- abort ();
- }
- return errmsg;
- }
- cgen_parse_fn * const frv_cgen_parse_handlers[] =
- {
- parse_insn_normal,
- };
- void
- frv_cgen_init_asm (CGEN_CPU_DESC cd)
- {
- frv_cgen_init_opcode_table (cd);
- frv_cgen_init_ibld_table (cd);
- cd->parse_handlers = & frv_cgen_parse_handlers[0];
- cd->parse_operand = frv_cgen_parse_operand;
- #ifdef CGEN_ASM_INIT_HOOK
- CGEN_ASM_INIT_HOOK
- #endif
- }
- /* Regex construction routine.
- This translates an opcode syntax string into a regex string,
- by replacing any non-character syntax element (such as an
- opcode) with the pattern '.*'
- It then compiles the regex and stores it in the opcode, for
- later use by frv_cgen_assemble_insn
- Returns NULL for success, an error message for failure. */
- char *
- frv_cgen_build_insn_regex (CGEN_INSN *insn)
- {
- CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
- const char *mnem = CGEN_INSN_MNEMONIC (insn);
- char rxbuf[CGEN_MAX_RX_ELEMENTS];
- char *rx = rxbuf;
- const CGEN_SYNTAX_CHAR_TYPE *syn;
- int reg_err;
- syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc));
- /* Mnemonics come first in the syntax string. */
- if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
- return _("missing mnemonic in syntax string");
- ++syn;
- /* Generate a case sensitive regular expression that emulates case
- insensitive matching in the "C" locale. We cannot generate a case
- insensitive regular expression because in Turkish locales, 'i' and 'I'
- are not equal modulo case conversion. */
- /* Copy the literal mnemonic out of the insn. */
- for (; *mnem; mnem++)
- {
- char c = *mnem;
- if (ISALPHA (c))
- {
- *rx++ = '[';
- *rx++ = TOLOWER (c);
- *rx++ = TOUPPER (c);
- *rx++ = ']';
- }
- else
- *rx++ = c;
- }
- /* Copy any remaining literals from the syntax string into the rx. */
- for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn)
- {
- if (CGEN_SYNTAX_CHAR_P (* syn))
- {
- char c = CGEN_SYNTAX_CHAR (* syn);
- switch (c)
- {
- /* Escape any regex metacharacters in the syntax. */
- case '.': case '[': case '\\':
- case '*': case '^': case '$':
- #ifdef CGEN_ESCAPE_EXTENDED_REGEX
- case '?': case '{': case '}':
- case '(': case ')': case '*':
- case '|': case '+': case ']':
- #endif
- *rx++ = '\\';
- *rx++ = c;
- break;
- default:
- if (ISALPHA (c))
- {
- *rx++ = '[';
- *rx++ = TOLOWER (c);
- *rx++ = TOUPPER (c);
- *rx++ = ']';
- }
- else
- *rx++ = c;
- break;
- }
- }
- else
- {
- /* Replace non-syntax fields with globs. */
- *rx++ = '.';
- *rx++ = '*';
- }
- }
- /* Trailing whitespace ok. */
- * rx++ = '[';
- * rx++ = ' ';
- * rx++ = '\t';
- * rx++ = ']';
- * rx++ = '*';
- /* But anchor it after that. */
- * rx++ = '$';
- * rx = '\0';
- CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t));
- reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB);
- if (reg_err == 0)
- return NULL;
- else
- {
- static char msg[80];
- regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80);
- regfree ((regex_t *) CGEN_INSN_RX (insn));
- free (CGEN_INSN_RX (insn));
- (CGEN_INSN_RX (insn)) = NULL;
- return msg;
- }
- }
- /* Default insn parser.
- The syntax string is scanned and operands are parsed and stored in FIELDS.
- Relocs are queued as we go via other callbacks.
- ??? Note that this is currently an all-or-nothing parser. If we fail to
- parse the instruction, we return 0 and the caller will start over from
- the beginning. Backtracking will be necessary in parsing subexpressions,
- but that can be handled there. Not handling backtracking here may get
- expensive in the case of the m68k. Deal with later.
- Returns NULL for success, an error message for failure. */
- static const char *
- parse_insn_normal (CGEN_CPU_DESC cd,
- const CGEN_INSN *insn,
- const char **strp,
- CGEN_FIELDS *fields)
- {
- /* ??? Runtime added insns not handled yet. */
- const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
- const char *str = *strp;
- const char *errmsg;
- const char *p;
- const CGEN_SYNTAX_CHAR_TYPE * syn;
- #ifdef CGEN_MNEMONIC_OPERANDS
- /* FIXME: wip */
- int past_opcode_p;
- #endif
- /* For now we assume the mnemonic is first (there are no leading operands).
- We can parse it without needing to set up operand parsing.
