1 /* BFD back-end for TMS320C30 a.out binaries.
2 Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
3 Contributed by Steven Haworth (steve@pm.cse.rmit.edu.au)
5 This file is part of BFD, the Binary File Descriptor library.
7 This program 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 2 of the License, or
10 (at your option) any later version.
12 This program 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 this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
22 #define TARGET_IS_BIG_ENDIAN_P
23 #define N_HEADER_IN_TEXT(x) 1
24 #define BYTES_IN_WORD 4
25 #define TEXT_START_ADDR 1024
26 #define TARGET_PAGE_SIZE 128
27 #define SEGMENT_SIZE TARGET_PAGE_SIZE
28 #define DEFAULT_ARCH bfd_arch_tic30
31 /* Do not "beautify" the CONCAT* macro args. Traditional C will not
32 remove whitespace added here, and thus will fail to concatenate
34 #define MY(OP) CONCAT2 (tic30_aout_,OP)
35 #define TARGETNAME "a.out-tic30"
36 #define NAME(x,y) CONCAT3 (tic30_aout,_32_,y)
42 #include "aout/aout64.h"
43 #include "aout/stab_gnu.h"
46 static bfd_reloc_status_type tic30_aout_fix_16
47 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
48 static bfd_reloc_status_type tic30_aout_fix_32
49 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
50 static bfd_reloc_status_type tic30_aout_fix_pcrel_16
51 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
52 static reloc_howto_type *tic30_aout_reloc_howto
53 PARAMS ((bfd *, struct reloc_std_external *, int *, int *, int *));
54 static bfd_reloc_status_type tic30_aout_relocate_contents
55 PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
56 static bfd_reloc_status_type tic30_aout_final_link_relocate
57 PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma,
59 static const bfd_target *tic30_aout_object_p PARAMS ((bfd *));
60 static boolean tic30_aout_write_object_contents PARAMS ((bfd *));
61 static boolean tic30_aout_set_sizes PARAMS ((bfd *));
62 static const bfd_target * tic30_aout_callback PARAMS ((bfd *));
63 static boolean MY_bfd_copy_private_section_data
64 PARAMS ((bfd *, asection *, bfd *, asection *));
65 static boolean MY_bfd_final_link PARAMS ((bfd *, struct bfd_link_info *));
66 reloc_howto_type * tic30_aout_reloc_type_lookup
67 PARAMS ((bfd *, bfd_reloc_code_real_type));
68 enum machine_type tic30_aout_machine_type
69 PARAMS ((enum bfd_architecture, unsigned long, boolean *));
70 boolean tic30_aout_set_arch_mach
71 PARAMS ((bfd *, enum bfd_architecture, unsigned long));
73 #define MY_reloc_howto(BFD, REL, IN, EX, PC) \
74 tic30_aout_reloc_howto(BFD, REL, &IN, &EX, &PC)
75 #define MY_final_link_relocate tic30_aout_final_link_relocate
76 #define MY_object_p tic30_aout_object_p
77 #define MY_mkobject NAME(aout,mkobject)
78 #define MY_write_object_contents tic30_aout_write_object_contents
79 #define MY_set_sizes tic30_aout_set_sizes
81 #ifndef MY_exec_hdr_flags
82 #define MY_exec_hdr_flags 1
85 #ifndef MY_backend_data
87 #ifndef MY_zmagic_contiguous
88 #define MY_zmagic_contiguous 0
90 #ifndef MY_text_includes_header
91 #define MY_text_includes_header 0
93 #ifndef MY_entry_is_text_address
94 #define MY_entry_is_text_address 0
96 #ifndef MY_exec_header_not_counted
97 #define MY_exec_header_not_counted 1
99 #ifndef MY_add_dynamic_symbols
100 #define MY_add_dynamic_symbols 0
102 #ifndef MY_add_one_symbol
103 #define MY_add_one_symbol 0
105 #ifndef MY_link_dynamic_object
106 #define MY_link_dynamic_object 0
108 #ifndef MY_write_dynamic_symbol
109 #define MY_write_dynamic_symbol 0
111 #ifndef MY_check_dynamic_reloc
112 #define MY_check_dynamic_reloc 0
114 #ifndef MY_finish_dynamic_link
115 #define MY_finish_dynamic_link 0
118 static const struct aout_backend_data tic30_aout_backend_data =
120 MY_zmagic_contiguous,
121 MY_text_includes_header,
122 MY_entry_is_text_address,
126 MY_exec_header_not_counted,
127 MY_add_dynamic_symbols,
129 MY_link_dynamic_object,
130 MY_write_dynamic_symbol,
131 MY_check_dynamic_reloc,
132 MY_finish_dynamic_link
134 #define MY_backend_data &tic30_aout_backend_data
137 /* FIXME: This is wrong. aoutx.h should really only be included by
142 /* This table lists the relocation types for the TMS320C30. There are
143 only a few relocations required, and all must be divided by 4 (>>
144 2) to get the 32-bit addresses in the format the TMS320C30 likes
