Commit | Line | Data |
---|---|---|
b0556316 | 1 | %option nounput noyywrap |
cfdf38f2 | 2 | |
252b5132 RH |
3 | %{ |
4 | ||
82704155 | 5 | /* Copyright (C) 1991-2019 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" |
252b5132 | 28 | #include "ld.h" |
252b5132 RH |
29 | #include "ldmisc.h" |
30 | #include "ldexp.h" | |
31 | #include "ldlang.h" | |
df2a7313 | 32 | #include <ldgram.h> |
252b5132 RH |
33 | #include "ldfile.h" |
34 | #include "ldlex.h" | |
35 | #include "ldmain.h" | |
d1b2b2dc | 36 | #include "libiberty.h" |
252b5132 RH |
37 | |
38 | /* The type of top-level parser input. | |
39 | yylex and yyparse (indirectly) both check this. */ | |
40 | input_type parser_input; | |
41 | ||
1753ed68 JB |
42 | /* Line number in the current input file. */ |
43 | unsigned int lineno; | |
252b5132 RH |
44 | |
45 | /* The string we are currently lexing, or NULL if we are reading a | |
46 | file. */ | |
47 | const char *lex_string = NULL; | |
48 | ||
49 | /* Support for flex reading from more than one input file (stream). | |
50 | `include_stack' is flex's input state for each open file; | |
51 | `file_name_stack' is the file names. `lineno_stack' is the current | |
52 | line numbers. | |
53 | ||
54 | If `include_stack_ptr' is 0, we haven't started reading anything yet. | |
55 | Otherwise, stack elements 0 through `include_stack_ptr - 1' are valid. */ | |
56 | ||
57 | #undef YY_INPUT | |
d05c651b | 58 | #define YY_INPUT(buf,result,max_size) result = yy_input (buf, max_size) |
252b5132 | 59 | |
5b806d27 | 60 | #ifndef YY_NO_UNPUT |
297ba367 | 61 | #define YY_NO_UNPUT |
5b806d27 | 62 | #endif |
297ba367 | 63 | |
252b5132 RH |
64 | #define MAX_INCLUDE_DEPTH 10 |
65 | static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH]; | |
66 | static const char *file_name_stack[MAX_INCLUDE_DEPTH]; | |
67 | static unsigned int lineno_stack[MAX_INCLUDE_DEPTH]; | |
f4a23d42 | 68 | static unsigned int sysrooted_stack[MAX_INCLUDE_DEPTH]; |
252b5132 RH |
69 | static unsigned int include_stack_ptr = 0; |
70 | static int vers_node_nesting = 0; | |
71 | ||
d05c651b | 72 | static int yy_input (char *, int); |
1579bae1 AM |
73 | static void comment (void); |
74 | static void lex_warn_invalid (char *where, char *what); | |
252b5132 | 75 | |
1579bae1 | 76 | /* STATES |
252b5132 RH |
77 | EXPRESSION definitely in an expression |
78 | SCRIPT definitely in a script | |
eeed9cc7 | 79 | INPUTLIST definitely in a script, a filename-list |
252b5132 RH |
80 | BOTH either EXPRESSION or SCRIPT |
81 | DEFSYMEXP in an argument to -defsym | |
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 | |
109 | %s DEFSYMEXP | |
110 | %s MRI | |
111 | %s VERS_START | |
112 | %s VERS_SCRIPT | |
113 | %s VERS_NODE | |
114 | %% | |
115 | ||
116 | if (parser_input != input_selected) | |
117 | { | |
118 | /* The first token of the input determines the initial parser state. */ | |
119 | input_type t = parser_input; | |
120 | parser_input = input_selected; | |
121 | switch (t) | |
122 | { | |
123 | case input_script: return INPUT_SCRIPT; break; | |
124 | case input_mri_script: return INPUT_MRI_SCRIPT; break; | |
125 | case input_version_script: return INPUT_VERSION_SCRIPT; break; | |
55255dae | 126 | case input_dynamic_list: return INPUT_DYNAMIC_LIST; break; |
252b5132 RH |
127 | case input_defsym: return INPUT_DEFSYM; break; |
128 | default: abort (); | |
129 | } | |
130 | } | |
131 | ||
eeed9cc7 | 132 | <BOTH,SCRIPT,EXPRESSION,VERS_START,VERS_NODE,VERS_SCRIPT,INPUTLIST>"/*" { comment (); } |
252b5132 RH |
133 | |
134 | ||
6c19b93b AM |
135 | <DEFSYMEXP>"-" { RTOKEN('-');} |
