1 /* tc-h8300.c -- Assemble code for the Hitachi H8/300
2 Copyright (C) 1991, 1992 Free Software Foundation.
4 This file is part of GAS, the GNU Assembler.
6 GAS is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GAS is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GAS; see the file COPYING. If not, write to
18 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 Written By Steve Chamberlain
30 #define h8_opcodes ops
31 #include "opcode/h8300.h"
34 const char comment_chars
[] =
36 const char line_separator_chars
[] =
38 const char line_comment_chars
[] = "#";
40 /* This table describes all the machine specific pseudo-ops the assembler
41 has to support. The fields are:
42 pseudo-op name without dot
43 function to call to execute this pseudo-op
44 Integer arg to pass to the function
51 #define PSIZE (Hmode ? L_32 : L_16)
53 #define DSYMMODE (Hmode ? L_24 : L_16)
54 int bsize
= L_8
; /* default branch displacement */
82 const pseudo_typeS md_pseudo_table
[] =
85 {"h8300h", h8300hmode
, 0},
86 {"h8300s", h8300smode
, 0},
87 {"sbranch", sbranch
, L_8
},
88 {"lbranch", sbranch
, L_16
},
94 {"form", listing_psize
, 0},
95 {"heading", listing_title
, 0},
96 {"import", s_ignore
, 0},
97 {"page", listing_eject
, 0},
98 {"program", s_ignore
, 0},
102 const int md_reloc_size
;
104 const char EXP_CHARS
[] = "eE";
106 /* Chars that mean this number is a floating point constant */
109 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
111 static struct hash_control
*opcode_hash_control
; /* Opcode mnemonics */
114 This function is called once, at assembler startup time. This should
115 set up all the tables, etc that the MD part of the assembler needs
122 struct h8_opcode
*opcode
;
123 char prev_buffer
[100];
126 opcode_hash_control
= hash_new ();
129 for (opcode
= h8_opcodes
; opcode
->name
; opcode
++)
131 /* Strip off any . part when inserting the opcode and only enter
132 unique codes into the hash table
134 char *src
= opcode
->name
;
135 unsigned int len
= strlen (src
);
136 char *dst
= malloc (len
+ 1);
151 if (strcmp (buffer
, prev_buffer
))
153 hash_insert (opcode_hash_control
, buffer
, (char *) opcode
);
154 strcpy (prev_buffer
, buffer
);
160 /* Find the number of operands */
161 opcode
->noperands
= 0;
162 while (opcode
->args
.nib
[opcode
->noperands
] != E
)
164 /* Find the length of the opcode in bytes */
166 while (opcode
->data
.nib
[opcode
->length
* 2] != E
)
181 int opsize
; /* Set when a register size is seen */
193 WREG r0,r1,r2,r3,r4,r5,r6,r7,fp,sp
202 /* try and parse a reg name, returns number of chars consumed */
204 parse_reg (src
, mode
, reg
, direction
)
211 if (src
[0] == 's' && src
[1] == 'p')
213 *mode
= PSIZE
| REG
| direction
;
217 if (src
[0] == 'c' && src
[1] == 'c' && src
[2] == 'r')
223 if (src
[0] == 'e' && src
[1] == 'x' && src
[2] == 'r')
229 if (src
[0] == 'f' && src
[1] == 'p')
231 *mode
= PSIZE
| REG
| direction
;
237 && src
[2] >= '0' && src
[2] <= '7')
239 *mode
= L_32
| REG
| direction
;
242 as_warn ("Reg not valid for H8/300");
247 && src
[1] >= '0' && src
[1] <= '7')
249 *mode
= L_16
| REG
| direction
;
250 *reg
= src
[1] - '0' + 8;
252 as_warn ("Reg not valid for H8/300");
258 if (src
[1] >= '0' && src
[1] <= '7')
262 *mode
= L_8
| REG
| direction
;
263 *reg
= (src
[1] - '0') + 8;
268 *mode
= L_8
| REG
| direction
;
269 *reg
= (src
[1] - '0');
272 *mode
= L_16
