mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-05-22 21:32:31 +00:00
Make improvements to cosmocc toolchain
This commit is contained in:
Justine Tunney
parent
8ff48201ca
commit
2676ec55de
8 changed files with 205 additions and 117 deletions
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@ -2,23 +2,50 @@
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#
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# cosmopolitan c++ compiler
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#
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# we assume you run the following beforehand
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# getting started
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#
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# sudo chmod 1777 /opt
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# cd /opt
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# git clone https://github.com/jart/cosmopolitan cosmo
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# cd cosmo
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# make -j
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# git clone https://github.com/jart/cosmopolitan /opt/cosmo
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# (cd /opt/cosmo; make -j8 toolchain)
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# sudo ln -sf /opt/cosmo/tool/scripts/cosmocc /usr/local/bin/cosmocc
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# sudo ln -sf /opt/cosmo/tool/scripts/cosmoc++ /usr/local/bin/cosmoc++
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# cosmoc++ -o hello.com hello.cc
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# ./foo.com
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# ./foo.com.dbg
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#
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# you can then use it to build open source projects, e.g.
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# building open source projects
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#
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# export CC=cosmocc
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# export CXX=cosmoc++
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# export LD=cosmoc++
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# ./configure --prefix=/opt/cosmos
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# make -j
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# make install
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#
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# cosmopolitan runtime flags
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#
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# ./hello.com --strace
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# ./hello.com --ftrace
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#
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# cosmpolitan runtime libraries
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#
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# #include <cosmo.h>
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# int main() {
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# ShowCrashReports();
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# __builtin_trap();
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# }
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#
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# building programs in tiny mode
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#
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# export MODE=tiny
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# (cd /opt/cosmo; make -j8 toolchain)
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# cosmoc++ -Os -o foo.com foo.cc
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#
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# hardening programs with memory safety
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#
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# export MODE=asan
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# (cd /opt/cosmo; make -j8 toolchain)
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# cosmoc++ -o foo.com foo.cc
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#
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MODE=${MODE:-$m}
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COSMO=${COSMO:-/opt/cosmo}
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@ -36,14 +63,14 @@ fi
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PLATFORM="-D__COSMOPOLITAN__"
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PREDEF="-include libc/integral/normalize.inc"
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CCFLAGS="-g -fdata-sections -ffunction-sections -fno-pie -mno-tls-direct-seg-refs -mno-red-zone -fportcosmo"
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CCFLAGS="-fdata-sections -ffunction-sections -fno-pie -mno-tls-direct-seg-refs -mno-red-zone -fportcosmo"
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CXXFLAGS="-fno-exceptions -fuse-cxa-atexit -fno-threadsafe-statics"
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CPPFLAGS="-DNDEBUG -nostdinc -iquote /opt/cosmo -isystem $COSMOS/include -isystem $COSMO/libc/isystem"
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LDFLAGS="-static -no-pie -nostdlib -fuse-ld=bfd -Wl,-melf_x86_64 -Wl,--gc-sections -L$COSMOS/lib -Wl,-T,$COSMO/o/$MODE/ape/public/ape.lds $COSMO/o/$MODE/ape/ape-no-modify-self.o $COSMO/o/$MODE/libc/crt/crt.o"
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LDLIBS="$COSMO/o/$MODE/third_party/libcxx/libcxx.a $COSMO/o/$MODE/cosmopolitan.a"
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CXX="$COSMO/o/$MODE/third_party/gcc/bin/x86_64-linux-musl-g++"
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OBJCOPY="$COSMO/o/$MODE/third_party/gcc/bin/x86_64-linux-musl-objcopy"
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CXX="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-g++"
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OBJCOPY="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-objcopy"
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FIXUPOBJ="$COSMO/o/$MODE/tool/build/fixupobj.com"
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ZIPCOPY="$COSMO/o/$MODE/tool/build/zipcopy.com"
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@ -57,6 +84,16 @@ if [ ! -d "$COSMOS" ]; then
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exit 1
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fi
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if [ ! -f "$CXX" ] ||
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[ ! -f "$OBJCOPY" ] ||
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[ ! -f "$FIXUPOBJ" ] ||
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[ ! -f "$ZIPCOPY" ]; then
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echo "error: cosmopolitan artifacts missing; please run" >&2
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echo " cd $COSMOS" >&2
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echo " make -j8 m=$MODE toolchain" >&2
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exit 1
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fi
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# auto-install some shell libraries
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if [ ! -d "$COSMOS/lib" ]; then
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mkdir "$COSMOS/lib"
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@ -128,24 +165,27 @@ set -- "$CXX" "$@"
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printf '(cd %s; %s)\n' "$PWD" "$*" >>/tmp/build.log
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"$@" || exit
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if [ $INTENT = cc ] && [ -n "$OUTPUT" ]; then
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"$FIXUPOBJ" "$OUTPUT" || exit
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elif [ $INTENT = ld ] && [ -n "$OUTPUT" ]; then
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if [ x"$OUTPUT" != x"${OUTPUT%.com}" ] ||
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[ x"$OUTPUT" != x"${OUTPUT%.exe}" ]; then
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# cosmocc -o foo.com ...