136 | <DEFSYMEXP>"+" { RTOKEN('+');} | |
092da96a AM |
137 | <DEFSYMEXP>{SYMBOLNAMECHAR1}{SYMBOLNAMECHAR}* { yylval.name = xstrdup (yytext); |
138 | return NAME; } | |
6c19b93b | 139 | <DEFSYMEXP>"=" { RTOKEN('='); } |
252b5132 RH |
140 | |
141 | <MRI,EXPRESSION>"$"([0-9A-Fa-f])+ { | |
6c19b93b | 142 | yylval.integer = bfd_scan_vma (yytext + 1, 0, 16); |
1579bae1 | 143 | yylval.bigint.str = NULL; |
252b5132 RH |
144 | return INT; |
145 | } | |
146 | ||
147 | <MRI,EXPRESSION>([0-9A-Fa-f])+(H|h|X|x|B|b|O|o|D|d) { | |
148 | int ibase ; | |
1579bae1 AM |
149 | switch (yytext[yyleng - 1]) { |
150 | case 'X': | |
252b5132 RH |
151 | case 'x': |
152 | case 'H': | |
153 | case 'h': | |
154 | ibase = 16; | |
155 | break; | |
156 | case 'O': | |
157 | case 'o': | |
158 | ibase = 8; | |
159 | break; | |
160 | case 'B': | |
161 | case 'b': | |
162 | ibase = 2; | |
163 | break; | |
164 | default: | |
165 | ibase = 10; | |
166 | } | |
167 | yylval.integer = bfd_scan_vma (yytext, 0, | |
168 | ibase); | |
1579bae1 | 169 | yylval.bigint.str = NULL; |
252b5132 RH |
170 | return INT; |
171 | } | |
2c382fb6 | 172 | <SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>((("$"|0[xX])([0-9A-Fa-f])+)|(([0-9])+))(M|K|m|k)? { |
252b5132 | 173 | char *s = yytext; |
2c382fb6 | 174 | int ibase = 0; |
252b5132 RH |
175 | |
176 | if (*s == '$') | |
2c382fb6 AM |
177 | { |
178 | ++s; | |
179 | ibase = 16; | |
180 | } | |
181 | yylval.integer = bfd_scan_vma (s, 0, ibase); | |
1579bae1 AM |
182 | yylval.bigint.str = NULL; |
183 | if (yytext[yyleng - 1] == 'M' | |
184 | || yytext[yyleng - 1] == 'm') | |
2c382fb6 AM |
185 | { |
186 | yylval.integer *= 1024 * 1024; | |
187 | } | |
1579bae1 AM |
188 | else if (yytext[yyleng - 1] == 'K' |
189 | || yytext[yyleng - 1]=='k') | |
2c382fb6 AM |
190 | { |
191 | yylval.integer *= 1024; | |
192 | } | |
193 | else if (yytext[0] == '0' | |
194 | && (yytext[1] == 'x' | |
195 | || yytext[1] == 'X')) | |
196 | { | |
197 | yylval.bigint.str = xstrdup (yytext + 2); | |
198 | } | |
252b5132 RH |
199 | return INT; |
200 | } | |
201 | <BOTH,SCRIPT,EXPRESSION,MRI>"]" { RTOKEN(']');} | |
202 | <BOTH,SCRIPT,EXPRESSION,MRI>"[" { RTOKEN('[');} | |
203 | <BOTH,SCRIPT,EXPRESSION,MRI>"<<=" { RTOKEN(LSHIFTEQ);} | |
204 | <BOTH,SCRIPT,EXPRESSION,MRI>">>=" { RTOKEN(RSHIFTEQ);} | |
205 | <BOTH,SCRIPT,EXPRESSION,MRI>"||" { RTOKEN(OROR);} | |
206 | <BOTH,SCRIPT,EXPRESSION,MRI>"==" { RTOKEN(EQ);} | |
207 | <BOTH,SCRIPT,EXPRESSION,MRI>"!=" { RTOKEN(NE);} | |
208 | <BOTH,SCRIPT,EXPRESSION,MRI>">=" { RTOKEN(GE);} | |
209 | <BOTH,SCRIPT,EXPRESSION,MRI>"<=" { RTOKEN(LE);} | |
210 | <BOTH,SCRIPT,EXPRESSION,MRI>"<<" { RTOKEN(LSHIFT);} | |
211 | <BOTH,SCRIPT,EXPRESSION,MRI>">>" { RTOKEN(RSHIFT);} | |
212 | <BOTH,SCRIPT,EXPRESSION,MRI>"+=" { RTOKEN(PLUSEQ);} | |
213 | <BOTH,SCRIPT,EXPRESSION,MRI>"-=" { RTOKEN(MINUSEQ);} | |
214 | <BOTH,SCRIPT,EXPRESSION,MRI>"*=" { RTOKEN(MULTEQ);} | |
215 | <BOTH,SCRIPT,EXPRESSION,MRI>"/=" { RTOKEN(DIVEQ);} | |
216 | <BOTH,SCRIPT,EXPRESSION,MRI>"&=" { RTOKEN(ANDEQ);} | |
217 | <BOTH,SCRIPT,EXPRESSION,MRI>"|=" { RTOKEN(OREQ);} | |
218 | <BOTH,SCRIPT,EXPRESSION,MRI>"&&" { RTOKEN(ANDAND);} | |
219 | <BOTH,SCRIPT,EXPRESSION,MRI>">" { RTOKEN('>');} | |
eeed9cc7 | 220 | <BOTH,SCRIPT,EXPRESSION,MRI,INPUTLIST>"," { RTOKEN(',');} |
252b5132 RH |
221 | <BOTH,SCRIPT,EXPRESSION,MRI>"&" { RTOKEN('&');} |
222 | <BOTH,SCRIPT,EXPRESSION,MRI>"|" { RTOKEN('|');} | |
223 | <BOTH,SCRIPT,EXPRESSION,MRI>"~" { RTOKEN('~');} | |
224 | <BOTH,SCRIPT,EXPRESSION,MRI>"!" { RTOKEN('!');} | |
225 | <BOTH,SCRIPT,EXPRESSION,MRI>"?" { RTOKEN('?');} | |