146 reloc_howto_type tic30_aout_howto_table[] =
149 HOWTO (1, 2, 1, 16, false, 0, 0, tic30_aout_fix_16,
150 "16", false, 0x0000FFFF, 0x0000FFFF, false),
151 HOWTO (2, 2, 2, 24, false, 0, complain_overflow_bitfield, NULL,
152 "24", false, 0x00FFFFFF, 0x00FFFFFF, false),
153 HOWTO (3, 18, 3, 24, false, 0, complain_overflow_bitfield, NULL,
154 "LDP", false, 0x00FF0000, 0x000000FF, false),
155 HOWTO (4, 2, 4, 32, false, 0, complain_overflow_bitfield, tic30_aout_fix_32,
156 "32", false, 0xFFFFFFFF, 0xFFFFFFFF, false),
157 HOWTO (5, 2, 1, 16, true, 0, complain_overflow_signed,
158 tic30_aout_fix_pcrel_16, "PCREL", true, 0x0000FFFF, 0x0000FFFF, true),
166 extern reloc_howto_type *NAME (aout, reloc_type_lookup)
167 PARAMS ((bfd *, bfd_reloc_code_real_type));
170 tic30_aout_reloc_type_lookup (abfd, code)
171 bfd *abfd ATTRIBUTE_UNUSED;
172 bfd_reloc_code_real_type code;
177 case BFD_RELOC_TIC30_LDP:
178 return &tic30_aout_howto_table[3];
180 return &tic30_aout_howto_table[1];
182 return &tic30_aout_howto_table[2];
183 case BFD_RELOC_16_PCREL:
184 return &tic30_aout_howto_table[5];
186 return &tic30_aout_howto_table[4];
188 return (reloc_howto_type *) NULL;
192 static reloc_howto_type *
193 tic30_aout_reloc_howto (abfd, relocs, r_index, r_extern, r_pcrel)
195 struct reloc_std_external *relocs;
200 unsigned int r_length;
201 unsigned int r_pcrel_done;
205 if (bfd_header_big_endian (abfd))
207 *r_index = ((relocs->r_index[0] << 16) | (relocs->r_index[1] << 8) | relocs->r_index[2]);
208 *r_extern = (0 != (relocs->r_type[0] & RELOC_STD_BITS_EXTERN_BIG));
209 r_pcrel_done = (0 != (relocs->r_type[0] & RELOC_STD_BITS_PCREL_BIG));
210 r_length = ((relocs->r_type[0] & RELOC_STD_BITS_LENGTH_BIG) >> RELOC_STD_BITS_LENGTH_SH_BIG);
214 *r_index = ((relocs->r_index[2] << 16) | (relocs->r_index[1] << 8) | relocs->r_index[0]);
215 *r_extern = (0 != (relocs->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE));
216 r_pcrel_done = (0 != (relocs->r_type[0] & RELOC_STD_BITS_PCREL_LITTLE));
217 r_length = ((relocs->r_type[0] & RELOC_STD_BITS_LENGTH_LITTLE) >> RELOC_STD_BITS_LENGTH_SH_LITTLE);
219 index = r_length + 4 * r_pcrel_done;
220 return tic30_aout_howto_table + index;
223 /* This function is used as a callback for 16-bit relocs. This is
224 required for relocations between segments. A line in aoutx.h
225 requires that any relocations for the data section should point to
226 the end of the aligned text section, plus an offset. By default,
227 this does not happen, therefore this function takes care of
230 static bfd_reloc_status_type
231 tic30_aout_fix_16 (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message)
233 arelent *reloc_entry;
236 asection *input_section ATTRIBUTE_UNUSED;
238 char **error_message ATTRIBUTE_UNUSED;
242 /* Make sure that the symbol's section is defined. */
243 if (symbol->section == &bfd_und_section && (symbol->flags & BSF_WEAK) == 0)
244 return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined;
245 /* Get the size of the input section and turn it into the TMS320C30
246 32-bit address format. */
247 relocation = (symbol->section->vma >> 2);
248 relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address);
249 bfd_put_16 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
253 /* This function does the same thing as tic30_aout_fix_16 except for 32
256 static bfd_reloc_status_type
257 tic30_aout_fix_32 (abfd, reloc_entry, symbol, data, input_section,
258 output_bfd, error_message)
260 arelent *reloc_entry;
263 asection *input_section ATTRIBUTE_UNUSED;
265 char **error_message ATTRIBUTE_UNUSED;
269 /* Make sure that the symbol's section is defined. */
270 if (symbol->section == &bfd_und_section && (symbol->flags & BSF_WEAK) == 0)
271 return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined;
272 /* Get the size of the input section and turn it into the TMS320C30
273 32-bit address format. */
274 relocation = (symbol->section->vma >> 2);
275 relocation += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
276 bfd_put_32 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
280 /* This function is used to work out pc-relative offsets for the
281 TMS320C30. The data already placed by md_pcrel_from within gas is
282 useless for a relocation, so we just get the offset value and place
283 a version of this within the object code.
