* malloc/hooks.c [_LIBC && (USE___THREAD || (USE_TLS && !SHARED))]
(malloc_starter, memalign_starter, free_starter): Don't define these.
* malloc/malloc.c [_LIBC && (USE___THREAD || (USE_TLS && !SHARED))]:
Don't declare them either.
* malloc/arena.c (ptmalloc_init) [_LIBC && USE_TLS]: Don't call
__pthread_initialize, so no need to set hooks to *_starter.
(ptmalloc_init_minimal): New function, broken out of ptmalloc_init.
[_LIBC && SHARED && USE_TLS && !USE___THREAD]
(__libc_malloc_pthread_startup): New function.
* malloc/Versions (libc: GLIBC_PRIVATE): New set, add that function.
* malloc/hooks.c (memalign_starter): New function.
* malloc/malloc.c: Declare it.
* malloc/arena.c (save_memalign_hook): New variable.
(ptmalloc_init): Set __memalign_hook to memalign_starter.
* elf/dl-minimal.c (free): Clear the memory.
(calloc): Just call malloc, knowing all memory it returns is cleared.
* sysdeps/generic/dl-tls.c (allocate_dtv): Use calloc instead of
malloc and memset; calloc can avoid the zeroing when redundant.
(_dl_tls_setup): Likewise.
* elf/dl-load.c (decompose_rpath): Likewise.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Comment out memset
call, since memory from sbrk at startup is already zero.
* elf/rtld.c (_dl_start, dl_main): TLS_INIT_TP macro now returns an
error string for failure, null for success. Update callers.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Likewise.
* elf/dl-load.c (_dl_map_object_from_fd): Likewise.
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.
DL_SYSDEP_OSCHECK here.
* sysdeps/unix/sysv/linux/init-first.c (init): Not here.
* sysdeps/unix/sysv/linux/dl-osinfo.h: Include <fcntl.h>.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Bail if
argument TCBSIZE <= TLS_INIT_TCB_SIZE, not just if it's zero.
* sysdeps/generic/dl-tls.c (_dl_allocate_tls_init): Check l_tls_offset
instead of l_type to decide whether to use TLS_DTV_UNALLOCATED.
* include/link.h: Comment typo fix.
2002-12-01 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/bits/posix_opt.h (_POSIX_FSYNC): Set to 200112L.
(_POSIX_SPAWN, _POSIX_MAPPED_FILES, _POSIX_MEMLOCK_RANGE,
_POSIX_MEMORY_PROTECTION): Likewise.
(_POSIX_POLL, _POSIX_SELECT): Removed.
* sysdeps/generic/ldsodefs.h (struct rtld_global): New member
`_dl_tls_static_used'.
* sysdeps/generic/libc-tls.c (_dl_tls_static_used): New variable.
(__libc_setup_tls): Initialize it. Let the initial value of
_dl_tls_static_size indicate some surplus space in the computed value.
* elf/dl-open.c (_dl_tls_static_size): New variable.
* sysdeps/generic/dl-tls.c (_dl_determine_tlsoffset): Initialize
_dl_tls_static_used. Add some surplus space into _dl_tls_static_size.
* elf/dl-reloc.c [USE_TLS] (allocate_static_tls): New function.
(CHECK_STATIC_TLS): Use it.
* elf/dl-close.c (_dl_close): Adjust _dl_tls_static_used when the
closed objects occupied a trailing contiguous chunk of static TLS area.
Adjust TCB pointer before calling free, so we get the whole block.
2002-10-14 Roland McGrath <roland@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/sigaction.c
[HAVE_HIDDEN && !HAVE_BROKEN_VISIBILITY_ATTRIBUTE]: Declare restore_rt
extern using attribute_hidden instead of static, avoids warning.
now-unused dtv slot, reset the slot to TLS_DTV_UNALLOCATED.
* elf/tls-macros.h [__x86_64__] (TLS_GD): Fix the sequence with the
proper set of no-op insn prefixes.
* elf/tst-tls8.c (do_test): Use %zd format for l_tls_modid members.
