* Makerules (LDFLAGS-c.so): Use __libc_main instead of
__libc_print_version as entry point for shared object.
* version.c [HAVE_ELF] (__libc_main): New function.
* elf/dl-load.c (_dl_map_object_from_fd): Relocate l_entry with the
load address.
* 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.
* elf/Makefile (routines): Remove init-first.
* csu/Makefile (routines): New variable; put it here instead.
* config.make.in (CFLAGS): New variable.
* io/sys/stat.h (S_ISLNK, S_ISSOCK): Make conditional on __USE_BSD,
not __USE_GNU.
* string/string.h (strncasecmp): Likewise.
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.
* Makerules (make-target-directory): Use ./mkinstalldirs so we do not
assume . is in PATH.
Sat Jun 8 22:05:03 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* math/Makefile (distribute): Comment out addition of
$(long-m-routines) sources until they are all written.
* math/Makefile (distribute): Append long double source names to this
instead of using elided-routines.
Sat Jun 8 15:15:07 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* mach/mach_shortcuts.c: Obsolete file removed.
* mach/mach_syscalls.h: Likewise.
* hurd/Makefile (distribute): Consolidate defns into one.
* time/Makefile (tzfiles): Add solar87 solar88 solar89.
Fri Jun 7 11:02:22 1996 Miles Bader <miles@gnu.ai.mit.edu>
* login/login.c (tty_name): New function.
(login): Use it.
(PATH_MAX): MACRO removed.
<stdlib.h>: New include.
* 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: Undo last change.
(mach-generated): List .uh and .__h files only for $(user-interfaces),
not for each .h in $(interface-headers); server-interfaces have no .uh
or .__h files.
* mach/Makefile (mach/mach_interface.defs): Renamed from
mach_interface.defs.
Wed Jun 5 15:10:58 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* Make-dist [subdir-dirs]: Set vpath for %, not just %.c.
* locale/Makefile (subdir-dirs): New variable.
Wed Jun 5 00:01:19 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* mach/Machrules: Undo last change.
(mach-generated): List .uh and .__h files only for $(user-interfaces),
not for each .h in $(interface-headers); server-interfaces have no .uh
or .__h files.
Wed Jun 5 15:42:51 1996 Miles Bader <miles@gnu.ai.mit.edu>
* mach/Machrules (%_server.uh, %_server.__h): New rules, so that the
corrsponding .defs file with without the `_server' will be used.
* mach/Makefile (mach/mach_interface.defs): Renamed from mach_interface.defs.
(mach/memory_object_user.defs): New variable.
* mach/Machrules (include-%.defs): New canned sequence.
Change all uses of `#include <$*.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.
