diff options
Diffstat (limited to 'opcodes/ip2k-asm.c')
-rw-r--r-- | opcodes/ip2k-asm.c | 158 |
1 files changed, 55 insertions, 103 deletions
diff --git a/opcodes/ip2k-asm.c b/opcodes/ip2k-asm.c index 247e8c7..4a2408c 100644 --- a/opcodes/ip2k-asm.c +++ b/opcodes/ip2k-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. */ @@ -49,24 +50,11 @@ static const char * parse_insn_normal /* -- asm.c */ -#define PARSE_FUNC_DECL(name) \ - static const char *name (CGEN_CPU_DESC, const char **, int, long *) -#define PARSE_UFUNC_DECL(name) \ - static const char *name (CGEN_CPU_DESC, const char **, int, unsigned long *) - -PARSE_UFUNC_DECL (parse_fr); -PARSE_UFUNC_DECL (parse_addr16); -PARSE_UFUNC_DECL (parse_addr16_cjp); -PARSE_FUNC_DECL (parse_lit8); -PARSE_UFUNC_DECL (parse_bit3); - - static const char * -parse_fr (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - unsigned long *valuep; +parse_fr (CGEN_CPU_DESC cd, + const char **strp, + int opindex, + unsigned long *valuep) { const char *errmsg; const char *old_strp; @@ -77,7 +65,7 @@ parse_fr (cd, strp, opindex, valuep) bfd_vma tempvalue; old_strp = *strp; - afteroffset = NULL; + afteroffset = NULL; /* Check here to see if you're about to try parsing a w as the first arg and return an error if you are. */ @@ -155,7 +143,7 @@ parse_fr (cd, strp, opindex, valuep) { /* Value is ok. Fix up the first 2 bits and return. */ *valuep = 0x0100 | tempvalue; - *strp += 4; /* skip over the (DP) in *strp. */ + *strp += 4; /* Skip over the (DP) in *strp. */ return errmsg; } else @@ -196,7 +184,7 @@ parse_fr (cd, strp, opindex, valuep) { /* Value is ok. Fix up the first 2 bits and return. */ *valuep = 0x0180 | tempvalue; - *strp += 4; /* skip over the (SP) in *strp. */ + *strp += 4; /* Skip over the (SP) in *strp. */ return errmsg; } else @@ -217,11 +205,11 @@ parse_fr (cd, strp, opindex, valuep) { *valuep = value; - /* if a parenthesis is found, warn about invalid form. */ + /* If a parenthesis is found, warn about invalid form. */ if (**strp == '(') errmsg = _("illegal use of parentheses"); - /* if a numeric value is specified, ensure that it is between + /* If a numeric value is specified, ensure that it is between 1 and 255. */ else if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) { @@ -233,11 +221,10 @@ parse_fr (cd, strp, opindex, valuep) } static const char * -parse_addr16 (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - unsigned long *valuep; +parse_addr16 (CGEN_CPU_DESC cd, + const char **strp, + int opindex, + unsigned long *valuep) { const char *errmsg; enum cgen_parse_operand_result result_type; @@ -250,7 +237,7 @@ parse_addr16 (cd, strp, opindex, valuep) code = BFD_RELOC_IP2K_LO8DATA; else { - /* Something is very wrong. opindex has to be one of the above. */ + /* Something is very wrong. opindex has to be one of the above. */ errmsg = _("parse_addr16: invalid opindex."); return errmsg; } @@ -259,13 +246,14 @@ parse_addr16 (cd, strp, opindex, valuep) & result_type, & value); if (errmsg == NULL) { - /* We either have a relocation or a number now. */ + /* We either have a relocation or a number now. */ if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) { - /* We got a number back. */ + /* We got a number back. */ if (code == BFD_RELOC_IP2K_HI8DATA) value >>= 8; - else /* code = BFD_RELOC_IP2K_LOW8DATA */ + else + /* code = BFD_RELOC_IP2K_LOW8DATA. */ value &= 0x00FF; } *valuep = value; @@ -274,13 +262,11 @@ parse_addr16 (cd, strp, opindex, valuep) return errmsg; } - static const char * -parse_addr16_cjp (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - unsigned long *valuep; +parse_addr16_cjp (CGEN_CPU_DESC cd, + const char **strp, + int opindex, + unsigned long *valuep) { const char *errmsg; enum cgen_parse_operand_result result_type; @@ -301,7 +287,7 @@ parse_addr16_cjp (cd, strp, opindex, valuep) if ((value & 0x1) == 0) /* If the address is even .... */ { if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16CJP) - *valuep = (value >> 1) & 0x1FFF; /* Should mask be 1FFF? */ + *valuep = (value >> 1) & 0x1FFF; /* Should mask be 1FFF? */ else if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16P) *valuep = (value >> 14) & 0x7; } @@ -320,20 +306,18 @@ parse_addr16_cjp (cd, strp, opindex, valuep) return errmsg; } - static const char * -parse_lit8 (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - long *valuep; +parse_lit8 (CGEN_CPU_DESC cd, + const char **strp, + int opindex, + long *valuep) { const char *errmsg; enum cgen_parse_operand_result result_type; bfd_reloc_code_real_type code = BFD_RELOC_NONE; bfd_vma value; - /* Parse %OP relocating operators. */ + /* Parse %OP relocating operators. */ if (strncmp (*strp, "%bank", 5) == 0) { *strp += 5; @@ -364,7 +348,6 @@ parse_lit8 (cd, strp, opindex, valuep) *strp += 8; code = BFD_RELOC_IP2K_HI8INSN; } - /* Parse %op operand. */ if (code != BFD_RELOC_NONE) @@ -382,7 +365,7 @@ parse_lit8 (cd, strp, opindex, valuep) { errmsg = cgen_parse_signed_integer (cd, strp, opindex, valuep); - /* Truncate to eight bits to accept both signed and unsigned input. */ + /* Truncate to eight bits to accept both signed and unsigned input. */ if (errmsg == NULL) *valuep &= 0xFF; } @@ -391,11 +374,10 @@ parse_lit8 (cd, strp, opindex, valuep) } static const char * -parse_bit3 (cd, strp, opindex, valuep) - CGEN_CPU_DESC cd; - const char **strp; - int opindex; - unsigned long *valuep; +parse_bit3 (CGEN_CPU_DESC cd, + const char **strp, + int opindex, + unsigned long *valuep) { const char *errmsg; char mode = 0; @@ -456,11 +438,10 @@ parse_bit3 (cd, strp, opindex, valuep) return errmsg; } - /* -- dis.c */ const char * ip2k_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. @@ -476,11 +457,10 @@ const char * ip2k_cgen_parse_operand the handlers. */ const char * -ip2k_cgen_parse_operand (cd, opindex, strp, fields) - CGEN_CPU_DESC cd; - int opindex; - const char ** strp; - CGEN_FIELDS * fields; +ip2k_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. */ @@ -540,8 +520,7 @@ cgen_parse_fn * const ip2k_cgen_parse_handlers[] = }; void -ip2k_cgen_init_asm (cd) - CGEN_CPU_DESC cd; +ip2k_cgen_init_asm (CGEN_CPU_DESC cd) { ip2k_cgen_init_opcode_table (cd); ip2k_cgen_init_ibld_table (cd); @@ -924,30 +903,3 @@ ip2k_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 -ip2k_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 (! ip2k_cgen_opval_supported (ke)) - continue; -#endif - cgen_asm_record_register (cd, ke->name, ke->value); - } -} - -#endif /* 0 */ |