1 /* ECOFF debugging support.
2 Copyright (C) 1993, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
4 This file was put together by Ian Lance Taylor <ian@cygnus.com>. A
5 good deal of it comes directly from mips-tfile.c, by Michael
6 Meissner <meissner@osf.org>.
8 This file is part of GAS.
10 GAS is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2, or (at your option)
15 GAS is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with GAS; see the file COPYING. If not, write to the Free
22 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
27 /* This file is compiled conditionally for those targets which use
28 ECOFF debugging information (e.g., MIPS ECOFF, MIPS ELF, Alpha
31 #ifdef ECOFF_DEBUGGING
33 #include "coff/internal.h"
34 #include "coff/symconst.h"
36 #include "aout/stab_gnu.h"
40 /* Why isn't this in coff/sym.h? */
41 #define ST_RFDESCAPE 0xfff
43 /* This file constructs the information used by the ECOFF debugging
44 format. It just builds a large block of data.
46 We support both ECOFF style debugging and stabs debugging (the
47 stabs symbols are encapsulated in ECOFF symbols). This should let
48 us handle anything the compiler might throw at us. */
50 /* Here is a brief description of the MIPS ECOFF symbol table, by
51 Michael Meissner. The MIPS symbol table has the following pieces:
57 +-- Dense number table
65 +-- Relative file descriptors
77 The symbolic header points to each of the other tables, and also
78 contains the number of entries. It also contains a magic number
79 and MIPS compiler version number, such as 2.0.
81 The auxiliary table is a series of 32 bit integers, that are
82 referenced as needed from the local symbol table. Unlike standard
83 COFF, the aux. information does not follow the symbol that uses
84 it, but rather is a separate table. In theory, this would allow
85 the MIPS compilers to collapse duplicate aux. entries, but I've not
86 noticed this happening with the 1.31 compiler suite. The different
87 types of aux. entries are:
89 1) dnLow: Low bound on array dimension.
91 2) dnHigh: High bound on array dimension.
93 3) isym: Index to the local symbol which is the start of the
94 function for the end of function first aux. entry.
96 4) width: Width of structures and bitfields.
98 5) count: Count of ranges for variant part.
100 6) rndx: A relative index into the symbol table. The relative
101 index field has two parts: rfd which is a pointer into the
102 relative file index table or ST_RFDESCAPE which says the next
103 aux. entry is the file number, and index: which is the pointer
104 into the local symbol within a given file table. This is for
105 things like references to types defined in another file.
107 7) Type information: This is like the COFF type bits, except it
108 is 32 bits instead of 16; they still have room to add new
109 basic types; and they can handle more than 6 levels of array,
110 pointer, function, etc. Each type information field contains
111 the following structure members:
113 a) fBitfield: a bit that says this is a bitfield, and the
114 size in bits follows as the next aux. entry.
116 b) continued: a bit that says the next aux. entry is a
117 continuation of the current type information (in case
118 there are more than 6 levels of array/ptr/function).
120 c) bt: an integer containing the base type before adding
121 array, pointer, function, etc. qualifiers. The
122 current base types that I have documentation for are:
125 btAdr -- address - integer same size as ptr
127 btUChar -- unsigned character
129 btUShort -- unsigned short
131 btUInt -- unsigned int
133 btULong -- unsigned long
134 btFloat -- float (real)
135 btDouble -- Double (real)
136 btStruct -- Structure (Record)
137 btUnion -- Union (variant)
139 btTypedef -- defined via a typedef isymRef
140 btRange -- subrange of int
142 btComplex -- fortran complex
143 btDComplex -- fortran double complex
144 btIndirect -- forward or unnamed typedef
145 btFixedDec -- Fixed Decimal
146 btFloatDec -- Float Decimal
147 btString -- Varying Length Character String
148 btBit -- Aligned Bit String
150 btVoid -- Void (MIPS cc revision >= 2.00)
152 d) tq0 - tq5: type qualifier fields as needed. The
153 current type qualifier fields I have documentation for
156 tqNil -- no more qualifiers
160 tqFar -- 8086 far pointers
164 The dense number table is used in the front ends, and disappears by
165 the time the .o is created.
167 With the 1.31 compiler suite, the optimization symbols don't seem
168 to be used as far as I can tell.
170 The linker is the first entity that creates the relative file
171 descriptor table, and I believe it is used so that the individual
172 file table pointers don't have to be rewritten when the objects are
173 merged together into the program file.
175 Unlike COFF, the basic symbol & string tables are split into
176 external and local symbols/strings. The relocation information
177 only goes off of the external symbol table, and the debug
178 information only goes off of the internal symbol table. The
179 external symbols can have links to an appropriate file index and
180 symbol within the file to give it the appropriate type information.
181 Because of this, the external symbols are actually larger than the
182 internal symbols (to contain the link information), and contain the
183 local symbol structure as a member, though this member is not the
184 first member of the external symbol structure (!). I suspect this
185 split is to make strip easier to deal with.
187 Each file table has offsets for where the line numbers, local
188 strings, local symbols, and procedure table starts from within the
189 global tables, and the indexs are reset to 0 for each of those
192 The procedure table contains the binary equivalents of the .ent
193 (start of the function address), .frame (what register is the
194 virtual frame pointer, constant offset from the register to obtain
195 the VFP, and what register holds the return address), .mask/.fmask
196 (bitmask of saved registers, and where the first register is stored
197 relative to the VFP) assembler directives. It also contains the
198 low and high bounds of the line numbers if debugging is turned on.
200 The line number table is a compressed form of the normal COFF line
201 table. Each line number entry is either 1 or 3 bytes long, and
202 contains a signed delta from the previous line, and an unsigned
203 count of the number of instructions this statement takes.
205 The local symbol table contains the following fields:
207 1) iss: index to the local string table giving the name of the
210 2) value: value of the symbol (address, register number, etc.).
212 3) st: symbol type. The current symbol types are:
214 stNil -- Nuthin' special
215 stGlobal -- external symbol
217 stParam -- procedure argument
218 stLocal -- local variable
220 stProc -- External Procedure
221 stBlock -- beginning of block
222 stEnd -- end (of anything)
223 stMember -- member (of anything)
224 stTypedef -- type definition
226 stRegReloc -- register relocation
227 stForward -- forwarding address
228 stStaticProc -- Static procedure
231 4) sc: storage class. The current storage classes are:
233 scText -- text symbol
234 scData -- initialized data symbol
235 scBss -- un-initialized data symbol
236 scRegister -- value of symbol is register number
237 scAbs -- value of symbol is absolute
238 scUndefined -- who knows?
239 scCdbLocal -- variable's value is IN se->va.??
240 scBits -- this is a bit field
241 scCdbSystem -- value is IN debugger's address space
242 scRegImage -- register value saved on stack
243 scInfo -- symbol contains debugger information
244 scUserStruct -- addr in struct user for current process
245 scSData -- load time only small data
246 scSBss -- load time only small common
247 scRData -- load time only read only data
248 scVar -- Var parameter (fortranpascal)
249 scCommon -- common variable
250 scSCommon -- small common
251 scVarRegister -- Var parameter in a register
252 scVariant -- Variant record
253 scSUndefined -- small undefined(external) data
254 scInit -- .init section symbol
256 5) index: pointer to a local symbol or aux. entry.
260 For the following program:
265 printf("Hello World!\n");
269 Mips-tdump produces the following information:
274 timestamp 645311799, Wed Jun 13 17:16:39 1990
275 symbolic header offset 284
276 symbolic header size 96
280 Symbolic header, magic number = 0x7009, vstamp = 1.31:
282 Info Offset Number Bytes
283 ==== ====== ====== =====
285 Line numbers 380 4 4 [13]
287 Procedures Tables 384 1 52
288 Local Symbols 436 16 192
289 Optimization Symbols 0 0 0
290 Auxiliary Symbols 628 39 156
291 Local Strings 784 80 80
292 External Strings 864 144 144
293 File Tables 1008 2 144
295 External Symbols 1152 20 320
299 Name index = 1 Readin = No
300 Merge = No Endian = LITTLE
301 Debug level = G2 Language = C
304 Info Start Number Size Offset
305 ==== ===== ====== ==== ======
306 Local strings 0 15 15 784
307 Local symbols 0 6 72 436
308 Line numbers 0 13 13 380
309 Optimization symbols 0 0 0 0
310 Procedures 0 1 52 384
311 Auxiliary symbols 0 14 56 628
312 Relative Files 0 0 0 0
314 There are 6 local symbols, starting at 436
316 Symbol# 0: "hello2.c"
319 Storage class = Text Index = 6
320 Symbol type = File Value = 0
326 Storage class = Text Index = 12
327 Symbol type = Proc Value = 0
332 Storage class = Text Index = 4
333 Symbol type = Block Value = 8
338 Storage class = Text Index = 2
339 Symbol type = End Value = 28
344 Storage class = Text Index = 1
345 Symbol type = End Value = 52
347 Symbol# 5: "hello2.c"
350 Storage class = Text Index = 0
351 Symbol type = End Value = 0
353 There are 14 auxiliary table entries, starting at 628.
355 * #0 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
356 * #1 24, [ 24/ 0], [ 6 0:0 0:0:0:0:0:0]
357 * #2 8, [ 8/ 0], [ 2 0:0 0:0:0:0:0:0]
358 * #3 16, [ 16/ 0], [ 4 0:0 0:0:0:0:0:0]
359 * #4 24, [ 24/ 0], [ 6 0:0 0:0:0:0:0:0]
360 * #5 32, [ 32/ 0], [ 8 0:0 0:0:0:0:0:0]
361 * #6 40, [ 40/ 0], [10 0:0 0:0:0:0:0:0]
362 * #7 44, [ 44/ 0], [11 0:0 0:0:0:0:0:0]
363 * #8 12, [ 12/ 0], [ 3 0:0 0:0:0:0:0:0]
364 * #9 20, [ 20/ 0], [ 5 0:0 0:0:0:0:0:0]
365 * #10 28, [ 28/ 0], [ 7 0:0 0:0:0:0:0:0]
366 * #11 36, [ 36/ 0], [ 9 0:0 0:0:0:0:0:0]
367 #12 5, [ 5/ 0], [ 1 1:0 0:0:0:0:0:0]
368 #13 24, [ 24/ 0], [ 6 0:0 0:0:0:0:0:0]
370 There are 1 procedure descriptor entries, starting at 0.
372 Procedure descriptor 0:
373 Name index = 10 Name = "main"
374 .mask 0x80000000,-4 .fmask 0x00000000,0
376 Opt. start = -1 Symbols start = 1
377 First line # = 3 Last line # = 6
378 Line Offset = 0 Address = 0x00000000
380 There are 4 bytes holding line numbers, starting at 380.
381 Line 3, delta 0, count 2
382 Line 4, delta 1, count 3
383 Line 5, delta 1, count 2
384 Line 6, delta 1, count 6
386 File #1, "/usr/include/stdio.h"
388 Name index = 1 Readin = No
389 Merge = Yes Endian = LITTLE
390 Debug level = G2 Language = C
393 Info Start Number Size Offset
394 ==== ===== ====== ==== ======
395 Local strings 15 65 65 799
396 Local symbols 6 10 120 508
397 Line numbers 0 0 0 380
398 Optimization symbols 0 0 0 0
400 Auxiliary symbols 14 25 100 684
401 Relative Files 0 0 0 0
403 There are 10 local symbols, starting at 442
405 Symbol# 0: "/usr/include/stdio.h"
408 Storage class = Text Index = 10
409 Symbol type = File Value = 0
414 Storage class = Info Index = 9
415 Symbol type = Block Value = 20
420 Storage class = Info Index = 4
421 Symbol type = Member Value = 0
426 Storage class = Info Index = 15
427 Symbol type = Member Value = 32
432 Storage class = Info Index = 16
433 Symbol type = Member Value = 64
438 Storage class = Info Index = 4
439 Symbol type = Member Value = 96
444 Storage class = Info Index = 3
445 Symbol type = Member Value = 128
450 Storage class = Info Index = 2
451 Symbol type = Member Value = 144
456 Storage class = Info Index = 1
457 Symbol type = End Value = 0
459 Symbol# 9: "/usr/include/stdio.h"
462 Storage class = Text Index = 0
463 Symbol type = End Value = 0
465 There are 25 auxiliary table entries, starting at 642.
467 * #14 -1, [4095/1048575], [63 1:1 f:f:f:f:f:f]
468 #15 65544, [ 8/ 16], [ 2 0:0 1:0:0:0:0:0]
469 #16 65544, [ 8/ 16], [ 2 0:0 1:0:0:0:0:0]
470 * #17 196656, [ 48/ 48], [12 0:0 3:0:0:0:0:0]
471 * #18 8191, [4095/ 1], [63 1:1 0:0:0:0:f:1]
472 * #19 1, [ 1/ 0], [ 0 1:0 0:0:0:0:0:0]
473 * #20 20479, [4095/ 4], [63 1:1 0:0:0:0:f:4]
474 * #21 1, [ 1/ 0], [ 0 1:0 0:0:0:0:0:0]
475 * #22 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
476 * #23 2, [ 2/ 0], [ 0 0:1 0:0:0:0:0:0]
477 * #24 160, [ 160/ 0], [40 0:0 0:0:0:0:0:0]
478 * #25 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
479 * #26 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
480 * #27 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
481 * #28 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
482 * #29 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
483 * #30 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
484 * #31 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
485 * #32 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
486 * #33 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
487 * #34 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
488 * #35 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
489 * #36 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
490 * #37 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
491 * #38 0, [ 0/ 0], [ 0 0:0 0:0:0:0:0:0]
493 There are 0 procedure descriptor entries, starting at 1.
495 There are 20 external symbols, starting at 1152
498 Type = array [3 {160}] of struct _iobuf { ifd = 1, index = 1 }
499 String index = 0 Ifd = 1
500 Storage class = Nil Index = 17
501 Symbol type = Global Value = 60
504 String index = 5 Ifd = 1
505 Storage class = Nil Index = 1048575
506 Symbol type = Proc Value = 0
509 String index = 11 Ifd = 1
510 Storage class = Nil Index = 1048575
511 Symbol type = Proc Value = 0
514 String index = 18 Ifd = 1
515 Storage class = Nil Index = 1048575
516 Symbol type = Proc Value = 0
519 String index = 26 Ifd = 1
520 Storage class = Nil Index = 1048575
521 Symbol type = Proc Value = 0
524 String index = 32 Ifd = 1
525 Storage class = Nil Index = 1048575
526 Symbol type = Proc Value = 0
529 String index = 40 Ifd = 1
530 Storage class = Nil Index = 1048575
531 Symbol type = Proc Value = 0
534 String index = 46 Ifd = 1
535 Storage class = Nil Index = 1048575
536 Symbol type = Proc Value = 0
539 String index = 53 Ifd = 1
540 Storage class = Nil Index = 1048575
541 Symbol type = Proc Value = 0
543 Symbol# 9: "setbuffer"
544 String index = 60 Ifd = 1
545 Storage class = Nil Index = 1048575
546 Symbol type = Proc Value = 0
548 Symbol# 10: "setlinebuf"
549 String index = 70 Ifd = 1
550 Storage class = Nil Index = 1048575
551 Symbol type = Proc Value = 0
554 String index = 81 Ifd = 1
555 Storage class = Nil Index = 1048575
556 Symbol type = Proc Value = 0
559 String index = 87 Ifd = 1
560 Storage class = Nil Index = 1048575
561 Symbol type = Proc Value = 0
563 Symbol# 13: "ctermid"
564 String index = 92 Ifd = 1
565 Storage class = Nil Index = 1048575
566 Symbol type = Proc Value = 0
568 Symbol# 14: "cuserid"
569 String index = 100 Ifd = 1
570 Storage class = Nil Index = 1048575
571 Symbol type = Proc Value = 0
573 Symbol# 15: "tempnam"
574 String index = 108 Ifd = 1
575 Storage class = Nil Index = 1048575
576 Symbol type = Proc Value = 0
579 String index = 116 Ifd = 1
580 Storage class = Nil Index = 1048575
581 Symbol type = Proc Value = 0
583 Symbol# 17: "sprintf"
584 String index = 123 Ifd = 1
585 Storage class = Nil Index = 1048575
586 Symbol type = Proc Value = 0
590 String index = 131 Ifd = 0
591 Storage class = Text Index = 1
592 Symbol type = Proc Value = 0
595 String index = 136 Ifd = 0
596 Storage class = Undefined Index = 1048575
597 Symbol type = Proc Value = 0
599 The following auxiliary table entries were unused:
603 #3 16 0x00000010 short
605 #5 32 0x00000020 long
606 #6 40 0x00000028 float
607 #7 44 0x0000002c double
608 #8 12 0x0000000c unsigned char
609 #9 20 0x00000014 unsigned short
610 #10 28 0x0000001c unsigned int
611 #11 36 0x00000024 unsigned long
612 #14 0 0x00000000 void
613 #15 24 0x00000018 int
614 #19 32 0x00000020 long
615 #20 40 0x00000028 float
616 #21 44 0x0000002c double
617 #22 12 0x0000000c unsigned char
618 #23 20 0x00000014 unsigned short
619 #24 28 0x0000001c unsigned int
620 #25 36 0x00000024 unsigned long
621 #26 48 0x00000030 struct no name { ifd = -1, index = 1048575 }
624 /* Redefinition of of storage classes as an enumeration for better
628 sc_Nil = scNil, /* no storage class */
629 sc_Text = scText, /* text symbol */
630 sc_Data = scData, /* initialized data symbol */
631 sc_Bss = scBss, /* un-initialized data symbol */
632 sc_Register = scRegister, /* value of symbol is register number */
633 sc_Abs = scAbs, /* value of symbol is absolute */
634 sc_Undefined = scUndefined, /* who knows? */
635 sc_CdbLocal = scCdbLocal, /* variable's value is IN se->va.?? */
636 sc_Bits = scBits, /* this is a bit field */
637 sc_CdbSystem = scCdbSystem, /* value is IN CDB's address space */
638 sc_RegImage = scRegImage, /* register value saved on stack */
639 sc_Info = scInfo, /* symbol contains debugger information */
640 sc_UserStruct = scUserStruct, /* addr in struct user for current process */
641 sc_SData = scSData, /* load time only small data */
642 sc_SBss = scSBss, /* load time only small common */
643 sc_RData = scRData, /* load time only read only data */
644 sc_Var = scVar, /* Var parameter (fortran,pascal) */
645 sc_Common = scCommon, /* common variable */
646 sc_SCommon = scSCommon, /* small common */
647 sc_VarRegister = scVarRegister, /* Var parameter in a register */
648 sc_Variant = scVariant, /* Variant record */
649 sc_SUndefined = scSUndefined, /* small undefined(external) data */
650 sc_Init = scInit, /* .init section symbol */
651 sc_Max = scMax /* Max storage class+1 */
654 /* Redefinition of symbol type. */
657 st_Nil = stNil, /* Nuthin' special */
658 st_Global = stGlobal, /* external symbol */
659 st_Static = stStatic, /* static */
660 st_Param = stParam, /* procedure argument */
661 st_Local = stLocal, /* local variable */
662 st_Label = stLabel, /* label */
663 st_Proc = stProc, /* " " Procedure */
664 st_Block = stBlock, /* beginning of block */
665 st_End = stEnd, /* end (of anything) */
666 st_Member = stMember, /* member (of anything - struct/union/enum */
667 st_Typedef = stTypedef, /* type definition */
668 st_File = stFile, /* file name */
669 st_RegReloc = stRegReloc, /* register relocation */
670 st_Forward = stForward, /* forwarding address */
671 st_StaticProc = stStaticProc, /* load time only static procs */
672 st_Constant = stConstant, /* const */
673 st_Str = stStr, /* string */
674 st_Number = stNumber, /* pure number (ie. 4 NOR 2+2) */
675 st_Expr = stExpr, /* 2+2 vs. 4 */
676 st_Type = stType, /* post-coercion SER */
677 st_Max = stMax /* max type+1 */
680 /* Redefinition of type qualifiers. */
683 tq_Nil = tqNil, /* bt is what you see */
684 tq_Ptr = tqPtr, /* pointer */
685 tq_Proc = tqProc, /* procedure */
686 tq_Array = tqArray, /* duh */
687 tq_Far = tqFar, /* longer addressing - 8086/8 land */
688 tq_Vol = tqVol, /* volatile */
689 tq_Max = tqMax /* Max type qualifier+1 */
692 /* Redefinition of basic types. */
695 bt_Nil = btNil, /* undefined */
696 bt_Adr = btAdr, /* address - integer same size as pointer */
697 bt_Char = btChar, /* character */
698 bt_UChar = btUChar, /* unsigned character */
699 bt_Short = btShort, /* short */
700 bt_UShort = btUShort, /* unsigned short */
701 bt_Int = btInt, /* int */
702 bt_UInt = btUInt, /* unsigned int */
703 bt_Long = btLong, /* long */
704 bt_ULong = btULong, /* unsigned long */
705 bt_Float = btFloat, /* float (real) */
706 bt_Double = btDouble, /* Double (real) */
707 bt_Struct = btStruct, /* Structure (Record) */
708 bt_Union = btUnion, /* Union (variant) */
709 bt_Enum = btEnum, /* Enumerated */
710 bt_Typedef = btTypedef, /* defined via a typedef, isymRef points */
711 bt_Range = btRange, /* subrange of int */
712 bt_Set = btSet, /* pascal sets */
713 bt_Complex = btComplex, /* fortran complex */
714 bt_DComplex = btDComplex, /* fortran double complex */
715 bt_Indirect = btIndirect, /* forward or unnamed typedef */
716 bt_FixedDec = btFixedDec, /* Fixed Decimal */
717 bt_FloatDec = btFloatDec, /* Float Decimal */
718 bt_String = btString, /* Varying Length Character String */
719 bt_Bit = btBit, /* Aligned Bit String */
720 bt_Picture = btPicture, /* Picture */
721 bt_Void = btVoid, /* Void */
722 bt_Max = btMax /* Max basic type+1 */
727 /* States for whether to hash type or not. */
728 typedef enum hash_state {
729 hash_no = 0, /* don't hash type */
730 hash_yes = 1, /* ok to hash type, or use previous hash */
731 hash_record = 2 /* ok to record hash, but don't use prev. */
734 /* Types of different sized allocation requests. */
736 alloc_type_none, /* dummy value */
737 alloc_type_scope, /* nested scopes linked list */
738 alloc_type_vlinks, /* glue linking pages in varray */
739 alloc_type_shash, /* string hash element */
740 alloc_type_thash, /* type hash element */
741 alloc_type_tag, /* struct/union/tag element */
742 alloc_type_forward, /* element to hold unknown tag */
743 alloc_type_thead, /* head of type hash list */
744 alloc_type_varray, /* general varray allocation */
745 alloc_type_lineno, /* line number list */
746 alloc_type_last /* last+1 element for array bounds */
749 /* Types of auxiliary type information. */
751 aux_tir, /* TIR type information */
752 aux_rndx, /* relative index into symbol table */
753 aux_dnLow, /* low dimension */
754 aux_dnHigh, /* high dimension */
755 aux_isym, /* symbol table index (end of proc) */
756 aux_iss, /* index into string space (not used) */
757 aux_width, /* width for non-default sized struc fields */
758 aux_count /* count of ranges for variant arm */
761 /* Structures to provide n-number of virtual arrays, each of which can
762 grow linearly, and which are written in the object file as
763 sequential pages. On systems with a BSD malloc, the
764 MAX_CLUSTER_PAGES should be 1 less than a power of two, since
765 malloc adds it's overhead, and rounds up to the next power of 2.
