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
61 static bfd_boolean tic30_aout_write_object_contents
63 static bfd_boolean tic30_aout_set_sizes
65 static const bfd_target * tic30_aout_callback
67 static bfd_boolean MY_bfd_copy_private_section_data
68 PARAMS ((bfd *, asection *, bfd *, asection *));
69 static bfd_boolean MY_bfd_final_link
70 PARAMS ((bfd *, struct bfd_link_info *));
71 reloc_howto_type * tic30_aout_reloc_type_lookup
72 PARAMS ((bfd *, bfd_reloc_code_real_type));
73 enum machine_type tic30_aout_machine_type
74 PARAMS ((enum bfd_architecture, unsigned long, bfd_boolean *));
75 bfd_boolean tic30_aout_set_arch_mach
76 PARAMS ((bfd *, enum bfd_architecture, unsigned long));
78 #define MY_reloc_howto(BFD, REL, IN, EX, PC) \
79 tic30_aout_reloc_howto(BFD, REL, &IN, &EX, &PC)
80 #define MY_final_link_relocate tic30_aout_final_link_relocate
81 #define MY_object_p tic30_aout_object_p
82 #define MY_mkobject NAME(aout,mkobject)
83 #define MY_write_object_contents tic30_aout_write_object_contents
84 #define MY_set_sizes tic30_aout_set_sizes
86 #ifndef MY_exec_hdr_flags
87 #define MY_exec_hdr_flags 1
90 #ifndef MY_backend_data
92 #ifndef MY_zmagic_contiguous
93 #define MY_zmagic_contiguous 0
95 #ifndef MY_text_includes_header
96 #define MY_text_includes_header 0
98 #ifndef MY_entry_is_text_address
99 #define MY_entry_is_text_address 0
101 #ifndef MY_exec_header_not_counted
102 #define MY_exec_header_not_counted 1
104 #ifndef MY_add_dynamic_symbols
105 #define MY_add_dynamic_symbols 0
107 #ifndef MY_add_one_symbol
108 #define MY_add_one_symbol 0
110 #ifndef MY_link_dynamic_object
111 #define MY_link_dynamic_object 0
113 #ifndef MY_write_dynamic_symbol
114 #define MY_write_dynamic_symbol 0
116 #ifndef MY_check_dynamic_reloc
117 #define MY_check_dynamic_reloc 0
119 #ifndef MY_finish_dynamic_link
120 #define MY_finish_dynamic_link 0
123 static const struct aout_backend_data tic30_aout_backend_data =
125 MY_zmagic_contiguous,
126 MY_text_includes_header,
127 MY_entry_is_text_address,
131 MY_exec_header_not_counted,
132 MY_add_dynamic_symbols,
134 MY_link_dynamic_object,
135 MY_write_dynamic_symbol,
136 MY_check_dynamic_reloc,
137 MY_finish_dynamic_link
139 #define MY_backend_data &tic30_aout_backend_data
142 /* FIXME: This is wrong. aoutx.h should really only be included by
147 /* This table lists the relocation types for the TMS320C30. There are
148 only a few relocations required, and all must be divided by 4 (>>
149 2) to get the 32-bit addresses in the format the TMS320C30 likes
151 reloc_howto_type tic30_aout_howto_table[] =
154 HOWTO (1, 2, 1, 16, FALSE, 0, 0, tic30_aout_fix_16,
155 "16", FALSE, 0x0000FFFF, 0x0000FFFF, FALSE),
156 HOWTO (2, 2, 2, 24, FALSE, 0, complain_overflow_bitfield, NULL,
157 "24", FALSE, 0x00FFFFFF, 0x00FFFFFF, FALSE),
158 HOWTO (3, 18, 3, 24, FALSE, 0, complain_overflow_bitfield, NULL,
159 "LDP", FALSE, 0x00FF0000, 0x000000FF, FALSE),
160 HOWTO (4, 2, 4, 32, FALSE, 0, complain_overflow_bitfield, tic30_aout_fix_32,
161 "32", FALSE, 0xFFFFFFFF, 0xFFFFFFFF, FALSE),
162 HOWTO (5, 2, 1, 16, TRUE, 0, complain_overflow_signed,
163 tic30_aout_fix_pcrel_16, "PCREL", TRUE, 0x0000FFFF, 0x0000FFFF, TRUE),
171 extern reloc_howto_type *NAME (aout, reloc_type_lookup)
172 PARAMS ((bfd *, bfd_reloc_code_real_type));
175 tic30_aout_reloc_type_lookup (abfd, code)
176 bfd *abfd ATTRIBUTE_UNUSED;
177 bfd_reloc_code_real_type code;
182 case BFD_RELOC_TIC30_LDP:
183 return &tic30_aout_howto_table[3];
185 return &tic30_aout_howto_table[1];
187 return &tic30_aout_howto_table[2];
188 case BFD_RELOC_16_PCREL:
189 return &tic30_aout_howto_table[5];
191 return &tic30_aout_howto_table[4];
193 return (reloc_howto_type *) NULL;
197 static reloc_howto_type *
198 tic30_aout_reloc_howto (abfd, relocs, r_index, r_extern, r_pcrel)
200 struct reloc_std_external *relocs;
205 unsigned int r_length;
206 unsigned int r_pcrel_done;
210 if (bfd_header_big_endian (abfd))
212 *r_index = ((relocs->r_index[0] << 16) | (relocs->r_index[1] << 8) | relocs->r_index[2]);
213 *r_extern = (0 != (relocs->r_type[0] & RELOC_STD_BITS_EXTERN_BIG));
214 r_pcrel_done = (0 != (relocs->r_type[0] & RELOC_STD_BITS_PCREL_BIG));
215 r_length = ((relocs->r_type[0] & RELOC_STD_BITS_LENGTH_BIG) >> RELOC_STD_BITS_LENGTH_SH_BIG);
219 *r_index = ((relocs->r_index[2] << 16) | (relocs->r_index[1] << 8) | relocs->r_index[0]);
220 *r_extern = (0 != (relocs->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE));
221 r_pcrel_done = (0 != (relocs->r_type[0] & RELOC_STD_BITS_PCREL_LITTLE));
222 r_length = ((relocs->r_type[0] & RELOC_STD_BITS_LENGTH_LITTLE) >> RELOC_STD_BITS_LENGTH_SH_LITTLE);
224 index = r_length + 4 * r_pcrel_done;
225 return tic30_aout_howto_table + index;
228 /* This function is used as a callback for 16-bit relocs. This is
229 required for relocations between segments. A line in aoutx.h
230 requires that any relocations for the data section should point to
231 the end of the aligned text section, plus an offset. By default,
232 this does not happen, therefore this function takes care of
235 static bfd_reloc_status_type
236 tic30_aout_fix_16 (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message)
238 arelent *reloc_entry;
241 asection *input_section ATTRIBUTE_UNUSED;
243 char **error_message ATTRIBUTE_UNUSED;
247 /* Make sure that the symbol's section is defined. */
248 if (symbol->section == &bfd_und_section && (symbol->flags & BSF_WEAK) == 0)
249 return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined;
250 /* Get the size of the input section and turn it into the TMS320C30
251 32-bit address format. */
252 relocation = (symbol->section->vma >> 2);
253 relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address);
254 bfd_put_16 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
258 /* This function does the same thing as tic30_aout_fix_16 except for 32
261 static bfd_reloc_status_type
262 tic30_aout_fix_32 (abfd, reloc_entry, symbol, data, input_section,
263 output_bfd, error_message)
265 arelent *reloc_entry;
268 asection *input_section ATTRIBUTE_UNUSED;
270 char **error_message ATTRIBUTE_UNUSED;
274 /* Make sure that the symbol's section is defined. */
275 if (symbol->section == &bfd_und_section && (symbol->flags & BSF_WEAK) == 0)
276 return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined;
277 /* Get the size of the input section and turn it into the TMS320C30
278 32-bit address format. */
279 relocation = (symbol->section->vma >> 2);
280 relocation += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
281 bfd_put_32 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
285 /* This function is used to work out pc-relative offsets for the
286 TMS320C30. The data already placed by md_pcrel_from within gas is
287 useless for a relocation, so we just get the offset value and place
288 a version of this within the object code.
