1 /* tc-a29k.c -- Assemble for the AMD 29000.
2 Copyright (C) 1989, 1990, 1991, 1992, 1993 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 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. */
20 /* John Gilmore has reorganized this module somewhat, to make it easier
21 to convert it to new machines' assemblers as desired. There was too
22 much bloody rewriting required before. There still probably is. */
27 #include "opcode/a29k.h"
29 /* Make it easier to clone this machine desc into another one. */
30 #define machine_opcode a29k_opcode
31 #define machine_opcodes a29k_opcodes
32 #define machine_ip a29k_ip
33 #define machine_it a29k_it
35 const relax_typeS md_relax_table[] =
40 #define IMMEDIATE_BIT 0x01000000 /* Turns RB into Immediate */
41 #define ABSOLUTE_BIT 0x01000000 /* Turns PC-relative to Absolute */
42 #define CE_BIT 0x00800000 /* Coprocessor enable in LOAD */
43 #define UI_BIT 0x00000080 /* Unsigned integer in CONVERT */
45 /* handle of the OPCODE hash table */
46 static struct hash_control *op_hash = NULL;
55 int reloc_offset; /* Offset of reloc within insn */
61 static void machine_ip PARAMS ((char *str));
62 /* static void print_insn PARAMS ((struct machine_it *insn)); */
64 static void s_data1 PARAMS ((void));
65 static void s_use PARAMS ((int));
71 {"align", s_align_bytes, 4},
72 {"block", s_space, 0},
73 {"cputype", s_ignore, 0}, /* CPU as 29000 or 29050 */
74 {"reg", s_lsym, 0}, /* Register equate, same as equ */
75 {"space", s_ignore, 0}, /* Listing control */
76 {"sect", s_ignore, 0}, /* Creation of coff sections */
78 /* We can do this right with coff. */
85 int md_short_jump_size = 4;
86 int md_long_jump_size = 4;
87 #if defined(BFD_HEADERS)
89 const int md_reloc_size = RELSZ; /* Coff headers */
91 const int md_reloc_size = 12; /* something else headers */
94 const int md_reloc_size = 12; /* Not bfdized*/
97 /* This array holds the chars that always start a comment. If the
98 pre-processor is disabled, these aren't very useful */
99 const char comment_chars[] = ";";
101 /* This array holds the chars that only start a comment at the beginning of
102 a line. If the line seems to have the form '# 123 filename'
103 .line and .file directives will appear in the pre-processed output */
104 /* Note that input_file.c hand checks for '#' at the beginning of the
105 first line of the input file. This is because the compiler outputs
106 #NO_APP at the beginning of its output. */
107 /* Also note that comments like this one will always work */
108 const char line_comment_chars[] = "#";
110 /* We needed an unused char for line separation to work around the
111 lack of macros, using sed and such. */
112 const char line_separator_chars[] = "@";
114 /* Chars that can be used to separate mant from exp in floating point nums */
115 const char EXP_CHARS[] = "eE";
117 /* Chars that mean this number is a floating point constant */
120 const char FLT_CHARS[] = "rRsSfFdDxXpP";
122 /* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
123 changed in read.c. Ideally it shouldn't have to know about it at
124 all, but nothing is ideal around here. */
126 static unsigned char octal[256];
127 #define isoctal(c) octal[c]
128 static unsigned char toHex[256];
131 * anull bit - causes the branch delay slot instructions to not be executed
133 #define ANNUL (1 << 29)
141 if (strncmp (input_line_pointer, ".text", 5) == 0)
143 input_line_pointer += 5;
147 if (strncmp (input_line_pointer, ".data", 5) == 0)
149 input_line_pointer += 5;
153 if (strncmp (input_line_pointer, ".data1", 6) == 0)
155 input_line_pointer += 6;
159 /* Literals can't go in the text segment because you can't read from
160 instruction memory on some 29k's. So, into initialized data. */
161 if (strncmp (input_line_pointer, ".lit", 4) == 0)
163 input_line_pointer += 4;
164 subseg_set (SEG_DATA, 200);
165 demand_empty_rest_of_line ();
169 as_bad ("Unknown segment type");
170 demand_empty_rest_of_line ();
176 subseg_set (SEG_DATA, 1);
177 demand_empty_rest_of_line ();
180 #endif /* OBJ_COFF */
182 /* Install symbol definition that maps REGNAME to REGNO.
