2004-10-14 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (_dl_start): Fix one last dl_loaded.
* elf/dl-load.c (_dl_map_object_from_fd): Avoid definition of
label when it is not needed.
* elf/dl-close.c (_dl_close): Typo: & -> &&.
Update.
Add support for namespaces in the dynamic linker.
* dlfcn/Makefile (libdl-routines): Add dlmopen.
* dlfcn/Versions [libdl, GLIBC_2.3.4]: Add dlmopen.
* dlfcn/dlfcn.h: Define Lmid_t, LM_ID_BASE, and LM_ID_NEWLM.
Declare dlmopen. Document RTLD_DI_LMID.
* dlfcn/dlinfo.c: Handle RTLD_DI_LMID.
* dlfcn/dlmopen.c: New file.
* dlfcn/dlopen.c: Pass new parameter to _dl_open.
* dlfcn/dlopenold.c: Likewise.
* elf/dl-addr.c: Adjust for removal of GL(dl_loaded).
* elf/dl-caller.c: Likewise.
* elf/dl-close.c: Likewise.
* elf/dl-conflict.c: Likewise.
* elf/dl-debug.c: Likewise.
* elf/dl-lookup.c: Likewise.
* elf/dl-sym.c: Likewise.
* elf/dl-version.c: Likewise.
* elf/do-lookup.h: Likewise.
* elf/rtld.c: Likewise.
* sysdeps/unix/sysv/linux/i386/dl-librecon.h: Likewise.
* elf/dl-depsc: Likewise. Add new parameter to _dl_map_object.
* elf/dl-fini.c: Call destructors in all namespaces.
* elf/dl-iteratephdr.c: Compute total nloaded. Adjust for removal of
GL(dl_loaded).
* elf/dl-libc.c: Pass new parameter to _dl_open. Adjust for removal
of GL(dl_loaded).
* elf/dl-load.c (_dl_map_object_from_fd): Don't load ld.so a second
time. Reuse the one from the main namespace in all others.
Pass new parameter to _dl_new_object.
Adjust for removal of GL(dl_loaded).
* elf/dl-object.c: Take new parameter. Use it to initialize l_ns.
Adjust for removal of GL(dl_loaded).
* elf/dl-open.c (_dl_open): Take new parameter.
Adjust for removal of GL(dl_loaded).
* elf/dl-support.c: Replace global _dl_loaded etc variables with
_dl_ns variable.
* include/dlfcn.h: Adjust prototype of _dl_open.
Define __LM_ID_CALLER.
* include/link.h: Add l_real, l_ns, and l_direct_opencount elements.
* sysdeps/generic/dl-tls.c: Bump TLS_STATIC_SURPLUS. Since libc is
using TLS we need memory appropriate to the number of namespaces.
* sysdeps/generic/ldsodefs.h (struct rtld_global): Replace _dl_loaded,
_dl_nloaded, _dl_global_scope, _dl_main_searchlist, and
_dl_global_scope_alloc with _dl_ns element. Define DL_NNS.
Adjust prototypes of _dl_map_object and member in rtld_global_ro.
* malloc/malloc.c: Include <dlfcn.h>.
* malloc/arena.c (ptmalloc_init): If libc is not in primary namespace,
never use brk.
* elf/Makefile: Add rules to build and run tst-dlmopen1 and
tst-dlmopen2.
* elf/tst-dlmopen1.c: New file.
* elf/tst-dlmopen1mod.c: New file.
* elf/tst-dlmopen2.c: New file.
* elf/dl-close.c: Improve reference counting by tracking direct loads.
* elf/dl-lookup.c (add_dependency): Likewise.
* elf/dl-open.c (dl_open_worker): Likewise.
* elf/rtld.c (dl_main): Likewise.
2004-09-09 GOTO Masanori <gotom@debian.or.jp>
[BZ #77]
* elf/dl-close.c: Count down l_opencount to check not only for
l_reldeps, but also l_initfini.
2004-10-13 Ulrich Drepper <drepper@redhat.com>
2003-01-11 Jim Meyering <jim@meyering.net>
* io/ftw.c [HAVE_CONFIG_H]: Include <config.h>.
