| Message ID | 20200615201441.31820-12-vgupta@synopsys.com |
|---|---|
| State | New |
| Headers | show |
| Series | glibc port to ARC processors | expand |
On 15/06/2020 17:14, Vineet Gupta via Libc-alpha wrote: > --- > config.h.in | 3 + > sysdeps/arc/Implies | 3 + > sysdeps/arc/Makefile | 21 +++ > sysdeps/arc/Versions | 8 + > sysdeps/arc/configure | 182 +++++++++++++++++++++ > sysdeps/arc/configure.ac | 26 +++ > sysdeps/arc/nptl/Makefile | 22 +++ > sysdeps/arc/preconfigure | 14 ++ > sysdeps/unix/sysv/linux/arc/Implies | 3 + > sysdeps/unix/sysv/linux/arc/Makefile | 29 ++++ > sysdeps/unix/sysv/linux/arc/Versions | 16 ++ > sysdeps/unix/sysv/linux/arc/configure | 4 + > sysdeps/unix/sysv/linux/arc/configure.ac | 4 + > sysdeps/unix/sysv/linux/arc/ldconfig.h | 27 +++ > sysdeps/unix/sysv/linux/arc/shlib-versions | 7 + LGTM, thanks. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> > 15 files changed, 369 insertions(+) > create mode 100644 sysdeps/arc/Implies > create mode 100644 sysdeps/arc/Makefile > create mode 100644 sysdeps/arc/Versions > create mode 100644 sysdeps/arc/configure > create mode 100644 sysdeps/arc/configure.ac > create mode 100644 sysdeps/arc/nptl/Makefile > create mode 100644 sysdeps/arc/preconfigure > create mode 100644 sysdeps/unix/sysv/linux/arc/Implies > create mode 100644 sysdeps/unix/sysv/linux/arc/Makefile > create mode 100644 sysdeps/unix/sysv/linux/arc/Versions > create mode 100644 sysdeps/unix/sysv/linux/arc/configure > create mode 100644 sysdeps/unix/sysv/linux/arc/configure.ac > create mode 100644 sysdeps/unix/sysv/linux/arc/ldconfig.h > create mode 100644 sysdeps/unix/sysv/linux/arc/shlib-versions > > diff --git a/config.h.in b/config.h.in > index 831eca2fe14e..2ed684b7d4e4 100644 > --- a/config.h.in > +++ b/config.h.in > @@ -109,6 +109,9 @@ > /* AArch64 big endian ABI */ > #undef HAVE_AARCH64_BE > > +/* ARC big endian ABI */ > +#undef HAVE_ARC_BE > + > /* C-SKY ABI version. */ > #undef CSKYABI > Ok. > diff --git a/sysdeps/arc/Implies b/sysdeps/arc/Implies > new file mode 100644 > index 000000000000..780c4e246769 > --- /dev/null > +++ b/sysdeps/arc/Implies > @@ -0,0 +1,3 @@ > +wordsize-32 > +ieee754/flt-32 > +ieee754/dbl-64 Ok. > diff --git a/sysdeps/arc/Makefile b/sysdeps/arc/Makefile > new file mode 100644 > index 000000000000..d5a702e29e58 > --- /dev/null > +++ b/sysdeps/arc/Makefile > @@ -0,0 +1,21 @@ > +# ARC Makefile > +# Copyright (C) 2020 Free Software Foundation, Inc. > +# This file is part of the GNU C Library. > + > +# The GNU C Library is free software; you can redistribute it and/or > +# modify it under the terms of the GNU Lesser General Public > +# License as published by the Free Software Foundation; either > +# version 2.1 of the License, or (at your option) any later version. > + > +# The GNU C Library is distributed in the hope that it will be useful, > +# but WITHOUT ANY WARRANTY; without even the implied warranty of > +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > +# Lesser General Public License for more details. > + > +# You should have received a copy of the GNU Lesser General Public > +# License along with the GNU C Library. If not, see > +# <https://www.gnu.org/licenses/>. > + > +# We don't support long doubles as a distinct type. We don't need to set > +# this variable; it's here mostly for documentational purposes. > +long-double-fcts = no Ok. > diff --git a/sysdeps/arc/Versions b/sysdeps/arc/Versions > new file mode 100644 > index 000000000000..6ac7b8e49505 > --- /dev/null > +++ b/sysdeps/arc/Versions > @@ -0,0 +1,8 @@ > +libc { > + GLIBC_2.32 { > + __mcount; > + } > + GLIBC_PRIVATE { > + __syscall_error; > + } > +} Ok. > diff --git a/sysdeps/arc/configure b/sysdeps/arc/configure > new file mode 100644 > index 000000000000..bce7d3c3773d > --- /dev/null > +++ b/sysdeps/arc/configure > @@ -0,0 +1,182 @@ > +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! > + # Local configure fragment for sysdeps/arc. > + > +$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h > + > +libc_cv_have_sdata_section=no > + > +# For ARC, historically ; was used for comments and not newline > +# Later # also got added to comment list, but ; couldn't be switched to > +# canonical newline as there's lots of code out there which will break > +libc_cv_asm_line_sep='`' > +cat >>confdefs.h <<_ACEOF > +#define ASM_LINE_SEP $libc_cv_asm_line_sep > +_ACEOF > + > + > +# For big endian ABI, generate a symbol for selecting right dynamic linker > + > + > +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 > +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } > +if ${ac_cv_path_GREP+:} false; then : > + $as_echo_n "(cached) " >&6 > +else > + if test -z "$GREP"; then > + ac_path_GREP_found=false > + # Loop through the user's path and test for each of PROGNAME-LIST > + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR > +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin > +do > + IFS=$as_save_IFS > + test -z "$as_dir" && as_dir=. > + for ac_prog in grep ggrep; do > + for ac_exec_ext in '' $ac_executable_extensions; do > + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" > + as_fn_executable_p "$ac_path_GREP" || continue > +# Check for GNU ac_path_GREP and select it if it is found. > + # Check for GNU $ac_path_GREP > +case `"$ac_path_GREP" --version 2>&1` in > +*GNU*) > + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; > +*) > + ac_count=0 > + $as_echo_n 0123456789 >"conftest.in" > + while : > + do > + cat "conftest.in" "conftest.in" >"conftest.tmp" > + mv "conftest.tmp" "conftest.in" > + cp "conftest.in" "conftest.nl" > + $as_echo 'GREP' >> "conftest.nl" > + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break > + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break > + as_fn_arith $ac_count + 1 && ac_count=$as_val > + if test $ac_count -gt ${ac_path_GREP_max-0}; then > + # Best one so far, save it but keep looking for a better one > + ac_cv_path_GREP="$ac_path_GREP" > + ac_path_GREP_max=$ac_count > + fi > + # 10*(2^10) chars as input seems more than enough > + test $ac_count -gt 10 && break > + done > + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; > +esac > + > + $ac_path_GREP_found && break 3 > + done > + done > + done > +IFS=$as_save_IFS > + if test -z "$ac_cv_path_GREP"; then > + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 > + fi > +else > + ac_cv_path_GREP=$GREP > +fi > + > +fi > +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 > +$as_echo "$ac_cv_path_GREP" >&6; } > + GREP="$ac_cv_path_GREP" > + > + > +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 > +$as_echo_n "checking for egrep... " >&6; } > +if ${ac_cv_path_EGREP+:} false; then : > + $as_echo_n "(cached) " >&6 > +else > + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 > + then ac_cv_path_EGREP="$GREP -E" > + else > + if test -z "$EGREP"; then > + ac_path_EGREP_found=false > + # Loop through the user's path and test for each of PROGNAME-LIST > + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR > +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin > +do > + IFS=$as_save_IFS > + test -z "$as_dir" && as_dir=. > + for ac_prog in