226 | <BOTH,SCRIPT,EXPRESSION,MRI>"*" { RTOKEN('*');} | |
227 | <BOTH,SCRIPT,EXPRESSION,MRI>"+" { RTOKEN('+');} | |
228 | <BOTH,SCRIPT,EXPRESSION,MRI>"-" { RTOKEN('-');} | |
229 | <BOTH,SCRIPT,EXPRESSION,MRI>"/" { RTOKEN('/');} | |
230 | <BOTH,SCRIPT,EXPRESSION,MRI>"%" { RTOKEN('%');} | |
231 | <BOTH,SCRIPT,EXPRESSION,MRI>"<" { RTOKEN('<');} | |
6c19b93b | 232 | <BOTH,SCRIPT,EXPRESSION,MRI>"=" { RTOKEN('=');} |
3ec57632 NC |
233 | <BOTH,SCRIPT,EXPRESSION,MRI>"}" { RTOKEN('}') ; } |
234 | <BOTH,SCRIPT,EXPRESSION,MRI>"{" { RTOKEN('{'); } | |
eeed9cc7 HPN |
235 | <BOTH,SCRIPT,EXPRESSION,MRI,INPUTLIST>")" { RTOKEN(')');} |
236 | <BOTH,SCRIPT,EXPRESSION,MRI,INPUTLIST>"(" { RTOKEN('(');} | |
252b5132 RH |
237 | <BOTH,SCRIPT,EXPRESSION,MRI>":" { RTOKEN(':'); } |
238 | <BOTH,SCRIPT,EXPRESSION,MRI>";" { RTOKEN(';');} | |
3ec57632 | 239 | <BOTH,SCRIPT>"MEMORY" { RTOKEN(MEMORY);} |
4a93e180 | 240 | <BOTH,SCRIPT>"REGION_ALIAS" { RTOKEN(REGION_ALIAS);} |
01554a74 | 241 | <BOTH,SCRIPT>"LD_FEATURE" { RTOKEN(LD_FEATURE);} |
3ec57632 NC |
242 | <BOTH,SCRIPT,EXPRESSION>"ORIGIN" { RTOKEN(ORIGIN);} |
243 | <BOTH,SCRIPT>"VERSION" { RTOKEN(VERSIONK);} | |
252b5132 RH |
244 | <EXPRESSION,BOTH,SCRIPT>"BLOCK" { RTOKEN(BLOCK);} |
245 | <EXPRESSION,BOTH,SCRIPT>"BIND" { RTOKEN(BIND);} | |
3ec57632 NC |
246 | <BOTH,SCRIPT,EXPRESSION>"LENGTH" { RTOKEN(LENGTH);} |
247 | <EXPRESSION,BOTH,SCRIPT>"ALIGN" { RTOKEN(ALIGN_K);} | |
2d20f7bf | 248 | <EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_ALIGN" { RTOKEN(DATA_SEGMENT_ALIGN);} |
8c37241b | 249 | <EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_RELRO_END" { RTOKEN(DATA_SEGMENT_RELRO_END);} |
2d20f7bf | 250 | <EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_END" { RTOKEN(DATA_SEGMENT_END);} |
3ec57632 NC |
251 | <EXPRESSION,BOTH,SCRIPT>"ADDR" { RTOKEN(ADDR);} |
252 | <EXPRESSION,BOTH,SCRIPT>"LOADADDR" { RTOKEN(LOADADDR);} | |
362c1d1a | 253 | <EXPRESSION,BOTH,SCRIPT>"ALIGNOF" { RTOKEN(ALIGNOF); } |
252b5132 RH |
254 | <EXPRESSION,BOTH>"MAX" { RTOKEN(MAX_K); } |
255 | <EXPRESSION,BOTH>"MIN" { RTOKEN(MIN_K); } | |
2e53f7d6 | 256 | <EXPRESSION,BOTH>"LOG2CEIL" { RTOKEN(LOG2CEIL); } |
8545d1a9 | 257 | <EXPRESSION,BOTH,SCRIPT>"ASSERT" { RTOKEN(ASSERT_K); } |
252b5132 RH |
258 | <BOTH,SCRIPT>"ENTRY" { RTOKEN(ENTRY);} |
259 | <BOTH,SCRIPT,MRI>"EXTERN" { RTOKEN(EXTERN);} | |
3ec57632 | 260 | <EXPRESSION,BOTH,SCRIPT>"NEXT" { RTOKEN(NEXT);} |
252b5132 RH |
261 | <EXPRESSION,BOTH,SCRIPT>"sizeof_headers" { RTOKEN(SIZEOF_HEADERS);} |
262 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF_HEADERS" { RTOKEN(SIZEOF_HEADERS);} | |
ba916c8a | 263 | <EXPRESSION,BOTH,SCRIPT>"SEGMENT_START" { RTOKEN(SEGMENT_START);} |
252b5132 | 264 | <BOTH,SCRIPT>"MAP" { RTOKEN(MAP);} |
3ec57632 NC |
265 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF" { RTOKEN(SIZEOF);} |
266 | <BOTH,SCRIPT>"TARGET" { RTOKEN(TARGET_K);} | |
252b5132 | 267 | <BOTH,SCRIPT>"SEARCH_DIR" { RTOKEN(SEARCH_DIR);} |
3ec57632 | 268 | <BOTH,SCRIPT>"OUTPUT" { RTOKEN(OUTPUT);} |
252b5132 RH |
269 | <BOTH,SCRIPT>"INPUT" { RTOKEN(INPUT);} |
270 | <EXPRESSION,BOTH,SCRIPT>"GROUP" { RTOKEN(GROUP);} | |
eeed9cc7 | 271 | <EXPRESSION,BOTH,SCRIPT,INPUTLIST>"AS_NEEDED" { RTOKEN(AS_NEEDED);} |
3ec57632 | 272 | <EXPRESSION,BOTH,SCRIPT>"DEFINED" { RTOKEN(DEFINED);} |
252b5132 RH |
273 | <BOTH,SCRIPT>"CREATE_OBJECT_SYMBOLS" { RTOKEN(CREATE_OBJECT_SYMBOLS);} |
274 | <BOTH,SCRIPT>"CONSTRUCTORS" { RTOKEN( CONSTRUCTORS);} | |
3ec57632 | 275 | <BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);} |
7bdf4127 | 276 | <BOTH,SCRIPT>"FORCE_GROUP_ALLOCATION" { RTOKEN(FORCE_GROUP_ALLOCATION);} |
