Commit | Line | Data |
---|---|---|
b0556316 | 1 | %option nounput noyywrap |
cfdf38f2 | 2 | |
252b5132 RH |
3 | %{ |
4 | ||
250d07de | 5 | /* Copyright (C) 1991-2021 Free Software Foundation, Inc. |
f96b4a7b | 6 | Written by Steve Chamberlain of Cygnus Support. |
252b5132 | 7 | |
f96b4a7b | 8 | This file is part of the GNU Binutils. |
252b5132 | 9 | |
f96b4a7b | 10 | This program is free software; you can redistribute it and/or modify |
3ec57632 | 11 | it under the terms of the GNU General Public License as published by |
f96b4a7b NC |
12 | the Free Software Foundation; either version 3 of the License, or |
13 | (at your option) any later version. | |
252b5132 | 14 | |
f96b4a7b | 15 | This program is distributed in the hope that it will be useful, |
3ec57632 NC |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
252b5132 | 19 | |
3ec57632 | 20 | You should have received a copy of the GNU General Public License |
f96b4a7b NC |
21 | along with this program; if not, write to the Free Software |
22 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
23 | MA 02110-1301, USA. */ | |
252b5132 | 24 | |
3db64b00 | 25 | #include "bfd.h" |
3882b010 | 26 | #include "safe-ctype.h" |
e3e942e9 | 27 | #include "bfdlink.h" |
1ff6de03 | 28 | #include "ctf-api.h" |
252b5132 | 29 | #include "ld.h" |
252b5132 RH |
30 | #include "ldmisc.h" |
31 | #include "ldexp.h" | |
32 | #include "ldlang.h" | |
df2a7313 | 33 | #include <ldgram.h> |
252b5132 RH |
34 | #include "ldfile.h" |
35 | #include "ldlex.h" | |
36 | #include "ldmain.h" | |
d1b2b2dc | 37 | #include "libiberty.h" |
252b5132 RH |
38 | |
39 | /* The type of top-level parser input. | |
40 | yylex and yyparse (indirectly) both check this. */ | |
41 | input_type parser_input; | |
42 | ||
1753ed68 JB |
43 | /* Line number in the current input file. */ |
44 | unsigned int lineno; | |
252b5132 RH |
45 | |
46 | /* The string we are currently lexing, or NULL if we are reading a | |
47 | file. */ | |
48 | const char *lex_string = NULL; | |
49 | ||
50 | /* Support for flex reading from more than one input file (stream). | |
51 | `include_stack' is flex's input state for each open file; | |
52 | `file_name_stack' is the file names. `lineno_stack' is the current | |
53 | line numbers. | |
54 | ||
55 | If `include_stack_ptr' is 0, we haven't started reading anything yet. | |
56 | Otherwise, stack elements 0 through `include_stack_ptr - 1' are valid. */ | |
57 | ||
58 | #undef YY_INPUT | |
d05c651b | 59 | #define YY_INPUT(buf,result,max_size) result = yy_input (buf, max_size) |
252b5132 | 60 | |
5b806d27 | 61 | #ifndef YY_NO_UNPUT |
297ba367 | 62 | #define YY_NO_UNPUT |
5b806d27 | 63 | #endif |
297ba367 | 64 | |
252b5132 RH |
65 | #define MAX_INCLUDE_DEPTH 10 |
66 | static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH]; | |
67 | static const char *file_name_stack[MAX_INCLUDE_DEPTH]; | |
68 | static unsigned int lineno_stack[MAX_INCLUDE_DEPTH]; | |
f4a23d42 | 69 | static unsigned int sysrooted_stack[MAX_INCLUDE_DEPTH]; |
252b5132 RH |
70 | static unsigned int include_stack_ptr = 0; |
71 | static int vers_node_nesting = 0; | |
72 | ||
d05c651b | 73 | static int yy_input (char *, int); |
1579bae1 AM |
74 | static void comment (void); |
75 | static void lex_warn_invalid (char *where, char *what); | |
252b5132 | 76 | |
1579bae1 | 77 | /* STATES |
252b5132 RH |
78 | EXPRESSION definitely in an expression |
79 | SCRIPT definitely in a script | |
eeed9cc7 | 80 | INPUTLIST definitely in a script, a filename-list |
252b5132 | 81 | BOTH either EXPRESSION or SCRIPT |
6c19b93b | 82 | MRI in an MRI script |
252b5132 RH |
83 | VERS_START starting a Sun style mapfile |
84 | VERS_SCRIPT a Sun style mapfile | |
85 | VERS_NODE a node within a Sun style mapfile | |
86 | */ | |
87 | #define RTOKEN(x) { yylval.token = x; return x; } | |
