/* Assembler interface for targets using CGEN. -*- C -*-
CGEN: Cpu tools GENerator
-THIS FILE IS USED TO GENERATE fr30-asm.c.
+THIS FILE IS MACHINE GENERATED WITH CGEN.
+- the resultant file is machine generated, cgen-asm.in isn't
-Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU Binutils and GDB, the GNU debugger.
along with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+/* ??? Eventually more and more of this stuff can go to cpu-independent files.
+ Keep that in mind. */
+
#include "sysdep.h"
#include <ctype.h>
#include <stdio.h>
#include "ansidecl.h"
#include "bfd.h"
#include "symcat.h"
+#include "fr30-desc.h"
#include "fr30-opc.h"
#include "opintl.h"
#undef max
#define max(a,b) ((a) > (b) ? (a) : (b))
-#undef INLINE
-#ifdef __GNUC__
-#define INLINE __inline__
-#else
-#define INLINE
-#endif
-
-static const char * insert_normal
- PARAMS ((CGEN_OPCODE_DESC, long, unsigned int, int, int, int,
- CGEN_INSN_BYTES_PTR));
static const char * parse_insn_normal
- PARAMS ((CGEN_OPCODE_DESC, const CGEN_INSN *,
- const char **, CGEN_FIELDS *));
-static const char * insert_insn_normal
- PARAMS ((CGEN_OPCODE_DESC, const CGEN_INSN *,
- CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma));
+ PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *));
\f
/* -- assembler routines inserted here */
+
/* -- asm.c */
/* Handle register lists for LDMx and STMx */
+static int
+parse_register_number (strp)
+ const char **strp;
+{
+ int regno;
+ if (**strp < '0' || **strp > '9')
+ return -1; /* error */
+ regno = **strp - '0';
+ ++*strp;
+
+ if (**strp >= '0' && **strp <= '9')
+ {
+ regno = regno * 10 + (**strp - '0');
+ ++*strp;
+ }
+
+ return regno;
+}
+
static const char *
-parse_reglist_low (od, strp, opindex, valuep)
- CGEN_OPCODE_DESC od;
+parse_register_list (cd, strp, opindex, valuep, high_low, load_store)
+ CGEN_CPU_DESC cd;
const char **strp;
int opindex;
unsigned long *valuep;
+ int high_low; /* 0 == high, 1 == low */
+ int load_store; /* 0 == load, 1 == store */
{
+ int regno;
*valuep = 0;
while (**strp && **strp != ')')
{
+ if (**strp != 'R' && **strp != 'r')
+ break;
++*strp;
+
+ regno = parse_register_number (strp);
+ if (regno == -1)
+ return "Register number is not valid";
+ if (regno > 7 && !high_low)
+ return "Register must be between r0 and r7";
+ if (regno < 8 && high_low)
+ return "Register must be between r8 and r15";
+
+ if (high_low)
+ regno -= 8;
+
+ if (load_store) /* mask is reversed for store */
+ *valuep |= 0x80 >> regno;
+ else
+ *valuep |= 1 << regno;
+
+ if (**strp == ',')
+ {
+ if (*(*strp + 1) == ')')
+ break;
+ ++*strp;
+ }
}
- if (!*strp)
+ if (!*strp || **strp != ')')
return "Register list is not valid";
return NULL;
}
static const char *
-parse_reglist_hi (od, strp, opindex, valuep)
- CGEN_OPCODE_DESC od;
+parse_low_register_list_ld (cd, strp, opindex, valuep)
+ CGEN_CPU_DESC cd;
+ const char **strp;
+ int opindex;
+ unsigned long *valuep;
+{
+ return parse_register_list (cd, strp, opindex, valuep, 0/*low*/, 0/*load*/);
+}
+
+static const char *
+parse_hi_register_list_ld (cd, strp, opindex, valuep)
+ CGEN_CPU_DESC cd;
const char **strp;
int opindex;
unsigned long *valuep;
{
- return parse_reglist_low (od, strp, opindex, valuep);
+ return parse_register_list (cd, strp, opindex, valuep, 1/*high*/, 0/*load*/);
+}
+
+static const char *
+parse_low_register_list_st (cd, strp, opindex, valuep)
+ CGEN_CPU_DESC cd;
+ const char **strp;
+ int opindex;
+ unsigned long *valuep;
+{
+ return parse_register_list (cd, strp, opindex, valuep, 0/*low*/, 1/*store*/);
+}
+
+static const char *
+parse_hi_register_list_st (cd, strp, opindex, valuep)
+ CGEN_CPU_DESC cd;
+ const char **strp;
+ int opindex;
+ unsigned long *valuep;
+{
+ return parse_register_list (cd, strp, opindex, valuep, 1/*high*/, 1/*store*/);
}
/* -- */
*/
const char *
-fr30_cgen_parse_operand (od, opindex, strp, fields)
- CGEN_OPCODE_DESC od;
+fr30_cgen_parse_operand (cd, opindex, strp, fields)
+ CGEN_CPU_DESC cd;
int opindex;
const char ** strp;
CGEN_FIELDS * fields;
{
- const char * errmsg;
+ const char * errmsg = NULL;
+ /* Used by scalar operands that still need to be parsed. */
+ long junk;
switch (opindex)
{