4818e05f | 277 | <BOTH,SCRIPT>"INHIBIT_COMMON_ALLOCATION" { RTOKEN(INHIBIT_COMMON_ALLOCATION);} |
3ec57632 | 278 | <BOTH,SCRIPT>"SECTIONS" { RTOKEN(SECTIONS);} |
53d25da6 AM |
279 | <BOTH,SCRIPT>"INSERT" { RTOKEN(INSERT_K);} |
280 | <BOTH,SCRIPT>"AFTER" { RTOKEN(AFTER);} | |
281 | <BOTH,SCRIPT>"BEFORE" { RTOKEN(BEFORE);} | |
252b5132 | 282 | <BOTH,SCRIPT>"FILL" { RTOKEN(FILL);} |
3ec57632 | 283 | <BOTH,SCRIPT>"STARTUP" { RTOKEN(STARTUP);} |
252b5132 RH |
284 | <BOTH,SCRIPT>"OUTPUT_FORMAT" { RTOKEN(OUTPUT_FORMAT);} |
285 | <BOTH,SCRIPT>"OUTPUT_ARCH" { RTOKEN( OUTPUT_ARCH);} | |
286 | <BOTH,SCRIPT>"HLL" { RTOKEN(HLL);} | |
3ec57632 | 287 | <BOTH,SCRIPT>"SYSLIB" { RTOKEN(SYSLIB);} |
252b5132 RH |
288 | <BOTH,SCRIPT>"FLOAT" { RTOKEN(FLOAT);} |
289 | <BOTH,SCRIPT>"QUAD" { RTOKEN( QUAD);} | |
290 | <BOTH,SCRIPT>"SQUAD" { RTOKEN( SQUAD);} | |
291 | <BOTH,SCRIPT>"LONG" { RTOKEN( LONG);} | |
292 | <BOTH,SCRIPT>"SHORT" { RTOKEN( SHORT);} | |
293 | <BOTH,SCRIPT>"BYTE" { RTOKEN( BYTE);} | |
3ec57632 | 294 | <BOTH,SCRIPT>"NOFLOAT" { RTOKEN(NOFLOAT);} |
252b5132 | 295 | <EXPRESSION,BOTH,SCRIPT>"NOCROSSREFS" { RTOKEN(NOCROSSREFS);} |
cdf96953 | 296 | <EXPRESSION,BOTH,SCRIPT>"NOCROSSREFS_TO" { RTOKEN(NOCROSSREFS_TO);} |
252b5132 | 297 | <BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY); } |
bcaa7b3e L |
298 | <BOTH,SCRIPT>"SORT_BY_NAME" { RTOKEN(SORT_BY_NAME); } |
299 | <BOTH,SCRIPT>"SORT_BY_ALIGNMENT" { RTOKEN(SORT_BY_ALIGNMENT); } | |
300 | <BOTH,SCRIPT>"SORT" { RTOKEN(SORT_BY_NAME); } | |
02ecc8e9 | 301 | <BOTH,SCRIPT>"SORT_BY_INIT_PRIORITY" { RTOKEN(SORT_BY_INIT_PRIORITY); } |
eda680f8 | 302 | <BOTH,SCRIPT>"SORT_NONE" { RTOKEN(SORT_NONE); } |
252b5132 RH |
303 | <EXPRESSION,BOTH,SCRIPT>"NOLOAD" { RTOKEN(NOLOAD);} |
304 | <EXPRESSION,BOTH,SCRIPT>"DSECT" { RTOKEN(DSECT);} | |
305 | <EXPRESSION,BOTH,SCRIPT>"COPY" { RTOKEN(COPY);} | |
306 | <EXPRESSION,BOTH,SCRIPT>"INFO" { RTOKEN(INFO);} | |
307 | <EXPRESSION,BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY);} | |
0841712e JJ |
308 | <EXPRESSION,BOTH,SCRIPT>"ONLY_IF_RO" { RTOKEN(ONLY_IF_RO); } |
309 | <EXPRESSION,BOTH,SCRIPT>"ONLY_IF_RW" { RTOKEN(ONLY_IF_RW); } | |
0cf7d72c | 310 | <EXPRESSION,BOTH,SCRIPT>"SPECIAL" { RTOKEN(SPECIAL); } |
252b5132 RH |
311 | <BOTH,SCRIPT>"o" { RTOKEN(ORIGIN);} |
312 | <BOTH,SCRIPT>"org" { RTOKEN(ORIGIN);} | |
313 | <BOTH,SCRIPT>"l" { RTOKEN( LENGTH);} | |
314 | <BOTH,SCRIPT>"len" { RTOKEN( LENGTH);} | |
ae17ab41 | 315 | <EXPRESSION,BOTH,SCRIPT>"INPUT_SECTION_FLAGS" { RTOKEN(INPUT_SECTION_FLAGS); } |
4006703d | 316 | <EXPRESSION,BOTH,SCRIPT>"INCLUDE" { RTOKEN(INCLUDE);} |
252b5132 | 317 | <BOTH,SCRIPT>"PHDRS" { RTOKEN (PHDRS); } |
3ec57632 | 318 | <EXPRESSION,BOTH,SCRIPT>"AT" { RTOKEN(AT);} |
1eec346e | 319 | <EXPRESSION,BOTH,SCRIPT>"ALIGN_WITH_INPUT" { RTOKEN(ALIGN_WITH_INPUT);} |
3ec57632 | 320 | <EXPRESSION,BOTH,SCRIPT>"SUBALIGN" { RTOKEN(SUBALIGN);} |
eb8476a6 | 321 | <EXPRESSION,BOTH,SCRIPT>"HIDDEN" { RTOKEN(HIDDEN); } |
3ec57632 | 322 | <EXPRESSION,BOTH,SCRIPT>"PROVIDE" { RTOKEN(PROVIDE); } |
7af8e998 | 323 | <EXPRESSION,BOTH,SCRIPT>"PROVIDE_HIDDEN" { RTOKEN(PROVIDE_HIDDEN); } |
252b5132 | 324 | <EXPRESSION,BOTH,SCRIPT>"KEEP" { RTOKEN(KEEP); } |
3ec57632 | 325 | <EXPRESSION,BOTH,SCRIPT>"EXCLUDE_FILE" { RTOKEN(EXCLUDE_FILE); } |
24718e3b | 326 | <EXPRESSION,BOTH,SCRIPT>"CONSTANT" { RTOKEN(CONSTANT);} |
252b5132 | 327 | <MRI>"#".*\n? { ++ lineno; } |
6c19b93b | 328 | <MRI>"\n" { ++ lineno; RTOKEN(NEWLINE); } |
252b5132 RH |
329 | <MRI>"*".* { /* Mri comment line */ } |
330 | <MRI>";".* { /* Mri comment line */ } | |
