/* BFD back-end for PDP-11 a.out binaries.
- Copyright (C) 2001-2015 Free Software Foundation, Inc.
+ Copyright (C) 2001-2016 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#define ARCH_SIZE 16
#undef TARGET_IS_BIG_ENDIAN_P
-#define TARGET_PAGE_SIZE 1024
+#define TARGET_PAGE_SIZE 256
#define SEGMENT__SIZE TARGET_PAGE_SIZE
#define DEFAULT_ARCH bfd_arch_pdp11
#define N_HEADER_IN_TEXT(x) 0
/* There is no flags field. */
-#define N_FLAGS(exec) 0
+#define N_FLAGS(execp) 0
-#define N_SET_FLAGS(exec, flags) do { } while (0)
+#define N_SET_FLAGS(execp, flags) do { } while (0)
#define N_BADMAG(x) (N_MAGIC(x) != OMAGIC \
&& N_MAGIC(x) != NMAGIC \
&& N_MAGIC(x) != ZMAGIC)
#define EXTERNAL_NLIST_SIZE 8
#define N_TXTOFF(x) (EXEC_BYTES_SIZE)
-#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text)
-#define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
-#define N_DRELOFF(x) (N_TRELOFF(x) + (x).a_trsize)
-#define N_SYMOFF(x) (N_DRELOFF(x) + (x).a_drsize)
-#define N_STROFF(x) (N_SYMOFF(x) + (x).a_syms)
+#define N_DATOFF(x) (N_TXTOFF(x) + (x)->a_text)
+#define N_TRELOFF(x) (N_DATOFF(x) + (x)->a_data)
+#define N_DRELOFF(x) (N_TRELOFF(x) + (x)->a_trsize)
+#define N_SYMOFF(x) (N_DRELOFF(x) + (x)->a_drsize)
+#define N_STROFF(x) (N_SYMOFF(x) + (x)->a_syms)
#define WRITE_HEADERS(abfd, execp) pdp11_aout_write_headers (abfd, execp)
pdp11_aout_write_headers (bfd *abfd, struct internal_exec *execp)
{
struct external_exec exec_bytes;
- bfd_size_type text_size;
- file_ptr text_end;
if (adata(abfd).magic == undecided_magic)
- NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end);
+ 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);
if (bfd_get_outsymbols (abfd) != NULL
&& bfd_get_symcount (abfd) != 0)
{
- if (bfd_seek (abfd, (file_ptr) (N_SYMOFF(*execp)), SEEK_SET) != 0)
+ if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (execp)), SEEK_SET) != 0)
return FALSE;
if (! NAME (aout, write_syms) (abfd))
if (obj_textsec (abfd)->reloc_count > 0
|| obj_datasec (abfd)->reloc_count > 0)
{
- if (bfd_seek (abfd, (file_ptr) (N_TRELOFF(*execp)), SEEK_SET) != 0
+ if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (execp)), SEEK_SET) != 0
|| !NAME (aout, squirt_out_relocs) (abfd, obj_textsec (abfd))
- || bfd_seek (abfd, (file_ptr) (N_DRELOFF(*execp)), SEEK_SET) != 0
+ || bfd_seek (abfd, (file_ptr) (N_DRELOFF (execp)), SEEK_SET) != 0
|| !NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd)))
return FALSE;
}
will normally have been done by set_section_contents, but only if
there actually are some section contents. */
if (! abfd->output_has_begun)
- {
- bfd_size_type text_size;
- file_ptr text_end;
-
- NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end);
- }
+ NAME (aout, adjust_sizes_and_vmas) (abfd);
obj_reloc_entry_size (abfd) = RELOC_SIZE;
/* Setting of EXEC_P has been deferred to the bottom of this function. */
if (execp->a_syms)
abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
- if (N_DYNAMIC(*execp))
+ if (N_DYNAMIC (execp))
abfd->flags |= DYNAMIC;
- if (N_MAGIC (*execp) == ZMAGIC)
+ if (N_MAGIC (execp) == ZMAGIC)
{
abfd->flags |= D_PAGED | WP_TEXT;
adata (abfd).magic = z_magic;
}
- else if (N_MAGIC (*execp) == NMAGIC)
+ else if (N_MAGIC (execp) == NMAGIC)
{
abfd->flags |= WP_TEXT;
adata (abfd).magic = n_magic;
}
- else if (N_MAGIC (*execp) == OMAGIC)
+ else if (N_MAGIC (execp) == OMAGIC)
adata (abfd).magic = o_magic;
else
{
in by the callback: */
struct exec *execp = exec_hdr (abfd);
- obj_textsec (abfd)->size = N_TXTSIZE(*execp);
+ obj_textsec (abfd)->size = N_TXTSIZE (execp);
/* Data and bss are already filled in since they're so standard. */
/* 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)->vma = N_TXTADDR (execp);
+ obj_datasec (abfd)->vma = N_DATADDR (execp);
+ obj_bsssec (abfd)->vma = N_BSSADDR (execp);
/* The file offsets of the sections. */
- obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
- obj_datasec (abfd)->filepos = N_DATOFF(*execp);
+ 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);
+ 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_str_filepos (abfd) = N_STROFF (*execp);
- obj_sym_filepos (abfd) = N_SYMOFF (*execp);
+ obj_str_filepos (abfd) = N_STROFF (execp);
+ obj_sym_filepos (abfd) = N_SYMOFF (execp);
/* Determine the architecture and machine type of the object file. */
