/* BFD back-end for os9000 i386 binaries.
- Copyright 1990, 91, 92, 93, 94, 95, 98, 1999 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2001, 2002,
+ 2004 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#include "libaout.h" /* BFD a.out internal data structures */
#include "os9k.h"
-static const bfd_target *os9k_callback PARAMS ((bfd *));
+static const bfd_target * os9k_callback
+ PARAMS ((bfd *));
+static const bfd_target * os9k_object_p
+ PARAMS ((bfd *));
+static int os9k_sizeof_headers
+ PARAMS ((bfd *, bfd_boolean));
+bfd_boolean os9k_swap_exec_header_in
+ PARAMS ((bfd *, mh_com *, struct internal_exec *));
/* Swaps the information in an executable header taken from a raw byte
stream memory image, into the internal exec_header structure. */
-boolean
+bfd_boolean
os9k_swap_exec_header_in (abfd, raw_bytes, execp)
bfd *abfd;
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_info = H_GET_16 (abfd, bytes->m_sync);
execp->a_syms = 0;
- execp->a_entry = bfd_h_get_32 (abfd, bytes->m_exec);
+ 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;
if (bfd_seek (abfd, (file_ptr) dload, SEEK_SET) != 0
- || (bfd_read (&dmemstart, sizeof (dmemstart), 1, abfd)
+ || (bfd_bread (&dmemstart, (bfd_size_type) sizeof (dmemstart), abfd)
!= sizeof (dmemstart))
- || (bfd_read (&dmemsize, sizeof (dmemsize), 1, abfd)
+ || (bfd_bread (&dmemsize, (bfd_size_type) sizeof (dmemsize), abfd)
!= sizeof (dmemsize)))
- return false;
+ return FALSE;
execp->a_tload = 0;
- execp->a_dload = bfd_h_get_32 (abfd, (unsigned char *) &dmemstart);
+ 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;
- return true;
+ return TRUE;
}
-#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
-os9k_swap_exec_header_out (abfd, execp, raw_bytes)
- bfd *abfd;
- struct internal_exec *execp;
- 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 const 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)
+ if (bfd_bread ((PTR) &exec_bytes, (bfd_size_type) MHCOM_BYTES_SIZE, abfd)
!= MHCOM_BYTES_SIZE)
{
if (bfd_get_error () != bfd_error_system_call)
return 0;
}
- anexec.a_info = bfd_h_get_16 (abfd, exec_bytes.m_sync);
+ anexec.a_info = H_GET_16 (abfd, exec_bytes.m_sync);
if (N_BADMAG (anexec))
{
bfd_set_error (bfd_error_wrong_format);
struct internal_exec *execp = exec_hdr (abfd);
unsigned long bss_start;
- /* Architecture and machine type */
+ /* 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_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).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;
-{
- struct bout_data_struct *rawptr;
-
- rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct));
- if (rawptr == NULL)
- return false;
-
- abfd->tdata.bout_data = rawptr;
- exec_hdr (abfd) = &rawptr->e;
-
- obj_textsec (abfd) = (asection *) NULL;
- obj_datasec (abfd) = (asection *) NULL;
- obj_bsssec (abfd) = (asection *) NULL;
-
- return true;
-}
-
-static boolean
-os9k_write_object_contents (abfd)
- bfd *abfd;
-{
- struct external_exec swapped_hdr;
-
- if (! aout_32_make_sections (abfd))
- return false;
-
- 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);
-
- if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
- || (bfd_write ((PTR) & swapped_hdr, 1, EXEC_BYTES_SIZE, abfd)
- != EXEC_BYTES_SIZE))
- return false;
-
- /* Now write out reloc info, followed by syms and strings */
- if (bfd_get_symcount (abfd) != 0)
- {
- if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*exec_hdr (abfd))), SEEK_SET)
- != 0)
- return false;
-
- if (!aout_32_write_syms (abfd))
- return false;
-
- if (bfd_seek (abfd, (file_ptr) (N_TROFF (*exec_hdr (abfd))), SEEK_SET)
- != 0)
- return false;
-
- if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd)))
- return false;
- if (bfd_seek (abfd, (file_ptr) (N_DROFF (*exec_hdr (abfd))), SEEK_SET)
- != 0)
- return false;
-
- if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd)))
- return false;
- }
- 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 (! aout_32_make_sections (abfd))
- return false;
-
- 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 */
- if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
- return false;
-
- if (count != 0)
- {
- return (bfd_write ((PTR) location, 1, count, abfd) == count) ? true : false;
- }
- return true;
-}
-#endif /* 0 */
-
static int
os9k_sizeof_headers (ignore_abfd, ignore)
bfd *ignore_abfd ATTRIBUTE_UNUSED;
- boolean ignore ATTRIBUTE_UNUSED;
+ bfd_boolean ignore ATTRIBUTE_UNUSED;
{
return sizeof (struct internal_exec);
}
-
-/***********************************************************************/
+\f
#define aout_32_close_and_cleanup aout_32_bfd_free_cached_info
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_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_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_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 */
-
- 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,
-
- (PTR) 0,
-};
+ {
+ "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 */
+
+ 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,
+
+ (PTR) 0,
+ };
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