1 /*** bfd backend for sunos binaries */
3 /* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Diddler.
7 BFD is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 1, or (at your option)
12 BFD is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with BFD; see the file COPYING. If not, write to
19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
23 * Revision 1.1 1991/03/21 21:11:23 gumby
26 * Revision 1.2 1991/03/15 18:16:52 rich
27 * *** empty log message ***
29 * Revision 1.12 1991/03/10 19:11:41 rich
31 * bfd.c coff-code.h libbfd.c libbfd.h srec.c sunos.c
33 * Working bugs out of coff support.
35 * Revision 1.11 1991/03/09 03:40:04 rich
37 * Makefile b.out.c liba.out.h libbfd.c sunos.c sysdep.h
39 * Changes dictated by porting binutils.
41 * Revision 1.10 1991/03/08 07:52:02 sac
42 * Reinstalled things which went away after latest merge from Intel.
44 * Fixed a couple of problems in symbol handling too.
46 * Revision 1.9 1991/03/08 04:18:16 rich
47 * *** empty log message ***
49 * Revision 1.8 1991/03/07 21:57:26 sac
50 * Moved type info out of the asymbol into the private space.
51 * Cleaned up C++ stuff
53 * Revision 1.7 1991/03/06 21:49:02 sac
54 * Modified bfd_find_filename to return name of function too.
56 * Revision 1.6 1991/03/06 02:19:36 sac
57 * Moved howto table, added support for constructor sections and provided
58 * sunos4_find_nearest_line
60 * Revision 1.5 1991/03/05 16:25:44 sac
61 * Modified howto vector to include inplace and mask fields.
65 #define TARGET_BYTE_ORDER_BIG_P 1
66 #define TARGET TARGET_SPARC
80 typedef void generic_symbol_type;
81 /* These values are correct for the SPARC. I dunno about anything else */
82 #define PAGE_SIZE 0x02000
83 #define SEGMENT_SIZE PAGE_SIZE
84 #define TEXT_START_ADDR PAGE_SIZE
85 #include "a.out.gnu.h"
88 #include "liba.out.h" /* BFD a.out internal data structures */
90 #include "a.out.sun4.h"
92 #define CTOR_TABLE_RELOC_IDX 2
93 static reloc_howto_type howto_table[] =
95 /* type rs size bsz pcrel bitpos abs ovrf sf name partial inplace mask*/
96 { (unsigned int) RELOC_8, 0, 0, 8, false, 0, true, true,0,"8", false, 0x000000ff},
97 { (unsigned int) RELOC_16, 0, 1, 16, false, 0, true, true,0,"16", false, 0x0000ffff},
98 { (unsigned int) RELOC_32, 0, 2, 32, false, 0, true, true,0,"32", false, 0xffffffff},
99 { (unsigned int) RELOC_DISP8, 0, 0, 8, true, 0, false, true,0,"DISP8", false, 0x000000ff},
100 { (unsigned int) RELOC_DISP16, 0, 1, 16, true, 0, false, true,0,"DISP16", false, 0x0000ffff},
101 { (unsigned int) RELOC_DISP32, 0, 2, 32, true, 0, false, true,0,"DISP32", false, 0xffffffff},
102 { (unsigned int) RELOC_WDISP30,2, 2, 30, true, 0, false, true,0,"WDISP30", false, 0x3fffffff},
103 { (unsigned int) RELOC_WDISP22,2, 2, 22, true, 0, false, true,0,"WDISP22", false, 0x003fffff},
104 { (unsigned int) RELOC_HI22, 10, 2, 22, false, 0, false, true,0,"HI22", false, 0x003fffff},
105 { (unsigned int) RELOC_22, 0, 2, 22, false, 0, false, true,0,"22", false, 0x003fffff},
106 { (unsigned int) RELOC_13, 0, 2, 13, false, 0, false, true,0,"13", false, 0x00001fff},
107 { (unsigned int) RELOC_LO10, 0, 2, 10, false, 0, false, true,0,"LO10", false, 0x000003ff},
108 { (unsigned int) RELOC_SFA_BASE,0, 2, 32, false, 0, false, true,0,"SFA_BASE", false, 0xffffffff},
109 { (unsigned int) RELOC_SFA_OFF13,0,2, 32, false, 0, false, true,0,"SFA_OFF13",false, 0xffffffff},
110 { (unsigned int) RELOC_BASE10, 0, 2, 16, false, 0, false, true,0,"BASE10", false, 0x0000ffff},
111 { (unsigned int) RELOC_BASE13, 0, 2, 13, false, 0, false, true,0,"BASE13", false, 0x00001fff},
112 { (unsigned int) RELOC_BASE22, 0, 2, 0, false, 0, false, true,0,"BASE22", false, 0x00000000},
113 { (unsigned int) RELOC_PC10, 0, 2, 10, false, 0, false, true,0,"PC10", false, 0x000003ff},
114 { (unsigned int) RELOC_PC22, 0, 2, 22, false, 0, false, true,0,"PC22", false, 0x003fffff},
115 { (unsigned int) RELOC_JMP_TBL,0, 2, 32, false, 0, false, true,0,"JMP_TBL", false, 0xffffffff},
116 { (unsigned int) RELOC_SEGOFF16,0, 2, 0, false, 0, false, true,0,"SEGOFF16", false, 0x00000000},
117 { (unsigned int) RELOC_GLOB_DAT,0, 2, 0, false, 0, false, true,0,"GLOB_DAT", false, 0x00000000},
118 { (unsigned int) RELOC_JMP_SLOT,0, 2, 0, false, 0, false, true,0,"JMP_SLOT", false, 0x00000000},
119 { (unsigned int) RELOC_RELATIVE,0, 2, 0, false, 0, false, true,0,"RELATIVE", false, 0x00000000},
120 { (unsigned int) RELOC_JUMPTARG,2, 13, 16, true, 0, false, true,0,"JUMPTARG", false, 0x0000ffff},
121 { (unsigned int) RELOC_CONST, 0, 13, 16, false, 0, false, true,0,"CONST", false, 0x0000ffff},
122 { (unsigned int) RELOC_CONSTH, 16, 13, 16, false, 0, false, true,0,"CONSTH", false, 0x0000ffff},
127 PROTO (static void, swap_exec_header, (bfd *abfd, struct exec *execp));
128 PROTO (void , sunos4_write_syms, ());
129 PROTO (static boolean,sunos4_squirt_out_relocs,(bfd *abfd, asection *section));
131 /* Steve wants some way to frob this stuff from Saber while he's debugging
132 ld, so we have these funny shadow functions */
133 /* ZMAGIC's start at 0 (making the exec part of the text section),
