1 /* tc-dlx.c -- Assemble for the DLX
2 Copyright (C) 2002-2016 Free Software Foundation, Inc.
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 3, 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 the Free
18 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
21 /* Initially created by Kuang Hwa Lin, 3/20/2002. */
24 #include "safe-ctype.h"
26 #include "opcode/dlx.h"
28 /* Make it easier to clone this machine desc into another one. */
29 #define machine_opcode dlx_opcode
30 #define machine_opcodes dlx_opcodes
31 #define machine_ip dlx_ip
32 #define machine_it dlx_it
34 #define NO_RELOC BFD_RELOC_NONE
35 #define RELOC_DLX_REL26 BFD_RELOC_DLX_JMP26
36 #define RELOC_DLX_16 BFD_RELOC_16
37 #define RELOC_DLX_REL16 BFD_RELOC_16_PCREL_S2
38 #define RELOC_DLX_HI16 BFD_RELOC_HI16_S
39 #define RELOC_DLX_LO16 BFD_RELOC_LO16
40 #define RELOC_DLX_VTINHERIT BFD_RELOC_VTABLE_INHERIT
41 #define RELOC_DLX_VTENTRY BFD_RELOC_VTABLE_ENTRY
43 /* handle of the OPCODE hash table */
44 static struct hash_control *op_hash = NULL;
54 int reloc_offset; /* Offset of reloc within insn. */
61 /* This array holds the chars that always start a comment. If the
62 pre-processor is disabled, these aren't very useful. */
63 const char comment_chars[] = ";";
65 /* This array holds the chars that only start a comment at the beginning of
66 a line. If the line seems to have the form '# 123 filename'
67 .line and .file directives will appear in the pre-processed output. */
68 /* Note that input_file.c hand checks for '#' at the beginning of the
69 first line of the input file. This is because the compiler outputs
70 #NO_APP at the beginning of its output. */
71 /* Also note that comments like this one will always work. */
72 const char line_comment_chars[] = "#";
74 /* We needed an unused char for line separation to work around the
75 lack of macros, using sed and such. */
76 const char line_separator_chars[] = "@";
78 /* Chars that can be used to separate mant from exp in floating point nums. */
79 const char EXP_CHARS[] = "eE";
81 /* Chars that mean this number is a floating point constant.
84 const char FLT_CHARS[] = "rRsSfFdDxXpP";
87 insert_sreg (char *regname, int regnum)
89 /* Must be large enough to hold the names of the special registers. */
93 symbol_table_insert (symbol_new (regname, reg_section, (valueT) regnum,
95 for (i = 0; regname[i]; i++)
96 buf[i] = ISLOWER (regname[i]) ? TOUPPER (regname[i]) : regname[i];
99 symbol_table_insert (symbol_new (buf, reg_section, (valueT) regnum,
100 &zero_address_frag));
103 /* Install symbol definitions for assorted special registers.
104 See MIPS Assembly Language Programmer's Guide page 1-4 */
107 define_some_regs (void)
109 /* Software representation. */
110 insert_sreg ("zero", 0);
111 insert_sreg ("at", 1);
112 insert_sreg ("v0", 2);
113 insert_sreg ("v1", 3);
114 insert_sreg ("a0", 4);
115 insert_sreg ("a1", 5);
116 insert_sreg ("a2", 6);
117 insert_sreg ("a3", 7);
118 insert_sreg ("t0", 8);
119 insert_sreg ("t1", 9);
120 insert_sreg ("t2", 10);
121 insert_sreg ("t3", 11);
122 insert_sreg ("t4", 12);
123 insert_sreg ("t5", 13);
124 insert_sreg ("t6", 14);
125 insert_sreg ("t7", 15);
126 insert_sreg ("s0", 16);
127 insert_sreg ("s1", 17);
128 insert_sreg ("s2", 18);
129 insert_sreg ("s3", 19);
130 insert_sreg ("s4", 20);
131 insert_sreg ("s5", 21);
132 insert_sreg ("s6", 22);
133 insert_sreg ("s7", 23);
134 insert_sreg ("t8", 24);
135 insert_sreg ("t9", 25);
136 insert_sreg ("k0", 26);
137 insert_sreg ("k1", 27);
138 insert_sreg ("gp", 28);
139 insert_sreg ("sp", 29);
140 insert_sreg ("fp", 30);
141 insert_sreg ("ra", 31);
142 /* Special registers. */
143 insert_sreg ("pc", 0);
144 insert_sreg ("npc", 1);
145 insert_sreg ("iad", 2);
