?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
* config/h8300/clzsi2.c: Remove.
[official-gcc.git] / gcc / mips-tfile.c
blob442d38344878422c5f3537dfba49f2ef14360271
1 /* Update the symbol table (the .T file) in a MIPS object to
2 contain debugging information specified by the GNU compiler
3 in the form of comments (the mips assembler does not support
4 assembly access to debug information).
5 Copyright (C) 1991, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001
6 Free Software Foundation, Inc.
7 Contributed by Michael Meissner (meissner@cygnus.com).
8
9 This file is part of GCC.
10
11 GCC is free software; you can redistribute it and/or modify it under
12 the terms of the GNU General Public License as published by the Free
13 Software Foundation; either version 2, or (at your option) any later
14 version.
15
16 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
17 WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19 for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with GCC; see the file COPYING. If not, write to the Free
23 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
24 02111-1307, USA. */
25
26 \f
27 /* Here is a brief description of the MIPS ECOFF symbol table. The
28 MIPS symbol table has the following pieces:
29
30 Symbolic Header
31 |
32 +-- Auxiliary Symbols
33 |
34 +-- Dense number table
35 |
36 +-- Optimizer Symbols
37 |
38 +-- External Strings
39 |
40 +-- External Symbols
41 |
42 +-- Relative file descriptors
43 |
44 +-- File table
45 |
46 +-- Procedure table
47 |
48 +-- Line number table
49 |
50 +-- Local Strings
51 |
52 +-- Local Symbols
53
54 The symbolic header points to each of the other tables, and also
55 contains the number of entries. It also contains a magic number
56 and MIPS compiler version number, such as 2.0.
57
58 The auxiliary table is a series of 32 bit integers, that are
59 referenced as needed from the local symbol table. Unlike standard
60 COFF, the aux. information does not follow the symbol that uses
61 it, but rather is a separate table. In theory, this would allow
62 the MIPS compilers to collapse duplicate aux. entries, but I've not
63 noticed this happening with the 1.31 compiler suite. The different
64 types of aux. entries are:
65
66 1) dnLow: Low bound on array dimension.
67
68 2) dnHigh: High bound on array dimension.
69
70 3) isym: Index to the local symbol which is the start of the
71 function for the end of function first aux. entry.
72
73 4) width: Width of structures and bitfields.
74
75 5) count: Count of ranges for variant part.
76
77 6) rndx: A relative index into the symbol table. The relative
78 index field has two parts: rfd which is a pointer into the
79 relative file index table or ST_RFDESCAPE which says the next
80 aux. entry is the file number, and index: which is the pointer
81 into the local symbol within a given file table. This is for
82 things like references to types defined in another file.
83
84 7) Type information: This is like the COFF type bits, except it
85 is 32 bits instead of 16; they still have room to add new
86 basic types; and they can handle more than 6 levels of array,
87 pointer, function, etc. Each type information field contains
88 the following structure members:
89
90 a) fBitfield: a bit that says this is a bitfield, and the
91 size in bits follows as the next aux. entry.
92
93 b) continued: a bit that says the next aux. entry is a
94 continuation of the current type information (in case
95 there are more than 6 levels of array/ptr/function).
96
97 c) bt: an integer containing the base type before adding
98 array, pointer, function, etc. qualifiers. The
99 current base types that I have documentation for are:
100
101 btNil -- undefined
102 btAdr -- address - integer same size as ptr
103 btChar -- character
104 btUChar -- unsigned character
105 btShort -- short
106 btUShort -- unsigned short
107 btInt -- int
108 btUInt -- unsigned int
109 btLong -- long
110 btULong -- unsigned long
111 btFloat -- float (real)
112 btDouble -- Double (real)
113 btStruct -- Structure (Record)
114 btUnion -- Union (variant)
115 btEnum -- Enumerated
116 btTypedef -- defined via a typedef isymRef
117 btRange -- subrange of int
118 btSet -- pascal sets
119 btComplex -- fortran complex
120 btDComplex -- fortran double complex
121 btIndirect -- forward or unnamed typedef
122 btFixedDec -- Fixed Decimal
123 btFloatDec -- Float Decimal
124 btString -- Varying Length Character String
125 btBit -- Aligned Bit String
126 btPicture -- Picture
127 btVoid -- Void (MIPS cc revision >= 2.00)
128
129 d) tq0 - tq5: type qualifier fields as needed. The
130 current type qualifier fields I have documentation for
131 are:
132
133 tqNil -- no more qualifiers
134 tqPtr -- pointer
135 tqProc -- procedure
136 tqArray -- array
137 tqFar -- 8086 far pointers
138 tqVol -- volatile
139
140
141 The dense number table is used in the front ends, and disappears by
142 the time the .o is created.
143
144 With the 1.31 compiler suite, the optimization symbols don't seem
145 to be used as far as I can tell.
146
147 The linker is the first entity that creates the relative file
148 descriptor table, and I believe it is used so that the individual
149 file table pointers don't have to be rewritten when the objects are
150 merged together into the program file.
151
152 Unlike COFF, the basic symbol & string tables are split into
153 external and local symbols/strings. The relocation information
154 only goes off of the external symbol table, and the debug
155 information only goes off of the internal symbol table. The
156 external symbols can have links to an appropriate file index and
157 symbol within the file to give it the appropriate type information.
158 Because of this, the external symbols are actually larger than the
159 internal symbols (to contain the link information), and contain the
160 local symbol structure as a member, though this member is not the
161 first member of the external symbol structure (!). I suspect this
162 split is to make strip easier to deal with.
163
164 Each file table has offsets for where the line numbers, local
165 strings, local symbols, and procedure table starts from within the
166 global tables, and the indexs are reset to 0 for each of those
167 tables for the file.
168
169 The procedure table contains the binary equivalents of the .ent
170 (start of the function address), .frame (what register is the
171 virtual frame pointer, constant offset from the register to obtain
172 the VFP, and what register holds the return address), .mask/.fmask
173 (bitmask of saved registers, and where the first register is stored
174 relative to the VFP) assembler directives. It also contains the
175 low and high bounds of the line numbers if debugging is turned on.
176
177 The line number table is a compressed form of the normal COFF line
178 table. Each line number entry is either 1 or 3 bytes long, and
179 contains a signed delta from the previous line, and an unsigned
180 count of the number of instructions this statement takes.
181
182 The local symbol table contains the following fields:
183
184 1) iss: index to the local string table giving the name of the
185 symbol.
186
187 2) value: value of the symbol (address, register number, etc.).
188
189 3) st: symbol type. The current symbol types are:
190
191 stNil -- Nuthin' special
192 stGlobal -- external symbol
193 stStatic -- static
194 stParam -- procedure argument
195 stLocal -- local variable
196 stLabel -- label
197 stProc -- External Procedure
198 stBlock -- beginning of block
199 stEnd -- end (of anything)
200 stMember -- member (of anything)
201 stTypedef -- type definition
202 stFile -- file name
203 stRegReloc -- register relocation
204 stForward -- forwarding address
205 stStaticProc -- Static procedure
206 stConstant -- const
207
208 4) sc: storage class. The current storage classes are:
209
210 scText -- text symbol
211 scData -- initialized data symbol
212 scBss -- un-initialized data symbol
213 scRegister -- value of symbol is register number
214 scAbs -- value of symbol is absolute
215 scUndefined -- who knows?
216 scCdbLocal -- variable's value is IN se->va.??
217 scBits -- this is a bit field
218 scCdbSystem -- value is IN debugger's address space
219 scRegImage -- register value saved on stack
220 scInfo -- symbol contains debugger information
221 scUserStruct -- addr in struct user for current process
222 scSData -- load time only small data
223 scSBss -- load time only small common
224 scRData -- load time only read only data
225 scVar -- Var parameter (fortranpascal)
226 scCommon -- common variable
227 scSCommon -- small common
228 scVarRegister -- Var parameter in a register
229 scVariant -- Variant record
230 scSUndefined -- small undefined(external) data
231 scInit -- .init section symbol
232
233 5) index: pointer to a local symbol or aux. entry.
234
235
236
237 For the following program:
238
239 #include <stdio.h>
240
241 main(){
242 printf("Hello World!\n");
243 return 0;
244 }
245
246 Mips-tdump produces the following information:
247
248 Global file header:
249 magic number 0x162
250 # sections 2
251 timestamp 645311799, Wed Jun 13 17:16:39 1990
252 symbolic header offset 284
253 symbolic header size 96
254 optional header 56
255 flags 0x0
256
257 Symbolic header, magic number = 0x7009, vstamp = 1.31:
258
259 Info Offset Number Bytes
260 ==== ====== ====== =====
261
262 Line numbers 380 4 4 [13]
263 Dense numbers 0 0 0
264 Procedures Tables 384 1 52
265 Local Symbols 436 16 192
266 Optimization Symbols 0 0 0
267 Auxiliary Symbols 628 39 156
268 Local Strings 784 80 80
269 External Strings 864 144 144
270 File Tables 1008 2 144
271 Relative Files 0 0 0
272 External Symbols 1152 20 320
273
274 File #0, "hello2.c"
275
276 Name index = 1 Readin = No
277 Merge = No Endian = LITTLE
278 Debug level = G2 Language = C
279 Adr = 0x00000000
280
281 Info Start Number Size Offset
282 ==== ===== ====== ==== ======
283 Local strings 0 15 15 784
284 Local symbols 0 6 72 436
285 Line numbers 0 13 13 380
286 Optimization symbols 0 0 0 0
287 Procedures 0 1 52 384
288 Auxiliary symbols 0 14 56 628
289 Relative Files 0 0 0 0
290
291 There are 6 local symbols, starting at 436
292
293 Symbol# 0: "hello2.c"
294 End+1 symbol = 6
295 String index = 1
296 Storage class = Text Index = 6
297 Symbol type = File Value = 0
298
299 Symbol# 1: "main"
300 End+1 symbol = 5
301 Type = int
302 String index = 10
303 Storage class = Text Index = 12
304 Symbol type = Proc Value = 0
305
306 Symbol# 2: ""
307 End+1 symbol = 4
308 String index = 0
309 Storage class = Text Index = 4
310 Symbol type = Block Value = 8
311
312 Symbol# 3: ""
313 First symbol = 2
314 String index = 0
315 Storage class = Text Index = 2
316 Symbol type = End Value = 28
317
318 Symbol# 4: "main"
319 First symbol = 1
320 String index = 10
321 Storage class = Text Index = 1
322 Symbol type = End Value = 52
323
324 Symbol# 5: "hello2.c"
325 First symbol = 0
326 String index = 1
327 Storage class = Text Index = 0
328 Symbol type = End Value = 0
329
330 There are 14 auxiliary table entries, starting at 628.
331
332 * #0 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
333 * #1 24, [ 24/ 0], [ 6 0:0 0:0:0:0:0:0]
334 * #2 8, [ 8/ 0], [ 2 0:0 0:0:0:0:0:0]
335 * #3 16, [ 16/ 0], [ 4 0:0 0:0:0:0:0:0]
336 * #4 24, [ 24/ 0], [ 6 0:0 0:0:0:0:0:0]
337 * #5 32, [ 32/ 0], [ 8 0:0 0:0:0:0:0:0]
338 * #6 40, [ 40/ 0], [10 0:0 0:0:0:0:0:0]
339 * #7 44, [ 44/ 0], [11 0:0 0:0:0:0:0:0]
340 * #8 12, [ 12/ 0], [ 3 0:0 0:0:0:0:0:0]
341 * #9 20, [ 20/ 0], [ 5 0:0 0:0:0:0:0:0]
342 * #10 28, [ 28/ 0], [ 7 0:0 0:0:0:0:0:0]
343 * #11 36, [ 36/ 0], [ 9 0:0 0:0:0:0:0:0]
344 #12 5, [ 5/ 0], [ 1 1:0 0:0:0:0:0:0]
345 #13 24, [ 24/ 0], [ 6 0:0 0:0:0:0:0:0]
346
347 There are 1 procedure descriptor entries, starting at 0.
348
349 Procedure descriptor 0:
350 Name index = 10 Name = "main"
351 .mask 0x80000000,-4 .fmask 0x00000000,0
352 .frame $29,24,$31
353 Opt. start = -1 Symbols start = 1
354 First line # = 3 Last line # = 6
355 Line Offset = 0 Address = 0x00000000
356
357 There are 4 bytes holding line numbers, starting at 380.
358 Line 3, delta 0, count 2
359 Line 4, delta 1, count 3
360 Line 5, delta 1, count 2
361 Line 6, delta 1, count 6
362
363 File #1, "/usr/include/stdio.h"
364
365 Name index = 1 Readin = No
366 Merge = Yes Endian = LITTLE
367 Debug level = G2 Language = C
368 Adr = 0x00000000
369
370 Info Start Number Size Offset
371 ==== ===== ====== ==== ======
372 Local strings 15 65 65 799
373 Local symbols 6 10 120 508
374 Line numbers 0 0 0 380
375 Optimization symbols 0 0 0 0
376 Procedures 1 0 0 436
377 Auxiliary symbols 14 25 100 684
378 Relative Files 0 0 0 0
379
380 There are 10 local symbols, starting at 442
381
382 Symbol# 0: "/usr/include/stdio.h"
383 End+1 symbol = 10
384 String index = 1
385 Storage class = Text Index = 10
386 Symbol type = File Value = 0
387
388 Symbol# 1: "_iobuf"
389 End+1 symbol = 9
390 String index = 22
391 Storage class = Info Index = 9
392 Symbol type = Block Value = 20
393
394 Symbol# 2: "_cnt"
395 Type = int
396 String index = 29
397 Storage class = Info Index = 4
398 Symbol type = Member Value = 0
399
400 Symbol# 3: "_ptr"
401 Type = ptr to char
402 String index = 34
403 Storage class = Info Index = 15
404 Symbol type = Member Value = 32
405
406 Symbol# 4: "_base"
407 Type = ptr to char
408 String index = 39
409 Storage class = Info Index = 16
410 Symbol type = Member Value = 64
411
412 Symbol# 5: "_bufsiz"
413 Type = int
414 String index = 45
415 Storage class = Info Index = 4
416 Symbol type = Member Value = 96
417
418 Symbol# 6: "_flag"
419 Type = short
420 String index = 53
421 Storage class = Info Index = 3
422 Symbol type = Member Value = 128
423
424 Symbol# 7: "_file"
425 Type = char
426 String index = 59
427 Storage class = Info Index = 2
428 Symbol type = Member Value = 144
429
430 Symbol# 8: ""
431 First symbol = 1
432 String index = 0
433 Storage class = Info Index = 1
434 Symbol type = End Value = 0
435
436 Symbol# 9: "/usr/include/stdio.h"
437 First symbol = 0
438 String index = 1
439 Storage class = Text Index = 0
440 Symbol type = End Value = 0
441
442 There are 25 auxiliary table entries, starting at 642.
443
444 * #14 -1, [4095/1048575], [63 1:1 f:f:f:f:f:f]
445 #15 65544, [ 8/ 16], [ 2 0:0 1:0:0:0:0:0]
446 #16 65544, [ 8/ 16], [ 2 0:0 1:0:0:0:0:0]
447 * #17 196656, [ 48/ 48], [12 0:0 3:0:0:0:0:0]
448 * #18 8191, [4095/ 1], [63 1:1 0:0:0:0:f:1]
449 * #19 1, [ 1/ 0], [ 0 1:0 0:0:0:0:0:0]
450 * #20 20479, [4095/ 4], [63 1:1 0:0:0:0:f:4]
451 * #21 1, [ 1/ 0], [ 0 1:0 0:0:0:0:0:0]
452 * #22 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
453 * #23 2, [ 2/ 0], [ 0 0:1 0:0:0:0:0:0]
454 * #24 160, [ 160/ 0], [40 0:0 0:0:0:0:0:0]
455 * #25 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
456 * #26 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
457 * #27 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
458 * #28 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
459 * #29 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
460 * #30 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
461 * #31 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
462 * #32 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
463 * #33 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
464 * #34 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
465 * #35 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
466 * #36 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
467 * #37 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
468 * #38 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
469
470 There are 0 procedure descriptor entries, starting at 1.
471
472 There are 20 external symbols, starting at 1152
473
474 Symbol# 0: "_iob"
475 Type = array [3 {160}] of struct _iobuf { ifd = 1, index = 1 }
476 String index = 0 Ifd = 1
477 Storage class = Nil Index = 17
478 Symbol type = Global Value = 60
479
480 Symbol# 1: "fopen"
481 String index = 5 Ifd = 1
482 Storage class = Nil Index = 1048575
483 Symbol type = Proc Value = 0
484
485 Symbol# 2: "fdopen"
486 String index = 11 Ifd = 1
487 Storage class = Nil Index = 1048575
488 Symbol type = Proc Value = 0
489
490 Symbol# 3: "freopen"
491 String index = 18 Ifd = 1
492 Storage class = Nil Index = 1048575
493 Symbol type = Proc Value = 0
494
495 Symbol# 4: "popen"
496 String index = 26 Ifd = 1
497 Storage class = Nil Index = 1048575
498 Symbol type = Proc Value = 0
499
500 Symbol# 5: "tmpfile"
501 String index = 32 Ifd = 1
502 Storage class = Nil Index = 1048575
503 Symbol type = Proc Value = 0
504
505 Symbol# 6: "ftell"
506 String index = 40 Ifd = 1
507 Storage class = Nil Index = 1048575
508 Symbol type = Proc Value = 0
509
510 Symbol# 7: "rewind"
511 String index = 46 Ifd = 1
512 Storage class = Nil Index = 1048575
513 Symbol type = Proc Value = 0
514
515 Symbol# 8: "setbuf"
516 String index = 53 Ifd = 1
517 Storage class = Nil Index = 1048575
518 Symbol type = Proc Value = 0
519
520 Symbol# 9: "setbuffer"
521 String index = 60 Ifd = 1
522 Storage class = Nil Index = 1048575
523 Symbol type = Proc Value = 0
524
525 Symbol# 10: "setlinebuf"
526 String index = 70 Ifd = 1
527 Storage class = Nil Index = 1048575
528 Symbol type = Proc Value = 0
529
530 Symbol# 11: "fgets"
531 String index = 81 Ifd = 1
532 Storage class = Nil Index = 1048575
533 Symbol type = Proc Value = 0
534
535 Symbol# 12: "gets"
536 String index = 87 Ifd = 1
537 Storage class = Nil Index = 1048575
538 Symbol type = Proc Value = 0
539
540 Symbol# 13: "ctermid"
541 String index = 92 Ifd = 1
542 Storage class = Nil Index = 1048575
543 Symbol type = Proc Value = 0
544
545 Symbol# 14: "cuserid"
546 String index = 100 Ifd = 1
547 Storage class = Nil Index = 1048575
548 Symbol type = Proc Value = 0
549
550 Symbol# 15: "tempnam"
551 String index = 108 Ifd = 1
552 Storage class = Nil Index = 1048575
553 Symbol type = Proc Value = 0
554
555 Symbol# 16: "tmpnam"
556 String index = 116 Ifd = 1
557 Storage class = Nil Index = 1048575
558 Symbol type = Proc Value = 0
559
560 Symbol# 17: "sprintf"
561 String index = 123 Ifd = 1
562 Storage class = Nil Index = 1048575
563 Symbol type = Proc Value = 0
564
565 Symbol# 18: "main"
566 Type = int
567 String index = 131 Ifd = 0
568 Storage class = Text Index = 1
569 Symbol type = Proc Value = 0
570
571 Symbol# 19: "printf"
572 String index = 136 Ifd = 0
573 Storage class = Undefined Index = 1048575
574 Symbol type = Proc Value = 0
575
576 The following auxiliary table entries were unused:
577
578 #0 0 0x00000000 void
579 #2 8 0x00000008 char
580 #3 16 0x00000010 short
581 #4 24 0x00000018 int
582 #5 32 0x00000020 long
583 #6 40 0x00000028 float
584 #7 44 0x0000002c double
585 #8 12 0x0000000c unsigned char
586 #9 20 0x00000014 unsigned short
587 #10 28 0x0000001c unsigned int
588 #11 36 0x00000024 unsigned long
589 #14 0 0x00000000 void
590 #15 24 0x00000018 int
591 #19 32 0x00000020 long
592 #20 40 0x00000028 float
593 #21 44 0x0000002c double
594 #22 12 0x0000000c unsigned char
595 #23 20 0x00000014 unsigned short
596 #24 28 0x0000001c unsigned int
597 #25 36 0x00000024 unsigned long
598 #26 48 0x00000030 struct no name { ifd = -1, index = 1048575 }
599
600 */
601 \f
602
603 #include "config.h"
604 #include "system.h"
605 #include "coretypes.h"
606 #include "tm.h"
607 #include "version.h"
608 #include "intl.h"
609
610 #ifndef __SABER__
611 #define saber_stop()
612 #endif
613
614 #ifndef __LINE__
615 #define __LINE__ 0
616 #endif
617
618 /* Due to size_t being defined in sys/types.h and different
619 in stddef.h, we have to do this by hand..... Note, these
620 types are correct for MIPS based systems, and may not be
621 correct for other systems. Ultrix 4.0 and Silicon Graphics
622 have this fixed, but since the following is correct, and
623 the fact that including stddef.h gets you GCC's version
624 instead of the standard one it's not worth it to fix it. */
625
626 #if defined(__OSF1__) || defined(__OSF__) || defined(__osf__)
627 #define Size_t long unsigned int
628 #else
629 #define Size_t unsigned int
630 #endif
631 #define Ptrdiff_t long
632
633 /* The following might be called from obstack or malloc,
634 so they can't be static. */
635
636 extern void pfatal_with_name
637 PARAMS ((const char *)) ATTRIBUTE_NORETURN;
638 extern void fancy_abort PARAMS ((void)) ATTRIBUTE_NORETURN;
639 void botch PARAMS ((const char *)) ATTRIBUTE_NORETURN;
640
641 extern void fatal PARAMS ((const char *format, ...)) ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
642 extern void error PARAMS ((const char *format, ...)) ATTRIBUTE_PRINTF_1;
643 \f
644 #ifndef MIPS_DEBUGGING_INFO
645
646 static int line_number;
647 static int cur_line_start;
648 static int debug;
649 static int had_errors;
650 static const char *progname;
651 static const char *input_name;
652
653 int
654 main ()
655 {
656 fprintf (stderr, "Mips-tfile should only be run on a MIPS computer!\n");
657 exit (1);
658 }
659
660 #else /* MIPS_DEBUGGING defined */
661 \f
662 /* The local and global symbols have a field index, so undo any defines
663 of index -> strchr. */
664
665 #undef index
666
667 #include <signal.h>
668
669 #ifndef CROSS_COMPILE
670 #include <a.out.h>
671 #else
672 #include "mips/a.out.h"
673 #endif /* CROSS_COMPILE */
674
675 #include "gstab.h"
676
677 #define STAB_CODE_TYPE enum __stab_debug_code
678
679 #ifndef MALLOC_CHECK
680 #ifdef __SABER__
681 #define MALLOC_CHECK
682 #endif
683 #endif
684
685 #define IS_ASM_IDENT(ch) \
686 (ISIDNUM (ch) || (ch) == '.' || (ch) == '$')
687
688 \f
689 /* Redefinition of storage classes as an enumeration for better
690 debugging. */
691
692 typedef enum sc {
693 sc_Nil = scNil, /* no storage class */
694 sc_Text = scText, /* text symbol */
695 sc_Data = scData, /* initialized data symbol */
696 sc_Bss = scBss, /* un-initialized data symbol */
697 sc_Register = scRegister, /* value of symbol is register number */
698 sc_Abs = scAbs, /* value of symbol is absolute */
699 sc_Undefined = scUndefined, /* who knows? */
700 sc_CdbLocal = scCdbLocal, /* variable's value is IN se->va.?? */
701 sc_Bits = scBits, /* this is a bit field */
702 sc_CdbSystem = scCdbSystem, /* value is IN CDB's address space */
703 sc_RegImage = scRegImage, /* register value saved on stack */
704 sc_Info = scInfo, /* symbol contains debugger information */
705 sc_UserStruct = scUserStruct, /* addr in struct user for current process */
706 sc_SData = scSData, /* load time only small data */
707 sc_SBss = scSBss, /* load time only small common */
708 sc_RData = scRData, /* load time only read only data */
709 sc_Var = scVar, /* Var parameter (fortran,pascal) */
710 sc_Common = scCommon, /* common variable */
711 sc_SCommon = scSCommon, /* small common */
712 sc_VarRegister = scVarRegister, /* Var parameter in a register */
713 sc_Variant = scVariant, /* Variant record */
714 sc_SUndefined = scSUndefined, /* small undefined(external) data */
715 sc_Init = scInit, /* .init section symbol */
716 sc_Max = scMax /* Max storage class+1 */
717 } sc_t;
718
719 /* Redefinition of symbol type. */
720
721 typedef enum st {
722 st_Nil = stNil, /* Nuthin' special */
723 st_Global = stGlobal, /* external symbol */
724 st_Static = stStatic, /* static */
725 st_Param = stParam, /* procedure argument */
726 st_Local = stLocal, /* local variable */
727 st_Label = stLabel, /* label */
728 st_Proc = stProc, /* " " Procedure */
729 st_Block = stBlock, /* beginning of block */
730 st_End = stEnd, /* end (of anything) */
731 st_Member = stMember, /* member (of anything - struct/union/enum */
732 st_Typedef = stTypedef, /* type definition */
733 st_File = stFile, /* file name */
734 st_RegReloc = stRegReloc, /* register relocation */
735 st_Forward = stForward, /* forwarding address */
736 st_StaticProc = stStaticProc, /* load time only static procs */
737 st_Constant = stConstant, /* const */
738 st_Str = stStr, /* string */
739 st_Number = stNumber, /* pure number (ie. 4 NOR 2+2) */
740 st_Expr = stExpr, /* 2+2 vs. 4 */
741 st_Type = stType, /* post-coercion SER */
742 st_Max = stMax /* max type+1 */
743 } st_t;
744
745 /* Redefinition of type qualifiers. */
746
747 typedef enum tq {
748 tq_Nil = tqNil, /* bt is what you see */
749 tq_Ptr = tqPtr, /* pointer */
750 tq_Proc = tqProc, /* procedure */
751 tq_Array = tqArray, /* duh */
752 tq_Far = tqFar, /* longer addressing - 8086/8 land */
753 tq_Vol = tqVol, /* volatile */
754 tq_Max = tqMax /* Max type qualifier+1 */
755 } tq_t;
756
757 /* Redefinition of basic types. */
758
759 typedef enum bt {
760 bt_Nil = btNil, /* undefined */
761 bt_Adr = btAdr, /* address - integer same size as pointer */
762 bt_Char = btChar, /* character */
763 bt_UChar = btUChar, /* unsigned character */
764 bt_Short = btShort, /* short */
765 bt_UShort = btUShort, /* unsigned short */
766 bt_Int = btInt, /* int */
767 bt_UInt = btUInt, /* unsigned int */
768 bt_Long = btLong, /* long */
769 bt_ULong = btULong, /* unsigned long */
770 bt_Float = btFloat, /* float (real) */
771 bt_Double = btDouble, /* Double (real) */
772 bt_Struct = btStruct, /* Structure (Record) */
773 bt_Union = btUnion, /* Union (variant) */
774 bt_Enum = btEnum, /* Enumerated */
775 bt_Typedef = btTypedef, /* defined via a typedef, isymRef points */
776 bt_Range = btRange, /* subrange of int */
777 bt_Set = btSet, /* pascal sets */
778 bt_Complex = btComplex, /* fortran complex */
779 bt_DComplex = btDComplex, /* fortran double complex */
780 bt_Indirect = btIndirect, /* forward or unnamed typedef */
781 bt_FixedDec = btFixedDec, /* Fixed Decimal */
782 bt_FloatDec = btFloatDec, /* Float Decimal */
783 bt_String = btString, /* Varying Length Character String */
784 bt_Bit = btBit, /* Aligned Bit String */
785 bt_Picture = btPicture, /* Picture */
786
787 #ifdef btVoid
788 bt_Void = btVoid, /* Void */
789 #else
790 #define bt_Void bt_Nil
791 #endif
792
793 bt_Max = btMax /* Max basic type+1 */
794 } bt_t;
795
796 \f
797
798 /* Basic COFF storage classes. */
799 enum coff_storage {
800 C_EFCN = -1,
801 C_NULL = 0,
802 C_AUTO = 1,
803 C_EXT = 2,
804 C_STAT = 3,
805 C_REG = 4,
806 C_EXTDEF = 5,
807 C_LABEL = 6,
808 C_ULABEL = 7,
809 C_MOS = 8,
810 C_ARG = 9,
811 C_STRTAG = 10,
812 C_MOU = 11,
813 C_UNTAG = 12,
814 C_TPDEF = 13,
815 C_USTATIC = 14,
816 C_ENTAG = 15,
817 C_MOE = 16,
818 C_REGPARM = 17,
819 C_FIELD = 18,
820 C_BLOCK = 100,
821 C_FCN = 101,
822 C_EOS = 102,
823 C_FILE = 103,
824 C_LINE = 104,
825 C_ALIAS = 105,
826 C_HIDDEN = 106,
827 C_MAX = 107
828 } coff_storage_t;
829
830 /* Regular COFF fundamental type. */
831 typedef enum coff_type {
832 T_NULL = 0,
833 T_ARG = 1,
834 T_CHAR = 2,
835 T_SHORT = 3,
836 T_INT = 4,
837 T_LONG = 5,
838 T_FLOAT = 6,
839 T_DOUBLE = 7,
840 T_STRUCT = 8,
841 T_UNION = 9,
842 T_ENUM = 10,
843 T_MOE = 11,
844 T_UCHAR = 12,
845 T_USHORT = 13,
846 T_UINT = 14,
847 T_ULONG = 15,
848 T_MAX = 16
849 } coff_type_t;
850
851 /* Regular COFF derived types. */
852 typedef enum coff_dt {
853 DT_NON = 0,
854 DT_PTR = 1,
855 DT_FCN = 2,
856 DT_ARY = 3,
857 DT_MAX = 4
858 } coff_dt_t;
859
860 #define N_BTMASK 017 /* bitmask to isolate basic type */
861 #define N_TMASK 003 /* bitmask to isolate derived type */
862 #define N_BT_SHIFT 4 /* # bits to shift past basic type */
863 #define N_TQ_SHIFT 2 /* # bits to shift derived types */
864 #define N_TQ 6 /* # of type qualifiers */
865
866 /* States for whether to hash type or not. */
867 typedef enum hash_state {
868 hash_no = 0, /* don't hash type */
869 hash_yes = 1, /* ok to hash type, or use previous hash */
870 hash_record = 2 /* ok to record hash, but don't use prev. */
871 } hash_state_t;
872
873
874 /* Types of different sized allocation requests. */
875 enum alloc_type {
876 alloc_type_none, /* dummy value */
877 alloc_type_scope, /* nested scopes linked list */
878 alloc_type_vlinks, /* glue linking pages in varray */
879 alloc_type_shash, /* string hash element */
880 alloc_type_thash, /* type hash element */
881 alloc_type_tag, /* struct/union/tag element */
882 alloc_type_forward, /* element to hold unknown tag */
883 alloc_type_thead, /* head of type hash list */
884 alloc_type_varray, /* general varray allocation */
885 alloc_type_last /* last+1 element for array bounds */
886 };
887
888 \f
889 #define WORD_ALIGN(x) (((x) + (sizeof (long) - 1)) & ~ (sizeof (long) - 1))
890 #define DWORD_ALIGN(x) (((x) + 7) & ~7)
891
892
893 /* Structures to provide n-number of virtual arrays, each of which can
894 grow linearly, and which are written in the object file as sequential
895 pages. On systems with a BSD malloc that define USE_MALLOC, the
896 MAX_CLUSTER_PAGES should be 1 less than a power of two, since malloc
897 adds its overhead, and rounds up to the next power of 2. Pages are
898 linked together via a linked list.
