1 /* tc-h8500.c -- Assemble code for the Hitachi H8/500
2 Copyright (C) 1993 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
21 Written By Steve Chamberlain
30 #define ASSEMBLER_TABLE
31 #include "../opcodes/h8500-opc.h"
34 const char comment_chars
[] = "!";
35 const char line_separator_chars
[] = ";";
36 const char line_comment_chars
[] = "!#";
38 /* This table describes all the machine specific pseudo-ops the assembler
39 has to support. The fields are:
40 pseudo-op name without dot
41 function to call to execute this pseudo-op
42 Integer arg to pass to the function
47 const pseudo_typeS md_pseudo_table
[] =
53 {"form", listing_psize
, 0},
54 {"heading", listing_title
, 0},
55 {"import", s_ignore
, 0},
56 {"page", listing_eject
, 0},
57 {"program", s_ignore
, 0},
61 const int md_reloc_size
;
63 const char EXP_CHARS
[] = "eE";
65 /* Chars that mean this number is a floating point constant */
68 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
70 #define C(a,b) ENCODE_RELAX(a,b)
71 #define ENCODE_RELAX(what,length) (((what) << 2) + (length))
73 #define GET_WHAT(x) ((x>>2))
77 #define UNDEF_BYTE_DISP 0
78 #define UNDEF_WORD_DISP 3
90 const relax_typeS md_relax_table
[C (END
, 0)];
92 static struct hash_control
*opcode_hash_control
; /* Opcode mnemonics */
95 This function is called once, at assembler startup time. This should
96 set up all the tables, etc that the MD part of the assembler needs
102 h8500_opcode_info
*opcode
;
103 char prev_buffer
[100];
105 register relax_typeS
*table
;
107 opcode_hash_control
= hash_new ();
110 /* Insert unique names into hash table */
111 for (opcode
= h8500_table
; opcode
->name
; opcode
++)
113 if (idx
!= opcode
->idx
)
115 hash_insert (opcode_hash_control
, opcode
->name
, (char *) opcode
);
120 /* Initialize the relax table. We use a local variable to avoid
121 warnings about modifying a supposedly const data structure. */
122 table
= (relax_typeS
*) md_relax_table
;
123 table
[C (BRANCH
, BYTE_DISP
)].rlx_forward
= BYTE_F
;
124 table
[C (BRANCH
, BYTE_DISP
)].rlx_backward
= BYTE_B
;
125 table
[C (BRANCH
, BYTE_DISP
)].rlx_length
= 2;
126 table
[C (BRANCH
, BYTE_DISP
)].rlx_more
= C (BRANCH
, WORD_DISP
);
128 table
[C (BRANCH
, WORD_DISP
)].rlx_forward
= WORD_F
;
129 table
[C (BRANCH
, WORD_DISP
)].rlx_backward
= WORD_B
;
130 table
[C (BRANCH
, WORD_DISP
)].rlx_length
= 3;
131 table
[C (BRANCH
, WORD_DISP
)].rlx_more
= 0;
133 table
[C (SCB_F
, BYTE_DISP
)].rlx_forward
= BYTE_F
;
134 table
[C (SCB_F
, BYTE_DISP
)].rlx_backward
= BYTE_B
;
135 table
[C (SCB_F
, BYTE_DISP
)].rlx_length
= 3;
136 table
[C (SCB_F
, BYTE_DISP
)].rlx_more
= C (SCB_F
, WORD_DISP
);
138 table
[C (SCB_F
, WORD_DISP
)].rlx_forward
= WORD_F
;
139 table
[C (SCB_F
, WORD_DISP
)].rlx_backward
= WORD_B
;
140 table
[C (SCB_F
, WORD_DISP
)].rlx_length
= 8;
141 table
[C (SCB_F
, WORD_DISP
)].rlx_more
= 0;
143 table
[C (SCB_TST
, BYTE_DISP
)].rlx_forward
