1995-05-02 08:35:55 +02:00
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/* Operating system support for run-time dynamic linker. Generic Unix version.
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1996-02-20 00:14:44 +01:00
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Copyright (C) 1995, 96 Free Software Foundation, Inc.
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1995-05-02 08:35:55 +02:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <elf.h>
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#include <sys/types.h>
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1996-07-15 02:05:56 +02:00
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#include <sys/stat.h>
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1996-07-16 08:38:54 +02:00
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#include <sys/mman.h>
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1995-05-02 08:35:55 +02:00
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#include <fcntl.h>
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#include <link.h>
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Sat Jul 22 01:56:03 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/unix/i386/sysdep.h (JUMPTARGET): New macro; use name@PLT
#ifdef PIC.
(PSEUDO): Use JUMPTARGET(syscall_error) in jump insn.
* sysdeps/unix/i386/syscall.S: Use JUMPTARGET(syscall_error) in
jump insn.
* sysdeps/unix/sysv/sysv4/linux/i386/sysdep.h: Rewritten.
* sysdeps/unix/sysv/sysv4/linux/i386/syscall.S: New file.
* sysdeps/unix/sysv/sysv4/linux/i386/socket.S: Include
<sys/socketcall.h>. Save %ebx in call-clobbered %edx instead of
stack. Use JUMPTARGET(syscall_error) in jump insn.
* Makeconfig (+gccwarn): Add -Wbad-function-cast -Wconversion.
* sysdeps/unix/i386/sysdep.h (ENTRY): Use ASM_GLOBAL_DIRECTIVE and
ASM_TYPE_DIRECTIVE.
(ASM_TYPE_DIRECTIVE): New macro; defined using `.type' #ifdef ELF.
* sysdeps/unix/sysv/sysv4/linux/i386/sysdep.S (__syscall_error):
Rewritten, #include'ing unix/i386/sysdep.S for most of the code.
* sysdeps/unix/i386/sysdep.S [PIC]: Store into `errno' through the GOT.
Fixes to help Linux, inspired by drepper's work:
* configure.in (os=linux*): Use unix/sysv/sysv4 for $base_os,
instead of unix/sysv.
* sysdeps/posix/utimes.c: New file.
* sysdeps/generic/getdomain.c: New file.
* sysdeps/i386/init-first.c: Removed gratuitous #include <hurd.h>.
* sysdeps/generic/dl-sysdep.c: Include <unistd.h> and declare
externals _dl_argc, _dl_argc, and _environ.
* sysdeps/unix/sysv/linux/{accept,connect,getsockname,rename,
socketpair,waitpid,bind,getpeername,listen,setsid,wait4}.S: Moved
to new directory sysdeps/unix/sysv/sysv4/linux.
* sysdeps/unix/sysv/linux: Directory removed.
* sysdeps/unix/sysv/i386/linux/{socket.S,sysdep.h,sysdep.S}: Moved
to new directory sysdeps/unix/sysv/sysv4/linux/i386.
* sysdeps/unix/sysv/linux/i386: Directory removed.
1995-07-22 12:48:43 +02:00
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#include <unistd.h>
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1996-06-12 03:54:21 +02:00
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#include <stdarg.h>
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#include <string.h>
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Sat Jul 22 01:56:03 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/unix/i386/sysdep.h (JUMPTARGET): New macro; use name@PLT
#ifdef PIC.
(PSEUDO): Use JUMPTARGET(syscall_error) in jump insn.
* sysdeps/unix/i386/syscall.S: Use JUMPTARGET(syscall_error) in
jump insn.
* sysdeps/unix/sysv/sysv4/linux/i386/sysdep.h: Rewritten.
* sysdeps/unix/sysv/sysv4/linux/i386/syscall.S: New file.
* sysdeps/unix/sysv/sysv4/linux/i386/socket.S: Include
<sys/socketcall.h>. Save %ebx in call-clobbered %edx instead of
stack. Use JUMPTARGET(syscall_error) in jump insn.
* Makeconfig (+gccwarn): Add -Wbad-function-cast -Wconversion.
* sysdeps/unix/i386/sysdep.h (ENTRY): Use ASM_GLOBAL_DIRECTIVE and
ASM_TYPE_DIRECTIVE.