88 | ||
252b5132 RH |
89 | %} |
90 | ||
91 | %a 4000 | |
92 | %o 5000 | |
93 | ||
092da96a AM |
94 | WILDCHAR [_a-zA-Z0-9\/\.\\\$\~\-\+\:\[\]\,\=\?\*\^\!] |
95 | FILENAMECHAR [_a-zA-Z0-9\/\.\\\$\~\-\+\:\[\]\,\=] | |
96 | NOCFILENAMECHAR [_a-zA-Z0-9\/\.\\\$\~\-\+\:\[\]] | |
97 | SYMBOLNAMECHAR [_a-zA-Z0-9\/\.\\\$\~] | |
98 | FILENAMECHAR1 [_a-zA-Z\/\.\\\$\~] | |
1c6aafe8 | 99 | SYMBOLNAMECHAR1 [_a-zA-Z\.\\\$] |
1579bae1 | 100 | WHITE [ \t\n\r]+ |
252b5132 | 101 | |
252b5132 | 102 | V_TAG [.$_a-zA-Z][._a-zA-Z0-9]* |
5e35cbc2 | 103 | V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)* |
252b5132 RH |
104 | |
105 | %s SCRIPT | |
eeed9cc7 | 106 | %s INPUTLIST |
252b5132 RH |
107 | %s EXPRESSION |
108 | %s BOTH | |
252b5132 RH |
109 | %s MRI |
110 | %s VERS_START | |
111 | %s VERS_SCRIPT | |
112 | %s VERS_NODE | |
113 | %% | |
114 | ||
115 | if (parser_input != input_selected) | |
116 | { | |
117 | /* The first token of the input determines the initial parser state. */ | |
118 | input_type t = parser_input; | |
119 | parser_input = input_selected; | |
120 | switch (t) | |
121 | { | |
122 | case input_script: return INPUT_SCRIPT; break; | |
123 | case input_mri_script: return INPUT_MRI_SCRIPT; break; | |
124 | case input_version_script: return INPUT_VERSION_SCRIPT; break; | |
55255dae | 125 | case input_dynamic_list: return INPUT_DYNAMIC_LIST; break; |
252b5132 RH |
126 | case input_defsym: return INPUT_DEFSYM; break; |
127 | default: abort (); | |
128 | } | |
129 | } | |
130 | ||
eeed9cc7 | 131 | <BOTH,SCRIPT,EXPRESSION,VERS_START,VERS_NODE,VERS_SCRIPT,INPUTLIST>"/*" { comment (); } |
252b5132 RH |
132 | |
133 | ||
252b5132 | 134 | <MRI,EXPRESSION>"$"([0-9A-Fa-f])+ { |
6c19b93b | 135 | yylval.integer = bfd_scan_vma (yytext + 1, 0, 16); |
1579bae1 | 136 | yylval.bigint.str = NULL; |
252b5132 RH |
137 | return INT; |
138 | } | |
139 | ||
140 | <MRI,EXPRESSION>([0-9A-Fa-f])+(H|h|X|x|B|b|O|o|D|d) { | |
141 | int ibase ; | |
1579bae1 AM |
142 | switch (yytext[yyleng - 1]) { |
143 | case 'X': | |
252b5132 RH |
144 | case 'x': |
145 | case 'H': | |
146 | case 'h': | |
147 | ibase = 16; | |
148 | break; | |
149 | case 'O': | |
150 | case 'o': | |
151 | ibase = 8; | |
152 | break; | |
153 | case 'B': | |
154 | case 'b': | |
155 | ibase = 2; | |
156 | break; | |
157 | default: | |
158 | ibase = 10; | |
159 | } | |
160 | yylval.integer = bfd_scan_vma (yytext, 0, | |
161 | ibase); | |
1579bae1 | 162 | yylval.bigint.str = NULL; |
252b5132 RH |
163 | return INT; |
164 | } | |
fb6c220e | 165 | <SCRIPT,MRI,BOTH,EXPRESSION>((("$"|0[xX])([0-9A-Fa-f])+)|(([0-9])+))(M|K|m|k)? { |
252b5132 | 166 | char *s = yytext; |
2c382fb6 | 167 | int ibase = 0; |
252b5132 RH |
168 | |
169 | if (*s == '$') | |
2c382fb6 AM |
170 | { |
171 | ++s; | |
172 | ibase = 16; | |
173 | } | |
174 | yylval.integer = bfd_scan_vma (s, 0, ibase); | |
1579bae1 AM |
175 | yylval.bigint.str = NULL; |
176 | if (yytext[yyleng - 1] == 'M' | |
177 | || yytext[yyleng - 1] == 'm') | |
2c382fb6 AM |
178 | { |
179 | yylval.integer *= 1024 * 1024; | |
180 | } | |
1579bae1 AM |
181 | else if (yytext[yyleng - 1] == 'K' |
182 | || yytext[yyleng - 1]=='k') | |
2c382fb6 AM |
183 | { |
184 | yylval.integer *= 1024; | |
185 | } | |
186 | else if (yytext[0] == '0' | |
187 | && (yytext[1] == 'x' | |
188 | || yytext[1] == 'X')) | |
189 | { | |
190 | yylval.bigint.str = xstrdup (yytext + 2); | |
191 | } | |
252b5132 RH |
192 | return INT; |
193 | } | |
194 | <BOTH,SCRIPT,EXPRESSION,MRI>"]" { RTOKEN(']');} | |
195 | <BOTH,SCRIPT,EXPRESSION,MRI>"[" { RTOKEN('[');} | |
196 | <BOTH,SCRIPT,EXPRESSION,MRI>"<<=" { RTOKEN(LSHIFTEQ);} | |
197 | <BOTH,SCRIPT,EXPRESSION,MRI>">>=" { RTOKEN(RSHIFTEQ);} | |
198 | <BOTH,SCRIPT,EXPRESSION,MRI>"||" { RTOKEN(OROR);} | |
199 | <BOTH,SCRIPT,EXPRESSION,MRI>"==" { RTOKEN(EQ);} | |