- case FR30_OPERAND_RI :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_gr, & fields->f_Ri);
- break;
- case FR30_OPERAND_RJ :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_gr, & fields->f_Rj);
- break;
- case FR30_OPERAND_RIC :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_gr, & fields->f_Ric);
- break;
- case FR30_OPERAND_RJC :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_gr, & fields->f_Rjc);
- break;
case FR30_OPERAND_CRI :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_cr, & fields->f_CRi);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_cr_names, & fields->f_CRi);
break;
case FR30_OPERAND_CRJ :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_cr, & fields->f_CRj);
- break;
- case FR30_OPERAND_RS1 :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_dr, & fields->f_Rs1);
- break;
- case FR30_OPERAND_RS2 :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_dr, & fields->f_Rs2);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_cr_names, & fields->f_CRj);
break;
case FR30_OPERAND_R13 :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_r13, & fields->f_nil);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_r13, & junk);
break;
case FR30_OPERAND_R14 :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_r14, & fields->f_nil);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_r14, & junk);
break;
case FR30_OPERAND_R15 :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_r15, & fields->f_nil);
- break;
- case FR30_OPERAND_PS :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_ps, & fields->f_nil);
- break;
- case FR30_OPERAND_U4 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_U4, &fields->f_u4);
- break;
- case FR30_OPERAND_U4C :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_U4C, &fields->f_u4c);
- break;
- case FR30_OPERAND_M4 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_M4, &fields->f_m4);
- break;
- case FR30_OPERAND_U8 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_U8, &fields->f_u8);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_r15, & junk);
break;
- case FR30_OPERAND_I8 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_I8, &fields->f_i8);
- break;
- case FR30_OPERAND_UDISP6 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_UDISP6, &fields->f_udisp6);
- break;
- case FR30_OPERAND_DISP8 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_DISP8, &fields->f_disp8);
- break;
- case FR30_OPERAND_DISP9 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_DISP9, &fields->f_disp9);
- break;
- case FR30_OPERAND_DISP10 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_DISP10, &fields->f_disp10);
- break;
- case FR30_OPERAND_S10 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_S10, &fields->f_s10);
- break;
- case FR30_OPERAND_U10 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_U10, &fields->f_u10);
- break;
- case FR30_OPERAND_I32 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_I32, &fields->f_i32);
- break;
- case FR30_OPERAND_DIR8 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_DIR8, &fields->f_dir8);
- break;
- case FR30_OPERAND_DIR9 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_DIR9, &fields->f_dir9);
- break;
- case FR30_OPERAND_DIR10 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_DIR10, &fields->f_dir10);
- break;
- case FR30_OPERAND_LABEL9 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_LABEL9, &fields->f_rel9);
- break;
- case FR30_OPERAND_LABEL12 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_LABEL12, &fields->f_rel12);
- break;
- case FR30_OPERAND_REGLIST_LOW :
- errmsg = parse_reglist_low (od, strp, FR30_OPERAND_REGLIST_LOW, &fields->f_reglist_low);
- break;
- case FR30_OPERAND_REGLIST_HI :
- errmsg = parse_reglist_hi (od, strp, FR30_OPERAND_REGLIST_HI, &fields->f_reglist_hi);
- break;
- case FR30_OPERAND_CC :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_CC, &fields->f_cc);
- break;
- case FR30_OPERAND_CCC :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_CCC, &fields->f_ccc);
- break;
-
- default :
- /* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
- abort ();
- }
-
- return errmsg;
-}
-
-/* Main entry point for operand insertion.
