* libc-symbols.h (link_warning): Take new first arg SYMBOL; ask
for a warning on references to that specific symbol, not the
entire containing object file.
(stub_warning): Pass symbol name to link_warning.
* stdio/gets.c: Pass function name in link_warning invocation.
* hurd/intr-msg.c: Treat apparent EINTR return from msg trap like
MACH_SEND_INTERRUPTED. That indicates interrupt_operation was
sent, but failed.
* stdlib/msort.c: Include memcopy.h.
(msort_with_tmp): If operating on aligned op_t words, use direct word
fetches and stores.
* sysdeps/i386/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC): Add
missing backslash.
Thu Aug 31 13:23:35 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/unix/i386/brk.S [PIC]: Set __curbrk through the GOT.
Rewrote i386 setjmp code in assembly, so as to avoid fighting
with the compiler for the register values.
* sysdeps/i386/setjmp.S, sysdeps/i386/__longjmp.S: New files.
* sysdeps/i386/setjmp.c, sysdeps/i386/__longjmp.c: Files removed.
* sysdeps/i386/jmp_buf.h [! _ASM] (__jmp_buf): Define as array of ints.
[__USE_MISC || _ASM] (JB_*): New macros, for indices therein.
(_JMPBUF_UNWINDS): Use JB_SP.
* sysdeps/mach/hurd/select.c: Deal with out of order replies
during io_select request loop.
Handle MACH_RCV_TIMED_OUT error from requests.
* hurd/intr-msg.c: If the user passed the MACH_RCV_TIMEOUT option,
distinguish MACH_RCV_TIMED_OUT from EINTR.
* posix/glob.c (glob): Use realloc to extend strings for GLOB_MARK
slash.
(glob_in_dir): Don't allocate extra byte here.
* sysdeps/i386/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC):
Decrement the DT_RELSZ value for the skipped reloc.
* sysdeps/mach/hurd/mmap.c: Fix inverted test of MAP_FIXED.
* stdio/vfscanf.c (number): Allow field width to inhibit first
digit after base detection.
* stdio/vfprintf.c (vfprintf: %s): Never search past the limit
specified by the precision.
* grp/grpread.c (__grpscan): New function.
* grp/grp.h (__grpscan): Declare it.
* grp/getgrgid.c: Use __grpscan.
* grp/getgrnam.c: Likewise.
* pwd/pwdread.c (__pwdscan): New function.
* pwd/pwd.h (__pwdscan): Declare it.
* pwd/getpwnam.c: Use __pwdscan.
* pwd/getpwuid.c: Likewise.
Thu Aug 24 16:29:40 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/mach/hurd/mmap.c: Treat (FLAGS & MAP_TYPE) == 0 like
MAP_FILE.
* hurd/thread-cancel.c: Return EINTR when called on self.
* sysdeps/i386/elf/start.S (data_start): Define as weak alias for
__data_start.
* inet/netdb.h: Moved to resolv.
* inet/Makefile (headers): Remove netdb.h.
* resolv/Makefile (headers): Add netdb.h.
* resolv/gethnamaddr.c, resolv/inet_addr.c, resolv/netdb.h,
resolv/res_send.c: Updated from BIND-4.9.3-BETA26.
* hurd/thread-cancel.c: If SS->cancel_hook is not null, call it before
resuming the thread.
* hurd/hurd/signal.h (struct hurd_sigstate): New member `cancel_hook'.
* hurd/Makefile: Removed dep on hurd/signal.h for RPC stub objects.
Mon Aug 21 16:37:09 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/i386/dl-machine.h (elf_machine_rel): Grok R_386_NONE
relocs, and do nothing. Why the linker generates them we may
never know.
* sysdeps/mach/hurd/i386/intr-msg.h: New file.
* hurd/intr-msg.c: Use INTR_MSG_TRAP macro from machine-dependent
"intr-msg.h" for special syscall code, instead of i386-specific asm.
* hurd/hurdsig.c: Use INTR_MSG_BACK_OUT macro from
machine-dependent "intr-msg.h" before mutating thread state to
skip RPC.
* sysdeps/mach/hurd/i386/trampoline.c: If PC is inside
_hurd_intr_rpc_mach_msg special syscall code, use real SP saved in
%ecx.
* Makeconfig (link-libc): New variable; use shared library if
available.
(+link): Use it.
* sysdeps/mach/hurd/fork.c (_hurd_fork_locks): Variable removed.
Instead, declare with `symbol_set_declare'.
(fork): Use symbol_set_* macros for _hurd_fork_locks.
Use SS->thread instead of __mach_thread_self (). Suspend all
other threads during task_create and port copying.
* hurd/thread-cancel.c: New file.
* sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler): In
rpc_wait case, frob mach_msg args to set timeout on receive.
(_hurdsig_rcv_interrupted_p): Function removed.