183 FIXME-SOON: These are not recognized in mixed case. */
186 insert_sreg (regname, regnum)
190 /* FIXME-SOON, put something in these syms so they won't be output
191 to the symbol table of the resulting object file. */
193 /* Must be large enough to hold the names of the special registers. */
197 symbol_table_insert (symbol_new (regname, SEG_REGISTER, (valueT) regnum,
198 &zero_address_frag));
199 for (i = 0; regname[i]; i++)
200 buf[i] = islower (regname[i]) ? toupper (regname[i]) : regname[i];
203 symbol_table_insert (symbol_new (buf, SEG_REGISTER, (valueT) regnum,
204 &zero_address_frag));
207 /* Install symbol definitions for assorted special registers.
208 See ASM29K Ref page 2-9. */
215 /* Protected special-purpose register names */
216 insert_sreg ("vab", SREG + 0);
217 insert_sreg ("ops", SREG + 1);
218 insert_sreg ("cps", SREG + 2);
219 insert_sreg ("cfg", SREG + 3);
220 insert_sreg ("cha", SREG + 4);
221 insert_sreg ("chd", SREG + 5);
222 insert_sreg ("chc", SREG + 6);
223 insert_sreg ("rbp", SREG + 7);
224 insert_sreg ("tmc", SREG + 8);
225 insert_sreg ("tmr", SREG + 9);
226 insert_sreg ("pc0", SREG + 10);
227 insert_sreg ("pc1", SREG + 11);
228 insert_sreg ("pc2", SREG + 12);
229 insert_sreg ("mmu", SREG + 13);
230 insert_sreg ("lru", SREG + 14);
232 /* Additional protected special-purpose registers for the 29050 */
233 insert_sreg ("rsn", SREG + 15);
234 insert_sreg ("rma0", SREG + 16);
235 insert_sreg ("rmc0", SREG + 17);
236 insert_sreg ("rma1", SREG + 18);
237 insert_sreg ("rmc1", SREG + 19);
238 insert_sreg ("spc0", SREG + 20);
239 insert_sreg ("spc1", SREG + 21);
240 insert_sreg ("spc2", SREG + 22);
241 insert_sreg ("iba0", SREG + 23);
242 insert_sreg ("ibc0", SREG + 24);
243 insert_sreg ("iba1", SREG + 25);
244 insert_sreg ("ibc1", SREG + 26);
246 /* Unprotected special-purpose register names */
247 insert_sreg ("ipc", SREG + 128);
248 insert_sreg ("ipa", SREG + 129);
249 insert_sreg ("ipb", SREG + 130);
250 insert_sreg ("q", SREG + 131);
251 insert_sreg ("alu", SREG + 132);
252 insert_sreg ("bp", SREG + 133);
253 insert_sreg ("fc", SREG + 134);
254 insert_sreg ("cr", SREG + 135);
255 insert_sreg ("fpe", SREG + 160);
256 insert_sreg ("inte", SREG + 161);
257 insert_sreg ("fps", SREG + 162);
258 /* "", SREG+163); Reserved */
259 insert_sreg ("exop", SREG + 164);
262 /* This function is called once, at assembler startup time. It should
263 set up all the tables, etc., that the MD part of the assembler will
268 register const char *retval = NULL;
270 register int skipnext = 0;
271 register unsigned int i;
272 register char *strend, *strend2;
274 /* Hash up all the opcodes for fast use later. */
276 op_hash = hash_new ();
278 for (i = 0; i < num_opcodes; i++)
280 const char *name = machine_opcodes[i].name;
288 /* Hack to avoid multiple opcode entries. We pre-locate all the
289 variations (b/i field and P/A field) and handle them. */
291 if (!strcmp (name, machine_opcodes[i + 1].name))
293 if ((machine_opcodes[i].opcode & 0x01000000) != 0
294 || (machine_opcodes[i + 1].opcode & 0x01000000) == 0
295 || ((machine_opcodes[i].opcode | 0x01000000)
296 != machine_opcodes[i + 1].opcode))
298 strend = machine_opcodes[i].args + strlen (machine_opcodes[i].args) - 1;
299 strend2 = machine_opcodes[i + 1].args + strlen (machine_opcodes[i + 1].args) - 1;
312 fprintf (stderr, "internal error: can't handle opcode %s\n",
317 /* OK, this is an i/b or A/P pair. We skip the
318 higher-valued one, and let the code for operand checking
319 handle OR-ing in the bit. */
323 retval = hash_insert (op_hash, name, (PTR) &machine_opcodes[i]);
