+++ /dev/null
-/* BFD back-end for TMS320C30 a.out binaries.
- Copyright (C) 1998-2020 Free Software Foundation, Inc.
- Contributed by Steven Haworth (steve@pm.cse.rmit.edu.au)
-
- This file is part of BFD, the Binary File Descriptor library.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
- 02110-1301, USA. */
-
-#define TARGET_IS_BIG_ENDIAN_P
-#define N_HEADER_IN_TEXT(x) 1
-#define TEXT_START_ADDR 1024
-#define TARGET_PAGE_SIZE 128
-#define SEGMENT_SIZE TARGET_PAGE_SIZE
-#define DEFAULT_ARCH bfd_arch_tic30
-#define ARCH_SIZE 32
-
-/* Do not "beautify" the CONCAT* macro args. Traditional C will not
- remove whitespace added here, and thus will fail to concatenate
- the tokens. */
-#define MY(OP) CONCAT2 (tic30_aout_,OP)
-#define TARGETNAME "a.out-tic30"
-#define NAME(x,y) CONCAT3 (tic30_aout,_32_,y)
-
-#include "sysdep.h"
-#include "bfd.h"
-#include "libaout.h"
-#include "aout/aout64.h"
-#include "aout/stab_gnu.h"
-#include "aout/ar.h"
-
-#define MY_reloc_howto(BFD, REL, IN, EX, PC) tic30_aout_reloc_howto (BFD, REL, & IN, & EX, & PC)
-
-#define MY_final_link_relocate tic30_aout_final_link_relocate
-#define MY_object_p tic30_aout_object_p
-#define MY_mkobject NAME (aout,mkobject)
-#define MY_write_object_contents tic30_aout_write_object_contents
-#define MY_set_sizes tic30_aout_set_sizes
-
-#ifndef MY_exec_hdr_flags
-#define MY_exec_hdr_flags 1
-#endif
-
-#ifndef MY_backend_data
-
-#ifndef MY_zmagic_contiguous
-#define MY_zmagic_contiguous 0
-#endif
-#ifndef MY_text_includes_header
-#define MY_text_includes_header 0
-#endif
-#ifndef MY_entry_is_text_address
-#define MY_entry_is_text_address 0
-#endif
-#ifndef MY_exec_header_not_counted
-#define MY_exec_header_not_counted 1
-#endif
-#ifndef MY_add_dynamic_symbols
-#define MY_add_dynamic_symbols 0
-#endif
-#ifndef MY_add_one_symbol
-#define MY_add_one_symbol 0
-#endif
-#ifndef MY_link_dynamic_object
-#define MY_link_dynamic_object 0
-#endif
-#ifndef MY_write_dynamic_symbol
-#define MY_write_dynamic_symbol 0
-#endif
-#ifndef MY_check_dynamic_reloc
-#define MY_check_dynamic_reloc 0
-#endif
-#ifndef MY_finish_dynamic_link
-#define MY_finish_dynamic_link 0
-#endif
-
-static bfd_boolean
-tic30_aout_set_sizes (bfd *abfd)
-{
- adata (abfd).page_size = TARGET_PAGE_SIZE;
-
-#ifdef SEGMENT_SIZE
- adata (abfd).segment_size = SEGMENT_SIZE;
-#else
- adata (abfd).segment_size = TARGET_PAGE_SIZE;
-#endif
-
-#ifdef ZMAGIC_DISK_BLOCK_SIZE
- adata (abfd).zmagic_disk_block_size = ZMAGIC_DISK_BLOCK_SIZE;
-#else
- adata (abfd).zmagic_disk_block_size = TARGET_PAGE_SIZE;
-#endif
-
- adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE;
-
- return TRUE;
-}
-
-static const struct aout_backend_data tic30_aout_backend_data =
-{
- MY_zmagic_contiguous,
- MY_text_includes_header,
- MY_entry_is_text_address,
- MY_exec_hdr_flags,
- 0, /* Text vma? */
- MY_set_sizes,
- MY_exec_header_not_counted,
- MY_add_dynamic_symbols,
- MY_add_one_symbol,
- MY_link_dynamic_object,
- MY_write_dynamic_symbol,
- MY_check_dynamic_reloc,
- MY_finish_dynamic_link
-};
-#define MY_backend_data &tic30_aout_backend_data
-#endif
-
-static reloc_howto_type *
- tic30_aout_reloc_howto (bfd *, struct reloc_std_external *, int *, int *, int *);
-static bfd_reloc_status_type
- tic30_aout_final_link_relocate
- (reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma, bfd_vma, bfd_vma);
-
-/* FIXME: This is wrong. aoutx.h should really only be included by
- aout32.c. */
-
-#include "aoutx.h"
-
-/* This function is used to work out pc-relative offsets for the
- TMS320C30. The data already placed by md_pcrel_from within gas is
- useless for a relocation, so we just get the offset value and place
- a version of this within the object code.