766 Pages are linked together via a linked list.
768 If PAGE_SIZE is > 4096, the string length in the shash_t structure
769 can't be represented (assuming there are strings > 4096 bytes). */
771 /* FIXME: Yes, there can be such strings while emitting C++ class debug
772 info. Templates are the offender here, the test case in question
773 having a mangled class name of
775 t7rb_tree4Z4xkeyZt4pair2ZC4xkeyZt7xsocket1Z4UserZt9select1st2Zt4pair\
776 2ZC4xkeyZt7xsocket1Z4UserZ4xkeyZt4less1Z4xkey
778 Repeat that a couple dozen times while listing the class members and
779 you've got strings over 4k. Hack around this for now by increasing
780 the page size. A proper solution would abandon this structure scheme
781 certainly for very large strings, and possibly entirely. */
784 #define PAGE_SIZE (8*1024) /* size of varray pages */
787 #define PAGE_USIZE ((unsigned long) PAGE_SIZE)
789 #ifndef MAX_CLUSTER_PAGES /* # pages to get from system */
790 #define MAX_CLUSTER_PAGES 63
793 /* Linked list connecting separate page allocations. */
794 typedef struct vlinks {
795 struct vlinks *prev; /* previous set of pages */
796 struct vlinks *next; /* next set of pages */
797 union page *datum; /* start of page */
798 unsigned long start_index; /* starting index # of page */
802 /* Virtual array header. */
803 typedef struct varray {
804 vlinks_t *first; /* first page link */
805 vlinks_t *last; /* last page link */
806 unsigned long num_allocated; /* # objects allocated */
807 unsigned short object_size; /* size in bytes of each object */
808 unsigned short objects_per_page; /* # objects that can fit on a page */
809 unsigned short objects_last_page; /* # objects allocated on last page */
813 #define OBJECTS_PER_PAGE(type) (PAGE_SIZE / sizeof (type))
815 #define OBJECTS_PER_PAGE(type) ((sizeof (type) > 1) ? 1 : PAGE_SIZE)
818 #define INIT_VARRAY(type) { /* macro to initialize a varray */ \
819 (vlinks_t *)0, /* first */ \
820 (vlinks_t *)0, /* last */ \
821 0, /* num_allocated */ \
822 sizeof (type), /* object_size */ \
823 OBJECTS_PER_PAGE (type), /* objects_per_page */ \
824 OBJECTS_PER_PAGE (type), /* objects_last_page */ \
828 /* Master type for indexes within the symbol table. */
829 typedef unsigned long symint_t;
832 /* Linked list support for nested scopes (file, block, structure, etc.). */
833 typedef struct scope {
834 struct scope *prev; /* previous scope level */
835 struct scope *free; /* free list pointer */
836 struct localsym *lsym; /* pointer to local symbol node */
837 st_t type; /* type of the node */
841 /* For a local symbol we store a gas symbol as well as the debugging
842 information we generate. The gas symbol will be NULL if this is
843 only a debugging symbol. */
844 typedef struct localsym {
845 const char *name; /* symbol name */
846 symbolS *as_sym; /* symbol as seen by gas */
847 bfd_vma addend; /* addend to as_sym value */
848 struct efdr *file_ptr; /* file pointer */
849 struct ecoff_proc *proc_ptr; /* proc pointer */
850 struct localsym *begin_ptr; /* symbol at start of block */
851 struct ecoff_aux *index_ptr; /* index value to be filled in */
852 struct forward *forward_ref; /* forward references to this symbol */
853 long sym_index; /* final symbol index */
854 EXTR ecoff_sym; /* ECOFF debugging symbol */
858 /* For aux information we keep the type and the data. */
859 typedef struct ecoff_aux {
860 enum aux_type type; /* aux type */
861 AUXU data; /* aux data */
864 /* For a procedure we store the gas symbol as well as the PDR
865 debugging information. */
866 typedef struct ecoff_proc {
867 localsym_t *sym; /* associated symbol */
868 PDR pdr; /* ECOFF debugging info */
871 /* Number of proc_t structures allocated. */
872 static unsigned long proc_cnt;
875 /* Forward reference list for tags referenced, but not yet defined. */
876 typedef struct forward {
877 struct forward *next; /* next forward reference */
878 struct forward *free; /* free list pointer */
879 aux_t *ifd_ptr; /* pointer to store file index */
880 aux_t *index_ptr; /* pointer to store symbol index */
884 /* Linked list support for tags. The first tag in the list is always
885 the current tag for that block. */
887 struct tag *free; /* free list pointer */
888 struct shash *hash_ptr; /* pointer to the hash table head */
889 struct tag *same_name; /* tag with same name in outer scope */
890 struct tag *same_block; /* next tag defined in the same block. */
891 struct forward *forward_ref; /* list of forward references */
892 bt_t basic_type; /* bt_Struct, bt_Union, or bt_Enum */
893 symint_t ifd; /* file # tag defined in */
894 localsym_t *sym; /* file's local symbols */
898 /* Head of a block's linked list of tags. */
899 typedef struct thead {
900 struct thead *prev; /* previous block */
901 struct thead *free; /* free list pointer */
902 struct tag *first_tag; /* first tag in block defined */
906 /* Union containing pointers to each the small structures which are freed up. */
907 typedef union small_free {
908 scope_t *f_scope; /* scope structure */
909 thead_t *f_thead; /* tag head structure */
910 tag_t *f_tag; /* tag element structure */
911 forward_t *f_forward; /* forward tag reference */
915 /* String hash table entry. */
917 typedef struct shash {
918 char *string; /* string we are hashing */
919 symint_t indx; /* index within string table */
920 EXTR *esym_ptr; /* global symbol pointer */
921 localsym_t *sym_ptr; /* local symbol pointer */
922 localsym_t *end_ptr; /* symbol pointer to end block */
923 tag_t *tag_ptr; /* tag pointer */
924 proc_t *proc_ptr; /* procedure descriptor pointer */
928 /* Type hash table support. The size of the hash table must fit
929 within a page with the other extended file descriptor information.
930 Because unique types which are hashed are fewer in number than
931 strings, we use a smaller hash value. */
936 #define THASH_SIZE 113
939 typedef struct thash {
940 struct thash *next; /* next hash value */
941 AUXU type; /* type we are hashing */
942 symint_t indx; /* index within string table */
946 /* Extended file descriptor that contains all of the support necessary
947 to add things to each file separately. */
948 typedef struct efdr {
949 FDR fdr; /* File header to be written out */
950 FDR *orig_fdr; /* original file header */
951 char *name; /* filename */
952 int fake; /* whether this is faked .file */
953 symint_t void_type; /* aux. pointer to 'void' type */
954 symint_t int_type; /* aux. pointer to 'int' type */
955 scope_t *cur_scope; /* current nested scopes */
956 symint_t file_index; /* current file number */
957 int nested_scopes; /* # nested scopes */
958 varray_t strings; /* local strings */
959 varray_t symbols; /* local symbols */
960 varray_t procs; /* procedures */
961 varray_t aux_syms; /* auxiliary symbols */
962 struct efdr *next_file; /* next file descriptor */
963 /* string/type hash tables */
964 struct hash_control *str_hash; /* string hash table */
965 thash_t *thash_head[THASH_SIZE];
968 /* Pre-initialized extended file structure. */
969 static const efdr_t init_file =
971 { /* FDR structure */
972 0, /* adr: memory address of beginning of file */
973 0, /* rss: file name (of source, if known) */
974 0, /* issBase: file's string space */
975 0, /* cbSs: number of bytes in the ss */
976 0, /* isymBase: beginning of symbols */
977 0, /* csym: count file's of symbols */
978 0, /* ilineBase: file's line symbols */
979 0, /* cline: count of file's line symbols */
980 0, /* ioptBase: file's optimization entries */
981 0, /* copt: count of file's optimization entries */
982 0, /* ipdFirst: start of procedures for this file */
983 0, /* cpd: count of procedures for this file */
984 0, /* iauxBase: file's auxiliary entries */
985 0, /* caux: count of file's auxiliary entries */
986 0, /* rfdBase: index into the file indirect table */
987 0, /* crfd: count file indirect entries */
988 langC, /* lang: language for this file */
989 1, /* fMerge: whether this file can be merged */
990 0, /* fReadin: true if read in (not just created) */
991 TARGET_BYTES_BIG_ENDIAN, /* fBigendian: if 1, compiled on big endian machine */
992 GLEVEL_2, /* glevel: level this file was compiled with */
993 0, /* reserved: reserved for future use */
994 0, /* cbLineOffset: byte offset from header for this file ln's */
995 0, /* cbLine: size of lines for this file */
998 (FDR *)0, /* orig_fdr: original file header pointer */
999 (char *)0, /* name: pointer to filename */
1000 0, /* fake: whether this is a faked .file */
1001 0, /* void_type: ptr to aux node for void type */
1002 0, /* int_type: ptr to aux node for int type */
1003 (scope_t *)0, /* cur_scope: current scope being processed */
1004 0, /* file_index: current file # */
1005 0, /* nested_scopes: # nested scopes */
1006 INIT_VARRAY (char), /* strings: local string varray */
1007 INIT_VARRAY (localsym_t), /* symbols: local symbols varray */
1008 INIT_VARRAY (proc_t), /* procs: procedure varray */
1009 INIT_VARRAY (aux_t), /* aux_syms: auxiliary symbols varray */
1011 (struct efdr *)0, /* next_file: next file structure */
1013 (struct hash_control *)0, /* str_hash: string hash table */
1014 { 0 }, /* thash_head: type hash table */
1018 static efdr_t *first_file; /* first file descriptor */
1019 static efdr_t **last_file_ptr = &first_file; /* file descriptor tail */
1022 /* Line number information is kept in a list until the assembly is
1024 typedef struct lineno_list {
1025 struct lineno_list *next; /* next element in list */
1026 efdr_t *file; /* file this line is in */
1027 proc_t *proc; /* procedure this line is in */
1028 fragS *frag; /* fragment this line number is in */
1029 unsigned long paddr; /* offset within fragment */
1030 long lineno; /* actual line number */
1033 static lineno_list_t *first_lineno;
1034 static lineno_list_t *last_lineno;
1035 static lineno_list_t **last_lineno_ptr = &first_lineno;
1037 /* Sometimes there will be some .loc statements before a .ent. We
1038 keep them in this list so that we can fill in the procedure pointer
1039 after we see the .ent. */
1040 static lineno_list_t *noproc_lineno;
1042 /* Union of various things that are held in pages. */
1043 typedef union page {
1044 char byte [ PAGE_SIZE ];
1045 unsigned char ubyte [ PAGE_SIZE ];
1046 efdr_t file [ PAGE_SIZE / sizeof (efdr_t) ];
1047 FDR ofile [ PAGE_SIZE / sizeof (FDR) ];
1048 proc_t proc [ PAGE_SIZE / sizeof (proc_t) ];
1049 localsym_t sym [ PAGE_SIZE / sizeof (localsym_t) ];
1050 aux_t aux [ PAGE_SIZE / sizeof (aux_t) ];
1051 DNR dense [ PAGE_SIZE / sizeof (DNR) ];
1052 scope_t scope [ PAGE_SIZE / sizeof (scope_t) ];
1053 vlinks_t vlinks [ PAGE_SIZE / sizeof (vlinks_t) ];
1054 shash_t shash [ PAGE_SIZE / sizeof (shash_t) ];
1055 thash_t thash [ PAGE_SIZE / sizeof (thash_t) ];
1056 tag_t tag [ PAGE_SIZE / sizeof (tag_t) ];
1057 forward_t forward [ PAGE_SIZE / sizeof (forward_t) ];
1058 thead_t thead [ PAGE_SIZE / sizeof (thead_t) ];
1059 lineno_list_t lineno [ PAGE_SIZE / sizeof (lineno_list_t) ];
1063 /* Structure holding allocation information for small sized structures. */
1064 typedef struct alloc_info {
1065 char *alloc_name; /* name of this allocation type (must be first) */
1066 page_type *cur_page; /* current page being allocated from */
1067 small_free_t free_list; /* current free list if any */
1068 int unallocated; /* number of elements unallocated on page */
1069 int total_alloc; /* total number of allocations */
1070 int total_free; /* total number of frees */
1071 int total_pages; /* total number of pages allocated */
1075 /* Type information collected together. */
1076 typedef struct type_info {
1077 bt_t basic_type; /* basic type */
1078 int orig_type; /* original COFF-based type */
1079 int num_tq; /* # type qualifiers */
1080 int num_dims; /* # dimensions */
1081 int num_sizes; /* # sizes */
1082 int extra_sizes; /* # extra sizes not tied with dims */
1083 tag_t * tag_ptr; /* tag pointer */
1084 int bitfield; /* symbol is a bitfield */
1085 tq_t type_qualifiers[N_TQ]; /* type qualifiers (ptr, func, array)*/
1086 symint_t dimensions [N_TQ]; /* dimensions for each array */
1087 symint_t sizes [N_TQ+2]; /* sizes of each array slice + size of
1088 struct/union/enum + bitfield size */
1091 /* Pre-initialized type_info struct. */
1092 static const type_info_t type_info_init = {
1093 bt_Nil, /* basic type */
1094 T_NULL, /* original COFF-based type */
1095 0, /* # type qualifiers */
1096 0, /* # dimensions */
1098 0, /* sizes not tied with dims */
1099 NULL, /* ptr to tag */
1101 { /* type qualifiers */
1129 /* Global hash table for the tags table and global table for file
1132 static varray_t file_desc = INIT_VARRAY (efdr_t);
1134 static struct hash_control *tag_hash;
1136 /* Static types for int and void. Also, remember the last function's
1137 type (which is set up when we encounter the declaration for the
1138 function, and used when the end block for the function is emitted. */
1140 static type_info_t int_type_info;
1141 static type_info_t void_type_info;
1142 static type_info_t last_func_type_info;
1143 static symbolS *last_func_sym_value;
1146 /* Convert COFF basic type to ECOFF basic type. The T_NULL type
1147 really should use bt_Void, but this causes the current ecoff GDB to
1148 issue unsupported type messages, and the Ultrix 4.00 dbx (aka MIPS
1149 2.0) doesn't understand it, even though the compiler generates it.