134 other formats start after the exec
136 unsigned int n_txtoff(ptr)
138 {return N_MAGIC(*ptr)== ZMAGIC ? 0: sizeof(struct exec);}
140 unsigned int n_datoff(ptr)
142 {return n_txtoff(ptr) + ptr->a_text;}
144 unsigned int n_treloff(ptr)
146 {return n_datoff(ptr) + ptr->a_data;}
148 unsigned int n_dreloff(ptr)
150 {return n_treloff(ptr) + ptr->a_trsize;}
152 unsigned int n_symoff(ptr)
154 {return n_dreloff(ptr) + ptr->a_drsize;}
156 unsigned int n_stroff(ptr)
158 {return n_symoff(ptr) + ptr->a_syms;}
160 unsigned int n_badmag(ptr)
163 switch (N_MAGIC(*ptr)) {
164 case OMAGIC: case NMAGIC: case ZMAGIC: return 0;
171 sunos4_object_p (abfd)
175 struct exec anexec; /* save consing when you don't have to. */
176 struct exec *execp = &anexec;
179 bfd_error = system_call_error;
181 if (bfd_read ((void *)&magic, 1, sizeof (magic), abfd) != sizeof (magic))
183 magic = bfd_h_getlong (abfd, &magic);
185 /* Baroque syntax to mask deficiencies of the Sun compiler */
186 /* if (N_BADMAG (*((struct exec *) &magic))) return 0; */
187 if (n_badmag ((struct exec *) &magic)) return 0;
189 if (bfd_seek (abfd, 0L, SEEK_SET) < 0) return 0;
191 if (bfd_read ((void *) execp, 1, sizeof (struct exec), abfd)
192 != sizeof (struct exec)) {
193 bfd_error = wrong_format;
197 /* Use an intermediate variable for clarity */
198 rawptr = (void *) zalloc (sizeof (struct sunexdata) + sizeof (struct exec));
200 if (rawptr == NULL) {
201 bfd_error = no_memory;
205 abfd->tdata =(void *)( (struct sunexdata *) rawptr);
207 (struct exec *) ((char *)rawptr + sizeof (struct sunexdata));
209 swap_exec_header (abfd, execp);
210 memcpy (exec_hdr (abfd), execp, sizeof (struct exec));
212 /* Set the file flags */
213 abfd->flags = NO_FLAGS;
214 if (execp->a_drsize || execp->a_trsize)
215 abfd->flags |= HAS_RELOC;
217 abfd->flags |= EXEC_P;
219 abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
222 if (N_MAGIC (anexec) == ZMAGIC) abfd->flags |= D_PAGED;
223 if (N_MAGIC (anexec) == NMAGIC) abfd->flags |= WP_TEXT;
225 /* Determine the architecture and machine type of the object file. */
226 abfd->obj_arch = bfd_arch_unknown; /* Default values */
227 abfd->obj_machine = 0;
228 switch (N_MACHTYPE (anexec)) {
234 abfd->obj_arch = bfd_arch_m68k;
235 abfd->obj_machine = 68010;
239 abfd->obj_arch = bfd_arch_m68k;
240 abfd->obj_machine = 68020;
244 abfd->obj_arch = bfd_arch_sparc;
248 abfd->obj_arch = bfd_arch_i386;
252 abfd->obj_arch = bfd_arch_a29k;
256 abfd->obj_arch = bfd_arch_obscure;
260 bfd_get_start_address (abfd) = execp->a_entry;
262 /* Remember the positions of the string table and symbol table. */
263 obj_str_filepos (abfd) = n_stroff (&anexec);
264 obj_sym_filepos (abfd) = n_symoff (&anexec);
266 /* create the sections. This is raunchy, but bfd_close wants to reclaim
268 obj_textsec (abfd) = (asection *)NULL;
269 obj_datasec (abfd) = (asection *)NULL;
270 obj_bsssec (abfd) = (asection *)NULL;
271 obj_aout_symbols(abfd) = (aout_symbol_type *)NULL;
272 (void)bfd_make_section(abfd, ".text");
273 (void)bfd_make_section(abfd, ".data");
274 (void)bfd_make_section(abfd, ".bss");
276 obj_datasec (abfd)->size = execp->a_data;
277 obj_bsssec (abfd)->size = execp->a_bss;
278 obj_textsec (abfd)->size = execp->a_text;
279 obj_datasec (abfd)->vma = N_DATADDR(anexec);
280 obj_bsssec (abfd)->vma = N_BSSADDR(anexec);
281 obj_textsec (abfd)->vma = N_TXTADDR(anexec);
283 obj_textsec (abfd)->filepos = n_txtoff(&anexec);
284 obj_datasec (abfd)->filepos = n_datoff(&anexec);
286 obj_textsec (abfd)->rel_filepos = n_treloff(&anexec);
287 obj_datasec (abfd)->rel_filepos = n_dreloff(&anexec);
289 obj_textsec (abfd)->flags =
290 (execp->a_trsize != 0 ?
291 (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) :
292 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS));
293 obj_datasec (abfd)->flags =
294 (execp->a_drsize != 0 ?
295 (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) :
296 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS));
297 obj_bsssec (abfd)->flags = SEC_ALLOC;
299 abfd->sections = obj_textsec (abfd);
300 obj_textsec (abfd)->next = obj_datasec (abfd);
301 obj_datasec (abfd)->next = obj_bsssec (abfd);
307 sunos4_mkobject (abfd)
312 bfd_error = system_call_error;
314 /* Use an intermediate variable for clarity */
315 rawptr = zalloc (sizeof (struct sunexdata) + sizeof (struct exec));
317 if (rawptr == NULL) {
318 bfd_error = no_memory;
322 abfd->tdata = (void *)((struct sunexdata *) rawptr);
323 exec_hdr (abfd) = (struct exec *) (rawptr + sizeof (struct sunexdata));
325 /* For simplicity's sake we just make all the sections right here. */
327 obj_textsec (abfd) = (asection *)NULL;
328 obj_datasec (abfd) = (asection *)NULL;
329 obj_bsssec (abfd) = (asection *)NULL;
330 bfd_make_section (abfd, ".text");
331 bfd_make_section (abfd, ".data");
332 bfd_make_section (abfd, ".bss");
337 /* Keep track of machine architecture and machine type for a.out's.
338 Return the machine_type for a particular arch&machine, or M_UNKNOWN
339 if that exact arch&machine can't be represented in a.out format.
