* configure.in: Add --enable-stackguard-randomization option.
(ENABLE_STACKGUARD_RANDOMIZE): New define.
* config.h.in (ENABLE_STACKGUARD_RANDOMIZE): Add.
* sysdeps/unix/sysv/linux/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* sysdeps/generic/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* elf/rtld.c (__stack_chk_guard): New variable.
(dl_main): Remove all traces of TLS_INIT_TP_EXPENSIVE.
Set __stack_chk_guard to _dl_setup_stack_chk_guard (),
use THREAD_SET_STACK_GUARD if defined.
* elf/Versions (ld): Export __stack_chk_guard@@GLIBC_2.4.
* sysdeps/generic/libc-start.c (__stack_chk_guard): New variable.
(__libc_start_main): Set __stack_chk_guard to
_dl_setup_stack_chk_guard (), use THREAD_SET_STACK_GUARD if defined.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Remove all
traces of TLS_INIT_TP_EXPENSIVE.
* debug/Versions (libc): Export __stack_chk_fail@@GLIBC_2.4.
* debug/Makefile (routines): Add stack_chk_fail.
(static-only-routines): Add stack_chk_fail_local.
* debug/stack_chk_fail_local.c: New file.
* debug/stack_chk_fail.c: New file.
* elf/Makefile: Add rules to build and run tst-stackguard1{,-static}
tests.
* elf/tst-stackguard1.c: New file.
* elf/tst-stackguard1-static.c: New file.
* elf/stackguard-macros.h: New file.
2005-06-13 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/clock_gettime.c (clock_gettime): Implement case
where HANDLED_REALTIME is not defined. [BZ #966]
2005-06-13 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/netlinkaccess.h (__netlink_sendreq,
__netlink_receive): Remove prototypes.
(__netlink_request): New prototype.
* sysdeps/unix/sysv/linux/ifaddrs.c: Include <alloca.h> and
<stdint.h>.
(__netlink_sendreq): Make static.
(__netlink_receive): Rename to...
(__netlink_request): ... this. Add type argument, call
__netlink_sendreq. If MSG_TRUNC is set after recvmsg, retry
with a bigger buffer. Don't record buffers that contain no
messages we are expecting.
(getifaddrs): Use __netlink_request instead of __netlink_sendreq
and __netlink_receive pairs. Formatting.
* sysdeps/unix/sysv/linux/if_index.c (if_nameindex_netlink): Use
__netlink_request instead of __netlink_sendreq and __netlink_receive
pair.
2005-06-13 Thorsten Kukuk <kukuk@suse.de>
* sysdeps/unix/sysv/linux/netinet/if_tr.h: Don't include kernel
headers, instead copy important structs/defines.
2005-06-13 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (dl_main): Move DT_DEBUG setup before first
_dl_debug_state call.
real malloc in the catch object.
(_dl_catch_error): Forward information about malloc use to caller
in new parameter.
(_dl_out_of_memory): Make static.
* elf/dl-deps.c: Adjust callers of _dl_catch_error.
* elf/dl-libc.c: Likewise.
* elf/dl-open.c: Likewise.
* elf/rtld.c: Likewise.
Add new --audit option.
* sysdeps/generic/ldsodefs.h: Remove _dl_out_of_memory declaration.
(rtld_global_ro._dl_signal_error): Add new parameter.
* include/dlfcn.h (_dl_catch_error): Add new parameter.
* dlfcn/dlfcn.c (_dlerror_run): Pass additional parameter to
_dl_catch_error. Only free if the returned newly value says so.
(_dl_close): If called recursively, just remember GC needs to be rerun
and decrease l_direct_opencount. Avoid GC if l_direct_opencount
decreased to 1. Rerun GC at the end if any destructor unloaded some
additional libraries.
* elf/Makefile: Add rules to build and run unload6 test.
* elf/unload6.c: New test.
* elf/unload6mod1.c: New file.
* elf/unload6mod2.c: New file.
* elf/unload6mod3.c: New file.
* malloc/hooks.c (mem2chunk_check): Add magic_p argument, set *magic_p
if magic_p is not NULL.
(top_check): Invoke MALLOC_FAILURE_ACTION if MORECORE failed.
(malloc_check): Fail if sz == -1.
(free_check): Adjust mem2chunk_check caller.
(realloc_check): Likewise. Fail if bytes == -1. If bytes == 0 and
oldmem != NULL, call free_check and return NULL. If reallocating
and returning NULL, invert magic byte again to make oldmem valid
region for further checking.