2002-08-20 Ulrich Drepper <drepper@redhat.com>
* elf/Versions [ld] (GLIBC_PRIVATE): Add _dl_get_tls_static_info.
* sysdeps/generic/dl-tls.c (_dl_allocate_tls_storage): Move dtv
memory allocation to...
(allocate_dtv): ...here. New function.
(_dl_allocate_tls): Change to take parameter. If parameter is non-NULL
call allocate_dtv instead of _dl_allocate_tls_storage.
(_dl_deallocate_tls): New parameter. Deallocate TCB only if true.
(_dl_get_tls_static_info): New function.
* sysdeps/generic/ldsodefs.h: Adjust prototypes of _dl_allocate_tls
and _dl_deallocate_tls. Add prototype for _dl_get_tls_static_info.
start count condition, use TOTAL instead of variable that was never
set. Fix outer loop termination condition to TOTAL >= after update.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Initialize
dl_tls_static_align and dl_tls_static_nelem.
* sysdeps/generic/ldsodefs.h (struct rtld_global): Replace member
`bool _dl_initial_dtv_malloced' with `void *_dl_initial_dtv'.
* elf/rtld.c (dl_main): Set it to the new dtv for the main thread.
* sysdeps/generic/dl-tls.c (__tls_get_addr): When reallocating the
dtv, check if it matches _dl_initial_dtv; if so, malloc and copy the
old data, abandoning the original memory allocated by rtld at startup,
instead of calling realloc normally.
* sysdeps/generic/dl-tls.c (_dl_allocate_tls_storage): New function,
split out of _dl_allocate_tls.
(_dl_allocate_tls_init): Likewise.
(_dl_allocate_tls): Call those.
* sysdeps/generic/ldsodefs.h: Declare them with attribute_hidden.
* elf/rtld.c (dl_main): Call them separately instead of calling
_dl_allocate_tls. Delay _dl_allocate_tls_init until after relocation
is finished, so that the initializer data has been relocated before we
copy it into the main thread's TLS block.
* sysdeps/generic/dl-tls.c (_dl_allocate_tls): Fix off-by-one error in
loop conditions, prevented the last used module from being initialized.
2002-07-23 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/libc-tls.c: New file.
* csu/Makefile (routines): Add libc-tls.
(static-only-routines): Add libc-tls.
* elf/dl-support.c (_dl_phdr): New variable.
(_dl_phnum): New variable.
(_dl_aux_init): Initialize _dl_phdr and _dl_phnum from aux vector.
* sysdeps/generic/libc-start.c (__libc_start_main): Reorganize code
for !SHARED. First look through auxiliary vector. If TLS always
call __pthread_initialize_minimal.
* sysdeps/generic/dl-tls.c (_dl_allocate_tls): Make sure size argument
in mmap call is never zero.
2002-04-08 kaz Kojima <kkojima@rr.iij4u.or.jp>
* elf/elf.h: Define R_SH_TLS_xxx macros.
* elf/rtld.c: Remove an extra parenthesis.
* elf/tls-macros.h: Define SH version TLS_LE, TLS_IE, TLS_LD and
TLS_GD macros.
* sysdeps/generic/dl-tls.c: Add a missing semi-colon.
* sysdeps/sh/dl-lookupcfg.h: New file.
* sysdeps/sh/dl-tls.h: New file.
* sysdeps/sh/dl-machine.h (elf_machine_type_class): Set
ELF_RTYPE_CLASS_PLT also for the three TLS relocations.
(elf_machine_rela): Handle R_SH_TLS_DTPMOD32, R_SH_TLS_DTPOFF32 and
R_SH_TLS_TPOFF32 relocations.
* 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.
2002-02-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/dl-tls.c (TLS_DTV_UNALLOCATED): Renamed from
TLS_DTV_UNALLOCATE.
(oom): New function.
(_dl_next_tls_modid): Rewrite to handle dl_tls_dtv_slotinfo_list.
(_dl_determine_tlsoffset): Likewise.
(_dl_allocate_tls): Likewise.