341 If the architecture is understood, machine type 0 (default) should
342 always be understood. */
344 static enum machine_type
345 aout_machine_type (arch, machine)
346 enum bfd_architecture arch;
347 unsigned long machine;
349 enum machine_type arch_flags;
351 arch_flags = M_UNKNOWN;
355 if (machine == 0) arch_flags = M_SPARC;
360 case 0: arch_flags = M_UNKNOWN; break;
361 case 68000: arch_flags = M_UNKNOWN; break;
362 case 68010: arch_flags = M_68010; break;
363 case 68020: arch_flags = M_68020; break;
364 default: arch_flags = M_UNKNOWN; break;
369 if (machine == 0) arch_flags = M_386;
373 if (machine == 0) arch_flags = M_29K;
377 arch_flags = M_UNKNOWN;
384 sunos4_set_arch_mach (abfd, arch, machine)
386 enum bfd_architecture arch;
387 unsigned long machine;
389 abfd->obj_arch = arch;
390 abfd->obj_machine = machine;
391 if (arch != bfd_arch_unknown &&
392 aout_machine_type (arch, machine) == M_UNKNOWN)
393 return false; /* We can't represent this type */
394 return true; /* We're easy ... */
398 sunos4_write_object_contents (abfd)
402 struct exec *execp = exec_hdr (abfd);
406 /* Magic number, maestro, please! */
407 switch (bfd_get_architecture(abfd)) {
409 switch (bfd_get_machine(abfd)) {
411 N_SET_MACHTYPE(*execp, M_68010);
415 N_SET_MACHTYPE(*execp, M_68020);
420 N_SET_MACHTYPE(*execp, M_SPARC);
423 N_SET_MACHTYPE(*execp, M_386);
426 N_SET_MACHTYPE(*execp, M_29K);
429 N_SET_MACHTYPE(*execp, M_UNKNOWN);
431 execp->a_text = obj_textsec (abfd)->size;
432 N_SET_MAGIC (*execp, OMAGIC);
433 if (abfd->flags & D_PAGED) {
434 execp->a_text = obj_textsec (abfd)->size + sizeof(struct exec);
435 N_SET_MAGIC (*execp, ZMAGIC);
436 } else if (abfd->flags & WP_TEXT) {
437 N_SET_MAGIC (*execp, NMAGIC);
439 N_SET_FLAGS (*execp, 0x1); /* copied from ld.c; who the hell knows? */
441 if (abfd->flags & D_PAGED)
443 data_pad = ((obj_datasec(abfd)->size + PAGE_SIZE -1)
444 & (- PAGE_SIZE)) - obj_datasec(abfd)->size;
446 if (data_pad > obj_bsssec(abfd)->size)
449 execp->a_bss = obj_bsssec(abfd)->size - data_pad;
450 execp->a_data = obj_datasec(abfd)->size + data_pad;
454 execp->a_data = obj_datasec (abfd)->size;
455 execp->a_bss = obj_bsssec (abfd)->size;
458 execp->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
459 execp->a_entry = bfd_get_start_address (abfd);
460 execp->a_trsize = ((obj_textsec (abfd)->reloc_count) *
461 sizeof (struct reloc_info_extended));
462 execp->a_drsize = ((obj_datasec (abfd)->reloc_count) *
463 sizeof (struct reloc_info_extended));;
465 swap_exec_header (abfd, execp);
467 bfd_seek (abfd, 0L, SEEK_SET);
468 bfd_write ((void *) execp, 1, sizeof (struct exec), abfd);
470 /* Now write out reloc info, followed by syms and strings */
472 if (bfd_get_symcount (abfd) != 0)
475 (long)(N_SYMOFF(*execp)), SEEK_SET);
477 sunos4_write_syms (abfd);
479 bfd_seek (abfd, (long)(N_TROFF(*execp)), SEEK_SET);
481 if (!sunos4_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
482 bfd_seek (abfd, (long)(N_DROFF(*execp)), SEEK_SET);
484 if (!sunos4_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
490 swap_exec_header (abfd, execp)
494 if (bfd_header_twiddle_required(abfd)) {
495 /* execp->a_info = bfd_h_getlong (abfd, &execp->a_info); */
496 *(unsigned long *) execp =
497 bfd_h_getlong (abfd, (unsigned long *) execp);
498 execp->a_text = bfd_h_getlong (abfd, &execp->a_text);
499 execp->a_data = bfd_h_getlong (abfd, &execp->a_data);
500 execp->a_bss = bfd_h_getlong (abfd, &execp->a_bss);
501 execp->a_syms = bfd_h_getlong (abfd, &execp->a_syms);
502 execp->a_entry = bfd_h_getlong (abfd, &execp->a_entry);
503 execp->a_trsize = bfd_h_getlong (abfd, &execp->a_trsize);
504 execp->a_drsize = bfd_h_getlong (abfd, &execp->a_drsize);
506 } /* swap_exec_header() */
510 #define CORE_MAGIC 0x080456
511 #define CORE_NAMELEN 16
513 /* The core structure is taken from the Sun documentation.
514 Unfortunately, they don't document the FPA structure, or at least I
515 can't find it easily. Fortunately the core header contains its own
516 length. So this shouldn't cause problems, except for c_ucode, which
517 so far we don't use but is easy to find with a little arithmetic. */
519 /* But the reg structure can be gotten from the SPARC processor handbook.
520 This really should be in a GNU include file though so that gdb can use
544 /* Taken from Sun documentation: */
547 int c_magic; /* Corefile magic number */
548 int c_len; /* Sizeof (struct core) */
549 struct regs c_regs; /* General purpose registers */
550 struct exec c_aouthdr; /* A.out header */
551 int c_signo; /* Killing signal, if any */
552 int c_tsize; /* Text size (bytes) */
553 int c_dsize; /* Data size (bytes) */
554 int c_ssize; /* Stack size (bytes) */
555 char c_cmdname[CORE_NAMELEN + 1]; /* Command name */
556 double fp_stuff[1]; /* external FPU state (size unknown by us) */
557 /* The type "double" is critical here, for alignment.
558 SunOS declares a struct here, but the struct's
559 alignment is double since it contains doubles. */
560 int c_ucode; /* Exception no. from u_code */
561 /* (this member not accessible by name since we don't
562 portably know the size of fp_stuff.) */
565 /* Supposedly the user stack grows downward from the bottom of kernel memory.
566 Presuming that this remains true, this definition will work. */
567 #define USRSTACK (-(128*1024*1024))
569 PROTO (static void, swapcore, (bfd *abfd, struct core *core));
571 /* need this cast b/c ptr is really void * */
572 #define core_hdr(bfd) (((struct suncordata *) (bfd->tdata))->hdr)
573 #define core_datasec(bfd) (((struct suncordata *) ((bfd)->tdata))->data_section)
574 #define core_stacksec(bfd) (((struct suncordata*)((bfd)->tdata))->stack_section)
575 #define core_regsec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg_section)
576 #define core_regsec2(bfd) (((struct suncordata *) ((bfd)->tdata))->reg2_section)
578 /* These are stored in the bfd's tdata */
580 struct core *hdr; /* core file header */
581 asection *data_section;
582 asection *stack_section;
583 asection *reg_section;
584 asection *reg2_section;
588 sunos4_core_file_p (abfd)
591 /* includes redundent variables for code clarity */
597 bfd_error = system_call_error;
599 if (bfd_read ((void *)&core_mag, 1, sizeof (int), abfd) != sizeof (int))
601 core_mag = bfd_h_getlong(abfd, &core_mag);
603 if (core_mag != CORE_MAGIC) return 0;
605 /* SunOS core headers can vary in length; second word is size; */
606 if (bfd_read ((void *)&core_size, 1, sizeof (int), abfd) != sizeof (int))
608 core_size = bfd_h_getlong(abfd, &core_size);
610 if (bfd_seek (abfd, 0L, SEEK_SET) < 0) return 0;
612 rawptr = zalloc (core_size + sizeof (struct suncordata));
613 if (rawptr == NULL) {
614 bfd_error = no_memory;
618 core = (struct core *) (rawptr + sizeof (struct suncordata));
620 if ((bfd_read ((void *) core, 1, core_size, abfd)) != core_size) {
621 bfd_error = system_call_error;
622 free ((void *)rawptr);
626 swapcore (abfd, core);
627 abfd->tdata = (void *)((struct suncordata *) rawptr);
628 core_hdr (abfd) = core;
630 /* create the sections. This is raunchy, but bfd_close wants to reclaim
632 core_stacksec (abfd) = (asection *) zalloc (sizeof (asection));
633 if (core_stacksec (abfd) == NULL) {
635 bfd_error = no_memory;
636 free ((void *)rawptr);
639 core_datasec (abfd) = (asection *) zalloc (sizeof (asection));
640 if (core_datasec (abfd) == NULL) {