[HAVE_SYS_PARAM_H || _LIBC]: Guard inclusion of <sys/param.h>.
Include <sys/stat.h>, not <include/sys/stat.h>, if !_LIBC.
[!_LIBC] (__chdir, __closedir, __fchdir, __getcwd, __opendir): Define.
[!_LIBC] (__readdir64, __tdestroy, __tfind, __tsearch): Define.
[!_LIBC] (internal_function, dirent64, MAX): Define.
(__set_errno): Define if not already defined.
(open_dir_stream): When FTW_CHDIR is enabled, invoke opendir on
the basename, not the entire file name.
(process_entry): When FTW_CHDIR is enabled, invoke XSTAT or LXSTAT on
the basename, not the entire file name.
2003-01-12 Ulrich Drepper <drepper@redhat.com>
* string/tester.c (test_strcpy): Disable last added strcpy until
it is fixed.
2003-01-11 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/arm/socket.S: Add cancellation support.
2003-01-11 Andreas Schwab <schwab@suse.de>
* Makerules: Add vpath for %.dynsym and %.so so that the
implicit rule chaining for check-abi works.
2003-01-11 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/sysdep.h (SYSCALL_ERROR_HANDLER):
Add non-PIC case.
2003-01-11 Jakub Jelinek <jakub@redhat.com>
* elf/tls-macros.h [__ia64__] (__TLS_CALL_CLOBBERS): Define.
[__ia64__] (TLS_LE, TLS_IE): Fix typos. Add ;; at start of asm if
gp is used early.
[__ia64__] (TLS_LD, TLS_GD): Likewise. Use __TLS_CALL_CLOBBERS.
* elf/Makefile ($(objpfx)tst-tlsmod5.so, $(objpfx)tst-tlsmod6.so):
Ensure libc.so in DT_NEEDED.
* sysdeps/alpha/dl-machine.h (elf_machine_rela): Move
CHECK_STATIC_TLS before l_tls_offset use.
* sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela):
Likewise.
* sysdeps/sh/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/generic/dl-tls.c (_dl_allocate_tls_storage) [TLS_DTV_AT_TP]:
Allocate TLS_PRE_TCB_SIZE bytes below result.
(_dl_deallocate_tls) [TLS_DTV_AT_TP]: Adjust before freeing.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): If
TLS_INIT_TP_EXPENSIVE is not defined, allocate even if no PT_TLS
segment has been found. If TLS_DTV_AT_TP, allocate TLS_PRE_TCB_SIZE
bytes below result and add tcb_offset to memsz.
* sysdeps/ia64/dl-tls.h (__tls_get_addr): New prototype.
* sysdeps/ia64/dl-machine.h: Include tls.h.
(elf_machine_type_class): Return ELF_RTYPE_CLASS_PLT for TLS relocs
too.
(elf_machine_rela): Assume if sym_map != NULL sym is non-NULL too.
Handle R_IA64_DTPMOD*, R_IA64_DTPREL* and R_IA64_TPREL* relocations.
* sysdeps/ia64/libc-tls.c: New file.
2003-01-10 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/powerpc64/sysdep.h (PSEUDO_RET): Add branch hit.
* sysdeps/unix/sysv/linux/powerpc/bits/stat.h (STAT_VER_LINUX):
Fix type. Move definition out of #if.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/ftruncate64.c: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/pread.c: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/pread64.c: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite.c: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite64.c: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S: Add cancellation
support.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list: Remove
ftruncate64, pread64, pwrite64, truncate64 entries.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
(INLINE_SYSCALL): New version that supports function call like
syscalls. Add __builtin_expect.
(LOADARGS_n): Add argument size safety checks.
(INTERNAL_SYSCALL): New Macro.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/truncate64.c: New file.
* sysdeps/unix/sysv/linux/powerpc/sys/procfs.h [__PPC_ELF_H]: Avoid
redefinition of elf_fpreg_t and elf_fpregset_t.
2003-01-12 Ulrich Drepper <drepper@redhat.com>
* elf/dl-close.c (_dl_close): Add several asserts. Correct and
simplify test for unloading. If loader of a DSO is unloaded do not
use its scope anymore. Fall back to own scope and adjust opencounts.
