From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oa1-x34.google.com (mail-oa1-x34.google.com [IPv6:2001:4860:4864:20::34]) by sourceware.org (Postfix) with ESMTPS id A208B385737D for ; Wed, 13 Jul 2022 17:48:05 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org A208B385737D Received: by mail-oa1-x34.google.com with SMTP id 586e51a60fabf-10bffc214ffso14968441fac.1 for ; Wed, 13 Jul 2022 10:48:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:cc:from:organization:in-reply-to :content-transfer-encoding; bh=M6O7BAzRUMBMllMATm4XGF4Y7pKh9JC67bjnM40gAcM=; b=QSG+jq0MfnduMblBqQ5zbcY289X151WTqlLAzyJXhYPg8tQsD1iCv2ZPSHoNY0JZEX 4MXbdCwQcsYwKukjKPo/FgQN7NC5875wuZtHO2p17BAOOLWFI8R+4laYa/N3Rv1eaggZ 38q4ZOqjN5p3LnAwX+hVpev0xkfhPxwLpiyJnwFPusoJmYgEOuU07/wR4MwMXmCa1Tqj JF3dTpNZuFFxBu4tfqR6rG62eQQ96TUvgqnBu3P+htLAkMSrARn5uVa4VujX4gNkvxTA Nuyvl7fKgryPFGSVqe3GeJ9eOA0nIM+DFNn1tUBvppFolxpbKOXEwCexHTmvKQwroyY6 wdTw== X-Gm-Message-State: AJIora9ZyQb+e8lxv9E3gL4um4Id8yfnu1MDYR75C52QVPnV+7m/wesV LcVMtyT/BwWJMYAub03dPDSP4xcPSGVD5Q== X-Google-Smtp-Source: AGRyM1uQyBsEEIkGQR8Vx4ZxchqpP6YQZuF20CF7KGW0F1GiXVuKvhV0dkDNQXSlqHDJI77BlIZ70w== X-Received: by 2002:a05:6870:65ab:b0:10c:373d:eca8 with SMTP id fp43-20020a05687065ab00b0010c373deca8mr2491421oab.187.1657734484522; Wed, 13 Jul 2022 10:48:04 -0700 (PDT) Received: from ?IPV6:2804:431:c7ca:19c3:4427:c171:4fa9:c3d9? ([2804:431:c7ca:19c3:4427:c171:4fa9:c3d9]) by smtp.gmail.com with ESMTPSA id h127-20020acab785000000b00339de9f5df6sm5505558oif.35.2022.07.13.10.48.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 13 Jul 2022 10:48:04 -0700 (PDT) Message-ID: <028ff59b-3904-a335-04d3-c8ac34970d3f@linaro.org> Date: Wed, 13 Jul 2022 14:48:01 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.0.2 Subject: Re: [PATCH v6 11/13] LoongArch: Build Infastructure Content-Language: en-US To: libc-alpha@sourceware.org, caiyinyu References: <20220708065255.2316410-1-caiyinyu@loongson.cn> <20220708065255.2316410-12-caiyinyu@loongson.cn> Cc: joseph_myers@mentor.com From: Adhemerval Zanella Netto Organization: Linaro In-Reply-To: <20220708065255.2316410-12-caiyinyu@loongson.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-12.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2022 17:48:10 -0000 Looks ok, some comments below. On 08/07/22 03:52, caiyinyu wrote: > --- > sysdeps/loongarch/Implies | 3 + > sysdeps/loongarch/Makefile | 15 ++ > sysdeps/loongarch/configure | 5 + > sysdeps/loongarch/configure.ac | 6 + > sysdeps/loongarch/lp64/Implies-after | 1 + > sysdeps/loongarch/nptl/Makefile | 21 +++ > sysdeps/loongarch/preconfigure | 52 ++++++ > sysdeps/loongarch/preconfigure.ac | 46 +++++ > sysdeps/loongarch/sys/regdef.h | 93 ++++++++++ > sysdeps/unix/sysv/linux/loongarch/Implies | 1 + > sysdeps/unix/sysv/linux/loongarch/Makefile | 4 + > sysdeps/unix/sysv/linux/loongarch/configure | 174 ++++++++++++++++++ > .../unix/sysv/linux/loongarch/configure.ac | 22 +++ > .../unix/sysv/linux/loongarch/ldd-rewrite.sed | 3 + > .../unix/sysv/linux/loongarch/lp64/Implies | 3 + > .../unix/sysv/linux/loongarch/shlib-versions | 7 + > 16 files changed, 456 insertions(+) > create