egrep; do > + for ac_exec_ext in '' $ac_executable_extensions; do > + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" > + as_fn_executable_p "$ac_path_EGREP" || continue > +# Check for GNU ac_path_EGREP and select it if it is found. > + # Check for GNU $ac_path_EGREP > +case `"$ac_path_EGREP" --version 2>&1` in > +*GNU*) > + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; > +*) > + ac_count=0 > + $as_echo_n 0123456789 >"conftest.in" > + while : > + do > + cat "conftest.in" "conftest.in" >"conftest.tmp" > + mv "conftest.tmp" "conftest.in" > + cp "conftest.in" "conftest.nl" > + $as_echo 'EGREP' >> "conftest.nl" > + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break > + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break > + as_fn_arith $ac_count + 1 && ac_count=$as_val > + if test $ac_count -gt ${ac_path_EGREP_max-0}; then > + # Best one so far, save it but keep looking for a better one > + ac_cv_path_EGREP="$ac_path_EGREP" > + ac_path_EGREP_max=$ac_count > + fi > + # 10*(2^10) chars as input seems more than enough > + test $ac_count -gt 10 && break > + done > + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; > +esac > + > + $ac_path_EGREP_found && break 3 > + done > + done > + done > +IFS=$as_save_IFS > + if test -z "$ac_cv_path_EGREP"; then > + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 > + fi > +else > + ac_cv_path_EGREP=$EGREP > +fi > + > + fi > +fi > +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 > +$as_echo "$ac_cv_path_EGREP" >&6; } > + EGREP="$ac_cv_path_EGREP" > + > + > +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for big endian" >&5 > +$as_echo_n "checking for big endian... " >&6; } > +if ${libc_cv_arc_be+:} false; then : > + $as_echo_n "(cached) " >&6 > +else > + cat confdefs.h - <<_ACEOF >conftest.$ac_ext > +/* end confdefs.h. */ > +#ifdef __BIG_ENDIAN__ > + yes > + #endif > + > +_ACEOF > +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | > + $EGREP "yes" >/dev/null 2>&1; then : > + libc_cv_arc_be=yes > +else > + libc_cv_arc_be=no > +fi > +rm -f conftest* > + > +fi > +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arc_be" >&5 > +$as_echo "$libc_cv_arc_be" >&6; } > +if test $libc_cv_arc_be = yes; then > + # For shlib-versions. > + $as_echo "#define HAVE_ARC_BE 1" >>confdefs.h > + > + config_vars="$config_vars > +default-abi = arcbe" > +else > + config_vars="$config_vars > +default-abi = arcle" > +fi Ok. > diff --git a/sysdeps/arc/configure.ac b/sysdeps/arc/configure.ac > new file mode 100644 > index 000000000000..cb490e47b356 > --- /dev/null > +++ b/sysdeps/arc/configure.ac > @@ -0,0 +1,26 @@ > +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. > +# Local configure fragment for sysdeps/arc. > + > +AC_DEFINE(PI_STATIC_AND_HIDDEN) > +libc_cv_have_sdata_section=no > + > +# For ARC, historically ; was used for comments and not newline > +# Later # also got added to comment list, but ; couldn't be switched to > +# canonical newline as there's lots of code out there which will break > +libc_cv_asm_line_sep='`' > +AC_DEFINE_UNQUOTED(ASM_LINE_SEP, $libc_cv_asm_line_sep) > + > +# For big endian ABI, generate a symbol for selecting right dynamic linker > +AC_CACHE_CHECK([for big endian], > + [libc_cv_arc_be], > + [AC_EGREP_CPP(yes,[#ifdef __BIG_ENDIAN__ > + yes > + #endif > + ], libc_cv_arc_be=yes, libc_cv_arc_be=no)]) > +if test $libc_cv_arc_be = yes; then > + # For shlib-versions. > + AC_DEFINE(HAVE_ARC_BE) > + LIBC_CONFIG_VAR([default-abi], [arcbe]) > +else > + LIBC_CONFIG_VAR([default-abi], [arcle]) > +fi Ok. > diff --git