| 1 | /* as.h - global header file | 
|---|
| 2 | Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | 
|---|
| 3 | 1999, 2000, 2001, 2002, 2003 | 
|---|
| 4 | Free Software Foundation, Inc. | 
|---|
| 5 |  | 
|---|
| 6 | This file is part of GAS, the GNU Assembler. | 
|---|
| 7 |  | 
|---|
| 8 | GAS is free software; you can redistribute it and/or modify | 
|---|
| 9 | it under the terms of the GNU General Public License as published by | 
|---|
| 10 | the Free Software Foundation; either version 2, or (at your option) | 
|---|
| 11 | any later version. | 
|---|
| 12 |  | 
|---|
| 13 | GAS is distributed in the hope that it will be useful, | 
|---|
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|---|
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|---|
| 16 | GNU General Public License for more details. | 
|---|
| 17 |  | 
|---|
| 18 | You should have received a copy of the GNU General Public License | 
|---|
| 19 | along with GAS; see the file COPYING.  If not, write to the Free | 
|---|
| 20 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | 
|---|
| 21 | 02111-1307, USA.  */ | 
|---|
| 22 |  | 
|---|
| 23 | #ifndef GAS | 
|---|
| 24 | #define GAS 1 | 
|---|
| 25 | /* I think this stuff is largely out of date.  xoxorich. | 
|---|
| 26 | * | 
|---|
| 27 | * CAPITALISED names are #defined. | 
|---|
| 28 | * "lowercaseH" is #defined if "lowercase.h" has been #include-d. | 
|---|
| 29 | * "lowercaseT" is a typedef of "lowercase" objects. | 
|---|
| 30 | * "lowercaseP" is type "pointer to object of type 'lowercase'". | 
|---|
| 31 | * "lowercaseS" is typedef struct ... lowercaseS. | 
|---|
| 32 | * | 
|---|
| 33 | * #define DEBUG to enable all the "know" assertion tests. | 
|---|
| 34 | * #define SUSPECT when debugging hash code. | 
|---|
| 35 | * #define COMMON as "extern" for all modules except one, where you #define | 
|---|
| 36 | *      COMMON as "". | 
|---|
| 37 | * If TEST is #defined, then we are testing a module: #define COMMON as "". | 
|---|
| 38 | */ | 
|---|
| 39 |  | 
|---|
| 40 | #include "config.h" | 
|---|
| 41 | #include "bin-bugs.h" | 
|---|
| 42 |  | 
|---|
| 43 | /* This is the code recommended in the autoconf documentation, almost | 
|---|
| 44 | verbatim.  If it doesn't work for you, let me know, and notify | 
|---|
| 45 | djm@gnu.ai.mit.edu as well.  */ | 
|---|
| 46 | /* Added void* version for STDC case.  This is to be compatible with | 
|---|
| 47 | the declaration in bison.simple, used for m68k operand parsing. | 
|---|
| 48 | --KR 1995.08.08 */ | 
|---|
| 49 | /* Force void* decl for hpux.  This is what Bison uses.  --KR 1995.08.16 */ | 
|---|
| 50 |  | 
|---|
| 51 | #ifndef __GNUC__ | 
|---|
| 52 | # if HAVE_ALLOCA_H | 
|---|
| 53 | #  include <alloca.h> | 
|---|
| 54 | # else | 
|---|
| 55 | #  ifdef _AIX | 
|---|
| 56 | /* Indented so that pre-ansi C compilers will ignore it, rather than | 
|---|
| 57 | choke on it.  Some versions of AIX require this to be the first | 
|---|
| 58 | thing in the file.  */ | 
|---|
| 59 | #pragma alloca | 
|---|
| 60 | #  else | 
|---|
| 61 | #   ifndef alloca /* predefined by HP cc +Olibcalls */ | 
|---|
| 62 | #    if !defined (__STDC__) && !defined (__hpux) | 
|---|
| 63 | extern char *alloca (); | 
|---|
| 64 | #    else | 
|---|
| 65 | extern void *alloca (); | 
|---|
| 66 | #    endif /* __STDC__, __hpux */ | 
|---|
| 67 | #   endif /* alloca */ | 
|---|
| 68 | #  endif /* _AIX */ | 
|---|
| 69 | # endif /* HAVE_ALLOCA_H */ | 
|---|
| 70 | #endif /* __GNUC__ */ | 
|---|
| 71 |  | 
|---|
| 72 | /* Now, tend to the rest of the configuration.  */ | 
|---|
| 73 |  | 
|---|
| 74 | /* System include files first...  */ | 
|---|
| 75 | #include <stdio.h> | 
|---|
| 76 | #ifdef HAVE_STRING_H | 
|---|
| 77 | #include <string.h> | 
|---|
| 78 | #else | 
|---|
| 79 | #ifdef HAVE_STRINGS_H | 
|---|
| 80 | #include <strings.h> | 