899
900 If PAGE_SIZE is > 4096, the string length in the shash_t structure
901 can't be represented (assuming there are strings > 4096 bytes). */
902
903 #ifndef PAGE_SIZE
904 #define PAGE_SIZE 4096 /* size of varray pages */
905 #endif
906
907 #define PAGE_USIZE ((Size_t) PAGE_SIZE)
908
909
910 #ifndef MAX_CLUSTER_PAGES /* # pages to get from system */
911 #ifndef USE_MALLOC /* in one memory request */
912 #define MAX_CLUSTER_PAGES 64
913 #else
914 #define MAX_CLUSTER_PAGES 63
915 #endif
916 #endif
917
918
919 /* Linked list connecting separate page allocations. */
920 typedef struct vlinks {
921 struct vlinks *prev; /* previous set of pages */
922 struct vlinks *next; /* next set of pages */
923 union page *datum; /* start of page */
924 unsigned long start_index; /* starting index # of page */
925 } vlinks_t;
926
927
928 /* Virtual array header. */
929 typedef struct varray {
930 vlinks_t *first; /* first page link */
931 vlinks_t *last; /* last page link */
932 unsigned long num_allocated; /* # objects allocated */
933 unsigned short object_size; /* size in bytes of each object */
934 unsigned short objects_per_page; /* # objects that can fit on a page */
935 unsigned short objects_last_page; /* # objects allocated on last page */
936 } varray_t;
937
938 #ifndef MALLOC_CHECK
939 #define OBJECTS_PER_PAGE(type) (PAGE_SIZE / sizeof (type))
940 #else
941 #define OBJECTS_PER_PAGE(type) ((sizeof (type) > 1) ? 1 : PAGE_SIZE)
942 #endif
943
944 #define INIT_VARRAY(type) { /* macro to initialize a varray */ \
945 (vlinks_t *) 0, /* first */ \
946 (vlinks_t *) 0, /* last */ \
947 0, /* num_allocated */ \
948 sizeof (type), /* object_size */ \
949 OBJECTS_PER_PAGE (type), /* objects_per_page */ \
950 OBJECTS_PER_PAGE (type), /* objects_last_page */ \
951 }
952
953 /* Master type for indexes within the symbol table. */
954 typedef unsigned long symint_t;
955
956
957 /* Linked list support for nested scopes (file, block, structure, etc.). */
958 typedef struct scope {
959 struct scope *prev; /* previous scope level */
960 struct scope *free; /* free list pointer */
961 SYMR *lsym; /* pointer to local symbol node */
962 symint_t lnumber; /* lsym index */
963 st_t type; /* type of the node */
964 } scope_t;
965
966
967 /* Forward reference list for tags referenced, but not yet defined. */
968 typedef struct forward {
969 struct forward *next; /* next forward reference */
970 struct forward *free; /* free list pointer */
971 AUXU *ifd_ptr; /* pointer to store file index */
972 AUXU *index_ptr; /* pointer to store symbol index */
973 AUXU *type_ptr; /* pointer to munge type info */
974 } forward_t;
975
976
977 /* Linked list support for tags. The first tag in the list is always
978 the current tag for that block. */
979 typedef struct tag {
980 struct tag *free; /* free list pointer */
981 struct shash *hash_ptr; /* pointer to the hash table head */
982 struct tag *same_name; /* tag with same name in outer scope */
983 struct tag *same_block; /* next tag defined in the same block. */
984 struct forward *forward_ref; /* list of forward references */
985 bt_t basic_type; /* bt_Struct, bt_Union, or bt_Enum */
986 symint_t ifd; /* file # tag defined in */
987 symint_t indx; /* index within file's local symbols */
988 } tag_t;
989
990
991 /* Head of a block's linked list of tags. */
992 typedef struct thead {
993 struct thead *prev; /* previous block */
994 struct thead *free; /* free list pointer */
995 struct tag *first_tag; /* first tag in block defined */
996 } thead_t;
997
998
999 /* Union containing pointers to each the small structures which are freed up. */
1000 typedef union small_free {
1001 scope_t *f_scope; /* scope structure */
1002 thead_t *f_thead; /* tag head structure */
1003 tag_t *f_tag; /* tag element structure */
1004 forward_t *f_forward; /* forward tag reference */
1005 } small_free_t;
1006
1007
1008 /* String hash table support. The size of the hash table must fit
1009 within a page. */
1010
1011 #ifndef SHASH_SIZE
1012 #define SHASH_SIZE 1009
1013 #endif
1014
1015 #define HASH_LEN_MAX ((1 << 12) - 1) /* Max length we can store */
1016
1017 typedef struct shash {
1018 struct shash *next; /* next hash value */
1019 char *string; /* string we are hashing */
1020 symint_t len; /* string length */
1021 symint_t indx; /* index within string table */
1022 EXTR *esym_ptr; /* global symbol pointer */
1023 SYMR *sym_ptr; /* local symbol pointer */
1024 SYMR *end_ptr; /* symbol pointer to end block */
1025 tag_t *tag_ptr; /* tag pointer */
1026 PDR *proc_ptr; /* procedure descriptor pointer */
1027 } shash_t;
1028
1029
1030 /* Type hash table support. The size of the hash table must fit
1031 within a page with the other extended file descriptor information.
1032 Because unique types which are hashed are fewer in number than
1033 strings, we use a smaller hash value. */
1034
1035 #ifndef THASH_SIZE
1036 #define THASH_SIZE 113
1037 #endif
1038
1039 typedef struct thash {
1040 struct thash *next; /* next hash value */
1041 AUXU type; /* type we are hashing */
1042 symint_t indx; /* index within string table */
1043 } thash_t;
1044
1045
1046 /* Extended file descriptor that contains all of the support necessary
1047 to add things to each file separately. */
1048 typedef struct efdr {
1049 FDR fdr; /* File header to be written out */
1050 FDR *orig_fdr; /* original file header */
1051 char *name; /* filename */
1052 int name_len; /* length of the filename */
1053 symint_t void_type; /* aux. pointer to 'void' type */
1054 symint_t int_type; /* aux. pointer to 'int' type */
1055 scope_t *cur_scope; /* current nested scopes */
1056 symint_t file_index; /* current file number */
1057 int nested_scopes; /* # nested scopes */
1058 varray_t strings; /* local strings */
1059 varray_t symbols; /* local symbols */
1060 varray_t procs; /* procedures */
1061 varray_t aux_syms; /* auxiliary symbols */
1062 struct efdr *next_file; /* next file descriptor */
1063 /* string/type hash tables */
1064 shash_t **shash_head; /* string hash table */
1065 thash_t *thash_head[THASH_SIZE];
1066 } efdr_t;
1067
1068 /* Pre-initialized extended file structure. */
1069 static efdr_t init_file =
1070 {
1071 { /* FDR structure */
1072 #ifdef __alpha
1073 0, /* adr: memory address of beginning of file */
1074 0, /* cbLineOffset: byte offset from header for this file ln's */
1075 0, /* cbLine: size of lines for this file */
1076 0, /* cbSs: number of bytes in the ss */
1077 0, /* rss: file name (of source, if known) */
1078 0, /* issBase: file's string space */
1079 0, /* isymBase: beginning of symbols */
1080 0, /* csym: count file's of symbols */
1081 0, /* ilineBase: file's line symbols */
1082 0, /* cline: count of file's line symbols */
1083 0, /* ioptBase: file's optimization entries */
1084 0, /* copt: count of file's optimization entries */
1085 0, /* ipdFirst: start of procedures for this file */
1086 0, /* cpd: count of procedures for this file */
1087 0, /* iauxBase: file's auxiliary entries */
1088 0, /* caux: count of file's auxiliary entries */
1089 0, /* rfdBase: index into the file indirect table */
1090 0, /* crfd: count file indirect entries */
1091 langC, /* lang: language for this file */
1092 1, /* fMerge: whether this file can be merged */
1093 0, /* fReadin: true if read in (not just created) */
1094 #ifdef HOST_WORDS_BIG_ENDIAN
1095 1, /* fBigendian: if 1, compiled on big endian machine */
1096 #else
1097 0, /* fBigendian: if 1, compiled on big endian machine */
1098 #endif
1099 0, /* fTrim: whether the symbol table was trimmed */
1100 GLEVEL_2, /* glevel: level this file was compiled with */
1101 0, /* reserved: reserved for future use */
1102 #else
1103 0, /* adr: memory address of beginning of file */
1104 0, /* rss: file name (of source, if known) */
1105 0, /* issBase: file's string space */
1106 0, /* cbSs: number of bytes in the ss */
1107 0, /* isymBase: beginning of symbols */
1108 0, /* csym: count file's of symbols */
1109 0, /* ilineBase: file's line symbols */
1110 0, /* cline: count of file's line symbols */
1111 0, /* ioptBase: file's optimization entries */
1112 0, /* copt: count of file's optimization entries */
1113 0, /* ipdFirst: start of procedures for this file */
1114 0, /* cpd: count of procedures for this file */
1115 0, /* iauxBase: file's auxiliary entries */
1116 0, /* caux: count of file's auxiliary entries */
1117 0, /* rfdBase: index into the file indirect table */
1118 0, /* crfd: count file indirect entries */
1119 langC, /* lang: language for this file */
1120 1, /* fMerge: whether this file can be merged */
1121 0, /* fReadin: true if read in (not just created) */
1122 #ifdef HOST_WORDS_BIG_ENDIAN
1123 1, /* fBigendian: if 1, compiled on big endian machine */
1124 #else
1125 0, /* fBigendian: if 1, compiled on big endian machine */
1126 #endif
1127 GLEVEL_2, /* glevel: level this file was compiled with */
1128 0, /* reserved: reserved for future use */
1129 0, /* cbLineOffset: byte offset from header for this file ln's */
1130 0, /* cbLine: size of lines for this file */
1131 #endif
1132 },
1133
1134 (FDR *) 0, /* orig_fdr: original file header pointer */
1135 (char *) 0, /* name: pointer to filename */
1136 0, /* name_len: length of filename */
1137 0, /* void_type: ptr to aux node for void type */
1138 0, /* int_type: ptr to aux node for int type */
1139 (scope_t *) 0, /* cur_scope: current scope being processed */
1140 0, /* file_index: current file # */
1141 0, /* nested_scopes: # nested scopes */
1142 INIT_VARRAY (char), /* strings: local string varray */
1143 INIT_VARRAY (SYMR), /* symbols: local symbols varray */
1144 INIT_VARRAY (PDR), /* procs: procedure varray */
1145 INIT_VARRAY (AUXU), /* aux_syms: auxiliary symbols varray */
1146
1147 (struct efdr *) 0, /* next_file: next file structure */
1148
1149 (shash_t **) 0, /* shash_head: string hash table */
1150 { 0 }, /* thash_head: type hash table */
1151 };
1152
1153
1154 static efdr_t *first_file; /* first file descriptor */
1155 static efdr_t **last_file_ptr = &first_file; /* file descriptor tail */
1156
1157
1158 /* Union of various things that are held in pages. */
1159 typedef union page {
1160 char byte [ PAGE_SIZE ];
1161 unsigned char ubyte [ PAGE_SIZE ];
1162 efdr_t file [ PAGE_SIZE / sizeof (efdr_t) ];
1163 FDR ofile [ PAGE_SIZE / sizeof (FDR) ];
1164 PDR proc [ PAGE_SIZE / sizeof (PDR) ];
1165 SYMR sym [ PAGE_SIZE / sizeof (SYMR) ];
1166 EXTR esym [ PAGE_SIZE / sizeof (EXTR) ];
1167 AUXU aux [ PAGE_SIZE / sizeof (AUXU) ];
1168 DNR dense [ PAGE_SIZE / sizeof (DNR) ];
1169 scope_t scope [ PAGE_SIZE / sizeof (scope_t) ];
1170 vlinks_t vlinks [ PAGE_SIZE / sizeof (vlinks_t) ];
1171 shash_t shash [ PAGE_SIZE / sizeof (shash_t) ];
1172 thash_t thash [ PAGE_SIZE / sizeof (thash_t) ];
1173 tag_t tag [ PAGE_SIZE / sizeof (tag_t) ];
1174 forward_t forward [ PAGE_SIZE / sizeof (forward_t) ];
1175 thead_t thead [ PAGE_SIZE / sizeof (thead_t) ];
1176 } page_t;
1177
1178
1179 /* Structure holding allocation information for small sized structures. */
1180 typedef struct alloc_info {
1181 const char *alloc_name; /* name of this allocation type (must be first) */
1182 page_t *cur_page; /* current page being allocated from */
1183 small_free_t free_list; /* current free list if any */
1184 int unallocated; /* number of elements unallocated on page */
1185 int total_alloc; /* total number of allocations */
1186 int total_free; /* total number of frees */
1187 int total_pages; /* total number of pages allocated */
1188 } alloc_info_t;
1189
1190 /* Type information collected together. */
1191 typedef struct type_info {
1192 bt_t basic_type; /* basic type */
1193 coff_type_t orig_type; /* original COFF-based type */
1194 int num_tq; /* # type qualifiers */
1195 int num_dims; /* # dimensions */
1196 int num_sizes; /* # sizes */
1197 int extra_sizes; /* # extra sizes not tied with dims */
1198 tag_t * tag_ptr; /* tag pointer */
1199 int bitfield; /* symbol is a bitfield */
1200 int unknown_tag; /* this is an unknown tag */
1201 tq_t type_qualifiers[N_TQ]; /* type qualifiers (ptr, func, array)*/
1202 symint_t dimensions [N_TQ]; /* dimensions for each array */
1203 symint_t sizes [N_TQ+2]; /* sizes of each array slice + size of
1204 struct/union/enum + bitfield size */
1205 } type_info_t;
1206
1207 /* Pre-initialized type_info struct. */
1208 static type_info_t type_info_init = {
1209 bt_Nil, /* basic type */
1210 T_NULL, /* original COFF-based type */
1211 0, /* # type qualifiers */
1212 0, /* # dimensions */
1213 0, /* # sizes */
1214 0, /* sizes not tied with dims */
1215 NULL, /* ptr to tag */
1216 0, /* bitfield */
1217 0, /* unknown tag */
1218 { /* type qualifiers */
1219 tq_Nil,
1220 tq_Nil,
1221 tq_Nil,
1222 tq_Nil,
1223 tq_Nil,
1224 tq_Nil,
1225 },
1226 { /* dimensions */
1227 0,
1228 0,
1229 0,
1230 0,
1231 0,
1232 0
1233 },
1234 { /* sizes */
1235 0,
1236 0,
1237 0,
1238 0,
1239 0,
1240 0,
1241 0,
1242 0,
1243 },
1244 };
1245
1246
1247 /* Global virtual arrays & hash table for external strings as well as
1248 for the tags table and global tables for file descriptors, and
1249 dense numbers. */
1250
1251 static varray_t file_desc = INIT_VARRAY (efdr_t);
1252 static varray_t dense_num = INIT_VARRAY (DNR);
1253 static varray_t tag_strings = INIT_VARRAY (char);
1254 static varray_t ext_strings = INIT_VARRAY (char);
1255 static varray_t ext_symbols = INIT_VARRAY (EXTR);
1256
1257 static shash_t *orig_str_hash[SHASH_SIZE];
1258 static shash_t *ext_str_hash [SHASH_SIZE];
1259 static shash_t *tag_hash [SHASH_SIZE];
1260
1261 /* Static types for int and void. Also, remember the last function's
1262 type (which is set up when we encounter the declaration for the
1263 function, and used when the end block for the function is emitted. */
1264
1265 static type_info_t int_type_info;
1266 static type_info_t void_type_info;
1267 static type_info_t last_func_type_info;
1268 static EXTR *last_func_eptr;
1269
1270
1271 /* Convert COFF basic type to ECOFF basic type. The T_NULL type
1272 really should use bt_Void, but this causes the current ecoff GDB to
1273 issue unsupported type messages, and the Ultrix 4.00 dbx (aka MIPS
1274 2.0) doesn't understand it, even though the compiler generates it.