6c19b93b | 331 | <MRI>"END" { RTOKEN(ENDWORD); } |
3ec57632 NC |
332 | <MRI>"ALIGNMOD" { RTOKEN(ALIGNMOD);} |
333 | <MRI>"ALIGN" { RTOKEN(ALIGN_K);} | |
6c19b93b AM |
334 | <MRI>"CHIP" { RTOKEN(CHIP); } |
335 | <MRI>"BASE" { RTOKEN(BASE); } | |
336 | <MRI>"ALIAS" { RTOKEN(ALIAS); } | |
337 | <MRI>"TRUNCATE" { RTOKEN(TRUNCATE); } | |
338 | <MRI>"LOAD" { RTOKEN(LOAD); } | |
339 | <MRI>"PUBLIC" { RTOKEN(PUBLIC); } | |
340 | <MRI>"ORDER" { RTOKEN(ORDER); } | |
341 | <MRI>"NAME" { RTOKEN(NAMEWORD); } | |
342 | <MRI>"FORMAT" { RTOKEN(FORMAT); } | |
343 | <MRI>"CASE" { RTOKEN(CASE); } | |
344 | <MRI>"START" { RTOKEN(START); } | |
345 | <MRI>"LIST".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } | |
252b5132 RH |
346 | <MRI>"SECT" { RTOKEN(SECT); } |
347 | <EXPRESSION,BOTH,SCRIPT,MRI>"ABSOLUTE" { RTOKEN(ABSOLUTE); } | |
6c19b93b | 348 | <MRI>"end" { RTOKEN(ENDWORD); } |
3ec57632 NC |
349 | <MRI>"alignmod" { RTOKEN(ALIGNMOD);} |
350 | <MRI>"align" { RTOKEN(ALIGN_K);} | |
6c19b93b AM |
351 | <MRI>"chip" { RTOKEN(CHIP); } |
352 | <MRI>"base" { RTOKEN(BASE); } | |
353 | <MRI>"alias" { RTOKEN(ALIAS); } | |
354 | <MRI>"truncate" { RTOKEN(TRUNCATE); } | |
355 | <MRI>"load" { RTOKEN(LOAD); } | |
356 | <MRI>"public" { RTOKEN(PUBLIC); } | |
357 | <MRI>"order" { RTOKEN(ORDER); } | |
358 | <MRI>"name" { RTOKEN(NAMEWORD); } | |
359 | <MRI>"format" { RTOKEN(FORMAT); } | |
360 | <MRI>"case" { RTOKEN(CASE); } | |
361 | <MRI>"extern" { RTOKEN(EXTERN); } | |
362 | <MRI>"start" { RTOKEN(START); } | |
363 | <MRI>"list".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } | |
252b5132 RH |
364 | <MRI>"sect" { RTOKEN(SECT); } |
365 | <EXPRESSION,BOTH,SCRIPT,MRI>"absolute" { RTOKEN(ABSOLUTE); } | |
366 | ||
367 | <MRI>{FILENAMECHAR1}{NOCFILENAMECHAR}* { | |
368 | /* Filename without commas, needed to parse mri stuff */ | |
092da96a | 369 | yylval.name = xstrdup (yytext); |
252b5132 RH |
370 | return NAME; |
371 | } | |
372 | ||
373 | ||
eeed9cc7 | 374 | <BOTH,INPUTLIST>{FILENAMECHAR1}{FILENAMECHAR}* { |
092da96a | 375 | yylval.name = xstrdup (yytext); |
252b5132 RH |
376 | return NAME; |
377 | } | |
eeed9cc7 | 378 | <INPUTLIST>"="{FILENAMECHAR1}{FILENAMECHAR}* { |
3aa2d05a | 379 | /* Filename to be prefixed by --sysroot or when non-sysrooted, nothing. */ |
092da96a | 380 | yylval.name = xstrdup (yytext); |
eeed9cc7 HPN |
381 | return NAME; |
382 | } | |
383 | <BOTH,INPUTLIST>"-l"{FILENAMECHAR}+ { | |
8545d1a9 NS |
384 | yylval.name = xstrdup (yytext + 2); |
385 | return LNAME; | |
386 | } | |
092da96a AM |
387 | <EXPRESSION>{SYMBOLNAMECHAR1}{NOCFILENAMECHAR}* { |
388 | yylval.name = xstrdup (yytext); | |
8545d1a9 NS |
389 | return NAME; |
390 | } | |
1c6aafe8 AM |
391 | <EXPRESSION>"/DISCARD/" { |
392 | yylval.name = xstrdup (yytext); | |
393 | return NAME; | |
394 | } | |
8545d1a9 | 395 | <EXPRESSION>"-l"{NOCFILENAMECHAR}+ { |
d1b2b2dc | 396 | yylval.name = xstrdup (yytext + 2); |
252b5132 RH |
397 | return LNAME; |
398 | } | |
399 | <SCRIPT>{WILDCHAR}* { | |
400 | /* Annoyingly, this pattern can match comments, and we have | |
401 | longest match issues to consider. So if the first two | |
402 | characters are a comment opening, put the input back and | |
403 | try again. */ | |
404 | if (yytext[0] == '/' && yytext[1] == '*') | |
405 | { | |
1579bae1 | 406 | yyless (2); |
252b5132 RH |
407 | comment (); |
408 | } | |
409 | else | |
410 | { | |
1579bae1 | 411 | yylval.name = xstrdup (yytext); |
252b5132 RH |
412 | return NAME; |
413 | } | |
414 | } | |
415 | ||
eeed9cc7 | 416 | <EXPRESSION,BOTH,SCRIPT,VERS_NODE,INPUTLIST>"\""[^\"]*"\"" { |
