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 */ 22 23#ifndef GAS 24#define GAS 1 25/* I think this stuff is largely out of date.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) 63extern char *alloca (); 64# else 65extern 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 148extern char *strstr (); 149#endif 150#ifdef NEED_DECLARATION_MALLOC 151extern PTR malloc (); 152extern PTR realloc (); 153#endif 154#ifdef NEED_DECLARATION_FREE 155extern void free (); 156#endif 157#ifdef NEED_DECLARATION_ERRNO 158extern int errno; 159#endif 160#ifdef NEED_DECLARATION_ENVIRON 161extern 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#include "flonum.h" 221 222/* These are assembler-wide concepts */ 223 224#ifdef BFD_ASSEMBLER 225extern bfd *stdoutput; 226typedef bfd_vma addressT; 227typedef bfd_signed_vma offsetT; 228#else 229typedef unsigned long addressT; 230typedef long offsetT; 231#endif 232 233/* Type of symbol value, etc. For use in prototypes. */ 234typedef addressT valueT; 235 236#ifndef COMMON 237#ifdef TEST 238#define COMMON /* declare our COMMONs storage here. */ 239#else 240#define COMMON extern /* our commons live elsewhere */ 241#endif 242#endif 243/* COMMON now defined */ 244 245#ifdef DEBUG 246#ifndef know 247#define know(p) assert(p) /* Verify our assumptions! */ 248#endif /* not yet defined */ 249#else 250#define know(p) /* know() checks are no-op.ed */ 251#endif 252 253/* input_scrub.c */ 254 255/* Supplies sanitised buffers to read.c. 256 Also understands printing line-number part of error messages. */ 257 258/* subsegs.c Sub-segments. Also, segment(=expression type)s.*/ 259 260#ifndef BFD_ASSEMBLER 261 262#ifdef MANY_SEGMENTS 263#include "bfd.h" 264#define N_SEGMENTS 40 265#define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E39) 266#define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9,\ 267 SEG_E10,SEG_E11,SEG_E12,SEG_E13,SEG_E14,SEG_E15,SEG_E16,SEG_E17,SEG_E18,SEG_E19,\ 268 SEG_E20,SEG_E21,SEG_E22,SEG_E23,SEG_E24,SEG_E25,SEG_E26,SEG_E27,SEG_E28,SEG_E29,\ 269 SEG_E30,SEG_E31,SEG_E32,SEG_E33,SEG_E34,SEG_E35,SEG_E36,SEG_E37,SEG_E38,SEG_E39 270#define SEG_TEXT SEG_E0 271#define SEG_DATA SEG_E1 272#define SEG_BSS SEG_E2 273#define SEG_LAST SEG_E39 274#else 275#define N_SEGMENTS 3 276#define SEG_NORMAL(x) ((x) == SEG_TEXT || (x) == SEG_DATA || (x) == SEG_BSS) 277#define SEG_LIST SEG_TEXT,SEG_DATA,SEG_BSS 278#endif 279 280typedef enum _segT { 281 SEG_ABSOLUTE = 0, 282 SEG_LIST, 283 SEG_UNKNOWN, 284 SEG_GOOF, /* Only happens if AS has a logic error. */ 285 /* Invented so we don't crash printing */ 286 /* error message involving weird segment. */ 287 SEG_EXPR, /* Intermediate expression values. */ 288 SEG_DEBUG, /* Debug segment */ 289 SEG_NTV, /* Transfert vector preload segment */ 290 SEG_PTV, /* Transfert vector postload segment */ 291 SEG_REGISTER /* Mythical: a register-valued expression */ 292} segT; 293 294#define SEG_MAXIMUM_ORDINAL (SEG_REGISTER) 295#else 296typedef asection *segT; 297#define SEG_NORMAL(SEG) ((SEG) != absolute_section \ 298 && (SEG) != undefined_section \ 299 && (SEG) != reg_section \ 300 && (SEG) != expr_section) 301#endif 302typedef int subsegT; 303 304/* What subseg we are accessing now? */ 305COMMON subsegT now_subseg; 306 307/* Segment our instructions emit to. */ 308COMMON segT now_seg; 309 310#ifdef BFD_ASSEMBLER 311#define segment_name(SEG) bfd_get_section_name (stdoutput, SEG) 312#else 313extern char const *const seg_name[]; 314#define segment_name(SEG) seg_name[(int) (SEG)] 315#endif 316 317#ifndef BFD_ASSEMBLER 318extern int section_alignment[]; 319#endif 320 321#ifdef BFD_ASSEMBLER 322extern segT reg_section, expr_section; 323/* Shouldn't these be eliminated someday? */ 324extern segT text_section, data_section, bss_section; 325#define absolute_section bfd_abs_section_ptr 326#define undefined_section bfd_und_section_ptr 327#else 328#define reg_section SEG_REGISTER 329#define expr_section SEG_EXPR 330#define text_section SEG_TEXT 331#define data_section SEG_DATA 332#define bss_section SEG_BSS 333#define absolute_section SEG_ABSOLUTE 334#define undefined_section SEG_UNKNOWN 335#endif 336 337/* relax() */ 338 339enum _relax_state { 340 /* Variable chars to be repeated fr_offset times. 