1275 Maybe this will be fixed in 2.10 or 2.20 of the MIPS compiler
1276 suite, but for now go with what works. */
1277
1278 static const bt_t map_coff_types[ (int) T_MAX ] = {
1279 bt_Nil, /* T_NULL */
1280 bt_Nil, /* T_ARG */
1281 bt_Char, /* T_CHAR */
1282 bt_Short, /* T_SHORT */
1283 bt_Int, /* T_INT */
1284 bt_Long, /* T_LONG */
1285 bt_Float, /* T_FLOAT */
1286 bt_Double, /* T_DOUBLE */
1287 bt_Struct, /* T_STRUCT */
1288 bt_Union, /* T_UNION */
1289 bt_Enum, /* T_ENUM */
1290 bt_Enum, /* T_MOE */
1291 bt_UChar, /* T_UCHAR */
1292 bt_UShort, /* T_USHORT */
1293 bt_UInt, /* T_UINT */
1294 bt_ULong /* T_ULONG */
1295 };
1296
1297 /* Convert COFF storage class to ECOFF storage class. */
1298 static const sc_t map_coff_storage[ (int) C_MAX ] = {
1299 sc_Nil, /* 0: C_NULL */
1300 sc_Abs, /* 1: C_AUTO auto var */
1301 sc_Undefined, /* 2: C_EXT external */
1302 sc_Data, /* 3: C_STAT static */
1303 sc_Register, /* 4: C_REG register */
1304 sc_Undefined, /* 5: C_EXTDEF ??? */
1305 sc_Text, /* 6: C_LABEL label */
1306 sc_Text, /* 7: C_ULABEL user label */
1307 sc_Info, /* 8: C_MOS member of struct */
1308 sc_Abs, /* 9: C_ARG argument */
1309 sc_Info, /* 10: C_STRTAG struct tag */
1310 sc_Info, /* 11: C_MOU member of union */
1311 sc_Info, /* 12: C_UNTAG union tag */
1312 sc_Info, /* 13: C_TPDEF typedef */
1313 sc_Data, /* 14: C_USTATIC ??? */
1314 sc_Info, /* 15: C_ENTAG enum tag */
1315 sc_Info, /* 16: C_MOE member of enum */
1316 sc_Register, /* 17: C_REGPARM register parameter */
1317 sc_Bits, /* 18; C_FIELD bitfield */
1318 sc_Nil, /* 19 */
1319 sc_Nil, /* 20 */
1320 sc_Nil, /* 21 */
1321 sc_Nil, /* 22 */
1322 sc_Nil, /* 23 */
1323 sc_Nil, /* 24 */
1324 sc_Nil, /* 25 */
1325 sc_Nil, /* 26 */
1326 sc_Nil, /* 27 */
1327 sc_Nil, /* 28 */
1328 sc_Nil, /* 29 */
1329 sc_Nil, /* 30 */
1330 sc_Nil, /* 31 */
1331 sc_Nil, /* 32 */
1332 sc_Nil, /* 33 */
1333 sc_Nil, /* 34 */
1334 sc_Nil, /* 35 */
1335 sc_Nil, /* 36 */
1336 sc_Nil, /* 37 */
1337 sc_Nil, /* 38 */
1338 sc_Nil, /* 39 */
1339 sc_Nil, /* 40 */
1340 sc_Nil, /* 41 */
1341 sc_Nil, /* 42 */
1342 sc_Nil, /* 43 */
1343 sc_Nil, /* 44 */
1344 sc_Nil, /* 45 */
1345 sc_Nil, /* 46 */
1346 sc_Nil, /* 47 */
1347 sc_Nil, /* 48 */
1348 sc_Nil, /* 49 */
1349 sc_Nil, /* 50 */
1350 sc_Nil, /* 51 */
1351 sc_Nil, /* 52 */
1352 sc_Nil, /* 53 */
1353 sc_Nil, /* 54 */
1354 sc_Nil, /* 55 */
1355 sc_Nil, /* 56 */
1356 sc_Nil, /* 57 */
1357 sc_Nil, /* 58 */
1358 sc_Nil, /* 59 */
1359 sc_Nil, /* 60 */
1360 sc_Nil, /* 61 */
1361 sc_Nil, /* 62 */
1362 sc_Nil, /* 63 */
1363 sc_Nil, /* 64 */
1364 sc_Nil, /* 65 */
1365 sc_Nil, /* 66 */
1366 sc_Nil, /* 67 */
1367 sc_Nil, /* 68 */
1368 sc_Nil, /* 69 */
1369 sc_Nil, /* 70 */
1370 sc_Nil, /* 71 */
1371 sc_Nil, /* 72 */
1372 sc_Nil, /* 73 */
1373 sc_Nil, /* 74 */
1374 sc_Nil, /* 75 */
1375 sc_Nil, /* 76 */
1376 sc_Nil, /* 77 */
1377 sc_Nil, /* 78 */
1378 sc_Nil, /* 79 */
1379 sc_Nil, /* 80 */
1380 sc_Nil, /* 81 */
1381 sc_Nil, /* 82 */
1382 sc_Nil, /* 83 */
1383 sc_Nil, /* 84 */
1384 sc_Nil, /* 85 */
1385 sc_Nil, /* 86 */
1386 sc_Nil, /* 87 */
1387 sc_Nil, /* 88 */
1388 sc_Nil, /* 89 */
1389 sc_Nil, /* 90 */
1390 sc_Nil, /* 91 */
1391 sc_Nil, /* 92 */
1392 sc_Nil, /* 93 */
1393 sc_Nil, /* 94 */
1394 sc_Nil, /* 95 */
1395 sc_Nil, /* 96 */
1396 sc_Nil, /* 97 */
1397 sc_Nil, /* 98 */
1398 sc_Nil, /* 99 */
1399 sc_Text, /* 100: C_BLOCK block start/end */
1400 sc_Text, /* 101: C_FCN function start/end */
1401 sc_Info, /* 102: C_EOS end of struct/union/enum */
1402 sc_Nil, /* 103: C_FILE file start */
1403 sc_Nil, /* 104: C_LINE line number */
1404 sc_Nil, /* 105: C_ALIAS combined type info */
1405 sc_Nil, /* 106: C_HIDDEN ??? */
1406 };
1407
1408 /* Convert COFF storage class to ECOFF symbol type. */
1409 static const st_t map_coff_sym_type[ (int) C_MAX ] = {
1410 st_Nil, /* 0: C_NULL */
1411 st_Local, /* 1: C_AUTO auto var */
1412 st_Global, /* 2: C_EXT external */
1413 st_Static, /* 3: C_STAT static */
1414 st_Local, /* 4: C_REG register */
1415 st_Global, /* 5: C_EXTDEF ??? */
1416 st_Label, /* 6: C_LABEL label */
1417 st_Label, /* 7: C_ULABEL user label */
1418 st_Member, /* 8: C_MOS member of struct */
1419 st_Param, /* 9: C_ARG argument */
1420 st_Block, /* 10: C_STRTAG struct tag */
1421 st_Member, /* 11: C_MOU member of union */
1422 st_Block, /* 12: C_UNTAG union tag */
1423 st_Typedef, /* 13: C_TPDEF typedef */
1424 st_Static, /* 14: C_USTATIC ??? */
1425 st_Block, /* 15: C_ENTAG enum tag */
1426 st_Member, /* 16: C_MOE member of enum */
1427 st_Param, /* 17: C_REGPARM register parameter */
1428 st_Member, /* 18; C_FIELD bitfield */
1429 st_Nil, /* 19 */
1430 st_Nil, /* 20 */
1431 st_Nil, /* 21 */
1432 st_Nil, /* 22 */
1433 st_Nil, /* 23 */
1434 st_Nil, /* 24 */
1435 st_Nil, /* 25 */
1436 st_Nil, /* 26 */
1437 st_Nil, /* 27 */
1438 st_Nil, /* 28 */
1439 st_Nil, /* 29 */
1440 st_Nil, /* 30 */
1441 st_Nil, /* 31 */
1442 st_Nil, /* 32 */
1443 st_Nil, /* 33 */
1444 st_Nil, /* 34 */
1445 st_Nil, /* 35 */
1446 st_Nil, /* 36 */
1447 st_Nil, /* 37 */
1448 st_Nil, /* 38 */
1449 st_Nil, /* 39 */
1450 st_Nil, /* 40 */
1451 st_Nil, /* 41 */
1452 st_Nil, /* 42 */
1453 st_Nil, /* 43 */
1454 st_Nil, /* 44 */
1455 st_Nil, /* 45 */
1456 st_Nil, /* 46 */
1457 st_Nil, /* 47 */
1458 st_Nil, /* 48 */
1459 st_Nil, /* 49 */
1460 st_Nil, /* 50 */
1461 st_Nil, /* 51 */
1462 st_Nil, /* 52 */
1463 st_Nil, /* 53 */
1464 st_Nil, /* 54 */
1465 st_Nil, /* 55 */
1466 st_Nil, /* 56 */
1467 st_Nil, /* 57 */
1468 st_Nil, /* 58 */
1469 st_Nil, /* 59 */
1470 st_Nil, /* 60 */
1471 st_Nil, /* 61 */
1472 st_Nil, /* 62 */
1473 st_Nil, /* 63 */
1474 st_Nil, /* 64 */
1475 st_Nil, /* 65 */
1476 st_Nil, /* 66 */
1477 st_Nil, /* 67 */
1478 st_Nil, /* 68 */
1479 st_Nil, /* 69 */
1480 st_Nil, /* 70 */
1481 st_Nil, /* 71 */
1482 st_Nil, /* 72 */
1483 st_Nil, /* 73 */
1484 st_Nil, /* 74 */
1485 st_Nil, /* 75 */
1486 st_Nil, /* 76 */
1487 st_Nil, /* 77 */
1488 st_Nil, /* 78 */
1489 st_Nil, /* 79 */
1490 st_Nil, /* 80 */
1491 st_Nil, /* 81 */
1492 st_Nil, /* 82 */
1493 st_Nil, /* 83 */
1494 st_Nil, /* 84 */
1495 st_Nil, /* 85 */
1496 st_Nil, /* 86 */
1497 st_Nil, /* 87 */
1498 st_Nil, /* 88 */
1499 st_Nil, /* 89 */
1500 st_Nil, /* 90 */
1501 st_Nil, /* 91 */
1502 st_Nil, /* 92 */
1503 st_Nil, /* 93 */
1504 st_Nil, /* 94 */
1505 st_Nil, /* 95 */
1506 st_Nil, /* 96 */
1507 st_Nil, /* 97 */
1508 st_Nil, /* 98 */
1509 st_Nil, /* 99 */
1510 st_Block, /* 100: C_BLOCK block start/end */
1511 st_Proc, /* 101: C_FCN function start/end */
1512 st_End, /* 102: C_EOS end of struct/union/enum */
1513 st_File, /* 103: C_FILE file start */
1514 st_Nil, /* 104: C_LINE line number */
1515 st_Nil, /* 105: C_ALIAS combined type info */
1516 st_Nil, /* 106: C_HIDDEN ??? */
1517 };
1518
1519 /* Map COFF derived types to ECOFF type qualifiers. */
1520 static const tq_t map_coff_derived_type[ (int) DT_MAX ] = {
1521 tq_Nil, /* 0: DT_NON no more qualifiers */
1522 tq_Ptr, /* 1: DT_PTR pointer */
1523 tq_Proc, /* 2: DT_FCN function */
1524 tq_Array, /* 3: DT_ARY array */
1525 };
1526
1527
1528 /* Keep track of different sized allocation requests. */
1529 static alloc_info_t alloc_counts[ (int) alloc_type_last ];
1530
1531 \f
1532 /* Pointers and such to the original symbol table that is read in. */
1533 static struct filehdr orig_file_header; /* global object file header */
1534
1535 static HDRR orig_sym_hdr; /* symbolic header on input */
1536 static char *orig_linenum; /* line numbers */
1537 static DNR *orig_dense; /* dense numbers */
1538 static PDR *orig_procs; /* procedures */
1539 static SYMR *orig_local_syms; /* local symbols */
1540 static OPTR *orig_opt_syms; /* optimization symbols */
1541 static AUXU *orig_aux_syms; /* auxiliary symbols */
1542 static char *orig_local_strs; /* local strings */
1543 static char *orig_ext_strs; /* external strings */
1544 static FDR *orig_files; /* file descriptors */
1545 static symint_t *orig_rfds; /* relative file desc's */
1546 static EXTR *orig_ext_syms; /* external symbols */
1547
1548 /* Macros to convert an index into a given object within the original
1549 symbol table. */
1550 #define CHECK(num,max,str) \
1551 (((unsigned long) num > (unsigned long) max) ? out_of_bounds (num, max, str, __LINE__) : 0)
1552
1553 #define ORIG_LINENUM(indx) (CHECK ((indx), orig_sym_hdr.cbLine, "line#"), (indx) + orig_linenum)
1554 #define ORIG_DENSE(indx) (CHECK ((indx), orig_sym_hdr.idnMax, "dense"), (indx) + orig_dense)
1555 #define ORIG_PROCS(indx) (CHECK ((indx), orig_sym_hdr.ipdMax, "procs"), (indx) + orig_procs)
1556 #define ORIG_FILES(indx) (CHECK ((indx), orig_sym_hdr.ifdMax, "funcs"), (indx) + orig_files)
1557 #define ORIG_LSYMS(indx) (CHECK ((indx), orig_sym_hdr.isymMax, "lsyms"), (indx) + orig_local_syms)
1558 #define ORIG_LSTRS(indx) (CHECK ((indx), orig_sym_hdr.issMax, "lstrs"), (indx) + orig_local_strs)
1559 #define ORIG_ESYMS(indx) (CHECK ((indx), orig_sym_hdr.iextMax, "esyms"), (indx) + orig_ext_syms)
1560 #define ORIG_ESTRS(indx) (CHECK ((indx), orig_sym_hdr.issExtMax, "estrs"), (indx) + orig_ext_strs)
1561 #define ORIG_OPT(indx) (CHECK ((indx), orig_sym_hdr.ioptMax, "opt"), (indx) + orig_opt_syms)
1562 #define ORIG_AUX(indx) (CHECK ((indx), orig_sym_hdr.iauxMax, "aux"), (indx) + orig_aux_syms)
1563 #define ORIG_RFDS(indx) (CHECK ((indx), orig_sym_hdr.crfd, "rfds"), (indx) + orig_rfds)
1564
1565 /* Various other statics. */
1566 static HDRR symbolic_header; /* symbolic header */
1567 static efdr_t *cur_file_ptr = (efdr_t *) 0; /* current file desc. header */
1568 static PDR *cur_proc_ptr = (PDR *) 0; /* current procedure header */
1569 static SYMR *cur_oproc_begin = (SYMR *) 0; /* original proc. sym begin info */
1570 static SYMR *cur_oproc_end = (SYMR *) 0; /* original proc. sym end info */
1571 static PDR *cur_oproc_ptr = (PDR *) 0; /* current original procedure*/
1572 static thead_t *cur_tag_head = (thead_t *) 0;/* current tag head */
1573 static long file_offset = 0; /* current file offset */
1574 static long max_file_offset = 0; /* maximum file offset */
1575 static FILE *object_stream = (FILE *) 0; /* file desc. to output .o */
1576 static FILE *obj_in_stream = (FILE *) 0; /* file desc. to input .o */
1577 static char *progname = (char *) 0; /* program name for errors */
1578 static const char *input_name = "stdin"; /* name of input file */
1579 static char *object_name = (char *) 0; /* tmp. name of object file */
1580 static char *obj_in_name = (char *) 0; /* name of input object file */
1581 static char *cur_line_start = (char *) 0; /* current line read in */
1582 static char *cur_line_ptr = (char *) 0; /* ptr within current line */
1583 static unsigned cur_line_nbytes = 0; /* # bytes for current line */
1584 static unsigned cur_line_alloc = 0; /* # bytes total in buffer */
1585 static long line_number = 0; /* current input line number */
1586 static int debug = 0; /* trace functions */
1587 static int version = 0; /* print version # */
1588 static int had_errors = 0; /* != 0 if errors were found */
1589 static int rename_output = 0; /* != 0 if rename output file*/
1590 static int delete_input = 0; /* != 0 if delete input after done */
1591 static int stabs_seen = 0; /* != 0 if stabs have been seen */
1592
1593
1594 /* Pseudo symbol to use when putting stabs into the symbol table. */
1595 #ifndef STABS_SYMBOL
1596 #define STABS_SYMBOL "@stabs"
1597 #endif
1598
1599 static const char stabs_symbol[] = STABS_SYMBOL;
1600
1601 \f
1602 /* Forward reference for functions. See the definition for more details. */
1603
1604 #ifndef STATIC
1605 #define STATIC static
1606 #endif
1607
1608 STATIC int out_of_bounds PARAMS ((symint_t, symint_t, const char *, int));
1609
1610 STATIC shash_t *hash_string PARAMS ((const char *,
1611 Ptrdiff_t,
1612 shash_t **,
1613 symint_t *));
1614
1615 STATIC symint_t add_string PARAMS ((varray_t *,
1616 shash_t **,
1617 const char *,
1618 const char *,
1619 shash_t **));
1620
1621 STATIC symint_t add_local_symbol
1622 PARAMS ((const char *,
1623 const char *,
1624 st_t,
1625 sc_t,
1626 symint_t,
1627 symint_t));
1628
1629 STATIC symint_t add_ext_symbol PARAMS ((EXTR *,
1630 int));
1631
1632 STATIC symint_t add_aux_sym_symint
1633 PARAMS ((symint_t));
1634
1635 STATIC symint_t add_aux_sym_rndx
1636 PARAMS ((int, symint_t));
1637
1638 STATIC symint_t add_aux_sym_tir PARAMS ((type_info_t *,
1639 hash_state_t,
1640 thash_t **));
1641
1642 STATIC tag_t * get_tag PARAMS ((const char *,
1643 const char *,
1644 symint_t,
1645 bt_t));
1646
1647 STATIC void add_unknown_tag PARAMS ((tag_t *));
1648
1649 STATIC void add_procedure PARAMS ((const char *,
1650 const char *));
1651
1652 STATIC void add_file PARAMS ((const char *,
1653 const char *));
1654
1655 STATIC void add_bytes PARAMS ((varray_t *,
1656 char *,
1657 Size_t));
1658
1659 STATIC void add_varray_page PARAMS ((varray_t *));
1660
1661 STATIC void update_headers PARAMS ((void));
1662
1663 STATIC void write_varray PARAMS ((varray_t *, off_t, const char *));
1664 STATIC void write_object PARAMS ((void));
1665 STATIC const char *st_to_string PARAMS ((st_t));
1666 STATIC const char *sc_to_string PARAMS ((sc_t));
1667 STATIC char *read_line PARAMS ((void));
1668 STATIC void parse_input PARAMS ((void));
1669 STATIC void mark_stabs PARAMS ((const char *));
1670 STATIC void parse_begin PARAMS ((const char *));
1671 STATIC void parse_bend PARAMS ((const char *));
1672 STATIC void parse_def PARAMS ((const char *));
1673 STATIC void parse_end PARAMS ((const char *));
1674 STATIC void parse_ent PARAMS ((const char *));
1675 STATIC void parse_file PARAMS ((const char *));
1676 STATIC void parse_stabs_common
1677 PARAMS ((const char *, const char *, const char *));
1678 STATIC void parse_stabs PARAMS ((const char *));
1679 STATIC void parse_stabn PARAMS ((const char *));
1680 STATIC page_t *read_seek PARAMS ((Size_t, off_t, const char *));
1681 STATIC void copy_object PARAMS ((void));
1682
1683 STATIC void catch_signal PARAMS ((int)) ATTRIBUTE_NORETURN;
1684 STATIC page_t *allocate_page PARAMS ((void));
1685
1686 STATIC page_t *allocate_multiple_pages
1687 PARAMS ((Size_t));
1688
1689 STATIC void free_multiple_pages
1690 PARAMS ((page_t *, Size_t));
1691
1692 #ifndef MALLOC_CHECK
1693 STATIC page_t *allocate_cluster
1694 PARAMS ((Size_t));
1695 #endif
1696
1697 STATIC forward_t *allocate_forward PARAMS ((void));
1698 STATIC scope_t *allocate_scope PARAMS ((void));
1699 STATIC shash_t *allocate_shash PARAMS ((void));
1700 STATIC tag_t *allocate_tag PARAMS ((void));
1701 STATIC thash_t *allocate_thash PARAMS ((void));
1702 STATIC thead_t *allocate_thead PARAMS ((void));
1703 STATIC vlinks_t *allocate_vlinks PARAMS ((void));
1704
1705 STATIC void free_forward PARAMS ((forward_t *));
1706 STATIC void free_scope PARAMS ((scope_t *));
1707 STATIC void free_tag PARAMS ((tag_t *));
1708 STATIC void free_thead PARAMS ((thead_t *));
1709
1710 extern char *optarg;
1711 extern int optind;
1712 extern int opterr;
1713 \f
1714 /* List of assembler pseudo ops and beginning sequences that need
1715 special actions. Someday, this should be a hash table, and such,
1716 but for now a linear list of names and calls to memcmp will
1717 do...... */
1718
1719 typedef struct _pseudo_ops {
1720 const char *const name; /* pseudo-op in ascii */
1721 const int len; /* length of name to compare */
1722 void (*const func) PARAMS ((const char *)); /* function to handle line */
1723 } pseudo_ops_t;
1724
1725 static const pseudo_ops_t pseudo_ops[] = {
1726 { "#.def", sizeof("#.def")-1, parse_def },
1727 { "#.begin", sizeof("#.begin")-1, parse_begin },
1728 { "#.bend", sizeof("#.bend")-1, parse_bend },
1729 { ".end", sizeof(".end")-1, parse_end },
1730 { ".ent", sizeof(".ent")-1, parse_ent },
1731 { ".file", sizeof(".file")-1, parse_file },
1732 { "#.stabs", sizeof("#.stabs")-1, parse_stabs },
1733 { "#.stabn", sizeof("#.stabn")-1, parse_stabn },
1734 { ".stabs", sizeof(".stabs")-1, parse_stabs },
1735 { ".stabn", sizeof(".stabn")-1, parse_stabn },
1736 { "#@stabs", sizeof("#@stabs")-1, mark_stabs },
1737 };
1738
1739 \f
1740 /* Add a page to a varray object. */
1741
1742 STATIC void
1743 add_varray_page (vp)
1744 varray_t *vp; /* varray to add page to */
1745 {
1746 vlinks_t *new_links = allocate_vlinks ();
1747
1748 #ifdef MALLOC_CHECK
1749 if (vp->object_size > 1)
1750 new_links->datum = (page_t *) xcalloc (1, vp->object_size);
1751 else
1752 #endif
1753 new_links->datum = allocate_page ();
1754
1755 alloc_counts[ (int) alloc_type_varray ].total_alloc++;
1756 alloc_counts[ (int) alloc_type_varray ].total_pages++;
1757
1758 new_links->start_index = vp->num_allocated;
1759 vp->objects_last_page = 0;
1760
1761 if (vp->first == (vlinks_t *) 0) /* first allocation? */
1762 vp->first = vp->last = new_links;
1763 else
1764 { /* 2nd or greater allocation */
1765 new_links->prev = vp->last;
1766 vp->last->next = new_links;
1767 vp->last = new_links;
1768 }
1769 }
1770
1771 \f
1772 /* Compute hash code (from tree.c) */
1773
1774 #define HASHBITS 30
1775
1776 STATIC shash_t *
1777 hash_string (text, hash_len, hash_tbl, ret_hash_index)
1778 const char *text; /* ptr to text to hash */
1779 Ptrdiff_t hash_len; /* length of the text */
1780 shash_t **hash_tbl; /* hash table */
1781 symint_t *ret_hash_index; /* ptr to store hash index */
1782 {
1783 unsigned long hi;
1784 Ptrdiff_t i;
1785 shash_t *ptr;
1786 int first_ch = *text;
1787
1788 hi = hash_len;
1789 for (i = 0; i < hash_len; i++)
1790 hi = ((hi & 0x003fffff) * 613) + (text[i] & 0xff);
1791
1792 hi &= (1 << HASHBITS) - 1;
1793 hi %= SHASH_SIZE;
1794
1795 if (ret_hash_index != (symint_t *) 0)
1796 *ret_hash_index = hi;
1797
1798 for (ptr = hash_tbl[hi]; ptr != (shash_t *) 0; ptr = ptr->next)
1799 if ((symint_t) hash_len == ptr->len
1800 && first_ch == ptr->string[0]
1801 && memcmp (text, ptr->string, hash_len) == 0)
1802 break;
1803
1804 return ptr;
1805 }
1806
1807 \f
1808 /* Add a string (and null pad) to one of the string tables. A
1809 consequence of hashing strings, is that we don't let strings
1810 cross page boundaries. The extra nulls will be ignored. */
1811
1812 STATIC symint_t
1813 add_string (vp, hash_tbl, start, end_p1, ret_hash)
1814 varray_t *vp; /* string virtual array */
1815 shash_t **hash_tbl; /* ptr to hash table */
1816 const char *start; /* 1st byte in string */
1817 const char *end_p1; /* 1st byte after string */
1818 shash_t **ret_hash; /* return hash pointer */
1819 {
1820 Ptrdiff_t len = end_p1 - start;
1821 shash_t *hash_ptr;
1822 symint_t hi;
1823
1824 if (len >= (Ptrdiff_t) PAGE_USIZE)
1825 fatal ("string too big (%ld bytes)", (long) len);
1826
1827 hash_ptr = hash_string (start, len, hash_tbl, &hi);
1828 if (hash_ptr == (shash_t *) 0)
1829 {
1830 char *p;
1831
1832 if (vp->objects_last_page + len >= (long) PAGE_USIZE)
1833 {
1834 vp->num_allocated
1835 = ((vp->num_allocated + PAGE_USIZE - 1) / PAGE_USIZE) * PAGE_USIZE;
1836 add_varray_page (vp);
1837 }
1838
1839 hash_ptr = allocate_shash ();
1840 hash_ptr->next = hash_tbl[hi];
1841 hash_tbl[hi] = hash_ptr;
1842
1843 hash_ptr->len = len;
1844 hash_ptr->indx = vp->num_allocated;
1845 hash_ptr->string = p = & vp->last->datum->byte[ vp->objects_last_page ];
1846
1847 vp->objects_last_page += len+1;
1848 vp->num_allocated += len+1;
1849
1850 while (len-- > 0)
1851 *p++ = *start++;
1852
1853 *p = '\0';
1854 }
1855
1856 if (ret_hash != (shash_t **) 0)
1857 *ret_hash = hash_ptr;
1858
1859 return hash_ptr->indx;
1860 }
1861
1862 \f
1863 /* Add a local symbol. */
1864
1865 STATIC symint_t
1866 add_local_symbol (str_start, str_end_p1, type, storage, value, indx)
1867 const char *str_start; /* first byte in string */
1868 const char *str_end_p1; /* first byte after string */
1869 st_t type; /* symbol type */
1870 sc_t storage; /* storage class */
1871 symint_t value; /* value of symbol */
1872 symint_t indx; /* index to local/aux. syms */
1873 {
1874 symint_t ret;
1875 SYMR *psym;
1876 scope_t *pscope;
1877 thead_t *ptag_head;
1878 tag_t *ptag;
1879 tag_t *ptag_next;
1880 varray_t *vp = &cur_file_ptr->symbols;
1881 int scope_delta = 0;
1882 shash_t *hash_ptr = (shash_t *) 0;
1883
1884 if (vp->objects_last_page == vp->objects_per_page)
1885 add_varray_page (vp);
1886
1887 psym = &vp->last->datum->sym[ vp->objects_last_page++ ];
1888
1889 psym->value = value;
1890 psym->st = (unsigned) type;
1891 psym->sc = (unsigned) storage;
1892 psym->index = indx;
1893 psym->iss = (str_start == (const char *) 0)
1894 ? 0
1895 : add_string (&cur_file_ptr->strings,
1896 &cur_file_ptr->shash_head[0],
1897 str_start,
1898 str_end_p1,
1899 &hash_ptr);
1900
1901 ret = vp->num_allocated++;
1902
1903 if (MIPS_IS_STAB (psym))
1904 return ret;
1905
1906 /* Save the symbol within the hash table if this is a static
1907 item, and it has a name. */
1908 if (hash_ptr != (shash_t *) 0
1909 && (type == st_Global || type == st_Static || type == st_Label
1910 || type == st_Proc || type == st_StaticProc))
1911 hash_ptr->sym_ptr = psym;
1912
1913 /* push or pop a scope if appropriate. */
1914 switch (type)
1915 {
1916 default:
1917 break;
1918
1919 case st_File: /* beginning of file */
1920 case st_Proc: /* procedure */
1921 case st_StaticProc: /* static procedure */
1922 case st_Block: /* begin scope */
1923 pscope = allocate_scope ();
1924 pscope->prev = cur_file_ptr->cur_scope;
1925 pscope->lsym = psym;
1926 pscope->lnumber = ret;
1927 pscope->type = type;
1928 cur_file_ptr->cur_scope = pscope;
1929
1930 if (type != st_File)
1931 scope_delta = 1;
1932
1933 /* For every block type except file, struct, union, or
1934 enumeration blocks, push a level on the tag stack. We omit
1935 file types, so that tags can span file boundaries. */
1936 if (type != st_File && storage != sc_Info)
1937 {
1938 ptag_head = allocate_thead ();
1939 ptag_head->first_tag = 0;
1940 ptag_head->prev = cur_tag_head;
1941 cur_tag_head = ptag_head;
1942 }
1943 break;
1944
1945 case st_End:
1946 pscope = cur_file_ptr->cur_scope;
1947 if (pscope == (scope_t *) 0)
1948 error ("internal error, too many st_End's");
1949
1950 else
1951 {
1952 st_t begin_type = (st_t) pscope->lsym->st;
1953
1954 if (begin_type != st_File)
1955 scope_delta = -1;
1956
1957 /* Except for file, structure, union, or enumeration end
1958 blocks remove all tags created within this scope. */
1959 if (begin_type != st_File && storage != sc_Info)
1960 {
1961 ptag_head = cur_tag_head;
1962 cur_tag_head = ptag_head->prev;
1963
1964 for (ptag = ptag_head->first_tag;
1965 ptag != (tag_t *) 0;
1966 ptag = ptag_next)
1967 {
1968 if (ptag->forward_ref != (forward_t *) 0)
1969 add_unknown_tag (ptag);
1970
1971 ptag_next = ptag->same_block;
1972 ptag->hash_ptr->tag_ptr = ptag->same_name;
1973 free_tag (ptag);
1974 }
1975
1976 free_thead (ptag_head);
1977 }
1978
1979 cur_file_ptr->cur_scope = pscope->prev;
1980 psym->index = pscope->lnumber; /* blk end gets begin sym # */
1981
1982 if (storage != sc_Info)
1983 psym->iss = pscope->lsym->iss; /* blk end gets same name */
1984
1985 if (begin_type == st_File || begin_type == st_Block)
1986 pscope->lsym->index = ret+1; /* block begin gets next sym # */
1987
1988 /* Functions push two or more aux words as follows:
1989 1st word: index+1 of the end symbol
1990 2nd word: type of the function (plus any aux words needed).