|---|
| 81 | #endif | 
|---|
| 82 | #endif | 
|---|
| 83 | #ifdef HAVE_STDLIB_H | 
|---|
| 84 | #include <stdlib.h> | 
|---|
| 85 | #endif | 
|---|
| 86 | #ifdef HAVE_UNISTD_H | 
|---|
| 87 | #include <unistd.h> | 
|---|
| 88 | #endif | 
|---|
| 89 | #ifdef HAVE_SYS_TYPES_H | 
|---|
| 90 | /* for size_t, pid_t */ | 
|---|
| 91 | #include <sys/types.h> | 
|---|
| 92 | #endif | 
|---|
| 93 |  | 
|---|
| 94 | #include "getopt.h" | 
|---|
| 95 | /* The first getopt value for machine-independent long options. | 
|---|
| 96 | 150 isn't special; it's just an arbitrary non-ASCII char value.  */ | 
|---|
| 97 | #define OPTION_STD_BASE 150 | 
|---|
| 98 | /* The first getopt value for machine-dependent long options. | 
|---|
| 99 | 190 gives the standard options room to grow.  */ | 
|---|
| 100 | #define OPTION_MD_BASE 190 | 
|---|
| 101 |  | 
|---|
| 102 | #ifdef DEBUG | 
|---|
| 103 | #undef NDEBUG | 
|---|
| 104 | #endif | 
|---|
| 105 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) | 
|---|
| 106 | #define __PRETTY_FUNCTION__  ((char*)0) | 
|---|
| 107 | #endif | 
|---|
| 108 | #if 0 | 
|---|
| 109 |  | 
|---|
| 110 | /* Handle lossage with assert.h.  */ | 
|---|
| 111 | #ifndef BROKEN_ASSERT | 
|---|
| 112 | #include <assert.h> | 
|---|
| 113 | #else /* BROKEN_ASSERT */ | 
|---|
| 114 | #ifndef NDEBUG | 
|---|
| 115 | #define assert(p) ((p) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)) | 
|---|
| 116 | #else | 
|---|
| 117 | #define assert(p) ((p), 0) | 
|---|
| 118 | #endif | 
|---|
| 119 | #endif /* BROKEN_ASSERT */ | 
|---|
| 120 |  | 
|---|
| 121 | #else | 
|---|
| 122 |  | 
|---|
| 123 | #define assert(P) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)) | 
|---|
| 124 | #undef abort | 
|---|
| 125 | #define abort()         as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) | 
|---|
| 126 |  | 
|---|
| 127 | #endif | 
|---|
| 128 |  | 
|---|
| 129 | /* Now GNU header files...  */ | 
|---|
| 130 | #include "ansidecl.h" | 
|---|
| 131 | #ifdef BFD_ASSEMBLER | 
|---|
| 132 | #include "bfd.h" | 
|---|
| 133 | #endif | 
|---|
| 134 | #include "libiberty.h" | 
|---|
| 135 |  | 
|---|
| 136 | /* Define the standard progress macros.  */ | 
|---|
| 137 | #include "progress.h" | 
|---|
| 138 |  | 
|---|
| 139 | /* This doesn't get taken care of anywhere.  */ | 
|---|
| 140 | #ifndef __MWERKS__  /* Metrowerks C chokes on the "defined (inline)" */ | 
|---|
| 141 | #if !defined (__GNUC__) && !defined (inline) | 
|---|
| 142 | #define inline | 
|---|
| 143 | #endif | 
|---|
| 144 | #endif /* !__MWERKS__ */ | 
|---|
| 145 |  | 
|---|
| 146 | /* Other stuff from config.h.  */ | 
|---|
| 147 | #ifdef NEED_DECLARATION_STRSTR | 
|---|
| 148 | extern char *strstr (); | 
|---|
| 149 | #endif | 
|---|
| 150 | #ifdef NEED_DECLARATION_MALLOC | 
|---|
| 151 | extern PTR malloc (); | 
|---|
| 152 | extern PTR realloc (); | 
|---|
| 153 | #endif | 
|---|
| 154 | #ifdef NEED_DECLARATION_FREE | 
|---|
| 155 | extern void free (); | 
|---|
| 156 | #endif | 
|---|
| 157 | #ifdef NEED_DECLARATION_ERRNO | 
|---|
| 158 | extern int errno; | 
|---|
| 159 | #endif | 
|---|
| 160 | #ifdef NEED_DECLARATION_ENVIRON | 
|---|
| 161 | extern char **environ; | 
|---|
| 162 | #endif | 
|---|
| 163 |  | 
|---|
| 164 | /* This is needed for VMS.  */ | 
|---|
| 165 | #if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE) | 
|---|
| 166 | #define unlink remove | 
|---|
| 167 | #endif | 
|---|
| 168 |  | 
|---|
| 169 | /* Hack to make "gcc -Wall" not complain about obstack macros.  */ | 
|---|
| 170 | #if !defined (memcpy) && !defined (bcopy) | 
|---|
| 171 | #define bcopy(src,dest,size)    memcpy (dest, src, size) | 
|---|
| 172 | #endif | 
|---|
| 173 |  | 
|---|
| 174 | /* Make Saber happier on obstack.h.  */ | 
|---|
| 175 | #ifdef SABER | 
|---|
| 176 | #undef  __PTR_TO_INT | 
|---|
| 177 | #define __PTR_TO_INT(P) ((int) (P)) | 
