/* BFD back-end for os9000 i386 binaries.
- Copyright 1990, 1991, 1992, 1993 1994 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2001, 2002,
+ 2004, 2005, 2006, 2007, 2009, 2011, 2012 Free Software Foundation, Inc.
Written by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 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.
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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. */
-
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "bfdlink.h"
#include "libaout.h" /* BFD a.out internal data structures */
#include "os9k.h"
-static bfd_target *os9k_callback PARAMS ((bfd *));
-
/* Swaps the information in an executable header taken from a raw byte
stream memory image, into the internal exec_header structure. */
-void
-DEFUN(os9k_swap_exec_header_in,(abfd, raw_bytes, execp),
- bfd *abfd AND
- mh_com *raw_bytes AND
- struct internal_exec *execp)
+static bfd_boolean
+os9k_swap_exec_header_in (bfd *abfd,
+ mh_com *raw_bytes,
+ struct internal_exec *execp)
{
- mh_com *bytes = (mh_com *)raw_bytes;
+ mh_com *bytes = (mh_com *) raw_bytes;
unsigned int dload, dmemsize, dmemstart;
/* Now fill in fields in the execp, from the bytes in the raw data. */
- execp->a_info = bfd_h_get_16 (abfd, bytes->m_sync);
- execp->a_syms = 0;
- execp->a_entry = bfd_h_get_32 (abfd, bytes->m_exec);
+ execp->a_info = H_GET_16 (abfd, bytes->m_sync);
+ execp->a_syms = 0;
+ execp->a_entry = H_GET_32 (abfd, bytes->m_exec);
execp->a_talign = 2;
execp->a_dalign = 2;
execp->a_balign = 2;
- dload = bfd_h_get_32 (abfd, bytes->m_idata);
+ dload = H_GET_32 (abfd, bytes->m_idata);
execp->a_data = dload + 8;
- bfd_seek(abfd, (file_ptr)dload, SEEK_SET);
- bfd_read(&dmemstart, sizeof(dmemstart), 1, abfd);
- bfd_read(&dmemsize, sizeof(dmemsize), 1, abfd);
+ if (bfd_seek (abfd, (file_ptr) dload, SEEK_SET) != 0
+ || (bfd_bread (&dmemstart, (bfd_size_type) sizeof (dmemstart), abfd)
+ != sizeof (dmemstart))
+ || (bfd_bread (&dmemsize, (bfd_size_type) sizeof (dmemsize), abfd)
+ != sizeof (dmemsize)))
+ return FALSE;
- execp->a_tload = 0;
- execp->a_dload = bfd_h_get_32 (abfd, (unsigned char *)&dmemstart);
+ execp->a_tload = 0;
+ execp->a_dload = H_GET_32 (abfd, (unsigned char *) &dmemstart);
execp->a_text = dload - execp->a_tload;
- execp->a_data = bfd_h_get_32 (abfd, (unsigned char *)&dmemsize);
- execp->a_bss = bfd_h_get_32 (abfd, bytes->m_data) - execp->a_data;
+ execp->a_data = H_GET_32 (abfd, (unsigned char *) &dmemsize);
+ execp->a_bss = H_GET_32 (abfd, bytes->m_data) - execp->a_data;
execp->a_trsize = 0;
execp->a_drsize = 0;
-}
-
-#if 0
-/* Swaps the information in an internal exec header structure into the
- supplied buffer ready for writing to disk. */
-
-PROTO(void, os9k_swap_exec_header_out,
- (bfd *abfd,
- struct internal_exec *execp,
- struct mh_com *raw_bytes));
-void
-DEFUN(os9k_swap_exec_header_out,(abfd, execp, raw_bytes),
- bfd *abfd AND
- struct internal_exec *execp AND
- mh_com *raw_bytes)
-{
- mh_com *bytes = (mh_com *)raw_bytes;
-
- /* Now fill in fields in the raw data, from the fields in the exec struct. */
- bfd_h_put_32 (abfd, execp->a_info , bytes->e_info);
- bfd_h_put_32 (abfd, execp->a_text , bytes->e_text);
- bfd_h_put_32 (abfd, execp->a_data , bytes->e_data);
- bfd_h_put_32 (abfd, execp->a_bss , bytes->e_bss);
- bfd_h_put_32 (abfd, execp->a_syms , bytes->e_syms);
- bfd_h_put_32 (abfd, execp->a_entry , bytes->e_entry);
- bfd_h_put_32 (abfd, execp->a_trsize, bytes->e_trsize);
- bfd_h_put_32 (abfd, execp->a_drsize, bytes->e_drsize);
- bfd_h_put_32 (abfd, execp->a_tload , bytes->e_tload);
- bfd_h_put_32 (abfd, execp->a_dload , bytes->e_dload);
- bytes->e_talign[0] = execp->a_talign;
- bytes->e_dalign[0] = execp->a_dalign;
- bytes->e_balign[0] = execp->a_balign;
- bytes->e_relaxable[0] = execp->a_relaxable;
-}
-#endif 0
-
-static bfd_target *
-os9k_object_p (abfd)
- bfd *abfd;
-{
- struct internal_exec anexec;
- mh_com exec_bytes;
- if (bfd_read ((PTR) &exec_bytes, MHCOM_BYTES_SIZE, 1, abfd)