- tic30_aout_final_link_relocate will then calculate the required
- relocation to add on to the value in the object code. */
-
-static bfd_reloc_status_type
-tic30_aout_fix_pcrel_16 (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol ATTRIBUTE_UNUSED,
- void * data,
- asection *input_section ATTRIBUTE_UNUSED,
- bfd *output_bfd ATTRIBUTE_UNUSED,
- char **error_message ATTRIBUTE_UNUSED)
-{
- bfd_vma relocation = 1;
- bfd_byte offset_data = bfd_get_8 (abfd, (bfd_byte *) data + reloc_entry->address - 1);
-
- /* The byte before the location of the fix contains bits 23-16 of
- the pcrel instruction. Bit 21 is set for a delayed instruction
- which requires on offset of 3 instead of 1. */
- if (offset_data & 0x20)
- relocation -= 3;
- else
- relocation -= 1;
- bfd_put_16 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
- return bfd_reloc_ok;
-}
-
-/* This function is used as a callback for 16-bit relocs. This is
- required for relocations between segments. A line in aoutx.h
- requires that any relocations for the data section should point to
- the end of the aligned text section, plus an offset. By default,
- this does not happen, therefore this function takes care of
- that. */
-
-static bfd_reloc_status_type
-tic30_aout_fix_16 (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- void * data,
- asection *input_section ATTRIBUTE_UNUSED,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
-{
- bfd_vma relocation;
-
- /* Make sure that the symbol's section is defined. */
- if (bfd_is_und_section (symbol->section) && (symbol->flags & BSF_WEAK) == 0)
- return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined;
- /* Get the size of the input section and turn it into the TMS320C30
- 32-bit address format. */
- relocation = (symbol->section->vma >> 2);
- relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address);
- bfd_put_16 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
- return bfd_reloc_ok;
-}
-
-/* This function does the same thing as tic30_aout_fix_16 except for 32
- bit relocations. */
-
-static bfd_reloc_status_type
-tic30_aout_fix_32 (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- void * data,
- asection *input_section ATTRIBUTE_UNUSED,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
-{
- bfd_vma relocation;
-
- /* Make sure that the symbol's section is defined. */
- if (bfd_is_und_section (symbol->section) && (symbol->flags & BSF_WEAK) == 0)
- return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined;
- /* Get the size of the input section and turn it into the TMS320C30
- 32-bit address format. */
- relocation = (symbol->section->vma >> 2);
- relocation += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
- bfd_put_32 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
- return bfd_reloc_ok;
-}
-
-/* This table lists the relocation types for the TMS320C30. There are
- only a few relocations required, and all must be divided by 4 (>>
- 2) to get the 32-bit addresses in the format the TMS320C30 likes
- it. */
-reloc_howto_type tic30_aout_howto_table[] =
-{
- EMPTY_HOWTO (-1),
- HOWTO (1, 2, 1, 16, FALSE, 0, 0, tic30_aout_fix_16,
- "16", FALSE, 0x0000FFFF, 0x0000FFFF, FALSE),
- HOWTO (2, 2, 2, 24, FALSE, 0, complain_overflow_bitfield, NULL,
- "24", FALSE, 0x00FFFFFF, 0x00FFFFFF, FALSE),
- HOWTO (3, 18, 3, 24, FALSE, 0, complain_overflow_bitfield, NULL,
- "LDP", FALSE, 0x00FF0000, 0x000000FF, FALSE),
- HOWTO (4, 2, 4, 32, FALSE, 0, complain_overflow_bitfield, tic30_aout_fix_32,
- "32", FALSE, 0xFFFFFFFF, 0xFFFFFFFF, FALSE),
- HOWTO (5, 2, 1, 16, TRUE, 0, complain_overflow_signed,
- tic30_aout_fix_pcrel_16, "PCREL", TRUE, 0x0000FFFF, 0x0000FFFF, TRUE),
- EMPTY_HOWTO (-1),
- EMPTY_HOWTO (-1),
- EMPTY_HOWTO (-1),
- EMPTY_HOWTO (-1),
- EMPTY_HOWTO (-1)
-};
-
-
-static reloc_howto_type *
-tic30_aout_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_reloc_code_real_type code)
-{
- switch (code)
- {
- case BFD_RELOC_8:
- case BFD_RELOC_TIC30_LDP:
- return &tic30_aout_howto_table[3];
- case BFD_RELOC_16:
- return &tic30_aout_howto_table[1];
- case BFD_RELOC_24:
- return &tic30_aout_howto_table[2];
- case BFD_RELOC_16_PCREL:
- return &tic30_aout_howto_table[5];
- case BFD_RELOC_32:
- return &tic30_aout_howto_table[4];
- default:
- return NULL;
- }
-}
-
-static reloc_howto_type *
-tic30_aout_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- const char *r_name)
-{
- unsigned int i;
-
- for (i = 0;
- i < (sizeof (tic30_aout_howto_table)
- / sizeof (tic30_aout_howto_table[0]));
- i++)
- if (tic30_aout_howto_table[i].name != NULL
- && strcasecmp (tic30_aout_howto_table[i].name, r_name) == 0)
- return &tic30_aout_howto_table[i];
-
- return NULL;
-}
-
-static reloc_howto_type *
-tic30_aout_reloc_howto (bfd *abfd,
- struct reloc_std_external *relocs,
- int *r_index,
- int *r_extern,
- int *r_pcrel)
-{
- unsigned int r_length;
- unsigned int r_pcrel_done;
- int howto_index;
-
- *r_pcrel = 0;
- if (bfd_header_big_endian (abfd))
- {
- *r_index = ((relocs->r_index[0] << 16) | (relocs->r_index[1] << 8) | relocs->r_index[2]);
- *r_extern = (0 != (relocs->r_type[0] & RELOC_STD_BITS_EXTERN_BIG));
- r_pcrel_done = (0 != (relocs->r_type[0] & RELOC_STD_BITS_PCREL_BIG));
- r_length = ((relocs->r_type[0] & RELOC_STD_BITS_LENGTH_BIG) >> RELOC_STD_BITS_LENGTH_SH_BIG);
- }
- else
- {
- *r_index = ((relocs->r_index[2] << 16) | (relocs->r_index[1] << 8) | relocs->r_index[0]);
- *r_extern = (0 != (relocs->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE));
- r_pcrel_done = (0 != (relocs->r_type[0] & RELOC_STD_BITS_PCREL_LITTLE));
- r_length = ((relocs->r_type[0] & RELOC_STD_BITS_LENGTH_LITTLE) >> RELOC_STD_BITS_LENGTH_SH_LITTLE);
- }
- howto_index = r_length + 4 * r_pcrel_done;
- return tic30_aout_howto_table + howto_index;
-}
-
-/* These macros will get 24-bit values from the bfd definition.