200 | <BOTH,SCRIPT,EXPRESSION,MRI>"!=" { RTOKEN(NE);} | |
201 | <BOTH,SCRIPT,EXPRESSION,MRI>">=" { RTOKEN(GE);} | |
202 | <BOTH,SCRIPT,EXPRESSION,MRI>"<=" { RTOKEN(LE);} | |
203 | <BOTH,SCRIPT,EXPRESSION,MRI>"<<" { RTOKEN(LSHIFT);} | |
204 | <BOTH,SCRIPT,EXPRESSION,MRI>">>" { RTOKEN(RSHIFT);} | |
205 | <BOTH,SCRIPT,EXPRESSION,MRI>"+=" { RTOKEN(PLUSEQ);} | |
206 | <BOTH,SCRIPT,EXPRESSION,MRI>"-=" { RTOKEN(MINUSEQ);} | |
207 | <BOTH,SCRIPT,EXPRESSION,MRI>"*=" { RTOKEN(MULTEQ);} | |
208 | <BOTH,SCRIPT,EXPRESSION,MRI>"/=" { RTOKEN(DIVEQ);} | |
209 | <BOTH,SCRIPT,EXPRESSION,MRI>"&=" { RTOKEN(ANDEQ);} | |
210 | <BOTH,SCRIPT,EXPRESSION,MRI>"|=" { RTOKEN(OREQ);} | |
211 | <BOTH,SCRIPT,EXPRESSION,MRI>"&&" { RTOKEN(ANDAND);} | |
212 | <BOTH,SCRIPT,EXPRESSION,MRI>">" { RTOKEN('>');} | |
eeed9cc7 | 213 | <BOTH,SCRIPT,EXPRESSION,MRI,INPUTLIST>"," { RTOKEN(',');} |
252b5132 RH |
214 | <BOTH,SCRIPT,EXPRESSION,MRI>"&" { RTOKEN('&');} |
215 | <BOTH,SCRIPT,EXPRESSION,MRI>"|" { RTOKEN('|');} | |
216 | <BOTH,SCRIPT,EXPRESSION,MRI>"~" { RTOKEN('~');} | |
217 | <BOTH,SCRIPT,EXPRESSION,MRI>"!" { RTOKEN('!');} | |
218 | <BOTH,SCRIPT,EXPRESSION,MRI>"?" { RTOKEN('?');} | |
219 | <BOTH,SCRIPT,EXPRESSION,MRI>"*" { RTOKEN('*');} | |
220 | <BOTH,SCRIPT,EXPRESSION,MRI>"+" { RTOKEN('+');} | |
221 | <BOTH,SCRIPT,EXPRESSION,MRI>"-" { RTOKEN('-');} | |
222 | <BOTH,SCRIPT,EXPRESSION,MRI>"/" { RTOKEN('/');} | |
223 | <BOTH,SCRIPT,EXPRESSION,MRI>"%" { RTOKEN('%');} | |
224 | <BOTH,SCRIPT,EXPRESSION,MRI>"<" { RTOKEN('<');} | |
6c19b93b | 225 | <BOTH,SCRIPT,EXPRESSION,MRI>"=" { RTOKEN('=');} |
3ec57632 NC |
226 | <BOTH,SCRIPT,EXPRESSION,MRI>"}" { RTOKEN('}') ; } |
227 | <BOTH,SCRIPT,EXPRESSION,MRI>"{" { RTOKEN('{'); } | |
eeed9cc7 HPN |
228 | <BOTH,SCRIPT,EXPRESSION,MRI,INPUTLIST>")" { RTOKEN(')');} |
229 | <BOTH,SCRIPT,EXPRESSION,MRI,INPUTLIST>"(" { RTOKEN('(');} | |
252b5132 RH |
230 | <BOTH,SCRIPT,EXPRESSION,MRI>":" { RTOKEN(':'); } |
231 | <BOTH,SCRIPT,EXPRESSION,MRI>";" { RTOKEN(';');} | |
3ec57632 | 232 | <BOTH,SCRIPT>"MEMORY" { RTOKEN(MEMORY);} |
4a93e180 | 233 | <BOTH,SCRIPT>"REGION_ALIAS" { RTOKEN(REGION_ALIAS);} |
01554a74 | 234 | <BOTH,SCRIPT>"LD_FEATURE" { RTOKEN(LD_FEATURE);} |
3ec57632 NC |
235 | <BOTH,SCRIPT,EXPRESSION>"ORIGIN" { RTOKEN(ORIGIN);} |
236 | <BOTH,SCRIPT>"VERSION" { RTOKEN(VERSIONK);} | |
252b5132 RH |
237 | <EXPRESSION,BOTH,SCRIPT>"BLOCK" { RTOKEN(BLOCK);} |
238 | <EXPRESSION,BOTH,SCRIPT>"BIND" { RTOKEN(BIND);} | |
3ec57632 NC |
239 | <BOTH,SCRIPT,EXPRESSION>"LENGTH" { RTOKEN(LENGTH);} |
240 | <EXPRESSION,BOTH,SCRIPT>"ALIGN" { RTOKEN(ALIGN_K);} | |
2d20f7bf | 241 | <EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_ALIGN" { RTOKEN(DATA_SEGMENT_ALIGN);} |
8c37241b | 242 | <EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_RELRO_END" { RTOKEN(DATA_SEGMENT_RELRO_END);} |
2d20f7bf | 243 | <EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_END" { RTOKEN(DATA_SEGMENT_END);} |
3ec57632 NC |
244 | <EXPRESSION,BOTH,SCRIPT>"ADDR" { RTOKEN(ADDR);} |
245 | <EXPRESSION,BOTH,SCRIPT>"LOADADDR" { RTOKEN(LOADADDR);} | |
362c1d1a | 246 | <EXPRESSION,BOTH,SCRIPT>"ALIGNOF" { RTOKEN(ALIGNOF); } |
252b5132 RH |
247 | <EXPRESSION,BOTH>"MAX" { RTOKEN(MAX_K); } |
248 | <EXPRESSION,BOTH>"MIN" { RTOKEN(MIN_K); } | |
2e53f7d6 | 249 | <EXPRESSION,BOTH>"LOG2CEIL" { RTOKEN(LOG2CEIL); } |
8545d1a9 | 250 | <EXPRESSION,BOTH,SCRIPT>"ASSERT" { RTOKEN(ASSERT_K); } |
252b5132 RH |
251 | <BOTH,SCRIPT>"ENTRY" { RTOKEN(ENTRY);} |
252 | <BOTH,SCRIPT,MRI>"EXTERN" { RTOKEN(EXTERN);} | |
3ec57632 | 253 | <EXPRESSION,BOTH,SCRIPT>"NEXT" { RTOKEN(NEXT);} |
252b5132 RH |
254 | <EXPRESSION,BOTH,SCRIPT>"sizeof_headers" { RTOKEN(SIZEOF_HEADERS);} |
255 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF_HEADERS" { RTOKEN(SIZEOF_HEADERS);} | |
ba916c8a | 256 | <EXPRESSION,BOTH,SCRIPT>"SEGMENT_START" { RTOKEN(SEGMENT_START);} |