289 tic30_aout_final_link_relocate will then calculate the required
290 relocation to add on to the value in the object code. */
292 static bfd_reloc_status_type
293 tic30_aout_fix_pcrel_16 (abfd, reloc_entry, symbol, data, input_section,
294 output_bfd, error_message)
296 arelent *reloc_entry;
297 asymbol *symbol ATTRIBUTE_UNUSED;
299 asection *input_section ATTRIBUTE_UNUSED;
300 bfd *output_bfd ATTRIBUTE_UNUSED;
301 char **error_message ATTRIBUTE_UNUSED;
303 bfd_vma relocation = 1;
304 bfd_byte offset_data = bfd_get_8 (abfd, (bfd_byte *) data + reloc_entry->address - 1);
306 /* The byte before the location of the fix contains bits 23-16 of
307 the pcrel instruction. Bit 21 is set for a delayed instruction
308 which requires on offset of 3 instead of 1. */
309 if (offset_data & 0x20)
313 bfd_put_16 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
317 /* These macros will get 24-bit values from the bfd definition.
319 #define bfd_getb_24(BFD,ADDR) \
320 (bfd_get_8 (BFD, ADDR ) << 16) | \
321 (bfd_get_8 (BFD, ADDR + 1) << 8) | \
322 (bfd_get_8 (BFD, ADDR + 2) )
324 #define bfd_putb_24(BFD,DATA,ADDR) \
325 bfd_put_8 (BFD, (bfd_byte) ((DATA >> 16) & 0xFF), ADDR ); \
326 bfd_put_8 (BFD, (bfd_byte) ((DATA >> 8) & 0xFF), ADDR + 1); \
327 bfd_put_8 (BFD, (bfd_byte) ( DATA & 0xFF), ADDR + 2)
329 /* Set parameters about this a.out file that are machine-dependent.
330 This routine is called from some_aout_object_p just before it returns. */
332 static const bfd_target *
333 tic30_aout_callback (abfd)
336 struct internal_exec *execp = exec_hdr (abfd);
337 unsigned int arch_align_power;
338 unsigned long arch_align;
340 /* Calculate the file positions of the parts of a newly read aout header. */
341 obj_textsec (abfd)->_raw_size = N_TXTSIZE (*execp);
343 /* The virtual memory addresses of the sections. */
344 obj_textsec (abfd)->vma = N_TXTADDR (*execp);
345 obj_datasec (abfd)->vma = N_DATADDR (*execp);
346 obj_bsssec (abfd)->vma = N_BSSADDR (*execp);
348 obj_textsec (abfd)->lma = obj_textsec (abfd)->vma;
349 obj_datasec (abfd)->lma = obj_datasec (abfd)->vma;
350 obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma;
352 /* The file offsets of the sections. */
353 obj_textsec (abfd)->filepos = N_TXTOFF (*execp);
354 obj_datasec (abfd)->filepos = N_DATOFF (*execp);
356 /* The file offsets of the relocation info. */
357 obj_textsec (abfd)->rel_filepos = N_TRELOFF (*execp);
358 obj_datasec (abfd)->rel_filepos = N_DRELOFF (*execp);
360 /* The file offsets of the string table and symbol table. */
361 obj_sym_filepos (abfd) = N_SYMOFF (*execp);
362 obj_str_filepos (abfd) = N_STROFF (*execp);
364 /* Determine the architecture and machine type of the object file. */
366 SET_ARCH_MACH (abfd, *execp);
368 bfd_default_set_arch_mach (abfd, DEFAULT_ARCH, 0L);
371 /* Now that we know the architecture, set the alignments of the
372 sections. This is normally done by NAME(aout,new_section_hook),
373 but when the initial sections were created the architecture had
374 not yet been set. However, for backward compatibility, we don't
375 set the alignment power any higher than as required by the size
377 arch_align_power = bfd_get_arch_info (abfd)->section_align_power;
378 arch_align = 1 << arch_align_power;
379 if ((BFD_ALIGN (obj_textsec (abfd)->_raw_size, arch_align)
380 == obj_textsec (abfd)->_raw_size)
381 && (BFD_ALIGN (obj_datasec (abfd)->_raw_size, arch_align)
382 == obj_datasec (abfd)->_raw_size)
383 && (BFD_ALIGN (obj_bsssec (abfd)->_raw_size, arch_align)
384 == obj_bsssec (abfd)->_raw_size))
386 obj_textsec (abfd)->alignment_power = arch_align_power;
387 obj_datasec (abfd)->alignment_power = arch_align_power;
388 obj_bsssec (abfd)->alignment_power = arch_align_power;
393 static bfd_reloc_status_type
394 tic30_aout_final_link_relocate (howto, input_bfd, input_section, contents,