(memalign_check): Fail if bytes == -1.
* malloc/Makefile: Add rules to build and run tst-mcheck.
* malloc/tst-mcheck.c: New test.
(INTERNAL_SYSCALL_ERROR_P): Fix typo in last change.
* sunrpc/xdr.c (xdr_u_int): Use `long' for L and cast where needed.
* elf/dl-load.c: Revert last change.
* elf/tls-macros.h: Add Sparc64 defines.
* sysdeps/sparc/sparc64/dl-machine.h (sparc64_fixup_plt): Mark as
always_inline.
(elf_machine_fixup_plt): Likewise.
(elf_machine_rela): Handle TLS relocations.
(elf_machine_type_cleaa): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
(SYSCALL_ERROR_HANDLER_ENTRY): Use sethi/or for GOT reloc.
It does not always fit in R_SPARC_GOT13 when building -fPIC.
Also, add TLS handling.
* sysdeps/unix/sysv/linux/configure.in (arch_minimum_kernel):
Increase it to 2.4.21 for sparc64.
* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: NULL terminate
backtrace by zero'ing out %fp. Store away flags, func_ptr,
and func_arg in global registers not local registers.
* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Handle PTID, TLS,
and CTID arguments properly. Add RESET_PID handling.
* sysdeps/unix/sysv/linux/sparc/sparc64/pause.c: Rework so that we
do not invoke __sigprocmask(). We can always assume rt signals
are present on sparc64, so just do an inline syscall.
2005-04-13 Jakub Jelinek <jakub@redhat.com>
* sysdeps/sparc/sparc64/dl-machine.h: Add dl_machine_h multiple
inclusion guard for the first half of the header.
(elf_machine_type_class, ELF_MACHINE_JMP_SLOT, ELF_MACHINE_NO_REL,
ELF_MACHINE_PLTREL_OVERLAP, elf_machine_runtime_setup,
elf_machine_relplt, DL_STACK_END, RTLD_START): Move into the
#ifndef dl_machine_h guarded part of the header.
[(NEED_DL_SYSINFO || NEED_DL_SYSINFO_DSO) && SHARED]: Scan
GLRO(dl_sysinfo_map) for PT_NOTE giving Linux kernel version,
we can skip the uname call if it's there.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Don't use
DL_SYSDEP_OSCHECK here.
* elf/rtld.c (dl_main) [DL_SYSDEP_OSCHECK]: Do it here instead.
* sysdeps/generic/ldsodefs.h (struct rtld_global_ro):
Add _dl_sysinfo_map.
* elf/rtld.c (dl_main): Don't call _dl_init_paths early in the
rtld_is_main case. Call it unconditionally later.
Move GLRO(dl_sysinfo_dso) handling earlier, before _dl_init_paths call.
Initialize GLRO(dl_sysinfo_map).
* elf/dl-load.c (open_path): Bail out if _dl_init_paths wasn't called.
* sysdeps/generic/dl-sysdep.c (_DL_FIRST_EXTRA): New macro.
(_dl_important_hwcaps)
[(NEED_DL_SYSINFO || NEED_DL_SYSINFO_DSO) && SHARED]: Scan
GLRO(dl_sysinfo_map) for PT_NOTE giving synthetic hwcap names
and bit values.
* elf/ldconfig.c (_DL_FIRST_EXTRA): New macro.
(hwcap_extra): New static variable.
(is_hwcap_platform): Check hwcap_extra for a matching name.
Remove tls special case.
(path_hwcap): Likewise.
(parse_conf): Parse "hwcap" directive to define synthetic hwcap bits
and their names, stored in hwcap_extra.
(main) [USE_TLS]: Initialize final synthetic hwcap bit as "tls".
* sysdeps/generic/ldsodefs.h (struct rtld_global_ro): Use uint64_t for
_dl_hwcap and _dl_hwcap_mask.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Cast a_val for
AT_HWCAP to unsigned long int.
* elf/dl-support.c (_dl_aux_init): Likewise.
(_dl_hwcap): Update defn.
* elf/cache.c (print_entry): Pad hwcap value with 0s in diagnostic.
* elf/ldconfig.c (search_dir): Likewise.
2005-03-15 Jakub Jelinek <jakub@redhat.com>
[BZ #786]
* sysdeps/generic/dl-tls.c (_dl_next_tls_modid): Handle
GL(dl_tls_static_nelem) == GL(dl_tls_max_dtv_idx).