* sysdeps/mach/hurd/alpha/trampoline.c: Likewise.
* sysdeps/mach/hurd/hppa/trampoline.c: Likewise.
* sysdeps/mach/hurd/mips/trampoline.c: Likewise.
* hurd/intr-msg.c: New file.
* hurd/hurd/signal.h (struct hurd_sigstate): New member `cancel'.
(_hurdsig_rcv_interrupted_p): Declaration removed.
(HURD_EINTR_RPC): Macro removed.
(_hurd_longjmp_thread_state, _hurd_interrupted_rpc_timeout): Declare
these.
* hurd/intr-rpc.h: New file.
* hurd/intr-rpc.defs: Just import intr-rpc.h.
* hurd/hurdsig.c (_hurd_interrupted_rpc_timeout): New variable.
(interrupted_reply_port_location): Take new flag arg; only catch
faults if it's set.
(abort_rpcs): Rename to _hurdsig_abort_rpcs; take same new flag arg.
No longer use _hurdsig_rcv_interrupted_p; instead compare PC to
&_hurd_intr_rpc_msg_in_trap. If before it, mutate state to simulate
MACH_SEND_INTERRUPTED return; on it, interrupt the operation. All
callers changed.
* hurd/hurd.h (hurd_thread_cancel, hurd_check_cancel): Declare these.
* hurd/Makefile (distribute): Remove intr-rpc.awk.
(sig): Add thread-cancel.
(transform-user-stub, transform-user-stub-output): Variables removed.
* sysdeps/mach/hurd/dl-sysdep.c: Change all RPCs from
`__hurd_intr_rpc_*' to `__*'.
(_hurd_intr_rpc_mach_msg): New function.
(_hurd_thread_sigstate): Function removed.
* sysdeps/mach/hurd/ioctl.c: Use _hurd_intr_rpc_mach_msg function,
instead of __mach_msg inside HURD_EINTR_RPC macro.
* sysdeps/generic/morecore.c [__GNU_LIBRARY__]: Declare `__sbrk'
to take ptrdiff_t arg.
* sysdeps/mach/hurd/fork.c: Remove _hurd_longjmp_thread_state decl.
* sysdeps/mach/hurd/kill.c (kill_pid): Don't make `inline'.
* libc-symbols.h [GCC >= 2.7] (strong_alias, weak_symbol,
weak_alias): Use `extern' storage class.
* sysdeps/generic/sysd-stdio.c (__stdio_reopen): Return failure
when __stdio_open fails with a code other than ENFILE or EMFILE.
* csu/initfini.c (SECTION): New macro, different definitions for
#ifdef HAVE_ELF and not.
(_init, _fini): Use that macro.
* config.make.in (have-initfini): New variable, set by configure.
* conf/portability.h (NEED_INETADDR, NEED_INETATON): New macros.
[$(have-initfini)=yes]: Test this rather than $(elf) for crtstuff.
[start-installed-name-rule]: If this is defined, elide rule for
$(objpfx)$(start-installed-name).
* sysdeps/unix/sysv/sco3.2.4/Makefile [$(subdir)=csu]
(start-installed-rule, start-installed-name-rule): New variables;
specify crt1.o, created by our own rule.
($(objpfx)crt1.o): New rule.
* configure.in: Require autoconf 2.4.2 or later. Change all
AC_CACHE_VAL uses to use new AC_CACHE_CHECK macro instead;
prettify some messages.
[$elf!=yes] (libc_cv_have_initfini): New test for `.init' and `.fini'
sections.
* munch-tmpl.c [HAVE_INITFINI]: Call _init and atexit (_fini) in
this case rather than #ifdef HAVE_ELF.
* config.h.in (HAVE_INITFINI): New macro.
* sysdeps/unix/sysv/ftime.S: New file.
* locale/locfile-parse.c (categories_write): Cast "" to char *.
* io/fcntl.h [__OPTIMIZE__] (creat): Macro removed.
* time/strftime.c: Use year modulo 100 for %y.
* time/sys/timeb.h: Add __BEGIN_DECLS and __END_DECLS.
* sysdeps/unix/snarf-ioctls (snarfexclude): Use two sed's instead
of one, to work around bug in sunos4.1.2 sed.
* sysdeps/unix/i386/sysdep.h (JUMPTARGET): Use ## to avoid space
before @PLT.
* sysdeps/mach/i386/sysdep.h (JUMPTARGET): New macro.
* sysdeps/i386/bsd-_setjmp.S: Use JUMPTARGET macro in jmp insn.
* sysdeps/i386/bsd-setjmp.S: Likewise.
* 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 $base_os,
instead of unix/sysv.
* sysdeps/posix/utimes.c: New file.
* sysdeps/generic/getdomain.c: New file.
* sysdeps/i386/init-first.c: Removed gratuitous #include <hurd.h>.