- Big-endian only. */
-#define bfd_getb_24(BFD,ADDR) \
- (bfd_get_8 (BFD, ADDR ) << 16) | \
- (bfd_get_8 (BFD, ADDR + 1) << 8) | \
- (bfd_get_8 (BFD, ADDR + 2) )
-
-#define bfd_putb_24(BFD,DATA,ADDR) \
- bfd_put_8 (BFD, (bfd_byte) ((DATA >> 16) & 0xFF), ADDR ); \
- bfd_put_8 (BFD, (bfd_byte) ((DATA >> 8) & 0xFF), ADDR + 1); \
- bfd_put_8 (BFD, (bfd_byte) ( DATA & 0xFF), ADDR + 2)
-
-/* Set parameters about this a.out file that are machine-dependent.
- This routine is called from some_aout_object_p just before it returns. */
-
-static bfd_cleanup
-tic30_aout_callback (bfd *abfd)
-{
- struct internal_exec *execp = exec_hdr (abfd);
- unsigned int arch_align_power;
- unsigned long arch_align;
-
- /* Calculate the file positions of the parts of a newly read aout header. */
- obj_textsec (abfd)->size = N_TXTSIZE (execp);
-
- /* The virtual memory addresses of the sections. */
- obj_textsec (abfd)->vma = N_TXTADDR (execp);
- obj_datasec (abfd)->vma = N_DATADDR (execp);
- obj_bsssec (abfd)->vma = N_BSSADDR (execp);
-
- obj_textsec (abfd)->lma = obj_textsec (abfd)->vma;
- obj_datasec (abfd)->lma = obj_datasec (abfd)->vma;
- obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma;
-
- /* The file offsets of the sections. */
- obj_textsec (abfd)->filepos = N_TXTOFF (execp);
- obj_datasec (abfd)->filepos = N_DATOFF (execp);
-
- /* The file offsets of the relocation info. */
- obj_textsec (abfd)->rel_filepos = N_TRELOFF (execp);
- obj_datasec (abfd)->rel_filepos = N_DRELOFF (execp);
-
- /* The file offsets of the string table and symbol table. */
- obj_sym_filepos (abfd) = N_SYMOFF (execp);
- obj_str_filepos (abfd) = N_STROFF (execp);
-
- /* Determine the architecture and machine type of the object file. */
-#ifdef SET_ARCH_MACH
- SET_ARCH_MACH (abfd, execp);
-#else
- bfd_default_set_arch_mach (abfd, DEFAULT_ARCH, 0L);
-#endif
-
- /* Now that we know the architecture, set the alignments of the
- sections. This is normally done by NAME (aout,new_section_hook),
- but when the initial sections were created the architecture had
- not yet been set. However, for backward compatibility, we don't
- set the alignment power any higher than as required by the size
- of the section. */
- arch_align_power = bfd_get_arch_info (abfd)->section_align_power;
- arch_align = 1 << arch_align_power;
- if ((BFD_ALIGN (obj_textsec (abfd)->size, arch_align)
- == obj_textsec (abfd)->size)
- && (BFD_ALIGN (obj_datasec (abfd)->size, arch_align)
- == obj_datasec (abfd)->size)
- && (BFD_ALIGN (obj_bsssec (abfd)->size, arch_align)
- == obj_bsssec (abfd)->size))
- {
- obj_textsec (abfd)->alignment_power = arch_align_power;
- obj_datasec (abfd)->alignment_power = arch_align_power;
- obj_bsssec (abfd)->alignment_power = arch_align_power;
- }
- return _bfd_no_cleanup;
-}
-
-static bfd_reloc_status_type
-tic30_aout_relocate_contents (reloc_howto_type *howto,
- bfd *input_bfd,
- bfd_vma relocation,
- bfd_byte *location)
-{
- bfd_vma x;
- bfd_boolean overflow;
-
- if (howto->size < 0)
- relocation = -relocation;
-
- switch (howto->size)
- {
- default:
- case 0:
- abort ();
- break;
- case 1:
- x = bfd_get_16 (input_bfd, location);
- break;
- case 2:
- x = bfd_getb_24 (input_bfd, location);
- break;
- case 3:
- x = bfd_get_8 (input_bfd, location);
- break;
- case 4:
- x = bfd_get_32 (input_bfd, location);
- break;
- }
-
- overflow = FALSE;
-
- if (howto->complain_on_overflow != complain_overflow_dont)
- {
- bfd_vma check;
- bfd_signed_vma signed_check;
- bfd_vma add;
- bfd_signed_vma signed_add;
-
- if (howto->rightshift == 0)
- {
- check = relocation;
- signed_check = (bfd_signed_vma) relocation;
- }
- else
- {
- check = relocation >> howto->rightshift;
- if ((bfd_signed_vma) relocation >= 0)
- signed_check = check;
