diff options
Diffstat (limited to 'build/unix/build-binutils/build-binutils.sh')
| -rwxr-xr-x | build/unix/build-binutils/build-binutils.sh | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/build/unix/build-binutils/build-binutils.sh b/build/unix/build-binutils/build-binutils.sh new file mode 100755 index 0000000000..3de8d7bc96 --- /dev/null +++ b/build/unix/build-binutils/build-binutils.sh @@ -0,0 +1,104 @@ +#!/bin/bash + +set -x + +make_flags="-j$(nproc)" + +root_dir="$1" + +cd $root_dir/binutils-source + +patch -p1 <<'EOF' +From 4476cc67e657d6b26cd453c555a611f1ab956660 Mon Sep 17 00:00:00 2001 +From: "H.J. Lu" <hjl.tools@gmail.com> +Date: Thu, 30 Aug 2018 09:21:57 -0700 +Subject: [PATCH] ld: Lookup section in output with the same name + +When there are more than one input sections with the same section name, +SECNAME, linker picks the first one to define __start_SECNAME and +__stop_SECNAME symbols. When the first input section is removed by +comdat group, we need to check if there is still an output section +with section name SECNAME. + + PR ld/23591 + * ldlang.c (undef_start_stop): Lookup section in output with + the same name. +--- + ld/ldlang.c | 18 ++++++++++++++++++ + 1 file changed, 18 insertions(+) + +diff --git a/ld/ldlang.c b/ld/ldlang.c +index 8878ccd..d644b56 100644 +--- a/ld/ldlang.c ++++ b/ld/ldlang.c +@@ -6097,6 +6097,24 @@ undef_start_stop (struct bfd_link_hash_entry *h) + || strcmp (h->u.def.section->name, + h->u.def.section->output_section->name) != 0) + { ++ asection *sec = bfd_get_section_by_name (link_info.output_bfd, ++ h->u.def.section->name); ++ if (sec != NULL) ++ { ++ /* When there are more than one input sections with the same ++ section name, SECNAME, linker picks the first one to define ++ __start_SECNAME and __stop_SECNAME symbols. When the first ++ input section is removed by comdat group, we need to check ++ if there is still an output section with section name ++ SECNAME. */ ++ asection *i; ++ for (i = sec->map_head.s; i != NULL; i = i->map_head.s) ++ if (strcmp (h->u.def.section->name, i->name) == 0) ++ { ++ h->u.def.section = i; ++ return; ++ } ++ } + h->type = bfd_link_hash_undefined; + h->u.undef.abfd = NULL; + } +-- +2.17.1 +EOF + +cd .. + +TARGETS="aarch64-linux-gnu arm-linux-gnueabi i686-w64-mingw32" + +gcc_major=8 +if [ -d $MOZ_FETCHES_DIR/sysroot ]; then + # Don't silently use a non-existing directory for C++ headers. + [ -d $MOZ_FETCHES_DIR/sysroot/usr/include/c++/$gcc_major ] || exit 1 + export CFLAGS="-g -O2 --sysroot=$MOZ_FETCHES_DIR/sysroot" + export CXXFLAGS="$CFLAGS -isystem $MOZ_FETCHES_DIR/sysroot/usr/include/c++/$gcc_major -isystem $MOZ_FETCHES_DIR/sysroot/usr/include/x86_64-linux-gnu/c++/$gcc_major" +fi + +# Build target-specific GNU as ; build them first so that the few documentation +# files they install are overwritten by the full binutils build. + +for target in $TARGETS; do + + mkdir binutils-$target + cd binutils-$target + + ../binutils-source/configure --prefix /tools/binutils/ --disable-gold --disable-ld --disable-binutils --disable-gprof --disable-nls --target=$target $EXTRA_CONFIGURE_FLAGS || exit 1 + make $make_flags || exit 1 + make install $make_flags DESTDIR=$root_dir || exit 1 + + cd .. +done + +# Build binutils +mkdir binutils-objdir +cd binutils-objdir + +# --enable-targets builds extra target support in ld. +# Enabling aarch64 support brings in arm support, so we don't need to specify that too. +../binutils-source/configure --prefix /tools/binutils/ --enable-gold --enable-plugins --disable-nls --enable-targets="$TARGETS" $EXTRA_CONFIGURE_FLAGS || exit 1 +make $make_flags || exit 1 +make install $make_flags DESTDIR=$root_dir || exit 1 + +cd .. + +# Make a package of the built binutils +cd $root_dir/tools +tar caf $root_dir/binutils.tar.zst binutils/ |