a/sysdeps/arc/nptl/Makefile b/sysdeps/arc/nptl/Makefile > new file mode 100644 > index 000000000000..42be62451749 > --- /dev/null > +++ b/sysdeps/arc/nptl/Makefile > @@ -0,0 +1,22 @@ > +# NPTL makefile fragment for ARC. > +# Copyright (C) 2020 Free Software Foundation, Inc. > +# > +# This file is part of the GNU C Library. > +# > +# The GNU C Library is free software; you can redistribute it and/or > +# modify it under the terms of the GNU Lesser General Public > +# License as published by the Free Software Foundation; either > +# version 2.1 of the License, or (at your option) any later version. > +# > +# The GNU C Library is distributed in the hope that it will be useful, > +# but WITHOUT ANY WARRANTY; without even the implied warranty of > +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > +# Lesser General Public License for more details. > +# > +# You should have received a copy of the GNU Lesser General Public > +# License along with the GNU C Library. If not, see > +# <https://www.gnu.org/licenses/>. > + > +ifeq ($(subdir),csu) > +gen-as-const-headers += tcb-offsets.sym > +endif Ok. > diff --git a/sysdeps/arc/preconfigure b/sysdeps/arc/preconfigure > new file mode 100644 > index 000000000000..a79db0239ae6 > --- /dev/null > +++ b/sysdeps/arc/preconfigure > @@ -0,0 +1,14 @@ > +case "$machine" in > +arc*) > + base_machine=arc > + machine=arc > + > + gccfloat=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | grep __ARC_FPU_| wc -l` > + if test "$gccfloat" != "0"; then > + with_fp_cond=1 > + else > + with_fp_cond=0 > + fi > + ;; > + > +esac Ok. > diff --git a/sysdeps/unix/sysv/linux/arc/Implies b/sysdeps/unix/sysv/linux/arc/Implies > new file mode 100644 > index 000000000000..7f739a0340b6 > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/arc/Implies > @@ -0,0 +1,3 @@ > +arc/nptl > +unix/sysv/linux/generic/wordsize-32 > +unix/sysv/linux/generic > diff --git a/sysdeps/unix/sysv/linux/arc/Makefile b/sysdeps/unix/sysv/linux/arc/Makefile > new file mode 100644 > index 000000000000..25d7bbecac07 > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/arc/Makefile > @@ -0,0 +1,29 @@ > +ifeq ($(subdir),stdlib) > +gen-as-const-headers += ucontext_i.sym > +endif > + > +ifeq ($(subdir),signal) > +sysdep_routines += sigrestorer > +endif > + > +ifeq ($(subdir),misc) > +# MIPS/Tile-style cacheflush routine > +sysdep_headers += sys/cachectl.h > +sysdep_routines += cacheflush > +endif > + > +ifeq ($(subdir),elf) > +ifeq ($(build-shared),yes) > +# This is needed for DSO loading from static binaries. > +sysdep-dl-routines += dl-static > +endif > +endif > + > +abi-variants := arcle arcbe > + > +ifeq (,$(filter $(default-abi),$(abi-variants))) > +$(error Unknown ABI $(default-abi), must be one of $(abi-variants)) > +endif > + > +abi-arcle-condition := !defined __BIG_ENDIAN__ > +abi-arcbe-condition := defined __BIG_ENDIAN__ Ok. > diff --git a/sysdeps/unix/sysv/linux/arc/Versions b/sysdeps/unix/sysv/linux/arc/Versions > new file mode 100644 > index 000000000000..292f1974b02a > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/arc/Versions > @@ -0,0 +1,16 @@ > +ld { > + GLIBC_PRIVATE { > + # used for loading by static libraries > + _dl_var_init; > + } > +} > +libc { > + GLIBC_2.32 { > + _flush_cache; > + cacheflush; > + } > + GLIBC_PRIVATE { > + # A copy of sigaction lives in libpthread, and needs these. > + __default_rt_sa_restorer; > + } > +} Ok. > diff --git a/sysdeps/unix/sysv/linux/arc/configure b/sysdeps/unix/sysv/linux/arc/configure > new file mode 100644 > index 000000000000..56ec14357507 > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/arc/configure > @@ -0,0 +1,4 @@ > +# This file is generated from configure.in by Autoconf. DO NOT EDIT! > + # Local configure fragment for sysdeps/unix/sysv/linux/arc. > + > +arch_minimum_kernel=5.1.0 Ok. > diff --git a/sysdeps/unix/sysv/linux/arc/configure.ac b/sysdeps/unix/sysv/linux/arc/configure.ac > new file mode 100644 > index 000000000000..8af5a12cc248 > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/arc/configure.ac > @@ -0,0 +1,4 @@ > +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. > +# Local configure fragment for sysdeps/unix/sysv/linux/arc. > + > +arch_minimum_kernel=5.1.0 Ok. > diff --git a/sysdeps/unix/sysv/linux/arc/ldconfig.h b/sysdeps/unix/sysv/linux/arc/ldconfig.h > new file mode 100644 > index 000000000000..0d6368e4df02 > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/arc/ldconfig.h > @@ -0,0 +1,27 @@ > +/* ldconfig default paths and libraries. Linux/RISC-V version. > + Copyright (C) 2020 Free Software Foundation, Inc. > + This file is part of the GNU C Library. > + > + The GNU C Library is free software; you can redistribute it and/or > + modify it under the terms of the GNU Lesser General Public > + License as published by the Free Software Foundation; either > + version 2.1 of the License, or (at your option) any later version. > + > + The GNU C Library is distributed in the hope that it will be useful, > + but WITHOUT ANY WARRANTY; without even the implied warranty of > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + Lesser General Public License for more details. > + > + You should have received a copy of the GNU Lesser General Public > + License along with the GNU C Library. If not, see > + <https://www.gnu.org/licenses/>. */ > + > +#include <sysdeps/generic/ldconfig.h> > + > +#define SYSDEP_KNOWN_INTERPRETER_NAMES \ > + { "/lib/ld-linux-arc.so.2", FLAG_ELF_LIBC6 }, \ > + { "/lib/ld-linux-arceb.so.2", FLAG_ELF_LIBC6 }, > + > +#define SYSDEP_KNOWN_LIBRARY_NAMES \ > + { "libc.so.6", FLAG_ELF_LIBC6 }, \ > + { "libm.so.6", FLAG_ELF_LIBC6 }, Ok. > diff --git a/sysdeps/unix/sysv/linux/arc/shlib-versions b/sysdeps/unix/sysv/linux/arc/shlib-versions > new file mode 100644 > index 000000000000..343c0a04500e > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/arc/shlib-versions > @@ -0,0 +1,7 @@ > +DEFAULT GLIBC_2.32 > + > +%ifdef HAVE_ARC_BE > +ld=ld-linux-arceb.so.2 > +%else > +ld=ld-linux-arc.so.2 > +%endif > Ok.
diff --git a/config.h.in b/config.h.in index 831eca2fe14e..2ed684b7d4e4 100644 --- a/config.h.in +++ b/config.h.in @@ -109,6 +109,9 @@ /* AArch64 big endian ABI */ #undef HAVE_AARCH64_BE +/* ARC big endian ABI */ +#undef HAVE_ARC_BE + /* C-SKY ABI version. */ #undef CSKYABI diff --git a/sysdeps/arc/Implies b/sysdeps/arc/Implies new file mode 100644 index 000000000000..780c4e246769 --- /dev/null +++ b/sysdeps/arc/Implies @@ -0,0 +1,3 @@ +wordsize-32 +ieee754/flt-32 +ieee754/dbl-64 diff --git a/sysdeps/arc/Makefile b/sysdeps/arc/Makefile new file mode 100644 index 000000000000..d5a702e29e58 --- /dev/null +++ b/sysdeps/arc/Makefile @@ -0,0 +1,21 @@ +# ARC Makefile +# Copyright (C) 2020 Free Software Foundation, Inc. +# This file is part of the GNU C Library. + +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. + +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library. If not, see +# <https://www.gnu.org/licenses/>. + +# We don't support long doubles as a distinct type. We don't need to set +# this variable; it's here mostly for documentational purposes. +long-double-fcts = no diff --git a/sysdeps/arc/Versions