X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Fip2k-ibld.c;h=9258f7d3ad87cd16c6f48b473d6874e751c7e2b0;hb=50d036364fb2a71b3ac9a0b0cdbe58296832a1b2;hp=b09815804578ce424c8ccb4173c0305bdd969742;hpb=f4321104139af96b8cc3d4946b4e5233d9fa1eab;p=deliverable%2Fbinutils-gdb.git diff --git a/opcodes/ip2k-ibld.c b/opcodes/ip2k-ibld.c index b098158045..9258f7d3ad 100644 --- a/opcodes/ip2k-ibld.c +++ b/opcodes/ip2k-ibld.c @@ -1,25 +1,26 @@ +/* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */ /* Instruction building/extraction support for ip2k. -*- C -*- -THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator. -- the resultant file is machine generated, cgen-ibld.in isn't + THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator. + - the resultant file is machine generated, cgen-ibld.in isn't -Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1996-2020 Free Software Foundation, Inc. -This file is part of the GNU Binutils and GDB, the GNU debugger. + This file is part of libopcodes. -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 library 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 3, 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. + It 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. */ @@ -32,12 +33,13 @@ along with this program; if not, write to the Free Software Foundation, Inc., #include "symcat.h" #include "ip2k-desc.h" #include "ip2k-opc.h" +#include "cgen/basic-modes.h" #include "opintl.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)) /* Used by the ifield rtx function. */ @@ -136,13 +138,7 @@ insert_normal (CGEN_CPU_DESC cd, if (length == 0) return NULL; -#if 0 - if (CGEN_INT_INSN_P - && word_offset != 0) - abort (); -#endif - - if (word_length > 32) + if (word_length > 8 * sizeof (CGEN_INSN_INT)) abort (); /* For architectures with insns smaller than the base-insn-bitsize, @@ -159,7 +155,7 @@ insert_normal (CGEN_CPU_DESC cd, { long minval = - (1L << (length - 1)); unsigned long maxval = mask; - + if ((value > 0 && (unsigned long) value > maxval) || value < minval) { @@ -173,13 +169,21 @@ insert_normal (CGEN_CPU_DESC cd, else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)) { unsigned long maxval = mask; - - if ((unsigned long) value > maxval) + unsigned long val = (unsigned long) value; + + /* For hosts with a word size > 32 check to see if value has been sign + extended beyond 32 bits. If so then ignore these higher sign bits + as the user is attempting to store a 32-bit signed value into an + unsigned 32-bit field which is allowed. */ + if (sizeof (unsigned long) > 4 && ((value >> 32) == -1)) + val &= 0xFFFFFFFF; + + if (val > maxval) { /* xgettext:c-format */ sprintf (errbuf, - _("operand out of range (%lu not between 0 and %lu)"), - value, maxval); + _("operand out of range (0x%lx not between 0 and 0x%lx)"), + val, maxval); return errbuf; } } @@ -189,7 +193,7 @@ insert_normal (CGEN_CPU_DESC cd, { long minval = - (1L << (length - 1)); long maxval = (1L << (length - 1)) - 1; - + if (value < minval || value > maxval) { sprintf @@ -204,12 +208,19 @@ insert_normal (CGEN_CPU_DESC cd, #if CGEN_INT_INSN_P { - int shift; + int shift_within_word, shift_to_word, shift; + + /* How to shift the value to BIT0 of the word. */ + shift_to_word = total_length - (word_offset + word_length); + /* How to shift the value to the field within the word. */ if (CGEN_INSN_LSB0_P) - shift = (word_offset + start + 1) - length; + shift_within_word = start + 1 - length; else - shift = total_length - (word_offset + start + length); + shift_within_word = word_length - start - length; + + /* The total SHIFT, then mask in the value. */ + shift = shift_to_word + shift_within_word; *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift); } @@ -286,7 +297,7 @@ insert_insn_normal (CGEN_CPU_DESC cd, #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. */ + because it needs -desc.h for CGEN_INT_INSN_P. */ static void put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, @@ -304,6 +315,7 @@ put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, 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); } } @@ -374,9 +386,7 @@ extract_1 (CGEN_CPU_DESC cd, { 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); if (CGEN_INSN_LSB0_P) @@ -439,22 +449,15 @@ extract_normal (CGEN_CPU_DESC cd, return 1; } -#if 0 - if (CGEN_INT_INSN_P - && word_offset != 0) - abort (); -#endif - - if (word_length > 32) + if (word_length > 8 * sizeof (CGEN_INSN_INT)) abort (); /* For architectures with insns smaller than the insn-base-bitsize, word_length may be too big. */ if (cd->min_insn_bitsize < cd->base_insn_bitsize) { - if (word_offset == 0 - && word_length > total_length) - word_length = total_length; + if (word_offset + word_length > total_length) + word_length = total_length - word_offset; } /* Does the value reside in INSN_VALUE, and at the right alignment? */ @@ -473,11 +476,14 @@ extract_normal (CGEN_CPU_DESC cd, { unsigned char *bufp = ex_info->insn_bytes + word_offset / 8; - if (word_length > 32) + if (word_length > 8 * sizeof (CGEN_INSN_INT)) abort (); if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0) - return 0; + { + *valuep = 0; + return 0; + } value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc); } @@ -539,10 +545,10 @@ extract_insn_normal (CGEN_CPU_DESC cd, return CGEN_INSN_BITSIZE (insn); } -/* machine generated code added here */ +/* Machine generated code