1150 Maybe this will be fixed in 2.10 or 2.20 of the MIPS compiler
1151 suite, but for now go with what works.
1153 It would make sense for the .type and .scl directives to use the
1154 ECOFF numbers directly, rather than using the COFF numbers and
1155 mapping them. Unfortunately, this is historically what mips-tfile
1156 expects, and changing gcc now would be a considerable pain (the
1157 native compiler generates debugging information internally, rather
1158 than via the assembler, so it will never use .type or .scl). */
1160 static const bt_t map_coff_types[] = {
1161 bt_Nil, /* T_NULL */
1163 bt_Char, /* T_CHAR */
1164 bt_Short, /* T_SHORT */
1166 bt_Long, /* T_LONG */
1167 bt_Float, /* T_FLOAT */
1168 bt_Double, /* T_DOUBLE */
1169 bt_Struct, /* T_STRUCT */
1170 bt_Union, /* T_UNION */
1171 bt_Enum, /* T_ENUM */
1172 bt_Enum, /* T_MOE */
1173 bt_UChar, /* T_UCHAR */
1174 bt_UShort, /* T_USHORT */
1175 bt_UInt, /* T_UINT */
1176 bt_ULong /* T_ULONG */
1179 /* Convert COFF storage class to ECOFF storage class. */
1180 static const sc_t map_coff_storage[] = {
1181 sc_Nil, /* 0: C_NULL */
1182 sc_Abs, /* 1: C_AUTO auto var */
1183 sc_Undefined, /* 2: C_EXT external */
1184 sc_Data, /* 3: C_STAT static */
1185 sc_Register, /* 4: C_REG register */
1186 sc_Undefined, /* 5: C_EXTDEF ??? */
1187 sc_Text, /* 6: C_LABEL label */
1188 sc_Text, /* 7: C_ULABEL user label */
1189 sc_Info, /* 8: C_MOS member of struct */
1190 sc_Abs, /* 9: C_ARG argument */
1191 sc_Info, /* 10: C_STRTAG struct tag */
1192 sc_Info, /* 11: C_MOU member of union */
1193 sc_Info, /* 12: C_UNTAG union tag */
1194 sc_Info, /* 13: C_TPDEF typedef */
1195 sc_Data, /* 14: C_USTATIC ??? */
1196 sc_Info, /* 15: C_ENTAG enum tag */
1197 sc_Info, /* 16: C_MOE member of enum */
1198 sc_Register, /* 17: C_REGPARM register parameter */
1199 sc_Bits, /* 18; C_FIELD bitfield */
1281 sc_Text, /* 100: C_BLOCK block start/end */
1282 sc_Text, /* 101: C_FCN function start/end */
1283 sc_Info, /* 102: C_EOS end of struct/union/enum */
1284 sc_Nil, /* 103: C_FILE file start */
1285 sc_Nil, /* 104: C_LINE line number */
1286 sc_Nil, /* 105: C_ALIAS combined type info */
1287 sc_Nil, /* 106: C_HIDDEN ??? */
1290 /* Convert COFF storage class to ECOFF symbol type. */
1291 static const st_t map_coff_sym_type[] = {
1292 st_Nil, /* 0: C_NULL */
1293 st_Local, /* 1: C_AUTO auto var */
1294 st_Global, /* 2: C_EXT external */
1295 st_Static, /* 3: C_STAT static */
1296 st_Local, /* 4: C_REG register */
1297 st_Global, /* 5: C_EXTDEF ??? */
1298 st_Label, /* 6: C_LABEL label */
1299 st_Label, /* 7: C_ULABEL user label */
1300 st_Member, /* 8: C_MOS member of struct */
1301 st_Param, /* 9: C_ARG argument */
1302 st_Block, /* 10: C_STRTAG struct tag */
1303 st_Member, /* 11: C_MOU member of union */
1304 st_Block, /* 12: C_UNTAG union tag */
1305 st_Typedef, /* 13: C_TPDEF typedef */
1306 st_Static, /* 14: C_USTATIC ??? */
1307 st_Block, /* 15: C_ENTAG enum tag */
1308 st_Member, /* 16: C_MOE member of enum */
1309 st_Param, /* 17: C_REGPARM register parameter */
1310 st_Member, /* 18; C_FIELD bitfield */
1392 st_Block, /* 100: C_BLOCK block start/end */
1393 st_Proc, /* 101: C_FCN function start/end */
1394 st_End, /* 102: C_EOS end of struct/union/enum */
1395 st_File, /* 103: C_FILE file start */
1396 st_Nil, /* 104: C_LINE line number */
1397 st_Nil, /* 105: C_ALIAS combined type info */
1398 st_Nil, /* 106: C_HIDDEN ??? */
1402 /* Keep track of different sized allocation requests. */
1403 static alloc_info_t alloc_counts[ (int)alloc_type_last ];
1405 /* Record whether we have seen any debugging information. */
1406 int ecoff_debugging_seen = 0;
1408 /* Various statics. */
1409 static efdr_t *cur_file_ptr = (efdr_t *) 0; /* current file desc. header */
1410 static proc_t *cur_proc_ptr = (proc_t *) 0; /* current procedure header */
1411 static proc_t *first_proc_ptr = (proc_t *) 0; /* first procedure header */
1412 static thead_t *top_tag_head = (thead_t *) 0; /* top level tag head */
1413 static thead_t *cur_tag_head = (thead_t *) 0; /* current tag head */
1415 static int debug = 0; /* trace functions */
1417 static int stabs_seen = 0; /* != 0 if stabs have been seen */
1419 static int current_file_idx;
1420 static const char *current_stabs_filename;
1422 /* Pseudo symbol to use when putting stabs into the symbol table. */
1423 #ifndef STABS_SYMBOL
1424 #define STABS_SYMBOL "@stabs"
1427 static char stabs_symbol[] = STABS_SYMBOL;
1429 /* Prototypes for functions defined in this file. */
1431 static void add_varray_page PARAMS ((varray_t *vp));
1432 static symint_t add_string PARAMS ((varray_t *vp,
1433 struct hash_control *hash_tbl,
1435 shash_t **ret_hash));
1436 static localsym_t *add_ecoff_symbol PARAMS ((const char *str, st_t type,
1437 sc_t storage, symbolS *sym,
1438 bfd_vma addend, symint_t value,
1440 static symint_t add_aux_sym_symint PARAMS ((symint_t aux_word));
1441 static symint_t add_aux_sym_rndx PARAMS ((int file_index,
1442 symint_t sym_index));
1443 static symint_t add_aux_sym_tir PARAMS ((type_info_t *t,
1445 thash_t **hash_tbl));
1446 static tag_t *get_tag PARAMS ((const char *tag, localsym_t *sym,
1448 static void add_unknown_tag PARAMS ((tag_t *ptag));
1449 static void add_procedure PARAMS ((char *func));
1450 static void add_file PARAMS ((const char *file_name, int indx, int fake));
1452 static char *sc_to_string PARAMS ((sc_t storage_class));
1453 static char *st_to_string PARAMS ((st_t symbol_type));
1455 static void mark_stabs PARAMS ((int));
1456 static char *ecoff_add_bytes PARAMS ((char **buf, char **bufend,
1457 char *bufptr, unsigned long need));
1458 static unsigned long ecoff_padding_adjust
1459 PARAMS ((const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1460 unsigned long offset, char **bufptrptr));
1461 static unsigned long ecoff_build_lineno
1462 PARAMS ((const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1463 unsigned long offset, long *linecntptr));
1464 static unsigned long ecoff_build_symbols
1465 PARAMS ((const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1466 unsigned long offset));
1467 static unsigned long ecoff_build_procs
1468 PARAMS ((const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1469 unsigned long offset));
1470 static unsigned long ecoff_build_aux
1471 PARAMS ((const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1472 unsigned long offset));
1473 static unsigned long ecoff_build_strings PARAMS ((char **buf, char **bufend,
1474 unsigned long offset,
1476 static unsigned long ecoff_build_ss
1477 PARAMS ((const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1478 unsigned long offset));
1479 static unsigned long ecoff_build_fdr
1480 PARAMS ((const struct ecoff_debug_swap *backend, char **buf, char **bufend,
1481 unsigned long offset));
1482 static void ecoff_setup_ext PARAMS ((void));
1483 static page_type *allocate_cluster PARAMS ((unsigned long npages));
1484 static page_type *allocate_page PARAMS ((void));
1485 static scope_t *allocate_scope PARAMS ((void));
1486 static void free_scope PARAMS ((scope_t *ptr));
1487 static vlinks_t *allocate_vlinks PARAMS ((void));
1488 static shash_t *allocate_shash PARAMS ((void));
1489 static thash_t *allocate_thash PARAMS ((void));
1490 static tag_t *allocate_tag PARAMS ((void));
1491 static void free_tag PARAMS ((tag_t *ptr));
1492 static forward_t *allocate_forward PARAMS ((void));
1493 static thead_t *allocate_thead PARAMS ((void));
1494 static void free_thead PARAMS ((thead_t *ptr));
1495 static lineno_list_t *allocate_lineno_list PARAMS ((void));
1497 /* This function should be called when the assembler starts up. */
1500 ecoff_read_begin_hook ()
1502 tag_hash = hash_new ();
1503 top_tag_head = allocate_thead ();
1504 top_tag_head->first_tag = (tag_t *) NULL;
1505 top_tag_head->free = (thead_t *) NULL;
1506 top_tag_head->prev = cur_tag_head;
1507 cur_tag_head = top_tag_head;
1510 /* This function should be called when a symbol is created. */
1513 ecoff_symbol_new_hook (symbolP)
1516 /* Make sure that we have a file pointer, but only if we have seen a
1517 file. If we haven't seen a file, then this is a probably special
1518 symbol created by md_begin which may required special handling at
1519 some point. Creating a dummy file with a dummy name is certainly
1521 if (cur_file_ptr == (efdr_t *) NULL
1522 && seen_at_least_1_file ())
1523 add_file ((const char *) NULL, 0, 1);
1524 symbolP->ecoff_file = cur_file_ptr;
1525 symbolP->ecoff_symbol = NULL;
1526 symbolP->ecoff_extern_size = 0;
1529 /* Add a page to a varray object. */
1532 add_varray_page (vp)
1533 varray_t *vp; /* varray to add page to */
1535 vlinks_t *new_links = allocate_vlinks ();
1538 if (vp->object_size > 1)
1539 new_links->datum = (page_type *) xcalloc (1, vp->object_size);
1542 new_links->datum = allocate_page ();
1544 alloc_counts[(int)alloc_type_varray].total_alloc++;
1545 alloc_counts[(int)alloc_type_varray].total_pages++;
1547 new_links->start_index = vp->num_allocated;
1548 vp->objects_last_page = 0;
1550 if (vp->first == (vlinks_t *) NULL) /* first allocation? */
1551 vp->first = vp->last = new_links;
1553 { /* 2nd or greater allocation */
1554 new_links->prev = vp->last;
1555 vp->last->next = new_links;
1556 vp->last = new_links;
1560 /* Add a string (and null pad) to one of the string tables. */
1563 add_string (vp, hash_tbl, str, ret_hash)
1564 varray_t *vp; /* string obstack */
1565 struct hash_control *hash_tbl; /* ptr to hash table */
1566 const char *str; /* string */
1567 shash_t **ret_hash; /* return hash pointer */
1569 register unsigned long len = strlen (str);
1570 register shash_t *hash_ptr;
1572 if (len >= PAGE_USIZE)
1573 as_fatal (_("String too big (%lu bytes)"), len);
1575 hash_ptr = (shash_t *) hash_find (hash_tbl, str);
1576 if (hash_ptr == (shash_t *) NULL)
1578 register const char *err;
1580 if (vp->objects_last_page + len >= PAGE_USIZE)
1583 ((vp->num_allocated + PAGE_USIZE - 1) / PAGE_USIZE) * PAGE_USIZE;
1584 add_varray_page (vp);
1587 hash_ptr = allocate_shash ();
1588 hash_ptr->indx = vp->num_allocated;
1590 hash_ptr->string = &vp->last->datum->byte[vp->objects_last_page];
1592 vp->objects_last_page += len + 1;
1593 vp->num_allocated += len + 1;
1595 strcpy (hash_ptr->string, str);
1597 err = hash_insert (hash_tbl, str, (char *) hash_ptr);
1599 as_fatal (_("Inserting \"%s\" into string hash table: %s"),
1603 if (ret_hash != (shash_t **) NULL)
1604 *ret_hash = hash_ptr;
1606 return hash_ptr->indx;
1609 /* Add debugging information for a symbol. */
1612 add_ecoff_symbol (str, type, storage, sym_value, addend, value, indx)
1613 const char *str; /* symbol name */
1614 st_t type; /* symbol type */
1615 sc_t storage; /* storage class */
1616 symbolS *sym_value; /* associated symbol. */
1617 bfd_vma addend; /* addend to sym_value. */
1618 symint_t value; /* value of symbol */
1619 symint_t indx; /* index to local/aux. syms */
1622 register scope_t *pscope;
1623 register thead_t *ptag_head;
1624 register tag_t *ptag;
1625 register tag_t *ptag_next;
1626 register varray_t *vp;
1627 register int scope_delta = 0;
1628 shash_t *hash_ptr = (shash_t *) NULL;
1630 if (cur_file_ptr == (efdr_t *) NULL)
1631 as_fatal (_("no current file pointer"));
1633 vp = &cur_file_ptr->symbols;
1635 if (vp->objects_last_page == vp->objects_per_page)
1636 add_varray_page (vp);
1638 psym = &vp->last->datum->sym[ vp->objects_last_page++ ];
1640 if (str == (const char *) NULL && sym_value != (symbolS *) NULL)
1641 psym->name = S_GET_NAME (sym_value);
1644 psym->as_sym = sym_value;
1645 if (sym_value != (symbolS *) NULL)
1646 sym_value->ecoff_symbol = psym;
1647 psym->addend = addend;
1648 psym->file_ptr = cur_file_ptr;
1649 psym->proc_ptr = cur_proc_ptr;
1650 psym->begin_ptr = (localsym_t *) NULL;
1651 psym->index_ptr = (aux_t *) NULL;
1652 psym->forward_ref = (forward_t *) NULL;
1653 psym->sym_index = -1;
1654 memset (&psym->ecoff_sym, 0, sizeof (EXTR));
1655 psym->ecoff_sym.asym.value = value;
1656 psym->ecoff_sym.asym.st = (unsigned) type;
1657 psym->ecoff_sym.asym.sc = (unsigned) storage;
1658 psym->ecoff_sym.asym.index = indx;
1660 /* If there is an associated symbol, we wait until the end of the
1661 assembly before deciding where to put the name (it may be just an
1662 external symbol). Otherwise, this is just a debugging symbol and
1663 the name should go with the current file. */
1664 if (sym_value == (symbolS *) NULL)
1665 psym->ecoff_sym.asym.iss = ((str == (const char *) NULL)
1667 : add_string (&cur_file_ptr->strings,
1668 cur_file_ptr->str_hash,
1672 ++vp->num_allocated;
1674 if (ECOFF_IS_STAB (&psym->ecoff_sym.asym))
1677 /* Save the symbol within the hash table if this is a static
1678 item, and it has a name. */
1679 if (hash_ptr != (shash_t *) NULL
1680 && (type == st_Global || type == st_Static || type == st_Label
1681 || type == st_Proc || type == st_StaticProc))
1682 hash_ptr->sym_ptr = psym;
1684 /* push or pop a scope if appropriate. */
1690 case st_File: /* beginning of file */
1691 case st_Proc: /* procedure */
1692 case st_StaticProc: /* static procedure */
1693 case st_Block: /* begin scope */
1694 pscope = allocate_scope ();
1695 pscope->prev = cur_file_ptr->cur_scope;
1696 pscope->lsym = psym;
1697 pscope->type = type;
1698 cur_file_ptr->cur_scope = pscope;
1700 if (type != st_File)
1703 /* For every block type except file, struct, union, or
1704 enumeration blocks, push a level on the tag stack. We omit
1705 file types, so that tags can span file boundaries. */
1706 if (type != st_File && storage != sc_Info)
1708 ptag_head = allocate_thead ();
1709 ptag_head->first_tag = 0;
1710 ptag_head->prev = cur_tag_head;
1711 cur_tag_head = ptag_head;
1716 pscope = cur_file_ptr->cur_scope;
1717 if (pscope == (scope_t *) NULL)
1718 as_fatal (_("too many st_End's"));
1721 st_t begin_type = (st_t) pscope->lsym->ecoff_sym.asym.st;
1723 psym->begin_ptr = pscope->lsym;
1725 if (begin_type != st_File)
1728 /* Except for file, structure, union, or enumeration end
1729 blocks remove all tags created within this scope. */
1730 if (begin_type != st_File && storage != sc_Info)
1732 ptag_head = cur_tag_head;
1733 cur_tag_head = ptag_head->prev;
1735 for (ptag = ptag_head->first_tag;
1736 ptag != (tag_t *) NULL;
1739 if (ptag->forward_ref != (forward_t *) NULL)
1740 add_unknown_tag (ptag);
1742 ptag_next = ptag->same_block;
1743 ptag->hash_ptr->tag_ptr = ptag->same_name;
1747 free_thead (ptag_head);
1750 cur_file_ptr->cur_scope = pscope->prev;
1752 /* block begin gets next sym #. This is set when we know
1753 the symbol index value. */
1755 /* Functions push two or more aux words as follows:
1756 1st word: index+1 of the end symbol (filled in later).
1757 2nd word: type of the function (plus any aux words needed).
1758 Also, tie the external pointer back to the function begin symbol. */
1759 if (begin_type != st_File && begin_type != st_Block)
1762 varray_t *svp = &cur_file_ptr->aux_syms;
1764 pscope->lsym->ecoff_sym.asym.index = add_aux_sym_symint (0);
1765 pscope->lsym->index_ptr =
1766 &svp->last->datum->aux[svp->objects_last_page - 1];
1767 ty = add_aux_sym_tir (&last_func_type_info,
1769 &cur_file_ptr->thash_head[0]);
1771 /* This seems to be unnecessary. I'm not even sure what it is
1772 * intended to do. It's from mips-tfile.
