1 /* ECOFF debugging support.
2 Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
3 Free Software Foundation, Inc.
4 Contributed by Cygnus Support.
5 This file was put together by Ian Lance Taylor <ian@cygnus.com>. A
6 good deal of it comes directly from mips-tfile.c, by Michael
7 Meissner <meissner@osf.org>.
9 This file is part of GAS.
11 GAS is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2, or (at your option)
16 GAS is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with GAS; see the file COPYING. If not, write to the Free
23 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
28 /* This file is compiled conditionally for those targets which use
29 ECOFF debugging information (e.g., MIPS ECOFF, MIPS ELF, Alpha
34 #ifdef ECOFF_DEBUGGING
36 #include "coff/internal.h"
37 #include "coff/symconst.h"
38 #include "aout/stab_gnu.h"
40 #include "safe-ctype.h"
42 /* Why isn't this in coff/sym.h? */
43 #define ST_RFDESCAPE 0xfff
45 /* This file constructs the information used by the ECOFF debugging
46 format. It just builds a large block of data.
48 We support both ECOFF style debugging and stabs debugging (the
49 stabs symbols are encapsulated in ECOFF symbols). This should let
50 us handle anything the compiler might throw at us. */
52 /* Here is a brief description of the MIPS ECOFF symbol table, by
53 Michael Meissner. The MIPS symbol table has the following pieces:
59 +-- Dense number table
67 +-- Relative file descriptors
79 The symbolic header points to each of the other tables, and also
80 contains the number of entries. It also contains a magic number
81 and MIPS compiler version number, such as 2.0.
83 The auxiliary table is a series of 32 bit integers, that are
84 referenced as needed from the local symbol table. Unlike standard
85 COFF, the aux. information does not follow the symbol that uses
86 it, but rather is a separate table. In theory, this would allow
87 the MIPS compilers to collapse duplicate aux. entries, but I've not
88 noticed this happening with the 1.31 compiler suite. The different
89 types of aux. entries are:
91 1) dnLow: Low bound on array dimension.
93 2) dnHigh: High bound on array dimension.
95 3) isym: Index to the local symbol which is the start of the
96 function for the end of function first aux. entry.
98 4) width: Width of structures and bitfields.
100 5) count: Count of ranges for variant part.
102 6) rndx: A relative index into the symbol table. The relative
103 index field has two parts: rfd which is a pointer into the
104 relative file index table or ST_RFDESCAPE which says the next
105 aux. entry is the file number, and index: which is the pointer
106 into the local symbol within a given file table. This is for
107 things like references to types defined in another file.
109 7) Type information: This is like the COFF type bits, except it
110 is 32 bits instead of 16; they still have room to add new
111 basic types; and they can handle more than 6 levels of array,
112 pointer, function, etc. Each type information field contains
113 the following structure members:
115 a) fBitfield: a bit that says this is a bitfield, and the
116 size in bits follows as the next aux. entry.
118 b) continued: a bit that says the next aux. entry is a
119 continuation of the current type information (in case
120 there are more than 6 levels of array/ptr/function).
122 c) bt: an integer containing the base type before adding
123 array, pointer, function, etc. qualifiers. The
124 current base types that I have documentation for are:
127 btAdr -- address - integer same size as ptr
129 btUChar -- unsigned character
131 btUShort -- unsigned short
133 btUInt -- unsigned int
135 btULong -- unsigned long
136 btFloat -- float (real)
137 btDouble -- Double (real)
138 btStruct -- Structure (Record)
139 btUnion -- Union (variant)
141 btTypedef -- defined via a typedef isymRef
142 btRange -- subrange of int
144 btComplex -- fortran complex
145 btDComplex -- fortran double complex
146 btIndirect -- forward or unnamed typedef
147 btFixedDec -- Fixed Decimal
148 btFloatDec -- Float Decimal
149 btString -- Varying Length Character String
150 btBit -- Aligned Bit String
152 btVoid -- Void (MIPS cc revision >= 2.00)
154 d) tq0 - tq5: type qualifier fields as needed. The
155 current type qualifier fields I have documentation for
158 tqNil -- no more qualifiers
162 tqFar -- 8086 far pointers
165 The dense number table is used in the front ends, and disappears by
166 the time the .o is created.
168 With the 1.31 compiler suite, the optimization symbols don't seem
169 to be used as far as I can tell.
171 The linker is the first entity that creates the relative file
172 descriptor table, and I believe it is used so that the individual
173 file table pointers don't have to be rewritten when the objects are
174 merged together into the program file.
176 Unlike COFF, the basic symbol & string tables are split into
177 external and local symbols/strings. The relocation information
178 only goes off of the external symbol table, and the debug
179 information only goes off of the internal symbol table. The
180 external symbols can have links to an appropriate file index and
181 symbol within the file to give it the appropriate type information.
182 Because of this, the external symbols are actually larger than the
183 internal symbols (to contain the link information), and contain the
184 local symbol structure as a member, though this member is not the
185 first member of the external symbol structure (!). I suspect this
186 split is to make strip easier to deal with.
188 Each file table has offsets for where the line numbers, local
189 strings, local symbols, and procedure table starts from within the
190 global tables, and the indexs are reset to 0 for each of those
193 The procedure table contains the binary equivalents of the .ent
194 (start of the function address), .frame (what register is the
195 virtual frame pointer, constant offset from the register to obtain
196 the VFP, and what register holds the return address), .mask/.fmask
197 (bitmask of saved registers, and where the first register is stored
198 relative to the VFP) assembler directives. It also contains the
199 low and high bounds of the line numbers if debugging is turned on.
201 The line number table is a compressed form of the normal COFF line
202 table. Each line number entry is either 1 or 3 bytes long, and
203 contains a signed delta from the previous line, and an unsigned
204 count of the number of instructions this statement takes.
206 The local symbol table contains the following fields:
208 1) iss: index to the local string table giving the name of the
211 2) value: value of the symbol (address, register number, etc.).
213 3) st: symbol type. The current symbol types are:
215 stNil -- Nuthin' special
216 stGlobal -- external symbol
218 stParam -- procedure argument
219 stLocal -- local variable
221 stProc -- External Procedure
222 stBlock -- beginning of block
223 stEnd -- end (of anything)
224 stMember -- member (of anything)
225 stTypedef -- type definition
227 stRegReloc -- register relocation
228 stForward -- forwarding address
229 stStaticProc -- Static procedure
232 4) sc: storage class. The current storage classes are:
234 scText -- text symbol
235 scData -- initialized data symbol
236 scBss -- un-initialized data symbol
237 scRegister -- value of symbol is register number
238 scAbs -- value of symbol is absolute
239 scUndefined -- who knows?
240 scCdbLocal -- variable's value is IN se->va.??
241 scBits -- this is a bit field
242 scCdbSystem -- value is IN debugger's address space
243 scRegImage -- register value saved on stack
244 scInfo -- symbol contains debugger information
245 scUserStruct -- addr in struct user for current process
246 scSData -- load time only small data
247 scSBss -- load time only small common
248 scRData -- load time only read only data
249 scVar -- Var parameter (fortranpascal)
250 scCommon -- common variable
251 scSCommon -- small common
252 scVarRegister -- Var parameter in a register
253 scVariant -- Variant record
254 scSUndefined -- small undefined(external) data
255 scInit -- .init section symbol
257 5) index: pointer to a local symbol or aux. entry.
259 For the following program:
264 printf("Hello World!\n");
268 Mips-tdump produces the following information:
273 timestamp 645311799, Wed Jun 13 17:16:39 1990
274 symbolic header offset 284
275 symbolic header size 96
279 Symbolic header, magic number = 0x7009, vstamp = 1.31:
281 Info Offset Number Bytes
282 ==== ====== ====== =====
284 Line numbers 380 4 4 [13]
286 Procedures Tables 384 1 52
287 Local Symbols 436 16 192
288 Optimization Symbols 0 0 0
289 Auxiliary Symbols 628 39 156
290 Local Strings 784 80 80
291 External Strings 864 144 144
292 File Tables 1008 2 144
294 External Symbols 1152 20 320
298 Name index = 1 Readin = No
299 Merge = No Endian = LITTLE
300 Debug level = G2 Language = C
303 Info Start Number Size Offset
304 ==== ===== ====== ==== ======
305 Local strings 0 15 15 784
306 Local symbols 0 6 72 436
307 Line numbers 0 13 13 380
308 Optimization symbols 0 0 0 0
309 Procedures 0 1 52 384
310 Auxiliary symbols 0 14 56 628
311 Relative Files 0 0 0 0
313 There are 6 local symbols, starting at 436
315 Symbol# 0: "hello2.c"
318 Storage class = Text Index = 6
319 Symbol type = File Value = 0
325 Storage class = Text Index = 12
326 Symbol type = Proc Value = 0
331 Storage class = Text Index = 4
332 Symbol type = Block Value = 8
337 Storage class = Text Index = 2
338 Symbol type = End Value = 28
343 Storage class = Text Index = 1
344 Symbol type = End Value = 52
346 Symbol# 5: "hello2.c"
349 Storage class = Text Index = 0
350 Symbol type = End Value = 0
352 There are 14 auxiliary table entries, starting at 628.
354 * #0 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
355 * #1 24, [ 24/ 0], [ 6 0:0 0:0:0:0:0:0]
356 * #2 8, [ 8/ 0], [ 2 0:0 0:0:0:0:0:0]
357 * #3 16, [ 16/ 0], [ 4 0:0 0:0:0:0:0:0]
358 * #4 24, [ 24/ 0], [ 6 0:0 0:0:0:0:0:0]
359 * #5 32, [ 32/ 0], [ 8 0:0 0:0:0:0:0:0]
360 * #6 40, [ 40/ 0], [10 0:0 0:0:0:0:0:0]
361 * #7 44, [ 44/ 0], [11 0:0 0:0:0:0:0:0]
362 * #8 12, [ 12/ 0], [ 3 0:0 0:0:0:0:0:0]
363 * #9 20, [ 20/ 0], [ 5 0:0 0:0:0:0:0:0]
364 * #10 28, [ 28/ 0], [ 7 0:0 0:0:0:0:0:0]
365 * #11 36, [ 36/ 0], [ 9 0:0 0:0:0:0:0:0]
366 #12 5, [ 5/ 0], [ 1 1:0 0:0:0:0:0:0]
367 #13 24, [ 24/ 0], [ 6 0:0 0:0:0:0:0:0]
369 There are 1 procedure descriptor entries, starting at 0.
371 Procedure descriptor 0:
372 Name index = 10 Name = "main"
373 .mask 0x80000000,-4 .fmask 0x00000000,0
375 Opt. start = -1 Symbols start = 1
376 First line # = 3 Last line # = 6
377 Line Offset = 0 Address = 0x00000000
379 There are 4 bytes holding line numbers, starting at 380.
380 Line 3, delta 0, count 2
381 Line 4, delta 1, count 3
382 Line 5, delta 1, count 2
383 Line 6, delta 1, count 6
385 File #1, "/usr/include/stdio.h"
387 Name index = 1 Readin = No
388 Merge = Yes Endian = LITTLE
389 Debug level = G2 Language = C
392 Info Start Number Size Offset
393 ==== ===== ====== ==== ======
394 Local strings 15 65 65 799
395 Local symbols 6 10 120 508
396 Line numbers 0 0 0 380
397 Optimization symbols 0 0 0 0
399 Auxiliary symbols 14 25 100 684
400 Relative Files 0 0 0 0
402 There are 10 local symbols, starting at 442
404 Symbol# 0: "/usr/include/stdio.h"
407 Storage class = Text Index = 10
408 Symbol type = File Value = 0
413 Storage class = Info Index = 9
414 Symbol type = Block Value = 20
419 Storage class = Info Index = 4
420 Symbol type = Member Value = 0
425 Storage class = Info Index = 15
426 Symbol type = Member Value = 32
431 Storage class = Info Index = 16
432 Symbol type = Member Value = 64
437 Storage class = Info Index = 4
438 Symbol type = Member Value = 96
443 Storage class = Info Index = 3
444 Symbol type = Member Value = 128
449 Storage class = Info Index = 2
450 Symbol type = Member Value = 144
455 Storage class = Info Index = 1
456 Symbol type = End Value = 0
458 Symbol# 9: "/usr/include/stdio.h"
461 Storage class = Text Index = 0
462 Symbol type = End Value = 0
464 There are 25 auxiliary table entries, starting at 642.
466 * #14 -1, [4095/1048575], [63 1:1 f:f:f:f:f:f]
467 #15 65544, [ 8/ 16], [ 2 0:0 1:0:0:0:0:0]
468 #16 65544, [ 8/ 16], [ 2 0:0 1:0:0:0:0:0]
469 * #17 196656, [ 48/ 48], [12 0:0 3:0:0:0:0:0]
470 * #18 8191, [4095/ 1], [63 1:1 0:0:0:0:f:1]
471 * #19 1, [ 1/ 0], [ 0 1:0 0:0:0:0:0:0]
472 * #20 20479, [4095/ 4], [63 1:1 0:0:0:0:f:4]
473 * #21 1, [ 1/ 0], [ 0 1:0 0:0:0:0:0:0]
474 * #22 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
475 * #23 2, [ 2/ 0], [ 0 0:1 0:0:0:0:0:0]
476 * #24 160, [ 160/ 0], [40 0:0 0:0:0:0:0:0]
477 * #25 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
478 * #26 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
479 * #27 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
480 * #28 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
481 * #29 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
482 * #30 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
483 * #31 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
484 * #32 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
485 * #33 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
486 * #34 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
487 * #35 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
488 * #36 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
489 * #37 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
490 * #38 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
492 There are 0 procedure descriptor entries, starting at 1.
494 There are 20 external symbols, starting at 1152
497 Type = array [3 {160}] of struct _iobuf { ifd = 1, index = 1 }
498 String index = 0 Ifd = 1
499 Storage class = Nil Index = 17
500 Symbol type = Global Value = 60
503 String index = 5 Ifd = 1
504 Storage class = Nil Index = 1048575
505 Symbol type = Proc Value = 0
508 String index = 11 Ifd = 1
509 Storage class = Nil Index = 1048575
510 Symbol type = Proc Value = 0
513 String index = 18 Ifd = 1
514 Storage class = Nil Index = 1048575
515 Symbol type = Proc Value = 0
518 String index = 26 Ifd = 1
519 Storage class = Nil Index = 1048575
520 Symbol type = Proc Value = 0
523 String index = 32 Ifd = 1
524 Storage class = Nil Index = 1048575
525 Symbol type = Proc Value = 0
528 String index = 40 Ifd = 1
529 Storage class = Nil Index = 1048575
530 Symbol type = Proc Value = 0
533 String index = 46 Ifd = 1
534 Storage class = Nil Index = 1048575
535 Symbol type = Proc Value = 0
538 String index = 53 Ifd = 1
539 Storage class = Nil Index = 1048575
540 Symbol type = Proc Value = 0
542 Symbol# 9: "setbuffer"
543 String index = 60 Ifd = 1
544 Storage class = Nil Index = 1048575
545 Symbol type = Proc Value = 0
547 Symbol# 10: "setlinebuf"
548 String index = 70 Ifd = 1
549 Storage class = Nil Index = 1048575
550 Symbol type = Proc Value = 0
553 String index = 81 Ifd = 1
554 Storage class = Nil Index = 1048575
555 Symbol type = Proc Value = 0
558 String index = 87 Ifd = 1
559 Storage class = Nil Index = 1048575
560 Symbol type = Proc Value = 0
562 Symbol# 13: "ctermid"
563 String index = 92 Ifd = 1
564 Storage class = Nil Index = 1048575
565 Symbol type = Proc Value = 0
567 Symbol# 14: "cuserid"
568 String index = 100 Ifd = 1
569 Storage class = Nil Index = 1048575
570 Symbol type = Proc Value = 0
572 Symbol# 15: "tempnam"
573 String index = 108 Ifd = 1
574 Storage class = Nil Index = 1048575
575 Symbol type = Proc Value = 0
578 String index = 116 Ifd = 1
579 Storage class = Nil Index = 1048575
580 Symbol type = Proc Value = 0
582 Symbol# 17: "sprintf"
583 String index = 123 Ifd = 1
584 Storage class = Nil Index = 1048575
585 Symbol type = Proc Value = 0
589 String index = 131 Ifd = 0
590 Storage class = Text Index = 1
591 Symbol type = Proc Value = 0
594 String index = 136 Ifd = 0
595 Storage class = Undefined Index = 1048575
596 Symbol type = Proc Value = 0
598 The following auxiliary table entries were unused:
602 #3 16 0x00000010 short
604 #5 32 0x00000020 long
605 #6 40 0x00000028 float
606 #7 44 0x0000002c double
607 #8 12 0x0000000c unsigned char
608 #9 20 0x00000014 unsigned short
609 #10 28 0x0000001c unsigned int
610 #11 36 0x00000024 unsigned long
611 #14 0 0x00000000 void
612 #15 24 0x00000018 int
613 #19 32 0x00000020 long
614 #20 40 0x00000028 float
615 #21 44 0x0000002c double
616 #22 12 0x0000000c unsigned char
617 #23 20 0x00000014 unsigned short
618 #24 28 0x0000001c unsigned int
619 #25 36 0x00000024 unsigned long
620 #26 48 0x00000030 struct no name { ifd = -1, index = 1048575 }
623 /* Redefinition of of storage classes as an enumeration for better
627 sc_Nil = scNil, /* no storage class */
628 sc_Text = scText, /* text symbol */
629 sc_Data = scData, /* initialized data symbol */
630 sc_Bss = scBss, /* un-initialized data symbol */
631 sc_Register = scRegister, /* value of symbol is register number */
632 sc_Abs = scAbs, /* value of symbol is absolute */
633 sc_Undefined = scUndefined, /* who knows? */
634 sc_CdbLocal = scCdbLocal, /* variable's value is IN se->va.?? */
635 sc_Bits = scBits, /* this is a bit field */
636 sc_CdbSystem = scCdbSystem, /* value is IN CDB's address space */
637 sc_RegImage = scRegImage, /* register value saved on stack */
638 sc_Info = scInfo, /* symbol contains debugger information */
639 sc_UserStruct = scUserStruct, /* addr in struct user for current process */
640 sc_SData = scSData, /* load time only small data */
641 sc_SBss = scSBss, /* load time only small common */
642 sc_RData = scRData, /* load time only read only data */
643 sc_Var = scVar, /* Var parameter (fortran,pascal) */
644 sc_Common = scCommon, /* common variable */
645 sc_SCommon = scSCommon, /* small common */
646 sc_VarRegister = scVarRegister, /* Var parameter in a register */
647 sc_Variant = scVariant, /* Variant record */
648 sc_SUndefined = scSUndefined, /* small undefined(external) data */
649 sc_Init = scInit, /* .init section symbol */
650 sc_Max = scMax /* Max storage class+1 */
653 /* Redefinition of symbol type. */
656 st_Nil = stNil, /* Nuthin' special */
657 st_Global = stGlobal, /* external symbol */
658 st_Static = stStatic, /* static */
659 st_Param = stParam, /* procedure argument */
660 st_Local = stLocal, /* local variable */
661 st_Label = stLabel, /* label */
662 st_Proc = stProc, /* " " Procedure */
663 st_Block = stBlock, /* beginning of block */
664 st_End = stEnd, /* end (of anything) */
665 st_Member = stMember, /* member (of anything - struct/union/enum */
666 st_Typedef = stTypedef, /* type definition */
667 st_File = stFile, /* file name */
668 st_RegReloc = stRegReloc, /* register relocation */
669 st_Forward = stForward, /* forwarding address */
670 st_StaticProc = stStaticProc, /* load time only static procs */
671 st_Constant = stConstant, /* const */
672 st_Str = stStr, /* string */
673 st_Number = stNumber, /* pure number (ie. 4 NOR 2+2) */
674 st_Expr = stExpr, /* 2+2 vs. 4 */
675 st_Type = stType, /* post-coercion SER */
676 st_Max = stMax /* max type+1 */
679 /* Redefinition of type qualifiers. */
682 tq_Nil = tqNil, /* bt is what you see */
683 tq_Ptr = tqPtr, /* pointer */
684 tq_Proc = tqProc, /* procedure */
685 tq_Array = tqArray, /* duh */
686 tq_Far = tqFar, /* longer addressing - 8086/8 land */
687 tq_Vol = tqVol, /* volatile */
688 tq_Max = tqMax /* Max type qualifier+1 */
691 /* Redefinition of basic types. */
694 bt_Nil = btNil, /* undefined */
695 bt_Adr = btAdr, /* address - integer same size as pointer */
696 bt_Char = btChar, /* character */
697 bt_UChar = btUChar, /* unsigned character */
698 bt_Short = btShort, /* short */
699 bt_UShort = btUShort, /* unsigned short */
700 bt_Int = btInt, /* int */
701 bt_UInt = btUInt, /* unsigned int */
702 bt_Long = btLong, /* long */
703 bt_ULong = btULong, /* unsigned long */
704 bt_Float = btFloat, /* float (real) */
705 bt_Double = btDouble, /* Double (real) */
706 bt_Struct = btStruct, /* Structure (Record) */
707 bt_Union = btUnion, /* Union (variant) */
708 bt_Enum = btEnum, /* Enumerated */
709 bt_Typedef = btTypedef, /* defined via a typedef, isymRef points */
710 bt_Range = btRange, /* subrange of int */
711 bt_Set = btSet, /* pascal sets */
712 bt_Complex = btComplex, /* fortran complex */
713 bt_DComplex = btDComplex, /* fortran double complex */
714 bt_Indirect = btIndirect, /* forward or unnamed typedef */
715 bt_FixedDec = btFixedDec, /* Fixed Decimal */
716 bt_FloatDec = btFloatDec, /* Float Decimal */
717 bt_String = btString, /* Varying Length Character String */
718 bt_Bit = btBit, /* Aligned Bit String */
719 bt_Picture = btPicture, /* Picture */
720 bt_Void = btVoid, /* Void */
721 bt_Max = btMax /* Max basic type+1 */
726 /* States for whether to hash type or not. */
727 typedef enum hash_state {
728 hash_no = 0, /* Don't hash type */
729 hash_yes = 1, /* OK to hash type, or use previous hash */
730 hash_record = 2 /* OK to record hash, but don't use prev. */
733 /* Types of different sized allocation requests. */
735 alloc_type_none, /* dummy value */
736 alloc_type_scope, /* nested scopes linked list */
737 alloc_type_vlinks, /* glue linking pages in varray */
738 alloc_type_shash, /* string hash element */
739 alloc_type_thash, /* type hash element */
740 alloc_type_tag, /* struct/union/tag element */
741 alloc_type_forward, /* element to hold unknown tag */
742 alloc_type_thead, /* head of type hash list */
743 alloc_type_varray, /* general varray allocation */
744 alloc_type_lineno, /* line number list */
745 alloc_type_last /* last+1 element for array bounds */
748 /* Types of auxiliary type information. */
750 aux_tir, /* TIR type information */
751 aux_rndx, /* relative index into symbol table */
752 aux_dnLow, /* low dimension */
753 aux_dnHigh, /* high dimension */
754 aux_isym, /* symbol table index (end of proc) */
755 aux_iss, /* index into string space (not used) */
756 aux_width, /* width for non-default sized struc fields */
757 aux_count /* count of ranges for variant arm */
760 /* Structures to provide n-number of virtual arrays, each of which can
761 grow linearly, and which are written in the object file as
762 sequential pages. On systems with a BSD malloc, the
763 MAX_CLUSTER_PAGES should be 1 less than a power of two, since
764 malloc adds it's overhead, and rounds up to the next power of 2.
