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. */
25 #define TARGET_BYTE_ORDER_BIG_P 1
33 void (*bfd_error_trap)();
42 /* These values are correct for the SPARC. I dunno about anything else */
43 #define PAGE_SIZE 0x02000
44 #define SEGMENT_SIZE PAGE_SIZE
45 #define TEXT_START_ADDR PAGE_SIZE
46 #include "a.out.gnu.h"
49 #include "liba.out.h" /* BFD a.out internal data structures */
51 #include "a.out.sun4.h"
53 #define CTOR_TABLE_RELOC_IDX 2
54 static reloc_howto_type howto_table_ext[] =
56 /* type rs size bsz pcrel bitpos abs ovrf sf name partial inplace mask*/
57 { (unsigned int) RELOC_8, 0, 0, 8, false, 0, true, true,0,"8", false, 0,0x000000ff},
58 { (unsigned int) RELOC_16, 0, 1, 16, false, 0, true, true,0,"16", false, 0,0x0000ffff},
59 { (unsigned int) RELOC_32, 0, 2, 32, false, 0, true, true,0,"32", false, 0,0xffffffff},
60 { (unsigned int) RELOC_DISP8, 0, 0, 8, true, 0, false, true,0,"DISP8", false, 0,0x000000ff},
61 { (unsigned int) RELOC_DISP16, 0, 1, 16, true, 0, false, true,0,"DISP16", false, 0,0x0000ffff},
62 { (unsigned int) RELOC_DISP32, 0, 2, 32, true, 0, false, true,0,"DISP32", false, 0,0xffffffff},
63 { (unsigned int) RELOC_WDISP30,2, 2, 30, true, 0, false, true,0,"WDISP30", false, 0,0x3fffffff},
64 { (unsigned int) RELOC_WDISP22,2, 2, 22, true, 0, false, true,0,"WDISP22", false, 0,0x003fffff},
65 { (unsigned int) RELOC_HI22, 10, 2, 22, false, 0, false, true,0,"HI22", false, 0,0x003fffff},
66 { (unsigned int) RELOC_22, 0, 2, 22, false, 0, false, true,0,"22", false, 0,0x003fffff},
67 { (unsigned int) RELOC_13, 0, 2, 13, false, 0, false, true,0,"13", false, 0,0x00001fff},
68 { (unsigned int) RELOC_LO10, 0, 2, 10, false, 0, false, true,0,"LO10", false, 0,0x000003ff},
69 { (unsigned int) RELOC_SFA_BASE,0, 2, 32, false, 0, false, true,0,"SFA_BASE", false, 0,0xffffffff},
70 { (unsigned int) RELOC_SFA_OFF13,0,2, 32, false, 0, false, true,0,"SFA_OFF13",false, 0,0xffffffff},
71 { (unsigned int) RELOC_BASE10, 0, 2, 16, false, 0, false, true,0,"BASE10", false, 0,0x0000ffff},
72 { (unsigned int) RELOC_BASE13, 0, 2, 13, false, 0, false, true,0,"BASE13", false, 0,0x00001fff},
73 { (unsigned int) RELOC_BASE22, 0, 2, 0, false, 0, false, true,0,"BASE22", false, 0,0x00000000},
74 { (unsigned int) RELOC_PC10, 0, 2, 10, false, 0, false, true,0,"PC10", false, 0,0x000003ff},
75 { (unsigned int) RELOC_PC22, 0, 2, 22, false, 0, false, true,0,"PC22", false, 0,0x003fffff},
76 { (unsigned int) RELOC_JMP_TBL,0, 2, 32, false, 0, false, true,0,"JMP_TBL", false, 0,0xffffffff},
77 { (unsigned int) RELOC_SEGOFF16,0, 2, 0, false, 0, false, true,0,"SEGOFF16", false, 0,0x00000000},
78 { (unsigned int) RELOC_GLOB_DAT,0, 2, 0, false, 0, false, true,0,"GLOB_DAT", false, 0,0x00000000},
79 { (unsigned int) RELOC_JMP_SLOT,0, 2, 0, false, 0, false, true,0,"JMP_SLOT", false, 0,0x00000000},
80 { (unsigned int) RELOC_RELATIVE,0, 2, 0, false, 0, false, true,0,"RELATIVE", false, 0,0x00000000},
81 { (unsigned int) RELOC_JUMPTARG,2, 13, 16, true, 0, false, true,0,"JUMPTARG", false, 0,0x0000ffff},
82 { (unsigned int) RELOC_CONST, 0, 13, 16, false, 0, false, true,0,"CONST", false, 0,0x0000ffff},
83 { (unsigned int) RELOC_CONSTH, 16, 13, 16, false, 0, false, true,0,"CONSTH", false, 0,0x0000ffff},
86 /* Convert standard reloc records to "arelent" format (incl byte swap). */
88 static reloc_howto_type howto_table_std[] = {
89 /* type rs size bsz pcrel bitpos abs ovrf sf name*/
90 { (unsigned int) 0, 0, 0, 8, false, 0, true, true,0,"8", true, 0x000000ff,0x000000ff},
91 { (unsigned int) 1, 0, 1, 16, false, 0, true, true,0,"16", true, 0x0000ffff,0x0000ffff},
92 { (unsigned int) 2, 0, 2, 32, false, 0, true, true,0,"32", true, 0xffffffff,0xffffffff},
93 { (unsigned int) 3, 0, 3, 64, false, 0, true, true,0,"64", true, 0xdeaddead,0xdeaddead},
94 { (unsigned int) 4, 0, 0, 8, true, 0, false, true,0,"DISP8", true, 0x000000ff,0x000000ff},
95 { (unsigned int) 5, 0, 1, 16, true, 0, false, true,0,"DISP16", true, 0x0000ffff,0x0000ffff},
96 { (unsigned int) 6, 0, 2, 32, true, 0, false, true,0,"DISP32", true, 0xffffffff,0xffffffff},
97 { (unsigned int) 7, 0, 3, 64, true, 0, false, true,0,"DISP64", true, 0xfeedface,0xfeedface},
101 bfd_error_vector_type bfd_error_vector;
105 PROTO (void , sunos4_write_syms, ());
106 PROTO (static boolean,sunos4_squirt_out_relocs,(bfd *abfd, asection *section));
110 reloc_size_func(abfd)
113 switch (bfd_get_architecture (abfd)) {
116 return RELOC_EXT_SIZE;
118 return RELOC_STD_SIZE;
123 DEFUN(bfd_aout_swap_exec_header_in,(abfd, raw_bytes, execp),
125 unsigned char *raw_bytes AND
128 struct exec_bytes *bytes = (struct exec_bytes *)raw_bytes;
130 /* Now fill in fields in the execp, from the bytes in the raw data. */
131 execp->a_info = bfd_h_getlong (abfd, bytes->a_info);
132 execp->a_text = bfd_h_getlong (abfd, bytes->a_text);
133 execp->a_data = bfd_h_getlong (abfd, bytes->a_data);
134 execp->a_bss = bfd_h_getlong (abfd, bytes->a_bss);
135 execp->a_syms = bfd_h_getlong (abfd, bytes->a_syms);
136 execp->a_entry = bfd_h_getlong (abfd, bytes->a_entry);
137 execp->a_trsize = bfd_h_getlong (abfd, bytes->a_trsize);
138 execp->a_drsize = bfd_h_getlong (abfd, bytes->a_drsize);
142 DEFUN(bfd_aout_swap_exec_header_out,(abfd, execp, raw_bytes),
144 struct exec *execp AND
145 unsigned char *raw_bytes)
147 struct exec_bytes *bytes = (struct exec_bytes *)raw_bytes;
149 /* Now fill in fields in the raw data, from the fields in the exec struct. */
150 bfd_h_putlong (abfd, execp->a_info , bytes->a_info);
151 bfd_h_putlong (abfd, execp->a_text , bytes->a_text);
152 bfd_h_putlong (abfd, execp->a_data , bytes->a_data);
153 bfd_h_putlong (abfd, execp->a_bss , bytes->a_bss);
154 bfd_h_putlong (abfd, execp->a_syms , bytes->a_syms);
155 bfd_h_putlong (abfd, execp->a_entry , bytes->a_entry);
156 bfd_h_putlong (abfd, execp->a_trsize, bytes->a_trsize);
157 bfd_h_putlong (abfd, execp->a_drsize, bytes->a_drsize);
160 /* Steve wants some way to frob this stuff from Saber while he's debugging
161 ld, so we have these funny shadow functions */
162 /* ZMAGIC's start at 0 (making the exec part of the text section),
163 other formats start after the exec
165 static unsigned int n_txtoff(ptr)
167 {return N_MAGIC(*ptr)== ZMAGIC ? 0: sizeof(struct exec);}
169 static unsigned int n_datoff(ptr)
171 {return n_txtoff(ptr) + ptr->a_text;}
173 static unsigned int n_treloff(ptr)
175 {return n_datoff(ptr) + ptr->a_data;}
177 static unsigned int n_dreloff(ptr)
179 {return n_treloff(ptr) + ptr->a_trsize;}
181 static unsigned int n_symoff(ptr)
183 {return n_dreloff(ptr) + ptr->a_drsize;}
185 static unsigned int n_stroff(ptr)
187 {return n_symoff(ptr) + ptr->a_syms;}
190 unsigned int n_badmag(ptr)
193 switch (N_MAGIC(*ptr)) {
194 case OMAGIC: case NMAGIC: case ZMAGIC: return 0;
200 sunos4_object_p (abfd)
203 unsigned char magicbuf[4]; /* Raw bytes of magic number from file */
204 unsigned long magic; /* Swapped magic number */
205 unsigned char exec_bytes[EXEC_BYTES_SIZE]; /* Raw bytes of exec hdr */
209 bfd_error = system_call_error;
211 if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) !=
214 magic = bfd_h_getlong (abfd, magicbuf);
216 /* Baroque syntax to mask deficiencies of the Sun compiler */
217 /* if (N_BADMAG (*((struct exec *) &magic))) return 0; */