* sysdeps/generic/dl-sysdep.c: Include <unistd.h> and declare
externals _dl_argc, _dl_argc, and _environ.
* sysdeps/unix/sysv/linux/{accept,connect,getsockname,rename,
socketpair,waitpid,bind,getpeername,listen,setsid,wait4}.S: Moved
to new directory sysdeps/unix/sysv/sysv4/linux.
* sysdeps/unix/sysv/linux: Directory removed.
* sysdeps/unix/sysv/i386/linux/{socket.S,sysdep.h,sysdep.S}: Moved
to new directory sysdeps/unix/sysv/sysv4/linux/i386.
* sysdeps/unix/sysv/linux/i386: Directory removed.
Fri Jul 21 12:57:29 1995 Michael I Bushnell <mib@geech.gnu.ai.mit.edu>
* sysdeps/mach/hurd/socket.c (socket): Consider MIG_BAD_ID and
EOPNOTSUPP as indications that the server has died.
* sysdeps/mach/hurd/pipe.c (__pipe): Likewise.
* sysdeps/mach/hurd/socketpair.c (socketpair): Likewise.
* sysdeps/mach/hurd/i386/init-first.c (init): Take just one arg,
DATA for the entry SP; DATA[-1] is always the return address
location. In both cthreads and non-cthreads cases, use asm to
force parameters into %eax and %ecx before return, and mutate
DATA[-1] to return to specific asm code to set up the user from
%eax and %ecx.
[PIC] (_init): Caller changed.
(__libc_init_first) [! PIC] (doinit): Use asm to effect call to init
with SP unwound to argument data ptr.
Thu Jul 6 14:28:56 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/mach/hurd/dl-sysdep.c (fmh): Fixed this kludge to work
when 0x08000000 and up are not mapped.
* Makerules (stamp$o-$(subdir) rule): Remove the timestamp file
before touching it.
(lib%.so): Use -Wl to get -soname to ld.
* elf/dlsym.c: Pass final arg to _dl_lookup_symbol.
* elf/Makefile (libdl.so): Pass $(LDFLAGS.so).
* Makerules (lib%.so: lib%_pic.a): Moved this rule to after
installation rules.
* sysdeps/mach/sysdep.h [HAVE_ELF] (ENTRY): Redefine this macro so
it uses the `.type' directive, which is necessary for shared
libraries to work properly.
from zero fill.
* elf/dl-lookup.c (_dl_lookup_symbol): Take new flag arg NOSELF;
if nonzero, don't let *REF satisfy the reference itself.
* elf/link.h (_dl_lookup_symbol): Add new arg NOSELF in decl.
* sysdeps/i386/dl-runtime.c (_dl_runtime_resolve): Pass new arg to
_dl_lookup_symbol.
* elf/do-rel.h (elf_dynamic_do_rel): Pass new second arg of
R->r_offset to RESOLVE callback.
* elf/dl-reloc.c (_dl_relocate_object: resolve): Don't let *REF
satisfy the reference itself if its value equals the reloc's
offset.
* elf/rtld.c (dl_main): Write a newline in fatal msg.
* Makerules (lib%.so: lib%_pic.a): Pass $(LDFLAGS.so).
* elf/rtld.c [! NDEBUG] (__assert_perror_fail): New function.
* hurd/hurdstartup.c (_hurd_startup): Fancier kludge to guess phdr
and user entry point addresses.
* elf/dl-load.c (open_path): Don't do strlen on DIRPATH if it's null.
(_dl_map_object): DT_RPATH value is relative to DT_STRTAB value.
* Makerules (install-lib.so): Don't include libc.so.
[$(build-shared)=yes] (install): Depend on the installed libc.so file.
[$(build-shared)=yes] (install-no-libc.a): Make this, rather than
install, depend on the installed $(install-lib.so) files.
[$(build-shared)=yes] (install-lib.so): Append libc.so after that rule.
* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): Add kludge to
allocate high addresses to avoid random mappings appearing there.
(mmap): Comment out mask; always pass zero.
Tue Jun 6 13:34:53 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/i386/dl-machine.h (ELF_MACHINE_USER_ADDRESS_MASK): New macro.
* sysdeps/mach/hurd/dl-sysdep.c (mmap): Use it as mask in vm_map call.
* elf/dl-error.c (_dl_catch_error): Clear *ERRSTRING and *OBJNAME
when successful.
* sysdeps/mach/hurd/dl-sysdep.c (threadvars): New static variable.
(__hurd_threadvar_max, __hurd_threadvar_stack_offset): Define these
variables, using the `threadvars' buffer.
* elf/dl-reloc.c: Don't dereference L->l_prev when it's null.
* sysdeps/i386/dl-runtime.c: Likewise.
* elf/rtld.c (dl_main): Add missing NULL terminating argument in
_dl_sysdep_fatal call.