148 /* Subroutine check the string to match an register. */
151 match_sft_register (char *name)
153 #define MAX_REG_NO 35
154 /* Currently we have 35 software registers defined -
155 we borrowed from MIPS. */
156 static char *soft_reg[] =
158 "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
159 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9",
160 "s0", "s1", "s2", "s3", "s4", "s5", "s7", "k0", "k1",
161 "gp", "sp", "fp", "ra", "pc", "npc", "iad",
162 "EndofTab" /* End of the Table indicator */
164 char low_name[21], *ptr;
167 for (ptr = name,idx = 0; *ptr != '\0'; ptr++)
168 low_name[idx++] = TOLOWER (*ptr);
170 low_name[idx] = '\0';
173 while (idx < MAX_REG_NO && strcmp (soft_reg[idx], & low_name [0]))
176 return idx < MAX_REG_NO;
179 /* Subroutine check the string to match an register. */
182 is_ldst_registers (char *name)
186 /* The first character of the register name got to be either %, $, r of R. */
187 if ((ptr[0] == '%' || ptr[0] == '$' || ptr[0] == 'r' || ptr[0] == 'R')
188 && ISDIGIT ((unsigned char) ptr[1]))
191 /* Now check the software register representation. */
192 return match_sft_register (ptr);
195 /* Subroutine of s_proc so targets can choose a different default prefix.
196 If DEFAULT_PREFIX is NULL, use the target's "leading char". */
201 /* Record the current function so that we can issue an error message for
202 misplaced .func,.endfunc, and also so that .endfunc needs no
204 static char *current_name;
205 static char *current_label;
209 if (current_name == NULL)
211 as_bad (_("missing .proc"));
212 ignore_rest_of_line ();
216 current_name = current_label = NULL;
218 while (!is_end_of_line[(unsigned char) *input_line_pointer])
219 input_line_pointer++;
226 if (current_name != NULL)
228 as_bad (_(".endfunc missing for previous .proc"));
229 ignore_rest_of_line ();
233 delim1 = get_symbol_name (&name);
234 name = xstrdup (name);
235 *input_line_pointer = delim1;
236 SKIP_WHITESPACE_AFTER_NAME ();
238 if (*input_line_pointer != ',')
240 char leading_char = 0;
242 leading_char = bfd_get_symbol_leading_char (stdoutput);
243 /* Missing entry point, use function's name with the leading
247 unsigned len = strlen (name) + 1;
248 label = xmalloc (len + 1);
249 label[0] = leading_char;
250 memcpy (label + 1, name, len);
257 ++input_line_pointer;
259 delim2 = get_symbol_name (&label);
260 label = xstrdup (label);
261 (void) restore_line_pointer (delim2);
265 current_label = label;
267 demand_empty_rest_of_line ();
270 /* This function is called once, at assembler startup time. It should
271 set up all the tables, etc., that the MD part of the assembler will
277 const char *retval = NULL;
281 /* Create a new hash table. */
282 op_hash = hash_new ();
284 /* Hash up all the opcodes for fast use later. */
285 for (i = 0; i < num_dlx_opcodes; i++)
287 const char *name = machine_opcodes[i].name;
289 retval = hash_insert (op_hash, name, (void *) &machine_opcodes[i]);
293 fprintf (stderr, _("internal error: can't hash `%s': %s\n"),
294 machine_opcodes[i].name, retval);
300 as_fatal (_("Broken assembler. No assembly attempted."));
305 /* This function will check the opcode and return 1 if the opcode is one
306 of the load/store instruction, and it will fix the operand string to
307 the standard form so we can use the standard parse_operand routine. */
309 #define READ_OP 0x100
310 #define WRITE_OP 0x200
311 static char iBuf[81];
314 dlx_parse_loadop (char * str)
319 /* The last pair of ()/[] is the register, all other are the
320 reloc displacement, and if there is a register then it ought
321 to have a pair of ()/[]
322 This is not necessarily true, what if the load instruction come
323 without the register and with %hi/%lo modifier? */