395 address, value, addend)
396 reloc_howto_type *howto;
398 asection *input_section;
406 if (address > input_section->_raw_size)
407 return bfd_reloc_outofrange;
409 relocation = value + addend;
410 if (howto->pc_relative)
412 relocation -= (input_section->output_section->vma + input_section->output_offset);
413 if (howto->pcrel_offset)
414 relocation -= address;
416 return tic30_aout_relocate_contents (howto, input_bfd, relocation,
420 bfd_reloc_status_type
421 tic30_aout_relocate_contents (howto, input_bfd, relocation, location)
422 reloc_howto_type *howto;
428 bfd_boolean overflow;
431 relocation = -relocation;
440 x = bfd_get_16 (input_bfd, location);
443 x = bfd_getb_24 (input_bfd, location);
446 x = bfd_get_8 (input_bfd, location);
449 x = bfd_get_32 (input_bfd, location);
455 if (howto->complain_on_overflow != complain_overflow_dont)
458 bfd_signed_vma signed_check;
460 bfd_signed_vma signed_add;
462 if (howto->rightshift == 0)
465 signed_check = (bfd_signed_vma) relocation;
469 check = relocation >> howto->rightshift;
470 if ((bfd_signed_vma) relocation >= 0)
471 signed_check = check;
473 signed_check = (check | ((bfd_vma) - 1 & ~((bfd_vma) - 1 >> howto->rightshift)));
475 add = x & howto->src_mask;
477 if ((add & (((~howto->src_mask) >> 1) & howto->src_mask)) != 0)
478 signed_add -= (((~howto->src_mask) >> 1) & howto->src_mask) << 1;
479 if (howto->bitpos == 0)
482 signed_check += signed_add;
486 check += add >> howto->bitpos;
488 signed_check += add >> howto->bitpos;
490 signed_check += ((add >> howto->bitpos) | ((bfd_vma) - 1 & ~((bfd_vma) - 1 >> howto->bitpos)));
492 switch (howto->complain_on_overflow)
494 case complain_overflow_signed:
496 bfd_signed_vma reloc_signed_max = (1 << (howto->bitsize - 1)) - 1;
497 bfd_signed_vma reloc_signed_min = ~reloc_signed_max;
498 if (signed_check > reloc_signed_max || signed_check < reloc_signed_min)
502 case complain_overflow_unsigned:
504 bfd_vma reloc_unsigned_max = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
505 if (check > reloc_unsigned_max)
509 case complain_overflow_bitfield:
511 bfd_vma reloc_bits = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
512 if ((check & ~reloc_bits) != 0
513 && (((bfd_vma) signed_check & ~reloc_bits)
514 != ((bfd_vma) -1 & ~reloc_bits)))
522 relocation >>= (bfd_vma) howto->rightshift;
523 relocation <<= (bfd_vma) howto->bitpos;
524 x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask));
532 bfd_put_16 (input_bfd, x, location);
535 bfd_putb_24 (input_bfd, x, location);
538 bfd_put_8 (input_bfd, x, location);
541 bfd_put_32 (input_bfd, x, location);
544 return overflow ? bfd_reloc_overflow : bfd_reloc_ok;
547 /* Finish up the reading of an a.out file header. */
549 static const bfd_target *
550 tic30_aout_object_p (abfd)
553 struct external_exec exec_bytes; /* Raw exec header from file. */
554 struct internal_exec exec; /* Cleaned-up exec header. */
555 const bfd_target *target;
556 bfd_size_type amt = EXEC_BYTES_SIZE;
558 if (bfd_bread ((PTR) &exec_bytes, amt, abfd) != amt)
560 if (bfd_get_error () != bfd_error_system_call)
561 bfd_set_error (bfd_error_wrong_format);
566 exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
568 exec.a_info = H_GET_32 (abfd, exec_bytes.e_info);
569 #endif /* SWAP_MAGIC */
574 if (!(MACHTYPE_OK (N_MACHTYPE (exec))))
578 NAME (aout, swap_exec_header_in) (abfd, &exec_bytes, &exec);
581 /* swap_exec_header_in read in a_info with the wrong byte order */
582 exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
583 #endif /* SWAP_MAGIC */
585 target = NAME (aout, some_aout_object_p) (abfd, &exec, tic30_aout_callback);
587 #ifdef ENTRY_CAN_BE_ZERO
588 /* The NEWSOS3 entry-point is/was 0, which (amongst other lossage)
589 means that it isn't obvious if EXEC_P should be set.
