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 HOWTO(RELOC_8
, 0, 0, 8, false, 0, true, true,0,"8", false, 0,0x000000ff, false),
57 HOWTO(RELOC_16
, 0, 1, 16, false, 0, true, true,0,"16", false, 0,0x0000ffff, false),
58 HOWTO(RELOC_32
, 0, 2, 32, false, 0, true, true,0,"32", false, 0,0xffffffff, false),
59 HOWTO(RELOC_DISP8
, 0, 0, 8, true, 0, false, true,0,"DISP8", false, 0,0x000000ff, false),
60 HOWTO(RELOC_DISP16
, 0, 1, 16, true, 0, false, true,0,"DISP16", false, 0,0x0000ffff, false),
61 HOWTO(RELOC_DISP32
, 0, 2, 32, true, 0, false, true,0,"DISP32", false, 0,0xffffffff, false),
62 HOWTO(RELOC_WDISP30
,2, 2, 30, true, 0, false, true,0,"WDISP30", false, 0,0x3fffffff, false),
63 HOWTO(RELOC_WDISP22
,2, 2, 22, true, 0, false, true,0,"WDISP22", false, 0,0x003fffff, false),
64 HOWTO(RELOC_HI22
, 10, 2, 22, false, 0, false, true,0,"HI22", false, 0,0x003fffff, false),
65 HOWTO(RELOC_22
, 0, 2, 22, false, 0, false, true,0,"22", false, 0,0x003fffff, false),
66 HOWTO(RELOC_13
, 0, 2, 13, false, 0, false, true,0,"13", false, 0,0x00001fff, false),
67 HOWTO(RELOC_LO10
, 0, 2, 10, false, 0, false, true,0,"LO10", false, 0,0x000003ff, false),
68 HOWTO(RELOC_SFA_BASE
,0, 2, 32, false, 0, false, true,0,"SFA_BASE", false, 0,0xffffffff, false),
69 HOWTO(RELOC_SFA_OFF13
,0,2, 32, false, 0, false, true,0,"SFA_OFF13",false, 0,0xffffffff, false),
70 HOWTO(RELOC_BASE10
, 0, 2, 16, false, 0, false, true,0,"BASE10", false, 0,0x0000ffff, false),
71 HOWTO(RELOC_BASE13
, 0, 2, 13, false, 0, false, true,0,"BASE13", false, 0,0x00001fff, false),
72 HOWTO(RELOC_BASE22
, 0, 2, 0, false, 0, false, true,0,"BASE22", false, 0,0x00000000, false),
73 HOWTO(RELOC_PC10
, 0, 2, 10, false, 0, false, true,0,"PC10", false, 0,0x000003ff, false),
74 HOWTO(RELOC_PC22
, 0, 2, 22, false, 0, false, true,0,"PC22", false, 0,0x003fffff, false),
75 HOWTO(RELOC_JMP_TBL
,0, 2, 32, false, 0, false, true,0,"JMP_TBL", false, 0,0xffffffff, false),
76 HOWTO(RELOC_SEGOFF16
,0, 2, 0, false, 0, false, true,0,"SEGOFF16", false, 0,0x00000000, false),
77 HOWTO(RELOC_GLOB_DAT
,0, 2, 0, false, 0, false, true,0,"GLOB_DAT", false, 0,0x00000000, false),
78 HOWTO(RELOC_JMP_SLOT
,0, 2, 0, false, 0, false, true,0,"JMP_SLOT", false, 0,0x00000000, false),
79 HOWTO(RELOC_RELATIVE
,0, 2, 0, false, 0, false, true,0,"RELATIVE", false, 0,0x00000000, false),
80 HOWTO(RELOC_JUMPTARG
,2, 13, 16, true, 0, false, true,0,"JUMPTARG", false, 0,0x0000ffff, false),
81 HOWTO(RELOC_CONST
, 0, 13, 16, false, 0, false, true,0,"CONST", false, 0,0x0000ffff, false),
82 HOWTO(RELOC_CONSTH
, 16, 13, 16, false, 0, false, true,0,"CONSTH", false, 0,0x0000ffff, false),
85 /* Convert standard reloc records to "arelent" format (incl byte swap). */
87 static reloc_howto_type howto_table_std
[] = {
88 /* type rs size bsz pcrel bitpos abs ovrf sf name*/
89 HOWTO( 0, 0, 0, 8, false, 0, true, true,0,"8", true, 0x000000ff,0x000000ff, false),
90 HOWTO( 1, 0, 1, 16, false, 0, true, true,0,"16", true, 0x0000ffff,0x0000ffff, false),
91 HOWTO( 2, 0, 2, 32, false, 0, true, true,0,"32", true, 0xffffffff,0xffffffff, false),
92 HOWTO( 3, 0, 3, 64, false, 0, true, true,0,"64", true, 0xdeaddead,0xdeaddead, false),
93 HOWTO( 4, 0, 0, 8, true, 0, false, true,0,"DISP8", true, 0x000000ff,0x000000ff, false),
94 HOWTO( 5, 0, 1, 16, true, 0, false, true,0,"DISP16", true, 0x0000ffff,0x0000ffff, false),
95 HOWTO( 6, 0, 2, 32, true, 0, false, true,0,"DISP32", true, 0xffffffff,0xffffffff, false),
96 HOWTO( 7, 0, 3, 64, true, 0, false, true,0,"DISP64", true, 0xfeedface,0xfeedface, false),
100 bfd_error_vector_type bfd_error_vector
;
104 PROTO (void , sunos4_write_syms
, ());
105 PROTO (static boolean
,sunos4_squirt_out_relocs
,(bfd
*abfd
, asection
*section
));
109 reloc_size_func(abfd
)
112 switch (bfd_get_architecture (abfd
)) {
115 return RELOC_EXT_SIZE
;
117 return RELOC_STD_SIZE
;
122 DEFUN(bfd_aout_swap_exec_header_in
,(abfd
, raw_bytes
, execp
),
124 unsigned char *raw_bytes AND
127 struct exec_bytes
*bytes
= (struct exec_bytes
*)raw_bytes
;
129 /* Now fill in fields in the execp, from the bytes in the raw data. */
130 execp
->a_info
= bfd_h_getlong (abfd
, bytes
->a_info
);
131 execp
->a_text
= bfd_h_getlong (abfd
, bytes
->a_text
);
132 execp
->a_data
= bfd_h_getlong (abfd
, bytes
->a_data
);
133 execp
->a_bss
= bfd_h_getlong (abfd
, bytes
->a_bss
);
134 execp
->a_syms
= bfd_h_getlong (abfd
, bytes
->a_syms
);
135 execp
->a_entry
= bfd_h_getlong (abfd
, bytes
->a_entry
);
136 execp
->a_trsize
= bfd_h_getlong (abfd
, bytes
->a_trsize
);
137 execp
->a_drsize
= bfd_h_getlong (abfd
, bytes
->a_drsize
);
141 DEFUN(bfd_aout_swap_exec_header_out
,(abfd
, execp
, raw_bytes
),
143 struct exec
*execp AND
144 unsigned char *raw_bytes
)
146 struct exec_bytes
*bytes
= (struct exec_bytes
*)raw_bytes
;
148 /* Now fill in fields in the raw data, from the fields in the exec struct. */
149 bfd_h_putlong (abfd
, execp
->a_info
, bytes
->a_info
);
150 bfd_h_putlong (abfd
, execp
->a_text
, bytes
->a_text
);
151 bfd_h_putlong (abfd
, execp
->a_data
, bytes
->a_data
);
152 bfd_h_putlong (abfd
, execp
->a_bss
, bytes
->a_bss
);
153 bfd_h_putlong (abfd
, execp
->a_syms
, bytes
->a_syms
);
154 bfd_h_putlong (abfd
, execp
->a_entry
, bytes
->a_entry
);
155 bfd_h_putlong (abfd
, execp
->a_trsize
, bytes
->a_trsize
);
156 bfd_h_putlong (abfd
, execp
->a_drsize
, bytes
->a_drsize
);
159 /* Steve wants some way to frob this stuff from Saber while he's debugging
160 ld, so we have these funny shadow functions */
