Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | %{ |
2 | ||
968ec2b9 | 3 | /* Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
b717d30e | 4 | 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
252b5132 | 5 | |
3ec57632 | 6 | This file is part of GLD, the Gnu Linker. |
252b5132 | 7 | |
3ec57632 NC |
8 | GLD is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
252b5132 | 12 | |
3ec57632 NC |
13 | GLD is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
252b5132 | 17 | |
3ec57632 NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with GLD; see the file COPYING. If not, write to the Free | |
75be928b NC |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 RH |
22 | |
23 | /* | |
24 | This was written by steve chamberlain | |
25 | sac@cygnus.com | |
26 | */ | |
27 | ||
28 | ||
252b5132 | 29 | #include <stdio.h> |
252b5132 | 30 | |
252b5132 RH |
31 | #include "bfd.h" |
32 | #include "sysdep.h" | |
3882b010 | 33 | #include "safe-ctype.h" |
e3e942e9 | 34 | #include "bfdlink.h" |
252b5132 | 35 | #include "ld.h" |
252b5132 RH |
36 | #include "ldmisc.h" |
37 | #include "ldexp.h" | |
38 | #include "ldlang.h" | |
df2a7313 | 39 | #include <ldgram.h> |
252b5132 RH |
40 | #include "ldfile.h" |
41 | #include "ldlex.h" | |
42 | #include "ldmain.h" | |
d1b2b2dc | 43 | #include "libiberty.h" |
252b5132 RH |
44 | |
45 | /* The type of top-level parser input. | |
46 | yylex and yyparse (indirectly) both check this. */ | |
47 | input_type parser_input; | |
48 | ||
49 | /* Line number in the current input file. | |
50 | (FIXME Actually, it doesn't appear to get reset for each file?) */ | |
51 | unsigned int lineno = 1; | |
52 | ||
53 | /* The string we are currently lexing, or NULL if we are reading a | |
54 | file. */ | |
55 | const char *lex_string = NULL; | |
56 | ||
57 | /* Support for flex reading from more than one input file (stream). | |
58 | `include_stack' is flex's input state for each open file; | |
59 | `file_name_stack' is the file names. `lineno_stack' is the current | |
60 | line numbers. | |
61 | ||
62 | If `include_stack_ptr' is 0, we haven't started reading anything yet. | |
63 | Otherwise, stack elements 0 through `include_stack_ptr - 1' are valid. */ | |
64 | ||
65 | #undef YY_INPUT | |
1579bae1 | 66 | #define YY_INPUT(buf,result,max_size) yy_input (buf, &result, max_size) |
252b5132 | 67 | |
297ba367 NC |
68 | #define YY_NO_UNPUT |
69 | ||
252b5132 RH |
70 | #define MAX_INCLUDE_DEPTH 10 |
71 | static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH]; | |
72 | static const char *file_name_stack[MAX_INCLUDE_DEPTH]; | |
73 | static unsigned int lineno_stack[MAX_INCLUDE_DEPTH]; | |
74 | static unsigned int include_stack_ptr = 0; | |
75 | static int vers_node_nesting = 0; | |
76 | ||
1579bae1 AM |
77 | static void yy_input (char *, int *, int); |
78 | static void comment (void); | |
79 | static void lex_warn_invalid (char *where, char *what); | |
252b5132 | 80 | |
1579bae1 | 81 | /* STATES |
252b5132 RH |
82 | EXPRESSION definitely in an expression |
83 | SCRIPT definitely in a script | |
84 | BOTH either EXPRESSION or SCRIPT | |
85 | DEFSYMEXP in an argument to -defsym | |
86 | MRI in an MRI script | |
87 | VERS_START starting a Sun style mapfile | |
88 | VERS_SCRIPT a Sun style mapfile | |
89 | VERS_NODE a node within a Sun style mapfile | |