341 Fr_symbol unused. Used with fr_offset == 0 for a 342 constant length frag. */ 343 rs_fill = 1, 344 345 /* Align. The fr_offset field holds the power of 2 to which to 346 align. The fr_var field holds the number of characters in the 347 fill pattern. The fr_subtype field holds the maximum number of 348 bytes to skip when aligning, or 0 if there is no maximum. */ 349 rs_align, 350 351 /* Align code. The fr_offset field holds the power of 2 to which 352 to align. This type is only generated by machine specific 353 code, which is normally responsible for handling the fill 354 pattern. The fr_subtype field holds the maximum number of 355 bytes to skip when aligning, or 0 if there is no maximum. */ 356 rs_align_code, 357 358 /* Test for alignment. Like rs_align, but used by several targets 359 to warn if data is not properly aligned. */ 360 rs_align_test, 361 362 /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill 363 character. */ 364 rs_org, 365 366#ifndef WORKING_DOT_WORD 367 /* JF: gunpoint */ 368 rs_broken_word, 369#endif 370 371 /* machine-specific relaxable (or similarly alterable) instruction */ 372 rs_machine_dependent, 373 374 /* .space directive with expression operand that needs to be computed 375 later. Similar to rs_org, but different. 376 fr_symbol: operand 377 1 variable char: fill character */ 378 rs_space, 379 380 /* A DWARF leb128 value; only ELF uses this. The subtype is 0 for 381 unsigned, 1 for signed. */ 382 rs_leb128, 383 384 /* Exception frame information which we may be able to optimize. */ 385 rs_cfa, 386 387 /* Cross-fragment dwarf2 line number optimization. */ 388 rs_dwarf2dbg 389}; 390 391typedef enum _relax_state relax_stateT; 392 393/* This type is used in prototypes, so it can't be a type that will be 394 widened for argument passing. */ 395typedef unsigned int relax_substateT; 396 397/* Enough bits for address, but still an integer type. 398 Could be a problem, cross-assembling for 64-bit machines. */ 399typedef addressT relax_addressT; 400 401struct relax_type 402{ 403 /* Forward reach. Signed number. > 0. */ 404 long rlx_forward; 405 /* Backward reach. Signed number. < 0. */ 406 long rlx_backward; 407 408 /* Bytes length of this address. */ 409 unsigned char rlx_length; 410 411 /* Next longer relax-state. 0 means there is no 'next' relax-state. */ 412 relax_substateT rlx_more; 413}; 414 415typedef struct relax_type relax_typeS; 416 417/* main program "as.c" (command arguments etc) */ 418 419COMMON unsigned char flag_no_comments; /* -f */ 420COMMON unsigned char flag_debug; /* -D */ 421COMMON unsigned char flag_signed_overflow_ok; /* -J */ 422#ifndef WORKING_DOT_WORD 423COMMON unsigned char flag_warn_displacement; /* -K */ 424#endif 425 426/* True if local symbols should be retained. */ 427COMMON int flag_keep_locals; /* -L */ 428 429/* True if we are assembling in MRI mode. */ 430COMMON int flag_mri; 431 432/* Should the data section be made read-only and appended to the text 433 section? */ 434COMMON unsigned char flag_readonly_data_in_text; /* -R */ 435 436/* True if warnings should be inhibited. */ 437COMMON int flag_no_warnings; /* -W */ 438 439/* True if warnings count as errors. */ 440COMMON int flag_fatal_warnings; /* --fatal-warnings */ 441 442/* True if we should attempt to generate output even if non-fatal errors 443 are detected. */ 444COMMON unsigned char flag_always_generate_output; /* -Z */ 445 446/* This is true if the assembler should output time and space usage. */ 447COMMON unsigned char flag_print_statistics; 448 449/* True if local