mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-07-16 07:39:56 +00:00
Refactor fatcosmocc into a single file
This commit is contained in:
Justine Tunney
parent
b494d56549
commit
0e586c834a
15 changed files with 217 additions and 240 deletions
185
bin/fatcosmocc
185
bin/fatcosmocc
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@ -101,11 +101,11 @@
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#
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# for further details, run `man gcc`
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export PROG=${0##*/}
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export COSMO=${COSMO:-/opt/cosmo}
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export COSMOS=${COSMOS:-/opt/cosmos}
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export ORIGINAL="$0 $*"
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export TMPDIR=${TMPDIR:-/tmp}
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PROG=${0##*/}
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COSMO=${COSMO:-/opt/cosmo}
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COSMOS=${COSMOS:-/opt/cosmos}
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ORIGINAL="$0 $*"
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TMPDIR=${TMPDIR:-/tmp}
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GCC_VERSION=11.2.0
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if [ "$1" = "--version" ]; then
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@ -186,8 +186,7 @@ if [ ! -f "$COSMOS/lib/libc.a" ] ||
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exit 1
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fi
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export FIXUPOBJ="$COSMO/o//tool/build/fixupobj.com"
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FIXUPOBJ="$COSMO/o//tool/build/fixupobj.com"
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TEMP_FILES=
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SAVE_TEMPS=0
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@ -209,9 +208,15 @@ fatal_error() {
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Exit 1
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}
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log_original() {
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if [ -n "$BUILDLOG" ]; then
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printf '# %s\n' "$ORIGINAL" >>"$BUILDLOG"
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fi
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}
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log_command() {
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if [ -n "$BUILDLOG" ]; then
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printf '# %s\n(cd %s; %s)\n' "$ORIGINAL" "$PWD" "$*" >>"$BUILDLOG"
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printf '(cd %s; %s)\n' "$PWD" "$*" >>"$BUILDLOG"
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fi
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}
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@ -227,6 +232,7 @@ OPT=
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ARGS=
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FLAGS=
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OUTPUT=
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MCOSMO=0
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INTENT=ld
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NEED_JOIN=
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NEED_EQUAL=
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@ -279,10 +285,13 @@ for x; do
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continue
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elif [ x"$x" = x"-v" ]; then
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exec 3<&2 # dup2(2, 3) b/c stderr will be redirected later
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export BUILDLOG=/dev/fd/3
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BUILDLOG=/dev/fd/3
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continue
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elif [ x"$x" = x"-save-temps" ]; then
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SAVE_TEMPS=1
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elif [ x"$x" = x"-mcosmo" ]; then
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MCOSMO=1
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continue
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elif [ x"$x" = x"-fomit-frame-pointer" ]; then
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# Quoth Apple: "The frame pointer register must always address a
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# valid frame record. Some functions — such as leaf functions or
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@ -357,27 +366,61 @@ fi
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PLATFORM="-D__COSMOPOLITAN__ -D__COSMOCC__ -D__FATCOSMOCC__"
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PREDEF="-include libc/integral/normalize.inc"
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CPPFLAGS="-nostdinc -iquote $COSMO -isystem $COSMOS/include -isystem $COSMO/libc/isystem -fno-pie -fno-math-errno"
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CCFLAGS_START="-fportcosmo -fno-dwarf2-cfi-asm -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-semantic-interposition"
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CCFLAGS_END="-fno-omit-frame-pointer"
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CPPFLAGS="-fno-pie -nostdinc -fno-math-errno -iquote $COSMO -isystem $COSMOS/include -isystem $COSMO/libc/isystem"
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CFLAGS="-fportcosmo -fno-dwarf2-cfi-asm -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-semantic-interposition"
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LDFLAGS="-static -nostdlib -no-pie -fuse-ld=bfd -Wl,-z,norelro -Wl,--gc-sections"
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PRECIOUS="-fno-omit-frame-pointer"
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if [ x"$OPT" != x"-Os" ] && [ x"$MODE" != x"tiny" ]; then
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CFLAGS="$CFLAGS -fno-optimize-sibling-calls -mno-omit-leaf-frame-pointer"
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fi
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CC_X86_64="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-gcc"
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CC_AARCH64="$COSMO/o/third_party/gcc/bin/aarch64-linux-musl-gcc"
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if [ x"$PROG" != x"${PROG%++}" ]; then
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CC_X86_64="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-g++"