(ASM_TYPE_DIRECTIVE): New macro; defined using `.type' #ifdef ELF.
* sysdeps/unix/sysv/sysv4/linux/i386/sysdep.S (__syscall_error):
Rewritten, #include'ing unix/i386/sysdep.S for most of the code.
* sysdeps/unix/i386/sysdep.S [PIC]: Store into `errno' through the GOT.
Fixes to help Linux, inspired by drepper's work:
* configure.in (os=linux*): Use unix/sysv/sysv4 for $base_os,
instead of unix/sysv.
* sysdeps/posix/utimes.c: New file.
* sysdeps/generic/getdomain.c: New file.
* sysdeps/i386/init-first.c: Removed gratuitous #include <hurd.h>.
* sysdeps/generic/dl-sysdep.c: Include <unistd.h> and declare
externals _dl_argc, _dl_argc, and _environ.
* sysdeps/unix/sysv/linux/{accept,connect,getsockname,rename,
socketpair,waitpid,bind,getpeername,listen,setsid,wait4}.S: Moved
to new directory sysdeps/unix/sysv/sysv4/linux.
* sysdeps/unix/sysv/linux: Directory removed.
* sysdeps/unix/sysv/i386/linux/{socket.S,sysdep.h,sysdep.S}: Moved
to new directory sysdeps/unix/sysv/sysv4/linux/i386.
* sysdeps/unix/sysv/linux/i386: Directory removed.
1995-07-22 12:48:43 +02:00
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extern int _dl_argc;
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extern char **_dl_argv;
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extern char **_environ;
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Sat Sep 16 17:47:19 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* elf/elf.h (AT_GID): Fix typo: Read -> Real.
* misc/efgvt_r.c: New file. Reentrant version of [efg]cvt functions.
* misc/efgcvt.c: Rewrite to use reentrant functions.
* misc/hsearch_r.c: New file. Reentrant version of functions from
hsearch family.
* misc/hsearch.c, misc/tsearch.c: New files.
* misc/Makefile (routines): Add efgcvt_r, hsearch_r, hsearch, tsearch.
* posix/unistd.h (ttyname_r): Add prototype for new function.
* stdlib/drand48_r.c, stdlib/erand48_r.c, stdlib/jrand48_r.c,
stdlib/lrand48_r.c, stdlib/mrand48_r.c, stdlib/nrand48_r.c,
stdlib/seed48_r.c, stdlib/srand48_r.c, stdlib/lcong48_r.c,
stdlib/drand48-iter.c: New files implementing reentrant versions
of functions from drand48 family.
* stdlib/seed48.c, stdlib/drand48.c, stdlib/erand48.c,
stdlib/jrand48.c, stdlib/lrand48.c, stdlib/mrand48.c,
stdlib/nrand48.c, stdlib/srand48.c, stdlib/lcong48.c:
Rewrite to use reentrant versions.
* stdlib/a64l.c, stdlib/l64a.c: New files. Implement a64l()
and l64a() functions from SysV library.
* stdlib/Makefile (routines): Add drand48_r, erand48_r, lrand48_r,
nrand48_r, mrand48_r, jrand48_r, srand48_r, seed48_r, lcong48_r,
drand48-iter, a64l, l64a.
* stdlib/stdlib.h: Declare them.
* stdlib/random_r.c: New file. Reentrant version of functions
from random family.
* stdlib/stdlib.h: Declare them.
* stdlib/random.c: Rewrite to use reentrant functions.
* string/strerror_r.c: New file. Reentrant version.
* string/strerror.c: Change for new _strerror_internal form.
* string/Makefile (routines): Add strerror_r.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Set default
value of user_entry to `_start'.
Close AT_ENTRY case with `break'.
* sysdeps/generic/strstr.c: New and much faster implementation
by Stephen R. van den Berg.
* sysdeps/generic/_strerror.c: _strerror_internal now takes
three argument and has and explicit buffer length.
* sysdeps/mach/_strerror.c: Change for new interface with three
arguments.
* stdio/perror.c, stdio/vfprintf.c: Callers changed.
* sysdeps/mach/hurd/ttyname_r.c: New file. Reentrant version.
* sysdeps/posix/ttyname_r.c: New file. Reentrant version.
* sysdeps/stub/ttyname_r: New file. Define as dummy function.
