]>
Commit | Line | Data |
---|---|---|
2fa0b342 | 1 | %{ |
0d3e45ea | 2 | |
86bc0974 | 3 | /* Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc. |
2fa0b342 DHW |
4 | |
5 | This file is part of GLD, the Gnu Linker. | |
6 | ||
7 | GLD is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
2e2bf962 | 9 | the Free Software Foundation; either version 2, or (at your option) |
2fa0b342 DHW |
10 | any later version. |
11 | ||
12 | GLD is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GLD; see the file COPYING. If not, write to | |
86bc0974 | 19 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
2fa0b342 DHW |
20 | |
21 | /* | |
9d1fe8a4 SC |
22 | This was written by steve chamberlain |
23 | [email protected] | |
2fa0b342 DHW |
24 | */ |
25 | ||
26 | ||
9d1fe8a4 | 27 | #include <ansidecl.h> |
fcf276c4 | 28 | #include <stdio.h> |
86bc0974 ILT |
29 | #include <ctype.h> |
30 | ||
b5b2c886 SS |
31 | #ifdef MPW |
32 | /* Prevent enum redefinition problems. */ | |
33 | #define TRUE_FALSE_ALREADY_DEFINED | |
34 | #endif /* MPW */ | |
86bc0974 | 35 | |
a02945df | 36 | #include "bfd.h" |
c477527c | 37 | #include "sysdep.h" |
fcf276c4 | 38 | #include "ld.h" |
9d1fe8a4 | 39 | #include "ldgram.h" |
fcf276c4 ILT |
40 | #include "ldmisc.h" |
41 | #include "ldexp.h" | |
42 | #include "ldlang.h" | |
43 | #include "ldfile.h" | |
9f629407 | 44 | #include "ldlex.h" |
fb55f9b8 | 45 | #include "ldmain.h" |
2fa0b342 | 46 | |
d4e5e3c3 DM |
47 | /* The type of top-level parser input. |
48 | yylex and yyparse (indirectly) both check this. */ | |
49 | input_type parser_input; | |
2fa0b342 | 50 | |
d4e5e3c3 | 51 | /* Radix to use for bfd_scan_vma -- 0 (default to base 10) or 16. */ |
9d1fe8a4 | 52 | int hex_mode; |
2e2bf962 | 53 | |
d4e5e3c3 DM |
54 | /* Line number in the current input file. |
55 | (FIXME Actually, it doesn't appear to get reset for each file?) */ | |
dc4726c2 | 56 | unsigned int lineno = 1; |
d4e5e3c3 | 57 | |
86bc0974 ILT |
58 | /* The string we are currently lexing, or NULL if we are reading a |
59 | file. */ | |
60 | const char *lex_string = NULL; | |
61 | ||
d4e5e3c3 DM |
62 | /* Support for flex reading from more than one input file (stream). |
63 | `include_stack' is flex's input state for each open file; | |
86bc0974 ILT |
64 | `file_name_stack' is the file names. `lineno_stack' is the current |
65 | line numbers. | |
d4e5e3c3 DM |
66 | |
67 | If `include_stack_ptr' is 0, we haven't started reading anything yet. | |
68 | Otherwise, stack elements 0 through `include_stack_ptr - 1' are valid. */ | |
1d45ccb3 | 69 | |
9d1fe8a4 SC |
70 | #undef YY_INPUT |
71 | #define YY_INPUT(buf,result,max_size) yy_input(buf, &result, max_size) | |
d4e5e3c3 | 72 | |
9d1fe8a4 | 73 | #define MAX_INCLUDE_DEPTH 10 |
d4e5e3c3 | 74 | static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH]; |
86bc0974 ILT |
75 | static const char *file_name_stack[MAX_INCLUDE_DEPTH]; |
