X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Ffr30-ibld.c;h=b01e483e323abfc7f78099b400f5321537c97c69;hb=909cf6ea0e10b779675091b118b93d3015afa8ed;hp=2aa44589cf2966c3c48def562ff44d1b53937e63;hpb=abd8680d6efd97e7ba848a6392ee3ad72be18cd0;p=deliverable%2Fbinutils-gdb.git diff --git a/opcodes/fr30-ibld.c b/opcodes/fr30-ibld.c index 2aa44589cf..b01e483e32 100644 --- a/opcodes/fr30-ibld.c +++ b/opcodes/fr30-ibld.c @@ -3,7 +3,7 @@ THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator. - the resultant file is machine generated, cgen-ibld.in isn't -Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. +Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU Binutils and GDB, the GNU debugger. @@ -25,7 +25,6 @@ along with this program; if not, write to the Free Software Foundation, Inc., Keep that in mind. */ #include "sysdep.h" -#include #include #include "ansidecl.h" #include "dis-asm.h" @@ -34,6 +33,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., #include "fr30-desc.h" #include "fr30-opc.h" #include "opintl.h" +#include "safe-ctype.h" #undef min #define min(a,b) ((a) < (b) ? (a) : (b)) @@ -44,19 +44,30 @@ along with this program; if not, write to the Free Software Foundation, Inc., #define FLD(f) (fields->f) static const char * insert_normal - PARAMS ((CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int, - unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR)); + (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int, + unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR); static const char * insert_insn_normal - PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, - CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma)); - + (CGEN_CPU_DESC, const CGEN_INSN *, + CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma); static int extract_normal - PARAMS ((CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, - unsigned int, unsigned int, unsigned int, unsigned int, - unsigned int, unsigned int, bfd_vma, long *)); + (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, + unsigned int, unsigned int, unsigned int, unsigned int, + unsigned int, unsigned int, bfd_vma, long *); static int extract_insn_normal - PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *, - CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma)); + (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *, + CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma); +#if CGEN_INT_INSN_P +static void put_insn_int_value + (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT); +#endif +#if ! CGEN_INT_INSN_P +static CGEN_INLINE void insert_1 + (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *); +static CGEN_INLINE int fill_cache + (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma); +static CGEN_INLINE long extract_1 + (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma); +#endif /* Operand insertion. */ @@ -65,44 +76,17 @@ static int extract_insn_normal /* Subroutine of insert_normal. */ static CGEN_INLINE void -insert_1 (cd, value, start, length, word_length, bufp) - CGEN_CPU_DESC cd; - unsigned long value; - int start,length,word_length; - unsigned char *bufp; +insert_1 (CGEN_CPU_DESC cd, + unsigned long value, + int start, + int length, + int word_length, + unsigned char *bufp) { unsigned long x,mask; int shift; - int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG; - switch (word_length) - { - case 8: - x = *bufp; - break; - case 16: - if (big_p) - x = bfd_getb16 (bufp); - else - x = bfd_getl16 (bufp); - break; - case 24: - /* ??? This may need reworking as these cases don't necessarily - want the first byte and the last two bytes handled like this. */ - if (big_p) - x = (bufp[0] << 16) | bfd_getb16 (bufp + 1); - else - x = bfd_getl16 (bufp) | (bufp[2] << 16); - break; - case 32: - if (big_p) - x = bfd_getb32 (bufp); - else - x = bfd_getl32 (bufp); - break; - default : - abort (); - } + x = cgen_get_insn_value (cd, bufp, word_length); /* Written