* malloc/malloc.h: Declare malloc_object_allocated_size, malloc_walk.
* malloc/Makefile (dist-routines): Add malloc-size, malloc-walk.
* malloc/malloc-size.c: New file.
* malloc/malloc-walk.c: New file.
* malloc/malloc-find.c (malloc_find_object_address): Return null if
PTR is outside the heap.
* elf/dl-load.c (_dl_map_object): If the requested name matches the
soname of a loaded object, use that object.
Mon Jun 24 19:57:01 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* Makefile (subdirs): Add nss.
* inet/Makefile (routines): Add getrpcent, getrpcbyname,
getrpcbynumber, getrpcent_r, getrpcbyname_r, getrpcbynumber_r.
* inet/getrpcbynumber_r.c: New file.
* inet/getrpcbynumber.c: New file.
* inet/getrpcbyname.c: New file.
* inet/getrpcbyname_r.c: New file.
* inet/getrpcent_r.c: New file.
* inet/getrpcent.c: New file.
* nss/rpc-lookup.c: New file.
* nss/nss_files/files-rpc.c: New file.
* nss/Makefile (routines): Add rpc-lookup.
(libnss_files-routines): Add files-rpc.
* sunrpc/Makefile (routines): Remove getrpcent.
* sunrpc/getrpcent.c: File removed.
* nss/getXXent_r.c (REENTRANT_GETNAME): Clear NO_MORE when NIP is
non-null on entry.
* Makeconfig (rpath-link): Add $(nssobjdir).
(nssobjdir): New variable.
* Makerules: Move shared library building before objects rules, so
versions are known before extra-lib.mk gets included.
* extra-lib.mk (lib-noranlib): Depend on the shared object too.
* pwd/getpwuid.c: Rewritten using nss.
* pwd/getpwnam.c: Likewise.
* pwd/getpwent.c: Likewise.
* grp/getgrnam.c: Likewise.
* grp/getgrgid.c: Likewise.
* grp/getgrent.c: Likewise.
* pwd/Makefile (routines): Add getpwent_r, getpwnam_r, getpwuid_r.
* pwd/getpwent_r.c: New file.
* pwd/getpwnam_r.c: New file.
* pwd/getpwuid_r.c: New file.
* grp/Makefile (routines): Add getgrent_r, getgrgid_r, getgrnam_r.
* grp/getgrnam_r.c: New file.
* grp/getgrgid_r.c: New file.
* grp/getgrent_r.c: New file.
* grp/Makefile (routines): Remove grpopen, grpread.
* pwd/Makefile (routines): Remove pwdopen, pwdread.
* grp/grpopen.c, grp/grpread.c, pwd/pwdopen.c, pwd/pwdread.c: Removed.
* pwd/fgetpwent.c: Rewritten using files-parse.c.
* grp/fgetgrent.c: Likewise.
* nss/Makefile (routines): Add grp-lookup and pwd-lookup.
* nss/pwd-lookup.c, nss/grp-lookup.c: New files.
* nss/nss_files/files-grp.c: New file.
* nss/nss_files/files-pwd.c: New file.
* nss/Makefile (subdir-dirs): New variable; use it in vpath.
* nss/nss_files/files-parse.c: New file.
* nss/nss_files/files-XXX.c: New file.
* nss/nss_files/files-hosts.c, nss/nss_files/files-proto.c,
nss/nss_files/files-service.c, nss/nss_files/files-network.c:
Rewritten using them.
* nss/Makefile (libnss_files-routines): Remove files-host.
Add files-hosts, files-grp, files-pwd.
* nss/nss_dns/dns-network.c: Don't include <pthread.h>.
Mon Jun 24 22:39:12 1996 Richard Henderson <rth@tamu.edu>
* sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
A .plt entry now loads the .rela.plt offset directly rather
than making us calculate it.
Sun Jun 23 15:24:05 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* time/Makefile ($(installed-localtime-file) rule): Do
$(make-target-directory) first.
* resolv.h: Fix wrapper for resolv/resolv.h.
* configure.in (ld --no-whole-archive check): Use AC_TRY_COMMAND.
Compile dummy file and pass -nostdlib -nostartfiles so as not to
require installed libraries.
* shlib-versions (*-*-*): Set libresolv=2, libnss_files=1,
libnss_dns=1.
Sun Jun 23 19:42:05 1996 Ulrich Drepper <drepper@cygnus.com>
* resolv/netdb.h (_PATH_NSSWITCH_CONF): New macro.
* inet/herrno.c: New file.
* resolv/res_init.c: Remove res_hconf calls.
* nss/Makefile, nss/XXX-lookup.c, nss/file-lookup.c,
nss/getXXbyYY.c, nss/getXXbyYY_r.c, nss/getXXent.c,
nss/getXXent_r.c, nss/host-lookup.c, nss/network-lookup.c,
nss/nsswitch.c, nss/nsswitch.h, nss/proto-lookup.c,
nss/service-lookup.c: New files. Implementation of name
service switch, following the approach in Solaris.
Interface specification and general structure inspired by Peter
Eriksson <pen@lysator.liu.se>.
* nss/nss_files/files-host.c, nss/nss_files/files-network.c,
nss/nss_files/files-proto.c, nss/nss_files/files-service.c:
Implementation of libnss_files.so module for file based databases
in NSS service.
* nss/nss_dns/dns-host.c, nss/nss_dns/dns-network.c: Implementation
if libnss_dns.so module for DNS name lookup in NSS service.
* inet/getproto.c, inet/getprtent.c, inet/getprtname.c,
inet/getservent.c, inet/getsrvbynm.c, inet/getsrvbypt.c:
Changed to serve as interface to NSS.
