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Add binfmt_misc workaround detector to builds This is a recently introduced Linux Kernel feature that gives people like Debian package mantainers the power to arbitrarily redefine how executables are interpreted by the kernel. If your system gets tuned this way and you're not able to disable it, then you need to restore default behavior for the APE MZqFpD prefix as follows: sudo sh -c "echo ':APE:M::MZqFpD::/bin/sh:' >/proc/sys/fs/binfmt_misc/register" This prefix will cover all .com executables built with this tooling. Please don't run the above command unless you're certain you need it. See #2 for additional context.
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#!/bin/sh
#
# OVERVIEW
#
# System Sanity Check
#
# DESCRIPTION
#
# This script is launched at the start of Makefile to detect if
# binfmt_misc was tuned to launch 'MZ' shell scripts under WINE
if [ x`uname -s` != xLinux ]; then
cat <<'EOF' >&2
ERROR
Want Linux Build Environment
DETAILS
Cosmopolitan builds binaries that run on all major platforms.
You need to compile them on Linux, using any distro you like.
Consider setting up Alpine, Debian, or Ubuntu in a VMWare VM.
EOF
kill $1
exit 1
fi
Write tests for new APE loader and fix bugs - Add FreeBSD-specific mmap() flags - Reduce size of the APE loader from 8kb to 4kb - Work towards fixing the Makefile build on WSL - Automate testing of APE no-modify-self behaviors - Make the ape.S shell script code cleaner and tinier - Improve the APE sanity check to test behavior better - Fixed issue with ShowCrashReports() sigaltstack() on BSDs - Delete symbols for S_MODE magnums which wasted compile time If you checked out yesterday's APE commit, please run: rm -f /usr/bin/ape o/tmp/ape /tmp/ape "${TMPDIR:-/tmp}/ape" Because this change fixes certain aspects of the new ABI. We don't have automated migrations for APE loader versions yet. Thanks! You can also download prebuilt binaries here: - https://justine.lol/ape.elf (Linux/FreeBSD/NetBSD/OpenBSD) - https://justine.lol/ape.macho (Apple) Install the appropriate one as `/usr/bin/ape`.
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if [ ! -f /proc/sys/fs/binfmt_misc/status ]; then
exit 0
fi
Fix some regressions with execution
2022-08-08 05:10:18 +00:00
if ! build/bootstrap/echo.com -n; then
Add binfmt_misc workaround detector to builds This is a recently introduced Linux Kernel feature that gives people like Debian package mantainers the power to arbitrarily redefine how executables are interpreted by the kernel. If your system gets tuned this way and you're not able to disable it, then you need to restore default behavior for the APE MZqFpD prefix as follows: sudo sh -c "echo ':APE:M::MZqFpD::/bin/sh:' >/proc/sys/fs/binfmt_misc/register" This prefix will cover all .com executables built with this tooling. Please don't run the above command unless you're certain you need it. See #2 for additional context.
2020-09-01 02:31:11 +00:00
cat <<'EOF' >&2
ERROR
Write tests for new APE loader and fix bugs - Add FreeBSD-specific mmap() flags - Reduce size of the APE loader from 8kb to 4kb - Work towards fixing the Makefile build on WSL - Automate testing of APE no-modify-self behaviors - Make the ape.S shell script code cleaner and tinier - Improve the APE sanity check to test behavior better - Fixed issue with ShowCrashReports() sigaltstack() on BSDs - Delete symbols for S_MODE magnums which wasted compile time If you checked out yesterday's APE commit, please run: rm -f /usr/bin/ape o/tmp/ape /tmp/ape "${TMPDIR:-/tmp}/ape" Because this change fixes certain aspects of the new ABI. We don't have automated migrations for APE loader versions yet. Thanks! You can also download prebuilt binaries here: - https://justine.lol/ape.elf (Linux/FreeBSD/NetBSD/OpenBSD) - https://justine.lol/ape.macho (Apple) Install the appropriate one as `/usr/bin/ape`.