| REG
| direction
;
273 *reg
= (src
[1] - '0');
285 char *save
= input_line_pointer
;
288 input_line_pointer
= s
;
290 if (op
->X_op
== O_absent
)
291 as_bad ("missing operand");
292 new = input_line_pointer
;
293 input_line_pointer
= save
;
298 skip_colonthing (ptr
, exp
, mode
)
310 /* ff fill any 8 bit quantity */
311 /* exp->X_add_number -= 0x100;*/
320 else if (*ptr
== '3')
324 else if (*ptr
== '1')
328 while (isdigit (*ptr
))
335 /* The many forms of operand:
338 @Rn Register indirect
339 @(exp[:16], Rn) Register indirect with displacement
343 @aa:16 absolute 16 bit
346 #xx[:size] immediate data
347 @(exp:[8], pc) pc rel
348 @@aa[:8] memory indirect
359 src
= skip_colonthing (src
, &op
->exp
, &mode
);
363 /* Choose a default mode */
364 if (op
->exp
.X_add_number
< -32768
365 || op
->exp
.X_add_number
> 32767)
372 else if (op
->exp
.X_add_symbol
373 || op
->exp
.X_op_symbol
)
385 get_operand (ptr
, op
, dst
, direction
)
398 /* Gross. Gross. ldm and stm have a format not easily handled
399 by get_operand. We deal with it explicitly here. */
400 if (src
[0] == 'e' && src
[1] == 'r' && isdigit(src
[2])
401 && src
[3] == '-' && src
[4] == 'e' && src
[5] == 'r' && isdigit(src
[6]))
409 as_bad ("Invalid register list for ldm/stm\n");
412 as_bad ("Invalid register list for ldm/stm\n");
415 as_bad ("Invalid register list for ldm/stm\n");
419 as_bad ("Invalid register list for ldm/stm\n");
421 /* Even sicker. We encode two registers into op->reg. One
422 for the low register to save, the other for the high
423 register to save; we also set the high bit in op->reg
424 so we know this is "very special". */
425 op
->reg
= 0x80000000 | (high
<< 8) | low
;
431 len
= parse_reg (src
, &op
->mode
, &op
->reg
, direction
);
444 src
= parse_exp (src
, &op
->exp
);
446 src
= skip_colonthing (src
, &op
->exp
, &op
->mode
);
459 len
= parse_reg (src
, &mode
, &num
, direction
);
462 /* Oops, not a reg after all, must be ordinary exp */
464 /* must be a symbol */
465 op
->mode
= ABS
| PSIZE
| direction
;
466 *ptr
= skip_colonthing (parse_exp (src
, &op
->exp
),
467 &op
->exp
, &op
->mode
);
475 if ((mode
& SIZE
) != PSIZE
)
476 as_bad ("Wrong size pointer register for architecture.");
487 /* Start off assuming a 16 bit offset */
490 src
= parse_exp (src
, &op
->exp
);
492 src
= colonmod24 (op
, src
);
497 op
->mode
|= ABS
| direction
;
504 as_bad ("expected @(exp, reg16)");
510 len
= parse_reg (src
, &mode
, &op
->reg
, direction
);
511 if (len
== 0 || !(mode
& REG
))
513 as_bad ("expected @(exp, reg16)");
516 op
->mode
|= DISP
| direction
;
519 src
= skip_colonthing (src
, &op
->exp
, &op
->mode
);
521 if (*src
!= ')' && '(')
523 as_bad ("expected @(exp, reg16)");
530 len
= parse_reg (src
, &mode
, &num
, direction
);
538 if ((mode
& SIZE
) != PSIZE
)
539 as_bad ("Wrong size pointer register for architecture.");
545 if ((mode
& SIZE
) != PSIZE
)
546 as_bad ("Wrong size pointer register for architecture.");
548 op
->mode
= direction
| IND
| PSIZE
;
556 /* must be a symbol */
558 op
->mode
= ABS
| direction
;
559 src
= parse_exp (src
, &op
->exp
);
561 *ptr
= colonmod24 (op
, src
);
572 src
= parse_exp (src
, &op
->exp
);
573 *ptr
= skip_colonthing (src
, &op
->exp
, &op
->mode
);
577 else if (strncmp (src
, "mach", 4) == 0
578 || strncmp (src
, "macl", 4) == 0)
580 op
->reg
= src
[3] == 'l';
587 src
= parse_exp (src
, &op
->exp