= BYTE_F
;
144 table
[C (SCB_TST
, BYTE_DISP
)].rlx_backward
= BYTE_B
;
145 table
[C (SCB_TST
, BYTE_DISP
)].rlx_length
= 3;
146 table
[C (SCB_TST
, BYTE_DISP
)].rlx_more
= C (SCB_TST
, WORD_DISP
);
148 table
[C (SCB_TST
, WORD_DISP
)].rlx_forward
= WORD_F
;
149 table
[C (SCB_TST
, WORD_DISP
)].rlx_backward
= WORD_B
;
150 table
[C (SCB_TST
, WORD_DISP
)].rlx_length
= 10;
151 table
[C (SCB_TST
, WORD_DISP
)].rlx_more
= 0;
155 static int rn
; /* register number used by RN */
156 static int rs
; /* register number used by RS */
157 static int rd
; /* register number used by RD */
158 static int crb
; /* byte size cr */
159 static int crw
; /* word sized cr */
160 static int cr
; /* unknown size cr */
162 static expressionS displacement
;/* displacement expression */
163 static int displacement_size
; /* and size if given */
165 static int immediate_inpage
;
166 static expressionS immediate
; /* immediate expression */
167 static int immediate_size
; /* and size if given */
169 static expressionS absolute
; /* absolute expression */
170 static int absolute_size
; /* and size if given */
182 /* try and parse a reg name, returns number of chars consumed */
184 parse_reg (src
, mode
, reg
)
191 if (src
[1] >= '0' && src
[1] <= '7')
194 *reg
= (src
[1] - '0');
199 if (src
[0] == 's' && src
[1] == 'p')
205 if (src
[0] == 'c' && src
[1] == 'c' && src
[2] == 'r')
211 if (src
[0] == 's' && src
[1] == 'r')
218 if (src
[0] == 'b' && src
[1] == 'r')
225 if (src
[0] == 'e' && src
[1] == 'p')
232 if (src
[0] == 'd' && src
[1] == 'p')
239 if (src
[0] == 't' && src
[1] == 'p')
246 if (src
[0] == 'f' && src
[1] == 'p')
257 parse_exp (s
, op
, page
)
265 save
= input_line_pointer
;
270 if (s
[1] == 'p' && s
[2] == 'a' && s
[3] == 'g' && s
[4] == 'e')
275 if (s
[1] == 'h' && s
[2] == 'i' && s
[3] == '1' && s
[4] == '6')
280 else if (s
[1] == 'o' && s
[2] == 'f' && s
[3] == 'f')
287 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
;
299 exp_signed
, exp_unsigned
, exp_sandu
304 skip_colonthing (sign
, ptr
, exp
, def
, size8
, size16
, size24
)
307 h8500_operand_info
*exp
;
313 ptr
= parse_exp (ptr
, &exp
->exp
, &exp
->page
);
322 else if (ptr
[0] == '1' & ptr
[1] == '6')
327 else if (ptr
[0] == '2' & ptr
[1] == '4')
331 as_bad (":24 not valid for this opcode");
338 as_bad ("expect :8,:16 or :24");
344 if (exp
->page
== 'p')
348 else if (exp
->page
== 'h')
354 /* Let's work out the size from the context */
355 int n
= exp
->exp
.X_add_number
;
357 && exp
->exp
.X_op
== O_constant
358 && ((sign
== exp_signed
&& (n
>= -128 && n
<= 127))
359 || (sign
== exp_unsigned
&& (n
>= 0 && (n
<= 255)))
360 || (sign
== exp_sandu
&& (n
>= -128 && (n
<= 255)))))
374 parse_reglist (src
, op
)
376 h8500_operand_info
*op
;
382 int idx
= 1; /* skip ( */
384 while (src
[idx
] && src
[idx
] != ')')
386 int done
= parse_reg (src
+ idx
, &mode
, &rn
);
395 as_bad ("syntax error in reg list");
401 done