1991 Also, tie the external pointer back to the function begin symbol. */
1992 else
1993 {
1994 symint_t type;
1995 pscope->lsym->index = add_aux_sym_symint (ret+1);
1996 type = add_aux_sym_tir (&last_func_type_info,
1997 hash_no,
1998 &cur_file_ptr->thash_head[0]);
1999 if (last_func_eptr)
2000 {
2001 last_func_eptr->ifd = cur_file_ptr->file_index;
2002
2003 /* The index for an external st_Proc symbol is the index
2004 of the st_Proc symbol in the local symbol table. */
2005 last_func_eptr->asym.index = psym->index;
2006 }
2007 }
2008
2009 free_scope (pscope);
2010 }
2011 }
2012
2013 cur_file_ptr->nested_scopes += scope_delta;
2014
2015 if (debug && type != st_File
2016 && (debug > 2 || type == st_Block || type == st_End
2017 || type == st_Proc || type == st_StaticProc))
2018 {
2019 const char *sc_str = sc_to_string (storage);
2020 const char *st_str = st_to_string (type);
2021 int depth = cur_file_ptr->nested_scopes + (scope_delta < 0);
2022
2023 fprintf (stderr,
2024 "\tlsym\tv= %10ld, depth= %2d, sc= %-12s",
2025 value, depth, sc_str);
2026
2027 if (str_start && str_end_p1 - str_start > 0)
2028 fprintf (stderr, " st= %-11s name= %.*s\n",
2029 st_str, (int) (str_end_p1 - str_start), str_start);
2030 else
2031 {
2032 Size_t len = strlen (st_str);
2033 fprintf (stderr, " st= %.*s\n", (int) (len-1), st_str);
2034 }
2035 }
2036
2037 return ret;
2038 }
2039
2040 \f
2041 /* Add an external symbol. */
2042
2043 STATIC symint_t
2044 add_ext_symbol (esym, ifd)
2045 EXTR *esym; /* symbol pointer */
2046 int ifd; /* file index */
2047 {
2048 const char *str_start; /* first byte in string */
2049 const char *str_end_p1; /* first byte after string */
2050 EXTR *psym;
2051 varray_t *vp = &ext_symbols;
2052 shash_t *hash_ptr = (shash_t *) 0;
2053
2054 str_start = ORIG_ESTRS (esym->asym.iss);
2055 str_end_p1 = str_start + strlen (str_start);
2056
2057 if (debug > 1)
2058 {
2059 long value = esym->asym.value;
2060 const char *sc_str = sc_to_string (esym->asym.sc);
2061 const char *st_str = st_to_string (esym->asym.st);
2062
2063 fprintf (stderr,
2064 "\tesym\tv= %10ld, ifd= %2d, sc= %-12s",
2065 value, ifd, sc_str);
2066
2067 if (str_start && str_end_p1 - str_start > 0)
2068 fprintf (stderr, " st= %-11s name= %.*s\n",
2069 st_str, (int) (str_end_p1 - str_start), str_start);
2070 else
2071 fprintf (stderr, " st= %s\n", st_str);
2072 }
2073
2074 if (vp->objects_last_page == vp->objects_per_page)
2075 add_varray_page (vp);
2076
2077 psym = &vp->last->datum->esym[ vp->objects_last_page++ ];
2078
2079 *psym = *esym;
2080 psym->ifd = ifd;
2081 psym->asym.index = indexNil;
2082 psym->asym.iss = (str_start == (const char *) 0)
2083 ? 0
2084 : add_string (&ext_strings,
2085 &ext_str_hash[0],
2086 str_start,
2087 str_end_p1,
2088 &hash_ptr);
2089
2090 hash_ptr->esym_ptr = psym;
2091 return vp->num_allocated++;
2092 }
2093
2094 \f
2095 /* Add an auxiliary symbol (passing a symint). */
2096
2097 STATIC symint_t
2098 add_aux_sym_symint (aux_word)
2099 symint_t aux_word; /* auxiliary information word */
2100 {
2101 AUXU *aux_ptr;
2102 efdr_t *file_ptr = cur_file_ptr;
2103 varray_t *vp = &file_ptr->aux_syms;
2104
2105 if (vp->objects_last_page == vp->objects_per_page)
2106 add_varray_page (vp);
2107
2108 aux_ptr = &vp->last->datum->aux[ vp->objects_last_page++ ];
2109 aux_ptr->isym = aux_word;
2110
2111 return vp->num_allocated++;
2112 }
2113
2114
2115 /* Add an auxiliary symbol (passing a file/symbol index combo). */
2116
2117 STATIC symint_t
2118 add_aux_sym_rndx (file_index, sym_index)
2119 int file_index;
2120 symint_t sym_index;
2121 {
2122 AUXU *aux_ptr;
2123 efdr_t *file_ptr = cur_file_ptr;
2124 varray_t *vp = &file_ptr->aux_syms;
2125
2126 if (vp->objects_last_page == vp->objects_per_page)
2127 add_varray_page (vp);
2128
2129 aux_ptr = &vp->last->datum->aux[ vp->objects_last_page++ ];
2130 aux_ptr->rndx.rfd = file_index;
2131 aux_ptr->rndx.index = sym_index;
2132
2133 return vp->num_allocated++;
2134 }
2135
2136 \f
2137 /* Add an auxiliary symbol (passing the basic type and possibly
2138 type qualifiers). */
2139
2140 STATIC symint_t
2141 add_aux_sym_tir (t, state, hash_tbl)
2142 type_info_t *t; /* current type information */
2143 hash_state_t state; /* whether to hash type or not */
2144 thash_t **hash_tbl; /* pointer to hash table to use */
2145 {
2146 AUXU *aux_ptr;
2147 efdr_t *file_ptr = cur_file_ptr;
2148 varray_t *vp = &file_ptr->aux_syms;
2149 static AUXU init_aux;
2150 symint_t ret;
2151 int i;
2152 AUXU aux;
2153
2154 aux = init_aux;
2155 aux.ti.bt = (int) t->basic_type;
2156 aux.ti.continued = 0;
2157 aux.ti.fBitfield = t->bitfield;
2158
2159 aux.ti.tq0 = (int) t->type_qualifiers[0];
2160 aux.ti.tq1 = (int) t->type_qualifiers[1];
2161 aux.ti.tq2 = (int) t->type_qualifiers[2];
2162 aux.ti.tq3 = (int) t->type_qualifiers[3];
2163 aux.ti.tq4 = (int) t->type_qualifiers[4];
2164 aux.ti.tq5 = (int) t->type_qualifiers[5];
2165
2166
2167 /* For anything that adds additional information, we must not hash,
2168 so check here, and reset our state. */
2169
2170 if (state != hash_no
2171 && (t->type_qualifiers[0] == tq_Array
2172 || t->type_qualifiers[1] == tq_Array
2173 || t->type_qualifiers[2] == tq_Array
2174 || t->type_qualifiers[3] == tq_Array
2175 || t->type_qualifiers[4] == tq_Array
2176 || t->type_qualifiers[5] == tq_Array
2177 || t->basic_type == bt_Struct
2178 || t->basic_type == bt_Union
2179 || t->basic_type == bt_Enum
2180 || t->bitfield
2181 || t->num_dims > 0))
2182 state = hash_no;
2183
2184 /* See if we can hash this type, and save some space, but some types
2185 can't be hashed (because they contain arrays or continuations),
2186 and others can be put into the hash list, but cannot use existing
2187 types because other aux entries precede this one. */
2188
2189 if (state != hash_no)
2190 {
2191 thash_t *hash_ptr;
2192 symint_t hi;
2193
2194 hi = aux.isym & ((1 << HASHBITS) - 1);
2195 hi %= THASH_SIZE;
2196
2197 for (hash_ptr = hash_tbl[hi];
2198 hash_ptr != (thash_t *) 0;
2199 hash_ptr = hash_ptr->next)
2200 {
2201 if (aux.isym == hash_ptr->type.isym)
2202 break;
2203 }
2204
2205 if (hash_ptr != (thash_t *) 0 && state == hash_yes)
2206 return hash_ptr->indx;
2207
2208 if (hash_ptr == (thash_t *) 0)
2209 {
2210 hash_ptr = allocate_thash ();
2211 hash_ptr->next = hash_tbl[hi];
2212 hash_ptr->type = aux;
2213 hash_ptr->indx = vp->num_allocated;
2214 hash_tbl[hi] = hash_ptr;
2215 }
2216 }
2217
2218 /* Everything is set up, add the aux symbol. */
2219 if (vp->objects_last_page == vp->objects_per_page)
2220 add_varray_page (vp);
2221
2222 aux_ptr = &vp->last->datum->aux[ vp->objects_last_page++ ];
2223 *aux_ptr = aux;
2224
2225 ret = vp->num_allocated++;
2226
2227 /* Add bitfield length if it exists.
2228
2229 NOTE: Mips documentation claims bitfield goes at the end of the
2230 AUX record, but the DECstation compiler emits it here.
2231 (This would only make a difference for enum bitfields.)
2232
2233 Also note: We use the last size given since gcc may emit 2
2234 for an enum bitfield. */
2235
2236 if (t->bitfield)
2237 (void) add_aux_sym_symint ((symint_t) t->sizes[t->num_sizes-1]);
2238
2239
2240 /* Add tag information if needed. Structure, union, and enum
2241 references add 2 aux symbols: a [file index, symbol index]
2242 pointer to the structure type, and the current file index. */
2243
2244 if (t->basic_type == bt_Struct
2245 || t->basic_type == bt_Union
2246 || t->basic_type == bt_Enum)
2247 {
2248 symint_t file_index = t->tag_ptr->ifd;
2249 symint_t sym_index = t->tag_ptr->indx;
2250
2251 if (t->unknown_tag)
2252 {
2253 (void) add_aux_sym_rndx (ST_RFDESCAPE, sym_index);
2254 (void) add_aux_sym_symint ((symint_t)-1);
2255 }
2256 else if (sym_index != indexNil)
2257 {
2258 (void) add_aux_sym_rndx (ST_RFDESCAPE, sym_index);
2259 (void) add_aux_sym_symint (file_index);
2260 }
2261 else
2262 {
2263 forward_t *forward_ref = allocate_forward ();
2264
2265 forward_ref->type_ptr = aux_ptr;
2266 forward_ref->next = t->tag_ptr->forward_ref;
2267 t->tag_ptr->forward_ref = forward_ref;
2268
2269 (void) add_aux_sym_rndx (ST_RFDESCAPE, sym_index);
2270 forward_ref->index_ptr
2271 = &vp->last->datum->aux[ vp->objects_last_page - 1];
2272
2273 (void) add_aux_sym_symint (file_index);
2274 forward_ref->ifd_ptr
2275 = &vp->last->datum->aux[ vp->objects_last_page - 1];
2276 }
2277 }
2278
2279 /* Add information about array bounds if they exist. */
2280 for (i = 0; i < t->num_dims; i++)
2281 {
2282 (void) add_aux_sym_rndx (ST_RFDESCAPE,
2283 cur_file_ptr->int_type);
2284
2285 (void) add_aux_sym_symint (cur_file_ptr->file_index); /* file index*/
2286 (void) add_aux_sym_symint ((symint_t) 0); /* low bound */
2287 (void) add_aux_sym_symint (t->dimensions[i] - 1); /* high bound*/
2288 (void) add_aux_sym_symint ((t->dimensions[i] == 0) /* stride */
2289 ? 0
2290 : (t->sizes[i] * 8) / t->dimensions[i]);
2291 };
2292
2293 /* NOTE: Mips documentation claims that the bitfield width goes here.
2294 But it needs to be emitted earlier. */
2295
2296 return ret;
2297 }
2298
2299 \f
2300 /* Add a tag to the tag table (unless it already exists). */
2301
2302 STATIC tag_t *
2303 get_tag (tag_start, tag_end_p1, indx, basic_type)
2304 const char *tag_start; /* 1st byte of tag name */
2305 const char *tag_end_p1; /* 1st byte after tag name */
2306 symint_t indx; /* index of tag start block */
2307 bt_t basic_type; /* bt_Struct, bt_Union, or bt_Enum */
2308 {
2309 shash_t *hash_ptr;
2310 tag_t *tag_ptr;
2311 hash_ptr = hash_string (tag_start,
2312 tag_end_p1 - tag_start,
2313 &tag_hash[0],
2314 (symint_t *) 0);
2315
2316 if (hash_ptr != (shash_t *) 0
2317 && hash_ptr->tag_ptr != (tag_t *) 0)
2318 {
2319 tag_ptr = hash_ptr->tag_ptr;
2320 if (indx != indexNil)
2321 {
2322 tag_ptr->basic_type = basic_type;
2323 tag_ptr->ifd = cur_file_ptr->file_index;
2324 tag_ptr->indx = indx;
2325 }
2326 return tag_ptr;
2327 }
2328
2329 (void) add_string (&tag_strings,
2330 &tag_hash[0],
2331 tag_start,
2332 tag_end_p1,
2333 &hash_ptr);
2334
2335 tag_ptr = allocate_tag ();
2336 tag_ptr->forward_ref = (forward_t *) 0;
2337 tag_ptr->hash_ptr = hash_ptr;
2338 tag_ptr->same_name = hash_ptr->tag_ptr;
2339 tag_ptr->basic_type = basic_type;
2340 tag_ptr->indx = indx;
2341 tag_ptr->ifd = (indx == indexNil
2342 ? (symint_t) -1 : cur_file_ptr->file_index);
2343 tag_ptr->same_block = cur_tag_head->first_tag;
2344
2345 cur_tag_head->first_tag = tag_ptr;
2346 hash_ptr->tag_ptr = tag_ptr;
2347
2348 return tag_ptr;
2349 }
2350
2351 \f
2352 /* Add an unknown {struct, union, enum} tag. */
2353
2354 STATIC void
2355 add_unknown_tag (ptag)
2356 tag_t *ptag; /* pointer to tag information */
2357 {
2358 shash_t *hash_ptr = ptag->hash_ptr;
2359 char *name_start = hash_ptr->string;
2360 char *name_end_p1 = name_start + hash_ptr->len;
2361 forward_t *f_next = ptag->forward_ref;
2362 forward_t *f_cur;
2363 int sym_index;
2364 int file_index = cur_file_ptr->file_index;
2365
2366 if (debug > 1)
2367 {
2368 const char *agg_type = "{unknown aggregate type}";
2369 switch (ptag->basic_type)
2370 {
2371 case bt_Struct: agg_type = "struct"; break;
2372 case bt_Union: agg_type = "union"; break;
2373 case bt_Enum: agg_type = "enum"; break;
2374 default: break;
2375 }
2376
2377 fprintf (stderr, "unknown %s %.*s found\n",
2378 agg_type, (int) hash_ptr->len, name_start);
2379 }
2380
2381 sym_index = add_local_symbol (name_start,
2382 name_end_p1,
2383 st_Block,
2384 sc_Info,
2385 (symint_t) 0,
2386 (symint_t) 0);
2387
2388 (void) add_local_symbol (name_start,
2389 name_end_p1,
2390 st_End,
2391 sc_Info,
2392 (symint_t) 0,
2393 (symint_t) 0);
2394
2395 while (f_next != (forward_t *) 0)
2396 {
2397 f_cur = f_next;
2398 f_next = f_next->next;
2399
2400 f_cur->ifd_ptr->isym = file_index;
2401 f_cur->index_ptr->rndx.index = sym_index;
2402
2403 free_forward (f_cur);
2404 }
2405
2406 return;
2407 }
2408
2409 \f
2410 /* Add a procedure to the current file's list of procedures, and record
2411 this is the current procedure. If the assembler created a PDR for
2412 this procedure, use that to initialize the current PDR. */
2413
2414 STATIC void
2415 add_procedure (func_start, func_end_p1)
2416 const char *func_start; /* 1st byte of func name */
2417 const char *func_end_p1; /* 1st byte after func name */
2418 {
2419 PDR *new_proc_ptr;
2420 efdr_t *file_ptr = cur_file_ptr;
2421 varray_t *vp = &file_ptr->procs;
2422 symint_t value = 0;
2423 st_t proc_type = st_Proc;
2424 shash_t *shash_ptr = hash_string (func_start,
2425 func_end_p1 - func_start,
2426 &orig_str_hash[0],
2427 (symint_t *) 0);
2428
2429 if (debug)
2430 fputc ('\n', stderr);
2431
2432 if (vp->objects_last_page == vp->objects_per_page)
2433 add_varray_page (vp);
2434
2435 cur_proc_ptr = new_proc_ptr = &vp->last->datum->proc[ vp->objects_last_page++ ];
2436
2437 vp->num_allocated++;
2438
2439
2440 /* Did the assembler create this procedure? If so, get the PDR information. */
2441 cur_oproc_ptr = (PDR *) 0;
2442 if (shash_ptr != (shash_t *) 0)
2443 {
2444 PDR *old_proc_ptr = shash_ptr->proc_ptr;
2445 SYMR *sym_ptr = shash_ptr->sym_ptr;
2446
2447 if (old_proc_ptr != (PDR *) 0
2448 && sym_ptr != (SYMR *) 0
2449 && ((st_t) sym_ptr->st == st_Proc || (st_t) sym_ptr->st == st_StaticProc))
2450 {
2451 cur_oproc_begin = sym_ptr;
2452 cur_oproc_end = shash_ptr->end_ptr;
2453 value = sym_ptr->value;
2454
2455 cur_oproc_ptr = old_proc_ptr;
2456 proc_type = (st_t) sym_ptr->st;
2457 *new_proc_ptr = *old_proc_ptr; /* initialize */
2458 }
2459 }
2460
2461 if (cur_oproc_ptr == (PDR *) 0)
2462 error ("did not find a PDR block for %.*s",
2463 (int) (func_end_p1 - func_start), func_start);
2464
2465 /* Determine the start of symbols. */
2466 new_proc_ptr->isym = file_ptr->symbols.num_allocated;
2467
2468 /* Push the start of the function. */
2469 (void) add_local_symbol (func_start, func_end_p1,
2470 proc_type, sc_Text,
2471 value,
2472 (symint_t) 0);
2473 }
2474
2475 \f
2476 /* Add a new filename, and set up all of the file relative
2477 virtual arrays (strings, symbols, aux syms, etc.). Record
2478 where the current file structure lives. */
2479
2480 STATIC void
2481 add_file (file_start, file_end_p1)
2482 const char *file_start; /* first byte in string */
2483 const char *file_end_p1; /* first byte after string */
2484 {
2485 static char zero_bytes[2] = { '\0', '\0' };
2486
2487 Ptrdiff_t len = file_end_p1 - file_start;
2488 int first_ch = *file_start;
2489 efdr_t *file_ptr;
2490
2491 if (debug)
2492 fprintf (stderr, "\tfile\t%.*s\n", (int) len, file_start);
2493
2494 /* See if the file has already been created. */
2495 for (file_ptr = first_file;
2496 file_ptr != (efdr_t *) 0;
2497 file_ptr = file_ptr->next_file)
2498 {
2499 if (first_ch == file_ptr->name[0]
2500 && file_ptr->name[len] == '\0'
2501 && memcmp (file_start, file_ptr->name, len) == 0)
2502 {
2503 cur_file_ptr = file_ptr;
2504 break;
2505 }
2506 }
2507
2508 /* If this is a new file, create it. */
2509 if (file_ptr == (efdr_t *) 0)
2510 {
2511 if (file_desc.objects_last_page == file_desc.objects_per_page)
2512 add_varray_page (&file_desc);
2513
2514 file_ptr = cur_file_ptr
2515 = &file_desc.last->datum->file[ file_desc.objects_last_page++ ];
2516 *file_ptr = init_file;
2517
2518 file_ptr->file_index = file_desc.num_allocated++;
2519
2520 /* Allocate the string hash table. */
2521 file_ptr->shash_head = (shash_t **) allocate_page ();
2522
2523 /* Make sure 0 byte in string table is null */
2524 add_string (&file_ptr->strings,
2525 &file_ptr->shash_head[0],
2526 &zero_bytes[0],
2527 &zero_bytes[0],
2528 (shash_t **) 0);
2529
2530 if (file_end_p1 - file_start > (long) PAGE_USIZE-2)
2531 fatal ("filename goes over one page boundary");
2532
2533 /* Push the start of the filename. We assume that the filename
2534 will be stored at string offset 1. */
2535 (void) add_local_symbol (file_start, file_end_p1, st_File, sc_Text,
2536 (symint_t) 0, (symint_t) 0);
2537 file_ptr->fdr.rss = 1;
2538 file_ptr->name = &file_ptr->strings.last->datum->byte[1];
2539 file_ptr->name_len = file_end_p1 - file_start;
2540
2541 /* Update the linked list of file descriptors. */
2542 *last_file_ptr = file_ptr;
2543 last_file_ptr = &file_ptr->next_file;
2544
2545 /* Add void & int types to the file (void should be first to catch
2546 errant 0's within the index fields). */
2547 file_ptr->void_type = add_aux_sym_tir (&void_type_info,
2548 hash_yes,
2549 &cur_file_ptr->thash_head[0]);
2550
2551 file_ptr->int_type = add_aux_sym_tir (&int_type_info,
2552 hash_yes,
2553 &cur_file_ptr->thash_head[0]);
2554 }
2555 }
2556
2557 \f
2558 /* Add a stream of random bytes to a varray. */
2559
2560 STATIC void
2561 add_bytes (vp, input_ptr, nitems)
2562 varray_t *vp; /* virtual array to add too */
2563 char *input_ptr; /* start of the bytes */
2564 Size_t nitems; /* # items to move */
2565 {
2566 Size_t move_items;
2567 Size_t move_bytes;
2568 char *ptr;
2569
2570 while (nitems > 0)
2571 {
2572 if (vp->objects_last_page >= vp->objects_per_page)
2573 add_varray_page (vp);
2574
2575 ptr = &vp->last->datum->byte[ vp->objects_last_page * vp->object_size ];
2576 move_items = vp->objects_per_page - vp->objects_last_page;
2577 if (move_items > nitems)
2578 move_items = nitems;
2579
2580 move_bytes = move_items * vp->object_size;
2581 nitems -= move_items;
2582
2583 if (move_bytes >= 32)
2584 {
2585 (void) memcpy (ptr, input_ptr, move_bytes);
2586 input_ptr += move_bytes;
2587 }
2588 else
2589 {
2590 while (move_bytes-- > 0)
2591 *ptr++ = *input_ptr++;
2592 }
2593 }
2594 }
2595
2596 \f
2597 /* Convert storage class to string. */
2598
2599 STATIC const char *
2600 sc_to_string (storage_class)
2601 sc_t storage_class;
2602 {
2603 switch (storage_class)
2604 {
2605 case sc_Nil: return "Nil,";
2606 case sc_Text: return "Text,";
2607 case sc_Data: return "Data,";
2608 case sc_Bss: return "Bss,";
2609 case sc_Register: return "Register,";
2610 case sc_Abs: return "Abs,";
2611 case sc_Undefined: return "Undefined,";
2612 case sc_CdbLocal: return "CdbLocal,";
2613 case sc_Bits: return "Bits,";
2614 case sc_CdbSystem: return "CdbSystem,";
2615 case sc_RegImage: return "RegImage,";
2616 case sc_Info: return "Info,";
2617 case sc_UserStruct: return "UserStruct,";
2618 case sc_SData: return "SData,";
2619 case sc_SBss: return "SBss,";
2620 case sc_RData: return "RData,";
2621 case sc_Var: return "Var,";
2622 case sc_Common: return "Common,";
2623 case sc_SCommon: return "SCommon,";
2624 case sc_VarRegister: return "VarRegister,";
2625 case sc_Variant: return "Variant,";
2626 case sc_SUndefined: return "SUndefined,";
2627 case sc_Init: return "Init,";
