From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <3mJs3YwcKCM05tB3AtHz77z4x.v75u16DC14BB7DAvxFtAx.7Az@flex--maskray.bounces.google.com> Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by sourceware.org (Postfix) with ESMTPS id 125DD3858D1E for ; Sat, 1 Oct 2022 01:44:57 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 125DD3858D1E Authentication-Results: sourceware.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=flex--maskray.bounces.google.com Received: by mail-yb1-xb49.google.com with SMTP id r62-20020a252b41000000b006af00577c42so5313485ybr.10 for ; Fri, 30 Sep 2022 18:44:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date; bh=QAexLDGXyq2HGQ2xiagflfGeirNVImSc/eSkIuYDjgc=; b=pZs7sZUhLbknHP79J1oRzS4oQ6TsWm1n84jLon8Gf0fYeslc90KsSWIEAgVq7D1ttW 62rIgiHuS5kHk4JKpn5u8kJm0z7xnwO8KHhDtspwUKvh/3Cy7Hb5uMePh/gaeszPrr26 m+DLG7L2IpQl/HFJ94efqnACmR690nNFc2iJz/9j2uSBK44EjJUGDxuD8qM7oloI17TE Dc8q/Y1Max8brT4Gajaqht3eLt4tfdI+FN+jwA1DjEqMpEahxPZkXof7rnhSjArHTfkP 4bEx9niLPfCpr6l5y5ynGmKs9UPRDTgsTm5UVp9+l4QXDjh8R4ZUaOmOcAKp8VxgQSWv t4lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date; bh=QAexLDGXyq2HGQ2xiagflfGeirNVImSc/eSkIuYDjgc=; b=mFFI+IB3cejBDF3iW4DYKo56MV5lGyDVXVOiN+YmA/+fy1I7j/AiysuYAOGUVtQbrn AGUa7VyLChBYVFStyPAJJYVIvYgk2iEehgdWbXU8ylvtymEgNvCtqcbxubssNEQSVORc 4qFaR3ixXdQN0BujDMxdjVr9DZ+MxzyikJCzduYzT5EGFP2sToGC6I85v4Y1WceYkfVS MqJy0rpyG5nDaYNyfCSNJ/o+LgoAI3mnw5dxzizOnWUMLSvASfeFX1MXs+JRJ54IzWAq hnNq7In+/olA0mRnbKGBV59VrZTv/SVD3ArhT9tMh2rtSMrpZL9rOOpagrhxhwinvHWW ShRQ== X-Gm-Message-State: ACrzQf3iy1iib07oY/cUPGMSiz4MK5Ixoe/3BjvEa161DPeikuwu3sfK cfiGf3yaSzs1/3j+WR+6ZSmI/JUAesfK X-Google-Smtp-Source: AMsMyM6uZJ7m7OWWcQPY9hyP69zHHES+hU1Z3JjZLDHWn9sado2+8CgOj58MrJTc1WtAs+Yr9Kr2Wu+X5jPt X-Received: from maskray1.svl.corp.google.com ([2620:15c:2ce:200:3a85:8afb:786d:5a2a]) (user=maskray job=sendgmr) by 2002:a81:5d8a:0:b0:349:9d1a:8d6f with SMTP id r132-20020a815d8a000000b003499d1a8d6fmr10854254ywb.170.1664588696257; Fri, 30 Sep 2022 18:44:56 -0700 (PDT) Date: Fri, 30 Sep 2022 18:44:51 -0700 Mime-Version: 1.0 Message-ID: <20221001014451.532772-1-maskray@google.com> Subject: [PATCH] gold, dwp: support zstd compressed input debug sections [PR 29641] From: Fangrui Song To: Alan Modra , Cary Coutant Cc: binutils@sourceware.org, Fangrui Song Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-19.4 required=5.0 tests=BAYES_00,DKIMWL_WL_MED,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,KAM_LINEPADDING,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: --- elfcpp/elfcpp.h | 1 + gold/Makefile.am | 10 +- gold/Makefile.in | 16 +- gold/aclocal.m4 | 1 + gold/compressed_output.cc | 44 ++-- gold/config.in | 3 + gold/configure | 258 +++++++++++++++++++++++- gold/configure.ac | 3 +- gold/testsuite/Makefile.am | 17 +- gold/testsuite/Makefile.in | 32 ++- gold/testsuite/gdb_index_test_2_zstd.sh | 24 +++ 11 files changed, 361 insertions(+), 48 deletions(-) create mode 100755 gold/testsuite/gdb_index_test_2_zstd.sh diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h index 3ca2d614947..97784abe59b 100644 --- a/elfcpp/elfcpp.h +++ b/elfcpp/elfcpp.h @@ -465,6 +465,7 @@ enum SHF enum { ELFCOMPRESS_ZLIB = 1, + ELFCOMPRESS_ZSTD = 2, ELFCOMPRESS_LOOS = 0x60000000, ELFCOMPRESS_HIOS = 0x6fffffff, ELFCOMPRESS_LOPROC = 0x70000000, diff --git a/gold/Makefile.am b/gold/Makefile.am index 934e3669977..6c9a91f72d4 100644 --- a/gold/Makefile.am +++ b/gold/Makefile.am @@ -34,8 +34,8 @@ ZLIBINC = @zlibinc@ THREADFLAGS = @PTHREAD_CFLAGS@ THREADLIBS = @PTHREAD_LIBS@ -AM_CFLAGS = $(WARN_CFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS) $(ZLIBINC) $(THREADFLAGS) -AM_CXXFLAGS = $(WARN_CXXFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS) $(ZLIBINC) $(THREADFLAGS) $(JANSSON_CFLAGS) +AM_CFLAGS = $(WARN_CFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS) $(ZLIBINC) $(ZSTD_CFLAGS) $(THREADFLAGS) +AM_CXXFLAGS = $(WARN_CXXFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS) $(ZLIBINC) $(ZSTD_CFLAGS) $(THREADFLAGS) $(JANSSON_CFLAGS) AM_LDFLAGS = $(THREADFLAGS) AM_CPPFLAGS = \ @@ -187,7 +187,7 @@ libgold_a_LIBADD = $(LIBOBJS) sources_var = main.cc deps_var = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(LIBINTL_DEP) ldadd_var = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(GOLD_LDADD) $(LIBINTL) \ - $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) + $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) ldflags_var = $(GOLD_LDFLAGS) ld_new_SOURCES = $(sources_var) @@ -201,12 +201,12 @@ incremental_dump_SOURCES = incremental-dump.cc incremental_dump_DEPENDENCIES = $(TARGETOBJS) libgold.a $(LIBIBERTY) \ $(LIBINTL_DEP) incremental_dump_LDADD = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(LIBINTL) \ - $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) + $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) dwp_SOURCES = dwp.cc dwp_DEPENDENCIES = libgold.a $(LIBIBERTY) $(LIBINTL_DEP) dwp_LDADD = libgold.a $(LIBIBERTY) $(GOLD_LDADD) $(LIBINTL) $(THREADLIBS) \ - $(LIBDL) $(ZLIB) $(JANSSON_LIBS) + $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) dwp_LDFLAGS = $(GOLD_LDFLAGS) CONFIG_STATUS_DEPENDENCIES = $(srcdir)/../bfd/development.sh diff --git a/gold/Makefile.in b/gold/Makefile.in index b7b7ad570ff..c651a4aa9b6 100644 --- a/gold/Makefile.in +++ b/gold/Makefile.in @@ -135,6 +135,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/ax_pthread.m4 \ $(top_srcdir)/../config/po.m4 \ $(top_srcdir)/../config/progtest.m4 \ $(top_srcdir)/../config/zlib.m4 \ + $(top_srcdir)/../config/zstd.m4 \ $(top_srcdir)/../bfd/warning.m4 $(top_srcdir)/configure.ac am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ $(ACLOCAL_M4) @@ -194,7 +195,8 @@ ld_new_OBJECTS = $(am_ld_new_OBJECTS) am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1) libgold.a $(LIBIBERTY) \ $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \ $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \ - $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) + $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \ + $(am__DEPENDENCIES_1) ld_new_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(ld_new_LDFLAGS) \ $(LDFLAGS) -o $@ @GCC_TRUE@@NATIVE_LINKER_TRUE@am_ld1_OBJECTS = $(am__objects_4) @@ -601,6 +603,8 @@ WARN_WRITE_STRINGS = @WARN_WRITE_STRINGS@ XGETTEXT = @XGETTEXT@ YACC = @YACC@ YFLAGS = @YFLAGS@ +ZSTD_CFLAGS = @ZSTD_CFLAGS@ +ZSTD_LIBS = @ZSTD_LIBS@ abs_builddir = @abs_builddir@ abs_srcdir = @abs_srcdir@ abs_top_builddir = @abs_top_builddir@ @@ -673,8 +677,8 @@ ZLIB = @zlibdir@ -lz ZLIBINC = @zlibinc@ THREADFLAGS = @PTHREAD_CFLAGS@ THREADLIBS = @PTHREAD_LIBS@ -AM_CFLAGS = $(WARN_CFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS) $(ZLIBINC) $(THREADFLAGS) -AM_CXXFLAGS = $(WARN_CXXFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS) $(ZLIBINC) $(THREADFLAGS) $(JANSSON_CFLAGS) +AM_CFLAGS = $(WARN_CFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS) $(ZLIBINC) $(ZSTD_CFLAGS) $(THREADFLAGS) +AM_CXXFLAGS = $(WARN_CXXFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS) $(ZLIBINC) $(ZSTD_CFLAGS) $(THREADFLAGS) $(JANSSON_CFLAGS) AM_LDFLAGS = $(THREADFLAGS) AM_CPPFLAGS = \ -I$(srcdir) -I$(srcdir)/../include -I$(srcdir)/../elfcpp \ @@ -811,7 +815,7 @@ libgold_a_LIBADD = $(LIBOBJS) sources_var = main.cc deps_var = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(LIBINTL_DEP) ldadd_var = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(GOLD_LDADD) $(LIBINTL) \ - $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) + $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) ldflags_var = $(GOLD_LDFLAGS) ld_new_SOURCES = $(sources_var) @@ -824,12 +828,12 @@ incremental_dump_DEPENDENCIES = $(TARGETOBJS) libgold.a $(LIBIBERTY) \ $(LIBINTL_DEP) incremental_dump_LDADD = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(LIBINTL) \ - $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) + $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) dwp_SOURCES = dwp.cc dwp_DEPENDENCIES = libgold.a $(LIBIBERTY) $(LIBINTL_DEP) dwp_LDADD = libgold.a $(LIBIBERTY) $(GOLD_LDADD) $(LIBINTL) $(THREADLIBS) \ - $(LIBDL) $(ZLIB) $(JANSSON_LIBS) + $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) dwp_LDFLAGS = $(GOLD_LDFLAGS) CONFIG_STATUS_DEPENDENCIES = $(srcdir)/../bfd/development.sh diff --git a/gold/aclocal.m4 b/gold/aclocal.m4 index 6a0cd72170c..e4bdc46e153 100644 --- a/gold/aclocal.m4 +++ b/gold/aclocal.m4 @@ -1208,4 +1208,5 @@ m4_include([../config/plugins.m4]) m4_include([../config/po.m4]) m4_include([../config/progtest.m4]) m4_include([../config/zlib.m4]) +m4_include([../config/zstd.m4]) m4_include([../bfd/warning.m4]) diff --git a/gold/compressed_output.cc b/gold/compressed_output.cc index 4ebc339ba92..99801750348 100644 --- a/gold/compressed_output.cc +++ b/gold/compressed_output.cc @@ -22,6 +22,9 @@ #include "gold.h" #include +#ifdef HAVE_ZSTD +#include +#endif #include "parameters.h" #include "options.h" #include "compressed_output.h" @@ -148,45 +151,38 @@ decompress_input_section(const unsigned char* compressed_data, if ((sh_flags & elfcpp::SHF_COMPRESSED) != 0) { unsigned int compression_header_size; + unsigned int ch_type; if (size == 32) { compression_header_size = elfcpp::Elf_sizes<32>::chdr_size; if (big_endian) - { - elfcpp::Chdr<32, true> chdr(compressed_data); - if (chdr.get_ch_type() != elfcpp::ELFCOMPRESS_ZLIB) - return false; - } + ch_type = elfcpp::Chdr<32, true> (compressed_data).get_ch_type(); else - { - elfcpp::Chdr<32, false> chdr(compressed_data); - if (chdr.get_ch_type() != elfcpp::ELFCOMPRESS_ZLIB) - return false; - } + ch_type = elfcpp::Chdr<32, false>(compressed_data).get_ch_type(); } else if (size == 64) { compression_header_size = elfcpp::Elf_sizes<64>::chdr_size; if (big_endian) - { - elfcpp::Chdr<64, true> chdr(compressed_data); - if (chdr.get_ch_type() != elfcpp::ELFCOMPRESS_ZLIB) - return false; - } + ch_type = elfcpp::Chdr<64, true>(compressed_data).get_ch_type(); else - { - elfcpp::Chdr<64, false> chdr(compressed_data); - if (chdr.get_ch_type() != elfcpp::ELFCOMPRESS_ZLIB) - return false; - } + ch_type = elfcpp::Chdr<64, false>(compressed_data).get_ch_type(); } else gold_unreachable(); - return