mode 100644 sysdeps/loongarch/Implies > create mode 100644 sysdeps/loongarch/Makefile > create mode 100644 sysdeps/loongarch/configure > create mode 100644 sysdeps/loongarch/configure.ac > create mode 100644 sysdeps/loongarch/lp64/Implies-after > create mode 100644 sysdeps/loongarch/nptl/Makefile > create mode 100644 sysdeps/loongarch/preconfigure > create mode 100644 sysdeps/loongarch/preconfigure.ac > create mode 100644 sysdeps/loongarch/sys/regdef.h > create mode 100644 sysdeps/unix/sysv/linux/loongarch/Implies > create mode 100644 sysdeps/unix/sysv/linux/loongarch/Makefile > create mode 100644 sysdeps/unix/sysv/linux/loongarch/configure > create mode 100644 sysdeps/unix/sysv/linux/loongarch/configure.ac > create mode 100644 sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed > create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/Implies > create mode 100644 sysdeps/unix/sysv/linux/loongarch/shlib-versions > > diff --git a/sysdeps/loongarch/Implies b/sysdeps/loongarch/Implies > new file mode 100644 > index 0000000000..1945b1f4bb > --- /dev/null > +++ b/sysdeps/loongarch/Implies > @@ -0,0 +1,3 @@ > +ieee754/ldbl-128 > +ieee754/dbl-64 > +ieee754/flt-32 > diff --git a/sysdeps/loongarch/Makefile b/sysdeps/loongarch/Makefile > new file mode 100644 > index 0000000000..41c3449670 > --- /dev/null > +++ b/sysdeps/loongarch/Makefile > @@ -0,0 +1,15 @@ > +ifeq ($(subdir),misc) > +sysdep_headers += sys/asm.h > +endif > + > +# LoongArch's assembler also needs to know about PIC as it changes the > +# definition of some assembler macros. > +ASFLAGS-.os += $(pic-ccflag) > + > +abi-variants := lp64 > + > +ifeq (,$(filter $(default-abi),$(abi-variants))) > +$(error Unknown ABI $(default-abi), must be one of $(abi-variants)) > +endif > + > +abi-lp64-condition := defined __loongarch_lp64 > diff --git a/sysdeps/loongarch/configure b/sysdeps/loongarch/configure > new file mode 100644 > index 0000000000..43b54d4965 > --- /dev/null > +++ b/sysdeps/loongarch/configure > @@ -0,0 +1,5 @@ > +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! > + # Local configure fragment for sysdeps/loongarch/elf. > + > +$as_echo "#define HIDDEN_VAR_NEEDS_DYNAMIC_RELOC 1" >>confdefs.h > + > diff --git a/sysdeps/loongarch/configure.ac b/sysdeps/loongarch/configure.ac > new file mode 100644 > index 0000000000..f744367bf3 > --- /dev/null > +++ b/sysdeps/loongarch/configure.ac > @@ -0,0 +1,6 @@ > +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. > +# Local configure fragment for sysdeps/loongarch/elf. > + > +dnl It is always possible to access static and hidden symbols in an > +dnl position independent way. > +AC_DEFINE(HIDDEN_VAR_NEEDS_DYNAMIC_RELOC) > diff --git a/sysdeps/loongarch/lp64/Implies-after b/sysdeps/loongarch/lp64/Implies-after > new file mode 100644 > index 0000000000..a8cae95f9d > --- /dev/null > +++ b/sysdeps/loongarch/lp64/Implies-after > @@ -0,0 +1 @@ > +wordsize-64 > diff --git a/sysdeps/loongarch/nptl/Makefile b/sysdeps/loongarch/nptl/Makefile > new file mode 100644 > index 0000000000..e73bbf3e21 > --- /dev/null > +++ b/sysdeps/loongarch/nptl/Makefile > @@ -0,0 +1,21 @@ > +# Makefile for sysdeps/loongarch/nptl. > +# Copyright (C) 2022 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 > +# . > + > +ifeq ($(subdir),csu) > +gen-as-const-headers += tcb-offsets.sym > +endif loongarch does not need this header (you can build glibc if you remove it). > diff --git a/sysdeps/loongarch/preconfigure b/sysdeps/loongarch/preconfigure > new file mode 100644 > index 0000000000..489af6f0b7 > --- /dev/null > +++ b/sysdeps/loongarch/preconfigure > @@ -0,0 +1,52 @@ > +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! > +# Local preconfigure fragment for sysdeps/loongarch > + > +case "$machine" in > +loongarch*) > + > + grlen=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_grlen \(.*\)/\1/p'` > + float_abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(soft\|single\|double\)_float.*/\1/p'` > + > + with_fp_cond="!defined __loongarch_soft_float" > + > + case "$float_abi" in > + soft) > + abi_flen=0 > + as_fn_error 1 "loongarch does not yet support soft floating-point ABI!!" "$LINENO" 5 > + ;; > + single) > + as_fn_error 1 "glibc does not yet support the single floating-point ABI!!" "$LINENO" 5 > + ;; > + double) > + abi_flen=64 > + ;; > + *) > + as_fn_error 1 "Unable to determine floating-point ABI!!" "$LINENO" 5 > + ;; > + esac > + > + case "$grlen" in > + 32) > + as_fn_error 1 "loongarch does not yet support ilp32 ABI!!" "$LINENO" 5 > + ;; > + 64) > + machine=loongarch/lp64 > + ;; > + *) > + as_fn_error 1 "Unable to determine GRLEN!!" "$LINENO" 5 > + ;; > + esac > + > + cat >>confdefs.h <<_ACEOF > +#define LOONGARCH_ABI_GRLEN $grlen > +_ACEOF > + > + cat >>confdefs.h <<_ACEOF > +#define LOONGARCH_ABI_FRLEN $abi_flen > +_ACEOF > + > + > + base_machine=loongarch > + ;; > +esac > + > diff --git a/sysdeps/loongarch/preconfigure.ac b/sysdeps/loongarch/preconfigure.ac > new file mode 100644 > index 0000000000..8eb94e9efe > --- /dev/null > +++ b/sysdeps/loongarch/preconfigure.ac > @@ -0,0 +1,46 @@ > +GLIBC_PROVIDES[]dnl See aclocal.m4 in the top level source directory. > +# Local preconfigure fragment for sysdeps/loongarch > + > +case "$machine" in > +loongarch*) > + > + grlen=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_grlen \(.*\)/\1/p'` > + float_abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(soft\|single\|double\)_float.*/\1/p'` > + > + with_fp_cond="!defined __loongarch_soft_float" > + > + case "$float_abi" in > + soft) > + abi_flen=0 > + AC_MSG_ERROR([loongarch does not yet support soft floating-point ABI!!], 1) > + ;; > + single) > + AC_MSG_ERROR([glibc does not yet support the single floating-point ABI!!], 1) > + ;; > + double) > + abi_flen=64 > + ;; > + *) > + AC_MSG_ERROR([Unable to determine floating-point ABI!!], 1) > + ;; > + esac > + > + case "$grlen" in > + 32) > + AC_MSG_ERROR([loongarch does not yet support ilp32 ABI!!], 1) > + ;; > + 64) > + machine=loongarch/lp64 > + ;; > + *) > + AC_MSG_ERROR([Unable to determine GRLEN!!], 1) > + ;; > + esac > + > + AC_DEFINE_UNQUOTED([LOONGARCH_ABI_GRLEN], [$grlen]) > + AC_DEFINE_UNQUOTED([LOONGARCH_ABI_FRLEN], [$abi_flen]) > + > + base_machine=loongarch > + ;; > +esac > + > diff --git a/sysdeps/loongarch/sys/regdef.h b/sysdeps/loongarch/sys/regdef.h > new file mode 100644 > index 0000000000..d266df372d > --- /dev/null > +++ b/sysdeps/loongarch/sys/regdef.h > @@ -0,0 +1,93 @@ > +/* Register Macro definitions > + Copyright (C) 2022 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 > + . */ > + > +#ifndef _SYS_REGDEF_H > +#define _SYS_REGDEF_H > + > +#define zero $r0 > +#define ra $r1 > +#define tp $r2 > +#define sp $r3 > +#define a0 $r4 > +#define a1 $r5 > +#define a2 $r6 > +#define a3 $r7 > +#define a4 $r8 > +#define a5 $r9 > +#define a6 $r10 > +#define a7 $r11 > +#define v0 $r4 > +#define v1 $r5 > +#define t0 $r12 > +#define t1 $r13 > +#define t2 $r14 > +#define t3 $r15 > +#define t4 $r16 > +#define t5 $r17 > +#define t6 $r18 > +#define t7 $r19 > +#define t8 $r20 > +#define x $r21 > +#define fp $r22 > +#define s0 $r23 > +#define s1 $r24 > +#define s2 $r25 > +#define s3 $r26 > +#define s4 $r27 > +#define s5 $r28 > +#define s6 $r29 > +#define s7 $r30 > +#define s8 $r31 > + > +#define fa0 $f0 > +#define fa1 $f1 > +#define fa2 $f2 > +#define fa3 $f3 > +#define fa4 $f4 > +#define fa5 $f5 > +#define fa6 $f6 > +#define fa7 $f7 > +#define fv0 $f0 > +#define fv1 $f1 > +#define ft0 $f8 > +#define ft1 $f9 > +#define ft2 $f10 > +#define ft3 $f11 > +#define ft4 $f12 > +#define ft5 $f13 > +#define ft6 $f14 > +#define ft7 $f15 > +#define ft8 $f16 > +#define ft9 $f17 > +#define ft10 $f18 > +#define ft11 $f19 > +#define ft12 $f20 > +#define ft13 $f21 > +#define ft14 $f22 > +#define ft15 $f23 > +#define fs0 $f24 > +#define fs1 $f25 > +#define fs2 $f26 > +#define fs3 $f27 > +#define fs4 $f28 > +#define fs5 $f29 > +#define fs6 $f30 > +#define fs7 $f31 > + > +#endif /* _SYS_REGDEF_H */ > diff --git a/sysdeps/unix/sysv/linux/loongarch/Implies b/sysdeps/unix/sysv/linux/loongarch/Implies > new file mode 100644 > index 0000000000..e52b1ac310 > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/loongarch/Implies > @@ -0,0 +1 @@ > +loongarch/nptl > diff --git a/sysdeps/unix/sysv/linux/loongarch/Makefile b/sysdeps/unix/sysv/linux/loongarch/Makefile > new file mode 100644 > index 0000000000..730bfa7465 > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/loongarch/Makefile > @@ -0,0 +1,4 @@ > +ifeq ($(subdir),stdlib) > +gen-as-const-headers += ucontext_i.sym > +endif > + > diff --git a/sysdeps/unix/sysv/linux/loongarch/configure b/sysdeps/unix/sysv/linux/loongarch/configure > new file mode 100644 > index 0000000000..54ccd1528e > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/loongarch/configure > @@ -0,0 +1,174 @@ > +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! > + # Local configure fragment for sysdeps/unix/sysv/linux/loongarch. > + > +arch_minimum_kernel=5.19.0 > + > +libc_cv_loongarch_int_abi=no > + > + > +{ $as_echo "$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" > + > + > +cat confdefs.h - <<_ACEOF >conftest.