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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`.
This commit is contained in:
Justine Tunney
parent
056dc5f554
commit
4e9662cbc7
75 changed files with 759 additions and 443 deletions
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@ -224,22 +224,25 @@ syscon mmap MAP_PRIVATE 2 2 2 2 2 2 # forced consensus & faked nt
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syscon mmap MAP_STACK 6 6 6 6 6 6 # our definition
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syscon mmap MAP_TYPE 15 15 15 15 15 15 # mask for type of mapping
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syscon mmap MAP_FIXED 0x00000010 0x00000010 0x00000010 0x00000010 0x00000010 0x00000010 # unix consensus; openbsd appears to forbid; faked nt
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syscon mmap MAP_FIXED_NOREPLACE 0x08000000 0x08000000 0x08000000 0x08000000 0x08000000 0x08000000 # handled and defined by cosmo runtime; 0x100000 on linux 4.7+
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syscon mmap MAP_FIXED_NOREPLACE 0x08000000 0x00004010 0x08000000 0x08000000 0x08000000 0x08000000 # handled and defined by cosmo runtime; 0x100000 on linux 4.7+; MAP_FIXED|MAP_EXCL on FreeBSD
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syscon mmap MAP_ANONYMOUS 0x00000020 0x00001000 0x00001000 0x00001000 0x00001000 0x00000020 # bsd consensus; faked nt
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syscon mmap MAP_GROWSDOWN 0x00000100 0 0 0 0 0 # use MAP_STACK; abstracted by MAP_STACK; may be passed to __sys_mmap() for low-level Linux fiddling
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syscon mmap MAP_CONCEAL 0 0 0x00020000 0x00008000 0x00008000 0 # omit from core dumps; MAP_NOCORE on FreeBSD
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syscon mmap MAP_LOCKED 0x00002000 0 0 0 0 0
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syscon mmap MAP_NORESERVE 0x00004000 0x00000040 0 0 0x00000040 0 # Linux calls it "reserve"; NT calls it "commit"? which is default?
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syscon mmap MAP_POPULATE 0x00008000 0 0 0 0 0 # can avoid madvise(MADV_WILLNEED) on private file mapping
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syscon mmap MAP_POPULATE 0x00008000 0 0x00040000 0 0 0 # MAP_PREFAULT_READ on FreeBSD; can avoid madvise(MADV_WILLNEED) on private file mapping
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syscon mmap MAP_NONBLOCK 0x00010000 0 0 0 0 0
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syscon mmap MAP_HUGETLB 0x00040000 0 0 0 0 0x80000000 # kNtSecLargePages
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syscon mmap MAP_INHERIT -1 -1 -1 -1 0x00000080 -1 # make it inherit across execve()
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syscon mmap MAP_HASSEMAPHORE 0 0x00000200 0x00000200 0 0x00000200 0 # does it matter on x86?
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syscon mmap MAP_NOSYNC 0 0 0x00000800 0 0 0 # flush to physical media only when necessary rather than gratuitously; be sure to use write() rather than ftruncate() with this!
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syscon mmap MAP_CONCEAL 0 0 0x00020000 0x00008000 0x00008000 0 # omit from core dumps; MAP_NOCORE on FreeBSD
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syscon mmap MAP_HUGE_MASK 63 0 0 0 0 0
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syscon mmap MAP_HUGE_SHIFT 26 0 0 0 0 0
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syscon compat MAP_NOCORE 0 0 0x0020000 0x8000 0x8000 0 # use MAP_CONCEAL
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syscon compat MAP_ANON 0x20 0x1000 0x0001000 0x1000 0x1000 0x20 # bsd consensus; faked nt
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syscon compat MAP_EXECUTABLE 0x1000 0 0 0 0 0 # ignored
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syscon compat MAP_DENYWRITE 0x0800 0 0 0 0 0
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syscon compat MAP_32BIT 0x40 0 0x080000 0 0 0 # iffy
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syscon compat MAP_NOCORE 0 0 0x00020000 0x00008000 0x00008000 0 # use MAP_CONCEAL
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syscon compat MAP_ANON 0x00000020 0x00001000 0x00001000 0x00001000 0x00001000 0x00000020 # bsd consensus; faked nt
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syscon compat MAP_EXECUTABLE 0x00001000 0 0 0 0 0 # ignored
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syscon compat MAP_DENYWRITE 0x00000800 0 0 0 0 0
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syscon compat MAP_32BIT 0x00000040 0 0x00080000 0 0 0 # iffy
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# madvise() flags
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#
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@ -337,36 +340,6 @@ syscon waitid WEXITED 4 4 0x10 0 32 0
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syscon waitid WSTOPPED 2 8 2 0 2 0
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syscon waitid WNOWAIT 0x01000000 0x20 8 0 0x10000 0
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# stat::st_mode constants
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#
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# group name GNU/Systemd XNU's Not UNIX! FreeBSD OpenBSD NetBSD The New Technology Commentary