218 if (n_badmag ((struct exec *) &magic)) return 0;
220 if (bfd_seek (abfd, 0L, false) < 0) return 0;
222 if (bfd_read ((PTR) exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
223 != EXEC_BYTES_SIZE) {
224 bfd_error = wrong_format;
228 /* Use an intermediate variable for clarity */
229 rawptr = (PTR) zalloc (sizeof (struct sunexdata) + sizeof (struct exec));
231 if (rawptr == NULL) {
232 bfd_error = no_memory;
236 set_tdata (abfd, ((struct sunexdata *) rawptr));
237 exec_hdr (abfd) = execp =
238 (struct exec *) ((char *)rawptr + sizeof (struct sunexdata));
240 bfd_aout_swap_exec_header_in (abfd, exec_bytes, execp);
242 /* Set the file flags */
243 abfd->flags = NO_FLAGS;
244 if (execp->a_drsize || execp->a_trsize)
245 abfd->flags |= HAS_RELOC;
247 abfd->flags |= EXEC_P;
249 abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
252 if (N_MAGIC (*execp) == ZMAGIC) abfd->flags |= D_PAGED;
253 if (N_MAGIC (*execp) == NMAGIC) abfd->flags |= WP_TEXT;
255 /* Determine the architecture and machine type of the object file. */
256 abfd->obj_arch = bfd_arch_unknown; /* Default values */
257 abfd->obj_machine = 0;
258 switch (N_MACHTYPE (*execp)) {
264 abfd->obj_arch = bfd_arch_m68k;
265 abfd->obj_machine = 68010;
269 abfd->obj_arch = bfd_arch_m68k;
270 abfd->obj_machine = 68020;
274 abfd->obj_arch = bfd_arch_sparc;
278 abfd->obj_arch = bfd_arch_i386;
282 abfd->obj_arch = bfd_arch_a29k;
286 abfd->obj_arch = bfd_arch_obscure;
290 bfd_get_start_address (abfd) = execp->a_entry;
292 /* Remember the positions of the string table and symbol table. */
293 obj_str_filepos (abfd) = n_stroff (execp);
294 obj_sym_filepos (abfd) = n_symoff (execp);
296 /* create the sections. This is raunchy, but bfd_close wants to reclaim
298 obj_textsec (abfd) = (asection *)NULL;
299 obj_datasec (abfd) = (asection *)NULL;
300 obj_bsssec (abfd) = (asection *)NULL;
301 obj_aout_symbols(abfd) = (aout_symbol_type *)NULL;
302 (void)bfd_make_section(abfd, ".text");
303 (void)bfd_make_section(abfd, ".data");
304 (void)bfd_make_section(abfd, ".bss");
306 obj_datasec (abfd)->size = execp->a_data;
307 obj_bsssec (abfd)->size = execp->a_bss;
308 obj_textsec (abfd)->size = execp->a_text;
309 obj_datasec (abfd)->vma = N_DATADDR(*execp);
310 obj_bsssec (abfd)->vma = N_BSSADDR(*execp);
311 obj_textsec (abfd)->vma = N_TXTADDR(*execp);
313 obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
314 obj_datasec (abfd)->filepos = N_DATOFF(*execp);
316 obj_textsec (abfd)->rel_filepos = N_TROFF(*execp);
317 obj_datasec (abfd)->rel_filepos = N_DROFF(*execp);
319 obj_textsec (abfd)->flags = (execp->a_trsize != 0 ?
320 (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) :
321 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS));
322 obj_datasec (abfd)->flags = (execp->a_drsize != 0 ?
323 (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) :
324 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS));
325 obj_bsssec (abfd)->flags = SEC_ALLOC;
327 abfd->sections = obj_textsec (abfd);
328 obj_textsec (abfd)->next = obj_datasec (abfd);
329 obj_datasec (abfd)->next = obj_bsssec (abfd);
335 sunos4_mkobject (abfd)
340 bfd_error = system_call_error;
342 /* Use an intermediate variable for clarity */
343 rawptr = zalloc (sizeof (struct sunexdata) + sizeof (struct exec));
345 if (rawptr == NULL) {
346 bfd_error = no_memory;
350 abfd->tdata = (PTR)((struct sunexdata *) rawptr);
351 exec_hdr (abfd) = (struct exec *) (rawptr + sizeof (struct sunexdata));
353 /* For simplicity's sake we just make all the sections right here. */
355 obj_textsec (abfd) = (asection *)NULL;
356 obj_datasec (abfd) = (asection *)NULL;
357 obj_bsssec (abfd) = (asection *)NULL;
358 bfd_make_section (abfd, ".text");
359 bfd_make_section (abfd, ".data");
360 bfd_make_section (abfd, ".bss");
365 /* Keep track of machine architecture and machine type for a.out's.
366 Return the machine_type for a particular arch&machine, or M_UNKNOWN
367 if that exact arch&machine can't be represented in a.out format.
369 If the architecture is understood, machine type 0 (default) should
370 always be understood. */
372 static enum machine_type
373 aout_machine_type (arch, machine)
374 enum bfd_architecture arch;
375 unsigned long machine;
377 enum machine_type arch_flags;
379 arch_flags = M_UNKNOWN;
383 if (machine == 0) arch_flags = M_SPARC;
388 case 0: arch_flags = M_UNKNOWN; break;
389 case 68000: arch_flags = M_UNKNOWN; break;
390 case 68010: arch_flags = M_68010; break;
391 case 68020: arch_flags = M_68020; break;
392 default: arch_flags = M_UNKNOWN; break;
397 if (machine == 0) arch_flags = M_386;
401 if (machine == 0) arch_flags = M_29K;
405 arch_flags = M_UNKNOWN;
412 sunos4_set_arch_mach (abfd, arch, machine)
414 enum bfd_architecture arch;
415 unsigned long machine;
417 abfd->obj_arch = arch;
418 abfd->obj_machine = machine;
419 if (arch != bfd_arch_unknown &&
420 aout_machine_type (arch, machine) == M_UNKNOWN)
421 return false; /* We can't represent this type */
422 return true; /* We're easy ... */
426 sunos4_write_object_contents (abfd)
430 unsigned char exec_bytes[EXEC_BYTES_SIZE];
431 struct exec *execp = exec_hdr (abfd);
433 execp->a_text = obj_textsec (abfd)->size;
435 /* Magic number, maestro, please! */
436 switch (bfd_get_architecture(abfd)) {
438 switch (bfd_get_machine(abfd)) {
440 N_SET_MACHTYPE(*execp, M_68010);
444 N_SET_MACHTYPE(*execp, M_68020);
449 N_SET_MACHTYPE(*execp, M_SPARC);
452 N_SET_MACHTYPE(*execp, M_386);
455 N_SET_MACHTYPE(*execp, M_29K);
458 N_SET_MACHTYPE(*execp, M_UNKNOWN);
461 N_SET_MAGIC (*execp, OMAGIC);
462 if (abfd->flags & D_PAGED) {
463 execp->a_text = obj_textsec (abfd)->size + sizeof(struct exec);
464 N_SET_MAGIC (*execp, ZMAGIC);
465 } else if (abfd->flags & WP_TEXT) {
466 N_SET_MAGIC (*execp, NMAGIC);
468 N_SET_FLAGS (*execp, 0x1); /* copied from ld.c; who the hell knows? */
470 if (abfd->flags & D_PAGED)
472 data_pad = ((obj_datasec(abfd)->size + PAGE_SIZE -1)
473 & (- PAGE_SIZE)) - obj_datasec(abfd)->size;
475 if (data_pad > obj_bsssec(abfd)->size)
478 execp->a_bss = obj_bsssec(abfd)->size - data_pad;
479 execp->a_data = obj_datasec(abfd)->size + data_pad;
483 execp->a_data = obj_datasec (abfd)->size;
484 execp->a_bss = obj_bsssec (abfd)->size;
487 execp->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
488 execp->a_entry = bfd_get_start_address (abfd);
490 execp->a_trsize = ((obj_textsec (abfd)->reloc_count) *
491 reloc_size_func(abfd));
493 execp->a_drsize = ((obj_datasec (abfd)->reloc_count) *
494 reloc_size_func(abfd));
496 bfd_aout_swap_exec_header_out (abfd, execp, exec_bytes);
498 bfd_seek (abfd, 0L, false);
499 bfd_write ((PTR) exec_bytes, 1, EXEC_BYTES_SIZE, abfd);
501 /* Now write out reloc info, followed by syms and strings */
503 if (bfd_get_symcount (abfd) != 0)
506 (long)(N_SYMOFF(*execp)), false);
508 sunos4_write_syms (abfd);
510 bfd_seek (abfd, (long)(N_TROFF(*execp)), false);
512 if (!sunos4_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
513 bfd_seek (abfd, (long)(N_DROFF(*execp)), false);
515 if (!sunos4_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
523 #define CORE_MAGIC 0x080456
524 #define CORE_NAMELEN 16
526 /* The core structure is taken from the Sun documentation.