76 | static unsigned int lineno_stack[MAX_INCLUDE_DEPTH]; | |
d4e5e3c3 | 77 | static unsigned int include_stack_ptr = 0; |
2fa0b342 | 78 | |
fcf276c4 | 79 | static YY_BUFFER_STATE yy_create_string_buffer PARAMS ((const char *string, |
d4e5e3c3 | 80 | size_t size)); |
fcf276c4 | 81 | static void yy_input PARAMS ((char *, int *result, int max_size)); |
d4e5e3c3 | 82 | |
fcf276c4 | 83 | static void comment PARAMS ((void)); |
fb55f9b8 | 84 | static void lex_warn_invalid PARAMS ((char *where, char *what)); |
2fa0b342 | 85 | |
3d2b83ea | 86 | /* STATES |
fb55f9b8 DM |
87 | EXPRESSION definitely in an expression |
88 | SCRIPT definitely in a script | |
89 | BOTH either EXPRESSION or SCRIPT | |
90 | DEFSYMEXP in an argument to -defsym | |
3d2b83ea | 91 | MRI in an MRI script |
9d1fe8a4 | 92 | */ |
2fa0b342 | 93 | #define RTOKEN(x) { yylval.token = x; return x; } |
d4e5e3c3 DM |
94 | |
95 | /* Some versions of flex want this. */ | |
96 | #ifndef yywrap | |
97 | int yywrap () { return 1; } | |
98 | #endif | |
9d1fe8a4 | 99 | %} |
2fa0b342 | 100 | |
9d1fe8a4 SC |
101 | %a 4000 |
102 | %o 5000 | |
ee0c4cf7 | 103 | |
6bf2e3a7 SC |
104 | CMDFILENAMECHAR [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\-\~] |
105 | CMDFILENAMECHAR1 [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\~] | |
106 | FILENAMECHAR1 [_a-zA-Z\/\.\\\$\_\~] | |
0d3e45ea | 107 | SYMBOLCHARN [_a-zA-Z\/\.\\0-9] |
6bf2e3a7 | 108 | FILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~] |
86bc0974 | 109 | WILDCHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~\?\*] |
31ddb156 | 110 | WHITE [ \t\n\r]+ |
2fa0b342 | 111 | |
85e38cfa SC |
112 | NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~] |
113 | ||
114 | ||
91e25b4f PB |
115 | %s SCRIPT |
116 | %s EXPRESSION | |
91e25b4f PB |
117 | %s BOTH |
118 | %s DEFSYMEXP | |
119 | %s MRI | |
9d1fe8a4 | 120 | %% |
91e25b4f | 121 | |
d4e5e3c3 DM |
122 | if (parser_input != input_selected) |
123 | { | |
124 | /* The first token of the input determines the initial parser state. */ | |
125 | input_type t = parser_input; | |
126 | parser_input = input_selected; | |
31ddb156 ILT |
127 | switch (t) |
128 | { | |
129 | case input_script: return INPUT_SCRIPT; break; | |
130 | case input_mri_script: return INPUT_MRI_SCRIPT; break; | |
131 | case input_defsym: return INPUT_DEFSYM; break; | |
132 | default: abort (); | |
133 | } | |
d4e5e3c3 | 134 | } |
6bf2e3a7 | 135 | |
d4e5e3c3 | 136 | <BOTH,SCRIPT,EXPRESSION>"/*" { comment(); } |
6bf2e3a7 SC |
137 | |
138 | ||
0d3e45ea SC |
139 | <DEFSYMEXP>"-" { RTOKEN('-');} |
140 | <DEFSYMEXP>"+" { RTOKEN('+');} | |
141 | <DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}* { yylval.name = buystring(yytext); return NAME; } | |
0d3e45ea | 142 | <DEFSYMEXP>"=" { RTOKEN('='); } |
2a28d8b0 | 143 | |
3d2b83ea | 144 | <MRI,EXPRESSION>"$"([0-9A-Fa-f])+ { |
f651733a | 145 | yylval.integer = bfd_scan_vma (yytext+1, 0,16); |
3d2b83ea SC |
146 | return INT; |