90 | */ | |
91 | #define RTOKEN(x) { yylval.token = x; return x; } | |
92 | ||
93 | /* Some versions of flex want this. */ | |
94 | #ifndef yywrap | |
1579bae1 | 95 | int yywrap (void) { return 1; } |
252b5132 RH |
96 | #endif |
97 | %} | |
98 | ||
99 | %a 4000 | |
100 | %o 5000 | |
101 | ||
102 | CMDFILENAMECHAR [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\-\~] | |
103 | CMDFILENAMECHAR1 [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\~] | |
104 | FILENAMECHAR1 [_a-zA-Z\/\.\\\$\_\~] | |
105 | SYMBOLCHARN [_a-zA-Z\/\.\\\$\_\~0-9] | |
106 | FILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~] | |
107 | WILDCHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~\?\*] | |
1579bae1 | 108 | WHITE [ \t\n\r]+ |
252b5132 RH |
109 | |
110 | NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~] | |
111 | ||
112 | V_TAG [.$_a-zA-Z][._a-zA-Z0-9]* | |
5e35cbc2 | 113 | V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)* |
252b5132 RH |
114 | |
115 | %s SCRIPT | |
116 | %s EXPRESSION | |
117 | %s BOTH | |
118 | %s DEFSYMEXP | |
119 | %s MRI | |
120 | %s VERS_START | |
121 | %s VERS_SCRIPT | |
122 | %s VERS_NODE | |
123 | %% | |
124 | ||
125 | if (parser_input != input_selected) | |
126 | { | |
127 | /* The first token of the input determines the initial parser state. */ | |
128 | input_type t = parser_input; | |
129 | parser_input = input_selected; | |
130 | switch (t) | |
131 | { | |
132 | case input_script: return INPUT_SCRIPT; break; | |
133 | case input_mri_script: return INPUT_MRI_SCRIPT; break; | |
134 | case input_version_script: return INPUT_VERSION_SCRIPT; break; | |
55255dae | 135 | case input_dynamic_list: return INPUT_DYNAMIC_LIST; break; |
252b5132 RH |
136 | case input_defsym: return INPUT_DEFSYM; break; |
137 | default: abort (); | |
138 | } | |
139 | } | |
140 | ||
1579bae1 | 141 | <BOTH,SCRIPT,EXPRESSION,VERS_START,VERS_NODE,VERS_SCRIPT>"/*" { comment (); } |
252b5132 RH |
142 | |
143 | ||
144 | <DEFSYMEXP>"-" { RTOKEN('-');} | |
145 | <DEFSYMEXP>"+" { RTOKEN('+');} | |
1579bae1 | 146 | <DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}* { yylval.name = xstrdup (yytext); return NAME; } |
252b5132 RH |
147 | <DEFSYMEXP>"=" { RTOKEN('='); } |
148 | ||
149 | <MRI,EXPRESSION>"$"([0-9A-Fa-f])+ { | |
1579bae1 AM |
150 | yylval.integer = bfd_scan_vma (yytext + 1, 0, 16); |
151 | yylval.bigint.str = NULL; | |
252b5132 RH |
152 | return INT; |
153 | } | |
154 | ||
155 | <MRI,EXPRESSION>([0-9A-Fa-f])+(H|h|X|x|B|b|O|o|D|d) { | |
156 | int ibase ; | |
1579bae1 AM |
157 | switch (yytext[yyleng - 1]) { |
158 | case 'X': | |
252b5132 RH |
159 | case 'x': |
160 | case 'H': | |
161 | case 'h': | |
162 | ibase = 16; | |
163 | break; | |
164 | case 'O': | |
165 | case 'o': | |
166 | ibase = 8; | |
167 | break; | |
168 | case 'B': | |
169 | case 'b': | |
170 | ibase = 2; | |
171 | break; | |
172 | default: | |
173 | ibase = 10; | |
174 | } | |
175 | yylval.integer = bfd_scan_vma (yytext, 0, | |
176 | ibase); | |
1579bae1 | 177 | yylval.bigint.str = NULL; |
252b5132 RH |
178 | return INT; |
179 | } | |
2c382fb6 | 180 | <SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>((("$"|0[xX])([0-9A-Fa-f])+)|(([0-9])+))(M|K|m|k)? { |
252b5132 | 181 | char *s = yytext; |
2c382fb6 | 182 | int ibase = 0; |