765 Pages are linked together via a linked list.
767 If PAGE_SIZE is > 4096, the string length in the shash_t structure
768 can't be represented (assuming there are strings > 4096 bytes). */
770 /* FIXME: Yes, there can be such strings while emitting C++ class debug
771 info. Templates are the offender here, the test case in question
772 having a mangled class name of
774 t7rb_tree4Z4xkeyZt4pair2ZC4xkeyZt7xsocket1Z4UserZt9select1st2Zt4pair\
775 2ZC4xkeyZt7xsocket1Z4UserZ4xkeyZt4less1Z4xkey
777 Repeat that a couple dozen times while listing the class members and
778 you've got strings over 4k. Hack around this for now by increasing
779 the page size. A proper solution would abandon this structure scheme
780 certainly for very large strings, and possibly entirely. */
783 #define PAGE_SIZE (8*1024) /* size of varray pages */
786 #define PAGE_USIZE ((unsigned long) PAGE_SIZE)
788 #ifndef MAX_CLUSTER_PAGES /* # pages to get from system */
789 #define MAX_CLUSTER_PAGES 63
792 /* Linked list connecting separate page allocations. */
793 typedef struct vlinks {
794 struct vlinks *prev; /* previous set of pages */
795 struct vlinks *next; /* next set of pages */
796 union page *datum; /* start of page */
797 unsigned long start_index; /* starting index # of page */
800 /* Virtual array header. */
801 typedef struct varray {
802 vlinks_t *first; /* first page link */
803 vlinks_t *last; /* last page link */
804 unsigned long num_allocated; /* # objects allocated */
805 unsigned short object_size; /* size in bytes of each object */
806 unsigned short objects_per_page; /* # objects that can fit on a page */
807 unsigned short objects_last_page; /* # objects allocated on last page */
811 #define OBJECTS_PER_PAGE(type) (PAGE_SIZE / sizeof (type))
813 #define OBJECTS_PER_PAGE(type) ((sizeof (type) > 1) ? 1 : PAGE_SIZE)
816 #define INIT_VARRAY(type) { /* macro to initialize a varray */ \
817 (vlinks_t *)0, /* first */ \
818 (vlinks_t *)0, /* last */ \
819 0, /* num_allocated */ \
820 sizeof (type), /* object_size */ \
821 OBJECTS_PER_PAGE (type), /* objects_per_page */ \
822 OBJECTS_PER_PAGE (type), /* objects_last_page */ \
825 /* Master type for indexes within the symbol table. */
826 typedef unsigned long symint_t;
828 /* Linked list support for nested scopes (file, block, structure, etc.). */
829 typedef struct scope {
830 struct scope *prev; /* previous scope level */
831 struct scope *free; /* free list pointer */
832 struct localsym *lsym; /* pointer to local symbol node */
833 st_t type; /* type of the node */
836 /* For a local symbol we store a gas symbol as well as the debugging
837 information we generate. The gas symbol will be NULL if this is
838 only a debugging symbol. */
839 typedef struct localsym {
840 const char *name; /* symbol name */
841 symbolS *as_sym; /* symbol as seen by gas */
842 bfd_vma addend; /* addend to as_sym value */
843 struct efdr *file_ptr; /* file pointer */
844 struct ecoff_proc *proc_ptr; /* proc pointer */
845 struct localsym *begin_ptr; /* symbol at start of block */
846 struct ecoff_aux *index_ptr; /* index value to be filled in */
847 struct forward *forward_ref; /* forward references to this symbol */
848 long sym_index; /* final symbol index */
849 EXTR ecoff_sym; /* ECOFF debugging symbol */
852 /* For aux information we keep the type and the data. */
853 typedef struct ecoff_aux {
854 enum aux_type type; /* aux type */
855 AUXU data; /* aux data */
858 /* For a procedure we store the gas symbol as well as the PDR
859 debugging information. */
860 typedef struct ecoff_proc {
861 localsym_t *sym; /* associated symbol */
862 PDR pdr; /* ECOFF debugging info */
865 /* Number of proc_t structures allocated. */
866 static unsigned long proc_cnt;
868 /* Forward reference list for tags referenced, but not yet defined. */
869 typedef struct forward {
870 struct forward *next; /* next forward reference */
871 struct forward *free; /* free list pointer */
872 aux_t *ifd_ptr; /* pointer to store file index */
873 aux_t *index_ptr; /* pointer to store symbol index */
876 /* Linked list support for tags. The first tag in the list is always
877 the current tag for that block. */
879 struct tag *free; /* free list pointer */
880 struct shash *hash_ptr; /* pointer to the hash table head */
881 struct tag *same_name; /* tag with same name in outer scope */
882 struct tag *same_block; /* next tag defined in the same block. */
883 struct forward *forward_ref; /* list of forward references */
884 bt_t basic_type; /* bt_Struct, bt_Union, or bt_Enum */
885 symint_t ifd; /* file # tag defined in */
886 localsym_t *sym; /* file's local symbols */
889 /* Head of a block's linked list of tags. */
890 typedef struct thead {
891 struct thead *prev; /* previous block */
892 struct thead *free; /* free list pointer */
893 struct tag *first_tag; /* first tag in block defined */
896 /* Union containing pointers to each the small structures which are freed up. */
897 typedef union small_free {
898 scope_t *f_scope; /* scope structure */
899 thead_t *f_thead; /* tag head structure */
900 tag_t *f_tag; /* tag element structure */
901 forward_t *f_forward; /* forward tag reference */
904 /* String hash table entry. */
906 typedef struct shash {
907 char *string; /* string we are hashing */
908 symint_t indx; /* index within string table */
909 EXTR *esym_ptr; /* global symbol pointer */
910 localsym_t *sym_ptr; /* local symbol pointer */
911 localsym_t *end_ptr; /* symbol pointer to end block */
912 tag_t *tag_ptr; /* tag pointer */
913 proc_t *proc_ptr; /* procedure descriptor pointer */
916 /* Type hash table support. The size of the hash table must fit
917 within a page with the other extended file descriptor information.
918 Because unique types which are hashed are fewer in number than
919 strings, we use a smaller hash value. */
924 #define THASH_SIZE 113
927 typedef struct thash {
928 struct thash *next; /* next hash value */
929 AUXU type; /* type we are hashing */
930 symint_t indx; /* index within string table */
933 /* Extended file descriptor that contains all of the support necessary
934 to add things to each file separately. */
935 typedef struct efdr {
936 FDR fdr; /* File header to be written out */
937 FDR *orig_fdr; /* original file header */
938 char *name; /* filename */
939 int fake; /* whether this is faked .file */
940 symint_t void_type; /* aux. pointer to 'void' type */
941 symint_t int_type; /* aux. pointer to 'int' type */
942 scope_t *cur_scope; /* current nested scopes */
943 symint_t file_index; /* current file number */
944 int nested_scopes; /* # nested scopes */
945 varray_t strings; /* local strings */
946 varray_t symbols; /* local symbols */
947 varray_t procs; /* procedures */
948 varray_t aux_syms; /* auxiliary symbols */
949 struct efdr *next_file; /* next file descriptor */
950 /* string/type hash tables */
951 struct hash_control *str_hash; /* string hash table */
952 thash_t *thash_head[THASH_SIZE];
955 /* Pre-initialized extended file structure. */
956 static const efdr_t init_file = {
957 { /* FDR structure */
958 0, /* adr: memory address of beginning of file */
959 0, /* rss: file name (of source, if known) */
960 0, /* issBase: file's string space */
961 0, /* cbSs: number of bytes in the ss */
962 0, /* isymBase: beginning of symbols */
963 0, /* csym: count file's of symbols */
964 0, /* ilineBase: file's line symbols */
965 0, /* cline: count of file's line symbols */
966 0, /* ioptBase: file's optimization entries */
967 0, /* copt: count of file's optimization entries */
968 0, /* ipdFirst: start of procedures for this file */
969 0, /* cpd: count of procedures for this file */
970 0, /* iauxBase: file's auxiliary entries */
971 0, /* caux: count of file's auxiliary entries */
972 0, /* rfdBase: index into the file indirect table */
973 0, /* crfd: count file indirect entries */
974 langC, /* lang: language for this file */
975 1, /* fMerge: whether this file can be merged */
976 0, /* fReadin: true if read in (not just created) */
977 TARGET_BYTES_BIG_ENDIAN, /* fBigendian: if 1, compiled on big endian machine */
978 GLEVEL_2, /* glevel: level this file was compiled with */
979 0, /* reserved: reserved for future use */
980 0, /* cbLineOffset: byte offset from header for this file ln's */
981 0, /* cbLine: size of lines for this file */
984 (FDR *)0, /* orig_fdr: original file header pointer */
985 (char *)0, /* name: pointer to filename */
986 0, /* fake: whether this is a faked .file */
987 0, /* void_type: ptr to aux node for void type */
988 0, /* int_type: ptr to aux node for int type */
989 (scope_t *)0, /* cur_scope: current scope being processed */
990 0, /* file_index: current file # */
991 0, /* nested_scopes: # nested scopes */
992 INIT_VARRAY (char), /* strings: local string varray */
993 INIT_VARRAY (localsym_t), /* symbols: local symbols varray */
994 INIT_VARRAY (proc_t), /* procs: procedure varray */
995 INIT_VARRAY (aux_t), /* aux_syms: auxiliary symbols varray */
997 (struct efdr *)0, /* next_file: next file structure */
999 (struct hash_control *)0, /* str_hash: string hash table */
1000 { 0 }, /* thash_head: type hash table */
1003 static efdr_t *first_file; /* first file descriptor */
1004 static efdr_t **last_file_ptr = &first_file; /* file descriptor tail */
1006 /* Line number information is kept in a list until the assembly is
1008 typedef struct lineno_list {
1009 struct lineno_list *next; /* next element in list */
1010 efdr_t *file; /* file this line is in */
1011 proc_t *proc; /* procedure this line is in */
1012 fragS *frag; /* fragment this line number is in */
1013 unsigned long paddr; /* offset within fragment */
1014 long lineno; /* actual line number */
1017 static lineno_list_t *first_lineno;
1018 static lineno_list_t *last_lineno;
1019 static lineno_list_t **last_lineno_ptr = &first_lineno;
1021 /* Sometimes there will be some .loc statements before a .ent. We
1022 keep them in this list so that we can fill in the procedure pointer
1023 after we see the .ent. */
1024 static lineno_list_t *noproc_lineno;
1026 /* Union of various things that are held in pages. */
1027 typedef union page {
1028 char byte [ PAGE_SIZE ];
1029 unsigned char ubyte [ PAGE_SIZE ];
1030 efdr_t file [ PAGE_SIZE / sizeof (efdr_t) ];
1031 FDR ofile [ PAGE_SIZE / sizeof (FDR) ];
1032 proc_t proc [ PAGE_SIZE / sizeof (proc_t) ];
1033 localsym_t sym [ PAGE_SIZE / sizeof (localsym_t) ];
1034 aux_t aux [ PAGE_SIZE / sizeof (aux_t) ];
1035 DNR dense [ PAGE_SIZE / sizeof (DNR) ];
1036 scope_t scope [ PAGE_SIZE / sizeof (scope_t) ];
1037 vlinks_t vlinks [ PAGE_SIZE / sizeof (vlinks_t) ];
1038 shash_t shash [ PAGE_SIZE / sizeof (shash_t) ];
1039 thash_t thash [ PAGE_SIZE / sizeof (thash_t) ];
1040 tag_t tag [ PAGE_SIZE / sizeof (tag_t) ];
1041 forward_t forward [ PAGE_SIZE / sizeof (forward_t) ];
1042 thead_t thead [ PAGE_SIZE / sizeof (thead_t) ];
1043 lineno_list_t lineno [ PAGE_SIZE / sizeof (lineno_list_t) ];
1046 /* Structure holding allocation information for small sized structures. */
1047 typedef struct alloc_info {
1048 char *alloc_name; /* name of this allocation type (must be first) */
1049 page_type *cur_page; /* current page being allocated from */
1050 small_free_t free_list; /* current free list if any */
1051 int unallocated; /* number of elements unallocated on page */
1052 int total_alloc; /* total number of allocations */
1053 int total_free; /* total number of frees */
1054 int total_pages; /* total number of pages allocated */
1057 /* Type information collected together. */
1058 typedef struct type_info {
1059 bt_t basic_type; /* basic type */
1060 int orig_type; /* original COFF-based type */
1061 int num_tq; /* # type qualifiers */
1062 int num_dims; /* # dimensions */
1063 int num_sizes; /* # sizes */
1064 int extra_sizes; /* # extra sizes not tied with dims */
1065 tag_t * tag_ptr; /* tag pointer */
1066 int bitfield; /* symbol is a bitfield */
1067 tq_t type_qualifiers[N_TQ]; /* type qualifiers (ptr, func, array)*/
1068 symint_t dimensions [N_TQ]; /* dimensions for each array */
1069 symint_t sizes [N_TQ+2]; /* sizes of each array slice + size of
1070 struct/union/enum + bitfield size */
1073 /* Pre-initialized type_info struct. */
1074 static const type_info_t type_info_init = {
1075 bt_Nil, /* basic type */
1076 T_NULL, /* original COFF-based type */
1077 0, /* # type qualifiers */
1078 0, /* # dimensions */
1080 0, /* sizes not tied with dims */
1081 NULL, /* ptr to tag */
1083 { /* type qualifiers */
1111 /* Global hash table for the tags table and global table for file
1114 static varray_t file_desc = INIT_VARRAY (efdr_t);
1116 static struct hash_control *tag_hash;
1118 /* Static types for int and void. Also, remember the last function's
1119 type (which is set up when we encounter the declaration for the
1120 function, and used when the end block for the function is emitted. */
1122 static type_info_t int_type_info;
1123 static type_info_t void_type_info;
1124 static type_info_t last_func_type_info;
1125 static symbolS *last_func_sym_value;
1127 /* Convert COFF basic type to ECOFF basic type. The T_NULL type
1128 really should use bt_Void, but this causes the current ecoff GDB to
1129 issue unsupported type messages, and the Ultrix 4.00 dbx (aka MIPS
1130 2.0) doesn't understand it, even though the compiler generates it.
