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Diffstat (limited to 'gnu/gas/as.h')
| -rw-r--r-- | gnu/gas/as.h | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/gnu/gas/as.h b/gnu/gas/as.h deleted file mode 100644 index 8de405257b5d..000000000000 --- a/gnu/gas/as.h +++ /dev/null @@ -1,292 +0,0 @@ -/* as.h - global header file - Copyright (C) 1987 Free Software Foundation, Inc. - -This file is part of GAS, the GNU Assembler. - -GAS is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GAS is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GAS; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#ifndef asH -#define asH /* Don't declare things twice. */ - -#if !defined(__STDC__) && !defined(const) -#define const /* ignore */ -#endif - -#ifdef USG -#define index strchr -#define bzero(s,n) memset((s),0,(n)) -#define bcopy(from,to,n) memcpy((to),(from),(n)) -#define setbuffer(a,b,c) -#endif - -/* - * CAPITALISED names are #defined. - * "lowercaseH" is #defined if "lowercase.h" has been #include-d. - * "lowercaseT" is a typedef of "lowercase" objects. - * "lowercaseP" is type "pointer to object of type 'lowercase'". - * "lowercaseS" is typedef struct ... lowercaseS. - * - * #define SUSPECT when debugging. - * #define DUMP to include data-structure dumpers. - * #define COMMON as "extern" for all modules except one, where you #define - * COMMON as "". - * If TEST is #defined, then we are testing a module: #define COMMON as "". - */ - - - -/* These #defines are for parameters of entire assembler. */ - -/* #define SUSPECT JF remove for speed testing */ -/* #define DUMP */ -#define NDEBUG /* JF disable asserts */ -/* These #includes are for type definitions etc. */ - -/* #include "style.h" */ -#include <stdio.h> -#include <assert.h> -#define obstack_chunk_alloc xmalloc -#define obstack_chunk_free xfree - -/* These defines are potentially useful */ -#define FALSE (0) -#define TRUE (!FALSE) -#define ASSERT assert -#define BAD_CASE(value) \ -{ \ - as_fatal ("Case value %d unexpected at line %d of file \"%s\"\n", \ - value, __LINE__, __FILE__); \ -} - - - - -/* These are assembler-wide concepts */ - - -#ifndef COMMON -#ifdef TEST -#define COMMON /* declare our COMMONs storage here. */ -#else -#define COMMON extern /* our commons live elswhere */ -#endif -#endif - /* COMMON now defined */ - -#ifdef SUSPECT -#define register /* no registers: helps debugging */ -#define know(p) ASSERT(p) /* know() is less ugly than #ifdef SUSPECT/ */ - /* assert()/#endif. */ -#else -#define know(p) /* know() checks are no-op.ed */ -#endif /* #ifdef SUSPECT */ - - -char *xmalloc(); /* keep C compilers happy */ -char *xrealloc(); /* " */ -void free(); /* " */ -#define xfree free - -/* input_scrub.c */ - -/* - * Supplies sanitised buffers to read.c. - * Also understands printing line-number part of error messages. - */ - - /* Line number things. */ -int seen_at_least_1_file(); -void bump_line_counters(); -void new_logical_line(); -void as_where(); -void as_perror(); -void as_howmuch(); - /* Sanitising things. */ -void input_scrub_begin(); -void input_scrub_end(); -char *input_scrub_new_file(); -char *input_scrub_next_buffer(); - -/* subsegs.c Sub-segments. Also, segment(=expression type)s.*/ - -/* - * This table describes the use of segments as EXPRESSION types. - * - * X_seg X_add_symbol X_subtract_symbol X_add_number - * SEG_NONE no (legal) expression - * SEG_PASS1 no (defined) " - * SEG_BIG * > 32 bits const. - * SEG_ABSOLUTE 0 - * SEG_DATA * 0 - * SEG_TEXT * 0 - * SEG_BSS * 0 - * SEG_UNKNOWN * 0 - * SEG_DIFFERENCE 0 * 0 - * - * The blank fields MUST be 0, and are nugatory. - * The '0' fields MAY be 0. The '*' fields MAY NOT be 0. - * - * SEG_BIG: X_add_number is < 0 if the result is in - * generic_floating_point_number. The value is -'c' where c is the - * character that introduced the constant. e.g. "0f6.9" will have -'f' - * as a X_add_number value. - * X_add_number > 0 is a count of how many littlenums it took to - * represent a bignum. - * SEG_DIFFERENCE: - * If segments of both symbols are known, they are the same segment. - * X_add_symbol != X_sub_symbol (then we just cancel them, => SEG_ABSOLUTE). - */ - -typedef enum -{ - SEG_ABSOLUTE, - SEG_TEXT, - SEG_DATA, - SEG_BSS, - SEG_UNKNOWN, - SEG_NONE, /* Mythical