* inet/gethstbyad.c, inet/gethstbyad_r.c, inet/gethstbynm.c,
inet/gethstbynm2.c, inet/gethstbynm2_r.c, inet/gethstbynm_r.c,
inet/gethstent.c, inet/gethstent_r.c, inet/getnetbynm.c,
inet/getnetbynm_r.c, inet/getnetbypt.c, inet/getnetbypt_r.c,
inet/getnetent.c, inet/getnetent_r.c, inet/getproto_r.c,
inet/getprtent_r.c, inet/getprtname_r.c, inet/getservent_r.c,
inet/getsrvbynm_r.c, inet/getsrvbypt_r.c: New files. Implement
interfaces to NSS, including reentrant functions.
* resolv/getnetbyaddr.c, resolv/getnetbyname.c, resolv/getnetent.c,
resolv/sethostent.c: Removed: Obsoleted by NSS.
* resolv/mapv4v6addr.h, resolv/mapv4v6hostent.h: Extracted from
gethnamaddr.c. These private functions are now used in more
than one file.
* resolv/inet_pton.c, resolv/gethnamaddr.c: Updated to bind-4.9.4-T5B.
Sat Jun 22 16:49:47 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* rpm/Makefile ($(config)): Make sure the word list in the for
loop is syntactically non-empty.
* Version 1.92 test release.
Sat Jun 22 23:30:07 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/syscalls.list (ksyslog_ctl): Rename
to klogctl to match prototype in sys/klog.h.
* sysdeps/posix/libc_fatal.c: Add include of <string.h>.
* sysdeps/unix/sysv/linux/gethostid.c: Ditto.
* sysdeps/posix/getcwd.c (__canonicalize_directory_name_internal):
Remove. Code is now part of __getcwd again. The old function
never really worked for anything but THISDIR==".".
* sysdeps/alpha/Makefile (CFLAGS-rtld.c): Add -mbuild-constants
only when building ELF version of library.
* libio/libioP.h (_IO_vscanf): Add prototype.
* posix/unistd.h (syscall): Change sysno arg and return value
to int long.
* version.h (VERSION): Updated to 1.92.
* sysdeps/sparc/dl-machine.h: New file.
* posix/fnmatch.c (fnmatch): Fix \*[*?]+ case to increment name ptr
only for ?s, not for *s. Fix from Chet Ramey.
Fixes thanks to Raja R Harinath <harinath@cs.umn.edu>:
* sysdeps/unix/sysv/utmpbits.h: Define _HAVE_UT_{TYPE,ID,TV,HOST}.
Use __{BEGIN,END}_DECLS.
(_PATH_WTMP, _PATH_UTMP, _PATH_LASTLOG): New macros.
* login/utmp.h (UTMP_FILE, UTMP_FILENAME, WTMP_FILE, WTMP_FILENAME):
New macros, moved here from sysdeps/gnu/utmpbits.h.
* sysdeps/generic/utmpbits.h (_HAVE_UT_HOST): Define it.
* sysdeps/gnu/utmpbits.h (_HAVE_UT_HOST): Likewise.
* login/logout.c: Use ut_host only #if _HAVE_UT_HOST.
Use sizeof instead of UT_*SIZE.
* login/logwtmp.c: Likewise.
* misc/tsearch.c (tdelete): Define as weak alias to __tdelete.
* version.c (banner): Add trailing newline.
* sysdeps/alpha/dl-machine.h (elf_alpha_fix_plt):
Changed to a 12-byte PLT entry to remove dependency on $gp.
Take a new got_addr parameter.
(elf_machine_rela): Pass the new parameter.
(ELF_MACHINE_RUNTIME_TRAMPOLINE): Do arithmetic for 12-byte PLT.
(RTLD_START): Do normal linkage with program entry.
* sysdeps/generic/memcmp.c: Add prototype decls for internal fns.
* locale/programs/locale.c: Include string.h.
* sunrpc/xdr_stdio.c (xdrstdio_getlong), sunrpc/xdr_rec.c
(xdrrec_getlong), sunrpc/xdr_mem.c (xdrmem_getlong): Make sure
appropriate sign-extension is performed on machines with
sizeof(long) > 4.
* sunrpc/xdr.c (xdr_int, xdr_u_int): If sizeof(long)==8 and
sizeof(int)<sizeof(long), we need to go through a temporary
variable.
* locale/programs/ld-numeric.c: Include <alloca.h>
* libio/stdio.h (__libc_fatal): Add prototype.
* libio/cleanup.c: Use __P() to declare prototype when __STDC__ is
in efect.
* libio/iopopen.c (read_or_write, parent_end, child_end): Declare
volatile to avoid "might get clobbered by longjmp" warning.
* features.h (__KERNEL_STRICT_NAMES): Define __KERNEL_STRICT_NAMES
unless _LOOSE_KERNEL_NAMES is in effect (which, with high
probability is a sure loser).
* sysdeps/unix/sysv/linux/gnu/types.h (__KERNEL_STRICT_NAMES): Remove.
* sysdeps/unix/bsd/osf/alpha/start.S (errno): Removed.
* sysdeps/unix/sysv/linux/alpha/start.S: Ditto.
* misc/paths.h (_PATH_MAN): Change from /usr/share/man to /usr/man
to be Linux FSSTND compliant.
Mon Jun 10 17:50:31 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/pipe.S: Use PSEUDO.
* sysdeps/unix/sysv/linux/alpha/sysdep.S,
sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/llseek.S,
sysdeps/unix/sysv/linux/alpha/sigsuspend.S,
sysdeps/unix/sysv/linux/alpha/syscall.S: Rename syscall_error to
__syscall_error to avoid intruding application name space.
* sysdeps/unix/sysv/linux/alpha/sysdep.h: Rename __NR_get?id
to SYS_get?id so that syscall stubs in sysdeps/unix define
these syscalls in terms of getxpid/getxuid/getxgid.