326 fprintf (stderr, "internal error: can't hash `%s': %s\n",
327 machine_opcodes[i].name, retval);
333 as_fatal ("Broken assembler. No assembly attempted.");
335 for (i = '0'; i < '8'; ++i)
337 for (i = '0'; i <= '9'; ++i)
339 for (i = 'a'; i <= 'f'; ++i)
340 toHex[i] = i + 10 - 'a';
341 for (i = 'A'; i <= 'F'; ++i)
342 toHex[i] = i + 10 - 'A';
347 /* Assemble a single instruction. Its label has already been handled
348 by the generic front end. We just parse opcode and operands, and
349 produce the bytes of data and relocation. */
360 /* put out the opcode */
361 md_number_to_chars (toP, the_insn.opcode, 4);
363 /* put out the symbol-dependent stuff */
364 if (the_insn.reloc != NO_RELOC)
366 fix_new_exp (frag_now,
367 (toP - frag_now->fr_literal + the_insn.reloc_offset),
376 parse_operand (s, operandp)
378 expressionS *operandp;
380 char *save = input_line_pointer;
383 input_line_pointer = s;
384 expression (operandp);
385 if (operandp->X_op == O_absent)
386 as_bad ("missing operand");
387 new = input_line_pointer;
388 input_line_pointer = save;
392 /* Instruction parsing. Takes a string containing the opcode.
393 Operands are at input_line_pointer. Output is in the_insn.
394 Warnings or errors are generated. */
402 struct machine_opcode *insn;
404 unsigned long opcode;
405 expressionS the_operand;
406 expressionS *operand = &the_operand;
409 /* Must handle `div0' opcode. */
412 for (; isalnum (*s); ++s)
421 case ' ': /* FIXME-SOMEDAY more whitespace */
426 as_bad ("Unknown opcode: `%s'", str);
429 if ((insn = (struct machine_opcode *) hash_find (op_hash, str)) == NULL)
431 as_bad ("Unknown opcode `%s'.", str);
435 opcode = insn->opcode;
436 memset (&the_insn, '\0', sizeof (the_insn));
437 the_insn.reloc = NO_RELOC;
439 /* Build the opcode, checking as we go to make sure that the
442 If an operand matches, we modify the_insn or opcode appropriately,
443 and do a "continue". If an operand fails to match, we "break". */
445 if (insn->args[0] != '\0')
446 s = parse_operand (s, operand); /* Prime the pump */
448 for (args = insn->args;; ++args)
453 case '\0': /* end of args */
456 /* We are truly done. */
457 the_insn.opcode = opcode;
460 as_bad ("Too many operands: %s", s);
463 case ',': /* Must match a comma */
466 s = parse_operand (s, operand); /* Parse next opnd */
471 case 'v': /* Trap numbers (immediate field) */
472 if (operand->X_op == O_constant)
474 if (operand->X_add_number < 256)
476 opcode |= (operand->X_add_number << 16);
481 as_bad ("Immediate value of %ld is too large",
482 (long) operand->X_add_number);
486 the_insn.reloc = RELOC_8;
487 the_insn.reloc_offset = 1; /* BIG-ENDIAN Byte 1 of insn */
488 the_insn.exp = *operand;
491 case 'b': /* A general register or 8-bit immediate */
493 /* We treat the two cases identically since we mashed
494 them together in the opcode table. */
495 if (operand->X_op == O_register)
498 /* Make sure the 'i' case really exists. */
499 if ((insn->opcode | IMMEDIATE_BIT) != (insn + 1)->opcode)
502 opcode |= IMMEDIATE_BIT;
503 if (operand->X_op == O_constant)
505 if (operand->X_add_number < 256)
507 opcode |= operand->X_add_number;
512 as_bad ("Immediate value of %ld is too large",
513 (long) operand->X_add_number);
517 the_insn.reloc = RELOC_8;
518 the_insn.reloc_offset = 3; /* BIG-ENDIAN Byte 3 of insn */
519 the_insn.exp = *operand;
522 case 'a': /* next operand must be a register */
525 /* lrNNN or grNNN or %%expr or a user-def register name */
526 if (operand->X_op != O_register)
527 break; /* Only registers */
528 know (operand->X_add_symbol == 0);
529 know (operand->X_op_symbol == 0);
530 reg = operand->X_add_number;