* sysdeps/posix/utimes.c: Include <utime.h> for prototype.
(utimes): First parameter to utime must be file, not path.
* sysdeps/posix/sysconf.c (__sysconf): Test for CLK_TCK in case
_SC_CLK_TCK and return it when available.
Test for STREAM_MAX in case _SC_STREAM_MAX and return it when
available.
Add case for _SC_2_LOCALEDEF which is now available.
* posix/sys/types.h [__USE_SVID] (key_t): New type.
* sysvipc/Makefile, sysvipc/ftok.c, sysvipc/sys/ipc.h,
sysvipc/sys/msg.h, sysvipc/sys/sem.h, sysvipc/sys/shm.h,
sysdeps/stub/sys/msq_buf.h, sysdeps/stub/sys/sem_buf.h,
sysdeps/stub/sys/shm_buf.h, sysdeps/stub/sys/ipc_buf.h,
sysdeps/stub/semctl.c, sysdeps/stub/semget.c, sysdeps/stub/semop.c,
sysdeps/stub/shmat.c, sysdeps/stub/shmctl.c, sysdeps/stub/shmdt.c,
sysdeps/stub/shmget.c, sysdeps/stub/msgctl.c, sysdeps/stub/msgget.c,
sysdeps/stub/msgrcv.c, sysdeps/stub/msgsnd.c: New files.
Add implementation of System V IPC.
1995-09-17 22:23:15 +02:00
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extern void _start (void);
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1996-02-20 00:14:44 +01:00
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extern int _dl_secure;
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1995-05-02 08:35:55 +02:00
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1996-06-12 03:54:21 +02:00
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ElfW(Addr)
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1995-05-02 08:35:55 +02:00
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_dl_sysdep_start (void **start_argptr,
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1996-06-12 03:54:21 +02:00
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void (*dl_main) (const ElfW(Phdr) *phdr, ElfW(Word) phnum,
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ElfW(Addr) *user_entry))
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1995-05-02 08:35:55 +02:00
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{
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1996-06-12 03:54:21 +02:00
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const ElfW(Phdr) *phdr;
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ElfW(Word) phnum;
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ElfW(Addr) user_entry;
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ElfW(auxv_t) *av;
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1995-05-02 08:35:55 +02:00
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uid_t uid, euid;
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gid_t gid, egid;
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Sat Apr 20 18:13:00 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* Makerules (no-whole-archive): Test $(have-no-whole-archive), not
$(libc_cv_ld_no_whole_archive).
Sat Apr 20 17:07:17 1996 Ulrich Drepper <drepper@cygnus.com>
* assert/assert.h, ctype/ctype.h, dirent/dirent.h, errno.h,
grp/grp.h, io/fcntl.h, io/sys/stat.h, io/utime.h, locale/locale.h,
math/math.h, misc/nlist.h, misc/sgtty.h, misc/sys/file.h,
misc/sys/ioctl.h, misc/sys/uio.h, posix/sys/times.h,
posix/sys/types.h, posix/sys/utsname.h, posix/sys/wait.h,
posix/tar.h, posix/wordexp.h, pwd/pwd.h, resource/sys/vlimit.h,
resource/sys/vtimes.h, setjmp/setjmp.h, signal/signal.h,
stdio-common/printf.h, stdlib/alloca.h, stdlib/stdlib.h,
string/string.h, sysdeps/generic/sigaction.h,
sysdeps/generic/sigset.h, sysdeps/generic/sys/ptrace.h,
sysdeps/generic/sys/ptrace.h, sysdeps/unix/bsd/osf/sigaction.h,
sysdeps/unix/sysv/linux/sys/ptrace.h,
sysdeps/unix/sysv/minix/sigaction.h,
sysdeps/unix/sysv/sco3.2.4/sigaction.h,
sysdeps/unix/sysv/sysv4/sigaction.h,
sysdeps/unix/sysv/sysv4/sigset.h, termios/termios.h,
time/sys/time.h, time/time.h: Fix copyright comment.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): If uids and gids are
not given in stack aux vector, fetch them with syscalls.