1131 Maybe this will be fixed in 2.10 or 2.20 of the MIPS compiler
1132 suite, but for now go with what works.
1134 It would make sense for the .type and .scl directives to use the
1135 ECOFF numbers directly, rather than using the COFF numbers and
1136 mapping them. Unfortunately, this is historically what mips-tfile
1137 expects, and changing gcc now would be a considerable pain (the
1138 native compiler generates debugging information internally, rather
1139 than via the assembler, so it will never use .type or .scl). */
1141 static const bt_t map_coff_types[] = {
1142 bt_Nil, /* T_NULL */
1144 bt_Char, /* T_CHAR */
1145 bt_Short, /* T_SHORT */
1147 bt_Long, /* T_LONG */
1148 bt_Float, /* T_FLOAT */
1149 bt_Double, /* T_DOUBLE */
1150 bt_Struct, /* T_STRUCT */
1151 bt_Union, /* T_UNION */
1152 bt_Enum, /* T_ENUM */
1153 bt_Enum, /* T_MOE */
1154 bt_UChar, /* T_UCHAR */
1155 bt_UShort, /* T_USHORT */
1156 bt_UInt, /* T_UINT */
1157 bt_ULong /* T_ULONG */
1160 /* Convert COFF storage class to ECOFF storage class. */
1161 static const sc_t map_coff_storage[] = {
1162 sc_Nil, /* 0: C_NULL */
1163 sc_Abs, /* 1: C_AUTO auto var */
1164 sc_Undefined, /* 2: C_EXT external */
1165 sc_Data, /* 3: C_STAT static */
1166 sc_Register, /* 4: C_REG register */
1167 sc_Undefined, /* 5: C_EXTDEF ??? */
1168 sc_Text, /* 6: C_LABEL label */
1169 sc_Text, /* 7: C_ULABEL user label */
1170 sc_Info, /* 8: C_MOS member of struct */
1171 sc_Abs, /* 9: C_ARG argument */
1172 sc_Info, /* 10: C_STRTAG struct tag */
1173 sc_Info, /* 11: C_MOU member of union */
1174 sc_Info, /* 12: C_UNTAG union tag */
1175 sc_Info, /* 13: C_TPDEF typedef */
1176 sc_Data, /* 14: C_USTATIC ??? */
1177 sc_Info, /* 15: C_ENTAG enum tag */
1178 sc_Info, /* 16: C_MOE member of enum */
1179 sc_Register, /* 17: C_REGPARM register parameter */
1180 sc_Bits, /* 18; C_FIELD bitfield */
1262 sc_Text, /* 100: C_BLOCK block start/end */
1263 sc_Text, /* 101: C_FCN function start/end */
1264 sc_Info, /* 102: C_EOS end of struct/union/enum */
1265 sc_Nil, /* 103: C_FILE file start */
1266 sc_Nil, /* 104: C_LINE line number */
1267 sc_Nil, /* 105: C_ALIAS combined type info */
1268 sc_Nil, /* 106: C_HIDDEN ??? */
1271 /* Convert COFF storage class to ECOFF symbol type. */
1272 static const st_t map_coff_sym_type[] = {
1273 st_Nil, /* 0: C_NULL */
1274 st_Local, /* 1: C_AUTO auto var */
1275 st_Global, /* 2: C_EXT external */
1276 st_Static, /* 3: C_STAT static */
1277 st_Local, /* 4: C_REG register */
1278 st_Global, /* 5: C_EXTDEF ??? */
1279 st_Label, /* 6: C_LABEL label */
1280 st_Label, /* 7: C_ULABEL user label */
1281 st_Member, /* 8: C_MOS member of struct */
1282 st_Param, /* 9: C_ARG argument */
1283 st_Block, /* 10: C_STRTAG struct tag */
1284 st_Member, /* 11: C_MOU member of union */
1285 st_Block, /* 12: C_UNTAG union tag */
1286 st_Typedef, /* 13: C_TPDEF typedef */
1287 st_Static, /* 14: C_USTATIC ??? */
1288 st_Block, /* 15: C_ENTAG enum tag */
1289 st_Member, /* 16: C_MOE member of enum */
1290 st_Param, /* 17: C_REGPARM register parameter */
1291 st_Member, /* 18; C_FIELD bitfield */
1373 st_Block, /* 100: C_BLOCK block start/end */
1374 st_Proc, /* 101: C_FCN function start/end */
1375 st_End, /* 102: C_EOS end of struct/union/enum */
1376 st_File, /* 103: C_FILE file start */
1377 st_Nil, /* 104: C_LINE line number */
1378 st_Nil, /* 105: C_ALIAS combined type info */
1379 st_Nil, /* 106: C_HIDDEN ??? */
1382 /* Keep track of different sized allocation requests. */
1383 static alloc_info_t alloc_counts[(int) alloc_type_last];
1385 /* Record whether we have seen any debugging information. */
1386 int ecoff_debugging_seen = 0;
1388 /* Various statics. */
1389 static efdr_t *cur_file_ptr = (efdr_t *) 0; /* current file desc. header */
1390 static proc_t *cur_proc_ptr = (proc_t *) 0; /* current procedure header */
1391 static proc_t *first_proc_ptr = (proc_t *) 0; /* first procedure header */
1392 static thead_t *top_tag_head = (thead_t *) 0; /* top level tag head */
1393 static thead_t *cur_tag_head = (thead_t *) 0; /* current tag head */
1395 static int debug = 0; /* trace functions */
1397 static int stabs_seen = 0; /* != 0 if stabs have been seen */
1399 static int current_file_idx;
1400 static const char *current_stabs_filename;
1402 /* Pseudo symbol to use when putting stabs into the symbol table. */
1403 #ifndef STABS_SYMBOL
1404 #define STABS_SYMBOL "@stabs"
1407 static char stabs_symbol[] = STABS_SYMBOL;
1409 /* Prototypes for functions defined in this file. */
1411 static void add_varray_page (varray_t *vp);
1412 static symint_t add_string (varray_t *vp,
1413 struct hash_control *hash_tbl,
1415 shash_t **ret_hash);
1416 static localsym_t *add_ecoff_symbol (const char *str, st_t type,
1417 sc_t storage, symbolS *sym,
1418 bfd_vma addend, symint_t value,
1420 static symint_t add_aux_sym_symint (symint_t aux_word);
1421 static symint_t add_aux_sym_rndx (int file_index, symint_t sym_index);
1422 static symint_t add_aux_sym_tir (type_info_t *t,
1424 thash_t **hash_tbl);
1425 static tag_t *get_tag (const char *tag, localsym_t *sym, bt_t basic_type);
1426 static void add_unknown_tag (tag_t *ptag);
1427 static void add_procedure (char *func);
1428 static void add_file (const char *file_name, int indx, int fake);
1430 static char *sc_to_string (sc_t storage_class);
1431 static char *st_to_string (st_t symbol_type);
1433 static void mark_stabs (int);
1434 static char *ecoff_add_bytes (char **buf, char **bufend,
1435 char *bufptr, unsigned long need);
1436 static unsigned long ecoff_padding_adjust
1437 (const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1438 unsigned long offset, char **bufptrptr);
1439 static unsigned long ecoff_build_lineno
1440 (const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1441 unsigned long offset, long *linecntptr);
1442 static unsigned long ecoff_build_symbols
1443 (const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1444 unsigned long offset);
1445 static unsigned long ecoff_build_procs
1446 (const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1447 unsigned long offset);
1448 static unsigned long ecoff_build_aux
1449 (const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1450 unsigned long offset);
1451 static unsigned long ecoff_build_strings (char **buf, char **bufend,
1452 unsigned long offset,
1454 static unsigned long ecoff_build_ss
1455 (const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1456 unsigned long offset);
1457 static unsigned long ecoff_build_fdr
1458 (const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1459 unsigned long offset);
1460 static void ecoff_setup_ext (void);
1461 static page_type *allocate_cluster (unsigned long npages);
1462 static page_type *allocate_page (void);
1463 static scope_t *allocate_scope (void);
1464 static void free_scope (scope_t *ptr);
1465 static vlinks_t *allocate_vlinks (void);
1466 static shash_t *allocate_shash (void);
1467 static thash_t *allocate_thash (void);
1468 static tag_t *allocate_tag (void);
1469 static void free_tag (tag_t *ptr);
1470 static forward_t *allocate_forward (void);
1471 static thead_t *allocate_thead (void);
1472 static void free_thead (thead_t *ptr);
1473 static lineno_list_t *allocate_lineno_list (void);
1475 /* This function should be called when the assembler starts up. */
1478 ecoff_read_begin_hook (void)
1480 tag_hash = hash_new ();
1481 top_tag_head = allocate_thead ();
1482 top_tag_head->first_tag = (tag_t *) NULL;
1483 top_tag_head->free = (thead_t *) NULL;
1484 top_tag_head->prev = cur_tag_head;
1485 cur_tag_head = top_tag_head;
1488 /* This function should be called when a symbol is created. */
1491 ecoff_symbol_new_hook (symbolS *symbolP)
1493 OBJ_SYMFIELD_TYPE *obj;
1495 /* Make sure that we have a file pointer, but only if we have seen a
1496 file. If we haven't seen a file, then this is a probably special
1497 symbol created by md_begin which may required special handling at
1498 some point. Creating a dummy file with a dummy name is certainly
1500 if (cur_file_ptr == (efdr_t *) NULL
1501 && seen_at_least_1_file ())
1502 add_file ((const char *) NULL, 0, 1);
1503 obj = symbol_get_obj (symbolP);
1504 obj->ecoff_file = cur_file_ptr;
1505 obj->ecoff_symbol = NULL;
1506 obj->ecoff_extern_size = 0;
1509 /* Add a page to a varray object. */
1512 add_varray_page (varray_t *vp /* varray to add page to */)
1514 vlinks_t *new_links = allocate_vlinks ();
1517 if (vp->object_size > 1)
1518 new_links->datum = (page_type *) xcalloc (1, vp->object_size);
1521 new_links->datum = allocate_page ();
1523 alloc_counts[(int) alloc_type_varray].total_alloc++;
1524 alloc_counts[(int) alloc_type_varray].total_pages++;
1526 new_links->start_index = vp->num_allocated;
1527 vp->objects_last_page = 0;
1529 if (vp->first == (vlinks_t *) NULL) /* first allocation? */
1530 vp->first = vp->last = new_links;
1532 { /* 2nd or greater allocation */
1533 new_links->prev = vp->last;
1534 vp->last->next = new_links;
1535 vp->last = new_links;
1539 /* Add a string (and null pad) to one of the string tables. */
1542 add_string (varray_t *vp, /* string obstack */
1543 struct hash_control *hash_tbl, /* ptr to hash table */
1544 const char *str, /* string */
1545 shash_t **ret_hash /* return hash pointer */)
1547 register unsigned long len = strlen (str);
1548 register shash_t *hash_ptr;
1550 if (len >= PAGE_USIZE)
1551 as_fatal (_("string too big (%lu bytes)"), len);
1553 hash_ptr = (shash_t *) hash_find (hash_tbl, str);
1554 if (hash_ptr == (shash_t *) NULL)
1556 register const char *err;
1558 if (vp->objects_last_page + len >= PAGE_USIZE)
1561 ((vp->num_allocated + PAGE_USIZE - 1) / PAGE_USIZE) * PAGE_USIZE;
1562 add_varray_page (vp);
1565 hash_ptr = allocate_shash ();
1566 hash_ptr->indx = vp->num_allocated;
1568 hash_ptr->string = &vp->last->datum->byte[vp->objects_last_page];
1570 vp->objects_last_page += len + 1;
1571 vp->num_allocated += len + 1;
1573 strcpy (hash_ptr->string, str);
1575 err = hash_insert (hash_tbl, str, (char *) hash_ptr);
1577 as_fatal (_("inserting \"%s\" into string hash table: %s"),
1581 if (ret_hash != (shash_t **) NULL)
1582 *ret_hash = hash_ptr;
1584 return hash_ptr->indx;
1587 /* Add debugging information for a symbol. */
1590 add_ecoff_symbol (const char *str, /* symbol name */
1591 st_t type, /* symbol type */
1592 sc_t storage, /* storage class */
1593 symbolS *sym_value, /* associated symbol. */
1594 bfd_vma addend, /* addend to sym_value. */
1595 symint_t value, /* value of symbol */
1596 symint_t indx /* index to local/aux. syms */)
1599 register scope_t *pscope;
1600 register thead_t *ptag_head;
1601 register tag_t *ptag;
1602 register tag_t *ptag_next;
1603 register varray_t *vp;
1604 register int scope_delta = 0;
1605 shash_t *hash_ptr = (shash_t *) NULL;
1607 if (cur_file_ptr == (efdr_t *) NULL)
1608 as_fatal (_("no current file pointer"));
1610 vp = &cur_file_ptr->symbols;
1612 if (vp->objects_last_page == vp->objects_per_page)
1613 add_varray_page (vp);
1615 psym = &vp->last->datum->sym[vp->objects_last_page++];
1617 if (str == (const char *) NULL && sym_value != (symbolS *) NULL)
1618 psym->name = S_GET_NAME (sym_value);
1621 psym->as_sym = sym_value;
1622 if (sym_value != (symbolS *) NULL)
1623 symbol_get_obj (sym_value)->ecoff_symbol = psym;
1624 psym->addend = addend;
1625 psym->file_ptr = cur_file_ptr;
1626 psym->proc_ptr = cur_proc_ptr;
1627 psym->begin_ptr = (localsym_t *) NULL;
1628 psym->index_ptr = (aux_t *) NULL;
1629 psym->forward_ref = (forward_t *) NULL;
1630 psym->sym_index = -1;
1631 memset (&psym->ecoff_sym, 0, sizeof (EXTR));
1632 psym->ecoff_sym.asym.value = value;
1633 psym->ecoff_sym.asym.st = (unsigned) type;
1634 psym->ecoff_sym.asym.sc = (unsigned) storage;
1635 psym->ecoff_sym.asym.index = indx;
1637 /* If there is an associated symbol, we wait until the end of the
1638 assembly before deciding where to put the name (it may be just an
1639 external symbol). Otherwise, this is just a debugging symbol and
1640 the name should go with the current file. */
1641 if (sym_value == (symbolS *) NULL)
1642 psym->ecoff_sym.asym.iss = ((str == (const char *) NULL)
1644 : add_string (&cur_file_ptr->strings,
1645 cur_file_ptr->str_hash,
1649 ++vp->num_allocated;
1651 if (ECOFF_IS_STAB (&psym->ecoff_sym.asym))
1654 /* Save the symbol within the hash table if this is a static
1655 item, and it has a name. */
1656 if (hash_ptr != (shash_t *) NULL
1657 && (type == st_Global || type == st_Static || type == st_Label
1658 || type == st_Proc || type == st_StaticProc))
1659 hash_ptr->sym_ptr = psym;
1661 /* push or pop a scope if appropriate. */
1667 case st_File: /* beginning of file */
1668 case st_Proc: /* procedure */
1669 case st_StaticProc: /* static procedure */
1670 case st_Block: /* begin scope */
1671 pscope = allocate_scope ();
1672 pscope->prev = cur_file_ptr->cur_scope;
1673 pscope->lsym = psym;
1674 pscope->type = type;
1675 cur_file_ptr->cur_scope = pscope;
1677 if (type != st_File)
1680 /* For every block type except file, struct, union, or
1681 enumeration blocks, push a level on the tag stack. We omit
1682 file types, so that tags can span file boundaries. */
1683 if (type != st_File && storage != sc_Info)
1685 ptag_head = allocate_thead ();
1686 ptag_head->first_tag = 0;
1687 ptag_head->prev = cur_tag_head;
1688 cur_tag_head = ptag_head;
1693 pscope = cur_file_ptr->cur_scope;
1694 if (pscope == (scope_t *) NULL)
1695 as_fatal (_("too many st_End's"));
1698 st_t begin_type = (st_t) pscope->lsym->ecoff_sym.asym.st;
1700 psym->begin_ptr = pscope->lsym;
1702 if (begin_type != st_File)
1705 /* Except for file, structure, union, or enumeration end
1706 blocks remove all tags created within this scope. */
1707 if (begin_type != st_File && storage != sc_Info)
1709 ptag_head = cur_tag_head;
1710 cur_tag_head = ptag_head->prev;
1712 for (ptag = ptag_head->first_tag;
1713 ptag != (tag_t *) NULL;
1716 if (ptag->forward_ref != (forward_t *) NULL)
1717 add_unknown_tag (ptag);
1719 ptag_next = ptag->same_block;
1720 ptag->hash_ptr->tag_ptr = ptag->same_name;
1724 free_thead (ptag_head);
1727 cur_file_ptr->cur_scope = pscope->prev;
1729 /* block begin gets next sym #. This is set when we know
1730 the symbol index value. */
1732 /* Functions push two or more aux words as follows:
1733 1st word: index+1 of the end symbol (filled in later).
1734 2nd word: type of the function (plus any aux words needed).
1735 Also, tie the external pointer back to the function begin symbol. */
1736 if (begin_type != st_File && begin_type != st_Block)
1739 varray_t *svp = &cur_file_ptr->aux_syms;
1741 pscope->lsym->ecoff_sym.asym.index = add_aux_sym_symint (0);
1742 pscope->lsym->index_ptr =
1743 &svp->last->datum->aux[svp->objects_last_page - 1];
1744 ty = add_aux_sym_tir (&last_func_type_info,
1746 &cur_file_ptr->thash_head[0]);
1748 /* This seems to be unnecessary. I'm not even sure what it is
1749 * intended to do. It's from mips-tfile.