161 /* ZMAGIC's start at 0 (making the exec part of the text section),
162 other formats start after the exec
164 static unsigned int n_txtoff(ptr
)
166 {return N_MAGIC(*ptr
)== ZMAGIC
? 0: sizeof(struct exec
);}
168 static unsigned int n_datoff(ptr
)
170 {return n_txtoff(ptr
) + ptr
->a_text
;}
172 static unsigned int n_treloff(ptr
)
174 {return n_datoff(ptr
) + ptr
->a_data
;}
176 static unsigned int n_dreloff(ptr
)
178 {return n_treloff(ptr
) + ptr
->a_trsize
;}
180 static unsigned int n_symoff(ptr
)
182 {return n_dreloff(ptr
) + ptr
->a_drsize
;}
184 static unsigned int n_stroff(ptr
)
186 {return n_symoff(ptr
) + ptr
->a_syms
;}
189 unsigned int n_badmag(ptr
)
192 switch (N_MAGIC(*ptr
)) {
193 case OMAGIC
: case NMAGIC
: case ZMAGIC
: return 0;
199 sunos4_object_p (abfd
)
202 unsigned char magicbuf
[4]; /* Raw bytes of magic number from file */
203 unsigned long magic
; /* Swapped magic number */
204 unsigned char exec_bytes
[EXEC_BYTES_SIZE
]; /* Raw bytes of exec hdr */
208 bfd_error
= system_call_error
;
210 if (bfd_read ((PTR
)magicbuf
, 1, sizeof (magicbuf
), abfd
) !=
213 magic
= bfd_h_getlong (abfd
, magicbuf
);
215 /* Baroque syntax to mask deficiencies of the Sun compiler */
216 /* if (N_BADMAG (*((struct exec *) &magic))) return 0; */
217 if (n_badmag ((struct exec
*) &magic
)) return 0;
219 if (bfd_seek (abfd
, 0L, false) < 0) return 0;
221 if (bfd_read ((PTR
) exec_bytes
, 1, EXEC_BYTES_SIZE
, abfd
)
222 != EXEC_BYTES_SIZE
) {
223 bfd_error
= wrong_format
;
227 /* Use an intermediate variable for clarity */
228 rawptr
= (PTR
) bfd_zalloc (abfd
, sizeof (struct sunexdata
) + sizeof (struct exec
));
230 if (rawptr
== NULL
) {
231 bfd_error
= no_memory
;
235 set_tdata (abfd
, ((struct sunexdata
*) rawptr
));
236 exec_hdr (abfd
) = execp
=
237 (struct exec
*) ((char *)rawptr
+ sizeof (struct sunexdata
));
239 bfd_aout_swap_exec_header_in (abfd
, exec_bytes
, execp
);
241 /* Set the file flags */
242 abfd
->flags
= NO_FLAGS
;
243 if (execp
->a_drsize
|| execp
->a_trsize
)
244 abfd
->flags
|= HAS_RELOC
;
246 abfd
->flags
|= EXEC_P
;
248 abfd
->flags
|= HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
;
251 if (N_MAGIC (*execp
) == ZMAGIC
) abfd
->flags
|= D_PAGED
;
252 if (N_MAGIC (*execp
) == NMAGIC
) abfd
->flags
|= WP_TEXT
;
254 /* Determine the architecture and machine type of the object file. */
255 abfd
->obj_arch
= bfd_arch_unknown
; /* Default values */
256 abfd
->obj_machine
= 0;
257 switch (N_MACHTYPE (*execp
)) {
263 abfd
->obj_arch
= bfd_arch_m68k
;
264 abfd
->obj_machine
= 68010;
268 abfd
->obj_arch
= bfd_arch_m68k
;
269 abfd
->obj_machine
= 68020;
273 abfd
->obj_arch
= bfd_arch_sparc
;
277 abfd
->obj_arch
= bfd_arch_i386
;
281 abfd
->obj_arch
= bfd_arch_a29k
;
285 abfd
->obj_arch
= bfd_arch_obscure
;
289 bfd_get_start_address (abfd
) = execp
->a_entry
;
291 /* Remember the positions of the string table and symbol table. */
292 obj_str_filepos (abfd
) = n_stroff (execp
);
293 obj_sym_filepos (abfd
) = n_symoff (execp
);
295 /* create the sections. This is raunchy, but bfd_close wants to reclaim
297 obj_textsec (abfd
) = (asection
*)NULL
;
298 obj_datasec (abfd
) = (asection
*)NULL
;
299 obj_bsssec (abfd
) = (asection
*)NULL
;
300 obj_aout_symbols(abfd
) = (aout_symbol_type
*)NULL
;
301 (void)bfd_make_section(abfd
, ".text");
302 (void)bfd_make_section(abfd
, ".data");
303 (void)bfd_make_section(abfd
, ".bss");
305 obj_datasec (abfd
)->size
= execp
->a_data
;
306 obj_bsssec (abfd
)->size
= execp
->a_bss
;
307 obj_textsec (abfd
)->size
= execp
->a_text
;
308 obj_datasec (abfd
)->vma
= N_DATADDR(*execp
);
309 obj_bsssec (abfd
)->vma
= N_BSSADDR(*execp
);
310 obj_textsec (abfd
)->vma
= N_TXTADDR(*execp
);
312 obj_textsec (abfd
)->filepos
= N_TXTOFF(*execp
);
313 obj_datasec (abfd
)->filepos
= N_DATOFF(*execp
);
315 obj_textsec (abfd
)->rel_filepos
= N_TRELOFF(*execp
);
316 obj_datasec (abfd
)->rel_filepos
= N_DRELOFF(*execp
);
318 obj_textsec (abfd
)->flags
= (execp
->a_trsize
!= 0 ?
319 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_HAS_CONTENTS
) :
320 (SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
));
321 obj_datasec (abfd
)->flags
= (execp
->a_drsize
!= 0 ?
322 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_HAS_CONTENTS
) :
323 (SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
));
324 obj_bsssec (abfd
)->flags
= SEC_ALLOC
;
326 abfd
->sections
= obj_textsec (abfd
);
327 obj_textsec (abfd
)->next
= obj_datasec (abfd
);
328 obj_datasec (abfd
)->next
= obj_bsssec (abfd
);
334 sunos4_mkobject (abfd
)
339 bfd_error
= system_call_error
;
341 /* Use an intermediate variable for clarity */
342 rawptr
= bfd_zalloc (abfd
,sizeof (struct sunexdata
) + sizeof (struct exec
));
344 if (rawptr
== NULL
) {
345 bfd_error
= no_memory
;
349 abfd
->tdata
= (PTR
)((struct sunexdata
*) rawptr
);
350 exec_hdr (abfd
) = (struct exec
*) (rawptr
+ sizeof (struct sunexdata
));
352 /* For simplicity's sake we just make all the sections right here. */
354 obj_textsec (abfd
) = (asection
*)NULL
;
355 obj_datasec (abfd
) = (asection
*)NULL
;
356 obj_bsssec (abfd
) = (asection
*)NULL
;
357 bfd_make_section (abfd
, ".text");
358 bfd_make_section (abfd
, ".data");
359 bfd_make_section (abfd
, ".bss");
364 /* Keep track of machine architecture and machine type for a.out's.
365 Return the machine_type for a particular arch&machine, or M_UNKNOWN
366 if that exact arch&machine can't be represented in a.out format.