1996-04-21 02:27:19 +02:00
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unsigned int seen;
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1995-05-02 08:35:55 +02:00
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1996-06-12 03:54:21 +02:00
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user_entry = (ElfW(Addr)) &_start;
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_dl_argc = *(long *) start_argptr;
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1995-09-28 19:42:29 +01:00
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_dl_argv = (char **) start_argptr + 1;
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1995-05-02 08:35:55 +02:00
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_environ = &_dl_argv[_dl_argc + 1];
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start_argptr = (void **) _environ;
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while (*start_argptr)
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++start_argptr;
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Sat Apr 20 18:13:00 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* Makerules (no-whole-archive): Test $(have-no-whole-archive), not
$(libc_cv_ld_no_whole_archive).
Sat Apr 20 17:07:17 1996 Ulrich Drepper <drepper@cygnus.com>
* assert/assert.h, ctype/ctype.h, dirent/dirent.h, errno.h,
grp/grp.h, io/fcntl.h, io/sys/stat.h, io/utime.h, locale/locale.h,
math/math.h, misc/nlist.h, misc/sgtty.h, misc/sys/file.h,
misc/sys/ioctl.h, misc/sys/uio.h, posix/sys/times.h,
posix/sys/types.h, posix/sys/utsname.h, posix/sys/wait.h,
posix/tar.h, posix/wordexp.h, pwd/pwd.h, resource/sys/vlimit.h,
resource/sys/vtimes.h, setjmp/setjmp.h, signal/signal.h,
stdio-common/printf.h, stdlib/alloca.h, stdlib/stdlib.h,
string/string.h, sysdeps/generic/sigaction.h,
sysdeps/generic/sigset.h, sysdeps/generic/sys/ptrace.h,
sysdeps/generic/sys/ptrace.h, sysdeps/unix/bsd/osf/sigaction.h,
sysdeps/unix/sysv/linux/sys/ptrace.h,
sysdeps/unix/sysv/minix/sigaction.h,
sysdeps/unix/sysv/sco3.2.4/sigaction.h,
sysdeps/unix/sysv/sysv4/sigaction.h,
sysdeps/unix/sysv/sysv4/sigset.h, termios/termios.h,
time/sys/time.h, time/time.h: Fix copyright comment.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): If uids and gids are
not given in stack aux vector, fetch them with syscalls.
1996-04-21 02:27:19 +02:00
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seen = 0;
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#define M(type) (1 << (type))
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for (av = (void *) ++start_argptr;
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av->a_type != AT_NULL;
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seen |= M ((++av)->a_type))
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1995-05-02 08:35:55 +02:00
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switch (av->a_type)
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{
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case AT_PHDR:
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phdr = av->a_un.a_ptr;
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break;
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case AT_PHNUM:
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phnum = av->a_un.a_val;
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break;
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case AT_ENTRY:
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user_entry = av->a_un.a_val;
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Sat Sep 16 17:47:19 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* elf/elf.h (AT_GID): Fix typo: Read -> Real.
* misc/efgvt_r.c: New file. Reentrant version of [efg]cvt functions.
* misc/efgcvt.c: Rewrite to use reentrant functions.
* misc/hsearch_r.c: New file. Reentrant version of functions from
hsearch family.
* misc/hsearch.c, misc/tsearch.c: New files.
* misc/Makefile (routines): Add efgcvt_r, hsearch_r, hsearch, tsearch.
* posix/unistd.h (ttyname_r): Add prototype for new function.
* stdlib/drand48_r.c, stdlib/erand48_r.c, stdlib/jrand48_r.c,
stdlib/lrand48_r.c, stdlib/mrand48_r.c, stdlib/nrand48_r.c,
stdlib/seed48_r.c, stdlib/srand48_r.c, stdlib/lcong48_r.c,
stdlib/drand48-iter.c: New files implementing reentrant versions
of functions from drand48 family.
* stdlib/seed48.c, stdlib/drand48.c, stdlib/erand48.c,
stdlib/jrand48.c, stdlib/lrand48.c, stdlib/mrand48.c,
stdlib/nrand48.c, stdlib/srand48.c, stdlib/lcong48.c:
Rewrite to use reentrant versions.
* stdlib/a64l.c, stdlib/l64a.c: New files. Implement a64l()
and l64a() functions from SysV library.
