/* 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
+ THIS FILE IS MACHINE GENERATED WITH CGEN.
+ - the resultant file is machine generated, cgen-asm.in isn't
-Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2007
+ Free Software Foundation, Inc.
-This file is part of the GNU Binutils and GDB, the GNU debugger.
+ This file is part of libopcodes.
-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 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.
-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.
+ 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. */
-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. */
/* ??? Eventually more and more of this stuff can go to cpu-independent files.
Keep that in mind. */
#define max(a,b) ((a) > (b) ? (a) : (b))
static const char * parse_insn_normal
- PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *));
+ (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *);
\f
/* -- assembler routines inserted here. */
/* -- asm.c */
-#define CGEN_VERBOSE_ASSEMBLER_ERRORS
+static const char * MISSING_CLOSING_PARENTHESIS = N_("missing `)'");
-static const char * parse_hi16
- PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
-static const char * parse_lo16
- PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
+#define CGEN_VERBOSE_ASSEMBLER_ERRORS
long
-openrisc_sign_extend_16bit (value)
- long value;
+openrisc_sign_extend_16bit (long value)
{
- return (long) (short) value;
+ return ((value & 0xffff) ^ 0x8000) - 0x8000;
}
/* Handle hi(). */
static const char *
-parse_hi16 (cd, strp, opindex, valuep)
- CGEN_CPU_DESC cd;
- const char **strp;
- int opindex;
- unsigned long *valuep;
+parse_hi16 (CGEN_CPU_DESC cd, const char ** strp, int opindex, long * valuep)
{
const char *errmsg;
enum cgen_parse_operand_result result_type;
- bfd_vma value;
+ unsigned long ret;
if (**strp == '#')
++*strp;
if (strncasecmp (*strp, "hi(", 3) == 0)
{
- *strp += 3;
+ bfd_vma value;
-#if 0
- errmsg = cgen_parse_signed_integer (cd, strp, opindex, valuep);
- if (errmsg != NULL)
- fprintf (stderr, "parse_hi: %s\n", errmsg);
- if (errmsg != NULL)
-#endif
- errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16,
- &result_type, &value);
+ *strp += 3;
+ errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16,
+ & result_type, & value);
if (**strp != ')')
- return "missing `)'";
+ return MISSING_CLOSING_PARENTHESIS;
+
++*strp;
if (errmsg == NULL
&& result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
value >>= 16;
- *valuep = (long) (short) value;
-
- return errmsg;
+ ret = value;
}
else
{
if (**strp == '-')
- errmsg = cgen_parse_signed_integer (cd, strp, opindex, (long *) &value);
+ {
+ long value;
+
+ errmsg = cgen_parse_signed_integer (cd, strp, opindex, &value);
+ ret = value;
+ }
else
- errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, (unsigned long *) &value);
+ {
+ unsigned long value;
+
+ errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, &value);
+ ret = value;
+ }
}
- *valuep = (long) (short) (value & 0xffff);
+
+ *valuep = ((ret & 0xffff) ^ 0x8000) - 0x8000;
return errmsg;
}
/* Handle lo(). */
static const char *
-parse_lo16 (cd, strp, opindex, valuep)
- CGEN_CPU_DESC cd;
- const char **strp;
- int opindex;
- unsigned long *valuep;
+parse_lo16 (CGEN_CPU_DESC cd, const char ** strp, int opindex, long * valuep)
{
const char *errmsg;
enum cgen_parse_operand_result result_type;
- bfd_vma value;
+ unsigned long ret;
if (**strp == '#')
++*strp;
if (strncasecmp (*strp, "lo(", 3) == 0)
{
- *strp += 3;
-
-#if 0
- errmsg = cgen_parse_signed_integer (cd, strp, opindex, valuep);
- if (errmsg != NULL)
- fprintf (stderr, "parse_lo: %s\n", errmsg);
+ bfd_vma value;
- if (errmsg != NULL)
-#endif
- errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16,
- &result_type, &value);
+ *strp += 3;
+ errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16,
+ & result_type, & value);
if (**strp != ')')
- return "missing `)'";
+ return MISSING_CLOSING_PARENTHESIS;
+
++*strp;
- if (errmsg == NULL
- && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
- value &= 0xffff;
- *valuep = (long) (short) value;
+ ret = value;
+ }
+ else
+ {
+ if (**strp == '-')
+ {
+ long value;
+
+ errmsg = cgen_parse_signed_integer (cd, strp, opindex, &value);
+ ret = value;
+ }
+ else
+ {
+ unsigned long value;
- return errmsg;
+ errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, &value);
+ ret = value;
+ }
}
- if (**strp == '-')
- errmsg = cgen_parse_signed_integer (cd, strp, opindex, (long *) &value);
- else
- errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, (unsigned long *) &value);
- *valuep = (long) (short) (value & 0xffff);
+ *valuep = ((ret & 0xffff) ^ 0x8000) - 0x8000;
return errmsg;
}
/* -- */
const char * openrisc_cgen_parse_operand
- PARAMS ((CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *));
+ (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
/* Main entry point for operand parsing.
