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* som.c (som_begin_writing): Flesh out code for handling simple

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auxiliary headers.
        (bfd_som_attach_aux_hdr): New function.

        * som.h (struct somdata): Add fields for attaching version and
        copyright headers.  Add accessor macros.
This commit is contained in:
Jeff Law 1993-12-06 08:53:53 +00:00
parent 42ecb40985
commit f6c2300b0a
2 changed files with 107 additions and 3 deletions
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7
bfd/ChangeLog
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@ -1,5 +1,12 @@
Sun Dec 5 19:32:08 1993 Jeffrey A. Law (law@snake.cs.utah.edu)
* som.c (som_begin_writing): Flesh out code for handling simple
auxiliary headers.
(bfd_som_attach_aux_hdr): New function.
* som.h (struct somdata): Add fields for attaching version and
copyright headers. Add accessor macros.
* som.c (R_DLT_REL, R_AUX_UNWIND, R_SEC_STMT): Add protected
definitions for old versions of HPUX which fail to define them.
(som_hppa_howto_talbe): Add R_DLT_REL, R_AUX_UNWIND, and R_SEC_STMT

103
bfd/som.c
View file

@ -2548,12 +2548,67 @@ som_begin_writing (abfd)
current_offset += sizeof (struct header);
/* Any auxiliary headers will follow the file header. Right now
we have no auxiliary headers, so current_offset does not change. */
we support only the copyright and version headers. */
obj_som_file_hdr (abfd)->aux_header_location = current_offset;
obj_som_file_hdr (abfd)->aux_header_size = 0;
if (obj_som_version_hdr (abfd) != NULL)
{
unsigned int len;
/* Next comes the initialization pointers; again we have no
initialization pointers, so current offset does not change. */
bfd_seek (abfd, current_offset, SEEK_SET);
/* Write the aux_id structure and the string length. */
len = sizeof (struct aux_id) + sizeof (unsigned int);
obj_som_file_hdr (abfd)->aux_header_size += len;
current_offset += len;
if (bfd_write ((PTR) obj_som_version_hdr (abfd), len, 1, abfd) != len)
{
bfd_error = system_call_error;
return false;
}
/* Write the version string. */
len = obj_som_version_hdr (abfd)->string_length;
obj_som_file_hdr (abfd)->aux_header_size += len;
current_offset += len;
if (bfd_write ((PTR) obj_som_version_hdr (abfd)->user_string,
len, 1, abfd) != len)
{
bfd_error = system_call_error;
return false;
}
}
if (obj_som_copyright_hdr (abfd) != NULL)
{
unsigned int len;
bfd_seek (abfd, current_offset, SEEK_SET);
/* Write the aux_id structure and the string length. */
len = sizeof (struct aux_id) + sizeof (unsigned int);
obj_som_file_hdr (abfd)->aux_header_size += len;
current_offset += len;
if (bfd_write ((PTR) obj_som_copyright_hdr (abfd), len, 1, abfd) != len)
{
bfd_error = system_call_error;
return false;
}
/* Write the copyright string. */
len = obj_som_copyright_hdr (abfd)->string_length;
obj_som_file_hdr (abfd)->aux_header_size += len;
current_offset += len;
if (bfd_write ((PTR) obj_som_copyright_hdr (abfd)->copyright,
len, 1, abfd) != len)
{
bfd_error = system_call_error;
return false;
}
}
/* Next comes the initialization pointers; we have no initialization
pointers, so current offset does not change. */
obj_som_file_hdr (abfd)->init_array_location = current_offset;
obj_som_file_hdr (abfd)->init_array_total = 0;
@ -3870,6 +3925,48 @@ bfd_som_attach_unwind_info (symbol, unwind_desc)
(*som_symbol_data (symbol))->unwind = unwind_desc;
}
/* Attach an auxiliary header to the BFD backend so that it may be
written into the object file. */
void
bfd_som_attach_aux_hdr (abfd, type, string)
bfd *abfd;
int type;
char *string;
{
if (type == VERSION_AUX_ID)
{
int len = strlen (string);
if (len % 4)
len += (4 - (len % 4));
obj_som_version_hdr (abfd)
= bfd_zalloc (abfd,
sizeof (struct aux_id) + sizeof (unsigned int) + len);
obj_som_version_hdr (abfd)->header_id.type = VERSION_AUX_ID;
obj_som_version_hdr (abfd)->header_id.length
= sizeof (struct aux_id) + sizeof (unsigned int) + len;
obj_som_version_hdr (abfd)->string_length = len;
strcpy (obj_som_version_hdr (abfd)->user_string, string);
}
else if (type == COPYRIGHT_AUX_ID)
{
int len = strlen (string);
if (len % 4)
len += (4 - (len % 4));
obj_som_copyright_hdr (abfd)
= bfd_zalloc (abfd,
sizeof (struct aux_id) + sizeof (unsigned int) + len);
obj_som_copyright_hdr (abfd)->header_id.type = COPYRIGHT_AUX_ID;
obj_som_version_hdr (abfd)->header_id.length
= sizeof (struct aux_id) + sizeof (unsigned int) + len;
obj_som_copyright_hdr (abfd)->string_length = len;
strcpy (obj_som_copyright_hdr (abfd)->copyright, string);
}
else
abort ();
}
static boolean
som_set_section_contents (abfd, section, location, offset, count)
bfd *abfd;