284 tic30_aout_final_link_relocate will then calculate the required
285 relocation to add on to the value in the object code. */
287 static bfd_reloc_status_type
288 tic30_aout_fix_pcrel_16 (abfd, reloc_entry, symbol, data, input_section,
289 output_bfd, error_message)
291 arelent *reloc_entry;
292 asymbol *symbol ATTRIBUTE_UNUSED;
294 asection *input_section ATTRIBUTE_UNUSED;
295 bfd *output_bfd ATTRIBUTE_UNUSED;
296 char **error_message ATTRIBUTE_UNUSED;
298 bfd_vma relocation = 1;
299 bfd_byte offset_data = bfd_get_8 (abfd, (bfd_byte *) data + reloc_entry->address - 1);
301 /* The byte before the location of the fix contains bits 23-16 of
302 the pcrel instruction. Bit 21 is set for a delayed instruction
303 which requires on offset of 3 instead of 1. */
304 if (offset_data & 0x20)
308 bfd_put_16 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
312 /* These macros will get 24-bit values from the bfd definition.
314 #define bfd_getb_24(BFD,ADDR) \
315 (bfd_get_8 (BFD, ADDR ) << 16) | \
316 (bfd_get_8 (BFD, ADDR + 1) << 8) | \
317 (bfd_get_8 (BFD, ADDR + 2) )
319 #define bfd_putb_24(BFD,DATA,ADDR) \
320 bfd_put_8 (BFD, (bfd_byte) ((DATA >> 16) & 0xFF), ADDR ); \
321 bfd_put_8 (BFD, (bfd_byte) ((DATA >> 8) & 0xFF), ADDR + 1); \
322 bfd_put_8 (BFD, (bfd_byte) ( DATA & 0xFF), ADDR + 2)
324 /* Set parameters about this a.out file that are machine-dependent.
325 This routine is called from some_aout_object_p just before it returns. */
327 static const bfd_target *
328 tic30_aout_callback (abfd)
331 struct internal_exec *execp = exec_hdr (abfd);
332 unsigned int arch_align_power;
333 unsigned long arch_align;
335 /* Calculate the file positions of the parts of a newly read aout header. */
336 obj_textsec (abfd)->_raw_size = N_TXTSIZE (*execp);
338 /* The virtual memory addresses of the sections. */
339 obj_textsec (abfd)->vma = N_TXTADDR (*execp);
340 obj_datasec (abfd)->vma = N_DATADDR (*execp);
341 obj_bsssec (abfd)->vma = N_BSSADDR (*execp);
343 obj_textsec (abfd)->lma = obj_textsec (abfd)->vma;
344 obj_datasec (abfd)->lma = obj_datasec (abfd)->vma;
345 obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma;
347 /* The file offsets of the sections. */
348 obj_textsec (abfd)->filepos = N_TXTOFF (*execp);
349 obj_datasec (abfd)->filepos = N_DATOFF (*execp);
351 /* The file offsets of the relocation info. */
352 obj_textsec (abfd)->rel_filepos = N_TRELOFF (*execp);
353 obj_datasec (abfd)->rel_filepos = N_DRELOFF (*execp);
355 /* The file offsets of the string table and symbol table. */
356 obj_sym_filepos (abfd) = N_SYMOFF (*execp);
357 obj_str_filepos (abfd) = N_STROFF (*execp);
359 /* Determine the architecture and machine type of the object file. */
361 SET_ARCH_MACH (abfd, *execp);
363 bfd_default_set_arch_mach (abfd, DEFAULT_ARCH, 0L);
366 /* Now that we know the architecture, set the alignments of the
367 sections. This is normally done by NAME(aout,new_section_hook),
368 but when the initial sections were created the architecture had
369 not yet been set. However, for backward compatibility, we don't
370 set the alignment power any higher than as required by the size
372 arch_align_power = bfd_get_arch_info (abfd)->section_align_power;
373 arch_align = 1 << arch_align_power;
374 if ((BFD_ALIGN (obj_textsec (abfd)->_raw_size, arch_align)
375 == obj_textsec (abfd)->_raw_size)
376 && (BFD_ALIGN (obj_datasec (abfd)->_raw_size, arch_align)
377 == obj_datasec (abfd)->_raw_size)
378 && (BFD_ALIGN (obj_bsssec (abfd)->_raw_size, arch_align)
379 == obj_bsssec (abfd)->_raw_size))
381 obj_textsec (abfd)->alignment_power = arch_align_power;
382 obj_datasec (abfd)->alignment_power = arch_align_power;
383 obj_bsssec (abfd)->alignment_power = arch_align_power;
388 static bfd_reloc_status_type