the handlers. */
const char *
-openrisc_cgen_parse_operand (cd, opindex, strp, fields)
- CGEN_CPU_DESC cd;
- int opindex;
- const char ** strp;
- CGEN_FIELDS * fields;
+openrisc_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. */
{
case OPENRISC_OPERAND_ABS_26 :
{
- bfd_vma value;
+ bfd_vma value = 0;
errmsg = cgen_parse_address (cd, strp, OPENRISC_OPERAND_ABS_26, 0, NULL, & value);
fields->f_abs26 = value;
}
break;
case OPENRISC_OPERAND_DISP_26 :
{
- bfd_vma value;
+ bfd_vma value = 0;
errmsg = cgen_parse_address (cd, strp, OPENRISC_OPERAND_DISP_26, 0, NULL, & value);
fields->f_disp26 = value;
}
break;
case OPENRISC_OPERAND_HI16 :
- errmsg = parse_hi16 (cd, strp, OPENRISC_OPERAND_HI16, &fields->f_simm16);
+ errmsg = parse_hi16 (cd, strp, OPENRISC_OPERAND_HI16, (long *) (& fields->f_simm16));
break;
case OPENRISC_OPERAND_LO16 :
- errmsg = parse_lo16 (cd, strp, OPENRISC_OPERAND_LO16, &fields->f_lo16);
+ errmsg = parse_lo16 (cd, strp, OPENRISC_OPERAND_LO16, (long *) (& fields->f_lo16));
break;
case OPENRISC_OPERAND_OP_F_23 :
- errmsg = cgen_parse_unsigned_integer (cd, strp, OPENRISC_OPERAND_OP_F_23, &fields->f_op4);
+ errmsg = cgen_parse_unsigned_integer (cd, strp, OPENRISC_OPERAND_OP_F_23, (unsigned long *) (& fields->f_op4));
break;
case OPENRISC_OPERAND_OP_F_3 :
- errmsg = cgen_parse_unsigned_integer (cd, strp, OPENRISC_OPERAND_OP_F_3, &fields->f_op5);
+ errmsg = cgen_parse_unsigned_integer (cd, strp, OPENRISC_OPERAND_OP_F_3, (unsigned long *) (& fields->f_op5));
break;
case OPENRISC_OPERAND_RA :
errmsg = cgen_parse_keyword (cd, strp, & openrisc_cgen_opval_h_gr, & fields->f_r2);
errmsg = cgen_parse_keyword (cd, strp, & openrisc_cgen_opval_h_gr, & fields->f_r1);
break;
case OPENRISC_OPERAND_SIMM_16 :
- errmsg = cgen_parse_signed_integer (cd, strp, OPENRISC_OPERAND_SIMM_16, &fields->f_simm16);
+ errmsg = cgen_parse_signed_integer (cd, strp, OPENRISC_OPERAND_SIMM_16, (long *) (& fields->f_simm16));
break;
case OPENRISC_OPERAND_UI16NC :
- errmsg = parse_lo16 (cd, strp, OPENRISC_OPERAND_UI16NC, &fields->f_i16nc);
+ errmsg = parse_lo16 (cd, strp, OPENRISC_OPERAND_UI16NC, (long *) (& fields->f_i16nc));
break;
case OPENRISC_OPERAND_UIMM_16 :
- errmsg = cgen_parse_unsigned_integer (cd, strp, OPENRISC_OPERAND_UIMM_16, &fields->f_uimm16);
+ errmsg = cgen_parse_unsigned_integer (cd, strp, OPENRISC_OPERAND_UIMM_16, (unsigned long *) (& fields->f_uimm16));
break;
case OPENRISC_OPERAND_UIMM_5 :
- errmsg = cgen_parse_unsigned_integer (cd, strp, OPENRISC_OPERAND_UIMM_5, &fields->f_uimm5);