1750 * if (last_func_sym_value != (symbolS *) NULL)
1752 * last_func_sym_value->ifd = cur_file_ptr->file_index;
1753 * last_func_sym_value->index = ty;
1758 free_scope (pscope);
1762 cur_file_ptr->nested_scopes += scope_delta;
1765 if (debug && type != st_File
1766 && (debug > 2 || type == st_Block || type == st_End
1767 || type == st_Proc || type == st_StaticProc))
1769 char *sc_str = sc_to_string (storage);
1770 char *st_str = st_to_string (type);
1771 int depth = cur_file_ptr->nested_scopes + (scope_delta < 0);
1774 "\tlsym\tv= %10ld, depth= %2d, sc= %-12s",
1775 value, depth, sc_str);
1777 if (str_start && str_end_p1 - str_start > 0)
1778 fprintf (stderr, " st= %-11s name= %.*s\n",
1779 st_str, str_end_p1 - str_start, str_start);
1782 unsigned long len = strlen (st_str);
1783 fprintf (stderr, " st= %.*s\n", len - 1, st_str);
1791 /* Add an auxiliary symbol (passing a symint). This is actually used
1792 for integral aux types, not just symints. */
1795 add_aux_sym_symint (symint_t aux_word /* auxiliary information word */)
1797 register varray_t *vp;
1798 register aux_t *aux_ptr;
1800 if (cur_file_ptr == (efdr_t *) NULL)
1801 as_fatal (_("no current file pointer"));
1803 vp = &cur_file_ptr->aux_syms;
1805 if (vp->objects_last_page == vp->objects_per_page)
1806 add_varray_page (vp);
1808 aux_ptr = &vp->last->datum->aux[vp->objects_last_page++];
1809 aux_ptr->type = aux_isym;
1810 aux_ptr->data.isym = aux_word;
1812 return vp->num_allocated++;
1815 /* Add an auxiliary symbol (passing a file/symbol index combo). */
1818 add_aux_sym_rndx (int file_index, symint_t sym_index)
1820 register varray_t *vp;
1821 register aux_t *aux_ptr;
1823 if (cur_file_ptr == (efdr_t *) NULL)
1824 as_fatal (_("no current file pointer"));
1826 vp = &cur_file_ptr->aux_syms;
1828 if (vp->objects_last_page == vp->objects_per_page)
1829 add_varray_page (vp);
1831 aux_ptr = &vp->last->datum->aux[vp->objects_last_page++];
1832 aux_ptr->type = aux_rndx;
1833 aux_ptr->data.rndx.rfd = file_index;
1834 aux_ptr->data.rndx.index = sym_index;
1836 return vp->num_allocated++;
1839 /* Add an auxiliary symbol (passing the basic type and possibly
1840 type qualifiers). */
1843 add_aux_sym_tir (type_info_t *t, /* current type information */
1844 hash_state_t state, /* whether to hash type or not */
1845 thash_t **hash_tbl /* pointer to hash table to use */)
1847 register varray_t *vp;
1848 register aux_t *aux_ptr;
1849 static AUXU init_aux;
1854 if (cur_file_ptr == (efdr_t *) NULL)
1855 as_fatal (_("no current file pointer"));
1857 vp = &cur_file_ptr->aux_syms;
1860 aux.ti.bt = (int) t->basic_type;
1861 aux.ti.continued = 0;
1862 aux.ti.fBitfield = t->bitfield;
1864 aux.ti.tq0 = (int) t->type_qualifiers[0];
1865 aux.ti.tq1 = (int) t->type_qualifiers[1];
1866 aux.ti.tq2 = (int) t->type_qualifiers[2];
1867 aux.ti.tq3 = (int) t->type_qualifiers[3];
1868 aux.ti.tq4 = (int) t->type_qualifiers[4];
1869 aux.ti.tq5 = (int) t->type_qualifiers[5];
1871 /* For anything that adds additional information, we must not hash,
1872 so check here, and reset our state. */
1874 if (state != hash_no
1875 && (t->type_qualifiers[0] == tq_Array
1876 || t->type_qualifiers[1] == tq_Array
1877 || t->type_qualifiers[2] == tq_Array
1878 || t->type_qualifiers[3] == tq_Array
1879 || t->type_qualifiers[4] == tq_Array
1880 || t->type_qualifiers[5] == tq_Array
1881 || t->basic_type == bt_Struct
1882 || t->basic_type == bt_Union
1883 || t->basic_type == bt_Enum
1885 || t->num_dims > 0))
1888 /* See if we can hash this type, and save some space, but some types
1889 can't be hashed (because they contain arrays or continuations),
1890 and others can be put into the hash list, but cannot use existing
1891 types because other aux entries precede this one. */
1893 if (state != hash_no)
1895 register thash_t *hash_ptr;
1896 register symint_t hi;
1898 hi = aux.isym & ((1 << HASHBITS) - 1);
1901 for (hash_ptr = hash_tbl[hi];
1902 hash_ptr != (thash_t *)0;
1903 hash_ptr = hash_ptr->next)
1905 if (aux.isym == hash_ptr->type.isym)
1909 if (hash_ptr != (thash_t *) NULL && state == hash_yes)
1910 return hash_ptr->indx;
1912 if (hash_ptr == (thash_t *) NULL)
1914 hash_ptr = allocate_thash ();
1915 hash_ptr->next = hash_tbl[hi];
1916 hash_ptr->type = aux;
1917 hash_ptr->indx = vp->num_allocated;
1918 hash_tbl[hi] = hash_ptr;
1922 /* Everything is set up, add the aux symbol. */
1923 if (vp->objects_last_page == vp->objects_per_page)
1924 add_varray_page (vp);
1926 aux_ptr = &vp->last->datum->aux[vp->objects_last_page++];
1927 aux_ptr->type = aux_tir;
1928 aux_ptr->data = aux;
1930 ret = vp->num_allocated++;
1932 /* Add bitfield length if it exists.
1934 NOTE: Mips documentation claims bitfield goes at the end of the
1935 AUX record, but the DECstation compiler emits it here.
1936 (This would only make a difference for enum bitfields.)
1938 Also note: We use the last size given since gcc may emit 2
1939 for an enum bitfield. */
1942 (void) add_aux_sym_symint ((symint_t) t->sizes[t->num_sizes - 1]);
1944 /* Add tag information if needed. Structure, union, and enum
1945 references add 2 aux symbols: a [file index, symbol index]
1946 pointer to the structure type, and the current file index. */
1948 if (t->basic_type == bt_Struct
1949 || t->basic_type == bt_Union
1950 || t->basic_type == bt_Enum)
1952 register symint_t file_index = t->tag_ptr->ifd;
1953 register localsym_t *sym = t->tag_ptr->sym;
1954 register forward_t *forward_ref = allocate_forward ();
1956 if (sym != (localsym_t *) NULL)
1958 forward_ref->next = sym->forward_ref;
1959 sym->forward_ref = forward_ref;
1963 forward_ref->next = t->tag_ptr->forward_ref;
1964 t->tag_ptr->forward_ref = forward_ref;
1967 (void) add_aux_sym_rndx (ST_RFDESCAPE, indexNil);
1968 forward_ref->index_ptr
1969 = &vp->last->datum->aux[vp->objects_last_page - 1];
1971 (void) add_aux_sym_symint (file_index);
1972 forward_ref->ifd_ptr
1973 = &vp->last->datum->aux[vp->objects_last_page - 1];
1976 /* Add information about array bounds if they exist. */
1977 for (i = 0; i < t->num_dims; i++)
1979 (void) add_aux_sym_rndx (ST_RFDESCAPE,
1980 cur_file_ptr->int_type);
1982 (void) add_aux_sym_symint (cur_file_ptr->file_index); /* file index*/
1983 (void) add_aux_sym_symint ((symint_t) 0); /* low bound */
1984 (void) add_aux_sym_symint (t->dimensions[i] - 1); /* high bound*/
1985 (void) add_aux_sym_symint ((t->dimensions[i] == 0) /* stride */
1987 : (t->sizes[i] * 8) / t->dimensions[i]);
1990 /* NOTE: Mips documentation claims that the bitfield width goes here.
1991 But it needs to be emitted earlier. */
1996 /* Add a tag to the tag table (unless it already exists). */
1999 get_tag (const char *tag, /* tag name */
2000 localsym_t *sym, /* tag start block */
2001 bt_t basic_type /* bt_Struct, bt_Union, or bt_Enum */)
2007 if (cur_file_ptr == (efdr_t *) NULL)
2008 as_fatal (_("no current file pointer"));
2010 hash_ptr = (shash_t *) hash_find (tag_hash, tag);
2012 if (hash_ptr != (shash_t *) NULL
2013 && hash_ptr->tag_ptr != (tag_t *) NULL)
2015 tag_ptr = hash_ptr->tag_ptr;
2016 if (sym != (localsym_t *) NULL)
2018 tag_ptr->basic_type = basic_type;
2019 tag_ptr->ifd = cur_file_ptr->file_index;
2025 if (hash_ptr == (shash_t *) NULL)
2029 perm = xstrdup (tag);
2030 hash_ptr = allocate_shash ();
2031 err = hash_insert (tag_hash, perm, (char *) hash_ptr);
2033 as_fatal (_("inserting \"%s\" into tag hash table: %s"),
2035 hash_ptr->string = perm;
2038 tag_ptr = allocate_tag ();
2039 tag_ptr->forward_ref = (forward_t *) NULL;
2040 tag_ptr->hash_ptr = hash_ptr;
2041 tag_ptr->same_name = hash_ptr->tag_ptr;
2042 tag_ptr->basic_type = basic_type;
2044 tag_ptr->ifd = ((sym == (localsym_t *) NULL)
2046 : cur_file_ptr->file_index);
2047 tag_ptr->same_block = cur_tag_head->first_tag;
2049 cur_tag_head->first_tag = tag_ptr;
2050 hash_ptr->tag_ptr = tag_ptr;
2055 /* Add an unknown {struct, union, enum} tag. */
2058 add_unknown_tag (tag_t *ptag /* pointer to tag information */)
2060 shash_t *hash_ptr = ptag->hash_ptr;
2061 char *name = hash_ptr->string;
2068 char *agg_type = "{unknown aggregate type}";
2069 switch (ptag->basic_type)
2071 case bt_Struct: agg_type = "struct"; break;
2072 case bt_Union: agg_type = "union"; break;
2073 case bt_Enum: agg_type = "enum"; break;
2077 fprintf (stderr, "unknown %s %.*s found\n", agg_type,
2078 hash_ptr->len, name_start);
2082 sym = add_ecoff_symbol (name,
2090 (void) add_ecoff_symbol (name,
2098 for (pf = &sym->forward_ref; *pf != (forward_t *) NULL; pf = &(*pf)->next)
2100 *pf = ptag->forward_ref;
2103 /* Add a procedure to the current file's list of procedures, and record
2104 this is the current procedure. */
2107 add_procedure (char *func /* func name */)
2109 register varray_t *vp;
2110 register proc_t *new_proc_ptr;
2115 fputc ('\n', stderr);
2118 if (cur_file_ptr == (efdr_t *) NULL)
2119 as_fatal (_("no current file pointer"));
2121 vp = &cur_file_ptr->procs;
2123 if (vp->objects_last_page == vp->objects_per_page)
2124 add_varray_page (vp);
2126 cur_proc_ptr = new_proc_ptr = &vp->last->datum->proc[vp->objects_last_page++];
2128 if (first_proc_ptr == (proc_t *) NULL)
2129 first_proc_ptr = new_proc_ptr;
2131 vp->num_allocated++;
2133 new_proc_ptr->pdr.isym = -1;
2134 new_proc_ptr->pdr.iline = -1;
2135 new_proc_ptr->pdr.lnLow = -1;
2136 new_proc_ptr->pdr.lnHigh = -1;
2138 /* Set the BSF_FUNCTION flag for the symbol. */
2139 sym = symbol_find_or_make (func);
2140 symbol_get_bfdsym (sym)->flags |= BSF_FUNCTION;
2142 /* Push the start of the function. */
2143 new_proc_ptr->sym = add_ecoff_symbol ((const char *) NULL, st_Proc, sc_Text,
2144 sym, (bfd_vma) 0, (symint_t) 0,
2149 /* Fill in the linenos preceding the .ent, if any. */
2150 if (noproc_lineno != (lineno_list_t *) NULL)
2154 for (l = noproc_lineno; l != (lineno_list_t *) NULL; l = l->next)
2155 l->proc = new_proc_ptr;
2156 *last_lineno_ptr = noproc_lineno;
2157 while (*last_lineno_ptr != NULL)
2159 last_lineno = *last_lineno_ptr;
2160 last_lineno_ptr = &last_lineno->next;
2162 noproc_lineno = (lineno_list_t *) NULL;
2167 ecoff_get_cur_proc_sym (void)
2169 return (cur_proc_ptr ? cur_proc_ptr->sym->as_sym : NULL);
2172 /* Add a new filename, and set up all of the file relative
2173 virtual arrays (strings, symbols, aux syms, etc.). Record
2174 where the current file structure lives. */
2177 add_file (const char *file_name, int indx ATTRIBUTE_UNUSED, int fake)
2179 register int first_ch;
2180 register efdr_t *fil_ptr;
2184 fprintf (stderr, "\tfile\t%.*s\n", len, file_start);
2187 /* If the file name is NULL, then no .file symbol appeared, and we
2188 want to use the actual file name. */
2189 if (file_name == (const char *) NULL)
2193 if (first_file != (efdr_t *) NULL)
2194 as_fatal (_("fake .file after real one"));
2195 as_where (&file, (unsigned int *) NULL);
2196 file_name = (const char *) file;
2198 /* Automatically generate ECOFF debugging information, since I
2199 think that's what other ECOFF assemblers do. We don't do
2200 this if we see a .file directive with a string, since that
2201 implies that some sort of debugging information is being
2203 if (! symbol_table_frozen && debug_type == DEBUG_UNSPECIFIED)
2204 debug_type = DEBUG_ECOFF;
2206 else if (debug_type == DEBUG_UNSPECIFIED)
2207 debug_type = DEBUG_NONE;
2211 listing_source_file (file_name);
2214 current_stabs_filename = file_name;
2216 /* If we're creating stabs, then we don't actually make a new FDR.
2217 Instead, we just create a stabs symbol. */
2220 (void) add_ecoff_symbol (file_name, st_Nil, sc_Nil,
2221 symbol_new ("L0\001", now_seg,
2222 (valueT) frag_now_fix (),
2224 (bfd_vma) 0, 0, ECOFF_MARK_STAB (N_SOL));
2228 first_ch = *file_name;
2230 /* FIXME: We can't safely merge files which have line number
2231 information (fMerge will be zero in this case). Otherwise, we
2232 get incorrect line number debugging info. See for instance
2233 ecoff_build_lineno, which will end up setting all file->fdr.*
2234 fields multiple times, resulting in incorrect debug info. In
2235 order to make this work right, all line number and symbol info
2236 for the same source file has to be adjacent in the object file,
2237 so that a single file descriptor can be used to point to them.