389 tic30_aout_final_link_relocate (howto, input_bfd, input_section, contents,
390 address, value, addend)
391 reloc_howto_type *howto;
393 asection *input_section;
401 if (address > input_section->_raw_size)
402 return bfd_reloc_outofrange;
404 relocation = value + addend;
405 if (howto->pc_relative)
407 relocation -= (input_section->output_section->vma + input_section->output_offset);
408 if (howto->pcrel_offset)
409 relocation -= address;
411 return tic30_aout_relocate_contents (howto, input_bfd, relocation,
415 bfd_reloc_status_type
416 tic30_aout_relocate_contents (howto, input_bfd, relocation, location)
417 reloc_howto_type *howto;
426 relocation = -relocation;
435 x = bfd_get_16 (input_bfd, location);
438 x = bfd_getb_24 (input_bfd, location);
441 x = bfd_get_8 (input_bfd, location);
444 x = bfd_get_32 (input_bfd, location);
450 if (howto->complain_on_overflow != complain_overflow_dont)
453 bfd_signed_vma signed_check;
455 bfd_signed_vma signed_add;
457 if (howto->rightshift == 0)
460 signed_check = (bfd_signed_vma) relocation;
464 check = relocation >> howto->rightshift;
465 if ((bfd_signed_vma) relocation >= 0)
466 signed_check = check;
468 signed_check = (check | ((bfd_vma) - 1 & ~((bfd_vma) - 1 >> howto->rightshift)));
470 add = x & howto->src_mask;
472 if ((add & (((~howto->src_mask) >> 1) & howto->src_mask)) != 0)
473 signed_add -= (((~howto->src_mask) >> 1) & howto->src_mask) << 1;
474 if (howto->bitpos == 0)
477 signed_check += signed_add;
481 check += add >> howto->bitpos;
483 signed_check += add >> howto->bitpos;
485 signed_check += ((add >> howto->bitpos) | ((bfd_vma) - 1 & ~((bfd_vma) - 1 >> howto->bitpos)));
487 switch (howto->complain_on_overflow)
489 case complain_overflow_signed:
491 bfd_signed_vma reloc_signed_max = (1 << (howto->bitsize - 1)) - 1;
492 bfd_signed_vma reloc_signed_min = ~reloc_signed_max;
493 if (signed_check > reloc_signed_max || signed_check < reloc_signed_min)
497 case complain_overflow_unsigned:
499 bfd_vma reloc_unsigned_max = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
500 if (check > reloc_unsigned_max)
504 case complain_overflow_bitfield:
506 bfd_vma reloc_bits = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
507 if ((check & ~reloc_bits) != 0
508 && (((bfd_vma) signed_check & ~reloc_bits)
509 != ((bfd_vma) -1 & ~reloc_bits)))
517 relocation >>= (bfd_vma) howto->rightshift;
518 relocation <<= (bfd_vma) howto->bitpos;
519 x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask));
527 bfd_put_16 (input_bfd, x, location);
530 bfd_putb_24 (input_bfd, x, location);
533 bfd_put_8 (input_bfd, x, location);
536 bfd_put_32 (input_bfd, x, location);
539 return overflow ? bfd_reloc_overflow : bfd_reloc_ok;
542 /* Finish up the reading of an a.out file header. */
544 static const bfd_target *
545 tic30_aout_object_p (abfd)
548 struct external_exec exec_bytes; /* Raw exec header from file. */
549 struct internal_exec exec; /* Cleaned-up exec header. */
550 const bfd_target *target;
551 bfd_size_type amt = EXEC_BYTES_SIZE;
553 if (bfd_bread ((PTR) &exec_bytes, amt, abfd) != amt)
555 if (bfd_get_error () != bfd_error_system_call)
556 bfd_set_error (bfd_error_wrong_format);
561 exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
563 exec.a_info = H_GET_32 (abfd, exec_bytes.e_info);
564 #endif /* SWAP_MAGIC */
569 if (!(MACHTYPE_OK (N_MACHTYPE (exec))))
573 NAME (aout, swap_exec_header_in) (abfd, &exec_bytes, &exec);
576 /* swap_exec_header_in read in a_info with the wrong byte order */
577 exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
578 #endif /* SWAP_MAGIC */
580 target = NAME (aout, some_aout_object_p) (abfd, &exec, tic30_aout_callback);
582 #ifdef ENTRY_CAN_BE_ZERO
583 /* The NEWSOS3 entry-point is/was 0, which (amongst other lossage)
584 means that it isn't obvious if EXEC_P should be set.
