| Commit message (Collapse) | Author | Age | Files | Lines |
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Since tile support has been removed from the Linux kernel for 4.17,
this patch removes the (unmaintained) port to tilegx from glibc (the
tilepro support having been previously removed). This reflects the
general principle that a glibc port needs upstream support for the
architecture in all the components it build-depends on (so binutils,
GCC and the Linux kernel, for the normal case of a port supporting the
Linux kernel but no other OS), in order to be maintainable.
Apart from removal of sysdeps/tile and sysdeps/unix/sysv/linux/tile,
there are updates to various comments referencing tile for which
removal of those references seemed appropriate. The configuration is
removed from README and from build-many-glibcs.py. contrib.texi keeps
mention of removed contributions, but I updated Chris Metcalf's entry
to reflect that he also contributed the non-removed support for the
generic Linux kernel syscall interface.
__ASSUME_FADVISE64_64_NO_ALIGN support is removed, as it was only used
by tile.
* sysdeps/tile: Remove.
* sysdeps/unix/sysv/linux/tile: Likewise.
* README (tilegx-*-linux-gnu): Remove from list of supported
configurations.
* manual/contrib.texi (Contributors): Mention Chris Metcalf's
contribution of support for generic Linux kernel syscall
interface.
* scripts/build-many-glibcs.py (Context.add_all_configs): Remove
tilegx configurations.
(Config.install_linux_headers): Do not handle tile.
* sysdeps/unix/sysv/linux/aarch64/ldsodefs.h: Do not mention Tile
in comment.
* sysdeps/unix/sysv/linux/nios2/Makefile: Likewise.
* sysdeps/unix/sysv/linux/posix_fadvise.c: Likewise.
[__ASSUME_FADVISE64_64_NO_ALIGN] (__ALIGNMENT_ARG): Remove
conditional undefine and redefine.
* sysdeps/unix/sysv/linux/posix_fadvise64.c: Do not mention Tile
in comment.
[__ASSUME_FADVISE64_64_NO_ALIGN] (__ALIGNMENT_ARG): Remove
conditional undefine and redefine.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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With tilepro removal, the uppercase instruction are not anymore
required to be defines as potentially macros. This is a
mechanical change done by the following shell script:
---
INSNS="LD LD4U ST ST4 BNEZ BEQZ BEQZT BGTZ CMPEQI CMPEQ CMOVEQZ CMOVNEZ"
FILES=$(find sysdeps/tile sysdeps/unix/sysv/linux/tile -iname *.S)
for insn in $INSNS; do
repl=$(echo $insn | tr '[:upper:]' '[:lower:]')
sed -i 's/\b'$insn'\b/'$repl'/g' $FILES
done
---
Checked with a build for tilegx-linux-gnu and tilegx-linux-gnu-32 with
and without the patch, there is no difference in generated binary with
a dissassemble.
* sysdeps/tile/__longjmp.S (__longjmp): Use lowercase instructions.
* sysdeps/tile/__tls_get_addr.S (__tls_get_addr): Likewise.
* sysdeps/tile/_mcount.S (__mcount): Likewise.
* sysdeps/tile/crti.S (_init, _fini): Likewise.
* sysdeps/tile/crtn.S: Likewise.
* sysdeps/tile/dl-start.S (_start): Likewise.
* sysdeps/tile/dl-trampoline.S: Likewise.
* sysdeps/tile/setjmp.S (__sigsetjmp): Likewise.
* sysdeps/tile/start.S (_start): Likewise.
* sysdeps/unix/sysv/linux/tile/clone.S (_clone): Likewise.
* sysdeps/unix/sysv/linux/tile/getcontext.S (__getcontext): Likewise.
* sysdeps/unix/sysv/linux/tile/ioctl.S (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/tile/setcontext.S (__setcontext): Likewise.
* sysdeps/unix/sysv/linux/tile/swapcontext.S (__swapcontext): Likewise.
* sysdeps/unix/sysv/linux/tile/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/tile/vfork.S (__vfork): Likewise.
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As from previous discussions [1] this patch removes tileprox-*-linux-gnu
support from GLIBC. This patch is a straigthfoward one, which just remove
tilepro specific implementation and configurations (no sysdep simplfication
or reorganization is done).
* README: Remove tilepro-*-linux-gnu from supported architecture.
* scripts/build-many-glibcs.py: Likewise.
* sysdeps/tile/__tls_get_addr.S (__tls_get_addr): Likewise.
* sysdeps/tile/crti.S (PREINIT_FUNCTION): Likewise.
* sysdeps/tile/dl-machine.h (ELF_MACHINE_NAME,
elf_machine_matches_host, elf_machine_dynamic,
elf_machine_load_address, elf_machine_runtime_setup, reloc_howto
howto, elf_machine_rela): Likewise
* sysdeps/tile/dl-start.S (_start): Likewise.
* sysdeps/tile/memcmp.c (DBLALIGN, REVBYTES): Likewise.
* sysdeps/tile/memcopy.h (MEMCPY_OK_FOR_FWD_MEMMOVE,
MEMCPY_OK_FOR_FWD_MEMMOVE, op_t): Likewise.
* sysdeps/tile/nptl/pthread_spin_lock.c (TNS, CMPTNS): Likewise.