590 All of the following must be true for an executable:
591 There must be no relocations, the bfd can be neither an
592 archive nor an archive element, and the file must be executable. */
594 if (exec.a_trsize + exec.a_drsize == 0
595 && bfd_get_format (abfd) == bfd_object && abfd->my_archive == NULL)
599 #define S_IXUSR 0100 /* Execute by owner. */
601 if (stat (abfd->filename, &buf) == 0 && (buf.st_mode & S_IXUSR))
602 abfd->flags |= EXEC_P;
604 #endif /* ENTRY_CAN_BE_ZERO */
609 /* Copy private section data. This actually does nothing with the
610 sections. It copies the subformat field. We copy it here, because
611 we need to know whether this is a QMAGIC file before we set the
612 section contents, and copy_private_bfd_data is not called until
613 after the section contents have been set. */
616 MY_bfd_copy_private_section_data (ibfd, isec, obfd, osec)
618 asection *isec ATTRIBUTE_UNUSED;
620 asection *osec ATTRIBUTE_UNUSED;
622 if (bfd_get_flavour (obfd) == bfd_target_aout_flavour)
623 obj_aout_subformat (obfd) = obj_aout_subformat (ibfd);
627 /* Write an object file.
628 Section contents have already been written. We write the
629 file header, symbols, and relocation. */
632 tic30_aout_write_object_contents (abfd)
635 struct external_exec exec_bytes;
636 struct internal_exec *execp = exec_hdr (abfd);
638 obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
641 bfd_size_type text_size; /* Dummy vars. */
644 if (adata (abfd).magic == undecided_magic)
645 NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end);
647 execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE;
648 execp->a_entry = bfd_get_start_address (abfd);
650 execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * obj_reloc_entry_size (abfd));
651 execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * obj_reloc_entry_size (abfd));
652 NAME (aout, swap_exec_header_out) (abfd, execp, &exec_bytes);
654 if (adata (abfd).exec_bytes_size > 0)
657 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
659 amt = adata (abfd).exec_bytes_size;
660 if (bfd_bwrite ((PTR) &exec_bytes, amt, abfd) != amt)
664 /* Now write out reloc info, followed by syms and strings. */
665 if (bfd_get_outsymbols (abfd) != (asymbol **) NULL
666 && bfd_get_symcount (abfd) != 0)
668 if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*execp)), SEEK_SET) != 0)
671 if (!NAME (aout, write_syms) (abfd))
675 if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (*execp)), SEEK_SET) != 0)
677 if (!NAME (aout, squirt_out_relocs) (abfd, obj_textsec (abfd)))
680 if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (*execp)), SEEK_SET) != 0)
682 if (!NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd)))
690 tic30_aout_set_sizes (abfd)
693 adata (abfd).page_size = TARGET_PAGE_SIZE;
696 adata (abfd).segment_size = SEGMENT_SIZE;
698 adata (abfd).segment_size = TARGET_PAGE_SIZE;
701 #ifdef ZMAGIC_DISK_BLOCK_SIZE
702 adata (abfd).zmagic_disk_block_size = ZMAGIC_DISK_BLOCK_SIZE;
704 adata (abfd).zmagic_disk_block_size = TARGET_PAGE_SIZE;
707 adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE;
712 #ifndef MY_final_link_callback
714 /* Callback for the final_link routine to set the section offsets. */
716 static void MY_final_link_callback
717 PARAMS ((bfd *, file_ptr *, file_ptr *, file_ptr *));
720 MY_final_link_callback (abfd, ptreloff, pdreloff, psymoff)
726 struct internal_exec *execp = exec_hdr (abfd);
728 *ptreloff = obj_datasec (abfd)->filepos + execp->a_data;
729 *pdreloff = *ptreloff + execp->a_trsize;
730 *psymoff = *pdreloff + execp->a_drsize;;
