diff options
Diffstat (limited to 'opcodes/iq2000-asm.c')
| -rw-r--r-- | opcodes/iq2000-asm.c | 191 |
1 files changed, 77 insertions, 114 deletions
diff --git a/opcodes/iq2000-asm.c b/opcodes/iq2000-asm.c index 32991d6..0bbb4ae 100644 --- a/opcodes/iq2000-asm.c +++ b/opcodes/iq2000-asm.c @@ -1,26 +1,27 @@ /* 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 + Free Software Foundation, Inc. -This file is part of the GNU Binutils and GDB, the GNU debugger. + This file is part of the GNU Binutils and GDB, the GNU debugger. -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 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 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. + 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. */ + 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. */ /* ??? Eventually more and more of this stuff can go to cpu-independent files. Keep that in mind. */ @@ -51,30 +52,24 @@ static const char * parse_insn_normal #include "safe-ctype.h" -static int iq2000_cgen_isa_register PARAMS ((const char **)); -static const char * parse_jtargq10 PARAMS ((CGEN_CPU_DESC, const char **, int, int, enum cgen_parse_operand_result *, bfd_vma *)); -static const char * parse_mimm PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); -static const char * parse_imm 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_lo16 PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); -static const char * parse_mlo16 PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); +static const char * MISSING_CLOSING_PARENTHESIS = N_("missing `)'"); + +/* Special check to ensure that instruction exists for given machine. */ -/* Special check to ensure that instruction exists for given machine */ int -iq2000_cgen_insn_supported (cd, insn) - CGEN_CPU_DESC cd; - const CGEN_INSN *insn; +iq2000_cgen_insn_supported (CGEN_CPU_DESC cd, const CGEN_INSN *insn) { int machs = cd->machs; - return ((CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH) & machs) != 0); + return (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH) & machs) != 0; } -static int iq2000_cgen_isa_register (strp) - const char **strp; +static int +iq2000_cgen_isa_register (const char **strp) { int len; int ch1, ch2; + if (**strp == 'r' || **strp == 'R') { len = strlen (*strp); @@ -94,7 +89,9 @@ static int iq2000_cgen_isa_register (strp) return 1; } } - if (**strp == '%' && TOLOWER((*strp)[1]) != 'l' && TOLOWER((*strp)[1]) != 'h') + if (**strp == '%' + && TOLOWER ((*strp)[1]) != 'l' + && TOLOWER ((*strp)[1]) != 'h') return 1; return 0; } @@ -102,11 +99,10 @@ static int iq2000_cgen_isa_register (strp) /* Handle negated literal. */ static const char * -parse_mimm (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - unsigned long *valuep; +parse_mimm (CGEN_CPU_DESC cd, + const char **strp, + int opindex, + unsigned long *valuep) { const char *errmsg; @@ -134,11 +130,10 @@ parse_mimm (cd, strp, opindex, valuep) /* Handle signed/unsigned literal. */ static const char * -parse_imm (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - unsigned long *valuep; +parse_imm (CGEN_CPU_DESC cd, + const char **strp, + int opindex, + unsigned long *valuep) { const char *errmsg; @@ -152,6 +147,7 @@ parse_imm (cd, strp, opindex, valuep) if (errmsg == NULL) { long x = value & 0xFFFF0000; + if (x != 0 && x != (long) 0xFFFF0000) errmsg = _("immediate value out of range"); else @@ -164,23 +160,23 @@ parse_imm (cd, strp, opindex, valuep) /* Handle iq10 21-bit jmp offset. */ static const char * -parse_jtargq10 (cd, strp, opindex, reloc, type_addr, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - int reloc ATTRIBUTE_UNUSED; - enum cgen_parse_operand_result *type_addr ATTRIBUTE_UNUSED; - bfd_vma *valuep; +parse_jtargq10 (CGEN_CPU_DESC cd, + const char **strp, + int opindex, + int reloc ATTRIBUTE_UNUSED, + enum cgen_parse_operand_result *type_addr