2238 This would require maintaining file specific lists of line
2239 numbers and symbols for each file, so that they can be merged
2240 together (or output together) when two .file pseudo-ops are
2241 merged into one file descriptor. */
2243 /* See if the file has already been created. */
2244 for (fil_ptr = first_file;
2245 fil_ptr != (efdr_t *) NULL;
2246 fil_ptr = fil_ptr->next_file)
2248 if (first_ch == fil_ptr->name[0]
2249 && strcmp (file_name, fil_ptr->name) == 0
2250 && fil_ptr->fdr.fMerge)
2252 cur_file_ptr = fil_ptr;
2254 cur_file_ptr->fake = 0;
2259 /* If this is a new file, create it. */
2260 if (fil_ptr == (efdr_t *) NULL)
2262 if (file_desc.objects_last_page == file_desc.objects_per_page)
2263 add_varray_page (&file_desc);
2265 fil_ptr = cur_file_ptr =
2266 &file_desc.last->datum->file[file_desc.objects_last_page++];
2267 *fil_ptr = init_file;
2269 fil_ptr->file_index = current_file_idx++;
2270 ++file_desc.num_allocated;
2272 fil_ptr->fake = fake;
2274 /* Allocate the string hash table. */
2275 fil_ptr->str_hash = hash_new ();
2277 /* Make sure 0 byte in string table is null */
2278 add_string (&fil_ptr->strings,
2283 if (strlen (file_name) > PAGE_USIZE - 2)
2284 as_fatal (_("filename goes over one page boundary"));
2286 /* Push the start of the filename. We assume that the filename
2287 will be stored at string offset 1. */
2288 (void) add_ecoff_symbol (file_name, st_File, sc_Text,
2289 (symbolS *) NULL, (bfd_vma) 0,
2290 (symint_t) 0, (symint_t) 0);
2291 fil_ptr->fdr.rss = 1;
2292 fil_ptr->name = &fil_ptr->strings.last->datum->byte[1];
2294 /* Update the linked list of file descriptors. */
2295 *last_file_ptr = fil_ptr;
2296 last_file_ptr = &fil_ptr->next_file;
2298 /* Add void & int types to the file (void should be first to catch
2299 errant 0's within the index fields). */
2300 fil_ptr->void_type = add_aux_sym_tir (&void_type_info,
2302 &cur_file_ptr->thash_head[0]);
2304 fil_ptr->int_type = add_aux_sym_tir (&int_type_info,
2306 &cur_file_ptr->thash_head[0]);
2310 /* This function is called when the assembler notices a preprocessor
2311 directive switching to a new file. This will not happen in
2312 compiler output, only in hand coded assembler. */
2315 ecoff_new_file (const char *name)
2317 if (cur_file_ptr != NULL && strcmp (cur_file_ptr->name, name) == 0)
2319 add_file (name, 0, 0);
2321 /* This is a hand coded assembler file, so automatically turn on
2322 debugging information. */
2323 if (debug_type == DEBUG_UNSPECIFIED)
2324 debug_type = DEBUG_ECOFF;
2329 /* Convert storage class to string. */
2332 sc_to_string (storage_class)
2335 switch (storage_class)
2337 case sc_Nil: return "Nil,";
2338 case sc_Text: return "Text,";
2339 case sc_Data: return "Data,";
2340 case sc_Bss: return "Bss,";
2341 case sc_Register: return "Register,";
2342 case sc_Abs: return "Abs,";
2343 case sc_Undefined: return "Undefined,";
2344 case sc_CdbLocal: return "CdbLocal,";
2345 case sc_Bits: return "Bits,";
2346 case sc_CdbSystem: return "CdbSystem,";
2347 case sc_RegImage: return "RegImage,";
2348 case sc_Info: return "Info,";
2349 case sc_UserStruct: return "UserStruct,";
2350 case sc_SData: return "SData,";
2351 case sc_SBss: return "SBss,";
2352 case sc_RData: return "RData,";
2353 case sc_Var: return "Var,";
2354 case sc_Common: return "Common,";
2355 case sc_SCommon: return "SCommon,";
2356 case sc_VarRegister: return "VarRegister,";
2357 case sc_Variant: return "Variant,";
2358 case sc_SUndefined: return "SUndefined,";
2359 case sc_Init: return "Init,";
2360 case sc_Max: return "Max,";
2370 /* Convert symbol type to string. */
2373 st_to_string (symbol_type)
2376 switch (symbol_type)
2378 case st_Nil: return "Nil,";
2379 case st_Global: return "Global,";
2380 case st_Static: return "Static,";
2381 case st_Param: return "Param,";
2382 case st_Local: return "Local,";
2383 case st_Label: return "Label,";
2384 case st_Proc: return "Proc,";
2385 case st_Block: return "Block,";
2386 case st_End: return "End,";
2387 case st_Member: return "Member,";
2388 case st_Typedef: return "Typedef,";
2389 case st_File: return "File,";
2390 case st_RegReloc: return "RegReloc,";
2391 case st_Forward: return "Forward,";
2392 case st_StaticProc: return "StaticProc,";
2393 case st_Constant: return "Constant,";
2394 case st_Str: return "String,";
2395 case st_Number: return "Number,";
2396 case st_Expr: return "Expr,";
2397 case st_Type: return "Type,";
2398 case st_Max: return "Max,";
2406 /* Parse .begin directives which have a label as the first argument
2407 which gives the location of the start of the block. */
2410 ecoff_directive_begin (int ignore ATTRIBUTE_UNUSED)
2415 if (cur_file_ptr == (efdr_t *) NULL)
2417 as_warn (_(".begin directive without a preceding .file directive"));
2418 demand_empty_rest_of_line ();
2422 if (cur_proc_ptr == (proc_t *) NULL)
2424 as_warn (_(".begin directive without a preceding .ent directive"));
2425 demand_empty_rest_of_line ();
2429 name = input_line_pointer;
2430 name_end = get_symbol_end ();
2432 (void) add_ecoff_symbol ((const char *) NULL, st_Block, sc_Text,
2433 symbol_find_or_make (name),
2434 (bfd_vma) 0, (symint_t) 0, (symint_t) 0);
2436 *input_line_pointer = name_end;
2438 /* The line number follows, but we don't use it. */
2439 (void) get_absolute_expression ();
2440 demand_empty_rest_of_line ();
2443 /* Parse .bend directives which have a label as the first argument
2444 which gives the location of the end of the block. */
2447 ecoff_directive_bend (int ignore ATTRIBUTE_UNUSED)
2453 if (cur_file_ptr == (efdr_t *) NULL)
2455 as_warn (_(".bend directive without a preceding .file directive"));
2456 demand_empty_rest_of_line ();
2460 if (cur_proc_ptr == (proc_t *) NULL)
2462 as_warn (_(".bend directive without a preceding .ent directive"));
2463 demand_empty_rest_of_line ();
2467 name = input_line_pointer;
2468 name_end = get_symbol_end ();
2470 /* The value is the distance between the .bend directive and the
2471 corresponding symbol. We fill in the offset when we write out
2473 endsym = symbol_find (name);
2474 if (endsym == (symbolS *) NULL)
2475 as_warn (_(".bend directive names unknown symbol"));
2477 (void) add_ecoff_symbol ((const char *) NULL, st_End, sc_Text, endsym,
2478 (bfd_vma) 0, (symint_t) 0, (symint_t) 0);
2480 *input_line_pointer = name_end;
2482 /* The line number follows, but we don't use it. */
2483 (void) get_absolute_expression ();
2484 demand_empty_rest_of_line ();
2487 /* COFF debugging information is provided as a series of directives
2488 (.def, .scl, etc.). We build up information as we read the
2489 directives in the following static variables, and file it away when
2490 we reach the .endef directive. */
2491 static char *coff_sym_name;
2492 static type_info_t coff_type;
2493 static sc_t coff_storage_class;
2494 static st_t coff_symbol_typ;
2495 static int coff_is_function;
2496 static char *coff_tag;
2497 static valueT coff_value;
2498 static symbolS *coff_sym_value;
2499 static bfd_vma coff_sym_addend;
2500 static int coff_inside_enumeration;
2502 /* Handle a .def directive: start defining a symbol. */
2505 ecoff_directive_def (int ignore ATTRIBUTE_UNUSED)
2510 ecoff_debugging_seen = 1;
2514 name = input_line_pointer;
2515 name_end = get_symbol_end ();
2517 if (coff_sym_name != (char *) NULL)
2518 as_warn (_(".def pseudo-op used inside of .def/.endef; ignored"));
2519 else if (*name == '\0')
2520 as_warn (_("empty symbol name in .def; ignored"));
2523 if (coff_sym_name != (char *) NULL)
2524 free (coff_sym_name);
2525 if (coff_tag != (char *) NULL)
2528 coff_sym_name = xstrdup (name);
2529 coff_type = type_info_init;
2530 coff_storage_class = sc_Nil;
2531 coff_symbol_typ = st_Nil;
2532 coff_is_function = 0;
2533 coff_tag = (char *) NULL;
2535 coff_sym_value = (symbolS *) NULL;
2536 coff_sym_addend = 0;
2539 *input_line_pointer = name_end;
2541 demand_empty_rest_of_line ();
2544 /* Handle a .dim directive, used to give dimensions for an array. The
2545 arguments are comma separated numbers. mips-tfile assumes that
2546 there will not be more than 6 dimensions, and gdb won't read any
2547 more than that anyhow, so I will also make that assumption. */
2550 ecoff_directive_dim (int ignore ATTRIBUTE_UNUSED)
2555 if (coff_sym_name == (char *) NULL)
2557 as_warn (_(".dim pseudo-op used outside of .def/.endef; ignored"));
2558 demand_empty_rest_of_line ();
2562 for (i = 0; i < N_TQ; i++)
2565 dimens[i] = get_absolute_expression ();
2566 if (*input_line_pointer == ',')
2567 ++input_line_pointer;
2570 if (*input_line_pointer != '\n'
2571 && *input_line_pointer != ';')
2572 as_warn (_("badly formed .dim directive"));
2580 /* The dimensions are stored away in reverse order. */
2583 if (coff_type.num_dims >= N_TQ)
2585 as_warn (_("too many .dim entries"));
2588 coff_type.dimensions[coff_type.num_dims] = dimens[i];
2589 ++coff_type.num_dims;
2592 demand_empty_rest_of_line ();
2595 /* Handle a .scl directive, which sets the COFF storage class of the
2599 ecoff_directive_scl (int ignore ATTRIBUTE_UNUSED)
2603 if (coff_sym_name == (char *) NULL)
2605 as_warn (_(".scl pseudo-op used outside of .def/.endef; ignored"));
2606 demand_empty_rest_of_line ();
2610 val = get_absolute_expression ();
2612 coff_symbol_typ = map_coff_sym_type[val];
2613 coff_storage_class = map_coff_storage[val];
2615 demand_empty_rest_of_line ();
2618 /* Handle a .size directive. For some reason mips-tfile.c thinks that
2619 .size can have multiple arguments. We humor it, although gcc will
2620 never generate more than one argument. */
2623 ecoff_directive_size (int ignore ATTRIBUTE_UNUSED)
2628 if (coff_sym_name == (char *) NULL)
2630 as_warn (_(".size pseudo-op used outside of .def/.endef; ignored"));
2631 demand_empty_rest_of_line ();
2635 for (i = 0; i < N_TQ; i++)
2638 sizes[i] = get_absolute_expression ();
2639 if (*input_line_pointer == ',')
2640 ++input_line_pointer;
2643 if (*input_line_pointer != '\n'
2644 && *input_line_pointer != ';')
2645 as_warn (_("badly formed .size directive"));
2653 /* The sizes are stored away in reverse order. */
2656 if (coff_type.num_sizes >= N_TQ)
2658 as_warn (_("too many .size entries"));
2661 coff_type.sizes[coff_type.num_sizes] = sizes[i];
2662 ++coff_type.num_sizes;
2665 demand_empty_rest_of_line ();
2668 /* Handle the .type directive, which gives the COFF type of the
2672 ecoff_directive_type (int ignore ATTRIBUTE_UNUSED)
2678 if (coff_sym_name == (char *) NULL)
2680 as_warn (_(".type pseudo-op used outside of .def/.endef; ignored"));
2681 demand_empty_rest_of_line ();
2685 val = get_absolute_expression ();
2687 coff_type.orig_type = BTYPE (val);
2688 coff_type.basic_type = map_coff_types[coff_type.orig_type];
2690 tq_ptr = &coff_type.type_qualifiers[N_TQ];
2691 while (val & ~N_BTMASK)
2693 if (tq_ptr == &coff_type.type_qualifiers[0])
2695 /* FIXME: We could handle this by setting the continued bit.
2696 There would still be a limit: the .type argument can not
2698 as_warn (_("the type of %s is too complex; it will be simplified"),
2704 else if (ISFCN (val))
2705 *--tq_ptr = tq_Proc;
2706 else if (ISARY (val))
2707 *--tq_ptr = tq_Array;
2709 as_fatal (_("Unrecognized .type argument"));
2714 tq_shft = &coff_type.type_qualifiers[0];
2715 while (tq_ptr != &coff_type.type_qualifiers[N_TQ])
2716 *tq_shft++ = *tq_ptr++;
2718 if (tq_shft != &coff_type.type_qualifiers[0] && tq_shft[-1] == tq_Proc)
2720 /* If this is a function, ignore it, so that we don't get two
2721 entries (one from the .ent, and one for the .def that
2722 precedes it). Save the type information so that the end
2723 block can properly add it after the begin block index. For
2724 MIPS knows what reason, we must strip off the function type
2726 coff_is_function = 1;
2727 tq_shft[-1] = tq_Nil;
2730 while (tq_shft != &coff_type.type_qualifiers[N_TQ])
2731 *tq_shft++ = tq_Nil;
2733 demand_empty_rest_of_line ();
2736 /* Handle the .tag directive, which gives the name of a structure,
2740 ecoff_directive_tag (int ignore ATTRIBUTE_UNUSED)
2745 if (coff_sym_name == (char *) NULL)
2747 as_warn (_(".tag pseudo-op used outside of .def/.endef; ignored"));
2748 demand_empty_rest_of_line ();
2752 name = input_line_pointer;
2753 name_end = get_symbol_end ();
2755 coff_tag = xstrdup (name);
2757 *input_line_pointer = name_end;
2759 demand_empty_rest_of_line ();
2762 /* Handle the .val directive, which gives the value of the symbol. It
2763 may be the name of a static or global symbol. */
2766 ecoff_directive_val (int ignore ATTRIBUTE_UNUSED)
2770 if (coff_sym_name == (char *) NULL)
2772 as_warn (_(".val pseudo-op used outside of .def/.endef; ignored"));
2773 demand_empty_rest_of_line ();
2778 if (exp.X_op != O_constant && exp.X_op != O_symbol)
2780 as_bad (_(".val expression is too copmlex"));
2781 demand_empty_rest_of_line ();
2785 if (exp.X_op == O_constant)
2786 coff_value = exp.X_add_number;
2789 coff_sym_value = exp.X_add_symbol;
2790 coff_sym_addend = exp.X_add_number;
2793 demand_empty_rest_of_line ();
2796 /* Handle the .endef directive, which terminates processing of COFF
2797 debugging information for a symbol. */
2800 ecoff_directive_endef (int ignore ATTRIBUTE_UNUSED)
2806 demand_empty_rest_of_line ();
2808 if (coff_sym_name == (char *) NULL)
2810 as_warn (_(".endef pseudo-op used before .def; ignored"));
2814 name = coff_sym_name;
2815 coff_sym_name = (char *) NULL;
2817 /* If the symbol is a static or external, we have already gotten the
2818 appropriate type and class, so make sure we don't override those
2819 values. This is needed because there are some type and classes
2820 that are not in COFF, such as short data, etc. */
2821 if (coff_sym_value != (symbolS *) NULL)
2823 coff_symbol_typ = st_Nil;
2824 coff_storage_class = sc_Nil;
2827 coff_type.extra_sizes = coff_tag != (char *) NULL;
2828 if (coff_type.num_dims > 0)
2830 int diff = coff_type.num_dims - coff_type.num_sizes;
2831 int i = coff_type.num_dims - 1;
2834 if (coff_type.num_sizes != 1 || diff < 0)
2836 as_warn (_("bad COFF debugging information"));
2840 /* If this is an array, make sure the same number of dimensions
2841 and sizes were passed, creating extra sizes for multiply
2842 dimensioned arrays if not passed. */
2843 coff_type.extra_sizes = 0;
2846 j = (sizeof (coff_type.sizes) / sizeof (coff_type.sizes[0])) - 1;
2849 coff_type.sizes[j] = (((j - diff) >= 0)
2850 ? coff_type.sizes[j - diff]
2855 coff_type.num_sizes = i + 1;
2856 for (i--; i >= 0; i--)
2857 coff_type.sizes[i] = (coff_type.dimensions[i + 1] == 0
2859 : (coff_type.sizes[i + 1]
2860 / coff_type.dimensions[i + 1]));
2863 else if (coff_symbol_typ == st_Member
2864 && coff_type.num_sizes - coff_type.extra_sizes == 1)
2866 /* Is this a bitfield? This is indicated by a structure member
2867 having a size field that isn't an array. */
2868 coff_type.bitfield = 1;
2871 /* Except for enumeration members & begin/ending of scopes, put the
2872 type word in the aux. symbol table. */
2873 if (coff_symbol_typ == st_Block || coff_symbol_typ == st_End)
2875 else if (coff_inside_enumeration)
2876 indx = cur_file_ptr->void_type;
2879 if (coff_type.basic_type == bt_Struct
2880 || coff_type.basic_type == bt_Union
2881 || coff_type.basic_type == bt_Enum)
2883 if (coff_tag == (char *) NULL)
2885 as_warn (_("no tag specified for %s"), name);
2889 coff_type.tag_ptr = get_tag (coff_tag, (localsym_t *) NULL,
2890 coff_type.basic_type);
2893 if (coff_is_function)
2895 last_func_type_info = coff_type;
2896 last_func_sym_value = coff_sym_value;
2900 indx = add_aux_sym_tir (&coff_type,
2902 &cur_file_ptr->thash_head[0]);
2905 /* Do any last minute adjustments that are necessary. */
2906 switch (coff_symbol_typ)
2911 /* For the beginning of structs, unions, and enumerations, the
2912 size info needs to be passed in the value field. */
2914 if (coff_type.num_sizes - coff_type.num_dims - coff_type.extra_sizes
2917 as_warn (_("bad COFF debugging information"));
2921 coff_value = coff_type.sizes[0];
2923 coff_inside_enumeration = (coff_type.orig_type == T_ENUM);
2926 /* For the end of structs, unions, and enumerations, omit the
2927 name which is always ".eos". This needs to be done last, so
2928 that any error reporting above gives the correct name. */
2931 name = (char *) NULL;
2933 coff_inside_enumeration = 0;
2936 /* Members of structures and unions that aren't bitfields, need
2937 to adjust the value from a byte offset to a bit offset.
