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* som.c (som_begin_writing): Don't write the symbol table or

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symbol	strings.
	(som_finish_writing): Write them here.  Place them after the
	subspace data, but before the relocs.

Works around a truely stupid bug in the hpux8/hpux9 linker.  Fixes all
known link-time problems with -mlinker-opt.
This commit is contained in:
Jeff Law 1995-10-01 07:38:03 +00:00
parent 130f53ae7a
commit 709af562b8
2 changed files with 62 additions and 38 deletions
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15
bfd/ChangeLog
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@ -1,3 +1,18 @@
Sun Oct 1 01:34:41 1995 Jeff Law (law@hurl.cygnus.com
* som.c (som_begin_writing): Don't write the symbol table or
symbol strings.
(som_finish_writing): Write them here. Place them after the
subspace data, but before the relocs.
Fri Sep 29 11:01:55 1995 Ian Lance Taylor <ian@cygnus.com>
* sunos.c (sunos_add_one_symbol): Just pass false, not
info->shared_library, to sunos_create_dynamic_sections.
(sunos_scan_ext_relocs): Don't warn about a reloc in the .text
section.
(sunos_check_dynamic_reloc): Remove .text section assertion.
Thu Sep 28 18:48:47 1995 Stan Shebs <shebs@andros.cygnus.com>
* config.bfd: Add powerpc-*-macos*, powerpc-*-mpw*.

85
bfd/som.c
View file

@ -2987,9 +2987,8 @@ som_begin_writing (abfd)
unsigned long current_offset = 0;
int strings_size = 0;
unsigned int total_reloc_size = 0;
unsigned long num_spaces, num_subspaces, num_syms, i;
unsigned long num_spaces, num_subspaces, i;
asection *section;
asymbol **syms = bfd_get_outsymbols (abfd);
unsigned int total_subspaces = 0;
struct som_exec_auxhdr *exec_header = NULL;
@ -3121,37 +3120,6 @@ som_begin_writing (abfd)
obj_som_file_hdr (abfd)->space_strings_size = strings_size;
current_offset += strings_size;
/* Next is the symbol table. These are fixed length records.
Count the number of symbols to determine how much room is needed
in the object file for the symbol table.
The names of the symbols are stored in a separate string table,
and the index for each symbol name into the string table is computed
below. Therefore, it is not possible to write the symobl table
at this time. */
num_syms = bfd_get_symcount (abfd);
obj_som_file_hdr (abfd)->symbol_location = current_offset;
obj_som_file_hdr (abfd)->symbol_total = num_syms;
current_offset += num_syms * sizeof (struct symbol_dictionary_record);
/* Next are the symbol strings.
Align them to a word boundary. */
if (current_offset % 4)
current_offset += (4 - (current_offset % 4));
obj_som_file_hdr (abfd)->symbol_strings_location = current_offset;
/* Scribble out the symbol strings. */
if (som_write_symbol_strings (abfd, current_offset, syms,
num_syms, &strings_size)
== false)
return false;
/* Record total string table size in header and update the
current offset. */
obj_som_file_hdr (abfd)->symbol_strings_size = strings_size;
current_offset += strings_size;
/* Next is the compiler records. We do not use these. */
obj_som_file_hdr (abfd)->compiler_location = current_offset;
obj_som_file_hdr (abfd)->compiler_total = 0;
@ -3362,20 +3330,60 @@ som_finish_writing (abfd)
bfd *abfd;
{
int num_spaces = som_count_spaces (abfd);
int i;
asymbol **syms = bfd_get_outsymbols (abfd);
int i, num_syms, strings_size;
int subspace_index = 0;
file_ptr location;
asection *section;
unsigned long current_offset;
unsigned int total_reloc_size;
/* Next is the symbol table. These are fixed length records.
Count the number of symbols to determine how much room is needed
in the object file for the symbol table.
The names of the symbols are stored in a separate string table,
and the index for each symbol name into the string table is computed
below. Therefore, it is not possible to write the symbol table
at this time.
These used to be output before the subspace contents, but they
were moved here to work around a stupid bug in the hpux linker
(fixed in hpux10). */
current_offset = obj_som_file_hdr (abfd)->som_length;
/* Make sure we're on a word boundary. */
if (current_offset % 4)
current_offset += (4 - (current_offset % 4));
num_syms = bfd_get_symcount (abfd);
obj_som_file_hdr (abfd)->symbol_location = current_offset;
obj_som_file_hdr (abfd)->symbol_total = num_syms;
current_offset += num_syms * sizeof (struct symbol_dictionary_record);
/* Next are the symbol strings.
Align them to a word boundary. */
if (current_offset % 4)
current_offset += (4 - (current_offset % 4));
obj_som_file_hdr (abfd)->symbol_strings_location = current_offset;
/* Scribble out the symbol strings. */
if (som_write_symbol_strings (abfd, current_offset, syms,
num_syms, &strings_size)
== false)
return false;
/* Record total string table size in header and update the
current offset. */
obj_som_file_hdr (abfd)->symbol_strings_size = strings_size;
current_offset += strings_size;
/* Do prep work before handling fixups. */
som_prep_for_fixups (abfd,
bfd_get_outsymbols (abfd),
bfd_get_symcount (abfd));
current_offset = obj_som_file_hdr (abfd)->som_length;
/* At the end of the file is the fixup stream which starts on a
word boundary. */
if (current_offset % 4)
@ -3390,7 +3398,8 @@ som_finish_writing (abfd)
/* Record the total size of the fixup stream in the file header. */
obj_som_file_hdr (abfd)->fixup_request_total = total_reloc_size;
obj_som_file_hdr (abfd)->som_length += total_reloc_size;
/* Done. Store the total size of the SOM. */
obj_som_file_hdr (abfd)->som_length = current_offset + total_reloc_size;
/* Now that the symbol table information is complete, build and
write the symbol table. */
@ -4976,7 +4985,7 @@ som_sizeof_headers (abfd, reloc)
bfd *abfd;
boolean reloc;
{
fprintf (stderr, "som_sizeof_headers unimplemented\n");
(*_bfd_error_handler) ("som_sizeof_headers unimplemented");
fflush (stderr);
abort ();
return (0);