Update.

	* Versions.def (ld.so): Add GLIBC_2.1.1.
	* elf/Makefile (routines): Add dl-origin.
	(tests): Add origtest.  Add dependencies for the program.
	* elf/Versions (ld.so) [GLIBC_2.1.1]: Add _dl_origin_path,
	_dl_platformlen, _dl_dst_count and _dl_dst_substitute.
	* elf/dl-deps.c (expand_dst): New macro.  Expand DSTs in filename.
	(_dl_map_object_deps): Use expand_dst to expand DSTs in DT_NEEDED,
	DT_AUXILIARY, and DT_FILTER filenames.
	* elf/dl-load.c (expand_dynamic_string_token): Explode into
	two functions and three macros.
	(_dl_dst_count, _dl_dst_substitute): New functions.
	* elf/dl-dst.h: New file.
	* elf/dl-open.c (_dl_open): Take extra parameter with address of
	caller.  Pass address in args structure.
	(dl_open_worker): Recognize and expand DSTs in filename.
	* elf/ldsodefs.h (_dl_open): Adapt prototype.
	* elf/dlopen.c (dlopen_doit): Pass caller address to _dl_open.
	(__dlopen_check): Pass caller address to dlopen_doit in args.
	* elf/dlopendoit.c: Likewise.
	* iconv/gconv_dl.c: Adapt call of _dl_open.
	* nss/nsswitch.c: Likewise.
	* elf/origtest.c: New file.
	* sysdeps/generic/dl-origin.h: Moved to...
	* sysdeps/generic/dl-origin.c: ...here.
	* sysdeps/unix/sysv/linux/dl-origin.h: Moved to...
	* sysdeps/unix/sysv/linux/dl-origin.c: ...here.

1 files changed, 5 insertions, 2 deletions

diff --git a/elf/dlopen.c b/elf/dlopen.c
index 496fc7d386..b72300df5c 100644
--- a/elf/dlopen.c
+++ b/elf/dlopen.c
@@ -1,5 +1,5 @@
 /* Load a shared object at run time.
-   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -28,6 +28,8 @@ struct dlopen_args
   int mode;
   /* The return value of dlopen_doit.  */
   struct link_map *new;
+  /* Address of the caller.  */
+  const void *caller;
 };
 
 
@@ -36,7 +38,7 @@ dlopen_doit (void *a)
 {
   struct dlopen_args *args = (struct dlopen_args *) a;
 
-  args->new = _dl_open (args->file ?: "", args->mode);
+  args->new = _dl_open (args->file ?: "", args->mode, args->caller);
 }
 
 
@@ -46,6 +48,7 @@ __dlopen_check (const char *file, int mode)
   struct dlopen_args args;
   args.file = file;
   args.mode = mode;
+  args.caller = __builtin_return_address (0);
 
   return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;
 }