|---|
| 178 | #undef  __INT_TO_PTR | 
|---|
| 179 | #define __INT_TO_PTR(P) ((char *) (P)) | 
|---|
| 180 | #endif | 
|---|
| 181 |  | 
|---|
| 182 | #ifndef __LINE__ | 
|---|
| 183 | #define __LINE__ "unknown" | 
|---|
| 184 | #endif /* __LINE__ */ | 
|---|
| 185 |  | 
|---|
| 186 | #ifndef __FILE__ | 
|---|
| 187 | #define __FILE__ "unknown" | 
|---|
| 188 | #endif /* __FILE__ */ | 
|---|
| 189 |  | 
|---|
| 190 | #ifndef FOPEN_WB | 
|---|
| 191 | #if defined GO32 || defined __MINGW32__ | 
|---|
| 192 | #include "fopen-bin.h" | 
|---|
| 193 | #else | 
|---|
| 194 | #include "fopen-same.h" | 
|---|
| 195 | #endif | 
|---|
| 196 | #endif | 
|---|
| 197 |  | 
|---|
| 198 | #ifndef EXIT_SUCCESS | 
|---|
| 199 | #define EXIT_SUCCESS 0 | 
|---|
| 200 | #define EXIT_FAILURE 1 | 
|---|
| 201 | #endif | 
|---|
| 202 |  | 
|---|
| 203 | #ifndef SEEK_SET | 
|---|
| 204 | #define SEEK_SET 0 | 
|---|
| 205 | #endif | 
|---|
| 206 |  | 
|---|
| 207 | #define obstack_chunk_alloc xmalloc | 
|---|
| 208 | #define obstack_chunk_free xfree | 
|---|
| 209 |  | 
|---|
| 210 | #define xfree free | 
|---|
| 211 |  | 
|---|
| 212 | #include "asintl.h" | 
|---|
| 213 |  | 
|---|
| 214 | #define BAD_CASE(val)                                                       \ | 
|---|
| 215 | {                                                                         \ | 
|---|
| 216 | as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"),   \ | 
|---|
| 217 | (long) val, __LINE__, __FILE__);                              \ | 
|---|
| 218 | } | 
|---|
| 219 |  | 
|---|
| 220 |  | 
|---|
| 221 | #include "flonum.h" | 
|---|
| 222 |  | 
|---|
| 223 | /* These are assembler-wide concepts */ | 
|---|
| 224 |  | 
|---|
| 225 | #ifdef BFD_ASSEMBLER | 
|---|
| 226 | extern bfd *stdoutput; | 
|---|
| 227 | typedef bfd_vma addressT; | 
|---|
| 228 | typedef bfd_signed_vma offsetT; | 
|---|
| 229 | #else | 
|---|
| 230 | typedef unsigned long addressT; | 
|---|
| 231 | typedef long offsetT; | 
|---|
| 232 | #endif | 
|---|
| 233 |  | 
|---|
| 234 | /* Type of symbol value, etc.  For use in prototypes.  */ | 
|---|
| 235 | typedef addressT valueT; | 
|---|
| 236 |  | 
|---|
| 237 | #ifndef COMMON | 
|---|
| 238 | #ifdef TEST | 
|---|
| 239 | #define COMMON                  /* declare our COMMONs storage here.  */ | 
|---|
| 240 | #else | 
|---|
| 241 | #define COMMON extern           /* our commons live elswhere */ | 
|---|
| 242 | #endif | 
|---|
| 243 | #endif | 
|---|
| 244 | /* COMMON now defined */ | 
|---|
| 245 |  | 
|---|
| 246 | #ifdef DEBUG | 
|---|
| 247 | #ifndef know | 
|---|
| 248 | #define know(p) assert(p)       /* Verify our assumptions! */ | 
|---|
| 249 | #endif /* not yet defined */ | 
|---|
| 250 | #else | 
|---|
| 251 | #define know(p)                 /* know() checks are no-op.ed */ | 
|---|
| 252 | #endif | 
|---|
| 253 |  | 
|---|
| 254 |  | 
|---|
| 255 | /* input_scrub.c */ | 
|---|
| 256 |  | 
|---|
| 257 | /* Supplies sanitised buffers to read.c. | 
|---|
| 258 | Also understands printing line-number part of error messages.  */ | 
|---|
| 259 |  | 
|---|
| 260 |  | 
|---|
| 261 | /* subsegs.c     Sub-segments. Also, segment(=expression type)s.*/ | 
|---|
| 262 |  | 
|---|
| 263 | #ifndef BFD_ASSEMBLER | 
|---|
| 264 |  | 
|---|
| 265 | #ifdef MANY_SEGMENTS | 
|---|
| 266 | #include "bfd.h" | 
|---|
| 267 | #define N_SEGMENTS 40 | 
|---|
| 268 | #define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E39) | 
|---|
| 269 | #define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9,\ | 
|---|
| 270 | SEG_E10,SEG_E11,SEG_E12,SEG_E13,SEG_E14,SEG_E15,SEG_E16,SEG_E17,SEG_E18,SEG_E19,\ | 
|---|
| 271 | SEG_E20,SEG_E21,SEG_E22,SEG_E23,SEG_E24,SEG_E25,SEG_E26,SEG_E27,SEG_E28,SEG_E29,\ | 
|---|
| 272 | SEG_E30,SEG_E31,SEG_E32,SEG_E33,SEG_E34,SEG_E35,SEG_E36,SEG_E37,SEG_E38,SEG_E39 | 
|---|
| 273 | #define SEG_TEXT SEG_E0 | 