147 | } | |
148 | ||
86bc0974 | 149 | <MRI,EXPRESSION>([0-9A-Fa-f])+(H|h|X|x|B|b|O|o|D|d) { |
9f629407 | 150 | int ibase ; |
3d2b83ea SC |
151 | switch (yytext[yyleng-1]) { |
152 | case 'X': | |
86bc0974 | 153 | case 'x': |
3d2b83ea | 154 | case 'H': |
86bc0974 | 155 | case 'h': |
9f629407 | 156 | ibase = 16; |
3d2b83ea SC |
157 | break; |
158 | case 'O': | |
86bc0974 | 159 | case 'o': |
9f629407 | 160 | ibase = 8; |
3d2b83ea SC |
161 | break; |
162 | case 'B': | |
86bc0974 | 163 | case 'b': |
9f629407 | 164 | ibase = 2; |
3d2b83ea SC |
165 | break; |
166 | default: | |
9f629407 | 167 | ibase = 10; |
3d2b83ea | 168 | } |
86bc0974 | 169 | yylval.integer = bfd_scan_vma (yytext, 0, |
9f629407 | 170 | ibase); |
3d2b83ea SC |
171 | return INT; |
172 | } | |
9fce28ed | 173 | <SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>"$"?"0x"?([0-9A-Fa-f])+(M|K|m|k)? { |
f651733a ILT |
174 | yylval.integer = bfd_scan_vma (yytext, 0, |
175 | hex_mode); | |
9d1fe8a4 SC |
176 | if (yytext[yyleng-1]=='M' |
177 | || yytext[yyleng-1] == 'm') { | |
178 | yylval.integer *= 1024*1024; | |
179 | } | |
180 | if (yytext[yyleng-1]=='K' | |
181 | || yytext[yyleng-1]=='k') { | |
182 | yylval.integer *= 1024; | |
183 | } | |
184 | return INT; | |
185 | } | |
86bc0974 ILT |
186 | <BOTH,SCRIPT,EXPRESSION,MRI>"]" { RTOKEN(']');} |
187 | <BOTH,SCRIPT,EXPRESSION,MRI>"[" { RTOKEN('[');} | |
188 | <BOTH,SCRIPT,EXPRESSION,MRI>"<<=" { RTOKEN(LSHIFTEQ);} | |
189 | <BOTH,SCRIPT,EXPRESSION,MRI>">>=" { RTOKEN(RSHIFTEQ);} | |
190 | <BOTH,SCRIPT,EXPRESSION,MRI>"||" { RTOKEN(OROR);} | |
191 | <BOTH,SCRIPT,EXPRESSION,MRI>"==" { RTOKEN(EQ);} | |
192 | <BOTH,SCRIPT,EXPRESSION,MRI>"!=" { RTOKEN(NE);} | |
193 | <BOTH,SCRIPT,EXPRESSION,MRI>">=" { RTOKEN(GE);} | |
194 | <BOTH,SCRIPT,EXPRESSION,MRI>"<=" { RTOKEN(LE);} | |
195 | <BOTH,SCRIPT,EXPRESSION,MRI>"<<" { RTOKEN(LSHIFT);} | |
196 | <BOTH,SCRIPT,EXPRESSION,MRI>">>" { RTOKEN(RSHIFT);} | |
197 | <BOTH,SCRIPT,EXPRESSION,MRI>"+=" { RTOKEN(PLUSEQ);} | |
198 | <BOTH,SCRIPT,EXPRESSION,MRI>"-=" { RTOKEN(MINUSEQ);} | |
199 | <BOTH,SCRIPT,EXPRESSION,MRI>"*=" { RTOKEN(MULTEQ);} | |
200 | <BOTH,SCRIPT,EXPRESSION,MRI>"/=" { RTOKEN(DIVEQ);} | |
201 | <BOTH,SCRIPT,EXPRESSION,MRI>"&=" { RTOKEN(ANDEQ);} | |
202 | <BOTH,SCRIPT,EXPRESSION,MRI>"|=" { RTOKEN(OREQ);} | |
203 | <BOTH,SCRIPT,EXPRESSION,MRI>"&&" { RTOKEN(ANDAND);} | |
204 | <BOTH,SCRIPT,EXPRESSION,MRI>">" { RTOKEN('>');} | |
205 | <BOTH,SCRIPT,EXPRESSION,MRI>"," { RTOKEN(',');} | |
206 | <BOTH,SCRIPT,EXPRESSION,MRI>"&" { RTOKEN('&');} | |
207 | <BOTH,SCRIPT,EXPRESSION,MRI>"|" { RTOKEN('|');} | |
208 | <BOTH,SCRIPT,EXPRESSION,MRI>"~" { RTOKEN('~');} | |
209 | <BOTH,SCRIPT,EXPRESSION,MRI>"!" { RTOKEN('!');} | |
210 | <BOTH,SCRIPT,EXPRESSION,MRI>"?" { RTOKEN('?');} | |
211 | <BOTH,SCRIPT,EXPRESSION,MRI>"*" { RTOKEN('*');} | |
212 | <BOTH,SCRIPT,EXPRESSION,MRI>"+" { RTOKEN('+');} | |
213 | <BOTH,SCRIPT,EXPRESSION,MRI>"-" { RTOKEN('-');} | |