642 free ((void *)core_stacksec (abfd));
645 core_regsec (abfd) = (asection *) zalloc (sizeof (asection));
646 if (core_regsec (abfd) == NULL) {
648 free ((void *)core_datasec (abfd));
651 core_regsec2 (abfd) = (asection *) zalloc (sizeof (asection));
652 if (core_regsec2 (abfd) == NULL) {
653 free ((void *)core_regsec (abfd));
657 core_stacksec (abfd)->name = ".stack";
658 core_datasec (abfd)->name = ".data";
659 core_regsec (abfd)->name = ".reg";
660 core_regsec2 (abfd)->name = ".reg2";
662 core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
663 core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
664 core_regsec (abfd)->flags = SEC_ALLOC;
665 core_regsec2 (abfd)->flags = SEC_ALLOC;
667 core_stacksec (abfd)->size = core->c_ssize;
668 core_datasec (abfd)->size = core->c_dsize;
669 core_regsec (abfd)->size = (sizeof core->c_regs);
670 /* Float regs take up end of struct, except c_ucode. */
671 core_regsec2 (abfd)->size = core_size - (sizeof core->c_ucode) -
672 (file_ptr)(((struct core *)0)->fp_stuff);
674 core_stacksec (abfd)->vma = (USRSTACK - core->c_ssize);
675 core_datasec (abfd)->vma = N_DATADDR(core->c_aouthdr);
676 core_regsec (abfd)->vma = -1;
677 core_regsec2 (abfd)->vma = -1;
679 core_stacksec (abfd)->filepos = core->c_len + core->c_dsize;
680 core_datasec (abfd)->filepos = core->c_len;
681 /* In file header: */
682 core_regsec (abfd)->filepos = (file_ptr)(&((struct core *)0)->c_regs);
683 core_regsec2 (abfd)->filepos = (file_ptr)(((struct core *)0)->fp_stuff);
685 /* Align to word at least */
686 core_stacksec (abfd)->alignment_power = 2;
687 core_datasec (abfd)->alignment_power = 2;
688 core_regsec (abfd)->alignment_power = 2;
689 core_regsec2 (abfd)->alignment_power = 2;
691 abfd->sections = core_stacksec (abfd);
692 core_stacksec (abfd)->next = core_datasec (abfd);
693 core_datasec (abfd)->next = core_regsec (abfd);
694 core_regsec (abfd)->next = core_regsec2 (abfd);
696 abfd->section_count = 4;
702 sunos4_core_file_failing_command (abfd)
705 return core_hdr (abfd)->c_cmdname;
709 sunos4_core_file_failing_signal (abfd)
712 return core_hdr (abfd)->c_signo;
716 sunos4_core_file_matches_executable_p (core_bfd, exec_bfd)
717 bfd *core_bfd, *exec_bfd;
719 if (core_bfd->xvec != exec_bfd->xvec) {
720 bfd_error = system_call_error;
724 return (bcmp (&core_hdr (core_bfd), &exec_hdr (exec_bfd),
725 sizeof (struct exec)) == 0) ? true : false;
728 /* byte-swap core structure */
730 swapcore (abfd, core)
734 if (bfd_header_twiddle_required(abfd)) {
735 core->c_magic = bfd_h_getlong (abfd, &core->c_magic);
736 core->c_len = bfd_h_getlong (abfd, &core->c_len);
738 swap_exec_header (abfd, &(core->c_aouthdr));
739 core->c_signo = bfd_h_getlong (abfd, &core->c_signo);
740 core->c_tsize = bfd_h_getlong (abfd, &core->c_tsize);
741 core->c_dsize = bfd_h_getlong (abfd, &core->c_dsize);
742 core->c_ssize = bfd_h_getlong (abfd, &core->c_ssize);
743 core->c_ucode = bfd_h_getlong (abfd, &core->c_ucode);
744 /* I don't understand how to swap an FP register */
748 /** exec and core file sections */
751 sunos4_new_section_hook (abfd, newsect)
755 /* align to double at least */
756 newsect->alignment_power = 3;
758 if (bfd_get_format (abfd) == bfd_object) {
759 if (obj_textsec(abfd) == NULL && !strcmp(newsect->name, ".text")) {
760 obj_textsec(abfd)= newsect;
764 if (obj_datasec(abfd) == NULL && !strcmp(newsect->name, ".data")) {
765 obj_datasec(abfd) = newsect;
769 if (obj_bsssec(abfd) == NULL && !strcmp(newsect->name, ".bss")) {
770 obj_bsssec(abfd) = newsect;
775 #if 0 /* FIXME -- this is temporary for steve */
776 bfd_error = invalid_operation;
781 /* We allow more than three sections internally */
786 sunos4_set_section_contents (abfd, section, location, offset, count)
789 unsigned char *location;
793 if (abfd->output_has_begun == false)
794 { /* set by bfd.c handler */
795 if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL)
798 (obj_textsec (abfd)->size == 0) || (obj_datasec (abfd)->size=
802 bfd_error = invalid_operation;
808 if (abfd->flags & D_PAGED)
810 obj_textsec (abfd)->filepos = sizeof(struct exec);
811 obj_datasec(abfd)->filepos = obj_textsec (abfd)->size;
816 obj_textsec (abfd)->filepos = sizeof(struct exec);
817 obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos + obj_textsec (abfd)->size;
821 /* regardless, once we know what we're doing, we might as well get going */
823 bfd_seek (abfd, section->filepos + offset, SEEK_SET);
826 return (bfd_write ((void *)location, 1, count, abfd) == count) ? true : false;
831 sunos4_get_section_contents (abfd, section, location, offset, count)
839 if (offset >= section->size) return false;
841 bfd_seek (abfd, section->filepos + offset, SEEK_SET);
843 return (bfd_read (location, 1, count, abfd) == count) ? true:false;
849 /* Classify stabs symbols */
852 #define sym_in_text_section(sym) \
853 (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_TEXT)
855 #define sym_in_data_section(sym) \
856 (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_DATA)
858 #define sym_in_bss_section(sym) \
859 (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_BSS)
861 /* Symbol is undefined if type is N_UNDF|N_EXT and if it has
862 zero in the "value" field. Nonzeroes there are fortrancommon
864 #define sym_is_undefined(sym) \
865 ((sym)->n_type == (N_UNDF | N_EXT) && (sym)->n_value == 0)
867 /* Symbol is a global definition if N_EXT is on and if it has
868 a nonzero type field. */
869 #define sym_is_global_defn(sym) \
870 (((sym)->n_type & N_EXT) && (sym)->n_type & N_TYPE)
872 /* Symbol is debugger info if any bits outside N_TYPE or N_EXT
874 #define sym_is_debugger_info(sym) \
875 ((sym)->n_type & ~(N_EXT | N_TYPE))
877 #define sym_is_fortrancommon(sym) \
878 (((sym)->n_type == (N_EXT)) && (sym)->n_value != 0)
880 /* Symbol is absolute if it has N_ABS set */
881 #define sym_is_absolute(sym) \
882 (((sym)->n_type & N_TYPE)== N_ABS)
885 #define sym_is_indirect(sym) \
886 (((sym)->n_type & N_ABS)== N_ABS)
888 /* Only in their own functions for ease of debugging; when sym flags have
889 stabilised these should be inlined into their (single) caller */
892 translate_from_native_sym_flags (sym_pointer, cache_ptr, abfd)
893 struct nlist *sym_pointer;
894 aout_symbol_type *cache_ptr;
897 switch (cache_ptr->type & N_TYPE) {
903 asection *section = bfd_make_section(abfd,
904 cache_ptr->symbol.name);
905 arelent_chain *reloc = (arelent_chain *)malloc(sizeof(arelent_chain));
907 switch ( (cache_ptr->type & N_TYPE) ) {
909 reloc->relent.section = (asection *)NULL;
910 cache_ptr->symbol.section = (asection *)NULL;
913 reloc->relent.section = (asection *)obj_textsec(abfd);
914 cache_ptr->symbol.value -= reloc->relent.section->vma;
917 reloc->relent.section = (asection *)obj_datasec(abfd);
918 cache_ptr->symbol.value -= reloc->relent.section->vma;
921 reloc->relent.section = (asection *)obj_bsssec(abfd);
922 cache_ptr->symbol.value -= reloc->relent.section->vma;
925 cache_ptr->symbol.section = reloc->relent.section;
926 reloc->relent.addend = cache_ptr->symbol.value ;
928 We modify the symbol to belong to a section depending upon the
929 name of the symbol - probably __CTOR__ or __DTOR__ but we don't
930 really care, and add to the size of the section to contain a
931 pointer to the symbol. Build a reloc entry to relocate to this
932 symbol attached to this section.