2628 case sc_Max: return "Max,";
2629 }
2630
2631 return "???,";
2632 }
2633
2634 \f
2635 /* Convert symbol type to string. */
2636
2637 STATIC const char *
2638 st_to_string (symbol_type)
2639 st_t symbol_type;
2640 {
2641 switch (symbol_type)
2642 {
2643 case st_Nil: return "Nil,";
2644 case st_Global: return "Global,";
2645 case st_Static: return "Static,";
2646 case st_Param: return "Param,";
2647 case st_Local: return "Local,";
2648 case st_Label: return "Label,";
2649 case st_Proc: return "Proc,";
2650 case st_Block: return "Block,";
2651 case st_End: return "End,";
2652 case st_Member: return "Member,";
2653 case st_Typedef: return "Typedef,";
2654 case st_File: return "File,";
2655 case st_RegReloc: return "RegReloc,";
2656 case st_Forward: return "Forward,";
2657 case st_StaticProc: return "StaticProc,";
2658 case st_Constant: return "Constant,";
2659 case st_Str: return "String,";
2660 case st_Number: return "Number,";
2661 case st_Expr: return "Expr,";
2662 case st_Type: return "Type,";
2663 case st_Max: return "Max,";
2664 }
2665
2666 return "???,";
2667 }
2668
2669 \f
2670 /* Read a line from standard input, and return the start of the buffer
2671 (which is grows if the line is too big). We split lines at the
2672 semi-colon, and return each logical line independently. */
2673
2674 STATIC char *
2675 read_line ()
2676 {
2677 static int line_split_p = 0;
2678 int string_p = 0;
2679 int comment_p = 0;
2680 int ch;
2681 char *ptr;
2682
2683 if (cur_line_start == (char *) 0)
2684 { /* allocate initial page */
2685 cur_line_start = (char *) allocate_page ();
2686 cur_line_alloc = PAGE_SIZE;
2687 }
2688
2689 if (!line_split_p)
2690 line_number++;
2691
2692 line_split_p = 0;
2693 cur_line_nbytes = 0;
2694
2695 for (ptr = cur_line_start; (ch = getchar ()) != EOF; *ptr++ = ch)
2696 {
2697 if (++cur_line_nbytes >= cur_line_alloc-1)
2698 {
2699 int num_pages = cur_line_alloc / PAGE_SIZE;
2700 char *old_buffer = cur_line_start;
2701
2702 cur_line_alloc += PAGE_SIZE;
2703 cur_line_start = (char *) allocate_multiple_pages (num_pages+1);
2704 memcpy (cur_line_start, old_buffer, num_pages * PAGE_SIZE);
2705
2706 ptr = cur_line_start + cur_line_nbytes - 1;
2707 }
2708
2709 if (ch == '\n')
2710 {
2711 *ptr++ = '\n';
2712 *ptr = '\0';
2713 cur_line_ptr = cur_line_start;
2714 return cur_line_ptr;
2715 }
2716
2717 else if (ch == '\0')
2718 error ("null character found in input");
2719
2720 else if (!comment_p)
2721 {
2722 if (ch == '"')
2723 string_p = !string_p;
2724
2725 else if (ch == '#')
2726 comment_p++;
2727
2728 else if (ch == ';' && !string_p)
2729 {
2730 line_split_p = 1;
2731 *ptr++ = '\n';
2732 *ptr = '\0';
2733 cur_line_ptr = cur_line_start;
2734 return cur_line_ptr;
2735 }
2736 }
2737 }
2738
2739 if (ferror (stdin))
2740 pfatal_with_name (input_name);
2741
2742 cur_line_ptr = (char *) 0;
2743 return (char *) 0;
2744 }
2745
2746 \f
2747 /* Parse #.begin directives which have a label as the first argument
2748 which gives the location of the start of the block. */
2749
2750 STATIC void
2751 parse_begin (start)
2752 const char *start; /* start of directive */
2753 {
2754 const char *end_p1; /* end of label */
2755 int ch;
2756 shash_t *hash_ptr; /* hash pointer to lookup label */
2757
2758 if (cur_file_ptr == (efdr_t *) 0)
2759 {
2760 error ("#.begin directive without a preceding .file directive");
2761 return;
2762 }
2763
2764 if (cur_proc_ptr == (PDR *) 0)
2765 {
2766 error ("#.begin directive without a preceding .ent directive");
2767 return;
2768 }
2769
2770 for (end_p1 = start; (ch = *end_p1) != '\0' && !ISSPACE (ch); end_p1++)
2771 ;
2772
2773 hash_ptr = hash_string (start,
2774 end_p1 - start,
2775 &orig_str_hash[0],
2776 (symint_t *) 0);
2777
2778 if (hash_ptr == (shash_t *) 0)
2779 {
2780 error ("label %.*s not found for #.begin",
2781 (int) (end_p1 - start), start);
2782 return;
2783 }
2784
2785 if (cur_oproc_begin == (SYMR *) 0)
2786 {
2787 error ("procedure table %.*s not found for #.begin",
2788 (int) (end_p1 - start), start);
2789 return;
2790 }
2791
2792 (void) add_local_symbol ((const char *) 0, (const char *) 0,
2793 st_Block, sc_Text,
2794 (symint_t) hash_ptr->sym_ptr->value - cur_oproc_begin->value,
2795 (symint_t) 0);
2796 }
2797
2798 \f
2799 /* Parse #.bend directives which have a label as the first argument
2800 which gives the location of the end of the block. */
2801
2802 STATIC void
2803 parse_bend (start)
2804 const char *start; /* start of directive */
2805 {
2806 const char *end_p1; /* end of label */
2807 int ch;
2808 shash_t *hash_ptr; /* hash pointer to lookup label */
2809
2810 if (cur_file_ptr == (efdr_t *) 0)
2811 {
2812 error ("#.begin directive without a preceding .file directive");
2813 return;
2814 }
2815
2816 if (cur_proc_ptr == (PDR *) 0)
2817 {
2818 error ("#.bend directive without a preceding .ent directive");
2819 return;
2820 }
2821
2822 for (end_p1 = start; (ch = *end_p1) != '\0' && !ISSPACE (ch); end_p1++)
2823 ;
2824
2825 hash_ptr = hash_string (start,
2826 end_p1 - start,
2827 &orig_str_hash[0],
2828 (symint_t *) 0);
2829
2830 if (hash_ptr == (shash_t *) 0)
2831 {
2832 error ("label %.*s not found for #.bend", (int) (end_p1 - start), start);
2833 return;
2834 }
2835
2836 if (cur_oproc_begin == (SYMR *) 0)
2837 {
2838 error ("procedure table %.*s not found for #.bend",
2839 (int) (end_p1 - start), start);
2840 return;
2841 }
2842
2843 (void) add_local_symbol ((const char *) 0, (const char *) 0,
2844 st_End, sc_Text,
2845 (symint_t) hash_ptr->sym_ptr->value - cur_oproc_begin->value,
2846 (symint_t) 0);
2847 }
2848
2849 \f
2850 /* Parse #.def directives, which are contain standard COFF subdirectives
2851 to describe the debugging format. These subdirectives include:
2852
2853 .scl specify storage class
2854 .val specify a value
2855 .endef specify end of COFF directives
2856 .type specify the type
2857 .size specify the size of an array
2858 .dim specify an array dimension
2859 .tag specify a tag for a struct, union, or enum. */
2860
2861 STATIC void
2862 parse_def (name_start)
2863 const char *name_start; /* start of directive */
2864 {
2865 const char *dir_start; /* start of current directive*/
2866 const char *dir_end_p1; /* end+1 of current directive*/
2867 const char *arg_start; /* start of current argument */
2868 const char *arg_end_p1; /* end+1 of current argument */
2869 const char *name_end_p1; /* end+1 of label */
2870 const char *tag_start = 0; /* start of tag name */
2871 const char *tag_end_p1 = 0; /* end+1 of tag name */
2872 sc_t storage_class = sc_Nil;
2873 st_t symbol_type = st_Nil;
2874 type_info_t t;
2875 EXTR *eptr = (EXTR *) 0; /* ext. sym equivalent to def*/
2876 int is_function = 0; /* != 0 if function */
2877 symint_t value = 0;
2878 symint_t indx = cur_file_ptr->void_type;
2879 int error_line = 0;
2880 symint_t arg_number;
2881 symint_t temp_array[ N_TQ ];
2882 int arg_was_number;
2883 int ch, i;
2884 Ptrdiff_t len;
2885
2886 static int inside_enumeration = 0; /* is this an enumeration? */
2887
2888
2889 /* Initialize the type information. */
2890 t = type_info_init;
2891
2892
2893 /* Search for the end of the name being defined. */
2894 /* Allow spaces and such in names for G++ templates, which produce stabs
2895 that look like:
2896
2897 #.def SMANIP<long unsigned int>; .scl 10; .type 0x8; .size 8; .endef */
2898
2899 for (name_end_p1 = name_start; (ch = *name_end_p1) != ';' && ch != '\0'; name_end_p1++)
2900 ;
2901
2902 if (ch == '\0')
2903 {
2904 error_line = __LINE__;
2905 saber_stop ();
2906 goto bomb_out;
2907 }
2908
2909 /* Parse the remaining subdirectives now. */
2910 dir_start = name_end_p1+1;
2911 for (;;)
2912 {
2913 while ((ch = *dir_start) == ' ' || ch == '\t')
2914 ++dir_start;
2915
2916 if (ch != '.')
2917 {
2918 error_line = __LINE__;
2919 saber_stop ();
2920 goto bomb_out;
2921 }
2922
2923 /* Are we done? */
2924 if (dir_start[1] == 'e'
2925 && memcmp (dir_start, ".endef", sizeof (".endef")-1) == 0)
2926 break;
2927
2928 /* Pick up the subdirective now */
2929 for (dir_end_p1 = dir_start+1;
2930 (ch = *dir_end_p1) != ' ' && ch != '\t';
2931 dir_end_p1++)
2932 {
2933 if (ch == '\0' || ISSPACE (ch))
2934 {
2935 error_line = __LINE__;
2936 saber_stop ();
2937 goto bomb_out;
2938 }
2939 }
2940
2941 /* Pick up the subdirective argument now. */
2942 arg_was_number = arg_number = 0;
2943 arg_end_p1 = 0;
2944 arg_start = dir_end_p1+1;
2945 ch = *arg_start;
2946 while (ch == ' ' || ch == '\t')
2947 ch = *++arg_start;
2948
2949 if (ISDIGIT (ch) || ch == '-' || ch == '+')
2950 {
2951 int ch2;
2952 arg_number = strtol (arg_start, (char **) &arg_end_p1, 0);
2953 if (arg_end_p1 != arg_start || ((ch2 = *arg_end_p1) != ';') || ch2 != ',')
2954 arg_was_number++;
2955 }
2956
2957 else if (ch == '\0' || ISSPACE (ch))
2958 {
2959 error_line = __LINE__;
2960 saber_stop ();
2961 goto bomb_out;
2962 }
2963
2964 if (!arg_was_number)
2965 {
2966 /* Allow spaces and such in names for G++ templates. */
2967 for (arg_end_p1 = arg_start+1;
2968 (ch = *arg_end_p1) != ';' && ch != '\0';
2969 arg_end_p1++)
2970 ;
2971
2972 if (ch == '\0')
2973 {
2974 error_line = __LINE__;
2975 saber_stop ();
2976 goto bomb_out;
2977 }
2978 }
2979
2980 /* Classify the directives now. */
2981 len = dir_end_p1 - dir_start;
2982 switch (dir_start[1])
2983 {
2984 default:
2985 error_line = __LINE__;
2986 saber_stop ();
2987 goto bomb_out;
2988
2989 case 'd':
2990 if (len == sizeof (".dim")-1
2991 && memcmp (dir_start, ".dim", sizeof (".dim")-1) == 0
2992 && arg_was_number)
2993 {
2994 symint_t *t_ptr = &temp_array[ N_TQ-1 ];
2995
2996 *t_ptr = arg_number;
2997 while (*arg_end_p1 == ',' && arg_was_number)
2998 {
2999 arg_start = arg_end_p1+1;
3000 ch = *arg_start;
3001 while (ch == ' ' || ch == '\t')
3002 ch = *++arg_start;
3003
3004 arg_was_number = 0;
3005 if (ISDIGIT (ch) || ch == '-' || ch == '+')
3006 {
3007 int ch2;
3008 arg_number = strtol (arg_start, (char **) &arg_end_p1, 0);
3009 if (arg_end_p1 != arg_start || ((ch2 = *arg_end_p1) != ';') || ch2 != ',')
3010 arg_was_number++;
3011
3012 if (t_ptr == &temp_array[0])
3013 {
3014 error_line = __LINE__;
3015 saber_stop ();
3016 goto bomb_out;
3017 }
3018
3019 *--t_ptr = arg_number;
3020 }
3021 }
3022
3023 /* Reverse order of dimensions. */
3024 while (t_ptr <= &temp_array[ N_TQ-1 ])
3025 {
3026 if (t.num_dims >= N_TQ-1)
3027 {
3028 error_line = __LINE__;
3029 saber_stop ();
3030 goto bomb_out;
3031 }
3032
3033 t.dimensions[ t.num_dims++ ] = *t_ptr++;
3034 }
3035 break;
3036 }
3037 else
3038 {
3039 error_line = __LINE__;
3040 saber_stop ();
3041 goto bomb_out;
3042 }
3043
3044
3045 case 's':
3046 if (len == sizeof (".scl")-1
3047 && memcmp (dir_start, ".scl", sizeof (".scl")-1) == 0
3048 && arg_was_number
3049 && arg_number < ((symint_t) C_MAX))
3050 {
3051 /* If the symbol is a static or external, we have
3052 already gotten the appropriate type and class, so
3053 make sure we don't override those values. This is
3054 needed because there are some type and classes that
3055 are not in COFF, such as short data, etc. */
3056 if (symbol_type == st_Nil)
3057 {
3058 symbol_type = map_coff_sym_type[arg_number];
3059 storage_class = map_coff_storage [arg_number];
3060 }
3061 break;
3062 }
3063
3064 else if (len == sizeof (".size")-1
3065 && memcmp (dir_start, ".size", sizeof (".size")-1) == 0
3066 && arg_was_number)
3067 {
3068 symint_t *t_ptr = &temp_array[ N_TQ-1 ];
3069
3070 *t_ptr = arg_number;
3071 while (*arg_end_p1 == ',' && arg_was_number)
3072 {
3073 arg_start = arg_end_p1+1;
3074 ch = *arg_start;
3075 while (ch == ' ' || ch == '\t')
3076 ch = *++arg_start;
3077
3078 arg_was_number = 0;
3079 if (ISDIGIT (ch) || ch == '-' || ch == '+')
3080 {
3081 int ch2;
3082 arg_number = strtol (arg_start, (char **) &arg_end_p1, 0);
3083 if (arg_end_p1 != arg_start || ((ch2 = *arg_end_p1) != ';') || ch2 != ',')
3084 arg_was_number++;
3085
3086 if (t_ptr == &temp_array[0])
3087 {
3088 error_line = __LINE__;
3089 saber_stop ();
3090 goto bomb_out;
3091 }
3092
3093 *--t_ptr = arg_number;
3094 }
3095 }
3096
3097 /* Reverse order of sizes. */
3098 while (t_ptr <= &temp_array[ N_TQ-1 ])
3099 {
3100 if (t.num_sizes >= N_TQ-1)
3101 {
3102 error_line = __LINE__;
3103 saber_stop ();
3104 goto bomb_out;
3105 }
3106
3107 t.sizes[ t.num_sizes++ ] = *t_ptr++;
3108 }
3109 break;
3110 }
3111
3112 else
3113 {
3114 error_line = __LINE__;
3115 saber_stop ();
3116 goto bomb_out;
3117 }
3118
3119
3120 case 't':
3121 if (len == sizeof (".type")-1
3122 && memcmp (dir_start, ".type", sizeof (".type")-1) == 0
3123 && arg_was_number)
3124 {
3125 tq_t *tq_ptr = &t.type_qualifiers[0];
3126
3127 t.orig_type = (coff_type_t) (arg_number & N_BTMASK);
3128 t.basic_type = map_coff_types [(int) t.orig_type];
3129 for (i = N_TQ-1; i >= 0; i--)
3130 {
3131 int dt = (arg_number >> ((i * N_TQ_SHIFT) + N_BT_SHIFT)
3132 & N_TMASK);
3133
3134 if (dt != (int) DT_NON)
3135 *tq_ptr++ = map_coff_derived_type [dt];
3136 }
3137
3138 /* If this is a function, ignore it, so that we don't get
3139 two entries (one from the .ent, and one for the .def
3140 that precedes it). Save the type information so that
3141 the end block can properly add it after the begin block
3142 index. For MIPS knows what reason, we must strip off
3143 the function type at this point. */
3144 if (tq_ptr != &t.type_qualifiers[0] && tq_ptr[-1] == tq_Proc)
3145 {
3146 is_function = 1;
3147 tq_ptr[-1] = tq_Nil;
3148 }
3149
3150 break;
3151 }
3152
3153 else if (len == sizeof (".tag")-1
3154 && memcmp (dir_start, ".tag", sizeof (".tag")-1) == 0)
3155 {
3156 tag_start = arg_start;
3157 tag_end_p1 = arg_end_p1;
3158 break;
3159 }
3160
3161 else
3162 {
3163 error_line = __LINE__;
3164 saber_stop ();
3165 goto bomb_out;
3166 }
3167
3168
3169 case 'v':
3170 if (len == sizeof (".val")-1
3171 && memcmp (dir_start, ".val", sizeof (".val")-1) == 0)
3172 {
3173 if (arg_was_number)
3174 value = arg_number;
3175
3176 /* If the value is not an integer value, it must be the
3177 name of a static or global item. Look up the name in
3178 the original symbol table to pick up the storage
3179 class, symbol type, etc. */
3180 else
3181 {
3182 shash_t *orig_hash_ptr; /* hash within orig sym table*/
3183 shash_t *ext_hash_ptr; /* hash within ext. sym table*/
3184
3185 ext_hash_ptr = hash_string (arg_start,
3186 arg_end_p1 - arg_start,
3187 &ext_str_hash[0],
3188 (symint_t *) 0);
3189
3190 if (ext_hash_ptr != (shash_t *) 0
3191 && ext_hash_ptr->esym_ptr != (EXTR *) 0)
3192 eptr = ext_hash_ptr->esym_ptr;
3193
3194 orig_hash_ptr = hash_string (arg_start,
3195 arg_end_p1 - arg_start,
3196 &orig_str_hash[0],
3197 (symint_t *) 0);
3198
3199 if ((orig_hash_ptr == (shash_t *) 0
3200 || orig_hash_ptr->sym_ptr == (SYMR *) 0)
3201 && eptr == (EXTR *) 0)
3202 {
3203 fprintf (stderr, "warning, %.*s not found in original or external symbol tables, value defaults to 0\n",
3204 (int) (arg_end_p1 - arg_start),
3205 arg_start);
3206 value = 0;
3207 }
3208 else
3209 {
3210 SYMR *ptr = (orig_hash_ptr != (shash_t *) 0
3211 && orig_hash_ptr->sym_ptr != (SYMR *) 0)
3212 ? orig_hash_ptr->sym_ptr
3213 : &eptr->asym;
3214
3215 symbol_type = (st_t) ptr->st;
3216 storage_class = (sc_t) ptr->sc;
3217 value = ptr->value;
3218 }
3219 }
3220 break;
3221 }
3222 else
3223 {
3224 error_line = __LINE__;
3225 saber_stop ();
3226 goto bomb_out;
3227 }
3228 }
3229
3230 /* Set up to find next directive. */
3231 dir_start = arg_end_p1 + 1;
3232 }
3233
3234
3235 if (storage_class == sc_Bits)
3236 {
3237 t.bitfield = 1;
3238 t.extra_sizes = 1;
3239 }
3240 else
3241 t.extra_sizes = 0;
3242
3243 if (t.num_dims > 0)
3244 {
3245 int num_real_sizes = t.num_sizes - t.extra_sizes;
3246 int diff = t.num_dims - num_real_sizes;
3247 int i = t.num_dims - 1;
3248 int j;
3249
3250 if (num_real_sizes != 1 || diff < 0)
3251 {
3252 error_line = __LINE__;
3253 saber_stop ();
3254 goto bomb_out;
3255 }
3256
3257 /* If this is an array, make sure the same number of dimensions
3258 and sizes were passed, creating extra sizes for multiply
3259 dimensioned arrays if not passed. */
3260
3261 if (diff)
3262 {
3263 for (j = ARRAY_SIZE (t.sizes) - 1; j >= 0; j--)
3264 t.sizes[ j ] = ((j-diff) >= 0) ? t.sizes[ j-diff ] : 0;
3265
3266 t.num_sizes = i + 1;
3267 for ( i--; i >= 0; i-- )
3268 {
3269 if (t.dimensions[ i+1 ])
3270 t.sizes[ i ] = t.sizes[ i+1 ] / t.dimensions[ i+1 ];
3271 else
3272 t.sizes[ i ] = t.sizes[ i+1 ];
3273 }
3274 }
3275 }
3276
3277 /* Except for enumeration members & begin/ending of scopes, put the
3278 type word in the aux. symbol table. */
3279
3280 if (symbol_type == st_Block || symbol_type == st_End)
3281 indx = 0;
3282
3283 else if (inside_enumeration)
3284 indx = cur_file_ptr->void_type;
3285
3286 else
3287 {
3288 if (t.basic_type == bt_Struct
3289 || t.basic_type == bt_Union
3290 || t.basic_type == bt_Enum)
3291 {
3292 if (tag_start == (char *) 0)
3293 {
3294 error ("no tag specified for %.*s",
3295 (int) (name_end_p1 - name_start),
3296 name_start);
3297 return;
3298 }
3299
3300 t.tag_ptr = get_tag (tag_start, tag_end_p1, (symint_t) indexNil,
3301 t.basic_type);
3302 }
3303
3304 if (is_function)
3305 {
3306 last_func_type_info = t;
3307 last_func_eptr = eptr;
3308 return;
3309 }
3310
3311 indx = add_aux_sym_tir (&t,
3312 hash_yes,
3313 &cur_file_ptr->thash_head[0]);
3314 }
3315
3316
3317 /* If this is an external or static symbol, update the appropriate
3318 external symbol. */
3319
3320 if (eptr != (EXTR *) 0
3321 && (eptr->asym.index == indexNil || cur_proc_ptr == (PDR *) 0))
3322 {
3323 eptr->ifd = cur_file_ptr->file_index;
3324 eptr->asym.index = indx;
3325 }
3326
3327
3328 /* Do any last minute adjustments that are necessary. */
3329 switch (symbol_type)
3330 {
3331 default:
3332 break;
3333
3334
3335 /* For the beginning of structs, unions, and enumerations, the
3336 size info needs to be passed in the value field. */
3337
3338 case st_Block:
3339 if (t.num_sizes - t.num_dims - t.extra_sizes != 1)
3340 {
3341 error_line = __LINE__;
3342 saber_stop ();
3343 goto bomb_out;
3344 }
3345
3346 else
3347 value = t.sizes[0];
3348
3349 inside_enumeration = (t.orig_type == T_ENUM);
3350 break;
3351
3352
3353 /* For the end of structs, unions, and enumerations, omit the
3354 name which is always ".eos". This needs to be done last, so
3355 that any error reporting above gives the correct name. */
3356
3357 case st_End:
3358 name_start = name_end_p1 = 0;
3359 value = inside_enumeration = 0;
3360 break;
3361
3362
3363 /* Members of structures and unions that aren't bitfields, need
3364 to adjust the value from a byte offset to a bit offset.
