diff options
Diffstat (limited to 'bfd/aout-tic30.c')
| -rw-r--r-- | bfd/aout-tic30.c | 1067 |
1 files changed, 0 insertions, 1067 deletions
diff --git a/bfd/aout-tic30.c b/bfd/aout-tic30.c deleted file mode 100644 index d02cf0d9b5a..00000000000 --- a/bfd/aout-tic30.c +++ /dev/null @@ -1,1067 +0,0 @@ -/* BFD back-end for TMS320C30 a.out binaries. - Copyright 1998, 1999, 2000 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 2 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., 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ - -#define TARGET_IS_BIG_ENDIAN_P -#define N_HEADER_IN_TEXT(x) 1 -#define BYTES_IN_WORD 4 -#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 - -#define MY(OP) CAT(tic30_aout_,OP) -#define TARGETNAME "a.out-tic30" -#define NAME(x,y) CAT3(tic30_aout,_32_,y) - -#include "bfd.h" -#include "sysdep.h" -#include "libaout.h" - -#include "aout/aout64.h" -#include "aout/stab_gnu.h" -#include "aout/ar.h" - -static bfd_reloc_status_type tic30_aout_fix_16 - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type tic30_aout_fix_32 - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type tic30_aout_fix_pcrel_16 - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static reloc_howto_type *tic30_aout_reloc_howto - PARAMS ((bfd *, struct reloc_std_external *, int *, int *, int *)); -static bfd_reloc_status_type tic30_aout_relocate_contents - PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *)); -static bfd_reloc_status_type tic30_aout_final_link_relocate - PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma, - bfd_vma, bfd_vma)); -static const bfd_target *tic30_aout_object_p PARAMS ((bfd *)); -static boolean tic30_aout_write_object_contents PARAMS ((bfd *)); -static boolean tic30_aout_set_sizes PARAMS ((bfd *)); - -#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 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 - -/* FIXME: This is wrong. aoutx.h should really only be included by - aout32.c. */ - -#include "aoutx.h" - -/* 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) -}; - -extern reloc_howto_type *NAME (aout, reloc_type_lookup) (); - -reloc_howto_type * -tic30_aout_reloc_type_lookup (abfd, code) - 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 (reloc_howto_type *) NULL; - } -} - -static reloc_howto_type * -tic30_aout_reloc_howto (abfd, relocs, r_index, r_extern, r_pcrel) - 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 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); - } - index = r_length + 4 * r_pcrel_done; - return tic30_aout_howto_table + index; -} - -/* 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 (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR 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 (symbol->section == &bfd_und_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 (abfd, reloc_entry, symbol, data, input_section, - output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR 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 (symbol->section == &bfd_und_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 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 (abfd, reloc_entry, symbol, data, input_section, - output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol ATTRIBUTE_UNUSED; - PTR 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; -} - -/* 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 const bfd_target * -tic30_aout_callback (abfd) - 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)->_raw_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, 0); -#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)->_raw_size, arch_align) - == obj_textsec (abfd)->_raw_size) - && (BFD_ALIGN (obj_datasec (abfd)->_raw_size, arch_align) - == obj_datasec (abfd)->_raw_size) - && (BFD_ALIGN (obj_bsssec (abfd)->_raw_size, arch_align) - == obj_bsssec (abfd)->_raw_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 abfd->xvec; -} - -static bfd_reloc_status_type -tic30_aout_final_link_relocate (howto, input_bfd, input_section, contents, - address, value, addend) - 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 > input_section->_raw_size) - 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); -} - -bfd_reloc_status_type -tic30_aout_relocate_contents (howto, input_bfd, relocation, location) - reloc_howto_type *howto; - bfd *input_bfd; - bfd_vma relocation; - bfd_byte *location; -{ - bfd_vma x; - 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) != (-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; -} - -/* Finish up the reading of an a.out file header */ - -static const bfd_target * -tic30_aout_object_p (abfd) - bfd *abfd; -{ - struct external_exec exec_bytes; /* Raw exec header from file */ - struct internal_exec exec; /* Cleaned-up exec header */ - const bfd_target *target; - - if (bfd_read ((PTR) & exec_bytes, 1, EXEC_BYTES_SIZE, abfd) - != EXEC_BYTES_SIZE) - { - 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 = bfd_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 /* SWAP_MAGIC */ - - target = 