- != MHCOM_BYTES_SIZE) {
- bfd_error = wrong_format;
- return 0;
- }
-
- anexec.a_info = bfd_h_get_16 (abfd, exec_bytes.m_sync);
- if (N_BADMAG (anexec)) {
- bfd_error = wrong_format;
- return 0;
- }
-
- os9k_swap_exec_header_in (abfd, &exec_bytes, &anexec);
- return aout_32_some_aout_object_p (abfd, &anexec, os9k_callback);
+ return TRUE;
}
/* Finish up the opening of a b.out file for reading. Fill in all the
fields that are not handled by common code. */
-static bfd_target *
-os9k_callback (abfd)
- bfd *abfd;
+static const bfd_target *
+os9k_callback (bfd *abfd)
{
struct internal_exec *execp = exec_hdr (abfd);
unsigned long bss_start;
- /* Architecture and machine type */
- bfd_set_arch_mach(abfd, bfd_arch_i386, 0);
+ /* Architecture and machine type. */
+ bfd_set_arch_mach (abfd, bfd_arch_i386, 0);
/* The positions of the string table and symbol table. */
obj_str_filepos (abfd) = 0;
obj_sym_filepos (abfd) = 0;
- /* The alignments of the sections */
+ /* The alignments of the sections. */
obj_textsec (abfd)->alignment_power = execp->a_talign;
obj_datasec (abfd)->alignment_power = execp->a_dalign;
- obj_bsssec (abfd)->alignment_power = execp->a_balign;
+ obj_bsssec (abfd)->alignment_power = execp->a_balign;
/* The starting addresses of the sections. */
obj_textsec (abfd)->vma = execp->a_tload;
obj_datasec (abfd)->vma = execp->a_dload;
- /* And reload the sizes, since the aout module zaps them */
- obj_textsec (abfd)->_raw_size = execp->a_text;
+ /* And reload the sizes, since the aout module zaps them. */
+ obj_textsec (abfd)->size = execp->a_text;
- bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section */
+ bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section. */
obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign);
- /* The file positions of the sections */
+ /* The file positions of the sections. */
obj_textsec (abfd)->filepos = execp->a_entry;
obj_datasec (abfd)->filepos = execp->a_dload;
/* The file positions of the relocation info ***
obj_textsec (abfd)->rel_filepos = N_TROFF(*execp);
- obj_datasec (abfd)->rel_filepos = N_DROFF(*execp);
- */
+ obj_datasec (abfd)->rel_filepos = N_DROFF(*execp); */
- adata(abfd).page_size = 1; /* Not applicable. */
- adata(abfd).segment_size = 1; /* Not applicable. */
- adata(abfd).exec_bytes_size = MHCOM_BYTES_SIZE;
+ adata (abfd).page_size = 1; /* Not applicable. */
+ adata (abfd).segment_size = 1;/* Not applicable. */
+ adata (abfd).exec_bytes_size = MHCOM_BYTES_SIZE;
return abfd->xvec;
}
-#if 0
-struct bout_data_struct {
- struct aoutdata a;
- struct internal_exec e;
-};
-
-static boolean
-os9k_mkobject (abfd)
- bfd *abfd;
+static const bfd_target *
+os9k_object_p (bfd *abfd)
{
- struct bout_data_struct *rawptr;
+ struct internal_exec anexec;
+ mh_com exec_bytes;
- rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct));
- if (rawptr == NULL) {
- bfd_error = no_memory;
- return false;
+ if (bfd_bread (&exec_bytes, (bfd_size_type) MHCOM_BYTES_SIZE, abfd)
+ != MHCOM_BYTES_SIZE)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
}
- abfd->tdata.bout_data = rawptr;
- exec_hdr (abfd) = &rawptr->e;
-
- /* For simplicity's sake we just make all the sections right here. */
- obj_textsec (abfd) = (asection *)NULL;
- obj_datasec (abfd) = (asection *)NULL;
- obj_bsssec (abfd) = (asection *)NULL;
-
- bfd_make_section (abfd, ".text");
- bfd_make_section (abfd, ".data");
- bfd_make_section (abfd, ".bss");
-
- return true;
-}
-
-static boolean
-os9k_write_object_contents (abfd)
- bfd *abfd;
-{
- struct external_exec swapped_hdr;
-
- exec_hdr (abfd)->a_info = BMAGIC;
-
- exec_hdr (abfd)->a_text = obj_textsec (abfd)->_raw_size;
- exec_hdr (abfd)->a_data = obj_datasec (abfd)->_raw_size;
- exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->_raw_size;
- exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
- exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd);
- exec_hdr (abfd)->a_trsize = ((obj_textsec (abfd)->reloc_count) *