* sysdeps/unix/_exit.S, sysdeps/unix/getegid.S,
sysdeps/unix/geteuid.S, sysdeps/unix/getppid.S,
sysdeps/unix/execve.S, sysdeps/unix/fork.S,
sysdeps/unix/syscall.S: Terminate syscall with PSEUDO_END.
* sysdeps/unix/make-syscalls.sh, sysdeps/unix/sysdep.h
(PSEUDO_END): Rename END() to PSEUDO_END().
* sysdeps/unix/alpha/sysdep.h: Move error-handling code in PSEUDO
to PSEUDO_END to improve branch-prediction. Include .frame
directive to make syscalls debugabble.
(PSEUDO_END): New macro.
* sysdeps/unix/alpha/sysdep.h, sysdeps/alpha/bb_init_func.S,
sysdeps/unix/sysv/linux/alpha/brk.S: Use ldiq instead of ldi since
latter is illegal under DEC Unix.
* sysdeps/unix/alpha/sysdep.S: Renamed from
sysdeps/unix/sysv/linux/alpha/sysdep.S. This file works for OSF/1
as well.
* sysdeps/unix/bsd/osf/alpha/sysdep.S: Remove (note that the
EWOULDBLOCK -> EAGAIN mapping was unnecessary since
EWOULDBLOCK==EAGAIN under DEC Unix and Linux/Alpha).
* sysdeps/alpha/divrem.h: Use retaddr instead of ra as the return
address register in the .frame directive.
* sysdeps/alpha/copysign.c: Remove.
* sunrpc/rpc/types.h: Include <sys/param.h> and <netinet/in.h> to
avoid RPC definitions of INADDR_LOOPBACK and/or MAXHOSTNAMELEN.
* errno.h: Move __END_DECLS to correct place to make file
compilable under c++.
* dirent/dirent.h: Document _DIRENT_HAVE_D_OFF macro. Define
d_ino only if <direntry.h> hasn't defined d_fileno.
* configure.in (HAVE_ASM_WEAKEXT_DIRECTIVE): Reverse order of
arguments to weakext to make .weakext detection work on ECOFF systems.
* FAQ: Add Linux/Alpha to list of supported platforms. Mention
that _validuser() has been replaced by __ivaliduser().
Thu Jun 6 21:39:38 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/bsd/sun/sunos4/tcsetattr.c (tcsetattr): Declare cmd
as unsigned long, not as int (to avoid incorrect int->long
promotion).
* sysdeps/mach/hurd/brk.c (___brk_addr): Define as weak alias for
_hurd_brk.
* libio/stdio.h [__USE_SVID]: Declare tempnam.
Fri Jun 14 19:28:33 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/syscalls.list: Add swapon with two
parameters.
Wed Jun 12 20:40:51 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/dl-machine.h (RTLD_START): Fix access to
_dl_default_scope.
* sysdeps/stub/elfclass.h: New file.
* shlib-versions (*-*-*): Add libutil=1.
* rpm/Makefile (install-lib): Add libc.a et al.
(install-others): Only add libc.so if $(build-shared) is yes.
* math/Makefile (install-lib): New variable, list libieee.a.
(non-lib.a): Likewise.
(extra-objs): Likewise, and ieee-math.o.
($(objpfx)libieee.a): New target, link to ieee-math.o.
* math/ieee-math.c: New file.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=math]: Remove setfpucw
and libieee.a stuff.
* sysdeps/unix/sysv/linux/ieee-fpucw.c: File removed.
* sysdeps/unix/sysv/linux/i386/ieee_fpu.c: File removed.
* sysdeps/unix/sysv/Makefile (sysdep_headers): Make append of termio.h
and rule for it conditional on termio.h not already being in
sysdep_headers.
* rpm/Makefile (install-others) [libc.so-version]: Get libc.so from
$(libdir), only the versioned named from $(slibdir).
(instfiles): New variable.
(glibc-$(version).$(config).rpm): New target. Run rpm -bb.
* rpm/rpmrc: New file. A third of the options controlling rpm can
only be given here (another third is on the command line, and a third
cannot be specified in any way shape or form).
* rpm/template: New file.
* rpm/Makefile: New file.
* Makeconfig (sysdep-configures): Remove empty variable.
* Makerules (distinfo-vars): Write defns for $(install-lib.so) and
$(versioned).
* manual/Makefile (subdir_%): Add new rule with no deps, secondary to
to rule w/dep on %, with no-op commands.
* Makerules (subdir_distinfo): New phony target; depend on distinfo.
* Makefile (rpm/%): New rule.
(+subdir_targets): Add subdir_distinfo.
* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Don't add
fpu_control.h here.
(distribute): Add hurdhost.h.
* hurd/hurdhost.h: New file.
* sysdeps/mach/hurd/gethostname.c: Use _hurd_get_host_config.
* sysdeps/mach/hurd/gethostid.c: Likewise.
* sysdeps/mach/hurd/sethostname.c: Use _hurd_set_host_config.
* sysdeps/mach/hurd/sethostid.c: Likewise.
* hurd/get-host.c: New file.
* hurd/set-host.c: New file.
* math/Makefile (headers): Add fpu_control.h.
(aux): New variable, list fpu_control and setfpucw.
* sysdeps/generic/fpu_control.c: New file.
* sysdeps/stub/fpu_control.h: New file.
* sysdeps/unix/sysv/linux/m68k/fpu_control.h: Moved to ...
* sysdeps/m68k/fpu_control.h: here.
* sysdeps/unix/sysv/linux/i386/fpu_control.h: Moved to ...
* sysdeps/i386/fpu_control.h: here.
* sysdeps/unix/sysv/linux/alpha/fpu_control.h: Moved to ...
* sysdeps/alpha/fpu/fpu_control.h: here. Fixed copyright.
* sysdeps/unix/sysv/linux/alpha/Makefile (sysdep_routines): Remove
setfpucw, fpu_control.