527 Unfortunately, they don't document the FPA structure, or at least I
528 can't find it easily. Fortunately the core header contains its own
529 length. So this shouldn't cause problems, except for c_ucode, which
530 so far we don't use but is easy to find with a little arithmetic. */
532 /* But the reg structure can be gotten from the SPARC processor handbook.
533 This really should be in a GNU include file though so that gdb can use
557 /* Taken from Sun documentation: */
559 /* FIXME: It's worse than we expect. This struct contains TWO substructs
560 neither of whose size we know, WITH STUFF IN BETWEEN THEM! We can't
561 even portably access the stuff in between! */
564 int c_magic; /* Corefile magic number */
565 int c_len; /* Sizeof (struct core) */
566 struct regs c_regs; /* General purpose registers */
567 struct exec c_aouthdr; /* A.out header */
568 int c_signo; /* Killing signal, if any */
569 int c_tsize; /* Text size (bytes) */
570 int c_dsize; /* Data size (bytes) */
571 int c_ssize; /* Stack size (bytes) */
572 char c_cmdname[CORE_NAMELEN + 1]; /* Command name */
573 double fp_stuff[1]; /* external FPU state (size unknown by us) */
574 /* The type "double" is critical here, for alignment.
575 SunOS declares a struct here, but the struct's alignment
576 is double since it contains doubles. */
577 int c_ucode; /* Exception no. from u_code */
578 /* (this member is not accessible by name since we don't
579 portably know the size of fp_stuff.) */
582 /* Supposedly the user stack grows downward from the bottom of kernel memory.
583 Presuming that this remains true, this definition will work. */
584 #define USRSTACK (-(128*1024*1024))
586 PROTO (static void, swapcore, (bfd *abfd, struct core *core));
588 /* need this cast b/c ptr is really void * */
589 #define core_hdr(bfd) (((struct suncordata *) (bfd->tdata))->hdr)
590 #define core_datasec(bfd) (((struct suncordata *) ((bfd)->tdata))->data_section)
591 #define core_stacksec(bfd) (((struct suncordata*)((bfd)->tdata))->stack_section)
592 #define core_regsec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg_section)
593 #define core_reg2sec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg2_section)
595 /* These are stored in the bfd's tdata */
597 struct core *hdr; /* core file header */
598 asection *data_section;
599 asection *stack_section;
600 asection *reg_section;
601 asection *reg2_section;
605 sunos4_core_file_p (abfd)
608 unsigned char longbuf[4]; /* Raw bytes of various header fields */
614 bfd_error = system_call_error;
616 if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) !=
619 core_mag = bfd_h_getlong (abfd, longbuf);
621 if (core_mag != CORE_MAGIC) return 0;
623 /* SunOS core headers can vary in length; second word is size; */
624 if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) !=
627 core_size = bfd_h_getlong (abfd, longbuf);
629 if (core_size > 20000)
632 if (bfd_seek (abfd, 0L, false) < 0) return 0;
634 rawptr = zalloc (core_size + sizeof (struct suncordata));
635 if (rawptr == NULL) {
636 bfd_error = no_memory;
640 core = (struct core *) (rawptr + sizeof (struct suncordata));
642 if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size) {
643 bfd_error = system_call_error;
648 swapcore (abfd, core);
649 set_tdata (abfd, ((struct suncordata *) rawptr));
650 core_hdr (abfd) = core;
652 /* create the sections. This is raunchy, but bfd_close wants to reclaim
654 core_stacksec (abfd) = (asection *) zalloc (sizeof (asection));
655 if (core_stacksec (abfd) == NULL) {
657 bfd_error = no_memory;
661 core_datasec (abfd) = (asection *) zalloc (sizeof (asection));
662 if (core_datasec (abfd) == NULL) {
664 free ((PTR)core_stacksec (abfd));
667 core_regsec (abfd) = (asection *) zalloc (sizeof (asection));
668 if (core_regsec (abfd) == NULL) {
670 free ((PTR)core_datasec (abfd));
673 core_reg2sec (abfd) = (asection *) zalloc (sizeof (asection));
674 if (core_reg2sec (abfd) == NULL) {
675 free ((PTR)core_regsec (abfd));
679 core_stacksec (abfd)->name = ".stack";
680 core_datasec (abfd)->name = ".data";
681 core_regsec (abfd)->name = ".reg";
682 core_reg2sec (abfd)->name = ".reg2";
684 core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
685 core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
686 core_regsec (abfd)->flags = SEC_ALLOC;
687 core_reg2sec (abfd)->flags = SEC_ALLOC;
689 core_stacksec (abfd)->size = core->c_ssize;
690 core_datasec (abfd)->size = core->c_dsize;
691 core_regsec (abfd)->size = (sizeof core->c_regs);
692 /* Float regs take up end of struct, except c_ucode. */
693 core_reg2sec (abfd)->size = core_size - (sizeof core->c_ucode) -
694 (file_ptr)(((struct core *)0)->fp_stuff);
696 core_stacksec (abfd)->vma = (USRSTACK - core->c_ssize);
697 core_datasec (abfd)->vma = N_DATADDR(core->c_aouthdr);
698 core_regsec (abfd)->vma = -1;
699 core_reg2sec (abfd)->vma = -1;
701 core_stacksec (abfd)->filepos = core->c_len + core->c_dsize;
702 core_datasec (abfd)->filepos = core->c_len;
703 /* In file header: */
704 core_regsec (abfd)->filepos = (file_ptr)(&((struct core *)0)->c_regs);
705 core_reg2sec (abfd)->filepos = (file_ptr)(((struct core *)0)->fp_stuff);
707 /* Align to word at least */
708 core_stacksec (abfd)->alignment_power = 2;
709 core_datasec (abfd)->alignment_power = 2;
710 core_regsec (abfd)->alignment_power = 2;
711 core_reg2sec (abfd)->alignment_power = 2;
713 abfd->sections = core_stacksec (abfd);
714 core_stacksec (abfd)->next = core_datasec (abfd);
715 core_datasec (abfd)->next = core_regsec (abfd);
716 core_regsec (abfd)->next = core_reg2sec (abfd);
718 abfd->section_count = 4;
724 sunos4_core_file_failing_command (abfd)
727 return core_hdr (abfd)->c_cmdname;
731 sunos4_core_file_failing_signal (abfd)
734 return core_hdr (abfd)->c_signo;
738 sunos4_core_file_matches_executable_p (core_bfd, exec_bfd)
739 bfd *core_bfd, *exec_bfd;
741 if (core_bfd->xvec != exec_bfd->xvec) {
742 bfd_error = system_call_error;
746 return (bcmp ((char *)&core_hdr (core_bfd), (char*) &exec_hdr (exec_bfd),
747 sizeof (struct exec)) == 0) ? true : false;
750 /* byte-swap core structure */
751 /* FIXME, this needs more work to swap IN a core struct from raw bytes */
753 swapcore (abfd, core)
757 unsigned char exec_bytes[EXEC_BYTES_SIZE];
759 core->c_magic = bfd_h_getlong (abfd, (unsigned char *)&core->c_magic);
760 core->c_len = bfd_h_getlong (abfd, (unsigned char *)&core->c_len );
761 /* Leave integer registers in target byte order. */
762 bcopy ((char *)&(core->c_aouthdr), (char *)exec_bytes, EXEC_BYTES_SIZE);
763 bfd_aout_swap_exec_header_in (abfd, exec_bytes, &core->c_aouthdr);
764 core->c_signo = bfd_h_getlong (abfd, (unsigned char *)&core->c_signo);
765 core->c_tsize = bfd_h_getlong (abfd, (unsigned char *)&core->c_tsize);
766 core->c_dsize = bfd_h_getlong (abfd, (unsigned char *)&core->c_dsize);
767 core->c_ssize = bfd_h_getlong (abfd, (unsigned char *)&core->c_ssize);
768 /* Leave FP registers in target byte order. */
769 /* Leave "c_ucode" unswapped for now, since we can't find it easily. */
772 /** exec and core file sections */
775 sunos4_new_section_hook (abfd, newsect)
779 /* align to double at least */
780 newsect->alignment_power = 3;
782 if (bfd_get_format (abfd) == bfd_object) {
783 if (obj_textsec(abfd) == NULL && !strcmp(newsect->name, ".text")) {
784 obj_textsec(abfd)= newsect;
788 if (obj_datasec(abfd) == NULL && !strcmp(newsect->name, ".data")) {
789 obj_datasec(abfd) = newsect;
793 if (obj_bsssec(abfd) == NULL && !strcmp(newsect->name, ".bss")) {
794 obj_bsssec(abfd) = newsect;
799 /* We allow more than three sections internally */
804 sunos4_set_section_contents (abfd, section, location, offset, count)
807 unsigned char *location;
811 if (abfd->output_has_begun == false)
812 { /* set by bfd.c handler */
813 if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL)
816 (obj_textsec (abfd)->size == 0) || (obj_datasec (abfd)->size=
820 bfd_error = invalid_operation;
826 if (abfd->flags & D_PAGED)
828 obj_textsec (abfd)->filepos = sizeof(struct exec);
829 obj_datasec(abfd)->filepos = obj_textsec (abfd)->size;
834 obj_textsec (abfd)->filepos = sizeof(struct exec);
835 obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos + obj_textsec (abfd)->size;
839 /* regardless, once we know what we're doing, we might as well get going */
840 if (section != obj_bsssec(abfd)) {
841 bfd_seek (abfd, section->filepos + offset, SEEK_SET);
844 return (bfd_write ((PTR)location, 1, count, abfd) == count) ?
