Set mark bits of deps as opened, instead of as scanned.
* elf/rtld.c (dl_main): Remove _dl_rtld_map from chain unconditionally.
Then if it has a nonzero l_opencount, add it back in search order.
* elf/dl-load.c (_dl_map_object): Don't use _dl_loaded's DT_RPATH if
it ain't got one!
* 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 $(rpath-link).
* sysdeps/mach/hurd/Makefile (sysdep-LDFLAGS): Variable removed.
(rpath-link): Append to this instead.
* Makerules (LDFLAGS-c.so): Use __libc_main instead of
__libc_print_version as entry point for shared object.
* version.c [HAVE_ELF] (__libc_main): New function.
* elf/dl-load.c (_dl_map_object_from_fd): Relocate l_entry with the
load address.
* elf/dl-close.c: New file.
* elf/link.h: Declare _dl_close.
* elf/Makefile (routines): Add dl-close.
* elf/dlclose.c (dlclose): Use _dl_close.
* elf/Makefile ($(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.
* elf/dl-load.c (_dl_map_object_from_fd): Always set L->l_type; if not
lt_executable, then lt_library.
* elf/rtld.c (dl_main): Don't set NEW->l_type after _dl_map_object.
Wed Mar 20 00:08:23 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/syscalls.list: Remove gtty and stty.
Tue Mar 19 16:31:06 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/termbits.h (CRTSCTS, CBAUDEX, VEOL,
VEOL2, VMIN, VTIME): Corrected.
(PAGEOUT, WRAP, VDSUSP): Deleted.
* sysdeps/unix/readdir.c: Test [! _DIRENT_HAVE_D_RECLEN] instead of
(sizeof (DP->d_name) > 1) to detect fixed-size dir entries.
* elf/dl-load.c (_dl_map_object_from_fd): After mapping first
segment to find location, mprotect excess region to no access,
don't munmap it.
* sysdeps/mach/hurd/dl-sysdep.c (mmap): If vm_map returns
KERN_NO_SPACE for fixed location, deallocate it and try again.
* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start_cleanup): New
function.
(_dl_sysdep_start): Move cleanup code there.
* Makeconfig (default-rpath): New variable.
(link-libc): Use it.
* elf/Makefile (ld.so): Pass -rpath=$(default-rpath).
* elf/rtld.c (_dl_rpath): New variable.
(_dl_start): Set it from rtld_map's DT_RPATH.
Call _dl_setup_hash on rtld_map.
(dl_main): Cache address of _exit in variable before relocating,
and use that in later calls. Call _dl_sysdep_start_cleanup before
relocating. Keep track of dependency order while loading; remove
rtld_map from chain, and reinsert in proper order if there is a
dependency on it.
* sysdeps/generic/Makefile (make_siglist): Pass
-DSIGNUM_H=... with config's signum.h location.
* sysdeps/generic/make_siglist.c: Include SIGNUM_H to define
signal numbers.
(HAVE_STRSIGNAL, HAVE_PSIGNAL): Define these before including signame.c
(main): Deansideclize output.
* elf/dl-load.c (_dl_map_object): Use _dl_rpath variable in place
of DEFAULT_RPATH macro.
* elf/Makefile: Undo last change.
* sysdeps/mach/hurd/dl-sysdep.c (free): Don't abort, just nop.
error if weak.
* elf/Makefile (default-rpath): New variable.
(CPPFLAGS): Append -DDEFAULT_RPATH=....
* elf/dl-load.c (_dl_map_object): Use DEFAULT_RPATH instead of
hard-coded "/lib:/usr/lib".
* Makeconfig (config-LDFLAGS): Define to
-Wl-dynamic-linker=$(libdir)$(rtld-installed-name).
(rtld-installed-name): New variable.
* elf/Makefile (install-lib): Variable removed.
(install-others): Define this instead, to
$(libdir)(rtld-installed-name).
($(libdir)(rtld-installed-name)): New target; install from ld.so.
* elf/ldd.sh.in: New file.
* elf/Makefile (distribute): Add ldd.sh.in.
(install-bin): Add ldd.
($(objpfx)ldd: ldd.sh.in): New rule.
* sysdeps/mach/hurd/dl-sysdep.c: Use __hurd_fail throughout.
* hurd/hurd.h (__hurd_fail): Replace macro with inline function.
Translate some Mach errors to Hurd errors.
* elf/rtld.c (dl_main): Under --list, print msg if executable is
statically linked.
* elf/dl-load.c (_dl_map_object_from_fd): Rewrote program header
table processing.
Sat Oct 7 01:25:48 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/stub/machine-gmon.h: Add #error.
Fri Oct 6 01:49:48 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* elf/dynamic-link.h (elf_get_dynamic_info): If DYN is null, don't
examine it.
kernel with args on stack, point _dl_hurd_data at zero data
instead of garbage. When ld.so run as program, grok args
-LIB=MEMOBJ and pre-load shared object files found in memory
objects loaded by the boot loader.
* elf/link.h (struct link_map): New member `l_entry'.
(_dl_map_object, _dl_map_object_from_fd): Remove last arg ENTRY_POINT.
* elf/dl-load.c (_dl_map_object, _dl_map_object_from_fd): Remove
last arg ENTRY_POINT. Store the entry point location in the
`l_entry' member of the new map.
* elf/rtld.c (dl_main): Don't pass USER_ENTRY arg to
_dl_map_object. When run as program, set *USER_ENTRY to L->l_entry.
* elf/dl-init.c (_dl_init_next): Don't pass ENTRY_POINT arg to
_dl_map_object.
* config.make.in (AS): New variable; set to `$(CC) -c'.
* posix/unistd.h [__USE_BSD]: Declare profil.
* elf/dl-load.c (_dl_map_object_from_fd): New function, broken out
of _dl_map_object.
(_dl_map_object): Call it.
* elf/link.h (_dl_map_object_from_fd): Declare it.
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.
* 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/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.
Roland McGrath