|---|
| 274 | #define SEG_DATA SEG_E1 | 
|---|
| 275 | #define SEG_BSS SEG_E2 | 
|---|
| 276 | #define SEG_LAST SEG_E39 | 
|---|
| 277 | #else | 
|---|
| 278 | #define N_SEGMENTS 3 | 
|---|
| 279 | #define SEG_NORMAL(x) ((x) == SEG_TEXT || (x) == SEG_DATA || (x) == SEG_BSS) | 
|---|
| 280 | #define SEG_LIST SEG_TEXT,SEG_DATA,SEG_BSS | 
|---|
| 281 | #endif | 
|---|
| 282 |  | 
|---|
| 283 | typedef enum _segT { | 
|---|
| 284 | SEG_ABSOLUTE = 0, | 
|---|
| 285 | SEG_LIST, | 
|---|
| 286 | SEG_UNKNOWN, | 
|---|
| 287 | SEG_GOOF,                     /* Only happens if AS has a logic error.  */ | 
|---|
| 288 | /* Invented so we don't crash printing */ | 
|---|
| 289 | /* error message involving weird segment.  */ | 
|---|
| 290 | SEG_EXPR,                     /* Intermediate expression values.  */ | 
|---|
| 291 | SEG_DEBUG,                    /* Debug segment */ | 
|---|
| 292 | SEG_NTV,                      /* Transfert vector preload segment */ | 
|---|
| 293 | SEG_PTV,                      /* Transfert vector postload segment */ | 
|---|
| 294 | SEG_REGISTER                  /* Mythical: a register-valued expression */ | 
|---|
| 295 | } segT; | 
|---|
| 296 |  | 
|---|
| 297 | #define SEG_MAXIMUM_ORDINAL (SEG_REGISTER) | 
|---|
| 298 | #else | 
|---|
| 299 | typedef asection *segT; | 
|---|
| 300 | #define SEG_NORMAL(SEG)         ((SEG) != absolute_section      \ | 
|---|
| 301 | && (SEG) != undefined_section  \ | 
|---|
| 302 | && (SEG) != reg_section        \ | 
|---|
| 303 | && (SEG) != expr_section) | 
|---|
| 304 | #endif | 
|---|
| 305 | typedef int subsegT; | 
|---|
| 306 |  | 
|---|
| 307 | /* What subseg we are accreting now? */ | 
|---|
| 308 | COMMON subsegT now_subseg; | 
|---|
| 309 |  | 
|---|
| 310 | /* Segment our instructions emit to.  */ | 
|---|
| 311 | COMMON segT now_seg; | 
|---|
| 312 |  | 
|---|
| 313 | #ifdef BFD_ASSEMBLER | 
|---|
| 314 | #define segment_name(SEG)       bfd_get_section_name (stdoutput, SEG) | 
|---|
| 315 | #else | 
|---|
| 316 | extern char const *const seg_name[]; | 
|---|
| 317 | #define segment_name(SEG)       seg_name[(int) (SEG)] | 
|---|
| 318 | #endif | 
|---|
| 319 |  | 
|---|
| 320 | #ifndef BFD_ASSEMBLER | 
|---|
| 321 | extern int section_alignment[]; | 
|---|
| 322 | #endif | 
|---|
| 323 |  | 
|---|
| 324 | #ifdef BFD_ASSEMBLER | 
|---|
| 325 | extern segT reg_section, expr_section; | 
|---|
| 326 | /* Shouldn't these be eliminated someday?  */ | 
|---|
| 327 | extern segT text_section, data_section, bss_section; | 
|---|
| 328 | #define absolute_section        bfd_abs_section_ptr | 
|---|
| 329 | #define undefined_section       bfd_und_section_ptr | 
|---|
| 330 | #else | 
|---|
| 331 | #define reg_section             SEG_REGISTER | 
|---|
| 332 | #define expr_section            SEG_EXPR | 
|---|
| 333 | #define text_section            SEG_TEXT | 
|---|
| 334 | #define data_section            SEG_DATA | 
|---|
| 335 | #define bss_section             SEG_BSS | 
|---|
| 336 | #define absolute_section        SEG_ABSOLUTE | 
|---|
| 337 | #define undefined_section       SEG_UNKNOWN | 
|---|
| 338 | #endif | 
|---|
| 339 |  | 
|---|
| 340 | /* relax() */ | 
|---|
| 341 |  | 
|---|
| 342 | enum _relax_state { | 
|---|
| 343 | /* Variable chars to be repeated fr_offset times. | 
|---|
| 344 | Fr_symbol unused. Used with fr_offset == 0 for a | 
|---|
| 345 | constant length frag.  */ | 
|---|
| 346 | rs_fill = 1, | 
|---|
| 347 |  | 
|---|
| 348 | /* Align.  The fr_offset field holds the power of 2 to which to | 
|---|
| 349 | align.  The fr_var field holds the number of characters in the | 
|---|
| 350 | fill pattern.  The fr_subtype field holds the maximum number of | 
|---|
| 351 | bytes to skip when aligning, or 0 if there is no maximum.  */ | 
|---|
| 352 | rs_align, | 
|---|
| 353 |  | 
|---|
| 354 | /* Align code.  The fr_offset field holds the power of 2 to which | 