3365 Members of enumerations do not have the value adjusted, and
3366 can be distinguished by indx == indexNil. For enumerations,
3367 update the maximum enumeration value. */
3368
3369 case st_Member:
3370 if (!t.bitfield && !inside_enumeration)
3371 value *= 8;
3372
3373 break;
3374 }
3375
3376
3377 /* Add the symbol, except for global symbols outside of functions,
3378 for which the external symbol table is fine enough. */
3379
3380 if (eptr == (EXTR *) 0
3381 || eptr->asym.st == (int) st_Nil
3382 || cur_proc_ptr != (PDR *) 0)
3383 {
3384 symint_t isym = add_local_symbol (name_start, name_end_p1,
3385 symbol_type, storage_class,
3386 value,
3387 indx);
3388
3389 /* deal with struct, union, and enum tags. */
3390 if (symbol_type == st_Block)
3391 {
3392 /* Create or update the tag information. */
3393 tag_t *tag_ptr = get_tag (name_start,
3394 name_end_p1,
3395 isym,
3396 t.basic_type);
3397
3398 /* If there are any forward references, fill in the appropriate
3399 file and symbol indexes. */
3400
3401 symint_t file_index = cur_file_ptr->file_index;
3402 forward_t *f_next = tag_ptr->forward_ref;
3403 forward_t *f_cur;
3404
3405 while (f_next != (forward_t *) 0)
3406 {
3407 f_cur = f_next;
3408 f_next = f_next->next;
3409
3410 f_cur->ifd_ptr->isym = file_index;
3411 f_cur->index_ptr->rndx.index = isym;
3412
3413 free_forward (f_cur);
3414 }
3415
3416 tag_ptr->forward_ref = (forward_t *) 0;
3417 }
3418 }
3419
3420 /* Normal return */
3421 return;
3422
3423 /* Error return, issue message. */
3424 bomb_out:
3425 if (error_line)
3426 error ("compiler error, badly formed #.def (internal line # = %d)", error_line);
3427 else
3428 error ("compiler error, badly formed #.def");
3429
3430 return;
3431 }
3432
3433 \f
3434 /* Parse .end directives. */
3435
3436 STATIC void
3437 parse_end (start)
3438 const char *start; /* start of directive */
3439 {
3440 const char *start_func, *end_func_p1;
3441 int ch;
3442 symint_t value;
3443 FDR *orig_fdr;
3444
3445 if (cur_file_ptr == (efdr_t *) 0)
3446 {
3447 error (".end directive without a preceding .file directive");
3448 return;
3449 }
3450
3451 if (cur_proc_ptr == (PDR *) 0)
3452 {
3453 error (".end directive without a preceding .ent directive");
3454 return;
3455 }
3456
3457 /* Get the function name, skipping whitespace. */
3458 for (start_func = start; ISSPACE ((unsigned char)*start_func); start_func++)
3459 ;
3460
3461 ch = *start_func;
3462 if (!IS_ASM_IDENT (ch))
3463 {
3464 error (".end directive has no name");
3465 return;
3466 }
3467
3468 for (end_func_p1 = start_func; IS_ASM_IDENT (ch); ch = *++end_func_p1)
3469 ;
3470
3471
3472 /* Get the value field for creating the end from the original object
3473 file (which we find by locating the procedure start, and using the
3474 pointer to the end+1 block and backing up. The index points to a
3475 two word aux. symbol, whose first word is the index of the end
3476 symbol, and the second word is the type of the function return
3477 value. */
3478
3479 orig_fdr = cur_file_ptr->orig_fdr;
3480 value = 0;
3481 if (orig_fdr != (FDR *) 0 && cur_oproc_end != (SYMR *) 0)
3482 value = cur_oproc_end->value;
3483
3484 else
3485 error ("cannot find .end block for %.*s",
3486 (int) (end_func_p1 - start_func), start_func);
3487
3488 (void) add_local_symbol (start_func, end_func_p1,
3489 st_End, sc_Text,
3490 value,
3491 (symint_t) 0);
3492
3493 cur_proc_ptr = cur_oproc_ptr = (PDR *) 0;
3494 }
3495
3496 \f
3497 /* Parse .ent directives. */
3498
3499 STATIC void
3500 parse_ent (start)
3501 const char *start; /* start of directive */
3502 {
3503 const char *start_func, *end_func_p1;
3504 int ch;
3505
3506 if (cur_file_ptr == (efdr_t *) 0)
3507 {
3508 error (".ent directive without a preceding .file directive");
3509 return;
3510 }
3511
3512 if (cur_proc_ptr != (PDR *) 0)
3513 {
3514 error ("second .ent directive found before .end directive");
3515 return;
3516 }
3517
3518 for (start_func = start; ISSPACE ((unsigned char)*start_func); start_func++)
3519 ;
3520
3521 ch = *start_func;
3522 if (!IS_ASM_IDENT (ch))
3523 {
3524 error (".ent directive has no name");
3525 return;
3526 }
3527
3528 for (end_func_p1 = start_func; IS_ASM_IDENT (ch); ch = *++end_func_p1)
3529 ;
3530
3531 (void) add_procedure (start_func, end_func_p1);
3532 }
3533
3534 \f
3535 /* Parse .file directives. */
3536
3537 STATIC void
3538 parse_file (start)
3539 const char *start; /* start of directive */
3540 {
3541 char *p;
3542 char *start_name, *end_name_p1;
3543
3544 (void) strtol (start, &p, 0);
3545 if (start == p
3546 || (start_name = strchr (p, '"')) == (char *) 0
3547 || (end_name_p1 = strrchr (++start_name, '"')) == (char *) 0)
3548 {
3549 error ("invalid .file directive");
3550 return;
3551 }
3552
3553 if (cur_proc_ptr != (PDR *) 0)
3554 {
3555 error ("no way to handle .file within .ent/.end section");
3556 return;
3557 }
3558
3559 add_file (start_name, end_name_p1);
3560 }
3561
3562 \f
3563 /* Make sure the @stabs symbol is emitted. */
3564
3565 static void
3566 mark_stabs (start)
3567 const char *start ATTRIBUTE_UNUSED; /* Start of directive (ignored) */
3568 {
3569 if (!stabs_seen)
3570 {
3571 /* Add a dummy @stabs symbol. */
3572 stabs_seen = 1;
3573 (void) add_local_symbol (stabs_symbol,
3574 stabs_symbol + sizeof (stabs_symbol),
3575 stNil, scInfo, -1, MIPS_MARK_STAB (0));
3576
3577 }
3578 }
3579
3580 \f
3581 /* Parse .stabs directives.
3582
3583 .stabs directives have five fields:
3584 "string" a string, encoding the type information.
3585 code a numeric code, defined in <stab.h>
3586 0 a zero
3587 0 a zero or line number
3588 value a numeric value or an address.
3589
3590 If the value is relocatable, we transform this into:
3591 iss points as an index into string space
3592 value value from lookup of the name
3593 st st from lookup of the name
3594 sc sc from lookup of the name
3595 index code|CODE_MASK
3596
3597 If the value is not relocatable, we transform this into:
3598 iss points as an index into string space
3599 value value
3600 st st_Nil
3601 sc sc_Nil
3602 index code|CODE_MASK
3603
3604 .stabn directives have four fields (string is null):
3605 code a numeric code, defined in <stab.h>
3606 0 a zero
3607 0 a zero or a line number
3608 value a numeric value or an address. */
3609
3610 STATIC void
3611 parse_stabs_common (string_start, string_end, rest)
3612 const char *string_start; /* start of string or NULL */
3613 const char *string_end; /* end+1 of string or NULL */
3614 const char *rest; /* rest of the directive. */
3615 {
3616 efdr_t *save_file_ptr = cur_file_ptr;
3617 symint_t code;
3618 symint_t value;
3619 char *p;
3620 st_t st;
3621 sc_t sc;
3622 int ch;
3623
3624 if (stabs_seen == 0)
3625 mark_stabs ("");
3626
3627 /* Read code from stabs. */
3628 if (!ISDIGIT (*rest))
3629 {
3630 error ("invalid .stabs/.stabn directive, code is non-numeric");
3631 return;
3632 }
3633
3634 code = strtol (rest, &p, 0);
3635
3636 /* Line number stabs are handled differently, since they have two values,
3637 the line number and the address of the label. We use the index field
3638 (aka code) to hold the line number, and the value field to hold the
3639 address. The symbol type is st_Label, which should be different from
3640 the other stabs, so that gdb can recognize it. */
3641
3642 if (code == (int) N_SLINE)
3643 {
3644 SYMR *sym_ptr, dummy_symr;
3645 shash_t *shash_ptr;
3646
3647 /* Skip ,0, */
3648 if (p[0] != ',' || p[1] != '0' || p[2] != ',' || !ISDIGIT (p[3]))
3649 {
3650 error ("invalid line number .stabs/.stabn directive");
3651 return;
3652 }
3653
3654 code = strtol (p+3, &p, 0);
3655 ch = *++p;
3656 if (p[-1] != ',' || ISDIGIT (ch) || !IS_ASM_IDENT (ch))
3657 {
3658 error ("invalid line number .stabs/.stabn directive");
3659 return;
3660 }
3661
3662 dummy_symr.index = code;
3663 if (dummy_symr.index != code)
3664 {
3665 error ("line number (%lu) for .stabs/.stabn directive cannot fit in index field (20 bits)",
3666 code);
3667
3668 return;
3669 }
3670
3671 shash_ptr = hash_string (p,
3672 strlen (p) - 1,
3673 &orig_str_hash[0],
3674 (symint_t *) 0);
3675
3676 if (shash_ptr == (shash_t *) 0
3677 || (sym_ptr = shash_ptr->sym_ptr) == (SYMR *) 0)
3678 {
3679 error ("invalid .stabs/.stabn directive, value not found");
3680 return;
3681 }
3682
3683 if ((st_t) sym_ptr->st != st_Label)
3684 {
3685 error ("invalid line number .stabs/.stabn directive");
3686 return;
3687 }
3688
3689 st = st_Label;
3690 sc = (sc_t) sym_ptr->sc;
3691 value = sym_ptr->value;
3692 }
3693 else
3694 {
3695 /* Skip ,<num>,<num>, */
3696 if (*p++ != ',')
3697 goto failure;
3698 for (; ISDIGIT (*p); p++)
3699 ;
3700 if (*p++ != ',')
3701 goto failure;
3702 for (; ISDIGIT (*p); p++)
3703 ;
3704 if (*p++ != ',')
3705 goto failure;
3706 ch = *p;
3707 if (!IS_ASM_IDENT (ch) && ch != '-')
3708 {
3709 failure:
3710 error ("invalid .stabs/.stabn directive, bad character");
3711 return;
3712 }
3713
3714 if (ISDIGIT (ch) || ch == '-')
3715 {
3716 st = st_Nil;
3717 sc = sc_Nil;
3718 value = strtol (p, &p, 0);
3719 if (*p != '\n')
3720 {
3721 error ("invalid .stabs/.stabn directive, stuff after numeric value");
3722 return;
3723 }
3724 }
3725 else if (!IS_ASM_IDENT (ch))
3726 {
3727 error ("invalid .stabs/.stabn directive, bad character");
3728 return;
3729 }
3730 else
3731 {
3732 SYMR *sym_ptr;
3733 shash_t *shash_ptr;
3734 const char *start, *end_p1;
3735
3736 start = p;
3737 if ((end_p1 = strchr (start, '+')) == (char *) 0)
3738 {
3739 if ((end_p1 = strchr (start, '-')) == (char *) 0)
3740 end_p1 = start + strlen (start) - 1;
3741 }
3742
3743 shash_ptr = hash_string (start,
3744 end_p1 - start,
3745 &orig_str_hash[0],
3746 (symint_t *) 0);
3747
3748 if (shash_ptr == (shash_t *) 0
3749 || (sym_ptr = shash_ptr->sym_ptr) == (SYMR *) 0)
3750 {
3751 shash_ptr = hash_string (start,
3752 end_p1 - start,
3753 &ext_str_hash[0],
3754 (symint_t *) 0);
3755
3756 if (shash_ptr == (shash_t *) 0
3757 || shash_ptr->esym_ptr == (EXTR *) 0)
3758 {
3759 error ("invalid .stabs/.stabn directive, value not found");
3760 return;
3761 }
3762 else
3763 sym_ptr = &(shash_ptr->esym_ptr->asym);
3764 }
3765
3766 /* Traditionally, N_LBRAC and N_RBRAC are *not* relocated. */
3767 if (code == (int) N_LBRAC || code == (int) N_RBRAC)
3768 {
3769 sc = scNil;
3770 st = stNil;
3771 }
3772 else
3773 {
3774 sc = (sc_t) sym_ptr->sc;
3775 st = (st_t) sym_ptr->st;
3776 }
3777 value = sym_ptr->value;
3778
3779 ch = *end_p1++;
3780 if (ch != '\n')
3781 {
3782 if (((!ISDIGIT (*end_p1)) && (*end_p1 != '-'))
3783 || ((ch != '+') && (ch != '-')))
3784 {
3785 error ("invalid .stabs/.stabn directive, badly formed value");
3786 return;
3787 }
3788 if (ch == '+')
3789 value += strtol (end_p1, &p, 0);
3790 else if (ch == '-')
3791 value -= strtol (end_p1, &p, 0);
3792
3793 if (*p != '\n')
3794 {
3795 error ("invalid .stabs/.stabn directive, stuff after numeric value");
3796 return;
3797 }
3798 }
3799 }
3800 code = MIPS_MARK_STAB (code);
3801 }
3802
3803 (void) add_local_symbol (string_start, string_end, st, sc, value, code);
3804 /* Restore normal file type. */
3805 cur_file_ptr = save_file_ptr;
3806 }
3807
3808
3809 STATIC void
3810 parse_stabs (start)
3811 const char *start; /* start of directive */
3812 {
3813 const char *end = strchr (start+1, '"');
3814
3815 if (*start != '"' || end == (const char *) 0 || end[1] != ',')
3816 {
3817 error ("invalid .stabs directive, no string");
3818 return;
3819 }
3820
3821 parse_stabs_common (start+1, end, end+2);
3822 }
3823
3824
3825 STATIC void
3826 parse_stabn (start)
3827 const char *start; /* start of directive */
3828 {
3829 parse_stabs_common ((const char *) 0, (const char *) 0, start);
3830 }
3831
3832 \f
3833 /* Parse the input file, and write the lines to the output file
3834 if needed. */
3835
3836 STATIC void
3837 parse_input ()
3838 {
3839 char *p;
3840 Size_t i;
3841 thead_t *ptag_head;
3842 tag_t *ptag;
3843 tag_t *ptag_next;
3844
3845 if (debug)
3846 fprintf (stderr, "\tinput\n");
3847
3848 /* Add a dummy scope block around the entire compilation unit for
3849 structures defined outside of blocks. */
3850 ptag_head = allocate_thead ();
3851 ptag_head->first_tag = 0;
3852 ptag_head->prev = cur_tag_head;
3853 cur_tag_head = ptag_head;
3854
3855 while ((p = read_line ()) != (char *) 0)
3856 {
3857 /* Skip leading blanks */
3858 while (ISSPACE ((unsigned char)*p))
3859 p++;
3860
3861 /* See if it's a directive we handle. If so, dispatch handler. */
3862 for (i = 0; i < ARRAY_SIZE (pseudo_ops); i++)
3863 if (memcmp (p, pseudo_ops[i].name, pseudo_ops[i].len) == 0
3864 && ISSPACE ((unsigned char)(p[pseudo_ops[i].len])))
3865 {
3866 p += pseudo_ops[i].len; /* skip to first argument */
3867 while (ISSPACE ((unsigned char)*p))
3868 p++;
3869
3870 (*pseudo_ops[i].func)( p );
3871 break;
3872 }
3873 }
3874
3875 /* Process any tags at global level. */
3876 ptag_head = cur_tag_head;
3877 cur_tag_head = ptag_head->prev;
3878
3879 for (ptag = ptag_head->first_tag;
3880 ptag != (tag_t *) 0;
3881 ptag = ptag_next)
3882 {
3883 if (ptag->forward_ref != (forward_t *) 0)
3884 add_unknown_tag (ptag);
3885
3886 ptag_next = ptag->same_block;
3887 ptag->hash_ptr->tag_ptr = ptag->same_name;
3888 free_tag (ptag);
3889 }
3890
3891 free_thead (ptag_head);
3892
3893 }
3894
3895 \f
3896 /* Update the global headers with the final offsets in preparation
3897 to write out the .T file. */
3898
3899 STATIC void
3900 update_headers ()
3901 {
3902 symint_t i;
3903 efdr_t *file_ptr;
3904
3905 /* Set up the symbolic header. */
3906 file_offset = sizeof (symbolic_header) + orig_file_header.f_symptr;
3907 symbolic_header.magic = orig_sym_hdr.magic;
3908 symbolic_header.vstamp = orig_sym_hdr.vstamp;
3909
3910 /* Set up global counts. */
3911 symbolic_header.issExtMax = ext_strings.num_allocated;
3912 symbolic_header.idnMax = dense_num.num_allocated;
3913 symbolic_header.ifdMax = file_desc.num_allocated;
3914 symbolic_header.iextMax = ext_symbols.num_allocated;
3915 symbolic_header.ilineMax = orig_sym_hdr.ilineMax;
3916 symbolic_header.ioptMax = orig_sym_hdr.ioptMax;
3917 symbolic_header.cbLine = orig_sym_hdr.cbLine;
3918 symbolic_header.crfd = orig_sym_hdr.crfd;
3919
3920
3921 /* Loop through each file, figuring out how many local syms,
3922 line numbers, etc. there are. Also, put out end symbol
3923 for the filename. */
3924
3925 for (file_ptr = first_file;
3926 file_ptr != (efdr_t *) 0;
3927 file_ptr = file_ptr->next_file)
3928 {
3929 SYMR *sym_start;
3930 SYMR *sym;
3931 SYMR *sym_end_p1;
3932 FDR *fd_ptr = file_ptr->orig_fdr;
3933
3934 cur_file_ptr = file_ptr;
3935
3936 /* Copy st_Static symbols from the original local symbol table if
3937 they did not get added to the new local symbol table.
3938 This happens with stabs-in-ecoff or if the source file is
3939 compiled without debugging. */
3940 sym_start = ORIG_LSYMS (fd_ptr->isymBase);
3941 sym_end_p1 = sym_start + fd_ptr->csym;
3942 for (sym = sym_start; sym < sym_end_p1; sym++)
3943 {
3944 if ((st_t) sym->st == st_Static)
3945 {
3946 char *str = ORIG_LSTRS (fd_ptr->issBase + sym->iss);
3947 Size_t len = strlen (str);
3948 shash_t *hash_ptr;
3949
3950 /* Ignore internal labels. */
3951 if (str[0] == '$' && str[1] == 'L')
3952 continue;
3953 hash_ptr = hash_string (str,
3954 (Ptrdiff_t) len,
3955 &file_ptr->shash_head[0],
3956 (symint_t *) 0);
3957 if (hash_ptr == (shash_t *) 0)
3958 {
3959 (void) add_local_symbol (str, str + len,
3960 (st_t) sym->st, (sc_t) sym->sc,
3961 (symint_t) sym->value,
3962 (symint_t) indexNil);
3963 }
3964 }
3965 }
3966 (void) add_local_symbol ((const char *) 0, (const char *) 0,
3967 st_End, sc_Text,
3968 (symint_t) 0,
3969 (symint_t) 0);
3970
3971 file_ptr->fdr.cpd = file_ptr->procs.num_allocated;
3972 file_ptr->fdr.ipdFirst = symbolic_header.ipdMax;
3973 symbolic_header.ipdMax += file_ptr->fdr.cpd;
3974
3975 file_ptr->fdr.csym = file_ptr->symbols.num_allocated;
3976 file_ptr->fdr.isymBase = symbolic_header.isymMax;
3977 symbolic_header.isymMax += file_ptr->fdr.csym;
3978
3979 file_ptr->fdr.caux = file_ptr->aux_syms.num_allocated;
3980 file_ptr->fdr.iauxBase = symbolic_header.iauxMax;
3981 symbolic_header.iauxMax += file_ptr->fdr.caux;
3982
3983 file_ptr->fdr.cbSs = file_ptr->strings.num_allocated;
3984 file_ptr->fdr.issBase = symbolic_header.issMax;
3985 symbolic_header.issMax += file_ptr->fdr.cbSs;
3986 }
3987
3988 #ifndef ALIGN_SYMTABLE_OFFSET
3989 #define ALIGN_SYMTABLE_OFFSET(OFFSET) (OFFSET)
3990 #endif
3991
3992 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
3993 i = WORD_ALIGN (symbolic_header.cbLine); /* line numbers */
3994 if (i > 0)
3995 {
3996 symbolic_header.cbLineOffset = file_offset;
3997 file_offset += i;
3998 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
3999 }
4000
4001 i = symbolic_header.ioptMax; /* optimization symbols */
4002 if (((long) i) > 0)
4003 {
4004 symbolic_header.cbOptOffset = file_offset;
4005 file_offset += i * sizeof (OPTR);
4006 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
4007 }
4008
4009 i = symbolic_header.idnMax; /* dense numbers */
4010 if (i > 0)
4011 {
4012 symbolic_header.cbDnOffset = file_offset;
4013 file_offset += i * sizeof (DNR);
4014 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
4015 }
4016
4017 i = symbolic_header.ipdMax; /* procedure tables */
4018 if (i > 0)
4019 {
4020 symbolic_header.cbPdOffset = file_offset;
4021 file_offset += i * sizeof (PDR);
4022 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
4023 }
4024
4025 i = symbolic_header.isymMax; /* local symbols */
4026 if (i > 0)
4027 {
4028 symbolic_header.cbSymOffset = file_offset;
4029 file_offset += i * sizeof (SYMR);
4030 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
4031 }
4032
4033 i = symbolic_header.iauxMax; /* aux syms. */
4034 if (i > 0)
4035 {
4036 symbolic_header.cbAuxOffset = file_offset;
4037 file_offset += i * sizeof (TIR);
4038 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
4039 }
4040
4041 i = WORD_ALIGN (symbolic_header.issMax); /* local strings */
4042 if (i > 0)
4043 {
4044 symbolic_header.cbSsOffset = file_offset;
4045 file_offset += i;
4046 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
4047 }
4048
4049 i = WORD_ALIGN (symbolic_header.issExtMax); /* external strings */
4050 if (i > 0)
4051 {
4052 symbolic_header.cbSsExtOffset = file_offset;
4053 file_offset += i;
4054 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
4055 }
4056
4057 i = symbolic_header.ifdMax; /* file tables */
4058 if (i > 0)
4059 {
4060 symbolic_header.cbFdOffset = file_offset;
4061 file_offset += i * sizeof (FDR);
4062 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
4063 }
4064
4065 i = symbolic_header.crfd; /* relative file descriptors */
4066 if (i > 0)
4067 {
4068 symbolic_header.cbRfdOffset = file_offset;
4069 file_offset += i * sizeof (symint_t);
4070 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
4071 }
4072
4073 i = symbolic_header.iextMax; /* external symbols */
4074 if (i > 0)
4075 {
4076 symbolic_header.cbExtOffset = file_offset;
4077 file_offset += i * sizeof (EXTR);
4078 file_offset = ALIGN_SYMTABLE_OFFSET (file_offset);
4079 }
4080 }
4081
4082 \f
4083 /* Write out a varray at a given location. */
4084
4085 STATIC void
4086 write_varray (vp, offset, str)
4087 varray_t *vp; /* virtual array */
4088 off_t offset; /* offset to write varray to */
4089 const char *str; /* string to print out when tracing */
4090 {
4091 int num_write, sys_write;
4092 vlinks_t *ptr;
4093
4094 if (vp->num_allocated == 0)
4095 return;
4096
4097 if (debug)
4098 {
4099 fputs ("\twarray\tvp = ", stderr);
4100 fprintf (stderr, HOST_PTR_PRINTF, (PTR) vp);
4101 fprintf (stderr, ", offset = %7lu, size = %7lu, %s\n",
4102 (unsigned long) offset, vp->num_allocated * vp->object_size, str);
4103 }
4104
4105 if (file_offset != offset
4106 && fseek (object_stream, (long) offset, SEEK_SET) < 0)
4107 pfatal_with_name (object_name);
4108
4109 for (ptr = vp->first; ptr != (vlinks_t *) 0; ptr = ptr->next)
4110 {
4111 num_write = (ptr->next == (vlinks_t *) 0)
4112 ? vp->objects_last_page * vp->object_size
4113 : vp->objects_per_page * vp->object_size;
4114
4115 sys_write = fwrite ((PTR) ptr->datum, 1, num_write, object_stream);
4116 if (sys_write <= 0)
4117 pfatal_with_name (object_name);
4118
4119 else if (sys_write != num_write)
4120 fatal ("wrote %d bytes to %s, system returned %d",
4121 num_write,
4122 object_name,
4123 sys_write);
4124
4125 file_offset += num_write;
4126 }
4127 }
4128
4129 \f
4130 /* Write out the symbol table in the object file. */
4131
4132 STATIC void
4133 write_object ()
4134 {
4135 int sys_write;
4136 efdr_t *file_ptr;
4137 off_t offset;
4138
4139 if (debug)
4140 {
4141 fputs ("\n\twrite\tvp = ", stderr);
4142 fprintf (stderr, HOST_PTR_PRINTF, (PTR) &symbolic_header);
4143 fprintf (stderr, ", offset = %7u, size = %7lu, %s\n",
4144 0, (unsigned long) sizeof (symbolic_header), "symbolic header");
4145 }
4146
4147 sys_write = fwrite ((PTR) &symbolic_header,
4148 1,
4149 sizeof (symbolic_header),
4150 object_stream);
4151
4152 if (sys_write < 0)
4153 pfatal_with_name (object_name);
4154
4155 else if (sys_write != sizeof (symbolic_header))
4156 fatal ("wrote %d bytes to %s, system returned %d",
4157 (int) sizeof (symbolic_header),
4158 object_name,
4159 sys_write);
4160
4161
4162 file_offset = sizeof (symbolic_header) + orig_file_header.f_symptr;
4163
4164 if (symbolic_header.cbLine > 0) /* line numbers */
4165 {
4166 long sys_write;
4167
4168 if (file_offset != symbolic_header.cbLineOffset
4169 && fseek (object_stream, symbolic_header.cbLineOffset, SEEK_SET) != 0)
4170 pfatal_with_name (object_name);
4171
4172 if (debug)
4173 {
4174 fputs ("\twrite\tvp = ", stderr);
4175 fprintf (stderr, HOST_PTR_PRINTF, (PTR) &orig_linenum);
4176 fprintf (stderr, ", offset = %7lu, size = %7lu, %s\n",
4177 (long) symbolic_header.cbLineOffset,
4178 (long) symbolic_header.cbLine, "Line numbers");
4179 }
4180
4181 sys_write = fwrite ((PTR) orig_linenum,
4182 1,
4183 symbolic_header.cbLine,
4184 object_stream);
4185
4186 if (sys_write <= 0)
4187 pfatal_with_name (object_name);
4188
4189 else if (sys_write != symbolic_header.cbLine)
4190 fatal ("wrote %ld bytes to %s, system returned %ld",
4191 (long) symbolic_header.cbLine,
4192 object_name,
4193 sys_write);
4194
4195 file_offset = symbolic_header.cbLineOffset + symbolic_header.cbLine;
4196 }
4197
4198 if (symbolic_header.ioptMax > 0) /* optimization symbols */
4199 {
4200 long sys_write;
4201 long num_write = symbolic_header.ioptMax * sizeof (OPTR);
4202
4203 if (file_offset != symbolic_header.cbOptOffset
4204 && fseek (object_stream, symbolic_header.cbOptOffset, SEEK_SET) != 0)
4205 pfatal_with_name (object_name);
4206
4207 if (debug)
4208 {
4209 fputs ("\twrite\tvp = ", stderr);
4210 fprintf (stderr, HOST_PTR_PRINTF, (PTR) &orig_opt_syms);
4211 fprintf (stderr, ", offset = %7lu, size = %7lu, %s\n",
4212 (long) symbolic_header.cbOptOffset,
4213 num_write, "Optimizer symbols");
4214 }
4215
4216 sys_write = fwrite ((PTR) orig_opt_syms,
4217 1,
4218 num_write,
4219 object_stream);
4220
4221 if (sys_write <= 0)
4222 pfatal_with_name (object_name);
4223
4224 else if (sys_write != num_write)
4225 fatal ("wrote %ld bytes to %s, system returned %ld",
4226 num_write,
4227 object_name,
4228 sys_write);
4229
4230 file_offset = symbolic_header.cbOptOffset + num_write;
4231 }
4232
4233 if (symbolic_header.idnMax > 0) /* dense numbers */
4234 write_varray (&dense_num, (off_t) symbolic_header.cbDnOffset, "Dense numbers");
4235
4236 if (symbolic_header.ipdMax > 0) /* procedure tables */
4237 {
4238 offset = symbolic_header.cbPdOffset;
4239 for (file_ptr = first_file;
4240 file_ptr != (efdr_t *) 0;
4241 file_ptr = file_ptr->next_file)
4242 {
4243 write_varray (&file_ptr->procs, offset, "Procedure tables");
4244 offset = file_offset;