= parse_reg (src
+ idx
, &mode
, &rm
);
413 as_bad ("missing final register in range");
420 op
->exp
.X_add_symbol
= 0;
421 op
->exp
.X_op_symbol
= 0;
422 op
->exp
.X_add_number
= mask
;
423 op
->exp
.X_op
= O_constant
;
424 op
->exp
.X_unsigned
= 1;
430 /* The many forms of operand:
433 @Rn Register indirect
434 @(disp[:size], Rn) Register indirect with displacement
438 #xx[:size] immediate data
443 get_operand (ptr
, op
, ispage
)
445 h8500_operand_info
*op
;
453 if (src
[0] == '(' && src
[1] == 'r')
455 /* This is a register list */
456 *ptr
= src
+ parse_reglist (src
, op
);
460 len
= parse_reg (src
, &op
->type
, &op
->reg
);
474 len
= parse_reg (src
, &mode
, &num
);
477 /* Oops, not a reg after all, must be ordinary exp */
479 /* must be a symbol */
480 *ptr
= skip_colonthing (exp_unsigned
, src
,
481 op
, ABS16
, ABS8
, ABS16
, ABS24
);
495 src
= skip_colonthing (exp_signed
, src
,
496 op
, RNIND_D16
, RNIND_D8
, RNIND_D16
, 0);
500 as_bad ("expected @(exp, Rn)");
504 len
= parse_reg (src
, &mode
, &op
->reg
);
505 if (len
== 0 || mode
!= RN
)
507 as_bad ("expected @(exp, Rn)");
513 as_bad ("expected @(exp, Rn)");
519 len
= parse_reg (src
, &mode
, &num
);
529 as_bad ("@Rn+ needs word register");
539 as_bad ("@Rn needs word register");
549 /* must be a symbol */
551 skip_colonthing (exp_unsigned
, src
, op
,
552 ispage
? ABS24
: ABS16
, ABS8
, ABS16
, ABS24
);
560 *ptr
= skip_colonthing (exp_sandu
, src
, op
, IMM16
, IMM8
, IMM16
, ABS24
);
565 *ptr
= skip_colonthing (exp_signed
, src
, op
,
566 ispage
? ABS24
: PCREL8
, PCREL8
, PCREL16
, ABS24
);
572 get_operands (info
, args
, operand
)
573 h8500_opcode_info
*info
;
575 h8500_operand_info
*operand
;
589 get_operand (&ptr
, operand
+ 0, info
->name
[0] == 'p');
595 get_operand (&ptr
, operand
+ 0, 0);
598 get_operand (&ptr
, operand
+ 1, 0);
608 /* Passed a pointer to a list of opcodes which use different
609 addressing modes, return the opcode which matches the opcodes
613 int pcrel8
; /* Set when we've seen a pcrel operand */
617 get_specific (opcode
, operands
)
618 h8500_opcode_info
*opcode
;
619 h8500_operand_info
*operands
;
621 h8500_opcode_info
*this_try
= opcode
;
623 unsigned int noperands
= opcode
->nargs
;
625 unsigned int this_index
= opcode
->idx
;
627 while (this_index
== opcode
->idx
&& !found
)
633 /* look at both operands needed by the opcodes and provided by
635 for (i
= 0; i
< noperands
; i
++)
637 h8500_operand_info
*user
= operands
+ i
;
639 switch (this_try
->arg_type
[i
])
642 /* Opcode needs (disp:8,fp) */
643 if (user
->type
== RNIND_D8
&& user
->reg
== 6)
645 displacement
= user
->exp
;
650 if (user
->type
== RNIND_D16
)
652 displacement
= user
->exp
;
658 if (user
->type
== RNIND_D8
)
660 displacement
= user
->exp
;
667 if (user
->type
== this_try
->arg_type
[i
])
669 displacement
= user
->exp
;
676 if (user
->type
== RNDEC
&& user
->reg
== 7)
682 if (user
->type
== RNINC
&& user