1773 * if (last_func_sym_value != (symbolS *) NULL)
1775 * last_func_sym_value->ifd = cur_file_ptr->file_index;
1776 * last_func_sym_value->index = ty;
1781 free_scope (pscope);
1785 cur_file_ptr->nested_scopes += scope_delta;
1788 if (debug && type != st_File
1789 && (debug > 2 || type == st_Block || type == st_End
1790 || type == st_Proc || type == st_StaticProc))
1792 char *sc_str = sc_to_string (storage);
1793 char *st_str = st_to_string (type);
1794 int depth = cur_file_ptr->nested_scopes + (scope_delta < 0);
1797 "\tlsym\tv= %10ld, depth= %2d, sc= %-12s",
1798 value, depth, sc_str);
1800 if (str_start && str_end_p1 - str_start > 0)
1801 fprintf (stderr, " st= %-11s name= %.*s\n", st_str, str_end_p1 - str_start, str_start);
1804 unsigned long len = strlen (st_str);
1805 fprintf (stderr, " st= %.*s\n", len-1, st_str);
1813 /* Add an auxiliary symbol (passing a symint). This is actually used
1814 for integral aux types, not just symints. */
1817 add_aux_sym_symint (aux_word)
1818 symint_t aux_word; /* auxiliary information word */
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_isym;
1833 aux_ptr->data.isym = aux_word;
1835 return vp->num_allocated++;
1839 /* Add an auxiliary symbol (passing a file/symbol index combo). */
1842 add_aux_sym_rndx (file_index, sym_index)
1846 register varray_t *vp;
1847 register aux_t *aux_ptr;
1849 if (cur_file_ptr == (efdr_t *) NULL)
1850 as_fatal (_("no current file pointer"));
1852 vp = &cur_file_ptr->aux_syms;
1854 if (vp->objects_last_page == vp->objects_per_page)
1855 add_varray_page (vp);
1857 aux_ptr = &vp->last->datum->aux[vp->objects_last_page++];
1858 aux_ptr->type = aux_rndx;
1859 aux_ptr->data.rndx.rfd = file_index;
1860 aux_ptr->data.rndx.index = sym_index;
1862 return vp->num_allocated++;
1865 /* Add an auxiliary symbol (passing the basic type and possibly
1866 type qualifiers). */
1869 add_aux_sym_tir (t, state, hash_tbl)
1870 type_info_t *t; /* current type information */
1871 hash_state_t state; /* whether to hash type or not */
1872 thash_t **hash_tbl; /* pointer to hash table to use */
1874 register varray_t *vp;
1875 register aux_t *aux_ptr;
1876 static AUXU init_aux;
1881 if (cur_file_ptr == (efdr_t *) NULL)
1882 as_fatal (_("no current file pointer"));
1884 vp = &cur_file_ptr->aux_syms;
1887 aux.ti.bt = (int) t->basic_type;
1888 aux.ti.continued = 0;
1889 aux.ti.fBitfield = t->bitfield;
1891 aux.ti.tq0 = (int) t->type_qualifiers[0];
1892 aux.ti.tq1 = (int) t->type_qualifiers[1];
1893 aux.ti.tq2 = (int) t->type_qualifiers[2];
1894 aux.ti.tq3 = (int) t->type_qualifiers[3];
1895 aux.ti.tq4 = (int) t->type_qualifiers[4];
1896 aux.ti.tq5 = (int) t->type_qualifiers[5];
1899 /* For anything that adds additional information, we must not hash,
1900 so check here, and reset our state. */
1902 if (state != hash_no
1903 && (t->type_qualifiers[0] == tq_Array
1904 || t->type_qualifiers[1] == tq_Array
1905 || t->type_qualifiers[2] == tq_Array
1906 || t->type_qualifiers[3] == tq_Array
1907 || t->type_qualifiers[4] == tq_Array
1908 || t->type_qualifiers[5] == tq_Array
1909 || t->basic_type == bt_Struct
1910 || t->basic_type == bt_Union
1911 || t->basic_type == bt_Enum
1913 || t->num_dims > 0))
1916 /* See if we can hash this type, and save some space, but some types
1917 can't be hashed (because they contain arrays or continuations),
1918 and others can be put into the hash list, but cannot use existing
1919 types because other aux entries precede this one. */
1921 if (state != hash_no)
1923 register thash_t *hash_ptr;
1924 register symint_t hi;
1926 hi = aux.isym & ((1 << HASHBITS) - 1);
1929 for (hash_ptr = hash_tbl[hi];
1930 hash_ptr != (thash_t *)0;
1931 hash_ptr = hash_ptr->next)
1933 if (aux.isym == hash_ptr->type.isym)
1937 if (hash_ptr != (thash_t *) NULL && state == hash_yes)
1938 return hash_ptr->indx;
1940 if (hash_ptr == (thash_t *) NULL)
1942 hash_ptr = allocate_thash ();
1943 hash_ptr->next = hash_tbl[hi];
1944 hash_ptr->type = aux;
1945 hash_ptr->indx = vp->num_allocated;
1946 hash_tbl[hi] = hash_ptr;
1950 /* Everything is set up, add the aux symbol. */
1951 if (vp->objects_last_page == vp->objects_per_page)
1952 add_varray_page (vp);
1954 aux_ptr = &vp->last->datum->aux[ vp->objects_last_page++ ];
1955 aux_ptr->type = aux_tir;
1956 aux_ptr->data = aux;
1958 ret = vp->num_allocated++;
1960 /* Add bitfield length if it exists.
1962 NOTE: Mips documentation claims bitfield goes at the end of the
1963 AUX record, but the DECstation compiler emits it here.
1964 (This would only make a difference for enum bitfields.)
1966 Also note: We use the last size given since gcc may emit 2
1967 for an enum bitfield. */
1970 (void) add_aux_sym_symint ((symint_t)t->sizes[t->num_sizes-1]);
1973 /* Add tag information if needed. Structure, union, and enum
1974 references add 2 aux symbols: a [file index, symbol index]
1975 pointer to the structure type, and the current file index. */
1977 if (t->basic_type == bt_Struct
1978 || t->basic_type == bt_Union
1979 || t->basic_type == bt_Enum)
1981 register symint_t file_index = t->tag_ptr->ifd;
1982 register localsym_t *sym = t->tag_ptr->sym;
1983 register forward_t *forward_ref = allocate_forward ();
1985 if (sym != (localsym_t *) NULL)
1987 forward_ref->next = sym->forward_ref;
1988 sym->forward_ref = forward_ref;
1992 forward_ref->next = t->tag_ptr->forward_ref;
1993 t->tag_ptr->forward_ref = forward_ref;
1996 (void) add_aux_sym_rndx (ST_RFDESCAPE, indexNil);
1997 forward_ref->index_ptr
1998 = &vp->last->datum->aux[ vp->objects_last_page - 1];
2000 (void) add_aux_sym_symint (file_index);
2001 forward_ref->ifd_ptr
2002 = &vp->last->datum->aux[ vp->objects_last_page - 1];
2005 /* Add information about array bounds if they exist. */
2006 for (i = 0; i < t->num_dims; i++)
2008 (void) add_aux_sym_rndx (ST_RFDESCAPE,
2009 cur_file_ptr->int_type);
2011 (void) add_aux_sym_symint (cur_file_ptr->file_index); /* file index*/
2012 (void) add_aux_sym_symint ((symint_t) 0); /* low bound */
2013 (void) add_aux_sym_symint (t->dimensions[i] - 1); /* high bound*/
2014 (void) add_aux_sym_symint ((t->dimensions[i] == 0) /* stride */
2016 : (t->sizes[i] * 8) / t->dimensions[i]);
2019 /* NOTE: Mips documentation claims that the bitfield width goes here.
2020 But it needs to be emitted earlier. */
2025 /* Add a tag to the tag table (unless it already exists). */
2028 get_tag (tag, sym, basic_type)
2029 const char *tag; /* tag name */
2030 localsym_t *sym; /* tag start block */
2031 bt_t basic_type; /* bt_Struct, bt_Union, or bt_Enum */
2037 if (cur_file_ptr == (efdr_t *) NULL)
2038 as_fatal (_("no current file pointer"));
2040 hash_ptr = (shash_t *) hash_find (tag_hash, tag);
2042 if (hash_ptr != (shash_t *) NULL
2043 && hash_ptr->tag_ptr != (tag_t *) NULL)
2045 tag_ptr = hash_ptr->tag_ptr;
2046 if (sym != (localsym_t *) NULL)
2048 tag_ptr->basic_type = basic_type;
2049 tag_ptr->ifd = cur_file_ptr->file_index;
2055 if (hash_ptr == (shash_t *) NULL)
2059 perm = xmalloc ((unsigned long) (strlen (tag) + 1));
2061 hash_ptr = allocate_shash ();
2062 err = hash_insert (tag_hash, perm, (char *) hash_ptr);
2064 as_fatal (_("Inserting \"%s\" into tag hash table: %s"),
2066 hash_ptr->string = perm;
2069 tag_ptr = allocate_tag ();
2070 tag_ptr->forward_ref = (forward_t *) NULL;
2071 tag_ptr->hash_ptr = hash_ptr;
2072 tag_ptr->same_name = hash_ptr->tag_ptr;
2073 tag_ptr->basic_type = basic_type;
2075 tag_ptr->ifd = ((sym == (localsym_t *) NULL)
2077 : cur_file_ptr->file_index);
2078 tag_ptr->same_block = cur_tag_head->first_tag;
2080 cur_tag_head->first_tag = tag_ptr;
2081 hash_ptr->tag_ptr = tag_ptr;
2086 /* Add an unknown {struct, union, enum} tag. */
2089 add_unknown_tag (ptag)
2090 tag_t *ptag; /* pointer to tag information */
2092 shash_t *hash_ptr = ptag->hash_ptr;
2093 char *name = hash_ptr->string;
2100 char *agg_type = "{unknown aggregate type}";
2101 switch (ptag->basic_type)
2103 case bt_Struct: agg_type = "struct"; break;
2104 case bt_Union: agg_type = "union"; break;
2105 case bt_Enum: agg_type = "enum"; break;
2109 fprintf (stderr, "unknown %s %.*s found\n", agg_type,
2110 hash_ptr->len, name_start);
2114 sym = add_ecoff_symbol (name,
2122 (void) add_ecoff_symbol (name,
2130 for (pf = &sym->forward_ref; *pf != (forward_t *) NULL; pf = &(*pf)->next)
2132 *pf = ptag->forward_ref;
2135 /* Add a procedure to the current file's list of procedures, and record
2136 this is the current procedure. */
2139 add_procedure (func)
2140 char *func; /* func name */
2142 register varray_t *vp;
2143 register proc_t *new_proc_ptr;
2148 fputc ('\n', stderr);
2151 if (cur_file_ptr == (efdr_t *) NULL)
2152 as_fatal (_("no current file pointer"));
2154 vp = &cur_file_ptr->procs;
2156 if (vp->objects_last_page == vp->objects_per_page)
2157 add_varray_page (vp);
2159 cur_proc_ptr = new_proc_ptr = &vp->last->datum->proc[vp->objects_last_page++];
2161 if (first_proc_ptr == (proc_t *) NULL)
2162 first_proc_ptr = new_proc_ptr;
2164 vp->num_allocated++;
2166 new_proc_ptr->pdr.isym = -1;
2167 new_proc_ptr->pdr.iline = -1;
2168 new_proc_ptr->pdr.lnLow = -1;
2169 new_proc_ptr->pdr.lnHigh = -1;
2171 /* Set the BSF_FUNCTION flag for the symbol. */
2172 sym = symbol_find_or_make (func);
2173 sym->bsym->flags |= BSF_FUNCTION;
2175 /* Push the start of the function. */
2176 new_proc_ptr->sym = add_ecoff_symbol ((const char *) NULL, st_Proc, sc_Text,
2177 sym, (bfd_vma) 0, (symint_t) 0,
2182 /* Fill in the linenos preceding the .ent, if any. */
2183 if (noproc_lineno != (lineno_list_t *) NULL)
2187 for (l = noproc_lineno; l != (lineno_list_t *) NULL; l = l->next)
2188 l->proc = new_proc_ptr;
2189 *last_lineno_ptr = noproc_lineno;
2190 while (*last_lineno_ptr != NULL)
2192 last_lineno = *last_lineno_ptr;
2193 last_lineno_ptr = &last_lineno->next;
2195 noproc_lineno = (lineno_list_t *) NULL;
2200 ecoff_get_cur_proc_sym ()
2202 return (cur_proc_ptr ? cur_proc_ptr->sym->as_sym : NULL);
2205 /* Add a new filename, and set up all of the file relative
2206 virtual arrays (strings, symbols, aux syms, etc.). Record
2207 where the current file structure lives. */
2210 add_file (file_name, indx, fake)
2211 const char *file_name; /* file name */
2215 register int first_ch;
2216 register efdr_t *fil_ptr;
2220 fprintf (stderr, "\tfile\t%.*s\n", len, file_start);
2223 /* If the file name is NULL, then no .file symbol appeared, and we
2224 want to use the actual file name. */
2225 if (file_name == (const char *) NULL)
2229 if (first_file != (efdr_t *) NULL)
2230 as_fatal (_("fake .file after real one"));
2231 as_where (&file, (unsigned int *) NULL);
2232 file_name = (const char *) file;
2234 /* Automatically generate ECOFF debugging information, since I
2235 think that's what other ECOFF assemblers do. We don't do
2236 this if we see a .file directive with a string, since that
2237 implies that some sort of debugging information is being
2239 if (! symbol_table_frozen && debug_type == DEBUG_NONE)
2240 debug_type = DEBUG_ECOFF;
2245 listing_source_file (file_name);
2248 current_stabs_filename = file_name;
2250 /* If we're creating stabs, then we don't actually make a new FDR.
2251 Instead, we just create a stabs symbol. */
2254 (void) add_ecoff_symbol (file_name, st_Nil, sc_Nil,
2255 symbol_new ("L0\001", now_seg,
2256 (valueT) frag_now_fix (),
2258 (bfd_vma) 0, 0, ECOFF_MARK_STAB (N_SOL));
2262 first_ch = *file_name;
2264 /* FIXME: We can't safely merge files which have line number
2265 information (fMerge will be zero in this case). Otherwise, we
2266 get incorrect line number debugging info. See for instance
2267 ecoff_build_lineno, which will end up setting all file->fdr.*
2268 fields multiple times, resulting in incorrect debug info. In
2269 order to make this work right, all line number and symbol info
2270 for the same source file has to be adjacent in the object file,
2271 so that a single file descriptor can be used to point to them.
