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gdb: add target_ops::supports_displaced_step
[deliverable/binutils-gdb.git] / gas / read.h
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252b5132 1/* read.h - of read.c
b3adc24a 2 Copyright (C) 1986-2020 Free Software Foundation, Inc.
252b5132
RH		 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
ec2655a6 8 the Free Software Foundation; either version 3, or (at your option)
252b5132
RH		 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
ee515fb7 17 along with GAS; see the file COPYING. If not, write to the Free
4b4da160
NC		 18 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
19 02110-1301, USA. */
252b5132 20
ee515fb7 21extern char *input_line_pointer; /* -> char we are parsing now. */
2469b3c5 22extern bfd_boolean input_from_string;
252b5132 23
ee515fb7
KH		 24/* Define to make whitespace be allowed in many syntactically
25 unnecessary places. Normally undefined. For compatibility with
26 ancient GNU cc. */
252b5132 27/* #undef PERMIT_WHITESPACE */
ee515fb7 28#define PERMIT_WHITESPACE
252b5132
RH		 29
30#ifdef PERMIT_WHITESPACE
ee515fb7 31#define SKIP_WHITESPACE() \
e4475e39 32 ((*input_line_pointer == ' ') ? ++input_line_pointer : 0)
14c1428b
NC		 33#define SKIP_ALL_WHITESPACE() \
34 while (*input_line_pointer == ' ') ++input_line_pointer
252b5132 35#else
14c1428b
NC		 36#define SKIP_WHITESPACE() know (*input_line_pointer != ' ' )
37#define SKIP_ALL_WHITESPACE() SKIP_WHITESPACE()
252b5132
RH		 38#endif
39
d02603dc
NC		 40#define SKIP_WHITESPACE_AFTER_NAME() \
41 do \
42 { \
43 if (* input_line_pointer == '"') \
44 ++ input_line_pointer; \
45 if (* input_line_pointer == ' ') \
46 ++ input_line_pointer; \
47 } \
48 while (0)
49
252b5132
RH		 50#define LEX_NAME (1) /* may continue a name */
51#define LEX_BEGIN_NAME (2) /* may begin a name */
58b5739a 52#define LEX_END_NAME (4) /* ends a name */
252b5132
RH		 53
54#define is_name_beginner(c) \
55 ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME )
56#define is_part_of_name(c) \
57 ( lex_type[(unsigned char) (c)] & LEX_NAME )
58b5739a
RH		 58#define is_name_ender(c) \
59 ( lex_type[(unsigned char) (c)] & LEX_END_NAME )
252b5132
RH		 60
61#ifndef is_a_char
62#define CHAR_MASK (0xff)
63#define NOT_A_CHAR (CHAR_MASK+1)
ee515fb7 64#define is_a_char(c) (((unsigned) (c)) <= CHAR_MASK)
252b5132
RH		 65#endif /* is_a_char() */
66
67extern char lex_type[];
68extern char is_end_of_line[];
69
39e6acbd 70extern int is_it_end_of_statement (void);
40a4d956 71extern char *find_end_of_line (char *, int);
252b5132
RH		 72
73extern int target_big_endian;
74
75/* These are initialized by the CPU specific target files (tc-*.c). */
76extern const char comment_chars[];
77extern const char line_comment_chars[];
78extern const char line_separator_chars[];
79
80/* Table of -I directories. */
e0471c16 81extern const char **include_dirs;
252b5132
RH		 82extern int include_dir_count;
83extern int include_dir_maxlen;
84
85/* The offset in the absolute section. */
86extern addressT abs_section_offset;
87
88/* The label on a line, used by some of the pseudo-ops. */
89extern symbolS *line_label;
90
91/* This is used to support MRI common sections. */
92extern symbolS *mri_common_symbol;
93
bccba5f0 94/* True if a stabs line debug statement is currently being emitted. */
92eb7b32 95extern int outputting_stabs_line_debug;
bccba5f0 96
252b5132 97/* Possible arguments to .linkonce. */
ee515fb7 98enum linkonce_type {
252b5132
RH		 99 LINKONCE_UNSET = 0,
100 LINKONCE_DISCARD,
101 LINKONCE_ONE_ONLY,
102 LINKONCE_SAME_SIZE,
103 LINKONCE_SAME_CONTENTS
104};
105
a8a3b3b2 106#ifndef TC_CASE_SENSITIVE
37d8bb27
NC		 107extern char original_case_string[];
108#endif
109
62ebcb5c
AM		 110#ifndef TC_PARSE_CONS_RETURN_TYPE
111#define TC_PARSE_CONS_RETURN_TYPE bfd_reloc_code_real_type
112#define TC_PARSE_CONS_RETURN_NONE BFD_RELOC_NONE
113#endif
114
39e6acbd 115extern void pop_insert (const pseudo_typeS *);
252b5132 116extern unsigned int get_stab_string_offset
0acc7632 117 (const char *, const char *, bfd_boolean);
39e6acbd
KH		 118extern void aout_process_stab (int, const char *, int, int, int);
119extern char *demand_copy_string (int *lenP);
120extern char *demand_copy_C_string (int *len_pointer);
121extern char get_absolute_expression_and_terminator (long *val_pointer);
39e6acbd