- sizeof (struct relocation_info));
- exec_hdr (abfd)->a_drsize = ((obj_datasec (abfd)->reloc_count) *
- sizeof (struct relocation_info));
-
- exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power;
- exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power;
- exec_hdr (abfd)->a_balign = obj_bsssec (abfd)->alignment_power;
-
- exec_hdr (abfd)->a_tload = obj_textsec (abfd)->vma;
- exec_hdr (abfd)->a_dload = obj_datasec (abfd)->vma;
-
- bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr);
-
- bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
- bfd_write ((PTR) &swapped_hdr, 1, EXEC_BYTES_SIZE, abfd);
-
- /* Now write out reloc info, followed by syms and strings */
- if (bfd_get_symcount (abfd) != 0)
+ anexec.a_info = H_GET_16 (abfd, exec_bytes.m_sync);
+ if (N_BADMAG (anexec))
{
- bfd_seek (abfd, (file_ptr)(N_SYMOFF(*exec_hdr(abfd))), SEEK_SET);
-
- if (! aout_32_write_syms (abfd))
- return false;
-
- bfd_seek (abfd, (file_ptr)(N_TROFF(*exec_hdr(abfd))), SEEK_SET);
-
- if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
- bfd_seek (abfd, (file_ptr)(N_DROFF(*exec_hdr(abfd))), SEEK_SET);
-
- if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
}
- return true;
-}
-\f
-static boolean
-os9k_set_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- unsigned char *location;
- file_ptr offset;
- int count;
-{
- if (abfd->output_has_begun == false) { /* set by bfd.c handler */
- if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL) /*||
- (obj_textsec (abfd)->_cooked_size == 0) || (obj_datasec (abfd)->_cooked_size == 0)*/) {
- bfd_error = invalid_operation;
- return false;
+ if (! os9k_swap_exec_header_in (abfd, &exec_bytes, &anexec))
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
}
-
- obj_textsec (abfd)->filepos = sizeof(struct internal_exec);
- obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos
- + obj_textsec (abfd)->_raw_size;
-
- }
- /* regardless, once we know what we're doing, we might as well get going */
- bfd_seek (abfd, section->filepos + offset, SEEK_SET);
-
- if (count != 0) {
- return (bfd_write ((PTR)location, 1, count, abfd) == count) ?true:false;
- }
- return true;
+ return aout_32_some_aout_object_p (abfd, &anexec, os9k_callback);
}
-#endif 0
-static int
-DEFUN(os9k_sizeof_headers,(ignore_abfd, ignore),
- bfd *ignore_abfd AND
- boolean ignore)
+static int
+os9k_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
- return sizeof(struct internal_exec);
+ return sizeof (struct internal_exec);
}
+\f
-/***********************************************************************/
-
-/* We don't have core files. */
-#define aout_32_core_file_failing_command _bfd_dummy_core_file_failing_command
-#define aout_32_core_file_failing_signal _bfd_dummy_core_file_failing_signal
-#define aout_32_core_file_matches_executable_p \
- _bfd_dummy_core_file_matches_executable_p
-
-/* We use BSD-Unix generic archive files. */
-#define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file
-#define aout_32_generic_stat_arch_elt bfd_generic_stat_arch_elt
-#define aout_32_slurp_armap bfd_slurp_bsd_armap
-#define aout_32_slurp_extended_name_table _bfd_slurp_extended_name_table
-#define aout_32_write_armap bsd_write_armap
-#define aout_32_truncate_arname bfd_bsd_truncate_arname
-
-/* We override these routines from the usual a.out file routines. */
-#define aout_32_canonicalize_reloc bfd_canonicalize_reloc
-#define aout_32_get_reloc_upper_bound bfd_get_reloc_upper_bound
-#define aout_32_set_section_contents bfd_set_section_contents
-#define aout_32_set_arch_mach bfd_default_set_arch_mach
-#define aout_32_sizeof_headers os9k_sizeof_headers
-
-#define aout_32_bfd_debug_info_start bfd_void
-#define aout_32_bfd_debug_info_end bfd_void
-#define aout_32_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
-
-#define aout_32_bfd_make_debug_symbol \
- ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
-#define aout_32_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