* sysdeps/unix/sysv/linux/alpha/fpu_control.c: File removed.
* sysdeps/unix/sysv/linux/setfpucw.c: Moved to ...
* sysdeps/generic/setfpucw.c: here.
(__fpu_control): Variable removed.
(__setfpucw): Use SET even if zero.
* sysdeps/unix/sysv/linux/Dist: Add sys/klog.h.
* elf/dl-open.c (_dl_open): Remove PARENT argument, pass null.
* elf/link.h: Update prototype.
* elf/dl-load.c (_dl_map_object): If dependents' DT_RPATHs don't find
NAME, try the DT_RPATH of the executable itself if dynamic.
* elf/dlopen.c (dlopen): Don't pass first arg to _dl_open.
* elf/dl-load.c (_dl_map_object): Exit DT_RPATH checking loop when an
open succeeds.
* Makerules (build-shlib): Give -L opts for each elt of $(rpath-link).
* sysdeps/mach/hurd/Makefile (sysdep-LDFLAGS): Variable removed.
(rpath-link): Append to this instead.
* version.c (banner): New static const variable, complete version
banner text.
(__libc_print_version): Use it, and use __write instead of printf.
* configure.in (sysnames): Don't cache the value, because it
depends only on libc sources. Merge uniquifying third pass into
Implies/parent expansion second pass. Report each unique name as
it is added in partial report string, terminated when finished.
* Makeconfig (sysdep_dir): Move defn before config.status rule that
expands it.
(sysdep-configures): Variable removed.
(config.status): Use its contents directly, tighten up a bit, and
include Implies files.
* elf/dl-open.c (_dl_open) [PIC]: Set PARENT to _dl_loaded if null.
* elf/Makefile ($(objpfx)$(rtld-installed-name)): Make a symlink.
* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_open_zero_fill):
Add comment.
* elf/rtld.c (dl_main): Close _dl_zerofd after mapping deps.
* sysdeps/generic/machine-gmon.h [NO_UNDERSCORES]: Define mcount as
weak alias for _mcount.
* sysdeps/alpha/_mcount.S (mcount): Define as weak alias.
* elf/dl-lookup.c (_dl_lookup_symbol): If no value and *REF is
null, consider it a strong reference and give the error.
Wed Jun 12 15:52:46 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* elf/dl-open.c (_dl_open): Correctly terminate relocating loop
after relocating NEW when it's the only new object.
* elf/dl-init.c (_dl_init_next): When out of initializers, set
_r_debug.r_state to RT_CONSISTENT and call _dl_debug_state just
before return.
* elf/rtld.c (dl_main): Move _dl_debug_initialize call after
relocation. Call it unconditionally and only fill in DT_DEBUG
if it's present. Then call _dl_debug_state with r_state RT_ADD
before running initializers.
* elf/dl-open.c (_dl_open): Call _dl_debug_initialize and then call
_dl_debug_state with r_state RT_ADD before running initializers
* elf/dl-close.c (_dl_close): Call _dl_debug_state with r_state
RT_DELETE before running finalizers and with RT_CONSISTENT just
before return.
* elf/Makefile (dl-routines): Add dl-debug.
* elf/dl-debug.c: New file.
* elf/rtld.c (_dl_r_debug): Rename to _r_debug and move to dl-debug.c.
(_dl_r_debug_state): Rename to _dl_debug_state and likewise move.
(dl_main): Use _dl_debug_initialize.
* elf/link.h: Fix name to _dl_debug_state in decl.
(_dl_debug_initialize): Declare new function from dl-debug.c.
(_r_debug): Declare it.
* Makerules (distinfo-vars): Add install-{lib,data,bin,sbin,others}.
In distinfo set $(subdir)-VAR and then set VAR to $($(subdir)-VAR).
* Makeconfig (rpath-link): New variable; add $(elfobjdir).
(default-rpath): Use it.
(built-program-cmd): Use it in LD_LIBRARY_PATH.
* Makeconfig (sysdep-configures): Prepend $(sysdep_dir) to names tried.
* sysdeps/unix/Dist: Add make-syscalls.sh.
* misc/Makefile (headers): Add sys/swap.h.
* posix/unistd.h: Remove decls for swapon, swapoff.
* sysdeps/generic/sys/swap.h: New file.
* sysdeps/unix/sysv/linux/sys/swap.h: New file.
* sysdeps/unix/sysv/linux/gnu/types.h: Remove temporary hack #define
of __kernel_fsid_t. It is correctly defines in <linux/types.h> now.
* elf/dl-close.c: Include <string.h> for memcpy.
* elf/dl-lookup.c: Same.
* elf/elf.h: Add Elfxx_Symndx for symbol indices.
* elf/dl-lookup.c (_dl_lookup_symbol): Use it.
(_dl_setup_hash): Use it.
* elf/link.h (struct link_map): Use it.
* elf/rtld.c (_dl_start): Don't rely on pointer-to-first-arg hack
for getting the argc/argv/envp block. Instead, make it the argument.
sysdeps/i386/dl-machine.h (RTLD_START): Do that.
sysdeps/m68k/dl-machine.h (RTLD_START): Same.
* shlib-versions: Add version numbers for alpha-linux. To avoid
user confusion, make them the same as i386-linux.
* sysdeps/alpha/Makefile [subdir elf]: Add -mno-fp-regs to
sysdep-CFLAGS so that _dl_runtime_resolve doesn't have to save them.
Add -mbuild-constants to CFLAGS-rtld.c to that we can bootstrap
without using literal data.
* sysdeps/generic/dl-sysdep.c: Include <string.h> for memcpy.
Finish Elf32 -> ElfW migration.
link to ld.so if that is not the installed name.
(lib-noranlib): Depend on the installed name in the build directory
instead of on ld.so.
* Makeconfig (link-libc): Include $(elfobjdir)/$(rtld-installed-name)
between libc.so and libc.a, because with libc.so's DT_NEEDED for ld.so
ld searches libc.a before ld.so (is that an ld bug?).