abfd->obj_arch = bfd_arch_obscure;
execp->a_text = obj_textsec (abfd)->size;
execp->a_data = obj_datasec (abfd)->size;
execp->a_bss = obj_bsssec (abfd)->size;
- N_SET_MAGIC (*execp, OMAGIC);
+ N_SET_MAGIC (execp, OMAGIC);
}
static void
execp->a_text = obj_textsec(abfd)->size;
if (ztih && (!abdp || (abdp && !abdp->exec_header_not_counted)))
execp->a_text += adata(abfd).exec_bytes_size;
- N_SET_MAGIC (*execp, ZMAGIC);
+ N_SET_MAGIC (execp, ZMAGIC);
/* Spec says data section should be rounded up to page boundary. */
obj_datasec(abfd)->size
execp->a_text = obj_textsec(abfd)->size;
execp->a_data = obj_datasec(abfd)->size;
execp->a_bss = obj_bsssec(abfd)->size;
- N_SET_MAGIC (*execp, NMAGIC);
+ N_SET_MAGIC (execp, NMAGIC);
}
bfd_boolean
-NAME (aout, adjust_sizes_and_vmas) (bfd *abfd,
- bfd_size_type *text_size,
- file_ptr * text_end ATTRIBUTE_UNUSED)
+NAME (aout, adjust_sizes_and_vmas) (bfd *abfd)
{
struct internal_exec *execp = exec_hdr (abfd);
align_power(obj_textsec(abfd)->size,
obj_textsec(abfd)->alignment_power);
- *text_size = obj_textsec (abfd)->size;
/* Rule (heuristic) for when to pad to a new page. Note that there
are (at least) two ways demand-paged (ZMAGIC) files have been
handled. Most Berkeley-based systems start the text segment at
file_ptr offset,
bfd_size_type count)
{
- file_ptr text_end;
- bfd_size_type text_size;
-
if (! abfd->output_has_begun)
{
- if (! NAME (aout, adjust_sizes_and_vmas) (abfd, & text_size, & text_end))
+ if (! NAME (aout, adjust_sizes_and_vmas) (abfd))
return FALSE;
}
if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0
|| bfd_bwrite (location, count, abfd) != count)
return FALSE;
+
+ /* If necessary, pad the section to its aligned size. */
+ if ((section == obj_datasec (abfd)
+ || section == obj_textsec (abfd))
+ && count < section->size
+ && (bfd_seek (abfd, section->filepos + offset + section->size - 1, SEEK_SET) != 0
+ || bfd_bwrite ("", 1, abfd) != 1))
+ return FALSE;
}
return TRUE;
count = exec_hdr (abfd)->a_syms / EXTERNAL_NLIST_SIZE;
+ /* PR 17512: file: 011f5a08. */
+ if (count == 0)
+ {
+ obj_aout_external_syms (abfd) = NULL;
+ obj_aout_external_sym_count (abfd) = count;
+ return TRUE;
+ }
+
#ifdef USE_MMAP
if (! bfd_get_file_window (abfd, obj_sym_filepos (abfd),
exec_hdr (abfd)->a_syms,
size = bfd_get_reloc_size (howto);
buf = bfd_zmalloc (size);
- if (buf == NULL)
+ if (buf == NULL && size != 0)
return FALSE;
r = MY_relocate_contents (howto, flaginfo->output_bfd,
pr->addend, buf);
BFD_ASSERT (input_bfd->xvec->header_byteorder
== output_bfd->xvec->header_byteorder);
- relocatable = flaginfo->info->relocatable;
+ relocatable = bfd_link_relocatable (flaginfo->info);
syms = obj_aout_external_syms (input_bfd);
strings = obj_aout_external_strings (input_bfd);
sym_hashes = obj_aout_sym_hashes (input_bfd);
/* Now warn if a global symbol is undefined. We could not
do this earlier, because check_dynamic_reloc might want
to skip this reloc. */
- if (hundef && ! flaginfo->info->shared)
+ if (hundef && ! bfd_link_pic (flaginfo->info))
{
const char *name;
/* If we are producing relocatable output, the relocs were
modified, and we now write them out. */
- if (flaginfo->info->relocatable && rel_size > 0)
+ if (bfd_link_relocatable (flaginfo->info) && rel_size > 0)
{
if (bfd_seek (flaginfo->output_bfd, *reloff_ptr, SEEK_SET) != 0)
return FALSE;
bfd_size_type max_contents_size;
bfd_size_type max_relocs_size;
bfd_size_type max_sym_count;
- bfd_size_type text_size;
- file_ptr text_end;
struct bfd_link_order *p;
asection *o;
bfd_boolean have_link_order_relocs;
- if (info->shared)
+ if (bfd_link_pic (info))
abfd->flags |= DYNAMIC;
aout_info.info = info;
{
size_t sz;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
if (bfd_get_flavour (sub) == bfd_target_aout_flavour)
{
}
}
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
if (obj_textsec (abfd) != NULL)
trsize += (_bfd_count_link_order_relocs (obj_textsec (abfd)
/* Adjust the section sizes and vmas according to the magic number.
This sets a_text, a_data and a_bss in the exec_hdr and sets the
filepos for each section. */
- if (! NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end))
+ if (! NAME (aout, adjust_sizes_and_vmas) (abfd))
goto error_return;
/* The relocation and symbol file positions differ among a.out
projects / deliverable / binutils-gdb.git / blobdiff