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https://github.com/jart/cosmopolitan.git
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db0d8dd806
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.
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|---|---|---|
| .. | ||
| access_test.c | ||
| chdir_test.c | ||
| clock_gettime_test.c | ||
| commandv_test.c | ||
| dup_test.c | ||
| execve_test.c | ||
| fcntl_test.c | ||
| fileexists_test.c | ||
| ftruncate_test.c | ||
| getcwd_test.c | ||
| getitimer_test.c | ||
| ioctl_siocgifconf_test.c | ||
| lseek_test.c | ||
| mkdir_test.c | ||
| mkntcmdline_test.c | ||
| mkntenvblock_test.c | ||
| mkntpath_test.c | ||
| open_test.c | ||
| pipe_test.c | ||
| pread_test.c | ||
| printargs_test.c | ||
| read_test.c | ||
| readansi_test.c | ||
| readlinkat_test.c | ||
| renameat_test.c | ||
| sched_getaffinity_test.c | ||
| seccomp_test.c | ||
| setitimer_test.c | ||
| setrlimit_test.c | ||
| sigaction_test.c | ||
| signal_test.c | ||
| sigprocmask_test.c | ||
| sigsuspend_test.c | ||
| stat_test.c | ||
| symlinkat_test.c | ||
| test.mk | ||
| tkill_test.c | ||
| unlinkat_test.c | ||
| vfork_test.c | ||
| write_test.c | ||
| writev_test.c | ||