this way to avoid undefined behaviour. */ mask = (((1L << (length - 1)) - 1) << 1) | 1; @@ -112,40 +96,7 @@ insert_1 (cd, value, start, length, word_length, bufp) shift = (word_length - (start + length)); x = (x & ~(mask << shift)) | ((value & mask) << shift); - switch (word_length) - { - case 8: - *bufp = x; - break; - case 16: - if (big_p) - bfd_putb16 (x, bufp); - else - bfd_putl16 (x, bufp); - break; - case 24: - /* ??? This may need reworking as these cases don't necessarily - want the first byte and the last two bytes handled like this. */ - if (big_p) - { - bufp[0] = x >> 16; - bfd_putb16 (x, bufp + 1); - } - else - { - bfd_putl16 (x, bufp); - bufp[2] = x >> 16; - } - break; - case 32: - if (big_p) - bfd_putb32 (x, bufp); - else - bfd_putl32 (x, bufp); - break; - default : - abort (); - } + cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x); } #endif /* ! CGEN_INT_INSN_P */ @@ -167,13 +118,15 @@ insert_1 (cd, value, start, length, word_length, bufp) necessary. */ static const char * -insert_normal (cd, value, attrs, word_offset, start, length, word_length, - total_length, buffer) - CGEN_CPU_DESC cd; - long value; - unsigned int attrs; - unsigned int word_offset, start, length, word_length, total_length; - CGEN_INSN_BYTES_PTR buffer; +insert_normal (CGEN_CPU_DESC cd, + long value, + unsigned int attrs, + unsigned int word_offset, + unsigned int start, + unsigned int length, + unsigned int word_length, + unsigned int total_length, + CGEN_INSN_BYTES_PTR buffer) { static char errbuf[100]; /* Written this way to avoid undefined behaviour. */ @@ -183,9 +136,11 @@ insert_normal (cd, value, attrs, word_offset, start, length, word_length, if (length == 0) return NULL; +#if 0 if (CGEN_INT_INSN_P && word_offset != 0) abort (); +#endif if (word_length > 32) abort (); @@ -200,9 +155,25 @@ insert_normal (cd, value, attrs, word_offset, start, length, word_length, } /* Ensure VALUE will fit. */ - if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)) + if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT)) { + long minval = - (1L << (length - 1)); unsigned long maxval = mask; + + if ((value > 0 && (unsigned long) value > maxval) + || value < minval) + { + /* xgettext:c-format */ + sprintf (errbuf, + _("operand out of range (%ld not between %ld and %lu)"), + value, minval, maxval); + return errbuf; + } + } + else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)) + { + unsigned long maxval = mask; + if ((unsigned long) value > maxval) { /* xgettext:c-format */ @@ -214,15 +185,19 @@ insert_normal (cd, value, attrs, word_offset, start, length, word_length, } else { - long minval = - (1L << (length - 1)); - long maxval = (1L << (length - 1)) - 1; - if (value < minval || value > maxval) + if (! cgen_signed_overflow_ok_p (cd)) { - sprintf - /* xgettext:c-format */ - (errbuf, _("operand out of range (%ld not between %ld and %ld)"), - value, minval, maxval); - return errbuf; + long minval = - (1L << (length - 1)); + long maxval = (1L << (length - 1)) - 1; + + if (value < minval || value > maxval) + { + sprintf + /* xgettext:c-format */ + (errbuf, _("operand out of range (%ld not between %ld and %ld)"), + value, minval, maxval); + return errbuf; + } } } @@ -232,9 +207,9 @@ insert_normal (cd, value, attrs, word_offset, start, length, word_length, int shift; if (CGEN_INSN_LSB0_P) - shift = (start + 1) - length; + shift = (word_offset + start + 1) - length; else - shift = word_length - (start + length); + shift = total_length - (word_offset + start + length); *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift); } @@ -252,23 +227,22 @@ insert_normal (cd, value, attrs, word_offset, start, length, word_length, } /* Default insn builder (insert handler). - The instruction is recorded in CGEN_INT_INSN_P byte order - (meaning that if CGEN_INT_INSN_P BUFFER is an int * and thus the value is - recorded in host byte order, otherwise BUFFER is an array of bytes and the - value is