-
- This function is basically just a big switch statement. Earlier versions
- used tables to look up the function to use, but
- - if the table contains both assembler and disassembler functions then
- the disassembler contains much of the assembler and vice-versa,
- - there's a lot of inlining possibilities as things grow,
- - using a switch statement avoids the function call overhead.
-
- 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.
-*/
-
-const char *
-fr30_cgen_insert_operand (od, opindex, fields, buffer, pc)
- CGEN_OPCODE_DESC od;
- int opindex;
- CGEN_FIELDS * fields;
- CGEN_INSN_BYTES_PTR buffer;
- bfd_vma pc;
-{
- const char * errmsg;
-
- switch (opindex)
- {
case FR30_OPERAND_RI :
- errmsg = insert_normal (od, fields->f_Ri, 0|(1<<CGEN_OPERAND_UNSIGNED), 12, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
- break;
- case FR30_OPERAND_RJ :
- errmsg = insert_normal (od, fields->f_Rj, 0|(1<<CGEN_OPERAND_UNSIGNED), 8, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Ri);
break;
case FR30_OPERAND_RIC :
- errmsg = insert_normal (od, fields->f_Ric, 0|(1<<CGEN_OPERAND_UNSIGNED), 28, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Ric);
break;
- case FR30_OPERAND_RJC :
- errmsg = insert_normal (od, fields->f_Rjc, 0|(1<<CGEN_OPERAND_UNSIGNED), 24, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
- break;
- case FR30_OPERAND_CRI :
- errmsg = insert_normal (od, fields->f_CRi, 0|(1<<CGEN_OPERAND_UNSIGNED), 28, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_RJ :
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Rj);
break;
- case FR30_OPERAND_CRJ :
- errmsg = insert_normal (od, fields->f_CRj, 0|(1<<CGEN_OPERAND_UNSIGNED), 24, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_RJC :
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Rjc);
break;
case FR30_OPERAND_RS1 :
- errmsg = insert_normal (od, fields->f_Rs1, 0|(1<<CGEN_OPERAND_UNSIGNED), 8, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_dr_names, & fields->f_Rs1);
break;
case FR30_OPERAND_RS2 :
- errmsg = insert_normal (od, fields->f_Rs2, 0|(1<<CGEN_OPERAND_UNSIGNED), 12, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_dr_names, & fields->f_Rs2);
break;
- case FR30_OPERAND_R13 :
- errmsg = insert_normal (od, fields->f_nil, 0, 0, 0, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_CC :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_CC, &fields->f_cc);
break;
- case FR30_OPERAND_R14 :
- errmsg = insert_normal (od, fields->f_nil, 0, 0, 0, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_CCC :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_CCC, &fields->f_ccc);
break;
- case FR30_OPERAND_R15 :
- errmsg = insert_normal (od, fields->f_nil, 0, 0, 0, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_DIR10 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_DIR10, &fields->f_dir10);
break;
- case FR30_OPERAND_PS :
- errmsg = insert_normal (od, fields->f_nil, 0, 0, 0, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_DIR8 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_DIR8, &fields->f_dir8);
break;
- case FR30_OPERAND_U4 :
- errmsg = insert_normal (od, fields->f_u4, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 8, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_DIR9 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_DIR9, &fields->f_dir9);
break;
- case FR30_OPERAND_U4C :
- errmsg = insert_normal (od, fields->f_u4c, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 12, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_DISP10 :
+ errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_DISP10, &fields->f_disp10);
break;
- case FR30_OPERAND_M4 :
- {
- long value = fields->f_m4;