Add $(elfobjdir) to -rpath-link.
* Makerules (elfobjdir): Define as . when $(subdir) is elf.
* sysdeps/i386/dl-machine.h (elf_machine_rel): In R_386_32 case when
relocating _dl_rtld_map, subtract SYM's value from final reloc value,
but don't change *RELOC_ADDR before calling *RESOLVE, because it might
call the function we are relocating!
* elf/dl-close.c: New file.
* elf/link.h: Declare _dl_close.
* elf/Makefile (routines): Add dl-close.
* elf/dlclose.c (dlclose): Use _dl_close.
* elf/Makefile ($(objpfx)librtld.so): Remove libelf from deps.
* elf/dl-runtime.c (_dl_global_scope): New variable.
(_dl_object_relocation_scope): New function.
(fixup): Use it.
* elf/rtld.c (dl_main): Use it.
* elf/dl-open.c (_dl_open): Use it. If (MODE & RTLD_GLOBAL), set the
l_global bit and append the new map to _dl_global_scope.
* elf/link.h: Declare _dl_global_scope, _dl_global_scope_alloc,
and _dl_object_relocation_scope.
* elf/link.h (struct link_map): Add l_loader member.
Remove _dl_map_object_from_fd decl.
* elf/dl-load.c (_dl_map_object): Pass LOADER to ...
(_dl_map_object_from_fd): Take new arg LOADER and set l_loader member.
(_dl_map_object): Try DT_RPATH from all loaders up the chain.
* elf/dl-object.c (_dl_loaded): Variable removed.
(_dl_default_scope): New variable replaces it.
* elf/link.h (_dl_loaded): Remove variable decl; instead define as
macro for _dl_default_scope[2].
(_dl_default_scope): Declare it.
* sysdeps/i386/dl-machine.h (RTLD_START): Use _dl_default_scope[2]
instead of _dl_loaded.
* sysdeps/m68k/dl-machine.h (RTLD_START): Likewise.
* elf/rtld.c (dl_main): Use _dl_default_scope for symbol lookups.
* elf/dl-reloc.c (_dl_relocate_object): Remove check for _dl_rtld_map.
* elf/rtld.c (dl_main): Pass 0 for LAZY flag when re-relocating self.
* elf/link.h (struct link_map.l_type): Remove lt_interpreter.
(struct link_map): Add new flag member l_global.
* elf/dl-reloc.c (_dl_relocate_object): Check for _dl_rtld_map
directly instead of looking for lt_interpreter.
* sysdeps/i386/dl-machine.h (elf_machine_rel): Likewise.
* elf/rtld.c (_dl_start): Don't bother setting BOOTSTRAP_MAP.l_type.
(dl_main): Set _dl_rtld_map.l_type to lt_library.
* elf/dl-deps.c (_dl_map_object_deps): Propagate MAP->l_type to
dependencies loaded, downgrading lt_executable -> lt_library.
* elf/dl-load.c (_dl_map_object_from_fd): Take new arg TYPE and set
l_type from that, translating lt_library->lt_executable based on the
file's ELF type.
(_dl_map_object): Likewise.
* elf/link.h: Update prototypes.
* elf/dl-open.c: Pass type lt_loaded.
* elf/rtld.c: Pass type lt_library.
* elf/dl-load.c (_dl_map_object_from_fd): Handle null return from
_dl_new_object.
(_dl_map_object_from_fd: lose): Unchain and free L if it's not null.
Free REALNAME, and just use NAME in error message.
* elf/dl-object.c (_dl_new_object): If malloc fails, return null
instead of calling _dl_signal_error.
* elf/dl-load.c (_dl_map_object_from_fd): Close FD before signalling
error for _dl_zerofd setup failure.
* elf/dl-object.c (_dl_startup_loaded): Variable removed.
* elf/link.h: Remove its decl.
* elf/dl-reloc.c (_dl_relocate_object): Take new SCOPE arg and pass it
through to _dl_lookup_symbol.
* elf/link.h (_dl_relocate_object): Update comment and prototype.
* elf/rtld.c (dl_main): Pass scope vector to _dl_relocate_object.
* elf/dl-lookup.c (_dl_lookup_symbol): Arg SYMBOL_SCOPE is now a
null-terminated vector of pointers, no longer a vector of exactly two.
* elf/link.h (_dl_lookup_symbol): Update comment and prototype.
* elf/dl-runtime.c (fixup): Set up scope for symbol lookup properly as
done in _dl_relocate_object.
* elf/dlopen.c: Pass "" to _dl_open when FILE is null.
* sysdeps/mach/hurd/dl-sysdep.c (__open): Define this instead of open.
(__close, __mmap): Likewise define with __ names now.
Mon Jun 10 05:13:18 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* elf/dl-support.c: New file.
* elf/Makefile (CFLAGS-dl-support.c): New variable.
(routines, elide-routines.so): Add dl-support.
* elf/dl-minimal.c (_dl_pagesize): Remove common defn.
* elf/dl-load.c (_dl_pagesize): Define it here.
(_dl_map_object_from_fd): Initialize it if zero.
* elf/link.h (_dl_pagesize): Remove const.
Sun Jun 9 04:04:26 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* elf/Makefile (routines): Add dl-symbol.
* elf/dl-lookup.c (_dl_symbol_value): Moved to ...
* elf/dl-symbol.c: New file.
* elf/elf.h (Elf32_Xword, Elf32_Sxword): New types.
(Elf32_Section, Elf64_Section): New types, 16 bits.
(Elf32_Sym, Elf64_Sym): Use it.
* elf/dl-deps.c (_dl_open): Moved to ...
* elf/dl-open.c: New file.
* Makefile (routines): Add dl-open.
* elf/Makefile (dl-routines): New variable.