2938 Members of enumerations do not have the value adjusted, and
2939 can be distinguished by indx == indexNil. For enumerations,
2940 update the maximum enumeration value. */
2942 if (! coff_type.bitfield && ! coff_inside_enumeration)
2948 /* Add the symbol. */
2949 sym = add_ecoff_symbol (name,
2954 (symint_t) coff_value,
2957 /* deal with struct, union, and enum tags. */
2958 if (coff_symbol_typ == st_Block)
2960 /* Create or update the tag information. */
2961 tag_t *tag_ptr = get_tag (name,
2963 coff_type.basic_type);
2966 /* Remember any forward references. */
2967 for (pf = &sym->forward_ref;
2968 *pf != (forward_t *) NULL;
2971 *pf = tag_ptr->forward_ref;
2972 tag_ptr->forward_ref = (forward_t *) NULL;
2976 /* Parse .end directives. */
2979 ecoff_directive_end (int ignore ATTRIBUTE_UNUSED)
2985 if (cur_file_ptr == (efdr_t *) NULL)
2987 as_warn (_(".end directive without a preceding .file directive"));
2988 demand_empty_rest_of_line ();
2992 if (cur_proc_ptr == (proc_t *) NULL)
2994 as_warn (_(".end directive without a preceding .ent directive"));
2995 demand_empty_rest_of_line ();
2999 name = input_line_pointer;
3000 name_end = get_symbol_end ();
3002 if (name == input_line_pointer)
3004 as_warn (_(".end directive has no name"));
3005 *input_line_pointer = name_end;
3006 demand_empty_rest_of_line ();
3010 /* The value is the distance between the .end directive and the
3011 corresponding symbol. We create a fake symbol to hold the
3012 current location, and put in the offset when we write out the
3014 ent = symbol_find (name);
3015 if (ent == (symbolS *) NULL)
3016 as_warn (_(".end directive names unknown symbol"));
3018 (void) add_ecoff_symbol ((const char *) NULL, st_End, sc_Text,
3019 symbol_new ("L0\001", now_seg,
3020 (valueT) frag_now_fix (),
3022 (bfd_vma) 0, (symint_t) 0, (symint_t) 0);
3024 cur_proc_ptr = (proc_t *) NULL;
3026 *input_line_pointer = name_end;
3027 demand_empty_rest_of_line ();
3030 /* Parse .ent directives. */
3033 ecoff_directive_ent (int ignore ATTRIBUTE_UNUSED)
3038 if (cur_file_ptr == (efdr_t *) NULL)
3039 add_file ((const char *) NULL, 0, 1);
3041 if (cur_proc_ptr != (proc_t *) NULL)
3043 as_warn (_("second .ent directive found before .end directive"));
3044 demand_empty_rest_of_line ();
3048 name = input_line_pointer;
3049 name_end = get_symbol_end ();
3051 if (name == input_line_pointer)
3053 as_warn (_(".ent directive has no name"));
3054 *input_line_pointer = name_end;
3055 demand_empty_rest_of_line ();
3059 add_procedure (name);
3061 *input_line_pointer = name_end;
3063 /* The .ent directive is sometimes followed by a number. I'm not
3064 really sure what the number means. I don't see any way to store
3065 the information in the PDR. The Irix 4 assembler seems to ignore
3068 if (*input_line_pointer == ',')
3070 ++input_line_pointer;
3073 if (ISDIGIT (*input_line_pointer)
3074 || *input_line_pointer == '-')
3075 (void) get_absolute_expression ();
3077 demand_empty_rest_of_line ();
3080 /* Parse .extern directives. */
3083 ecoff_directive_extern (int ignore ATTRIBUTE_UNUSED)
3090 name = input_line_pointer;
3091 c = get_symbol_end ();
3092 symbolp = symbol_find_or_make (name);
3093 *input_line_pointer = c;
3095 S_SET_EXTERNAL (symbolp);
3097 if (*input_line_pointer == ',')
3098 ++input_line_pointer;
3099 size = get_absolute_expression ();
3101 symbol_get_obj (symbolp)->ecoff_extern_size = size;
3104 /* Parse .file directives. */
3107 ecoff_directive_file (int ignore ATTRIBUTE_UNUSED)
3113 if (cur_proc_ptr != (proc_t *) NULL)
3115 as_warn (_("no way to handle .file within .ent/.end section"));
3116 demand_empty_rest_of_line ();
3120 indx = (int) get_absolute_expression ();
3122 /* FIXME: we don't have to save the name here. */
3123 name = demand_copy_C_string (&len);
3125 add_file (name, indx - 1, 0);
3127 demand_empty_rest_of_line ();
3130 /* Parse .fmask directives. */
3133 ecoff_directive_fmask (int ignore ATTRIBUTE_UNUSED)
3137 if (cur_proc_ptr == (proc_t *) NULL)
3139 as_warn (_(".fmask outside of .ent"));
3140 demand_empty_rest_of_line ();
3144 if (get_absolute_expression_and_terminator (&val) != ',')
3146 as_warn (_("bad .fmask directive"));
3147 --input_line_pointer;
3148 demand_empty_rest_of_line ();
3152 cur_proc_ptr->pdr.fregmask = val;
3153 cur_proc_ptr->pdr.fregoffset = get_absolute_expression ();
3155 demand_empty_rest_of_line ();
3158 /* Parse .frame directives. */
3161 ecoff_directive_frame (int ignore ATTRIBUTE_UNUSED)
3165 if (cur_proc_ptr == (proc_t *) NULL)
3167 as_warn (_(".frame outside of .ent"));
3168 demand_empty_rest_of_line ();
3172 cur_proc_ptr->pdr.framereg = tc_get_register (1);
3175 if (*input_line_pointer++ != ','
3176 || get_absolute_expression_and_terminator (&val) != ',')
3178 as_warn (_("bad .frame directive"));
3179 --input_line_pointer;
3180 demand_empty_rest_of_line ();
3184 cur_proc_ptr->pdr.frameoffset = val;
3186 cur_proc_ptr->pdr.pcreg = tc_get_register (0);
3189 /* Alpha-OSF1 adds "the offset of saved $a0 from $sp", according to
3190 Sandro. I don't yet know where this value should be stored, if
3192 demand_empty_rest_of_line ();
3198 /* Parse .mask directives. */
3201 ecoff_directive_mask (int ignore ATTRIBUTE_UNUSED)
3205 if (cur_proc_ptr == (proc_t *) NULL)
3207 as_warn (_(".mask outside of .ent"));
3208 demand_empty_rest_of_line ();
3212 if (get_absolute_expression_and_terminator (&val) != ',')
3214 as_warn (_("bad .mask directive"));
3215 --input_line_pointer;
3216 demand_empty_rest_of_line ();
3220 cur_proc_ptr->pdr.regmask = val;
3221 cur_proc_ptr->pdr.regoffset = get_absolute_expression ();
3223 demand_empty_rest_of_line ();
3226 /* Parse .loc directives. */
3229 ecoff_directive_loc (int ignore ATTRIBUTE_UNUSED)
3231 lineno_list_t *list;
3234 if (cur_file_ptr == (efdr_t *) NULL)
3236 as_warn (_(".loc before .file"));
3237 demand_empty_rest_of_line ();
3241 if (now_seg != text_section)
3243 as_warn (_(".loc outside of .text"));
3244 demand_empty_rest_of_line ();
3248 /* Skip the file number. */
3250 get_absolute_expression ();
3253 lineno = get_absolute_expression ();
3257 listing_source_line (lineno);
3260 /* If we're building stabs, then output a special label rather than
3261 ECOFF line number info. */
3264 (void) add_ecoff_symbol ((char *) NULL, st_Label, sc_Text,
3265 symbol_new ("L0\001", now_seg,
3266 (valueT) frag_now_fix (),
3268 (bfd_vma) 0, 0, lineno);
3272 list = allocate_lineno_list ();
3274 list->next = (lineno_list_t *) NULL;
3275 list->file = cur_file_ptr;
3276 list->proc = cur_proc_ptr;
3277 list->frag = frag_now;
3278 list->paddr = frag_now_fix ();
3279 list->lineno = lineno;
3281 /* We don't want to merge files which have line numbers. */
3282 cur_file_ptr->fdr.fMerge = 0;
3284 /* A .loc directive will sometimes appear before a .ent directive,
3285 which means that cur_proc_ptr will be NULL here. Arrange to
3287 if (cur_proc_ptr == (proc_t *) NULL)
3291 pl = &noproc_lineno;
3292 while (*pl != (lineno_list_t *) NULL)
3299 *last_lineno_ptr = list;
3300 last_lineno_ptr = &list->next;
3304 /* The MIPS assembler sometimes inserts nop instructions in the
3305 instruction stream. When this happens, we must patch up the .loc
3306 information so that it points to the instruction after the nop. */
3309 ecoff_fix_loc (fragS *old_frag, unsigned long old_frag_offset)
3311 if (last_lineno != NULL
3312 && last_lineno->frag == old_frag
3313 && last_lineno->paddr == old_frag_offset)
3315 last_lineno->frag = frag_now;
3316 last_lineno->paddr = frag_now_fix ();
3320 /* Make sure the @stabs symbol is emitted. */
3323 mark_stabs (int ignore ATTRIBUTE_UNUSED)
3327 /* Add a dummy @stabs dymbol. */
3329 (void) add_ecoff_symbol (stabs_symbol, stNil, scInfo,
3331 (bfd_vma) 0, (symint_t) -1,
3332 ECOFF_MARK_STAB (0));
3336 /* Parse .weakext directives. */
3338 /* For TC_MIPS use the version in tc-mips.c. */
3340 ecoff_directive_weakext (int ignore ATTRIBUTE_UNUSED)
3347 name = input_line_pointer;
3348 c = get_symbol_end ();
3349 symbolP = symbol_find_or_make (name);
3350 *input_line_pointer = c;
3354 if (*input_line_pointer == ',')
3356 if (S_IS_DEFINED (symbolP))
3358 as_bad (_("symbol `%s' is already defined"),
3359 S_GET_NAME (symbolP));
3360 ignore_rest_of_line ();
3364 ++input_line_pointer;
3366 if (! is_end_of_line[(unsigned char) *input_line_pointer])
3369 if (exp.X_op != O_symbol)
3371 as_bad (_("bad .weakext directive"));
3372 ignore_rest_of_line ();
3375 symbol_set_value_expression (symbolP, &exp);
3379 S_SET_WEAK (symbolP);
3381 demand_empty_rest_of_line ();
3383 #endif /* not TC_MIPS */
3385 /* Handle .stabs directives. The actual parsing routine is done by a
3386 generic routine. This routine is called via OBJ_PROCESS_STAB.
3387 When this is called, input_line_pointer will be pointing at the
3388 value field of the stab.
3390 .stabs directives have five fields:
3391 "string" a string, encoding the type information.
3392 code a numeric code, defined in <stab.h>
3394 desc a zero or line number
3395 value a numeric value or an address.
3397 If the value is relocatable, we transform this into:
3398 iss points as an index into string space
3399 value value from lookup of the name
3400 st st from lookup of the name
3401 sc sc from lookup of the name
3402 index code|CODE_MASK
3404 If the value is not relocatable, we transform this into:
3405 iss points as an index into string space
3409 index code|CODE_MASK
3411 .stabn directives have four fields (string is null):
3412 code a numeric code, defined in <stab.h>
3414 desc a zero or a line number
3415 value a numeric value or an address. */
3418 ecoff_stab (segT sec ATTRIBUTE_UNUSED,
3425 efdr_t *save_file_ptr = cur_file_ptr;
3432 localsym_t *hold = NULL;
3434 ecoff_debugging_seen = 1;
3436 /* We don't handle .stabd. */
3437 if (what != 's' && what != 'n')
3439 as_bad (_(".stab%c is not supported"), what);
3443 /* A .stabn uses a null name, not an empty string. */
3447 /* We ignore the other field. */
3449 as_warn (_(".stab%c: ignoring non-zero other field"), what);
3451 /* Make sure we have a current file. */
3452 if (cur_file_ptr == (efdr_t *) NULL)
3454 add_file ((const char *) NULL, 0, 1);
3455 save_file_ptr = cur_file_ptr;
3458 /* For stabs in ECOFF, the first symbol must be @stabs. This is a
3460 if (stabs_seen == 0)
3463 /* Line number stabs are handled differently, since they have two
3464 values, the line number and the address of the label. We use the
3465 index field (aka desc) to hold the line number, and the value
3466 field to hold the address. The symbol type is st_Label, which
3467 should be different from the other stabs, so that gdb can
3469 if (type == N_SLINE)
3477 listing_source_line ((unsigned int) desc);
3480 dummy_symr.index = desc;
3481 if (dummy_symr.index != desc)
3483 as_warn (_("line number (%d) for .stab%c directive cannot fit in index field (20 bits)"),
3488 name = input_line_pointer;
3489 name_end = get_symbol_end ();
3491 sym = symbol_find_or_make (name);
3492 *input_line_pointer = name_end;
3503 if (listing && (type == N_SO || type == N_SOL))
3504 listing_source_file (string);
3507 if (ISDIGIT (*input_line_pointer)
3508 || *input_line_pointer == '-'
3509 || *input_line_pointer == '+')
3513 sym = (symbolS *) NULL;
3514 value = get_absolute_expression ();
3517 else if (! is_name_beginner ((unsigned char) *input_line_pointer))
3519 as_warn (_("illegal .stab%c directive, bad character"), what);
3530 if (exp.X_op == O_constant)
3533 value = exp.X_add_number;
3536 else if (exp.X_op == O_symbol)
3538 sym = exp.X_add_symbol;
3540 addend = exp.X_add_number;
3544 sym = make_expr_symbol (&exp);
3550 indx = ECOFF_MARK_STAB (type);
3553 /* Don't store the stabs symbol we are creating as the type of the
3554 ECOFF symbol. We want to compute the type of the ECOFF symbol
3556 if (sym != (symbolS *) NULL)
3557 hold = symbol_get_obj (sym)->ecoff_symbol;
3559 (void) add_ecoff_symbol (string, st, sc, sym, addend, value, indx);
3561 if (sym != (symbolS *) NULL)
3562 symbol_get_obj (sym)->ecoff_symbol = hold;
3564 /* Restore normal file type. */
3565 cur_file_ptr = save_file_ptr;
3568 /* Frob an ECOFF symbol. Small common symbols go into a special
3569 .scommon section rather than bfd_com_section. */
3572 ecoff_frob_symbol (symbolS *sym)
3574 if (S_IS_COMMON (sym)
3575 && S_GET_VALUE (sym) > 0
3576 && S_GET_VALUE (sym) <= bfd_get_gp_size (stdoutput))
3578 static asection scom_section;
3579 static asymbol scom_symbol;
3581 /* We must construct a fake section similar to bfd_com_section
3582 but with the name .scommon. */
3583 if (scom_section.name == NULL)
3585 scom_section = bfd_com_section;
3586 scom_section.name = ".scommon";
3587 scom_section.output_section = &scom_section;
3588 scom_section.symbol = &scom_symbol;
3589 scom_section.symbol_ptr_ptr = &scom_section.symbol;
3590 scom_symbol = *bfd_com_section.symbol;
3591 scom_symbol.name = ".scommon";
3592 scom_symbol.section = &scom_section;
3594 S_SET_SEGMENT (sym, &scom_section);
3597 /* Double check weak symbols. */
3598 if (S_IS_WEAK (sym))
3600 if (S_IS_COMMON (sym))
3601 as_bad (_("symbol `%s' can not be both weak and common"),
3606 /* Add bytes to the symbolic information buffer. */
3609 ecoff_add_bytes (char **buf,
3618 need -= *bufend - bufptr;
3619 if (need < PAGE_SIZE)
3621 want = (*bufend - *buf) + need;
3622 *buf = xrealloc (*buf, want);
3623 *bufend = *buf + want;
3627 /* Adjust the symbolic information buffer to the alignment required
3628 for the ECOFF target debugging information. */
3630 static unsigned long
3631 ecoff_padding_adjust (const struct ecoff_debug_swap *backend,
3634 unsigned long offset,
3637 bfd_size_type align;
3639 align = backend->debug_align;
3640 if ((offset & (align - 1)) != 0)
3644 add = align - (offset & (align - 1));
3645 if ((unsigned long) (*bufend - (*buf + offset)) < add)
3646 (void) ecoff_add_bytes (buf, bufend, *buf + offset, add);
3647 memset (*buf + offset, 0, add);
3649 if (bufptrptr != (char **) NULL)
3650 *bufptrptr = *buf + offset;
3656 /* Build the line number information. */
3658 static unsigned long
3659 ecoff_build_lineno (const struct ecoff_debug_swap *backend,
3662 unsigned long offset,
3666 register lineno_list_t *l;
3667 lineno_list_t *last;
3673 lineno_list_t first;
3674 lineno_list_t *local_first_lineno = first_lineno;
3676 if (linecntptr != (long *) NULL)
3679 bufptr = *buf + offset;
3681 file = (efdr_t *) NULL;
3682 proc = (proc_t *) NULL;
3683 last = (lineno_list_t *) NULL;
3688 /* For some reason the address of the first procedure is ignored
3689 when reading line numbers. This doesn't matter if the address of
3690 the first procedure is 0, but when gcc is generating MIPS
3691 embedded PIC code, it will put strings in the .text section
3692 before the first procedure. We cope by inserting a dummy line if
3693 the address of the first procedure is not 0. Hopefully this
3694 won't screw things up too badly.
3696 Don't do this for ECOFF assembly source line numbers. They work
3697 without this extra attention. */
3698 if (debug_type != DEBUG_ECOFF
3699 && first_proc_ptr != (proc_t *) NULL
3700 && local_first_lineno != (lineno_list_t *) NULL
3701 && ((S_GET_VALUE (first_proc_ptr->sym->as_sym)
3702 + bfd_get_section_vma (stdoutput,
3703 S_GET_SEGMENT (first_proc_ptr->sym->as_sym)))
3706 first.file = local_first_lineno->file;
3707 first.proc = local_first_lineno->proc;
3708 first.frag = &zero_address_frag;
3712 first.next = local_first_lineno;
3713 local_first_lineno = &first;
3716 for (l = local_first_lineno; l != (lineno_list_t *) NULL; l = l->next)
3721 /* Get the offset to the memory address of the next line number
3722 (in words). Do this first, so that we can skip ahead to the
3723 next useful line number entry. */
3724 if (l->next == (lineno_list_t *) NULL)
3726 /* We want a count of zero, but it will be decremented
3727 before it is used. */
3730 else if (l->next->frag->fr_address + l->next->paddr
3731 > l->frag->fr_address + l->paddr)
3733 count = ((l->next->frag->fr_address + l->next->paddr
3734 - (l->frag->fr_address + l->paddr))
3739 /* Don't change last, so we still get the right delta. */
3743 if (l->file != file || l->proc != proc)
3745 if (l->proc != proc && proc != (proc_t *) NULL)
3746 proc->pdr.lnHigh = last->lineno;
3747 if (l->file != file && file != (efdr_t *) NULL)
3749 file->fdr.cbLine = c - file->fdr.cbLineOffset;
3750 file->fdr.cline = totcount + count;
3751 if (linecntptr != (long *) NULL)
3752 *linecntptr += totcount + count;
3756 if (l->file != file)
3758 efdr_t *last_file = file;
3761 if (last_file != (efdr_t *) NULL)
3763 = last_file->fdr.ilineBase + last_file->fdr.cline;
3765 file->fdr.ilineBase = 0;
3766 file->fdr.cbLineOffset = c;
3768 if (l->proc != proc)
3771 if (proc != (proc_t *) NULL)
3773 proc->pdr.lnLow = l->lineno;
3774 proc->pdr.cbLineOffset = c - file->fdr.cbLineOffset;
3775 proc->pdr.iline = totcount;
3779 last = (lineno_list_t *) NULL;
3784 /* Get the offset to this line number. */
3785 if (last == (lineno_list_t *) NULL)
3788 delta = l->lineno - last->lineno;
3790 /* Put in the offset to this line number. */
3795 /* 1 is added to each count read. */
3797 /* We can only adjust the word count by up to 15 words at a
3809 if (delta >= -7 && delta <= 7)
3811 if (bufptr >= *bufend)
3812 bufptr = ecoff_add_bytes (buf, bufend, bufptr, (long) 1);
3813 *bufptr++ = setcount + (delta << 4);
3821 if (*bufend - bufptr < 3)
3822 bufptr = ecoff_add_bytes (buf, bufend, bufptr, (long) 3);
3823 *bufptr++ = setcount + (8 << 4);
3824 if (delta < -0x8000)
3829 else if (delta > 0x7fff)
3839 *bufptr++ = set >> 8;
3840 *bufptr++ = set & 0xffff;
3845 /* Finish adjusting the count. */
3848 if (bufptr >= *bufend)
3849 bufptr = ecoff_add_bytes (buf, bufend, bufptr, (long) 1);
3850 /* 1 is added to each count read. */
3869 if (proc != (proc_t *) NULL)
3870 proc->pdr.lnHigh = last->lineno;
3871 if (file != (efdr_t *) NULL)
3873 file->fdr.cbLine = c - file->fdr.cbLineOffset;
3874 file->fdr.cline = totcount;
3877 if (linecntptr != (long *) NULL)
3878 *linecntptr += totcount;
3880 c = ecoff_padding_adjust (backend, buf, bufend, c, &bufptr);
3885 /* Build and swap out the symbols. */
3887 static unsigned long
3888 ecoff_build_symbols (const struct ecoff_debug_swap *backend,
3891 unsigned long offset)
3893 const bfd_size_type external_sym_size = backend->external_sym_size;
3894 void (* const swap_sym_out) (bfd *, const SYMR *, PTR)
3895 = backend->swap_sym_out;
3898 vlinks_t *file_link;
3900 sym_out = *buf + offset;
3904 /* The symbols are stored by file. */
3905 for (file_link = file_desc.first;
3906 file_link != (vlinks_t *) NULL;
3907 file_link = file_link->next)
3914 if (file_link->next == (vlinks_t *) NULL)
3915 fil_cnt = file_desc.objects_last_page;
3917 fil_cnt = file_desc.objects_per_page;
3918 fil_ptr = file_link->datum->file;
3919 fil_end = fil_ptr + fil_cnt;
3920 for (; fil_ptr < fil_end; fil_ptr++)
3924 fil_ptr->fdr.isymBase = isym;
3926 for (sym_link = fil_ptr->symbols.first;
3927 sym_link != (vlinks_t *) NULL;
3928 sym_link = sym_link->next)
3931 localsym_t *sym_ptr;
3932 localsym_t *sym_end;
3934 if (sym_link->next == (vlinks_t *) NULL)
3935 sym_cnt = fil_ptr->symbols.objects_last_page;
3937 sym_cnt = fil_ptr->symbols.objects_per_page;
3938 sym_ptr = sym_link->datum->sym;
3939 sym_end = sym_ptr + sym_cnt;
3940 for (; sym_ptr < sym_end; sym_ptr++)
3946 know (sym_ptr->file_ptr == fil_ptr);
3948 /* If there is no associated gas symbol, then this
3949 is a pure debugging symbol. We have already
3950 added the name (if any) to fil_ptr->strings.
