X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=cpu%2Fm32r.opc;h=cb11d58186ec7fa09069e13966ec1d32055976ad;hb=2c06b7a64822640e16e928910d88ee1a9794bad0;hp=6764223f2bf43b87d47ca33c81aa13b5c25cd67f;hpb=8ee9a8b2e70a9b650d1a60aa71b61936efa67c6a;p=deliverable%2Fbinutils-gdb.git diff --git a/cpu/m32r.opc b/cpu/m32r.opc index 6764223f2b..cb11d58186 100644 --- a/cpu/m32r.opc +++ b/cpu/m32r.opc @@ -1,19 +1,16 @@ /* M32R opcode support. -*- C -*- - Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc. + Copyright 1998, 1999, 2000, 2001, 2004, 2005, 2007 + Free Software Foundation, Inc. Contributed by Red Hat Inc; developed under contract from Mitsubishi Electric Corporation. This file is part of the GNU Binutils. - Contributed by Red Hat Inc; developed under contract from Fujitsu. - - 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 2 of the License, or + 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, @@ -23,9 +20,9 @@ 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. + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ -*/ /* This file is an addendum to m32r.cpu. Heavy use of C code isn't appropriate in .cpu files, so it resides here. This especially applies @@ -40,8 +37,7 @@ -opc.c additions use: "-- opc.c" -asm.c additions use: "-- asm.c" -dis.c additions use: "-- dis.c" - -ibd.h additions use: "-- ibd.h" -*/ + -ibd.h additions use: "-- ibd.h" */ /* -- opc.h */ @@ -57,56 +53,46 @@ : X (buffer) == 0x30 ? ((((unsigned char *) (buffer))[1] & 0x70) >> 4) \ : ((((unsigned char *) (buffer))[1] & 0xf0) >> 4))) #else -#define CGEN_DIS_HASH(buffer, value) m32r_cgen_dis_hash(buffer, value) -extern unsigned int m32r_cgen_dis_hash(const char *, CGEN_INSN_INT); +#define CGEN_DIS_HASH(buffer, value) m32r_cgen_dis_hash (buffer, value) +extern unsigned int m32r_cgen_dis_hash (const char *, CGEN_INSN_INT); #endif /* -- */ /* -- opc.c */ unsigned int -m32r_cgen_dis_hash (buf, value) - const char * buf ATTRIBUTE_UNUSED; - CGEN_INSN_INT value; +m32r_cgen_dis_hash (const char * buf ATTRIBUTE_UNUSED, CGEN_INSN_INT value) { unsigned int x; - - if (value & 0xffff0000) /* 32bit instructions */ + + if (value & 0xffff0000) /* 32bit instructions. */ value = (value >> 16) & 0xffff; - - x = (value>>8) & 0xf0; + + x = (value >> 8) & 0xf0; if (x == 0x40 || x == 0xe0 || x == 0x60 || x == 0x50) return x; - + if (x == 0x70 || x == 0xf0) - return x | ((value>>8) & 0x0f); - + return x | ((value >> 8) & 0x0f); + if (x == 0x30) return x | ((value & 0x70) >> 4); else return x | ((value & 0xf0) >> 4); } - + /* -- */ /* -- asm.c */ -static const char * parse_hash - PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); -static const char * parse_hi16 - PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); -static const char * parse_slo16 - PARAMS ((CGEN_CPU_DESC, const char **, int, long *)); -static const char * parse_ulo16 - PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); +static const char * MISSING_CLOSING_PARENTHESIS = N_("missing `)'"); /* Handle '#' prefixes (i.e. skip over them). */ static const char * -parse_hash (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - const char **strp; - int opindex ATTRIBUTE_UNUSED; - unsigned long *valuep ATTRIBUTE_UNUSED; +parse_hash (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + const char **strp, + int opindex ATTRIBUTE_UNUSED, + long *valuep ATTRIBUTE_UNUSED) { if (**strp == '#') ++*strp; @@ -116,11 +102,10 @@ parse_hash (cd, strp, opindex, valuep) /* Handle shigh(), high(). */ 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, + unsigned long *valuep) { const char *errmsg; enum cgen_parse_operand_result result_type; @@ -133,13 +118,16 @@ parse_hi16 (cd, strp, opindex, valuep) { *strp += 5; errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_HI16_ULO, - &result_type, &value); + & result_type, & value); if (**strp != ')') - return "missing `)'"; + return MISSING_CLOSING_PARENTHESIS; ++*strp; if (errmsg == NULL - && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) - value >>= 16; + && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) + { + value >>= 16; + value &= 0xffff; + } *valuep = value; return errmsg; } @@ -147,13 +135,17 @@ parse_hi16 (cd, strp, opindex, valuep) { *strp += 6; errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_HI16_SLO, - &result_type, &value); + & result_type, & value); if (**strp != ')') - return "missing `)'"; + return MISSING_CLOSING_PARENTHESIS; ++*strp; if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) - value = (value >> 16) + (value & 0x8000 ? 