(routines): Add $(dl-routines).
(elide-routines.so): New variable, set to $(dl-routines).
(libdl-inhibit-o): Variable removed; build all flavors of -ldl.
(rtld-routines): All but rtld, dl-sysdep, and dl-minimal moved to
$(dl-routines).
* elf/dl-lookup.c (_dl_lookup_symbol): Remove magic symbol grokage.
* elf/dladdr.c: Use ELFW(ST_BIND) in place of ELF32_ST_BIND.
* elf/dl-load.c (open_path): Use __ names for open and close. Avoid
using strdup.
(_dl_map_object): Likewise.
(_dl_map_object_from_fd): Use __ names for mmap, munmap, and mprotect.
* elf/dl-minimal.c (malloc): Likewise.
* elf/dl-reloc.c (_dl_relocate_object): Likewise.
* elf/dl-minimal.c (_dl_pagesize): New variable.
(malloc): Use that instead of a static variable.
* elf/dl-reloc.c (_dl_relocate_object): Use _dl_pagesize instead of
calling getpagesize.
* elf/dl-load.c (_dl_map_object_from_fd): Likewise.
* elf/link.h: Declare _dl_pagesize.
* elf/rtld.c (dl_r_debug): Renamed to _dl_r_debug.
* elf/link.h (struct link_map): Use Half for l_phnum instead of Word.
* elf/rtld.c (dl_main): Use Half for phdr count arg.
(_dl_sysdep_start): Update prototype of DL_MAIN function ptr arg.
* elf/dl-load.c (_dl_map_object_from_fd): Use explicit Elf32_Word to
extract 4-byte magic number, not ElfW(Word). Match EI_CLASS against
native wordsize, either 32 or 64.
* elf/elf.h (Elf64_Byte, Elf64_Section): Typedefs removed. In C a
char is always a byte, no need for a typedef. Section indices are
16-bit quantities in elf64, which already have a typedef Elf64_Half.
Remove partial -lelf implementation. There is now a
separately-distributed `libelf' package that implements it.
* elf/dl-lookup.c: Don't #include <libelf.h> any more.
(_dl_elf_hash): New function, moved from
libelf.h:elf_hash.
(_dl_lookup_symbol): Use it instead of elf_hash.
* elf/libelf.h: File removed.
* elf/elf_hash.c: File removed.
* elf/Makefile (headers): Remove libelf.h.
(extra-libs): Remove libelf.
(libelf-routines): Variable removed.
* elf/Makefile (libdl.so): Remove commands from this target. The
implicit rule commands are correct, this explicit rule just serves to
add some dependencies.
* elf/dl-lookup.c (_dl_lookup_symbol): Use ELFW(ST_TYPE) in place of
ELF32_ST_TYPE. Likewise ST_BIND.
* elf/do-rel.h (elf_dynamic_do_rel): Likewise R_SYM.
* elf/link.h (ElfW): New macro for wordsize-independent ElfXX_* type
naming.
(ELFW): New macro, likewise for ELFXX_* macro naming.
(_ElfW, _ElfW_1): New macros, subroutines of ElfW and ELF.
Sat Jun 8 20:52:38 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* elf/link.h, elf/do-rel.h, elf/dynamic-link.h, elf/dl-deps.c,
elf/dl-init.c, elf/dl-load.c, elf/dl-lookup.c, elf/dl-reloc.c,
elf/dl-runtime.c, elf/dladdr.c, elf/dlclose.c, elf/dlsym.c,
elf/linux-compat.c, elf/rtld.c: Change all uses of `Elf32_XXX' to
`ElfW(XXX)' for wordsize-independence.
Sat Jun 8 20:50:42 1996 Richard Henderson <rth@tamu.edu>
* elf/elf.h: Move Elf64_* types in parity with Elf32 counterparts.
(Elf64_auxv_t): New type.
(EM_ALPHA, R_ALPHA_*): New macros for elf64-alpha format.
* sysdeps/unix/sysv/linux/configure.in: New file, start with configure.
Add check for installed <linux/version.h> being v2.0 or later.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_open_zero_fill): Call __open
instead of open.
(_dl_sysdep_fatal): Call __write instead of write.
(_dl_sysdep_message): Likewise.
Sun Jun 9 20:40:00 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/fpu/e_acosl.c: New file.
* Makerules (o-objects): New variable. Use it in place of
$(objects:.o=$o); it filters out $(elide-routines$o).
Use o-iterator for ar and ranlib rules so they use the per-type object
list.
* sysdeps/unix/bsd/ultrix4/sys/mman.h: Likewise.
* sysdeps/m68k/dl-machine.h (elf_machine_rela): Fix type of reloc
argument.
[case R_68K_32]: Check for resolve being null.
(RTLD_START): Add missing label.
* misc/lsearch.c: New file. Implementation of lfind and
lsearch functions.
* misc/search.h: Add prototype for functions from tsearch
family with __ prefix.
Correct prototype for lsearch: BASE parameter must not be
const.
* misc/tsearch.c: prepend all global function names with __
and make normal names weak aliases.
Fri Jun 7 00:15:24 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* Make-dist (sysdep_dirs): Skip CVS dirs.
* hurd/hurdsig.c (_hurd_internal_post_signal): For SIGNO==0 pending
check, deliver a pending blocked signal if its action might be to
ignore.
* sysdeps/mach/hurd/sigaction.c: If new action is SIG_IGN or SIG_DFL
and SIG is pending, wake up signal thread to check us.
* hurd/hurdsig.c (_hurd_internal_post_signal): Don't mark a signal
pending while blocked or stopped when the action is to ignore it.
* hurd/hurdsig.c (_hurd_internal_post_signal: resume): Only set
SS_SUSPENDED when the thread is really suspended.
* elf/rtld.c (dl_main): Don't dereference _dl_rtld_map.l_next if null.