* elf/Makefile: Add rules to build and run tst-tls15.
* elf/tst-tls15.c: New test.
* elf/tst-tlsmod15a.c: New file.
* elf/tst-tlsmod15b.c: New file.
2005-03-20 Ulrich Drepper <drepper@redhat.com>
* elf/rtld.c (dl_main): Always call init_tls if we have audit modules.
function _dl_sort_fini.
(_dl_sort_fini): New function.
* sysdeps/generic/ldsodefs.h: Declare _dl_sort_fini.
* elf/dl-close.c (_dl_close): Call _dl_sort_fini before running
destructors to call them in the right order.
Change type of l_idx to int.
* elf/dl-close.c: Basically rewrite. Do not use l_opencount to
determine whether a DSO has to be unloaded. Instead compute this
in this function.
* elf/dl-deps.c: No need to manipulate l_opencount anymore.
* elf/dl-lookup.c: Likewise.
* elf/rtld.c: Likewise
* elf/dl-open.c: Likewise. Use l_init_called to determine whether
object was just loaded.
* elf/dl-fini.c: Bump l_direct_opencount instead of l_opencount.
* elf/dl-load.c (_dl_map_object_from_fd): Do not recognize DSO which
is about to be unloaded as a match.
(_dl_map_object): Likewise.
* elf/do-lookup.h (do_lookup_x): Do not look into DSO which is about
to be unloaded.
* elf/circleload1.c: Don't use l_opencount anymore.
* elf/neededtest.c: Likewise.
* elf/neededtest2.c: Likewise.
* elf/neededtest3.c: Likewise.
* elf/neededtest4.c: Likewise.
* elf/unload.c: Likewise.
* elf/unload2.c: Likewise.
* elf/loadtest.c: Likewise.
* elf/rtld.c: Preloading errors are now never fatal.
2005-03-08 Jakub Jelinek <jakub@redhat.com>
* elf/Makefile: Add rules to build and run unload5 test.
* elf/unload5.c: New file.
2005-03-08 Jakub Jelinek <jakub@redhat.com>
* elf/Makefile: Add rules to build and run unload4 test.
* elf/unload4.c: New file.
* elf/unload4mod1.c: New file.
* elf/unload4mod2.c: New file.
* elf/unload4mod3.c: New file.
* elf/unload4mod4.c: New file.
(_dl_out_of_memory): Use rtld_hidden_proto.
* elf/dl-error.c (_dl_out_of_memory): Use rtld_hidden_data_def.
(_dl_signal_error): Don't use INTUSE on _dl_out_of_memory.
* elf/dl-open.c (_dl_open): Likewise.
* elf/dl-deps.c (_dl_map_object_deps): Likewise.
* sunrpc/des_impl.c (des_set_key): Make first argument unsigned char *.
* elf/dl-addr.c (_dl_addr): Add a cast.
* elf/unload3mod4.c: Declare foo.
* elf/testobj2.c: Include <stdio.h>.
* sysdeps/gnu/errlist.awk: Emit NERR macro for _sys_nerr_internal
value constant, and use it in the defn.
* sysdeps/gnu/errlist-compat.awk: Use NERR in array decl.
Use actual size for compat array decls.
* config.make.in (cc-mtune): New substituted variable.
* configure.in (libc_cv_cc_mtune): New test for -mtune= switch,
done only if libc_mtune_example is defined.
* configure: Regenerated.
* sysdeps/i386/configure.in (libc_mtune_example): Set it.
* sysdeps/i386/configure: Regenerated.
* sysdeps/i386/Makefile (CFLAGS-initfini.s): Use $(cc-mtune).
2005-03-01 H.J. Lu <hongjiu.lu@intel.com>
[BZ #776]
* iconv/iconvconfig.c: Fix comment for the output file.
(write_output): Clear padding in header.
2005-03-03 Ulrich Drepper <drepper@redhat.com>
* elf/dl-close.c (_dl_close): Don't try to set up new searchpath if the
loader is closed. Fixes unload3.
* elf/tst-global1.c: New file.
* elf/Makefile (tests): Add tst-global1.
2005-03-03 Jakub Jelinek <jakub@redhat.com>
* elf/Makefile: Add rules to build and run unload3 test.
* elf/unload3.c: New test.
* elf/unload3mod1.c: New file.
* elf/unload3mod2.c: New file.
* elf/unload3mod3.c: New file.
* elf/unload3mod4.c: New file.