- value = ((value) & (15));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 8, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
- }
+ case FR30_OPERAND_DISP8 :
+ errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_DISP8, &fields->f_disp8);
break;
- case FR30_OPERAND_U8 :
- errmsg = insert_normal (od, fields->f_u8, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 8, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_DISP9 :
+ errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_DISP9, &fields->f_disp9);
break;
- case FR30_OPERAND_I8 :
- errmsg = insert_normal (od, fields->f_i8, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 4, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_I20 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_I20, &fields->f_i20);
break;
- case FR30_OPERAND_UDISP6 :
- {
- long value = fields->f_udisp6;
- value = ((unsigned int) (value) >> (2));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 8, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
- }
+ case FR30_OPERAND_I32 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_I32, &fields->f_i32);
break;
- case FR30_OPERAND_DISP8 :
- errmsg = insert_normal (od, fields->f_disp8, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGNED), 4, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_I8 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_I8, &fields->f_i8);
break;
- case FR30_OPERAND_DISP9 :
+ case FR30_OPERAND_LABEL12 :
{
- long value = fields->f_disp9;
- value = ((int) (value) >> (1));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGNED), 4, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
+ bfd_vma value;
+ errmsg = cgen_parse_address (cd, strp, FR30_OPERAND_LABEL12, 0, NULL, & value);
+ fields->f_rel12 = value;
}
break;
- case FR30_OPERAND_DISP10 :
+ case FR30_OPERAND_LABEL9 :
{
- long value = fields->f_disp10;
- value = ((int) (value) >> (2));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGNED), 4, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
+ bfd_vma value;
+ errmsg = cgen_parse_address (cd, strp, FR30_OPERAND_LABEL9, 0, NULL, & value);
+ fields->f_rel9 = value;
}
break;
- case FR30_OPERAND_S10 :
- {
- long value = fields->f_s10;
- value = ((int) (value) >> (2));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGNED), 8, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
- }
+ case FR30_OPERAND_M4 :
+ errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_M4, &fields->f_m4);
break;
- case FR30_OPERAND_U10 :
- {
- long value = fields->f_u10;
- value = ((unsigned int) (value) >> (2));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 8, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
- }
+ case FR30_OPERAND_PS :
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_ps, & junk);
break;
- case FR30_OPERAND_I32 :
- errmsg = insert_normal (od, fields->f_i32, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGN_OPT)|(1<<CGEN_OPERAND_UNSIGNED), 16, 32, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_REGLIST_HI_LD :
+ errmsg = parse_hi_register_list_ld (cd, strp, FR30_OPERAND_REGLIST_HI_LD, &fields->f_reglist_hi_ld);
break;
- case FR30_OPERAND_DIR8 :
- errmsg = insert_normal (od, fields->f_dir8, 0|(1<<CGEN_OPERAND_UNSIGNED), 8, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_REGLIST_HI_ST :
+ errmsg = parse_hi_register_list_st (cd, strp, FR30_OPERAND_REGLIST_HI_ST, &fields->f_reglist_hi_st);
break;
- case FR30_OPERAND_DIR9 :
- {
- long value = fields->f_dir9;
- value = ((unsigned int) (value) >> (1));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_UNSIGNED), 8, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
- }
+ case FR30_OPERAND_REGLIST_LOW_LD :
