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Various changes to get linker working again for a.out: 

* don't set/adjust section file positions or vmas more than once
 * use correct page size and segment size when calculating them
 * deal with some variations in a.out implementations
Tested on sun4 and sun4->sun3 so far, will be testing further but
needed to get wider exposure&testing.  See ChangeLog for details.

Also:
* coffcode.h (coff_write_relocs): Write out swapped reloc, not
pre-swapped version.
* hosts/sparc.h (abort, exit): Hide these names if compiling with
gcc version 2, to avoid warnings.
This commit is contained in:
Ken Raeburn 1992-06-16 11:34:07 +00:00
parent c72af08913
commit 41729eb4b0
1 changed files with 54 additions and 0 deletions
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54
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@ -1,3 +1,57 @@
Tue Jun 16 06:28:21 1992 Ken Raeburn (Raeburn@Cygnus.COM)
* targets.c (struct bfd_target): Added field for target-specific
(but not file-specific) data, for distinguishing minor
characteristics between (e.g.) a.out formats.
* section.c (struct sec): New field user_set_vma indicates vma
field should be heeded, not assumed to be unset.
(STD_SECTION): Initialize that field of standard sections to zero.
* bfd-in.h (bfd_set_section_vma): Set user_set_vma to true.
* coffcode.h (coff_write_relocs): Write out swapped reloc, not
pre-swapped version.
* archures.c (struct bfd_arch_info): Fixed order of comment and
field decl. New fields indicate size of page and segment for
architecture.
* cpu-m68k.c (N): Fill in values.
* cpu-sparc.c (arch_info_struct): Ditto.
* libaout.h (struct aout_backend_data): Various bits of data (not
all used currently) with characteristics of a.out implementation.
Important field for now is text_includes_header, indicating that
the text section starts immediately after the file header, which
gets mapped in with it.
(struct aout_data): New fields indicate whether vma has been
adjusted yet (not yet used), and what magic number will be used in
the output file (should go away in favor of vma_adjusted).
(WRITE_HEADERS): Code for dealing with section sizes and related
header fields replaced with call to adjust_sizes_and_vmas.
* aoutx.h (some_aout_object_p): Fill in magic number field.
Set WP_TEXT flag for ZMAGIC as well as NMAGIC files.
(set_arch_mach): Set page size and segment size once CPU
type is known.
(adjust_sizes_and_vmas): New function; has much code moved
from set_section_contents and WRITE_HEADERS. Sets or adjusts vma
and size parameters, as well as many header fields, after deciding
on magic number for output file. Checks to ensure that this
adjustment has only been done once.
(set_section_contents): Call adjust_sizes_and_vmas instead of
doing much of the work here.
* aout-target.h (MY_make_debug_symbol, MY_backend_data): Provide
default (null) values of these fields.
* aoutf1.h (sunos4_write_object_contents): Don't override a_text
value in exec header.
(sunos4_aout_backend, MY_backend_data): Define backend data
indicating file header is included in text section.
* aoutf1.h (MY_reloc_howto_type_lookup): Fix typo.
* hosts/sparc.h (abort, exit): Hide these names if compiling with
gcc version 2, to avoid warnings.
Mon Jun 15 12:26:56 1992 Fred Fish (fnf@cygnus.com)
* config/ncr3000.mh (INSTALL, RANLIB): Don't use /usr/ucb/install,