532 break; /* No special registers */
534 /* Got the register, now figure out where it goes in the
551 as_fatal ("failed sanity check.");
554 case 'x': /* 16 bit constant, zero-extended */
555 case 'X': /* 16 bit constant, one-extended */
556 if (operand->X_op == O_constant)
558 opcode |= (operand->X_add_number & 0xFF) << 0 |
559 ((operand->X_add_number & 0xFF00) << 8);
562 the_insn.reloc = RELOC_CONST;
563 the_insn.exp = *operand;
567 if (operand->X_op == O_constant)
569 opcode |= (operand->X_add_number & 0x00FF0000) >> 16 |
570 (((unsigned long) operand->X_add_number
571 /* avoid sign ext */ & 0xFF000000) >> 8);
574 the_insn.reloc = RELOC_CONSTH;
575 the_insn.exp = *operand;
578 case 'P': /* PC-relative jump address */
579 case 'A': /* Absolute jump address */
580 /* These two are treated together since we folded the
581 opcode table entries together. */
582 if (operand->X_op == O_constant)
584 /* Make sure the 'A' case really exists. */
585 if ((insn->opcode | ABSOLUTE_BIT) != (insn + 1)->opcode)
587 opcode |= ABSOLUTE_BIT |
588 (operand->X_add_number & 0x0003FC00) << 6 |
589 ((operand->X_add_number & 0x000003FC) >> 2);
592 the_insn.reloc = RELOC_JUMPTARG;
593 the_insn.exp = *operand;
594 the_insn.pcrel = 1; /* Assume PC-relative jump */
595 /* FIXME-SOON, Do we figure out whether abs later, after
599 case 'e': /* Coprocessor enable bit for LOAD/STORE insn */
600 if (operand->X_op == O_constant)
602 if (operand->X_add_number == 0)
604 if (operand->X_add_number == 1)
612 case 'n': /* Control bits for LOAD/STORE instructions */
613 if (operand->X_op == O_constant &&
614 operand->X_add_number < 128)
616 opcode |= (operand->X_add_number << 16);
621 case 's': /* Special register number */
622 if (operand->X_op != O_register)
623 break; /* Only registers */
624 if (operand->X_add_number < SREG)
625 break; /* Not a special register */
626 opcode |= (operand->X_add_number & 0xFF) << 8;
629 case 'u': /* UI bit of CONVERT */
630 if (operand->X_op == O_constant)
632 if (operand->X_add_number == 0)
634 if (operand->X_add_number == 1)
642 case 'r': /* RND bits of CONVERT */
643 if (operand->X_op == O_constant &&
644 operand->X_add_number < 8)
646 opcode |= operand->X_add_number << 4;
651 case 'd': /* FD bits of CONVERT */
652 if (operand->X_op == O_constant &&
653 operand->X_add_number < 4)
655 opcode |= operand->X_add_number << 2;
661 case 'f': /* FS bits of CONVERT */
662 if (operand->X_op == O_constant &&
663 operand->X_add_number < 4)
665 opcode |= operand->X_add_number << 0;
671 if (operand->X_op == O_constant &&
672 operand->X_add_number < 4)
674 opcode |= operand->X_add_number << 16;
680 if (operand->X_op == O_constant &&
681 operand->X_add_number < 16)
683 opcode |= operand->X_add_number << 18;
691 /* Types or values of args don't match. */
692 as_bad ("Invalid operands");
697 /* This is identical to the md_atof in m68k.c. I think this is right,
700 Turn a string in input_line_pointer into a floating point constant
701 of type type, and store the appropriate bytes in *litP. The number
702 of LITTLENUMS emitted is stored in *sizeP . An error message is
703 returned, or NULL on OK. */
705 /* Equal to MAX_PRECISION in atof-ieee.c */
706 #define MAX_LITTLENUMS 6
709 md_atof (type, litP, sizeP)
715 LITTLENUM_TYPE words[MAX_LITTLENUMS];
716 LITTLENUM_TYPE *wordP;
748 return "Bad call to MD_ATOF()";
750 t = atof_ieee (input_line_pointer, type, words);
752 input_line_pointer = t;
753 *sizeP = prec * sizeof (LITTLENUM_TYPE);
754 for (wordP = words; prec--;)
756 md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE));
757 litP += sizeof (LITTLENUM_TYPE);
763 * Write out big-endian.