252b5132 | 257 | <BOTH,SCRIPT>"MAP" { RTOKEN(MAP);} |
3ec57632 NC |
258 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF" { RTOKEN(SIZEOF);} |
259 | <BOTH,SCRIPT>"TARGET" { RTOKEN(TARGET_K);} | |
252b5132 | 260 | <BOTH,SCRIPT>"SEARCH_DIR" { RTOKEN(SEARCH_DIR);} |
3ec57632 | 261 | <BOTH,SCRIPT>"OUTPUT" { RTOKEN(OUTPUT);} |
252b5132 RH |
262 | <BOTH,SCRIPT>"INPUT" { RTOKEN(INPUT);} |
263 | <EXPRESSION,BOTH,SCRIPT>"GROUP" { RTOKEN(GROUP);} | |
eeed9cc7 | 264 | <EXPRESSION,BOTH,SCRIPT,INPUTLIST>"AS_NEEDED" { RTOKEN(AS_NEEDED);} |
3ec57632 | 265 | <EXPRESSION,BOTH,SCRIPT>"DEFINED" { RTOKEN(DEFINED);} |
252b5132 RH |
266 | <BOTH,SCRIPT>"CREATE_OBJECT_SYMBOLS" { RTOKEN(CREATE_OBJECT_SYMBOLS);} |
267 | <BOTH,SCRIPT>"CONSTRUCTORS" { RTOKEN( CONSTRUCTORS);} | |
3ec57632 | 268 | <BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);} |
7bdf4127 | 269 | <BOTH,SCRIPT>"FORCE_GROUP_ALLOCATION" { RTOKEN(FORCE_GROUP_ALLOCATION);} |
4818e05f | 270 | <BOTH,SCRIPT>"INHIBIT_COMMON_ALLOCATION" { RTOKEN(INHIBIT_COMMON_ALLOCATION);} |
3ec57632 | 271 | <BOTH,SCRIPT>"SECTIONS" { RTOKEN(SECTIONS);} |
53d25da6 AM |
272 | <BOTH,SCRIPT>"INSERT" { RTOKEN(INSERT_K);} |
273 | <BOTH,SCRIPT>"AFTER" { RTOKEN(AFTER);} | |
274 | <BOTH,SCRIPT>"BEFORE" { RTOKEN(BEFORE);} | |
252b5132 | 275 | <BOTH,SCRIPT>"FILL" { RTOKEN(FILL);} |
3ec57632 | 276 | <BOTH,SCRIPT>"STARTUP" { RTOKEN(STARTUP);} |
252b5132 RH |
277 | <BOTH,SCRIPT>"OUTPUT_FORMAT" { RTOKEN(OUTPUT_FORMAT);} |
278 | <BOTH,SCRIPT>"OUTPUT_ARCH" { RTOKEN( OUTPUT_ARCH);} | |
279 | <BOTH,SCRIPT>"HLL" { RTOKEN(HLL);} | |
3ec57632 | 280 | <BOTH,SCRIPT>"SYSLIB" { RTOKEN(SYSLIB);} |
252b5132 RH |
281 | <BOTH,SCRIPT>"FLOAT" { RTOKEN(FLOAT);} |
282 | <BOTH,SCRIPT>"QUAD" { RTOKEN( QUAD);} | |
283 | <BOTH,SCRIPT>"SQUAD" { RTOKEN( SQUAD);} | |
284 | <BOTH,SCRIPT>"LONG" { RTOKEN( LONG);} | |
285 | <BOTH,SCRIPT>"SHORT" { RTOKEN( SHORT);} | |
286 | <BOTH,SCRIPT>"BYTE" { RTOKEN( BYTE);} | |
3ec57632 | 287 | <BOTH,SCRIPT>"NOFLOAT" { RTOKEN(NOFLOAT);} |
252b5132 | 288 | <EXPRESSION,BOTH,SCRIPT>"NOCROSSREFS" { RTOKEN(NOCROSSREFS);} |
cdf96953 | 289 | <EXPRESSION,BOTH,SCRIPT>"NOCROSSREFS_TO" { RTOKEN(NOCROSSREFS_TO);} |
252b5132 | 290 | <BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY); } |
bcaa7b3e L |
291 | <BOTH,SCRIPT>"SORT_BY_NAME" { RTOKEN(SORT_BY_NAME); } |
292 | <BOTH,SCRIPT>"SORT_BY_ALIGNMENT" { RTOKEN(SORT_BY_ALIGNMENT); } | |
293 | <BOTH,SCRIPT>"SORT" { RTOKEN(SORT_BY_NAME); } | |
02ecc8e9 | 294 | <BOTH,SCRIPT>"SORT_BY_INIT_PRIORITY" { RTOKEN(SORT_BY_INIT_PRIORITY); } |
eda680f8 | 295 | <BOTH,SCRIPT>"SORT_NONE" { RTOKEN(SORT_NONE); } |
252b5132 RH |
296 | <EXPRESSION,BOTH,SCRIPT>"NOLOAD" { RTOKEN(NOLOAD);} |
297 | <EXPRESSION,BOTH,SCRIPT>"DSECT" { RTOKEN(DSECT);} | |
298 | <EXPRESSION,BOTH,SCRIPT>"COPY" { RTOKEN(COPY);} | |
299 | <EXPRESSION,BOTH,SCRIPT>"INFO" { RTOKEN(INFO);} | |
300 | <EXPRESSION,BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY);} | |
0841712e JJ |
301 | <EXPRESSION,BOTH,SCRIPT>"ONLY_IF_RO" { RTOKEN(ONLY_IF_RO); } |
302 | <EXPRESSION,BOTH,SCRIPT>"ONLY_IF_RW" { RTOKEN(ONLY_IF_RW); } | |
0cf7d72c | 303 | <EXPRESSION,BOTH,SCRIPT>"SPECIAL" { RTOKEN(SPECIAL); } |
252b5132 RH |
304 | <BOTH,SCRIPT>"o" { RTOKEN(ORIGIN);} |
305 | <BOTH,SCRIPT>"org" { RTOKEN(ORIGIN);} | |
306 | <BOTH,SCRIPT>"l" { RTOKEN( LENGTH);} | |
307 | <BOTH,SCRIPT>"len" { RTOKEN( LENGTH);} | |
ae17ab41 | 308 | <EXPRESSION,BOTH,SCRIPT>"INPUT_SECTION_FLAGS" { RTOKEN(INPUT_SECTION_FLAGS); } |
4006703d | 309 | <EXPRESSION,BOTH,SCRIPT>"INCLUDE" { RTOKEN(INCLUDE);} |
252b5132 | 310 | <BOTH,SCRIPT>"PHDRS" { RTOKEN (PHDRS); } |
3ec57632 | 311 | <EXPRESSION,BOTH,SCRIPT>"AT" { RTOKEN(AT);} |
1eec346e | 312 | <EXPRESSION,BOTH,SCRIPT>"ALIGN_WITH_INPUT" { RTOKEN(ALIGN_WITH_INPUT);} |