->reg
== 7)
688 if (user
->type
== ABS16
)
690 absolute
= user
->exp
;
695 if (user
->type
== ABS8
)
697 absolute
= user
->exp
;
702 if (user
->type
== ABS24
)
704 absolute
= user
->exp
;
710 if ((user
->type
== CRB
|| user
->type
== CR
) && user
->reg
!= 0)
717 if ((user
->type
== CRW
|| user
->type
== CR
) && user
->reg
== 0)
724 if (user
->type
== DISP16
)
726 displacement
= user
->exp
;
731 if (user
->type
== DISP8
)
733 displacement
= user
->exp
;
738 if (user
->type
== RN
&& user
->reg
== 6)
744 if (user
->type
== PCREL16
)
746 displacement
= user
->exp
;
751 if (user
->type
== PCREL8
)
753 displacement
= user
->exp
;
760 if (user
->type
== IMM16
761 || user
->type
== IMM8
)
763 immediate_inpage
= user
->page
;
764 immediate
= user
->exp
;
770 if (user
->type
== IMM8
)
772 immediate_inpage
= user
->page
;
773 immediate
= user
->exp
;
778 if (user
->type
== IMM8
)
780 immediate_inpage
= user
->page
;
781 immediate
= user
->exp
;
786 if (user
->type
== IMM8
787 && user
->exp
.X_op
== O_constant
789 (user
->exp
.X_add_number
== -2
790 || user
->exp
.X_add_number
== -1
791 || user
->exp
.X_add_number
== 1
792 || user
->exp
.X_add_number
== 2))
794 immediate_inpage
= user
->page
;
795 immediate
= user
->exp
;
800 if (user
->type
== RN
)
807 if (user
->type
== RN
)
814 if (user
->type
== RNIND
)
826 if (user
->type
== this_try
->arg_type
[i
])
833 if (user
->type
== RN
&& user
->reg
== 7)
839 printf ("unhandled %d\n", this_try
->arg_type
[i
]);
843 /* If we get here this didn't work out */
858 check (operand
, low
, high
)
859 expressionS
*operand
;
863 if (operand
->X_op
!= O_constant
864 || operand
->X_add_number
< low
865 || operand
->X_add_number
> high
)
867 as_bad ("operand must be absolute in range %d..%d", low
, high
);
869 return operand
->X_add_number
;
874 insert (output
, index
, exp
, reloc
, pcrel
)
881 fix_new_exp (frag_now
,
882 output
- frag_now
->fr_literal
+ index
,
883 4, /* always say size is 4, but we know better */
890 build_relaxable_instruction (opcode
, operand
)
891 h8500_opcode_info
*opcode
;
892 h8500_operand_info
*operand
;
894 /* All relaxable instructions start life as two bytes but can become
895 three bytes long if a lonely branch and up to 9 bytes if long scb
901 if (opcode
->bytes
[0].contents
== 0x01)
905 else if (opcode
->bytes
[0].contents
== 0x06
906 || opcode
->bytes
[0].contents
== 0x07)
915 p
= frag_var (rs_machine_dependent
,
916 md_relax_table
[C (type
, WORD_DISP
)].rlx_length
,
917 len
= md_relax_table
[C (type
, BYTE_DISP
)].rlx_length
,
918 C (type
, UNDEF_BYTE_DISP
),
919 displacement
.X_add_symbol
,
920 displacement
.X_add_number
,
923 p
[0] = opcode
->bytes
[0].contents
;
926 p
[1] = opcode
->bytes
[1].contents
| rs
;
930 /* Now we know what sort of opcodes it is, lets build the bytes -
933 build_bytes (opcode
, operand
)
934 h8500_opcode_info
*opcode
;
935 h8500_operand_info
*operand
;
943 build_relaxable_instruction (opcode