324 for (idx = 0; idx < 72 && ptr[idx] != '\0'; idx++)
330 as_bad (_("Bad operand for a load instruction: <%s>"), str);
337 char rs1[7], rd[7], endm, match = '0';
352 /* No register indicated, fill in zero. */
363 /* Searching for (/[ which will match the ]/). */
364 for (pb = idx - 1; str[pb] != match; pb -= 1)
365 /* Match can only be either '[' or '(', if it is
366 '(' then this can be a normal expression, we'll treat
368 if (str[pb] == endm || pb < (idx - 5))
372 for (i = 0; (pb + i) < idx; i++)
377 if (is_ldst_registers (& rs1[0]))
378 /* Point to the last character of the imm. */
384 goto badoperand_load;
385 /* No register indicated, fill in zero and restore the imm. */
393 /* Duplicate the first register. */
394 for (i = 0; i < 7 && str[i] != ','; i++)
398 goto badoperand_load;
404 /* Put the '\0' back in. */
407 for (i++, m2 = 0; i < pb; m2++,i++)
412 /* Assemble the instruction to gas internal format. */
413 for (i = 0; rd[i] != '\0'; i++)
418 for (pb = 0 ; rs1[pb] != '\0'; i++, pb++)
423 for (pb = 0; imm[pb] != '\0'; i++, pb++)
432 dlx_parse_storeop (char * str)
437 /* Search for the ','. */
438 for (idx = 0; idx < 72 && ptr[idx] != ','; idx++)
444 as_bad (_("Bad operand for a store instruction: <%s>"), str);
449 /* idx now points to the ','. */
453 char rs1[7], rd[7], endm, match = '0';
456 /* Now parse the '(' and ')', and make idx point to ')'. */
469 /* No register indicated, fill in zero. */
480 /* Searching for (/[ which will match the ]/). */
481 for (pb = idx - 1; str[pb] != match; pb -= 1)
482 if (pb < (idx - 5) || str[pb] == endm)
486 for (i = 0; (pb + i) < idx; i++)
487 rs1[i] = str[pb + i];
491 if (is_ldst_registers (& rs1[0]))
492 /* Point to the last character of the imm. */
498 goto badoperand_store;
500 /* No register indicated, fill in zero and restore the imm. */
508 /* No register was specified. */
511 /* Duplicate the first register. */
512 for (i = comma + 1; (str[i] == ' ' || str[i] == '\t'); i++)
515 for (m2 = 0; (m2 < 7 && str[i] != '\0'); i++, m2++)
517 if (str[i] != ' ' && str[i] != '\t')
520 goto badoperand_store;
524 goto badoperand_store;
529 for (i = 0; i < pb; i++)
534 /* Assemble the instruction to gas internal format. */
535 for (i = 0; rd[i] != '\0'; i++)
538 for (pb = 0 ; rs1[pb] != '\0'; i++, pb++)
541 for (pb = 0; imm[pb] != '\0'; i++, pb++)
549 fix_ld_st_operand (unsigned long opcode, char* str)
551 /* Check the opcode. */
552 switch ((int) opcode)
562 return dlx_parse_loadop (str);
566 return dlx_parse_storeop (str);
573 hilo_modifier_ok (char *s)
581 for (idx = 1; ptr[idx] != '\0' && ptr[idx] != '[' && idx < 73; idx += 1)
593 return (count == 0) ? 1:0;
597 parse_operand (char *s, expressionS *operandp)
599 char *save = input_line_pointer;
602 the_insn.HI = the_insn.LO = 0;
604 /* Search for %hi and %lo, make a mark and skip it. */
605 if (strncmp (s, "%hi", 3) == 0)
612 if (strncmp (s, "%lo", 3) == 0)
621 if (the_insn.HI || the_insn.LO)
623 if (!hilo_modifier_ok (s))
624 as_bad (_("Expression Error for operand modifier %%hi/%%lo\n"));
627 /* Check for the % and $ register representation */
628 if ((s[0] == '%' || s[0] == '$' || s[0] == 'r' || s[0] == 'R')
629 && ISDIGIT ((unsigned char) s[1]))
631 /* We have a numeric register expression. No biggy. */
633 input_line_pointer = s;
634 (void) expression (operandp);
635 if (operandp->X_op != O_constant
636 || operandp->X_add_number > 31)
637 as_bad (_("Invalid expression after %%%%\n"));
638 operandp->X_op = O_register;
642 /* Normal operand parsing. */
643 input_line_pointer = s;
644 (void) expression (operandp);
647 new_pos = input_line_pointer;
648 input_line_pointer = save;
652 /* Instruction parsing. Takes a string containing the opcode.
