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https://github.com/jart/cosmopolitan.git
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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
31
tool/build/freebsd2sysv.c
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31
tool/build/freebsd2sysv.c
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2023 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/elf/def.h"
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#include "libc/elf/struct/ehdr.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sysv/consts/map.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/prot.h"
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int main(int argc, char *argv[]) {
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open(argv[1], O_RDWR);
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Elf64_Ehdr *e = mmap(0, 64, PROT_READ | PROT_WRITE, MAP_SHARED, 3, 0);
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e->e_ident[EI_OSABI] = ELFOSABI_SYSV;
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}
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@ -1,68 +0,0 @@
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#!/bin/sh
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# arm64 backend compiler for fatcosmocc
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CC="$COSMO/o/third_party/gcc/bin/aarch64-linux-musl-gcc"
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CCFLAGS="-ffixed-x18 -ffixed-x28 -mno-outline-atomics"
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LDFLAGS="-static -nostdlib -no-pie -Wl,-z,norelro -Wl,-z,common-page-size=16384 -Wl,-z,max-page-size=16384"
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APEFLAGS="-L$COSMOS/lib/.aarch64 -Wl,--gc-sections -Wl,-T,$COSMO/o/$MODE/ape/aarch64.lds"
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LDLIBS="$COSMO/o/$MODE/cosmopolitan.a"
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if [ x"$PROG" != x"${PROG%++}" ]; then
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CC="$COSMO/o/third_party/gcc/bin/aarch64-linux-musl-g++"
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CCFLAGS="$CCFLAGS -fno-rtti -fno-exceptions -fuse-cxa-atexit"
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LDLIBS="$COSMO/o/$MODE/third_party/libcxx/libcxx.a $LDLIBS"
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fi
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log_command() {
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if [ -n "$BUILDLOG" ]; then
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printf '# %s\n(cd %s; %s)\n' "$ORIGINAL" "$PWD" "$*" >>"$BUILDLOG"
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fi
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}
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OPT=
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FIRST=1
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OUTPUT=
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INTENT=ld
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for x; do
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if [ $FIRST -eq 1 ]; then
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set --
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FIRST=0
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fi
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if [ x"$x" != x"${x#-O}" ]; then
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OPT=$x
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elif [ x"$x" = x"-c" ]; then
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INTENT=cc
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elif [ x"$x" != x"${x#-o}" ]; then
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OUTPUT=${x#-o}
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elif [ x"$x" != x"${x#-L}" ]; then
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x="$x/.aarch64"
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elif [ x"$x" = x"-march=native" ]; then
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continue # doesn't make sense for a cross compiler
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fi
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set -- "$@" "$x"
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done
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if [ x"$OPT" != x"-Os" ] && # $OPT != -Os
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[ x"${MODE%tiny}" = x"${MODE}" ]; then # $MODE not in (tiny, aarch64-tiny)
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# support --ftrace unless optimizing for size
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CCFLAGS="$CCFLAGS -fpatchable-function-entry=7,6"
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fi
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if [ $INTENT = cc ]; then
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set -- \
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"$CC" \
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$CCFLAGS \
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"$@"
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else
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set -- \
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"$CC" \
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"$COSMO/o/$MODE/libc/crt/crt.o" \
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"$@" \
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$LDFLAGS \
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$APEFLAGS \
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$LDLIBS
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fi
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log_command "$@"
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"$@" || exit
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"$FIXUPOBJ" "$OUTPUT" || exit
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@ -1,71 +0,0 @@
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#!/bin/sh
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# amd64 backend compiler for fatcosmocc
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CC="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-gcc"
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CFLAGS="-mno-tls-direct-seg-refs -mno-red-zone"
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LDFLAGS="-static -nostdlib -no-pie -Wl,-melf_x86_64 -Wl,-z,common-page-size=4096 -Wl,-z,max-page-size=4096 -fuse-ld=bfd"
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APEFLAGS="-L$COSMOS/lib -Wl,--gc-sections -Wl,-T,$COSMO/o/$MODE/ape/public/ape.lds"
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LDLIBS="$COSMO/o/$MODE/cosmopolitan.a"
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if [ x"$PROG" != x"${PROG%++}" ]; then
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CC="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-g++"
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CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -fuse-cxa-atexit"
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LDLIBS="$COSMO/o/$MODE/third_party/libcxx/libcxx.a $LDLIBS"
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fi
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log_command() {
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if [ -n "$BUILDLOG" ]; then
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printf '# %s\n(cd %s; %s)\n' "$ORIGINAL" "$PWD" "$*" >>"$BUILDLOG"
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fi
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}
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OPT=
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FIRST=1
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OUTPUT=
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INTENT=ld
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for x; do
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if [ $FIRST -eq 1 ]; then
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set --
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FIRST=0
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fi
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if [ x"$x" != x"${x#-O}" ]; then
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OPT=$x
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elif [ x"$x" = x"-c" ]; then
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INTENT=cc
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elif [ x"$x" != x"${x#-o}" ]; then
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OUTPUT=${x#-o}
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elif [ x"$x" = x"-march=native" ]; then
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continue # doesn't make sense for a cross compiler
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fi
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set -- "$@" "$x"
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done
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if [ x"$MODE" = x"nox87" ]; then
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CFLAGS="$CFLAGS -mlong-double-64"
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fi
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if [ x"$OPT" != x"-Os" ] && # $OPT != -Os
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[ x"${MODE%tiny}" = x"${MODE}" ]; then # $MODE not in (tiny, aarch64-tiny)
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# support --ftrace unless optimizing for size
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CFLAGS="$CFLAGS -fpatchable-function-entry=18,16"
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fi
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if [ $INTENT = cc ]; then
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set -- \
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"$CC" \
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$CFLAGS \
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"$@"
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else
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set -- \
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"$CC" \
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"$COSMO/o/$MODE/ape/ape.o" \
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"$COSMO/o/$MODE/libc/crt/crt.o" \
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"$@" \
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$LDFLAGS \
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$APEFLAGS \
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$LDLIBS
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fi
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log_command "$@"
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"$@" || exit
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"$FIXUPOBJ" "$OUTPUT" || exit
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