+ errmsg = parse_low_register_list_ld (cd, strp, FR30_OPERAND_REGLIST_LOW_LD, &fields->f_reglist_low_ld);
break;
- case FR30_OPERAND_DIR10 :
- {
- long value = fields->f_dir10;
- value = ((unsigned int) (value) >> (2));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_UNSIGNED), 8, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
- }
+ case FR30_OPERAND_REGLIST_LOW_ST :
+ errmsg = parse_low_register_list_st (cd, strp, FR30_OPERAND_REGLIST_LOW_ST, &fields->f_reglist_low_st);
break;
- case FR30_OPERAND_LABEL9 :
- {
- long value = fields->f_rel9;
- value = ((int) (((value) - (((pc) & (-2))))) >> (1));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_SIGNED), 8, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
- }
+ case FR30_OPERAND_S10 :
+ errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_S10, &fields->f_s10);
break;
- case FR30_OPERAND_LABEL12 :
- {
- long value = fields->f_rel12;
- value = ((int) (((value) - (((pc) & (-2))))) >> (1));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_SIGNED), 5, 11, CGEN_FIELDS_BITSIZE (fields), buffer);
- }
+ case FR30_OPERAND_U10 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U10, &fields->f_u10);
break;
- case FR30_OPERAND_REGLIST_LOW :
- errmsg = insert_normal (od, fields->f_reglist_low, 0|(1<<CGEN_OPERAND_UNSIGNED), 8, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_U4 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U4, &fields->f_u4);
break;
- case FR30_OPERAND_REGLIST_HI :
- errmsg = insert_normal (od, fields->f_reglist_hi, 0|(1<<CGEN_OPERAND_UNSIGNED), 8, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_U4C :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U4C, &fields->f_u4c);
break;
- case FR30_OPERAND_CC :
- errmsg = insert_normal (od, fields->f_cc, 0|(1<<CGEN_OPERAND_UNSIGNED), 4, 4, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_U8 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U8, &fields->f_u8);
break;
- case FR30_OPERAND_CCC :
- errmsg = insert_normal (od, fields->f_ccc, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 16, 8, CGEN_FIELDS_BITSIZE (fields), buffer);
+ case FR30_OPERAND_UDISP6 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_UDISP6, &fields->f_udisp6);
break;
default :
/* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
- opindex);
+ fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
abort ();
}
cgen_parse_fn * const fr30_cgen_parse_handlers[] =
{
- 0, /* default */
parse_insn_normal,
};
-cgen_insert_fn * const fr30_cgen_insert_handlers[] =
-{
- 0, /* default */
- insert_insn_normal,
-};
-
void
-fr30_cgen_init_asm (od)
- CGEN_OPCODE_DESC od;
+fr30_cgen_init_asm (cd)
+ CGEN_CPU_DESC cd;
{
+ fr30_cgen_init_opcode_table (cd);
+ fr30_cgen_init_ibld_table (cd);
+ cd->parse_handlers = & fr30_cgen_parse_handlers[0];
+ cd->parse_operand = fr30_cgen_parse_operand;
}
-\f
-#if ! CGEN_INT_INSN_P
-
-/* Subroutine of insert_normal. */
-
-static INLINE void
-insert_1 (od, value, start, length, word_length, bufp)
- CGEN_OPCODE_DESC od;
- unsigned long value;
- int start,length,word_length;
- unsigned char *bufp;
-{
- unsigned long x,mask;
- int shift;
- int big_p = CGEN_OPCODE_INSN_ENDIAN (od) == 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 ();
- }
-
- /* Written this way to avoid undefined behaviour. */
- mask = (((1L << (length - 1)) - 1) << 1) | 1;
- if (CGEN_INSN_LSB0_P)
- shift = start;
- else
- 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 ();
- }
-}
-
-#endif /* ! CGEN_INT_INSN_P */
-
-/* Default insertion routine.
-
- ATTRS is a mask of the boolean attributes.
- START is the starting bit number, architecture origin.
- LENGTH is the length of VALUE in bits.
- TOTAL_LENGTH is the total length of the insn.