+ errmsg = cgen_parse_unsigned_integer (cd, strp, OPENRISC_OPERAND_UIMM_5, (unsigned long *) (& fields->f_uimm5));
break;
default :
};
void
-openrisc_cgen_init_asm (cd)
- CGEN_CPU_DESC cd;
+openrisc_cgen_init_asm (CGEN_CPU_DESC cd)
{
openrisc_cgen_init_opcode_table (cd);
openrisc_cgen_init_ibld_table (cd);
cd->parse_handlers = & openrisc_cgen_parse_handlers[0];
cd->parse_operand = openrisc_cgen_parse_operand;
+#ifdef CGEN_ASM_INIT_HOOK
+CGEN_ASM_INIT_HOOK
+#endif
}
\f
Returns NULL for success, an error message for failure. */
char *
-openrisc_cgen_build_insn_regex (insn)
- CGEN_INSN *insn;
+openrisc_cgen_build_insn_regex (CGEN_INSN *insn)
{
CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
const char *mnem = CGEN_INSN_MNEMONIC (insn);
Returns NULL for success, an error message for failure. */
static const char *
-parse_insn_normal (cd, insn, strp, fields)
- CGEN_CPU_DESC cd;
- const CGEN_INSN *insn;
- const char **strp;
- CGEN_FIELDS *fields;
+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);
mind helps keep the design clean. */
const CGEN_INSN *
-openrisc_cgen_assemble_insn (cd, str, fields, buf, errmsg)
- CGEN_CPU_DESC cd;
- const char *str;
- CGEN_FIELDS *fields;
- CGEN_INSN_BYTES_PTR buf;
- char **errmsg;
+openrisc_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;
if (! openrisc_cgen_insn_supported (cd, insn))
continue;
#endif
- /* If the RELAX attribute is set, this is an insn that shouldn't be
+ /* 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_RELAX) != 0)
+ if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0)
continue;
str = start;
return NULL;
}
}
-\f
-#if 0 /* This calls back to GAS which we can't do without care. */
-
-/* Record each member of OPVALS in the assembler's symbol table.
- This lets GAS parse registers for us.
- ??? Interesting idea but not currently used. */
-
-/* Record each member of OPVALS in the assembler's symbol table.
- FIXME: Not currently used. */
-
-void
-openrisc_cgen_asm_hash_keywords (cd, opvals)
- CGEN_CPU_DESC cd;
- CGEN_KEYWORD *opvals;
-{
- CGEN_KEYWORD_SEARCH search = cgen_keyword_search_init (opvals, NULL);
- const CGEN_KEYWORD_ENTRY * ke;
-
- while ((ke = cgen_keyword_search_next (& search)) != NULL)
- {
-#if 0 /* Unnecessary, should be done in the search routine. */
- if (! openrisc_cgen_opval_supported (ke))
- continue;
-#endif
- cgen_asm_record_register (cd, ke->name, ke->value);
- }
-}
-
-#endif /* 0 */
projects / deliverable / binutils-gdb.git / blobdiff