absolute symbols are to be stripped. */ 450COMMON int flag_strip_local_absolute; 451 452/* True if we should generate a traditional format object file. */ 453COMMON int flag_traditional_format; 454 455/* TRUE if .note.GNU-stack section with SEC_CODE should be created */ 456COMMON int flag_execstack; 457 458/* TRUE if .note.GNU-stack section with SEC_CODE should be created */ 459COMMON int flag_noexecstack; 460 461/* name of emitted object file */ 462COMMON char *out_file_name; 463 464/* name of file defining extensions to the basic instruction set */ 465COMMON char *insttbl_file_name; 466 467/* TRUE if we need a second pass. */ 468COMMON int need_pass_2; 469 470/* TRUE if we should do no relaxing, and 471 leave lots of padding. */ 472COMMON int linkrelax; 473 474/* TRUE if we should produce a listing. */ 475extern int listing; 476 477/* Type of debugging information we should generate. We currently support 478 stabs, ECOFF, and DWARF2. 479 480 NOTE! This means debug information about the assembly source code itself 481 and _not_ about possible debug information from a high-level language. 482 This is especially relevant to DWARF2, since the compiler may emit line 483 number directives that the assembler resolves. */ 484 485enum debug_info_type { 486 DEBUG_UNSPECIFIED, 487 DEBUG_NONE, 488 DEBUG_STABS, 489 DEBUG_ECOFF, 490 DEBUG_DWARF, 491 DEBUG_DWARF2 492}; 493 494extern enum debug_info_type debug_type; 495extern int use_gnu_debug_info_extensions; 496 497/* Maximum level of macro nesting. */ 498extern int max_macro_nest; 499 500/* Verbosity level. */ 501extern int verbose; 502 503/* Obstack chunk size. Keep large for efficient space use, make small to 504 increase malloc calls for monitoring memory allocation. */ 505extern int chunksize; 506 507struct _pseudo_type { 508 /* assembler mnemonic, lower case, no '.' */ 509 const char *poc_name; 510 /* Do the work */ 511 void (*poc_handler) (int); 512 /* Value to pass to handler */ 513 int poc_val; 514}; 515 516typedef struct _pseudo_type pseudo_typeS; 517 518/* Prefer varargs for non-ANSI compiler, since some will barf if the 519 ellipsis definition is used with a no-arguments declaration. */ 520#if defined (HAVE_VARARGS_H) && !defined (__STDC__) 521#undef HAVE_STDARG_H 522#endif 523 524#if defined (HAVE_STDARG_H) 525#define USE_STDARG 526#endif 527#if !defined (USE_STDARG) && defined (HAVE_VARARGS_H) 528#define USE_VARARGS 529#endif 530 531#ifdef USE_STDARG 532#if (__GNUC__ >= 2) && !defined(VMS) 533/* for use with -Wformat */ 534 535#if __GNUC__ == 2 && __GNUC_MINOR__ < 6 536/* Support for double underscores in attribute names was added in gcc 537 2.6, so avoid them if we are using an earlier version. */ 538#define __printf__ printf 539#define __format__ format 540#endif 541 542#define PRINTF_LIKE(FCN) \ 543 void FCN (const char *format, ...) \ 544 __attribute__ ((__format__ (__printf__, 1, 2))) 545#define PRINTF_WHERE_LIKE(FCN) \ 546 void FCN (char *file, unsigned int line, const char *format, ...) \ 547 __attribute__ ((__format__ (__printf__, 3, 4))) 548 549#else /* __GNUC__ < 2 || defined(VMS) */ 550 551#define PRINTF_LIKE(FCN) void FCN (const char *format, ...) 552#define PRINTF_WHERE_LIKE(FCN) void FCN (char *file, \ 553 unsigned int line, \ 554 const char *format, ...) 555 556#endif /* __GNUC__ < 2 || defined(VMS) */ 557 558#else /* ! USE_STDARG */ 559 560#define PRINTF_LIKE(FCN) void FCN () 561#define PRINTF_WHERE_LIKE(FCN) void FCN () 562 563#endif /* ! USE_STDARG */ 564 565PRINTF_LIKE (as_bad); 566PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN; 567PRINTF_LIKE (as_tsktsk); 568PRINTF_LIKE (as_warn); 569PRINTF_WHERE_LIKE (as_bad_where); 570PRINTF_WHERE_LIKE (as_warn_where); 571 572void as_assert (const char *, int, const char *); 573void as_abort (const char *, int, const char *) ATTRIBUTE_NORETURN; 574 575void fprint_value (FILE *file, addressT value); 576void