-
- The result is an error message or NULL if success. */
-
-/* ??? This duplicates functionality with bfd's howto table and
- bfd_install_relocation. */
-/* ??? For architectures where insns can be representable as ints,
- store insn in `field' struct and add registers, etc. while parsing? */
-/* ??? This doesn't handle bfd_vma's. Create another function when
- necessary. */
-
-static const char *
-insert_normal (od, value, attrs, start, length, total_length, buffer)
- CGEN_OPCODE_DESC od;
- long value;
- unsigned int attrs;
- int start;
- int length;
- int total_length;
- CGEN_INSN_BYTES_PTR buffer;
-{
- static char errbuf[100];
- /* Written this way to avoid undefined behaviour. */
- unsigned 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 & CGEN_ATTR_MASK (CGEN_OPERAND_UNSIGNED)) != 0)
- {
- unsigned long maxval = mask;
- if ((unsigned long) value > maxval)
- {
- /* xgettext:c-format */
- sprintf (errbuf,
- _("operand out of range (%lu not between 0 and %lu)"),
- value, maxval);
- return errbuf;
- }
- }
- else
- {
- 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;
- }
- }
-
-#if CGEN_INT_INSN_P
-
- if (total_length > 32) /* 32 bits in a portable host int */
- abort ();
- {
- int shift;
-
- if (CGEN_INSN_LSB0_P)
- shift = start;
- else
- shift = total_length - (start + length);
- *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
- }
-
-#else
-
- /* FIXME: unfinished and untested */
-
- /* The hard case is probably too slow for the normal cases.
- It's certainly more difficult to understand than the normal case.
- Thus this is split into two. The hard case is defined
- to be when a field straddles a (loosely defined) word boundary
- (??? which may require target specific help to determine). */
-
-#if 0 /*wip*/
-
-#define HARD_CASE_P 0 /* FIXME:wip */
-
- if (HARD_CASE_P)
- {
- unsigned char *bufp = (unsigned char *) buffer;
- int insn_length_left = total_length;
-
- if (CGEN_INSN_LSB0_P)
- {
- int word_offset = (CGEN_INSN_WORD_ENDIAN (od) == CGEN_ENDIAN_BIG
- ? ...
- : start / CGEN_BASE_INSN_BITSIZE);
- bufp += word_offset * (CGEN_BASE_INSN_BITSIZE / 8);
- if (CGEN_INSN_WORD_ENDIAN (od) == CGEN_ENDIAN_BIG)
- else
- start -= word_offset * CGEN_BASE_INSN_BITSIZE;
- }
- else
- {
- int word_offset = (CGEN_INSN_WORD_ENDIAN (od) == CGEN_ENDIAN_BIG
- ? start / CGEN_BASE_INSN_BITSIZE
- : ...);
- bufp += word_offset * (CGEN_BASE_INSN_BITSIZE / 8);
- if (CGEN_INSN_WORD_ENDIAN (od) == CGEN_ENDIAN_BIG)
- start -= word_offset * CGEN_BASE_INSN_BITSIZE;
- else
- }
-
- /* Loop so we handle a field straddling an insn word boundary
- (remember, "insn word boundary" is loosely defined here). */
-
- while (length > 0)
- {
- int this_pass_length = length;
- int this_pass_start = start;
- int this_pass_word_length = min (insn_length_left,
- (CGEN_BASE_INSN_BITSIZE == 8
- ? 32
- : CGEN_BASE_INSN_BITSIZE));
-
- insert_1 (od, value, attrs,
- this_pass_start, this_pass_length, this_pass_word_length,
- bufp);
-
- length -= this_pass_length;
- insn_length_left -= this_pass_word_length;
- if (???)