252b5132 RH |
183 | |
184 | if (*s == '$') | |
2c382fb6 AM |
185 | { |
186 | ++s; | |
187 | ibase = 16; | |
188 | } | |
189 | yylval.integer = bfd_scan_vma (s, 0, ibase); | |
1579bae1 AM |
190 | yylval.bigint.str = NULL; |
191 | if (yytext[yyleng - 1] == 'M' | |
192 | || yytext[yyleng - 1] == 'm') | |
2c382fb6 AM |
193 | { |
194 | yylval.integer *= 1024 * 1024; | |
195 | } | |
1579bae1 AM |
196 | else if (yytext[yyleng - 1] == 'K' |
197 | || yytext[yyleng - 1]=='k') | |
2c382fb6 AM |
198 | { |
199 | yylval.integer *= 1024; | |
200 | } | |
201 | else if (yytext[0] == '0' | |
202 | && (yytext[1] == 'x' | |
203 | || yytext[1] == 'X')) | |
204 | { | |
205 | yylval.bigint.str = xstrdup (yytext + 2); | |
206 | } | |
252b5132 RH |
207 | return INT; |
208 | } | |
209 | <BOTH,SCRIPT,EXPRESSION,MRI>"]" { RTOKEN(']');} | |
210 | <BOTH,SCRIPT,EXPRESSION,MRI>"[" { RTOKEN('[');} | |
211 | <BOTH,SCRIPT,EXPRESSION,MRI>"<<=" { RTOKEN(LSHIFTEQ);} | |
212 | <BOTH,SCRIPT,EXPRESSION,MRI>">>=" { RTOKEN(RSHIFTEQ);} | |
213 | <BOTH,SCRIPT,EXPRESSION,MRI>"||" { RTOKEN(OROR);} | |
214 | <BOTH,SCRIPT,EXPRESSION,MRI>"==" { RTOKEN(EQ);} | |
215 | <BOTH,SCRIPT,EXPRESSION,MRI>"!=" { RTOKEN(NE);} | |
216 | <BOTH,SCRIPT,EXPRESSION,MRI>">=" { RTOKEN(GE);} | |
217 | <BOTH,SCRIPT,EXPRESSION,MRI>"<=" { RTOKEN(LE);} | |
218 | <BOTH,SCRIPT,EXPRESSION,MRI>"<<" { RTOKEN(LSHIFT);} | |
219 | <BOTH,SCRIPT,EXPRESSION,MRI>">>" { RTOKEN(RSHIFT);} | |
220 | <BOTH,SCRIPT,EXPRESSION,MRI>"+=" { RTOKEN(PLUSEQ);} | |
221 | <BOTH,SCRIPT,EXPRESSION,MRI>"-=" { RTOKEN(MINUSEQ);} | |
222 | <BOTH,SCRIPT,EXPRESSION,MRI>"*=" { RTOKEN(MULTEQ);} | |
223 | <BOTH,SCRIPT,EXPRESSION,MRI>"/=" { RTOKEN(DIVEQ);} | |
224 | <BOTH,SCRIPT,EXPRESSION,MRI>"&=" { RTOKEN(ANDEQ);} | |
225 | <BOTH,SCRIPT,EXPRESSION,MRI>"|=" { RTOKEN(OREQ);} | |
226 | <BOTH,SCRIPT,EXPRESSION,MRI>"&&" { RTOKEN(ANDAND);} | |
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('~');} | |
232 | <BOTH,SCRIPT,EXPRESSION,MRI>"!" { RTOKEN('!');} | |
233 | <BOTH,SCRIPT,EXPRESSION,MRI>"?" { RTOKEN('?');} | |
234 | <BOTH,SCRIPT,EXPRESSION,MRI>"*" { RTOKEN('*');} | |
235 | <BOTH,SCRIPT,EXPRESSION,MRI>"+" { RTOKEN('+');} | |
236 | <BOTH,SCRIPT,EXPRESSION,MRI>"-" { RTOKEN('-');} | |
237 | <BOTH,SCRIPT,EXPRESSION,MRI>"/" { RTOKEN('/');} | |
238 | <BOTH,SCRIPT,EXPRESSION,MRI>"%" { RTOKEN('%');} | |
239 | <BOTH,SCRIPT,EXPRESSION,MRI>"<" { RTOKEN('<');} | |
3ec57632 NC |
240 | <BOTH,SCRIPT,EXPRESSION,MRI>"=" { RTOKEN('=');} |
241 | <BOTH,SCRIPT,EXPRESSION,MRI>"}" { RTOKEN('}') ; } | |
242 | <BOTH,SCRIPT,EXPRESSION,MRI>"{" { RTOKEN('{'); } | |
243 | <BOTH,SCRIPT,EXPRESSION,MRI>")" { RTOKEN(')');} | |
244 | <BOTH,SCRIPT,EXPRESSION,MRI>"(" { RTOKEN('(');} | |
252b5132 RH |
245 | <BOTH,SCRIPT,EXPRESSION,MRI>":" { RTOKEN(':'); } |
246 | <BOTH,SCRIPT,EXPRESSION,MRI>";" { RTOKEN(';');} | |
3ec57632 NC |
247 | <BOTH,SCRIPT>"MEMORY" { RTOKEN(MEMORY);} |
248 | <BOTH,SCRIPT,EXPRESSION>"ORIGIN" { RTOKEN(ORIGIN);} | |
249 | <BOTH,SCRIPT>"VERSION" { RTOKEN(VERSIONK);} | |
252b5132 RH |
250 | <EXPRESSION,BOTH,SCRIPT>"BLOCK" { RTOKEN(BLOCK);} |
251 | <EXPRESSION,BOTH,SCRIPT>"BIND" { RTOKEN(BIND);} | |
3ec57632 NC |
252 | <BOTH,SCRIPT,EXPRESSION>"LENGTH" { RTOKEN(LENGTH);} |
253 | <EXPRESSION,BOTH,SCRIPT>"ALIGN" { RTOKEN(ALIGN_K);} | |