585 All of the following must be true for an executable:
586 There must be no relocations, the bfd can be neither an
587 archive nor an archive element, and the file must be executable. */
589 if (exec.a_trsize + exec.a_drsize == 0
590 && bfd_get_format (abfd) == bfd_object && abfd->my_archive == NULL)
594 #define S_IXUSR 0100 /* Execute by owner. */
596 if (stat (abfd->filename, &buf) == 0 && (buf.st_mode & S_IXUSR))
597 abfd->flags |= EXEC_P;
599 #endif /* ENTRY_CAN_BE_ZERO */
604 /* Copy private section data. This actually does nothing with the
605 sections. It copies the subformat field. We copy it here, because
606 we need to know whether this is a QMAGIC file before we set the
607 section contents, and copy_private_bfd_data is not called until
608 after the section contents have been set. */
611 MY_bfd_copy_private_section_data (ibfd, isec, obfd, osec)
613 asection *isec ATTRIBUTE_UNUSED;
615 asection *osec ATTRIBUTE_UNUSED;
617 if (bfd_get_flavour (obfd) == bfd_target_aout_flavour)
618 obj_aout_subformat (obfd) = obj_aout_subformat (ibfd);
622 /* Write an object file.
623 Section contents have already been written. We write the
624 file header, symbols, and relocation. */
627 tic30_aout_write_object_contents (abfd)
630 struct external_exec exec_bytes;
631 struct internal_exec *execp = exec_hdr (abfd);
633 obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
636 bfd_size_type text_size; /* Dummy vars. */
639 if (adata (abfd).magic == undecided_magic)
640 NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end);
642 execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE;
643 execp->a_entry = bfd_get_start_address (abfd);
645 execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * obj_reloc_entry_size (abfd));
646 execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * obj_reloc_entry_size (abfd));
647 NAME (aout, swap_exec_header_out) (abfd, execp, &exec_bytes);
649 if (adata (abfd).exec_bytes_size > 0)
652 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
654 amt = adata (abfd).exec_bytes_size;
655 if (bfd_bwrite ((PTR) &exec_bytes, amt, abfd) != amt)
659 /* Now write out reloc info, followed by syms and strings. */
660 if (bfd_get_outsymbols (abfd) != (asymbol **) NULL
661 && bfd_get_symcount (abfd) != 0)
663 if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*execp)), SEEK_SET) != 0)
666 if (!NAME (aout, write_syms) (abfd))
670 if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (*execp)), SEEK_SET) != 0)
672 if (!NAME (aout, squirt_out_relocs) (abfd, obj_textsec (abfd)))
675 if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (*execp)), SEEK_SET) != 0)
677 if (!NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd)))
685 tic30_aout_set_sizes (abfd)
688 adata (abfd).page_size = TARGET_PAGE_SIZE;
691 adata (abfd).segment_size = SEGMENT_SIZE;
693 adata (abfd).segment_size = TARGET_PAGE_SIZE;
696 #ifdef ZMAGIC_DISK_BLOCK_SIZE
697 adata (abfd).zmagic_disk_block_size = ZMAGIC_DISK_BLOCK_SIZE;
699 adata (abfd).zmagic_disk_block_size = TARGET_PAGE_SIZE;
702 adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE;
707 #ifndef MY_final_link_callback
709 /* Callback for the final_link routine to set the section offsets. */
711 static void MY_final_link_callback
712 PARAMS ((bfd *, file_ptr *, file_ptr *, file_ptr *));
715 MY_final_link_callback (abfd, ptreloff, pdreloff, psymoff)
721 struct internal_exec *execp = exec_hdr (abfd);
723 *ptreloff = obj_datasec (abfd)->filepos + execp->a_data;
724 *pdreloff = *ptreloff + execp->a_trsize;