, operand
);
947 char *output
= frag_more (opcode
->length
);
949 memset (output
, 0, opcode
->length
);
950 for (index
= 0; index
< opcode
->length
; index
++)
952 output
[index
] = opcode
->bytes
[index
].contents
;
954 switch (opcode
->bytes
[index
].insert
)
957 printf ("failed for %d\n", opcode
->bytes
[index
].insert
);
973 insert (output
, index
, &displacement
, R_H8500_IMM16
, 0);
978 insert (output
, index
, &displacement
, R_H8500_IMM8
, 0);
984 switch (immediate_inpage
) {
996 insert (output
, index
, &immediate
,p
, 0);
1003 if (immediate_inpage
)
1005 insert (output
, index
, &immediate
, R_H8500_HIGH8
, 0);
1009 insert (output
, index
, &immediate
, R_H8500_IMM8
, 0);
1013 insert (output
, index
, &displacement
, R_H8500_PCREL16
, 1);
1017 insert (output
, index
, &displacement
, R_H8500_PCREL8
, 1);
1020 output
[index
] |= check (&immediate
, 0, 15);
1024 output
[index
] |= cr
;
1037 output
[index
] |= crb
;
1041 output
[index
] |= crw
;
1045 insert (output
, index
, &absolute
, R_H8500_IMM24
, 0);
1049 insert (output
, index
, &absolute
, R_H8500_IMM16
, 0);
1053 insert (output
, index
, &absolute
, R_H8500_IMM8
, 0);
1056 switch (immediate
.X_add_number
)
1059 output
[index
] |= 0x5;
1062 output
[index
] |= 0x4;
1077 /* This is the guts of the machine-dependent assembler. STR points to a
1078 machine dependent instruction. This funciton is supposed to emit
1079 the frags/bytes it assembles to.
1083 DEFUN (md_assemble
, (str
),
1088 h8500_operand_info operand
[2];
1089 h8500_opcode_info
*opcode
;
1090 h8500_opcode_info
*prev_opcode
;
1095 /* Drop leading whitespace */
1099 /* find the op code end */
1100 for (op_start
= op_end
= str
;
1102 !is_end_of_line
[*op_end
] && *op_end
!= ' ';
1105 if ( /**op_end != '.'
1109 name
[nlen
++] = *op_end
;
1114 if (op_end
== op_start
)
1116 as_bad ("can't find opcode ");
1119 opcode
= (h8500_opcode_info
*) hash_find (opcode_hash_control
, name
);
1123 as_bad ("unknown opcode");
1127 get_operands (opcode
, op_end
, operand
);
1128 prev_opcode
= opcode
;
1130 opcode
= get_specific (opcode
, operand
);
1134 /* Couldn't find an opcode which matched the operands */
1135 char *where
= frag_more (2);
1139 as_bad ("invalid operands for opcode");
1143 build_bytes (opcode
, operand
);
1148 DEFUN (tc_crawl_symbol_chain
, (headers
),
1149 object_headers
* headers
)
1151 printf ("call to tc_crawl_symbol_chain \n");
1155 DEFUN (md_undefined_symbol
, (name
),
1162 DEFUN (tc_headers_hook
, (headers
),
1163 object_headers
* headers
)
1165 printf ("call to tc_headers_hook \n");
1168 /* Various routines to kill one day */
1169 /* Equal to MAX_PRECISION in atof-ieee.c */
1170 #define MAX_LITTLENUMS 6
1172 /* Turn a string in input_line_pointer into a floating point constant of type
1173 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
1174 emitted is stored in *sizeP . An error message is returned, or NULL on OK.