KH		 122extern offsetT get_absolute_expression (void);
123extern unsigned int next_char_of_string (void);
124extern void s_mri_sect (char *);
125extern char *mri_comment_field (char *);
126extern void mri_comment_end (char *, int);
127extern void add_include_dir (char *path);
128extern void cons (int nbytes);
129extern void demand_empty_rest_of_line (void);
130extern void emit_expr (expressionS *exp, unsigned int nbytes);
62ebcb5c
AM		 131extern void emit_expr_with_reloc (expressionS *exp, unsigned int nbytes,
132 TC_PARSE_CONS_RETURN_TYPE);
133extern void emit_expr_fix (expressionS *, unsigned int, fragS *, char *,
134 TC_PARSE_CONS_RETURN_TYPE);
9136aa49
DG		 135extern void equals (char *, int);
136extern void float_cons (int);
39e6acbd 137extern void ignore_rest_of_line (void);
40a4d956 138#define discard_rest_of_line ignore_rest_of_line
9136aa49 139extern unsigned output_leb128 (char *, valueT, int);
39e6acbd 140extern void pseudo_set (symbolS * symbolP);
e0471c16 141extern void read_a_source_file (const char *name);
39e6acbd
KH		 142extern void read_begin (void);
143extern void read_print_statistics (FILE *);
69602580 144extern char *read_symbol_name (void);
9136aa49 145extern unsigned sizeof_leb128 (valueT, int);
39e6acbd
KH		 146extern void stabs_generate_asm_file (void);
147extern void stabs_generate_asm_lineno (void);
148extern void stabs_generate_asm_func (const char *, const char *);
149extern void stabs_generate_asm_endfunc (const char *, const char *);
808811a3
NC		 150extern void do_repeat (size_t, const char *, const char *);
151extern void do_repeat_with_expander (size_t, const char *, const char *, const char *);
39e6acbd
KH		 152extern void end_repeat (int);
153extern void do_parse_cons_expression (expressionS *, int);
154
155extern void generate_lineno_debug (void);
156
157extern void s_abort (int) ATTRIBUTE_NORETURN;
158extern void s_align_bytes (int arg);
159extern void s_align_ptwo (int);
f86f5863
TS		 160extern void do_align (unsigned int align, char *fill, unsigned int length,
161 unsigned int max);
9136aa49 162extern void bss_alloc (symbolS *, addressT, unsigned);
e13bab5a
AM		 163extern offsetT parse_align (int);
164extern symbolS *s_comm_internal (int, symbolS *(*) (int, symbolS *, addressT));
13c56984 165extern symbolS *s_lcomm_internal (int, symbolS *, addressT);
c04f5787 166extern void s_app_file_string (char *, int);
39e6acbd
KH		 167extern void s_app_file (int);
168extern void s_app_line (int);
fa94de6b
RM		 169extern void s_bundle_align_mode (int);
170extern void s_bundle_lock (int);
171extern void s_bundle_unlock (int);
39e6acbd
KH		 172extern void s_comm (int);
173extern void s_data (int);
174extern void s_desc (int);
175extern void s_else (int arg);
176extern void s_elseif (int arg);
177extern void s_end (int arg);
178extern void s_endif (int arg);
179extern void s_err (int);
d190d046 180extern void s_errwarn (int);
39e6acbd
KH		 181extern void s_fail (int);
182extern void s_fill (int);
183extern void s_float_space (int mult);
184extern void s_func (int);
39e6acbd
KH		 185extern void s_globl (int arg);
186extern void s_if (int arg);
26aca5f6 187extern void s_ifb (int arg);
39e6acbd
KH		 188extern void s_ifc (int arg);
189extern void s_ifdef (int arg);
190extern void s_ifeqs (int arg);
191extern void s_ignore (int arg);
192extern void s_include (int arg);
193extern void s_irp (int arg);
194extern void s_lcomm (int needs_align);
195extern void s_lcomm_bytes (int needs_align);
196extern void s_leb128 (int sign);
197extern void s_linkonce (int);
198extern void s_lsym (int);
199extern void s_macro (int);
200extern void s_mexit (int);
201extern void s_mri (int);
202extern void s_mri_common (int);
203extern void s_org (int);
204extern void s_print (int);
205extern void s_purgem (int);
206extern void s_rept (int);
207extern void s_set (int);
208extern void s_space (int mult);
8f065d3b 209extern void s_nops (int);
39e6acbd
KH		 210extern void s_stab (int what);
211extern void s_struct (int);
212extern void s_text (int);
213extern void stringer (int append_zero);
214extern void s_xstab (int what);
215extern void s_rva (int);
216extern void s_incbin (int);
06e77878 217extern void s_weakref (int);
1181551e
NC		 218extern void temp_ilp (char *);
219extern void restore_ilp (void);
GDB Binutils - Deliverables
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