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changed calling convention for Q_enter_global_ref

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* ldexp.c, ldlang.c, ldmain.c: reflect this
	* ldver.c: bump version to 1.97.1
	* ldindr.c (add_indirect): when an edict declaring an indirect
	symbol is found, make sure that any ideas about the symbol being
	common are changed if it now known to be defined.
	* ldmain.c (linear_library): complain once if archive isn't
	ranlibbed.
	* ldlang.h, ldlang.c: make room for and initialize the complain
	once field.
This commit is contained in:
Steve Chamberlain 1992-05-06 20:31:01 +00:00
parent 5a9b659196
commit 32846f9c3e
3 changed files with 47 additions and 6 deletions
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13
ld/ChangeLog
View File

@ -1,3 +1,16 @@
Wed May 6 13:26:19 1992 Steve Chamberlain (sac@thepub.cygnus.com)
changed calling convention for Q_enter_global_ref
* ldexp.c, ldlang.c, ldmain.c: reflect this
* ldver.c: bump version to 1.97.1
* ldindr.c (add_indirect): when an edict declaring an indirect
symbol is found, make sure that any ideas about the symbol being
common are changed if it now known to be defined.
* ldmain.c (linear_library): complain once if archive isn't
ranlibbed.
* ldlang.h, ldlang.c: make room for and initialize the complain
once field.
Wed May 6 11:07:35 1992 K. Richard Pixley (rich@rtl.cygnus.com)
* Makefile.in: use flex & bison from ../ if they exist.

34
ld/ldindr.c
View File

@ -1,6 +1,10 @@
/* ldindr.c
Handle indirect symbols.
An indirect symbol is where a global symbol in one file say's that
all refs like it should be turned into refs of the symbol pointed
at by the value of the indirect symbol.
BFD supplies symbols to be indirected with the BFD_INDIRECT bit
set. Whenever the linker gets one of these, it calls add_indirect
with the symbol. We look up the symbol which this one dereferneces,
@ -42,17 +46,40 @@ asymbol **b_list)
}
}
#if 0
void
DEFUN(copy_over,(ldsym, bfdsym),
ldsym_type *ldsym AND
asymbol **bfdsym)
{
while (list && *list)
{
refize(Q_enter_global_ref(list, name);
list = (asymbol **)((*list)->udata);
}
}
#endif
/* This call allows us to change the symbol table so that all future
refs to the symbol are patched to know the alias - but we still
have to fix all the old ones */
void
DEFUN(add_indirect,(ptr),
asymbol **ptr)
{
asymbol **p;
ldsym_type *lgs = ldsym_get((*ptr)->name);
ldsym_type *new = ldsym_get(((asymbol *)((*ptr)->value))->name);
/* If the mapping has already been done, stop now */
if (lgs == new) return;
lgs->flags |= SYM_INDIRECT;
if (lgs->sdefs_chain && lgs->sdefs_chain[0])
{
einfo("indirect symbol already has definition %s", lgs->sdefs_chain[0]);
}
new->scoms_chain = move_it(new->scoms_chain, lgs->scoms_chain);
lgs->scoms_chain = 0;
new->srefs_chain = move_it(new->srefs_chain, lgs->srefs_chain);
@ -60,7 +87,12 @@ asymbol **ptr)
new->sdefs_chain = move_it(new->sdefs_chain, lgs->sdefs_chain);
lgs->sdefs_chain = 0;
lgs->sdefs_chain = (asymbol **)new;
/* If the result has any commons they should be turned into refs */
if (new->sdefs_chain && new->scoms_chain)
{
refize(new, new->scoms_chain);
}
}

6
ld/ldsym.c
View File

@ -18,17 +18,13 @@ You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
* $Id$
*/
/*
We keep a hash table of global symbols. Each entry in a hash table
is called an ldsym_type. Each has three chains; a pointer to a
chain of definitions for the symbol (hopefully one long), a pointer
to a chain of references to the symbol, and a pointer to a chain of
common symbols. Each pointer points into the canonical symbol table
provided by bfd, each one of which points to an asymbol. Duringing
provided by bfd, each one of which points to an asymbol. During
linkage, the linker uses the udata field to point to the next entry
in a canonical table....