2d20f7bf | 254 | <EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_ALIGN" { RTOKEN(DATA_SEGMENT_ALIGN);} |
8c37241b | 255 | <EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_RELRO_END" { RTOKEN(DATA_SEGMENT_RELRO_END);} |
2d20f7bf | 256 | <EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_END" { RTOKEN(DATA_SEGMENT_END);} |
3ec57632 NC |
257 | <EXPRESSION,BOTH,SCRIPT>"ADDR" { RTOKEN(ADDR);} |
258 | <EXPRESSION,BOTH,SCRIPT>"LOADADDR" { RTOKEN(LOADADDR);} | |
252b5132 RH |
259 | <EXPRESSION,BOTH>"MAX" { RTOKEN(MAX_K); } |
260 | <EXPRESSION,BOTH>"MIN" { RTOKEN(MIN_K); } | |
261 | <EXPRESSION,BOTH>"ASSERT" { RTOKEN(ASSERT_K); } | |
262 | <BOTH,SCRIPT>"ENTRY" { RTOKEN(ENTRY);} | |
263 | <BOTH,SCRIPT,MRI>"EXTERN" { RTOKEN(EXTERN);} | |
3ec57632 | 264 | <EXPRESSION,BOTH,SCRIPT>"NEXT" { RTOKEN(NEXT);} |
252b5132 RH |
265 | <EXPRESSION,BOTH,SCRIPT>"sizeof_headers" { RTOKEN(SIZEOF_HEADERS);} |
266 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF_HEADERS" { RTOKEN(SIZEOF_HEADERS);} | |
ba916c8a | 267 | <EXPRESSION,BOTH,SCRIPT>"SEGMENT_START" { RTOKEN(SEGMENT_START);} |
252b5132 | 268 | <BOTH,SCRIPT>"MAP" { RTOKEN(MAP);} |
3ec57632 NC |
269 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF" { RTOKEN(SIZEOF);} |
270 | <BOTH,SCRIPT>"TARGET" { RTOKEN(TARGET_K);} | |
252b5132 | 271 | <BOTH,SCRIPT>"SEARCH_DIR" { RTOKEN(SEARCH_DIR);} |
3ec57632 | 272 | <BOTH,SCRIPT>"OUTPUT" { RTOKEN(OUTPUT);} |
252b5132 RH |
273 | <BOTH,SCRIPT>"INPUT" { RTOKEN(INPUT);} |
274 | <EXPRESSION,BOTH,SCRIPT>"GROUP" { RTOKEN(GROUP);} | |
b717d30e | 275 | <EXPRESSION,BOTH,SCRIPT>"AS_NEEDED" { RTOKEN(AS_NEEDED);} |
3ec57632 | 276 | <EXPRESSION,BOTH,SCRIPT>"DEFINED" { RTOKEN(DEFINED);} |
252b5132 RH |
277 | <BOTH,SCRIPT>"CREATE_OBJECT_SYMBOLS" { RTOKEN(CREATE_OBJECT_SYMBOLS);} |
278 | <BOTH,SCRIPT>"CONSTRUCTORS" { RTOKEN( CONSTRUCTORS);} | |
3ec57632 | 279 | <BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);} |
4818e05f | 280 | <BOTH,SCRIPT>"INHIBIT_COMMON_ALLOCATION" { RTOKEN(INHIBIT_COMMON_ALLOCATION);} |
3ec57632 | 281 | <BOTH,SCRIPT>"SECTIONS" { RTOKEN(SECTIONS);} |
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 RH |
295 | <EXPRESSION,BOTH,SCRIPT>"NOCROSSREFS" { RTOKEN(NOCROSSREFS);} |
296 | <BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY); } | |
bcaa7b3e L |
297 | <BOTH,SCRIPT>"SORT_BY_NAME" { RTOKEN(SORT_BY_NAME); } |
298 | <BOTH,SCRIPT>"SORT_BY_ALIGNMENT" { RTOKEN(SORT_BY_ALIGNMENT); } | |
299 | <BOTH,SCRIPT>"SORT" { RTOKEN(SORT_BY_NAME); } | |
252b5132 RH |
300 | <EXPRESSION,BOTH,SCRIPT>"NOLOAD" { RTOKEN(NOLOAD);} |
301 | <EXPRESSION,BOTH,SCRIPT>"DSECT" { RTOKEN(DSECT);} | |
302 | <EXPRESSION,BOTH,SCRIPT>"COPY" { RTOKEN(COPY);} | |
303 | <EXPRESSION,BOTH,SCRIPT>"INFO" { RTOKEN(INFO);} | |
304 | <EXPRESSION,BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY);} | |
0841712e JJ |
305 | <EXPRESSION,BOTH,SCRIPT>"ONLY_IF_RO" { RTOKEN(ONLY_IF_RO); } |
306 | <EXPRESSION,BOTH,SCRIPT>"ONLY_IF_RW" { RTOKEN(ONLY_IF_RW); } | |
0cf7d72c | 307 | <EXPRESSION,BOTH,SCRIPT>"SPECIAL" { RTOKEN(SPECIAL); } |
252b5132 RH |
308 | <BOTH,SCRIPT>"o" { RTOKEN(ORIGIN);} |
309 | <BOTH,SCRIPT>"org" { RTOKEN(ORIGIN);} | |
310 | <BOTH,SCRIPT>"l" { RTOKEN( LENGTH);} | |
311 | <BOTH,SCRIPT>"len" { RTOKEN( LENGTH);} | |
312 | <BOTH,SCRIPT>"INCLUDE" { RTOKEN(INCLUDE);} | |