);
588 /* Trailing ':' size ? */
591 if (src
[1] == '1' && src
[2] == '6')
593 op
->mode
= PCREL
| L_16
;
596 else if (src
[1] == '8')
598 op
->mode
= PCREL
| L_8
;
603 as_bad ("expect :8 or :16 here");
608 op
->mode
= PCREL
| bsize
;
617 get_operands (noperands
, op_end
, operand
)
618 unsigned int noperands
;
620 struct h8_op
*operand
;
633 get_operand (&ptr
, operand
+ 0, 0, SRC
);
637 get_operand (&ptr
, operand
+ 1, 1, DST
);
647 get_operand (&ptr
, operand
+ 0, 0, SRC
);
650 get_operand (&ptr
, operand
+ 1, 1, DST
);
661 /* Passed a pointer to a list of opcodes which use different
662 addressing modes, return the opcode which matches the opcodes
667 get_specific (opcode
, operands
)
668 struct h8_opcode
*opcode
;
669 struct h8_op
*operands
;
671 struct h8_opcode
*this_try
= opcode
;
674 unsigned int this_index
= opcode
->idx
;
676 /* There's only one ldm/stm and it's easier to just
677 get out quick for them. */
678 if (strcmp (opcode
->name
, "stm.l") == 0
679 || strcmp (opcode
->name
, "ldm.l") == 0)
682 while (this_index
== opcode
->idx
&& !found
)
688 for (i
= 0; i
< this_try
->noperands
&& found
; i
++)
690 op_type op
= this_try
->args
.nib
[i
];
691 int x
= operands
[i
].mode
;
693 if ((op
& (DISP
| REG
)) == (DISP
| REG
)
694 && ((x
& (DISP
| REG
)) == (DISP
| REG
)))
696 dispreg
= operands
[i
].reg
;
705 x
= (x
& ~L_P
) | (Hmode
? L_32
: L_16
);
709 op
= (op
& ~L_P
) | (Hmode
? L_32
: L_16
);
714 /* The size of the reg is v important */
715 if ((op
& SIZE
) != (x
& SIZE
))
718 else if ((op
& ABSJMP
) && (x
& ABS
))
720 operands
[i
].mode
&= ~ABS
;
721 operands
[i
].mode
|= ABSJMP
;
722 /* But it may not be 24 bits long */
725 operands
[i
].mode
&= ~SIZE
;
726 operands
[i
].mode
|= L_16
;
731 else if ((op
& (KBIT
| DBIT
)) && (x
& IMM
))
733 /* This is ok if the immediate value is sensible */
739 /* The size of the displacement is important */
740 if ((op
& SIZE
) != (x
& SIZE
))
744 else if ((op
& (DISP
| IMM
| ABS
))
745 && (op
& (DISP
| IMM
| ABS
)) == (x
& (DISP
| IMM
| ABS
)))
747 /* Promote a L_24 to L_32 if it makes us match. */
748 if ((x
& L_24
) && (op
& L_32
))
753 /* Promote an L8 to L_16 if it makes us match. */
754 if (op
& ABS
&& op
& L_8
&& op
& DISP
)
759 else if ((x
& SIZE
) != 0
760 && ((op
& SIZE
) != (x
& SIZE
)))
763 else if ((op
& MACREG
) != (x
& MACREG
))
767 else if ((op
& MODE
) != (x
& MODE
))
781 check_operand (operand
, width
, string
)
782 struct h8_op
*operand
;
786 if (operand
->exp
.X_add_symbol
== 0
787 && operand
->exp
.X_op_symbol
== 0)
790 /* No symbol involved, let's look at offset, it's dangerous if any of
791 the high bits are not 0 or ff's, find out by oring or anding with
792 the width and seeing if the answer is 0 or all fs*/
794 if ((operand
->exp
.X_add_number
& ~width
) != 0 &&
795 (operand
->exp
.X_add_number
| width
) != (~0))
798 && (operand
->exp
.X_add_number
& 0xff00) == 0xff00)
800 /* Just ignore this one - which happens when trying to
801 fit a 16 bit address truncated into an 8 bit address
802 of something like bset. */
806 as_warn ("operand %s0x%lx out of range.", string
,
807 (unsigned long) operand
->exp
.X_add_number
);
814 /* RELAXMODE has one of 3 values:
816 0 Output a "normal" reloc, no relaxing possible for this insn/reloc
818 1 Output a relaxable 24bit absolute mov.w address relocation
819 (may relax into a 16bit absolute address).