3ec57632 | 313 | <EXPRESSION,BOTH,SCRIPT>"SUBALIGN" { RTOKEN(SUBALIGN);} |
eb8476a6 | 314 | <EXPRESSION,BOTH,SCRIPT>"HIDDEN" { RTOKEN(HIDDEN); } |
3ec57632 | 315 | <EXPRESSION,BOTH,SCRIPT>"PROVIDE" { RTOKEN(PROVIDE); } |
7af8e998 | 316 | <EXPRESSION,BOTH,SCRIPT>"PROVIDE_HIDDEN" { RTOKEN(PROVIDE_HIDDEN); } |
252b5132 | 317 | <EXPRESSION,BOTH,SCRIPT>"KEEP" { RTOKEN(KEEP); } |
3ec57632 | 318 | <EXPRESSION,BOTH,SCRIPT>"EXCLUDE_FILE" { RTOKEN(EXCLUDE_FILE); } |
24718e3b | 319 | <EXPRESSION,BOTH,SCRIPT>"CONSTANT" { RTOKEN(CONSTANT);} |
252b5132 | 320 | <MRI>"#".*\n? { ++ lineno; } |
6c19b93b | 321 | <MRI>"\n" { ++ lineno; RTOKEN(NEWLINE); } |
252b5132 RH |
322 | <MRI>"*".* { /* Mri comment line */ } |
323 | <MRI>";".* { /* Mri comment line */ } | |
6c19b93b | 324 | <MRI>"END" { RTOKEN(ENDWORD); } |
3ec57632 NC |
325 | <MRI>"ALIGNMOD" { RTOKEN(ALIGNMOD);} |
326 | <MRI>"ALIGN" { RTOKEN(ALIGN_K);} | |
6c19b93b AM |
327 | <MRI>"CHIP" { RTOKEN(CHIP); } |
328 | <MRI>"BASE" { RTOKEN(BASE); } | |
329 | <MRI>"ALIAS" { RTOKEN(ALIAS); } | |
330 | <MRI>"TRUNCATE" { RTOKEN(TRUNCATE); } | |
331 | <MRI>"LOAD" { RTOKEN(LOAD); } | |
332 | <MRI>"PUBLIC" { RTOKEN(PUBLIC); } | |
333 | <MRI>"ORDER" { RTOKEN(ORDER); } | |
334 | <MRI>"NAME" { RTOKEN(NAMEWORD); } | |
335 | <MRI>"FORMAT" { RTOKEN(FORMAT); } | |
336 | <MRI>"CASE" { RTOKEN(CASE); } | |
337 | <MRI>"START" { RTOKEN(START); } | |
338 | <MRI>"LIST".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } | |
252b5132 RH |
339 | <MRI>"SECT" { RTOKEN(SECT); } |
340 | <EXPRESSION,BOTH,SCRIPT,MRI>"ABSOLUTE" { RTOKEN(ABSOLUTE); } | |
6c19b93b | 341 | <MRI>"end" { RTOKEN(ENDWORD); } |
3ec57632 NC |
342 | <MRI>"alignmod" { RTOKEN(ALIGNMOD);} |
343 | <MRI>"align" { RTOKEN(ALIGN_K);} | |
6c19b93b AM |
344 | <MRI>"chip" { RTOKEN(CHIP); } |
345 | <MRI>"base" { RTOKEN(BASE); } | |
346 | <MRI>"alias" { RTOKEN(ALIAS); } | |
347 | <MRI>"truncate" { RTOKEN(TRUNCATE); } | |
348 | <MRI>"load" { RTOKEN(LOAD); } | |
349 | <MRI>"public" { RTOKEN(PUBLIC); } | |
350 | <MRI>"order" { RTOKEN(ORDER); } | |
351 | <MRI>"name" { RTOKEN(NAMEWORD); } | |
352 | <MRI>"format" { RTOKEN(FORMAT); } | |
353 | <MRI>"case" { RTOKEN(CASE); } | |
354 | <MRI>"extern" { RTOKEN(EXTERN); } | |
355 | <MRI>"start" { RTOKEN(START); } | |
356 | <MRI>"list".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } | |
252b5132 RH |
357 | <MRI>"sect" { RTOKEN(SECT); } |
358 | <EXPRESSION,BOTH,SCRIPT,MRI>"absolute" { RTOKEN(ABSOLUTE); } | |
359 | ||
360 | <MRI>{FILENAMECHAR1}{NOCFILENAMECHAR}* { | |
361 | /* Filename without commas, needed to parse mri stuff */ | |
092da96a | 362 | yylval.name = xstrdup (yytext); |
252b5132 RH |
363 | return NAME; |
364 | } | |
365 | ||
366 | ||
eeed9cc7 | 367 | <BOTH,INPUTLIST>{FILENAMECHAR1}{FILENAMECHAR}* { |
092da96a | 368 | yylval.name = xstrdup (yytext); |
252b5132 RH |
369 | return NAME; |
370 | } | |
eeed9cc7 | 371 | <INPUTLIST>"="{FILENAMECHAR1}{FILENAMECHAR}* { |
3aa2d05a | 372 | /* Filename to be prefixed by --sysroot or when non-sysrooted, nothing. */ |
092da96a | 373 | yylval.name = xstrdup (yytext); |
eeed9cc7 HPN |
374 | return NAME; |
375 | } | |
376 | <BOTH,INPUTLIST>"-l"{FILENAMECHAR}+ { | |
8545d1a9 NS |
377 | yylval.name = xstrdup (yytext + 2); |
378 | return LNAME; | |
379 | } | |
40726f16 | 380 | <EXPRESSION>{SYMBOLNAMECHAR1}{SYMBOLNAMECHAR}* { |
092da96a | 381 | yylval.name = xstrdup (yytext); |
8545d1a9 NS |
382 | return NAME; |
383 | } | |
1c6aafe8 AM |
384 | <EXPRESSION>"/DISCARD/" { |
385 | yylval.name = xstrdup (yytext); | |
386 | return NAME; | |
387 | } | |
8545d1a9 | 388 | <EXPRESSION>"-l"{NOCFILENAMECHAR}+ { |
d1b2b2dc | 389 | yylval.name = xstrdup (yytext + 2); |
252b5132 RH |
390 | return LNAME; |
391 | } | |
392 | <SCRIPT>{WILDCHAR}* { | |
393 | /* Annoyingly, this pattern can match comments, and we have | |