653 Operands are at input_line_pointer. Output is in the_insn.
654 Warnings or errors are generated. */
657 machine_ip (char *str)
661 struct machine_opcode *insn;
662 unsigned long opcode;
663 expressionS the_operand;
664 expressionS *operand = &the_operand;
665 unsigned int reg, reg_shift = 0;
667 memset (&the_insn, '\0', sizeof (the_insn));
668 the_insn.reloc = NO_RELOC;
670 /* Fixup the opcode string to all lower cases, and also
671 allow numerical digits. */
675 for (; ISALNUM (*s); ++s)
684 /* FIXME-SOMEDAY more whitespace. */
690 as_bad (_("Unknown opcode: `%s'"), str);
694 /* Hash the opcode, insn will have the string from opcode table. */
695 if ((insn = (struct machine_opcode *) hash_find (op_hash, str)) == NULL)
697 /* Handle the ret and return macro here. */
698 if ((strcmp (str, "ret") == 0) || (strcmp (str, "return") == 0))
699 the_insn.opcode = JROP | 0x03e00000; /* 0x03e00000 = r31 << 21 */
701 as_bad (_("Unknown opcode `%s'."), str);
706 opcode = insn->opcode;
708 /* Set the sip reloc HI16 flag. */
709 if (!set_dlx_skip_hi16_flag (1))
710 as_bad (_("Can not set dlx_skip_hi16_flag"));
712 /* Fix the operand string if it is one of load store instructions. */
713 s = fix_ld_st_operand (opcode, s);
715 /* Build the opcode, checking as we go to make sure that the
717 If an operand matches, we modify the_insn or opcode appropriately,
718 and do a "continue". If an operand fails to match, we "break". */
719 if (insn->args[0] != '\0' && insn->args[0] != 'N')
721 /* Prime the pump. */
724 as_bad (_("Missing arguments for opcode <%s>."), str);
728 s = parse_operand (s, operand);
730 else if (insn->args[0] == 'N')
732 /* Clean up the insn and done! */
733 the_insn.opcode = opcode;
737 /* Parse through the args (this is from opcode table), *s point to
738 the current character of the instruction stream. */
739 for (args = insn->args;; ++args)
748 /* We are truly done. */
749 the_insn.opcode = opcode;
750 /* Clean up the HI and LO mark. */
758 as_bad (_("Too many operands: %s"), s);
761 /* ',' Args separator */
763 /* Must match a comma. */
766 /* Parse next operand. */
767 s = parse_operand (s, operand);
772 /* It can be a 'a' register or 'i' operand. */
774 /* Macro move operand/reg. */
775 if (operand->X_op == O_register)
777 /* Its a register. */
782 /* The immediate 16 bits literal, bit 0-15. */
784 /* offset, unsigned. */
786 /* offset, signed. */
787 if (operand->X_op == O_constant)
790 operand->X_add_number >>= 16;
792 opcode |= operand->X_add_number & 0xFFFF;
794 if (the_insn.HI && the_insn.LO)
795 as_bad (_("Both the_insn.HI and the_insn.LO are set : %s"), s);
804 the_insn.reloc = (the_insn.HI) ? RELOC_DLX_HI16
805 : (the_insn.LO ? RELOC_DLX_LO16 : RELOC_DLX_16);
806 the_insn.reloc_offset = 2;
809 the_insn.exp = * operand;
815 /* offset, signed. */
816 if (operand->X_op == O_constant)
818 opcode |= operand->X_add_number & 0xFFFF;
821 the_insn.reloc = RELOC_DLX_REL16;
822 the_insn.reloc_offset = 0; /* BIG-ENDIAN Byte 3 of insn. */
825 the_insn.exp = *operand;
828 /* The immediate 26 bits literal, bit 0-25. */
830 /* offset, signed. */
831 if (operand->X_op == O_constant)
833 opcode |= operand->X_add_number & 0x3FFFFFF;
836 the_insn.reloc = RELOC_DLX_REL26;
837 the_insn.reloc_offset = 0; /* BIG-ENDIAN Byte 3 of insn. */
840 the_insn.exp = *operand;
843 /* Type 'a' Register. */
845 /* A general register at bits 21-25, rs1. */
849 /* Type 'b' Register. */
851 /* A general register at bits 16-20, rs2/rd. */
855 /* Type 'c' Register. */
857 /* A general register at bits 11-15, rd. */