936 section->flags = SEC_CONSTRUCTOR;
937 section->reloc_count++;
938 section->alignment_power = 2;
939 reloc->relent.sym_ptr_ptr = (asymbol **)NULL;
940 reloc->next = section->constructor_chain;
941 section->constructor_chain = reloc;
942 reloc->relent.address = section->size;
943 section->size += sizeof(int *);
945 reloc->relent.howto = howto_table +CTOR_TABLE_RELOC_IDX;
946 cache_ptr->symbol.flags |= BSF_DEBUGGING ;
951 if (sym_is_debugger_info (sym_pointer)) {
952 cache_ptr->symbol.flags = BSF_DEBUGGING ;
953 /* Work out the section correct for this symbol */
954 switch (sym_pointer->n_type & N_TYPE)
958 cache_ptr->symbol.section = obj_textsec (abfd);
959 cache_ptr->symbol.value -= obj_textsec(abfd)->vma;
962 cache_ptr->symbol.value -= obj_datasec(abfd)->vma;
963 cache_ptr->symbol.section = obj_datasec (abfd);
966 cache_ptr->symbol.section = obj_bsssec (abfd);
967 cache_ptr->symbol.value -= obj_bsssec(abfd)->vma;
971 cache_ptr->symbol.section = 0;
976 if (sym_is_fortrancommon (sym_pointer))
978 cache_ptr->symbol.flags = BSF_FORT_COMM;
979 cache_ptr->symbol.section = (asection *)NULL;
982 if (sym_is_undefined (sym_pointer)) {
983 cache_ptr->symbol.flags = BSF_UNDEFINED;
985 else if (sym_is_global_defn (sym_pointer)) {
986 cache_ptr->symbol.flags = BSF_GLOBAL | BSF_EXPORT;
989 else if (sym_is_absolute (sym_pointer)) {
990 cache_ptr->symbol.flags = BSF_ABSOLUTE;
993 cache_ptr->symbol.flags = BSF_LOCAL;
996 /* In a.out, the value of a symbol is always relative to the
997 * start of the file, if this is a data symbol we'll subtract
998 * the size of the text section to get the section relative
999 * value. If this is a bss symbol (which would be strange)
1000 * we'll subtract the size of the previous two sections
1001 * to find the section relative address.
1004 if (sym_in_text_section (sym_pointer)) {
1005 cache_ptr->symbol.value -= obj_textsec(abfd)->vma;
1006 cache_ptr->symbol.section = obj_textsec (abfd);
1008 else if (sym_in_data_section (sym_pointer)){
1009 cache_ptr->symbol.value -= obj_datasec(abfd)->vma;
1010 cache_ptr->symbol.section = obj_datasec (abfd);
1012 else if (sym_in_bss_section(sym_pointer)) {
1013 cache_ptr->symbol.section = obj_bsssec (abfd);
1014 cache_ptr->symbol.value -= obj_bsssec(abfd)->vma;
1017 cache_ptr->symbol.section = (asection *)NULL;
1018 cache_ptr->symbol.flags |= BSF_ABSOLUTE;
1025 translate_to_native_sym_flags (sym_pointer, cache_ptr_g, abfd)
1026 struct nlist *sym_pointer;
1027 generic_symbol_type *cache_ptr_g;
1030 asymbol *cache_ptr = (asymbol *)cache_ptr_g;
1032 /* FIXME check for wrigin bss */
1033 if (bfd_get_section(cache_ptr)) {
1034 if (bfd_get_output_section(cache_ptr) == obj_bsssec (abfd)) {
1035 sym_pointer->n_type |= N_BSS;
1037 else if (bfd_get_output_section(cache_ptr) == obj_datasec (abfd)) {
1038 sym_pointer->n_type |= N_DATA;
1040 else if (bfd_get_output_section(cache_ptr) == obj_textsec (abfd)) {
1041 sym_pointer->n_type |= N_TEXT;
1046 /* Turn the symbol from section relative to absolute again */
1047 sym_pointer->n_value +=
1048 cache_ptr->section->output_section->vma
1049 + cache_ptr->section->output_offset ;
1052 sym_pointer->n_type |= N_ABS;
1055 if (cache_ptr->flags & (BSF_FORT_COMM | BSF_UNDEFINED)) {
1056 sym_pointer->n_type = (N_UNDF | N_EXT);
1060 if (cache_ptr->flags & BSF_ABSOLUTE) {
1061 sym_pointer->n_type |= N_ABS;
1064 if (cache_ptr->flags & (BSF_GLOBAL | BSF_EXPORT)) {
1065 sym_pointer->n_type |= N_EXT;
1067 if (cache_ptr->flags & BSF_DEBUGGING) {
1068 sym_pointer->n_type = ((aout_symbol_type *)cache_ptr)->type;
1073 /* Native-level interface to symbols. */
1075 /* We read the symbols into a buffer, which is discarded when this
1076 function exits. We read the strings into a buffer large enough to
1077 hold them all plus all the cached symbol entries. */
1080 sunos4_make_empty_symbol (abfd)
1083 aout_symbol_type *new =
1084 (aout_symbol_type *)zalloc (sizeof (aout_symbol_type));
1085 new->symbol.the_bfd = abfd;
1087 return &new->symbol;
1091 sunos4_slurp_symbol_table (abfd)
1094 unsigned int symbol_count;
1099 aout_symbol_type *cached;
1101 /* If there's no work to be done, don't do any */
1102 if (obj_aout_symbols (abfd) != (aout_symbol_type *)NULL) return true;
1103 symbol_size = exec_hdr(abfd)->a_syms;
1104 if (symbol_size == 0) {
1105 bfd_error = no_symbols;
1109 bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET);
1110 if (bfd_read ((void *)&string_size, 4, 1, abfd) != 4)
1112 string_size = bfd_h_getlong (abfd, (unsigned char *)&string_size);
1114 symbol_count = symbol_size / sizeof (struct nlist);
1116 /* Malloc (should alloca) space for native symbols, and
1117 malloc space for string table and symbol cache. */
1119 syms = (struct nlist *) zalloc (symbol_size);
1121 bfd_error = no_memory;
1125 cached = (aout_symbol_type *) zalloc ((size_t)(string_size + 1 +
1126 (symbol_count * sizeof (aout_symbol_type))));
1127 if (cached == NULL) {
1128 bfd_error = no_memory;
1129 free ((void *)syms);
1133 strings = ((char *) cached) + (symbol_count * sizeof (aout_symbol_type));
1135 bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET);
1136 if (bfd_read ((void *)syms, 1, symbol_size, abfd) != symbol_size) {
1138 free ((void *)cached);
1143 bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET);
1144 if (bfd_read ((void *)strings, 1, string_size, abfd) != string_size) {
1148 /* OK, now walk the new symtable, cacheing symbol properties */
1150 register struct nlist *sym_pointer;
1151 register struct nlist *sym_end = syms + symbol_count;
1152 register aout_symbol_type *cache_ptr = cached;
1154 if (bfd_header_twiddle_required (abfd) == true) {
1155 /* run through the table and byte swap if needed */
1156 for (sym_pointer = syms; sym_pointer < sym_end; sym_pointer++) {
1157 sym_pointer->n_un.n_strx =
1158 bfd_h_get_x (abfd, &sym_pointer->n_un.n_strx);
1159 sym_pointer->n_desc =
1160 bfd_h_get_x (abfd, &sym_pointer->n_desc);
1161 sym_pointer->n_value =
1162 bfd_h_get_x (abfd, &sym_pointer->n_value);
1163 sym_pointer->n_other = (char)
1164 bfd_h_get_x(abfd, &sym_pointer->n_other);
1165 sym_pointer->n_type = (char)
1166 bfd_h_get_x(abfd, &sym_pointer->n_type);
1170 /* Run through table and copy values */
1171 for (sym_pointer = syms, cache_ptr = cached;
1172 sym_pointer < sym_end; sym_pointer++, cache_ptr++)
1174 cache_ptr->symbol.the_bfd = abfd;
1175 if (sym_pointer->n_un.n_strx)
1176 cache_ptr->symbol.name = sym_pointer->n_un.n_strx + strings;