852 sunos4_get_section_contents (abfd, section, location, offset, count)
860 if (offset >= section->size) return false;
862 bfd_seek (abfd, section->filepos + offset, SEEK_SET);
864 return (bfd_read (location, 1, count, abfd) == count) ? true:false;
870 /* Classify stabs symbols */
873 #define sym_in_text_section(sym) \
874 (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_TEXT)
876 #define sym_in_data_section(sym) \
877 (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_DATA)
879 #define sym_in_bss_section(sym) \
880 (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_BSS)
882 /* Symbol is undefined if type is N_UNDF|N_EXT and if it has
883 zero in the "value" field. Nonzeroes there are fortrancommon
885 #define sym_is_undefined(sym) \
886 ((sym)->n_type == (N_UNDF | N_EXT) && (sym)->n_value == 0)
888 /* Symbol is a global definition if N_EXT is on and if it has
889 a nonzero type field. */
890 #define sym_is_global_defn(sym) \
891 (((sym)->n_type & N_EXT) && (sym)->n_type & N_TYPE)
893 /* Symbol is debugger info if any bits outside N_TYPE or N_EXT
895 #define sym_is_debugger_info(sym) \
896 ((sym)->n_type & ~(N_EXT | N_TYPE))
898 #define sym_is_fortrancommon(sym) \
899 (((sym)->n_type == (N_EXT)) && (sym)->n_value != 0)
901 /* Symbol is absolute if it has N_ABS set */
902 #define sym_is_absolute(sym) \
903 (((sym)->n_type & N_TYPE)== N_ABS)
906 #define sym_is_indirect(sym) \
907 (((sym)->n_type & N_ABS)== N_ABS)
909 /* Only in their own functions for ease of debugging; when sym flags have
910 stabilised these should be inlined into their (single) caller */
913 translate_from_native_sym_flags (sym_pointer, cache_ptr, abfd)
914 struct nlist *sym_pointer;
915 aout_symbol_type *cache_ptr;
918 switch (cache_ptr->type & N_TYPE) {
924 asection *section = bfd_make_section(abfd,
925 cache_ptr->symbol.name);
926 arelent_chain *reloc = (arelent_chain *)malloc(sizeof(arelent_chain));
928 switch ( (cache_ptr->type & N_TYPE) ) {
930 reloc->relent.section = (asection *)NULL;
931 cache_ptr->symbol.section = (asection *)NULL;
934 reloc->relent.section = (asection *)obj_textsec(abfd);
935 cache_ptr->symbol.value -= reloc->relent.section->vma;
938 reloc->relent.section = (asection *)obj_datasec(abfd);
939 cache_ptr->symbol.value -= reloc->relent.section->vma;
942 reloc->relent.section = (asection *)obj_bsssec(abfd);
943 cache_ptr->symbol.value -= reloc->relent.section->vma;
946 cache_ptr->symbol.section = reloc->relent.section;
947 reloc->relent.addend = cache_ptr->symbol.value ;
949 We modify the symbol to belong to a section depending upon the
950 name of the symbol - probably __CTOR__ or __DTOR__ but we don't
951 really care, and add to the size of the section to contain a
952 pointer to the symbol. Build a reloc entry to relocate to this
953 symbol attached to this section.
957 section->flags = SEC_CONSTRUCTOR;
958 section->reloc_count++;
959 section->alignment_power = 2;
960 reloc->relent.sym_ptr_ptr = (asymbol **)NULL;
961 reloc->next = section->constructor_chain;
962 section->constructor_chain = reloc;
963 reloc->relent.address = section->size;
964 section->size += sizeof(int *);
966 reloc->relent.howto = howto_table_ext +CTOR_TABLE_RELOC_IDX;
967 cache_ptr->symbol.flags |= BSF_DEBUGGING ;
972 if (sym_is_debugger_info (sym_pointer)) {
973 cache_ptr->symbol.flags = BSF_DEBUGGING ;
974 /* Work out the section correct for this symbol */
975 switch (sym_pointer->n_type & N_TYPE)
979 cache_ptr->symbol.section = obj_textsec (abfd);
980 cache_ptr->symbol.value -= obj_textsec(abfd)->vma;
983 cache_ptr->symbol.value -= obj_datasec(abfd)->vma;
984 cache_ptr->symbol.section = obj_datasec (abfd);
987 cache_ptr->symbol.section = obj_bsssec (abfd);
988 cache_ptr->symbol.value -= obj_bsssec(abfd)->vma;
992 cache_ptr->symbol.section = 0;
997 if (sym_is_fortrancommon (sym_pointer))
999 cache_ptr->symbol.flags = BSF_FORT_COMM;
1000 cache_ptr->symbol.section = (asection *)NULL;
1003 if (sym_is_undefined (sym_pointer)) {
1004 cache_ptr->symbol.flags = BSF_UNDEFINED;
1006 else if (sym_is_global_defn (sym_pointer)) {
1007 cache_ptr->symbol.flags = BSF_GLOBAL | BSF_EXPORT;
1010 else if (sym_is_absolute (sym_pointer)) {
1011 cache_ptr->symbol.flags = BSF_ABSOLUTE;
1014 cache_ptr->symbol.flags = BSF_LOCAL;
1017 /* In a.out, the value of a symbol is always relative to the
1018 * start of the file, if this is a data symbol we'll subtract
1019 * the size of the text section to get the section relative
1020 * value. If this is a bss symbol (which would be strange)
1021 * we'll subtract the size of the previous two sections
1022 * to find the section relative address.
