source: binutils/vendor/current/gas/read.h@ 970

Last change on this file since 970 was 970, checked in by psmedley, 10 years ago

binutils: initial vendor import of binutils 2.25
File size: 6.7 KB
Line 
1/* read.h - of read.c
2 Copyright (C) 1986-2014 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 3, 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 the Free
18 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
19 02110-1301, USA. */
20
21extern char *input_line_pointer; /* -> char we are parsing now. */
22
23/* Define to make whitespace be allowed in many syntactically
24 unnecessary places. Normally undefined. For compatibility with
25 ancient GNU cc. */
26/* #undef PERMIT_WHITESPACE */
27#define PERMIT_WHITESPACE
28
29#ifdef PERMIT_WHITESPACE
30#define SKIP_WHITESPACE() \
31 ((*input_line_pointer == ' ') ? ++input_line_pointer : 0)
32#else
33#define SKIP_WHITESPACE() know(*input_line_pointer != ' ' )
34#endif
35
36#define LEX_NAME (1) /* may continue a name */
37#define LEX_BEGIN_NAME (2) /* may begin a name */
38#define LEX_END_NAME (4) /* ends a name */
39
40#define is_name_beginner(c) \
41 ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME )
42#define is_part_of_name(c) \
43 ( lex_type[(unsigned char) (c)] & LEX_NAME )
44#define is_name_ender(c) \
45 ( lex_type[(unsigned char) (c)] & LEX_END_NAME )
46
47#ifndef is_a_char
48#define CHAR_MASK (0xff)
49#define NOT_A_CHAR (CHAR_MASK+1)
50#define is_a_char(c) (((unsigned) (c)) <= CHAR_MASK)
51#endif /* is_a_char() */
52
53extern char lex_type[];
54extern char is_end_of_line[];
55
56extern int is_it_end_of_statement (void);
57extern char *find_end_of_line (char *, int);
58
59extern int target_big_endian;
60
61/* These are initialized by the CPU specific target files (tc-*.c). */
62extern const char comment_chars[];
63extern const char line_comment_chars[];
64extern const char line_separator_chars[];
65
66/* Table of -I directories. */
67extern char **include_dirs;
68extern int include_dir_count;
69extern int include_dir_maxlen;
70
71/* The offset in the absolute section. */
72extern addressT abs_section_offset;
73
74/* The label on a line, used by some of the pseudo-ops. */
75extern symbolS *line_label;
76
77/* This is used to support MRI common sections. */
78extern symbolS *mri_common_symbol;
79
80/* True if a stabs line debug statement is currently being emitted. */
81extern int outputting_stabs_line_debug;
82
83/* Possible arguments to .linkonce. */
84enum linkonce_type {
85 LINKONCE_UNSET = 0,
86 LINKONCE_DISCARD,
87 LINKONCE_ONE_ONLY,
88 LINKONCE_SAME_SIZE,
89 LINKONCE_SAME_CONTENTS
90};
91
92#ifndef TC_CASE_SENSITIVE
93extern char original_case_string[];
94#endif
95
96#ifndef TC_PARSE_CONS_RETURN_TYPE
97#define TC_PARSE_CONS_RETURN_TYPE bfd_reloc_code_real_type
98#define TC_PARSE_CONS_RETURN_NONE BFD_RELOC_NONE
99#endif
100
101extern void pop_insert (const pseudo_typeS *);
102extern unsigned int get_stab_string_offset
103 (const char *string, const char *stabstr_secname);
104extern void aout_process_stab (int, const char *, int, int, int);
105extern char *demand_copy_string (int *lenP);
106extern char *demand_copy_C_string (int *len_pointer);
107extern char get_absolute_expression_and_terminator (long *val_pointer);
108extern offsetT get_absolute_expression (void);
109extern unsigned int next_char_of_string (void);
110extern void s_mri_sect (char *);
111extern char *mri_comment_field (char *);
112extern void mri_comment_end (char *, int);
113extern void add_include_dir (char *path);
114extern void cons (int nbytes);
115extern void demand_empty_rest_of_line (void);
116extern void emit_expr (expressionS *exp, unsigned int nbytes);
117extern void emit_expr_with_reloc (expressionS *exp, unsigned int nbytes,
118 TC_PARSE_CONS_RETURN_TYPE);
119extern void emit_expr_fix (expressionS *, unsigned int, fragS *, char *,
120 TC_PARSE_CONS_RETURN_TYPE);
121extern void equals (char *sym_name, int reassign);
122extern void float_cons (int float_type);
123extern void ignore_rest_of_line (void);
124#define discard_rest_of_line ignore_rest_of_line
125extern int output_leb128 (char *, valueT, int sign);
126extern void pseudo_set (symbolS * symbolP);
127extern void read_a_source_file (char *name);
128extern void read_begin (void);
129extern void read_print_statistics (FILE *);
130extern int sizeof_leb128 (valueT, int sign);
131extern void stabs_generate_asm_file (void);
132extern void stabs_generate_asm_lineno (void);
133extern void stabs_generate_asm_func (const char *, const char *);
134extern void stabs_generate_asm_endfunc (const char *, const char *);
135extern void do_repeat (int,const char *,const char *);
136extern void do_repeat_with_expander (int, const char *, const char *, const char *);
137extern void end_repeat (int);
138extern void do_parse_cons_expression (expressionS *, int);
139
140extern void generate_lineno_debug (void);
141
142extern void s_abort (int) ATTRIBUTE_NORETURN;
143extern void s_align_bytes (int arg);
144extern void s_align_ptwo (int);
145extern void bss_alloc (symbolS *, addressT, int);
146extern offsetT parse_align (int);
147extern symbolS *s_comm_internal (int, symbolS *(*) (int, symbolS *, addressT));
148extern symbolS *s_lcomm_internal (int, symbolS *, addressT);
149extern void s_app_file_string (char *, int);
150extern void s_app_file (int);
151extern void s_app_line (int);
152extern void s_bundle_align_mode (int);
153extern void s_bundle_lock (int);
154extern void s_bundle_unlock (int);
155extern void s_comm (int);
156extern void s_data (int);
157extern void s_desc (int);
158extern void s_else (int arg);
159extern void s_elseif (int arg);
160extern void s_end (int arg);
161extern void s_endif (int arg);
162extern void s_err (int);
163extern void s_errwarn (int);
164extern void s_fail (int);
165extern void s_fill (int);
166extern void s_float_space (int mult);
167extern void s_func (int);
168extern void s_globl (int arg);
169extern void s_if (int arg);
170extern void s_ifb (int arg);
171extern void s_ifc (int arg);
172extern void s_ifdef (int arg);
173extern void s_ifeqs (int arg);
174extern void s_ignore (int arg);
175extern void s_include (int arg);
176extern void s_irp (int arg);
177extern void s_lcomm (int needs_align);
178extern void s_lcomm_bytes (int needs_align);
179extern void s_leb128 (int sign);
180extern void s_linkonce (int);
181extern void s_lsym (int);
182extern void s_macro (int);
183extern void s_mexit (int);
184extern void s_mri (int);
185extern void s_mri_common (int);
186extern void s_org (int);
187extern void s_print (int);
188extern void s_purgem (int);
189extern void s_rept (int);
190extern void s_set (int);
191extern void s_space (int mult);
192extern void s_stab (int what);
193extern void s_struct (int);
194extern void s_text (int);
195extern void stringer (int append_zero);
196extern void s_xstab (int what);
197extern void s_rva (int);
198extern void s_incbin (int);
199extern void s_weakref (int);
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