(__TLS_GET_ADDR): Define if not already defined.
(_dl_tls_symaddr): New function.
(allocate_and_init): New function.
(__tls_get_addr): Actually implement handling of generation counter
and deferred allocation.
* sysdeps/generic/ldsodefs.h (_rtld_global): Remove _dl_initimage_list,
add _dl_tls_dtv_slotinfo_list, _dl_tls_static_nelem, and
_dl_tls_generation.
Define TLS_SLOTINFO_SURPLUS and DTV_SURPLUS.
Declare _dl_tls_symaddr.
* sysdeps/i386/dl-tls.h: Disable __tls_get_addr handling unless
SHARED.
* include/link.h (struct link_map): Remove l_tls_nextimage and
l_tls_previmage.
* elf/dl-sym.c (_dl_sym): After successful lookup call _dl_tls_symaddr
instead of DL_SYMBOL_ADDRESS for STT_TLS symbols.
(_dl_vsym): Likewise.
* elf/rtld.c (_dl_start_final): Adjust initdtv initialization for new
layout.
(dl_main): Allow PT_TLS be present for empty segment. Remove
nextimage list handling. Instead add all modules using TLS to
dl_tls_dtv_slotinfo_list.
* elf/dl-open.c (dl_open_worker): After successfully loading all
objects add those with TLS to the dl_tls_dtv_slotinfo_list list.
* elf/dl-load.c (_dl_map_object_from_fd): If PT_TLS entry is for an
empty segment don't do anything. Remove handling of initimage list.
* elf/Versions [ld] (GLIBC_2.0): Add __libc_memalign.
(GLIBC_PRIVATE): Add _dl_tls_symaddr.
* elf/dl-minimal.c: Define __libc_memalign.
* elf/dl-support.c: Remove _dl_initimage_list. Add
_dl_tls_dtv_slotinfo_list, _dl_tls_static_nelem, and
_dl_tls_generation.
* include/stdlib.h: Declare __libc_memalign.
* elf/Makefile: Add rules to build and run tst-tls4 and tst-tls5.
* elf/tst-tls4.c: New file.
* elf/tst-tls5.c: New file.
* elf/tst-tlsmod2.c: New file.
* elf/tls-macros.h: asms using ___tls_get_addr destroy %ecx and %edx.
* elf/tst-tlsmod1.c: Don't define variables unles USE_TLS.
* elf/tst-tls1.c: Use test-skeleton.c.
* elf/tst-tls2.c: Likewise.
* elf/tst-tls3.c: Likewise.
* elf/dl-conflict.c (RESOLVE_MAP): Return NULL not 0.
* sysdeps/mips/machine-gmon.h: Update MCOUNT for current GCC behavior.
* sysdeps/generic/dl-tls.c (_dl_determine_tlsoffset): More changes
required by passing pointer to last element of the list.
* elf/dl-load.c (_dl_map_object_from_fd): Move adjustment of
l_tls_initimage to a place where it actually is performed.
* elf/tls-macros.h: ...here. New file.
* elf/Makefile (tests): Add tst-tls1.
* elf/tst-tls1.c: New file.
* sysdeps/generic/dl-tls.c (_dl_determine_tlsoffset): Don't handle
alignment of TCB for now.
* elf/rtld.c (dl_main): Use p_vaddr as address of TLS
initialization image for the application itself.
loop to initialize TLS block.
2002-02-09 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/dl-tls.c (_dl_allocate_tls): Correctly terminate
loop to initial TLS block.
* csu/version.c (banner): If TLS support is available say so.
2002-02-08 Ulrich Drepper <drepper@redhat.com>
* elf/rtld.c (_dl_start_final): Install DTV explicitly.
(dl_main): Move dtv/static TLS handling before relocation.
Unconditionally call _dl_tlsoffset. Call _dl_allocate_tls and
TLS_INIT_TP to allocate and install the dtv/static TLS block.
* sysdeps/generic/dl-tls.c (_dl_determine_tlsoffset): If no object
so far uses TLS initialize GL(dl_tls_static_size) and
GL(dl_tls_static_align) to account for the TCB.