1025 if (sym_in_text_section (sym_pointer)) {
1026 cache_ptr->symbol.value -= obj_textsec(abfd)->vma;
1027 cache_ptr->symbol.section = obj_textsec (abfd);
1029 else if (sym_in_data_section (sym_pointer)){
1030 cache_ptr->symbol.value -= obj_datasec(abfd)->vma;
1031 cache_ptr->symbol.section = obj_datasec (abfd);
1033 else if (sym_in_bss_section(sym_pointer)) {
1034 cache_ptr->symbol.section = obj_bsssec (abfd);
1035 cache_ptr->symbol.value -= obj_bsssec(abfd)->vma;
1038 cache_ptr->symbol.section = (asection *)NULL;
1039 cache_ptr->symbol.flags |= BSF_ABSOLUTE;
1047 translate_to_native_sym_flags (sym_pointer, cache_ptr_g, abfd)
1048 struct nlist *sym_pointer;
1052 asymbol *cache_ptr = (asymbol *)cache_ptr_g;
1054 /* FIXME check for wrigin bss */
1055 if (bfd_get_section(cache_ptr)) {
1056 if (bfd_get_output_section(cache_ptr) == obj_bsssec (abfd)) {
1057 sym_pointer->n_type |= N_BSS;
1059 else if (bfd_get_output_section(cache_ptr) == obj_datasec (abfd)) {
1060 sym_pointer->n_type |= N_DATA;
1062 else if (bfd_get_output_section(cache_ptr) == obj_textsec (abfd)) {
1063 sym_pointer->n_type |= N_TEXT;
1067 bfd_error_vector.nonrepresentable_section(abfd, bfd_get_output_section(cache_ptr)->name);
1070 /* Turn the symbol from section relative to absolute again */
1071 sym_pointer->n_value +=
1072 cache_ptr->section->output_section->vma
1073 + cache_ptr->section->output_offset ;
1076 sym_pointer->n_type |= N_ABS;
1079 if (cache_ptr->flags & (BSF_FORT_COMM | BSF_UNDEFINED)) {
1080 sym_pointer->n_type = (N_UNDF | N_EXT);
1084 if (cache_ptr->flags & BSF_ABSOLUTE) {
1085 sym_pointer->n_type |= N_ABS;
1088 if (cache_ptr->flags & (BSF_GLOBAL | BSF_EXPORT)) {
1089 sym_pointer->n_type |= N_EXT;
1091 if (cache_ptr->flags & BSF_DEBUGGING) {
1092 sym_pointer->n_type = ((aout_symbol_type *)cache_ptr)->type;
1097 /* Native-level interface to symbols. */
1099 /* We read the symbols into a buffer, which is discarded when this
1100 function exits. We read the strings into a buffer large enough to
1101 hold them all plus all the cached symbol entries. */
1104 sunos4_make_empty_symbol (abfd)
1107 aout_symbol_type *new =
1108 (aout_symbol_type *)zalloc (sizeof (aout_symbol_type));
1109 new->symbol.the_bfd = abfd;
1111 return &new->symbol;
1115 DEFUN(sunos4_slurp_symbol_table, (abfd),
1118 unsigned int symbol_count;
1123 aout_symbol_type *cached;
1125 /* If there's no work to be done, don't do any */
1126 if (obj_aout_symbols (abfd) != (aout_symbol_type *)NULL) return true;
1127 symbol_size = exec_hdr(abfd)->a_syms;
1128 if (symbol_size == 0) {
1129 bfd_error = no_symbols;
1133 bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET);
1134 if (bfd_read ((PTR)&string_size, 4, 1, abfd) != 4)
1136 string_size = bfd_h_getlong (abfd, (unsigned char *)&string_size);
1138 symbol_count = symbol_size / sizeof (struct nlist);
1140 /* Malloc (should alloca) space for native symbols, and
1141 malloc space for string table and symbol cache. */
1143 syms = (struct nlist *) zalloc (symbol_size);
1145 bfd_error = no_memory;
1149 cached = (aout_symbol_type *) zalloc ((size_t)(string_size + 1 +
1150 (symbol_count * sizeof (aout_symbol_type))));
1151 if (cached == NULL) {
1152 bfd_error = no_memory;
1157 strings = ((char *) cached) + (symbol_count * sizeof (aout_symbol_type));
1159 bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET);
1160 if (bfd_read ((PTR)syms, 1, symbol_size, abfd) != symbol_size) {
1167 bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET);
1168 if (bfd_read ((PTR)strings, 1, string_size, abfd) != string_size) {
1172 /* OK, now walk the new symtable, cacheing symbol properties */
1174 register struct nlist *sym_pointer;
1175 register struct nlist *sym_end = syms + symbol_count;
1176 register aout_symbol_type *cache_ptr = cached;
1178 /* run through the table and byte swap if needed */
1179 for (sym_pointer = syms; sym_pointer < sym_end; sym_pointer++) {
1180 sym_pointer->n_un.n_strx =
1181 bfd_h_get_x (abfd, &sym_pointer->n_un.n_strx);
1182 sym_pointer->n_desc =
1183 bfd_h_get_x (abfd, &sym_pointer->n_desc);
1184 sym_pointer->n_value =
1185 bfd_h_get_x (abfd, &sym_pointer->n_value);
1186 sym_pointer->n_other = (char)
1187 bfd_h_get_x(abfd, &sym_pointer->n_other);
1188 sym_pointer->n_type = (char)
1189 bfd_h_get_x(abfd, &sym_pointer->n_type);
1193 /* Run through table and copy values */
1194 for (sym_pointer = syms, cache_ptr = cached;
1195 sym_pointer < sym_end; sym_pointer++, cache_ptr++)
1197 cache_ptr->symbol.the_bfd = abfd;
1198 if (sym_pointer->n_un.n_strx)
1199 cache_ptr->symbol.name = sym_pointer->n_un.n_strx + strings;
1201 cache_ptr->symbol.name = (char *)NULL;
1202 cache_ptr->symbol.value = sym_pointer->n_value;
1203 cache_ptr->desc = sym_pointer->n_desc;
1204 cache_ptr->other = sym_pointer->n_other;
1205 cache_ptr->type = sym_pointer->n_type;
1206 cache_ptr->symbol.udata = 0;
1207 translate_from_native_sym_flags (sym_pointer, cache_ptr, abfd);
1212 obj_aout_symbols (abfd) = cached;
1213 bfd_get_symcount (abfd) = symbol_count;
1221 DEFUN(sunos4_write_syms,(abfd),
1224 unsigned int count ;
1225 asymbol **generic = bfd_get_outsymbols (abfd);
1227 unsigned int stindex = sizeof(stindex); /* initial string length */
1229 for (count = 0; count < bfd_get_symcount (abfd); count++) {
1230 asymbol *g = generic[count];
1234 unsigned int length = strlen(g->name) +1;
1235 bfd_h_putlong (abfd, stindex, (unsigned char *)&nsp.n_un.n_strx);
1239 bfd_h_putlong (abfd, 0, (unsigned char *)&nsp.n_un.n_strx);
1242 if (g->the_bfd->xvec->flavour == abfd->xvec->flavour)
1244 nsp.n_desc = aout_symbol( g)->desc;
1245 nsp.n_other = aout_symbol(g)->other;
1246 nsp.n_type = aout_symbol(g)->type;
1256 nsp.n_value = g->value;
1257 translate_to_native_sym_flags (&nsp, (PTR)g, abfd);
1260 bfd_h_putshort (abfd, nsp.n_desc, (unsigned char *)&nsp.n_desc);
1261 bfd_h_putlong (abfd, nsp.n_value, (unsigned char *)&nsp.n_value);
1262 bfd_write((PTR)&nsp,1, sizeof(nsp), abfd);
1266 /* Now output the strings. Be sure to put string length into correct
1267 * byte ordering before writing it.