1177 md_atof (type
, litP
, sizeP
)
1183 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
1184 LITTLENUM_TYPE
*wordP
;
1216 return "Bad call to MD_ATOF()";
1218 t
= atof_ieee (input_line_pointer
, type
, words
);
1220 input_line_pointer
= t
;
1222 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
1223 for (wordP
= words
; prec
--;)
1225 md_number_to_chars (litP
, (long) (*wordP
++), sizeof (LITTLENUM_TYPE
));
1226 litP
+= sizeof (LITTLENUM_TYPE
);
1232 md_parse_option (argP
, cntP
, vecP
)
1241 int md_short_jump_size
;
1244 tc_aout_fix_to_chars ()
1246 printf ("call to tc_aout_fix_to_chars \n");
1251 md_create_short_jump (ptr
, from_addr
, to_addr
, frag
, to_symbol
)
1258 as_fatal ("failed sanity check.");
1262 md_create_long_jump (ptr
, from_addr
, to_addr
, frag
, to_symbol
)
1264 addressT from_addr
, to_addr
;
1268 as_fatal ("failed sanity check.");
1273 wordify_scb (buffer
, disp_size
, inst_size
)
1278 int rn
= buffer
[1] & 0x7;
1282 case 0x0e: /* BSR */
1316 *buffer
++ = 0x26; /* bne + 8 */
1322 *buffer
++ = 0x27; /* bne + 8 */
1327 *buffer
++ = 0xa8 | rn
; /* addq -1,rn */
1329 *buffer
++ = 0x04; /* cmp #0xff:8, rn */
1331 *buffer
++ = 0x70 | rn
;
1332 *buffer
++ = 0x36; /* bne ... */
1338 called after relaxing, change the frags so they know how big they are
1341 md_convert_frag (headers
, fragP
)
1342 object_headers
*headers
;
1348 char *buffer
= fragP
->fr_fix
+ fragP
->fr_literal
;
1350 switch (fragP
->fr_subtype
)
1352 case C (BRANCH
, BYTE_DISP
):
1357 case C (SCB_F
, BYTE_DISP
):
1358 case C (SCB_TST
, BYTE_DISP
):
1363 /* Branches to a known 16 bit displacement */
1365 /* Turn on the 16bit bit */
1366 case C (BRANCH
, WORD_DISP
):
1367 case C (SCB_F
, WORD_DISP
):
1368 case C (SCB_TST
, WORD_DISP
):
1369 wordify_scb (buffer
, &disp_size
, &inst_size
);
1372 case C (BRANCH
, UNDEF_WORD_DISP
):
1373 case C (SCB_F
, UNDEF_WORD_DISP
):
1374 case C (SCB_TST
, UNDEF_WORD_DISP
):
1375 /* This tried to be relaxed, but didn't manage it, it now needs a
1377 wordify_scb (buffer
, &disp_size
, &inst_size
);
1381 fragP
->fr_fix
+ inst_size
,
1388 fragP
->fr_fix
+= disp_size
+ inst_size
;
1397 /* Get the address of the end of the instruction */
1398 int next_inst
= fragP
->fr_fix
+ fragP
->fr_address
+ disp_size
+ inst_size
;
1399 int targ_addr
= (S_GET_VALUE (fragP
->fr_symbol
) +
1401 int disp
= targ_addr
- next_inst
;
1403 md_number_to_chars (buffer
+ inst_size
, disp
, disp_size
);
1404 fragP
->fr_fix
+= disp_size
+ inst_size
;
1410 md_section_align (seg
, size
)
1414 return ((size
+ (1 << section_alignment
[(int) seg
]) - 1)
1415 & (-1 << section_alignment
[(int) seg
]));
1420 md_apply_fix (fixP
, val
)
1424 char *buf
= fixP
->fx_where
+ fixP
->fx_frag
->fr_literal
;
1426 if (fixP
->fx_r_type
== 0)
1428 fixP
->fx_r_type
= fixP
->fx_size
== 4 ? R_H8500_IMM32
: R_H8500_IMM16
;
1431 switch (fixP
->fx_r_type
)
1435 case R_H8500_PCREL8
:
1440 case R_H8500_PCREL16
:
1441 *buf
++ = (val
>> 8);
1447 case R_H8500_HIGH16
:
1452 *buf
++ = (val
>> 16);
1453 *buf
++ = (val
>> 8);
