[PATCH v7 11/13] ARC: Build Infrastructure
Adhemerval Zanella
adhemerval.zanella at linaro.org
Fri Jul 3 13:09:43 EDT 2020
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 at 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.
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