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(';');} | |
9d1fe8a4 SC |
224 | <BOTH,SCRIPT>"MEMORY" { RTOKEN(MEMORY);} |
225 | <BOTH,SCRIPT>"ORIGIN" { RTOKEN(ORIGIN);} | |
86bc0974 ILT |
226 | <EXPRESSION,BOTH,SCRIPT>"BLOCK" { RTOKEN(BLOCK);} |
227 | <EXPRESSION,BOTH,SCRIPT>"BIND" { RTOKEN(BIND);} | |
9d1fe8a4 SC |
228 | <BOTH,SCRIPT>"LENGTH" { RTOKEN(LENGTH);} |
229 | <EXPRESSION,BOTH,SCRIPT>"ALIGN" { RTOKEN(ALIGN_K);} | |
230 | <EXPRESSION,BOTH,SCRIPT>"ADDR" { RTOKEN(ADDR);} | |
231 | <BOTH,SCRIPT>"ENTRY" { RTOKEN(ENTRY);} | |
232 | <EXPRESSION,BOTH,SCRIPT>"NEXT" { RTOKEN(NEXT);} | |
233 | <EXPRESSION,BOTH,SCRIPT>"sizeof_headers" { RTOKEN(SIZEOF_HEADERS);} | |
234 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF_HEADERS" { RTOKEN(SIZEOF_HEADERS);} | |
235 | <BOTH,SCRIPT>"MAP" { RTOKEN(MAP);} | |
236 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF" { RTOKEN(SIZEOF);} | |
237 | <BOTH,SCRIPT>"TARGET" { RTOKEN(TARGET_K);} | |
238 | <BOTH,SCRIPT>"SEARCH_DIR" { RTOKEN(SEARCH_DIR);} | |
239 | <BOTH,SCRIPT>"OUTPUT" { RTOKEN(OUTPUT);} | |
240 | <BOTH,SCRIPT>"INPUT" { RTOKEN(INPUT);} | |
86bc0974 | 241 | <EXPRESSION,BOTH,SCRIPT>"GROUP" { RTOKEN(GROUP);} |
dadd414a | 242 | <EXPRESSION,BOTH,SCRIPT>"DEFINED" { RTOKEN(DEFINED);} |
9d1fe8a4 SC |
243 | <BOTH,SCRIPT>"CREATE_OBJECT_SYMBOLS" { RTOKEN(CREATE_OBJECT_SYMBOLS);} |
244 | <BOTH,SCRIPT>"CONSTRUCTORS" { RTOKEN( CONSTRUCTORS);} | |
245 | <BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);} | |
246 | <BOTH,SCRIPT>"SECTIONS" { RTOKEN(SECTIONS);} | |
247 | <BOTH,SCRIPT>"FILL" { RTOKEN(FILL);} | |
248 | <BOTH,SCRIPT>"STARTUP" { RTOKEN(STARTUP);} | |
249 | <BOTH,SCRIPT>"OUTPUT_FORMAT" { RTOKEN(OUTPUT_FORMAT);} | |
250 | <BOTH,SCRIPT>"OUTPUT_ARCH" { RTOKEN( OUTPUT_ARCH);} | |
251 | <BOTH,SCRIPT>"HLL" { RTOKEN(HLL);} | |
252 | <BOTH,SCRIPT>"SYSLIB" { RTOKEN(SYSLIB);} | |
253 | <BOTH,SCRIPT>"FLOAT" { RTOKEN(FLOAT);} | |
c477527c | 254 | <BOTH,SCRIPT>"QUAD" { RTOKEN( QUAD);} |
9d1fe8a4 SC |
255 | <BOTH,SCRIPT>"LONG" { RTOKEN( LONG);} |
256 | <BOTH,SCRIPT>"SHORT" { RTOKEN( SHORT);} | |
257 | <BOTH,SCRIPT>"BYTE" { RTOKEN( BYTE);} | |
258 | <BOTH,SCRIPT>"NOFLOAT" { RTOKEN(NOFLOAT);} | |
86bc0974 ILT |
259 | <EXPRESSION,BOTH,SCRIPT>"NOLOAD" { RTOKEN(NOLOAD);} |
260 | <EXPRESSION,BOTH,SCRIPT>"DSECT" { RTOKEN(DSECT);} | |
261 | <EXPRESSION,BOTH,SCRIPT>"COPY" { RTOKEN(COPY);} | |
262 | <EXPRESSION,BOTH,SCRIPT>"INFO" { RTOKEN(INFO);} | |
263 | <EXPRESSION,BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY);} | |
9d1fe8a4 SC |
264 | <BOTH,SCRIPT>"o" { RTOKEN(ORIGIN);} |
265 | <BOTH,SCRIPT>"org" { RTOKEN(ORIGIN);} | |
266 | <BOTH,SCRIPT>"l" { RTOKEN( LENGTH);} | |
267 | <BOTH,SCRIPT>"len" { RTOKEN( LENGTH);} | |
dadd414a | 268 | <BOTH,SCRIPT>"INCLUDE" { RTOKEN(INCLUDE);} |
86bc0974 | 269 | <BOTH,SCRIPT>"PHDRS" { RTOKEN (PHDRS); } |
9fce28ed | 270 | <EXPRESSION,BOTH,SCRIPT>"AT" { RTOKEN(AT);} |
86bc0974 ILT |
