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* som.c (som_prep_headers): New function.

This commit is contained in:
Jeff Law 1993-11-13 06:44:29 +00:00
parent 3e330968cd
commit 0ffa24b979
2 changed files with 96 additions and 1 deletions
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2
bfd/ChangeLog
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@ -1,5 +1,7 @@
Fri Nov 12 15:29:36 1993 Jeffrey A. Law (law@snake.cs.utah.edu)
* som.c (som_prep_headers): New function.
* som.c (som_count_spaces): New function.
(som_count_subspaces): New function.
(compare_syms): New function.

95
bfd/som.c
View File

@ -153,7 +153,8 @@ static unsigned long som_count_spaces PARAMS ((bfd *));
static unsigned long som_count_subspaces PARAMS ((bfd *));
static int compare_syms PARAMS ((asymbol **, asymbol **));
static unsigned long som_compute_checksum PARAMS ((bfd *));
static boolean som_prep_headers PARAMS ((bfd *));
static reloc_howto_type som_hppa_howto_table[] =
{
{R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"},
@ -1165,6 +1166,98 @@ som_mkobject (abfd)
return true;
}
/* Initialize some information in the file header. This routine makes
not attempt at doing the right thing for a full executable; it
is only meant to handle relocatable objects. */
static boolean
som_prep_headers (abfd)
bfd *abfd;
{
struct header *file_hdr = obj_som_file_hdr (abfd);
asection *section;
/* FIXME. This should really be conditional based on whether or not
PA1.1 instructions/registers have been used. */
file_hdr->system_id = HP9000S800_ID;
/* FIXME. Only correct for building relocatable objects. */
if (abfd->flags & EXEC_P)
abort ();
else
file_hdr->a_magic = RELOC_MAGIC;
/* Only new format SOM is supported. */
file_hdr->version_id = NEW_VERSION_ID;
/* These fields are optional, and embedding timestamps is not always
a wise thing to do, it makes comparing objects during a multi-stage
bootstrap difficult. */
file_hdr->file_time.secs = 0;
file_hdr->file_time.nanosecs = 0;
if (abfd->flags & EXEC_P)
abort ();
else
{
file_hdr->entry_space = 0;
file_hdr->entry_subspace = 0;
file_hdr->entry_offset = 0;
}
/* FIXME. I do not know if we ever need to put anything other
than zero in this field. */
file_hdr->presumed_dp = 0;
/* Now iterate over the sections translating information from
BFD sections to SOM spaces/subspaces. */
for (section = abfd->sections; section != NULL; section = section->next)
{
/* Ignore anything which has not been marked as a space or
subspace. */
if (som_section_data (section)->is_space == 0
&& som_section_data (section)->is_subspace == 0)
continue;
if (som_section_data (section)->is_space)
{
/* Set space attributes. Note most attributes of SOM spaces
are set based on the subspaces it contains. */
som_section_data (section)->space_dict.loader_fix_index = -1;
som_section_data (section)->space_dict.init_pointer_index = -1;
}
else
{
/* Set subspace attributes. Basic stuff is done here, additional
attributes are filled in later as more information becomes
available. */
if (section->flags & SEC_IS_COMMON)
{
som_section_data (section)->subspace_dict.dup_common = 1;
som_section_data (section)->subspace_dict.is_common = 1;
}
if (section->flags & SEC_ALLOC)
som_section_data (section)->subspace_dict.is_loadable = 1;
if (section->flags & SEC_CODE)
som_section_data (section)->subspace_dict.code_only = 1;
som_section_data (section)->subspace_dict.subspace_start =
section->vma;
som_section_data (section)->subspace_dict.subspace_length =
bfd_section_size (abfd, section);
som_section_data (section)->subspace_dict.initialization_length =
bfd_section_size (abfd, section);
som_section_data (section)->subspace_dict.alignment =
1 << section->alignment_power;
}
}
return true;
}
/* Count and return the number of spaces attached to the given BFD. */
static unsigned long