735 #ifndef MY_bfd_final_link
737 /* Final link routine. We need to use a call back to get the correct
738 offsets in the output file. */
741 MY_bfd_final_link (abfd, info)
743 struct bfd_link_info *info;
745 struct internal_exec *execp = exec_hdr (abfd);
750 /* Set the executable header size to 0, as we don't want one for an
752 adata (abfd).exec_bytes_size = 0;
753 pos = adata (abfd).exec_bytes_size;
755 vma = info->create_object_symbols_section->vma;
757 obj_textsec (abfd)->filepos = pos;
758 obj_textsec (abfd)->vma = vma;
759 obj_textsec (abfd)->user_set_vma = 1;
760 pos += obj_textsec (abfd)->_raw_size;
761 vma += obj_textsec (abfd)->_raw_size;
764 if (abfd->flags & D_PAGED)
766 if (info->create_object_symbols_section->next->vma > 0)
767 obj_datasec (abfd)->vma = info->create_object_symbols_section->next->vma;
769 obj_datasec (abfd)->vma = BFD_ALIGN (vma, adata (abfd).segment_size);
773 obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
776 if (obj_datasec (abfd)->vma < vma)
777 obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
779 obj_datasec (abfd)->user_set_vma = 1;
780 vma = obj_datasec (abfd)->vma;
781 obj_datasec (abfd)->filepos = vma + adata (abfd).exec_bytes_size;
782 execp->a_text = vma - obj_textsec (abfd)->vma;
783 obj_textsec (abfd)->_raw_size = execp->a_text;
785 /* Since BSS follows data immediately, see if it needs alignment. */
786 vma += obj_datasec (abfd)->_raw_size;
787 pad = align_power (vma, obj_bsssec (abfd)->alignment_power) - vma;
788 obj_datasec (abfd)->_raw_size += pad;
789 pos += obj_datasec (abfd)->_raw_size;
790 execp->a_data = obj_datasec (abfd)->_raw_size;
793 obj_bsssec (abfd)->vma = vma;
794 obj_bsssec (abfd)->user_set_vma = 1;
796 /* We are fully resized, so don't readjust in final_link. */
797 adata (abfd).magic = z_magic;
799 return NAME (aout, final_link) (abfd, info, MY_final_link_callback);
805 tic30_aout_machine_type (arch, machine, unknown)
806 enum bfd_architecture arch;
807 unsigned long machine ATTRIBUTE_UNUSED;
808 bfd_boolean *unknown;
810 enum machine_type arch_flags;
812 arch_flags = M_UNKNOWN;
821 arch_flags = M_UNKNOWN;
823 if (arch_flags != M_UNKNOWN)
829 tic30_aout_set_arch_mach (abfd, arch, machine)
831 enum bfd_architecture arch;
832 unsigned long machine;
834 if (!bfd_default_set_arch_mach (abfd, arch, machine))
836 if (arch != bfd_arch_unknown)
839 tic30_aout_machine_type (arch, machine, &unknown);
843 obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
844 return (*aout_backend_info (abfd)->set_sizes) (abfd);
847 /* We assume BFD generic archive files. */
848 #ifndef MY_openr_next_archived_file
849 #define MY_openr_next_archived_file bfd_generic_openr_next_archived_file
851 #ifndef MY_get_elt_at_index
852 #define MY_get_elt_at_index _bfd_generic_get_elt_at_index
854 #ifndef MY_generic_stat_arch_elt
855 #define MY_generic_stat_arch_elt bfd_generic_stat_arch_elt
857 #ifndef MY_slurp_armap
858 #define MY_slurp_armap bfd_slurp_bsd_armap
860 #ifndef MY_slurp_extended_name_table
861 #define MY_slurp_extended_name_table _bfd_slurp_extended_name_table
863 #ifndef MY_construct_extended_name_table
864 #define MY_construct_extended_name_table \
865 _bfd_archive_bsd_construct_extended_name_table
867 #ifndef MY_write_armap
868 #define MY_write_armap bsd_write_armap
870 #ifndef MY_read_ar_hdr
871 #define MY_read_ar_hdr _bfd_generic_read_ar_hdr
873 #ifndef MY_truncate_arname
874 #define MY_truncate_arname bfd_bsd_truncate_arname
876 #ifndef MY_update_armap_timestamp
877 #define MY_update_armap_timestamp _bfd_archive_bsd_update_armap_timestamp