3951 Otherwise we must decide whether this is an
3952 external or a local symbol (actually, it may be
3953 both if the local provides additional debugging
3954 information for the external). */
3956 as_sym = sym_ptr->as_sym;
3957 if (as_sym != (symbolS *) NULL)
3961 /* The value of a block start symbol is the
3962 offset from the start of the procedure. For
3963 other symbols we just use the gas value (but
3964 we must offset it by the vma of the section,
3965 just as BFD does, because BFD will not see
3967 if (sym_ptr->ecoff_sym.asym.st == (int) st_Block
3968 && sym_ptr->ecoff_sym.asym.sc == (int) sc_Text)
3972 know (sym_ptr->proc_ptr != (proc_t *) NULL);
3973 begin_sym = sym_ptr->proc_ptr->sym->as_sym;
3974 if (S_GET_SEGMENT (as_sym)
3975 != S_GET_SEGMENT (begin_sym))
3976 as_warn (_(".begin/.bend in different segments"));
3977 sym_ptr->ecoff_sym.asym.value =
3978 S_GET_VALUE (as_sym) - S_GET_VALUE (begin_sym);
3981 sym_ptr->ecoff_sym.asym.value =
3982 (S_GET_VALUE (as_sym)
3983 + bfd_get_section_vma (stdoutput,
3984 S_GET_SEGMENT (as_sym))
3987 sym_ptr->ecoff_sym.weakext = S_IS_WEAK (as_sym);
3989 /* Set st_Proc to st_StaticProc for local
3991 if (sym_ptr->ecoff_sym.asym.st == st_Proc
3992 && S_IS_DEFINED (as_sym)
3993 && ! S_IS_EXTERNAL (as_sym)
3994 && ! S_IS_WEAK (as_sym))
3995 sym_ptr->ecoff_sym.asym.st = st_StaticProc;
3997 /* Get the type and storage class based on where
3998 the symbol actually wound up. Traditionally,
3999 N_LBRAC and N_RBRAC are *not* relocated. */
4000 indx = sym_ptr->ecoff_sym.asym.index;
4001 if (sym_ptr->ecoff_sym.asym.st == st_Nil
4002 && sym_ptr->ecoff_sym.asym.sc == sc_Nil
4003 && (! ECOFF_IS_STAB (&sym_ptr->ecoff_sym.asym)
4004 || ((ECOFF_UNMARK_STAB (indx) != N_LBRAC)
4005 && (ECOFF_UNMARK_STAB (indx) != N_RBRAC))))
4008 const char *segname;
4012 seg = S_GET_SEGMENT (as_sym);
4013 segname = segment_name (seg);
4015 if (! ECOFF_IS_STAB (&sym_ptr->ecoff_sym.asym)
4016 && (S_IS_EXTERNAL (as_sym)
4017 || S_IS_WEAK (as_sym)
4018 || ! S_IS_DEFINED (as_sym)))
4020 if ((symbol_get_bfdsym (as_sym)->flags
4021 & BSF_FUNCTION) != 0)
4026 else if (seg == text_section)
4031 if (! S_IS_DEFINED (as_sym))
4035 s = symbol_get_obj (as_sym)->ecoff_extern_size;
4037 || s > bfd_get_gp_size (stdoutput))
4042 sym_ptr->ecoff_sym.asym.value = s;
4045 S_SET_SIZE (as_sym, s);
4048 else if (S_IS_COMMON (as_sym))
4050 if (S_GET_VALUE (as_sym) > 0
4051 && (S_GET_VALUE (as_sym)
4052 <= bfd_get_gp_size (stdoutput)))
4057 else if (seg == text_section)
4059 else if (seg == data_section)
4061 else if (strcmp (segname, ".rdata") == 0
4062 || strcmp (segname, ".rodata") == 0)
4064 else if (strcmp (segname, ".sdata") == 0)
4066 else if (seg == bss_section)
4068 else if (strcmp (segname, ".sbss") == 0)
4070 else if (seg == &bfd_abs_section)
4074 /* This must be a user named section.
4075 This is not possible in ECOFF, but it
4080 sym_ptr->ecoff_sym.asym.st = (int) st;
4081 sym_ptr->ecoff_sym.asym.sc = (int) sc;
4084 /* This is just an external symbol if it is
4085 outside a procedure and it has a type.
4086 FIXME: g++ will generate symbols which have
4087 different names in the debugging information
4088 than the actual symbol. Should we handle
4090 if ((S_IS_EXTERNAL (as_sym)
4091 || S_IS_WEAK (as_sym)
4092 || ! S_IS_DEFINED (as_sym))
4093 && sym_ptr->proc_ptr == (proc_t *) NULL
4094 && sym_ptr->ecoff_sym.asym.st != (int) st_Nil
4095 && ! ECOFF_IS_STAB (&sym_ptr->ecoff_sym.asym))
4098 /* This is just an external symbol if it is a
4100 if (S_IS_COMMON (as_sym))
4103 /* If an st_end symbol has an associated gas
4104 symbol, then it is a local label created for
4105 a .bend or .end directive. Stabs line
4106 numbers will have \001 in the names. */
4108 && sym_ptr->ecoff_sym.asym.st != st_End
4109 && strchr (sym_ptr->name, '\001') == 0)
4110 sym_ptr->ecoff_sym.asym.iss =
4111 add_string (&fil_ptr->strings,
4117 /* We now know the index of this symbol; fill in
4118 locations that have been waiting for that
4120 if (sym_ptr->begin_ptr != (localsym_t *) NULL)
4122 localsym_t *begin_ptr;
4126 begin_ptr = sym_ptr->begin_ptr;
4127 know (begin_ptr->sym_index != -1);
4128 sym_ptr->ecoff_sym.asym.index = begin_ptr->sym_index;
4129 if (sym_ptr->ecoff_sym.asym.sc != (int) sc_Info)
4130 sym_ptr->ecoff_sym.asym.iss =
4131 begin_ptr->ecoff_sym.asym.iss;
4133 begin_type = begin_ptr->ecoff_sym.asym.st;
4134 if (begin_type == st_File
4135 || begin_type == st_Block)
4137 begin_ptr->ecoff_sym.asym.index =
4138 isym - ifilesym + 1;
4139 (*swap_sym_out) (stdoutput,
4140 &begin_ptr->ecoff_sym.asym,
4143 + (begin_ptr->sym_index
4144 * external_sym_size)));
4148 know (begin_ptr->index_ptr != (aux_t *) NULL);
4149 begin_ptr->index_ptr->data.isym =
4150 isym - ifilesym + 1;
4153 /* The value of the symbol marking the end of a
4154 procedure is the size of the procedure. The
4155 value of the symbol marking the end of a
4156 block is the offset from the start of the
4157 procedure to the block. */
4158 if (begin_type == st_Proc
4159 || begin_type == st_StaticProc)
4161 know (as_sym != (symbolS *) NULL);
4162 know (begin_ptr->as_sym != (symbolS *) NULL);
4163 if (S_GET_SEGMENT (as_sym)
4164 != S_GET_SEGMENT (begin_ptr->as_sym))
4165 as_warn (_(".begin/.bend in different segments"));
4166 sym_ptr->ecoff_sym.asym.value =
4167 (S_GET_VALUE (as_sym)
4168 - S_GET_VALUE (begin_ptr->as_sym));
4170 /* If the size is odd, this is probably a
4171 mips16 function; force it to be even. */
4172 if ((sym_ptr->ecoff_sym.asym.value & 1) != 0)
4173 ++sym_ptr->ecoff_sym.asym.value;
4176 S_SET_SIZE (begin_ptr->as_sym,
4177 sym_ptr->ecoff_sym.asym.value);
4180 else if (begin_type == st_Block
4181 && sym_ptr->ecoff_sym.asym.sc != (int) sc_Info)
4185 know (as_sym != (symbolS *) NULL);
4186 know (sym_ptr->proc_ptr != (proc_t *) NULL);
4187 begin_sym = sym_ptr->proc_ptr->sym->as_sym;
4188 if (S_GET_SEGMENT (as_sym)
4189 != S_GET_SEGMENT (begin_sym))
4190 as_warn (_(".begin/.bend in different segments"));
4191 sym_ptr->ecoff_sym.asym.value =
4192 S_GET_VALUE (as_sym) - S_GET_VALUE (begin_sym);
4196 for (f = sym_ptr->forward_ref;
4197 f != (forward_t *) NULL;
4201 f->ifd_ptr->data.isym = fil_ptr->file_index;
4202 f->index_ptr->data.rndx.index = isym - ifilesym;
4207 if ((bfd_size_type)(*bufend - sym_out) < external_sym_size)
4208 sym_out = ecoff_add_bytes (buf, bufend,
4211 (*swap_sym_out) (stdoutput, &sym_ptr->ecoff_sym.asym,
4213 sym_out += external_sym_size;
4215 sym_ptr->sym_index = isym;
4217 if (sym_ptr->proc_ptr != (proc_t *) NULL
4218 && sym_ptr->proc_ptr->sym == sym_ptr)
4219 sym_ptr->proc_ptr->pdr.isym = isym - ifilesym;
4224 /* Record the local symbol index and file number in
4225 case this is an external symbol. Note that this
4226 destroys the asym.index field. */
4227 if (as_sym != (symbolS *) NULL
4228 && symbol_get_obj (as_sym)->ecoff_symbol == sym_ptr)
4230 if ((sym_ptr->ecoff_sym.asym.st == st_Proc
4231 || sym_ptr->ecoff_sym.asym.st == st_StaticProc)
4233 sym_ptr->ecoff_sym.asym.index = isym - ifilesym - 1;
4234 sym_ptr->ecoff_sym.ifd = fil_ptr->file_index;
4236 /* Don't try to merge an FDR which has an
4237 external symbol attached to it. */
4238 if (S_IS_EXTERNAL (as_sym) || S_IS_WEAK (as_sym))
4239 fil_ptr->fdr.fMerge = 0;
4243 fil_ptr->fdr.csym = isym - fil_ptr->fdr.isymBase;
4247 return offset + isym * external_sym_size;
4250 /* Swap out the procedure information. */
4252 static unsigned long
4253 ecoff_build_procs (const struct ecoff_debug_swap *backend,
4256 unsigned long offset)
4258 const bfd_size_type external_pdr_size = backend->external_pdr_size;
4259 void (* const swap_pdr_out) (bfd *, const PDR *, PTR)
4260 = backend->swap_pdr_out;
4263 vlinks_t *file_link;
4265 pdr_out = *buf + offset;
4269 /* The procedures are stored by file. */
4270 for (file_link = file_desc.first;
4271 file_link != (vlinks_t *) NULL;
4272 file_link = file_link->next)
4278 if (file_link->next == (vlinks_t *) NULL)
4279 fil_cnt = file_desc.objects_last_page;
4281 fil_cnt = file_desc.objects_per_page;
4282 fil_ptr = file_link->datum->file;
4283 fil_end = fil_ptr + fil_cnt;
4284 for (; fil_ptr < fil_end; fil_ptr++)
4286 vlinks_t *proc_link;
4289 fil_ptr->fdr.ipdFirst = iproc;
4291 for (proc_link = fil_ptr->procs.first;
4292 proc_link != (vlinks_t *) NULL;
4293 proc_link = proc_link->next)
4299 if (proc_link->next == (vlinks_t *) NULL)
4300 prc_cnt = fil_ptr->procs.objects_last_page;
4302 prc_cnt = fil_ptr->procs.objects_per_page;
4303 proc_ptr = proc_link->datum->proc;
4304 proc_end = proc_ptr + prc_cnt;
4305 for (; proc_ptr < proc_end; proc_ptr++)
4310 adr_sym = proc_ptr->sym->as_sym;
4311 adr = (S_GET_VALUE (adr_sym)
4312 + bfd_get_section_vma (stdoutput,
4313 S_GET_SEGMENT (adr_sym)));
4316 /* This code used to force the adr of the very
4317 first fdr to be 0. However, the native tools
4318 don't do that, and I can't remember why it
4319 used to work that way, so I took it out. */
4320 fil_ptr->fdr.adr = adr;
4323 proc_ptr->pdr.adr = adr - fil_ptr->fdr.adr;
4324 if ((bfd_size_type)(*bufend - pdr_out) < external_pdr_size)
4325 pdr_out = ecoff_add_bytes (buf, bufend,
4328 (*swap_pdr_out) (stdoutput, &proc_ptr->pdr, pdr_out);
4329 pdr_out += external_pdr_size;
4333 fil_ptr->fdr.cpd = iproc - fil_ptr->fdr.ipdFirst;
4337 return offset + iproc * external_pdr_size;
4340 /* Swap out the aux information. */
4342 static unsigned long
4343 ecoff_build_aux (const struct ecoff_debug_swap *backend,
4346 unsigned long offset)
4349 union aux_ext *aux_out;
4351 vlinks_t *file_link;
4353 bigendian = bfd_big_endian (stdoutput);
4355 aux_out = (union aux_ext *) (*buf + offset);
4359 /* The aux entries are stored by file. */
4360 for (file_link = file_desc.first;
4361 file_link != (vlinks_t *) NULL;
4362 file_link = file_link->next)
4368 if (file_link->next == (vlinks_t *) NULL)
4369 fil_cnt = file_desc.objects_last_page;
4371 fil_cnt = file_desc.objects_per_page;
4372 fil_ptr = file_link->datum->file;
4373 fil_end = fil_ptr + fil_cnt;
4374 for (; fil_ptr < fil_end; fil_ptr++)
4378 fil_ptr->fdr.fBigendian = bigendian;
4379 fil_ptr->fdr.iauxBase = iaux;
4380 for (aux_link = fil_ptr->aux_syms.first;
4381 aux_link != (vlinks_t *) NULL;
4382 aux_link = aux_link->next)
4388 if (aux_link->next == (vlinks_t *) NULL)
4389 aux_cnt = fil_ptr->aux_syms.objects_last_page;
4391 aux_cnt = fil_ptr->aux_syms.objects_per_page;
4392 aux_ptr = aux_link->datum->aux;
4393 aux_end = aux_ptr + aux_cnt;
4394 for (; aux_ptr < aux_end; aux_ptr++)
4396 if ((unsigned long) (*bufend - (char *) aux_out)
4397 < sizeof (union aux_ext))
4398 aux_out = ((union aux_ext *)
4399 ecoff_add_bytes (buf, bufend,
4401 sizeof (union aux_ext)));
4402 switch (aux_ptr->type)
4405 (*backend->swap_tir_out) (bigendian,
4410 (*backend->swap_rndx_out) (bigendian,
4411 &aux_ptr->data.rndx,
4415 AUX_PUT_DNLOW (bigendian, aux_ptr->data.dnLow,
4419 AUX_PUT_DNHIGH (bigendian, aux_ptr->data.dnHigh,
4423 AUX_PUT_ISYM (bigendian, aux_ptr->data.isym,
4427 AUX_PUT_ISS (bigendian, aux_ptr->data.iss,
4431 AUX_PUT_WIDTH (bigendian, aux_ptr->data.width,
4435 AUX_PUT_COUNT (bigendian, aux_ptr->data.count,
4444 fil_ptr->fdr.caux = iaux - fil_ptr->fdr.iauxBase;
4448 return ecoff_padding_adjust (backend, buf, bufend,
4449 offset + iaux * sizeof (union aux_ext),
4453 /* Copy out the strings from a varray_t. This returns the number of
4454 bytes copied, rather than the new offset. */
4456 static unsigned long
4457 ecoff_build_strings (char **buf,
4459 unsigned long offset,
4466 str_out = *buf + offset;
4470 for (str_link = vp->first;
4471 str_link != (vlinks_t *) NULL;
4472 str_link = str_link->next)
4474 unsigned long str_cnt;
4476 if (str_link->next == (vlinks_t *) NULL)
4477 str_cnt = vp->objects_last_page;
4479 str_cnt = vp->objects_per_page;
4481 if ((unsigned long)(*bufend - str_out) < str_cnt)
4482 str_out = ecoff_add_bytes (buf, bufend, str_out, str_cnt);
4484 memcpy (str_out, str_link->datum->byte, str_cnt);
4492 /* Dump out the local strings. */
4494 static unsigned long
4495 ecoff_build_ss (const struct ecoff_debug_swap *backend,
4498 unsigned long offset)
4501 vlinks_t *file_link;
4505 for (file_link = file_desc.first;
4506 file_link != (vlinks_t *) NULL;
4507 file_link = file_link->next)
4513 if (file_link->next == (vlinks_t *) NULL)
4514 fil_cnt = file_desc.objects_last_page;
4516 fil_cnt = file_desc.objects_per_page;
4517 fil_ptr = file_link->datum->file;
4518 fil_end = fil_ptr + fil_cnt;
4519 for (; fil_ptr < fil_end; fil_ptr++)
4523 fil_ptr->fdr.issBase = iss;
4524 ss_cnt = ecoff_build_strings (buf, bufend, offset + iss,
4526 fil_ptr->fdr.cbSs = ss_cnt;
4531 return ecoff_padding_adjust (backend, buf, bufend, offset + iss,
4535 /* Swap out the file descriptors. */
4537 static unsigned long
4538 ecoff_build_fdr (const struct ecoff_debug_swap *backend,
4541 unsigned long offset)
4543 const bfd_size_type external_fdr_size = backend->external_fdr_size;
4544 void (* const swap_fdr_out) (bfd *, const FDR *, PTR)
4545 = backend->swap_fdr_out;
4548 vlinks_t *file_link;
4552 fdr_out = *buf + offset;
4554 for (file_link = file_desc.first;
4555 file_link != (vlinks_t *) NULL;
4556 file_link = file_link->next)
4562 if (file_link->next == (vlinks_t *) NULL)
4563 fil_cnt = file_desc.objects_last_page;
4565 fil_cnt = file_desc.objects_per_page;
4566 fil_ptr = file_link->datum->file;
4567 fil_end = fil_ptr + fil_cnt;
4568 for (; fil_ptr < fil_end; fil_ptr++)
4570 if ((bfd_size_type)(*bufend - fdr_out) < external_fdr_size)
4571 fdr_out = ecoff_add_bytes (buf, bufend, fdr_out,
4573 (*swap_fdr_out) (stdoutput, &fil_ptr->fdr, fdr_out);
4574 fdr_out += external_fdr_size;
4579 return offset + ifile * external_fdr_size;
4582 /* Set up the external symbols. These are supposed to be handled by
4583 the backend. This routine just gets the right information and
4584 calls a backend function to deal with it. */
4587 ecoff_setup_ext (void)
4589 register symbolS *sym;
4591 for (sym = symbol_rootP; sym != (symbolS *) NULL; sym = symbol_next (sym))
4593 if (symbol_get_obj (sym)->ecoff_symbol == NULL)
4596 /* If this is a local symbol, then force the fields to zero. */
4597 if (! S_IS_EXTERNAL (sym)
4598 && ! S_IS_WEAK (sym)
4599 && S_IS_DEFINED (sym))
4601 struct localsym *lsym;
4603 lsym = symbol_get_obj (sym)->ecoff_symbol;
4604 lsym->ecoff_sym.asym.value = 0;
4605 lsym->ecoff_sym.asym.st = (int) st_Nil;
4606 lsym->ecoff_sym.asym.sc = (int) sc_Nil;
4607 lsym->ecoff_sym.asym.index = indexNil;
4610 obj_ecoff_set_ext (sym, &symbol_get_obj (sym)->ecoff_symbol->ecoff_sym);
4614 /* Build the ECOFF debugging information. */
4617 ecoff_build_debug (HDRR *hdr,
4619 const struct ecoff_debug_swap *backend)
4621 const bfd_size_type external_pdr_size = backend->external_pdr_size;
4626 efdr_t *hold_file_ptr;
4627 proc_t *hold_proc_ptr;
4631 unsigned long offset;
4633 /* Make sure we have a file. */
4634 if (first_file == (efdr_t *) NULL)
4635 add_file ((const char *) NULL, 0, 1);
4637 /* Handle any top level tags. */
4638 for (ptag = top_tag_head->first_tag;
4639 ptag != (tag_t *) NULL;
4642 if (ptag->forward_ref != (forward_t *) NULL)
4643 add_unknown_tag (ptag);
4645 ptag_next = ptag->same_block;
4646 ptag->hash_ptr->tag_ptr = ptag->same_name;
4650 free_thead (top_tag_head);
4652 /* Look through the symbols. Add debugging information for each
4653 symbol that has not already received it. */
4654 hold_file_ptr = cur_file_ptr;
4655 hold_proc_ptr = cur_proc_ptr;
4656 cur_proc_ptr = (proc_t *) NULL;
4657 for (sym = symbol_rootP; sym != (symbolS *) NULL; sym = symbol_next (sym))
4659 if (symbol_get_obj (sym)->ecoff_symbol != NULL
4660 || symbol_get_obj (sym)->ecoff_file == (efdr_t *) NULL
4661 || (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0)
4664 cur_file_ptr = symbol_get_obj (sym)->ecoff_file;
4665 add_ecoff_symbol ((const char *) NULL, st_Nil, sc_Nil, sym,
4666 (bfd_vma) 0, S_GET_VALUE (sym), indexNil);
4668 cur_proc_ptr = hold_proc_ptr;
4669 cur_file_ptr = hold_file_ptr;
4671 /* Output an ending symbol for all the files. We have to do this
4672 here for the last file, so we may as well do it for all of the
4675 for (fil_ptr = first_file;
4676 fil_ptr != (efdr_t *) NULL;
4677 fil_ptr = fil_ptr->next_file)
4679 cur_file_ptr = fil_ptr;
4680 while (cur_file_ptr->cur_scope != (scope_t *) NULL
4681 && cur_file_ptr->cur_scope->prev != (scope_t *) NULL)
4683 cur_file_ptr->cur_scope = cur_file_ptr->cur_scope->prev;
4684 if (! end_warning && ! cur_file_ptr->fake)
4686 as_warn (_("missing .end or .bend at end of file"));
4690 if (cur_file_ptr->cur_scope != (scope_t *) NULL)
4691 (void) add_ecoff_symbol ((const char *) NULL,
4699 /* Build the symbolic information. */
4701 buf = xmalloc (PAGE_SIZE);
4702 bufend = buf + PAGE_SIZE;
4704 /* Build the line number information. */
4705 hdr->cbLineOffset = offset;
4706 offset = ecoff_build_lineno (backend, &buf, &bufend, offset,
4708 hdr->cbLine = offset - hdr->cbLineOffset;
4710 /* We don't use dense numbers at all. */
4712 hdr->cbDnOffset = 0;
4714 /* We can't build the PDR table until we have built the symbols,
4715 because a PDR contains a symbol index. However, we set aside
4716 space at this point. */
4717 hdr->ipdMax = proc_cnt;
4718 hdr->cbPdOffset = offset;
4719 if ((bfd_size_type)(bufend - (buf + offset)) < proc_cnt * external_pdr_size)
4720 (void) ecoff_add_bytes (&buf, &bufend, buf + offset,
4721 proc_cnt * external_pdr_size);
4722 offset += proc_cnt * external_pdr_size;
4724 /* Build the local symbols. */
4725 hdr->cbSymOffset = offset;
4726 offset = ecoff_build_symbols (backend, &buf, &bufend, offset);
4727 hdr->isymMax = (offset - hdr->cbSymOffset) / backend->external_sym_size;
4729 /* Building the symbols initializes the symbol index in the PDR's.