- {
- value >>= ???;
- start += ???;
- }
- else
- {
- value >>= ???;
- start += ???;
- }
- bufp += this_pass_word_length / 8;
- }
- }
- else
-#endif /* 0 */
- {
- unsigned char *bufp = (unsigned char *) buffer;
-
- if (length > 32)
- abort ();
-
- /* Adjust start,total_length,bufp to point to the pseudo-word that holds
- the value. For example in a 48 bit insn where the value to insert
- (say an immediate value) is the last 16 bits then fetch_length here
- would be 16. To handle a 24 bit insn with an 18 bit immediate,
- insert_1 handles 24 bits. */
-
- if (total_length > 32)
- {
- int needed_width = start % 8 + length;
- int fetch_length = (needed_width <= 8 ? 8
- : needed_width <= 16 ? 16
- : 32);
-
- if (CGEN_INSN_LSB0_P)
- {
- if (CGEN_INSN_WORD_ENDIAN (od) == CGEN_ENDIAN_BIG)
- {
- abort (); /* wip */
- }
- else
- {
- int offset = start & ~7;
-
- bufp += offset / 8;
- start -= offset;
- total_length = fetch_length;
- }
- }
- else
- {
- if (CGEN_INSN_WORD_ENDIAN (od) == CGEN_ENDIAN_BIG)
- {
- int offset = start & ~7;
-
- bufp += offset / 8;
- start -= offset;
- total_length = fetch_length;
- }
- else
- {
- abort (); /* wip */
- }
- }
- }
-
- insert_1 (od, value, start, length, total_length, bufp);
- }
-
-#endif /* ! CGEN_INT_INSN_P */
-
- return NULL;
-}
\f
/* Default insn parser.
*/
static const char *
-parse_insn_normal (od, insn, strp, fields)
- CGEN_OPCODE_DESC od;
- const CGEN_INSN * insn;
- const char ** strp;
- CGEN_FIELDS * fields;
+parse_insn_normal (cd, insn, strp, fields)
+ CGEN_CPU_DESC cd;
+ const CGEN_INSN *insn;
+ const char **strp;
+ CGEN_FIELDS *fields;
{
- const CGEN_SYNTAX * syntax = CGEN_INSN_SYNTAX (insn);
- const char * str = *strp;
- const char * errmsg;
- const char * p;
+ /* ??? Runtime added insns not handled yet. */
+ const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
+ const char *str = *strp;
+ const char *errmsg;
+ const char *p;
const unsigned char * syn;
#ifdef CGEN_MNEMONIC_OPERANDS
/* FIXME: wip */
p = CGEN_INSN_MNEMONIC (insn);
while (*p && tolower (*p) == tolower (*str))
++p, ++str;
-
- if (* p || (* str && !isspace (* str)))
+
+ if (* p)
return _("unrecognized instruction");
- CGEN_INIT_PARSE (od);
- cgen_init_parse_operand (od);
+#ifndef CGEN_MNEMONIC_OPERANDS
+ if (* str && !isspace (* str))
+ return _("unrecognized instruction");
+#endif
+
+ CGEN_INIT_PARSE (cd);
+ cgen_init_parse_operand (cd);
#ifdef CGEN_MNEMONIC_OPERANDS
past_opcode_p = 0;
#endif
/* Non operand chars must match exactly. */
if (CGEN_SYNTAX_CHAR_P (* syn))
{
+ /* FIXME: While we allow for non-GAS callers above, we assume the
+ first char after the mnemonic part is a space. */
+ /* FIXME: We also take inappropriate advantage of the fact that
+ GAS's input scrubber will remove extraneous blanks. */
if (*str == CGEN_SYNTAX_CHAR (* syn))
{
#ifdef CGEN_MNEMONIC_OPERANDS
}
/* We have an operand of some sort. */
- errmsg = fr30_cgen_parse_operand (od, CGEN_SYNTAX_FIELD (*syn),
+ errmsg = fr30_cgen_parse_operand (cd, CGEN_SYNTAX_FIELD (*syn),
&str, fields);
if (errmsg)
return errmsg;
/* We couldn't parse it. */
return _("unrecognized instruction");
}
-
-/* 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 result is an error message or NULL if success. */
-
-static const char *
-insert_insn_normal (od, insn, fields, buffer, pc)
- CGEN_OPCODE_DESC od;
- 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;
-
- CGEN_INIT_INSERT (od);
- value = CGEN_INSN_VALUE (insn);
-
- /* If we're recording insns as numbers (rather than a string of bytes),
- target byte order handling is deferred until later. */
-
-#if CGEN_INT_INSN_P
-
- *buffer = value;
-
-#else
-
- cgen_put_insn_value (od, buffer, min (CGEN_BASE_INSN_BITSIZE,
- CGEN_FIELDS_BITSIZE (fields)),
- value);
-
-#endif /* ! CGEN_INT_INSN_P */
-
- /* ??? Rather than scanning the syntax string again, we could store
- in `fields' a null terminated list of the fields that are present. */
-
- for (syn = CGEN_SYNTAX_STRING (syntax); * syn != '\0'; ++ syn)
- {
- const char *errmsg;
-
- if (CGEN_SYNTAX_CHAR_P (* syn))
- continue;
-
- errmsg = fr30_cgen_insert_operand (od, CGEN_SYNTAX_FIELD (*syn),
- fields, buffer, pc);
- if (errmsg)
- return errmsg;
- }
-
- return NULL;
-}
\f
/* Main entry point.