271 | <EXPRESSION,BOTH,SCRIPT>"PROVIDE" { RTOKEN(PROVIDE); } |
272 | <MRI>"#".*\n?\r? { ++ lineno; } | |
2e38b71d | 273 | <MRI>"\n" { ++ lineno; RTOKEN(NEWLINE); } |
31ddb156 | 274 | <MRI>"\r" { ++ lineno; RTOKEN(NEWLINE); } |
91e25b4f | 275 | <MRI>"*".* { /* Mri comment line */ } |
86bc0974 | 276 | <MRI>";".* { /* Mri comment line */ } |
2e38b71d | 277 | <MRI>"END" { RTOKEN(ENDWORD); } |
85e38cfa SC |
278 | <MRI>"ALIGNMOD" { RTOKEN(ALIGNMOD);} |
279 | <MRI>"ALIGN" { RTOKEN(ALIGN_K);} | |
3d2b83ea | 280 | <MRI>"CHIP" { RTOKEN(CHIP); } |
91e25b4f PB |
281 | <MRI>"BASE" { RTOKEN(BASE); } |
282 | <MRI>"ALIAS" { RTOKEN(ALIAS); } | |
85e38cfa | 283 | <MRI>"TRUNCATE" { RTOKEN(TRUNCATE); } |
3d2b83ea | 284 | <MRI>"LOAD" { RTOKEN(LOAD); } |
91e25b4f | 285 | <MRI>"PUBLIC" { RTOKEN(PUBLIC); } |
2e38b71d SC |
286 | <MRI>"ORDER" { RTOKEN(ORDER); } |
287 | <MRI>"NAME" { RTOKEN(NAMEWORD); } | |
288 | <MRI>"FORMAT" { RTOKEN(FORMAT); } | |
86bc0974 ILT |
289 | <MRI>"CASE" { RTOKEN(CASE); } |
290 | <MRI>"EXTERN" { RTOKEN(EXTERN); } | |
291 | <MRI>"START" { RTOKEN(START); } | |
2e38b71d | 292 | <MRI>"LIST".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } |
3d2b83ea | 293 | <MRI>"SECT" { RTOKEN(SECT); } |
6bf2e3a7 | 294 | <EXPRESSION,BOTH,SCRIPT,MRI>"ABSOLUTE" { RTOKEN(ABSOLUTE); } |
1bd1fa2d | 295 | <MRI>"end" { RTOKEN(ENDWORD); } |
86bc0974 ILT |
296 | <MRI>"alignmod" { RTOKEN(ALIGNMOD);} |
297 | <MRI>"align" { RTOKEN(ALIGN_K);} | |
1bd1fa2d | 298 | <MRI>"chip" { RTOKEN(CHIP); } |
86bc0974 ILT |
299 | <MRI>"base" { RTOKEN(BASE); } |
300 | <MRI>"alias" { RTOKEN(ALIAS); } | |
301 | <MRI>"truncate" { RTOKEN(TRUNCATE); } | |
1bd1fa2d | 302 | <MRI>"load" { RTOKEN(LOAD); } |
86bc0974 | 303 | <MRI>"public" { RTOKEN(PUBLIC); } |
1bd1fa2d SC |
304 | <MRI>"order" { RTOKEN(ORDER); } |
305 | <MRI>"name" { RTOKEN(NAMEWORD); } | |
306 | <MRI>"format" { RTOKEN(FORMAT); } | |
86bc0974 ILT |
307 | <MRI>"case" { RTOKEN(CASE); } |
308 | <MRI>"extern" { RTOKEN(EXTERN); } | |
309 | <MRI>"start" { RTOKEN(START); } | |
1bd1fa2d SC |
310 | <MRI>"list".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } |
311 | <MRI>"sect" { RTOKEN(SECT); } | |
6bf2e3a7 | 312 | <EXPRESSION,BOTH,SCRIPT,MRI>"absolute" { RTOKEN(ABSOLUTE); } |
3d2b83ea | 313 | |
85e38cfa SC |
314 | <MRI>{FILENAMECHAR1}{NOCFILENAMECHAR}* { |
315 | /* Filename without commas, needed to parse mri stuff */ | |
316 | yylval.name = buystring(yytext); | |
317 | return NAME; | |
318 | } | |
319 | ||
320 | ||
321 | <BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}* { | |
9d1fe8a4 SC |
322 | yylval.name = buystring(yytext); |
323 | return NAME; | |
324 | } | |
86bc0974 ILT |
325 | <BOTH,EXPRESSION>"-l"{FILENAMECHAR}+ { |
326 | yylval.name = buystring (yytext + 2); | |
327 | return LNAME; | |
9d1fe8a4 | 328 | } |
86bc0974 | 329 | <SCRIPT>{WILDCHAR}* { yylval.name = buystring(yytext); return NAME; } |
9d1fe8a4 | 330 | |
d4e5e3c3 | 331 | <EXPRESSION,BOTH,SCRIPT>"\""[^\"]*"\"" { |