1457 *buf
++ = (val
>> 24);
1458 *buf
++ = (val
>> 16);
1459 *buf
++ = (val
>> 8);
1469 DEFUN (md_operand
, (expressionP
), expressionS
* expressionP
)
1473 int md_long_jump_size
;
1476 called just before address relaxation, return the length
1477 by which a fragment must grow to reach it's destination
1480 md_estimate_size_before_relax (fragP
, segment_type
)
1481 register fragS
*fragP
;
1482 register segT segment_type
;
1484 int what
= GET_WHAT (fragP
->fr_subtype
);
1486 switch (fragP
->fr_subtype
)
1490 case C (BRANCH
, UNDEF_BYTE_DISP
):
1491 case C (SCB_F
, UNDEF_BYTE_DISP
):
1492 case C (SCB_TST
, UNDEF_BYTE_DISP
):
1493 /* used to be a branch to somewhere which was unknown */
1494 if (S_GET_SEGMENT (fragP
->fr_symbol
) == segment_type
)
1496 /* Got a symbol and it's defined in this segment, become byte
1497 sized - maybe it will fix up */
1498 fragP
->fr_subtype
= C (what
, BYTE_DISP
);
1499 fragP
->fr_var
= md_relax_table
[C (what
, BYTE_DISP
)].rlx_length
;
1503 /* Its got a segment, but its not ours, so it will always be long */
1504 fragP
->fr_subtype
= C (what
, UNDEF_WORD_DISP
);
1505 fragP
->fr_var
= md_relax_table
[C (what
, WORD_DISP
)].rlx_length
;
1506 return md_relax_table
[C (what
, WORD_DISP
)].rlx_length
;
1509 return fragP
->fr_var
;
1512 /* Put number into target byte order */
1515 md_number_to_chars (ptr
, use
, nbytes
)
1520 number_to_chars_bigendian (ptr
, use
, nbytes
);
1524 md_pcrel_from (fixP
)
1527 return fixP
->fx_size
+ fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
1531 tc_coff_symbol_emit_hook ()
1536 tc_coff_fix2rtype (fix_ptr
)
1539 if (fix_ptr
->fx_r_type
== RELOC_32
)
1541 /* cons likes to create reloc32's whatever the size of the reloc..
1543 switch (fix_ptr
->fx_size
)
1546 return R_H8500_IMM16
;
1549 return R_H8500_IMM8
;
1555 return fix_ptr
->fx_r_type
;
1559 tc_reloc_mangle (fix_ptr
, intr
, base
)
1561 struct internal_reloc
*intr
;
1565 symbolS
*symbol_ptr
;
1567 symbol_ptr
= fix_ptr
->fx_addsy
;
1569 /* If this relocation is attached to a symbol then it's ok
1571 if (fix_ptr
->fx_r_type
== RELOC_32
)
1573 /* cons likes to create reloc32's whatever the size of the reloc..
1575 switch (fix_ptr
->fx_size
)
1578 intr
->r_type
= R_IMM16
;
1581 intr
->r_type
= R_IMM8
;
1589 intr
->r_type
= fix_ptr
->fx_r_type
;
1592 intr
->r_vaddr
= fix_ptr
->fx_frag
->fr_address
+ fix_ptr
->fx_where
+ base
;
1593 intr
->r_offset
= fix_ptr
->fx_offset
;
1595 /* Turn the segment of the symbol into an offset. */
1600 dot
= segment_info
[S_GET_SEGMENT (symbol_ptr
)].dot
;
1603 /* intr->r_offset -=
1604 segment_info[S_GET_SEGMENT(symbol_ptr)].scnhdr.s_paddr;*/
1605 intr
->r_offset
+= S_GET_VALUE (symbol_ptr
);
1606 intr
->r_symndx
= dot
->sy_number
;
1610 intr
->r_symndx
= symbol_ptr
->sy_number
;
1616 intr
->r_symndx
= -1;
1627 /* Check for :s.w */
1628 if (isalpha (ptr
[1]) && ptr
[2] == '.')
1631 if (isalpha (ptr
[1]) && !isalpha (ptr
[2]))
1638 tc_coff_sizemachdep (frag
)
1641 return md_relax_table
[frag
->fr_subtype
].rlx_length
;
1644 /* end of tc-h8500.c */