Thu Jun 6 07:32:14 1996 Miles Bader <miles@gnu.ai.mit.edu>
* resolv/gethnamaddr.c (struct hstorage): Make NAME field a pointer.
(_gethtbyname2): Remove ALIAS variable.
Initialize NAME field of SELF and TARGET to 0.
Add SELF_NAME_SIZE static variable.
Add loop to call gethostname until the space we allocated is enough.
Use malloced strings instead of fixed size buffers.
<stdlib.h>, <unistd.h>: New includes.
* sysdeps/generic/sys/socket.h (PF_INET6, AF_INET6): New macros.
* sysdeps/mach/hurd/errlist.c (_sys_errlist): Add EILSEQ.
(_sys_nerr): Initialize to 107.
Update _HURD_ERRNOS consistency check.
* stdlib/canonicalize.c (canonicalize): Use pathconf for PATH_MAX,
not sysconf.
* login/login.c [!PATH_MAX] (PATH_MAX): Define to be 1024 if not
already defined.
* sysdeps/mach/hurd/setitimer.c (timer_thread): Supply SIGCODE
argument to __msg_sig_post_request.
* hurd/hurdmalloc.c: Changes to bring in line with the hurd
libthreads/malloc.c:
(more_memory): Use assert_perror instead of MACH_CALL.
"cthread_internals.h": Include removed.
(realloc): Use LOG2_MIN_SIZE.
(LOG2_MIN_SIZE): New macro.
(realloc): Don't bother allocating a new block if the
new size request fits in the old one and doesn't waste any space.
Only free the old block if we successfully got a new one.
[MCHECK] (struct header): New type.
(union header): Only define if !MCHECK.
(HEADER_SIZE, HEADER_NEXT, HEADER_FREE, HEADER_CHECK): New macros.
[MCHECK] (MIN_SIZE): Add correct definition for this case.
(more_memory, malloc, free, realloc): Use above macros, and add
appropiate checks & frobs in MCHECK case.
* mach/Machrules (include-%.defs): New canned sequence.
Change all uses of `#include <$*.defs>' in cmds to use it.
* mach/Makefile (mach_interface.defs): New variable, set to mach.defs.
* sysdeps/i386/dl-machine.h (elf_machine_rel): Handle RESOLVE being
null in all cases but R_386_COPY.
(elf_machine_rel):
* sysdeps/unix/bsd/ultrix4/mips/Dist: Updated.
* sysdeps/unix/bsd/ultrix4/Dist: Removed.
* sysdeps/unix/sysv/sysv4/Dist: Updated.
* sysdeps/unix/sysv/sco3.2.4/Dist: Removed.
* sysdeps/unix/sysv/irix4/Dist: Updated.
* sysdeps/unix/sysv/linux/i386/Dist: Removed.
* sysdeps/unix/sysv/Dist: Updated.
* sysdeps/unix/bsd/sun/sunos4/Dist: Removed.
* sysdeps/unix/bsd/sony/newsos4/Dist: Removed.
* sysdeps/gnu/Dist: New file.
* sysdeps/alpha/Dist: Updated.
* sysdeps/mach/hurd/Dist: Updated.
* Make-dist [subdir-dirs]: Set a vpath for %.c.
* Make-dist (README): Fix typo in cvs cmd.
* sysdeps/mach/hurd/getlogin_r.c: New file.
Wed Jun 5 02:11:30 1996 Ulrich Drepper <drepper@cygnus.com>
* io/Makefile (routines): Add ttyname_r.
* resolv/res_debug.c, resolv/resolv.h: Update from bind-4.3.4-T4A.
* sysdeps/libm-i387/e_asinl.S, sysdeps/libm-i387/e_atan2l.S,
sysdeps/libm-i387/e_expl.S, sysdeps/libm-i387/e_fmodl.S,
sysdeps/libm-i387/e_log10l.S, sysdeps/libm-i387/e_logl.S,
sysdeps/libm-i387/e_remainderl.S, sysdeps/libm-i387/e_scalbl.S,
sysdeps/libm-i387/e_sqrtl.S, sysdeps/libm-i387/s_atanl.S,
sysdeps/libm-i387/s_cosl.S, sysdeps/libm-i387/s_ilogbl.S,
sysdeps/libm-i387/s_log1pl.S, sysdeps/libm-i387/s_logbl.S,
sysdeps/libm-i387/s_scalbnl.S, sysdeps/libm-i387/s_sinl.S,
sysdeps/libm-i387/s_tanl.S: New files. i387 assembler versions
of `long double' math functions.
* sysdeps/libm-ieee754/k_standard.c: Add handling for errors
in long double functions.
* sysdeps/libm-ieee754/s_ilogbl.c, sysdeps/libm-ieee754/s_logbl.c,
sysdeps/libm-ieee754/s_modfl.c: New files. Generic versions
of `long double' math functions.
* sysdeps/libm-ieee754/s_isinf.c [NO_LONG_DOUBLE]: Add string
alias for __isinfl.
* sysdeps/libm-ieee754/w_acoshl.c, sysdeps/libm-ieee754/w_acosl.c,
sysdeps/libm-ieee754/w_asinl.c, sysdeps/libm-ieee754/w_atan2l.c,
sysdeps/libm-ieee754/w_atanhl.c, sysdeps/libm-ieee754/w_cabsl.c,
sysdeps/libm-ieee754/w_coshl.c, sysdeps/libm-ieee754/w_dreml.c,
sysdeps/libm-ieee754/w_expl.c, sysdeps/libm-ieee754/w_fmodl.c,
sysdeps/libm-ieee754/w_gammal.c, sysdeps/libm-ieee754/w_gammal_r.c,
sysdeps/libm-ieee754/w_hypotl.c, sysdeps/libm-ieee754/w_j0l.c,
sysdeps/libm-ieee754/w_j1l.c, sysdeps/libm-ieee754/w_jnl.c,
sysdeps/libm-ieee754/w_lgammal.c, sysdeps/libm-ieee754/w_lgammal_r.c,
sysdeps/libm-ieee754/w_log10l.c, sysdeps/libm-ieee754/w_logl.c,
sysdeps/libm-ieee754/w_powl.c, sysdeps/libm-ieee754/w_remainderl.c,
sysdeps/libm-ieee754/w_scalbl.c, sysdeps/libm-ieee754/w_sinhl.c,
sysdeps/libm-ieee754/w_sqrtl.c: New files. Wrapper functions
around long double function implementations.