2272 This would require maintaining file specific lists of line
2273 numbers and symbols for each file, so that they can be merged
2274 together (or output together) when two .file pseudo-ops are
2275 merged into one file descriptor. */
2277 /* See if the file has already been created. */
2278 for (fil_ptr = first_file;
2279 fil_ptr != (efdr_t *) NULL;
2280 fil_ptr = fil_ptr->next_file)
2282 if (first_ch == fil_ptr->name[0]
2283 && strcmp (file_name, fil_ptr->name) == 0
2284 && fil_ptr->fdr.fMerge)
2286 cur_file_ptr = fil_ptr;
2288 cur_file_ptr->fake = 0;
2293 /* If this is a new file, create it. */
2294 if (fil_ptr == (efdr_t *) NULL)
2296 if (file_desc.objects_last_page == file_desc.objects_per_page)
2297 add_varray_page (&file_desc);
2299 fil_ptr = cur_file_ptr =
2300 &file_desc.last->datum->file[file_desc.objects_last_page++];
2301 *fil_ptr = init_file;
2303 fil_ptr->file_index = current_file_idx++;
2304 ++file_desc.num_allocated;
2306 fil_ptr->fake = fake;
2308 /* Allocate the string hash table. */
2309 fil_ptr->str_hash = hash_new ();
2311 /* Make sure 0 byte in string table is null */
2312 add_string (&fil_ptr->strings,
2317 if (strlen (file_name) > PAGE_USIZE - 2)
2318 as_fatal (_("Filename goes over one page boundary."));
2320 /* Push the start of the filename. We assume that the filename
2321 will be stored at string offset 1. */
2322 (void) add_ecoff_symbol (file_name, st_File, sc_Text,
2323 (symbolS *) NULL, (bfd_vma) 0,
2324 (symint_t) 0, (symint_t) 0);
2325 fil_ptr->fdr.rss = 1;
2326 fil_ptr->name = &fil_ptr->strings.last->datum->byte[1];
2328 /* Update the linked list of file descriptors. */
2329 *last_file_ptr = fil_ptr;
2330 last_file_ptr = &fil_ptr->next_file;
2332 /* Add void & int types to the file (void should be first to catch
2333 errant 0's within the index fields). */
2334 fil_ptr->void_type = add_aux_sym_tir (&void_type_info,
2336 &cur_file_ptr->thash_head[0]);
2338 fil_ptr->int_type = add_aux_sym_tir (&int_type_info,
2340 &cur_file_ptr->thash_head[0]);
2344 /* This function is called when the assembler notices a preprocessor
2345 directive switching to a new file. This will not happen in
2346 compiler output, only in hand coded assembler. */
2349 ecoff_new_file (name)
2352 if (cur_file_ptr != NULL && strcmp (cur_file_ptr->name, name) == 0)
2354 add_file (name, 0, 0);
2356 /* This is a hand coded assembler file, so automatically turn on
2357 debugging information. */
2358 if (debug_type == DEBUG_NONE)
2359 debug_type = DEBUG_ECOFF;
2364 /* Convert storage class to string. */
2367 sc_to_string(storage_class)
2370 switch(storage_class)
2372 case sc_Nil: return "Nil,";
2373 case sc_Text: return "Text,";
2374 case sc_Data: return "Data,";
2375 case sc_Bss: return "Bss,";
2376 case sc_Register: return "Register,";
2377 case sc_Abs: return "Abs,";
2378 case sc_Undefined: return "Undefined,";
2379 case sc_CdbLocal: return "CdbLocal,";
2380 case sc_Bits: return "Bits,";
2381 case sc_CdbSystem: return "CdbSystem,";
2382 case sc_RegImage: return "RegImage,";
2383 case sc_Info: return "Info,";
2384 case sc_UserStruct: return "UserStruct,";
2385 case sc_SData: return "SData,";
2386 case sc_SBss: return "SBss,";
2387 case sc_RData: return "RData,";
2388 case sc_Var: return "Var,";
2389 case sc_Common: return "Common,";
2390 case sc_SCommon: return "SCommon,";
2391 case sc_VarRegister: return "VarRegister,";
2392 case sc_Variant: return "Variant,";
2393 case sc_SUndefined: return "SUndefined,";
2394 case sc_Init: return "Init,";
2395 case sc_Max: return "Max,";
2405 /* Convert symbol type to string. */
2408 st_to_string(symbol_type)
2413 case st_Nil: return "Nil,";
2414 case st_Global: return "Global,";
2415 case st_Static: return "Static,";
2416 case st_Param: return "Param,";
2417 case st_Local: return "Local,";
2418 case st_Label: return "Label,";
2419 case st_Proc: return "Proc,";
2420 case st_Block: return "Block,";
2421 case st_End: return "End,";
2422 case st_Member: return "Member,";
2423 case st_Typedef: return "Typedef,";
2424 case st_File: return "File,";
2425 case st_RegReloc: return "RegReloc,";
2426 case st_Forward: return "Forward,";
2427 case st_StaticProc: return "StaticProc,";
2428 case st_Constant: return "Constant,";
2429 case st_Str: return "String,";
2430 case st_Number: return "Number,";
2431 case st_Expr: return "Expr,";
2432 case st_Type: return "Type,";
2433 case st_Max: return "Max,";
2441 /* Parse .begin directives which have a label as the first argument
2442 which gives the location of the start of the block. */
2445 ecoff_directive_begin (ignore)
2451 if (cur_file_ptr == (efdr_t *) NULL)
2453 as_warn (_(".begin directive without a preceding .file directive"));
2454 demand_empty_rest_of_line ();
2458 if (cur_proc_ptr == (proc_t *) NULL)
2460 as_warn (_(".begin directive without a preceding .ent directive"));
2461 demand_empty_rest_of_line ();
2465 name = input_line_pointer;
2466 name_end = get_symbol_end ();
2468 (void) add_ecoff_symbol ((const char *) NULL, st_Block, sc_Text,
2469 symbol_find_or_make (name),
2470 (bfd_vma) 0, (symint_t) 0, (symint_t) 0);
2472 *input_line_pointer = name_end;
2474 /* The line number follows, but we don't use it. */
2475 (void) get_absolute_expression ();
2476 demand_empty_rest_of_line ();
2479 /* Parse .bend directives which have a label as the first argument
2480 which gives the location of the end of the block. */
2483 ecoff_directive_bend (ignore)
2490 if (cur_file_ptr == (efdr_t *) NULL)
2492 as_warn (_(".bend directive without a preceding .file directive"));
2493 demand_empty_rest_of_line ();
2497 if (cur_proc_ptr == (proc_t *) NULL)
2499 as_warn (_(".bend directive without a preceding .ent directive"));
2500 demand_empty_rest_of_line ();
2504 name = input_line_pointer;
2505 name_end = get_symbol_end ();
2507 /* The value is the distance between the .bend directive and the
2508 corresponding symbol. We fill in the offset when we write out
2510 endsym = symbol_find (name);
2511 if (endsym == (symbolS *) NULL)
2512 as_warn (_(".bend directive names unknown symbol"));
2514 (void) add_ecoff_symbol ((const char *) NULL, st_End, sc_Text, endsym,
2515 (bfd_vma) 0, (symint_t) 0, (symint_t) 0);
2517 *input_line_pointer = name_end;
2519 /* The line number follows, but we don't use it. */
2520 (void) get_absolute_expression ();
2521 demand_empty_rest_of_line ();
2524 /* COFF debugging information is provided as a series of directives
2525 (.def, .scl, etc.). We build up information as we read the
2526 directives in the following static variables, and file it away when
2527 we reach the .endef directive. */
2528 static char *coff_sym_name;
2529 static type_info_t coff_type;
2530 static sc_t coff_storage_class;
2531 static st_t coff_symbol_typ;
2532 static int coff_is_function;
2533 static char *coff_tag;
2534 static valueT coff_value;
2535 static symbolS *coff_sym_value;
2536 static bfd_vma coff_sym_addend;
2537 static int coff_inside_enumeration;
2539 /* Handle a .def directive: start defining a symbol. */
2542 ecoff_directive_def (ignore)
2548 ecoff_debugging_seen = 1;
2552 name = input_line_pointer;
2553 name_end = get_symbol_end ();
2555 if (coff_sym_name != (char *) NULL)
2556 as_warn (_(".def pseudo-op used inside of .def/.endef; ignored"));
2557 else if (*name == '\0')
2558 as_warn (_("Empty symbol name in .def; ignored"));
2561 if (coff_sym_name != (char *) NULL)
2562 free (coff_sym_name);
2563 if (coff_tag != (char *) NULL)
2565 coff_sym_name = (char *) xmalloc ((unsigned long) (strlen (name) + 1));
2566 strcpy (coff_sym_name, name);
2567 coff_type = type_info_init;
2568 coff_storage_class = sc_Nil;
2569 coff_symbol_typ = st_Nil;
2570 coff_is_function = 0;
2571 coff_tag = (char *) NULL;
2573 coff_sym_value = (symbolS *) NULL;
2574 coff_sym_addend = 0;
2577 *input_line_pointer = name_end;
2579 demand_empty_rest_of_line ();
2582 /* Handle a .dim directive, used to give dimensions for an array. The
2583 arguments are comma separated numbers. mips-tfile assumes that
2584 there will not be more than 6 dimensions, and gdb won't read any
2585 more than that anyhow, so I will also make that assumption. */
2588 ecoff_directive_dim (ignore)
2594 if (coff_sym_name == (char *) NULL)
2596 as_warn (_(".dim pseudo-op used outside of .def/.endef; ignored"));
2597 demand_empty_rest_of_line ();
2601 for (i = 0; i < N_TQ; i++)
2604 dimens[i] = get_absolute_expression ();
2605 if (*input_line_pointer == ',')
2606 ++input_line_pointer;
2609 if (*input_line_pointer != '\n'
2610 && *input_line_pointer != ';')
2611 as_warn (_("Badly formed .dim directive"));
2619 /* The dimensions are stored away in reverse order. */
2622 if (coff_type.num_dims >= N_TQ)
2624 as_warn (_("Too many .dim entries"));
2627 coff_type.dimensions[coff_type.num_dims] = dimens[i];
2628 ++coff_type.num_dims;
2631 demand_empty_rest_of_line ();
2634 /* Handle a .scl directive, which sets the COFF storage class of the
2638 ecoff_directive_scl (ignore)
2643 if (coff_sym_name == (char *) NULL)
2645 as_warn (_(".scl pseudo-op used outside of .def/.endef; ignored"));
2646 demand_empty_rest_of_line ();
2650 val = get_absolute_expression ();
2652 coff_symbol_typ = map_coff_sym_type[val];
2653 coff_storage_class = map_coff_storage[val];
2655 demand_empty_rest_of_line ();
2658 /* Handle a .size directive. For some reason mips-tfile.c thinks that
2659 .size can have multiple arguments. We humor it, although gcc will
2660 never generate more than one argument. */
2663 ecoff_directive_size (ignore)
2669 if (coff_sym_name == (char *) NULL)
2671 as_warn (_(".size pseudo-op used outside of .def/.endef; ignored"));
2672 demand_empty_rest_of_line ();
2676 for (i = 0; i < N_TQ; i++)
2679 sizes[i] = get_absolute_expression ();
2680 if (*input_line_pointer == ',')
2681 ++input_line_pointer;
2684 if (*input_line_pointer != '\n'
2685 && *input_line_pointer != ';')
2686 as_warn (_("Badly formed .size directive"));
2694 /* The sizes are stored away in reverse order. */
2697 if (coff_type.num_sizes >= N_TQ)
2699 as_warn (_("Too many .size entries"));
2702 coff_type.sizes[coff_type.num_sizes] = sizes[i];
2703 ++coff_type.num_sizes;
2706 demand_empty_rest_of_line ();
2709 /* Handle the .type directive, which gives the COFF type of the
2713 ecoff_directive_type (ignore)
2720 if (coff_sym_name == (char *) NULL)
2722 as_warn (_(".type pseudo-op used outside of .def/.endef; ignored"));
2723 demand_empty_rest_of_line ();
2727 val = get_absolute_expression ();
2729 coff_type.orig_type = BTYPE (val);
2730 coff_type.basic_type = map_coff_types[coff_type.orig_type];
2732 tq_ptr = &coff_type.type_qualifiers[N_TQ];
2733 while (val &~ N_BTMASK)
2735 if (tq_ptr == &coff_type.type_qualifiers[0])
2737 /* FIXME: We could handle this by setting the continued bit.
2738 There would still be a limit: the .type argument can not
2740 as_warn (_("The type of %s is too complex; it will be simplified"),
2746 else if (ISFCN (val))
2747 *--tq_ptr = tq_Proc;
2748 else if (ISARY (val))
2749 *--tq_ptr = tq_Array;
2751 as_fatal (_("Unrecognized .type argument"));
2756 tq_shft = &coff_type.type_qualifiers[0];
2757 while (tq_ptr != &coff_type.type_qualifiers[N_TQ])
2758 *tq_shft++ = *tq_ptr++;
2760 if (tq_shft != &coff_type.type_qualifiers[0] && tq_shft[-1] == tq_Proc)
2762 /* If this is a function, ignore it, so that we don't get two
2763 entries (one from the .ent, and one for the .def that
2764 precedes it). Save the type information so that the end
2765 block can properly add it after the begin block index. For
2766 MIPS knows what reason, we must strip off the function type
2768 coff_is_function = 1;
2769 tq_shft[-1] = tq_Nil;
2772 while (tq_shft != &coff_type.type_qualifiers[N_TQ])
2773 *tq_shft++ = tq_Nil;
2775 demand_empty_rest_of_line ();
2778 /* Handle the .tag directive, which gives the name of a structure,
2782 ecoff_directive_tag (ignore)
2788 if (coff_sym_name == (char *) NULL)
2790 as_warn (_(".tag pseudo-op used outside of .def/.endef; ignored"));
2791 demand_empty_rest_of_line ();
2795 name = input_line_pointer;
2796 name_end = get_symbol_end ();
2798 coff_tag = (char *) xmalloc ((unsigned long) (strlen (name) + 1));
2799 strcpy (coff_tag, name);
2801 *input_line_pointer = name_end;
2803 demand_empty_rest_of_line ();
2806 /* Handle the .val directive, which gives the value of the symbol. It
2807 may be the name of a static or global symbol. */
2810 ecoff_directive_val (ignore)
2815 if (coff_sym_name == (char *) NULL)
2817 as_warn (_(".val pseudo-op used outside of .def/.endef; ignored"));
2818 demand_empty_rest_of_line ();
2823 if (exp.X_op != O_constant && exp.X_op != O_symbol)
2825 as_bad (_(".val expression is too copmlex"));
2826 demand_empty_rest_of_line ();
2830 if (exp.X_op == O_constant)
2831 coff_value = exp.X_add_number;
2834 coff_sym_value = exp.X_add_symbol;
2835 coff_sym_addend = exp.X_add_number;
2838 demand_empty_rest_of_line ();
2841 /* Handle the .endef directive, which terminates processing of COFF
2842 debugging information for a symbol. */
2845 ecoff_directive_endef (ignore)
2852 demand_empty_rest_of_line ();
2854 if (coff_sym_name == (char *) NULL)
2856 as_warn (_(".endef pseudo-op used before .def; ignored"));
2860 name = coff_sym_name;
2861 coff_sym_name = (char *) NULL;
2863 /* If the symbol is a static or external, we have already gotten the
2864 appropriate type and class, so make sure we don't override those
2865 values. This is needed because there are some type and classes
2866 that are not in COFF, such as short data, etc. */
2867 if (coff_sym_value != (symbolS *) NULL)
2869 coff_symbol_typ = st_Nil;
2870 coff_storage_class = sc_Nil;
2873 coff_type.extra_sizes = coff_tag != (char *) NULL;
2874 if (coff_type.num_dims > 0)
2876 int diff = coff_type.num_dims - coff_type.num_sizes;
2877 int i = coff_type.num_dims - 1;
2880 if (coff_type.num_sizes != 1 || diff < 0)
2882 as_warn (_("Bad COFF debugging info"));
2886 /* If this is an array, make sure the same number of dimensions
2887 and sizes were passed, creating extra sizes for multiply
2888 dimensioned arrays if not passed. */
2889 coff_type.extra_sizes = 0;
2892 j = (sizeof (coff_type.sizes) / sizeof (coff_type.sizes[0])) - 1;
2895 coff_type.sizes[j] = (((j - diff) >= 0)
2896 ? coff_type.sizes[j - diff]
2901 coff_type.num_sizes = i + 1;
2902 for (i--; i >= 0; i--)
2903 coff_type.sizes[i] = (coff_type.dimensions[i + 1] == 0
2905 : (coff_type.sizes[i + 1]
2906 / coff_type.dimensions[i + 1]));
2909 else if (coff_symbol_typ == st_Member
2910 && coff_type.num_sizes - coff_type.extra_sizes == 1)
2912 /* Is this a bitfield? This is indicated by a structure memeber
2913 having a size field that isn't an array. */
2914 coff_type.bitfield = 1;
2917 /* Except for enumeration members & begin/ending of scopes, put the
2918 type word in the aux. symbol table. */
2919 if (coff_symbol_typ == st_Block || coff_symbol_typ == st_End)
2921 else if (coff_inside_enumeration)
2922 indx = cur_file_ptr->void_type;
2925 if (coff_type.basic_type == bt_Struct
2926 || coff_type.basic_type == bt_Union
2927 || coff_type.basic_type == bt_Enum)
2929 if (coff_tag == (char *) NULL)
2931 as_warn (_("No tag specified for %s"), name);
2935 coff_type.tag_ptr = get_tag (coff_tag, (localsym_t *) NULL,
2936 coff_type.basic_type);
2939 if (coff_is_function)
2941 last_func_type_info = coff_type;
2942 last_func_sym_value = coff_sym_value;
2946 indx = add_aux_sym_tir (&coff_type,
2948 &cur_file_ptr->thash_head[0]);
2951 /* Do any last minute adjustments that are necessary. */
2952 switch (coff_symbol_typ)
2957 /* For the beginning of structs, unions, and enumerations, the
2958 size info needs to be passed in the value field. */
2960 if (coff_type.num_sizes - coff_type.num_dims - coff_type.extra_sizes
2963 as_warn (_("Bad COFF debugging information"));
2967 coff_value = coff_type.sizes[0];
2969 coff_inside_enumeration = (coff_type.orig_type == T_ENUM);
2972 /* For the end of structs, unions, and enumerations, omit the
2973 name which is always ".eos". This needs to be done last, so
2974 that any error reporting above gives the correct name. */
2977 name = (char *) NULL;
2979 coff_inside_enumeration = 0;
2982 /* Members of structures and unions that aren't bitfields, need
2983 to adjust the value from a byte offset to a bit offset.