- else
- signed_check = (check | ((bfd_vma) - 1 & ~((bfd_vma) - 1 >> howto->rightshift)));
- }
- add = x & howto->src_mask;
- signed_add = add;
- if ((add & (((~howto->src_mask) >> 1) & howto->src_mask)) != 0)
- signed_add -= (((~howto->src_mask) >> 1) & howto->src_mask) << 1;
- if (howto->bitpos == 0)
- {
- check += add;
- signed_check += signed_add;
- }
- else
- {
- check += add >> howto->bitpos;
- if (signed_add >= 0)
- signed_check += add >> howto->bitpos;
- else
- signed_check += ((add >> howto->bitpos) | ((bfd_vma) - 1 & ~((bfd_vma) - 1 >> howto->bitpos)));
- }
- switch (howto->complain_on_overflow)
- {
- case complain_overflow_signed:
- {
- bfd_signed_vma reloc_signed_max = (1 << (howto->bitsize - 1)) - 1;
- bfd_signed_vma reloc_signed_min = ~reloc_signed_max;
-
- if (signed_check > reloc_signed_max || signed_check < reloc_signed_min)
- overflow = TRUE;
- }
- break;
- case complain_overflow_unsigned:
- {
- bfd_vma reloc_unsigned_max = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
-
- if (check > reloc_unsigned_max)
- overflow = TRUE;
- }
- break;
- case complain_overflow_bitfield:
- {
- bfd_vma reloc_bits = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
-
- if ((check & ~reloc_bits) != 0
- && (((bfd_vma) signed_check & ~reloc_bits)
- != ((bfd_vma) -1 & ~reloc_bits)))
- overflow = TRUE;
- }
- break;
- default:
- abort ();
- }
- }
- relocation >>= (bfd_vma) howto->rightshift;
- relocation <<= (bfd_vma) howto->bitpos;
- x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask));
- switch (howto->size)
- {
- default:
- case 0:
- abort ();
- break;
- case 1:
- bfd_put_16 (input_bfd, x, location);
- break;
- case 2:
- bfd_putb_24 (input_bfd, x, location);
- break;
- case 3:
- bfd_put_8 (input_bfd, x, location);
- break;
- case 4:
- bfd_put_32 (input_bfd, x, location);
- break;
- }
- return overflow ? bfd_reloc_overflow : bfd_reloc_ok;
-}
-
-static bfd_reloc_status_type
-tic30_aout_final_link_relocate (reloc_howto_type *howto,
- bfd *input_bfd,
- asection *input_section,
- bfd_byte *contents,
- bfd_vma address,
- bfd_vma value,
- bfd_vma addend)
-{
- bfd_vma relocation;
-
- if (address > bfd_get_section_limit (input_bfd, input_section))
- return bfd_reloc_outofrange;
-
- relocation = value + addend;
- if (howto->pc_relative)
- {
- relocation -= (input_section->output_section->vma + input_section->output_offset);
- if (howto->pcrel_offset)
- relocation -= address;
- }
- return tic30_aout_relocate_contents (howto, input_bfd, relocation,
- contents + address);
-}
-
-/* Finish up the reading of an a.out file header. */
-
-static bfd_cleanup
-tic30_aout_object_p (bfd *abfd)
-{
- struct external_exec exec_bytes; /* Raw exec header from file. */
- struct internal_exec exec; /* Cleaned-up exec header. */
- bfd_cleanup cleanup;
- size_t amt = EXEC_BYTES_SIZE;
-
- if (bfd_bread (& exec_bytes, amt, abfd) != amt)
- {
- if (bfd_get_error () != bfd_error_system_call)
- bfd_set_error (bfd_error_wrong_format);
- return 0;
- }
-
-#ifdef SWAP_MAGIC
- exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
-#else
- exec.a_info = H_GET_32 (abfd, exec_bytes.e_info);
-#endif /* SWAP_MAGIC */
-
- if (N_BADMAG (&exec))
- return 0;
-#ifdef MACHTYPE_OK
- if (!(MACHTYPE_OK (N_MACHTYPE (&exec))))
- return 0;
-#endif
-
- NAME (aout, swap_exec_header_in) (abfd, &exec_bytes, &exec);
-
-#ifdef SWAP_MAGIC
- /* Swap_exec_header_in read in a_info with the wrong byte order. */
- exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
-#endif
-
- cleanup = NAME (aout, some_aout_object_p) (abfd, &exec, tic30_aout_callback);
-
-#ifdef ENTRY_CAN_BE_ZERO
- /* The NEWSOS3 entry-point is/was 0, which (amongst other lossage)
- means that it isn't obvious if EXEC_P should be set.