1178 cache_ptr->symbol.name = (char *)NULL;
1179 cache_ptr->symbol.value = sym_pointer->n_value;
1180 cache_ptr->desc = sym_pointer->n_desc;
1181 cache_ptr->other = sym_pointer->n_other;
1182 cache_ptr->type = sym_pointer->n_type;
1183 cache_ptr->symbol.udata = 0;
1184 translate_from_native_sym_flags (sym_pointer, cache_ptr, abfd);
1189 obj_aout_symbols (abfd) = cached;
1190 bfd_get_symcount (abfd) = symbol_count;
1191 free ((void *)syms);
1198 sunos4_write_syms (abfd)
1201 unsigned int count ;
1202 asymbol **generic = bfd_get_outsymbols (abfd);
1204 unsigned int stindex = sizeof(stindex); /* initial string length */
1206 for (count = 0; count < bfd_get_symcount (abfd); count++) {
1207 asymbol *g = generic[count];
1211 unsigned int length = strlen(g->name) +1;
1212 bfd_h_putlong (abfd, stindex, (unsigned char *)&nsp.n_un.n_strx);
1216 bfd_h_putlong (abfd, 0, (unsigned char *)&nsp.n_un.n_strx);
1219 if (g->the_bfd->xvec->flavour == abfd->xvec->flavour)
1221 nsp.n_desc = aout_symbol( g)->desc;
1222 nsp.n_other = aout_symbol(g)->other;
1223 nsp.n_type = aout_symbol(g)->type;
1233 nsp.n_value = g->value;
1234 translate_to_native_sym_flags (&nsp, (generic_symbol_type *)g, abfd);
1237 bfd_h_putshort (abfd, nsp.n_desc, (unsigned char *)&nsp.n_desc);
1238 bfd_h_putlong (abfd, nsp.n_value, (unsigned char *)&nsp.n_value);
1239 bfd_write((void *)&nsp,1, sizeof(nsp), abfd);
1243 /* Now output the strings. Be sure to put string length into correct
1244 * byte ordering before writing it.
1246 bfd_h_putlong (abfd, stindex, (unsigned char *)&stindex);
1248 bfd_write((void *)&stindex, 1, sizeof(stindex), abfd);
1250 generic = bfd_get_outsymbols(abfd);
1251 for (count = 0; count < bfd_get_symcount(abfd); count++)
1253 asymbol *g = *(generic++);
1255 if (g->name != (char *)NULL)
1257 size_t length = strlen(g->name)+1;
1258 bfd_write((void *)g->name, 1, length, abfd);
1260 if ((g->flags & BSF_FAKE)==0) {
1261 g->name = itos(count); /* smash the generic symbol */
1268 sunos4_reclaim_symbol_table (abfd)
1273 if (!bfd_get_symcount (abfd)) return;
1275 for (section = abfd->sections;
1276 section != (asection *) NULL;
1277 section = section->next)
1278 if (section->relocation) {
1279 free ((void *)section->relocation);
1280 section->relocation = NULL;
1281 section->reloc_count = 0;
1284 bfd_get_symcount (abfd) = 0;
1285 free ((void *)obj_aout_symbols (abfd));
1286 obj_aout_symbols (abfd) = (aout_symbol_type *)NULL;
1290 sunos4_get_symtab_upper_bound (abfd)
1293 if (!sunos4_slurp_symbol_table (abfd)) return 0;
1295 return (bfd_get_symcount (abfd)+1) * (sizeof (aout_symbol_type *));
1299 sunos4_get_symtab (abfd, location)
1303 unsigned int counter = 0;
1304 aout_symbol_type *symbase;
1306 if (!sunos4_slurp_symbol_table (abfd)) return 0;
1308 for (symbase = obj_aout_symbols(abfd); counter++ < bfd_get_symcount (abfd);)
1309 *(location++) = (asymbol *)( symbase++);
1311 return bfd_get_symcount(abfd);
1315 /* Obsolete procedural interface; better to look at the cache directly */
1317 /* User should have checked the file flags; perhaps we should return
1318 BFD_NO_MORE_SYMBOLS if there are none? */
1321 sunos4_get_symcount_upper_bound (abfd)
1324 /* In case we're doing an output file or something...? */
1325 if (bfd_get_symcount (abfd)) return bfd_get_symcount (abfd);
1327 return (exec_hdr (abfd)->a_syms) / (sizeof (struct nlist));
1331 sunos4_get_first_symbol (ignore_abfd)
1338 sunos4_get_next_symbol (abfd, oidx)
1342 if (oidx == BFD_NO_MORE_SYMBOLS) return BFD_NO_MORE_SYMBOLS;
1343 return ++oidx >= bfd_get_symcount (abfd) ? BFD_NO_MORE_SYMBOLS : oidx;
1347 sunos4_symbol_name (abfd, idx)
1351 return (obj_aout_symbols (abfd) + idx)->symbol.name;
1355 sunos4_symbol_value (abfd, idx)
1359 return (obj_aout_symbols (abfd) + idx)->symbol.value;
1363 sunos4_classify_symbol (abfd, idx)
1367 aout_symbol_type *sym = obj_aout_symbols (abfd) + idx;
1369 if ((sym->symbol.flags & BSF_FORT_COMM) != 0) return bfd_symclass_fcommon;
1370 if ((sym->symbol.flags & BSF_GLOBAL) != 0) return bfd_symclass_global;
1371 if ((sym->symbol.flags & BSF_DEBUGGING) != 0) return bfd_symclass_debugger;
1372 if ((sym->symbol.flags & BSF_UNDEFINED) != 0) return bfd_symclass_undefined;
1374 return bfd_symclass_unknown;
1378 sunos4_symbol_hasclass (abfd, idx, class)
1383 aout_symbol_type *sym = obj_aout_symbols (abfd) + idx;
1385 case bfd_symclass_fcommon:
1386 return (sym->symbol.flags & BSF_FORT_COMM) ? true :false;
1387 case bfd_symclass_global:
1388 return (sym->symbol.flags & BSF_GLOBAL) ? true:false;
1389 case bfd_symclass_debugger:
1390 return (sym->symbol.flags & BSF_DEBUGGING) ? true:false;;
1391 case bfd_symclass_undefined:
1392 return (sym->symbol.flags & BSF_UNDEFINED) ? true:false;;
1393 default: return false;
1397 /** Some reloc hackery */
1401 sunos4_slurp_reloc_table (abfd, asect, symbols)
1408 struct reloc_info_extended *relocs;
1409 arelent *reloc_cache;
1411 if (asect->relocation) return true;
1413 if (asect->flags & SEC_CONSTRUCTOR) return true;
1415 if (asect == obj_datasec (abfd)) {
1416 reloc_size = exec_hdr(abfd)->a_drsize;
1420 if (asect == obj_textsec (abfd)) {
1421 reloc_size = exec_hdr(abfd)->a_trsize;
1425 bfd_error = invalid_operation;
1429 bfd_seek (abfd, asect->rel_filepos, SEEK_SET);
1430 count = reloc_size / sizeof (struct reloc_info_extended);
1432 relocs = (struct reloc_info_extended *) malloc (reloc_size);
1434 bfd_error = no_memory;
1437 reloc_cache = (arelent *) zalloc ((size_t)(count * sizeof (arelent)));
1438 if (reloc_cache == (arelent *)NULL) {
1439 free ((void *)relocs);
1440 bfd_error = no_memory;
1444 if (bfd_read ((void*) relocs, 1, reloc_size, abfd) != reloc_size) {
1445 bfd_error = system_call_error;
1452 register struct reloc_info_extended *rptr = relocs;
1453 unsigned int counter = 0;
1454 arelent *cache_ptr = reloc_cache;
1456 for (; counter < count; counter++, rptr++, cache_ptr++) {
1457 /* john's old swap_reloc was a hell of a lot hairier... */
1458 /* FIXME, it needs to be!!! */
1459 rptr->r_address = bfd_h_getlong (abfd, &rptr->r_address);
1461 * The following can't be done because r_index is a bit field:
1463 * rptr->r_index = bfd_h_getlong (abfd, &rptr->r_index);
1465 rptr->r_addend = bfd_h_getlong (abfd, &rptr->r_addend);
1466 if (rptr->r_extern) {
1467 /* If this bit is set then the r_index is a index into the symbol table
1468 * if the bit is not set then r_index contains a section map.