* stdlib/Makefile (routines): Add drand48_r, erand48_r, lrand48_r,
nrand48_r, mrand48_r, jrand48_r, srand48_r, seed48_r, lcong48_r,
drand48-iter, a64l, l64a.
* stdlib/stdlib.h: Declare them.
* stdlib/random_r.c: New file. Reentrant version of functions
from random family.
* stdlib/stdlib.h: Declare them.
* stdlib/random.c: Rewrite to use reentrant functions.
* string/strerror_r.c: New file. Reentrant version.
* string/strerror.c: Change for new _strerror_internal form.
* string/Makefile (routines): Add strerror_r.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Set default
value of user_entry to `_start'.
Close AT_ENTRY case with `break'.
* sysdeps/generic/strstr.c: New and much faster implementation
by Stephen R. van den Berg.
* sysdeps/generic/_strerror.c: _strerror_internal now takes
three argument and has and explicit buffer length.
* sysdeps/mach/_strerror.c: Change for new interface with three
arguments.
* stdio/perror.c, stdio/vfprintf.c: Callers changed.
* sysdeps/mach/hurd/ttyname_r.c: New file. Reentrant version.
* sysdeps/posix/ttyname_r.c: New file. Reentrant version.
* sysdeps/stub/ttyname_r: New file. Define as dummy function.
* sysdeps/posix/utimes.c: Include <utime.h> for prototype.
(utimes): First parameter to utime must be file, not path.
* sysdeps/posix/sysconf.c (__sysconf): Test for CLK_TCK in case
_SC_CLK_TCK and return it when available.
Test for STREAM_MAX in case _SC_STREAM_MAX and return it when
available.
Add case for _SC_2_LOCALEDEF which is now available.
* posix/sys/types.h [__USE_SVID] (key_t): New type.
* sysvipc/Makefile, sysvipc/ftok.c, sysvipc/sys/ipc.h,
sysvipc/sys/msg.h, sysvipc/sys/sem.h, sysvipc/sys/shm.h,
sysdeps/stub/sys/msq_buf.h, sysdeps/stub/sys/sem_buf.h,
sysdeps/stub/sys/shm_buf.h, sysdeps/stub/sys/ipc_buf.h,
sysdeps/stub/semctl.c, sysdeps/stub/semget.c, sysdeps/stub/semop.c,
sysdeps/stub/shmat.c, sysdeps/stub/shmctl.c, sysdeps/stub/shmdt.c,
sysdeps/stub/shmget.c, sysdeps/stub/msgctl.c, sysdeps/stub/msgget.c,
sysdeps/stub/msgrcv.c, sysdeps/stub/msgsnd.c: New files.
Add implementation of System V IPC.
1995-09-17 22:23:15 +02:00
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break;
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1995-05-02 08:35:55 +02:00
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case AT_UID:
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uid = av->a_un.a_val;
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break;
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case AT_GID:
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gid = av->a_un.a_val;
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break;
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case AT_EUID:
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euid = av->a_un.a_val;
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break;
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case AT_EGID:
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egid = av->a_un.a_val;
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break;
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}
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Sat Apr 20 18:13:00 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* Makerules (no-whole-archive): Test $(have-no-whole-archive), not
$(libc_cv_ld_no_whole_archive).
Sat Apr 20 17:07:17 1996 Ulrich Drepper <drepper@cygnus.com>
* assert/assert.h, ctype/ctype.h, dirent/dirent.h, errno.h,
grp/grp.h, io/fcntl.h, io/sys/stat.h, io/utime.h, locale/locale.h,
math/math.h, misc/nlist.h, misc/sgtty.h, misc/sys/file.h,
misc/sys/ioctl.h, misc/sys/uio.h, posix/sys/times.h,
posix/sys/types.h, posix/sys/utsname.h, posix/sys/wait.h,
posix/tar.h, posix/wordexp.h, pwd/pwd.h, resource/sys/vlimit.h,
resource/sys/vtimes.h, setjmp/setjmp.h, signal/signal.h,
stdio-common/printf.h, stdlib/alloca.h, stdlib/stdlib.h,
string/string.h, sysdeps/generic/sigaction.h,
sysdeps/generic/sigset.h, sysdeps/generic/sys/ptrace.h,
sysdeps/generic/sys/ptrace.h, sysdeps/unix/bsd/osf/sigaction.h,
sysdeps/unix/sysv/linux/sys/ptrace.h,
sysdeps/unix/sysv/minix/sigaction.h,
sysdeps/unix/sysv/sco3.2.4/sigaction.h,
sysdeps/unix/sysv/sysv4/sigaction.h,
sysdeps/unix/sysv/sysv4/sigset.h, termios/termios.h,
time/sys/time.h, time/time.h: Fix copyright comment.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): If uids and gids are
not given in stack aux vector, fetch them with syscalls.