2984 Members of enumerations do not have the value adjusted, and
2985 can be distinguished by indx == indexNil. For enumerations,
2986 update the maximum enumeration value. */
2988 if (! coff_type.bitfield && ! coff_inside_enumeration)
2994 /* Add the symbol. */
2995 sym = add_ecoff_symbol (name,
3000 (symint_t) coff_value,
3003 /* deal with struct, union, and enum tags. */
3004 if (coff_symbol_typ == st_Block)
3006 /* Create or update the tag information. */
3007 tag_t *tag_ptr = get_tag (name,
3009 coff_type.basic_type);
3012 /* Remember any forward references. */
3013 for (pf = &sym->forward_ref;
3014 *pf != (forward_t *) NULL;
3017 *pf = tag_ptr->forward_ref;
3018 tag_ptr->forward_ref = (forward_t *) NULL;
3022 /* Parse .end directives. */
3025 ecoff_directive_end (ignore)
3033 if (cur_file_ptr == (efdr_t *) NULL)
3035 as_warn (_(".end directive without a preceding .file directive"));
3036 demand_empty_rest_of_line ();
3040 if (cur_proc_ptr == (proc_t *) NULL)
3042 as_warn (_(".end directive without a preceding .ent directive"));
3043 demand_empty_rest_of_line ();
3047 name = input_line_pointer;
3048 name_end = get_symbol_end ();
3051 if (! is_name_beginner (ch))
3053 as_warn (_(".end directive has no name"));
3054 *input_line_pointer = name_end;
3055 demand_empty_rest_of_line ();
3059 /* The value is the distance between the .end directive and the
3060 corresponding symbol. We create a fake symbol to hold the
3061 current location, and put in the offset when we write out the
3063 ent = symbol_find (name);
3064 if (ent == (symbolS *) NULL)
3065 as_warn (_(".end directive names unknown symbol"));
3067 (void) add_ecoff_symbol ((const char *) NULL, st_End, sc_Text,
3068 symbol_new ("L0\001", now_seg,
3069 (valueT) frag_now_fix (),
3071 (bfd_vma) 0, (symint_t) 0, (symint_t) 0);
3073 cur_proc_ptr = (proc_t *) NULL;
3075 *input_line_pointer = name_end;
3076 demand_empty_rest_of_line ();
3079 /* Parse .ent directives. */
3082 ecoff_directive_ent (ignore)
3089 if (cur_file_ptr == (efdr_t *) NULL)
3090 add_file ((const char *) NULL, 0, 1);
3092 if (cur_proc_ptr != (proc_t *) NULL)
3094 as_warn (_("second .ent directive found before .end directive"));
3095 demand_empty_rest_of_line ();
3099 name = input_line_pointer;
3100 name_end = get_symbol_end ();
3103 if (! is_name_beginner (ch))
3105 as_warn (_(".ent directive has no name"));
3106 *input_line_pointer = name_end;
3107 demand_empty_rest_of_line ();
3111 add_procedure (name);
3113 *input_line_pointer = name_end;
3115 /* The .ent directive is sometimes followed by a number. I'm not
3116 really sure what the number means. I don't see any way to store
3117 the information in the PDR. The Irix 4 assembler seems to ignore
3120 if (*input_line_pointer == ',')
3122 ++input_line_pointer;
3125 if (isdigit (*input_line_pointer) || *input_line_pointer == '-')
3126 (void) get_absolute_expression ();
3128 demand_empty_rest_of_line ();
3131 /* Parse .extern directives. */
3134 ecoff_directive_extern (ignore)
3142 name = input_line_pointer;
3143 c = get_symbol_end ();
3144 symbolp = symbol_find_or_make (name);
3145 *input_line_pointer = c;
3147 S_SET_EXTERNAL (symbolp);
3149 if (*input_line_pointer == ',')
3150 ++input_line_pointer;
3151 size = get_absolute_expression ();
3153 symbolp->ecoff_extern_size = size;
3156 /* Parse .file directives. */
3159 ecoff_directive_file (ignore)
3166 if (cur_proc_ptr != (proc_t *) NULL)
3168 as_warn (_("No way to handle .file within .ent/.end section"));
3169 demand_empty_rest_of_line ();
3173 indx = (int) get_absolute_expression ();
3175 /* FIXME: we don't have to save the name here. */
3176 name = demand_copy_C_string (&len);
3178 add_file (name, indx - 1, 0);
3180 demand_empty_rest_of_line ();
3183 /* Parse .fmask directives. */
3186 ecoff_directive_fmask (ignore)
3191 if (cur_proc_ptr == (proc_t *) NULL)
3193 as_warn (_(".fmask outside of .ent"));
3194 demand_empty_rest_of_line ();
3198 if (get_absolute_expression_and_terminator (&val) != ',')
3200 as_warn (_("Bad .fmask directive"));
3201 --input_line_pointer;
3202 demand_empty_rest_of_line ();
3206 cur_proc_ptr->pdr.fregmask = val;
3207 cur_proc_ptr->pdr.fregoffset = get_absolute_expression ();
3209 demand_empty_rest_of_line ();
3212 /* Parse .frame directives. */
3215 ecoff_directive_frame (ignore)
3220 if (cur_proc_ptr == (proc_t *) NULL)
3222 as_warn (_(".frame outside of .ent"));
3223 demand_empty_rest_of_line ();
3227 cur_proc_ptr->pdr.framereg = tc_get_register (1);
3230 if (*input_line_pointer++ != ','
3231 || get_absolute_expression_and_terminator (&val) != ',')
3233 as_warn (_("Bad .frame directive"));
3234 --input_line_pointer;
3235 demand_empty_rest_of_line ();
3239 cur_proc_ptr->pdr.frameoffset = val;
3241 cur_proc_ptr->pdr.pcreg = tc_get_register (0);
3243 #if 0 /* Alpha-OSF1 adds "the offset of saved $a0 from $sp", according
3244 to Sandro. I don't yet know where this value should be stored, if
3246 demand_empty_rest_of_line ();
3252 /* Parse .mask directives. */
3255 ecoff_directive_mask (ignore)
3260 if (cur_proc_ptr == (proc_t *) NULL)
3262 as_warn (_(".mask outside of .ent"));
3263 demand_empty_rest_of_line ();
3267 if (get_absolute_expression_and_terminator (&val) != ',')
3269 as_warn (_("Bad .mask directive"));
3270 --input_line_pointer;
3271 demand_empty_rest_of_line ();
3275 cur_proc_ptr->pdr.regmask = val;
3276 cur_proc_ptr->pdr.regoffset = get_absolute_expression ();
3278 demand_empty_rest_of_line ();
3281 /* Parse .loc directives. */
3284 ecoff_directive_loc (ignore)
3287 lineno_list_t *list;
3290 if (cur_file_ptr == (efdr_t *) NULL)
3292 as_warn (_(".loc before .file"));
3293 demand_empty_rest_of_line ();
3297 if (now_seg != text_section)
3299 as_warn (_(".loc outside of .text"));
3300 demand_empty_rest_of_line ();
3304 /* Skip the file number. */
3306 get_absolute_expression ();
3309 lineno = get_absolute_expression ();
3313 listing_source_line (lineno);
3316 /* If we're building stabs, then output a special label rather than
3317 ECOFF line number info. */
3320 (void) add_ecoff_symbol ((char *) NULL, st_Label, sc_Text,
3321 symbol_new ("L0\001", now_seg,
3322 (valueT) frag_now_fix (),
3324 (bfd_vma) 0, 0, lineno);
3328 list = allocate_lineno_list ();
3330 list->next = (lineno_list_t *) NULL;
3331 list->file = cur_file_ptr;
3332 list->proc = cur_proc_ptr;
3333 list->frag = frag_now;
3334 list->paddr = frag_now_fix ();
3335 list->lineno = lineno;
3337 /* We don't want to merge files which have line numbers. */
3338 cur_file_ptr->fdr.fMerge = 0;
3340 /* A .loc directive will sometimes appear before a .ent directive,
3341 which means that cur_proc_ptr will be NULL here. Arrange to
3343 if (cur_proc_ptr == (proc_t *) NULL)
3347 pl = &noproc_lineno;
3348 while (*pl != (lineno_list_t *) NULL)
3355 *last_lineno_ptr = list;
3356 last_lineno_ptr = &list->next;
3360 /* The MIPS assembler sometimes inserts nop instructions in the
3361 instruction stream. When this happens, we must patch up the .loc
3362 information so that it points to the instruction after the nop. */
3365 ecoff_fix_loc (old_frag, old_frag_offset)
3367 unsigned long old_frag_offset;
3369 if (last_lineno != NULL
3370 && last_lineno->frag == old_frag
3371 && last_lineno->paddr == old_frag_offset)
3373 last_lineno->frag = frag_now;
3374 last_lineno->paddr = frag_now_fix ();
3378 /* Make sure the @stabs symbol is emitted. */
3386 /* Add a dummy @stabs dymbol. */
3388 (void) add_ecoff_symbol (stabs_symbol, stNil, scInfo,
3390 (bfd_vma) 0, (symint_t) -1,
3391 ECOFF_MARK_STAB (0));
3395 /* Parse .weakext directives. */
3397 /* For TC_MIPS use the version in tc-mips.c. */
3399 ecoff_directive_weakext (ignore)
3407 name = input_line_pointer;
3408 c = get_symbol_end ();
3409 symbolP = symbol_find_or_make (name);
3410 *input_line_pointer = c;
3414 if (*input_line_pointer == ',')
3416 if (S_IS_DEFINED (symbolP))
3418 as_bad (_("Ignoring attempt to redefine symbol `%s'."),
3419 S_GET_NAME (symbolP));
3420 ignore_rest_of_line ();
3424 ++input_line_pointer;
3426 if (! is_end_of_line[(unsigned char) *input_line_pointer])
3429 if (exp.X_op != O_symbol)
3431 as_bad (_("bad .weakext directive"));
3432 ignore_rest_of_line();
3435 symbolP->sy_value = exp;
3439 S_SET_WEAK (symbolP);
3441 demand_empty_rest_of_line ();
3443 #endif /* not TC_MIPS */
3445 /* Handle .stabs directives. The actual parsing routine is done by a
3446 generic routine. This routine is called via OBJ_PROCESS_STAB.
3447 When this is called, input_line_pointer will be pointing at the
3448 value field of the stab.
3450 .stabs directives have five fields:
3451 "string" a string, encoding the type information.
3452 code a numeric code, defined in <stab.h>
3454 desc a zero or line number
3455 value a numeric value or an address.
3457 If the value is relocatable, we transform this into:
3458 iss points as an index into string space
3459 value value from lookup of the name
3460 st st from lookup of the name
3461 sc sc from lookup of the name
3462 index code|CODE_MASK
3464 If the value is not relocatable, we transform this into:
3465 iss points as an index into string space
3469 index code|CODE_MASK
3471 .stabn directives have four fields (string is null):
3472 code a numeric code, defined in <stab.h>
3474 desc a zero or a line number
3475 value a numeric value or an address. */
3478 ecoff_stab (sec, what, string, type, other, desc)
3486 efdr_t *save_file_ptr = cur_file_ptr;
3493 localsym_t *hold = NULL;
3495 ecoff_debugging_seen = 1;
3497 /* We don't handle .stabd. */
3498 if (what != 's' && what != 'n')
3500 as_bad (_(".stab%c is not supported"), what);
3504 /* A .stabn uses a null name, not an empty string. */
3508 /* We ignore the other field. */
3510 as_warn (_(".stab%c: ignoring non-zero other field"), what);
3512 /* Make sure we have a current file. */
3513 if (cur_file_ptr == (efdr_t *) NULL)
3515 add_file ((const char *) NULL, 0, 1);
3516 save_file_ptr = cur_file_ptr;
3519 /* For stabs in ECOFF, the first symbol must be @stabs. This is a
3521 if (stabs_seen == 0)
3524 /* Line number stabs are handled differently, since they have two
3525 values, the line number and the address of the label. We use the
3526 index field (aka desc) to hold the line number, and the value
3527 field to hold the address. The symbol type is st_Label, which
3528 should be different from the other stabs, so that gdb can
3530 if (type == N_SLINE)
3538 listing_source_line ((unsigned int) desc);
3541 dummy_symr.index = desc;
3542 if (dummy_symr.index != desc)
3544 as_warn (_("Line number (%d) for .stab%c directive cannot fit in index field (20 bits)"),
3549 name = input_line_pointer;
3550 name_end = get_symbol_end ();
3552 sym = symbol_find_or_make (name);
3553 *input_line_pointer = name_end;
3564 if (listing && (type == N_SO || type == N_SOL))
3565 listing_source_file (string);
3568 if (isdigit (*input_line_pointer)
3569 || *input_line_pointer == '-'
3570 || *input_line_pointer == '+')
3574 sym = (symbolS *) NULL;
3575 value = get_absolute_expression ();
3578 else if (! is_name_beginner ((unsigned char) *input_line_pointer))
3580 as_warn (_("Illegal .stab%c directive, bad character"), what);
3591 if (exp.X_op == O_constant)
3594 value = exp.X_add_number;
3597 else if (exp.X_op == O_symbol)
3599 sym = exp.X_add_symbol;
3601 addend = exp.X_add_number;
3605 sym = make_expr_symbol (&exp);
3611 indx = ECOFF_MARK_STAB (type);
3614 /* Don't store the stabs symbol we are creating as the type of the
3615 ECOFF symbol. We want to compute the type of the ECOFF symbol
3617 if (sym != (symbolS *) NULL)
3618 hold = sym->ecoff_symbol;
3620 (void) add_ecoff_symbol (string, st, sc, sym, addend, value, indx);
3622 if (sym != (symbolS *) NULL)
3623 sym->ecoff_symbol = hold;
3625 /* Restore normal file type. */
3626 cur_file_ptr = save_file_ptr;
3629 /* Frob an ECOFF symbol. Small common symbols go into a special
3630 .scommon section rather than bfd_com_section. */
3633 ecoff_frob_symbol (sym)
3636 if (S_IS_COMMON (sym)
3637 && S_GET_VALUE (sym) > 0
3638 && S_GET_VALUE (sym) <= bfd_get_gp_size (stdoutput))
3640 static asection scom_section;
3641 static asymbol scom_symbol;
3643 /* We must construct a fake section similar to bfd_com_section
3644 but with the name .scommon. */
3645 if (scom_section.name == NULL)
3647 scom_section = bfd_com_section;
3648 scom_section.name = ".scommon";
3649 scom_section.output_section = &scom_section;
3650 scom_section.symbol = &scom_symbol;
3651 scom_section.symbol_ptr_ptr = &scom_section.symbol;
3652 scom_symbol = *bfd_com_section.symbol;
3653 scom_symbol.name = ".scommon";
3654 scom_symbol.section = &scom_section;
3656 S_SET_SEGMENT (sym, &scom_section);
3659 /* Double check weak symbols. */
3660 if (sym->bsym->flags & BSF_WEAK)
3662 if (S_IS_COMMON (sym))
3663 as_bad (_("Symbol `%s' can not be both weak and common"),
3668 /* Add bytes to the symbolic information buffer. */
3671 ecoff_add_bytes (buf, bufend, bufptr, need)
3681 need -= *bufend - bufptr;
3682 if (need < PAGE_SIZE)
3684 want = (*bufend - *buf) + need;
3685 *buf = xrealloc (*buf, want);
3686 *bufend = *buf + want;
3690 /* Adjust the symbolic information buffer to the alignment required
3691 for the ECOFF target debugging information. */
3693 static unsigned long
3694 ecoff_padding_adjust (backend, buf, bufend, offset, bufptrptr)
3695 const struct ecoff_debug_swap *backend;
3698 unsigned long offset;
3701 bfd_size_type align;
3703 align = backend->debug_align;
3704 if ((offset & (align - 1)) != 0)
3708 add = align - (offset & (align - 1));
3709 if (*bufend - (*buf + offset) < add)
3710 (void) ecoff_add_bytes (buf, bufend, *buf + offset, add);
3711 memset (*buf + offset, 0, add);
3713 if (bufptrptr != (char **) NULL)
3714 *bufptrptr = *buf + offset;
3720 /* Build the line number information. */
3722 static unsigned long
3723 ecoff_build_lineno (backend, buf, bufend, offset, linecntptr)
3724 const struct ecoff_debug_swap *backend;
3727 unsigned long offset;
3731 register lineno_list_t *l;
3732 lineno_list_t *last;
3738 lineno_list_t first;
3739 lineno_list_t *local_first_lineno = first_lineno;
3741 if (linecntptr != (long *) NULL)
3744 bufptr = *buf + offset;
3746 file = (efdr_t *) NULL;
3747 proc = (proc_t *) NULL;
3748 last = (lineno_list_t *) NULL;
3753 /* For some reason the address of the first procedure is ignored
3754 when reading line numbers. This doesn't matter if the address of
3755 the first procedure is 0, but when gcc is generating MIPS
3756 embedded PIC code, it will put strings in the .text section
3757 before the first procedure. We cope by inserting a dummy line if
3758 the address of the first procedure is not 0. Hopefully this
3759 won't screw things up too badly.
3761 Don't do this for ECOFF assembly source line numbers. They work
3762 without this extra attention. */
3763 if (debug_type != DEBUG_ECOFF
3764 && first_proc_ptr != (proc_t *) NULL
3765 && local_first_lineno != (lineno_list_t *) NULL
3766 && ((S_GET_VALUE (first_proc_ptr->sym->as_sym)
3767 + bfd_get_section_vma (stdoutput,
3768 S_GET_SEGMENT (first_proc_ptr->sym->as_sym)))
3771 first.file = local_first_lineno->file;
3772 first.proc = local_first_lineno->proc;
3773 first.frag = &zero_address_frag;
3777 first.next = local_first_lineno;
3778 local_first_lineno = &first;
3781 for (l = local_first_lineno; l != (lineno_list_t *) NULL; l = l->next)
3786 /* Get the offset to the memory address of the next line number
3787 (in words). Do this first, so that we can skip ahead to the
3788 next useful line number entry. */
3789 if (l->next == (lineno_list_t *) NULL)
3791 /* We want a count of zero, but it will be decremented
3792 before it is used. */
3795 else if (l->next->frag->fr_address + l->next->paddr
3796 > l->frag->fr_address + l->paddr)
3798 count = ((l->next->frag->fr_address + l->next->paddr
3799 - (l->frag->fr_address + l->paddr))
3804 /* Don't change last, so we still get the right delta. */
3808 if (l->file != file || l->proc != proc)
3810 if (l->proc != proc && proc != (proc_t *) NULL)
3811 proc->pdr.lnHigh = last->lineno;
3812 if (l->file != file && file != (efdr_t *) NULL)
3814 file->fdr.cbLine = c - file->fdr.cbLineOffset;
3815 file->fdr.cline = totcount + count;
3816 if (linecntptr != (long *) NULL)
3817 *linecntptr += totcount + count;
3821 if (l->file != file)
3823 efdr_t *last_file = file;
3826 if (last_file != (efdr_t *) NULL)
3828 = last_file->fdr.ilineBase + last_file->fdr.cline;
3830 file->fdr.ilineBase = 0;
3831 file->fdr.cbLineOffset = c;
3833 if (l->proc != proc)
3836 if (proc != (proc_t *) NULL)
3838 proc->pdr.lnLow = l->lineno;
3839 proc->pdr.cbLineOffset = c - file->fdr.cbLineOffset;
3840 proc->pdr.iline = totcount;
3844 last = (lineno_list_t *) NULL;
3849 /* Get the offset to this line number. */
3850 if (last == (lineno_list_t *) NULL)
3853 delta = l->lineno - last->lineno;
3855 /* Put in the offset to this line number. */
3860 /* 1 is added to each count read. */
3862 /* We can only adjust the word count by up to 15 words at a
3874 if (delta >= -7 && delta <= 7)
3876 if (bufptr >= *bufend)
3877 bufptr = ecoff_add_bytes (buf, bufend, bufptr, (long) 1);
3878 *bufptr++ = setcount + (delta << 4);
3886 if (*bufend - bufptr < 3)
3887 bufptr = ecoff_add_bytes (buf, bufend, bufptr, (long) 3);
3888 *bufptr++ = setcount + (8 << 4);
3889 if (delta < -0x8000)
3894 else if (delta > 0x7fff)
3904 *bufptr++ = set >> 8;
3905 *bufptr++ = set & 0xffff;
3910 /* Finish adjusting the count. */
3913 if (bufptr >= *bufend)
3914 bufptr = ecoff_add_bytes (buf, bufend, bufptr, (long) 1);
3915 /* 1 is added to each count read. */
3934 if (proc != (proc_t *) NULL)
3935 proc->pdr.lnHigh = last->lineno;
3936 if (file != (efdr_t *) NULL)
3938 file->fdr.cbLine = c - file->fdr.cbLineOffset;
3939 file->fdr.cline = totcount;
3942 if (linecntptr != (long *) NULL)
3943 *linecntptr += totcount;
3945 c = ecoff_padding_adjust (backend, buf, bufend, c, &bufptr);
3950 /* Build and swap out the symbols. */
3952 static unsigned long
3953 ecoff_build_symbols (backend, buf, bufend, offset)
3954 const struct ecoff_debug_swap *backend;
3957 unsigned long offset;
3959 const bfd_size_type external_sym_size = backend->external_sym_size;
3960 void (* const swap_sym_out) PARAMS ((bfd *, const SYMR *, PTR))
3961 = backend->swap_sym_out;
3964 vlinks_t *file_link;
3966 sym_out = *buf + offset;
3970 /* The symbols are stored by file. */
3971 for (file_link = file_desc.first;
3972 file_link != (vlinks_t *) NULL;
3973 file_link = file_link->next)
3980 if (file_link->next == (vlinks_t *) NULL)
3981 fil_cnt = file_desc.objects_last_page;
3983 fil_cnt = file_desc.objects_per_page;
3984 fil_ptr = file_link->datum->file;
3985 fil_end = fil_ptr + fil_cnt;
3986 for (; fil_ptr < fil_end; fil_ptr++)
3990 fil_ptr->fdr.isymBase = isym;
3992 for (sym_link = fil_ptr->symbols.first;
3993 sym_link != (vlinks_t *) NULL;
3994 sym_link = sym_link->next)
3997 localsym_t *sym_ptr;
3998 localsym_t *sym_end;
4000 if (sym_link->next == (vlinks_t *) NULL)
4001 sym_cnt = fil_ptr->symbols.objects_last_page;
4003 sym_cnt = fil_ptr->symbols.objects_per_page;
4004 sym_ptr = sym_link->datum->sym;
4005 sym_end = sym_ptr + sym_cnt;
4006 for (; sym_ptr < sym_end; sym_ptr++)
4012 know (sym_ptr->file_ptr == fil_ptr);
4014 /* If there is no associated gas symbol, then this
4015 is a pure debugging symbol. We have already
4016 added the name (if any) to fil_ptr->strings.