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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mv -f "$OUTPUT" "$OUTPUT.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT.dbg" "$OUTPUT" || exit
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"$ZIPCOPY" "$OUTPUT.dbg" "$OUTPUT" || exit
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else
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# cosmocc -o foo ...
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# -> foo (elf)
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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cp -f "$OUTPUT" "$OUTPUT.com.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT" "$OUTPUT.com" || exit
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"$ZIPCOPY" "$OUTPUT" "$OUTPUT.com" || exit
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if [ -n "$OUTPUT" ]; then
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if [ $INTENT = cc ] || [ $INTENT = ld ]; then
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"$FIXUPOBJ" "$OUTPUT" || exit
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fi
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if [ $INTENT = ld ]; then
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if [ x"$OUTPUT" != x"${OUTPUT%.com}" ] ||
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[ x"$OUTPUT" != x"${OUTPUT%.exe}" ]; then
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# cosmocc -o foo.com ...
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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mv -f "$OUTPUT" "$OUTPUT.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT.dbg" "$OUTPUT" || exit
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"$ZIPCOPY" "$OUTPUT.dbg" "$OUTPUT" || exit
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else
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# cosmocc -o foo ...
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# -> foo (elf)
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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cp -f "$OUTPUT" "$OUTPUT.com.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT" "$OUTPUT.com" || exit
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"$ZIPCOPY" "$OUTPUT" "$OUTPUT.com" || exit
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fi
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fi
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fi
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@ -2,23 +2,50 @@
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#
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# cosmopolitan c compiler
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#
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# we assume you run the following beforehand
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# getting started
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#
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# sudo chmod 1777 /opt
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# cd /opt
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# git clone https://github.com/jart/cosmopolitan cosmo
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# cd cosmo
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# make -j
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# git clone https://github.com/jart/cosmopolitan /opt/cosmo
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# (cd /opt/cosmo; make -j8 toolchain)
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# sudo ln -sf /opt/cosmo/tool/scripts/cosmocc /usr/local/bin/cosmocc
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# sudo ln -sf /opt/cosmo/tool/scripts/cosmoc++ /usr/local/bin/cosmoc++
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# cosmocc -o hello.com hello.c
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# ./foo.com
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# ./foo.com.dbg
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#
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# you can then use it to build open source projects, e.g.