313 | <BOTH,SCRIPT>"PHDRS" { RTOKEN (PHDRS); } | |
3ec57632 NC |
314 | <EXPRESSION,BOTH,SCRIPT>"AT" { RTOKEN(AT);} |
315 | <EXPRESSION,BOTH,SCRIPT>"SUBALIGN" { RTOKEN(SUBALIGN);} | |
316 | <EXPRESSION,BOTH,SCRIPT>"PROVIDE" { RTOKEN(PROVIDE); } | |
7af8e998 | 317 | <EXPRESSION,BOTH,SCRIPT>"PROVIDE_HIDDEN" { RTOKEN(PROVIDE_HIDDEN); } |
252b5132 | 318 | <EXPRESSION,BOTH,SCRIPT>"KEEP" { RTOKEN(KEEP); } |
3ec57632 | 319 | <EXPRESSION,BOTH,SCRIPT>"EXCLUDE_FILE" { RTOKEN(EXCLUDE_FILE); } |
24718e3b | 320 | <EXPRESSION,BOTH,SCRIPT>"CONSTANT" { RTOKEN(CONSTANT);} |
252b5132 RH |
321 | <MRI>"#".*\n? { ++ lineno; } |
322 | <MRI>"\n" { ++ lineno; RTOKEN(NEWLINE); } | |
323 | <MRI>"*".* { /* Mri comment line */ } | |
324 | <MRI>";".* { /* Mri comment line */ } | |
325 | <MRI>"END" { RTOKEN(ENDWORD); } | |
3ec57632 NC |
326 | <MRI>"ALIGNMOD" { RTOKEN(ALIGNMOD);} |
327 | <MRI>"ALIGN" { RTOKEN(ALIGN_K);} | |
252b5132 RH |
328 | <MRI>"CHIP" { RTOKEN(CHIP); } |
329 | <MRI>"BASE" { RTOKEN(BASE); } | |
3ec57632 NC |
330 | <MRI>"ALIAS" { RTOKEN(ALIAS); } |
331 | <MRI>"TRUNCATE" { RTOKEN(TRUNCATE); } | |
252b5132 RH |
332 | <MRI>"LOAD" { RTOKEN(LOAD); } |
333 | <MRI>"PUBLIC" { RTOKEN(PUBLIC); } | |
334 | <MRI>"ORDER" { RTOKEN(ORDER); } | |
335 | <MRI>"NAME" { RTOKEN(NAMEWORD); } | |
336 | <MRI>"FORMAT" { RTOKEN(FORMAT); } | |
337 | <MRI>"CASE" { RTOKEN(CASE); } | |
338 | <MRI>"START" { RTOKEN(START); } | |
339 | <MRI>"LIST".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } | |
340 | <MRI>"SECT" { RTOKEN(SECT); } | |
341 | <EXPRESSION,BOTH,SCRIPT,MRI>"ABSOLUTE" { RTOKEN(ABSOLUTE); } | |
342 | <MRI>"end" { RTOKEN(ENDWORD); } | |
3ec57632 NC |
343 | <MRI>"alignmod" { RTOKEN(ALIGNMOD);} |
344 | <MRI>"align" { RTOKEN(ALIGN_K);} | |
252b5132 RH |
345 | <MRI>"chip" { RTOKEN(CHIP); } |
346 | <MRI>"base" { RTOKEN(BASE); } | |
3ec57632 NC |
347 | <MRI>"alias" { RTOKEN(ALIAS); } |
348 | <MRI>"truncate" { RTOKEN(TRUNCATE); } | |
252b5132 RH |
349 | <MRI>"load" { RTOKEN(LOAD); } |
350 | <MRI>"public" { RTOKEN(PUBLIC); } | |
351 | <MRI>"order" { RTOKEN(ORDER); } | |
352 | <MRI>"name" { RTOKEN(NAMEWORD); } | |
353 | <MRI>"format" { RTOKEN(FORMAT); } | |
354 | <MRI>"case" { RTOKEN(CASE); } | |
355 | <MRI>"extern" { RTOKEN(EXTERN); } | |
356 | <MRI>"start" { RTOKEN(START); } | |
357 | <MRI>"list".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } | |
358 | <MRI>"sect" { RTOKEN(SECT); } | |
359 | <EXPRESSION,BOTH,SCRIPT,MRI>"absolute" { RTOKEN(ABSOLUTE); } | |
360 | ||
361 | <MRI>{FILENAMECHAR1}{NOCFILENAMECHAR}* { | |
362 | /* Filename without commas, needed to parse mri stuff */ | |
1579bae1 | 363 | yylval.name = xstrdup (yytext); |
252b5132 RH |
364 | return NAME; |
365 | } | |
366 | ||
367 | ||
368 | <BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}* { | |
1579bae1 | 369 | yylval.name = xstrdup (yytext); |
252b5132 RH |
370 | return NAME; |
371 | } | |
372 | <BOTH,EXPRESSION>"-l"{FILENAMECHAR}+ { | |
d1b2b2dc | 373 | yylval.name = xstrdup (yytext + 2); |
252b5132 RH |
374 | return LNAME; |
375 | } | |
376 | <SCRIPT>{WILDCHAR}* { | |
377 | /* Annoyingly, this pattern can match comments, and we have | |
378 | longest match issues to consider. So if the first two | |
379 | characters are a comment opening, put the input back and | |
380 | try again. */ | |
381 | if (yytext[0] == '/' && yytext[1] == '*') | |