|---|
| 355 | to align.  This type is only generated by machine specific | 
|---|
| 356 | code, which is normally responsible for handling the fill | 
|---|
| 357 | pattern.  The fr_subtype field holds the maximum number of | 
|---|
| 358 | bytes to skip when aligning, or 0 if there is no maximum.  */ | 
|---|
| 359 | rs_align_code, | 
|---|
| 360 |  | 
|---|
| 361 | /* Test for alignment.  Like rs_align, but used by several targets | 
|---|
| 362 | to warn if data is not properly aligned.  */ | 
|---|
| 363 | rs_align_test, | 
|---|
| 364 |  | 
|---|
| 365 | /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill | 
|---|
| 366 | character.  */ | 
|---|
| 367 | rs_org, | 
|---|
| 368 |  | 
|---|
| 369 | #ifndef WORKING_DOT_WORD | 
|---|
| 370 | /* JF: gunpoint */ | 
|---|
| 371 | rs_broken_word, | 
|---|
| 372 | #endif | 
|---|
| 373 |  | 
|---|
| 374 | /* machine-specific relaxable (or similarly alterable) instruction */ | 
|---|
| 375 | rs_machine_dependent, | 
|---|
| 376 |  | 
|---|
| 377 | /* .space directive with expression operand that needs to be computed | 
|---|
| 378 | later.  Similar to rs_org, but different. | 
|---|
| 379 | fr_symbol: operand | 
|---|
| 380 | 1 variable char: fill character  */ | 
|---|
| 381 | rs_space, | 
|---|
| 382 |  | 
|---|
| 383 | /* A DWARF leb128 value; only ELF uses this.  The subtype is 0 for | 
|---|
| 384 | unsigned, 1 for signed.  */ | 
|---|
| 385 | rs_leb128, | 
|---|
| 386 |  | 
|---|
| 387 | /* Exception frame information which we may be able to optimize.  */ | 
|---|
| 388 | rs_cfa, | 
|---|
| 389 |  | 
|---|
| 390 | /* Cross-fragment dwarf2 line number optimization.  */ | 
|---|
| 391 | rs_dwarf2dbg | 
|---|
| 392 | }; | 
|---|
| 393 |  | 
|---|
| 394 | typedef enum _relax_state relax_stateT; | 
|---|
| 395 |  | 
|---|
| 396 | /* This type is used in prototypes, so it can't be a type that will be | 
|---|
| 397 | widened for argument passing.  */ | 
|---|
| 398 | typedef unsigned int relax_substateT; | 
|---|
| 399 |  | 
|---|
| 400 | /* Enough bits for address, but still an integer type. | 
|---|
| 401 | Could be a problem, cross-assembling for 64-bit machines.  */ | 
|---|
| 402 | typedef addressT relax_addressT; | 
|---|
| 403 |  | 
|---|
| 404 |  | 
|---|
| 405 | /* main program "as.c" (command arguments etc) */ | 
|---|
| 406 |  | 
|---|
| 407 | COMMON unsigned char flag_no_comments; /* -f */ | 
|---|
| 408 | COMMON unsigned char flag_debug; /* -D */ | 
|---|
| 409 | COMMON unsigned char flag_signed_overflow_ok; /* -J */ | 
|---|
| 410 | #ifndef WORKING_DOT_WORD | 
|---|
| 411 | COMMON unsigned char flag_warn_displacement; /* -K */ | 
|---|
| 412 | #endif | 
|---|
| 413 |  | 
|---|
| 414 | /* True if local symbols should be retained.  */ | 
|---|
| 415 | COMMON int flag_keep_locals; /* -L */ | 
|---|
| 416 |  | 
|---|
| 417 | /* True if we are assembling in MRI mode.  */ | 
|---|
| 418 | COMMON int flag_mri; | 
|---|
| 419 |  | 
|---|
| 420 | /* Should the data section be made read-only and appended to the text | 
|---|
| 421 | section?  */ | 
|---|
| 422 | COMMON unsigned char flag_readonly_data_in_text; /* -R */ | 
|---|
| 423 |  | 
|---|
| 424 | /* True if warnings should be inhibited.  */ | 
|---|
| 425 | COMMON int flag_no_warnings; /* -W */ | 
|---|
| 426 |  | 
|---|
| 427 | /* True if warnings count as errors.  */ | 
|---|
| 428 | COMMON int flag_fatal_warnings; /* --fatal-warnings */ | 
|---|
| 429 |  | 
|---|
| 430 | /* True if we should attempt to generate output even if non-fatal errors | 
|---|
| 431 | are detected.  */ | 
|---|
| 432 | COMMON unsigned char flag_always_generate_output; /* -Z */ | 
|---|
| 433 |  | 
|---|
| 434 | /* This is true if the assembler should output time and space usage.  */ | 
|---|
| 435 | COMMON unsigned char flag_print_statistics; | 
|---|
| 436 |  | 
|---|