Fix several comments.
* elf/dl-deps.c (_dl_map_object_deps): Always allocate memory for
the l_searchlist, not only for l_initfini.
* elf/dl-lookup.c (add_dependencies): Avoid creating relocation
dependencies if objects cannot be removed. Remove object with the
definition as not unloadable if necessary.
* elf/reldep6.c: Create relocation dependency before closing the first
module.
2003-01-10 Guido Gnther <agx@sigxcpu.org>
* elf/Makefile: Add rules to build and run reldep9 test.
* elf/reldep9.c: New file.
* elf/reldep9mod1.c: New file.
* elf/reldep9mod2.c: New file.
* elf/reldep9mod3.c: New file.
2003-01-09 Jakub Jelinek <jakub@redhat.com>
* elf/Makefile: Add rules to build and run nodelete2 test.
* elf/nodelete2.c: New file.
* elf/nodel2mod1.c: New file.
* elf/nodel2mod2.c: New file.
* elf/nodel2mod3.c: New file.
2003-01-09 Jakub Jelinek <jakub@redhat.com>
members to the end, so a libpthread compiled with !USE_TLS will still
find other members properly.
* sysdeps/i386/i486/bits/string.h (__strcpy_g): Add dummy output
operand for DEST memory. Fix dummy input operand to use SRC.
Reported by Davin McCall <davmac@ozonline.com.au>.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Account for TCB
alignment when initializing the DTV entry.
* elf/dl-load.c (_dl_map_object_from_fd): If we hit a TLS segment
when TLS has not been set up, try to set it up if we can.
* elf/tst-tls4.c: Revert last change.
* elf/tst-tls5.c: Likewise.
* elf/tst-tls6.c: Likewise.
* elf/tst-tls7.c: Likewise.
* elf/tst-tls8.c: Likewise.
* elf/tst-tls9.c: Likewise.
* sysdeps/generic/dl-tls.c [SHARED] (_dl_tls_setup): New function.
* sysdeps/generic/ldsodefs.h: Declare it.
* elf/Versions (ld: GLIBC_PRIVATE): Add it.
* sysdeps/generic/libc-tls.c (init_slotinfo): New static inline
function, broken out of __libc_setup_tls.
(init_static_tls): Likewise.
(__libc_setup_tls): Call them.
(_dl_tls_setup): New function, uses new subroutines.
* elf/dl-close.c (free_slotinfo): Make argument pointer to pointer.
Clear the pointer when returning true.
(libc_freeres_fn) [SHARED]: If GL(dl_initial_dtv) is null, free the
first element of the slotinfo list too.
* sysdeps/generic/dl-tls.c (_dl_determine_tlsoffset): Define only if
[SHARED].
* sysdeps/generic/ldsodefs.h (_dl_next_tls_modid): Declare as hidden.
(_dl_determine_tlsoffset): Likewise.
* elf/rtld.c (_dl_initial_error_catch_tsd): Renamed from
startup_error_tsd, made global.
(dl_main): Update initialization.
* elf/dl-tsd.c: Likewise.
* sysdeps/generic/ldsodefs.h: Declare it.
slotinfo list's len member to the proper size, not just 1.
Initialize static_map.l_tls_initimage.
* elf/dl-open.c (dl_open_worker): Fix loop searching for
dtv_slotinfo_list element containing new modules' l_tls_modid.
* elf/tst-tls9.c, elf/tst-tls9-static.c: New files.
* elf/tst-tlsmod5.c, elf/tst-tlsmod6.c: New files.
* elf/Makefile (tests): Add tst-tls9.
(tests-static): Add tst-tls9-static.
(tst-tls9-static-ENV): New variable.
($(objpfx)tst-tls9-static, $(objpfx)tst-tls9-static.out): New targets.
* elf/dl-close.c (remove_slotinfo): Remove an assert; the number of
modids used by partially loaded modules being closed can't be known.
* elf/dl-close.c (remove_slotinfo): Take new argument. If false,
allow IDX to be one past the current last slotinfo entry.