added here. */ const char * ip2k_cgen_insert_operand - PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma)); + (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma); /* Main entry point for operand insertion. @@ -559,12 +565,11 @@ const char * ip2k_cgen_insert_operand resolved during parsing. */ const char * -ip2k_cgen_insert_operand (cd, opindex, fields, buffer, pc) - CGEN_CPU_DESC cd; - int opindex; - CGEN_FIELDS * fields; - CGEN_INSN_BYTES_PTR buffer; - bfd_vma pc ATTRIBUTE_UNUSED; +ip2k_cgen_insert_operand (CGEN_CPU_DESC cd, + int opindex, + CGEN_FIELDS * fields, + CGEN_INSN_BYTES_PTR buffer, + bfd_vma pc ATTRIBUTE_UNUSED) { const char * errmsg = NULL; unsigned int total_length = CGEN_FIELDS_BITSIZE (fields); @@ -606,8 +611,9 @@ ip2k_cgen_insert_operand (cd, opindex, fields, buffer, pc) default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while building insn.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while building insn"), + opindex); abort (); } @@ -615,8 +621,7 @@ ip2k_cgen_insert_operand (cd, opindex, fields, buffer, pc) } int ip2k_cgen_extract_operand - PARAMS ((CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, - CGEN_FIELDS *, bfd_vma)); + (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. @@ -634,13 +639,12 @@ int ip2k_cgen_extract_operand the handlers. */ int -ip2k_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc) - CGEN_CPU_DESC cd; - int opindex; - CGEN_EXTRACT_INFO *ex_info; - CGEN_INSN_INT insn_value; - CGEN_FIELDS * fields; - bfd_vma pc; +ip2k_cgen_extract_operand (CGEN_CPU_DESC cd, + int opindex, + CGEN_EXTRACT_INFO *ex_info, + CGEN_INSN_INT insn_value, + CGEN_FIELDS * fields, + bfd_vma pc) { /* Assume success (for those operands that are nops). */ int length = 1; @@ -683,28 +687,27 @@ ip2k_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc) default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while decoding insn"), + opindex); abort (); } return length; } -cgen_insert_fn * const ip2k_cgen_insert_handlers[] = +cgen_insert_fn * const ip2k_cgen_insert_handlers[] = { insert_insn_normal, }; -cgen_extract_fn * const ip2k_cgen_extract_handlers[] = +cgen_extract_fn * const ip2k_cgen_extract_handlers[] = { extract_insn_normal, }; -int ip2k_cgen_get_int_operand - PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *)); -bfd_vma ip2k_cgen_get_vma_operand - PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *)); +int ip2k_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *); +bfd_vma ip2k_cgen_get_vma_operand (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. @@ -712,10 +715,9 @@ bfd_vma ip2k_cgen_get_vma_operand not appropriate. */ int -ip2k_cgen_get_int_operand (cd, opindex, fields) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - int opindex; - const CGEN_FIELDS * fields; +ip2k_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + int opindex, + const CGEN_FIELDS * fields) { int value; @@ -760,8 +762,9 @@ ip2k_cgen_get_int_operand (cd, opindex, fields) default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while getting int operand"), + opindex); abort (); } @@ -769,10 +772,9 @@ ip2k_cgen_get_int_operand (cd, opindex, fields) } bfd_vma -ip2k_cgen_get_vma_operand (cd, opindex, fields) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - int opindex; - const CGEN_FIELDS * fields; +ip2k_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + int opindex, + const CGEN_FIELDS * fields) { bfd_vma value; @@ -817,18 +819,17 @@ ip2k_cgen_get_vma_operand (cd, opindex, fields) default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while getting vma operand"), + opindex); abort (); } return value; } -void ip2k_cgen_set_int_operand - PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, int)); -void ip2k_cgen_set_vma_operand - PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma)); +void ip2k_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int); +void ip2k_cgen_set_vma_operand (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. @@ -836,11 +837,10 @@ void ip2k_cgen_set_vma_operand not appropriate. */ void -ip2k_cgen_set_int_operand (cd, opindex, fields, value) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - int opindex; - CGEN_FIELDS * fields; - int value; +ip2k_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + int opindex, + CGEN_FIELDS * fields, + int value) { switch (opindex) { @@ -879,18 +879,18 @@ ip2k_cgen_set_int_operand (cd, opindex, fields, value) default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while setting int operand"), + opindex); abort (); } } void -ip2k_cgen_set_vma_operand (cd, opindex, fields, value) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - int opindex; - CGEN_FIELDS * fields; - bfd_vma value; +ip2k_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + int opindex, + CGEN_FIELDS * fields, + bfd_vma value) { switch (opindex) { @@ -929,8 +929,9 @@ ip2k_cgen_set_vma_operand (cd, opindex, fields, value) default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while setting vma operand"), + opindex); abort (); } } @@ -938,8 +939,7 @@ ip2k_cgen_set_vma_operand (cd, opindex, fields, value) /* Function to call before using the instruction builder tables. */ void -ip2k_cgen_init_ibld_table (cd) - CGEN_CPU_DESC cd; +ip2k_cgen_init_ibld_table (CGEN_CPU_DESC cd) { cd->insert_handlers = & ip2k_cgen_insert_handlers[0]; cd->extract_handlers = & ip2k_cgen_extract_handlers[0];