725 *psymoff = *pdreloff + execp->a_drsize;;
730 #ifndef MY_bfd_final_link
732 /* Final link routine. We need to use a call back to get the correct
733 offsets in the output file. */
736 MY_bfd_final_link (abfd, info)
738 struct bfd_link_info *info;
740 struct internal_exec *execp = exec_hdr (abfd);
745 /* Set the executable header size to 0, as we don't want one for an
747 adata (abfd).exec_bytes_size = 0;
748 pos = adata (abfd).exec_bytes_size;
750 vma = info->create_object_symbols_section->vma;
752 obj_textsec (abfd)->filepos = pos;
753 obj_textsec (abfd)->vma = vma;
754 obj_textsec (abfd)->user_set_vma = 1;
755 pos += obj_textsec (abfd)->_raw_size;
756 vma += obj_textsec (abfd)->_raw_size;
759 if (abfd->flags & D_PAGED)
761 if (info->create_object_symbols_section->next->vma > 0)
762 obj_datasec (abfd)->vma = info->create_object_symbols_section->next->vma;
764 obj_datasec (abfd)->vma = BFD_ALIGN (vma, adata (abfd).segment_size);
768 obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
771 if (obj_datasec (abfd)->vma < vma)
772 obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
774 obj_datasec (abfd)->user_set_vma = 1;
775 vma = obj_datasec (abfd)->vma;
776 obj_datasec (abfd)->filepos = vma + adata (abfd).exec_bytes_size;
777 execp->a_text = vma - obj_textsec (abfd)->vma;
778 obj_textsec (abfd)->_raw_size = execp->a_text;
780 /* Since BSS follows data immediately, see if it needs alignment. */
781 vma += obj_datasec (abfd)->_raw_size;
782 pad = align_power (vma, obj_bsssec (abfd)->alignment_power) - vma;
783 obj_datasec (abfd)->_raw_size += pad;
784 pos += obj_datasec (abfd)->_raw_size;
785 execp->a_data = obj_datasec (abfd)->_raw_size;
788 obj_bsssec (abfd)->vma = vma;
789 obj_bsssec (abfd)->user_set_vma = 1;
791 /* We are fully resized, so don't readjust in final_link. */
792 adata (abfd).magic = z_magic;
794 return NAME (aout, final_link) (abfd, info, MY_final_link_callback);
800 tic30_aout_machine_type (arch, machine, unknown)
801 enum bfd_architecture arch;
802 unsigned long machine ATTRIBUTE_UNUSED;
805 enum machine_type arch_flags;
807 arch_flags = M_UNKNOWN;
816 arch_flags = M_UNKNOWN;
818 if (arch_flags != M_UNKNOWN)
824 tic30_aout_set_arch_mach (abfd, arch, machine)
826 enum bfd_architecture arch;
827 unsigned long machine;
829 if (!bfd_default_set_arch_mach (abfd, arch, machine))
831 if (arch != bfd_arch_unknown)
834 tic30_aout_machine_type (arch, machine, &unknown);
838 obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
839 return (*aout_backend_info (abfd)->set_sizes) (abfd);
842 /* We assume BFD generic archive files. */
843 #ifndef MY_openr_next_archived_file
844 #define MY_openr_next_archived_file bfd_generic_openr_next_archived_file
846 #ifndef MY_get_elt_at_index
847 #define MY_get_elt_at_index _bfd_generic_get_elt_at_index
849 #ifndef MY_generic_stat_arch_elt
850 #define MY_generic_stat_arch_elt bfd_generic_stat_arch_elt
852 #ifndef MY_slurp_armap
853 #define MY_slurp_armap bfd_slurp_bsd_armap
855 #ifndef MY_slurp_extended_name_table
856 #define MY_slurp_extended_name_table _bfd_slurp_extended_name_table
858 #ifndef MY_construct_extended_name_table
859 #define MY_construct_extended_name_table \
860 _bfd_archive_bsd_construct_extended_name_table
862 #ifndef MY_write_armap
863 #define MY_write_armap bsd_write_armap
865 #ifndef MY_read_ar_hdr
866 #define MY_read_ar_hdr _bfd_generic_read_ar_hdr
868 #ifndef MY_truncate_arname
869 #define MY_truncate_arname bfd_bsd_truncate_arname
871 #ifndef MY_update_armap_timestamp
872 #define MY_update_armap_timestamp _bfd_archive_bsd_update_armap_timestamp