368 If the architecture is understood, machine type 0 (default) should
369 always be understood. */
371 static enum machine_type
372 aout_machine_type (arch
, machine
)
373 enum bfd_architecture arch
;
374 unsigned long machine
;
376 enum machine_type arch_flags
;
378 arch_flags
= M_UNKNOWN
;
382 if (machine
== 0) arch_flags
= M_SPARC
;
387 case 0: arch_flags
= M_68010
; break;
388 case 68000: arch_flags
= M_UNKNOWN
; break;
389 case 68010: arch_flags
= M_68010
; break;
390 case 68020: arch_flags
= M_68020
; break;
391 default: arch_flags
= M_UNKNOWN
; break;
396 if (machine
== 0) arch_flags
= M_386
;
400 if (machine
== 0) arch_flags
= M_29K
;
404 arch_flags
= M_UNKNOWN
;
411 sunos4_set_arch_mach (abfd
, arch
, machine
)
413 enum bfd_architecture arch
;
414 unsigned long machine
;
416 abfd
->obj_arch
= arch
;
417 abfd
->obj_machine
= machine
;
418 if (arch
!= bfd_arch_unknown
&&
419 aout_machine_type (arch
, machine
) == M_UNKNOWN
)
420 return false; /* We can't represent this type */
421 return true; /* We're easy ... */
425 sunos4_write_object_contents (abfd
)
429 unsigned char exec_bytes
[EXEC_BYTES_SIZE
];
430 struct exec
*execp
= exec_hdr (abfd
);
432 execp
->a_text
= obj_textsec (abfd
)->size
;
434 /* Magic number, maestro, please! */
435 switch (bfd_get_architecture(abfd
)) {
437 switch (bfd_get_machine(abfd
)) {
439 N_SET_MACHTYPE(*execp
, M_68010
);
443 N_SET_MACHTYPE(*execp
, M_68020
);
448 N_SET_MACHTYPE(*execp
, M_SPARC
);
451 N_SET_MACHTYPE(*execp
, M_386
);
454 N_SET_MACHTYPE(*execp
, M_29K
);
457 N_SET_MACHTYPE(*execp
, M_UNKNOWN
);
460 N_SET_MAGIC (*execp
, OMAGIC
);
461 if (abfd
->flags
& D_PAGED
) {
462 execp
->a_text
= obj_textsec (abfd
)->size
+ sizeof(struct exec
);
463 N_SET_MAGIC (*execp
, ZMAGIC
);
464 } else if (abfd
->flags
& WP_TEXT
) {
465 N_SET_MAGIC (*execp
, NMAGIC
);
467 N_SET_FLAGS (*execp
, 0x1); /* copied from ld.c; who the hell knows? */
469 if (abfd
->flags
& D_PAGED
)
471 data_pad
= ((obj_datasec(abfd
)->size
+ PAGE_SIZE
-1)
472 & (- PAGE_SIZE
)) - obj_datasec(abfd
)->size
;
474 if (data_pad
> obj_bsssec(abfd
)->size
)
477 execp
->a_bss
= obj_bsssec(abfd
)->size
- data_pad
;
478 execp
->a_data
= obj_datasec(abfd
)->size
+ data_pad
;
482 execp
->a_data
= obj_datasec (abfd
)->size
;
483 execp
->a_bss
= obj_bsssec (abfd
)->size
;
486 execp
->a_syms
= bfd_get_symcount (abfd
) * sizeof (struct nlist
);
487 execp
->a_entry
= bfd_get_start_address (abfd
);
489 execp
->a_trsize
= ((obj_textsec (abfd
)->reloc_count
) *
490 reloc_size_func(abfd
));
492 execp
->a_drsize
= ((obj_datasec (abfd
)->reloc_count
) *
493 reloc_size_func(abfd
));
495 bfd_aout_swap_exec_header_out (abfd
, execp
, exec_bytes
);
497 bfd_seek (abfd
, 0L, false);
498 bfd_write ((PTR
) exec_bytes
, 1, EXEC_BYTES_SIZE
, abfd
);
500 /* Now write out reloc info, followed by syms and strings */
502 if (bfd_get_symcount (abfd
) != 0)
505 (long)(N_SYMOFF(*execp
)), false);
507 sunos4_write_syms (abfd
);
509 bfd_seek (abfd
, (long)(N_TRELOFF(*execp
)), false);
511 if (!sunos4_squirt_out_relocs (abfd
, obj_textsec (abfd
))) return false;
512 bfd_seek (abfd
, (long)(N_DRELOFF(*execp
)), false);
514 if (!sunos4_squirt_out_relocs (abfd
, obj_datasec (abfd
))) return false;
522 #define CORE_MAGIC 0x080456
523 #define CORE_NAMELEN 16
525 /* The core structure is taken from the Sun documentation.
526 Unfortunately, they don't document the FPA structure, or at least I
527 can't find it easily. Fortunately the core header contains its own
528 length. So this shouldn't cause problems, except for c_ucode, which
529 so far we don't use but is easy to find with a little arithmetic. */
531 /* But the reg structure can be gotten from the SPARC processor handbook.
532 This really should be in a GNU include file though so that gdb can use
556 /* Taken from Sun documentation: */
558 /* FIXME: It's worse than we expect. This struct contains TWO substructs
559 neither of whose size we know, WITH STUFF IN BETWEEN THEM! We can't
560 even portably access the stuff in between! */
563 int c_magic
; /* Corefile magic number */
564 int c_len
; /* Sizeof (struct core) */
565 struct regs c_regs
; /* General purpose registers */
566 struct exec c_aouthdr
; /* A.out header */
567 int c_signo
; /* Killing signal, if any */
568 int c_tsize
; /* Text size (bytes) */
569 int c_dsize
; /* Data size (bytes) */
570 int c_ssize
; /* Stack size (bytes) */
571 char c_cmdname
[CORE_NAMELEN
+ 1]; /* Command name */
572 double fp_stuff
[1]; /* external FPU state (size unknown by us) */
573 /* The type "double" is critical here, for alignment.
574 SunOS declares a struct here, but the struct's alignment
575 is double since it contains doubles. */
576 int c_ucode
; /* Exception no. from u_code */
577 /* (this member is not accessible by name since we don't
578 portably know the size of fp_stuff.) */
581 /* Supposedly the user stack grows downward from the bottom of kernel memory.
582 Presuming that this remains true, this definition will work. */
583 #define USRSTACK (-(128*1024*1024))
585 PROTO (static void, swapcore
, (bfd
*abfd
, struct core
*core
));
587 /* need this cast b/c ptr is really void * */
588 #define core_hdr(bfd) (((struct suncordata *) (bfd->tdata))->hdr)
589 #define core_datasec(bfd) (((struct suncordata *) ((bfd)->tdata))->data_section)
590 #define core_stacksec(bfd) (((struct suncordata*)((bfd)->tdata))->stack_section)
591 #define core_regsec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg_section)
592 #define core_reg2sec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg2_section)
594 /* These are stored in the bfd's tdata */
596 struct core
*hdr
; /* core file header */
597 asection
*data_section
;
598 asection
*stack_section
;
599 asection
*reg_section
;
600 asection
*reg2_section
;
604 sunos4_core_file_p (abfd
)
607 unsigned char longbuf
[4]; /* Raw bytes of various header fields */
613 bfd_error
= system_call_error
;
615 if (bfd_read ((PTR
)longbuf
, 1, sizeof (longbuf
), abfd
) !=
618 core_mag
= bfd_h_getlong (abfd
, longbuf
);
620 if (core_mag
!= CORE_MAGIC
) return 0;
622 /* SunOS core headers can vary in length; second word is size; */
623 if (bfd_read ((PTR
)longbuf
, 1, sizeof (longbuf
), abfd
) !=
626 core_size
= bfd_h_getlong (abfd
, longbuf
);
628 if (core_size
> 20000)
631 if (bfd_seek (abfd
, 0L, false) < 0) return 0;
633 rawptr
= bfd_zalloc (abfd
, core_size
+ sizeof (struct suncordata
));
634 if (rawptr
== NULL
) {
635 bfd_error
= no_memory
;
639 core
= (struct core
*) (rawptr
+ sizeof (struct suncordata
));
641 if ((bfd_read ((PTR
) core
, 1, core_size
, abfd
)) != core_size
) {
642 bfd_error
= system_call_error
;
647 swapcore (abfd
, core
);
648 set_tdata (abfd
, ((struct suncordata
*) rawptr
));
649 core_hdr (abfd
) = core
;
651 /* create the sections. This is raunchy, but bfd_close wants to reclaim
653 core_stacksec (abfd
) = (asection
*) bfd_zalloc (abfd
, sizeof (asection
));
654 if (core_stacksec (abfd
) == NULL
) {
656 bfd_error
= no_memory
;
660 core_datasec (abfd
) = (asection
*) bfd_zalloc (abfd
, sizeof (asection
));
661 if (core_datasec (abfd
) == NULL
) {
663 free ((PTR
)core_stacksec (abfd
));
666 core_regsec (abfd
) = (asection
*) bfd_zalloc (abfd
, sizeof (asection
));
667 if (core_regsec (abfd
) == NULL
) {
669 free ((PTR
)core_datasec (abfd
));
672 core_reg2sec (abfd
) = (asection
*) bfd_zalloc (abfd
, sizeof (asection
));
673 if (core_reg2sec (abfd
) == NULL
) {
674 free ((PTR
)core_regsec (abfd
));
678 core_stacksec (abfd
)->name
= ".stack";