4730 Now we can swap out the PDR's. */
4731 (void) ecoff_build_procs (backend, &buf, &bufend, hdr->cbPdOffset);
4733 /* We don't use optimization symbols. */
4735 hdr->cbOptOffset = 0;
4737 /* Swap out the auxiliary type information. */
4738 hdr->cbAuxOffset = offset;
4739 offset = ecoff_build_aux (backend, &buf, &bufend, offset);
4740 hdr->iauxMax = (offset - hdr->cbAuxOffset) / sizeof (union aux_ext);
4742 /* Copy out the local strings. */
4743 hdr->cbSsOffset = offset;
4744 offset = ecoff_build_ss (backend, &buf, &bufend, offset);
4745 hdr->issMax = offset - hdr->cbSsOffset;
4747 /* We don't use relative file descriptors. */
4749 hdr->cbRfdOffset = 0;
4751 /* Swap out the file descriptors. */
4752 hdr->cbFdOffset = offset;
4753 offset = ecoff_build_fdr (backend, &buf, &bufend, offset);
4754 hdr->ifdMax = (offset - hdr->cbFdOffset) / backend->external_fdr_size;
4756 /* Set up the external symbols, which are handled by the BFD back
4759 hdr->cbSsExtOffset = 0;
4761 hdr->cbExtOffset = 0;
4764 know ((offset & (backend->debug_align - 1)) == 0);
4766 /* FIXME: This value should be determined from the .verstamp directive,
4767 with reasonable defaults in config files. */
4769 hdr->vstamp = 0x030b;
4771 hdr->vstamp = 0x020b;
4778 /* Allocate a cluster of pages. */
4780 #ifndef MALLOC_CHECK
4783 allocate_cluster (unsigned long npages)
4785 register page_type *value = (page_type *) xmalloc (npages * PAGE_USIZE);
4789 fprintf (stderr, "\talloc\tnpages = %d, value = 0x%.8x\n", npages, value);
4792 memset (value, 0, npages * PAGE_USIZE);
4797 static page_type *cluster_ptr = NULL;
4798 static unsigned long pages_left = 0;
4800 #endif /* MALLOC_CHECK */
4802 /* Allocate one page (which is initialized to 0). */
4805 allocate_page (void)
4807 #ifndef MALLOC_CHECK
4809 if (pages_left == 0)
4811 pages_left = MAX_CLUSTER_PAGES;
4812 cluster_ptr = allocate_cluster (pages_left);
4816 return cluster_ptr++;
4818 #else /* MALLOC_CHECK */
4822 ptr = xmalloc (PAGE_USIZE);
4823 memset (ptr, 0, PAGE_USIZE);
4826 #endif /* MALLOC_CHECK */
4829 /* Allocate scoping information. */
4832 allocate_scope (void)
4834 register scope_t *ptr;
4835 static scope_t initial_scope;
4837 #ifndef MALLOC_CHECK
4839 ptr = alloc_counts[(int) alloc_type_scope].free_list.f_scope;
4840 if (ptr != (scope_t *) NULL)
4841 alloc_counts[(int) alloc_type_scope].free_list.f_scope = ptr->free;
4844 register int unallocated = alloc_counts[(int) alloc_type_scope].unallocated;
4845 register page_type *cur_page = alloc_counts[(int) alloc_type_scope].cur_page;
4847 if (unallocated == 0)
4849 unallocated = PAGE_SIZE / sizeof (scope_t);
4850 alloc_counts[(int) alloc_type_scope].cur_page = cur_page = allocate_page ();
4851 alloc_counts[(int) alloc_type_scope].total_pages++;
4854 ptr = &cur_page->scope[--unallocated];
4855 alloc_counts[(int) alloc_type_scope].unallocated = unallocated;
4860 ptr = (scope_t *) xmalloc (sizeof (scope_t));
4864 alloc_counts[(int) alloc_type_scope].total_alloc++;
4865 *ptr = initial_scope;
4869 /* Free scoping information. */
4872 free_scope (scope_t *ptr)
4874 alloc_counts[(int) alloc_type_scope].total_free++;
4876 #ifndef MALLOC_CHECK
4877 ptr->free = alloc_counts[(int) alloc_type_scope].free_list.f_scope;
4878 alloc_counts[(int) alloc_type_scope].free_list.f_scope = ptr;
4884 /* Allocate links for pages in a virtual array. */
4887 allocate_vlinks (void)
4889 register vlinks_t *ptr;
4890 static vlinks_t initial_vlinks;
4892 #ifndef MALLOC_CHECK
4894 register int unallocated = alloc_counts[(int) alloc_type_vlinks].unallocated;
4895 register page_type *cur_page = alloc_counts[(int) alloc_type_vlinks].cur_page;
4897 if (unallocated == 0)
4899 unallocated = PAGE_SIZE / sizeof (vlinks_t);
4900 alloc_counts[(int) alloc_type_vlinks].cur_page = cur_page = allocate_page ();
4901 alloc_counts[(int) alloc_type_vlinks].total_pages++;
4904 ptr = &cur_page->vlinks[--unallocated];
4905 alloc_counts[(int) alloc_type_vlinks].unallocated = unallocated;
4909 ptr = (vlinks_t *) xmalloc (sizeof (vlinks_t));
4913 alloc_counts[(int) alloc_type_vlinks].total_alloc++;
4914 *ptr = initial_vlinks;
4918 /* Allocate string hash buckets. */
4921 allocate_shash (void)
4923 register shash_t *ptr;
4924 static shash_t initial_shash;
4926 #ifndef MALLOC_CHECK
4928 register int unallocated = alloc_counts[(int) alloc_type_shash].unallocated;
4929 register page_type *cur_page = alloc_counts[(int) alloc_type_shash].cur_page;
4931 if (unallocated == 0)
4933 unallocated = PAGE_SIZE / sizeof (shash_t);
4934 alloc_counts[(int) alloc_type_shash].cur_page = cur_page = allocate_page ();
4935 alloc_counts[(int) alloc_type_shash].total_pages++;
4938 ptr = &cur_page->shash[--unallocated];
4939 alloc_counts[(int) alloc_type_shash].unallocated = unallocated;
4943 ptr = (shash_t *) xmalloc (sizeof (shash_t));
4947 alloc_counts[(int) alloc_type_shash].total_alloc++;
4948 *ptr = initial_shash;
4952 /* Allocate type hash buckets. */
4955 allocate_thash (void)
4957 register thash_t *ptr;
4958 static thash_t initial_thash;
4960 #ifndef MALLOC_CHECK
4962 register int unallocated = alloc_counts[(int) alloc_type_thash].unallocated;
4963 register page_type *cur_page = alloc_counts[(int) alloc_type_thash].cur_page;
4965 if (unallocated == 0)
4967 unallocated = PAGE_SIZE / sizeof (thash_t);
4968 alloc_counts[(int) alloc_type_thash].cur_page = cur_page = allocate_page ();
4969 alloc_counts[(int) alloc_type_thash].total_pages++;
4972 ptr = &cur_page->thash[--unallocated];
4973 alloc_counts[(int) alloc_type_thash].unallocated = unallocated;
4977 ptr = (thash_t *) xmalloc (sizeof (thash_t));
4981 alloc_counts[(int) alloc_type_thash].total_alloc++;
4982 *ptr = initial_thash;
4986 /* Allocate structure, union, or enum tag information. */
4991 register tag_t *ptr;
4992 static tag_t initial_tag;
4994 #ifndef MALLOC_CHECK
4996 ptr = alloc_counts[(int) alloc_type_tag].free_list.f_tag;
4997 if (ptr != (tag_t *) NULL)
4998 alloc_counts[(int) alloc_type_tag].free_list.f_tag = ptr->free;
5001 register int unallocated = alloc_counts[(int) alloc_type_tag].unallocated;
5002 register page_type *cur_page = alloc_counts[(int) alloc_type_tag].cur_page;
5004 if (unallocated == 0)
5006 unallocated = PAGE_SIZE / sizeof (tag_t);
5007 alloc_counts[(int) alloc_type_tag].cur_page = cur_page = allocate_page ();
5008 alloc_counts[(int) alloc_type_tag].total_pages++;
5011 ptr = &cur_page->tag[--unallocated];
5012 alloc_counts[(int) alloc_type_tag].unallocated = unallocated;
5017 ptr = (tag_t *) xmalloc (sizeof (tag_t));
5021 alloc_counts[(int) alloc_type_tag].total_alloc++;
5026 /* Free scoping information. */
5029 free_tag (tag_t *ptr)
5031 alloc_counts[(int) alloc_type_tag].total_free++;
5033 #ifndef MALLOC_CHECK
5034 ptr->free = alloc_counts[(int) alloc_type_tag].free_list.f_tag;
5035 alloc_counts[(int) alloc_type_tag].free_list.f_tag = ptr;
5041 /* Allocate forward reference to a yet unknown tag. */
5044 allocate_forward (void)
5046 register forward_t *ptr;
5047 static forward_t initial_forward;
5049 #ifndef MALLOC_CHECK
5051 register int unallocated = alloc_counts[(int) alloc_type_forward].unallocated;
5052 register page_type *cur_page = alloc_counts[(int) alloc_type_forward].cur_page;
5054 if (unallocated == 0)
5056 unallocated = PAGE_SIZE / sizeof (forward_t);
5057 alloc_counts[(int) alloc_type_forward].cur_page = cur_page = allocate_page ();
5058 alloc_counts[(int) alloc_type_forward].total_pages++;
5061 ptr = &cur_page->forward[--unallocated];
5062 alloc_counts[(int) alloc_type_forward].unallocated = unallocated;
5066 ptr = (forward_t *) xmalloc (sizeof (forward_t));
5070 alloc_counts[(int) alloc_type_forward].total_alloc++;
5071 *ptr = initial_forward;
5075 /* Allocate head of type hash list. */
5078 allocate_thead (void)
5080 register thead_t *ptr;
5081 static thead_t initial_thead;
5083 #ifndef MALLOC_CHECK
5085 ptr = alloc_counts[(int) alloc_type_thead].free_list.f_thead;
5086 if (ptr != (thead_t *) NULL)
5087 alloc_counts[(int) alloc_type_thead].free_list.f_thead = ptr->free;
5090 register int unallocated = alloc_counts[(int) alloc_type_thead].unallocated;
5091 register page_type *cur_page = alloc_counts[(int) alloc_type_thead].cur_page;
5093 if (unallocated == 0)
5095 unallocated = PAGE_SIZE / sizeof (thead_t);
5096 alloc_counts[(int) alloc_type_thead].cur_page = cur_page = allocate_page ();
5097 alloc_counts[(int) alloc_type_thead].total_pages++;
5100 ptr = &cur_page->thead[--unallocated];
5101 alloc_counts[(int) alloc_type_thead].unallocated = unallocated;
5106 ptr = (thead_t *) xmalloc (sizeof (thead_t));
5110 alloc_counts[(int) alloc_type_thead].total_alloc++;
5111 *ptr = initial_thead;
5115 /* Free scoping information. */
5118 free_thead (thead_t *ptr)
5120 alloc_counts[(int) alloc_type_thead].total_free++;
5122 #ifndef MALLOC_CHECK
5123 ptr->free = (thead_t *) alloc_counts[(int) alloc_type_thead].free_list.f_thead;
5124 alloc_counts[(int) alloc_type_thead].free_list.f_thead = ptr;
5130 static lineno_list_t *
5131 allocate_lineno_list (void)
5133 register lineno_list_t *ptr;
5134 static lineno_list_t initial_lineno_list;
5136 #ifndef MALLOC_CHECK
5138 register int unallocated = alloc_counts[(int) alloc_type_lineno].unallocated;
5139 register page_type *cur_page = alloc_counts[(int) alloc_type_lineno].cur_page;
5141 if (unallocated == 0)
5143 unallocated = PAGE_SIZE / sizeof (lineno_list_t);
5144 alloc_counts[(int) alloc_type_lineno].cur_page = cur_page = allocate_page ();
5145 alloc_counts[(int) alloc_type_lineno].total_pages++;
5148 ptr = &cur_page->lineno[--unallocated];
5149 alloc_counts[(int) alloc_type_lineno].unallocated = unallocated;
5153 ptr = (lineno_list_t *) xmalloc (sizeof (lineno_list_t));
5157 alloc_counts[(int) alloc_type_lineno].total_alloc++;
5158 *ptr = initial_lineno_list;
5163 ecoff_set_gp_prolog_size (int sz)
5165 if (cur_proc_ptr == 0)
5168 cur_proc_ptr->pdr.gp_prologue = sz;
5169 if (cur_proc_ptr->pdr.gp_prologue != sz)
5171 as_warn (_("GP prologue size exceeds field size, using 0 instead"));
5172 cur_proc_ptr->pdr.gp_prologue = 0;
5175 cur_proc_ptr->pdr.gp_used = 1;
5179 ecoff_no_current_file (void)
5181 return cur_file_ptr == (efdr_t *) NULL;
5185 ecoff_generate_asm_lineno (void)
5187 unsigned int lineno;
5189 lineno_list_t *list;
5191 as_where (&filename, &lineno);
5193 if (current_stabs_filename == (char *) NULL
5194 || strcmp (current_stabs_filename, filename))
5195 add_file (filename, 0, 1);
5197 list = allocate_lineno_list ();
5199 list->next = (lineno_list_t *) NULL;
5200 list->file = cur_file_ptr;
5201 list->proc = cur_proc_ptr;
5202 list->frag = frag_now;
5203 list->paddr = frag_now_fix ();
5204 list->lineno = lineno;
5206 /* We don't want to merge files which have line numbers. */
5207 cur_file_ptr->fdr.fMerge = 0;
5209 /* A .loc directive will sometimes appear before a .ent directive,
5210 which means that cur_proc_ptr will be NULL here. Arrange to
5212 if (cur_proc_ptr == (proc_t *) NULL)
5216 pl = &noproc_lineno;
5217 while (*pl != (lineno_list_t *) NULL)
5224 *last_lineno_ptr = list;
5225 last_lineno_ptr = &list->next;
5232 ecoff_generate_asm_lineno (void)
5236 #endif /* ECOFF_DEBUGGING */