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1998-07-10 18:14 -0400  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* manual/Makefile: Overhauled.  Generate libc.texinfo from the
	chapter files.  Exorcise the chapters, chapters-incl mess.
	Support inserting doc chapters from add-on modules.
	(chapters): New variable.
	(add-chapters): New variable.
	(appendices): New variable.
	(libc.texinfo): New target.
	(clean): Fix bugs.
	(realclean): Fix bugs.

	* manual/texis.awk: New file.
	* manual/libc-texinfo.sh: New file.
	* manual/libc-texinfo.in: New file.

	* manual/conf.texi (top @node): Remove next pointer.
	* manual/lang.texi (top @node): Remove prev pointer.

	* manual/job.texi (top @node): Add explicit pointers.
	* manual/message.texi (top @node): Add explicit pointers.
	* manual/nss.texi (top @node): Add explicit pointers.
	* manual/process.texi (top @node): Add explicit pointers.
	* manual/startup.texi (top @node): Add explicit pointers.
	* manual/terminal.texi (top @node): Add explicit pointers.
	* manual/users.texi (top @node): Add explicit pointers.

	* manual/arith.texi: Add %MENU% tag.
	* manual/conf.texi: Add %MENU% tag.
	* manual/contrib.texi: Add %MENU% tag.
	* manual/ctype.texi: Add %MENU% tag.
	* manual/errno.texi: Add %MENU% tag.
	* manual/filesys.texi: Add %MENU% tag.
	* manual/header.texi: Add %MENU% tag.
	* manual/install.texi: Add %MENU% tag.
	* manual/intro.texi: Add %MENU% tag.
	* manual/io.texi: Add %MENU% tag.
	* manual/job.texi: Add %MENU% tag.
	* manual/lang.texi: Add %MENU% tag.
	* manual/llio.texi: Add %MENU% tag.
	* manual/locale.texi: Add %MENU% tag.
	* manual/maint.texi: Add %MENU% tag.
	* manual/math.texi: Add %MENU% tag.
	* manual/mbyte.texi: Add %MENU% tag.
	* manual/memory.texi: Add %MENU% tag.
	* manual/message.texi: Add %MENU% tag.
	* manual/nss.texi: Add %MENU% tag.
	* manual/pattern.texi: Add %MENU% tag.
	* manual/pipe.texi: Add %MENU% tag.
	* manual/process.texi: Add %MENU% tag.
	* manual/search.texi: Add %MENU% tag.
	* manual/setjmp.texi: Add %MENU% tag.
	* manual/signal.texi: Add %MENU% tag.
	* manual/socket.texi: Add %MENU% tag.
	* manual/startup.texi: Add %MENU% tag.
	* manual/stdio.texi: Add %MENU% tag.
	* manual/string.texi: Add %MENU% tag.
	* manual/sysinfo.texi: Add %MENU% tag.
	* manual/terminal.texi: Add %MENU% tag.
	* manual/time.texi: Add %MENU% tag.
	* manual/users.texi: Add %MENU% tag.

1998-07-13  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (x86_cap_flags):
	Update.

1998-07-11  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/recvmsg.c (__libc_recvmsg): Use ANSI
	style declaration to avoid warning.
	* sysdeps/unix/sysv/linux/sendmsg.c (__libc_sendmsg): Likewise.

1998-07-04  Mark Kettenis  <kettenis@phys.uva.nl>

	* elf/rtld.c (process_dl_debug): Add missing continue.

1998-07-12  Mark Kettenis  <kettenis@phys.uva.nl>

	* elf/rtld.c (_dl_skip_args): Make global because the Hurd startup
	code needs it.

1998-07-10  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makeconfig ($(common-objpfx)sysd-dirs): Write out definition of
	sysd-dirs-done.
	* Makerules: Don't generate version maps too early.
	($(common-objpfx)sysd-versions): Force regeneration if the list of
	subdirs has changed.

1998-07-10  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dlfcn.h (DL_CALL_FCT): Use portable comma expression.

1998-07-11  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* iconv/gconv_db.c (gen_steps): Always set *handle and *nsteps.
	* iconv/gconv_dl.c (__gconv_find_shlib): Correct use of tfind
	return value.

1998-07-12  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dl-open.c (dl_open_worker): New function.
	(_dl_open): Call it to do the actual work while catching errors.
	* elf/dl-close.c (_dl_close): Only call termination function if
	the initialisation function was called.