zlib_decompress(compressed_data + compression_header_size, - compressed_size - compression_header_size, - uncompressed_data, - uncompressed_size); +#ifdef HAVE_ZSTD + if (ch_type == elfcpp::ELFCOMPRESS_ZSTD) + return !ZSTD_isError( + ZSTD_decompress(uncompressed_data, uncompressed_size, + compressed_data + compression_header_size, + compressed_size - compression_header_size)); +#endif + if (ch_type == elfcpp::ELFCOMPRESS_ZLIB) + return zlib_decompress(compressed_data + compression_header_size, + compressed_size - compression_header_size, + uncompressed_data, uncompressed_size); + return false; } const unsigned int zlib_header_size = 12; diff --git a/gold/config.in b/gold/config.in index a2000d3be6d..333b2c6d5db 100644 --- a/gold/config.in +++ b/gold/config.in @@ -229,6 +229,9 @@ /* Define to 1 if you have the header file. */ #undef HAVE_WINDOWS_H +/* Define to 1 if zstd is enabled. */ +#undef HAVE_ZSTD + /* Default library search path */ #undef LIB_PATH diff --git a/gold/configure b/gold/configure index 85f62a92fcd..8172fa8e8f4 100755 --- a/gold/configure +++ b/gold/configure @@ -633,9 +633,6 @@ HAVE_PUBNAMES_FALSE HAVE_PUBNAMES_TRUE JANSSON_LIBS JANSSON_CFLAGS -PKG_CONFIG_LIBDIR -PKG_CONFIG_PATH -PKG_CONFIG THREADS_FALSE THREADS_TRUE PTHREAD_CFLAGS @@ -643,6 +640,11 @@ PTHREAD_LIBS PTHREAD_CC ax_pthread_config SED +ZSTD_LIBS +ZSTD_CFLAGS +PKG_CONFIG_LIBDIR +PKG_CONFIG_PATH +PKG_CONFIG zlibinc zlibdir LIBOBJS @@ -855,6 +857,7 @@ enable_build_warnings with_gold_ldflags with_gold_ldadd with_system_zlib +with_zstd enable_threads enable_jansson enable_maintainer_mode @@ -876,6 +879,8 @@ YFLAGS PKG_CONFIG PKG_CONFIG_PATH PKG_CONFIG_LIBDIR +ZSTD_CFLAGS +ZSTD_LIBS JANSSON_CFLAGS JANSSON_LIBS CXXCPP' @@ -1527,6 +1532,8 @@ Optional Packages: --with-gold-ldflags=FLAGS additional link flags for gold --with-gold-ldadd=LIBS additional libraries for gold --with-system-zlib use installed libz + --with-zstd support zstd compressed debug sections + (default=auto) Some influential environment variables: CC C compiler command @@ -1550,6 +1557,8 @@ Some influential environment variables: directories to add to pkg-config's search path PKG_CONFIG_LIBDIR path overriding pkg-config's built-in search path + ZSTD_CFLAGS C compiler flags for ZSTD, overriding pkg-config + ZSTD_LIBS linker flags for ZSTD, overriding pkg-config JANSSON_CFLAGS C compiler flags for JANSSON, overriding pkg-config JANSSON_LIBS @@ -8217,7 +8226,7 @@ esac fi -# Link in zlib if we can. This allows us to write compressed sections. +# Link in zlib/zstd if we can. This allows us to write compressed sections. # Use the system's zlib library. zlibdir="-L\$(top_builddir)/../zlib" @@ -8236,6 +8245,247 @@ fi + + + + + + +if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args. +set dummy ${ac_tool_prefix}pkg-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_PKG_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +PKG_CONFIG=$ac_cv_path_PKG_CONFIG +if test -n "$PKG_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5 +$as_echo "$PKG_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_path_PKG_CONFIG"; then + ac_pt_PKG_CONFIG=$PKG_CONFIG + # Extract the first word of "pkg-config", so it can be a program name with args. +set dummy pkg-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $ac_pt_PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG +if test -n "$ac_pt_PKG_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5 +$as_echo "$ac_pt_PKG_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_pt_PKG_CONFIG" = x; then + PKG_CONFIG="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + PKG_CONFIG=$ac_pt_PKG_CONFIG + fi +else + PKG_CONFIG="$ac_cv_path_PKG_CONFIG" +fi + +fi +if test -n "$PKG_CONFIG"; then + _pkg_min_version=0.9.0 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5 +$as_echo_n "checking pkg-config is at least version $_pkg_min_version... " >&6; } + if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + PKG_CONFIG="" + fi +fi + + +# Check whether --with-zstd was given. +if test "${with_zstd+set}" = set; then : + withval=$with_zstd; +else + with_zstd=auto +fi + + +if test "$with_zstd" != no; then : + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libzstd" >&5 +$as_echo_n "checking for libzstd... " >&6; } + +if test -n "$ZSTD_CFLAGS"; then + pkg_cv_ZSTD_CFLAGS="$ZSTD_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libzstd\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libzstd") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_ZSTD_CFLAGS=`$PKG_CONFIG --cflags "libzstd" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$ZSTD_LIBS"; then + pkg_cv_ZSTD_LIBS="$ZSTD_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libzstd\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libzstd") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_ZSTD_LIBS=`$PKG_CONFIG --libs "libzstd" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + +if test $pkg_failed = no; then + pkg_save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS $pkg_cv_ZSTD_LIBS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + +else + pkg_failed=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$pkg_save_LDFLAGS +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + ZSTD_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libzstd" 2>&1` + else + ZSTD_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libzstd" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$ZSTD_PKG_ERRORS" >&5 + + + if test "$with_zstd" = yes; then + as_fn_error $? "--with-zstd was given, but pkgconfig/libzstd.pc is not found" "$LINENO" 5 + fi + +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + if test "$with_zstd" = yes; then + as_fn_error $? "--with-zstd was given, but pkgconfig/libzstd.pc is not found" "$LINENO" 5 + fi + +else + ZSTD_CFLAGS=$pkg_cv_ZSTD_CFLAGS + ZSTD_LIBS=$pkg_cv_ZSTD_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + + +$as_echo "#define HAVE_ZSTD 1" >>confdefs.h + + +fi + +fi + + # Check whether --enable-threads was given. if test "${enable_threads+set}" = set; then : enableval=$enable_threads; case "${enableval}" in diff --git a/gold/configure.ac b/gold/configure.ac index 25fae6b998b..6a7d9f897dd 100644 --- a/gold/configure.ac +++ b/gold/configure.ac @@ -566,8 +566,9 @@ else AC_LIBOBJ(mremap) fi -# Link in zlib if we can. This allows us to write compressed sections. +# Link in zlib/zstd if we can. This allows us to write compressed sections. AM_ZLIB +AC_ZSTD AC_ARG_ENABLE([threads], [[ --enable-threads[=ARG] multi-threaded linking [ARG={auto,yes,no}]]], diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am index 843fd0d197c..0aacfe56ddb 100644 --- a/gold/testsuite/Makefile.am +++ b/gold/testsuite/Makefile.am @@ -149,25 +149,25 @@ check_PROGRAMS += object_unittest object_unittest_SOURCES = object_unittest.cc object_unittest_LDFLAGS = $(THREADFLAGS) object_unittest_LDADD = libgoldtest.a ../libgold.a ../../libiberty/libiberty.a $(LIBINTL) \ - $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) + $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) check_PROGRAMS += binary_unittest binary_unittest_SOURCES = binary_unittest.cc binary_unittest_LDFLAGS = $(THREADFLAGS) binary_unittest_LDADD = libgoldtest.a ../libgold.a ../../libiberty/libiberty.a $(LIBINTL) \ - $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) + $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) check_PROGRAMS += leb128_unittest leb128_unittest_SOURCES = leb128_unittest.cc leb128_unittest_LDFLAGS = $(THREADFLAGS) leb128_unittest_LDADD = libgoldtest.a ../libgold.a ../../libiberty/libiberty.a $(LIBINTL) \ - $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) + $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) check_PROGRAMS += overflow_unittest overflow_unittest_SOURCES = overflow_unittest.cc overflow_unittest_LDFLAGS = $(THREADFLAGS) overflow_unittest_LDADD = libgoldtest.a ../libgold.a ../../libiberty/libiberty.a $(LIBINTL) \ - $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) + $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) overflow_unittest.o: overflow_unittest.cc $(CXXCOMPILE) -O3 -c -o $@ $< @@ -3120,6 +3120,15 @@ gdb_index_test_2_gabi: gdb_index_test_cdebug_gabi.o gcctestdir/ld $(CXXLINK) -Wl,--gdb-index $< gdb_index_test_2_gabi.stdout: gdb_index_test_2_gabi $(TEST_READELF) --debug-dump=gdb_index $< > $@ +check_SCRIPTS += gdb_index_test_2_zstd.sh +check_DATA += gdb_index_test_2_zstd.stdout +MOSTLYCLEANFILES += gdb_index_test_2_zstd.stdout gdb_index_test_2_zstd +gdb_index_test_cdebug_zstd.o: gdb_index_test.cc + $(CXXCOMPILE) -O0 -g -Wa,--compress-debug-sections=zstd -c -o $@ $< +gdb_index_test_2_zstd: gdb_index_test_cdebug_zstd.o gcctestdir/ld + $(CXXLINK) -Wl,--gdb-index $< +gdb_index_test_2_zstd.stdout: gdb_index_test_2_zstd + $(TEST_READELF) --debug-dump=gdb_index $< > $@ # Another simple C test (DW_AT_high_pc encoding) for --gdb-index. check_SCRIPTS += gdb_index_test_3.sh diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in index 21804df6573..02fb2f4cac3 100644 --- a/gold/testsuite/Makefile.in +++ b/gold/testsuite/Makefile.in @@ -853,11 +853,13 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@am__append_78 = gdb_index_test_1.sh \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2.sh \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2_gabi.sh \ +@GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2_zstd.sh \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_3.sh \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_4.sh @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@am__append_79 = gdb_index_test_1.stdout \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2.stdout \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2_gabi.stdout \ +@GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2_zstd.stdout \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_3.stdout \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_4.stdout @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@am__append_80 = gdb_index_test_1.stdout \ @@ -867,6 +869,8 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2_gabi \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2.stdout \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2 \ +@GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2_zstd.stdout \ +@GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_2_zstd \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_3.stdout \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_3 \ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ gdb_index_test_4.stdout \ @@ -1152,6 +1156,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/ax_pthread.m4 \ $(top_srcdir)/../config/po.m4 \ $(top_srcdir)/../config/progtest.m4 \ $(top_srcdir)/../config/zlib.m4 \ + $(top_srcdir)/../config/zstd.m4 \ $(top_srcdir)/../bfd/warning.m4 $(top_srcdir)/configure.ac am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ $(ACLOCAL_M4) @@ -1410,6 +1415,7 @@ am__DEPENDENCIES_1 = @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ +@NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) binary_unittest_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \ $(binary_unittest_LDFLAGS) $(LDFLAGS) -o $@ @@ -1736,6 +1742,7 @@ leb128_unittest_OBJECTS = $(am_leb128_unittest_OBJECTS) @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ +@NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) leb128_unittest_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \ $(leb128_unittest_LDFLAGS) $(LDFLAGS) -o $@ @@ -1760,6 +1767,7 @@ object_unittest_OBJECTS = $(am_object_unittest_OBJECTS) @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ +@NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) object_unittest_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \ $(object_unittest_LDFLAGS) $(LDFLAGS) -o $@ @@ -1773,6 +1781,7 @@ overflow_unittest_OBJECTS = $(am_overflow_unittest_OBJECTS) @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ +@NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) \ @NATIVE_OR_CROSS_LINKER_TRUE@ $(am__DEPENDENCIES_1) overflow_unittest_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \ $(overflow_unittest_LDFLAGS) $(LDFLAGS) -o $@ @@ -2696,6 +2705,8 @@ WARN_WRITE_STRINGS = @WARN_WRITE_STRINGS@ XGETTEXT = @XGETTEXT@ YACC = @YACC@ YFLAGS = @YFLAGS@ +ZSTD_CFLAGS = @ZSTD_CFLAGS@ +ZSTD_LIBS = @ZSTD_LIBS@ abs_builddir = @abs_builddir@ abs_srcdir = @abs_srcdir@ abs_top_builddir = @abs_top_builddir@ @@ -2881,22 +2892,22 @@ DEPENDENCIES = \ @NATIVE_OR_CROSS_LINKER_TRUE@object_unittest_SOURCES = object_unittest.cc @NATIVE_OR_CROSS_LINKER_TRUE@object_unittest_LDFLAGS = $(THREADFLAGS) @NATIVE_OR_CROSS_LINKER_TRUE@object_unittest_LDADD = libgoldtest.a ../libgold.a ../../libiberty/libiberty.a $(LIBINTL) \ -@NATIVE_OR_CROSS_LINKER_TRUE@ $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) +@NATIVE_OR_CROSS_LINKER_TRUE@ $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) @NATIVE_OR_CROSS_LINKER_TRUE@binary_unittest_SOURCES = binary_unittest.cc @NATIVE_OR_CROSS_LINKER_TRUE@binary_unittest_LDFLAGS = $(THREADFLAGS) @NATIVE_OR_CROSS_LINKER_TRUE@binary_unittest_LDADD = libgoldtest.a ../libgold.a ../../libiberty/libiberty.a $(LIBINTL) \ -@NATIVE_OR_CROSS_LINKER_TRUE@ $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) +@NATIVE_OR_CROSS_LINKER_TRUE@ $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) @NATIVE_OR_CROSS_LINKER_TRUE@leb128_unittest_SOURCES = leb128_unittest.cc @NATIVE_OR_CROSS_LINKER_TRUE@leb128_unittest_LDFLAGS = $(THREADFLAGS) @NATIVE_OR_CROSS_LINKER_TRUE@leb128_unittest_LDADD = libgoldtest.a ../libgold.a ../../libiberty/libiberty.a $(LIBINTL) \ -@NATIVE_OR_CROSS_LINKER_TRUE@ $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) +@NATIVE_OR_CROSS_LINKER_TRUE@ $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) @NATIVE_OR_CROSS_LINKER_TRUE@overflow_unittest_SOURCES = overflow_unittest.cc @NATIVE_OR_CROSS_LINKER_TRUE@overflow_unittest_LDFLAGS = $(THREADFLAGS) @NATIVE_OR_CROSS_LINKER_TRUE@overflow_unittest_LDADD = libgoldtest.a ../libgold.a ../../libiberty/libiberty.a $(LIBINTL) \ -@NATIVE_OR_CROSS_LINKER_TRUE@ $(THREADLIBS) $(LIBDL) $(ZLIB) $(JANSSON_LIBS) +@NATIVE_OR_CROSS_LINKER_TRUE@ $(THREADLIBS) $(LIBDL) $(ZLIB) $(ZSTD_LIBS) $(JANSSON_LIBS) @GCC_TRUE@@NATIVE_LINKER_TRUE@large_symbol_alignment_SOURCES = large_symbol_alignment.cc @GCC_TRUE@@NATIVE_LINKER_TRUE@large_symbol_alignment_DEPENDENCIES = gcctestdir/ld @@ -6181,6 +6192,13 @@ gdb_index_test_2_gabi.sh.log: gdb_index_test_2_gabi.sh --log-file $$b.log --trs-file $$b.trs \ $(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \ "$$tst" $(AM_TESTS_FD_REDIRECT) +gdb_index_test_2_zstd.sh.log: gdb_index_test_2_zstd.sh + @p='gdb_index_test_2_zstd.sh'; \ + b='gdb_index_test_2_zstd.sh'; \ + $(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \ + --log-file $$b.log --trs-file $$b.trs \ + $(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \ + "$$tst" $(AM_TESTS_FD_REDIRECT) gdb_index_test_3.sh.log: gdb_index_test_3.sh @p='gdb_index_test_3.sh'; \ b='gdb_index_test_3.sh'; \ @@ -9500,6 +9518,12 @@ uninstall-am: @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--gdb-index $< @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@gdb_index_test_2_gabi.stdout: gdb_index_test_2_gabi @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_READELF) --debug-dump=gdb_index $< > $@ +@GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@gdb_index_test_cdebug_zstd.o: gdb_index_test.cc +@GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g -Wa,--compress-debug-sections=zstd -c -o $@ $< +@GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@gdb_index_test_2_zstd: gdb_index_test_cdebug_zstd.o gcctestdir/ld +@GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--gdb-index $< +@GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@gdb_index_test_2_zstd.stdout: gdb_index_test_2_zstd +@GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_READELF) --debug-dump=gdb_index $< > $@ @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@gdb_index_test_3.o: gdb_index_test_3.c @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -O0 -g -c -o $@ $< @GCC_TRUE@@HAVE_PUBNAMES_TRUE@@NATIVE_LINKER_TRUE@gdb_index_test_3: gdb_index_test_3.o gcctestdir/ld diff --git a/gold/testsuite/gdb_index_test_2_zstd.sh b/gold/testsuite/gdb_index_test_2_zstd.sh new file mode 100755 index 00000000000..d53ad221d0f --- /dev/null +++ b/gold/testsuite/gdb_index_test_2_zstd.sh @@ -0,0 +1,24 @@ +#!/bin/sh + +# gdb_index_test_2_zstd.sh -- a test case for the --gdb-index option. + +# Copyright (C) 2022 Free Software Foundation, Inc. + +# This file is part of gold. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. + +# This program 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 General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, +# MA 02110-1301, USA. + +exec ${srcdir}/gdb_index_test_comm.sh gdb_index_test_2_zstd.stdout -- 2.38.0.rc1.362.ged0d419d3c-goog