X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Fm32r-asm.c;h=8cfc5fdd77b887d696a7ec48559eca7cdfe9d014;hb=47d8304e8837825ab4fd60922b28f30c623f2c02;hp=a12cfd8681ed27b160a8c4e488e532c0e5b70ecc;hpb=fc05c67f12f75f93a4678cbcd8f1ab8c44beae23;p=deliverable%2Fbinutils-gdb.git diff --git a/opcodes/m32r-asm.c b/opcodes/m32r-asm.c index a12cfd8681..8cfc5fdd77 100644 --- a/opcodes/m32r-asm.c +++ b/opcodes/m32r-asm.c @@ -28,7 +28,6 @@ along with this program; if not, write to the Free Software Foundation, Inc., #include "sysdep.h" #include #include "ansidecl.h" -#include "safe-ctype.h" #include "bfd.h" #include "symcat.h" #include "m32r-desc.h" @@ -36,22 +35,27 @@ along with this program; if not, write to the Free Software Foundation, Inc., #include "opintl.h" #include "xregex.h" #include "libiberty.h" +#include "safe-ctype.h" -#undef min +#undef min #define min(a,b) ((a) < (b) ? (a) : (b)) -#undef max +#undef max #define max(a,b) ((a) > (b) ? (a) : (b)) -static const char * parse_insn_normal PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *)); -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 *)); - const char * m32r_cgen_parse_operand PARAMS ((CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *)); +static const char * parse_insn_normal + (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *); -/* -- assembler routines inserted here */ +/* -- assembler routines inserted here. */ /* -- asm.c */ +static const char * parse_hash + PARAMS ((CGEN_CPU_DESC, const char **, int, 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 *)); /* Handle '#' prefixes (i.e. skip over them). */ @@ -60,7 +64,7 @@ parse_hash (cd, strp, opindex, valuep) CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; const char **strp; int opindex ATTRIBUTE_UNUSED; - unsigned long *valuep ATTRIBUTE_UNUSED; + long *valuep ATTRIBUTE_UNUSED; { if (**strp == '#') ++*strp; @@ -107,7 +111,10 @@ parse_hi16 (cd, strp, opindex, valuep) ++*strp; if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) - value = (value >> 16) + (value & 0x8000 ? 1 : 0); + { + value = value + (value & 0x8000 ? 0x10000 : 0); + value >>= 16; + } *valuep = value; return errmsg; } @@ -143,7 +150,11 @@ parse_slo16 (cd, strp, opindex, valuep) ++*strp; if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) - value &= 0xffff; + { + value &= 0xffff; + if (value & 0x8000) + value |= 0xffff0000; + } *valuep = value; return errmsg; } @@ -201,6 +212,9 @@ parse_ulo16 (cd, strp, opindex, valuep) /* -- */ +const char * m32r_cgen_parse_operand + PARAMS ((CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *)); + /* Main entry point for operand parsing. This function is basically just a big switch statement. Earlier versions @@ -212,8 +226,7 @@ parse_ulo16 (cd, strp, opindex, valuep) This function could be moved into `parse_insn_normal', but keeping it separate makes clear the interface between `parse_insn_normal' and each of - the handlers. -*/ + the handlers. */ const char * m32r_cgen_parse_operand (cd, opindex, strp, fields) @@ -224,7 +237,7 @@ m32r_cgen_parse_operand (cd, opindex, strp, fields) { const char * errmsg = NULL; /* Used by scalar operands that still need to be parsed. */ - long junk; + long junk ATTRIBUTE_UNUSED; switch (opindex) { @@ -265,25 +278,25 @@ m32r_cgen_parse_operand (cd, opindex, strp, fields) errmsg = cgen_parse_keyword (cd, strp, & m32r_cgen_opval_gr_names, & fields->f_r1); break; case M32R_OPERAND_HASH : - errmsg = parse_hash (cd, strp, M32R_OPERAND_HASH, &junk); + errmsg = parse_hash (cd, strp, M32R_OPERAND_HASH, (long *) (& junk)); break; case M32R_OPERAND_HI16 : - errmsg = parse_hi16 (cd, strp, M32R_OPERAND_HI16, &fields->f_hi16); + errmsg = parse_hi16 (cd, strp, M32R_OPERAND_HI16, (unsigned