- All of the following must be true for an executable:
- There must be no relocations, the bfd can be neither an
- archive nor an archive element, and the file must be executable. */
-
- if (exec.a_trsize + exec.a_drsize == 0
- && bfd_get_format (abfd) == bfd_object && abfd->my_archive == NULL)
- {
- struct stat buf;
-#ifndef S_IXUSR
-#define S_IXUSR 0100 /* Execute by owner. */
-#endif
- if (stat (abfd->filename, &buf) == 0 && (buf.st_mode & S_IXUSR))
- abfd->flags |= EXEC_P;
- }
-#endif
-
- return cleanup;
-}
-
-/* Copy private section data. This actually does nothing with the
- sections. It copies the subformat field. We copy it here, because
- we need to know whether this is a QMAGIC file before we set the
- section contents, and copy_private_bfd_data is not called until
- after the section contents have been set. */
-
-static bfd_boolean
-MY_bfd_copy_private_section_data (bfd *ibfd,
- asection *isec ATTRIBUTE_UNUSED,
- bfd *obfd,
- asection *osec ATTRIBUTE_UNUSED)
-{
- if (bfd_get_flavour (obfd) == bfd_target_aout_flavour)
- obj_aout_subformat (obfd) = obj_aout_subformat (ibfd);
- return TRUE;
-}
-
-/* Write an object file.
- Section contents have already been written. We write the
- file header, symbols, and relocation. */
-
-static bfd_boolean
-tic30_aout_write_object_contents (bfd *abfd)
-{
- struct external_exec exec_bytes;
- struct internal_exec *execp = exec_hdr (abfd);
-
- obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
-
- {
- if (adata (abfd).magic == undecided_magic)
- NAME (aout, adjust_sizes_and_vmas) (abfd);
-
- execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE;
- execp->a_entry = bfd_get_start_address (abfd);
-
- execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * obj_reloc_entry_size (abfd));
- execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * obj_reloc_entry_size (abfd));
- NAME (aout, swap_exec_header_out) (abfd, execp, &exec_bytes);
-
- if (adata (abfd).exec_bytes_size > 0)
- {
- bfd_size_type amt;
-
- if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
- return FALSE;
- amt = adata (abfd).exec_bytes_size;
- if (bfd_bwrite (& exec_bytes, amt, abfd) != amt)
- return FALSE;
- }
-
- /* Now write out reloc info, followed by syms and strings. */
- if (bfd_get_outsymbols (abfd) != (asymbol **) NULL
- && bfd_get_symcount (abfd) != 0)
- {
- if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (execp)), SEEK_SET) != 0)
- return FALSE;
-
- if (!NAME (aout, write_syms) (abfd))
- return FALSE;
- }
-
- if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (execp)), SEEK_SET) != 0)
- return FALSE;
- if (!NAME (aout, squirt_out_relocs) (abfd, obj_textsec (abfd)))
- return FALSE;
-
- if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (execp)), SEEK_SET) != 0)
- return FALSE;
- if (!NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd)))
- return FALSE;
- }
-
- return TRUE;
-}
-
-#ifndef MY_final_link_callback
-
-/* Callback for the final_link routine to set the section offsets. */
-
-static void
-MY_final_link_callback (bfd *abfd,
- file_ptr *ptreloff,
- file_ptr *pdreloff,
- file_ptr *psymoff)
-{
- struct internal_exec *execp = exec_hdr (abfd);
-
- *ptreloff = obj_datasec (abfd)->filepos + execp->a_data;
- *pdreloff = *ptreloff + execp->a_trsize;
- *psymoff = *pdreloff + execp->a_drsize;
-}
-
-#endif
-
-#ifndef MY_bfd_final_link
-
-/* Final link routine. We need to use a call back to get the correct
- offsets in the output file. */
-
-static bfd_boolean
-MY_bfd_final_link (bfd *abfd, struct bfd_link_info *info)
-{
- struct internal_exec *execp = exec_hdr (abfd);
- asection *objsym_section;
- file_ptr pos;
- bfd_vma vma = 0;
-
- /* Set the executable header size to 0, as we don't want one for an
- output. FIXME: Really? tic30_aout_object_p doesn't accept such
- an executable! */
- adata (abfd).exec_bytes_size = 0;
-
- pos = adata (abfd).exec_bytes_size;
- /* ??? Why are we looking at create_object_symbols_section? */
- objsym_section = info->create_object_symbols_section;
- if (objsym_section != NULL)
- vma = objsym_section->vma;
-
- /* Text. */
- if (obj_textsec (abfd) != NULL)
- {
- pos += vma;
- obj_textsec (abfd)->filepos = pos;
- obj_textsec (abfd)->vma = vma;