382 | { | |
1579bae1 | 383 | yyless (2); |
252b5132 RH |
384 | comment (); |
385 | } | |
386 | else | |
387 | { | |
1579bae1 | 388 | yylval.name = xstrdup (yytext); |
252b5132 RH |
389 | return NAME; |
390 | } | |
391 | } | |
392 | ||
393 | <EXPRESSION,BOTH,SCRIPT,VERS_NODE>"\""[^\"]*"\"" { | |
394 | /* No matter the state, quotes | |
395 | give what's inside */ | |
1579bae1 AM |
396 | yylval.name = xstrdup (yytext + 1); |
397 | yylval.name[yyleng - 2] = 0; | |
252b5132 RH |
398 | return NAME; |
399 | } | |
400 | <BOTH,SCRIPT,EXPRESSION>"\n" { lineno++;} | |
401 | <MRI,BOTH,SCRIPT,EXPRESSION>[ \t\r]+ { } | |
402 | ||
403 | <VERS_NODE,VERS_SCRIPT>[:,;] { return *yytext; } | |
404 | ||
405 | <VERS_NODE>global { RTOKEN(GLOBAL); } | |
406 | ||
407 | <VERS_NODE>local { RTOKEN(LOCAL); } | |
408 | ||
409 | <VERS_NODE>extern { RTOKEN(EXTERN); } | |
410 | ||
d1b2b2dc | 411 | <VERS_NODE>{V_IDENTIFIER} { yylval.name = xstrdup (yytext); |
252b5132 RH |
412 | return VERS_IDENTIFIER; } |
413 | ||
d1b2b2dc | 414 | <VERS_SCRIPT>{V_TAG} { yylval.name = xstrdup (yytext); |
252b5132 RH |
415 | return VERS_TAG; } |
416 | ||
417 | <VERS_START>"{" { BEGIN(VERS_SCRIPT); return *yytext; } | |
418 | ||
1579bae1 | 419 | <VERS_SCRIPT>"{" { BEGIN(VERS_NODE); |
252b5132 RH |
420 | vers_node_nesting = 0; |
421 | return *yytext; | |
422 | } | |
423 | <VERS_SCRIPT>"}" { return *yytext; } | |
424 | <VERS_NODE>"{" { vers_node_nesting++; return *yytext; } | |
425 | <VERS_NODE>"}" { if (--vers_node_nesting < 0) | |
426 | BEGIN(VERS_SCRIPT); | |
427 | return *yytext; | |
428 | } | |
429 | ||
430 | <VERS_START,VERS_NODE,VERS_SCRIPT>[\n] { lineno++; } | |
431 | ||
432 | <VERS_START,VERS_NODE,VERS_SCRIPT>#.* { /* Eat up comments */ } | |
433 | ||
434 | <VERS_START,VERS_NODE,VERS_SCRIPT>[ \t\r]+ { /* Eat up whitespace */ } | |
435 | ||
436 | <<EOF>> { | |
437 | include_stack_ptr--; | |
1579bae1 AM |
438 | |
439 | if (include_stack_ptr == 0) | |
252b5132 | 440 | { |
1579bae1 | 441 | yyterminate (); |
252b5132 | 442 | } |
1579bae1 | 443 | else |
252b5132 | 444 | { |
1579bae1 | 445 | yy_switch_to_buffer (include_stack[include_stack_ptr]); |
252b5132 | 446 | } |
b47c4208 | 447 | |
252b5132 | 448 | ldfile_input_filename = file_name_stack[include_stack_ptr - 1]; |
b47c4208 | 449 | lineno = lineno_stack[include_stack_ptr]; |
252b5132 RH |
450 | |
451 | return END; | |
452 | } | |
453 | ||
1579bae1 AM |
454 | <SCRIPT,MRI,VERS_START,VERS_SCRIPT,VERS_NODE>. lex_warn_invalid (" in script", yytext); |
455 | <EXPRESSION,DEFSYMEXP,BOTH>. lex_warn_invalid (" in expression", yytext); | |
456 | ||
252b5132 RH |
457 | %% |
458 | \f | |
459 | ||
460 | /* Switch flex to reading script file NAME, open on FILE, | |
461 | saving the current input info on the include stack. */ | |
462 | ||
463 | void | |
1579bae1 | 464 | lex_push_file (FILE *file, const char *name) |
252b5132 | 465 | { |
1579bae1 | 466 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
252b5132 | 467 | { |
1579bae1 | 468 | einfo ("%F:includes nested too deeply\n"); |
252b5132 RH |
469 | } |
470 | file_name_stack[include_stack_ptr] = name; | |
b47c4208 | 471 | lineno_stack[include_stack_ptr] = lineno; |
252b5132 RH |
472 | include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; |
473 | ||
474 | include_stack_ptr++; | |
