read.h revision 38889 
1/* read.h - of read.c
2   Copyright (C) 1986, 90, 92, 93, 94, 95, 96, 1997
3   Free Software Foundation, Inc.
4
5   This file is part of GAS, the GNU Assembler.
6
7   GAS is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 2, or (at your option)
10   any later version.
11
12   GAS is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with GAS; see the file COPYING.  If not, write to
19   the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
20
21extern char *input_line_pointer;/* -> char we are parsing now. */
22
23#define PERMIT_WHITESPACE	/* Define to make whitespace be allowed in */
24/* many syntactically unnecessary places. */
25/* Normally undefined. For compatibility */
26/* with ancient GNU cc. */
27/* #undef PERMIT_WHITESPACE */
28
29#ifdef PERMIT_WHITESPACE
30#define SKIP_WHITESPACE() {if (* input_line_pointer == ' ') ++ input_line_pointer;}
31#else
32#define SKIP_WHITESPACE() know(*input_line_pointer != ' ' )
33#endif
34
35
36#define	LEX_NAME	(1)	/* may continue a name */
37#define LEX_BEGIN_NAME	(2)	/* may begin a name */
38
39#define is_name_beginner(c) \
40  ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME )
41#define is_part_of_name(c) \
42  ( lex_type[(unsigned char) (c)] & LEX_NAME       )
43
44#ifndef is_a_char
45#define CHAR_MASK	(0xff)
46#define NOT_A_CHAR	(CHAR_MASK+1)
47#define is_a_char(c)	(((unsigned)(c)) <= CHAR_MASK)
48#endif /* is_a_char() */
49
50extern char lex_type[];
51extern char is_end_of_line[];
52
53extern int is_it_end_of_statement PARAMS ((void));
54
55extern int target_big_endian;
56
57/* These are initialized by the CPU specific target files (tc-*.c).  */
58extern const char comment_chars[];
59extern const char line_comment_chars[];
60extern const char line_separator_chars[];
61
62/* Table of -I directories.  */
63extern char **include_dirs;
64extern int include_dir_count;
65extern int include_dir_maxlen;
66
67/* The offset in the absolute section.  */
68extern addressT abs_section_offset;
69
70/* The label on a line, used by some of the pseudo-ops.  */
71extern symbolS *line_label;
72
73/* This is used to support MRI common sections.  */
74extern symbolS *mri_common_symbol;
75
76/* Possible arguments to .linkonce.  */
77enum linkonce_type
78{
79  LINKONCE_UNSET = 0,
80  LINKONCE_DISCARD,
81  LINKONCE_ONE_ONLY,
82  LINKONCE_SAME_SIZE,
83  LINKONCE_SAME_CONTENTS
84};
85
86extern void pop_insert PARAMS ((const pseudo_typeS *));
87extern unsigned int get_stab_string_offset
88  PARAMS ((const char *string, const char *stabstr_secname));
89extern char *demand_copy_C_string PARAMS ((int *len_pointer));
90extern char get_absolute_expression_and_terminator
91  PARAMS ((long *val_pointer));
92extern offsetT get_absolute_expression PARAMS ((void));
93extern unsigned int next_char_of_string PARAMS ((void));
94extern void s_mri_sect PARAMS ((char *));
95extern char *mri_comment_field PARAMS ((char *));
96extern void mri_comment_end PARAMS ((char *, int));
97extern void add_include_dir PARAMS ((char *path));
98extern void cons PARAMS ((int nbytes));
99extern void demand_empty_rest_of_line PARAMS ((void));
100extern void emit_expr PARAMS ((expressionS *exp, unsigned int nbytes));
101extern void emit_leb128_expr PARAMS ((expressionS *, int));
102extern void equals PARAMS ((char *sym_name, int reassign));
103extern void float_cons PARAMS ((int float_type));
104extern void ignore_rest_of_line PARAMS ((void));
105extern int output_leb128 PARAMS ((char *, valueT, int sign));
106extern void pseudo_set PARAMS ((symbolS * symbolP));
107extern void read_a_source_file PARAMS ((char *name));
108extern void read_begin PARAMS ((void));
109extern void read_print_statistics PARAMS ((FILE *));
110extern int sizeof_leb128 PARAMS ((valueT, int sign));
111extern void stabs_generate_asm_lineno PARAMS ((void));
112
113extern void s_abort PARAMS ((int));
114extern void s_align_bytes PARAMS ((int arg));
115extern void s_align_ptwo PARAMS ((int));
116extern void s_app_file PARAMS ((int));
117extern void s_app_line PARAMS ((int));
118extern void s_comm PARAMS ((int));
119extern void s_data PARAMS ((int));
120extern void s_desc PARAMS ((int));
121extern void s_else PARAMS ((int arg));
122extern void s_end PARAMS ((int arg));
123extern void s_endif PARAMS ((int arg));
124extern void s_err PARAMS ((int));
125extern void s_fail PARAMS ((int));
126extern void s_fill PARAMS ((int));
127extern void s_float_space PARAMS ((int mult));
128extern void s_globl PARAMS ((int arg));
129extern void s_if PARAMS ((int arg));
130extern void s_ifc PARAMS ((int arg));
131extern void s_ifdef PARAMS ((int arg));
132extern void s_ifeqs PARAMS ((int arg));
133extern void s_ignore PARAMS ((int arg));
134extern void s_include PARAMS ((int arg));
135extern void s_irp PARAMS ((int arg));
136extern void s_lcomm PARAMS ((int needs_align));
137extern void s_lcomm_bytes PARAMS ((int needs_align));
138extern void s_leb128 PARAMS ((int sign));
139extern void s_linkonce PARAMS ((int));
140extern void s_lsym PARAMS ((int));
141extern void s_macro PARAMS ((int));
142extern void s_mexit PARAMS ((int));
143extern void s_mri PARAMS ((int));
144extern void s_mri_common PARAMS ((int));
145extern void s_org PARAMS ((int));
146extern void s_print PARAMS ((int));
147extern void s_purgem PARAMS ((int));
148extern void s_rept PARAMS ((int));
149extern void s_set PARAMS ((int));
150extern void s_space PARAMS ((int mult));
151extern void s_stab PARAMS ((int what));
152extern void s_struct PARAMS ((int));
153extern void s_text PARAMS ((int));
154extern void stringer PARAMS ((int append_zero));
155extern void s_xstab PARAMS ((int what));
156extern void s_rva PARAMS ((int));
157
158/* end of read.h */
159