821 2 Output a relaxable 16/24 absolute mov.b address relocation
822 (may relax into an 8bit absolute address). */
825 do_a_fix_imm (offset
, operand
, relaxmode
)
827 struct h8_op
*operand
;
835 char *t
= operand
->mode
& IMM
? "#" : "@";
837 if (operand
->exp
.X_add_symbol
== 0)
839 char *bytes
= frag_now
->fr_literal
+ offset
;
840 switch (operand
->mode
& SIZE
)
843 check_operand (operand
, 0x3, t
);
844 bytes
[0] |= (operand
->exp
.X_add_number
) << 4;
847 check_operand (operand
, 0x7, t
);
848 bytes
[0] |= (operand
->exp
.X_add_number
) << 4;
851 check_operand (operand
, 0xff, t
);
852 bytes
[0] = operand
->exp
.X_add_number
;
855 check_operand (operand
, 0xffff, t
);
856 bytes
[0] = operand
->exp
.X_add_number
>> 8;
857 bytes
[1] = operand
->exp
.X_add_number
>> 0;
860 check_operand (operand
, 0xffffff, t
);
861 bytes
[0] = operand
->exp
.X_add_number
>> 16;
862 bytes
[1] = operand
->exp
.X_add_number
>> 8;
863 bytes
[2] = operand
->exp
.X_add_number
>> 0;
867 /* This should be done with bfd */
868 bytes
[0] = operand
->exp
.X_add_number
>> 24;
869 bytes
[1] = operand
->exp
.X_add_number
>> 16;
870 bytes
[2] = operand
->exp
.X_add_number
>> 8;
871 bytes
[3] = operand
->exp
.X_add_number
>> 0;
878 switch (operand
->mode
& SIZE
)
884 where
= (operand
->mode
& SIZE
) == L_24
? -1 : 0;
887 else if (relaxmode
== 1)
893 as_bad("Can't work out size of operand.\n");
901 operand
->exp
.X_add_number
= (short)operand
->exp
.X_add_number
;
907 operand
->exp
.X_add_number
= (char)operand
->exp
.X_add_number
;
910 fix_new_exp (frag_now
,
920 /* Now we know what sort of opcodes it is, lets build the bytes -
923 build_bytes (this_try
, operand
)
924 struct h8_opcode
*this_try
;
925 struct h8_op
*operand
;
929 char *output
= frag_more (this_try
->length
);
930 op_type
*nibble_ptr
= this_try
->data
.nib
;
932 unsigned int nibble_count
= 0;
940 if (!(this_try
->inbase
|| Hmode
))
941 as_warn ("Opcode `%s' not available in H8/300 mode", this_try
->name
);
943 while (*nibble_ptr
!= E
)
948 d
= (c
& (DST
| SRC_IN_DST
)) != 0;
957 if (c
& (REG
| IND
| INC
| DEC
))
959 nib
= operand
[d
].reg
;
961 else if ((c
& DISPREG
) == (DISPREG
))
968 absat
= nibble_count
/ 2;
971 else if (c
& (IMM
| PCREL
| ABS
| ABSJMP
| DISP
))
974 immat
= nibble_count
/ 2;
983 switch (operand
[0].exp
.X_add_number
)
992 as_bad ("Need #1 or #2 here");
997 switch (operand
[0].exp
.X_add_number
)
1007 as_warn ("#4 not valid on H8/300.");
1012 as_bad ("Need #1 or #2 here");
1015 /* stop it making a fix */
1016 operand
[0].mode
= 0;
1021 operand
[d
].mode
|= MEMRELAX
;
1031 nib
= 2 + operand
[d
].reg
;
1039 /* Disgusting. Why, oh why didn't someone ask us for advice
1040 on the assembler format. */
1041 if (strcmp (this_try
->name
, "stm.l") == 0
1042 || strcmp (this_try
->name
, "ldm.l") == 0)
1045 high
= (operand
[this_try
->name
[0] == 'l' ? 1 : 0].reg
>> 8) & 0xf;
1046 low
= operand
[this_try
->name
[0] == 'l' ? 1 : 0].reg
& 0xf;
1048 asnibbles
[2] = high
- low
;
1049 asnibbles
[7] = (this_try
->name
[0] == 'l') ? high
: low
;
1052 for (i
= 0; i
< this_try
->length
; i
++)
1054 output
[i
] = (asnibbles
[i
* 2] << 4) | asnibbles
[i
* 2 + 1];
1057 /* Note if this is a movb instruction -- there's a special relaxation
1058 which only applies to them. */
1059 if (strcmp (this_try
->name
, "mov.b") == 0)
1062 /* output any fixes */
1063 for (i
= 0; i
< 2; i
++)
1065 int x
= operand
[i
].mode
;
1067 if (x
& (IMM
| DISP
))
1069 do_a_fix_imm (output
- frag_now
->fr_literal
+ immat
,
1070 operand
+ i
, x
& MEMRELAX
!= 0);
1074 do_a_fix_imm (output
- frag_now
->fr_literal
+ absat
,
1075 operand
+ i
, x
& MEMRELAX
? movb
+ 1 : 0);
1079 int size16
= x
& L_16
;
1080 int where
= size16
? 2 : 1;
1081 int size
= size16
? 2 : 1;
1082 int type
= size16