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CC_AARCH64="$COSMO/o/third_party/gcc/bin/aarch64-linux-musl-g++"
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CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -fuse-cxa-atexit"
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fi
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CRT_X86_64="$COSMO/o/$MODE/ape/ape.o $COSMO/o/$MODE/libc/crt/crt.o"
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CPPFLAGS_X86_64="$CPPFLAGS -mno-red-zone"
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CFLAGS_X86_64="$CFLAGS -mno-tls-direct-seg-refs"
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LDFLAGS_X86_64="$LDFLAGS -L$COSMOS/lib -Wl,-T,$COSMO/o/$MODE/ape/ape.lds -Wl,-z,common-page-size=4096 -Wl,-z,max-page-size=4096"
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LDLIBS_X86_64="$COSMO/o/$MODE/cosmopolitan.a"
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if [ $MCOSMO -eq 1 ]; then
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CPPFLAGS_X86_64="${CPPFLAGS_X86_64} -D_COSMO_SOURCE"
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fi
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CRT_AARCH64="$COSMO/o/$MODE_AARCH64/libc/crt/crt.o"
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CPPFLAGS_AARCH64="$CPPFLAGS"
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CFLAGS_AARCH64="$CFLAGS -ffixed-x18 -ffixed-x28 -mno-outline-atomics"
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LDFLAGS_AARCH64="$LDFLAGS -L$COSMOS/lib/.aarch64 -Wl,-T,$COSMO/o/${MODE_AARCH64}/ape/aarch64.lds -Wl,-z,common-page-size=16384 -Wl,-z,max-page-size=16384"
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LDLIBS_AARCH64="$COSMO/o/${MODE_AARCH64}/cosmopolitan.a"
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if [ x"$OPT" != x"-Os" ] && [ x"$MODE" != x"tiny" ]; then
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CFLAGS_X86_64="${CFLAGS_X86_64} -fpatchable-function-entry=18,16"
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CFLAGS_AARCH64="${CFLAGS_AARCH64} -fpatchable-function-entry=7,6"
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fi
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if [ x"$PROG" != x"${PROG%++}" ]; then
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LDLIBS_X86_64="$COSMO/o/$MODE/third_party/libcxx/libcxx.a ${LDLIBS_X86_64}"
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LDLIBS_AARCH64="$COSMO/o/${MODE_AARCH64}/third_party/libcxx/libcxx.a ${LDLIBS_AARCH64}"
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fi
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if [ x"$MODE" = x"dbg" ]; then
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CPPFLAGS_START="-fsanitize=address -fsanitize=undefined"
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fi
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if [ x"$OPT" != x"-Os" ] &&
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[ x"${MODE#tiny}" != x"${MODE}" ]; then
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CCFLAGS_START="${CCFLAGS_START} -fno-optimize-sibling-calls -mno-omit-leaf-frame-pointer"
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CPPFLAGS_X86_64="${CPPFLAGS_X86_64} -fsanitize=address -fsanitize=undefined"
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CPPFLAGS_AARCH64="${CPPFLAGS_AARCH64} -fsanitize=undefined"
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fi
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log_original
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if [ $INTENT = cpp ]; then
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if [ -n "$OUTPUT" ]; then
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ARGS="$ARGS -o$OUTPUT"
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fi
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CC="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-gcc"
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if [ x"$PROG" != x"${PROG%++}" ]; then
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CC="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-g++"
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fi
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set -- \
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"$CC" \
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"$CC_X86_64" \
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-U__k8 \
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-U__k8__ \
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-U__amd64 \
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@ -419,26 +462,43 @@ mktemper() {
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build_object() {
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out2=$(mktemper .txt) || Exit
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TEMP_FILES="${TEMP_FILES} $out2"
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MODE="$MODE" \
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"$COSMO/tool/scripts/fat-x86_64" \
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-o"$OUTPUT_X86_64" \
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$PLATFORM \
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$PREDEF \
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$CPPFLAGS \
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$CCFLAGS_START \
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"$@" \
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$CCFLAGS_END &
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(
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set -- \
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"$CC_X86_64" \
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-o"$OUTPUT_X86_64" \
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$PLATFORM \
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$PREDEF \
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$CFLAGS_X86_64 \
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$CPPFLAGS_X86_64 \
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"$@" \
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$PRECIOUS
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log_command "$@"
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"$@" || exit
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set -- \
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"$COSMO/o//tool/build/fixupobj.com" \
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"$OUTPUT_X86_64"
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log_command "$@"
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exec "$@"
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) &
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pid1=$!