679 core_datasec (abfd
)->name
= ".data";
680 core_regsec (abfd
)->name
= ".reg";
681 core_reg2sec (abfd
)->name
= ".reg2";
683 core_stacksec (abfd
)->flags
= SEC_ALLOC
+ SEC_LOAD
;
684 core_datasec (abfd
)->flags
= SEC_ALLOC
+ SEC_LOAD
;
685 core_regsec (abfd
)->flags
= SEC_ALLOC
;
686 core_reg2sec (abfd
)->flags
= SEC_ALLOC
;
688 core_stacksec (abfd
)->size
= core
->c_ssize
;
689 core_datasec (abfd
)->size
= core
->c_dsize
;
690 core_regsec (abfd
)->size
= (sizeof core
->c_regs
);
691 /* Float regs take up end of struct, except c_ucode. */
692 core_reg2sec (abfd
)->size
= core_size
- (sizeof core
->c_ucode
) -
693 (file_ptr
)(((struct core
*)0)->fp_stuff
);
695 core_stacksec (abfd
)->vma
= (USRSTACK
- core
->c_ssize
);
696 core_datasec (abfd
)->vma
= N_DATADDR(core
->c_aouthdr
);
697 core_regsec (abfd
)->vma
= -1;
698 core_reg2sec (abfd
)->vma
= -1;
700 core_stacksec (abfd
)->filepos
= core
->c_len
+ core
->c_dsize
;
701 core_datasec (abfd
)->filepos
= core
->c_len
;
702 /* In file header: */
703 core_regsec (abfd
)->filepos
= (file_ptr
)(&((struct core
*)0)->c_regs
);
704 core_reg2sec (abfd
)->filepos
= (file_ptr
)(((struct core
*)0)->fp_stuff
);
706 /* Align to word at least */
707 core_stacksec (abfd
)->alignment_power
= 2;
708 core_datasec (abfd
)->alignment_power
= 2;
709 core_regsec (abfd
)->alignment_power
= 2;
710 core_reg2sec (abfd
)->alignment_power
= 2;
712 abfd
->sections
= core_stacksec (abfd
);
713 core_stacksec (abfd
)->next
= core_datasec (abfd
);
714 core_datasec (abfd
)->next
= core_regsec (abfd
);
715 core_regsec (abfd
)->next
= core_reg2sec (abfd
);
717 abfd
->section_count
= 4;
723 sunos4_core_file_failing_command (abfd
)
726 return core_hdr (abfd
)->c_cmdname
;
730 sunos4_core_file_failing_signal (abfd
)
733 return core_hdr (abfd
)->c_signo
;
737 sunos4_core_file_matches_executable_p (core_bfd
, exec_bfd
)
738 bfd
*core_bfd
, *exec_bfd
;
740 if (core_bfd
->xvec
!= exec_bfd
->xvec
) {
741 bfd_error
= system_call_error
;
745 return (bcmp ((char *)&core_hdr (core_bfd
), (char*) &exec_hdr (exec_bfd
),
746 sizeof (struct exec
)) == 0) ? true : false;
749 /* byte-swap core structure */
750 /* FIXME, this needs more work to swap IN a core struct from raw bytes */
752 swapcore (abfd
, core
)
756 unsigned char exec_bytes
[EXEC_BYTES_SIZE
];
758 core
->c_magic
= bfd_h_getlong (abfd
, (unsigned char *)&core
->c_magic
);
759 core
->c_len
= bfd_h_getlong (abfd
, (unsigned char *)&core
->c_len
);
760 /* Leave integer registers in target byte order. */
761 bcopy ((char *)&(core
->c_aouthdr
), (char *)exec_bytes
, EXEC_BYTES_SIZE
);
762 bfd_aout_swap_exec_header_in (abfd
, exec_bytes
, &core
->c_aouthdr
);
763 core
->c_signo
= bfd_h_getlong (abfd
, (unsigned char *)&core
->c_signo
);
764 core
->c_tsize
= bfd_h_getlong (abfd
, (unsigned char *)&core
->c_tsize
);
765 core
->c_dsize
= bfd_h_getlong (abfd
, (unsigned char *)&core
->c_dsize
);
766 core
->c_ssize
= bfd_h_getlong (abfd
, (unsigned char *)&core
->c_ssize
);
767 /* Leave FP registers in target byte order. */
768 /* Leave "c_ucode" unswapped for now, since we can't find it easily. */
771 /** exec and core file sections */
774 sunos4_new_section_hook (abfd
, newsect
)
778 /* align to double at least */
779 newsect
->alignment_power
= 3;
781 if (bfd_get_format (abfd
) == bfd_object
) {
782 if (obj_textsec(abfd
) == NULL
&& !strcmp(newsect
->name
, ".text")) {
783 obj_textsec(abfd
)= newsect
;
787 if (obj_datasec(abfd
) == NULL
&& !strcmp(newsect
->name
, ".data")) {
788 obj_datasec(abfd
) = newsect
;
792 if (obj_bsssec(abfd
) == NULL
&& !strcmp(newsect
->name
, ".bss")) {
793 obj_bsssec(abfd
) = newsect
;
798 /* We allow more than three sections internally */
803 sunos4_set_section_contents (abfd
, section
, location
, offset
, count
)
806 unsigned char *location
;
810 if (abfd
->output_has_begun
== false)
811 { /* set by bfd.c handler */
812 if ((obj_textsec (abfd
) == NULL
) || (obj_datasec (abfd
) == NULL
)
815 (obj_textsec (abfd)->size == 0) || (obj_datasec (abfd)->size=
819 bfd_error
= invalid_operation
;
825 if (abfd
->flags
& D_PAGED
)
827 obj_textsec (abfd
)->filepos
= sizeof(struct exec
);
828 obj_datasec(abfd
)->filepos
= obj_textsec (abfd
)->size
;
833 obj_textsec (abfd
)->filepos
= sizeof(struct exec
);
834 obj_datasec(abfd
)->filepos
= obj_textsec(abfd
)->filepos
+ obj_textsec (abfd
)->size
;
838 /* regardless, once we know what we're doing, we might as well get going */
839 if (section
!= obj_bsssec(abfd
)) {
840 bfd_seek (abfd
, section
->filepos
+ offset
, SEEK_SET
);
843 return (bfd_write ((PTR
)location
, 1, count
, abfd
) == count
) ?
851 sunos4_get_section_contents (abfd
, section
, location
, offset
, count
)
859 if (offset
>= section
->size
) return false;
861 bfd_seek (abfd
, section
->filepos
+ offset
, SEEK_SET
);
863 return (bfd_read (location
, 1, count
, abfd
) == count
) ? true:false;
869 /* Classify stabs symbols */
872 #define sym_in_text_section(sym) \
873 (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_TEXT)
875 #define sym_in_data_section(sym) \
876 (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_DATA)
878 #define sym_in_bss_section(sym) \
879 (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_BSS)
881 /* Symbol is undefined if type is N_UNDF|N_EXT and if it has
882 zero in the "value" field. Nonzeroes there are fortrancommon
884 #define sym_is_undefined(sym) \
885 ((sym)->n_type == (N_UNDF | N_EXT) && (sym)->n_value == 0)
887 /* Symbol is a global definition if N_EXT is on and if it has
888 a nonzero type field. */
889 #define sym_is_global_defn(sym) \
890 (((sym)->n_type & N_EXT) && (sym)->n_type & N_TYPE)
892 /* Symbol is debugger info if any bits outside N_TYPE or N_EXT
894 #define sym_is_debugger_info(sym) \
895 ((sym)->n_type & ~(N_EXT | N_TYPE))
897 #define sym_is_fortrancommon(sym) \
898 (((sym)->n_type == (N_EXT)) && (sym)->n_value != 0)
900 /* Symbol is absolute if it has N_ABS set */
901 #define sym_is_absolute(sym) \
902 (((sym)->n_type & N_TYPE)== N_ABS)
905 #define sym_is_indirect(sym) \
906 (((sym)->n_type & N_ABS)== N_ABS)
908 /* Only in their own functions for ease of debugging; when sym flags have
909 stabilised these should be inlined into their (single) caller */
912 translate_from_native_sym_flags (sym_pointer
, cache_ptr
, abfd
)
913 struct nlist
*sym_pointer
;
914 aout_symbol_type
*cache_ptr
;
917 switch (cache_ptr
->type
& N_TYPE
) {
923 asection
*section
= bfd_make_section(abfd
,
924 cache_ptr
->symbol
.name
);
925 arelent_chain
*reloc
= (arelent_chain
*)bfd_alloc(abfd
, sizeof(arelent_chain
));
927 switch ( (cache_ptr
->type
& N_TYPE
) ) {
929 reloc
->relent
.section
= (asection
*)NULL
;
930 cache_ptr
->symbol
.section
= (asection
*)NULL
;
933 reloc
->relent
.section
= (asection
*)obj_textsec(abfd
);
934 cache_ptr
->symbol
.value
-= reloc
->relent
.section
->vma
;
937 reloc
->relent
.section
= (asection
*)obj_datasec(abfd
);
938 cache_ptr
->symbol
.value
-= reloc
->relent
.section
->vma
;
941 reloc
->relent
.section
= (asection
*)obj_bsssec(abfd
);
942 cache_ptr
->symbol
.value
-= reloc
->relent
.section
->vma
;
945 cache_ptr
->symbol
.section
= reloc
->relent
.section
;
946 reloc
->relent
.addend
= cache_ptr
->symbol
.value
;
948 We modify the symbol to belong to a section depending upon the
949 name of the symbol - probably __CTOR__ or __DTOR__ but we don't
950 really care, and add to the size of the section to contain a
951 pointer to the symbol. Build a reloc entry to relocate to this
952 symbol attached to this section.