2022-05-22 11:51:02 +00:00
APE Execution error.
Add binfmt_misc workaround detector to builds This is a recently introduced Linux Kernel feature that gives people like Debian package mantainers the power to arbitrarily redefine how executables are interpreted by the kernel. If your system gets tuned this way and you're not able to disable it, then you need to restore default behavior for the APE MZqFpD prefix as follows: sudo sh -c "echo ':APE:M::MZqFpD::/bin/sh:' >/proc/sys/fs/binfmt_misc/register" This prefix will cover all .com executables built with this tooling. Please don't run the above command unless you're certain you need it. See #2 for additional context.
2020-09-01 02:31:11 +00:00
DETAILS
Write tests for new APE loader and fix bugs - Add FreeBSD-specific mmap() flags - Reduce size of the APE loader from 8kb to 4kb - Work towards fixing the Makefile build on WSL - Automate testing of APE no-modify-self behaviors - Make the ape.S shell script code cleaner and tinier - Improve the APE sanity check to test behavior better - Fixed issue with ShowCrashReports() sigaltstack() on BSDs - Delete symbols for S_MODE magnums which wasted compile time If you checked out yesterday's APE commit, please run: rm -f /usr/bin/ape o/tmp/ape /tmp/ape "${TMPDIR:-/tmp}/ape" Because this change fixes certain aspects of the new ABI. We don't have automated migrations for APE loader versions yet. Thanks! You can also download prebuilt binaries here: - https://justine.lol/ape.elf (Linux/FreeBSD/NetBSD/OpenBSD) - https://justine.lol/ape.macho (Apple) Install the appropriate one as `/usr/bin/ape`.
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Your system has probably been configured to use binfmt_misc. You need
to run the command below to install /usr/bin/ape and register it with
binfmt_misc. See ape/loader.c for source code, and technical details.
Add binfmt_misc workaround detector to builds This is a recently introduced Linux Kernel feature that gives people like Debian package mantainers the power to arbitrarily redefine how executables are interpreted by the kernel. If your system gets tuned this way and you're not able to disable it, then you need to restore default behavior for the APE MZqFpD prefix as follows: sudo sh -c "echo ':APE:M::MZqFpD::/bin/sh:' >/proc/sys/fs/binfmt_misc/register" This prefix will cover all .com executables built with this tooling. Please don't run the above command unless you're certain you need it. See #2 for additional context.
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WORKAROUND
Support Linux binfmt_misc and APE loading on Apple The "no modify self" variant of Actually Portable Executable is now supported on all platforms. If you use `$(APE_NO_MODIFY_SELF)` then ld.bfd will embed a 4096 byte ELF binary and a 4096 byte Macho file which are installed on the fly to ${TMPDIR:-/tmp}, which enables us launch the executable, without needing to copy the whole executable To prevent it from copying a tiny executable to your temp directory you need to install the `ape` command (renamed from ape-loader), to a system path. For example: # FreeBSD / NetBSD / OpenBSD make -j8 o//ape/ape cp o//ape/ape /usr/bin/ape # Mac OS # make -j8 o//ape/ape.macho curl https://justine.lol/ape.macho >/usr/bin/ape chmod +x /usr/bin/ape On Linux you can get even more performance with the new binfmt_misc support which makes launching non-modifying APE binaries as fast as launching ELF executables. Running the following command: # Linux ape/apeinstall.sh Will copy APE loader to /usr/bin/ape and register with binfmt_misc Lastly, this change also fixes a really interesting race condition with OpenBSD thread joining.
2022-05-21 14:52:58 +00:00
ape/apeinstall.sh
Add binfmt_misc workaround detector to builds This is a recently introduced Linux Kernel feature that gives people like Debian package mantainers the power to arbitrarily redefine how executables are interpreted by the kernel. If your system gets tuned this way and you're not able to disable it, then you need to restore default behavior for the APE MZqFpD prefix as follows: sudo sh -c "echo ':APE:M::MZqFpD::/bin/sh:' >/proc/sys/fs/binfmt_misc/register" This prefix will cover all .com executables built with this tooling. Please don't run the above command unless you're certain you need it. See #2 for additional context.