861 know (operand->X_add_symbol == 0);
862 know (operand->X_op_symbol == 0);
863 reg = operand->X_add_number;
864 if (reg & 0xffffffe0)
865 as_fatal (_("failed regnum sanity check."));
867 /* Got the register, now figure out where it goes in the opcode. */
868 opcode |= reg << reg_shift;
878 as_fatal (_("failed general register sanity check."));
885 /* Types or values of args don't match. */
886 as_bad (_("Invalid operands"));
891 /* Assemble a single instruction. Its label has already been handled
892 by the generic front end. We just parse opcode and operands, and
893 produce the bytes of data and relocation. */
896 md_assemble (char *str)
905 dwarf2_emit_insn (4);
907 /* Put out the opcode. */
908 md_number_to_chars (toP, the_insn.opcode, 4);
910 /* Put out the symbol-dependent stuff. */
911 if (the_insn.reloc != NO_RELOC)
913 fixP = fix_new_exp (frag_now,
914 (toP - frag_now->fr_literal + the_insn.reloc_offset),
915 the_insn.size, & the_insn.exp, the_insn.pcrel,
918 /* Turn off complaints that the addend is
919 too large for things like foo+100000@ha. */
920 switch (the_insn.reloc)
924 fixP->fx_no_overflow = 1;
930 switch (fixP->fx_r_type)
932 case RELOC_DLX_REL26:
933 bitP = malloc (sizeof (bit_fixS));
934 bitP->fx_bit_size = 26;
935 bitP->fx_bit_offset = 25;
936 bitP->fx_bit_base = the_insn.opcode & 0xFC000000;
937 bitP->fx_bit_base_adj = 0;
938 bitP->fx_bit_max = 0;
939 bitP->fx_bit_min = 0;
940 bitP->fx_bit_add = 0x03FFFFFF;
941 fixP->fx_bit_fixP = bitP;
944 case RELOC_DLX_REL16:
945 bitP = malloc (sizeof (bit_fixS));
946 bitP->fx_bit_size = 16;
947 bitP->fx_bit_offset = 15;
948 bitP->fx_bit_base = the_insn.opcode & 0xFFFF0000;
949 bitP->fx_bit_base_adj = 0;
950 bitP->fx_bit_max = 0;
951 bitP->fx_bit_min = 0;
952 bitP->fx_bit_add = 0x0000FFFF;
953 fixP->fx_bit_fixP = bitP;
956 bitP = malloc (sizeof (bit_fixS));
957 bitP->fx_bit_size = 16;
958 bitP->fx_bit_offset = 15;
959 bitP->fx_bit_base = the_insn.opcode & 0xFFFF0000;
960 bitP->fx_bit_base_adj = 0;
961 bitP->fx_bit_max = 0;
962 bitP->fx_bit_min = 0;
963 bitP->fx_bit_add = 0x0000FFFF;
964 fixP->fx_bit_fixP = bitP;
967 fixP->fx_bit_fixP = NULL;
973 /* This is identical to the md_atof in m68k.c. I think this is right,
974 but I'm not sure. Dlx will not use it anyway, so I just leave it
978 md_atof (int type, char *litP, int *sizeP)
980 return ieee_md_atof (type, litP, sizeP, TRUE);
983 /* Write out big-endian. */
985 md_number_to_chars (char *buf, valueT val, int n)
987 number_to_chars_bigendian (buf, val, n);
991 md_dlx_fix_adjustable (fixS *fixP)
993 /* We need the symbol name for the VTABLE entries. */
994 return (fixP->fx_r_type != BFD_RELOC_VTABLE_INHERIT
995 && fixP->fx_r_type != BFD_RELOC_VTABLE_ENTRY);
999 md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
1002 char *place = fixP->fx_where + fixP->fx_frag->fr_literal;
1004 switch (fixP->fx_r_type)
1006 case RELOC_DLX_LO16:
1007 case RELOC_DLX_REL16:
1008 if (fixP->fx_bit_fixP != NULL)
1010 val = (val & 0x0000FFFF) | fixP->fx_bit_fixP->fx_bit_base;
1011 free (fixP->fx_bit_fixP);
1012 fixP->fx_bit_fixP = NULL;
1016 know ((fixP->fx_bit_fixP != NULL));
1020 case RELOC_DLX_HI16:
1021 if (fixP->fx_bit_fixP != NULL)
1023 val = (val >> 16) | fixP->fx_bit_fixP->fx_bit_base;
1024 free (fixP->fx_bit_fixP);
1025 fixP->fx_bit_fixP = NULL;
1029 know ((fixP->fx_bit_fixP != NULL));
1033 case RELOC_DLX_REL26:
1034 if (fixP->fx_bit_fixP != NULL)
1036 val = (val & 0x03FFFFFF) | fixP->fx_bit_fixP->fx_bit_base;
1037 free (fixP->fx_bit_fixP);
1038 fixP->fx_bit_fixP = NULL;
1042 know ((fixP->fx_bit_fixP != NULL));