1269 bfd_h_putlong (abfd, stindex, (unsigned char *)&stindex);
1271 bfd_write((PTR)&stindex, 1, sizeof(stindex), abfd);
1273 generic = bfd_get_outsymbols(abfd);
1274 for (count = 0; count < bfd_get_symcount(abfd); count++)
1276 asymbol *g = *(generic++);
1278 if (g->name != (char *)NULL)
1280 size_t length = strlen(g->name)+1;
1281 bfd_write((PTR)g->name, 1, length, abfd);
1283 if ((g->flags & BSF_FAKE)==0) {
1284 g->name = itos(count); /* smash the generic symbol */
1291 DEFUN(sunos4_reclaim_symbol_table,(abfd),
1296 if (!bfd_get_symcount (abfd)) return;
1298 for (section = abfd->sections;
1299 section != (asection *) NULL;
1300 section = section->next)
1301 if (section->relocation) {
1302 free ((PTR)section->relocation);
1303 section->relocation = NULL;
1304 section->reloc_count = 0;
1307 bfd_get_symcount (abfd) = 0;
1308 free ((PTR)obj_aout_symbols (abfd));
1309 obj_aout_symbols (abfd) = (aout_symbol_type *)NULL;
1313 sunos4_get_symtab_upper_bound (abfd)
1316 if (!sunos4_slurp_symbol_table (abfd)) return 0;
1318 return (bfd_get_symcount (abfd)+1) * (sizeof (aout_symbol_type *));
1322 sunos4_get_symtab (abfd, location)
1326 unsigned int counter = 0;
1327 aout_symbol_type *symbase;
1329 if (!sunos4_slurp_symbol_table (abfd)) return 0;
1331 for (symbase = obj_aout_symbols(abfd); counter++ < bfd_get_symcount (abfd);)
1332 *(location++) = (asymbol *)( symbase++);
1334 return bfd_get_symcount(abfd);
1338 /* Obsolete procedural interface; better to look at the cache directly */
1340 /* User should have checked the file flags; perhaps we should return
1341 BFD_NO_MORE_SYMBOLS if there are none? */
1344 sunos4_get_symcount_upper_bound (abfd)
1347 /* In case we're doing an output file or something...? */
1348 if (bfd_get_symcount (abfd)) return bfd_get_symcount (abfd);
1350 return (exec_hdr (abfd)->a_syms) / (sizeof (struct nlist));
1354 sunos4_get_first_symbol (ignore_abfd)
1361 sunos4_get_next_symbol (abfd, oidx)
1365 if (oidx == BFD_NO_MORE_SYMBOLS) return BFD_NO_MORE_SYMBOLS;
1366 return ++oidx >= bfd_get_symcount (abfd) ? BFD_NO_MORE_SYMBOLS : oidx;
1370 sunos4_symbol_name (abfd, idx)
1374 return (obj_aout_symbols (abfd) + idx)->symbol.name;
1378 sunos4_symbol_value (abfd, idx)
1382 return (obj_aout_symbols (abfd) + idx)->symbol.value;
1386 sunos4_classify_symbol (abfd, idx)
1390 aout_symbol_type *sym = obj_aout_symbols (abfd) + idx;
1392 if ((sym->symbol.flags & BSF_FORT_COMM) != 0) return bfd_symclass_fcommon;
1393 if ((sym->symbol.flags & BSF_GLOBAL) != 0) return bfd_symclass_global;
1394 if ((sym->symbol.flags & BSF_DEBUGGING) != 0) return bfd_symclass_debugger;
1395 if ((sym->symbol.flags & BSF_UNDEFINED) != 0) return bfd_symclass_undefined;
1397 return bfd_symclass_unknown;
1401 sunos4_symbol_hasclass (abfd, idx, class)
1406 aout_symbol_type *sym = obj_aout_symbols (abfd) + idx;
1408 case bfd_symclass_fcommon:
1409 return (sym->symbol.flags & BSF_FORT_COMM) ? true :false;
1410 case bfd_symclass_global:
1411 return (sym->symbol.flags & BSF_GLOBAL) ? true:false;
1412 case bfd_symclass_debugger:
1413 return (sym->symbol.flags & BSF_DEBUGGING) ? true:false;;
1414 case bfd_symclass_undefined:
1415 return (sym->symbol.flags & BSF_UNDEFINED) ? true:false;;
1416 default: return false;
1420 /* Standard reloc stuff */
1421 /* Output standard relocation information to a file in target byte order. */
1424 swap_std_reloc_out (abfd, p, natptr, count)
1426 arelent **p; /* Generic relocation struct */
1427 struct reloc_std_bytes *natptr;
1432 unsigned int r_length;
1434 int r_baserel, r_jmptable, r_relative;
1435 unsigned int r_addend;
1437 for (idx = 0; idx < count; idx++, p++, natptr++)
1440 bfd_h_putlong (abfd, g->address, natptr->r_address);
1442 r_length = g->howto->size; /* Size as a power of two */
1443 r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
1444 /* r_baserel, r_jmptable, r_relative??? FIXME-soon */
1449 r_addend = g->addend; /* Start here, see how it goes */
1451 /* name was clobbered by sunos4_write_syms to be symbol index */
1453 if (g->sym_ptr_ptr != NULL)
1455 if ((*(g->sym_ptr_ptr))->section) {
1456 /* put the section offset into the addend for output */
1457 r_addend += (*(g->sym_ptr_ptr))->section->vma;
1460 r_index = stoi((*(g->sym_ptr_ptr))->name);
1465 if (g->section == NULL) {
1467 r_index = N_ABS | N_EXT;
1469 else if(g->section->output_section == obj_textsec(abfd)) {
1470 r_index = N_TEXT | N_EXT;
1471 r_addend += g->section->output_section->vma;
1473 else if (g->section->output_section == obj_datasec(abfd)) {
1474 r_index = N_DATA | N_EXT;
1475 r_addend += g->section->output_section->vma;
1477 else if (g->section->output_section == obj_bsssec(abfd)) {
1478 r_index = N_BSS | N_EXT ;
1479 r_addend += g->section->output_section->vma;
1486 /* now the fun stuff */
1487 if (abfd->xvec->header_byteorder_big_p != false) {
1488 natptr->r_index[0] = r_index >> 16;
1489 natptr->r_index[1] = r_index >> 8;
1490 natptr->r_index[2] = r_index;
1492 (r_extern? RELOC_STD_BITS_EXTERN_BIG: 0)
1493 | (r_pcrel? RELOC_STD_BITS_PCREL_BIG: 0)
1494 | (r_baserel? RELOC_STD_BITS_BASEREL_BIG: 0)
1495 | (r_jmptable? RELOC_STD_BITS_JMPTABLE_BIG: 0)
1496 | (r_relative? RELOC_STD_BITS_RELATIVE_BIG: 0)
1497 | (r_length << RELOC_STD_BITS_LENGTH_SH_BIG);
1499 natptr->r_index[2] = r_index >> 16;
1500 natptr->r_index[1] = r_index >> 8;
1501 natptr->r_index[0] = r_index;
1503 (r_extern? RELOC_STD_BITS_EXTERN_LITTLE: 0)
1504 | (r_pcrel? RELOC_STD_BITS_PCREL_LITTLE: 0)
1505 | (r_baserel? RELOC_STD_BITS_BASEREL_LITTLE: 0)
1506 | (r_jmptable? RELOC_STD_BITS_JMPTABLE_LITTLE: 0)
1507 | (r_relative? RELOC_STD_BITS_RELATIVE_LITTLE: 0)
1508 | (r_length << RELOC_STD_BITS_LENGTH_SH_LITTLE);
1516 /* Extended stuff */
1517 /* Output extended relocation information to a file in target byte order. */
1520 swap_ext_reloc_out (abfd, p, natptr, count)
1522 arelent **p; /* Generic relocation struct */
1523 register struct reloc_ext_bytes *natptr;
1529 unsigned int r_type;
1530 unsigned int r_addend;
1532 for (idx = 0; idx < count; idx++, p++, natptr++) {
1535 bfd_h_putlong (abfd, g->address, natptr->r_address);
1537 /* Find a type in the output format which matches the input howto -
1538 at the moment we assume input format == output format FIXME!! */
1539 r_type = (enum reloc_type) g->howto->type;
1541 r_addend = g->addend; /* Start here, see how it goes */
1543 /* name was clobbered by sunos4_write_syms to be symbol index*/
1545 if (g->sym_ptr_ptr != NULL)
1547 if ((*(g->sym_ptr_ptr))->section) {
1548 /* put the section offset into the addend for output */
1549 r_addend += (*(g->sym_ptr_ptr))->section->vma;
1552 r_index = stoi((*(g->sym_ptr_ptr))->name);
1557 if (g->section == NULL) {
1559 r_index = N_ABS | N_EXT;
1561 else if(g->section->output_section == obj_textsec(abfd)) {
1562 r_index = N_TEXT | N_EXT;
1563 r_addend += g->section->output_section->vma;
1565 else if (g->section->output_section == obj_datasec(abfd)) {
1566 r_index = N_DATA | N_EXT;
1567 r_addend += g->section->output_section->vma;
1569 else if (g->section->output_section == obj_bsssec(abfd)) {
1570 r_index = N_BSS | N_EXT ;
1571 r_addend += g->section->output_section->vma;
1578 /* now the fun stuff */
1579 if (abfd->xvec->header_byteorder_big_p != false) {
1580 natptr->r_index[0] = r_index >> 16;
1581 natptr->r_index[1] = r_index >> 8;
1582 natptr->r_index[2] = r_index;
1584 (r_extern? RELOC_EXT_BITS_EXTERN_BIG: 0)
1585 || (r_type << RELOC_EXT_BITS_TYPE_SH_BIG);
1587 natptr->r_index[2] = r_index >> 16;
1588 natptr->r_index[1] = r_index >> 8;
1589 natptr->r_index[0] = r_index;