(_dl_close): Pass IMAP->l_init_called for that parameter.
* elf/dl-reloc.c (_dl_relocate_object: CHECK_STATIC_TLS): New macro
to signal error if an IE-model TLS reloc resolved to a dlopen'd module.
* sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela):
Call it after performing TPOFF relocs.
* sysdeps/x86_64/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/sh/dl-machine.h (elf_machine_rela): Likewise.
* elf/dl-conflict.c (CHECK_STATIC_TLS): New macro (no-op).
* elf/dl-close.c (remove_slotinfo): Change asserts so as not to crash
when closing a partially-initialized object.
* elf/dl-load.c (_dl_map_object_from_fd) [! USE_TLS]: Call lose
instead of _dl_fatal_printf when we see PT_TLS.
* elf/dl-close.c (remove_slotinfo): New function. Handles everything
for removing reference of module in slotinfo list.
(_dl_close): Use remove_slotinfo.
* sysdeps/generic/dl-tls.c: General pretty printing.
(oom): Define only if SHARED.
(_dl_next_tls_modid): Correct starting point for the case we assume
there is a gap. Add missing instruction grouping (doh!). Correct
tests for reaching maximum index.
* elf/Makefile: Add rules to build and run tst-tls7.
* elf/tst-tls7.c: New file.
* elf/tst-tlsmod3.c: New file.
* elf/tst-tlsmod1.c: Move #include "tls-macros.h" instead #ifdef
USE_TLS.
* elf/tst-tlsmod2.c: Likewise.
* elf/dl-close.c (_dl_close): When closing an object using TLS
either decrement dl_tls_max_dtv_idx or set dl_tls_dtv_gaps to
true. Increment dl_tls_generation only if we closed any TLS-using
object.
* elf/tst-tls6.c: New file.
* elf/Makefile: Add rules to build and run tst-tls6.
2002-02-13 Ulrich Drepper <drepper@redhat.com>
* elf/dl-close.c (_dl_close): Implement freeing entries in the
slotinfo array.
(free_mem): Free memory for the slotinfo array if possible.
2001-09-08 Ulrich Drepper <drepper@redhat.com>
* elf/dl-object.c: Avoid allocating extra memory block for name.
* elf/dl-close.c (_dl_close): Don't free l_libname if it is no
allocated separately.
* elf/dl-load.c (_dl_map_object_from_fd): Likewise.
2001-09-08 Ulrich Drepper <drepper@redhat.com>
* elf/dl-close.c (_dl_close): If object has no r_list (i.e., wasn't
loaded directly) determine length if l_initfini list by iterating
over its elements. Minor optimizations.
* elf/dl-deps.c (_dl_map_object_deps): Always add own map to l_initfini
for dependency objects.
If object was already loaded check whether any of the dependencies
is already on the relocation dependency list. If yes, remove the
latter. Minor optimizations.
* elf/dl-lookup.c (add_dependency): Add check for self reference of
maps here. Search l_initfini list only if the object was loaded
directly and not only as a dependency.
(_dl_lookup_symbol): Add relocation dependency also if object
is not in global scope. Remove test for self-reference here.
(_dl_lookup_versioned_symbol): Likewise.
* elf/dl-object (_dl_new_object): Cleanup. Initialize dont_free
element of first name record.
* elf/loadtest.c: Add some more test to recognize early if an object
wasn't unloaded.
* elf/Makefile: Add rules to build and run reldep5.
* elf/reldep5.c: New file.
* elf/reldepmod5.c: New file.
* elf/reldepmod6.c: New file.
* elf/reldep2.c: Fix typo.
* elf/dl-object.c (_dl_new_object): Initialize l_scope and l_scope_max.
2001-09-07 Ulrich Drepper <drepper@redhat.com>
* include/link.h (struct link_map): Add l_scope_mem and l_scope_max
elements. Change l_scope to be a pointer only.
* elf/dl-object.c (_dl_new_ojbect): Initialize l_scope and l_scope_max.
* elf/dl-open.c (dl_open_worker): If dependency wasn't just opened
here add searchlist of newly open file to the dependency's scope.