252b5132 | 417 | /* No matter the state, quotes |
406bd128 NC |
418 | give what's inside. */ |
419 | bfd_size_type len; | |
1579bae1 | 420 | yylval.name = xstrdup (yytext + 1); |
406bd128 NC |
421 | /* PR ld/20906. A corrupt input file |
422 | can contain bogus strings. */ | |
423 | len = strlen (yylval.name); | |
2688aab2 | 424 | if (len > (bfd_size_type) yyleng - 2) |
406bd128 NC |
425 | len = yyleng - 2; |
426 | yylval.name[len] = 0; | |
252b5132 RH |
427 | return NAME; |
428 | } | |
429 | <BOTH,SCRIPT,EXPRESSION>"\n" { lineno++;} | |
430 | <MRI,BOTH,SCRIPT,EXPRESSION>[ \t\r]+ { } | |
431 | ||
432 | <VERS_NODE,VERS_SCRIPT>[:,;] { return *yytext; } | |
433 | ||
434 | <VERS_NODE>global { RTOKEN(GLOBAL); } | |
435 | ||
436 | <VERS_NODE>local { RTOKEN(LOCAL); } | |
437 | ||
438 | <VERS_NODE>extern { RTOKEN(EXTERN); } | |
439 | ||
d1b2b2dc | 440 | <VERS_NODE>{V_IDENTIFIER} { yylval.name = xstrdup (yytext); |
252b5132 RH |
441 | return VERS_IDENTIFIER; } |
442 | ||
d1b2b2dc | 443 | <VERS_SCRIPT>{V_TAG} { yylval.name = xstrdup (yytext); |
252b5132 RH |
444 | return VERS_TAG; } |
445 | ||
446 | <VERS_START>"{" { BEGIN(VERS_SCRIPT); return *yytext; } | |
447 | ||
1579bae1 | 448 | <VERS_SCRIPT>"{" { BEGIN(VERS_NODE); |
252b5132 RH |
449 | vers_node_nesting = 0; |
450 | return *yytext; | |
451 | } | |
452 | <VERS_SCRIPT>"}" { return *yytext; } | |
453 | <VERS_NODE>"{" { vers_node_nesting++; return *yytext; } | |
454 | <VERS_NODE>"}" { if (--vers_node_nesting < 0) | |
455 | BEGIN(VERS_SCRIPT); | |
456 | return *yytext; | |
457 | } | |
458 | ||
a13eab06 | 459 | <VERS_START,VERS_NODE,VERS_SCRIPT,INPUTLIST>[\n] { lineno++; } |
252b5132 RH |
460 | |
461 | <VERS_START,VERS_NODE,VERS_SCRIPT>#.* { /* Eat up comments */ } | |
462 | ||
6c19b93b | 463 | <VERS_START,VERS_NODE,VERS_SCRIPT,INPUTLIST>[ \t\r]+ { /* Eat up whitespace */ } |
252b5132 RH |
464 | |
465 | <<EOF>> { | |
466 | include_stack_ptr--; | |
1579bae1 | 467 | if (include_stack_ptr == 0) |
1753ed68 JB |
468 | { |
469 | lineno = 0; | |
470 | yyterminate (); | |
471 | } | |
1579bae1 | 472 | else |
1579bae1 | 473 | yy_switch_to_buffer (include_stack[include_stack_ptr]); |
b47c4208 | 474 | |
b47c4208 | 475 | lineno = lineno_stack[include_stack_ptr]; |
f4a23d42 | 476 | input_flags.sysrooted = sysrooted_stack[include_stack_ptr]; |
252b5132 RH |
477 | |
478 | return END; | |
479 | } | |
480 | ||
1579bae1 AM |
481 | <SCRIPT,MRI,VERS_START,VERS_SCRIPT,VERS_NODE>. lex_warn_invalid (" in script", yytext); |
482 | <EXPRESSION,DEFSYMEXP,BOTH>. lex_warn_invalid (" in expression", yytext); | |
483 | ||
252b5132 RH |
484 | %% |
485 | \f | |
486 | ||
487 | /* Switch flex to reading script file NAME, open on FILE, | |
488 | saving the current input info on the include stack. */ | |
489 | ||
490 | void | |
f4a23d42 | 491 | lex_push_file (FILE *file, const char *name, unsigned int sysrooted) |
252b5132 | 492 | { |
1579bae1 | 493 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
252b5132 | 494 | { |
d003af55 | 495 | einfo (_("%F:includes nested too deeply\n")); |
252b5132 RH |
496 | } |
497 | file_name_stack[include_stack_ptr] = name; | |
b47c4208 | 498 | lineno_stack[include_stack_ptr] = lineno; |
f4a23d42 | 499 | sysrooted_stack[include_stack_ptr] = input_flags.sysrooted; |
252b5132 RH |
500 | include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; |
501 | ||
502 | include_stack_ptr++; | |
b47c4208 | 503 | lineno = 1; |
f4a23d42 | 504 | input_flags.sysrooted = sysrooted; |
252b5132 | 505 | yyin = file; |
1579bae1 | 506 | yy_switch_to_buffer (yy_create_buffer (yyin, YY_BUF_SIZE)); |
252b5132 RH |
507 | } |
508 | ||