This routine is called for each instruction to be assembled.
printed).
Note that when processing (non-alias) macro-insns,
- this function recurses. */
+ this function recurses.
+
+ ??? It's possible to make this cpu-independent.
+ One would have to deal with a few minor things.
+ At this point in time doing so would be more of a curiosity than useful
+ [for example this file isn't _that_ big], but keeping the possibility in
+ mind helps keep the design clean. */
const CGEN_INSN *
-fr30_cgen_assemble_insn (od, str, fields, buf, errmsg)
- CGEN_OPCODE_DESC od;
- const char * str;
- CGEN_FIELDS * fields;
+fr30_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;
+ char **errmsg;
{
- const char * start;
- CGEN_INSN_LIST * ilist;
+ const char *start;
+ CGEN_INSN_LIST *ilist;
/* Skip leading white space. */
while (isspace (* str))
/* The instructions are stored in hashed lists.
Get the first in the list. */
- ilist = CGEN_ASM_LOOKUP_INSN (od, str);
+ ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
/* Keep looking until we find a match. */
#if 0 /* not needed as unsupported opcodes shouldn't be in the hash lists */
/* Is this insn supported by the selected cpu? */
- if (! fr30_cgen_insn_supported (od, insn))
+ if (! fr30_cgen_insn_supported (cd, insn))
continue;
#endif
/* 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)
+ if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAX) != 0)
continue;
str = start;
- /* Record a default length for the insn. This will get set to the
- correct value while parsing. */
- /* FIXME: wip */
+ /* Allow parse/insert handlers to obtain length of insn. */
CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
- if (! CGEN_PARSE_FN (insn) (od, insn, & str, fields))
+ if (! CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields))
{
/* ??? 0 is passed for `pc' */
- if (CGEN_INSERT_FN (insn) (od, insn, fields, buf, (bfd_vma) 0) != NULL)
+ if (CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf, (bfd_vma) 0)
+ != NULL)
continue;
/* It is up to the caller to actually output the insn and any
queued relocs. */
FIXME: Not currently used. */
void
-fr30_cgen_asm_hash_keywords (od, opvals)
- CGEN_OPCODE_DESC od;
- CGEN_KEYWORD * opvals;
+fr30_cgen_asm_hash_keywords (cd, opvals)
+ CGEN_CPU_DESC cd;
+ CGEN_KEYWORD *opvals;
{
CGEN_KEYWORD_SEARCH search = cgen_keyword_search_init (opvals, NULL);
const CGEN_KEYWORD_ENTRY * ke;
if (! fr30_cgen_opval_supported (ke))
continue;
#endif
- cgen_asm_record_register (od, ke->name, ke->value);
+ cgen_asm_record_register (cd, ke->name, ke->value);
}
}
projects / deliverable / binutils-gdb.git / blobdiff