1996-04-21 02:27:19 +02:00
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/* Linux doesn't provide us with any of these values on the stack
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when the dynamic linker is run directly as a program. */
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#define SEE(UID, uid) if ((seen & M (AT_##UID)) == 0) uid = __get##uid ()
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SEE (UID, uid);
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SEE (GID, gid);
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SEE (EUID, euid);
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SEE (EGID, egid);
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1996-07-29 02:18:42 +02:00
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__libc_enable_secure = uid != euid || gid != egid;
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1995-05-02 08:35:55 +02:00
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1995-12-02 10:03:14 +01:00
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#ifdef DL_SYSDEP_INIT
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DL_SYSDEP_INIT;
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#endif
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1995-05-02 08:35:55 +02:00
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(*dl_main) (phdr, phnum, &user_entry);
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1995-09-28 19:42:29 +01:00
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return user_entry;
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1995-05-02 08:35:55 +02:00
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}
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1995-11-18 11:00:22 +01:00
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void
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_dl_sysdep_start_cleanup (void)
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{
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}
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1996-07-15 02:05:56 +02:00
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Sun Jul 14 01:51:39 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* manual/Makefile (glibc-targets): Variable and targets removed.
Sat Jul 13 23:50:17 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* manual/Makefile (lib): New phony target. Depend on stamp files.
($(objpfx)stamp%-$(subdir)): New rule to create them when necessary.
1996-07-13 Paul Eggert <eggert@twinsun.com>
* time/strftime.c (strftime): Use space padding for %e, %k, %l,
to match Emacs format-time-string specification.
(DO_NUMBER_SPACEPAD): Renamed from DO_NUMBER_NOPAD.
Sat Jul 13 20:17:38 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* elf/dl-deps.c (_dl_map_object_deps): Take new args PRELOADS and
NPRELOADS, vector of `struct link_map *'s; add them to the searchlist
between MAP and its deps.
* elf/link.h: Fix decl.
* elf/rtld.c (dl_main): If not secure, parse LD_PRELOAD for
colon-separated list of names, map those and pass vector of ptrs as
PRELOADS list to _dl_map_object_deps.
* elf/dl-runtime.c (_dl_object_relocation_scope): Pass new args to
_dl_map_object_deps with empty preload list.
* elf/dl-open.c (_dl_open): Likewise.
* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_open_zero_fill): Function
removed.
(__mmap): Pass MACH_PORT_NULL for memobj port when (flags & MAP_ANON).
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_open_zero_fill):
Conditionalize defn on [! MAP_ANON].
* elf/dl-minimal.c (malloc): Conditionalize use of _dl_zerofd
on [! MAP_ANON].
* elf/rtld.c (dl_main): Likewise.
* elf/dl-load.c (_dl_zerofd): Conditionalize defn on [! MAP_ANON].
(_dl_map_object_from_fd): Conditionalize initialization of _dl_zerofd.
* elf/dl-fini.c (_dl_fini): Skip finalizer for executable itself.
Sat Jul 13 02:47:53 1996 David Mosberger-Tang <davidm@azstarnet.com>
* stdlib/random.c (__random): Declare as int32_t to be in sync
with declaration.
* socket/Makefile (headers): Add socketbits.h.
* misc/mntent.c (endmntent): Allow for NULL stream. SunOS does
it that way.
* grp/initgroups.c (initgroups): Add groups that user is a member
of, not the ones he is _not_ a member of.
* nss/nsswitch.c (known_compare): Make known_compare() a static
instead of a local function. The latter are difficult to debug
and slow to execute on certain platforms.
* sysdeps/posix/ttyname_r.c (ttyname_r): Use sizeof (dev) - 1 in
place of sizeof (dev). The size of a literal string includes the
NUL byte.