9d1fe8a4 SC |
332 | /* No matter the state, quotes |
333 | give what's inside */ | |
334 | yylval.name = buystring(yytext+1); | |
335 | yylval.name[yyleng-2] = 0; | |
336 | return NAME; | |
337 | } | |
338 | <BOTH,SCRIPT,EXPRESSION>"\n" { lineno++;} | |
31ddb156 | 339 | <BOTH,SCRIPT,EXPRESSION>"\r" { lineno++;} |
d4e5e3c3 | 340 | <MRI,BOTH,SCRIPT,EXPRESSION>[ \t] |
9d1fe8a4 | 341 | |
9d1fe8a4 | 342 | <<EOF>> { |
dadd414a | 343 | include_stack_ptr--; |
9d1fe8a4 | 344 | |
dadd414a SC |
345 | if (include_stack_ptr == 0) |
346 | { | |
347 | yyterminate(); | |
348 | } | |
349 | else | |
350 | { | |
351 | yy_switch_to_buffer(include_stack[include_stack_ptr]); | |
352 | ||
353 | } | |
d4e5e3c3 | 354 | BEGIN(SCRIPT); |
86bc0974 ILT |
355 | ldfile_input_filename = file_name_stack[include_stack_ptr - 1]; |
356 | lineno = lineno_stack[include_stack_ptr - 1]; | |
dadd414a SC |
357 | |
358 | return END; | |
359 | } | |
fb55f9b8 | 360 | |
fb55f9b8 DM |
361 | <SCRIPT,MRI>. lex_warn_invalid(" in script", yytext); |
362 | <EXPRESSION,DEFSYMEXP,BOTH>. lex_warn_invalid(" in expression", yytext); | |
9d1fe8a4 | 363 | |
9d1fe8a4 | 364 | %% |
d4e5e3c3 DM |
365 | \f |
366 | ||
367 | /* Switch flex to reading script file NAME, open on FILE, | |
368 | saving the current input info on the include stack. */ | |
2fa0b342 DHW |
369 | |
370 | void | |
8ddef552 DM |
371 | lex_push_file (file, name) |
372 | FILE *file; | |
86bc0974 | 373 | const char *name; |
2fa0b342 | 374 | { |
9d1fe8a4 | 375 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
d4e5e3c3 DM |
376 | { |
377 | einfo("%F:includes nested too deeply\n"); | |
378 | } | |
dadd414a | 379 | file_name_stack[include_stack_ptr] = name; |
86bc0974 | 380 | lineno_stack[include_stack_ptr] = 1; |
dadd414a SC |
381 | include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; |
382 | ||
383 | include_stack_ptr++; | |
9d1fe8a4 SC |
384 | yyin = file; |
385 | yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); | |
d4e5e3c3 | 386 | BEGIN (SCRIPT); |
2fa0b342 DHW |
387 | } |
388 | ||
d4e5e3c3 DM |
389 | /* Return a newly created flex input buffer containing STRING, |
390 | which is SIZE bytes long. */ | |
391 | ||
fcf276c4 | 392 | static YY_BUFFER_STATE |
d4e5e3c3 | 393 | yy_create_string_buffer (string, size) |
8ddef552 | 394 | CONST char *string; |
d4e5e3c3 | 395 | size_t size; |
2fa0b342 | 396 | { |
9d1fe8a4 | 397 | YY_BUFFER_STATE b; |
2fa0b342 | 398 | |
d4e5e3c3 DM |
399 | /* Calls to m-alloc get turned by sed into xm-alloc. */ |
400 | b = (YY_BUFFER_STATE) malloc (sizeof (struct yy_buffer_state)); | |
9d1fe8a4 | 401 | b->yy_input_file = 0; |
9d1fe8a4 | 402 | b->yy_buf_size = size; |
2fa0b342 | 403 | |
9d1fe8a4 | 404 | /* yy_ch_buf has to be 2 characters longer than the size given because |
d4e5e3c3 | 405 | we need to put in 2 end-of-buffer characters. */ |
86bc0974 | 406 | b->yy_ch_buf = (char *) malloc ((unsigned) (b->yy_buf_size + 3)); |