1998-07-13  Ulrich Drepper  <drepper@cygnus.com>

	* libio/libioP.h (_IO_cleanup_registration_needed): Use __PMT.
	Reported by Felix von Leitner <leitner@amdiv.de>.

1998-07-13 10:28  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
	* elf/rtld.c (process_dl_debug): Add missing continue.

1998-06-23  Mark Kettenis  <kettenis@phys.uva.nl>
This commit is contained in:
Ulrich Drepper
1998-07-13 12:29:13 +00:00
parent ceb27555a1
commit 7a68c94a5b
54 changed files with 4246 additions and 2631 deletions
Download Patch File Download Diff File Expand all files Collapse all files

82
elf/dl-open.c
View File

@ -20,6 +20,7 @@
#include <dlfcn.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <bits/libc-lock.h>
#include <elf/ldsodefs.h>
@ -50,25 +51,31 @@ static size_t _dl_global_scope_alloc;
__libc_lock_define_initialized_recursive (, _dl_load_lock)
struct link_map *
internal_function
_dl_open (const char *file, int mode)
/* We must be carefull not to leave us in an inconsistent state. Thus we
catch any error and re-raise it after cleaning up. */
struct dl_open_args
{
const char *file;
int mode;
struct link_map *map;
};
static void
dl_open_worker (void *a)
{
struct dl_open_args *args = a;
const char *file = args->file;
int mode = args->mode;
struct link_map *new, *l;
ElfW(Addr) init;
struct r_debug *r;
/* Make sure we are alone. */
__libc_lock_lock (_dl_load_lock);
/* Load the named object. */
new = _dl_map_object (NULL, file, 0, lt_loaded, 0);
args->map = new = _dl_map_object (NULL, file, 0, lt_loaded, 0);
if (new->l_searchlist)
{
/* It was already open. */
__libc_lock_unlock (_dl_load_lock);
return new;
}
/* It was already open. */
return;
/* Load that object's dependencies. */
_dl_map_object_deps (new, NULL, 0, 0);
@ -147,7 +154,7 @@ _dl_open (const char *file, int mode)
{
_dl_global_scope = _dl_default_scope;
nomem:
_dl_close (new);
new->l_global = 0;
_dl_signal_error (ENOMEM, file, "cannot extend global scope");
}
_dl_global_scope[2] = _dl_default_scope[2];
@ -158,8 +165,8 @@ _dl_open (const char *file, int mode)
}
else
{
if (_dl_global_scope_alloc <
(size_t) (_dl_global_scope_end - _dl_global_scope + 2))
if (_dl_global_scope_end + 2
== _dl_global_scope + _dl_global_scope_alloc)
{
/* Must extend the list. */
struct link_map **new = realloc (_dl_global_scope,
@ -167,9 +174,8 @@ _dl_open (const char *file, int mode)
* sizeof (struct link_map *));
if (! new)
goto nomem;
_dl_global_scope_end = new + (_dl_global_scope_end -
_dl_global_scope);
_dl_global_scope = new;
_dl_global_scope_end = new + _dl_global_scope_alloc - 2;
_dl_global_scope_alloc *= 2;
}
@ -199,9 +205,49 @@ _dl_open (const char *file, int mode)
/* We must be the static _dl_open in libc.a. A static program that
has loaded a dynamic object now has competition. */
__libc_multiple_libcs = 1;
}
struct link_map *
internal_function
_dl_open (const char *file, int mode)
{
struct dl_open_args args;
char *errstring;
int errcode;
/* Make sure we are alone. */
__libc_lock_lock (_dl_load_lock);
args.file = file;
args.mode = mode;
args.map = NULL;
errcode = _dl_catch_error (&errstring, dl_open_worker, &args);
/* Release the lock. */
__libc_lock_unlock (_dl_load_lock);
return new;
if (errstring)
{
/* Some error occured during loading. */
char *local_errstring;
/* Reset the global scope. */
*_dl_global_scope_end = NULL;
/* Remove the object from memory. It may be in an inconsistent
state if relocation failed, for example. */
if (args.map)
_dl_close (args.map);
/* Make a local copy of the error string so that we can release the
memory allocated for it. */
local_errstring = strdupa (errstring);
free (errstring);
/* Reraise the error. */
_dl_signal_error (errcode, NULL, local_errstring);
}
return args.map;
}