$ac_ext > +/* end confdefs.h. */ > +__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__ > + > +_ACEOF > +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | > + $EGREP "4 8 8" >/dev/null 2>&1; then : > + libc_cv_loongarch_int_abi=lp64 > +fi > +rm -f conftest* > + > +if test $libc_cv_loongarch_int_abi = no; then > + as_fn_error $? "Unable to determine integer ABI" "$LINENO" 5 > +fi > + > +config_vars="$config_vars > +default-abi = $libc_cv_loongarch_int_abi" > + > +case $libc_cv_loongarch_int_abi in > +lp64) > + test -n "$libc_cv_slibdir" || > +case "$prefix" in > +/usr | /usr/) > + libc_cv_slibdir='/lib64' > + libc_cv_rtlddir='/lib64' > + if test "$libdir" = '${exec_prefix}/lib'; then > + libdir='${exec_prefix}/lib64'; > + # Locale data can be shared between 32-bit and 64-bit libraries. > + libc_cv_complocaledir='${exec_prefix}/lib/locale' > + fi > + ;; > +esac > + ;; > +esac > + > +ldd_rewrite_script=sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed > diff --git a/sysdeps/unix/sysv/linux/loongarch/configure.ac b/sysdeps/unix/sysv/linux/loongarch/configure.ac > new file mode 100644 > index 0000000000..07da5eed76 > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/loongarch/configure.ac > @@ -0,0 +1,22 @@ > +sinclude(./aclocal.m4)dnl Autoconf lossage > +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. > +# Local configure fragment for sysdeps/unix/sysv/linux/loongarch. > + > +arch_minimum_kernel=5.19.0 > + > +libc_cv_loongarch_int_abi=no > +AC_EGREP_CPP(4 8 8, [__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__ > + ], libc_cv_loongarch_int_abi=lp64) > +if test $libc_cv_loongarch_int_abi = no; then > + AC_MSG_ERROR([Unable to determine integer ABI]) > +fi > + > +LIBC_CONFIG_VAR([default-abi], [$libc_cv_loongarch_int_abi]) > + > +case $libc_cv_loongarch_int_abi in > +lp64) > + LIBC_SLIBDIR_RTLDDIR([lib64], [lib64]) > + ;; > +esac > + > +ldd_rewrite_script=sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed > diff --git a/sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed b/sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed > new file mode 100644 > index 0000000000..d42a13e08c > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed > @@ -0,0 +1,3 @@ > +/LD_TRACE_LOADED_OBJECTS=1/a\ > +add_env="$add_env LD_LIBRARY_VERSION=\\$verify_out" This LD_LIBRARY_VERSION is not supported anymore (I forgot to remove them from ldd-rewrite.sed files). > +s_^\(RTLDLIST=\)\(.*lib\)\(\|64\|32\)\(/[^/]*\)\(-loongarch\)\(64\|32\)\(\.so\.[0-9.]*\)[[:blank:]]*$_\1"\2\4\7 \264\4-loongarch64\7 \232\4-loongarch32\7"_ > diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/Implies b/sysdeps/unix/sysv/linux/loongarch/lp64/Implies > new file mode 100644 > index 0000000000..117c2b8efe > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/loongarch/lp64/Implies > @@ -0,0 +1,3 @@ > +unix/sysv/linux/loongarch > +unix/sysv/linux/generic > +unix/sysv/linux/wordsize-64 > diff --git a/sysdeps/unix/sysv/linux/loongarch/shlib-versions b/sysdeps/unix/sysv/linux/loongarch/shlib-versions > new file mode 100644 > index 0000000000..dc2220b4be > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/loongarch/shlib-versions > @@ -0,0 +1,7 @@ > +DEFAULT GLIBC_2.36 > + > +%if LOONGARCH_ABI_GRLEN == 64 && LOONGARCH_ABI_FRLEN == 64 > +ld=ld-linux-loongarch-lp64d.so.1 > +%else > +%error cannot determine ABI > +%endif