? R_PCRWORD
: R_PCRBYTE
;
1084 check_operand (operand
+ i
, size16
? 0x7fff : 0x7f, "@");
1086 if (operand
[i
].exp
.X_add_number
& 1)
1088 as_warn ("branch operand has odd offset (%lx)\n",
1089 (unsigned long) operand
->exp
.X_add_number
);
1092 operand
[i
].exp
.X_add_number
=
1093 (char) (operand
[i
].exp
.X_add_number
- 1);
1094 fix_new_exp (frag_now
,
1095 output
- frag_now
->fr_literal
+ where
,
1101 else if (x
& MEMIND
)
1104 check_operand (operand
+ i
, 0xff, "@@");
1105 fix_new_exp (frag_now
,
1106 output
- frag_now
->fr_literal
+ 1,
1112 else if (x
& ABSJMP
)
1114 /* This jmp may be a jump or a branch */
1116 check_operand (operand
+ i
, Hmode
? 0xffffff : 0xffff, "@");
1117 if (operand
[i
].exp
.X_add_number
& 1)
1119 as_warn ("branch operand has odd offset (%lx)\n",
1120 (unsigned long) operand
->exp
.X_add_number
);
1123 operand
[i
].exp
.X_add_number
= (short) operand
[i
].exp
.X_add_number
;
1124 fix_new_exp (frag_now
,
1125 output
- frag_now
->fr_literal
,
1136 try and give an intelligent error message for common and simple to
1141 clever_message (opcode
, operand
)
1142 struct h8_opcode
*opcode
;
1143 struct h8_op
*operand
;
1145 /* Find out if there was more than one possible opccode */
1147 if ((opcode
+ 1)->idx
!= opcode
->idx
)
1151 /* Only one opcode of this flavour, try and guess which operand
1153 for (argn
= 0; argn
< opcode
->noperands
; argn
++)
1155 switch (opcode
->args
.nib
[argn
])
1158 if (operand
[argn
].mode
!= RD16
)
1160 as_bad ("destination operand must be 16 bit register");
1168 if (operand
[argn
].mode
!= RS8
)
1170 as_bad ("source operand must be 8 bit register");
1176 if (operand
[argn
].mode
!= ABS16DST
)
1178 as_bad ("destination operand must be 16bit absolute address");
1183 if (operand
[argn
].mode
!= RD8
)
1185 as_bad ("destination operand must be 8 bit register");
1192 if (operand
[argn
].mode
!= ABS16SRC
)
1194 as_bad ("source operand must be 16bit absolute address");
1202 as_bad ("invalid operands");
1205 /* This is the guts of the machine-dependent assembler. STR points to a
1206 machine dependent instruction. This funciton is supposed to emit
1207 the frags/bytes it assembles to.
1218 struct h8_op operand
[2];
1219 struct h8_opcode
*opcode
;
1220 struct h8_opcode
*prev_opcode
;
1225 /* Drop leading whitespace */
1229 /* find the op code end */
1230 for (op_start
= op_end
= str
;
1231 *op_end
!= 0 && *op_end
!= ' ';
1245 if (op_end
== op_start
)
1247 as_bad ("can't find opcode ");
1253 opcode
= (struct h8_opcode
*) hash_find (opcode_hash_control
,
1258 as_bad ("unknown opcode");
1262 /* We use to set input_line_pointer to the result of get_operands,
1263 but that is wrong. Our caller assumes we don't change it. */
1265 (void) get_operands (opcode
->noperands
, op_end
, operand
);
1267 prev_opcode
= opcode
;
1269 opcode
= get_specific (opcode
, operand
);
1273 /* Couldn't find an opcode which matched the operands */
1274 char *where
= frag_more (2);
1278 clever_message (prev_opcode
, operand
);
1282 if (opcode
->size
&& dot
)
1284 if (opcode
->size
!= *dot
)
1286 as_warn ("mismatch between opcode size and operand size");
1290 build_bytes (opcode
, operand
);
1295 tc_crawl_symbol_chain (headers
)
1296 object_headers
* headers
;
1298 printf ("call to tc_crawl_symbol_chain \n");
1302 md_undefined_symbol (name
)
1309 tc_headers_hook (headers
)
1310 object_headers
* headers
;
1312 printf ("call to tc_headers_hook \n");
1315 /* Various routines to kill one day */
1316 /* Equal to MAX_PRECISION in atof-ieee.c */
1317 #define MAX_LITTLENUMS 6
1319 /* Turn a string in input_line_pointer into a floating point constant of type
1320 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
1321 emitted is stored in *sizeP . An error message is returned, or NULL on OK.