* sysdeps/unix/getlogin.c (getlogin): Initialize ut_fd with -1.
Thu Jul 11 16:59:10 1996 David Mosberger-Tang <davidm@azstarnet.com>
* misc/mntent.c (addmntent): Seek to end of file before writing
entry. Return 1 on error, not -1.
Tue Jul 9 19:08:05 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/syscalls.list: Mark bdflush as EXTRA
syscall.
Fri Jul 5 18:44:55 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/ioperm.c (port_to_cpu_addr): Size
shift amount for Jensen must be 5 not 4.
Sat Jul 13 20:04:28 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* socket/sys/socket.h (struct osockaddr): New type.
Sat Jul 13 03:50:53 1996 Ulrich Drepper <drepper@cygnus.com>
* misc/Makefile (routines): Add qefgcvt and qefgcvt_r.
* misc/efgcvt.c, misc/efgcvt_r.c: Change code so that the `double'
and `long double' versions can be generated.
* misc/qefgcvt.c, misc/qefgcvt_r.c: New files. Define macros
so that included efgcvt{,_r}.c file generate `long double'
versions.
* stdlib/stdlib.h: Add prototypes for q[efg]cvt() and q[ef]cvt_r()
functions.
* manual/startup.texi: Document new getsubopt function.
* manual/examples/subopt.c: New example program for documenting
getsubopt function.
Fri Jul 12 23:58:37 1996 Ulrich Drepper <drepper@cygnus.com>
* stdlib/Makefile (routines): Add getsubopt.
* stdlib/stdlib.h: Add prototype for getsubopt.
* stdlib/getsubopt.c: New file. Implement getsubopt function
to handle suboption parsing.
1996-07-14 08:04:09 +02:00
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#ifndef MAP_ANON
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/* This is only needed if the system doesn't support MAP_ANON. */
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1995-05-02 08:35:55 +02:00
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int
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_dl_sysdep_open_zero_fill (void)
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{
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1996-06-10 11:41:16 +02:00
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return __open ("/dev/zero", O_RDONLY);
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1995-05-02 08:35:55 +02:00
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}
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Sun Jul 14 01:51:39 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* manual/Makefile (glibc-targets): Variable and targets removed.
Sat Jul 13 23:50:17 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* manual/Makefile (lib): New phony target. Depend on stamp files.
($(objpfx)stamp%-$(subdir)): New rule to create them when necessary.
1996-07-13 Paul Eggert <eggert@twinsun.com>
* time/strftime.c (strftime): Use space padding for %e, %k, %l,
to match Emacs format-time-string specification.
(DO_NUMBER_SPACEPAD): Renamed from DO_NUMBER_NOPAD.
Sat Jul 13 20:17:38 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* elf/dl-deps.c (_dl_map_object_deps): Take new args PRELOADS and
NPRELOADS, vector of `struct link_map *'s; add them to the searchlist
between MAP and its deps.
* elf/link.h: Fix decl.
* elf/rtld.c (dl_main): If not secure, parse LD_PRELOAD for
colon-separated list of names, map those and pass vector of ptrs as
PRELOADS list to _dl_map_object_deps.
* elf/dl-runtime.c (_dl_object_relocation_scope): Pass new args to
_dl_map_object_deps with empty preload list.
* elf/dl-open.c (_dl_open): Likewise.
* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_open_zero_fill): Function
removed.
(__mmap): Pass MACH_PORT_NULL for memobj port when (flags & MAP_ANON).
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_open_zero_fill):
Conditionalize defn on [! MAP_ANON].
* elf/dl-minimal.c (malloc): Conditionalize use of _dl_zerofd
on [! MAP_ANON].
* elf/rtld.c (dl_main): Likewise.
* elf/dl-load.c (_dl_zerofd): Conditionalize defn on [! MAP_ANON].
(_dl_map_object_from_fd): Conditionalize initialization of _dl_zerofd.
* elf/dl-fini.c (_dl_fini): Skip finalizer for executable itself.
Sat Jul 13 02:47:53 1996 David Mosberger-Tang <davidm@azstarnet.com>
* stdlib/random.c (__random): Declare as int32_t to be in sync
with declaration.
* socket/Makefile (headers): Add socketbits.h.
* misc/mntent.c (endmntent): Allow for NULL stream. SunOS does
it that way.