recorded in target byte order). + The instruction is recorded in CGEN_INT_INSN_P byte order (meaning + that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is + recorded in host byte order, otherwise BUFFER is an array of bytes + and the value is recorded in target byte order). The result is an error message or NULL if success. */ static const char * -insert_insn_normal (cd, insn, fields, buffer, pc) - CGEN_CPU_DESC cd; - const CGEN_INSN * insn; - CGEN_FIELDS * fields; - CGEN_INSN_BYTES_PTR buffer; - bfd_vma pc; +insert_insn_normal (CGEN_CPU_DESC cd, + const CGEN_INSN * insn, + CGEN_FIELDS * fields, + CGEN_INSN_BYTES_PTR buffer, + bfd_vma pc) { const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); unsigned long value; - const unsigned char * syn; + const CGEN_SYNTAX_CHAR_TYPE * syn; CGEN_INIT_INSERT (cd); value = CGEN_INSN_BASE_VALUE (insn); @@ -278,12 +252,13 @@ insert_insn_normal (cd, insn, fields, buffer, pc) #if CGEN_INT_INSN_P - *buffer = value; + put_insn_int_value (cd, buffer, cd->base_insn_bitsize, + CGEN_FIELDS_BITSIZE (fields), value); #else - cgen_put_insn_value (cd, buffer, min (cd->base_insn_bitsize, - CGEN_FIELDS_BITSIZE (fields)), + cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize, + (unsigned) CGEN_FIELDS_BITSIZE (fields)), value); #endif /* ! CGEN_INT_INSN_P */ @@ -293,7 +268,7 @@ insert_insn_normal (cd, insn, fields, buffer, pc) e.g. storing a branch displacement that got resolved later. Needs more thought first. */ - for (syn = CGEN_SYNTAX_STRING (syntax); * syn != '\0'; ++ syn) + for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn) { const char *errmsg; @@ -308,6 +283,31 @@ insert_insn_normal (cd, insn, fields, buffer, pc) return NULL; } + +#if CGEN_INT_INSN_P +/* Cover function to store an insn value into an integral insn. Must go here + because it needs -desc.h for CGEN_INT_INSN_P. */ + +static void +put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + CGEN_INSN_BYTES_PTR buf, + int length, + int insn_length, + CGEN_INSN_INT value) +{ + /* For architectures with insns smaller than the base-insn-bitsize, + length may be too big. */ + if (length > insn_length) + *buf = value; + else + { + int shift = insn_length - length; + /* Written this way to avoid undefined behaviour. */ + CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1; + *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift); + } +} +#endif /* Operand extraction. */ @@ -320,15 +320,15 @@ insert_insn_normal (cd, insn, fields, buffer, pc) Returns 1 for success, 0 for failure. */ static CGEN_INLINE int -fill_cache (cd, ex_info, offset, bytes, pc) - CGEN_CPU_DESC cd; - CGEN_EXTRACT_INFO *ex_info; - int offset, bytes; - bfd_vma pc; +fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + CGEN_EXTRACT_INFO *ex_info, + int offset, + int bytes, + bfd_vma pc) { /* It's doubtful that the middle part has already been fetched so we don't optimize that case. kiss. */ - int mask; + unsigned int mask; disassemble_info *info = (disassemble_info *) ex_info->dis_info; /* First do a quick check. */ @@ -364,53 +364,26 @@ fill_cache (cd, ex_info, offset, bytes, pc) /* Subroutine of extract_normal. */ static CGEN_INLINE long -extract_1 (cd, ex_info, start, length, word_length, bufp, pc) - CGEN_CPU_DESC cd; - CGEN_EXTRACT_INFO *ex_info; - int start,length,word_length; - unsigned char *bufp; - bfd_vma pc; +extract_1 (CGEN_CPU_DESC cd, + CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED, + int start, + int length, + int word_length, + unsigned char *bufp, + bfd_vma pc ATTRIBUTE_UNUSED) { - unsigned long x,mask; + unsigned long x; int shift; +#if 0 int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG; +#endif + x = cgen_get_insn_value (cd, bufp, word_length); - switch (word_length) - { - case 8: - x = *bufp; - break; - case 16: - if (big_p) - x = bfd_getb16 (bufp); - else - x = bfd_getl16 (bufp); - break; - case 24: - /* ??? This may need reworking as these cases don't necessarily - want the first byte and the last two bytes handled like this. */ - if (big_p) - x = (bufp[0] << 16) | bfd_getb16 (bufp + 1); - else - x = bfd_getl16 (bufp) | (bufp[2] << 16); - break; - case 32: - if (big_p) - x = bfd_getb32 (bufp); - else - x = bfd_getl32 (bufp); - break; - default : - abort (); - } - - /* Written this way to avoid undefined behaviour. */ - mask = (((1L << (length - 1)) - 1) << 1) | 1; if (CGEN_INSN_LSB0_P) shift = (start + 1) - length; else shift = (word_length - (start + length)); - return (x >> shift) & mask; + return x >> shift; } #endif /* ! CGEN_INT_INSN_P */ @@ -436,17 +409,27 @@ extract_1 (cd, ex_info, start, length, word_length, bufp, pc) necessary. */ static int -extract_normal (cd, ex_info, insn_value, attrs, word_offset, start, length, - word_length, total_length, pc, valuep) - CGEN_CPU_DESC cd; - CGEN_EXTRACT_INFO *ex_info; - CGEN_INSN_INT insn_value; - unsigned int attrs; - unsigned int word_offset, start, length, word_length, total_length; - bfd_vma pc; - long *valuep; +extract_normal (CGEN_CPU_DESC cd, +#if ! CGEN_INT_INSN_P + CGEN_EXTRACT_INFO *ex_info, +#else + CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED, +#endif + CGEN_INSN_INT insn_value, + unsigned int attrs, + unsigned int word_offset, + unsigned int start, + unsigned int length, + unsigned int word_length, + unsigned int total_length, +#if ! CGEN_INT_INSN_P + bfd_vma pc, +#else + bfd_vma pc ATTRIBUTE_UNUSED, +#endif + long *valuep) { - CGEN_INSN_INT value; + long value, mask; /* If LENGTH is zero, this operand doesn't contribute to the value so give it a standard value of zero. */ @@ -456,9 +439,11 @@ extract_normal (cd, ex_info, insn_value, attrs, word_offset, start, length, return 1; } +#if 0 if (CGEN_INT_INSN_P && word_offset != 0) abort (); +#endif if (word_length > 32) abort (); @@ -472,22 +457,14 @@ extract_normal (cd, ex_info, insn_value, attrs, word_offset, start, length, word_length = total_length; } - /* Does the value reside in INSN_VALUE? */ + /* Does the value reside in INSN_VALUE, and at the right alignment? */ - if (word_offset == 0) + if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length)) { - /* Written this way to avoid undefined behaviour. */ - CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1; - if (CGEN_INSN_LSB0_P) - value = insn_value >> ((start + 1) - length); + value = insn_value >> ((word_offset + start + 1) - length); else - value = insn_value >> (word_length - (start + length)); - value &= mask; - /* sign extend? */ - if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED) - && (value & (1L << (length - 1)))) - value |= ~mask; + value = insn_value >> (total_length - ( word_offset + start + length)); } #if ! CGEN_INT_INSN_P @@ -507,6 +484,15 @@ extract_normal (cd, ex_info, insn_value, attrs, word_offset, start, length, #endif /* ! CGEN_INT_INSN_P */ + /* Written this way to avoid undefined behaviour. */ + mask = (((1L << (length - 1)) - 1) << 1) | 1; + + value &= mask; + /* sign extend? */ + if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED) + && (value & (1L << (length - 1)))) + value |= ~mask; + *valuep = value; return 1; @@ -522,16 +508,15 @@ extract_normal (cd, ex_info, insn_value, attrs, word_offset, start, length, been called). */ static int -extract_insn_normal (cd, insn, ex_info, insn_value, fields, pc) - CGEN_CPU_DESC cd; - const CGEN_INSN *insn; - CGEN_EXTRACT_INFO *ex_info; - CGEN_INSN_INT insn_value; - CGEN_FIELDS *fields; - bfd_vma pc; +extract_insn_normal (CGEN_CPU_DESC cd, + const CGEN_INSN *insn, + CGEN_EXTRACT_INFO *ex_info, + CGEN_INSN_INT insn_value, + CGEN_FIELDS *fields, + bfd_vma pc) { const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); - const unsigned char *syn; + const CGEN_SYNTAX_CHAR_TYPE *syn; CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn); @@ -556,6 +541,9 @@ extract_insn_normal (cd, insn, ex_info, insn_value, fields, pc) /* machine generated code added here */ +const char * fr30_cgen_insert_operand + PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma)); + /* Main entry point for operand insertion. This function is basically just a big switch statement. Earlier versions @@ -568,8 +556,7 @@ extract_insn_normal (cd, insn, ex_info, insn_value, fields, pc) 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. It's also needed by GAS to insert operands that couldn't be - resolved during parsing. -*/ + resolved during parsing. */ const char * fr30_cgen_insert_operand (cd, opindex, fields, buffer, pc) @@ -577,7 +564,7 @@ fr30_cgen_insert_operand (cd, opindex, fields, buffer, pc) int opindex; CGEN_FIELDS * fields; CGEN_INSN_BYTES_PTR buffer; - bfd_vma pc; + bfd_vma pc ATTRIBUTE_UNUSED; { const char * errmsg = NULL; unsigned int total_length = CGEN_FIELDS_BITSIZE (fields); @@ -750,6 +737,10 @@ fr30_cgen_insert_operand (cd, opindex, fields, buffer, pc) return errmsg; } +int fr30_cgen_extract_operand + PARAMS ((CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, + CGEN_FIELDS *, bfd_vma)); + /* Main entry point for operand extraction. The result is <= 0 for error, >0 for success. ??? Actual values aren't well defined right now. @@ -763,8 +754,7 @@ fr30_cgen_insert_operand (cd, opindex, fields, buffer, pc) This function could be moved into `print_insn_normal', but keeping it separate makes clear the interface between `print_insn_normal' and each of - the handlers. -*/ + the handlers. */ int fr30_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc) @@ -858,7 +848,9 @@ fr30_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc) case FR30_OPERAND_I20 : { length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 4, 16, total_length, pc, & fields->f_i20_4); + if (length <= 0) break; length = extract_normal (cd, ex_info, insn_value, 0, 16, 0, 16, 16, total_length, pc, & fields->f_i20_16); + if (length <= 0) break; { FLD (f_i20) = ((((FLD (f_i20_4)) << (16))) | (FLD (f_i20_16))); } @@ -962,6 +954,11 @@ cgen_extract_fn * const fr30_cgen_extract_handlers[] = extract_insn_normal, }; +int fr30_cgen_get_int_operand + PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *)); +bfd_vma fr30_cgen_get_vma_operand + PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *)); + /* Getting values from cgen_fields is handled by a collection of functions. They are distinguished by the type of the VALUE argument they return. TODO: floating point, inlining support, remove cases where result type @@ -969,7 +966,7 @@ cgen_extract_fn * const fr30_cgen_extract_handlers[] = int fr30_cgen_get_int_operand (cd, opindex, fields) - CGEN_CPU_DESC cd; + CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; int opindex; const CGEN_FIELDS * fields; { @@ -1098,7 +1095,7 @@ fr30_cgen_get_int_operand (cd, opindex, fields) bfd_vma fr30_cgen_get_vma_operand (cd, opindex, fields) - CGEN_CPU_DESC cd; + CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; int opindex; const CGEN_FIELDS * fields; { @@ -1225,6 +1222,11 @@ fr30_cgen_get_vma_operand (cd, opindex, fields) return value; } +void fr30_cgen_set_int_operand + PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, int)); +void fr30_cgen_set_vma_operand + PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma)); + /* Stuffing values in cgen_fields is handled by a collection of functions. They are distinguished by the type of the VALUE argument they accept. TODO: floating point, inlining support, remove cases where argument type @@ -1232,7 +1234,7 @@ fr30_cgen_get_vma_operand (cd, opindex, fields) void fr30_cgen_set_int_operand (cd, opindex, fields, value) - CGEN_CPU_DESC cd; + CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; int opindex; CGEN_FIELDS * fields; int value; @@ -1354,7 +1356,7 @@ fr30_cgen_set_int_operand (cd, opindex, fields, value) void fr30_cgen_set_vma_operand (cd, opindex, fields, value) - CGEN_CPU_DESC cd; + CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; int opindex; CGEN_FIELDS * fields; bfd_vma value;