875 /* No core file defined here -- configure in trad-core.c separately. */
876 #ifndef MY_core_file_failing_command
877 #define MY_core_file_failing_command _bfd_nocore_core_file_failing_command
879 #ifndef MY_core_file_failing_signal
880 #define MY_core_file_failing_signal _bfd_nocore_core_file_failing_signal
882 #ifndef MY_core_file_matches_executable_p
883 #define MY_core_file_matches_executable_p \
884 _bfd_nocore_core_file_matches_executable_p
886 #ifndef MY_core_file_p
887 #define MY_core_file_p _bfd_dummy_target
890 #ifndef MY_bfd_debug_info_start
891 #define MY_bfd_debug_info_start bfd_void
893 #ifndef MY_bfd_debug_info_end
894 #define MY_bfd_debug_info_end bfd_void
896 #ifndef MY_bfd_debug_info_accumulate
897 #define MY_bfd_debug_info_accumulate \
898 (void (*) PARAMS ((bfd*, struct sec *))) bfd_void
901 #ifndef MY_core_file_failing_command
902 #define MY_core_file_failing_command NAME(aout,core_file_failing_command)
904 #ifndef MY_core_file_failing_signal
905 #define MY_core_file_failing_signal NAME(aout,core_file_failing_signal)
907 #ifndef MY_core_file_matches_executable_p
908 #define MY_core_file_matches_executable_p NAME(aout,core_file_matches_executable_p)
910 #ifndef MY_set_section_contents
911 #define MY_set_section_contents NAME(aout,set_section_contents)
913 #ifndef MY_get_section_contents
914 #define MY_get_section_contents aout_32_get_section_contents
916 #ifndef MY_get_section_contents_in_window
917 #define MY_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
919 #ifndef MY_new_section_hook
920 #define MY_new_section_hook NAME(aout,new_section_hook)
922 #ifndef MY_get_symtab_upper_bound
923 #define MY_get_symtab_upper_bound NAME(aout,get_symtab_upper_bound)
925 #ifndef MY_get_symtab
926 #define MY_get_symtab NAME(aout,get_symtab)
928 #ifndef MY_get_reloc_upper_bound
929 #define MY_get_reloc_upper_bound NAME(aout,get_reloc_upper_bound)
931 #ifndef MY_canonicalize_reloc
932 #define MY_canonicalize_reloc NAME(aout,canonicalize_reloc)
934 #ifndef MY_make_empty_symbol
935 #define MY_make_empty_symbol NAME(aout,make_empty_symbol)
937 #ifndef MY_print_symbol
938 #define MY_print_symbol NAME(aout,print_symbol)
940 #ifndef MY_get_symbol_info
941 #define MY_get_symbol_info NAME(aout,get_symbol_info)
943 #ifndef MY_get_lineno
944 #define MY_get_lineno NAME(aout,get_lineno)
946 #ifndef MY_set_arch_mach
947 #define MY_set_arch_mach tic30_aout_set_arch_mach
949 #ifndef MY_find_nearest_line
950 #define MY_find_nearest_line NAME(aout,find_nearest_line)
952 #ifndef MY_sizeof_headers
953 #define MY_sizeof_headers NAME(aout,sizeof_headers)
955 #ifndef MY_bfd_get_relocated_section_contents
956 #define MY_bfd_get_relocated_section_contents \
957 bfd_generic_get_relocated_section_contents
959 #ifndef MY_bfd_relax_section
960 #define MY_bfd_relax_section bfd_generic_relax_section
962 #ifndef MY_bfd_gc_sections
963 #define MY_bfd_gc_sections bfd_generic_gc_sections
965 #ifndef MY_bfd_merge_sections
966 #define MY_bfd_merge_sections bfd_generic_merge_sections
968 #ifndef MY_bfd_reloc_type_lookup
969 #define MY_bfd_reloc_type_lookup tic30_aout_reloc_type_lookup
971 #ifndef MY_bfd_make_debug_symbol
972 #define MY_bfd_make_debug_symbol 0
974 #ifndef MY_read_minisymbols
975 #define MY_read_minisymbols NAME(aout,read_minisymbols)
977 #ifndef MY_minisymbol_to_symbol
978 #define MY_minisymbol_to_symbol NAME(aout,minisymbol_to_symbol)
980 #ifndef MY_bfd_link_hash_table_create
981 #define MY_bfd_link_hash_table_create NAME(aout,link_hash_table_create)