sprint_value (char *buf, addressT value); 577 578int had_errors (void); 579int had_warnings (void); 580 581void print_version_id (void); 582char *app_push (void); 583char *atof_ieee (char *str, int what_kind, LITTLENUM_TYPE * words); 584char *input_scrub_include_file (char *filename, char *position); 585extern void input_scrub_insert_line (const char *line); 586extern void input_scrub_insert_file (char *path); 587char *input_scrub_new_file (char *filename); 588char *input_scrub_next_buffer (char **bufp); 589int do_scrub_chars (int (*get) (char *, int), char *to, int tolen); 590int gen_to_words (LITTLENUM_TYPE * words, int precision, 591 long exponent_bits); 592int had_err (void); 593int ignore_input (void); 594void cond_finish_check (int); 595void cond_exit_macro (int); 596int seen_at_least_1_file (void); 597void app_pop (char *arg); 598void as_howmuch (FILE * stream); 599void as_perror (const char *gripe, const char *filename); 600void as_where (char **namep, unsigned int *linep); 601void bump_line_counters (void); 602void do_scrub_begin (int); 603void input_scrub_begin (void); 604void input_scrub_close (void); 605void input_scrub_end (void); 606int new_logical_line (char *fname, int line_number); 607void subsegs_begin (void); 608void subseg_change (segT seg, int subseg); 609segT subseg_new (const char *name, subsegT subseg); 610segT subseg_force_new (const char *name, subsegT subseg); 611void subseg_set (segT seg, subsegT subseg); 612#ifdef BFD_ASSEMBLER 613segT subseg_get (const char *, int); 614#endif 615int subseg_text_p (segT); 616 617void start_dependencies (char *); 618void register_dependency (char *); 619void print_dependencies (void); 620 621struct expressionS; 622struct fix; 623typedef struct symbol symbolS; 624typedef struct frag fragS; 625 626#ifdef BFD_ASSEMBLER 627/* literal.c */ 628valueT add_to_literal_pool (symbolS *, valueT, segT, int); 629#endif 630 631int check_eh_frame (struct expressionS *, unsigned int *); 632int eh_frame_estimate_size_before_relax (fragS *); 633int eh_frame_relax_frag (fragS *); 634void eh_frame_convert_frag (fragS *); 635 636int generic_force_reloc (struct fix *); 637 638#include "expr.h" /* Before targ-*.h */ 639 640/* this one starts the chain of target dependant headers */ 641#include "targ-env.h" 642 643#ifdef OBJ_MAYBE_ELF 644#define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour) 645#else 646#ifdef OBJ_ELF 647#define IS_ELF 1 648#else 649#define IS_ELF 0 650#endif 651#endif 652 653#include "write.h" 654#include "frags.h" 655#include "hash.h" 656#include "read.h" 657#include "symbols.h" 658 659#include "tc.h" 660#include "obj.h" 661 662#ifdef USE_EMULATIONS 663#include "emul.h" 664#endif 665#include "listing.h" 666 667#ifdef TC_M68K 668/* True if we are assembling in m68k MRI mode. */ 669COMMON int flag_m68k_mri; 670#else 671#define flag_m68k_mri 0 672#endif 673 674#ifdef WARN_COMMENTS 675COMMON int warn_comment; 676COMMON unsigned int found_comment; 677COMMON char *found_comment_file; 678#endif 679 680#ifndef NUMBERS_WITH_SUFFIX 681#define NUMBERS_WITH_SUFFIX 0 682#endif 683 684#ifndef LOCAL_LABELS_DOLLAR 685#define LOCAL_LABELS_DOLLAR 0 686#endif 687 688#ifndef LOCAL_LABELS_FB 689#define LOCAL_LABELS_FB 0 690#endif 691 692#ifndef LABELS_WITHOUT_COLONS 693#define LABELS_WITHOUT_COLONS 0 694#endif 695 696#ifndef NO_PSEUDO_DOT 697#define NO_PSEUDO_DOT 0 698#endif 699 700#ifndef TEXT_SECTION_NAME 701#define TEXT_SECTION_NAME ".text" 702#define DATA_SECTION_NAME ".data" 703#define BSS_SECTION_NAME ".bss" 704#endif 705 706#ifndef OCTETS_PER_BYTE_POWER 707#define OCTETS_PER_BYTE_POWER 0 708#endif 709#ifndef OCTETS_PER_BYTE 710#define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER) 711#endif 712#if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER) 713 #error "Octets per byte conflicts with its power-of-two definition!" 714#endif 715 716#endif /* GAS */ 717