956 section
->flags
= SEC_CONSTRUCTOR
;
957 section
->reloc_count
++;
958 section
->alignment_power
= 2;
959 reloc
->relent
.sym_ptr_ptr
= (asymbol
**)NULL
;
960 reloc
->next
= section
->constructor_chain
;
961 section
->constructor_chain
= reloc
;
962 reloc
->relent
.address
= section
->size
;
963 section
->size
+= sizeof(int *);
965 reloc
->relent
.howto
= howto_table_ext
+CTOR_TABLE_RELOC_IDX
;
966 cache_ptr
->symbol
.flags
|= BSF_DEBUGGING
;
971 if (sym_is_debugger_info (sym_pointer
)) {
972 cache_ptr
->symbol
.flags
= BSF_DEBUGGING
;
973 /* Work out the section correct for this symbol */
974 switch (sym_pointer
->n_type
& N_TYPE
)
978 cache_ptr
->symbol
.section
= obj_textsec (abfd
);
979 cache_ptr
->symbol
.value
-= obj_textsec(abfd
)->vma
;
982 cache_ptr
->symbol
.value
-= obj_datasec(abfd
)->vma
;
983 cache_ptr
->symbol
.section
= obj_datasec (abfd
);
986 cache_ptr
->symbol
.section
= obj_bsssec (abfd
);
987 cache_ptr
->symbol
.value
-= obj_bsssec(abfd
)->vma
;
991 cache_ptr
->symbol
.section
= 0;
996 if (sym_is_fortrancommon (sym_pointer
))
998 cache_ptr
->symbol
.flags
= BSF_FORT_COMM
;
999 cache_ptr
->symbol
.section
= (asection
*)NULL
;
1002 if (sym_is_undefined (sym_pointer
)) {
1003 cache_ptr
->symbol
.flags
= BSF_UNDEFINED
;
1005 else if (sym_is_global_defn (sym_pointer
)) {
1006 cache_ptr
->symbol
.flags
= BSF_GLOBAL
| BSF_EXPORT
;
1009 else if (sym_is_absolute (sym_pointer
)) {
1010 cache_ptr
->symbol
.flags
= BSF_ABSOLUTE
;
1013 cache_ptr
->symbol
.flags
= BSF_LOCAL
;
1016 /* In a.out, the value of a symbol is always relative to the
1017 * start of the file, if this is a data symbol we'll subtract
1018 * the size of the text section to get the section relative
1019 * value. If this is a bss symbol (which would be strange)
1020 * we'll subtract the size of the previous two sections
1021 * to find the section relative address.
1024 if (sym_in_text_section (sym_pointer
)) {
1025 cache_ptr
->symbol
.value
-= obj_textsec(abfd
)->vma
;
1026 cache_ptr
->symbol
.section
= obj_textsec (abfd
);
1028 else if (sym_in_data_section (sym_pointer
)){
1029 cache_ptr
->symbol
.value
-= obj_datasec(abfd
)->vma
;
1030 cache_ptr
->symbol
.section
= obj_datasec (abfd
);
1032 else if (sym_in_bss_section(sym_pointer
)) {
1033 cache_ptr
->symbol
.section
= obj_bsssec (abfd
);
1034 cache_ptr
->symbol
.value
-= obj_bsssec(abfd
)->vma
;
1037 cache_ptr
->symbol
.section
= (asection
*)NULL
;
1038 cache_ptr
->symbol
.flags
|= BSF_ABSOLUTE
;
1046 translate_to_native_sym_flags (sym_pointer
, cache_ptr_g
, abfd
)
1047 struct nlist
*sym_pointer
;
1051 asymbol
*cache_ptr
= (asymbol
*)cache_ptr_g
;
1053 /* FIXME check for wrigin bss */
1054 if (bfd_get_section(cache_ptr
)) {
1055 if (bfd_get_output_section(cache_ptr
) == obj_bsssec (abfd
)) {
1056 sym_pointer
->n_type
|= N_BSS
;
1058 else if (bfd_get_output_section(cache_ptr
) == obj_datasec (abfd
)) {
1059 sym_pointer
->n_type
|= N_DATA
;
1061 else if (bfd_get_output_section(cache_ptr
) == obj_textsec (abfd
)) {
1062 sym_pointer
->n_type
|= N_TEXT
;
1066 bfd_error_vector
.nonrepresentable_section(abfd
, bfd_get_output_section(cache_ptr
)->name
);
1069 /* Turn the symbol from section relative to absolute again */
1070 sym_pointer
->n_value
+=
1071 cache_ptr
->section
->output_section
->vma
1072 + cache_ptr
->section
->output_offset
;
1075 sym_pointer
->n_type
|= N_ABS
;
1078 if (cache_ptr
->flags
& (BSF_FORT_COMM
| BSF_UNDEFINED
)) {
1079 sym_pointer
->n_type
= (N_UNDF
| N_EXT
);
1083 if (cache_ptr
->flags
& BSF_ABSOLUTE
) {
1084 sym_pointer
->n_type
|= N_ABS
;
1087 if (cache_ptr
->flags
& (BSF_GLOBAL
| BSF_EXPORT
)) {
1088 sym_pointer
->n_type
|= N_EXT
;
1090 if (cache_ptr
->flags
& BSF_DEBUGGING
) {
1091 sym_pointer
->n_type
= ((aout_symbol_type
*)cache_ptr
)->type
;
1096 /* Native-level interface to symbols. */
1098 /* We read the symbols into a buffer, which is discarded when this
1099 function exits. We read the strings into a buffer large enough to
1100 hold them all plus all the cached symbol entries. */
1103 sunos4_make_empty_symbol (abfd
)
1106 aout_symbol_type
*new =
1107 (aout_symbol_type
*)bfd_zalloc (abfd
, sizeof (aout_symbol_type
));
1108 new->symbol
.the_bfd
= abfd
;
1110 return &new->symbol
;
1114 DEFUN(sunos4_slurp_symbol_table
, (abfd
),
1117 unsigned int symbol_count
;
1122 aout_symbol_type
*cached
;
1124 /* If there's no work to be done, don't do any */
1125 if (obj_aout_symbols (abfd
) != (aout_symbol_type
*)NULL
) return true;
1126 symbol_size
= exec_hdr(abfd
)->a_syms
;
1127 if (symbol_size
== 0) {
1128 bfd_error
= no_symbols
;
1132 bfd_seek (abfd
, obj_str_filepos (abfd
), SEEK_SET
);
1133 if (bfd_read ((PTR
)&string_size
, 4, 1, abfd
) != 4)
1135 string_size
= bfd_h_getlong (abfd
, (unsigned char *)&string_size
);
1137 symbol_count
= symbol_size
/ sizeof (struct nlist
);
1139 strings
= bfd_alloc(abfd
, string_size
+ 1);
1140 cached
= (aout_symbol_type
*)
1141 bfd_zalloc(abfd
, symbol_count
* sizeof(aout_symbol_type
));
1142 syms
= (struct nlist
*) bfd_alloc(abfd
, symbol_size
);
1144 bfd_seek (abfd
, obj_sym_filepos (abfd
), SEEK_SET
);
1145 if (bfd_read ((PTR
)syms
, 1, symbol_size
, abfd
) != symbol_size
) {
1150 bfd_seek (abfd
, obj_str_filepos (abfd
), SEEK_SET
);
1151 if (bfd_read ((PTR
)strings
, 1, string_size
, abfd
) != string_size
) {
1155 /* OK, now walk the new symtable, cacheing symbol properties */
1157 register struct nlist
*sym_pointer
;
1158 register struct nlist
*sym_end
= syms
+ symbol_count
;
1159 register aout_symbol_type
*cache_ptr
= cached
;
1161 /* run through the table and byte swap if needed */
1162 for (sym_pointer
= syms
; sym_pointer
< sym_end
; sym_pointer
++) {
1163 sym_pointer
->n_un
.n_strx
=
1164 bfd_h_get_x (abfd
, &sym_pointer
->n_un
.n_strx
);
1165 sym_pointer
->n_desc
=
1166 bfd_h_get_x (abfd
, &sym_pointer
->n_desc
);
1167 sym_pointer
->n_value
=
1168 bfd_h_get_x (abfd
, &sym_pointer
->n_value
);
1169 sym_pointer
->n_other
= (char)
1170 bfd_h_get_x(abfd
, &sym_pointer
->n_other
);
1171 sym_pointer
->n_type
= (char)
1172 bfd_h_get_x(abfd
, &sym_pointer
->n_type
);
1176 /* Run through table and copy values */
1177 for (sym_pointer
= syms
, cache_ptr
= cached
;
1178 sym_pointer
< sym_end
; sym_pointer
++, cache_ptr
++)
1180 cache_ptr
->symbol
.the_bfd
= abfd
;
1181 if (sym_pointer
->n_un
.n_strx
)
1182 cache_ptr
->symbol
.name
= sym_pointer
->n_un
.n_strx
+ strings
;
1184 cache_ptr
->symbol
.name
= (char *)NULL
;
1185 cache_ptr
->symbol
.value
= sym_pointer
->n_value
;
1186 cache_ptr
->desc
= sym_pointer
->n_desc
;
1187 cache_ptr
->other
= sym_pointer
->n_other
;
1188 cache_ptr
->type
= sym_pointer
->n_type
;
1189 cache_ptr
->symbol
.udata
= 0;
1190 translate_from_native_sym_flags (sym_pointer
, cache_ptr
, abfd
);
1195 obj_aout_symbols (abfd
) = cached
;
1196 bfd_get_symcount (abfd
) = symbol_count
;
1197 bfd_release (abfd
, (PTR
)syms
);
1204 DEFUN(sunos4_write_syms
,(abfd
),
1207 unsigned int count
;
1208 asymbol
**generic
= bfd_get_outsymbols (abfd
);
1210 unsigned int stindex
= sizeof(stindex
); /* initial string length */
1212 for (count
= 0; count
< bfd_get_symcount (abfd
); count
++) {
1213 asymbol
*g
= generic
[count
];
1217 unsigned int length
= strlen(g
->name
) +1;
1218 bfd_h_putlong (abfd
, stindex
, (unsigned char *)&nsp
.n_un
.n_strx
);
1222 bfd_h_putlong (abfd
, 0, (unsigned char *)&nsp
.n_un
.n_strx
);
1225 if (g
->the_bfd
->xvec
->flavour
== abfd
->xvec
->flavour
)
1227 nsp
.n_desc
= aout_symbol( g
)->desc
;
1228 nsp
.n_other
= aout_symbol(g
)->other
;
1229 nsp
.n_type
= aout_symbol(g
)->type
;
1239 nsp
.n_value
= g
->value
;
1240 translate_to_native_sym_flags (&nsp
, (PTR
)g
, abfd
);
1243 bfd_h_putshort (abfd
, nsp
.n_desc
, (unsigned char *)&nsp
.n_desc
);
1244 bfd_h_putlong (abfd
, nsp
.n_value
, (unsigned char *)&nsp
.n_value
);
1245 bfd_write((PTR
)&nsp
,1, sizeof(nsp
), abfd
);
1249 /* Now output the strings. Be sure to put string length into correct
1250 * byte ordering before writing it.