2fa0b342 | 407 | |
9d1fe8a4 | 408 | b->yy_ch_buf[0] = '\n'; |
d4e5e3c3 | 409 | strcpy (b->yy_ch_buf+1, string); |
9d1fe8a4 SC |
410 | b->yy_ch_buf[size+1] = YY_END_OF_BUFFER_CHAR; |
411 | b->yy_ch_buf[size+2] = YY_END_OF_BUFFER_CHAR; | |
d4e5e3c3 | 412 | b->yy_n_chars = size+1; |
9d1fe8a4 | 413 | b->yy_buf_pos = &b->yy_ch_buf[1]; |
86bc0974 ILT |
414 | |
415 | /* flex 2.4.7 changed the interface. FIXME: We should not be using | |
416 | a flex internal interface in the first place! */ | |
417 | #ifdef YY_BUFFER_NEW | |
418 | b->yy_buffer_status = YY_BUFFER_NEW; | |
419 | #else | |
9d1fe8a4 | 420 | b->yy_eof_status = EOF_NOT_SEEN; |
86bc0974 | 421 | #endif |
2fa0b342 | 422 | |
d4e5e3c3 | 423 | return b; |
2fa0b342 | 424 | } |
2fa0b342 | 425 | |
d4e5e3c3 DM |
426 | /* Switch flex to reading from STRING, saving the current input info |
427 | on the include stack. */ | |
1418c83b | 428 | |
9d1fe8a4 | 429 | void |
8ddef552 | 430 | lex_redirect (string) |
d4e5e3c3 | 431 | CONST char *string; |
9d1fe8a4 SC |
432 | { |
433 | YY_BUFFER_STATE tmp; | |
1d45ccb3 | 434 | |
d4e5e3c3 | 435 | yy_init = 0; |
9d1fe8a4 | 436 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
d4e5e3c3 DM |
437 | { |
438 | einfo("%F: macros nested too deeply\n"); | |
439 | } | |
dadd414a | 440 | file_name_stack[include_stack_ptr] = "redirect"; |
86bc0974 | 441 | lineno_stack[include_stack_ptr] = 0; |
dadd414a SC |
442 | include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; |
443 | include_stack_ptr++; | |
d4e5e3c3 DM |
444 | tmp = yy_create_string_buffer (string, strlen (string)); |
445 | yy_switch_to_buffer (tmp); | |
446 | BEGIN (SCRIPT); | |
9d1fe8a4 | 447 | } |
d4e5e3c3 DM |
448 | \f |
449 | /* Functions to switch to a different flex start condition, | |
450 | saving the current start condition on `state_stack'. */ | |
1d45ccb3 | 451 | |
d4e5e3c3 DM |
452 | static int state_stack[MAX_INCLUDE_DEPTH * 2]; |
453 | static int *state_stack_p = state_stack; | |
1d45ccb3 | 454 | |
9d1fe8a4 | 455 | void |
8ddef552 | 456 | ldlex_script () |
9d1fe8a4 | 457 | { |
dadd414a | 458 | *(state_stack_p)++ = yy_start; |
d4e5e3c3 | 459 | BEGIN (SCRIPT); |
9d1fe8a4 | 460 | } |
1418c83b | 461 | |
3d2b83ea | 462 | void |
8ddef552 | 463 | ldlex_mri_script () |
3d2b83ea | 464 | { |
dadd414a | 465 | *(state_stack_p)++ = yy_start; |
d4e5e3c3 | 466 | BEGIN (MRI); |
0d3e45ea SC |
467 | } |
468 | ||
469 | void | |
8ddef552 | 470 | ldlex_defsym () |
0d3e45ea | 471 | { |
dadd414a | 472 | *(state_stack_p)++ = yy_start; |
d4e5e3c3 | 473 | BEGIN (DEFSYMEXP); |
3d2b83ea SC |
474 | } |
475 | ||
9d1fe8a4 | 476 | void |
8ddef552 | 477 | ldlex_expression () |
9d1fe8a4 | 478 | { |
dadd414a | 479 | *(state_stack_p)++ = yy_start; |
d4e5e3c3 | 480 | BEGIN (EXPRESSION); |
9d1fe8a4 | 481 | } |
d4e5e3c3 | 482 | |
9d1fe8a4 | 483 | void |
8ddef552 | 484 | ldlex_both () |
9d1fe8a4 | 485 | { |
dadd414a | 486 | *(state_stack_p)++ = yy_start; |