4245 }
4246 }
4247
4248 if (symbolic_header.isymMax > 0) /* local symbols */
4249 {
4250 offset = symbolic_header.cbSymOffset;
4251 for (file_ptr = first_file;
4252 file_ptr != (efdr_t *) 0;
4253 file_ptr = file_ptr->next_file)
4254 {
4255 write_varray (&file_ptr->symbols, offset, "Local symbols");
4256 offset = file_offset;
4257 }
4258 }
4259
4260 if (symbolic_header.iauxMax > 0) /* aux symbols */
4261 {
4262 offset = symbolic_header.cbAuxOffset;
4263 for (file_ptr = first_file;
4264 file_ptr != (efdr_t *) 0;
4265 file_ptr = file_ptr->next_file)
4266 {
4267 write_varray (&file_ptr->aux_syms, offset, "Aux. symbols");
4268 offset = file_offset;
4269 }
4270 }
4271
4272 if (symbolic_header.issMax > 0) /* local strings */
4273 {
4274 offset = symbolic_header.cbSsOffset;
4275 for (file_ptr = first_file;
4276 file_ptr != (efdr_t *) 0;
4277 file_ptr = file_ptr->next_file)
4278 {
4279 write_varray (&file_ptr->strings, offset, "Local strings");
4280 offset = file_offset;
4281 }
4282 }
4283
4284 if (symbolic_header.issExtMax > 0) /* external strings */
4285 write_varray (&ext_strings, symbolic_header.cbSsExtOffset, "External strings");
4286
4287 if (symbolic_header.ifdMax > 0) /* file tables */
4288 {
4289 offset = symbolic_header.cbFdOffset;
4290 if (file_offset != offset
4291 && fseek (object_stream, (long) offset, SEEK_SET) < 0)
4292 pfatal_with_name (object_name);
4293
4294 file_offset = offset;
4295 for (file_ptr = first_file;
4296 file_ptr != (efdr_t *) 0;
4297 file_ptr = file_ptr->next_file)
4298 {
4299 if (debug)
4300 {
4301 fputs ("\twrite\tvp = ", stderr);
4302 fprintf (stderr, HOST_PTR_PRINTF, (PTR) &file_ptr->fdr);
4303 fprintf (stderr, ", offset = %7lu, size = %7lu, %s\n",
4304 file_offset, (unsigned long) sizeof (FDR),
4305 "File header");
4306 }
4307
4308 sys_write = fwrite (&file_ptr->fdr,
4309 1,
4310 sizeof (FDR),
4311 object_stream);
4312
4313 if (sys_write < 0)
4314 pfatal_with_name (object_name);
4315
4316 else if (sys_write != sizeof (FDR))
4317 fatal ("wrote %d bytes to %s, system returned %d",
4318 (int) sizeof (FDR),
4319 object_name,
4320 sys_write);
4321
4322 file_offset = offset += sizeof (FDR);
4323 }
4324 }
4325
4326 if (symbolic_header.crfd > 0) /* relative file descriptors */
4327 {
4328 long sys_write;
4329 symint_t num_write = symbolic_header.crfd * sizeof (symint_t);
4330
4331 if (file_offset != symbolic_header.cbRfdOffset
4332 && fseek (object_stream, symbolic_header.cbRfdOffset, SEEK_SET) != 0)
4333 pfatal_with_name (object_name);
4334
4335 if (debug)
4336 {
4337 fputs ("\twrite\tvp = ", stderr);
4338 fprintf (stderr, HOST_PTR_PRINTF, (PTR) &orig_rfds);
4339 fprintf (stderr, ", offset = %7lu, size = %7lu, %s\n",
4340 (long) symbolic_header.cbRfdOffset,
4341 num_write, "Relative file descriptors");
4342 }
4343
4344 sys_write = fwrite (orig_rfds,
4345 1,
4346 num_write,
4347 object_stream);
4348
4349 if (sys_write <= 0)
4350 pfatal_with_name (object_name);
4351
4352 else if (sys_write != (long) num_write)
4353 fatal ("wrote %lu bytes to %s, system returned %ld",
4354 num_write,
4355 object_name,
4356 sys_write);
4357
4358 file_offset = symbolic_header.cbRfdOffset + num_write;
4359 }
4360
4361 if (symbolic_header.issExtMax > 0) /* external symbols */
4362 write_varray (&ext_symbols, (off_t) symbolic_header.cbExtOffset, "External symbols");
4363
4364 if (fclose (object_stream) != 0)
4365 pfatal_with_name (object_name);
4366 }
4367
4368 \f
4369 /* Read some bytes at a specified location, and return a pointer. */
4370
4371 STATIC page_t *
4372 read_seek (size, offset, str)
4373 Size_t size; /* # bytes to read */
4374 off_t offset; /* offset to read at */
4375 const char *str; /* name for tracing */
4376 {
4377 page_t *ptr;
4378 long sys_read = 0;
4379
4380 if (size == 0) /* nothing to read */
4381 return (page_t *) 0;
4382
4383 if (debug)
4384 fprintf (stderr,
4385 "\trseek\tsize = %7lu, offset = %7lu, currently at %7lu, %s\n",
4386 (unsigned long) size, (unsigned long) offset, file_offset, str);
4387
4388 #ifndef MALLOC_CHECK
4389 ptr = allocate_multiple_pages ((size + PAGE_USIZE - 1) / PAGE_USIZE);
4390 #else
4391 ptr = (page_t *) xcalloc (1, size);
4392 #endif
4393
4394 /* If we need to seek, and the distance is nearby, just do some reads,
4395 to speed things up. */
4396 if (file_offset != offset)
4397 {
4398 symint_t difference = offset - file_offset;
4399
4400 if (difference < 8)
4401 {
4402 char small_buffer[8];
4403
4404 sys_read = fread (small_buffer, 1, difference, obj_in_stream);
4405 if (sys_read <= 0)
4406 pfatal_with_name (obj_in_name);
4407
4408 if ((symint_t) sys_read != difference)
4409 fatal ("wanted to read %lu bytes from %s, system returned %ld",
4410 (unsigned long) size,
4411 obj_in_name,
4412 sys_read);
4413 }
4414 else if (fseek (obj_in_stream, offset, SEEK_SET) < 0)
4415 pfatal_with_name (obj_in_name);
4416 }
4417
4418 sys_read = fread ((PTR) ptr, 1, size, obj_in_stream);
4419 if (sys_read <= 0)
4420 pfatal_with_name (obj_in_name);
4421
4422 if (sys_read != (long) size)
4423 fatal ("wanted to read %lu bytes from %s, system returned %ld",
4424 (unsigned long) size,
4425 obj_in_name,
4426 sys_read);
4427
4428 file_offset = offset + size;
4429
4430 if (file_offset > max_file_offset)
4431 max_file_offset = file_offset;
4432
4433 return ptr;
4434 }
4435
4436 \f
4437 /* Read the existing object file (and copy to the output object file
4438 if it is different from the input object file), and remove the old
4439 symbol table. */
4440
4441 STATIC void
4442 copy_object ()
4443 {
4444 char buffer[ PAGE_SIZE ];
4445 int sys_read;
4446 int remaining;
4447 int num_write;
4448 int sys_write;
4449 int fd, es;
4450 int delete_ifd = 0;
4451 int *remap_file_number;
4452 struct stat stat_buf;
4453
4454 if (debug)
4455 fprintf (stderr, "\tcopy\n");
4456
4457 if (fstat (fileno (obj_in_stream), &stat_buf) != 0
4458 || fseek (obj_in_stream, 0L, SEEK_SET) != 0)
4459 pfatal_with_name (obj_in_name);
4460
4461 sys_read = fread ((PTR) &orig_file_header,
4462 1,
4463 sizeof (struct filehdr),
4464 obj_in_stream);
4465
4466 if (sys_read < 0)
4467 pfatal_with_name (obj_in_name);
4468
4469 else if (sys_read == 0 && feof (obj_in_stream))
4470 return; /* create a .T file sans file header */
4471
4472 else if (sys_read < (int) sizeof (struct filehdr))
4473 fatal ("wanted to read %d bytes from %s, system returned %d",
4474 (int) sizeof (struct filehdr),
4475 obj_in_name,
4476 sys_read);
4477
4478
4479 if (orig_file_header.f_nsyms != sizeof (HDRR))
4480 fatal ("%s symbolic header wrong size (%ld bytes, should be %ld)",
4481 input_name, (long) orig_file_header.f_nsyms, (long) sizeof (HDRR));
4482
4483
4484 /* Read in the current symbolic header. */
4485 if (fseek (obj_in_stream, (long) orig_file_header.f_symptr, SEEK_SET) != 0)
4486 pfatal_with_name (input_name);
4487
4488 sys_read = fread ((PTR) &orig_sym_hdr,
4489 1,
4490 sizeof (orig_sym_hdr),
4491 obj_in_stream);
4492
4493 if (sys_read < 0)
4494 pfatal_with_name (object_name);
4495
4496 else if (sys_read < (int) sizeof (struct filehdr))
4497 fatal ("wanted to read %d bytes from %s, system returned %d",
4498 (int) sizeof (struct filehdr),
4499 obj_in_name,
4500 sys_read);
4501
4502
4503 /* Read in each of the sections if they exist in the object file.
4504 We read things in in the order the mips assembler creates the
4505 sections, so in theory no extra seeks are done.
4506
4507 For simplicity sake, round each read up to a page boundary,
4508 we may want to revisit this later.... */
4509
4510 file_offset = orig_file_header.f_symptr + sizeof (struct filehdr);
4511
4512 if (orig_sym_hdr.cbLine > 0) /* line numbers */
4513 orig_linenum = (char *) read_seek ((Size_t) orig_sym_hdr.cbLine,
4514 orig_sym_hdr.cbLineOffset,
4515 "Line numbers");
4516
4517 if (orig_sym_hdr.ipdMax > 0) /* procedure tables */
4518 orig_procs = (PDR *) read_seek ((Size_t) orig_sym_hdr.ipdMax * sizeof (PDR),
4519 orig_sym_hdr.cbPdOffset,
4520 "Procedure tables");
4521
4522 if (orig_sym_hdr.isymMax > 0) /* local symbols */
4523 orig_local_syms = (SYMR *) read_seek ((Size_t) orig_sym_hdr.isymMax * sizeof (SYMR),
4524 orig_sym_hdr.cbSymOffset,
4525 "Local symbols");
4526
4527 if (orig_sym_hdr.iauxMax > 0) /* aux symbols */
4528 orig_aux_syms = (AUXU *) read_seek ((Size_t) orig_sym_hdr.iauxMax * sizeof (AUXU),
4529 orig_sym_hdr.cbAuxOffset,
4530 "Aux. symbols");
4531
4532 if (orig_sym_hdr.issMax > 0) /* local strings */
4533 orig_local_strs = (char *) read_seek ((Size_t) orig_sym_hdr.issMax,
4534 orig_sym_hdr.cbSsOffset,
4535 "Local strings");
4536
4537 if (orig_sym_hdr.issExtMax > 0) /* external strings */
4538 orig_ext_strs = (char *) read_seek ((Size_t) orig_sym_hdr.issExtMax,
4539 orig_sym_hdr.cbSsExtOffset,
4540 "External strings");
4541
4542 if (orig_sym_hdr.ifdMax > 0) /* file tables */
4543 orig_files = (FDR *) read_seek ((Size_t) orig_sym_hdr.ifdMax * sizeof (FDR),
4544 orig_sym_hdr.cbFdOffset,
4545 "File tables");
4546
4547 if (orig_sym_hdr.crfd > 0) /* relative file descriptors */
4548 orig_rfds = (symint_t *) read_seek ((Size_t) orig_sym_hdr.crfd * sizeof (symint_t),
4549 orig_sym_hdr.cbRfdOffset,
4550 "Relative file descriptors");
4551
4552 if (orig_sym_hdr.issExtMax > 0) /* external symbols */
4553 orig_ext_syms = (EXTR *) read_seek ((Size_t) orig_sym_hdr.iextMax * sizeof (EXTR),
4554 orig_sym_hdr.cbExtOffset,
4555 "External symbols");
4556
4557 if (orig_sym_hdr.idnMax > 0) /* dense numbers */
4558 {
4559 orig_dense = (DNR *) read_seek ((Size_t) orig_sym_hdr.idnMax * sizeof (DNR),
4560 orig_sym_hdr.cbDnOffset,
4561 "Dense numbers");
4562
4563 add_bytes (&dense_num, (char *) orig_dense, (Size_t) orig_sym_hdr.idnMax);
4564 }
4565
4566 if (orig_sym_hdr.ioptMax > 0) /* opt symbols */
4567 orig_opt_syms = (OPTR *) read_seek ((Size_t) orig_sym_hdr.ioptMax * sizeof (OPTR),
4568 orig_sym_hdr.cbOptOffset,
4569 "Optimizer symbols");
4570
4571
4572
4573 /* Abort if the symbol table is not last. */
4574 if (max_file_offset != stat_buf.st_size)
4575 fatal ("symbol table is not last (symbol table ends at %ld, .o ends at %ld",
4576 max_file_offset,
4577 (long) stat_buf.st_size);
4578
4579
4580 /* If the first original file descriptor is a dummy which the assembler
4581 put out, but there are no symbols in it, skip it now. */
4582 if (orig_sym_hdr.ifdMax > 1
4583 && orig_files->csym == 2
4584 && orig_files->caux == 0)
4585 {
4586 char *filename = orig_local_strs + (orig_files->issBase + orig_files->rss);
4587 char *suffix = strrchr (filename, '.');
4588
4589 if (suffix != (char *) 0 && strcmp (suffix, ".s") == 0)
4590 delete_ifd = 1;
4591 }
4592
4593
4594 /* Create array to map original file numbers to the new file numbers
4595 (in case there are duplicate filenames, we collapse them into one
4596 file section, the MIPS assembler may or may not collapse them). */
4597
4598 remap_file_number = (int *) alloca (sizeof (int) * orig_sym_hdr.ifdMax);
4599
4600 for (fd = delete_ifd; fd < orig_sym_hdr.ifdMax; fd++)
4601 {
4602 FDR *fd_ptr = ORIG_FILES (fd);
4603 char *filename = ORIG_LSTRS (fd_ptr->issBase + fd_ptr->rss);
4604
4605 /* file support itself. */
4606 add_file (filename, filename + strlen (filename));
4607 remap_file_number[fd] = cur_file_ptr->file_index;
4608 }
4609
4610 if (delete_ifd > 0) /* just in case */
4611 remap_file_number[0] = remap_file_number[1];
4612
4613
4614 /* Loop, adding each of the external symbols. These must be in
4615 order or otherwise we would have to change the relocation
4616 entries. We don't just call add_bytes, because we need to have
4617 the names put into the external hash table. We set the type to
4618 'void' for now, and parse_def will fill in the correct type if it
4619 is in the symbol table. We must add the external symbols before
4620 the locals, since the locals do lookups against the externals. */
4621
4622 if (debug)
4623 fprintf (stderr, "\tehash\n");
4624
4625 for (es = 0; es < orig_sym_hdr.iextMax; es++)
4626 {
4627 EXTR *eptr = orig_ext_syms + es;
4628 unsigned ifd = eptr->ifd;
4629
4630 (void) add_ext_symbol (eptr, ((long) ifd < orig_sym_hdr.ifdMax)
4631 ? remap_file_number[ ifd ] : ifd );
4632 }
4633
4634
4635 /* For each of the files in the object file, copy the symbols, and such
4636 into the varrays for the new object file. */
4637
4638 for (fd = delete_ifd; fd < orig_sym_hdr.ifdMax; fd++)
4639 {
4640 FDR *fd_ptr = ORIG_FILES (fd);
4641 char *filename = ORIG_LSTRS (fd_ptr->issBase + fd_ptr->rss);
4642 SYMR *sym_start;
4643 SYMR *sym;
4644 SYMR *sym_end_p1;
4645 PDR *proc_start;
4646 PDR *proc;
4647 PDR *proc_end_p1;
4648
4649 /* file support itself. */
4650 add_file (filename, filename + strlen (filename));
4651 cur_file_ptr->orig_fdr = fd_ptr;
4652
4653 /* Copy stuff that's just passed through (such as line #'s) */
4654 cur_file_ptr->fdr.adr = fd_ptr->adr;
4655 cur_file_ptr->fdr.ilineBase = fd_ptr->ilineBase;
4656 cur_file_ptr->fdr.cline = fd_ptr->cline;
4657 cur_file_ptr->fdr.rfdBase = fd_ptr->rfdBase;
4658 cur_file_ptr->fdr.crfd = fd_ptr->crfd;
4659 cur_file_ptr->fdr.cbLineOffset = fd_ptr->cbLineOffset;
4660 cur_file_ptr->fdr.cbLine = fd_ptr->cbLine;
4661 cur_file_ptr->fdr.fMerge = fd_ptr->fMerge;
4662 cur_file_ptr->fdr.fReadin = fd_ptr->fReadin;
4663 cur_file_ptr->fdr.glevel = fd_ptr->glevel;
4664
4665 if (debug)
4666 fprintf (stderr, "\thash\tstart, filename %s\n", filename);
4667
4668 /* For each of the static and global symbols defined, add them
4669 to the hash table of original symbols, so we can look up
4670 their values. */
4671
4672 sym_start = ORIG_LSYMS (fd_ptr->isymBase);
4673 sym_end_p1 = sym_start + fd_ptr->csym;
4674 for (sym = sym_start; sym < sym_end_p1; sym++)
4675 {
4676 switch ((st_t) sym->st)
4677 {
4678 default:
4679 break;
4680
4681 case st_Global:
4682 case st_Static:
4683 case st_Label:
4684 case st_Proc:
4685 case st_StaticProc:
4686 {
4687 auto symint_t hash_index;
4688 char *str = ORIG_LSTRS (fd_ptr->issBase + sym->iss);
4689 Size_t len = strlen (str);
4690 shash_t *shash_ptr = hash_string (str,
4691 (Ptrdiff_t) len,
4692 &orig_str_hash[0],
4693 &hash_index);
4694
4695 if (shash_ptr != (shash_t *) 0)
4696 error ("internal error, %s is already in original symbol table", str);
4697
4698 else
4699 {
4700 shash_ptr = allocate_shash ();
4701 shash_ptr->next = orig_str_hash[hash_index];
4702 orig_str_hash[hash_index] = shash_ptr;
4703
4704 shash_ptr->len = len;
4705 shash_ptr->indx = indexNil;
4706 shash_ptr->string = str;
4707 shash_ptr->sym_ptr = sym;
4708 }
4709 }
4710 break;
4711
4712 case st_End:
4713 if ((sc_t) sym->sc == sc_Text)
4714 {
4715 char *str = ORIG_LSTRS (fd_ptr->issBase + sym->iss);
4716
4717 if (*str != '\0')
4718 {
4719 Size_t len = strlen (str);
4720 shash_t *shash_ptr = hash_string (str,
4721 (Ptrdiff_t) len,
4722 &orig_str_hash[0],
4723 (symint_t *) 0);
4724
4725 if (shash_ptr != (shash_t *) 0)
4726 shash_ptr->end_ptr = sym;
4727 }
4728 }
4729 break;
4730
4731 }
4732 }
4733
4734 if (debug)
4735 {
4736 fprintf (stderr, "\thash\tdone, filename %s\n", filename);
4737 fprintf (stderr, "\tproc\tstart, filename %s\n", filename);
4738 }
4739
4740 /* Go through each of the procedures in this file, and add the
4741 procedure pointer to the hash entry for the given name. */
4742
4743 proc_start = ORIG_PROCS (fd_ptr->ipdFirst);
4744 proc_end_p1 = proc_start + fd_ptr->cpd;
4745 for (proc = proc_start; proc < proc_end_p1; proc++)
4746 {
4747 SYMR *proc_sym = ORIG_LSYMS (fd_ptr->isymBase + proc->isym);
4748 char *str = ORIG_LSTRS (fd_ptr->issBase + proc_sym->iss);
4749 Size_t len = strlen (str);
4750 shash_t *shash_ptr = hash_string (str,
4751 (Ptrdiff_t) len,
4752 &orig_str_hash[0],
4753 (symint_t *) 0);
4754
4755 if (shash_ptr == (shash_t *) 0)
4756 error ("internal error, function %s is not in original symbol table", str);
4757
4758 else
4759 shash_ptr->proc_ptr = proc;
4760 }
4761
4762 if (debug)
4763 fprintf (stderr, "\tproc\tdone, filename %s\n", filename);
4764
4765 }
4766 cur_file_ptr = first_file;
4767
4768
4769 /* Copy all of the object file up to the symbol table. Originally
4770 we were going to use ftruncate, but that doesn't seem to work
4771 on Ultrix 3.1.... */
4772
4773 if (fseek (obj_in_stream, (long) 0, SEEK_SET) != 0)
4774 pfatal_with_name (obj_in_name);
4775
4776 if (fseek (object_stream, (long) 0, SEEK_SET) != 0)
4777 pfatal_with_name (object_name);
4778
4779 for (remaining = orig_file_header.f_symptr;
4780 remaining > 0;
4781 remaining -= num_write)
4782 {
4783 num_write
4784 = (remaining <= (int) sizeof (buffer))
4785 ? remaining : (int) sizeof (buffer);
4786 sys_read = fread ((PTR) buffer, 1, num_write, obj_in_stream);
4787 if (sys_read <= 0)
4788 pfatal_with_name (obj_in_name);
4789
4790 else if (sys_read != num_write)
4791 fatal ("wanted to read %d bytes from %s, system returned %d",
4792 num_write,
4793 obj_in_name,
4794 sys_read);
4795
4796 sys_write = fwrite (buffer, 1, num_write, object_stream);
4797 if (sys_write <= 0)
4798 pfatal_with_name (object_name);
4799
4800 else if (sys_write != num_write)
4801 fatal ("wrote %d bytes to %s, system returned %d",
4802 num_write,
4803 object_name,
4804 sys_write);
4805 }
4806 }
4807
4808 \f
4809 /* Ye olde main program. */
4810
4811 extern int main PARAMS ((int, char **));
4812
4813 int
4814 main (argc, argv)
4815 int argc;
4816 char **argv;
4817 {
4818 int iflag = 0;
4819 char *p = strrchr (argv[0], '/');
4820 char *num_end;
4821 int option;
4822 int i;
4823
4824 progname = (p != 0) ? p+1 : argv[0];
4825
4826 (void) signal (SIGSEGV, catch_signal);
4827 (void) signal (SIGBUS, catch_signal);
4828 (void) signal (SIGABRT, catch_signal);
4829
4830 #if !defined(__SABER__) && !defined(lint)
4831 if (sizeof (efdr_t) > PAGE_USIZE)
4832 fatal ("efdr_t has a sizeof %d bytes, when it should be less than %d",
4833 (int) sizeof (efdr_t),
4834 (int) PAGE_USIZE);
4835
4836 if (sizeof (page_t) != PAGE_USIZE)
4837 fatal ("page_t has a sizeof %d bytes, when it should be %d",
4838 (int) sizeof (page_t),
4839 (int) PAGE_USIZE);
4840
4841 #endif
4842
4843 alloc_counts[ alloc_type_none ].alloc_name = "none";
4844 alloc_counts[ alloc_type_scope ].alloc_name = "scope";
4845 alloc_counts[ alloc_type_vlinks ].alloc_name = "vlinks";
4846 alloc_counts[ alloc_type_shash ].alloc_name = "shash";
4847 alloc_counts[ alloc_type_thash ].alloc_name = "thash";
4848 alloc_counts[ alloc_type_tag ].alloc_name = "tag";
4849 alloc_counts[ alloc_type_forward ].alloc_name = "forward";
4850 alloc_counts[ alloc_type_thead ].alloc_name = "thead";
4851 alloc_counts[ alloc_type_varray ].alloc_name = "varray";
4852
4853 int_type_info = type_info_init;
4854 int_type_info.basic_type = bt_Int;
4855
4856 void_type_info = type_info_init;
4857 void_type_info.basic_type = bt_Void;
4858
4859 while ((option = getopt (argc, argv, "d:i:I:o:v")) != EOF)
4860 switch (option)
4861 {
4862 default:
4863 had_errors++;
4864 break;
4865
4866 case 'd':
4867 debug = strtol (optarg, &num_end, 0);
4868 if ((unsigned) debug > 4 || num_end == optarg)
4869 had_errors++;
4870
4871 break;
4872
4873 case 'I':
4874 if (rename_output || obj_in_name != (char *) 0)
4875 had_errors++;
4876 else
4877 rename_output = 1;
4878
4879 /* fall through to 'i' case. */
4880
4881 case 'i':
4882 if (obj_in_name == (char *) 0)
4883 {
4884 obj_in_name = optarg;
4885 iflag++;
4886 }
4887 else
4888 had_errors++;
4889 break;
4890
4891 case 'o':
4892 if (object_name == (char *) 0)
4893 object_name = optarg;
4894 else
4895 had_errors++;
4896 break;
4897
4898 case 'v':
4899 version++;
4900 break;
4901 }
4902
4903 if (obj_in_name == (char *) 0 && optind <= argc - 2)
4904 obj_in_name = argv[--argc];
4905
4906 if (object_name == (char *) 0 && optind <= argc - 2)
4907 object_name = argv[--argc];
4908
4909 /* If there is an output name, but no input name use
4910 the same file for both, deleting the name between
4911 opening it for input and opening it for output. */
4912 if (obj_in_name == (char *) 0 && object_name != (char *) 0)
4913 {
4914 obj_in_name = object_name;
4915 delete_input = 1;
4916 }
4917
4918 if (object_name == (char *) 0 || had_errors || optind != argc - 1)
4919 {
4920 fprintf (stderr, _("Calling Sequence:\n"));
4921 fprintf (stderr, _("\tmips-tfile [-d <num>] [-v] [-i <o-in-file>] -o <o-out-file> <s-file> (or)\n"));
4922 fprintf (stderr, _("\tmips-tfile [-d <num>] [-v] [-I <o-in-file>] -o <o-out-file> <s-file> (or)\n"));
4923 fprintf (stderr, _("\tmips-tfile [-d <num>] [-v] <s-file> <o-in-file> <o-out-file>\n"));
4924 fprintf (stderr, "\n");
4925 fprintf (stderr, _("Debug levels are:\n"));
4926 fprintf (stderr, _(" 1\tGeneral debug + trace functions/blocks.\n"));
4927 fprintf (stderr, _(" 2\tDebug level 1 + trace externals.\n"));
4928 fprintf (stderr, _(" 3\tDebug level 2 + trace all symbols.\n"));
4929 fprintf (stderr, _(" 4\tDebug level 3 + trace memory allocations.\n"));
4930 return 1;
4931 }
4932
4933
4934 if (version)
4935 {
4936 fprintf (stderr, _("mips-tfile version %s"), version_string);
4937 #ifdef TARGET_VERSION
4938 TARGET_VERSION;
4939 #endif
4940 fputc ('\n', stderr);
4941 }
4942
4943 if (obj_in_name == (char *) 0)
4944 obj_in_name = object_name;
4945
4946 if (rename_output && rename (object_name, obj_in_name) != 0)
4947 {
4948 char *buffer = (char *) allocate_multiple_pages (4);
4949 int len;
4950 int len2;
4951 int in_fd;
4952 int out_fd;
4953
4954 /* Rename failed, copy input file */
4955 in_fd = open (object_name, O_RDONLY, 0666);
4956 if (in_fd < 0)
4957 pfatal_with_name (object_name);
4958
4959 out_fd = open (obj_in_name, O_WRONLY | O_CREAT | O_TRUNC, 0666);
4960 if (out_fd < 0)
4961 pfatal_with_name (obj_in_name);
4962
4963 while ((len = read (in_fd, buffer, 4*PAGE_SIZE)) > 0)
4964 {
4965 len2 = write (out_fd, buffer, len);
4966 if (len2 < 0)
4967 pfatal_with_name (object_name);
4968
4969 if (len != len2)
4970 fatal ("wrote %d bytes to %s, expected to write %d", len2, obj_in_name, len);
4971 }
4972
4973 free_multiple_pages ((page_t *) buffer, 4);
4974
4975 if (len < 0)
4976 pfatal_with_name (object_name);
4977
4978 if (close (in_fd) < 0)
4979 pfatal_with_name (object_name);
4980
4981 if (close (out_fd) < 0)
4982 pfatal_with_name (obj_in_name);
4983 }
4984
4985 /* Must open input before output, since the output may be the same file, and
4986 we need to get the input handle before truncating it. */
4987 obj_in_stream = fopen (obj_in_name, "r");
4988 if (obj_in_stream == (FILE *) 0)
4989 pfatal_with_name (obj_in_name);
4990
4991 if (delete_input && unlink (obj_in_name) != 0)
4992 pfatal_with_name (obj_in_name);
4993
4994 object_stream = fopen (object_name, "w");
4995 if (object_stream == (FILE *) 0)
4996 pfatal_with_name (object_name);
4997
4998 if (strcmp (argv[optind], "-") != 0)
4999 {
5000 input_name = argv[optind];
5001 if (freopen (argv[optind], "r", stdin) != stdin)
5002 pfatal_with_name (argv[optind]);
5003 }
5004
5005 copy_object (); /* scan & copy object file */
5006 parse_input (); /* scan all of input */
5007
5008 update_headers (); /* write out tfile */
5009 write_object ();
5010
5011 if (debug)
5012 {
5013 fprintf (stderr, "\n\tAllocation summary:\n\n");
5014 for (i = (int) alloc_type_none; i < (int) alloc_type_last; i++)
5015 if (alloc_counts[i].total_alloc)
5016 {
5017 fprintf (stderr,
5018 "\t%s\t%5d allocation(s), %5d free(s), %2d page(s)\n",
5019 alloc_counts[i].alloc_name,
5020 alloc_counts[i].total_alloc,
5021 alloc_counts[i].total_free,
5022 alloc_counts[i].total_pages);
5023 }
5024 }
5025
5026 return (had_errors) ? 1 : 0;
5027 }
5028
5029 \f
5030 /* Catch a signal and exit without dumping core. */
5031
5032 STATIC void
5033 catch_signal (signum)
5034 int signum;
5035 {
5036 (void) signal (signum, SIG_DFL); /* just in case... */
5037 fatal ("%s", strsignal (signum));
5038 }
5039
5040 /* Print a fatal error message. NAME is the text.
