diff options
Diffstat (limited to 'binutils-2.24/cpu/xstormy16.opc')
| -rw-r--r-- | binutils-2.24/cpu/xstormy16.opc | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/binutils-2.24/cpu/xstormy16.opc b/binutils-2.24/cpu/xstormy16.opc deleted file mode 100644 index 6d2d16c1..00000000 --- a/binutils-2.24/cpu/xstormy16.opc +++ /dev/null @@ -1,168 +0,0 @@ -/* XSTORMY16 opcode support. -*- C -*- - Copyright 2011 Free Software Foundation, Inc. - - Contributed by Red Hat Inc; - - 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. */ - -/* This file is an addendum to xstormy16.cpu. Heavy use of C code isn't - appropriate in .cpu files, so it resides here. This especially applies - to assembly/disassembly where parsing/printing can be quite involved. - Such things aren't really part of the specification of the cpu, per se, - so .cpu files provide the general framework and .opc files handle the - nitty-gritty details as necessary. - - Each section is delimited with start and end markers. - - <arch>-opc.h additions use: "-- opc.h" - <arch>-opc.c additions use: "-- opc.c" - <arch>-asm.c additions use: "-- asm.c" - <arch>-dis.c additions use: "-- dis.c" - <arch>-ibd.h additions use: "-- ibd.h". */ - -/* -- opc.h */ - -/* Allows reason codes to be output when assembler errors occur. */ -#define CGEN_VERBOSE_ASSEMBLER_ERRORS - -/* We can't use the default hash size because many bits are used by - operands. */ -#define CGEN_DIS_HASH_SIZE 1 -#define CGEN_DIS_HASH(buf, value) 0 -/* -- */ - -/* -- asm.c */ - -/* The machine-independent code doesn't know how to disambiguate - mov (foo),r3 - and - mov (r2),r3 - where 'foo' is a label. This helps it out. */ - -static const char * -parse_mem8 (CGEN_CPU_DESC cd, - const char **strp, - int opindex, - unsigned long *valuep) -{ - if (**strp == '(') - { - const char *s = *strp; - - if (s[1] == '-' && s[2] == '-') - return _("Bad register in preincrement"); - - while (ISALNUM (*++s)) - ; - if (s[0] == '+' && s[1] == '+' && (s[2] == ')' || s[2] == ',')) - return _("Bad register in postincrement"); - if (s[0] == ',' || s[0] == ')') - return _("Bad register name"); - } - else if (cgen_parse_keyword (cd, strp, & xstormy16_cgen_opval_gr_names, - (long *) valuep) == NULL) - return _("Label conflicts with register name"); - else if (strncasecmp (*strp, "rx,", 3) == 0 - || strncasecmp (*strp, "rxl,", 3) == 0 - || strncasecmp (*strp, "rxh,", 3) == 0) - return _("Label conflicts with `Rx'"); - else if (**strp == '#') - return _("Bad immediate expression"); - - return cgen_parse_unsigned_integer (cd, strp, opindex, valuep); -} - -/* For the add and subtract instructions, there are two immediate forms, - one for small operands and one for large ones. We want to use - the small one when possible, but we do not want to generate relocs - of the small size. This is somewhat tricky. */ - -static const char * -parse_small_immediate (CGEN_CPU_DESC cd, - const char **strp, - int opindex, - unsigned long *valuep) -{ - bfd_vma value; - enum cgen_parse_operand_result result; - const char *errmsg; - - if (**strp == '@') - return _("No relocation for small immediate"); - - errmsg = (* cd->parse_operand_fn) - (cd, CGEN_PARSE_OPERAND_INTEGER, strp, opindex, BFD_RELOC_NONE, - & result, & value); - - if (errmsg) - return errmsg; - - if (result != CGEN_PARSE_OPERAND_RESULT_NUMBER) - return _("Small operand was not an immediate number"); - - *valuep = value; - return NULL; -} - -/* Literal scan be either a normal literal, a @hi() or @lo relocation. */ - -static const char * -parse_immediate16 (CGEN_CPU_DESC cd, - const char **strp, - int opindex, - unsigned long *valuep) -{ - const char *errmsg; - enum cgen_parse_operand_result result; - bfd_reloc_code_real_type code = BFD_RELOC_NONE; - bfd_vma value; - - if (strncmp (*strp, "@hi(", 4) == 0) - { - *strp += 4; - code = BFD_RELOC_HI16; - } - else - if (strncmp (*strp, "@lo(", 4) == 0) - { - *strp += 4; - code = BFD_RELOC_LO16; - } - - if (code == BFD_RELOC_NONE) - errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, valuep); - else - { - errmsg = cgen_parse_address (cd, strp, opindex, code, &result, &value); - if ((errmsg == NULL) && - (result != CGEN_PARSE_OPERAND_RESULT_QUEUED)) - errmsg = _("Operand is not a symbol"); - - *valuep = value; - if ((code == BFD_RELOC_HI16 || code == BFD_RELOC_LO16) - && **strp == ')') - *strp += 1; - else - { - errmsg = _("Syntax error: No trailing ')'"); - return errmsg; - } - } - return errmsg; -} -/* -- */ |