- obj_textsec (abfd)->user_set_vma = 1;
- execp->a_text = obj_textsec (abfd)->size;
- pos += obj_textsec (abfd)->size;
- vma += obj_textsec (abfd)->size;
- }
-
- /* Data. */
- if (obj_datasec (abfd) != NULL)
- {
- if (abfd->flags & D_PAGED)
- {
- if (objsym_section != NULL
- && objsym_section->next != NULL
- && objsym_section->next->vma != 0)
- obj_datasec (abfd)->vma = objsym_section->next->vma;
- else
- obj_datasec (abfd)->vma = BFD_ALIGN (vma, adata (abfd).segment_size);
- }
- else
- obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
-
- if (obj_datasec (abfd)->vma < vma)
- obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
-
- pos += obj_datasec (abfd)->vma - vma;
- obj_datasec (abfd)->filepos = pos;
- obj_datasec (abfd)->user_set_vma = 1;
-
- vma = obj_datasec (abfd)->vma;
- if (obj_textsec (abfd) != NULL)
- {
- execp->a_text = vma - obj_textsec (abfd)->vma;
- obj_textsec (abfd)->size = execp->a_text;
- }
- execp->a_data = obj_datasec (abfd)->size;
- vma += obj_datasec (abfd)->size;
- }
-
- /* Since BSS follows data immediately, see if it needs alignment. */
- if (obj_bsssec (abfd) != NULL)
- {
- int pad;
-
- pad = align_power (vma, obj_bsssec (abfd)->alignment_power) - vma;
- if (obj_datasec (abfd) != NULL)
- {
- obj_datasec (abfd)->size += pad;
- execp->a_data += pad;
- }
- else if (obj_textsec (abfd) != NULL)
- {
- obj_textsec (abfd)->size += pad;
- execp->a_text += pad;
- }
-
- /* BSS. */
- vma += pad;
- obj_bsssec (abfd)->vma = vma;
- obj_bsssec (abfd)->user_set_vma = 1;
- }
-
- /* We are fully resized, so don't readjust in final_link. */
- adata (abfd).magic = z_magic;
-
- return NAME (aout, final_link) (abfd, info, MY_final_link_callback);
-}
-
-#endif
-
-static enum machine_type
-tic30_aout_machine_type (enum bfd_architecture arch,
- unsigned long machine ATTRIBUTE_UNUSED,
- bfd_boolean *unknown)
-{
- enum machine_type arch_flags;
-
- arch_flags = M_UNKNOWN;
- *unknown = TRUE;
-
- switch (arch)
- {
- case bfd_arch_tic30:
- *unknown = FALSE;
- break;
- default:
- arch_flags = M_UNKNOWN;
- }
- if (arch_flags != M_UNKNOWN)
- *unknown = FALSE;
- return arch_flags;
-}
-
-static bfd_boolean
-tic30_aout_set_arch_mach (bfd *abfd,
- enum bfd_architecture arch,
- unsigned long machine)
-{
- if (!bfd_default_set_arch_mach (abfd, arch, machine))
- return FALSE;
- if (arch != bfd_arch_unknown)
- {
- bfd_boolean unknown;
- tic30_aout_machine_type (arch, machine, &unknown);
- if (unknown)
- return FALSE;
- }
- obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
- return (*aout_backend_info (abfd)->set_sizes) (abfd);
-}
-
-/* We assume BFD generic archive files. */
-#ifndef MY_openr_next_archived_file
-#define MY_openr_next_archived_file bfd_generic_openr_next_archived_file
-#endif
-#ifndef MY_get_elt_at_index
-#define MY_get_elt_at_index _bfd_generic_get_elt_at_index
-#endif
-#ifndef MY_generic_stat_arch_elt
-#define MY_generic_stat_arch_elt bfd_generic_stat_arch_elt
-#endif
-#ifndef MY_slurp_armap
-#define MY_slurp_armap bfd_slurp_bsd_armap
-#endif
-#ifndef MY_slurp_extended_name_table
-#define MY_slurp_extended_name_table _bfd_slurp_extended_name_table
-#endif
-#ifndef MY_construct_extended_name_table
-#define MY_construct_extended_name_table \
- _bfd_archive_bsd_construct_extended_name_table
-#endif
-#ifndef MY_write_armap
-#define MY_write_armap _bfd_bsd_write_armap
-#endif
-#ifndef MY_read_ar_hdr
-#define MY_read_ar_hdr _bfd_generic_read_ar_hdr
-#endif
-#ifndef MY_write_ar_hdr
-#define MY_write_ar_hdr _bfd_generic_write_ar_hdr
-#endif
-#ifndef MY_truncate_arname
-#define MY_truncate_arname bfd_bsd_truncate_arname
-#endif
-#ifndef MY_update_armap_timestamp
-#define MY_update_armap_timestamp _bfd_archive_bsd_update_armap_timestamp
-#endif
-
-/* No core file defined here -- configure in trad-core.c separately. */
-#ifndef MY_core_file_failing_command
-#define MY_core_file_failing_command _bfd_nocore_core_file_failing_command
-#endif
-#ifndef MY_core_file_failing_signal
-#define MY_core_file_failing_signal _bfd_nocore_core_file_failing_signal
-#endif
-#ifndef MY_core_file_matches_executable_p
-#define MY_core_file_matches_executable_p \
- _bfd_nocore_core_file_matches_executable_p
-#endif
-#ifndef MY_core_file_pid
-#define MY_core_file_pid _bfd_nocore_core_file_pid