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 /* ENTRY_CAN_BE_ZERO */ - - return target; -} - -/* 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 boolean -MY_bfd_copy_private_section_data (ibfd, isec, obfd, osec) - 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 boolean -tic30_aout_write_object_contents (abfd) - bfd *abfd; -{ - struct external_exec exec_bytes; - struct internal_exec *execp = exec_hdr (abfd); - - obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; - - { - bfd_size_type text_size; /* dummy vars */ - file_ptr text_end; - if (adata (abfd).magic == undecided_magic) - NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end); - - 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) - { - if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) - return false; - if (bfd_write ((PTR) & exec_bytes, 1, adata (abfd).exec_bytes_size, abfd) != adata (abfd).exec_bytes_size) - 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; -} - -static boolean -tic30_aout_set_sizes (abfd) - 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; -} - -#ifndef MY_final_link_callback - -/* Callback for the final_link routine to set the section offsets. */ - -static void MY_final_link_callback - PARAMS ((bfd *, file_ptr *, file_ptr *, file_ptr *)); - -static void -MY_final_link_callback (abfd, ptreloff, pdreloff, psymoff) - 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 boolean -MY_bfd_final_link (abfd, info) - bfd *abfd; - struct bfd_link_info *info; -{ - struct internal_exec *execp = exec_hdr (abfd); - file_ptr pos; - bfd_vma vma = 0; - int pad; - - /* Set the executable header size to 0, as we don't want one for an - output. */ - adata (abfd).exec_bytes_size = 0; - pos = adata (abfd).exec_bytes_size; - /* Text. */ - vma = info->create_object_symbols_section->vma; - pos += vma; - obj_textsec (abfd)->filepos = pos; - obj_textsec (abfd)->vma = vma; - obj_textsec (abfd)->user_set_vma = 1; - pos += obj_textsec (abfd)->_raw_size; - vma += obj_textsec (abfd)->_raw_size; - - /* Data. */ - if (abfd->flags & D_PAGED) - { - if (info->create_object_symbols_section->next->vma > 0) - obj_datasec (abfd)->vma = info->create_object_symbols_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); - } - obj_datasec (abfd)->user_set_vma = 1; - vma = obj_datasec (abfd)->vma; - obj_datasec (abfd)->filepos = vma + adata (abfd).exec_bytes_size; - execp->a_text = vma - obj_textsec (abfd)->vma; - obj_textsec (abfd)->_raw_size = execp->a_text; - - /* Since BSS follows data immediately, see if it needs alignment. */ - vma += obj_datasec (abfd)->_raw_size; - pad = align_power (vma, obj_bsssec (abfd)->alignment_power) - vma; - obj_datasec (abfd)->_raw_size += pad; - pos += obj_datasec (abfd)->_raw_size; - execp->a_data = obj_datasec (abfd)->_raw_size; - - /* BSS. */ - 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 - -enum machine_type -tic30_aout_machine_type (arch, machine, unknown) - enum bfd_architecture arch; - unsigned long machine ATTRIBUTE_UNUSED; - 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; -} - -boolean -tic30_aout_set_arch_mach (abfd, arch, machine) - 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) - { - 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 bsd_write_armap -#endif -#ifndef MY_read_ar_hdr -#define MY_read_ar_hdr _bfd_generic_read_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_p -#define MY_core_file_p _bfd_dummy_target -#endif - -#ifndef MY_bfd_debug_info_start -#define MY_bfd_debug_info_start bfd_void -#endif -#ifndef MY_bfd_debug_info_end -#define MY_bfd_debug_info_end bfd_void -#endif -#ifndef MY_bfd_debug_info_accumulate -#define MY_bfd_debug_info_accumulate \ - (void (*) PARAMS ((bfd*, struct sec *))) bfd_void -#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_get_symtab -#define MY_get_symtab NAME(aout,get_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_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_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_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_merge_sections -#define MY_bfd_merge_sections bfd_generic_merge_sections -#endif -#ifndef MY_bfd_reloc_type_lookup -#define MY_bfd_reloc_type_lookup tic30_aout_reloc_type_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_split_section -#define MY_bfd_link_split_section _bfd_generic_link_split_section -#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_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_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_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 */ - 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, /* hdrs */ - {_bfd_dummy_target, MY_object_p, /* bfd_check_format */ - bfd_generic_archive_p, MY_core_file_p}, - {bfd_false, MY_mkobject, /* bfd_set_format */ - _bfd_generic_mkarchive, bfd_false}, - {bfd_false, MY_write_object_contents, /* bfd_write_contents */ - _bfd_write_archive_contents, bfd_false}, - - 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, - - (PTR) MY_backend_data -}; -#endif /* MY_BFD_TARGET */ |