-#define aout_32_bfd_link_add_symbols _bfd_generic_link_add_symbols
-#define aout_32_bfd_final_link _bfd_generic_final_link
-#define aout_32_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
-#define aout_32_bfd_relax_section bfd_generic_relax_section
-#define aout_32_bfd_reloc_type_lookup \
- ((CONST struct reloc_howto_struct *(*) PARAMS \
-((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
-
-bfd_target i386os9k_vec =
-{
- "i386os9k", /* name */
- bfd_target_os9k_flavour,
- false, /* data byte order is little */
- false, /* hdr byte order is big */
- (HAS_RELOC | EXEC_P | WP_TEXT), /* object flags */
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD ), /* section flags */
- 0, /* symbol leading char */
- ' ', /* ar_pad_char */
- 16, /* ar_max_namelen */
- 2, /* minumum alignment power */
-
- bfd_getl64, bfd_getl_signed_64, bfd_putl64,
- bfd_getl32, bfd_getl_signed_32, bfd_putl32,
- bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
- bfd_getl64, bfd_getl_signed_64, bfd_putl64,
- bfd_getl32, bfd_getl_signed_32, bfd_putl32,
- bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
- {_bfd_dummy_target, os9k_object_p, /* bfd_check_format */
- bfd_generic_archive_p, _bfd_dummy_target},
- {bfd_false, bfd_false, /* bfd_set_format */
- _bfd_generic_mkarchive, bfd_false},
- {bfd_false, bfd_false, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- JUMP_TABLE(aout_32),
- (PTR) 0,
-};
-
+#define aout_32_close_and_cleanup aout_32_bfd_free_cached_info
+
+#define aout_32_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+
+#define aout_32_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
+#define aout_32_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
+
+#define aout_32_get_section_contents_in_window \
+ _bfd_generic_get_section_contents_in_window
+
+#define os9k_bfd_get_relocated_section_contents \
+ bfd_generic_get_relocated_section_contents
+#define os9k_bfd_relax_section bfd_generic_relax_section
+#define os9k_bfd_gc_sections bfd_generic_gc_sections
+#define os9k_bfd_lookup_section_flags bfd_generic_lookup_section_flags
+#define os9k_bfd_merge_sections bfd_generic_merge_sections
+#define os9k_bfd_is_group_section bfd_generic_is_group_section
+#define os9k_bfd_discard_group bfd_generic_discard_group
+#define os9k_section_already_linked \
+ _bfd_generic_section_already_linked
+#define os9k_bfd_define_common_symbol bfd_generic_define_common_symbol
+#define os9k_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define os9k_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
+#define os9k_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define os9k_bfd_link_just_syms _bfd_generic_link_just_syms
+#define os9k_bfd_copy_link_hash_symbol_type \
+ _bfd_generic_copy_link_hash_symbol_type
+#define os9k_bfd_final_link _bfd_generic_final_link
+#define os9k_bfd_link_split_section _bfd_generic_link_split_section
+
+const bfd_target i386os9k_vec =
+ {
+ "i386os9k", /* name */
+ bfd_target_os9k_flavour,
+ BFD_ENDIAN_LITTLE, /* data byte order is little */
+ BFD_ENDIAN_LITTLE, /* hdr byte order is little */
+ (HAS_RELOC | EXEC_P | WP_TEXT), /* object flags */
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD), /* section flags */
+ 0, /* symbol leading char */
+ ' ', /* ar_pad_char */
+ 16, /* ar_max_namelen */
+ 0, /* match priority. */
+
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
+ {_bfd_dummy_target, os9k_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, _bfd_dummy_target},
+ {bfd_false, bfd_false, /* bfd_set_format */
+ _bfd_generic_mkarchive, bfd_false},
+ {bfd_false, bfd_false, /* bfd_write_contents */
+ _bfd_write_archive_contents, bfd_false},
+
+ BFD_JUMP_TABLE_GENERIC (aout_32),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
+ BFD_JUMP_TABLE_SYMBOLS (aout_32),
+ BFD_JUMP_TABLE_RELOCS (aout_32),
+ BFD_JUMP_TABLE_WRITE (aout_32),
+ BFD_JUMP_TABLE_LINK (os9k),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ NULL,
+
+ NULL,
+ };
projects / deliverable / binutils-gdb.git / blobdiff