/* Define a target vector and some small routines for a variant of a.out.
- Copyright (C) 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 1997
+ Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "aout/ar.h"
/*#include "libaout.h"*/
-extern reloc_howto_type * NAME(aout,reloc_type_lookup) ();
+#ifndef SEGMENT_SIZE
+#define SEGMENT_SIZE TARGET_PAGE_SIZE
+#endif
+
+extern reloc_howto_type * NAME(aout,reloc_type_lookup)
+ PARAMS ((bfd *, bfd_reloc_code_real_type));
/* Set parameters about this a.out file that are machine-dependent.
This routine is called from some_aout_object_p just before it returns. */
#ifndef MY_callback
+
+static const bfd_target *MY(callback) PARAMS ((bfd *));
+
static const bfd_target *
MY(callback) (abfd)
bfd *abfd;
obj_datasec (abfd)->vma = N_DATADDR(*execp);
obj_bsssec (abfd)->vma = N_BSSADDR(*execp);
+ /* For some targets, if the entry point is not in the same page
+ as the start of the text, then adjust the VMA so that it is.
+ FIXME: Do this with a macro like SET_ARCH_MACH instead? */
+ if (aout_backend_info (abfd)->entry_is_text_address
+ && execp->a_entry > obj_textsec (abfd)->vma)
+ {
+ bfd_vma adjust;
+
+ adjust = execp->a_entry - obj_textsec (abfd)->vma;
+ /* Adjust only by whole pages. */
+ adjust &= ~(TARGET_PAGE_SIZE - 1);
+ obj_textsec (abfd)->vma += adjust;
+ obj_datasec (abfd)->vma += adjust;
+ obj_bsssec (abfd)->vma += adjust;
+ }
+
+ /* Set the load addresses to be the same as the virtual addresses. */
+ 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);
bfd_default_set_arch_mach(abfd, DEFAULT_ARCH, 0);
#endif
+ /* The number of relocation records. This must be called after
+ SET_ARCH_MACH. It assumes that SET_ARCH_MACH will set
+ obj_reloc_entry_size correctly, if the reloc size is not
+ RELOC_STD_SIZE. */
+ obj_textsec (abfd)->reloc_count =
+ execp->a_trsize / obj_reloc_entry_size (abfd);
+ obj_datasec (abfd)->reloc_count =
+ execp->a_drsize / obj_reloc_entry_size (abfd);
+
/* 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
Sizes get set in set_sizes callback, later. */
#if 0
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
adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
#endif
#ifndef MY_object_p
/* Finish up the reading of an a.out file header */
+static const bfd_target *MY(object_p) PARAMS ((bfd *));
+
static const bfd_target *
MY(object_p) (abfd)
bfd *abfd;
#ifndef MY_mkobject
+
+static boolean MY(mkobject) PARAMS ((bfd *));
+
static boolean
MY(mkobject) (abfd)
bfd *abfd;
#if 0 /* Sizes get set in set_sizes callback, later, after we know
the architecture and machine. */
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
adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
#endif
return true;
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
+ PARAMS ((bfd *, asection *, bfd *, asection *));
+
/*ARGSUSED*/
static boolean
MY_bfd_copy_private_section_data (ibfd, isec, obfd, osec)
bfd *obfd;
asection *osec;
{
- if (bfd_get_flavour (obfd) == bfd_target_aout_flavour)
+ if (bfd_get_flavour (ibfd) == bfd_target_aout_flavour
+ && bfd_get_flavour (obfd) == bfd_target_aout_flavour)
obj_aout_subformat (obfd) = obj_aout_subformat (ibfd);
return true;
}
#endif
#ifndef MY_set_sizes
+
+static boolean MY(set_sizes) PARAMS ((bfd *));
+
static boolean
MY(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;
#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 0
#endif
static CONST struct aout_backend_data MY(backend_data) = {
MY_zmagic_contiguous,
MY_text_includes_header,
+ MY_entry_is_text_address,
MY_exec_hdr_flags,
0, /* text vma? */
MY_set_sizes,
/* 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 PARAMS ((bfd *, struct bfd_link_info *));
+
static boolean
MY_bfd_final_link (abfd, info)
bfd *abfd;
#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_get_section_contents
#define MY_get_section_contents NAME(aout,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_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_reloc_type_lookup
#define MY_bfd_reloc_type_lookup NAME(aout,reloc_type_lookup)
#endif
#define MY_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
#endif
-#ifndef MY_bfd_is_local_label
-#define MY_bfd_is_local_label bfd_generic_is_local_label
+#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
TARGETNAME, /* name */
bfd_target_aout_flavour,
#ifdef TARGET_IS_BIG_ENDIAN_P
- true, /* target byte order (big) */
- true, /* target headers byte order (big) */
+ BFD_ENDIAN_BIG, /* target byte order (big) */
+ BFD_ENDIAN_BIG, /* target headers byte order (big) */
#else
- false, /* target byte order (little) */
- false, /* target headers byte order (little) */
+ BFD_ENDIAN_LITTLE, /* target byte order (little) */
+ BFD_ENDIAN_LITTLE, /* target headers byte order (little) */
#endif
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
MY_symbol_leading_char,
AR_PAD_CHAR, /* ar_pad_char */
15, /* ar_max_namelen */
projects / thirdparty / binutils-gdb.git / blobdiff