(__assert_fail): Likewise.
* locale/Makefile (localedef-modules): Renamed ctype to
locale-ctype so as not to conflict with the object file for
ctype/ctype.c in the build directory.
* sysdeps/i386/dl-machine.h (elf_machine_rel): If MAP->l_type is
lt_interpreter, first undo relocation done during bootstrapping.
* mach/Makefile (server-interfaces): Removed notify and
device_reply. For shlibs with eager binding, libmachuser.so must
not refer to any functions not defined in libc.
* hurd/hurdsig.c (_hurd_internal_post_signal): Don't loop to check
pending signals if the thread is in a critical section. It will
send us a msg when it finishes.
* sysdeps/mach/hurd/pathconf.c: New file.
* sysdeps/mach/hurd/fpathconf.c: New file.
* sysdeps/mach/hurd/sigaction.c: Only notify the proc server for
SIGCHLD when the SA_NOCLDSTOP bit actually changes.
* sysdeps/mach/hurd/i386/init-first.c: In cthreads case, handle
args on stack from kernel.
* posix/Makefile, sysdeps/alpha/Makefile,
* sysdeps/mach/hurd/Makefile, sysdeps/sparc/Makefile, Makefile,
* Makerules, Make-dist: Fix "cvs commit" cmds in rules to not fail
in the absence of CVS dirs.
* hurd/hurdstartup.c: Don't call __mach_init. Grok args from the
kernel on the stack properly.
* set-init.c: Never call _init/_fini; just run __libc_subinit.
* Makerules (LDFLAGS-c.so): Add -nostartfiles.
* mach/Machrules (LDFLAGS-$(interface.so)): Likewise.
* configure.in: Move defaulting of --with-elf and --with-gnu-*
based on host os outside the AC_CACHE_VAL for the sysdirs
calculation.
* Makeconfig (localedir, nlsdir): New variables.
* values.h: New file.
* Makefile (headers): Add values.h.
* locale/Makefile (distribute): Add error.h.
* locale/localedef.c: Include "error.h".
(main): Use error_message_count instead of warning_cntr.
* sysdeps/mach/i386/sysdep.h (RETURN_TO): New macro.
* Makerules (install-lib.so): Add %.so for each %_pic.a.
* sysdeps/mach/hurd/i386/init-first.c: New file.
* Makeconfig (+gccwarn): Add -Winline.
* hurd/hurdsig.c (_hurd_internal_post_signal): If SS->context is
set, avoid abort_rpcs, and use reply and intr ports saved in
SS->context.
* sysdeps/mach/hurd/i386/trampoline.c: Don't set SS->intr_port
from SS->context. Don't clear SS->context.
* sysdeps/mach/hurd/i386/sigreturn.c: Don't set SS->intr_port when
setting SS->context. If msg_sig_post returns, re-lock and clear
SS->context.
Fri May 5 10:37:09 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* mach/Makefile (errsystems.c): Comment out generation rule.
* sysdeps/mach/_strerror.c: Consider a system unknown if its
bad_sub member is null.
* mach/mig-alloc.c: Add weak alias to non-__ name.
* sysdeps/mach/hurd/dup2.c: Fixed broken test in last change.
* elf/dl-error.c (_dl_catch_error): Actually call the OPERATE
function. Duh.
* hurd/Makefile (distribute): Added hurdstartup.h.
* hurd/hurd.h: Remove _hurd_startup decl.
* hurd/hurd/ioctl.h (_HURD_HANDLE_IOCTLS): Use __attribute__
((__unused__)) instead of gratuitous self reference.
* sysdeps/mach/hurd/dup2.c: Call _hurd_alloc_fd to expand the
table if FD2 doesn't fit.
* sysdeps/mach/hurd/getdtsz.c: Return the RLIM_NOFILE soft limit,
not the current table size.
* sysdeps/i386/init-first.c: New file.
* sysdeps/stub/init-first.c: New file.
* 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.
Implemented runtime dynamic linker to support ELF shared libraries.
* elf/Makefile: Added rules to make ld.so and libdl.
* elf/dl-error.c: New file.
* elf/dl-fini.c: New file.
* elf/dl-init.c: New file.
* elf/dl-load.c: New file.
* elf/dl-lookup.c: New file.
* elf/dl-object.c: New file.
* elf/dl-reloc.c: New file.
* elf/dlclose.c: New file.
* elf/dlerror.c: New file.
* elf/dlopen.c: New file.
* elf/dlsym.c: New file.
* elf/dynamic-link.h: New file.
* elf/link.h: New file.
* elf/rtld.c: New file.
Mon May 1 18:48:30 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* Makerules (LDFLAGS-c.so): Add -interp and -e switches to make
libc.so runnable.
* version.c (__libc_print_version): Add "et al" and missing NL to
author credit.