1 : 0); + { + value += 0x8000; + value >>= 16; + value &= 0xffff; + } *valuep = value; return errmsg; } @@ -166,11 +158,10 @@ parse_hi16 (cd, strp, opindex, valuep) handles the case where low() isn't present. */ static const char * -parse_slo16 (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - long *valuep; +parse_slo16 (CGEN_CPU_DESC cd, + const char ** strp, + int opindex, + long * valuep) { const char *errmsg; enum cgen_parse_operand_result result_type; @@ -183,17 +174,13 @@ parse_slo16 (cd, strp, opindex, valuep) { *strp += 4; errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_LO16, - &result_type, &value); + & result_type, & value); if (**strp != ')') - return "missing `)'"; + return MISSING_CLOSING_PARENTHESIS; ++*strp; if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) - { - value &= 0xffff; - if (value & 0x8000) - value |= 0xffff0000; - } + value = ((value & 0xffff) ^ 0x8000) - 0x8000; *valuep = value; return errmsg; } @@ -202,9 +189,9 @@ parse_slo16 (cd, strp, opindex, valuep) { *strp += 4; errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_SDA16, - NULL, &value); + NULL, & value); if (**strp != ')') - return "missing `)'"; + return MISSING_CLOSING_PARENTHESIS; ++*strp; *valuep = value; return errmsg; @@ -218,11 +205,10 @@ parse_slo16 (cd, strp, opindex, valuep) handles the case where low() isn't present. */ static const char * -parse_ulo16 (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - unsigned long *valuep; +parse_ulo16 (CGEN_CPU_DESC cd, + const char **strp, + int opindex, + unsigned long *valuep) { const char *errmsg; enum cgen_parse_operand_result result_type; @@ -235,9 +221,9 @@ parse_ulo16 (cd, strp, opindex, valuep) { *strp += 4; errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_LO16, - &result_type, &value); + & result_type, & value); if (**strp != ')') - return "missing `)'"; + return MISSING_CLOSING_PARENTHESIS; ++*strp; if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) @@ -252,31 +238,28 @@ parse_ulo16 (cd, strp, opindex, valuep) /* -- */ /* -- dis.c */ -static void print_hash PARAMS ((CGEN_CPU_DESC, PTR, long, unsigned, bfd_vma, int)); -static int my_print_insn PARAMS ((CGEN_CPU_DESC, bfd_vma, disassemble_info *)); - /* Immediate values are prefixed with '#'. */ #define CGEN_PRINT_NORMAL(cd, info, value, attrs, pc, length) \ do \ { \ if (CGEN_BOOL_ATTR ((attrs), CGEN_OPERAND_HASH_PREFIX)) \ - (*info->fprintf_func) (info->stream, "#"); \ + (*info->fprintf_func) (info->stream, "#"); \ } \ while (0) /* Handle '#' prefixes as operands. */ static void -print_hash (cd, dis_info, value, attrs, pc, length) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - PTR dis_info; - long value ATTRIBUTE_UNUSED; - unsigned int attrs ATTRIBUTE_UNUSED; - bfd_vma pc ATTRIBUTE_UNUSED; - int length ATTRIBUTE_UNUSED; +print_hash (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) { disassemble_info *info = (disassemble_info *) dis_info; + (*info->fprintf_func) (info->stream, "#"); } @@ -284,22 +267,21 @@ print_hash (cd, dis_info, value, attrs, pc, length) #define CGEN_PRINT_INSN my_print_insn static int -my_print_insn (cd, pc, info) - CGEN_CPU_DESC cd; - bfd_vma pc; - disassemble_info *info; +my_print_insn (CGEN_CPU_DESC cd, + bfd_vma pc, + disassemble_info *info) { - char buffer[CGEN_MAX_INSN_SIZE]; - char *buf = buffer; + bfd_byte buffer[CGEN_MAX_INSN_SIZE]; + bfd_byte *buf = buffer; int status; int buflen = (pc & 3) == 0 ? 4 : 2; int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG; - char *x; + bfd_byte *x; /* Read the base part of the insn. */ status = (*info->read_memory_func) (pc - ((!big_p && (pc & 3) != 0) ? 2 : 0), - buf, buflen, info); + buf, buflen, info); if (status != 0) { (*info->memory_error_func) (status, pc, info);