5041 Also include a system error message based on `errno'. */
5042
5043 void
5044 pfatal_with_name (msg)
5045 const char *msg;
5046 {
5047 int save_errno = errno; /* just in case.... */
5048 if (line_number > 0)
5049 fprintf (stderr, "%s, %s:%ld ", progname, input_name, line_number);
5050 else
5051 fprintf (stderr, "%s:", progname);
5052
5053 errno = save_errno;
5054 if (errno == 0)
5055 fprintf (stderr, "[errno = 0] %s\n", msg);
5056 else
5057 perror (msg);
5058
5059 exit (1);
5060 }
5061
5062 \f
5063 /* Procedure to abort with an out of bounds error message. It has
5064 type int, so it can be used with an ?: expression within the
5065 ORIG_xxx macros, but the function never returns. */
5066
5067 static int
5068 out_of_bounds (indx, max, str, prog_line)
5069 symint_t indx; /* index that is out of bounds */
5070 symint_t max; /* maximum index */
5071 const char *str; /* string to print out */
5072 int prog_line; /* line number within mips-tfile.c */
5073 {
5074 if (indx < max) /* just in case */
5075 return 0;
5076
5077 fprintf (stderr, "%s, %s:%ld index %lu is out of bounds for %s, max is %lu, mips-tfile.c line# %d\n",
5078 progname, input_name, line_number, indx, str, max, prog_line);
5079
5080 exit (1);
5081 return 0; /* turn off warning messages */
5082 }
5083
5084 \f
5085 /* Allocate a cluster of pages. USE_MALLOC says that malloc does not
5086 like sbrk's behind its back (or sbrk isn't available). If we use
5087 sbrk, we assume it gives us zeroed pages. */
5088
5089 #ifndef MALLOC_CHECK
5090 #ifdef USE_MALLOC
5091
5092 STATIC page_t *
5093 allocate_cluster (npages)
5094 Size_t npages;
5095 {
5096 page_t *value = (page_t *) xcalloc (npages, PAGE_USIZE);
5097
5098 if (debug > 3)
5099 fprintf (stderr, "\talloc\tnpages = %d, value = 0x%.8x\n", npages, value);
5100
5101 return value;
5102 }
5103
5104 #else /* USE_MALLOC */
5105
5106 STATIC page_t *
5107 allocate_cluster (npages)
5108 Size_t npages;
5109 {
5110 page_t *ptr = (page_t *) sbrk (0); /* current sbreak */
5111 unsigned long offset = ((unsigned long) ptr) & (PAGE_SIZE - 1);
5112
5113 if (offset != 0) /* align to a page boundary */
5114 {
5115 if (sbrk (PAGE_USIZE - offset) == (char *)-1)
5116 pfatal_with_name ("allocate_cluster");
5117
5118 ptr = (page_t *) (((char *) ptr) + PAGE_SIZE - offset);
5119 }
5120
5121 if (sbrk (npages * PAGE_USIZE) == (char *) -1)
5122 pfatal_with_name ("allocate_cluster");
5123
5124 if (debug > 3)
5125 {
5126 fprintf (stderr, "\talloc\tnpages = %lu, value = ",
5127 (unsigned long) npages);
5128 fprintf (stderr, HOST_PTR_PRINTF, (PTR) ptr);
5129 fputs ("\n", stderr);
5130 }
5131
5132 return ptr;
5133 }
5134
5135 #endif /* USE_MALLOC */
5136
5137
5138 static page_t *cluster_ptr = NULL;
5139 static unsigned pages_left = 0;
5140
5141 #endif /* MALLOC_CHECK */
5142
5143
5144 /* Allocate some pages (which is initialized to 0). */
5145
5146 STATIC page_t *
5147 allocate_multiple_pages (npages)
5148 Size_t npages;
5149 {
5150 #ifndef MALLOC_CHECK
5151 if (pages_left == 0 && npages < MAX_CLUSTER_PAGES)
5152 {
5153 pages_left = MAX_CLUSTER_PAGES;
5154 cluster_ptr = allocate_cluster (MAX_CLUSTER_PAGES);
5155 }
5156
5157 if (npages <= pages_left)
5158 {
5159 page_t *ptr = cluster_ptr;
5160 cluster_ptr += npages;
5161 pages_left -= npages;
5162 return ptr;
5163 }
5164
5165 return allocate_cluster (npages);
5166
5167 #else /* MALLOC_CHECK */
5168 return (page_t *) xcalloc (npages, PAGE_SIZE);
5169
5170 #endif /* MALLOC_CHECK */
5171 }
5172
5173
5174 /* Release some pages. */
5175
5176 STATIC void
5177 free_multiple_pages (page_ptr, npages)
5178 page_t *page_ptr;
5179 Size_t npages;
5180 {
5181 #ifndef MALLOC_CHECK
5182 if (pages_left == 0)
5183 {
5184 cluster_ptr = page_ptr;
5185 pages_left = npages;
5186 }
5187
5188 else if ((page_ptr + npages) == cluster_ptr)
5189 {
5190 cluster_ptr -= npages;
5191 pages_left += npages;
5192 }
5193
5194 /* otherwise the page is not freed. If more than call is
5195 done, we probably should worry about it, but at present,
5196 the free pages is done right after an allocate. */
5197
5198 #else /* MALLOC_CHECK */
5199 free ((char *) page_ptr);
5200
5201 #endif /* MALLOC_CHECK */
5202 }
5203
5204
5205 /* Allocate one page (which is initialized to 0). */
5206
5207 STATIC page_t *
5208 allocate_page ()
5209 {
5210 #ifndef MALLOC_CHECK
5211 if (pages_left == 0)
5212 {
5213 pages_left = MAX_CLUSTER_PAGES;
5214 cluster_ptr = allocate_cluster (MAX_CLUSTER_PAGES);
5215 }
5216
5217 pages_left--;
5218 return cluster_ptr++;
5219
5220 #else /* MALLOC_CHECK */
5221 return (page_t *) xcalloc (1, PAGE_SIZE);
5222
5223 #endif /* MALLOC_CHECK */
5224 }
5225
5226 \f
5227 /* Allocate scoping information. */
5228
5229 STATIC scope_t *
5230 allocate_scope ()
5231 {
5232 scope_t *ptr;
5233 static scope_t initial_scope;
5234
5235 #ifndef MALLOC_CHECK
5236 ptr = alloc_counts[ (int) alloc_type_scope ].free_list.f_scope;
5237 if (ptr != (scope_t *) 0)
5238 alloc_counts[ (int) alloc_type_scope ].free_list.f_scope = ptr->free;
5239
5240 else
5241 {
5242 int unallocated = alloc_counts[ (int) alloc_type_scope ].unallocated;
5243 page_t *cur_page = alloc_counts[ (int) alloc_type_scope ].cur_page;
5244
5245 if (unallocated == 0)
5246 {
5247 unallocated = PAGE_SIZE / sizeof (scope_t);
5248 alloc_counts[ (int) alloc_type_scope ].cur_page = cur_page = allocate_page ();
5249 alloc_counts[ (int) alloc_type_scope ].total_pages++;
5250 }
5251
5252 ptr = &cur_page->scope[ --unallocated ];
5253 alloc_counts[ (int) alloc_type_scope ].unallocated = unallocated;
5254 }
5255
5256 #else
5257 ptr = (scope_t *) xmalloc (sizeof (scope_t));
5258
5259 #endif
5260
5261 alloc_counts[ (int) alloc_type_scope ].total_alloc++;
5262 *ptr = initial_scope;
5263 return ptr;
5264 }
5265
5266 /* Free scoping information. */
5267
5268 STATIC void
5269 free_scope (ptr)
5270 scope_t *ptr;
5271 {
5272 alloc_counts[ (int) alloc_type_scope ].total_free++;
5273
5274 #ifndef MALLOC_CHECK
5275 ptr->free = alloc_counts[ (int) alloc_type_scope ].free_list.f_scope;
5276 alloc_counts[ (int) alloc_type_scope ].free_list.f_scope = ptr;
5277
5278 #else
5279 free ((PTR) ptr);
5280 #endif
5281
5282 }
5283
5284 \f
5285 /* Allocate links for pages in a virtual array. */
5286
5287 STATIC vlinks_t *
5288 allocate_vlinks ()
5289 {
5290 vlinks_t *ptr;
5291 static vlinks_t initial_vlinks;
5292
5293 #ifndef MALLOC_CHECK
5294 int unallocated = alloc_counts[ (int) alloc_type_vlinks ].unallocated;
5295 page_t *cur_page = alloc_counts[ (int) alloc_type_vlinks ].cur_page;
5296
5297 if (unallocated == 0)
5298 {
5299 unallocated = PAGE_SIZE / sizeof (vlinks_t);
5300 alloc_counts[ (int) alloc_type_vlinks ].cur_page = cur_page = allocate_page ();
5301 alloc_counts[ (int) alloc_type_vlinks ].total_pages++;
5302 }
5303
5304 ptr = &cur_page->vlinks[ --unallocated ];
5305 alloc_counts[ (int) alloc_type_vlinks ].unallocated = unallocated;
5306
5307 #else
5308 ptr = (vlinks_t *) xmalloc (sizeof (vlinks_t));
5309
5310 #endif
5311
5312 alloc_counts[ (int) alloc_type_vlinks ].total_alloc++;
5313 *ptr = initial_vlinks;
5314 return ptr;
5315 }
5316
5317 \f
5318 /* Allocate string hash buckets. */
5319
5320 STATIC shash_t *
5321 allocate_shash ()
5322 {
5323 shash_t *ptr;
5324 static shash_t initial_shash;
5325
5326 #ifndef MALLOC_CHECK
5327 int unallocated = alloc_counts[ (int) alloc_type_shash ].unallocated;
5328 page_t *cur_page = alloc_counts[ (int) alloc_type_shash ].cur_page;
5329
5330 if (unallocated == 0)
5331 {
5332 unallocated = PAGE_SIZE / sizeof (shash_t);
5333 alloc_counts[ (int) alloc_type_shash ].cur_page = cur_page = allocate_page ();
5334 alloc_counts[ (int) alloc_type_shash ].total_pages++;
5335 }
5336
5337 ptr = &cur_page->shash[ --unallocated ];
5338 alloc_counts[ (int) alloc_type_shash ].unallocated = unallocated;
5339
5340 #else
5341 ptr = (shash_t *) xmalloc (sizeof (shash_t));
5342
5343 #endif
5344
5345 alloc_counts[ (int) alloc_type_shash ].total_alloc++;
5346 *ptr = initial_shash;
5347 return ptr;
5348 }
5349
5350 \f
5351 /* Allocate type hash buckets. */
5352
5353 STATIC thash_t *
5354 allocate_thash ()
5355 {
5356 thash_t *ptr;
5357 static thash_t initial_thash;
5358
5359 #ifndef MALLOC_CHECK
5360 int unallocated = alloc_counts[ (int) alloc_type_thash ].unallocated;
5361 page_t *cur_page = alloc_counts[ (int) alloc_type_thash ].cur_page;
5362
5363 if (unallocated == 0)
5364 {
5365 unallocated = PAGE_SIZE / sizeof (thash_t);
5366 alloc_counts[ (int) alloc_type_thash ].cur_page = cur_page = allocate_page ();
5367 alloc_counts[ (int) alloc_type_thash ].total_pages++;
5368 }
5369
5370 ptr = &cur_page->thash[ --unallocated ];
5371 alloc_counts[ (int) alloc_type_thash ].unallocated = unallocated;
5372
5373 #else
5374 ptr = (thash_t *) xmalloc (sizeof (thash_t));
5375
5376 #endif
5377
5378 alloc_counts[ (int) alloc_type_thash ].total_alloc++;
5379 *ptr = initial_thash;
5380 return ptr;
5381 }
5382
5383 \f
5384 /* Allocate structure, union, or enum tag information. */
5385
5386 STATIC tag_t *
5387 allocate_tag ()
5388 {
5389 tag_t *ptr;
5390 static tag_t initial_tag;
5391
5392 #ifndef MALLOC_CHECK
5393 ptr = alloc_counts[ (int) alloc_type_tag ].free_list.f_tag;
5394 if (ptr != (tag_t *) 0)
5395 alloc_counts[ (int) alloc_type_tag ].free_list.f_tag = ptr->free;
5396
5397 else
5398 {
5399 int unallocated = alloc_counts[ (int) alloc_type_tag ].unallocated;
5400 page_t *cur_page = alloc_counts[ (int) alloc_type_tag ].cur_page;
5401
5402 if (unallocated == 0)
5403 {
5404 unallocated = PAGE_SIZE / sizeof (tag_t);
5405 alloc_counts[ (int) alloc_type_tag ].cur_page = cur_page = allocate_page ();
5406 alloc_counts[ (int) alloc_type_tag ].total_pages++;
5407 }
5408
5409 ptr = &cur_page->tag[ --unallocated ];
5410 alloc_counts[ (int) alloc_type_tag ].unallocated = unallocated;
5411 }
5412
5413 #else
5414 ptr = (tag_t *) xmalloc (sizeof (tag_t));
5415
5416 #endif
5417
5418 alloc_counts[ (int) alloc_type_tag ].total_alloc++;
5419 *ptr = initial_tag;
5420 return ptr;
5421 }
5422
5423 /* Free scoping information. */
5424
5425 STATIC void
5426 free_tag (ptr)
5427 tag_t *ptr;
5428 {
5429 alloc_counts[ (int) alloc_type_tag ].total_free++;
5430
5431 #ifndef MALLOC_CHECK
5432 ptr->free = alloc_counts[ (int) alloc_type_tag ].free_list.f_tag;
5433 alloc_counts[ (int) alloc_type_tag ].free_list.f_tag = ptr;
5434
5435 #else
5436 free ((PTR) ptr);
5437 #endif
5438
5439 }
5440
5441 \f
5442 /* Allocate forward reference to a yet unknown tag. */
5443
5444 STATIC forward_t *
5445 allocate_forward ()
5446 {
5447 forward_t *ptr;
5448 static forward_t initial_forward;
5449
5450 #ifndef MALLOC_CHECK
5451 ptr = alloc_counts[ (int) alloc_type_forward ].free_list.f_forward;
5452 if (ptr != (forward_t *) 0)
5453 alloc_counts[ (int) alloc_type_forward ].free_list.f_forward = ptr->free;
5454
5455 else
5456 {
5457 int unallocated = alloc_counts[ (int) alloc_type_forward ].unallocated;
5458 page_t *cur_page = alloc_counts[ (int) alloc_type_forward ].cur_page;
5459
5460 if (unallocated == 0)
5461 {
5462 unallocated = PAGE_SIZE / sizeof (forward_t);
5463 alloc_counts[ (int) alloc_type_forward ].cur_page = cur_page = allocate_page ();
5464 alloc_counts[ (int) alloc_type_forward ].total_pages++;
5465 }
5466
5467 ptr = &cur_page->forward[ --unallocated ];
5468 alloc_counts[ (int) alloc_type_forward ].unallocated = unallocated;
5469 }
5470
5471 #else
5472 ptr = (forward_t *) xmalloc (sizeof (forward_t));
5473
5474 #endif
5475
5476 alloc_counts[ (int) alloc_type_forward ].total_alloc++;
5477 *ptr = initial_forward;
5478 return ptr;
5479 }
5480
5481 /* Free scoping information. */
5482
5483 STATIC void
5484 free_forward (ptr)
5485 forward_t *ptr;
5486 {
5487 alloc_counts[ (int) alloc_type_forward ].total_free++;
5488
5489 #ifndef MALLOC_CHECK
5490 ptr->free = alloc_counts[ (int) alloc_type_forward ].free_list.f_forward;
5491 alloc_counts[ (int) alloc_type_forward ].free_list.f_forward = ptr;
5492
5493 #else
5494 free ((PTR) ptr);
5495 #endif
5496
5497 }
5498
5499 \f
5500 /* Allocate head of type hash list. */
5501
5502 STATIC thead_t *
5503 allocate_thead ()
5504 {
5505 thead_t *ptr;
5506 static thead_t initial_thead;
5507
5508 #ifndef MALLOC_CHECK
5509 ptr = alloc_counts[ (int) alloc_type_thead ].free_list.f_thead;
5510 if (ptr != (thead_t *) 0)
5511 alloc_counts[ (int) alloc_type_thead ].free_list.f_thead = ptr->free;
5512
5513 else
5514 {
5515 int unallocated = alloc_counts[ (int) alloc_type_thead ].unallocated;
5516 page_t *cur_page = alloc_counts[ (int) alloc_type_thead ].cur_page;
5517
5518 if (unallocated == 0)
5519 {
5520 unallocated = PAGE_SIZE / sizeof (thead_t);
5521 alloc_counts[ (int) alloc_type_thead ].cur_page = cur_page = allocate_page ();
5522 alloc_counts[ (int) alloc_type_thead ].total_pages++;
5523 }
5524
5525 ptr = &cur_page->thead[ --unallocated ];
5526 alloc_counts[ (int) alloc_type_thead ].unallocated = unallocated;
5527 }
5528
5529 #else
5530 ptr = (thead_t *) xmalloc (sizeof (thead_t));
5531
5532 #endif
5533
5534 alloc_counts[ (int) alloc_type_thead ].total_alloc++;
5535 *ptr = initial_thead;
5536 return ptr;
5537 }
5538
5539 /* Free scoping information. */
5540
5541 STATIC void
5542 free_thead (ptr)
5543 thead_t *ptr;
5544 {
5545 alloc_counts[ (int) alloc_type_thead ].total_free++;
5546
5547 #ifndef MALLOC_CHECK
5548 ptr->free = (thead_t *) alloc_counts[ (int) alloc_type_thead ].free_list.f_thead;
5549 alloc_counts[ (int) alloc_type_thead ].free_list.f_thead = ptr;
5550
5551 #else
5552 free ((PTR) ptr);
5553 #endif
5554
5555 }
5556
5557 #endif /* MIPS_DEBUGGING_INFO */
5558
5559 \f
5560 /* Output an error message and exit */
5561
5562 /*VARARGS*/
5563 void
5564 fatal VPARAMS ((const char *format, ...))
5565 {
5566 VA_OPEN (ap, format);
5567 VA_FIXEDARG (ap, const char *, format);
5568
5569 if (line_number > 0)
5570 fprintf (stderr, "%s, %s:%ld ", progname, input_name, line_number);
5571 else
5572 fprintf (stderr, "%s:", progname);
5573
5574 vfprintf (stderr, format, ap);
5575 VA_CLOSE (ap);
5576 fprintf (stderr, "\n");
5577 if (line_number > 0)
5578 fprintf (stderr, "line:\t%s\n", cur_line_start);
5579
5580 saber_stop ();
5581 exit (1);
5582 }
5583
5584 /*VARARGS*/
5585 void
5586 error VPARAMS ((const char *format, ...))
5587 {
5588 VA_OPEN (ap, format);
5589 VA_FIXEDARG (ap, char *, format);
5590
5591 if (line_number > 0)
5592 fprintf (stderr, "%s, %s:%ld ", progname, input_name, line_number);
5593 else
5594 fprintf (stderr, "%s:", progname);
5595
5596 vfprintf (stderr, format, ap);
5597 fprintf (stderr, "\n");
5598 if (line_number > 0)
5599 fprintf (stderr, "line:\t%s\n", cur_line_start);
5600
5601 had_errors++;
5602 VA_CLOSE (ap);
5603
5604 saber_stop ();
5605 }
5606
5607 /* More 'friendly' abort that prints the line and file.
5608 config.h can #define abort fancy_abort if you like that sort of thing. */
5609
5610 void
5611 fancy_abort ()
5612 {
5613 fatal ("internal abort");
5614 }
5615 \f
5616
5617 /* When `malloc.c' is compiled with `rcheck' defined,
5618 it calls this function to report clobberage. */
5619
5620 void
5621 botch (s)
5622 const char *s;
5623 {
5624 fatal ("%s", s);
5625 }
Mirror of the offical gcc git repository hosted at gcc.gnu.org