read.h revision 33965 
1/* read.h - of read.c
2   Copyright (C) 1986, 90, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
3
4   This file is part of GAS, the GNU Assembler.
5
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)
9   any later version.
10
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.
15
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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
19
20extern char *input_line_pointer;/* -> char we are parsing now. */
21
22#define PERMIT_WHITESPACE	/* Define to make whitespace be allowed in */
23/* many syntactically unnecessary places. */
24/* Normally undefined. For compatibility */
25/* with ancient GNU cc. */
26/* #undef PERMIT_WHITESPACE */
27
28#ifdef PERMIT_WHITESPACE
29#define SKIP_WHITESPACE() {if (* input_line_pointer == ' ') ++ input_line_pointer;}
30#else
31#define SKIP_WHITESPACE() know(*input_line_pointer != ' ' )
32#endif
33
34
35#define	LEX_NAME	(1)	/* may continue a name */
36#define LEX_BEGIN_NAME	(2)	/* may begin a name */
37
38#define is_name_beginner(c) \
39  ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME )
40#define is_part_of_name(c) \
41  ( lex_type[(unsigned char) (c)] & LEX_NAME       )
42
43#ifndef is_a_char
44#define CHAR_MASK	(0xff)
45#define NOT_A_CHAR	(CHAR_MASK+1)
46#define is_a_char(c)	(((unsigned)(c)) <= CHAR_MASK)
47#endif /* is_a_char() */
48
49extern char lex_type[];
50extern char is_end_of_line[];
51
52extern int is_it_end_of_statement PARAMS ((void));
53
54extern int target_big_endian;
55
56/* These are initialized by the CPU specific target files (tc-*.c).  */
57extern const char comment_chars[];
58extern const char line_comment_chars[];
59extern const char line_separator_chars[];
60
61/* This flag whether to generate line info for asm file */
62extern int generate_asm_lineno;
63
64/* The offset in the absolute section.  */
65extern addressT abs_section_offset;
66
67/* The label on a line, used by some of the pseudo-ops.  */
68extern symbolS *line_label;
69
70/* This is used to support MRI common sections.  */
71extern symbolS *mri_common_symbol;
72
73/* Possible arguments to .linkonce.  */
74enum linkonce_type
75{
76  LINKONCE_UNSET = 0,
77  LINKONCE_DISCARD,
78  LINKONCE_ONE_ONLY,
79  LINKONCE_SAME_SIZE,
80  LINKONCE_SAME_CONTENTS
81};
82
83extern void pop_insert PARAMS ((const pseudo_typeS *));
84extern unsigned int get_stab_string_offset
85  PARAMS ((const char *string, const char *stabstr_secname));
86extern char *demand_copy_C_string PARAMS ((int *len_pointer));
87extern char get_absolute_expression_and_terminator
88  PARAMS ((long *val_pointer));
89extern offsetT get_absolute_expression PARAMS ((void));
90extern unsigned int next_char_of_string PARAMS ((void));
91extern void s_mri_sect PARAMS ((char *));
92extern char *mri_comment_field PARAMS ((char *));
93extern void mri_comment_end PARAMS ((char *, int));
94extern void add_include_dir PARAMS ((char *path));
95extern void cons PARAMS ((int nbytes));
96extern void demand_empty_rest_of_line PARAMS ((void));
97extern void emit_expr PARAMS ((expressionS *exp, unsigned int nbytes));
98extern void equals PARAMS ((char *sym_name, int reassign));
99extern void float_cons PARAMS ((int float_type));
100extern void ignore_rest_of_line PARAMS ((void));
101extern void pseudo_set PARAMS ((symbolS * symbolP));
102extern void read_a_source_file PARAMS ((char *name));
103extern void read_begin PARAMS ((void));
104extern void s_abort PARAMS ((int));
105extern void s_align_bytes PARAMS ((int arg));
106extern void s_align_ptwo PARAMS ((int));
107extern void s_app_file PARAMS ((int));
108extern void s_app_line PARAMS ((int));
109extern void s_comm PARAMS ((int));
110extern void s_data PARAMS ((int));
111extern void s_desc PARAMS ((int));
112extern void s_else PARAMS ((int arg));
113extern void s_end PARAMS ((int arg));
114extern void s_endif PARAMS ((int arg));
115extern void s_err PARAMS ((int));
116extern void s_fail PARAMS ((int));
117extern void s_fill PARAMS ((int));
118extern void s_float_space PARAMS ((int mult));
119extern void s_globl PARAMS ((int arg));
120extern void s_if PARAMS ((int arg));
121extern void s_ifc PARAMS ((int arg));
122extern void s_ifdef PARAMS ((int arg));
123extern void s_ifeqs PARAMS ((int arg));
124extern void s_ignore PARAMS ((int arg));
125extern void s_include PARAMS ((int arg));
126extern void s_irp PARAMS ((int arg));
127extern void s_lcomm PARAMS ((int needs_align));
128extern void s_linkonce PARAMS ((int));
129extern void s_lsym PARAMS ((int));
130extern void s_macro PARAMS ((int));
131extern void s_mexit PARAMS ((int));
132extern void s_mri PARAMS ((int));
133extern void s_mri_common PARAMS ((int));
134extern void s_org PARAMS ((int));
135extern void s_print PARAMS ((int));
136extern void s_purgem PARAMS ((int));
137extern void s_rept PARAMS ((int));
138extern void s_set PARAMS ((int));
139extern void s_space PARAMS ((int mult));
140extern void s_stab PARAMS ((int what));
141extern void s_struct PARAMS ((int));
142extern void s_text PARAMS ((int));
143extern void stringer PARAMS ((int append_zero));
144extern void s_xstab PARAMS ((int what));
145extern void s_rva PARAMS ((int));
146extern void read_print_statistics PARAMS ((FILE *));
147
148/* end of read.h */
149