1324 md_atof (type
, litP
, sizeP
)
1330 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
1331 LITTLENUM_TYPE
*wordP
;
1363 return "Bad call to MD_ATOF()";
1365 t
= atof_ieee (input_line_pointer
, type
, words
);
1367 input_line_pointer
= t
;
1369 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
1370 for (wordP
= words
; prec
--;)
1372 md_number_to_chars (litP
, (long) (*wordP
++), sizeof (LITTLENUM_TYPE
));
1373 litP
+= sizeof (LITTLENUM_TYPE
);
1378 CONST
char *md_shortopts
= "";
1379 struct option md_longopts
[] = {
1380 {NULL
, no_argument
, NULL
, 0}
1382 size_t md_longopts_size
= sizeof(md_longopts
);
1385 md_parse_option (c
, arg
)
1393 md_show_usage (stream
)
1398 int md_short_jump_size
;
1401 tc_aout_fix_to_chars ()
1403 printf ("call to tc_aout_fix_to_chars \n");
1408 md_create_short_jump (ptr
, from_addr
, to_addr
, frag
, to_symbol
)
1415 as_fatal ("failed sanity check.");
1419 md_create_long_jump (ptr
, from_addr
, to_addr
, frag
, to_symbol
)
1421 addressT from_addr
, to_addr
;
1425 as_fatal ("failed sanity check.");
1429 md_convert_frag (headers
, seg
, fragP
)
1430 object_headers
*headers
;
1434 printf ("call to md_convert_frag \n");
1439 md_section_align (seg
, size
)
1443 return ((size
+ (1 << section_alignment
[(int) seg
]) - 1) & (-1 << section_alignment
[(int) seg
]));
1448 md_apply_fix (fixP
, val
)
1452 char *buf
= fixP
->fx_where
+ fixP
->fx_frag
->fr_literal
;
1454 switch (fixP
->fx_size
)
1460 *buf
++ = (val
>> 8);
1464 *buf
++ = (val
>> 24);
1465 *buf
++ = (val
>> 16);
1466 *buf
++ = (val
>> 8);
1474 int md_long_jump_size
;
1477 md_estimate_size_before_relax (fragP
, segment_type
)
1478 register fragS
*fragP
;
1479 register segT segment_type
;
1481 printf ("call tomd_estimate_size_before_relax \n");
1485 /* Put number into target byte order */
1488 md_number_to_chars (ptr
, use
, nbytes
)
1493 number_to_chars_bigendian (ptr
, use
, nbytes
);
1496 md_pcrel_from (fixP
)
1504 tc_reloc_mangle (fix_ptr
, intr
, base
)
1506 struct internal_reloc
*intr
;
1510 symbolS
*symbol_ptr
;
1512 symbol_ptr
= fix_ptr
->fx_addsy
;
1514 /* If this relocation is attached to a symbol then it's ok
1516 if (fix_ptr
->fx_r_type
== TC_CONS_RELOC
)
1518 /* cons likes to create reloc32's whatever the size of the reloc..
1520 switch (fix_ptr
->fx_size
)
1523 intr
->r_type
= R_RELLONG
;
1526 intr
->r_type
= R_RELWORD
;
1529 intr
->r_type
= R_RELBYTE
;
1539 intr
->r_type
= fix_ptr
->fx_r_type
;
1542 intr
->r_vaddr
= fix_ptr
->fx_frag
->fr_address
+ fix_ptr
->fx_where
+ base
;
1543 intr
->r_offset
= fix_ptr
->fx_offset
;
1546 intr
->r_symndx
= symbol_ptr
->sy_number
;
1548 intr
->r_symndx
= -1;
1553 /* end of tc-h8300.c */