766 md_number_to_chars (buf, val, n)
771 number_to_chars_bigendian (buf, val, n);
775 md_apply_fix (fixP, val)
779 char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
781 fixP->fx_addnumber = val; /* Remember value for emit_reloc */
784 know (fixP->fx_size == 4);
785 know (fixP->fx_r_type < NO_RELOC);
787 /* This is a hack. There should be a better way to handle this. */
788 if (fixP->fx_r_type == RELOC_WDISP30 && fixP->fx_addsy)
790 val += fixP->fx_where + fixP->fx_frag->fr_address;
793 switch (fixP->fx_r_type)
808 val = (val >>= 2) + 1;
809 buf[0] |= (val >> 24) & 0x3f;
810 buf[1] = (val >> 16);
816 buf[1] |= (val >> 26) & 0x3f;
822 buf[2] |= (val >> 8) & 0x03;
827 buf[2] |= (val >> 8) & 0x1f;
832 val = (val >>= 2) + 1;
835 buf[1] |= (val >> 16) & 0x3f;
849 case RELOC_JUMPTARG: /* 00XX00XX pattern in a word */
850 buf[1] = val >> 10; /* Holds bits 0003FFFC of address */
854 case RELOC_CONST: /* 00XX00XX pattern in a word */
855 buf[1] = val >> 8; /* Holds bits 0000XXXX */
859 case RELOC_CONSTH: /* 00XX00XX pattern in a word */
860 buf[1] = val >> 24; /* Holds bits XXXX0000 */
866 as_bad ("bad relocation type: 0x%02x", fixP->fx_r_type);
873 tc_coff_fix2rtype (fixP)
877 switch (fixP->fx_r_type)
890 printf ("need %o3\n", fixP->fx_r_type);
892 } /* switch on type */
897 #endif /* OBJ_COFF */
899 /* should never be called for 29k */
901 md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
903 addressT from_addr, to_addr;
907 as_fatal ("a29k_create_short_jmp\n");
910 /* should never be called for 29k */
912 md_convert_frag (headers, fragP)
913 object_headers *headers;
914 register fragS *fragP;
916 as_fatal ("a29k_convert_frag\n");
919 /* should never be called for 29k */
921 md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
928 as_fatal ("a29k_create_long_jump\n");
931 /* should never be called for a29k */
933 md_estimate_size_before_relax (fragP, segtype)
934 register fragS *fragP;
937 as_fatal ("a29k_estimate_size_before_relax\n");
942 /* for debugging only */
945 struct machine_it *insn;
978 fprintf (stderr, "ERROR: %s\n");
980 fprintf (stderr, "opcode=0x%08x\n", insn->opcode);
981 fprintf (stderr, "reloc = %s\n", Reloc[insn->reloc]);
982 fprintf (stderr, "exp = {\n");
983 fprintf (stderr, "\t\tX_add_symbol = %s\n",
984 insn->exp.X_add_symbol ?
985 (S_GET_NAME (insn->exp.X_add_symbol) ?
986 S_GET_NAME (insn->exp.X_add_symbol) : "???") : "0");
987 fprintf (stderr, "\t\tX_op_symbol = %s\n",
988 insn->exp.X_op_symbol ?
989 (S_GET_NAME (insn->exp.X_op_symbol) ?