- GAS's input scrubber will ensure mnemonics are lowercase, but we may
- not be called from GAS. */
- p = CGEN_INSN_MNEMONIC (insn);
- while (*p && TOLOWER (*p) == TOLOWER (*str))
- ++p, ++str;
- if (* p)
- return _("unrecognized instruction");
- #ifndef CGEN_MNEMONIC_OPERANDS
- if (* str && ! ISSPACE (* str))
- return _("unrecognized instruction");
- #endif
- CGEN_INIT_PARSE (cd);
- cgen_init_parse_operand (cd);
- #ifdef CGEN_MNEMONIC_OPERANDS
- past_opcode_p = 0;
- #endif
- /* We don't check for (*str != '\0') here because we want to parse
- any trailing fake arguments in the syntax string. */
- syn = CGEN_SYNTAX_STRING (syntax);
- /* Mnemonics come first for now, ensure valid string. */
- if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
- abort ();
- ++syn;
- while (* syn != 0)
- {
- /* Non operand chars must match exactly. */
- if (CGEN_SYNTAX_CHAR_P (* syn))
- {
- /* FIXME: While we allow for non-GAS callers above, we assume the
- first char after the mnemonic part is a space. */
- /* FIXME: We also take inappropriate advantage of the fact that
- GAS's input scrubber will remove extraneous blanks. */
- if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn)))
- {
- #ifdef CGEN_MNEMONIC_OPERANDS
- if (CGEN_SYNTAX_CHAR(* syn) == ' ')
- past_opcode_p = 1;
- #endif
- ++ syn;
- ++ str;
- }
- else if (*str)
- {
- /* Syntax char didn't match. Can't be this insn. */
- static char msg [80];
- /* xgettext:c-format */
- sprintf (msg, _("syntax error (expected char `%c', found `%c')"),
- CGEN_SYNTAX_CHAR(*syn), *str);
- return msg;
- }
- else
- {
- /* Ran out of input. */
- static char msg [80];
- /* xgettext:c-format */
- sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"),
- CGEN_SYNTAX_CHAR(*syn));
- return msg;
- }
- continue;
- }
- #ifdef CGEN_MNEMONIC_OPERANDS
- (void) past_opcode_p;
- #endif
- /* We have an operand of some sort. */
- errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), &str, fields);
- if (errmsg)
- return errmsg;
- /* Done with this operand, continue with next one. */
- ++ syn;
- }
- /* If we're at the end of the syntax string, we're done. */
- if (* syn == 0)
- {
- /* FIXME: For the moment we assume a valid `str' can only contain
- blanks now. IE: We needn't try again with a longer version of
- the insn and it is assumed that longer versions of insns appear
- before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */
- while (ISSPACE (* str))
- ++ str;
- if (* str != '\0')
- return _("junk at end of line"); /* FIXME: would like to include `str' */
- return NULL;
- }
- /* We couldn't parse it. */
- return _("unrecognized instruction");
- }
- /* Main entry point.
- This routine is called for each instruction to be assembled.
- STR points to the insn to be assembled.
- We assume all necessary tables have been initialized.
- The assembled instruction, less any fixups, is stored in BUF.
- Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value
- still needs to be converted to target byte order, otherwise BUF is an array
- of bytes in target byte order.
- The result is a pointer to the insn's entry in the opcode table,
- or NULL if an error occured (an error message will have already been
- printed).
- Note that when processing (non-alias) macro-insns,
- this function recurses.
- ??? It's possible to make this cpu-independent.
- One would have to deal with a few minor things.
- At this point in time doing so would be more of a curiosity than useful
- [for example this file isn't _that_ big], but keeping the possibility in
- mind helps keep the design clean. */
- const CGEN_INSN *
- frv_cgen_assemble_insn (CGEN_CPU_DESC cd,
- const char *str,
- CGEN_FIELDS *fields,
- CGEN_INSN_BYTES_PTR buf,
- char **errmsg)
- {
- const char *start;
- CGEN_INSN_LIST *ilist;
- const char *parse_errmsg = NULL;
- const char *insert_errmsg = NULL;
- int recognized_mnemonic = 0;
- /* Skip leading white space. */
- while (ISSPACE (* str))
- ++ str;
- /* The instructions are stored in hashed lists.
- Get the first in the list. */
- ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
- /* Keep looking until we find a match. */
- start = str;
- for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist))
- {
- const CGEN_INSN *insn = ilist->insn;
- recognized_mnemonic = 1;
- #ifdef CGEN_VALIDATE_INSN_SUPPORTED
- /* Not usually needed as unsupported opcodes
- shouldn't be in the hash lists. */
- /* Is this insn supported by the selected cpu? */
- if (! frv_cgen_insn_supported (cd, insn))
- continue;
- #endif
- /* If the RELAXED attribute is set, this is an insn that shouldn't be
- chosen immediately. Instead, it is used during assembler/linker
- relaxation if possible. */
- if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0)
- continue;
- str = start;
- /* Skip this insn if str doesn't look right lexically. */
- if (CGEN_INSN_RX (insn) != NULL &&
- regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH)
- continue;
- /* Allow parse/insert handlers to obtain length of insn. */
- CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
- parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
- if (parse_errmsg != NULL)
- continue;
- /* ??? 0 is passed for `pc'. */
- insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf,
- (bfd_vma) 0);
- if (insert_errmsg != NULL)
- continue;
- /* It is up to the caller to actually output the insn and any
- queued relocs. */
- return insn;
- }
- {
- static char errbuf[150];
- const char *tmp_errmsg;
- #ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
- #define be_verbose 1
- #else
- #define be_verbose 0
- #endif
- if (be_verbose)
- {
- /* If requesting verbose error messages, use insert_errmsg.
- Failing that, use parse_errmsg. */
- tmp_errmsg = (insert_errmsg ? insert_errmsg :
- parse_errmsg ? parse_errmsg :
- recognized_mnemonic ?
- _("unrecognized form of instruction") :
- _("unrecognized instruction"));
- if (strlen (start) > 50)
- /* xgettext:c-format */
- sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start);
- else
- /* xgettext:c-format */
- sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start);
- }
- else
- {
- if (strlen (start) > 50)
- /* xgettext:c-format */
- sprintf (errbuf, _("bad instruction `%.50s...'"), start);
- else
- /* xgettext:c-format */
- sprintf (errbuf, _("bad instruction `%.50s'"), start);
- }
- *errmsg = errbuf;
- return NULL;
- }
- }
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