880 /* No core file defined here -- configure in trad-core.c separately. */
881 #ifndef MY_core_file_failing_command
882 #define MY_core_file_failing_command _bfd_nocore_core_file_failing_command
884 #ifndef MY_core_file_failing_signal
885 #define MY_core_file_failing_signal _bfd_nocore_core_file_failing_signal
887 #ifndef MY_core_file_matches_executable_p
888 #define MY_core_file_matches_executable_p \
889 _bfd_nocore_core_file_matches_executable_p
891 #ifndef MY_core_file_p
892 #define MY_core_file_p _bfd_dummy_target
895 #ifndef MY_bfd_debug_info_start
896 #define MY_bfd_debug_info_start bfd_void
898 #ifndef MY_bfd_debug_info_end
899 #define MY_bfd_debug_info_end bfd_void
901 #ifndef MY_bfd_debug_info_accumulate
902 #define MY_bfd_debug_info_accumulate \
903 (void (*) PARAMS ((bfd*, struct sec *))) bfd_void
906 #ifndef MY_core_file_failing_command
907 #define MY_core_file_failing_command NAME(aout,core_file_failing_command)
909 #ifndef MY_core_file_failing_signal
910 #define MY_core_file_failing_signal NAME(aout,core_file_failing_signal)
912 #ifndef MY_core_file_matches_executable_p
913 #define MY_core_file_matches_executable_p NAME(aout,core_file_matches_executable_p)
915 #ifndef MY_set_section_contents
916 #define MY_set_section_contents NAME(aout,set_section_contents)
918 #ifndef MY_get_section_contents
919 #define MY_get_section_contents aout_32_get_section_contents
921 #ifndef MY_get_section_contents_in_window
922 #define MY_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
924 #ifndef MY_new_section_hook
925 #define MY_new_section_hook NAME(aout,new_section_hook)
927 #ifndef MY_get_symtab_upper_bound
928 #define MY_get_symtab_upper_bound NAME(aout,get_symtab_upper_bound)
930 #ifndef MY_get_symtab
931 #define MY_get_symtab NAME(aout,get_symtab)
933 #ifndef MY_get_reloc_upper_bound
934 #define MY_get_reloc_upper_bound NAME(aout,get_reloc_upper_bound)
936 #ifndef MY_canonicalize_reloc
937 #define MY_canonicalize_reloc NAME(aout,canonicalize_reloc)
939 #ifndef MY_make_empty_symbol
940 #define MY_make_empty_symbol NAME(aout,make_empty_symbol)
942 #ifndef MY_print_symbol
943 #define MY_print_symbol NAME(aout,print_symbol)
945 #ifndef MY_get_symbol_info
946 #define MY_get_symbol_info NAME(aout,get_symbol_info)
948 #ifndef MY_get_lineno
949 #define MY_get_lineno NAME(aout,get_lineno)
951 #ifndef MY_set_arch_mach
952 #define MY_set_arch_mach tic30_aout_set_arch_mach
954 #ifndef MY_find_nearest_line
955 #define MY_find_nearest_line NAME(aout,find_nearest_line)
957 #ifndef MY_sizeof_headers
958 #define MY_sizeof_headers NAME(aout,sizeof_headers)
960 #ifndef MY_bfd_get_relocated_section_contents
961 #define MY_bfd_get_relocated_section_contents \
962 bfd_generic_get_relocated_section_contents
964 #ifndef MY_bfd_relax_section
965 #define MY_bfd_relax_section bfd_generic_relax_section
967 #ifndef MY_bfd_gc_sections
968 #define MY_bfd_gc_sections bfd_generic_gc_sections
970 #ifndef MY_bfd_merge_sections
971 #define MY_bfd_merge_sections bfd_generic_merge_sections
973 #ifndef MY_bfd_discard_group
974 #define MY_bfd_discard_group bfd_generic_discard_group
976 #ifndef MY_bfd_reloc_type_lookup
977 #define MY_bfd_reloc_type_lookup tic30_aout_reloc_type_lookup
979 #ifndef MY_bfd_make_debug_symbol
980 #define MY_bfd_make_debug_symbol 0
982 #ifndef MY_read_minisymbols
983 #define MY_read_minisymbols NAME(aout,read_minisymbols)
985 #ifndef MY_minisymbol_to_symbol
986 #define MY_minisymbol_to_symbol NAME(aout,minisymbol_to_symbol)
988 #ifndef MY_bfd_link_hash_table_create
989 #define MY_bfd_link_hash_table_create NAME(aout,link_hash_table_create)
