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authorRoland McGrath <roland@gnu.org>1995-05-02 06:35:55 +0000
committerRoland McGrath <roland@gnu.org>1995-05-02 06:35:55 +0000
commitd66e34cd423425c348bcc83df127dd19711b0b9a (patch)
tree97058e776d3b4fe06ef54bc4951596991652183f /elf/dl-object.c
parent08162fa888913a5153d2fcdc4e1a816b57b1fe56 (diff)
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* sysdeps/mach/i386/sysdep.h (SNARF_ARGS, CALL_WITH_SP): Rewritten.
* sysdeps/i386/dl-machine.h: New file. * sysdeps/stub/dl-machine.h: New file. * sysdeps/i386/dl-runtime.c: New file. * sysdeps/stub/dl-runtime.c: New file. * sysdeps/i386/elf/start.S: New file. * sysdeps/generic/dl-sysdep.c: New file. * sysdeps/mach/hurd/dl-sysdep.c: New file.
Diffstat (limited to 'elf/dl-object.c')
-rw-r--r--elf/dl-object.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/elf/dl-object.c b/elf/dl-object.c
new file mode 100644
index 0000000..e7b1ce3
--- /dev/null
+++ b/elf/dl-object.c
@@ -0,0 +1,63 @@
+/* Storage management for the chain of loaded shared objects.
+Copyright (C) 1995 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
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <link.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+/* List of objects currently loaded. */
+struct link_map *_dl_loaded;
+
+/* Tail of that list which were loaded at startup. */
+struct link_map *_dl_startup_loaded;
+
+/* Allocate a `struct link_map' for a new object being loaded,
+ and enter it into the _dl_loaded list. */
+
+struct link_map *
+_dl_new_object (char *realname, const char *libname, int type)
+{
+ struct link_map *new = malloc (sizeof *new);
+ if (! new)
+ _dl_signal_error (ENOMEM, "can't open new object");
+
+ memset (new, 0, sizeof *new);
+ new->l_name = realname;
+ new->l_libname = libname;
+ new->l_type = type;
+
+ if (_dl_loaded == NULL)
+ {
+ new->l_prev = new->l_next = NULL;
+ _dl_loaded = new;
+ }
+ else
+ {
+ struct link_map *l = _dl_loaded;
+ while (l->l_next)
+ l = l->l_next;
+ new->l_prev = l;
+ new->l_next = NULL;
+ l->l_next = new;
+ }
+
+ return new;
+}