d4e5e3c3 | 487 | BEGIN (BOTH); |
2fa0b342 DHW |
488 | } |
489 | ||
9d1fe8a4 | 490 | void |
8ddef552 | 491 | ldlex_popstate () |
9d1fe8a4 | 492 | { |
dadd414a | 493 | yy_start = *(--state_stack_p); |
9d1fe8a4 | 494 | } |
d4e5e3c3 DM |
495 | \f |
496 | ||
497 | /* Place up to MAX_SIZE characters in BUF and return in *RESULT | |
498 | either the number of characters read, or 0 to indicate EOF. */ | |
2fa0b342 | 499 | |
fcf276c4 | 500 | static void |
d4e5e3c3 DM |
501 | yy_input (buf, result, max_size) |
502 | char *buf; | |
503 | int *result; | |
504 | int max_size; | |
9d1fe8a4 SC |
505 | { |
506 | *result = 0; | |
507 | if (yy_current_buffer->yy_input_file) | |
d4e5e3c3 DM |
508 | { |
509 | if (yyin) | |
510 | { | |
511 | *result = read (fileno (yyin), (char *) buf, max_size); | |
512 | if (*result < 0) | |
513 | einfo ("%F%P: read in flex scanner failed"); | |
514 | } | |
515 | } | |
9d1fe8a4 | 516 | } |
6bf2e3a7 | 517 | |
d4e5e3c3 DM |
518 | /* Eat the rest of a C-style comment. */ |
519 | ||
fcf276c4 ILT |
520 | static void |
521 | comment () | |
85e38cfa SC |
522 | { |
523 | int c; | |
d4e5e3c3 | 524 | |
85e38cfa SC |
525 | while (1) |
526 | { | |
527 | c = input(); | |
d4e5e3c3 | 528 | while (c != '*' && c != EOF) |
85e38cfa | 529 | { |
31ddb156 | 530 | if (c == '\n' || c == '\r') |
d4e5e3c3 | 531 | lineno++; |
85e38cfa SC |
532 | c = input(); |
533 | } | |
534 | ||
85e38cfa SC |
535 | if (c == '*') |
536 | { | |
537 | c = input(); | |
d4e5e3c3 | 538 | while (c == '*') |
85e38cfa | 539 | c = input(); |
d4e5e3c3 | 540 | if (c == '/') |
85e38cfa SC |
541 | break; /* found the end */ |
542 | } | |
543 | ||
31ddb156 | 544 | if (c == '\n' || c == '\r') |
d4e5e3c3 DM |
545 | lineno++; |
546 | ||
547 | if (c == EOF) | |
85e38cfa | 548 | { |
d4e5e3c3 | 549 | einfo( "%F%P: EOF in comment\n"); |
85e38cfa SC |
550 | break; |
551 | } | |
552 | } | |
553 | } | |
fb55f9b8 | 554 | |
d4e5e3c3 DM |
555 | /* Warn the user about a garbage character WHAT in the input |
556 | in context WHERE. */ | |
557 | ||
fb55f9b8 DM |
558 | static void |
559 | lex_warn_invalid (where, what) | |
560 | char *where, *what; | |
561 | { | |
86bc0974 ILT |
562 | char buf[5]; |
563 | ||
564 | /* If we have found an input file whose format we do not recognize, | |
565 | and we are therefore treating it as a linker script, and we find | |
566 | an invalid character, then most likely this is a real object file | |
567 | of some different format. Treat it as such. */ | |
568 | if (ldfile_assumed_script) | |
569 | { | |
570 | bfd_set_error (bfd_error_file_not_recognized); | |
571 | einfo ("%F%s: file not recognized: %E\n", ldfile_input_filename); | |
572 | } | |
573 | ||
574 | if (! isprint ((unsigned char) *what)) | |
575 | { | |
576 | sprintf (buf, "\\%03o", (unsigned int) *what); | |
577 | what = buf; | |
578 | } | |
579 | ||
580 | einfo ("%P:%S: ignoring invalid character `%s'%s\n", what, where); | |
fb55f9b8 | 581 | } |