-#endif
-#ifndef MY_core_file_p
-#define MY_core_file_p _bfd_dummy_target
-#endif
-
-#ifndef MY_bfd_debug_info_start
-#define MY_bfd_debug_info_start _bfd_void_bfd
-#endif
-#ifndef MY_bfd_debug_info_end
-#define MY_bfd_debug_info_end _bfd_void_bfd
-#endif
-#ifndef MY_bfd_debug_info_accumulate
-#define MY_bfd_debug_info_accumulate _bfd_void_bfd_asection
-#endif
-
-#ifndef MY_core_file_failing_command
-#define MY_core_file_failing_command NAME (aout, core_file_failing_command)
-#endif
-#ifndef MY_core_file_failing_signal
-#define MY_core_file_failing_signal NAME (aout, core_file_failing_signal)
-#endif
-#ifndef MY_core_file_matches_executable_p
-#define MY_core_file_matches_executable_p NAME (aout, core_file_matches_executable_p)
-#endif
-#ifndef MY_set_section_contents
-#define MY_set_section_contents NAME (aout, set_section_contents)
-#endif
-#ifndef MY_get_section_contents
-#define MY_get_section_contents aout_32_get_section_contents
-#endif
-#ifndef MY_get_section_contents_in_window
-#define MY_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
-#endif
-#ifndef MY_new_section_hook
-#define MY_new_section_hook NAME (aout, new_section_hook)
-#endif
-#ifndef MY_get_symtab_upper_bound
-#define MY_get_symtab_upper_bound NAME (aout, get_symtab_upper_bound)
-#endif
-#ifndef MY_canonicalize_symtab
-#define MY_canonicalize_symtab NAME (aout, canonicalize_symtab)
-#endif
-#ifndef MY_get_reloc_upper_bound
-#define MY_get_reloc_upper_bound NAME (aout, get_reloc_upper_bound)
-#endif
-#ifndef MY_canonicalize_reloc
-#define MY_canonicalize_reloc NAME (aout, canonicalize_reloc)
-#endif
-#ifndef MY_set_reloc
-#define MY_set_reloc _bfd_generic_set_reloc
-#endif
-#ifndef MY_make_empty_symbol
-#define MY_make_empty_symbol NAME (aout, make_empty_symbol)
-#endif
-#ifndef MY_print_symbol
-#define MY_print_symbol NAME (aout, print_symbol)
-#endif
-#ifndef MY_get_symbol_info
-#define MY_get_symbol_info NAME (aout, get_symbol_info)
-#endif
-#ifndef MY_get_symbol_version_string
-#define MY_get_symbol_version_string \
- _bfd_nosymbols_get_symbol_version_string
-#endif
-#ifndef MY_get_lineno
-#define MY_get_lineno NAME (aout, get_lineno)
-#endif
-#ifndef MY_set_arch_mach
-#define MY_set_arch_mach tic30_aout_set_arch_mach
-#endif
-#ifndef MY_find_nearest_line
-#define MY_find_nearest_line NAME (aout, find_nearest_line)
-#endif
-#ifndef MY_find_line
-#define MY_find_line _bfd_nosymbols_find_line
-#endif
-#ifndef MY_find_inliner_info
-#define MY_find_inliner_info _bfd_nosymbols_find_inliner_info
-#endif
-#ifndef MY_sizeof_headers
-#define MY_sizeof_headers NAME (aout, sizeof_headers)
-#endif
-#ifndef MY_bfd_get_relocated_section_contents
-#define MY_bfd_get_relocated_section_contents \
- bfd_generic_get_relocated_section_contents
-#endif
-#ifndef MY_bfd_relax_section
-#define MY_bfd_relax_section bfd_generic_relax_section
-#endif
-#ifndef MY_bfd_gc_sections
-#define MY_bfd_gc_sections bfd_generic_gc_sections
-#endif
-#ifndef MY_bfd_lookup_section_flags
-#define MY_bfd_lookup_section_flags bfd_generic_lookup_section_flags
-#endif
-#ifndef MY_bfd_merge_sections
-#define MY_bfd_merge_sections bfd_generic_merge_sections
-#endif
-#ifndef MY_bfd_is_group_section
-#define MY_bfd_is_group_section bfd_generic_is_group_section
-#endif
-#ifndef MY_bfd_group_name
-#define MY_bfd_group_name bfd_generic_group_name
-#endif
-#ifndef MY_bfd_discard_group
-#define MY_bfd_discard_group bfd_generic_discard_group
-#endif
-#ifndef MY_section_already_linked
-#define MY_section_already_linked \
- _bfd_generic_section_already_linked
-#endif
-#ifndef MY_bfd_define_common_symbol
-#define MY_bfd_define_common_symbol bfd_generic_define_common_symbol
-#endif
-#ifndef MY_bfd_link_hide_symbol
-#define MY_bfd_link_hide_symbol _bfd_generic_link_hide_symbol
-#endif
-#ifndef MY_bfd_define_start_stop
-#define MY_bfd_define_start_stop bfd_generic_define_start_stop
-#endif
-#ifndef MY_bfd_reloc_type_lookup
-#define MY_bfd_reloc_type_lookup tic30_aout_reloc_type_lookup
-#endif
-#ifndef MY_bfd_reloc_name_lookup
-#define MY_bfd_reloc_name_lookup tic30_aout_reloc_name_lookup
-#endif
-#ifndef MY_bfd_make_debug_symbol
-#define MY_bfd_make_debug_symbol 0
-#endif
-#ifndef MY_read_minisymbols
