diff options
author | Doug Evans <dje@google.com> | 1998-07-21 20:59:23 +0000 |
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committer | Doug Evans <dje@google.com> | 1998-07-21 20:59:23 +0000 |
commit | fbc8134df62e51a0ce5f91b319214ccb8b74ae6a (patch) | |
tree | a9a41063f72dcd116530daa679b964abb05cf25e /opcodes/cgen-asm.in | |
parent | 5eb29e2c4f39db040605c975b2aaa76f9fed6f82 (diff) | |
download | gdb-fbc8134df62e51a0ce5f91b319214ccb8b74ae6a.zip gdb-fbc8134df62e51a0ce5f91b319214ccb8b74ae6a.tar.gz gdb-fbc8134df62e51a0ce5f91b319214ccb8b74ae6a.tar.bz2 |
* cgen-opc.in (@arch@_cgen_lookup_insn): Update call to
CGEN_EXTRACT_FN.
(@arch@_cgen_get_insn_operands): @arch@_cgen_get_operand renamed to
@arch_cgen_get_int_operand.
* cgen-asm.in (insert_insn_normal): New arg `pc', callers updated.
Update call to @arch@_cgen_insert_operand.
(@arch@_cgen_assemble_insn): Update call to CGEN_INSERT_FN.
* cgen-dis.in (print_normal): Delete use of CGEN_PCREL_OFFSET.
(extract_insn_normal): New arg `pc', callers updated.
Update call to @arch@_cgen_extract_operand.
(print_insn): Update call to CGEN_EXTRACT_FN.
* m32r-opc.h,m32r-opc.c,m32r-asm.c,m32r-dis.c: Regenerate.
Diffstat (limited to 'opcodes/cgen-asm.in')
-rw-r--r-- | opcodes/cgen-asm.in | 59 |
1 files changed, 35 insertions, 24 deletions
diff --git a/opcodes/cgen-asm.in b/opcodes/cgen-asm.in index b714009..681262d 100644 --- a/opcodes/cgen-asm.in +++ b/opcodes/cgen-asm.in @@ -1,7 +1,7 @@ /* Assembler interface for targets using CGEN. -*- C -*- CGEN: Cpu tools GENerator -This file is used to generate @arch@-asm.c. +THIS FILE IS USED TO GENERATE @prefix@-asm.c. Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. @@ -18,8 +18,8 @@ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +along with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "sysdep.h" #include <ctype.h> @@ -27,7 +27,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "ansidecl.h" #include "bfd.h" #include "symcat.h" -#include "@arch@-opc.h" +#include "@prefix@-opc.h" #include "opintl.h" /* ??? The layout of this stuff is still work in progress. @@ -42,7 +42,7 @@ static const char * insert_normal static const char * parse_insn_normal PARAMS ((const CGEN_INSN *, const char **, CGEN_FIELDS *)); static const char * insert_insn_normal - PARAMS ((const CGEN_INSN *, CGEN_FIELDS *, cgen_insn_t *)); + PARAMS ((const CGEN_INSN *, CGEN_FIELDS *, cgen_insn_t *, bfd_vma)); /* -- assembler routines inserted here */ @@ -70,13 +70,21 @@ insert_normal (value, attrs, start, length, total_length, buffer) { bfd_vma x; static char buf[100]; + /* Written this way to avoid undefined behaviour. + Yes, `long' will be bfd_vma but not yet. */ + long mask = (((1L << (length - 1)) - 1) << 1) | 1; + + /* If LENGTH is zero, this operand doesn't contribute to the value. */ + if (length == 0) + return NULL; /* Ensure VALUE will fit. */ - if ((attrs & (1 << CGEN_OPERAND_UNSIGNED)) != 0) + if ((attrs & CGEN_ATTR_MASK (CGEN_OPERAND_UNSIGNED)) != 0) { - unsigned long max = (1 << length) - 1; + unsigned long max = mask; if ((unsigned long) value > max) { + /* xgettext:c-format */ sprintf (buf, _("operand out of range (%lu not between 0 and %lu)"), value, max); return buf; @@ -84,17 +92,20 @@ insert_normal (value, attrs, start, length, total_length, buffer) } else { - long min = - (1 << (length - 1)); - long max = (1 << (length - 1)) - 1; + long min = - (1L << (length - 1)); + long max = (1L << (length - 1)) - 1; if (value < min || value > max) - return sprintf - (buf, _("operand out of range (%ld not between %ld and %ld)"), - value, min, max); + { + sprintf + /* xgettext:c-format */ + (buf, _("operand out of range (%ld not between %ld and %ld)"), + value, min, max); + return buf; + } } #if 0 /*def CGEN_INT_INSN*/ - *buffer |= ((value & ((1 << length) - 1)) - << (total_length - (start + length))); + *buffer |= (value & mask) << (total_length - (start + length)); #else switch (total_length) { @@ -117,8 +128,7 @@ insert_normal (value, attrs, start, length, total_length, buffer) abort (); } - x |= ((value & ((1 << length) - 1)) - << (total_length - (start + length))); + x |= (value & mask) << (total_length - (start + length)); switch (total_length) { @@ -171,6 +181,7 @@ parse_insn_normal (insn, strp, fields) const char * p; const unsigned char * syn; #ifdef CGEN_MNEMONIC_OPERANDS + /* FIXME: wip */ int past_opcode_p; #endif @@ -202,7 +213,6 @@ parse_insn_normal (insn, strp, fields) while (* syn != 0) { /* Non operand chars must match exactly. */ - /* FIXME: Need to better handle whitespace. */ if (CGEN_SYNTAX_CHAR_P (* syn)) { if (*str == CGEN_SYNTAX_CHAR (* syn)) @@ -260,10 +270,11 @@ parse_insn_normal (insn, strp, fields) /* FIXME: change buffer to char *? */ static const char * -insert_insn_normal (insn, fields, buffer) +insert_insn_normal (insn, fields, buffer, pc) const CGEN_INSN * insn; CGEN_FIELDS * fields; cgen_insn_t * buffer; + bfd_vma pc; { const CGEN_SYNTAX * syntax = CGEN_INSN_SYNTAX (insn); bfd_vma value; @@ -312,7 +323,7 @@ insert_insn_normal (insn, fields, buffer) continue; errmsg = @arch@_cgen_insert_operand (CGEN_SYNTAX_FIELD (*syn), fields, - (char *) buffer); + (char *) buffer, pc); if (errmsg) return errmsg; } @@ -364,13 +375,11 @@ const CGEN_INSN * continue; #endif -#if 1 /* FIXME: wip */ /* If the RELAX 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 (insn, CGEN_INSN_RELAX) != 0) continue; -#endif str = start; @@ -381,7 +390,8 @@ const CGEN_INSN * if (! CGEN_PARSE_FN (insn) (insn, & str, fields)) { - if (CGEN_INSERT_FN (insn) (insn, fields, buf) != NULL) + /* ??? 0 is passed for `pc' */ + if (CGEN_INSERT_FN (insn) (insn, fields, buf, (bfd_vma) 0) != NULL) continue; /* It is up to the caller to actually output the insn and any queued relocs. */ @@ -395,10 +405,11 @@ const CGEN_INSN * Need to track why it failed and pick the right one. */ { static char errbuf[100]; - /* xgettext:c-format */ if (strlen (start) > 50) + /* xgettext:c-format */ sprintf (errbuf, _("bad instruction `%.50s...'"), start); - else + else + /* xgettext:c-format */ sprintf (errbuf, _("bad instruction `%.50s'"), start); *errmsg = errbuf; |