(_dl_allocate_tls): New function.
* sysdeps/generic/ldsodefs.h (rtld_global): Add
_dl_initial_dtv_malloced.
* configure.in: Test for __builtin_memset more realistically.
* csu/version.c (banner): If TLS support available say so.
2002-02-07 Andreas Schwab <schwab@suse.de>
* configure.in: Fix check for -zcombreloc.
2002-02-06 H.J. Lu <hjl@gnu.org>
* config.h.in (HAVE_BUILTIN_MEMSET): New.
* configure.in: Check if __builtin_memset really works.
* elf/rtld.c (_dl_start): Check HAVE_BUILTIN_MEMSET instead of
__GNUC_PREREQ (2, 96) before using __builtin_memset.
2002-02-06 Jakub Jelinek <jakub@redhat.com>
* io/bug-ftw3.c (main): Don't try the test if root.
2002-02-06 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/unix/sysv/linux/s390/brk.c (__brk): Correct inline assembly
constraints.
* sysdeps/unix/sysv/linux/s390/s390-32/bits/resource.h (RLIMIT_LOCKS):
Add RLIMIT_LOCKS and adjust RLIMIT_NLIMITS.
* sysdeps/unix/sysv/linux/s390/s390-64/bits/resource.h (RLIMIT_LOCKS):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (clone): Make clone
a weak alias for __clone.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (clone): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/profil-counter.h: Fix typo.
* sysdeps/unix/sysv/linux/s390/s390-64/Makefile: Add framestate.
* sysdeps/unix/sysv/linux/s390/s390-64/Versions: New file.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap64): Make __mmap
a weak alias for __mmap64.
* sysdeps/mips/atomicity.h (exchange_and_add): Not use branch likely.
* sysdeps/unix/sysv/linux/mips/sys/tas.h (_test_and_set): Likewise.
* sysdeps/generic/dl-tls.c: Don't read TLS header if TLS is not needed.
2002-02-07 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/dl-tls.c (_dl_determine_tlsoffset): Account for
alignment of the TCB and store total size and alignment of static
TLS block in _dl_tls_static_size and _dl_tls_static_align.
tls_index is a typedef.
* sysdeps/generic/ldsodefs.h: Declare _dl_tls_static_size and
_dl_tls_static_align.
* sysdeps/i386/dl-tls.h: tls_index is a typedef.
* elf/dl-support.c: Define _dl_tls_static_size and
_dl_tls_static_align.
2002-02-06 Ulrich Drepper <drepper@redhat.com>
* Versions.def [ld]: Add GLIBC_2.3.
* elf/Versions [ld]: Add __tls_get_addr to GLIBC_2.3.
* elf/Makefile (dl-routines): Add dl-tls.
(distribute): Add dl-tls.h.
* sysdeps/generic/ldsodefs.h (struct rtld_global): Remove
_dl_tls_module_cnt, add _dl_tls_max_dtv_idx and _dl_tls_dtv_gaps.
Add prototypes for _dl_next_tls_modid and _dl_determine_tlsoffset.
* elf/dl-load.c (_dl_map_object_from_fd): Store alignment requirement
along with the other info in the link map. Change queueing of init
images for double linked list. Use _dl_next_tls_modid to compute
l_tls_modid.
* elf/rtld.c (_dl_start_final): Store alignment requirement
along with the other info in rtld map and executable map.
(dl_main): Add ld.so to the init image list if necessary. Compute
final module ID with _dl_next_tls_modid.
* include/link.h (struct link_map): Add l_tls_previmage and
l_tls_align.
* eld/dl-support.c: Define _dl_tls_max_dtv_idx and _dl_tls_dtv_gaps.
* sysdeps/i386/elf/Versions: New file.
* sysdeps/generic/dl-tls.c: New file.
* sysdeps/generic/dl-tls.h: New file.
* sysdeps/i386/dl-tls.h: New file.
attribute((packed)) to counter stupid people misusing gcc options.