4017 Otherwise we must decide whether this is an
4018 external or a local symbol (actually, it may be
4019 both if the local provides additional debugging
4020 information for the external). */
4022 as_sym = sym_ptr->as_sym;
4023 if (as_sym != (symbolS *) NULL)
4027 /* The value of a block start symbol is the
4028 offset from the start of the procedure. For
4029 other symbols we just use the gas value (but
4030 we must offset it by the vma of the section,
4031 just as BFD does, because BFD will not see
4033 if (sym_ptr->ecoff_sym.asym.st == (int) st_Block
4034 && sym_ptr->ecoff_sym.asym.sc == (int) sc_Text)
4038 know (sym_ptr->proc_ptr != (proc_t *) NULL);
4039 begin_sym = sym_ptr->proc_ptr->sym->as_sym;
4040 if (S_GET_SEGMENT (as_sym)
4041 != S_GET_SEGMENT (begin_sym))
4042 as_warn (_(".begin/.bend in different segments"));
4043 sym_ptr->ecoff_sym.asym.value =
4044 S_GET_VALUE (as_sym) - S_GET_VALUE (begin_sym);
4047 sym_ptr->ecoff_sym.asym.value =
4048 (S_GET_VALUE (as_sym)
4049 + bfd_get_section_vma (stdoutput,
4050 S_GET_SEGMENT (as_sym))
4053 sym_ptr->ecoff_sym.weakext = S_IS_WEAK (as_sym);
4055 /* Set st_Proc to st_StaticProc for local
4057 if (sym_ptr->ecoff_sym.asym.st == st_Proc
4058 && S_IS_DEFINED (as_sym)
4059 && ! S_IS_EXTERNAL (as_sym)
4060 && ! S_IS_WEAK (as_sym))
4061 sym_ptr->ecoff_sym.asym.st = st_StaticProc;
4063 /* Get the type and storage class based on where
4064 the symbol actually wound up. Traditionally,
4065 N_LBRAC and N_RBRAC are *not* relocated. */
4066 indx = sym_ptr->ecoff_sym.asym.index;
4067 if (sym_ptr->ecoff_sym.asym.st == st_Nil
4068 && sym_ptr->ecoff_sym.asym.sc == sc_Nil
4069 && (! ECOFF_IS_STAB (&sym_ptr->ecoff_sym.asym)
4070 || ((ECOFF_UNMARK_STAB (indx) != N_LBRAC)
4071 && (ECOFF_UNMARK_STAB (indx) != N_RBRAC))))
4074 const char *segname;
4078 seg = S_GET_SEGMENT (as_sym);
4079 segname = segment_name (seg);
4081 if (! ECOFF_IS_STAB (&sym_ptr->ecoff_sym.asym)
4082 && (S_IS_EXTERNAL (as_sym)
4083 || S_IS_WEAK (as_sym)
4084 || ! S_IS_DEFINED (as_sym)))
4086 if ((as_sym->bsym->flags & BSF_FUNCTION) != 0)
4091 else if (seg == text_section)
4096 if (! S_IS_DEFINED (as_sym))
4098 if (as_sym->ecoff_extern_size == 0
4099 || (as_sym->ecoff_extern_size
4100 > bfd_get_gp_size (stdoutput)))
4105 sym_ptr->ecoff_sym.asym.value =
4106 as_sym->ecoff_extern_size;
4109 S_SET_SIZE (as_sym, as_sym->ecoff_extern_size);
4112 else if (S_IS_COMMON (as_sym))
4114 if (S_GET_VALUE (as_sym) > 0
4115 && (S_GET_VALUE (as_sym)
4116 <= bfd_get_gp_size (stdoutput)))
4121 else if (seg == text_section)
4123 else if (seg == data_section)
4125 else if (strcmp (segname, ".rdata") == 0
4126 || strcmp (segname, ".rodata") == 0)
4128 else if (strcmp (segname, ".sdata") == 0)
4130 else if (seg == bss_section)
4132 else if (strcmp (segname, ".sbss") == 0)
4134 else if (seg == &bfd_abs_section)
4138 /* This must be a user named section.
4139 This is not possible in ECOFF, but it
4144 sym_ptr->ecoff_sym.asym.st = (int) st;
4145 sym_ptr->ecoff_sym.asym.sc = (int) sc;
4148 /* This is just an external symbol if it is
4149 outside a procedure and it has a type.
4150 FIXME: g++ will generate symbols which have
4151 different names in the debugging information
4152 than the actual symbol. Should we handle
4154 if ((S_IS_EXTERNAL (as_sym)
4155 || S_IS_WEAK (as_sym)
4156 || ! S_IS_DEFINED (as_sym))
4157 && sym_ptr->proc_ptr == (proc_t *) NULL
4158 && sym_ptr->ecoff_sym.asym.st != (int) st_Nil
4159 && ! ECOFF_IS_STAB (&sym_ptr->ecoff_sym.asym))
4162 /* This is just an external symbol if it is a
4164 if (S_IS_COMMON (as_sym))
4167 /* If an st_end symbol has an associated gas
4168 symbol, then it is a local label created for
4169 a .bend or .end directive. Stabs line
4170 numbers will have \001 in the names. */
4172 && sym_ptr->ecoff_sym.asym.st != st_End
4173 && strchr (sym_ptr->name, '\001') == 0)
4174 sym_ptr->ecoff_sym.asym.iss =
4175 add_string (&fil_ptr->strings,
4181 /* We now know the index of this symbol; fill in
4182 locations that have been waiting for that
4184 if (sym_ptr->begin_ptr != (localsym_t *) NULL)
4186 localsym_t *begin_ptr;
4190 begin_ptr = sym_ptr->begin_ptr;
4191 know (begin_ptr->sym_index != -1);
4192 sym_ptr->ecoff_sym.asym.index = begin_ptr->sym_index;
4193 if (sym_ptr->ecoff_sym.asym.sc != (int) sc_Info)
4194 sym_ptr->ecoff_sym.asym.iss =
4195 begin_ptr->ecoff_sym.asym.iss;
4197 begin_type = begin_ptr->ecoff_sym.asym.st;
4198 if (begin_type == st_File
4199 || begin_type == st_Block)
4201 begin_ptr->ecoff_sym.asym.index =
4202 isym - ifilesym + 1;
4203 (*swap_sym_out) (stdoutput,
4204 &begin_ptr->ecoff_sym.asym,
4207 + (begin_ptr->sym_index
4208 * external_sym_size)));
4212 know (begin_ptr->index_ptr != (aux_t *) NULL);
4213 begin_ptr->index_ptr->data.isym =
4214 isym - ifilesym + 1;
4217 /* The value of the symbol marking the end of a
4218 procedure is the size of the procedure. The
4219 value of the symbol marking the end of a
4220 block is the offset from the start of the
4221 procedure to the block. */
4222 if (begin_type == st_Proc
4223 || begin_type == st_StaticProc)
4225 know (as_sym != (symbolS *) NULL);
4226 know (begin_ptr->as_sym != (symbolS *) NULL);
4227 if (S_GET_SEGMENT (as_sym)
4228 != S_GET_SEGMENT (begin_ptr->as_sym))
4229 as_warn (_(".begin/.bend in different segments"));
4230 sym_ptr->ecoff_sym.asym.value =
4231 (S_GET_VALUE (as_sym)
4232 - S_GET_VALUE (begin_ptr->as_sym));
4234 /* If the size is odd, this is probably a
4235 mips16 function; force it to be even. */
4236 if ((sym_ptr->ecoff_sym.asym.value & 1) != 0)
4237 ++sym_ptr->ecoff_sym.asym.value;
4240 S_SET_SIZE (begin_ptr->as_sym,
4241 sym_ptr->ecoff_sym.asym.value);
4244 else if (begin_type == st_Block
4245 && sym_ptr->ecoff_sym.asym.sc != (int) sc_Info)
4249 know (as_sym != (symbolS *) NULL);
4250 know (sym_ptr->proc_ptr != (proc_t *) NULL);
4251 begin_sym = sym_ptr->proc_ptr->sym->as_sym;
4252 if (S_GET_SEGMENT (as_sym)
4253 != S_GET_SEGMENT (begin_sym))
4254 as_warn (_(".begin/.bend in different segments"));
4255 sym_ptr->ecoff_sym.asym.value =
4256 S_GET_VALUE (as_sym) - S_GET_VALUE (begin_sym);
4260 for (f = sym_ptr->forward_ref;
4261 f != (forward_t *) NULL;
4265 f->ifd_ptr->data.isym = fil_ptr->file_index;
4266 f->index_ptr->data.rndx.index = isym - ifilesym;
4271 if (*bufend - sym_out < external_sym_size)
4272 sym_out = ecoff_add_bytes (buf, bufend,
4275 (*swap_sym_out) (stdoutput, &sym_ptr->ecoff_sym.asym,
4277 sym_out += external_sym_size;
4279 sym_ptr->sym_index = isym;
4281 if (sym_ptr->proc_ptr != (proc_t *) NULL
4282 && sym_ptr->proc_ptr->sym == sym_ptr)
4283 sym_ptr->proc_ptr->pdr.isym = isym - ifilesym;
4288 /* Record the local symbol index and file number in
4289 case this is an external symbol. Note that this
4290 destroys the asym.index field. */
4291 if (as_sym != (symbolS *) NULL
4292 && as_sym->ecoff_symbol == sym_ptr)
4294 if ((sym_ptr->ecoff_sym.asym.st == st_Proc
4295 || sym_ptr->ecoff_sym.asym.st == st_StaticProc)
4297 sym_ptr->ecoff_sym.asym.index = isym - ifilesym - 1;
4298 sym_ptr->ecoff_sym.ifd = fil_ptr->file_index;
4300 /* Don't try to merge an FDR which has an
4301 external symbol attached to it. */
4302 if (S_IS_EXTERNAL (as_sym) || S_IS_WEAK (as_sym))
4303 fil_ptr->fdr.fMerge = 0;
4307 fil_ptr->fdr.csym = isym - fil_ptr->fdr.isymBase;
4311 return offset + isym * external_sym_size;
4314 /* Swap out the procedure information. */
4316 static unsigned long
4317 ecoff_build_procs (backend, buf, bufend, offset)
4318 const struct ecoff_debug_swap *backend;
4321 unsigned long offset;
4323 const bfd_size_type external_pdr_size = backend->external_pdr_size;
4324 void (* const swap_pdr_out) PARAMS ((bfd *, const PDR *, PTR))
4325 = backend->swap_pdr_out;
4328 vlinks_t *file_link;
4330 pdr_out = *buf + offset;
4334 /* The procedures are stored by file. */
4335 for (file_link = file_desc.first;
4336 file_link != (vlinks_t *) NULL;
4337 file_link = file_link->next)
4343 if (file_link->next == (vlinks_t *) NULL)
4344 fil_cnt = file_desc.objects_last_page;
4346 fil_cnt = file_desc.objects_per_page;
4347 fil_ptr = file_link->datum->file;
4348 fil_end = fil_ptr + fil_cnt;
4349 for (; fil_ptr < fil_end; fil_ptr++)
4351 vlinks_t *proc_link;
4354 fil_ptr->fdr.ipdFirst = iproc;
4356 for (proc_link = fil_ptr->procs.first;
4357 proc_link != (vlinks_t *) NULL;
4358 proc_link = proc_link->next)
4364 if (proc_link->next == (vlinks_t *) NULL)
4365 prc_cnt = fil_ptr->procs.objects_last_page;
4367 prc_cnt = fil_ptr->procs.objects_per_page;
4368 proc_ptr = proc_link->datum->proc;
4369 proc_end = proc_ptr + prc_cnt;
4370 for (; proc_ptr < proc_end; proc_ptr++)
4375 adr_sym = proc_ptr->sym->as_sym;
4376 adr = (S_GET_VALUE (adr_sym)
4377 + bfd_get_section_vma (stdoutput,
4378 S_GET_SEGMENT (adr_sym)));
4381 /* This code used to force the adr of the very
4382 first fdr to be 0. However, the native tools
4383 don't do that, and I can't remember why it
4384 used to work that way, so I took it out. */
4385 fil_ptr->fdr.adr = adr;
4388 proc_ptr->pdr.adr = adr - fil_ptr->fdr.adr;
4389 if (*bufend - pdr_out < external_pdr_size)
4390 pdr_out = ecoff_add_bytes (buf, bufend,
4393 (*swap_pdr_out) (stdoutput, &proc_ptr->pdr, pdr_out);
4394 pdr_out += external_pdr_size;
4398 fil_ptr->fdr.cpd = iproc - fil_ptr->fdr.ipdFirst;
4402 return offset + iproc * external_pdr_size;
4405 /* Swap out the aux information. */
4407 static unsigned long
4408 ecoff_build_aux (backend, buf, bufend, offset)
4409 const struct ecoff_debug_swap *backend;
4412 unsigned long offset;
4415 union aux_ext *aux_out;
4417 vlinks_t *file_link;
4419 bigendian = bfd_big_endian (stdoutput);
4421 aux_out = (union aux_ext *) (*buf + offset);
4425 /* The aux entries are stored by file. */
4426 for (file_link = file_desc.first;
4427 file_link != (vlinks_t *) NULL;
4428 file_link = file_link->next)
4434 if (file_link->next == (vlinks_t *) NULL)
4435 fil_cnt = file_desc.objects_last_page;
4437 fil_cnt = file_desc.objects_per_page;
4438 fil_ptr = file_link->datum->file;
4439 fil_end = fil_ptr + fil_cnt;
4440 for (; fil_ptr < fil_end; fil_ptr++)
4444 fil_ptr->fdr.fBigendian = bigendian;
4445 fil_ptr->fdr.iauxBase = iaux;
4446 for (aux_link = fil_ptr->aux_syms.first;
4447 aux_link != (vlinks_t *) NULL;
4448 aux_link = aux_link->next)
4454 if (aux_link->next == (vlinks_t *) NULL)
4455 aux_cnt = fil_ptr->aux_syms.objects_last_page;
4457 aux_cnt = fil_ptr->aux_syms.objects_per_page;
4458 aux_ptr = aux_link->datum->aux;
4459 aux_end = aux_ptr + aux_cnt;
4460 for (; aux_ptr < aux_end; aux_ptr++)
4462 if (*bufend - (char *) aux_out < sizeof (union aux_ext))
4463 aux_out = ((union aux_ext *)
4464 ecoff_add_bytes (buf, bufend,
4466 sizeof (union aux_ext)));
4467 switch (aux_ptr->type)
4470 (*backend->swap_tir_out) (bigendian,
4475 (*backend->swap_rndx_out) (bigendian,
4476 &aux_ptr->data.rndx,
4480 AUX_PUT_DNLOW (bigendian, aux_ptr->data.dnLow,
4484 AUX_PUT_DNHIGH (bigendian, aux_ptr->data.dnHigh,
4488 AUX_PUT_ISYM (bigendian, aux_ptr->data.isym,
4492 AUX_PUT_ISS (bigendian, aux_ptr->data.iss,
4496 AUX_PUT_WIDTH (bigendian, aux_ptr->data.width,
4500 AUX_PUT_COUNT (bigendian, aux_ptr->data.count,
4509 fil_ptr->fdr.caux = iaux - fil_ptr->fdr.iauxBase;
4513 return ecoff_padding_adjust (backend, buf, bufend,
4514 offset + iaux * sizeof (union aux_ext),
4518 /* Copy out the strings from a varray_t. This returns the number of
4519 bytes copied, rather than the new offset. */
4521 static unsigned long
4522 ecoff_build_strings (buf, bufend, offset, vp)
4525 unsigned long offset;
4532 str_out = *buf + offset;
4536 for (str_link = vp->first;
4537 str_link != (vlinks_t *) NULL;
4538 str_link = str_link->next)
4540 unsigned long str_cnt;
4542 if (str_link->next == (vlinks_t *) NULL)
4543 str_cnt = vp->objects_last_page;
4545 str_cnt = vp->objects_per_page;
4547 if (*bufend - str_out < str_cnt)
4548 str_out = ecoff_add_bytes (buf, bufend, str_out, str_cnt);
4550 memcpy (str_out, str_link->datum->byte, str_cnt);
4558 /* Dump out the local strings. */
4560 static unsigned long
4561 ecoff_build_ss (backend, buf, bufend, offset)
4562 const struct ecoff_debug_swap *backend;
4565 unsigned long offset;
4568 vlinks_t *file_link;
4572 for (file_link = file_desc.first;
4573 file_link != (vlinks_t *) NULL;
4574 file_link = file_link->next)
4580 if (file_link->next == (vlinks_t *) NULL)
4581 fil_cnt = file_desc.objects_last_page;
4583 fil_cnt = file_desc.objects_per_page;
4584 fil_ptr = file_link->datum->file;
4585 fil_end = fil_ptr + fil_cnt;
4586 for (; fil_ptr < fil_end; fil_ptr++)
4590 fil_ptr->fdr.issBase = iss;
4591 ss_cnt = ecoff_build_strings (buf, bufend, offset + iss,
4593 fil_ptr->fdr.cbSs = ss_cnt;
4598 return ecoff_padding_adjust (backend, buf, bufend, offset + iss,
4602 /* Swap out the file descriptors. */
4604 static unsigned long
4605 ecoff_build_fdr (backend, buf, bufend, offset)
4606 const struct ecoff_debug_swap *backend;
4609 unsigned long offset;
4611 const bfd_size_type external_fdr_size = backend->external_fdr_size;
4612 void (* const swap_fdr_out) PARAMS ((bfd *, const FDR *, PTR))
4613 = backend->swap_fdr_out;
4616 vlinks_t *file_link;
4620 fdr_out = *buf + offset;
4622 for (file_link = file_desc.first;
4623 file_link != (vlinks_t *) NULL;
4624 file_link = file_link->next)
4630 if (file_link->next == (vlinks_t *) NULL)
4631 fil_cnt = file_desc.objects_last_page;
4633 fil_cnt = file_desc.objects_per_page;
4634 fil_ptr = file_link->datum->file;
4635 fil_end = fil_ptr + fil_cnt;
4636 for (; fil_ptr < fil_end; fil_ptr++)
4638 if (*bufend - fdr_out < external_fdr_size)
4639 fdr_out = ecoff_add_bytes (buf, bufend, fdr_out,
4641 (*swap_fdr_out) (stdoutput, &fil_ptr->fdr, fdr_out);
4642 fdr_out += external_fdr_size;
4647 return offset + ifile * external_fdr_size;
4650 /* Set up the external symbols. These are supposed to be handled by
4651 the backend. This routine just gets the right information and
4652 calls a backend function to deal with it. */
4657 register symbolS *sym;
4659 for (sym = symbol_rootP; sym != (symbolS *) NULL; sym = symbol_next (sym))
4661 if (sym->ecoff_symbol == NULL)
4664 /* If this is a local symbol, then force the fields to zero. */
4665 if (! S_IS_EXTERNAL (sym)
4666 && ! S_IS_WEAK (sym)
4667 && S_IS_DEFINED (sym))
4669 sym->ecoff_symbol->ecoff_sym.asym.value = 0;
4670 sym->ecoff_symbol->ecoff_sym.asym.st = (int) st_Nil;
4671 sym->ecoff_symbol->ecoff_sym.asym.sc = (int) sc_Nil;
4672 sym->ecoff_symbol->ecoff_sym.asym.index = indexNil;
4675 obj_ecoff_set_ext (sym, &sym->ecoff_symbol->ecoff_sym);
4679 /* Build the ECOFF debugging information. */
4682 ecoff_build_debug (hdr, bufp, backend)
4685 const struct ecoff_debug_swap *backend;
4687 const bfd_size_type external_pdr_size = backend->external_pdr_size;
4692 efdr_t *hold_file_ptr;
4693 proc_t * hold_proc_ptr;
4697 unsigned long offset;
4699 /* Make sure we have a file. */
4700 if (first_file == (efdr_t *) NULL)
4701 add_file ((const char *) NULL, 0, 1);
4703 /* Handle any top level tags. */
4704 for (ptag = top_tag_head->first_tag;
4705 ptag != (tag_t *) NULL;
4708 if (ptag->forward_ref != (forward_t *) NULL)
4709 add_unknown_tag (ptag);
4711 ptag_next = ptag->same_block;
4712 ptag->hash_ptr->tag_ptr = ptag->same_name;
4716 free_thead (top_tag_head);
4718 /* Look through the symbols. Add debugging information for each
4719 symbol that has not already received it. */
4720 hold_file_ptr = cur_file_ptr;
4721 hold_proc_ptr = cur_proc_ptr;
4722 cur_proc_ptr = (proc_t *) NULL;
4723 for (sym = symbol_rootP; sym != (symbolS *) NULL; sym = symbol_next (sym))
4725 if (sym->ecoff_symbol != NULL
4726 || sym->ecoff_file == (efdr_t *) NULL
4727 || (sym->bsym->flags & BSF_SECTION_SYM) != 0)
4730 cur_file_ptr = sym->ecoff_file;
4731 add_ecoff_symbol ((const char *) NULL, st_Nil, sc_Nil, sym,
4732 (bfd_vma) 0, S_GET_VALUE (sym), indexNil);
4734 cur_proc_ptr = hold_proc_ptr;
4735 cur_file_ptr = hold_file_ptr;
4737 /* Output an ending symbol for all the files. We have to do this
4738 here for the last file, so we may as well do it for all of the
4741 for (fil_ptr = first_file;
4742 fil_ptr != (efdr_t *) NULL;
4743 fil_ptr = fil_ptr->next_file)
4745 cur_file_ptr = fil_ptr;
4746 while (cur_file_ptr->cur_scope != (scope_t *) NULL
4747 && cur_file_ptr->cur_scope->prev != (scope_t *) NULL)
4749 cur_file_ptr->cur_scope = cur_file_ptr->cur_scope->prev;
4750 if (! end_warning && ! cur_file_ptr->fake)
4752 as_warn (_("Missing .end or .bend at end of file"));
4756 if (cur_file_ptr->cur_scope != (scope_t *) NULL)
4757 (void) add_ecoff_symbol ((const char *) NULL,
4765 /* Build the symbolic information. */
4767 buf = xmalloc (PAGE_SIZE);
4768 bufend = buf + PAGE_SIZE;
4770 /* Build the line number information. */
4771 hdr->cbLineOffset = offset;
4772 offset = ecoff_build_lineno (backend, &buf, &bufend, offset,
4774 hdr->cbLine = offset - hdr->cbLineOffset;
4776 /* We don't use dense numbers at all. */
4778 hdr->cbDnOffset = 0;
4780 /* We can't build the PDR table until we have built the symbols,
4781 because a PDR contains a symbol index. However, we set aside
4782 space at this point. */
4783 hdr->ipdMax = proc_cnt;
4784 hdr->cbPdOffset = offset;
4785 if (bufend - (buf + offset) < proc_cnt * external_pdr_size)
4786 (void) ecoff_add_bytes (&buf, &bufend, buf + offset,
4787 proc_cnt * external_pdr_size);
4788 offset += proc_cnt * external_pdr_size;
4790 /* Build the local symbols. */
4791 hdr->cbSymOffset = offset;
4792 offset = ecoff_build_symbols (backend, &buf, &bufend, offset);
4793 hdr->isymMax = (offset - hdr->cbSymOffset) / backend->external_sym_size;
4795 /* Building the symbols initializes the symbol index in the PDR's.