| 437 | /* True if local absolute symbols are to be stripped.  */ | 
|---|
| 438 | COMMON int flag_strip_local_absolute; | 
|---|
| 439 |  | 
|---|
| 440 | /* True if we should generate a traditional format object file.  */ | 
|---|
| 441 | COMMON int flag_traditional_format; | 
|---|
| 442 |  | 
|---|
| 443 | /* name of emitted object file */ | 
|---|
| 444 | COMMON char *out_file_name; | 
|---|
| 445 |  | 
|---|
| 446 | /* name of file defining extensions to the basic instruction set */ | 
|---|
| 447 | COMMON char *insttbl_file_name; | 
|---|
| 448 |  | 
|---|
| 449 | /* TRUE if we need a second pass.  */ | 
|---|
| 450 | COMMON int need_pass_2; | 
|---|
| 451 |  | 
|---|
| 452 | /* TRUE if we should do no relaxing, and | 
|---|
| 453 | leave lots of padding.  */ | 
|---|
| 454 | COMMON int linkrelax; | 
|---|
| 455 |  | 
|---|
| 456 | /* TRUE if we should produce a listing.  */ | 
|---|
| 457 | extern int listing; | 
|---|
| 458 |  | 
|---|
| 459 | /* Type of debugging information we should generate.  We currently support | 
|---|
| 460 | stabs, ECOFF, and DWARF2. | 
|---|
| 461 |  | 
|---|
| 462 | NOTE!  This means debug information about the assembly source code itself | 
|---|
| 463 | and _not_ about possible debug information from a high-level language. | 
|---|
| 464 | This is especially relevant to DWARF2, since the compiler may emit line | 
|---|
| 465 | number directives that the assembler resolves.  */ | 
|---|
| 466 |  | 
|---|
| 467 | enum debug_info_type { | 
|---|
| 468 | DEBUG_UNSPECIFIED, | 
|---|
| 469 | DEBUG_NONE, | 
|---|
| 470 | DEBUG_STABS, | 
|---|
| 471 | DEBUG_ECOFF, | 
|---|
| 472 | DEBUG_DWARF, | 
|---|
| 473 | DEBUG_DWARF2 | 
|---|
| 474 | }; | 
|---|
| 475 |  | 
|---|
| 476 | extern enum debug_info_type debug_type; | 
|---|
| 477 |  | 
|---|
| 478 |  | 
|---|
| 479 | /* Maximum level of macro nesting.  */ | 
|---|
| 480 | extern int max_macro_nest; | 
|---|
| 481 |  | 
|---|
| 482 | /* Obstack chunk size.  Keep large for efficient space use, make small to | 
|---|
| 483 | increase malloc calls for monitoring memory allocation.  */ | 
|---|
| 484 | extern int chunksize; | 
|---|
| 485 |  | 
|---|
| 486 | struct _pseudo_type { | 
|---|
| 487 | /* assembler mnemonic, lower case, no '.' */ | 
|---|
| 488 | const char *poc_name; | 
|---|
| 489 | /* Do the work */ | 
|---|
| 490 | void (*poc_handler) PARAMS ((int)); | 
|---|
| 491 | /* Value to pass to handler */ | 
|---|
| 492 | int poc_val; | 
|---|
| 493 | }; | 
|---|
| 494 |  | 
|---|
| 495 | typedef struct _pseudo_type pseudo_typeS; | 
|---|
| 496 |  | 
|---|
| 497 | /* Prefer varargs for non-ANSI compiler, since some will barf if the | 
|---|
| 498 | ellipsis definition is used with a no-arguments declaration.  */ | 
|---|
| 499 | #if defined (HAVE_VARARGS_H) && !defined (__STDC__) | 
|---|
| 500 | #undef HAVE_STDARG_H | 
|---|
| 501 | #endif | 
|---|
| 502 |  | 
|---|
| 503 | #if defined (HAVE_STDARG_H) | 
|---|
| 504 | #define USE_STDARG | 
|---|
| 505 | #endif | 
|---|
| 506 | #if !defined (USE_STDARG) && defined (HAVE_VARARGS_H) | 
|---|
| 507 | #define USE_VARARGS | 
|---|
| 508 | #endif | 
|---|
| 509 |  | 
|---|
| 510 | #ifdef USE_STDARG | 
|---|
| 511 | #if (__GNUC__ >= 2) && !defined(VMS) | 
|---|
| 512 | /* for use with -Wformat */ | 
|---|
| 513 |  | 
|---|
| 514 | #if __GNUC__ == 2 && __GNUC_MINOR__ < 6 | 
|---|
| 515 | /* Support for double underscores in attribute names was added in gcc | 
|---|
| 516 | 2.6, so avoid them if we are using an earlier version.  */ | 
|---|
| 517 | #define __printf__ printf | 
|---|
| 518 | #define __format__ format | 
|---|
| 519 | #endif | 
|---|
| 520 |  | 
|---|
| 521 | #define PRINTF_LIKE(FCN) \ | 
|---|
| 522 | void FCN (const char *format, ...) \ | 
|---|
| 523 | __attribute__ ((__format__ (__printf__, 1, 2))) | 
|---|
| 524 | #define PRINTF_WHERE_LIKE(FCN) \ | 
|---|