1469 * We either fill in the sym entry with a pointer to the symbol,
1470 * or point to the correct section
1473 cache_ptr->sym_ptr_ptr = symbols + rptr->r_index;
1474 cache_ptr->addend = rptr->r_addend;
1475 cache_ptr->section = (asection *)NULL;
1479 /* Remember that in a.out symbols are relative to the
1480 beginning of the file rather than sections ? (look in
1481 translate_from_native_sym_flags) The reloc entry addend
1482 has added to it the offset into the file of the data, so
1483 subtract the base to make the reloc section relative */
1485 cache_ptr->sym_ptr_ptr = (asymbol **)NULL;
1486 switch (rptr->r_index) {
1488 case N_TEXT | N_EXT:
1489 cache_ptr->section = obj_textsec(abfd);
1490 cache_ptr->addend = rptr->r_addend - obj_textsec(abfd)->vma ;
1493 case N_DATA | N_EXT:
1494 cache_ptr->section = obj_datasec(abfd);
1495 cache_ptr->addend = rptr->r_addend - obj_datasec(abfd)->vma ;
1499 cache_ptr->section = obj_bsssec(abfd);
1500 cache_ptr->addend = rptr->r_addend - obj_bsssec(abfd)->vma;
1513 cache_ptr->address = rptr->r_address;
1514 cache_ptr->howto = howto_table + (unsigned int)( rptr->r_type);
1519 asect->relocation = reloc_cache;
1520 asect->reloc_count = count;
1525 sunos4_squirt_out_relocs (abfd, section)
1531 unsigned int count = section->reloc_count;
1532 struct reloc_info_extended *native, *natptr;
1533 size_t natsize = count * sizeof (struct reloc_info_extended);
1535 if (count == 0) return true;
1536 generic = section->orelocation;
1537 native = ((struct reloc_info_extended *) zalloc (natsize));
1539 bfd_error = no_memory;
1543 for (natptr = native; count != 0; --count, ++natptr, ++generic)
1545 arelent *g = *generic;
1547 natptr->r_address = g->address;
1548 /* Find a type in the output format which matches the input howto -
1549 * at the moment we assume input format == output format FIXME!!
1551 natptr->r_type = (enum reloc_type) g->howto->type;
1552 /* name clobbered by sunos4_write_syms to be symbol index*/
1554 if (g->sym_ptr_ptr != (asymbol **)NULL)
1556 if ((*(g->sym_ptr_ptr))->section) {
1557 /* replace the section offset into the addent */
1558 g->addend += (*(g->sym_ptr_ptr))->section->vma;
1561 natptr->r_index = stoi((*(g->sym_ptr_ptr))->name);
1562 BFD_ASSERT(natptr->r_index < 0xfff);
1563 natptr->r_extern = 1;
1564 natptr->r_addend = g->addend;
1567 natptr->r_extern = 0;
1568 if (g->section == (asection *)NULL) {
1570 natptr->r_index = N_ABS | N_EXT;
1571 natptr->r_addend = g->addend;
1573 else if(g->section->output_section == obj_textsec(abfd)) {
1574 natptr->r_index = N_TEXT | N_EXT;
1575 natptr->r_addend = g->addend + obj_textsec(abfd)->vma;
1577 else if (g->section->output_section == obj_datasec(abfd)) {
1578 natptr->r_index = N_DATA | N_EXT;
1579 natptr->r_addend = g->addend + obj_datasec(abfd)->vma;
1581 else if (g->section->output_section == obj_bsssec(abfd)) {
1582 natptr->r_index = N_BSS | N_EXT ;
1583 natptr->r_addend = g->addend + obj_bsssec(abfd)->vma;
1591 if ( bfd_header_twiddle_required(abfd) ){
1592 bfd_h_putlong ( abfd, natptr->r_address, &natptr->r_address );
1596 * I came through here as part of my campaign to make compile-time
1597 * definition of host and target byte orders unnecessary. The new
1598 * code won't even compile because but r_index is a bit field.
1599 * But the simple-minded byte swap that was here before wasn't going
1600 * to work on a bit field anyway.
1602 * The old code used to be #ifdef'd on
1603 * TARGET_BYTE_ORDER_BIG_P != HOST_BYTE_ORDER_BIG_P
1604 * Apparently, it was never tested in such a condition: the
1605 * macro invocations here (of swapoutlong) had the wrong number
1606 * of arguments and would never have compiled.