1252 bfd_h_putlong (abfd
, stindex
, (unsigned char *)&stindex
);
1254 bfd_write((PTR
)&stindex
, 1, sizeof(stindex
), abfd
);
1256 generic
= bfd_get_outsymbols(abfd
);
1257 for (count
= 0; count
< bfd_get_symcount(abfd
); count
++)
1259 asymbol
*g
= *(generic
++);
1261 if (g
->name
!= (char *)NULL
)
1263 size_t length
= strlen(g
->name
)+1;
1264 bfd_write((PTR
)g
->name
, 1, length
, abfd
);
1266 if ((g
->flags
& BSF_FAKE
)==0) {
1267 g
->name
= itos(count
); /* smash the generic symbol */
1274 DEFUN(sunos4_reclaim_symbol_table
,(abfd
),
1281 sunos4_get_symtab_upper_bound (abfd
)
1284 if (!sunos4_slurp_symbol_table (abfd
)) return 0;
1286 return (bfd_get_symcount (abfd
)+1) * (sizeof (aout_symbol_type
*));
1290 sunos4_get_symtab (abfd
, location
)
1294 unsigned int counter
= 0;
1295 aout_symbol_type
*symbase
;
1297 if (!sunos4_slurp_symbol_table (abfd
)) return 0;
1299 for (symbase
= obj_aout_symbols(abfd
); counter
++ < bfd_get_symcount (abfd
);)
1300 *(location
++) = (asymbol
*)( symbase
++);
1302 return bfd_get_symcount(abfd
);
1306 /* Standard reloc stuff */
1307 /* Output standard relocation information to a file in target byte order. */
1310 swap_std_reloc_out (abfd
, p
, natptr
, count
)
1312 arelent
**p
; /* Generic relocation struct */
1313 struct reloc_std_bytes
*natptr
;
1318 unsigned int r_length
;
1320 int r_baserel
, r_jmptable
, r_relative
;
1321 unsigned int r_addend
;
1323 for (idx
= 0; idx
< count
; idx
++, p
++, natptr
++)
1326 bfd_h_putlong (abfd
, g
->address
, natptr
->r_address
);
1328 r_length
= g
->howto
->size
; /* Size as a power of two */
1329 r_pcrel
= (int) g
->howto
->pc_relative
; /* Relative to PC? */
1330 /* r_baserel, r_jmptable, r_relative??? FIXME-soon */
1335 r_addend
= g
->addend
; /* Start here, see how it goes */
1337 /* name was clobbered by sunos4_write_syms to be symbol index */
1339 if (g
->sym_ptr_ptr
!= NULL
)
1341 if ((*(g
->sym_ptr_ptr
))->section
) {
1342 /* put the section offset into the addend for output */
1343 r_addend
+= (*(g
->sym_ptr_ptr
))->section
->vma
;
1346 r_index
= stoi((*(g
->sym_ptr_ptr
))->name
);
1351 if (g
->section
== NULL
) {
1353 r_index
= N_ABS
| N_EXT
;
1355 else if(g
->section
->output_section
== obj_textsec(abfd
)) {
1356 r_index
= N_TEXT
| N_EXT
;
1357 r_addend
+= g
->section
->output_section
->vma
;
1359 else if (g
->section
->output_section
== obj_datasec(abfd
)) {
1360 r_index
= N_DATA
| N_EXT
;
1361 r_addend
+= g
->section
->output_section
->vma
;
1363 else if (g
->section
->output_section
== obj_bsssec(abfd
)) {
1364 r_index
= N_BSS
| N_EXT
;
1365 r_addend
+= g
->section
->output_section
->vma
;
1372 /* now the fun stuff */
1373 if (abfd
->xvec
->header_byteorder_big_p
!= false) {
1374 natptr
->r_index
[0] = r_index
>> 16;
1375 natptr
->r_index
[1] = r_index
>> 8;
1376 natptr
->r_index
[2] = r_index
;
1378 (r_extern
? RELOC_STD_BITS_EXTERN_BIG
: 0)
1379 | (r_pcrel
? RELOC_STD_BITS_PCREL_BIG
: 0)
1380 | (r_baserel
? RELOC_STD_BITS_BASEREL_BIG
: 0)
1381 | (r_jmptable
? RELOC_STD_BITS_JMPTABLE_BIG
: 0)
1382 | (r_relative
? RELOC_STD_BITS_RELATIVE_BIG
: 0)
1383 | (r_length
<< RELOC_STD_BITS_LENGTH_SH_BIG
);
1385 natptr
->r_index
[2] = r_index
>> 16;
1386 natptr
->r_index
[1] = r_index
>> 8;
1387 natptr
->r_index
[0] = r_index
;
1389 (r_extern
? RELOC_STD_BITS_EXTERN_LITTLE
: 0)
1390 | (r_pcrel
? RELOC_STD_BITS_PCREL_LITTLE
: 0)
1391 | (r_baserel
? RELOC_STD_BITS_BASEREL_LITTLE
: 0)
1392 | (r_jmptable
? RELOC_STD_BITS_JMPTABLE_LITTLE
: 0)
1393 | (r_relative
? RELOC_STD_BITS_RELATIVE_LITTLE
: 0)
1394 | (r_length
<< RELOC_STD_BITS_LENGTH_SH_LITTLE
);
1402 /* Extended stuff */
1403 /* Output extended relocation information to a file in target byte order. */
1406 swap_ext_reloc_out (abfd
, p
, natptr
, count
)
1408 arelent
**p
; /* Generic relocation struct */
1409 register struct reloc_ext_bytes
*natptr
;
1415 unsigned int r_type
;
1416 unsigned int r_addend
;
1418 for (idx
= 0; idx
< count
; idx
++, p
++, natptr
++) {
1421 bfd_h_putlong (abfd
, g
->address
, natptr
->r_address
);
1423 /* Find a type in the output format which matches the input howto -
1424 at the moment we assume input format == output format FIXME!! */
1425 r_type
= (enum reloc_type
) g
->howto
->type
;
1427 r_addend
= g
->addend
; /* Start here, see how it goes */
1429 /* name was clobbered by sunos4_write_syms to be symbol index*/
1431 if (g
->sym_ptr_ptr
!= NULL
)
1433 if ((*(g
->sym_ptr_ptr
))->section
) {
1434 /* put the section offset into the addend for output */
1435 r_addend
+= (*(g
->sym_ptr_ptr
))->section
->vma
;
1438 r_index
= stoi((*(g
->sym_ptr_ptr
))->name
);
1443 if (g
->section
== NULL
) {
1445 r_index
= N_ABS
| N_EXT
;
1447 else if(g
->section
->output_section
== obj_textsec(abfd
)) {
1448 r_index
= N_TEXT
| N_EXT
;
1449 r_addend
+= g
->section
->output_section
->vma
;
1451 else if (g
->section
->output_section
== obj_datasec(abfd
)) {
1452 r_index
= N_DATA
| N_EXT
;
1453 r_addend
+= g
->section
->output_section
->vma
;
1455 else if (g
->section
->output_section
== obj_bsssec(abfd
)) {
1456 r_index
= N_BSS
| N_EXT
;
1457 r_addend
+= g
->section
->output_section
->vma
;
1464 /* now the fun stuff */
1465 if (abfd
->xvec
->header_byteorder_big_p
!= false) {
1466 natptr
->r_index
[0] = r_index
>> 16;
1467 natptr
->r_index
[1] = r_index
>> 8;
1468 natptr
->r_index
[2] = r_index
;
1470 (r_extern
? RELOC_EXT_BITS_EXTERN_BIG
: 0)
1471 || (r_type
<< RELOC_EXT_BITS_TYPE_SH_BIG
);
1473 natptr
->r_index
[2] = r_index
>> 16;
1474 natptr
->r_index
[1] = r_index
>> 8;
1475 natptr
->r_index
[0] = r_index
;
1477 (r_extern
? RELOC_EXT_BITS_EXTERN_LITTLE
: 0)
1478 || (r_type
<< RELOC_EXT_BITS_TYPE_SH_LITTLE
);
1481 bfd_h_putlong (abfd
, r_addend
, natptr
->r_addend
);
1484 #define MOVE_ADDRESS(ad) \
1486 cache_ptr->sym_ptr_ptr = symbols + r_index; \