2020-09-01 02:31:11 +00:00
Write tests for new APE loader and fix bugs - Add FreeBSD-specific mmap() flags - Reduce size of the APE loader from 8kb to 4kb - Work towards fixing the Makefile build on WSL - Automate testing of APE no-modify-self behaviors - Make the ape.S shell script code cleaner and tinier - Improve the APE sanity check to test behavior better - Fixed issue with ShowCrashReports() sigaltstack() on BSDs - Delete symbols for S_MODE magnums which wasted compile time If you checked out yesterday's APE commit, please run: rm -f /usr/bin/ape o/tmp/ape /tmp/ape "${TMPDIR:-/tmp}/ape" Because this change fixes certain aspects of the new ABI. We don't have automated migrations for APE loader versions yet. Thanks! You can also download prebuilt binaries here: - https://justine.lol/ape.elf (Linux/FreeBSD/NetBSD/OpenBSD) - https://justine.lol/ape.macho (Apple) Install the appropriate one as `/usr/bin/ape`.
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NOTES
If it still doesn't work, possibly due to an overly aggressive WINE
or WSL registration, or possibly due to the ordering of definitions,
then one troubleshooting step is to just unregister everything using
sudo sh -c 'echo -1 >/proc/sys/fs/binfmt_misc/status' and try again.
Add binfmt_misc workaround detector to builds This is a recently introduced Linux Kernel feature that gives people like Debian package mantainers the power to arbitrarily redefine how executables are interpreted by the kernel. If your system gets tuned this way and you're not able to disable it, then you need to restore default behavior for the APE MZqFpD prefix as follows: sudo sh -c "echo ':APE:M::MZqFpD::/bin/sh:' >/proc/sys/fs/binfmt_misc/register" This prefix will cover all .com executables built with this tooling. Please don't run the above command unless you're certain you need it. See #2 for additional context.
2020-09-01 02:31:11 +00:00
SEE ALSO
Write tests for new APE loader and fix bugs - Add FreeBSD-specific mmap() flags - Reduce size of the APE loader from 8kb to 4kb - Work towards fixing the Makefile build on WSL - Automate testing of APE no-modify-self behaviors - Make the ape.S shell script code cleaner and tinier - Improve the APE sanity check to test behavior better - Fixed issue with ShowCrashReports() sigaltstack() on BSDs - Delete symbols for S_MODE magnums which wasted compile time If you checked out yesterday's APE commit, please run: rm -f /usr/bin/ape o/tmp/ape /tmp/ape "${TMPDIR:-/tmp}/ape" Because this change fixes certain aspects of the new ABI. We don't have automated migrations for APE loader versions yet. Thanks! You can also download prebuilt binaries here: - https://justine.lol/ape.elf (Linux/FreeBSD/NetBSD/OpenBSD) - https://justine.lol/ape.macho (Apple) Install the appropriate one as `/usr/bin/ape`.
2022-05-22 11:51:02 +00:00
https://justine.lol/ape.html
Add binfmt_misc workaround detector to builds This is a recently introduced Linux Kernel feature that gives people like Debian package mantainers the power to arbitrarily redefine how executables are interpreted by the kernel. If your system gets tuned this way and you're not able to disable it, then you need to restore default behavior for the APE MZqFpD prefix as follows: sudo sh -c "echo ':APE:M::MZqFpD::/bin/sh:' >/proc/sys/fs/binfmt_misc/register" This prefix will cover all .com executables built with this tooling. Please don't run the above command unless you're certain you need it. See #2 for additional context.
2020-09-01 02:31:11 +00:00
EOF
kill $1
exit 1
fi
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