1608 bfd_h_putlong ( abfd, natptr->r_index, &natptr->r_index );
1611 bfd_h_putlong ( abfd, natptr->r_addend, &natptr->r_addend );
1616 if ( bfd_write ((void *) native, 1, natsize, abfd) != natsize) {
1625 /* This is stupid. This function should be a boolean predicate */
1627 sunos4_canonicalize_reloc (abfd, section, relptr, symbols)
1633 arelent *tblptr = section->relocation;
1636 if (!(tblptr || sunos4_slurp_reloc_table (abfd, section, symbols)))
1639 if (section->flags & SEC_CONSTRUCTOR) {
1640 arelent_chain *chain = section->constructor_chain;
1641 for (count = 0; count < section->reloc_count; count ++) {
1642 *relptr ++ = &chain->relent;
1643 chain = chain->next;
1647 tblptr = section->relocation;
1648 if (!tblptr) return 0;
1650 for (count = 0; count++ < section->reloc_count;)
1652 *relptr++ = tblptr++;
1657 return section->reloc_count;
1661 sunos4_get_reloc_upper_bound (abfd, asect)
1665 if (bfd_get_format (abfd) != bfd_object) {
1666 bfd_error = invalid_operation;
1669 if (asect->flags & SEC_CONSTRUCTOR) {
1670 return (sizeof (arelent *) * (asect->reloc_count+1));
1673 if (asect == obj_datasec (abfd))
1674 return (sizeof (arelent *) *
1675 ((exec_hdr(abfd)->a_drsize / sizeof (struct reloc_info_extended))
1678 if (asect == obj_textsec (abfd))
1679 return (sizeof (arelent *) *
1680 ((exec_hdr(abfd)->a_trsize / sizeof (struct reloc_info_extended))
1683 bfd_error = invalid_operation;
1688 sunos4_reclaim_reloc (ignore_abfd, section)
1692 if (section->relocation) {
1693 free (section->relocation);
1694 section->relocation = NULL;
1695 section->reloc_count = 0;
1701 sunos4_get_lineno(ignore_abfd, ignore_symbol)
1703 generic_symbol_type *ignore_symbol;
1705 return (alent *)NULL;
1709 sunos4_print_symbol(ignore_abfd, file, symbol, how)
1713 bfd_print_symbol_enum_type how;
1716 case bfd_print_symbol_name_enum:
1717 fprintf(file,"%s", symbol->name);
1719 case bfd_print_symbol_type_enum:
1720 fprintf(file,"%4x %2x %2x",(unsigned)(aout_symbol(symbol)->desc & 0xffff),
1721 (unsigned)( aout_symbol(symbol)->other & 0xff),
1722 (unsigned)(aout_symbol(symbol)->type));
1724 case bfd_print_symbol_all_enum:
1726 char *section_name = symbol->section == (asection *)NULL ?
1727 "*abs" : symbol->section->name;
1729 bfd_print_symbol_vandf((void *)file,symbol);
1731 fprintf(file," %-5s %04x %02x %02x %s",
1733 (unsigned)(aout_symbol(symbol)->desc & 0xffff),
1734 (unsigned)(aout_symbol(symbol)->other & 0xff),
1735 (unsigned)(aout_symbol(symbol)->type & 0xff),
1741 /* Once we know all the stuff that could be consed, we know how to clean
1742 it up. So why don't we? */
1745 sunos4_close_and_cleanup (abfd)
1748 if (!bfd_read_p (abfd))
1749 switch (abfd->format) {
1751 if (!_bfd_write_archive_contents (abfd)) return false; break;
1753 if (!sunos4_write_object_contents (abfd)) return false; break;
1754 default: bfd_error = invalid_operation; return false;
1757 #define cleaner(ptr) if (abfd->ptr) free (abfd->ptr)
1760 if (abfd->my_archive)
1768 provided a bfd, a section and an offset into the section, calculate
1769 and return the name of the source file and the line nearest to the
1774 sunos4_find_nearest_line(abfd,
1785 char **filename_ptr;
1786 char **functionname_ptr;
1787 unsigned int *line_ptr;
1789 /* Run down the file looking for the filename, function and linenumber */
1791 static char buffer[100];
1792 bfd_vma high_line_vma = ~0;
1793 bfd_vma low_func_vma = 0;
1795 *filename_ptr = abfd->filename;
1796 *functionname_ptr = 0;
1798 if (symbols != (asymbol **)NULL) {
1799 for (p = symbols; *p; p++) {
1800 aout_symbol_type *q = (aout_symbol_type *)(*p);
1803 *filename_ptr = q->symbol.name;
1804 if (obj_textsec(abfd) != section) {
1812 /* We'll keep this if it resolves nearer than the one we have already */
1813 if (q->symbol.value >= offset &&
1814 q->symbol.value < high_line_vma) {
1815 *line_ptr = q->desc;
1816 high_line_vma = q->symbol.value;
1821 /* We'll keep this if it is nearer than the one we have already */
1822 if (q->symbol.value >= low_func_vma &&
1823 q->symbol.value <= offset) {
1824 low_func_vma = q->symbol.value;
1825 func = (asymbol *)q;
1827 if (*line_ptr && func) {
1828 char *function = func->name;
1830 strncpy(buffer, function, sizeof(buffer)-1);
1831 buffer[sizeof(buffer)-1] = 0;
1832 /* Have to remove : stuff */
1833 p = strchr(buffer,':');
1834 if (p != NULL) {*p = NULL; }
1835 *functionname_ptr = buffer;
1849 bfd_target aoutvec =
1851 "a.out-generic-big", /* name */
1852 bfd_target_aout_flavour_enum,
1853 true, /* target byte order */
1854 true, /* target headers byte order */
1855 (HAS_RELOC | EXEC_P | /* object flags */
1856 HAS_LINENO | HAS_DEBUG |
1857 HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
1858 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
1859 0, /* valid reloc types */
1860 ' ', /* ar_pad_char */
1861 16, /* ar_max_namelen */
1862 sunos4_close_and_cleanup, /* _close_and_cleanup */
1863 sunos4_set_section_contents, /* bfd_set_section_contents */
1864 sunos4_get_section_contents, /* bfd_get_section_contents */
1865 sunos4_new_section_hook, /* new_section_hook */
1866 sunos4_core_file_failing_command, /* _core_file_failing_command */
1867 sunos4_core_file_failing_signal, /* _core_file_failing_signal */
1868 sunos4_core_file_matches_executable_p, /* _core_file_matches_ex...p */
1870 bfd_slurp_bsd_armap, /* bfd_slurp_armap */
1871 bfd_true, /* bfd_slurp_extended_name_table */
1872 bfd_bsd_truncate_arname, /* bfd_truncate_arname */
1874 sunos4_get_symtab_upper_bound, /* get_symtab_upper_bound */
1875 sunos4_get_symtab, /* canonicalize_symtab */
1876 sunos4_reclaim_symbol_table, /* bfd_reclaim_symbol_table */
1877 sunos4_get_reloc_upper_bound, /* get_reloc_upper_bound */
1878 sunos4_canonicalize_reloc, /* bfd_canonicalize_reloc */
1879 sunos4_reclaim_reloc, /* bfd_reclaim_reloc */
1880 sunos4_get_symcount_upper_bound, /* bfd_get_symcount_upper_bound */
1881 sunos4_get_first_symbol, /* bfd_get_first_symbol */
1882 sunos4_get_next_symbol, /* bfd_get_next_symbol */
1883 sunos4_classify_symbol, /* bfd_classify_symbol */
1884 sunos4_symbol_hasclass, /* bfd_symbol_hasclass */
1885 sunos4_symbol_name, /* bfd_symbol_name */
1886 sunos4_symbol_value, /* bfd_symbol_value */
1888 _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */
1889 _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */
1891 {_bfd_dummy_target, sunos4_object_p, /* bfd_check_format */
1892 bfd_generic_archive_p, sunos4_core_file_p},
1893 {bfd_false, sunos4_mkobject, /* bfd_zxset_format */
1894 _bfd_generic_mkarchive, bfd_false},
1895 sunos4_make_empty_symbol,
1896 sunos4_print_symbol,
1898 sunos4_set_arch_mach,
1900 bfd_generic_openr_next_archived_file,
1901 sunos4_find_nearest_line, /* bfd_find_nearest_line */
1902 bfd_generic_stat_arch_elt /* bfd_stat_arch_elt */