diff options
Diffstat (limited to 'cpu/openrisc.opc')
| -rw-r--r-- | cpu/openrisc.opc | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/cpu/openrisc.opc b/cpu/openrisc.opc deleted file mode 100644 index 291be51..0000000 --- a/cpu/openrisc.opc +++ /dev/null @@ -1,164 +0,0 @@ -/* OpenRISC opcode support. -*- C -*- - Copyright 2000, 2001, 2003, 2005, 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 or32.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 */ -#undef CGEN_DIS_HASH_SIZE -#define CGEN_DIS_HASH_SIZE 64 -#undef CGEN_DIS_HASH -#define CGEN_DIS_HASH(buffer, value) (((unsigned char *) (buffer))[0] >> 2) - -extern long openrisc_sign_extend_16bit (long); -/* -- */ - -/* -- opc.c */ -/* -- */ - -/* -- asm.c */ - -static const char * MISSING_CLOSING_PARENTHESIS = N_("missing `)'"); - -#define CGEN_VERBOSE_ASSEMBLER_ERRORS - -long -openrisc_sign_extend_16bit (long value) -{ - return ((value & 0xffff) ^ 0x8000) - 0x8000; -} - -/* Handle hi(). */ - -static const char * -parse_hi16 (CGEN_CPU_DESC cd, const char ** strp, int opindex, long * valuep) -{ - const char *errmsg; - enum cgen_parse_operand_result result_type; - unsigned long ret; - - if (**strp == '#') - ++*strp; - - if (strncasecmp (*strp, "hi(", 3) == 0) - { - bfd_vma value; - - *strp += 3; - errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16, - & result_type, & value); - if (**strp != ')') - return MISSING_CLOSING_PARENTHESIS; - - ++*strp; - if (errmsg == NULL - && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) - value >>= 16; - ret = value; - } - else - { - if (**strp == '-') - { - long value; - - errmsg = cgen_parse_signed_integer (cd, strp, opindex, &value); - ret = value; - } - else - { - unsigned long value; - - errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, &value); - ret = value; - } - } - - *valuep = ((ret & 0xffff) ^ 0x8000) - 0x8000; - return errmsg; -} - -/* Handle lo(). */ - -static const char * -parse_lo16 (CGEN_CPU_DESC cd, const char ** strp, int opindex, long * valuep) -{ - const char *errmsg; - enum cgen_parse_operand_result result_type; - unsigned long ret; - - if (**strp == '#') - ++*strp; - - if (strncasecmp (*strp, "lo(", 3) == 0) - { - bfd_vma value; - - *strp += 3; - errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16, - & result_type, & value); - if (**strp != ')') - return MISSING_CLOSING_PARENTHESIS; - - ++*strp; - ret = value; - } - else - { - if (**strp == '-') - { - long value; - - errmsg = cgen_parse_signed_integer (cd, strp, opindex, &value); - ret = value; - } - else - { - unsigned long value; - - errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, &value); - ret = value; - } - } - - *valuep = ((ret & 0xffff) ^ 0x8000) - 0x8000; - return errmsg; -} - -/* -- */ - -/* -- ibd.h */ -extern long openrisc_sign_extend_16bit (long); - -/* -- */ |