b47c4208 | 475 | lineno = 1; |
252b5132 | 476 | yyin = file; |
1579bae1 | 477 | yy_switch_to_buffer (yy_create_buffer (yyin, YY_BUF_SIZE)); |
252b5132 RH |
478 | } |
479 | ||
480 | /* Return a newly created flex input buffer containing STRING, | |
481 | which is SIZE bytes long. */ | |
482 | ||
1579bae1 AM |
483 | static YY_BUFFER_STATE |
484 | yy_create_string_buffer (const char *string, size_t size) | |
252b5132 RH |
485 | { |
486 | YY_BUFFER_STATE b; | |
487 | ||
488 | /* Calls to m-alloc get turned by sed into xm-alloc. */ | |
1579bae1 | 489 | b = malloc (sizeof (struct yy_buffer_state)); |
252b5132 RH |
490 | b->yy_input_file = 0; |
491 | b->yy_buf_size = size; | |
492 | ||
493 | /* yy_ch_buf has to be 2 characters longer than the size given because | |
494 | we need to put in 2 end-of-buffer characters. */ | |
1579bae1 | 495 | b->yy_ch_buf = malloc ((unsigned) (b->yy_buf_size + 3)); |
252b5132 RH |
496 | |
497 | b->yy_ch_buf[0] = '\n'; | |
498 | strcpy (b->yy_ch_buf+1, string); | |
499 | b->yy_ch_buf[size+1] = YY_END_OF_BUFFER_CHAR; | |
500 | b->yy_ch_buf[size+2] = YY_END_OF_BUFFER_CHAR; | |
501 | b->yy_n_chars = size+1; | |
502 | b->yy_buf_pos = &b->yy_ch_buf[1]; | |
503 | ||
dca7760f AM |
504 | b->yy_is_our_buffer = 1; |
505 | b->yy_is_interactive = 0; | |
506 | b->yy_at_bol = 1; | |
507 | b->yy_fill_buffer = 0; | |
508 | ||
252b5132 RH |
509 | /* flex 2.4.7 changed the interface. FIXME: We should not be using |
510 | a flex internal interface in the first place! */ | |
511 | #ifdef YY_BUFFER_NEW | |
512 | b->yy_buffer_status = YY_BUFFER_NEW; | |
513 | #else | |
514 | b->yy_eof_status = EOF_NOT_SEEN; | |
515 | #endif | |
516 | ||
517 | return b; | |
518 | } | |
519 | ||
520 | /* Switch flex to reading from STRING, saving the current input info | |
521 | on the include stack. */ | |
522 | ||
523 | void | |
1579bae1 | 524 | lex_redirect (const char *string) |
252b5132 RH |
525 | { |
526 | YY_BUFFER_STATE tmp; | |
527 | ||
528 | yy_init = 0; | |
1579bae1 | 529 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
252b5132 RH |
530 | { |
531 | einfo("%F: macros nested too deeply\n"); | |
532 | } | |
533 | file_name_stack[include_stack_ptr] = "redirect"; | |
b47c4208 | 534 | lineno_stack[include_stack_ptr] = lineno; |
252b5132 RH |
535 | include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; |
536 | include_stack_ptr++; | |
b47c4208 | 537 | lineno = 1; |
252b5132 RH |
538 | tmp = yy_create_string_buffer (string, strlen (string)); |
539 | yy_switch_to_buffer (tmp); | |
252b5132 RH |
540 | } |
541 | \f | |
542 | /* Functions to switch to a different flex start condition, | |
543 | saving the current start condition on `state_stack'. */ | |
544 | ||
545 | static int state_stack[MAX_INCLUDE_DEPTH * 2]; | |
546 | static int *state_stack_p = state_stack; | |
547 | ||
548 | void | |
1579bae1 | 549 | ldlex_script (void) |
252b5132 RH |
550 | { |
551 | *(state_stack_p)++ = yy_start; | |
552 | BEGIN (SCRIPT); | |
553 | } | |
554 | ||
555 | void | |
1579bae1 | 556 | ldlex_mri_script (void) |
252b5132 RH |
557 | { |
558 | *(state_stack_p)++ = yy_start; | |
559 | BEGIN (MRI); | |
560 | } | |
561 | ||
562 | void | |
1579bae1 | 563 | ldlex_version_script (void) |
252b5132 RH |
564 | { |
565 | *(state_stack_p)++ = yy_start; | |
