--- /dev/null
+/* Lattice Mico32 opcode support. -*- C -*-
+ Copyright 2008, 2009 Free Software Foundation, Inc.
+ Contributed by Jon Beniston <jon@beniston.com>
+
+ This file is part of the GNU Binutils.
+
+ 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 3 of the License, 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. */
+
+/* -- opc.h */
+
+/* Allows reason codes to be output when assembler errors occur. */
+#define CGEN_VERBOSE_ASSEMBLER_ERRORS
+
+#define CGEN_DIS_HASH_SIZE 64
+#define CGEN_DIS_HASH(buf,value) ((value >> 26) & 0x3f)
+
+/* -- asm.c */
+
+/* Handle signed/unsigned literal. */
+
+static const char *
+parse_imm (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ unsigned long *valuep)
+{
+ const char *errmsg;
+ signed long value;
+
+ errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
+ if (errmsg == NULL)
+ {
+ unsigned long x = value & 0xFFFF0000;
+ if (x != 0 && x != 0xFFFF0000)
+ errmsg = _("immediate value out of range");
+ else
+ *valuep = (value & 0xFFFF);
+ }
+ return errmsg;
+}
+
+/* Handle hi() */
+
+static const char *
+parse_hi16 (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ unsigned long *valuep)
+{
+ if (strncasecmp (*strp, "hi(", 3) == 0)
+ {
+ enum cgen_parse_operand_result result_type;
+ bfd_vma value;
+ const char *errmsg;
+
+ *strp += 3;
+ errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16,
+ &result_type, &value);
+ if (**strp != ')')
+ return _("missing `)'");
+
+ ++*strp;
+ if (errmsg == NULL
+ && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+ value = (value >> 16) & 0xffff;
+ *valuep = value;
+
+ return errmsg;
+ }
+
+ return parse_imm (cd, strp, opindex, valuep);
+}
+
+/* Handle lo() */
+
+static const char *
+parse_lo16 (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ unsigned long *valuep)
+{
+ if (strncasecmp (*strp, "lo(", 3) == 0)
+ {
+ const char *errmsg;
+ enum cgen_parse_operand_result result_type;
+ bfd_vma value;
+
+ *strp += 3;
+ errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_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;
+ }
+
+ return parse_imm (cd, strp, opindex, valuep);
+}
+
+/* Handle gp() */
+
+static const char *
+parse_gp16 (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ long *valuep)
+{
+ if (strncasecmp (*strp, "gp(", 3) == 0)
+ {
+ const char *errmsg;
+ enum cgen_parse_operand_result result_type;
+ bfd_vma value;
+
+ *strp += 3;
+ errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_GPREL16,
+ & result_type, & value);
+ if (**strp != ')')
+ return _("missing `)'");
+ ++*strp;
+ if (errmsg == NULL
+ && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+ value &= 0xffff;
+ *valuep = value;
+ return errmsg;
+ }
+
+ return _("expecting gp relative address: gp(symbol)");
+}
+
+/* Handle got() */
+
+static const char *
+parse_got16 (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ long *valuep)
+{
+ if (strncasecmp (*strp, "got(", 4) == 0)
+ {
+ const char *errmsg;
+ enum cgen_parse_operand_result result_type;
+ bfd_vma value;
+
+ *strp += 4;
+ errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LM32_16_GOT,
+ & result_type, & value);
+ if (**strp != ')')
+ return _("missing `)'");
+ ++*strp;
+ if (errmsg == NULL
+ && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+ value &= 0xffff;
+ *valuep = value;
+ return errmsg;
+ }
+
+ return _("expecting got relative address: got(symbol)");
+}
+
+/* Handle gotoffhi16() */
+
+static const char *
+parse_gotoff_hi16 (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ long *valuep)
+{
+ if (strncasecmp (*strp, "gotoffhi16(", 11) == 0)
+ {
+ const char *errmsg;
+ enum cgen_parse_operand_result result_type;
+ bfd_vma value;
+
+ *strp += 11;
+ errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LM32_GOTOFF_HI16,
+ & result_type, & value);
+ if (**strp != ')')
+ return _("missing `)'");
+ ++*strp;
+ if (errmsg == NULL
+ && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+ value &= 0xffff;
+ *valuep = value;
+ return errmsg;
+ }
+
+ return _("expecting got relative address: gotoffhi16(symbol)");
+}
+
+/* Handle gotofflo16() */
+
+static const char *
+parse_gotoff_lo16 (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ long *valuep)
+{
+ if (strncasecmp (*strp, "gotofflo16(", 11) == 0)
+ {
+ const char *errmsg;
+ enum cgen_parse_operand_result result_type;
+ bfd_vma value;
+
+ *strp += 11;
+ errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LM32_GOTOFF_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;
+ }
+
+ return _("expecting got relative address: gotofflo16(symbol)");
+}
projects / msp430-binutils.git / blobdiff