4796 Now we can swap out the PDR's. */
4797 (void) ecoff_build_procs (backend, &buf, &bufend, hdr->cbPdOffset);
4799 /* We don't use optimization symbols. */
4801 hdr->cbOptOffset = 0;
4803 /* Swap out the auxiliary type information. */
4804 hdr->cbAuxOffset = offset;
4805 offset = ecoff_build_aux (backend, &buf, &bufend, offset);
4806 hdr->iauxMax = (offset - hdr->cbAuxOffset) / sizeof (union aux_ext);
4808 /* Copy out the local strings. */
4809 hdr->cbSsOffset = offset;
4810 offset = ecoff_build_ss (backend, &buf, &bufend, offset);
4811 hdr->issMax = offset - hdr->cbSsOffset;
4813 /* We don't use relative file descriptors. */
4815 hdr->cbRfdOffset = 0;
4817 /* Swap out the file descriptors. */
4818 hdr->cbFdOffset = offset;
4819 offset = ecoff_build_fdr (backend, &buf, &bufend, offset);
4820 hdr->ifdMax = (offset - hdr->cbFdOffset) / backend->external_fdr_size;
4822 /* Set up the external symbols, which are handled by the BFD back
4825 hdr->cbSsExtOffset = 0;
4827 hdr->cbExtOffset = 0;
4830 know ((offset & (backend->debug_align - 1)) == 0);
4832 /* FIXME: This value should be determined from the .verstamp directive,
4833 with reasonable defaults in config files. */
4835 hdr->vstamp = 0x030b;
4837 hdr->vstamp = 0x020b;
4844 /* Allocate a cluster of pages. */
4846 #ifndef MALLOC_CHECK
4849 allocate_cluster (npages)
4850 unsigned long npages;
4852 register page_type *value = (page_type *) xmalloc (npages * PAGE_USIZE);
4856 fprintf (stderr, "\talloc\tnpages = %d, value = 0x%.8x\n", npages, value);
4859 memset (value, 0, npages * PAGE_USIZE);
4865 static page_type *cluster_ptr = NULL;
4866 static unsigned long pages_left = 0;
4868 #endif /* MALLOC_CHECK */
4870 /* Allocate one page (which is initialized to 0). */
4875 #ifndef MALLOC_CHECK
4877 if (pages_left == 0)
4879 pages_left = MAX_CLUSTER_PAGES;
4880 cluster_ptr = allocate_cluster (pages_left);
4884 return cluster_ptr++;
4886 #else /* MALLOC_CHECK */
4890 ptr = xmalloc (PAGE_USIZE);
4891 memset (ptr, 0, PAGE_USIZE);
4894 #endif /* MALLOC_CHECK */
4897 /* Allocate scoping information. */
4902 register scope_t *ptr;
4903 static scope_t initial_scope;
4905 #ifndef MALLOC_CHECK
4907 ptr = alloc_counts[(int)alloc_type_scope].free_list.f_scope;
4908 if (ptr != (scope_t *) NULL)
4909 alloc_counts[ (int)alloc_type_scope ].free_list.f_scope = ptr->free;
4912 register int unallocated = alloc_counts[(int)alloc_type_scope].unallocated;
4913 register page_type *cur_page = alloc_counts[(int)alloc_type_scope].cur_page;
4915 if (unallocated == 0)
4917 unallocated = PAGE_SIZE / sizeof (scope_t);
4918 alloc_counts[(int)alloc_type_scope].cur_page = cur_page = allocate_page ();
4919 alloc_counts[(int)alloc_type_scope].total_pages++;
4922 ptr = &cur_page->scope[--unallocated];
4923 alloc_counts[(int)alloc_type_scope].unallocated = unallocated;
4928 ptr = (scope_t *) xmalloc (sizeof (scope_t));
4932 alloc_counts[(int)alloc_type_scope].total_alloc++;
4933 *ptr = initial_scope;
4937 /* Free scoping information. */
4943 alloc_counts[(int)alloc_type_scope].total_free++;
4945 #ifndef MALLOC_CHECK
4946 ptr->free = alloc_counts[(int)alloc_type_scope].free_list.f_scope;
4947 alloc_counts[(int)alloc_type_scope].free_list.f_scope = ptr;
4953 /* Allocate links for pages in a virtual array. */
4958 register vlinks_t *ptr;
4959 static vlinks_t initial_vlinks;
4961 #ifndef MALLOC_CHECK
4963 register int unallocated = alloc_counts[(int)alloc_type_vlinks].unallocated;
4964 register page_type *cur_page = alloc_counts[(int)alloc_type_vlinks].cur_page;
4966 if (unallocated == 0)
4968 unallocated = PAGE_SIZE / sizeof (vlinks_t);
4969 alloc_counts[(int)alloc_type_vlinks].cur_page = cur_page = allocate_page ();
4970 alloc_counts[(int)alloc_type_vlinks].total_pages++;
4973 ptr = &cur_page->vlinks[--unallocated];
4974 alloc_counts[(int)alloc_type_vlinks].unallocated = unallocated;
4978 ptr = (vlinks_t *) xmalloc (sizeof (vlinks_t));
4982 alloc_counts[(int)alloc_type_vlinks].total_alloc++;
4983 *ptr = initial_vlinks;
4987 /* Allocate string hash buckets. */
4992 register shash_t *ptr;
4993 static shash_t initial_shash;
4995 #ifndef MALLOC_CHECK
4997 register int unallocated = alloc_counts[(int)alloc_type_shash].unallocated;
4998 register page_type *cur_page = alloc_counts[(int)alloc_type_shash].cur_page;
5000 if (unallocated == 0)
5002 unallocated = PAGE_SIZE / sizeof (shash_t);
5003 alloc_counts[(int)alloc_type_shash].cur_page = cur_page = allocate_page ();
5004 alloc_counts[(int)alloc_type_shash].total_pages++;
5007 ptr = &cur_page->shash[--unallocated];
5008 alloc_counts[(int)alloc_type_shash].unallocated = unallocated;
5012 ptr = (shash_t *) xmalloc (sizeof (shash_t));
5016 alloc_counts[(int)alloc_type_shash].total_alloc++;
5017 *ptr = initial_shash;
5021 /* Allocate type hash buckets. */
5026 register thash_t *ptr;
5027 static thash_t initial_thash;
5029 #ifndef MALLOC_CHECK
5031 register int unallocated = alloc_counts[(int)alloc_type_thash].unallocated;
5032 register page_type *cur_page = alloc_counts[(int)alloc_type_thash].cur_page;
5034 if (unallocated == 0)
5036 unallocated = PAGE_SIZE / sizeof (thash_t);
5037 alloc_counts[(int)alloc_type_thash].cur_page = cur_page = allocate_page ();
5038 alloc_counts[(int)alloc_type_thash].total_pages++;
5041 ptr = &cur_page->thash[--unallocated];
5042 alloc_counts[(int)alloc_type_thash].unallocated = unallocated;
5046 ptr = (thash_t *) xmalloc (sizeof (thash_t));
5050 alloc_counts[(int)alloc_type_thash].total_alloc++;
5051 *ptr = initial_thash;
5055 /* Allocate structure, union, or enum tag information. */
5060 register tag_t *ptr;
5061 static tag_t initial_tag;
5063 #ifndef MALLOC_CHECK
5065 ptr = alloc_counts[(int)alloc_type_tag].free_list.f_tag;
5066 if (ptr != (tag_t *) NULL)
5067 alloc_counts[(int)alloc_type_tag].free_list.f_tag = ptr->free;
5070 register int unallocated = alloc_counts[(int)alloc_type_tag].unallocated;
5071 register page_type *cur_page = alloc_counts[(int)alloc_type_tag].cur_page;
5073 if (unallocated == 0)
5075 unallocated = PAGE_SIZE / sizeof (tag_t);
5076 alloc_counts[(int)alloc_type_tag].cur_page = cur_page = allocate_page ();
5077 alloc_counts[(int)alloc_type_tag].total_pages++;
5080 ptr = &cur_page->tag[--unallocated];
5081 alloc_counts[(int)alloc_type_tag].unallocated = unallocated;
5086 ptr = (tag_t *) xmalloc (sizeof (tag_t));
5090 alloc_counts[(int)alloc_type_tag].total_alloc++;
5095 /* Free scoping information. */
5101 alloc_counts[(int)alloc_type_tag].total_free++;
5103 #ifndef MALLOC_CHECK
5104 ptr->free = alloc_counts[(int)alloc_type_tag].free_list.f_tag;
5105 alloc_counts[(int)alloc_type_tag].free_list.f_tag = ptr;
5111 /* Allocate forward reference to a yet unknown tag. */
5116 register forward_t *ptr;
5117 static forward_t initial_forward;
5119 #ifndef MALLOC_CHECK
5121 register int unallocated = alloc_counts[(int)alloc_type_forward].unallocated;
5122 register page_type *cur_page = alloc_counts[(int)alloc_type_forward].cur_page;
5124 if (unallocated == 0)
5126 unallocated = PAGE_SIZE / sizeof (forward_t);
5127 alloc_counts[(int)alloc_type_forward].cur_page = cur_page = allocate_page ();
5128 alloc_counts[(int)alloc_type_forward].total_pages++;
5131 ptr = &cur_page->forward[--unallocated];
5132 alloc_counts[(int)alloc_type_forward].unallocated = unallocated;
5136 ptr = (forward_t *) xmalloc (sizeof (forward_t));
5140 alloc_counts[(int)alloc_type_forward].total_alloc++;
5141 *ptr = initial_forward;
5145 /* Allocate head of type hash list. */
5150 register thead_t *ptr;
5151 static thead_t initial_thead;
5153 #ifndef MALLOC_CHECK
5155 ptr = alloc_counts[(int)alloc_type_thead].free_list.f_thead;
5156 if (ptr != (thead_t *) NULL)
5157 alloc_counts[ (int)alloc_type_thead ].free_list.f_thead = ptr->free;
5160 register int unallocated = alloc_counts[(int)alloc_type_thead].unallocated;
5161 register page_type *cur_page = alloc_counts[(int)alloc_type_thead].cur_page;
5163 if (unallocated == 0)
5165 unallocated = PAGE_SIZE / sizeof (thead_t);
5166 alloc_counts[(int)alloc_type_thead].cur_page = cur_page = allocate_page ();
5167 alloc_counts[(int)alloc_type_thead].total_pages++;
5170 ptr = &cur_page->thead[--unallocated];
5171 alloc_counts[(int)alloc_type_thead].unallocated = unallocated;
5176 ptr = (thead_t *) xmalloc (sizeof (thead_t));
5180 alloc_counts[(int)alloc_type_thead].total_alloc++;
5181 *ptr = initial_thead;
5185 /* Free scoping information. */
5191 alloc_counts[(int)alloc_type_thead].total_free++;
5193 #ifndef MALLOC_CHECK
5194 ptr->free = (thead_t *) alloc_counts[(int)alloc_type_thead].free_list.f_thead;
5195 alloc_counts[(int)alloc_type_thead].free_list.f_thead = ptr;
5201 static lineno_list_t *
5202 allocate_lineno_list ()
5204 register lineno_list_t *ptr;
5205 static lineno_list_t initial_lineno_list;
5207 #ifndef MALLOC_CHECK
5209 register int unallocated = alloc_counts[(int)alloc_type_lineno].unallocated;
5210 register page_type *cur_page = alloc_counts[(int)alloc_type_lineno].cur_page;
5212 if (unallocated == 0)
5214 unallocated = PAGE_SIZE / sizeof (lineno_list_t);
5215 alloc_counts[(int)alloc_type_lineno].cur_page = cur_page = allocate_page ();
5216 alloc_counts[(int)alloc_type_lineno].total_pages++;
5219 ptr = &cur_page->lineno[--unallocated];
5220 alloc_counts[(int)alloc_type_lineno].unallocated = unallocated;
5224 ptr = (lineno_list_t *) xmalloc (sizeof (lineno_list_t));
5228 alloc_counts[(int)alloc_type_lineno].total_alloc++;
5229 *ptr = initial_lineno_list;
5234 ecoff_set_gp_prolog_size (sz)
5237 if (cur_proc_ptr == 0)
5240 cur_proc_ptr->pdr.gp_prologue = sz;
5241 if (cur_proc_ptr->pdr.gp_prologue != sz)
5243 as_warn (_("GP prologue size exceeds field size, using 0 instead"));
5244 cur_proc_ptr->pdr.gp_prologue = 0;
5247 cur_proc_ptr->pdr.gp_used = 1;
5251 ecoff_no_current_file ()
5253 return cur_file_ptr == (efdr_t *) NULL;
5257 ecoff_generate_asm_lineno ()
5259 unsigned int lineno;
5261 lineno_list_t *list;
5263 as_where (&filename, &lineno);
5265 if (current_stabs_filename == (char *)NULL
5266 || strcmp (current_stabs_filename, filename))
5267 add_file (filename, 0, 1);
5269 list = allocate_lineno_list ();
5271 list->next = (lineno_list_t *) NULL;
5272 list->file = cur_file_ptr;
5273 list->proc = cur_proc_ptr;
5274 list->frag = frag_now;
5275 list->paddr = frag_now_fix ();
5276 list->lineno = lineno;
5278 /* We don't want to merge files which have line numbers. */
5279 cur_file_ptr->fdr.fMerge = 0;
5281 /* A .loc directive will sometimes appear before a .ent directive,
5282 which means that cur_proc_ptr will be NULL here. Arrange to
5284 if (cur_proc_ptr == (proc_t *) NULL)
5288 pl = &noproc_lineno;
5289 while (*pl != (lineno_list_t *) NULL)
5296 *last_lineno_ptr = list;
5297 last_lineno_ptr = &list->next;
5304 ecoff_generate_asm_lineno ()
5308 #endif /* ECOFF_DEBUGGING */