| 525 | void FCN (char *file, unsigned int line, const char *format, ...) \ | 
|---|
| 526 | __attribute__ ((__format__ (__printf__, 3, 4))) | 
|---|
| 527 |  | 
|---|
| 528 | #else /* __GNUC__ < 2 || defined(VMS) */ | 
|---|
| 529 |  | 
|---|
| 530 | #define PRINTF_LIKE(FCN)        void FCN PARAMS ((const char *format, ...)) | 
|---|
| 531 | #define PRINTF_WHERE_LIKE(FCN)  void FCN PARAMS ((char *file, \ | 
|---|
| 532 | unsigned int line, \ | 
|---|
| 533 | const char *format, ...)) | 
|---|
| 534 |  | 
|---|
| 535 | #endif /* __GNUC__ < 2 || defined(VMS) */ | 
|---|
| 536 |  | 
|---|
| 537 | #else /* ! USE_STDARG */ | 
|---|
| 538 |  | 
|---|
| 539 | #define PRINTF_LIKE(FCN)        void FCN () | 
|---|
| 540 | #define PRINTF_WHERE_LIKE(FCN)  void FCN () | 
|---|
| 541 |  | 
|---|
| 542 | #endif /* ! USE_STDARG */ | 
|---|
| 543 |  | 
|---|
| 544 | PRINTF_LIKE (as_bad); | 
|---|
| 545 | PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN; | 
|---|
| 546 | PRINTF_LIKE (as_tsktsk); | 
|---|
| 547 | PRINTF_LIKE (as_warn); | 
|---|
| 548 | PRINTF_WHERE_LIKE (as_bad_where); | 
|---|
| 549 | PRINTF_WHERE_LIKE (as_warn_where); | 
|---|
| 550 |  | 
|---|
| 551 | void as_assert PARAMS ((const char *, int, const char *)); | 
|---|
| 552 | void as_abort PARAMS ((const char *, int, const char *)) ATTRIBUTE_NORETURN; | 
|---|
| 553 |  | 
|---|
| 554 | void fprint_value PARAMS ((FILE *file, addressT value)); | 
|---|
| 555 | void sprint_value PARAMS ((char *buf, addressT value)); | 
|---|
| 556 |  | 
|---|
| 557 | int had_errors PARAMS ((void)); | 
|---|
| 558 | int had_warnings PARAMS ((void)); | 
|---|
| 559 |  | 
|---|
| 560 | void print_version_id PARAMS ((void)); | 
|---|
| 561 | char *app_push PARAMS ((void)); | 
|---|
| 562 | char *atof_ieee PARAMS ((char *str, int what_kind, LITTLENUM_TYPE * words)); | 
|---|
| 563 | char *input_scrub_include_file PARAMS ((char *filename, char *position)); | 
|---|
| 564 | extern void input_scrub_insert_line PARAMS((const char *line)); | 
|---|
| 565 | extern void input_scrub_insert_file PARAMS((char *path)); | 
|---|
| 566 | char *input_scrub_new_file PARAMS ((char *filename)); | 
|---|
| 567 | char *input_scrub_next_buffer PARAMS ((char **bufp)); | 
|---|
| 568 | int do_scrub_chars PARAMS ((int (*get) (char *, int), char *to, int tolen)); | 
|---|
| 569 | int gen_to_words PARAMS ((LITTLENUM_TYPE * words, int precision, | 
|---|
| 570 | long exponent_bits)); | 
|---|
| 571 | int had_err PARAMS ((void)); | 
|---|
| 572 | int ignore_input PARAMS ((void)); | 
|---|
| 573 | void cond_finish_check PARAMS ((int)); | 
|---|
| 574 | void cond_exit_macro PARAMS ((int)); | 
|---|
| 575 | int seen_at_least_1_file PARAMS ((void)); | 
|---|
| 576 | void app_pop PARAMS ((char *arg)); | 
|---|
| 577 | void as_howmuch PARAMS ((FILE * stream)); | 
|---|
| 578 | void as_perror PARAMS ((const char *gripe, const char *filename)); | 
|---|
| 579 | void as_where PARAMS ((char **namep, unsigned int *linep)); | 
|---|
| 580 | void bump_line_counters PARAMS ((void)); | 
|---|
| 581 | void do_scrub_begin PARAMS ((int)); | 
|---|
| 582 | void input_scrub_begin PARAMS ((void)); | 
|---|
| 583 | void input_scrub_close PARAMS ((void)); | 
|---|
| 584 | void input_scrub_end PARAMS ((void)); | 
|---|
| 585 | int new_logical_line PARAMS ((char *fname, int line_number)); | 
|---|
| 586 | void subsegs_begin PARAMS ((void)); | 
|---|
| 587 | void subseg_change PARAMS ((segT seg, int subseg)); | 
|---|
| 588 | segT subseg_new PARAMS ((const char *name, subsegT subseg)); | 
|---|
| 589 | segT subseg_force_new PARAMS ((const char *name, subsegT subseg)); | 
|---|
| 590 | void subseg_set PARAMS ((segT seg, subsegT subseg)); | 
|---|
| 591 | #ifdef BFD_ASSEMBLER | 
|---|
| 592 | segT subseg_get PARAMS ((const char *, int)); | 
|---|
| 593 | #endif | 
|---|
| 594 | int subseg_text_p PARAMS ((segT)); | 
|---|
| 595 |  | 
|---|
