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* xcofflink.c (xcoff_link_add_symbols): Create the special 

sections if we see a DYNAMIC object, in case that is the only
	XCOFF input object we see.
PR 8788.
This commit is contained in:
Ian Lance Taylor 1996-01-12 04:29:59 +00:00
parent f22d1530fc
commit c9746fb695
2 changed files with 43 additions and 12 deletions
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4
bfd/ChangeLog
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@ -13,6 +13,10 @@ Thu Jan 11 17:06:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
Thu Jan 11 11:23:30 1996 Ian Lance Taylor <ian@cygnus.com>
* xcofflink.c (xcoff_link_add_symbols): Create the special
sections if we see a DYNAMIC object, in case that is the only
XCOFF input object we see.
* elf32-mips.c: Extensive changes for a start at dynamic linking
support, from Kazumoto Kojima <kkojima@info.kanagawa-u.ac.jp>.

51
bfd/xcofflink.c
View File

@ -953,18 +953,14 @@ xcoff_link_add_symbols (abfd, info)
if ((abfd->flags & DYNAMIC) != 0
&& ! info->static_link)
return xcoff_link_add_dynamic_symbols (abfd, info);
n_tmask = coff_data (abfd)->local_n_tmask;
n_btshft = coff_data (abfd)->local_n_btshft;
/* Define macros so that ISFCN, et. al., macros work correctly. */
#define N_TMASK n_tmask
#define N_BTSHFT n_btshft
{
if (! xcoff_link_add_dynamic_symbols (abfd, info))
return false;
}
/* We need to build a .loader section, so we do it here. This won't
work if we're producing an XCOFF output file with no non dynamic
XCOFF input files. FIXME. */
work if we're producing an XCOFF output file with no XCOFF input
files. FIXME. */
if (xcoff_hash_table (info)->loader_section == NULL)
{
asection *lsec;
@ -1023,6 +1019,17 @@ xcoff_link_add_symbols (abfd, info)
dsec->flags |= SEC_HAS_CONTENTS | SEC_IN_MEMORY;
}
if ((abfd->flags & DYNAMIC) != 0
&& ! info->static_link)
return true;
n_tmask = coff_data (abfd)->local_n_tmask;
n_btshft = coff_data (abfd)->local_n_btshft;
/* Define macros so that ISFCN, et. al., macros work correctly. */
#define N_TMASK n_tmask
#define N_BTSHFT n_btshft
if (info->keep_memory)
default_copy = false;
else
@ -2535,6 +2542,8 @@ struct xcoff_loader_info
bfd *output_bfd;
/* Link information structure. */
struct bfd_link_info *info;
/* Whether all defined symbols should be exported. */
boolean export_defineds;
/* Number of ldsym structures. */
size_t ldsym_count;
/* Size of string table. */
@ -2550,12 +2559,23 @@ struct xcoff_loader_info
.loader section before the linker lays out the output file.
LIBPATH is the library path to search for shared objects; this is
normally built from the -L arguments passed to the linker. ENTRY
is the name of the entry point symbol. */
is the name of the entry point symbol (the -e linker option).
FILE_ALIGN is the alignment to use for sections within the file
(the -H linker option). MAXSTACK is the maximum stack size (the
-bmaxstack linker option). MAXDATA is the maximum data size (the
-bmaxdata linker option). GC is whether to do garbage collection
(the -bgc linker option). MODTYPE is the module type (the
-bmodtype linker option). TEXTRO is whether the text section must
be read only (the -btextro linker option). EXPORT_DEFINEDS is
whether all defined symbols should be exported (the -unix linker
option). SPECIAL_SECTIONS is set by this routine to csects with
magic names like _end. */
boolean
bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry,
file_align, maxstack, maxdata, gc,
modtype, textro, special_sections)
modtype, textro, export_defineds,
special_sections)
bfd *output_bfd;
struct bfd_link_info *info;
const char *libpath;
@ -2566,6 +2586,7 @@ bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry,
boolean gc;
int modtype;
boolean textro;
boolean export_defineds;
asection **special_sections;
{
struct xcoff_link_hash_entry *hentry;
@ -2592,6 +2613,7 @@ bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry,
ldinfo.failed = false;
ldinfo.output_bfd = output_bfd;
ldinfo.info = info;
ldinfo.export_defineds = export_defineds;
ldinfo.ldsym_count = 0;
ldinfo.string_size = 0;
ldinfo.strings = NULL;
@ -2902,6 +2924,11 @@ xcoff_build_ldsyms (h, p)
struct xcoff_loader_info *ldinfo = (struct xcoff_loader_info *) p;
size_t len;
/* If all defined symbols should be exported, mark them now. */
if (ldinfo->export_defineds
&& (h->flags & XCOFF_DEF_REGULAR) != 0)
h->flags |= XCOFF_EXPORT;
/* We don't want to garbage collect symbols which are not defined in
XCOFF files. This is a convenient place to mark them. */
if (xcoff_hash_table (ldinfo->info)->gc