990 S_GET_NAME (insn->exp.X_op_symbol) : "???") : "0");
991 fprintf (stderr, "\t\tX_add_number = %d\n",
992 insn->exp.X_add_number);
993 fprintf (stderr, "}\n");
998 /* Translate internal representation of relocation info to target format.
1000 On sparc/29k: first 4 bytes are normal unsigned long address, next three
1001 bytes are index, most sig. byte first. Byte 7 is broken up with
1002 bit 7 as external, bits 6 & 5 unused, and the lower
1003 five bits as relocation type. Next 4 bytes are long addend. */
1009 tc_aout_fix_to_chars (where, fixP, segment_address_in_file)
1012 relax_addressT segment_address_in_file;
1016 know (fixP->fx_r_type < NO_RELOC);
1017 know (fixP->fx_addsy != NULL);
1019 md_number_to_chars (where,
1020 fixP->fx_frag->fr_address + fixP->fx_where - segment_address_in_file,
1023 r_symbolnum = (S_IS_DEFINED (fixP->fx_addsy)
1024 ? S_GET_TYPE (fixP->fx_addsy)
1025 : fixP->fx_addsy->sy_number);
1027 where[4] = (r_symbolnum >> 16) & 0x0ff;
1028 where[5] = (r_symbolnum >> 8) & 0x0ff;
1029 where[6] = r_symbolnum & 0x0ff;
1030 where[7] = (((!S_IS_DEFINED (fixP->fx_addsy)) << 7) & 0x80) | (0 & 0x60) | (fixP->fx_r_type & 0x1F);
1032 md_number_to_chars (&where[8], fixP->fx_addnumber, 4);
1035 #endif /* OBJ_AOUT */
1038 md_parse_option (argP, cntP, vecP)
1047 /* Default the values of symbols known that should be "predefined". We
1048 don't bother to predefine them unless you actually use one, since there
1049 are a lot of them. */
1052 md_undefined_symbol (name)
1056 char testbuf[5 + /*SLOP*/ 5];
1058 if (name[0] == 'g' || name[0] == 'G' || name[0] == 'l' || name[0] == 'L')
1060 /* Perhaps a global or local register name */
1061 if (name[1] == 'r' || name[1] == 'R')
1063 /* Parse the number, make sure it has no extra zeroes or trailing
1065 regnum = atol (&name[2]);
1068 sprintf (testbuf, "%ld", regnum);
1069 if (strcmp (testbuf, &name[2]) != 0)
1070 return 0; /* gr007 or lr7foo or whatever */
1072 /* We have a wiener! Define and return a new symbol for it. */
1073 if (name[0] == 'l' || name[0] == 'L')
1075 return (symbol_new (name, SEG_REGISTER, (valueT) regnum,
1076 &zero_address_frag));
1083 /* Parse an operand that is machine-specific. */
1086 md_operand (expressionP)
1087 expressionS *expressionP;
1090 if (input_line_pointer[0] == '%' && input_line_pointer[1] == '%')
1092 /* We have a numeric register expression. No biggy. */
1093 input_line_pointer += 2; /* Skip %% */
1094 (void) expression (expressionP);
1095 if (expressionP->X_op != O_constant
1096 || expressionP->X_add_number > 255)
1097 as_bad ("Invalid expression after %%%%\n");
1098 expressionP->X_op = O_register;
1100 else if (input_line_pointer[0] == '&')
1102 /* We are taking the 'address' of a register...this one is not
1103 in the manual, but it *is* in traps/fpsymbol.h! What they
1104 seem to want is the register number, as an absolute number. */
1105 input_line_pointer++; /* Skip & */
1106 (void) expression (expressionP);
1107 if (expressionP->X_op != O_register)
1108 as_bad ("Invalid register in & expression");
1110 expressionP->X_op = O_constant;
1114 /* Round up a section size to the appropriate boundary. */
1116 md_section_align (segment, size)
1120 return size; /* Byte alignment is fine */
1123 /* Exactly what point is a PC-relative offset relative TO?
1124 On the 29000, they're relative to the address of the instruction,
1125 which we have set up as the address of the fixup too. */
1127 md_pcrel_from (fixP)
1130 return fixP->fx_where + fixP->fx_frag->fr_address;
1133 /* end of tc-a29k.c */