-#define MY_read_minisymbols NAME (aout, read_minisymbols)
-#endif
-#ifndef MY_minisymbol_to_symbol
-#define MY_minisymbol_to_symbol NAME (aout, minisymbol_to_symbol)
-#endif
-#ifndef MY_bfd_link_hash_table_create
-#define MY_bfd_link_hash_table_create NAME (aout, link_hash_table_create)
-#endif
-#ifndef MY_bfd_link_add_symbols
-#define MY_bfd_link_add_symbols NAME (aout, link_add_symbols)
-#endif
-#ifndef MY_bfd_link_just_syms
-#define MY_bfd_link_just_syms _bfd_generic_link_just_syms
-#endif
-#ifndef MY_bfd_copy_link_hash_symbol_type
-#define MY_bfd_copy_link_hash_symbol_type \
- _bfd_generic_copy_link_hash_symbol_type
-#endif
-#ifndef MY_bfd_link_split_section
-#define MY_bfd_link_split_section _bfd_generic_link_split_section
-#endif
-
-#ifndef MY_bfd_link_check_relocs
-#define MY_bfd_link_check_relocs _bfd_generic_link_check_relocs
-#endif
-
-#ifndef MY_bfd_copy_private_bfd_data
-#define MY_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
-#endif
-
-#ifndef MY_bfd_merge_private_bfd_data
-#define MY_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
-#endif
-
-#ifndef MY_bfd_copy_private_symbol_data
-#define MY_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
-#endif
-
-#ifndef MY_bfd_copy_private_header_data
-#define MY_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
-#endif
-
-#ifndef MY_bfd_print_private_bfd_data
-#define MY_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
-#endif
-
-#ifndef MY_bfd_set_private_flags
-#define MY_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
-#endif
-
-#ifndef MY_bfd_is_local_label_name
-#define MY_bfd_is_local_label_name bfd_generic_is_local_label_name
-#endif
-
-#ifndef MY_bfd_is_target_special_symbol
-#define MY_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
-#endif
-
-#ifndef MY_bfd_free_cached_info
-#define MY_bfd_free_cached_info NAME (aout, bfd_free_cached_info)
-#endif
-
-#ifndef MY_close_and_cleanup
-#define MY_close_and_cleanup MY_bfd_free_cached_info
-#endif
-
-#ifndef MY_get_dynamic_symtab_upper_bound
-#define MY_get_dynamic_symtab_upper_bound \
- _bfd_nodynamic_get_dynamic_symtab_upper_bound
-#endif
-#ifndef MY_canonicalize_dynamic_symtab
-#define MY_canonicalize_dynamic_symtab \
- _bfd_nodynamic_canonicalize_dynamic_symtab
-#endif
-#ifndef MY_get_synthetic_symtab
-#define MY_get_synthetic_symtab \
- _bfd_nodynamic_get_synthetic_symtab
-#endif
-#ifndef MY_get_dynamic_reloc_upper_bound
-#define MY_get_dynamic_reloc_upper_bound \
- _bfd_nodynamic_get_dynamic_reloc_upper_bound
-#endif
-#ifndef MY_canonicalize_dynamic_reloc
-#define MY_canonicalize_dynamic_reloc \
- _bfd_nodynamic_canonicalize_dynamic_reloc
-#endif
-
-/* Aout symbols normally have leading underscores. */
-#ifndef MY_symbol_leading_char
-#define MY_symbol_leading_char '_'
-#endif
-
-/* Aout archives normally use spaces for padding. */
-#ifndef AR_PAD_CHAR
-#define AR_PAD_CHAR ' '
-#endif
-
-#ifndef MY_BFD_TARGET
-const bfd_target tic30_aout_vec =
-{
- TARGETNAME, /* Name. */
- bfd_target_aout_flavour,
- BFD_ENDIAN_BIG, /* Target byte order (big). */
- BFD_ENDIAN_BIG, /* Target headers byte order (big). */
- (HAS_RELOC | /* Object flags. */
- HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */
- MY_symbol_leading_char,
- AR_PAD_CHAR, /* AR_pad_char. */
- 15, /* AR_max_namelen. */
- 0, /* match priority. */
- bfd_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
- bfd_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */
- { /* bfd_check_format. */
- _bfd_dummy_target,
- MY_object_p,
- bfd_generic_archive_p,
- MY_core_file_p
- },
- { /* bfd_set_format. */
- _bfd_bool_bfd_false_error,
- MY_mkobject,
- _bfd_generic_mkarchive,
- _bfd_bool_bfd_false_error
- },
- { /* bfd_write_contents. */
- _bfd_bool_bfd_false_error,
- MY_write_object_contents,
- _bfd_write_archive_contents,
- _bfd_bool_bfd_false_error
- },
-
- BFD_JUMP_TABLE_GENERIC (MY),
- BFD_JUMP_TABLE_COPY (MY),
- BFD_JUMP_TABLE_CORE (MY),
- BFD_JUMP_TABLE_ARCHIVE (MY),
- BFD_JUMP_TABLE_SYMBOLS (MY),
- BFD_JUMP_TABLE_RELOCS (MY),
- BFD_JUMP_TABLE_WRITE (MY),
- BFD_JUMP_TABLE_LINK (MY),
- BFD_JUMP_TABLE_DYNAMIC (MY),
-
- NULL,
-
- MY_backend_data
-};
-#endif /* MY_BFD_TARGET */
projects / binutils-gdb.git / commitdiff