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2000-04-02  Ulrich Drepper  <drepper@redhat.com>

	* elf/dl-fini.c (_dl_fini): Increment j counter after swapping in
	element at this position.

	* elf/Versions [ld.so] (GLIBC_2.2): Export _dl_load_lock.
	* elf/link.h (struct link_map): Add l_reldepsmax, l_reldepsact, and
	l_reldeps elements.
	* elf/dl-lookup.c (add_dependency): New function.
	(_dl_lookup_symbol): Use it whenever symbol was found in a global,
	dynamically loaded object.
	(_dl_lookup_symbol_skip): Likewise.
	(_dl_lookup_versioned_symbol): Likewise.
	(_dl_lookup_versioned_symbol_skip): Likewise.
	* elf/dl-open.c: Don't define _dl_load_lock here...
	* elf/rtld.c: ...but here...
	* elf/dl-support.c: ...and here.
	* elf/dl-close.c (_dl_close): Close also dependent objects introduce
	through relocation.
	* elf/dl-fini.c (_dl_fini): Also take dependencies introduced through
	relocations.
	* dlfcn/Makefile (glrefmain.out): Test is not expected to fail
	anymore.
	* dlfcn/glrefmain.c: Add one more debug message.

	* Makeconfig (preprocess-versions): Don't add $(CPPFLAGS) to compiler
	command line.
	* Makerules (sysd-versions): Use ( ) instead of { }.

	* elf/dl-load.c: Use __builtin_expect to signal that compiler should
	optimize for the non-debugging case.
	* elf/dl-lookup.c: Likewise.
	* sysdeps/generic/libc-start.c: Likewise.
This commit is contained in:
Ulrich Drepper
2000-04-03 03:51:04 +00:00
parent ec79422d9e
commit cf197e41e7
14 changed files with 348 additions and 34 deletions
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10
elf/rtld.c
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@@ -27,6 +27,7 @@
#include <entry.h>
#include <fpu_control.h>
#include <hp-timing.h>
#include <bits/libc-lock.h>
#include "dynamic-link.h"
#include "dl-librecon.h"
@@ -105,6 +106,15 @@ struct r_scope_elem _dl_initial_searchlist;
/* Array which is used when looking up in the global scope. */
struct r_scope_elem *_dl_global_scope[2];
/* During the program run we must not modify the global data of
loaded shared object simultanously in two threads. Therefore we
protect `_dl_open' and `_dl_close' in dl-close.c.
This must be a recursive lock since the initializer function of
the loaded object might as well require a call to this function.
At this time it is not anymore a problem to modify the tables. */
__libc_lock_define_initialized_recursive (, _dl_load_lock)
/* Set nonzero during loading and initialization of executable and
libraries, cleared before the executable's entry point runs. This
must not be initialized to nonzero, because the unused dynamic