Segment: NO expression seen. */ - SEG_PASS1, /* Mythical Segment: Need another pass. */ - SEG_GOOF, /* Only happens if AS has a logic error. */ - /* Invented so we don't crash printing */ - /* error message involving weird segment. */ - SEG_BIG, /* Bigger than 32 bits constant. */ - SEG_DIFFERENCE /* Mythical Segment: absolute difference. */ -} segT; -#define SEG_MAXIMUM_ORDINAL (SEG_DIFFERENCE) - -typedef unsigned char subsegT; - -COMMON subsegT now_subseg; - /* What subseg we are accreting now? */ - - -COMMON segT now_seg; - /* Segment our instructions emit to. */ - /* Only OK values are SEG_TEXT or SEG_DATA. */ - - -extern char *const seg_name[]; -extern const int seg_N_TYPE[]; -extern const segT N_TYPE_seg[]; -void subsegs_begin(); -void subseg_change(); -void subseg_new(); - -/* relax() */ - -typedef enum -{ - rs_fill, /* Variable chars to be repeated fr_offset */ - /* times. Fr_symbol unused. */ - /* Used with fr_offset == 0 for a constant */ - /* length frag. */ - - rs_align, /* Align: Fr_offset: power of 2. */ - /* 1 variable char: fill character. */ - rs_org, /* Org: Fr_offset, fr_symbol: address. */ - /* 1 variable char: fill character. */ - - rs_machine_dependent, -#ifndef WORKING_DOT_WORD - rs_broken_word, /* JF: gunpoint */ -#endif -} -relax_stateT; - -/* typedef unsigned char relax_substateT; */ -/* JF this is more likely to leave the end of a struct frag on an align - boundry. Be very careful with this. */ -typedef unsigned long int relax_substateT; - -typedef unsigned long int relax_addressT;/* Enough bits for address. */ - /* Still an integer type. */ - - -/* frags.c */ - -/* - * A code fragment (frag) is some known number of chars, followed by some - * unknown number of chars. Typically the unknown number of chars is an - * instruction address whose size is yet unknown. We always know the greatest - * possible size the unknown number of chars may become, and reserve that - * much room at the end of the frag. - * Once created, frags do not change address during assembly. - * We chain the frags in (a) forward-linked list(s). The object-file address - * of the 1st char of a frag is generally not known until after relax(). - * Many things at assembly time describe an address by {object-file-address - * of a particular frag}+offset. - - BUG: it may be smarter to have a single pointer off to various different -notes for different frag kinds. See how code pans out. - - - */ -struct frag /* a code fragment */ -{ - long unsigned int fr_address; /* Object file address. */ - struct frag *fr_next; /* Chain forward; ascending address order. */ - /* Rooted in frch_root. */ - - long int fr_fix; /* (Fixed) number of chars we know we have. */ - /* May be 0. */ - long int fr_var; /* (Variable) number of chars after above. */ - /* May be 0. */ - struct symbol *fr_symbol; /* For variable-length tail. */ - long int fr_offset; /* For variable-length tail. */ - char *fr_opcode; /*->opcode low addr byte,for relax()ation*/ - relax_stateT fr_type; /* What state is my tail in? */ - relax_substateT fr_subtype; - /* These are needed only on the NS32K machines */ - char fr_pcrel_adjust; - char fr_bsr; - char fr_literal [1]; /* Chars begin here. */ - /* One day we will compile fr_literal[0]. */ -}; -#define SIZEOF_STRUCT_FRAG \ - ((int)zero_address_frag.fr_literal-(int)&zero_address_frag) - /* We want to say fr_literal[0] above. */ - -typedef struct frag fragS; - -COMMON fragS * frag_now; /* -> current frag we are building. */ - /* This frag is incomplete. */ - /* It is, however, included in frchain_now. */ - /* Frag_now->fr_fix is bogus. Use: */ -/* Virtual frag_now->fr_fix==obstack_next_free(&frags)-frag_now->fr_literal.*/ - -COMMON fragS zero_address_frag; /* For foreign-segment symbol fixups. */ -COMMON fragS bss_address_frag; /* For local common (N_BSS segment) fixups. */ - -void frag_new(); -char * frag_more(); -char * frag_var(); -void frag_wane(); -void frag_align(); - - -/* main program "as.c" (command arguments etc) */ - -COMMON char -flagseen[128]; /* ['x'] TRUE if "-x" seen. */ - -COMMON char * -out_file_name; /* name of emitted object file */ - -COMMON int need_pass_2; /* TRUE if we need a second pass. */ - - -#endif /* #ifdef asH */ - -/* end: as.h */ |