* sysdeps/tile/nptl/pthread_spin_trylock.c (TNS): Likewise.
* sysdeps/tile/nptl/pthread_spin_unlock.c (pthread_spin_unlock):
Likewise.
* sysdeps/tile/nptl/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/tile/preconfigure: Likewise.
* sysdeps/tile/stackguard-macros.h (STACK_CHK_GUARD,
POINTER_CHK_GUARD): Likewise.
* sysdeps/tile/stackinfo.h (__stackinfo_sub): Likewise.
* sysdeps/tile/start.S (_start): Likewise.
* sysdeps/tile/tls-macros.h (TLS_GD_OFFSET, TLS_IE_OFFSET, _TLS_LE):
Likewise.
* sysdeps/tile/sysdep.h (REGSIZE): Likewise.
(LD, LD4U, ST, ST4, BNEZ, BEQZ, BEQZT, BGTZ, CMPEQI, CMPEQ, CMOVEQZ,
CMOVNEZ): Remove.
* sysdeps/unix/sysv/linux/tile/bits/environments.h
(__ILP32_OFF32_CFLAGS, __ILP32_OFFBIG_CFLAGS, __ILP32_OFF32_LDFLAGS,
__ILP32_OFFBIG_LDFLAGS, __LP64_OFF64_CFLAGS, __LP64_OFF64_LDFLAGS):
Likewise.
* sysdeps/tile/wordcopy.c (DBLALIGN): Likewise.
* sysdeps/tile/tilepro/Implies: Remove file.
* sysdeps/tile/tilepro/atomic-machine.h: Likewise.
* sysdeps/tile/tilepro/bits/wordsize.h: Likewise.
* sysdeps/tile/tilepro/memchr.c: Likewise.
* sysdeps/tile/tilepro/memcpy.S: Likewise.
* sysdeps/tile/tilepro/memset.c: Likewise.
* sysdeps/tile/tilepro/memusage.h: Likewise.
* sysdeps/tile/tilepro/rawmemchr.c: Likewise.
* sysdeps/tile/tilepro/strchr.c: Likewise.
* sysdeps/tile/tilepro/strchrnul.c: Likewise.
* sysdeps/tile/tilepro/strlen.c: Likewise.
* sysdeps/tile/tilepro/strrchr.c: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/Implies: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/c++-types.data: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/ldconfig.h: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/register-dump.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysconf.c (linux_sysconf): Remove
tilepro mention in comment.
[1] https://sourceware.org/ml/libc-alpha/2017-12/msg00038.html
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Continuing the removal of the obsolete INTDEF / INTUSE mechanism, this
patch eliminates its use for _dl_init. Since _dl_init was already
declared with hidden visibility, creating a second hidden alias for it
was completely pointless, so this patch replaces all uses of
_dl_init_internal with plain _dl_init instead of using hidden_proto /
hidden_def (which are only needed when you want a hidden alias for a
non-hidden symbol; it's quite possible there are cases where they are
used but don't need to be because the symbol in question is not part
of the public ABI and is only used within a single library, so using
attributes_hidden instead would suffice).
Tested for x86_64 that installed stripped shared libraries are
unchanged by the patch.
[BZ #14132]
* elf/dl-init.c (_dl_init): Don't use INTDEF.
* sysdeps/aarch64/dl-machine.h (RTLD_START): Use _dl_init instead
of _dl_init_internal.
* sysdeps/alpha/dl-machine.h (RTLD_START): Likewise.
* sysdeps/arm/dl-machine.h (RTLD_START): Likewise.
* sysdeps/hppa/dl-machine.h (RTLD_START): Likewise.
* sysdeps/i386/dl-machine.h (RTLD_START): Likewise.
* sysdeps/ia64/dl-machine.h (RTLD_START): Likewise.
* sysdeps/m68k/dl-machine.h (RTLD_START): Likewise.
* sysdeps/microblaze/dl-machine.h (RTLD_START): Likewise.
* sysdeps/mips/dl-machine.h (RTLD_START): Likewise.
* sysdeps/powerpc/powerpc32/dl-start.S (_start): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (RTLD_START): Likewise.
* sysdeps/s390/s390-64/dl-machine.h (RTLD_START): Likewise.
* sysdeps/sh/dl-machine.h (RTLD_START): Likewise.
* sysdeps/sparc/sparc32/dl-machine.h (RTLD_START): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (RTLD_START): Likewise.
* sysdeps/tile/dl-start.S (_start): Likewise.
* sysdeps/x86_64/dl-machine.h (RTLD_START): Likewise.
* sysdeps/x86_64/x32/dl-machine.h (RTLD_START): Likewise.
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I've moved the TILE-Gx and TILEPro ports to the main sysdeps hierarchy,
along with the linux-generic ports infrastructure. Beyond the README
update, the move was just
git mv ports/sysdeps/tile sysdeps/tile
git mv ports/sysdeps/unix/sysv/linux/tile \
sysdeps/unix/sysv/linux/tile
git mv ports/sysdeps/unix/sysv/linux/generic \
sysdeps/unix/sysv/linux/generic
I updated the relevant ChangeLogs along the lines of the ARM move
in commit c6bfe5c4d75 and tested the 64-bit tilegx build to confirm that
there were no changes in "objdump -dr" output in the shared objects.
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