1046 case BFD_RELOC_VTABLE_INHERIT:
1047 /* This borrowed from tc-ppc.c on a whim. */
1050 && !S_IS_DEFINED (fixP->fx_addsy)
1051 && !S_IS_WEAK (fixP->fx_addsy))
1052 S_SET_WEAK (fixP->fx_addsy);
1055 case BFD_RELOC_VTABLE_ENTRY:
1063 number_to_chars_bigendian (place, val, fixP->fx_size);
1064 if (fixP->fx_addsy == NULL)
1068 const char *md_shortopts = "";
1070 struct option md_longopts[] =
1072 {NULL, no_argument, NULL, 0}
1075 size_t md_longopts_size = sizeof (md_longopts);
1078 md_parse_option (int c ATTRIBUTE_UNUSED,
1079 char *arg ATTRIBUTE_UNUSED)
1085 md_show_usage (FILE *stream ATTRIBUTE_UNUSED)
1089 /* This is called when a line is unrecognized. */
1092 dlx_unrecognized_line (int c)
1097 if (c != '$' || ! ISDIGIT ((unsigned char) input_line_pointer[0]))
1100 s = input_line_pointer;
1103 while (ISDIGIT ((unsigned char) *s))
1105 lab = lab * 10 + *s - '0';
1110 /* Not a label definition. */
1113 if (dollar_label_defined (lab))
1115 as_bad (_("label \"$%d\" redefined"), lab);
1119 define_dollar_label (lab);
1120 colon (dollar_label_name (lab, 0));
1121 input_line_pointer = s + 1;
1126 /* Default the values of symbols known that should be "predefined". We
1127 don't bother to predefine them unless you actually use one, since there
1128 are a lot of them. */
1131 md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
1136 /* Parse an operand that is machine-specific, the function was called
1137 in expr.c by operand() function, when everything failed before it
1141 md_operand (expressionS* expressionP)
1143 /* Check for the #number representation */
1144 if (input_line_pointer[0] == '#' &&
1145 ISDIGIT ((unsigned char) input_line_pointer[1]))
1147 /* We have a numeric number expression. No biggy. */
1148 input_line_pointer += 1; /* Skip # */
1150 (void) expression (expressionP);
1152 if (expressionP->X_op != O_constant)
1153 as_bad (_("Invalid expression after # number\n"));
1159 /* Round up a section size to the appropriate boundary. */
1162 md_section_align (segT segment ATTRIBUTE_UNUSED,
1165 /* Byte alignment is fine. */
1169 /* Exactly what point is a PC-relative offset relative TO?
1170 On the 29000, they're relative to the address of the instruction,
1171 which we have set up as the address of the fixup too. */
1174 md_pcrel_from (fixS* fixP)
1176 return 4 + fixP->fx_where + fixP->fx_frag->fr_address;
1179 /* Translate internal representation of relocation info to BFD target
1181 FIXME: To what extent can we get all relevant targets to use this?
1182 The above FIXME is from a29k, but I think it is also needed here. */
1185 tc_gen_reloc (asection *section ATTRIBUTE_UNUSED,
1190 reloc = xmalloc (sizeof (arelent));
1191 reloc->howto = bfd_reloc_type_lookup (stdoutput, fixP->fx_r_type);
1193 if (reloc->howto == NULL)
1195 as_bad_where (fixP->fx_file, fixP->fx_line,
1196 _("internal error: can't export reloc type %d (`%s')"),
1198 bfd_get_reloc_code_name (fixP->fx_r_type));
1202 gas_assert (!fixP->fx_pcrel == !reloc->howto->pc_relative);
1204 reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
1205 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixP->fx_addsy);
1206 reloc->address = fixP->fx_frag->fr_address + fixP->fx_where;
1208 if (fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
1209 reloc->address = fixP->fx_offset;
1216 dlx_pseudo_table[] =
1218 /* Some additional ops that are used by gcc-dlx. */
1219 {"asciiz", stringer, 8 + 1},
1223 {"proc", s_proc, 0},
1224 {"endproc", s_proc, 1},
1229 dlx_pop_insert (void)
1231 pop_insert (dlx_pseudo_table);