| 596 | void start_dependencies PARAMS ((char *)); | 
|---|
| 597 | void register_dependency PARAMS ((char *)); | 
|---|
| 598 | void print_dependencies PARAMS ((void)); | 
|---|
| 599 |  | 
|---|
| 600 | struct expressionS; | 
|---|
| 601 | struct fix; | 
|---|
| 602 | typedef struct symbol symbolS; | 
|---|
| 603 | struct relax_type; | 
|---|
| 604 | typedef struct frag fragS; | 
|---|
| 605 |  | 
|---|
| 606 | #ifdef BFD_ASSEMBLER | 
|---|
| 607 | /* literal.c */ | 
|---|
| 608 | valueT add_to_literal_pool PARAMS ((symbolS *, valueT, segT, int)); | 
|---|
| 609 | #endif | 
|---|
| 610 |  | 
|---|
| 611 | int check_eh_frame PARAMS ((struct expressionS *, unsigned int *)); | 
|---|
| 612 | int eh_frame_estimate_size_before_relax PARAMS ((fragS *)); | 
|---|
| 613 | int eh_frame_relax_frag PARAMS ((fragS *)); | 
|---|
| 614 | void eh_frame_convert_frag PARAMS ((fragS *)); | 
|---|
| 615 |  | 
|---|
| 616 | int generic_force_reloc PARAMS ((struct fix *)); | 
|---|
| 617 |  | 
|---|
| 618 | #include "expr.h"               /* Before targ-*.h */ | 
|---|
| 619 |  | 
|---|
| 620 | /* this one starts the chain of target dependant headers */ | 
|---|
| 621 | #include "targ-env.h" | 
|---|
| 622 |  | 
|---|
| 623 | #ifdef OBJ_MAYBE_ELF | 
|---|
| 624 | #define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour) | 
|---|
| 625 | #else | 
|---|
| 626 | #ifdef OBJ_ELF | 
|---|
| 627 | #define IS_ELF 1 | 
|---|
| 628 | #else | 
|---|
| 629 | #define IS_ELF 0 | 
|---|
| 630 | #endif | 
|---|
| 631 | #endif | 
|---|
| 632 |  | 
|---|
| 633 | #include "write.h" | 
|---|
| 634 | #include "frags.h" | 
|---|
| 635 | #include "hash.h" | 
|---|
| 636 | #include "read.h" | 
|---|
| 637 | #include "symbols.h" | 
|---|
| 638 |  | 
|---|
| 639 | #include "tc.h" | 
|---|
| 640 | #include "obj.h" | 
|---|
| 641 |  | 
|---|
| 642 | #ifdef USE_EMULATIONS | 
|---|
| 643 | #include "emul.h" | 
|---|
| 644 | #endif | 
|---|
| 645 | #include "listing.h" | 
|---|
| 646 |  | 
|---|
| 647 | #ifdef TC_M68K | 
|---|
| 648 | /* True if we are assembling in m68k MRI mode.  */ | 
|---|
| 649 | COMMON int flag_m68k_mri; | 
|---|
| 650 | #else | 
|---|
| 651 | #define flag_m68k_mri 0 | 
|---|
| 652 | #endif | 
|---|
| 653 |  | 
|---|
| 654 | #ifdef WARN_COMMENTS | 
|---|
| 655 | COMMON int warn_comment; | 
|---|
| 656 | COMMON unsigned int found_comment; | 
|---|
| 657 | COMMON char *found_comment_file; | 
|---|
| 658 | #endif | 
|---|
| 659 |  | 
|---|
| 660 | #ifndef NUMBERS_WITH_SUFFIX | 
|---|
| 661 | #define NUMBERS_WITH_SUFFIX 0 | 
|---|
| 662 | #endif | 
|---|
| 663 |  | 
|---|
| 664 | #ifndef LOCAL_LABELS_DOLLAR | 
|---|
| 665 | #define LOCAL_LABELS_DOLLAR 0 | 
|---|
| 666 | #endif | 
|---|
| 667 |  | 
|---|
| 668 | #ifndef LOCAL_LABELS_FB | 
|---|
| 669 | #define LOCAL_LABELS_FB 0 | 
|---|
| 670 | #endif | 
|---|
| 671 |  | 
|---|
| 672 | #ifndef LABELS_WITHOUT_COLONS | 
|---|
| 673 | #define LABELS_WITHOUT_COLONS 0 | 
|---|
| 674 | #endif | 
|---|
| 675 |  | 
|---|
| 676 | #ifndef NO_PSEUDO_DOT | 
|---|
| 677 | #define NO_PSEUDO_DOT 0 | 
|---|
| 678 | #endif | 
|---|
| 679 |  | 
|---|
| 680 | #ifndef TEXT_SECTION_NAME | 
|---|
| 681 | #define TEXT_SECTION_NAME       ".text" | 
|---|
| 682 | #define DATA_SECTION_NAME       ".data" | 
|---|
| 683 | #define BSS_SECTION_NAME        ".bss" | 
|---|
| 684 | #endif | 
|---|
| 685 |  | 
|---|
| 686 | #ifndef OCTETS_PER_BYTE_POWER | 
|---|
| 687 | #define OCTETS_PER_BYTE_POWER 0 | 
|---|
| 688 | #endif | 
|---|
| 689 | #ifndef OCTETS_PER_BYTE | 
|---|
| 690 | #define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER) | 
|---|
| 691 | #endif | 
|---|
| 692 | #if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER) | 
|---|
| 693 | #error "Octets per byte conflicts with its power-of-two definition!" | 
|---|
| 694 | #endif | 
|---|
| 695 |  | 
|---|
| 696 | #endif /* GAS */ | 
|---|