394 | longest match issues to consider. So if the first two | |
395 | characters are a comment opening, put the input back and | |
396 | try again. */ | |
397 | if (yytext[0] == '/' && yytext[1] == '*') | |
398 | { | |
1579bae1 | 399 | yyless (2); |
252b5132 RH |
400 | comment (); |
401 | } | |
402 | else | |
403 | { | |
1579bae1 | 404 | yylval.name = xstrdup (yytext); |
252b5132 RH |
405 | return NAME; |
406 | } | |
407 | } | |
408 | ||
eeed9cc7 | 409 | <EXPRESSION,BOTH,SCRIPT,VERS_NODE,INPUTLIST>"\""[^\"]*"\"" { |
252b5132 | 410 | /* No matter the state, quotes |
406bd128 NC |
411 | give what's inside. */ |
412 | bfd_size_type len; | |
1579bae1 | 413 | yylval.name = xstrdup (yytext + 1); |
406bd128 NC |
414 | /* PR ld/20906. A corrupt input file |
415 | can contain bogus strings. */ | |
416 | len = strlen (yylval.name); | |
2688aab2 | 417 | if (len > (bfd_size_type) yyleng - 2) |
406bd128 NC |
418 | len = yyleng - 2; |
419 | yylval.name[len] = 0; | |
252b5132 RH |
420 | return NAME; |
421 | } | |
422 | <BOTH,SCRIPT,EXPRESSION>"\n" { lineno++;} | |
423 | <MRI,BOTH,SCRIPT,EXPRESSION>[ \t\r]+ { } | |
424 | ||
425 | <VERS_NODE,VERS_SCRIPT>[:,;] { return *yytext; } | |
426 | ||
427 | <VERS_NODE>global { RTOKEN(GLOBAL); } | |
428 | ||
429 | <VERS_NODE>local { RTOKEN(LOCAL); } | |
430 | ||
431 | <VERS_NODE>extern { RTOKEN(EXTERN); } | |
432 | ||
d1b2b2dc | 433 | <VERS_NODE>{V_IDENTIFIER} { yylval.name = xstrdup (yytext); |
252b5132 RH |
434 | return VERS_IDENTIFIER; } |
435 | ||
d1b2b2dc | 436 | <VERS_SCRIPT>{V_TAG} { yylval.name = xstrdup (yytext); |
252b5132 RH |
437 | return VERS_TAG; } |
438 | ||
439 | <VERS_START>"{" { BEGIN(VERS_SCRIPT); return *yytext; } | |
440 | ||
1579bae1 | 441 | <VERS_SCRIPT>"{" { BEGIN(VERS_NODE); |
252b5132 RH |
442 | vers_node_nesting = 0; |
443 | return *yytext; | |
444 | } | |
445 | <VERS_SCRIPT>"}" { return *yytext; } | |
446 | <VERS_NODE>"{" { vers_node_nesting++; return *yytext; } | |
447 | <VERS_NODE>"}" { if (--vers_node_nesting < 0) | |
448 | BEGIN(VERS_SCRIPT); | |
449 | return *yytext; | |
450 | } | |
451 | ||
a13eab06 | 452 | <VERS_START,VERS_NODE,VERS_SCRIPT,INPUTLIST>[\n] { lineno++; } |
252b5132 RH |
453 | |
454 | <VERS_START,VERS_NODE,VERS_SCRIPT>#.* { /* Eat up comments */ } | |
455 | ||
6c19b93b | 456 | <VERS_START,VERS_NODE,VERS_SCRIPT,INPUTLIST>[ \t\r]+ { /* Eat up whitespace */ } |
252b5132 RH |
457 | |
458 | <<EOF>> { | |
459 | include_stack_ptr--; | |
1579bae1 | 460 | if (include_stack_ptr == 0) |
1753ed68 JB |
461 | { |
462 | lineno = 0; | |
463 | yyterminate (); | |
464 | } | |
1579bae1 | 465 | else |
1579bae1 | 466 | yy_switch_to_buffer (include_stack[include_stack_ptr]); |
b47c4208 | 467 | |
b47c4208 | 468 | lineno = lineno_stack[include_stack_ptr]; |
f4a23d42 | 469 | input_flags.sysrooted = sysrooted_stack[include_stack_ptr]; |
252b5132 RH |
470 | |
471 | return END; | |
472 | } | |
473 | ||
1579bae1 | 474 | <SCRIPT,MRI,VERS_START,VERS_SCRIPT,VERS_NODE>. lex_warn_invalid (" in script", yytext); |
fb6c220e | 475 | <EXPRESSION,BOTH>. lex_warn_invalid (" in expression", yytext); |
1579bae1 | 476 | |
252b5132 RH |
477 | %% |
478 | \f | |
479 | ||
480 | /* Switch flex to reading script file NAME, open on FILE, | |
481 | saving the current input info on the include stack. */ | |
482 | ||
483 | void | |
f4a23d42 | 484 | lex_push_file (FILE *file, const char *name, unsigned int sysrooted) |
252b5132 | 485 | { |
1579bae1 | 486 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
252b5132 | 487 | { |
d003af55 | 488 | einfo (_("%F:includes nested too deeply\n")); |
252b5132 RH |
489 | } |
490 | file_name_stack[include_stack_ptr] = name; | |
b47c4208 | 491 | lineno_stack[include_stack_ptr] = lineno; |
f4a23d42 | 492 | sysrooted_stack[include_stack_ptr] = input_flags.sysrooted; |
252b5132 RH |