1487 cache_ptr->section = (asection *)NULL; \
1488 cache_ptr->addend = ad; \
1490 cache_ptr->sym_ptr_ptr = (asymbol **)NULL; \
1491 switch (r_index) { \
1493 case N_TEXT | N_EXT: \
1494 cache_ptr->section = obj_textsec(abfd); \
1495 cache_ptr->addend = ad - su->textsec->vma; \
1498 case N_DATA | N_EXT: \
1499 cache_ptr->section = obj_datasec(abfd); \
1500 cache_ptr->addend = ad - su->datasec->vma; \
1503 case N_BSS | N_EXT: \
1504 cache_ptr->section = obj_bsssec(abfd); \
1505 cache_ptr->addend = ad - su->bsssec->vma; \
1508 case N_ABS | N_EXT: \
1518 swap_ext_reloc_in (abfd
, bytes
, cache_ptr
, symbols
)
1520 struct reloc_ext_bytes
*bytes
;
1526 unsigned int r_type
;
1527 struct sunexdata
*su
= (struct sunexdata
*)(abfd
->tdata
);
1529 cache_ptr
->address
= bfd_h_getlong (abfd
, bytes
->r_address
);
1531 /* now the fun stuff */
1532 if (abfd
->xvec
->header_byteorder_big_p
!= false) {
1533 r_index
= (bytes
->r_index
[0] << 16)
1534 | (bytes
->r_index
[1] << 8)
1535 | bytes
->r_index
[2];
1536 r_extern
= (0 != (bytes
->r_bits
[0] & RELOC_EXT_BITS_EXTERN_BIG
));
1537 r_type
= (bytes
->r_bits
[0] & RELOC_EXT_BITS_TYPE_BIG
)
1538 >> RELOC_EXT_BITS_TYPE_SH_BIG
;
1540 r_index
= (bytes
->r_index
[2] << 16)
1541 | (bytes
->r_index
[1] << 8)
1542 | bytes
->r_index
[0];
1543 r_extern
= (0 != (bytes
->r_bits
[0] & RELOC_EXT_BITS_EXTERN_LITTLE
));
1544 r_type
= (bytes
->r_bits
[0] & RELOC_EXT_BITS_TYPE_LITTLE
)
1545 >> RELOC_EXT_BITS_TYPE_SH_LITTLE
;
1548 cache_ptr
->howto
= howto_table_ext
+ r_type
;
1549 MOVE_ADDRESS(bfd_h_getlong(abfd
,bytes
->r_addend
));
1554 swap_std_reloc_in (abfd
, bytes
, cache_ptr
, symbols
)
1556 struct reloc_std_bytes
*bytes
;
1562 unsigned int r_length
;
1564 int r_baserel
, r_jmptable
, r_relative
;
1565 struct sunexdata
*su
= (struct sunexdata
*)(abfd
->tdata
);
1566 cache_ptr
->address
= bfd_h_getlong (abfd
, bytes
->r_address
);
1568 /* now the fun stuff */
1569 if (abfd
->xvec
->header_byteorder_big_p
!= false) {
1570 r_index
= (bytes
->r_index
[0] << 16)
1571 | (bytes
->r_index
[1] << 8)
1572 | bytes
->r_index
[2];
1573 r_extern
= (0 != (bytes
->r_bits
[0] & RELOC_STD_BITS_EXTERN_BIG
));
1574 r_pcrel
= (0 != (bytes
->r_bits
[0] & RELOC_STD_BITS_PCREL_BIG
));
1575 r_baserel
= (0 != (bytes
->r_bits
[0] & RELOC_STD_BITS_BASEREL_BIG
));
1576 r_jmptable
= (0 != (bytes
->r_bits
[0] & RELOC_STD_BITS_JMPTABLE_BIG
));
1577 r_relative
= (0 != (bytes
->r_bits
[0] & RELOC_STD_BITS_RELATIVE_BIG
));
1578 r_length
= (bytes
->r_bits
[0] & RELOC_STD_BITS_LENGTH_BIG
)
1579 >> RELOC_STD_BITS_LENGTH_SH_BIG
;
1581 r_index
= (bytes
->r_index
[2] << 16)
1582 | (bytes
->r_index
[1] << 8)
1583 | bytes
->r_index
[0];
1584 r_extern
= (0 != (bytes
->r_bits
[0] & RELOC_STD_BITS_EXTERN_LITTLE
));
1585 r_pcrel
= (0 != (bytes
->r_bits
[0] & RELOC_STD_BITS_PCREL_LITTLE
));
1586 r_baserel
= (0 != (bytes
->r_bits
[0] & RELOC_STD_BITS_BASEREL_LITTLE
));
1587 r_jmptable
= (0 != (bytes
->r_bits
[0] & RELOC_STD_BITS_JMPTABLE_LITTLE
));
1588 r_relative
= (0 != (bytes
->r_bits
[0] & RELOC_STD_BITS_RELATIVE_LITTLE
));
1589 r_length
= (bytes
->r_bits
[0] & RELOC_STD_BITS_LENGTH_LITTLE
)
1590 >> RELOC_STD_BITS_LENGTH_SH_LITTLE
;
1593 cache_ptr
->howto
= howto_table_std
+ r_length
+ 4 * r_pcrel
;
1594 /* FIXME-soon: Roll baserel, jmptable, relative bits into howto setting */
1602 sunos4_slurp_reloc_table (abfd
, asect
, symbols
)
1610 arelent
*reloc_cache
;
1613 if (asect
->relocation
) return true;
1615 if (asect
->flags
& SEC_CONSTRUCTOR
) return true;
1617 if (asect
== obj_datasec (abfd
)) {
1618 reloc_size
= exec_hdr(abfd
)->a_drsize
;
1622 if (asect
== obj_textsec (abfd
)) {
1623 reloc_size
= exec_hdr(abfd
)->a_trsize
;
1627 bfd_error
= invalid_operation
;
1631 bfd_seek (abfd
, asect
->rel_filepos
, SEEK_SET
);
1632 each_size
= reloc_size_func(abfd
);
1634 count
= reloc_size
/ each_size
;
1637 reloc_cache
= (arelent
*) bfd_zalloc (abfd
, (size_t)(count
* sizeof
1639 relocs
= bfd_alloc (abfd
, reloc_size
);
1641 if (bfd_read ( relocs
, 1, reloc_size
, abfd
) != reloc_size
) {
1642 bfd_error
= system_call_error
;
1646 if (each_size
== RELOC_EXT_SIZE
)
1648 register struct reloc_ext_bytes
*rptr
= (struct reloc_ext_bytes
*) relocs
;
1649 unsigned int counter
= 0;
1650 arelent
*cache_ptr
= reloc_cache
;
1652 for (; counter
< count
; counter
++, rptr
++, cache_ptr
++) {
1653 swap_ext_reloc_in(abfd
, rptr
, cache_ptr
, symbols
);
1657 register struct reloc_std_bytes
*rptr
= (struct reloc_std_bytes
*) relocs
;
1658 unsigned int counter
= 0;
1659 arelent
*cache_ptr
= reloc_cache
;
1661 for (; counter
< count
; counter
++, rptr
++, cache_ptr
++) {
1662 swap_std_reloc_in(abfd
, rptr
, cache_ptr
, symbols
);
1666 bfd_release (abfd
,relocs
);
1667 asect
->relocation
= reloc_cache
;
1668 asect
->reloc_count
= count
;
1674 /* Write out a relocation section into an object file. */
1677 sunos4_squirt_out_relocs (abfd
, section
)
1682 unsigned char *native
;
1685 unsigned int count
= section
->reloc_count
;
1688 if (count
== 0) return true;
1690 each_size
= reloc_size_func(abfd
);
1691 natsize
= each_size
* count
;
1692 native
= (unsigned char *) bfd_zalloc (abfd
, natsize
);
1694 bfd_error
= no_memory
;
1698 generic
= section
->orelocation
;
1700 if (each_size
== RELOC_EXT_SIZE
)
1702 swap_ext_reloc_out (abfd
,
1704 (struct reloc_ext_bytes
*)native
,
1709 swap_std_reloc_out(abfd
, generic
, native
, count
);
1712 if ( bfd_write ((PTR
) native
, 1, natsize
, abfd
) != natsize
) {
1713 bfd_release(abfd
, native
);
1716 bfd_release (abfd
, native
);
1721 /* This is stupid. This function should be a boolean predicate */
1723 sunos4_canonicalize_reloc (abfd
, section
, relptr
, symbols
)
1729 arelent
*tblptr
= section
->relocation
;
1732 if (!(tblptr
|| sunos4_slurp_reloc_table (abfd
, section
, symbols
)))
1735 if (section
->flags
& SEC_CONSTRUCTOR