* sysdeps/posix/ttyname_r.c (ttyname_r): Use _D_EXACT_NAMLEN
to determine length of directory entry name.
* posix/Makefile (routines): Add getlogin_r.
* posix/unistd.h: Add prototype for getlogin_r.
* sysdeps/stub/getlogin_r.c: New file. Reentrant version of
getlogin function, specified in P1003.1c/D6. Stub version.
* sysdeps/unix/getlogin.c (getlogin): Use ttyname_r instead of
ttyname. This avoids saving and restoring the old content.
Also use setutent_r, getutline_r and endutent_r instead of
accing UTMP file directly.
* sysdeps/unix/getlogin_r.c: New file. Reentrant version of
getlogin function, specified in P1003.1c/D6.
Tue Jun 4 20:10:09 1996 J.T. Conklin <jtc@cygnus.com>
* sysdeps/libm-i387/s_finitef.S: Fix mask for exponent.
* elf/dl-lookup.c (_dl_lookup_symbol): Grok magical undefined symbols
_GNU_libc_dl_{open,close,symbol} and resolve them to dl functions.
* elf/rtld.c (rtld_map): Renamed to _dl_rtld_map, made global.
* elf/link.h: Declare _dl_rtld_map.
* elf/dl-lookup.c (_dl_symbol_value): New function.
* elf/link.h: Declare it.
stdio-common/vfscanf.c: Prepare for reentrant libio.
Used in reentrant libio.
* elf/dladdr.c: Remove #include <setjmp.h>, we don't use it.
* shlib-versions: Set libdl=2.
* elf/dl-deps.c (_dl_map_object_deps): Use a linked list of alloca'd
elements and then scan it to fill the single malloc'd array, instead
of using realloc to grow the array in the first pass. _dl_map_object
may do some mallocs that break our stream of reallocs, and the minimal
realloc can't handle that.
* elf/dl-init.c (_dl_init_next): Take argument, link_map whose
searchlist describes the piece of the DT_NEEDED graph to be
initialized.
* elf/link.h: Update prototype.
* sysdeps/i386/dl-machine.h (RTLD_START): Pass _dl_loaded as argument
to _dl_init_next.
* sysdeps/m68k/dl-machine.h: Likewise.
* elf/dl-deps.c (_dl_open): Pass new object as arg to _dl_init_next.
* elf/link.h (struct link_map): Add `l_reserved' member, soaking up
extra bits in last byte.
* elf/dl-deps.c (_dl_map_object_deps): Use that for mark bit to avoid
putting dup elts in search list.
* elf/dlclose.c: Use MAP->l_searchlist to find deps to close.
* elf/dlsym.c: Don't tweak linked list. Scope array given to
_dl_lookup_symbol does the right thing.
Tue Jun 4 02:25:44 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* sysdeps/gnu/errlist.awk: Produce N_("..."), not _N("...").
* intl: Updated from gettext-0.10.13.
* intl/localealias.c intl/dcgettext.c [_LIBC]: Define HAVE_ALLOCA.
* signal/siggetmask.c: New file. Wrapper around sigblock with
link_warning about obsolescence.
* signal/Makefile (routines): Add siggetmask.
* sysdeps/gnu/errlist.awk: New file, adapted from ...
* sysdeps/mach/hurd/errlist.awk: File removed, above file replaces it.
* sysdeps/mach/hurd/Makefile (errlist.c): Target removed.
* sysdeps/gnu/Makefile: New file.
(sysdeps/gnu/errlist.c): Make the errlist.c generation rule into this.
* manual/errno.texi (Error Codes): Add placeholder items for missing
Linux/i386 errno codes, with perror text but no documentation.
Some existing perror texts changed.
* elf/dl-lookup.c (_dl_lookup_symbol): Take new arg RELOC_ADDR and
don't allow a defn resolving to that address.
* elf/link.h: Update prototype and comment.
* elf/dl-runtime.c (fixup): Define local `resolve' function and pass
it to elf_machine_relplt.
* elf/dl-reloc.c (_dl_relocate_object: resolve): Take new arg
RELOC_ADDR and pass it through to _dl_lookup_symbol.
* elf/do-rel.h (elf_dynamic_do_rel): Pass RESOLVE to elf_machine_rel
instead of calling it ourselves and passing its results.
(elf_dynamic_do_rel): RESOLVE fn takes new arg RELOC_ADDR.
* elf/rtld.c (dl_main): Pass 0 for RELOC_ADDR to _dl_lookup_symbol.
* sysdeps/i386/dl-machine.h (elf_machine_rel): Remove SYM_LOADADDR
arg. Add RESOLVE function ptr arg. Call *RESOLVE as necessary.
* sysdeps/m68k/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/stub/dl-machine.h: Likewise.
* csu/initfini.c (_fini): Add extern decl for i_am_not_a_leaf.
* elf/dlfcn.h (dl_open_mode): Enumerated type removed.
(RTLD_LAZY, RTLD_NOW): Define these as macros instead.
(RTLD_GLOBAL): New macro.
(dlopen): Take arg of type int instead of dl_open_mode.
* elf/dlopen.c: Likewise.
* math/math.h (_Mldbl): New macro, either produces L suffix or not.
(M_*): Use it for these constants.