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MODE="$MODE_AARCH64" \
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"$COSMO/tool/scripts/fat-aarch64" \
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-o"$OUTPUT_AARCH64" \
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$PLATFORM \
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$PREDEF \
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$CPPFLAGS \
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$CCFLAGS_START \
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"$@" \
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$CCFLAGS_END \
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2>"$out2" &
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(
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set -- \
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"$CC_AARCH64" \
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-o"$OUTPUT_AARCH64" \
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$PLATFORM \
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$PREDEF \
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$CFLAGS_AARCH64 \
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$CPPFLAGS_AARCH64 \
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"$@" \
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$PRECIOUS &&
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log_command "$@"
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"$@" || exit
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set -- \
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"$COSMO/o//tool/build/fixupobj.com" \
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"$OUTPUT_AARCH64"
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log_command "$@"
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exec "$@"
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) 2>"$out2" &
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pid2=$!
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if ! wait $pid1; then
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kill $pid2 2>/dev/null
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@ -446,7 +506,7 @@ build_object() {
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Exit 1
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fi
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if ! wait $pid2; then
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echo "$PROG: x86_64 succeeded but failed to build object for aarch64:" >&2
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echo "$PROG: x86_64 succeeded but aarch64 failed to build object" >&2
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cat "$out2" >&2
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Exit 1
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fi
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@ -460,6 +520,9 @@ for x in $ARGS; do
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[ x"$x" != x"${x#-*}" ]; then # startswith(x, "-")
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# this argument is a flag
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LDARGS_X86_64="${LDARGS_X86_64} $x"
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if [ x"$x" != x"${x#-L}" ]; then # startswith(x, "-L")
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x="$x/.aarch64"
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fi
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LDARGS_AARCH64="${LDARGS_AARCH64} $x"
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else
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# this argument is an input file
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@ -515,11 +578,39 @@ OUTPUT_AARCH64=$(mktemper ".aarch64.elf") || Exit
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out2=$(mktemper .txt) || Exit
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TEMP_FILES="${TEMP_FILES} $out2"
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MODE="$MODE" \
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"$COSMO/tool/scripts/fat-x86_64" -o"$OUTPUT_X86_64" $LDARGS_X86_64 &
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(
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set -- \
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"$CC_X86_64" \
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-o"$OUTPUT_X86_64"\
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$CRT_X86_64 \
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$LDFLAGS_X86_64 \
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$LDARGS_X86_64 \
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$LDLIBS_X86_64
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log_command "$@"
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"$@" || exit
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set -- \
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"$COSMO/o//tool/build/fixupobj.com" \
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"$OUTPUT_X86_64"
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log_command "$@"
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exec "$@"
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) &
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pid1=$!
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MODE="$MODE_AARCH64" \
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"$COSMO/tool/scripts/fat-aarch64" -o"$OUTPUT_AARCH64" $LDARGS_AARCH64 2>"$out2" &
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(
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set -- \
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"$CC_AARCH64" \
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-o"$OUTPUT_AARCH64"\
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$CRT_AARCH64 \
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$LDFLAGS_AARCH64 \
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$LDARGS_AARCH64 \
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$LDLIBS_AARCH64
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log_command "$@"
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"$@" || exit
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set -- \
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"$COSMO/o//tool/build/fixupobj.com" \
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"$OUTPUT_AARCH64"
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log_command "$@"
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exec "$@"
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) 2>"$out2" &
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pid2=$!
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if ! wait $pid1; then
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kill $pid2 2>/dev/null
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@ -527,7 +618,7 @@ if ! wait $pid1; then
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Exit 1
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fi
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if ! wait $pid2; then
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echo "$PROG: x86_64 succeeded but failed to link executable for aarch64:" >&2
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echo "$PROG: x86_64 succeeded but aarch64 failed to link executable" >&2
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cat "$out2" >&2
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Exit 1
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fi
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