long *) (& fields->f_hi16)); break; case M32R_OPERAND_IMM1 : - errmsg = cgen_parse_unsigned_integer (cd, strp, M32R_OPERAND_IMM1, &fields->f_imm1); + errmsg = cgen_parse_unsigned_integer (cd, strp, M32R_OPERAND_IMM1, (unsigned long *) (& fields->f_imm1)); break; case M32R_OPERAND_SCR : errmsg = cgen_parse_keyword (cd, strp, & m32r_cgen_opval_cr_names, & fields->f_r2); break; case M32R_OPERAND_SIMM16 : - errmsg = cgen_parse_signed_integer (cd, strp, M32R_OPERAND_SIMM16, &fields->f_simm16); + errmsg = cgen_parse_signed_integer (cd, strp, M32R_OPERAND_SIMM16, (long *) (& fields->f_simm16)); break; case M32R_OPERAND_SIMM8 : - errmsg = cgen_parse_signed_integer (cd, strp, M32R_OPERAND_SIMM8, &fields->f_simm8); + errmsg = cgen_parse_signed_integer (cd, strp, M32R_OPERAND_SIMM8, (long *) (& fields->f_simm8)); break; case M32R_OPERAND_SLO16 : - errmsg = parse_slo16 (cd, strp, M32R_OPERAND_SLO16, &fields->f_simm16); + errmsg = parse_slo16 (cd, strp, M32R_OPERAND_SLO16, (long *) (& fields->f_simm16)); break; case M32R_OPERAND_SR : errmsg = cgen_parse_keyword (cd, strp, & m32r_cgen_opval_gr_names, & fields->f_r2); @@ -295,7 +308,7 @@ m32r_cgen_parse_operand (cd, opindex, strp, fields) errmsg = cgen_parse_keyword (cd, strp, & m32r_cgen_opval_gr_names, & fields->f_r2); break; case M32R_OPERAND_UIMM16 : - errmsg = cgen_parse_unsigned_integer (cd, strp, M32R_OPERAND_UIMM16, &fields->f_uimm16); + errmsg = cgen_parse_unsigned_integer (cd, strp, M32R_OPERAND_UIMM16, (unsigned long *) (& fields->f_uimm16)); break; case M32R_OPERAND_UIMM24 : { @@ -304,14 +317,20 @@ m32r_cgen_parse_operand (cd, opindex, strp, fields) fields->f_uimm24 = value; } break; + case M32R_OPERAND_UIMM3 : + errmsg = cgen_parse_unsigned_integer (cd, strp, M32R_OPERAND_UIMM3, (unsigned long *) (& fields->f_uimm3)); + break; case M32R_OPERAND_UIMM4 : - errmsg = cgen_parse_unsigned_integer (cd, strp, M32R_OPERAND_UIMM4, &fields->f_uimm4); + errmsg = cgen_parse_unsigned_integer (cd, strp, M32R_OPERAND_UIMM4, (unsigned long *) (& fields->f_uimm4)); break; case M32R_OPERAND_UIMM5 : - errmsg = cgen_parse_unsigned_integer (cd, strp, M32R_OPERAND_UIMM5, &fields->f_uimm5); + errmsg = cgen_parse_unsigned_integer (cd, strp, M32R_OPERAND_UIMM5, (unsigned long *) (& fields->f_uimm5)); + break; + case M32R_OPERAND_UIMM8 : + errmsg = cgen_parse_unsigned_integer (cd, strp, M32R_OPERAND_UIMM8, (unsigned long *) (& fields->f_uimm8)); break; case M32R_OPERAND_ULO16 : - errmsg = parse_ulo16 (cd, strp, M32R_OPERAND_ULO16, &fields->f_uimm16); + errmsg = parse_ulo16 (cd, strp, M32R_OPERAND_ULO16, (unsigned long *) (& fields->f_uimm16)); break; default : @@ -340,26 +359,22 @@ m32r_cgen_init_asm (cd) -/* - Regex construction routine. +/* Regex construction routine. - This translates an opcode syntax string into a regex string, - by replacing any non-character syntax element (such as an - opcode) with the pattern '.*' + This translates an opcode syntax string into a regex string, + by replacing any non-character syntax element (such as an + opcode) with the pattern '.*' - It then compiles the regex and stores it in the opcode, for - later use by m32r_cgen_assemble_insn + It then compiles the regex and stores it in the opcode, for + later use by m32r_cgen_assemble_insn - returns NULL for success, an error message for failure -*/ + Returns NULL for success, an error message for failure. */ char * -m32r_cgen_build_insn_regex (insn) - CGEN_INSN *insn; +m32r_cgen_build_insn_regex (CGEN_INSN *insn) { CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn); const char *mnem = CGEN_INSN_MNEMONIC (insn); - int mnem_len; char rxbuf[CGEN_MAX_RX_ELEMENTS]; char *rx = rxbuf; const CGEN_SYNTAX_CHAR_TYPE *syn; @@ -367,72 +382,100 @@ m32r_cgen_build_insn_regex (insn) syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc)); - /* Mnemonics come first in the syntax string */ - if (! CGEN_SYNTAX_MNEMONIC_P (* syn)) return "missing mnemonic in syntax string"; + /* Mnemonics come first in the syntax string. */ + if (! CGEN_SYNTAX_MNEMONIC_P (* syn)) + return _("missing mnemonic in syntax string"); ++syn; - /* copy the literal mnemonic out of the insn */ - memset (rx, 0, CGEN_MAX_RX_ELEMENTS); - mnem_len = strlen(mnem); - memcpy (rx, mnem, mnem_len); - rx += mnem_len; + /* Generate a case sensitive regular expression that emulates case + insensitive matching in the "C" locale. We cannot generate a case + insensitive regular expression because in Turkish locales, 'i' and 'I' + are not equal modulo case conversion. */ + + /* Copy the literal mnemonic out of the insn. */ + for (; *mnem; mnem++) + { + char c = *mnem; + + if (ISALPHA (c)) + { + *rx++ = '['; + *rx++ = TOLOWER (c); + *rx++ = TOUPPER (c); + *rx++ = ']'; + } + else + *rx++ = c; + } - /* copy any remaining literals from the syntax string into the rx */ - for(; * syn != 0 && rx < rxbuf + (CGEN_MAX_RX_ELEMENTS - 9); ++syn, ++rx) + /* Copy any remaining literals from the syntax string into the rx. */ + for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn) { if (CGEN_SYNTAX_CHAR_P (* syn)) { - char tmp = CGEN_SYNTAX_CHAR (* syn); - switch (tmp) - { - /* escape any regex metacharacters in the syntax */ - case '.': case '[': case '\\': - case '*': case '^': case '$': + char c = CGEN_SYNTAX_CHAR (* syn); + + switch (c) + { + /* Escape any regex metacharacters in the syntax. */ + case '.': case '[': case '\\': + case '*': case '^': case '$': #ifdef CGEN_ESCAPE_EXTENDED_REGEX - case '?': case '{': case '}': - case '(': case ')': case '*': - case '|': case '+': case ']': + case '?': case '{': case '}': + case '(': case ')': case '*': + case '|': case '+': case ']': #endif - - * rx++ = '\\'; - break; - } - /* insert syntax char into rx */ - * rx = tmp; + *rx++ = '\\'; + *rx++ = c; + break; + + default: + if (ISALPHA (c)) + { + *rx++ = '['; + *rx++ = TOLOWER (c); + *rx++ = TOUPPER (c); + *rx++ = ']'; + } + else + *rx++ = c; + break; + } } else { - /* replace non-syntax fields with globs */ - * rx = '.'; - * ++rx = '*'; + /* Replace non-syntax fields with globs. */ + *rx++ = '.'; + *rx++ = '*'; } } - /* trailing whitespace ok */ + /* Trailing whitespace ok. */ * rx++ = '['; * rx++ = ' '; * rx++ = '\t'; * rx++ = ']'; * rx++ = '*'; - /* but anchor it after that */ + /* But anchor it after that. */ * rx++ = '$'; * rx = '\0'; CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t)); - reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB|REG_ICASE); + reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB); if (reg_err == 0) return NULL; else { static char msg[80]; + regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80); regfree ((regex_t *) CGEN_INSN_RX (insn)); free (CGEN_INSN_RX (insn)); (CGEN_INSN_RX (insn)) = NULL; - return msg; + return msg; } } @@ -448,15 +491,13 @@ m32r_cgen_build_insn_regex (insn) but that can be handled there. Not handling backtracking here may get expensive in the case of the m68k. Deal with later. - Returns NULL for success, an error message for failure. -*/ + Returns NULL for success, an error message for failure. */ static const char * -parse_insn_normal (cd, insn, strp, fields) - CGEN_CPU_DESC cd; - const CGEN_INSN *insn; - const char **strp; - CGEN_FIELDS *fields; +parse_insn_normal (CGEN_CPU_DESC cd, + const CGEN_INSN *insn, + const char **strp, + CGEN_FIELDS *fields) { /* ??? Runtime added insns not handled yet. */ const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); @@ -481,7 +522,7 @@ parse_insn_normal (cd, insn, strp, fields) return _("unrecognized instruction"); #ifndef CGEN_MNEMONIC_OPERANDS - if (* str && !ISSPACE (* str)) + if (* str && ! ISSPACE (* str)) return _("unrecognized instruction"); #endif @@ -523,6 +564,7 @@ parse_insn_normal (cd, insn, strp, fields) { /* Syntax char didn't match. Can't be this insn. */ static char msg [80]; + /* xgettext:c-format */ sprintf (msg, _("syntax error (expected char `%c', found `%c')"), CGEN_SYNTAX_CHAR(*syn), *str); @@ -532,6 +574,7 @@ parse_insn_normal (cd, insn, strp, fields) { /* Ran out of input. */ static char msg [80]; + /* xgettext:c-format */ sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"), CGEN_SYNTAX_CHAR(*syn)); @@ -541,7 +584,7 @@ parse_insn_normal (cd, insn, strp, fields) } /* We have an operand of some sort. */ - errmsg = m32r_cgen_parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), + errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), &str, fields); if (errmsg) return errmsg; @@ -592,12 +635,11 @@ parse_insn_normal (cd, insn, strp, fields) mind helps keep the design clean. */ const CGEN_INSN * -m32r_cgen_assemble_insn (cd, str, fields, buf, errmsg) - CGEN_CPU_DESC cd; - const char *str; - CGEN_FIELDS *fields; - CGEN_INSN_BYTES_PTR buf; - char **errmsg; +m32r_cgen_assemble_insn (CGEN_CPU_DESC cd, + const char *str, + CGEN_FIELDS *fields, + CGEN_INSN_BYTES_PTR buf, + char **errmsg) { const char *start; CGEN_INSN_LIST *ilist; @@ -614,7 +656,6 @@ m32r_cgen_assemble_insn (cd, str, fields, buf, errmsg) ilist = CGEN_ASM_LOOKUP_INSN (cd, str); /* Keep looking until we find a match. */ - start = str; for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist)) { @@ -622,21 +663,21 @@ m32r_cgen_assemble_insn (cd, str, fields, buf, errmsg) recognized_mnemonic = 1; #ifdef CGEN_VALIDATE_INSN_SUPPORTED - /* not usually needed as unsupported opcodes shouldn't be in the hash lists */ + /* Not usually needed as unsupported opcodes + shouldn't be in the hash lists. */ /* Is this insn supported by the selected cpu? */ if (! m32r_cgen_insn_supported (cd, insn)) continue; #endif - - /* If the RELAX attribute is set, this is an insn that shouldn't be + /* If the RELAXED attribute is set, this is an insn that shouldn't be chosen immediately. Instead, it is used during assembler/linker relaxation if possible. */ - if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAX) != 0) + if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0) continue; str = start; - /* skip this insn if str doesn't look right lexically */ + /* Skip this insn if str doesn't look right lexically. */ if (CGEN_INSN_RX (insn) != NULL && regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH) continue; @@ -648,7 +689,7 @@ m32r_cgen_assemble_insn (cd, str, fields, buf, errmsg) if (parse_errmsg != NULL) continue; - /* ??? 0 is passed for `pc' */ + /* ??? 0 is passed for `pc'. */ insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf, (bfd_vma) 0); if (insert_errmsg != NULL) @@ -665,10 +706,11 @@ m32r_cgen_assemble_insn (cd, str, fields, buf, errmsg) const char *tmp_errmsg; /* If requesting verbose error messages, use insert_errmsg. - Failing that, use parse_errmsg */ + Failing that, use parse_errmsg. */ tmp_errmsg = (insert_errmsg ? insert_errmsg : parse_errmsg ? parse_errmsg : - recognized_mnemonic ? _("unrecognized form of instruction") : + recognized_mnemonic ? + _("unrecognized form of instruction") : _("unrecognized instruction")); if (strlen (start) > 50) @@ -701,9 +743,7 @@ m32r_cgen_assemble_insn (cd, str, fields, buf, errmsg) FIXME: Not currently used. */ void -m32r_cgen_asm_hash_keywords (cd, opvals) - CGEN_CPU_DESC cd; - CGEN_KEYWORD *opvals; +m32r_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;