991 #ifndef MY_bfd_link_hash_table_free
992 #define MY_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
994 #ifndef MY_bfd_link_add_symbols
995 #define MY_bfd_link_add_symbols NAME(aout,link_add_symbols)
997 #ifndef MY_bfd_link_just_syms
998 #define MY_bfd_link_just_syms _bfd_generic_link_just_syms
1000 #ifndef MY_bfd_link_split_section
1001 #define MY_bfd_link_split_section _bfd_generic_link_split_section
1004 #ifndef MY_bfd_copy_private_bfd_data
1005 #define MY_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
1008 #ifndef MY_bfd_merge_private_bfd_data
1009 #define MY_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
1012 #ifndef MY_bfd_copy_private_symbol_data
1013 #define MY_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
1016 #ifndef MY_bfd_print_private_bfd_data
1017 #define MY_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
1020 #ifndef MY_bfd_set_private_flags
1021 #define MY_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
1024 #ifndef MY_bfd_is_local_label_name
1025 #define MY_bfd_is_local_label_name bfd_generic_is_local_label_name
1028 #ifndef MY_bfd_free_cached_info
1029 #define MY_bfd_free_cached_info NAME(aout,bfd_free_cached_info)
1032 #ifndef MY_close_and_cleanup
1033 #define MY_close_and_cleanup MY_bfd_free_cached_info
1036 #ifndef MY_get_dynamic_symtab_upper_bound
1037 #define MY_get_dynamic_symtab_upper_bound \
1038 _bfd_nodynamic_get_dynamic_symtab_upper_bound
1040 #ifndef MY_canonicalize_dynamic_symtab
1041 #define MY_canonicalize_dynamic_symtab \
1042 _bfd_nodynamic_canonicalize_dynamic_symtab
1044 #ifndef MY_get_dynamic_reloc_upper_bound
1045 #define MY_get_dynamic_reloc_upper_bound \
1046 _bfd_nodynamic_get_dynamic_reloc_upper_bound
1048 #ifndef MY_canonicalize_dynamic_reloc
1049 #define MY_canonicalize_dynamic_reloc \
1050 _bfd_nodynamic_canonicalize_dynamic_reloc
1053 /* Aout symbols normally have leading underscores */
1054 #ifndef MY_symbol_leading_char
1055 #define MY_symbol_leading_char '_'
1058 /* Aout archives normally use spaces for padding */
1060 #define AR_PAD_CHAR ' '
1063 #ifndef MY_BFD_TARGET
1064 const bfd_target tic30_aout_vec =
1066 TARGETNAME, /* name */
1067 bfd_target_aout_flavour,
1068 BFD_ENDIAN_BIG, /* target byte order (big) */
1069 BFD_ENDIAN_BIG, /* target headers byte order (big) */
1070 (HAS_RELOC | /* object flags */
1071 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
1072 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
1073 MY_symbol_leading_char,
1074 AR_PAD_CHAR, /* ar_pad_char */
1075 15, /* ar_max_namelen */
1076 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1077 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1078 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
1079 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1080 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1081 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
1082 {_bfd_dummy_target, MY_object_p, /* bfd_check_format */
1083 bfd_generic_archive_p, MY_core_file_p},
1084 {bfd_false, MY_mkobject, /* bfd_set_format */
1085 _bfd_generic_mkarchive, bfd_false},
1086 {bfd_false, MY_write_object_contents, /* bfd_write_contents */
1087 _bfd_write_archive_contents, bfd_false},
1089 BFD_JUMP_TABLE_GENERIC (MY),
1090 BFD_JUMP_TABLE_COPY (MY),
1091 BFD_JUMP_TABLE_CORE (MY),
1092 BFD_JUMP_TABLE_ARCHIVE (MY),
1093 BFD_JUMP_TABLE_SYMBOLS (MY),
1094 BFD_JUMP_TABLE_RELOCS (MY),
1095 BFD_JUMP_TABLE_WRITE (MY),
1096 BFD_JUMP_TABLE_LINK (MY),
1097 BFD_JUMP_TABLE_DYNAMIC (MY),
1101 (PTR) MY_backend_data
1103 #endif /* MY_BFD_TARGET */