* elf/dl-close.c (_dl_close): If dependency is used otherwise remove
only searchlist from its scope. Free own scope array if necessary.
* elf/Makefile (tests): Add dblload and dblunload now.
__libc_lock_define_recursive.
* elf/dl-open.c: Don't declare it here any more.
* elf/dl-close.c: Likewise.
* elf/dl-lookup.c: Likewise.
* elf/dl-iteratephdr.c: Likewise.
* elf/dl-lookup.c (add_dependency): Use __libc_lock_lock_recursive and
__libc_lock_unlock_recursive.
* elf/dl-close.c (_dl_close): Likewise
* elf/dl-iteratephdr.c (__dl_iterate_phdr): Likewise
* elf/dl-open.c (_dl_open): Likewise
* sysdeps/generic/bits/libc-lock.h
(__libc_lock_define_recursive): New macro.
* sysdeps/generic/bits/stdio-lock.h (_IO_lock_t): Use it.
(_IO_lock_lock): Use __libc_lock_lock_recursive.
(_IO_lock_unlock): Use __libc_lock_unlock_recursive.
2001-07-06 Paul Eggert <eggert@twinsun.com>
* manual/argp.texi: Remove ignored LGPL copyright notice; it's
not appropriate for documentation anyway.
* manual/libc-texinfo.sh: "Library General Public License" ->
"Lesser General Public License".
2001-07-06 Andreas Jaeger <aj@suse.de>
* All files under GPL/LGPL version 2: Place under LGPL version
2.1.
2000-12-30 Ulrich Drepper <drepper@redhat.com>
* elf/dl-close.c (_dl_close): We can ignore the NODELETE flag if the
object was not yet initialized.
2000-12-28 H.J. Lu <hjl@gnu.org>
* elf/dl-deps.c (_dl_map_object_deps): Make sure the DSO state
is always consistent even if its dependency is failed.
* elf/dl-open.c (_dl_open): Increment the open count before
calling _dl_close () in case of failure.
* elf/neededtest4.c: New file.
* elf/neededobj5.c: New file.
* elf/neededobj6.c: New file.
* elf/Makefile (distribute): Add neededobj5.c and neededobj6.c.
(tests): Add neededtest4.
(modules-names): Add neededobj5 and neededobj6.
($(objpfx)neededobj6.so): New target.
($(objpfx)neededtest4): New target.
($(objpfx)neededtest4.out): New target.
2000-11-15 H.J. Lu <hjl@gnu.org>
* sysdeps/generic/ldsodefs.h (DL_DT_INIT_ADDRESS): Defined if
ELF_FUNCTION_PTR_IS_SPECIAL is not defined.
(DL_DT_FINI_ADDRESS): Likewise.
* sysdeps/ia64/dl-lookupcfg.h (_dl_lookup_address): Set the
return type to ElfW(Addr).
(_dl_function_address): New prototype.
(DL_FUNCTION_ADDRESS): Defined.
(DL_DT_INIT_ADDRESS): Defined as DL_FUNCTION_ADDRESS.
(DL_DT_FINI_ADDRESS): Likewise.
* sysdeps/ia64/Versions (GLIBC_2.2): Add _dl_function_address.
* sysdeps/ia64/dl-machine.h (_dl_start_address): Removed.
(ELF_MACHINE_START_ADDRESS): Changed to DL_FUNCTION_ADDRESS.
* sysdeps/ia64/dl-symaddr.c (_dl_start_address): Renamed to ...
(_dl_function_address): This.
* elf/dl-fini.c (_dl_fini): Use DL_DT_FINI_ADDRESS to get the
function pointer for DT_FINI.
* elf/dl-close.c (_dl_close): Likewise.
* elf/dl-init.c (_dl_init): Use DL_DT_INIT_ADDRESS to get the
function pointer for DT_INIT.
2000-11-16 Jakub Jelinek <jakub@redhat.com>
* sysdeps/generic/printf_fphex.c (__printf_fphex): Compute correctly
end of wexpbuf buffer.
* elf/dl-close.c (_dl_close): Don't free memory for global scope
list immediately when empty. Move code to...
(free_mem): ...here. Called as part of __libc_subfreeres list.