) {
1736 arelent_chain
*chain
= section
->constructor_chain
;
1737 for (count
= 0; count
< section
->reloc_count
; count
++) {
1738 *relptr
++ = &chain
->relent
;
1739 chain
= chain
->next
;
1743 tblptr
= section
->relocation
;
1744 if (!tblptr
) return 0;
1746 for (count
= 0; count
++ < section
->reloc_count
;)
1748 *relptr
++ = tblptr
++;
1753 return section
->reloc_count
;
1757 sunos4_get_reloc_upper_bound (abfd
, asect
)
1761 if (bfd_get_format (abfd
) != bfd_object
) {
1762 bfd_error
= invalid_operation
;
1765 if (asect
->flags
& SEC_CONSTRUCTOR
) {
1766 return (sizeof (arelent
*) * (asect
->reloc_count
+1));
1770 if (asect
== obj_datasec (abfd
))
1771 return (sizeof (arelent
*) *
1772 ((exec_hdr(abfd
)->a_drsize
/ reloc_size_func(abfd
))
1775 if (asect
== obj_textsec (abfd
))
1776 return (sizeof (arelent
*) *
1777 ((exec_hdr(abfd
)->a_trsize
/ reloc_size_func(abfd
))
1780 bfd_error
= invalid_operation
;
1785 sunos4_reclaim_reloc (ignore_abfd
, section
)
1794 sunos4_get_lineno(ignore_abfd
, ignore_symbol
)
1798 return (alent
*)NULL
;
1802 sunos4_print_symbol(ignore_abfd
, file
, symbol
, how
)
1806 bfd_print_symbol_enum_type how
;
1809 case bfd_print_symbol_name_enum
:
1810 fprintf(file
,"%s", symbol
->name
);
1812 case bfd_print_symbol_type_enum
:
1813 fprintf(file
,"%4x %2x %2x",(unsigned)(aout_symbol(symbol
)->desc
& 0xffff),
1814 (unsigned)( aout_symbol(symbol
)->other
& 0xff),
1815 (unsigned)(aout_symbol(symbol
)->type
));
1817 case bfd_print_symbol_all_enum
:
1819 CONST
char *section_name
= symbol
->section
== (asection
*)NULL
?
1820 "*abs" : symbol
->section
->name
;
1822 bfd_print_symbol_vandf((PTR
)file
,symbol
);
1824 fprintf(file
," %-5s %04x %02x %02x %s",
1826 (unsigned)(aout_symbol(symbol
)->desc
& 0xffff),
1827 (unsigned)(aout_symbol(symbol
)->other
& 0xff),
1828 (unsigned)(aout_symbol(symbol
)->type
& 0xff),
1834 /* Once we know all the stuff that could be consed, we know how to clean
1835 it up. So why don't we? */
1838 sunos4_close_and_cleanup (abfd
)
1841 if (!bfd_read_p (abfd
))
1842 switch (abfd
->format
) {
1844 if (!_bfd_write_archive_contents (abfd
)) return false; break;
1846 if (!sunos4_write_object_contents (abfd
)) return false; break;
1847 default: bfd_error
= invalid_operation
; return false;
1854 provided a bfd, a section and an offset into the section, calculate
1855 and return the name of the source file and the line nearest to the
1860 DEFUN(sunos4_find_nearest_line
,(abfd
,
1868 asection
*section AND
1869 asymbol
**symbols AND
1871 CONST
char **filename_ptr AND
1872 CONST
char **functionname_ptr AND
1873 unsigned int *line_ptr
)
1875 /* Run down the file looking for the filename, function and linenumber */
1877 static char buffer
[100];
1878 bfd_vma high_line_vma
= ~0;
1879 bfd_vma low_func_vma
= 0;
1881 *filename_ptr
= abfd
->filename
;
1882 *functionname_ptr
= 0;
1884 if (symbols
!= (asymbol
**)NULL
) {
1885 for (p
= symbols
; *p
; p
++) {
1886 aout_symbol_type
*q
= (aout_symbol_type
*)(*p
);
1889 *filename_ptr
= q
->symbol
.name
;
1890 if (obj_textsec(abfd
) != section
) {
1898 /* We'll keep this if it resolves nearer than the one we have already */
1899 if (q
->symbol
.value
>= offset
&&
1900 q
->symbol
.value
< high_line_vma
) {
1901 *line_ptr
= q
->desc
;
1902 high_line_vma
= q
->symbol
.value
;
1907 /* We'll keep this if it is nearer than the one we have already */
1908 if (q
->symbol
.value
>= low_func_vma
&&
1909 q
->symbol
.value
<= offset
) {
1910 low_func_vma
= q
->symbol
.value
;
1911 func
= (asymbol
*)q
;
1913 if (*line_ptr
&& func
) {
1914 CONST
char *function
= func
->name
;
1916 strncpy(buffer
, function
, sizeof(buffer
)-1);
1917 buffer
[sizeof(buffer
)-1] = 0;
1918 /* Have to remove : stuff */
1919 p
= strchr(buffer
,':');
1920 if (p
!= NULL
) {*p
= NULL
; }
1921 *functionname_ptr
= buffer
;
1936 DEFUN(sunos4_sizeof_headers
,(abfd
),
1942 #define sunos4_openr_next_archived_file bfd_generic_openr_next_archived_file
1943 #define sunos4_generic_stat_arch_elt bfd_generic_stat_arch_elt
1944 #define sunos4_slurp_armap bfd_slurp_bsd_armap
1945 #define sunos4_slurp_extended_name_table bfd_true
1946 #define sunos4_write_armap bsd_write_armap
1947 #define sunos4_truncate_arname bfd_bsd_truncate_arname
1948 bfd_target aout_big_vec
=
1950 "a.out-generic-big", /* name */
1951 bfd_target_aout_flavour_enum
,
1952 true, /* target byte order */
1953 true, /* target headers byte order */
1954 (HAS_RELOC
| EXEC_P
| /* object flags */
1955 HAS_LINENO
| HAS_DEBUG
|
1956 HAS_SYMS
| HAS_LOCALS
| DYNAMIC
| WP_TEXT
| D_PAGED
),
1957 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
), /* section flags */
1958 ' ', /* ar_pad_char */
1959 16, /* ar_max_namelen */
1960 _do_getblong
, _do_putblong
, _do_getbshort
, _do_putbshort
, /* data */
1961 _do_getblong
, _do_putblong
, _do_getbshort
, _do_putbshort
, /* hdrs */
1963 {_bfd_dummy_target
, sunos4_object_p
,
1964 bfd_generic_archive_p
, sunos4_core_file_p
},
1965 {bfd_false
, sunos4_mkobject
,
1966 _bfd_generic_mkarchive
, bfd_false
},
1972 bfd_target aout_little_vec
=
1974 "a.out-generic-little", /* name */
1975 bfd_target_aout_flavour_enum
,
1976 false, /* target byte order */
1977 false, /* target headers byte order */
1978 (HAS_RELOC
| EXEC_P
| /* object flags */
1979 HAS_LINENO
| HAS_DEBUG
|
1980 HAS_SYMS
| HAS_LOCALS
| DYNAMIC
| WP_TEXT
| D_PAGED
),
1981 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
), /* section flags */
1982 ' ', /* ar_pad_char */
1983 16, /* ar_max_namelen */
1984 _do_getllong
, _do_putllong
, _do_getlshort
, _do_putlshort
, /* data */
1985 _do_getllong
, _do_putllong
, _do_getlshort
, _do_putlshort
, /* hdrs */
1988 {_bfd_dummy_target
, sunos4_object_p
,
1989 bfd_generic_archive_p
, sunos4_core_file_p
},
1990 {bfd_false
, sunos4_mkobject
,
1991 _bfd_generic_mkarchive
, bfd_false
},