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# building open source projects
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#
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# export CC=cosmocc
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# export CXX=cosmoc++
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# export LD=cosmoc++
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# ./configure --prefix=/opt/cosmos
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# make -j
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# make install
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#
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# cosmopolitan runtime flags
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#
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# ./hello.com --strace
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# ./hello.com --ftrace
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#
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# cosmpolitan runtime libraries
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#
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# #include <cosmo.h>
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# int main() {
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# ShowCrashReports();
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# __builtin_trap();
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# }
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#
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# building programs in tiny mode
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#
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# export MODE=tiny
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# (cd /opt/cosmo; make -j8 toolchain)
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# cosmocc -Os -o foo.com foo.c
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#
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# hardening programs with memory safety
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#
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# export MODE=asan
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# (cd /opt/cosmo; make -j8 toolchain)
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# cosmocc -o foo.com foo.c
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#
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MODE=${MODE:-$m}
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COSMO=${COSMO:-/opt/cosmo}
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@ -36,14 +63,14 @@ fi
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PLATFORM="-D__COSMOPOLITAN__"
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PREDEF="-include libc/integral/normalize.inc"
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CCFLAGS="-g -fdata-sections -ffunction-sections -fno-pie -mno-tls-direct-seg-refs -mno-red-zone -fportcosmo"
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CCFLAGS="-fdata-sections -ffunction-sections -fno-pie -mno-tls-direct-seg-refs -mno-red-zone -fportcosmo"
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CFLAGS=
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CPPFLAGS="-DNDEBUG -nostdinc -iquote /opt/cosmo -isystem $COSMOS/include -isystem $COSMO/libc/isystem"
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LDFLAGS="-static -no-pie -nostdlib -fuse-ld=bfd -Wl,-melf_x86_64 -Wl,--gc-sections -L$COSMOS/lib -Wl,-T,$COSMO/o/$MODE/ape/public/ape.lds $COSMO/o/$MODE/ape/ape-no-modify-self.o $COSMO/o/$MODE/libc/crt/crt.o"
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LDLIBS="$COSMO/o/$MODE/cosmopolitan.a"
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CC="$COSMO/o/$MODE/third_party/gcc/bin/x86_64-linux-musl-gcc"
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OBJCOPY="$COSMO/o/$MODE/third_party/gcc/bin/x86_64-linux-musl-objcopy"
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CC="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-gcc"
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OBJCOPY="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-objcopy"
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FIXUPOBJ="$COSMO/o/$MODE/tool/build/fixupobj.com"
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ZIPCOPY="$COSMO/o/$MODE/tool/build/zipcopy.com"
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@ -57,6 +84,16 @@ if [ ! -d "$COSMOS" ]; then
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exit 1
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fi
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if [ ! -f "$CC" ] ||
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[ ! -f "$OBJCOPY" ] ||
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[ ! -f "$FIXUPOBJ" ] ||
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[ ! -f "$ZIPCOPY" ]; then
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echo "error: cosmopolitan artifacts missing; please run" >&2
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echo " cd $COSMOS" >&2
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echo " make -j8 m=$MODE toolchain" >&2
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exit 1
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fi
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# auto-install some shell libraries
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if [ ! -d "$COSMOS/lib" ]; then
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mkdir "$COSMOS/lib"
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@ -128,24 +165,19 @@ set -- "$CC" "$@"
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printf '(cd %s; %s)\n' "$PWD" "$*" >>/tmp/build.log
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"$@" || exit
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if [ $INTENT = cc ] && [ -n "$OUTPUT" ]; then
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"$FIXUPOBJ" "$OUTPUT" || exit
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elif [ $INTENT = ld ] && [ -n "$OUTPUT" ]; then
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if [ x"$OUTPUT" != x"${OUTPUT%.com}" ] ||
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[ x"$OUTPUT" != x"${OUTPUT%.exe}" ]; then
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# cosmocc -o foo.com ...
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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mv -f "$OUTPUT" "$OUTPUT.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT.dbg" "$OUTPUT" || exit
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"$ZIPCOPY" "$OUTPUT.dbg" "$OUTPUT" || exit
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else
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# cosmocc -o foo ...
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# -> foo (elf)
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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cp -f "$OUTPUT" "$OUTPUT.com.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT" "$OUTPUT.com" || exit
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"$ZIPCOPY" "$OUTPUT" "$OUTPUT.com" || exit
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if [ -n "$OUTPUT" ] && [ -f "$OUTPUT" ]; then
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if [ $INTENT = cc ] || [ $INTENT = ld ]; then
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"$FIXUPOBJ" "$OUTPUT" || exit
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fi
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if [ $INTENT = ld ]; then
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if [ x"$OUTPUT" != x"${OUTPUT%.com}" ] ||
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[ x"$OUTPUT" != x"${OUTPUT%.exe}" ]; then
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# cosmocc -o foo.com ...
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# -> foo.com (ape)
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# -> foo.com.dbg (elf)
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mv -f "$OUTPUT" "$OUTPUT.dbg" || exit
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"$OBJCOPY" -S -O binary "$OUTPUT.dbg" "$OUTPUT" || exit
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"$ZIPCOPY" "$OUTPUT.dbg" "$OUTPUT" || exit
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fi
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fi
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fi
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