b/sysdeps/arc/Versions new file mode 100644 index 000000000000..6ac7b8e49505 --- /dev/null +++ b/sysdeps/arc/Versions @@ -0,0 +1,8 @@ +libc { + GLIBC_2.32 { + __mcount; + } + GLIBC_PRIVATE { + __syscall_error; + } +} diff --git a/sysdeps/arc/configure b/sysdeps/arc/configure new file mode 100644 index 000000000000..bce7d3c3773d --- /dev/null +++ b/sysdeps/arc/configure @@ -0,0 +1,182 @@ +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! + # Local configure fragment for sysdeps/arc. + +$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h + +libc_cv_have_sdata_section=no + +# For ARC, historically ; was used for comments and not newline +# Later # also got added to comment list, but ; couldn't be switched to +# canonical newline as there's lots of code out there which will break +libc_cv_asm_line_sep='`' +cat >>confdefs.h <<_ACEOF +#define ASM_LINE_SEP $libc_cv_asm_line_sep +_ACEOF + + +# For big endian ABI, generate a symbol for selecting right dynamic linker + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_GREP" || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_EGREP" || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for big endian" >&5 +$as_echo_n "checking for big endian... " >&6; } +if ${libc_cv_arc_be+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __BIG_ENDIAN__ + yes + #endif + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "yes" >/dev/null 2>&1; then : + libc_cv_arc_be=yes +else + libc_cv_arc_be=no +fi +rm -f conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arc_be" >&5 +$as_echo "$libc_cv_arc_be" >&6; } +if test $libc_cv_arc_be = yes; then + # For shlib-versions. + $as_echo "#define HAVE_ARC_BE 1" >>confdefs.h + + config_vars="$config_vars +default-abi = arcbe" +else + config_vars="$config_vars +default-abi = arcle" +fi diff --git a/sysdeps/arc/configure.ac b/sysdeps/arc/configure.ac new file mode 100644 index 000000000000..cb490e47b356 --- /dev/null +++ b/sysdeps/arc/configure.ac @@ -0,0 +1,26 @@ +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/arc. + +AC_DEFINE(PI_STATIC_AND_HIDDEN) +libc_cv_have_sdata_section=no + +# For ARC, historically ; was used for comments and not newline +# Later # also got added to comment list, but ; couldn't be switched to +# canonical newline as there's lots of code out there which will break +libc_cv_asm_line_sep='`' +AC_DEFINE_UNQUOTED(ASM_LINE_SEP, $libc_cv_asm_line_sep) + +# For big endian ABI, generate a symbol for selecting right dynamic linker +AC_CACHE_CHECK([for big endian], + [libc_cv_arc_be], + [AC_EGREP_CPP(yes,[#ifdef __BIG_ENDIAN__ + yes + #endif + ], libc_cv_arc_be=yes, libc_cv_arc_be=no)]) +if test $libc_cv_arc_be = yes; then + # For shlib-versions. + AC_DEFINE(HAVE_ARC_BE) + LIBC_CONFIG_VAR([default-abi], [arcbe]) +else + LIBC_CONFIG_VAR([default-abi], [arcle]) +fi diff --git a/sysdeps/arc/nptl/Makefile b/sysdeps/arc/nptl/Makefile new file mode 100644 index 000000000000..42be62451749 --- /dev/null +++ b/sysdeps/arc/nptl/Makefile @@ -0,0 +1,22 @@ +# NPTL makefile fragment for ARC. +# Copyright (C) 2020 Free Software Foundation, Inc. +# +# This file is part of the GNU C Library. +# +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library. If not, see +# <https://www.gnu.org/licenses/>. + +ifeq ($(subdir),csu) +gen-as-const-headers += tcb-offsets.sym +endif diff --git a/sysdeps/arc/preconfigure b/sysdeps/arc/preconfigure new file mode 100644 index 000000000000..a79db0239ae6 --- /dev/null +++ b/sysdeps/arc/preconfigure @@ -0,0 +1,14 @@ +case "$machine" in +arc*) + base_machine=arc + machine=arc + + gccfloat=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | grep __ARC_FPU_| wc -l` + if test "$gccfloat" != "0"; then + with_fp_cond=1 + else + with_fp_cond=0 + fi + ;; + +esac diff --git a/sysdeps/unix/sysv/linux/arc/Implies b/sysdeps/unix/sysv/linux/arc/Implies new file mode 100644 index 000000000000..7f739a0340b6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/arc/Implies @@ -0,0 +1,3 @@ +arc/nptl +unix/sysv/linux/generic/wordsize-32 +unix/sysv/linux/generic diff --git a/sysdeps/unix/sysv/linux/arc/Makefile b/sysdeps/unix/sysv/linux/arc/Makefile new file mode 100644 index 000000000000..25d7bbecac07 --- /dev/null +++ b/sysdeps/unix/sysv/linux/arc/Makefile @@ -0,0 +1,29 @@ +ifeq ($(subdir),stdlib) +gen-as-const-headers += ucontext_i.sym +endif + +ifeq ($(subdir),signal) +sysdep_routines += sigrestorer +endif + +ifeq ($(subdir),misc) +# MIPS/Tile-style cacheflush routine +sysdep_headers += sys/cachectl.h +sysdep_routines += cacheflush +endif + +ifeq ($(subdir),elf) +ifeq ($(build-shared),yes) +# This is needed for DSO loading from static binaries. +sysdep-dl-routines += dl-static +endif +endif + +abi-variants := arcle arcbe + +ifeq (,$(filter $(default-abi),$(abi-variants))) +$(error Unknown ABI $(default-abi), must be one of $(abi-variants)) +endif + +abi-arcle-condition := !defined __BIG_ENDIAN__ +abi-arcbe-condition := defined __BIG_ENDIAN__ diff --git a/sysdeps/unix/sysv/linux/arc/Versions b/sysdeps/unix/sysv/linux/arc/Versions new file mode 100644 index 000000000000..292f1974b02a --- /dev/null +++ b/sysdeps/unix/sysv/linux/arc/Versions @@ -0,0 +1,16 @@ +ld { + GLIBC_PRIVATE { + # used for loading by static libraries + _dl_var_init; + } +} +libc { + GLIBC_2.32 { + _flush_cache; + cacheflush; + } + GLIBC_PRIVATE { + # A copy of sigaction lives in libpthread, and needs these. + __default_rt_sa_restorer; + } +} diff --git a/sysdeps/unix/sysv/linux/arc/configure b/sysdeps/unix/sysv/linux/arc/configure new file mode 100644 index 000000000000..56ec14357507 --- /dev/null +++ b/sysdeps/unix/sysv/linux/arc/configure @@ -0,0 +1,4 @@ +# This file is generated from configure.in by Autoconf. DO NOT EDIT! + # Local configure fragment for sysdeps/unix/sysv/linux/arc. + +arch_minimum_kernel=5.1.0 diff --git a/sysdeps/unix/sysv/linux/arc/configure.ac b/sysdeps/unix/sysv/linux/arc/configure.ac new file mode 100644 index 000000000000..8af5a12cc248 --- /dev/null +++ b/sysdeps/unix/sysv/linux/arc/configure.ac @@ -0,0 +1,4 @@ +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/unix/sysv/linux/arc. + +arch_minimum_kernel=5.1.0 diff --git a/sysdeps/unix/sysv/linux/arc/ldconfig.h b/sysdeps/unix/sysv/linux/arc/ldconfig.h new file mode 100644 index 000000000000..0d6368e4df02 --- /dev/null +++ b/sysdeps/unix/sysv/linux/arc/ldconfig.h @@ -0,0 +1,27 @@ +/* ldconfig default paths and libraries. Linux/RISC-V version. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <https://www.gnu.org/licenses/>. */ + +#include <sysdeps/generic/ldconfig.h> + +#define SYSDEP_KNOWN_INTERPRETER_NAMES \ + { "/lib/ld-linux-arc.so.2", FLAG_ELF_LIBC6 }, \ + { "/lib/ld-linux-arceb.so.2", FLAG_ELF_LIBC6 }, + +#define SYSDEP_KNOWN_LIBRARY_NAMES \ + { "libc.so.6", FLAG_ELF_LIBC6 }, \ + { "libm.so.6", FLAG_ELF_LIBC6 }, diff --git a/sysdeps/unix/sysv/linux/arc/shlib-versions b/sysdeps/unix/sysv/linux/arc/shlib-versions new file mode 100644 index 000000000000..343c0a04500e --- /dev/null +++ b/sysdeps/unix/sysv/linux/arc/shlib-versions @@ -0,0 +1,7 @@ +DEFAULT GLIBC_2.32 + +%ifdef HAVE_ARC_BE +ld=ld-linux-arceb.so.2 +%else +ld=ld-linux-arc.so.2 +%endif