566 | BEGIN (VERS_START); | |
567 | } | |
568 | ||
569 | void | |
1579bae1 | 570 | ldlex_version_file (void) |
252b5132 RH |
571 | { |
572 | *(state_stack_p)++ = yy_start; | |
573 | BEGIN (VERS_SCRIPT); | |
574 | } | |
575 | ||
576 | void | |
1579bae1 | 577 | ldlex_defsym (void) |
252b5132 RH |
578 | { |
579 | *(state_stack_p)++ = yy_start; | |
580 | BEGIN (DEFSYMEXP); | |
581 | } | |
1579bae1 | 582 | |
252b5132 | 583 | void |
1579bae1 | 584 | ldlex_expression (void) |
252b5132 RH |
585 | { |
586 | *(state_stack_p)++ = yy_start; | |
587 | BEGIN (EXPRESSION); | |
588 | } | |
589 | ||
590 | void | |
1579bae1 | 591 | ldlex_both (void) |
252b5132 RH |
592 | { |
593 | *(state_stack_p)++ = yy_start; | |
594 | BEGIN (BOTH); | |
595 | } | |
596 | ||
597 | void | |
1579bae1 | 598 | ldlex_popstate (void) |
252b5132 RH |
599 | { |
600 | yy_start = *(--state_stack_p); | |
601 | } | |
602 | \f | |
603 | ||
604 | /* Place up to MAX_SIZE characters in BUF and return in *RESULT | |
605 | either the number of characters read, or 0 to indicate EOF. */ | |
606 | ||
607 | static void | |
1579bae1 | 608 | yy_input (char *buf, int *result, int max_size) |
252b5132 | 609 | { |
1579bae1 | 610 | *result = 0; |
731e28d8 | 611 | if (YY_CURRENT_BUFFER->yy_input_file) |
252b5132 RH |
612 | { |
613 | if (yyin) | |
614 | { | |
1579bae1 AM |
615 | *result = fread (buf, 1, max_size, yyin); |
616 | if (*result < max_size && ferror (yyin)) | |
252b5132 RH |
617 | einfo ("%F%P: read in flex scanner failed\n"); |
618 | } | |
619 | } | |
620 | } | |
621 | ||
622 | /* Eat the rest of a C-style comment. */ | |
623 | ||
624 | static void | |
1579bae1 | 625 | comment (void) |
252b5132 RH |
626 | { |
627 | int c; | |
628 | ||
629 | while (1) | |
630 | { | |
631 | c = input(); | |
1579bae1 | 632 | while (c != '*' && c != EOF) |
252b5132 RH |
633 | { |
634 | if (c == '\n') | |
635 | lineno++; | |
636 | c = input(); | |
637 | } | |
638 | ||
639 | if (c == '*') | |
640 | { | |
641 | c = input(); | |
642 | while (c == '*') | |
643 | c = input(); | |
644 | if (c == '/') | |
645 | break; /* found the end */ | |
646 | } | |
647 | ||
648 | if (c == '\n') | |
649 | lineno++; | |
650 | ||
651 | if (c == EOF) | |
652 | { | |
653 | einfo( "%F%P: EOF in comment\n"); | |
654 | break; | |
655 | } | |
656 | } | |
657 | } | |
658 | ||
659 | /* Warn the user about a garbage character WHAT in the input | |
660 | in context WHERE. */ | |
661 | ||
662 | static void | |
1579bae1 | 663 | lex_warn_invalid (char *where, char *what) |
252b5132 RH |
664 | { |
665 | char buf[5]; | |
666 | ||
667 | /* If we have found an input file whose format we do not recognize, | |
668 | and we are therefore treating it as a linker script, and we find | |
669 | an invalid character, then most likely this is a real object file | |
670 | of some different format. Treat it as such. */ | |
671 | if (ldfile_assumed_script) | |
672 | { | |
673 | bfd_set_error (bfd_error_file_not_recognized); | |
674 | einfo ("%F%s: file not recognized: %E\n", ldfile_input_filename); | |
675 | } | |
676 | ||
3882b010 | 677 | if (! ISPRINT (*what)) |
252b5132 RH |
678 | { |
679 | sprintf (buf, "\\%03o", (unsigned int) *what); | |
680 | what = buf; | |
681 | } | |
682 | ||
683 | einfo ("%P:%S: ignoring invalid character `%s'%s\n", what, where); | |
684 | } |