509 | /* Return a newly created flex input buffer containing STRING, | |
510 | which is SIZE bytes long. */ | |
511 | ||
1579bae1 AM |
512 | static YY_BUFFER_STATE |
513 | yy_create_string_buffer (const char *string, size_t size) | |
252b5132 RH |
514 | { |
515 | YY_BUFFER_STATE b; | |
516 | ||
517 | /* Calls to m-alloc get turned by sed into xm-alloc. */ | |
1579bae1 | 518 | b = malloc (sizeof (struct yy_buffer_state)); |
252b5132 RH |
519 | b->yy_input_file = 0; |
520 | b->yy_buf_size = size; | |
521 | ||
522 | /* yy_ch_buf has to be 2 characters longer than the size given because | |
523 | we need to put in 2 end-of-buffer characters. */ | |
1579bae1 | 524 | b->yy_ch_buf = malloc ((unsigned) (b->yy_buf_size + 3)); |
252b5132 RH |
525 | |
526 | b->yy_ch_buf[0] = '\n'; | |
527 | strcpy (b->yy_ch_buf+1, string); | |
528 | b->yy_ch_buf[size+1] = YY_END_OF_BUFFER_CHAR; | |
529 | b->yy_ch_buf[size+2] = YY_END_OF_BUFFER_CHAR; | |
530 | b->yy_n_chars = size+1; | |
531 | b->yy_buf_pos = &b->yy_ch_buf[1]; | |
532 | ||
dca7760f AM |
533 | b->yy_is_our_buffer = 1; |
534 | b->yy_is_interactive = 0; | |
535 | b->yy_at_bol = 1; | |
536 | b->yy_fill_buffer = 0; | |
537 | ||
252b5132 RH |
538 | /* flex 2.4.7 changed the interface. FIXME: We should not be using |
539 | a flex internal interface in the first place! */ | |
540 | #ifdef YY_BUFFER_NEW | |
541 | b->yy_buffer_status = YY_BUFFER_NEW; | |
542 | #else | |
543 | b->yy_eof_status = EOF_NOT_SEEN; | |
544 | #endif | |
545 | ||
546 | return b; | |
547 | } | |
548 | ||
549 | /* Switch flex to reading from STRING, saving the current input info | |
550 | on the include stack. */ | |
551 | ||
552 | void | |
dab69f68 | 553 | lex_redirect (const char *string, const char *fake_filename, unsigned int count) |
252b5132 RH |
554 | { |
555 | YY_BUFFER_STATE tmp; | |
556 | ||
557 | yy_init = 0; | |
1579bae1 | 558 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
252b5132 | 559 | { |
d003af55 | 560 | einfo (_("%F: macros nested too deeply\n")); |
252b5132 | 561 | } |
dab69f68 | 562 | file_name_stack[include_stack_ptr] = fake_filename; |
b47c4208 | 563 | lineno_stack[include_stack_ptr] = lineno; |
252b5132 RH |
564 | include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; |
565 | include_stack_ptr++; | |
dab69f68 | 566 | lineno = count; |
252b5132 RH |
567 | tmp = yy_create_string_buffer (string, strlen (string)); |
568 | yy_switch_to_buffer (tmp); | |
252b5132 RH |
569 | } |
570 | \f | |
571 | /* Functions to switch to a different flex start condition, | |
572 | saving the current start condition on `state_stack'. */ | |
573 | ||
574 | static int state_stack[MAX_INCLUDE_DEPTH * 2]; | |
575 | static int *state_stack_p = state_stack; | |
576 | ||
577 | void | |
1579bae1 | 578 | ldlex_script (void) |
252b5132 RH |
579 | { |
580 | *(state_stack_p)++ = yy_start; | |
581 | BEGIN (SCRIPT); | |
582 | } | |
583 | ||
eeed9cc7 HPN |
584 | void |
585 | ldlex_inputlist (void) | |
586 | { | |
587 | *(state_stack_p)++ = yy_start; | |
588 | BEGIN (INPUTLIST); | |
589 | } | |
590 | ||
252b5132 | 591 | void |
1579bae1 | 592 | ldlex_mri_script (void) |
252b5132 RH |
593 | { |
594 | *(state_stack_p)++ = yy_start; | |
595 | BEGIN (MRI); | |
596 | } | |
597 | ||
598 | void | |
1579bae1 | 599 | ldlex_version_script (void) |
252b5132 RH |
600 | { |
601 | *(state_stack_p)++ = yy_start; | |
602 | BEGIN (VERS_START); | |
603 | } | |
604 | ||
605 | void | |
1579bae1 | 606 | ldlex_version_file (void) |
252b5132 RH |
607 | { |
608 | *(state_stack_p)++ = yy_start; | |
609 | BEGIN (VERS_SCRIPT); | |
610 | } | |
611 | ||
612 | void | |