* grp/initgroups.c (initgroups): Add groups that user is a member
of, not the ones he is _not_ a member of.
* nss/nsswitch.c (known_compare): Make known_compare() a static
instead of a local function. The latter are difficult to debug
and slow to execute on certain platforms.
* sysdeps/posix/ttyname_r.c (ttyname_r): Use sizeof (dev) - 1 in
place of sizeof (dev). The size of a literal string includes the
NUL byte.
* sysdeps/unix/getlogin.c (getlogin): Initialize ut_fd with -1.
Thu Jul 11 16:59:10 1996 David Mosberger-Tang <davidm@azstarnet.com>
* misc/mntent.c (addmntent): Seek to end of file before writing
entry. Return 1 on error, not -1.
Tue Jul 9 19:08:05 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/syscalls.list: Mark bdflush as EXTRA
syscall.
Fri Jul 5 18:44:55 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/ioperm.c (port_to_cpu_addr): Size
shift amount for Jensen must be 5 not 4.
Sat Jul 13 20:04:28 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* socket/sys/socket.h (struct osockaddr): New type.
Sat Jul 13 03:50:53 1996 Ulrich Drepper <drepper@cygnus.com>
* misc/Makefile (routines): Add qefgcvt and qefgcvt_r.
* misc/efgcvt.c, misc/efgcvt_r.c: Change code so that the `double'
and `long double' versions can be generated.
* misc/qefgcvt.c, misc/qefgcvt_r.c: New files. Define macros
so that included efgcvt{,_r}.c file generate `long double'
versions.
* stdlib/stdlib.h: Add prototypes for q[efg]cvt() and q[ef]cvt_r()
functions.
* manual/startup.texi: Document new getsubopt function.
* manual/examples/subopt.c: New example program for documenting
getsubopt function.
Fri Jul 12 23:58:37 1996 Ulrich Drepper <drepper@cygnus.com>
* stdlib/Makefile (routines): Add getsubopt.
* stdlib/stdlib.h: Add prototype for getsubopt.
* stdlib/getsubopt.c: New file. Implement getsubopt function
to handle suboption parsing.
1996-07-14 08:04:09 +02:00
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#endif
|
1995-05-02 08:35:55 +02:00
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1996-07-15 02:05:56 +02:00
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/* Read the whole contents of FILE into new mmap'd space with given
|
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protections. *SIZEP gets the size of the file. */
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void *
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_dl_sysdep_read_whole_file (const char *file, size_t *sizep, int prot)
|
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{
|
1996-07-16 08:38:54 +02:00
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void *result;
|
1996-07-15 02:05:56 +02:00
|
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struct stat st;
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int fd = __open (file, O_RDONLY);
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if (fd < 0)
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return NULL;
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if (__fstat (fd, &st) < 0)
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result = NULL;
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else
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{
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/* Map a copy of the file contents. */
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result = __mmap (0, st.st_size, prot,
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#ifdef MAP_COPY
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MAP_COPY
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#else
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MAP_PRIVATE
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#endif
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#ifdef MAP_FILE
|
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| MAP_FILE
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#endif
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, fd, 0);
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if (result == (void *) -1)
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result = NULL;
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else
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*sizep = st.st_size;
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}
|
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__close (fd);
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return result;
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}
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|
1995-05-02 08:35:55 +02:00
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void
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_dl_sysdep_fatal (const char *msg, ...)
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{
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va_list ap;
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va_start (ap, msg);
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do
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{
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size_t len = strlen (msg);
|
1996-06-10 11:41:16 +02:00
|
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__write (STDERR_FILENO, msg, len);
|
1995-05-02 08:35:55 +02:00
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msg = va_arg (ap, const char *);
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} while (msg);
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va_end (ap);
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_exit (127);
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}
|
1995-10-05 10:00:06 +01:00
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void
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_dl_sysdep_message (const char *msg, ...)
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{
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va_list ap;
|
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va_start (ap, msg);
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do
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{
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size_t len = strlen (msg);
|
1996-06-10 11:41:16 +02:00
|
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__write (STDOUT_FILENO, msg, len);
|
1995-10-05 10:00:06 +01:00
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msg = va_arg (ap, const char *);
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} while (msg);
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va_end (ap);
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}
|