ATTRIBUTE_UNUSED, + bfd_vma *valuep) { const char *errmsg; bfd_vma value; enum cgen_parse_operand_result result_type = CGEN_PARSE_OPERAND_RESULT_NUMBER; errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_IQ2000_OFFSET_21, - &result_type, &value); + & result_type, & value); if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) { - /* Check value is within 23-bits (remembering that 2-bit shift right will occur). */ + /* Check value is within 23-bits + (remembering that 2-bit shift right will occur). */ if (value > 0x7fffff) return _("21-bit offset out of range"); } @@ -191,11 +187,10 @@ parse_jtargq10 (cd, strp, opindex, reloc, type_addr, valuep) /* Handle 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) { if (strncasecmp (*strp, "%hi(", 4) == 0) { @@ -205,17 +200,17 @@ parse_hi16 (cd, strp, opindex, valuep) *strp += 4; errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16, - &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) { - /* if value has top-bit of %lo on, then it will + /* If value has top-bit of %lo on, then it will sign-propagate and so we compensate by adding - 1 to the resultant %hi value */ + 1 to the resultant %hi value. */ if (value & 0x8000) value += 0x10000; value >>= 16; @@ -225,8 +220,8 @@ parse_hi16 (cd, strp, opindex, valuep) return errmsg; } - /* we add %uhi in case a user just wants the high 16-bits or is using - an insn like ori for %lo which does not sign-propagate */ + /* We add %uhi in case a user just wants the high 16-bits or is using + an insn like ori for %lo which does not sign-propagate. */ if (strncasecmp (*strp, "%uhi(", 5) == 0) { enum cgen_parse_operand_result result_type; @@ -235,16 +230,15 @@ parse_hi16 (cd, strp, opindex, valuep) *strp += 5; errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_IQ2000_UHI16, - &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; - } + value >>= 16; + *valuep = value; return errmsg; @@ -258,11 +252,10 @@ parse_hi16 (cd, strp, opindex, valuep) handles the case where %lo() isn't present. */ 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) { if (strncasecmp (*strp, "%lo(", 4) == 0) { @@ -272,9 +265,9 @@ parse_lo16 (cd, strp, opindex, valuep) *strp += 4; errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_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) @@ -291,11 +284,10 @@ parse_lo16 (cd, strp, opindex, valuep) handles the case where %lo() isn't present. */ static const char * -parse_mlo16 (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - unsigned long *valuep; +parse_mlo16 (CGEN_CPU_DESC cd, + const char **strp, + int opindex, + long *valuep) { if (strncasecmp (*strp, "%lo(", 4) == 0) { @@ -305,9 +297,9 @@ parse_mlo16 (cd, strp, opindex, valuep) *strp += 4; errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_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) @@ -322,7 +314,7 @@ parse_mlo16 (cd, strp, opindex, valuep) /* -- */ const char * iq2000_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. @@ -338,11 +330,10 @@ const char * iq2000_cgen_parse_operand the handlers. */ const char * -iq2000_cgen_parse_operand (cd, opindex, strp, fields) - CGEN_CPU_DESC cd; - int opindex; - const char ** strp; - CGEN_FIELDS * fields; +iq2000_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. */ @@ -475,8 +466,7 @@ cgen_parse_fn * const iq2000_cgen_parse_handlers[] = }; void -iq2000_cgen_init_asm (cd) - CGEN_CPU_DESC cd; +iq2000_cgen_init_asm (CGEN_CPU_DESC cd) { iq2000_cgen_init_opcode_table (cd); iq2000_cgen_init_ibld_table (cd); @@ -859,30 +849,3 @@ iq2000_cgen_assemble_insn (CGEN_CPU_DESC cd, return NULL; } } - -#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 -iq2000_cgen_asm_hash_keywords (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 (! iq2000_cgen_opval_supported (ke)) - continue; -#endif - cgen_asm_record_register (cd, ke->name, ke->value); - } -} - -#endif /* 0 */ |