493 | include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; |
494 | ||
495 | include_stack_ptr++; | |
b47c4208 | 496 | lineno = 1; |
f4a23d42 | 497 | input_flags.sysrooted = sysrooted; |
252b5132 | 498 | yyin = file; |
1579bae1 | 499 | yy_switch_to_buffer (yy_create_buffer (yyin, YY_BUF_SIZE)); |
252b5132 RH |
500 | } |
501 | ||
502 | /* Return a newly created flex input buffer containing STRING, | |
503 | which is SIZE bytes long. */ | |
504 | ||
1579bae1 AM |
505 | static YY_BUFFER_STATE |
506 | yy_create_string_buffer (const char *string, size_t size) | |
252b5132 RH |
507 | { |
508 | YY_BUFFER_STATE b; | |
509 | ||
ee44c2ac | 510 | b = xmalloc (sizeof (struct yy_buffer_state)); |
252b5132 RH |
511 | b->yy_input_file = 0; |
512 | b->yy_buf_size = size; | |
513 | ||
514 | /* yy_ch_buf has to be 2 characters longer than the size given because | |
515 | we need to put in 2 end-of-buffer characters. */ | |
ee44c2ac | 516 | b->yy_ch_buf = xmalloc ((size_t) b->yy_buf_size + 3); |
252b5132 RH |
517 | |
518 | b->yy_ch_buf[0] = '\n'; | |
519 | strcpy (b->yy_ch_buf+1, string); | |
520 | b->yy_ch_buf[size+1] = YY_END_OF_BUFFER_CHAR; | |
521 | b->yy_ch_buf[size+2] = YY_END_OF_BUFFER_CHAR; | |
522 | b->yy_n_chars = size+1; | |
523 | b->yy_buf_pos = &b->yy_ch_buf[1]; | |
524 | ||
dca7760f AM |
525 | b->yy_is_our_buffer = 1; |
526 | b->yy_is_interactive = 0; | |
527 | b->yy_at_bol = 1; | |
528 | b->yy_fill_buffer = 0; | |
529 | ||
252b5132 RH |
530 | /* flex 2.4.7 changed the interface. FIXME: We should not be using |
531 | a flex internal interface in the first place! */ | |
532 | #ifdef YY_BUFFER_NEW | |
533 | b->yy_buffer_status = YY_BUFFER_NEW; | |
534 | #else | |
535 | b->yy_eof_status = EOF_NOT_SEEN; | |
536 | #endif | |
537 | ||
538 | return b; | |
539 | } | |
540 | ||
541 | /* Switch flex to reading from STRING, saving the current input info | |
542 | on the include stack. */ | |
543 | ||
544 | void | |
dab69f68 | 545 | lex_redirect (const char *string, const char *fake_filename, unsigned int count) |
252b5132 RH |
546 | { |
547 | YY_BUFFER_STATE tmp; | |
548 | ||
549 | yy_init = 0; | |
1579bae1 | 550 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
252b5132 | 551 | { |
d003af55 | 552 | einfo (_("%F: macros nested too deeply\n")); |
252b5132 | 553 | } |
dab69f68 | 554 | file_name_stack[include_stack_ptr] = fake_filename; |
b47c4208 | 555 | lineno_stack[include_stack_ptr] = lineno; |
252b5132 RH |
556 | include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; |
557 | include_stack_ptr++; | |
dab69f68 | 558 | lineno = count; |
252b5132 RH |
559 | tmp = yy_create_string_buffer (string, strlen (string)); |
560 | yy_switch_to_buffer (tmp); | |
252b5132 RH |
561 | } |
562 | \f | |
563 | /* Functions to switch to a different flex start condition, | |
564 | saving the current start condition on `state_stack'. */ | |
565 | ||
566 | static int state_stack[MAX_INCLUDE_DEPTH * 2]; | |
567 | static int *state_stack_p = state_stack; | |
568 | ||
569 | void | |
1579bae1 | 570 | ldlex_script (void) |
252b5132 RH |
571 | { |
572 | *(state_stack_p)++ = yy_start; | |
573 | BEGIN (SCRIPT); | |
574 | } | |
575 | ||
eeed9cc7 HPN |
576 | void |
577 | ldlex_inputlist (void) | |
578 | { | |
579 | *(state_stack_p)++ = yy_start; | |
580 | BEGIN (INPUTLIST); | |
581 | } | |
582 | ||
252b5132 | 583 | void |
1579bae1 | 584 | ldlex_mri_script (void) |
252b5132 RH |
585 | { |
586 | *(state_stack_p)++ = yy_start; | |
587 | BEGIN (MRI); | |
588 | } | |
589 | ||
590 | void | |
1579bae1 | 591 | ldlex_version_script (void) |
252b5132 RH |
592 | { |
593 | *(state_stack_p)++ = yy_start; | |
594 | BEGIN (VERS_START); | |
595 | } | |
596 | ||
597 | void | |
1579bae1 | 598 | ldlex_version_file (void) |
252b5132 RH |
599 | { |
600 | *(state_stack_p)++ = yy_start; | |
601 | BEGIN (VERS_SCRIPT); | |