1579bae1 | 613 | ldlex_defsym (void) |
252b5132 RH |
614 | { |
615 | *(state_stack_p)++ = yy_start; | |
616 | BEGIN (DEFSYMEXP); | |
617 | } | |
1579bae1 | 618 | |
252b5132 | 619 | void |
1579bae1 | 620 | ldlex_expression (void) |
252b5132 RH |
621 | { |
622 | *(state_stack_p)++ = yy_start; | |
623 | BEGIN (EXPRESSION); | |
624 | } | |
625 | ||
626 | void | |
1579bae1 | 627 | ldlex_both (void) |
252b5132 RH |
628 | { |
629 | *(state_stack_p)++ = yy_start; | |
630 | BEGIN (BOTH); | |
631 | } | |
632 | ||
633 | void | |
1579bae1 | 634 | ldlex_popstate (void) |
252b5132 RH |
635 | { |
636 | yy_start = *(--state_stack_p); | |
637 | } | |
dab69f68 AM |
638 | |
639 | /* Return the current file name, or the previous file if no file is | |
640 | current. */ | |
641 | ||
642 | const char* | |
643 | ldlex_filename (void) | |
644 | { | |
645 | return file_name_stack[include_stack_ptr - (include_stack_ptr != 0)]; | |
646 | } | |
252b5132 RH |
647 | \f |
648 | ||
d05c651b | 649 | /* Place up to MAX_SIZE characters in BUF and return |
252b5132 RH |
650 | either the number of characters read, or 0 to indicate EOF. */ |
651 | ||
d05c651b AS |
652 | static int |
653 | yy_input (char *buf, int max_size) | |
252b5132 | 654 | { |
d05c651b | 655 | int result = 0; |
731e28d8 | 656 | if (YY_CURRENT_BUFFER->yy_input_file) |
252b5132 RH |
657 | { |
658 | if (yyin) | |
659 | { | |
d05c651b AS |
660 | result = fread (buf, 1, max_size, yyin); |
661 | if (result < max_size && ferror (yyin)) | |
d003af55 | 662 | einfo (_("%F%P: read in flex scanner failed\n")); |
252b5132 RH |
663 | } |
664 | } | |
d05c651b | 665 | return result; |
252b5132 RH |
666 | } |
667 | ||
668 | /* Eat the rest of a C-style comment. */ | |
669 | ||
670 | static void | |
1579bae1 | 671 | comment (void) |
252b5132 RH |
672 | { |
673 | int c; | |
674 | ||
675 | while (1) | |
252b5132 | 676 | { |
252b5132 | 677 | c = input(); |
d003af55 AM |
678 | while (c != '*' && c != EOF) |
679 | { | |
680 | if (c == '\n') | |
681 | lineno++; | |
682 | c = input(); | |
683 | } | |
252b5132 | 684 | |
d003af55 AM |
685 | if (c == '*') |
686 | { | |
687 | c = input(); | |
688 | while (c == '*') | |
689 | c = input(); | |
690 | if (c == '/') | |
691 | break; /* found the end */ | |
692 | } | |
252b5132 | 693 | |
d003af55 AM |
694 | if (c == '\n') |
695 | lineno++; | |
252b5132 | 696 | |
d003af55 AM |
697 | if (c == EOF) |
698 | { | |
699 | einfo (_("%F%P: EOF in comment\n")); | |
700 | break; | |
701 | } | |
252b5132 | 702 | } |
252b5132 RH |
703 | } |
704 | ||
705 | /* Warn the user about a garbage character WHAT in the input | |
706 | in context WHERE. */ | |
707 | ||
708 | static void | |
1579bae1 | 709 | lex_warn_invalid (char *where, char *what) |
252b5132 RH |
710 | { |
711 | char buf[5]; | |
712 | ||
713 | /* If we have found an input file whose format we do not recognize, | |
714 | and we are therefore treating it as a linker script, and we find | |
715 | an invalid character, then most likely this is a real object file | |
716 | of some different format. Treat it as such. */ | |
717 | if (ldfile_assumed_script) | |
718 | { | |
719 | bfd_set_error (bfd_error_file_not_recognized); | |
d003af55 | 720 | einfo (_("%F%s: file not recognized: %E\n"), ldlex_filename ()); |
252b5132 RH |
721 | } |
722 | ||
3882b010 | 723 | if (! ISPRINT (*what)) |
252b5132 | 724 | { |
c3a7b120 | 725 | sprintf (buf, "\\%03o", *(unsigned char *) what); |
252b5132 RH |
726 | what = buf; |
727 | } | |
728 | ||
c1c8c1ef | 729 | einfo (_("%P:%pS: ignoring invalid character `%s'%s\n"), NULL, what, where); |
252b5132 | 730 | } |