1591 (r_extern? RELOC_EXT_BITS_EXTERN_LITTLE: 0)
1592 || (r_type << RELOC_EXT_BITS_TYPE_SH_LITTLE);
1595 bfd_h_putlong (abfd, r_addend, natptr->r_addend);
1598 #define MOVE_ADDRESS(ad) \
1600 cache_ptr->sym_ptr_ptr = symbols + r_index; \
1601 cache_ptr->section = (asection *)NULL; \
1602 cache_ptr->addend = ad; \
1604 cache_ptr->sym_ptr_ptr = (asymbol **)NULL; \
1605 switch (r_index) { \
1607 case N_TEXT | N_EXT: \
1608 cache_ptr->section = obj_textsec(abfd); \
1609 cache_ptr->addend = ad - su->textsec->vma; \
1612 case N_DATA | N_EXT: \
1613 cache_ptr->section = obj_datasec(abfd); \
1614 cache_ptr->addend = ad - su->datasec->vma; \
1617 case N_BSS | N_EXT: \
1618 cache_ptr->section = obj_bsssec(abfd); \
1619 cache_ptr->addend = ad - su->bsssec->vma; \
1622 case N_ABS | N_EXT: \
1632 swap_ext_reloc_in (abfd, bytes, cache_ptr, symbols)
1634 struct reloc_ext_bytes *bytes;
1640 unsigned int r_type;
1641 struct sunexdata *su = (struct sunexdata *)(abfd->tdata);
1643 cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address);
1645 /* now the fun stuff */
1646 if (abfd->xvec->header_byteorder_big_p != false) {
1647 r_index = (bytes->r_index[0] << 16)
1648 | (bytes->r_index[1] << 8)
1649 | bytes->r_index[2];
1650 r_extern = (0 != (bytes->r_bits[0] & RELOC_EXT_BITS_EXTERN_BIG));
1651 r_type = (bytes->r_bits[0] & RELOC_EXT_BITS_TYPE_BIG)
1652 >> RELOC_EXT_BITS_TYPE_SH_BIG;
1654 r_index = (bytes->r_index[2] << 16)
1655 | (bytes->r_index[1] << 8)
1656 | bytes->r_index[0];
1657 r_extern = (0 != (bytes->r_bits[0] & RELOC_EXT_BITS_EXTERN_LITTLE));
1658 r_type = (bytes->r_bits[0] & RELOC_EXT_BITS_TYPE_LITTLE)
1659 >> RELOC_EXT_BITS_TYPE_SH_LITTLE;
1662 cache_ptr->howto = howto_table_ext + r_type;
1663 MOVE_ADDRESS(bfd_h_getlong(abfd,bytes->r_addend));
1668 swap_std_reloc_in (abfd, bytes, cache_ptr, symbols)
1670 struct reloc_std_bytes *bytes;
1676 unsigned int r_length;
1678 int r_baserel, r_jmptable, r_relative;
1679 struct sunexdata *su = (struct sunexdata *)(abfd->tdata);
1680 cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address);
1682 /* now the fun stuff */
1683 if (abfd->xvec->header_byteorder_big_p != false) {
1684 r_index = (bytes->r_index[0] << 16)
1685 | (bytes->r_index[1] << 8)
1686 | bytes->r_index[2];
1687 r_extern = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_EXTERN_BIG));
1688 r_pcrel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_PCREL_BIG));
1689 r_baserel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_BASEREL_BIG));
1690 r_jmptable= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_JMPTABLE_BIG));
1691 r_relative= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_RELATIVE_BIG));
1692 r_length = (bytes->r_bits[0] & RELOC_STD_BITS_LENGTH_BIG)
1693 >> RELOC_STD_BITS_LENGTH_SH_BIG;
1695 r_index = (bytes->r_index[2] << 16)
1696 | (bytes->r_index[1] << 8)
1697 | bytes->r_index[0];
1698 r_extern = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_EXTERN_LITTLE));
1699 r_pcrel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_PCREL_LITTLE));
1700 r_baserel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_BASEREL_LITTLE));
1701 r_jmptable= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_JMPTABLE_LITTLE));
1702 r_relative= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_RELATIVE_LITTLE));
1703 r_length = (bytes->r_bits[0] & RELOC_STD_BITS_LENGTH_LITTLE)
1704 >> RELOC_STD_BITS_LENGTH_SH_LITTLE;
1707 cache_ptr->howto = howto_table_std + r_length + 4 * r_pcrel;
1708 /* FIXME-soon: Roll baserel, jmptable, relative bits into howto setting */
1716 sunos4_slurp_reloc_table (abfd, asect, symbols)
1724 arelent *reloc_cache;
1727 if (asect->relocation) return true;
1729 if (asect->flags & SEC_CONSTRUCTOR) return true;
1731 if (asect == obj_datasec (abfd)) {
1732 reloc_size = exec_hdr(abfd)->a_drsize;
1736 if (asect == obj_textsec (abfd)) {
1737 reloc_size = exec_hdr(abfd)->a_trsize;
1741 bfd_error = invalid_operation;
1745 bfd_seek (abfd, asect->rel_filepos, SEEK_SET);
1746 each_size = reloc_size_func(abfd);
1748 count = reloc_size / each_size;
1750 relocs = (PTR) malloc (reloc_size);
1752 bfd_error = no_memory;
1755 reloc_cache = (arelent *) zalloc ((size_t)(count * sizeof (arelent)));
1756 if (reloc_cache == (arelent *)NULL) {
1758 bfd_error = no_memory;
1762 if (bfd_read ( relocs, 1, reloc_size, abfd) != reloc_size) {
1763 bfd_error = system_call_error;
1769 if (each_size == RELOC_EXT_SIZE)
1771 register struct reloc_ext_bytes *rptr = (struct reloc_ext_bytes *) relocs;
1772 unsigned int counter = 0;
1773 arelent *cache_ptr = reloc_cache;
1775 for (; counter < count; counter++, rptr++, cache_ptr++) {
1776 swap_ext_reloc_in(abfd, rptr, cache_ptr, symbols);
1780 register struct reloc_std_bytes *rptr = (struct reloc_std_bytes *) relocs;
1781 unsigned int counter = 0;
1782 arelent *cache_ptr = reloc_cache;
1784 for (; counter < count; counter++, rptr++, cache_ptr++) {
1785 swap_std_reloc_in(abfd, rptr, cache_ptr, symbols);
1790 asect->relocation = reloc_cache;
1791 asect->reloc_count = count;
1797 /* Write out a relocation section into an object file. */
1800 sunos4_squirt_out_relocs (abfd, section)
1805 unsigned char *native;
1808 unsigned int count = section->reloc_count;
1811 if (count == 0) return true;
1813 each_size = reloc_size_func(abfd);
1814 natsize = each_size * count;
1815 native = (unsigned char *) zalloc (natsize);
1817 bfd_error = no_memory;
1821 generic = section->orelocation;
1823 if (each_size == RELOC_EXT_SIZE)
1825 swap_ext_reloc_out (abfd,
1827 (struct reloc_ext_bytes *)native,
1832 swap_std_reloc_out(abfd, generic, native, count);
1835 if ( bfd_write ((PTR) native, 1, natsize, abfd) != natsize) {
1844 /* This is stupid. This function should be a boolean predicate */
1846 sunos4_canonicalize_reloc (abfd, section, relptr, symbols)
1852 arelent *tblptr = section->relocation;
1855 if (!(tblptr || sunos4_slurp_reloc_table (abfd, section, symbols)))
1858 if (section->flags & SEC_CONSTRUCTOR) {
1859 arelent_chain *chain = section->constructor_chain;
1860 for (count = 0; count < section->reloc_count; count ++) {
1861 *relptr ++ = &chain->relent;
1862 chain = chain->next;
1866 tblptr = section->relocation;
1867 if (!tblptr) return 0;
1869 for (count = 0; count++ < section->reloc_count;)
1871 *relptr++ = tblptr++;
1876 return section->reloc_count;
1880 sunos4_get_reloc_upper_bound (abfd, asect)
1884 if (bfd_get_format (abfd) != bfd_object) {
1885 bfd_error = invalid_operation;
1888 if (asect->flags & SEC_CONSTRUCTOR) {
1889 return (sizeof (arelent *) * (asect->reloc_count+1));
1893 if (asect == obj_datasec (abfd))
1894 return (sizeof (arelent *) *
1895 ((exec_hdr(abfd)->a_drsize / reloc_size_func(abfd))
1898 if (asect == obj_textsec (abfd))
1899 return (sizeof (arelent *) *
1900 ((exec_hdr(abfd)->a_trsize / reloc_size_func(abfd))
1903 bfd_error = invalid_operation;
1908 sunos4_reclaim_reloc (ignore_abfd, section)
1912 if (section->relocation) {
1913 free (section->relocation);
1914 section->relocation = NULL;
1915 section->reloc_count = 0;
1921 sunos4_get_lineno(ignore_abfd, ignore_symbol)
1925 return (alent *)NULL;
1929 sunos4_print_symbol(ignore_abfd, file, symbol, how)
1933 bfd_print_symbol_enum_type how;
1936 case bfd_print_symbol_name_enum:
1937 fprintf(file,"%s", symbol->name);
1939 case bfd_print_symbol_type_enum:
1940 fprintf(file,"%4x %2x %2x",(unsigned)(aout_symbol(symbol)->desc & 0xffff),
1941 (unsigned)( aout_symbol(symbol)->other & 0xff),
1942 (unsigned)(aout_symbol(symbol)->type));
1944 case bfd_print_symbol_all_enum:
1946 CONST char *section_name = symbol->section == (asection *)NULL ?
1947 "*abs" : symbol->section->name;
1949 bfd_print_symbol_vandf((PTR)file,symbol);
1951 fprintf(file," %-5s %04x %02x %02x %s",
1953 (unsigned)(aout_symbol(symbol)->desc & 0xffff),
1954 (unsigned)(aout_symbol(symbol)->other & 0xff),
1955 (unsigned)(aout_symbol(symbol)->type & 0xff),
1961 /* Once we know all the stuff that could be consed, we know how to clean
1962 it up. So why don't we? */
1965 sunos4_close_and_cleanup (abfd)
1968 if (!bfd_read_p (abfd))
1969 switch (abfd->format) {
1971 if (!_bfd_write_archive_contents (abfd)) return false; break;
1973 if (!sunos4_write_object_contents (abfd)) return false; break;
1974 default: bfd_error = invalid_operation; return false;
1977 #define cleaner(ptr) if (abfd->ptr) free (abfd->ptr)
1980 if (abfd->my_archive)
1988 provided a bfd, a section and an offset into the section, calculate
1989 and return the name of the source file and the line nearest to the
1994 DEFUN(sunos4_find_nearest_line,(abfd,
2002 asection *section AND
2003 asymbol **symbols AND
2005 CONST char **filename_ptr AND
2006 CONST char **functionname_ptr AND
2007 unsigned int *line_ptr)
2009 /* Run down the file looking for the filename, function and linenumber */
2011 static char buffer[100];
2012 bfd_vma high_line_vma = ~0;
2013 bfd_vma low_func_vma = 0;
2015 *filename_ptr = abfd->filename;
2016 *functionname_ptr = 0;
2018 if (symbols != (asymbol **)NULL) {
2019 for (p = symbols; *p; p++) {
2020 aout_symbol_type *q = (aout_symbol_type *)(*p);
2023 *filename_ptr = q->symbol.name;
2024 if (obj_textsec(abfd) != section) {
2032 /* We'll keep this if it resolves nearer than the one we have already */
2033 if (q->symbol.value >= offset &&
2034 q->symbol.value < high_line_vma) {
2035 *line_ptr = q->desc;
2036 high_line_vma = q->symbol.value;
2041 /* We'll keep this if it is nearer than the one we have already */
2042 if (q->symbol.value >= low_func_vma &&
2043 q->symbol.value <= offset) {
2044 low_func_vma = q->symbol.value;
2045 func = (asymbol *)q;
2047 if (*line_ptr && func) {
2048 CONST char *function = func->name;
2050 strncpy(buffer, function, sizeof(buffer)-1);
2051 buffer[sizeof(buffer)-1] = 0;
2052 /* Have to remove : stuff */
2053 p = strchr(buffer,':');
2054 if (p != NULL) {*p = NULL; }
2055 *functionname_ptr = buffer;
2069 bfd_target aout_big_vec =
2071 "a.out-generic-big", /* name */
2072 bfd_target_aout_flavour_enum,
2073 true, /* target byte order */
2074 true, /* target headers byte order */
2075 (HAS_RELOC | EXEC_P | /* object flags */
2076 HAS_LINENO | HAS_DEBUG |
2077 HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
2078 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
2079 0, /* valid reloc types */
2080 ' ', /* ar_pad_char */
2081 16, /* ar_max_namelen */
2082 sunos4_close_and_cleanup, /* _close_and_cleanup */
2083 sunos4_set_section_contents, /* bfd_set_section_contents */
2084 sunos4_get_section_contents, /* bfd_get_section_contents */
2085 sunos4_new_section_hook, /* new_section_hook */
2086 sunos4_core_file_failing_command, /* _core_file_failing_command */
2087 sunos4_core_file_failing_signal, /* _core_file_failing_signal */
2088 sunos4_core_file_matches_executable_p, /* _core_file_matches_ex...p */
2090 bfd_slurp_bsd_armap, /* bfd_slurp_armap */
2091 bfd_true, /* bfd_slurp_extended_name_table */
2092 bfd_bsd_truncate_arname, /* bfd_truncate_arname */
2094 sunos4_get_symtab_upper_bound, /* get_symtab_upper_bound */
2095 sunos4_get_symtab, /* canonicalize_symtab */
2096 sunos4_reclaim_symbol_table, /* bfd_reclaim_symbol_table */
2097 sunos4_get_reloc_upper_bound, /* get_reloc_upper_bound */
2098 sunos4_canonicalize_reloc, /* bfd_canonicalize_reloc */
2099 sunos4_reclaim_reloc, /* bfd_reclaim_reloc */
2100 sunos4_get_symcount_upper_bound, /* bfd_get_symcount_upper_bound */
2101 sunos4_get_first_symbol, /* bfd_get_first_symbol */
2102 sunos4_get_next_symbol, /* bfd_get_next_symbol */
2103 sunos4_classify_symbol, /* bfd_classify_symbol */
2104 sunos4_symbol_hasclass, /* bfd_symbol_hasclass */
2105 sunos4_symbol_name, /* bfd_symbol_name */
2106 sunos4_symbol_value, /* bfd_symbol_value */
2108 _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */
2109 _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */
2111 {_bfd_dummy_target, sunos4_object_p, /* bfd_check_format */
2112 bfd_generic_archive_p, sunos4_core_file_p},
2113 {bfd_false, sunos4_mkobject, /* bfd_zxset_format */
2114 _bfd_generic_mkarchive, bfd_false},
2115 sunos4_make_empty_symbol,
2116 sunos4_print_symbol,
2118 sunos4_set_arch_mach,
2120 bfd_generic_openr_next_archived_file,
2121 sunos4_find_nearest_line, /* bfd_find_nearest_line */
2122 bfd_generic_stat_arch_elt /* bfd_stat_arch_elt */
2125 bfd_target aout_little_vec =
2127 "a.out-generic-little", /* name */
2128 bfd_target_aout_flavour_enum,
2129 true, /* target byte order */
2130 true, /* target headers byte order */
2131 (HAS_RELOC | EXEC_P | /* object flags */
2132 HAS_LINENO | HAS_DEBUG |
2133 HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
2134 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
2135 0, /* valid reloc types */
2136 ' ', /* ar_pad_char */
2137 16, /* ar_max_namelen */
2138 sunos4_close_and_cleanup, /* _close_and_cleanup */
2139 sunos4_set_section_contents, /* bfd_set_section_contents */
2140 sunos4_get_section_contents, /* bfd_get_section_contents */
2141 sunos4_new_section_hook, /* new_section_hook */
2142 sunos4_core_file_failing_command, /* _core_file_failing_command */
2143 sunos4_core_file_failing_signal, /* _core_file_failing_signal */
2144 sunos4_core_file_matches_executable_p, /* _core_file_matches_ex...p */
2146 bfd_slurp_bsd_armap, /* bfd_slurp_armap */
2147 bfd_true, /* bfd_slurp_extended_name_table */
2148 bfd_bsd_truncate_arname, /* bfd_truncate_arname */
2150 sunos4_get_symtab_upper_bound, /* get_symtab_upper_bound */
2151 sunos4_get_symtab, /* canonicalize_symtab */
2152 sunos4_reclaim_symbol_table, /* bfd_reclaim_symbol_table */
2153 sunos4_get_reloc_upper_bound, /* get_reloc_upper_bound */
2154 sunos4_canonicalize_reloc, /* bfd_canonicalize_reloc */
2155 sunos4_reclaim_reloc, /* bfd_reclaim_reloc */
2156 sunos4_get_symcount_upper_bound, /* bfd_get_symcount_upper_bound */
2157 sunos4_get_first_symbol, /* bfd_get_first_symbol */
2158 sunos4_get_next_symbol, /* bfd_get_next_symbol */
2159 sunos4_classify_symbol, /* bfd_classify_symbol */
2160 sunos4_symbol_hasclass, /* bfd_symbol_hasclass */
2161 sunos4_symbol_name, /* bfd_symbol_name */
2162 sunos4_symbol_value, /* bfd_symbol_value */
2164 _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */
2165 _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* hdrs */
2167 {_bfd_dummy_target, sunos4_object_p, /* bfd_check_format */
2168 bfd_generic_archive_p, sunos4_core_file_p},
2169 {bfd_false, sunos4_mkobject, /* bfd_zxset_format */
2170 _bfd_generic_mkarchive, bfd_false},
2171 sunos4_make_empty_symbol,
2172 sunos4_print_symbol,
2174 sunos4_set_arch_mach,
2176 bfd_generic_openr_next_archived_file,
2177 sunos4_find_nearest_line, /* bfd_find_nearest_line */
2178 bfd_generic_stat_arch_elt /* bfd_stat_arch_elt */