602 | } | |
603 | ||
252b5132 | 604 | void |
1579bae1 | 605 | ldlex_expression (void) |
252b5132 RH |
606 | { |
607 | *(state_stack_p)++ = yy_start; | |
608 | BEGIN (EXPRESSION); | |
609 | } | |
610 | ||
611 | void | |
1579bae1 | 612 | ldlex_both (void) |
252b5132 RH |
613 | { |
614 | *(state_stack_p)++ = yy_start; | |
615 | BEGIN (BOTH); | |
616 | } | |
617 | ||
618 | void | |
1579bae1 | 619 | ldlex_popstate (void) |
252b5132 RH |
620 | { |
621 | yy_start = *(--state_stack_p); | |
622 | } | |
dab69f68 | 623 | |
40726f16 AM |
624 | /* In cases where the parser needs to look ahead and the context |
625 | changes from expression to script or vice-versa, throw away a | |
626 | NAME. What constitutes a NAME depends on context. */ | |
627 | ||
628 | void | |
629 | ldlex_backup (void) | |
630 | { | |
631 | yyless (0); | |
632 | } | |
633 | ||
dab69f68 AM |
634 | /* Return the current file name, or the previous file if no file is |
635 | current. */ | |
636 | ||
637 | const char* | |
638 | ldlex_filename (void) | |
639 | { | |
640 | return file_name_stack[include_stack_ptr - (include_stack_ptr != 0)]; | |
641 | } | |
252b5132 RH |
642 | \f |
643 | ||
d05c651b | 644 | /* Place up to MAX_SIZE characters in BUF and return |
252b5132 RH |
645 | either the number of characters read, or 0 to indicate EOF. */ |
646 | ||
d05c651b AS |
647 | static int |
648 | yy_input (char *buf, int max_size) | |
252b5132 | 649 | { |
d05c651b | 650 | int result = 0; |
731e28d8 | 651 | if (YY_CURRENT_BUFFER->yy_input_file) |
252b5132 RH |
652 | { |
653 | if (yyin) | |
654 | { | |
d05c651b AS |
655 | result = fread (buf, 1, max_size, yyin); |
656 | if (result < max_size && ferror (yyin)) | |
d003af55 | 657 | einfo (_("%F%P: read in flex scanner failed\n")); |
252b5132 RH |
658 | } |
659 | } | |
d05c651b | 660 | return result; |
252b5132 RH |
661 | } |
662 | ||
663 | /* Eat the rest of a C-style comment. */ | |
664 | ||
665 | static void | |
1579bae1 | 666 | comment (void) |
252b5132 RH |
667 | { |
668 | int c; | |
669 | ||
670 | while (1) | |
252b5132 | 671 | { |
252b5132 | 672 | c = input(); |
9ab3a744 | 673 | while (c != '*' && c != 0) |
d003af55 AM |
674 | { |
675 | if (c == '\n') | |
676 | lineno++; | |
677 | c = input(); | |
678 | } | |
252b5132 | 679 | |
d003af55 AM |
680 | if (c == '*') |
681 | { | |
682 | c = input(); | |
683 | while (c == '*') | |
684 | c = input(); | |
685 | if (c == '/') | |
686 | break; /* found the end */ | |
687 | } | |
252b5132 | 688 | |
d003af55 AM |
689 | if (c == '\n') |
690 | lineno++; | |
252b5132 | 691 | |
9ab3a744 | 692 | if (c == 0) |
d003af55 AM |
693 | { |
694 | einfo (_("%F%P: EOF in comment\n")); | |
695 | break; | |
696 | } | |
252b5132 | 697 | } |
252b5132 RH |
698 | } |
699 | ||
700 | /* Warn the user about a garbage character WHAT in the input | |
701 | in context WHERE. */ | |
702 | ||
703 | static void | |
1579bae1 | 704 | lex_warn_invalid (char *where, char *what) |
252b5132 RH |
705 | { |
706 | char buf[5]; | |
707 | ||
708 | /* If we have found an input file whose format we do not recognize, | |
709 | and we are therefore treating it as a linker script, and we find | |
710 | an invalid character, then most likely this is a real object file | |
711 | of some different format. Treat it as such. */ | |
712 | if (ldfile_assumed_script) | |
713 | { | |
714 | bfd_set_error (bfd_error_file_not_recognized); | |
d003af55 | 715 | einfo (_("%F%s: file not recognized: %E\n"), ldlex_filename ()); |
252b5132 RH |
716 | } |
717 | ||
3882b010 | 718 | if (! ISPRINT (*what)) |
252b5132 | 719 | { |
c3a7b120 | 720 | sprintf (buf, "\\%03o", *(unsigned char *) what); |
252b5132 RH |
721 | what = buf; |
722 | } | |
723 | ||
c1c8c1ef | 724 | einfo (_("%P:%pS: ignoring invalid character `%s'%s\n"), NULL, what, where); |
252b5132 | 725 | } |