983 #ifndef MY_bfd_link_hash_table_free
984 #define MY_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
986 #ifndef MY_bfd_link_add_symbols
987 #define MY_bfd_link_add_symbols NAME(aout,link_add_symbols)
989 #ifndef MY_bfd_link_just_syms
990 #define MY_bfd_link_just_syms _bfd_generic_link_just_syms
992 #ifndef MY_bfd_link_split_section
993 #define MY_bfd_link_split_section _bfd_generic_link_split_section
996 #ifndef MY_bfd_copy_private_bfd_data
997 #define MY_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
1000 #ifndef MY_bfd_merge_private_bfd_data
1001 #define MY_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
1004 #ifndef MY_bfd_copy_private_symbol_data
1005 #define MY_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
1008 #ifndef MY_bfd_print_private_bfd_data
1009 #define MY_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
1012 #ifndef MY_bfd_set_private_flags
1013 #define MY_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
1016 #ifndef MY_bfd_is_local_label_name
1017 #define MY_bfd_is_local_label_name bfd_generic_is_local_label_name
1020 #ifndef MY_bfd_free_cached_info
1021 #define MY_bfd_free_cached_info NAME(aout,bfd_free_cached_info)
1024 #ifndef MY_close_and_cleanup
1025 #define MY_close_and_cleanup MY_bfd_free_cached_info
1028 #ifndef MY_get_dynamic_symtab_upper_bound
1029 #define MY_get_dynamic_symtab_upper_bound \
1030 _bfd_nodynamic_get_dynamic_symtab_upper_bound
1032 #ifndef MY_canonicalize_dynamic_symtab
1033 #define MY_canonicalize_dynamic_symtab \
1034 _bfd_nodynamic_canonicalize_dynamic_symtab
1036 #ifndef MY_get_dynamic_reloc_upper_bound
1037 #define MY_get_dynamic_reloc_upper_bound \
1038 _bfd_nodynamic_get_dynamic_reloc_upper_bound
1040 #ifndef MY_canonicalize_dynamic_reloc
1041 #define MY_canonicalize_dynamic_reloc \
1042 _bfd_nodynamic_canonicalize_dynamic_reloc
1045 /* Aout symbols normally have leading underscores */
1046 #ifndef MY_symbol_leading_char
1047 #define MY_symbol_leading_char '_'
1050 /* Aout archives normally use spaces for padding */
1052 #define AR_PAD_CHAR ' '
1055 #ifndef MY_BFD_TARGET
1056 const bfd_target tic30_aout_vec =
1058 TARGETNAME, /* name */
1059 bfd_target_aout_flavour,
1060 BFD_ENDIAN_BIG, /* target byte order (big) */
1061 BFD_ENDIAN_BIG, /* target headers byte order (big) */
1062 (HAS_RELOC | /* object flags */
1063 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
1064 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
1065 MY_symbol_leading_char,
1066 AR_PAD_CHAR, /* ar_pad_char */
1067 15, /* ar_max_namelen */
1068 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1069 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1070 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
1071 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1072 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1073 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
1074 {_bfd_dummy_target, MY_object_p, /* bfd_check_format */
1075 bfd_generic_archive_p, MY_core_file_p},
1076 {bfd_false, MY_mkobject, /* bfd_set_format */
1077 _bfd_generic_mkarchive, bfd_false},
1078 {bfd_false, MY_write_object_contents, /* bfd_write_contents */
1079 _bfd_write_archive_contents, bfd_false},
1081 BFD_JUMP_TABLE_GENERIC (MY),
1082 BFD_JUMP_TABLE_COPY (MY),
1083 BFD_JUMP_TABLE_CORE (MY),
1084 BFD_JUMP_TABLE_ARCHIVE (MY),
1085 BFD_JUMP_TABLE_SYMBOLS (MY),
1086 BFD_JUMP_TABLE_RELOCS (MY),
1087 BFD_JUMP_TABLE_WRITE (MY),
1088 BFD_JUMP_TABLE_LINK (MY),
1089 BFD_JUMP_TABLE_DYNAMIC (MY),
1093 (PTR) MY_backend_data
1095 #endif /* MY_BFD_TARGET */