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syscon stat S_IFREG 0100000 0100000 0100000 0100000 0100000 0100000 # regular file (unix consensus; faked nt)
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syscon stat S_IFBLK 0060000 0060000 0060000 0060000 0060000 0060000 # block device (unix consensus; faked nt)
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syscon stat S_IFCHR 0020000 0020000 0020000 0020000 0020000 0020000 # character device (unix consensus; faked nt)
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syscon stat S_IFDIR 0040000 0040000 0040000 0040000 0040000 0040000 # directory (unix consensus; faked nt)
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syscon stat S_IFIFO 0010000 0010000 0010000 0010000 0010000 0010000 # pipe (unix consensus; faked nt)
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syscon stat S_IFLNK 0120000 0120000 0120000 0120000 0120000 0120000 # symbolic link (unix consensus; faked nt)
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syscon stat S_IFSOCK 0140000 0140000 0140000 0140000 0140000 0140000 # socket (unix consensus; faked nt)
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syscon stat S_IFMT 0170000 0170000 0170000 0170000 0170000 0170000 # FILE TYPE MASK (unix consensus; faked nt)
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syscon stat S_ISVTX 0001000 0001000 0001000 0001000 0001000 0001000 # THE STICKY BIT (unix consensus; faked nt)
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syscon stat S_ISGID 0002000 0002000 0002000 0002000 0002000 0002000 # the setgid bit (unix consensus; faked nt)
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syscon stat S_ISUID 0004000 0004000 0004000 0004000 0004000 0004000 # the setuid bit (unix consensus; faked nt)
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syscon stat S_IEXEC 0000100 0000100 0000100 0000100 0000100 0000100 # just use octal (unix consensus; faked nt)
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syscon stat S_IWRITE 0000200 0000200 0000200 0000200 0000200 0000200 # just use octal (unix consensus; faked nt)
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syscon stat S_IREAD 0000400 0000400 0000400 0000400 0000400 0000400 # just use octal (unix consensus; faked nt)
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syscon stat S_IXUSR 0000100 0000100 0000100 0000100 0000100 0000100 # just use octal (unix consensus; faked nt)
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syscon stat S_IWUSR 0000200 0000200 0000200 0000200 0000200 0000200 # just use octal (unix consensus; faked nt)
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syscon stat S_IRUSR 0000400 0000400 0000400 0000400 0000400 0000400 # just use octal (unix consensus; faked nt)
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syscon stat S_IRWXU 0000700 0000700 0000700 0000700 0000700 0000700 # just use octal (unix consensus; faked nt)
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syscon stat S_IXGRP 0000010 0000010 0000010 0000010 0000010 0000010 # just use octal (unix consensus; faked nt)
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syscon stat S_IWGRP 0000020 0000020 0000020 0000020 0000020 0000020 # just use octal (unix consensus; faked nt)
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syscon stat S_IRGRP 0000040 0000040 0000040 0000040 0000040 0000040 # just use octal (unix consensus; faked nt)
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syscon stat S_IRWXG 0000070 0000070 0000070 0000070 0000070 0000070 # just use octal (unix consensus; faked nt)
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syscon stat S_IXOTH 0000001 0000001 0000001 0000001 0000001 0000001 # just use octal (unix consensus; faked nt)
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syscon stat S_IWOTH 0000002 0000002 0000002 0000002 0000002 0000002 # just use octal (unix consensus; faked nt)
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syscon stat S_IROTH 0000004 0000004 0000004 0000004 0000004 0000004 # just use octal (unix consensus; faked nt)
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syscon stat S_IRWXO 0000007 0000007 0000007 0000007 0000007 0000007 # just use octal (unix consensus; faked nt)
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# fcntl()
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#
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# group name GNU/Systemd XNU's Not UNIX! FreeBSD OpenBSD NetBSD The New Technology Commentary
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@ -605,7 +578,8 @@ syscon sicode SYS_USER_DISPATCH 2 -1 -1 -1 -1 -1 # SIGSYS; syscall
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# sigaltstack() values
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#
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# group name GNU/Systemd XNU's Not UNIX! FreeBSD OpenBSD NetBSD The New Technology Commentary
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syscon ss SIGSTKSZ 0x2000 0x020000 0x8800 0x7000 0x7000 0x2000
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syscon ss SIGSTKSZ 8192 131072 34816 28672 28672 8192 # overlayed with STACKSIZE; you need to #undef SIGSTKSZ to access this symbol
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syscon ss MINSIGSTKSZ 2048 32768 2048 12288 8192 2048 # overlayed with 32768; you need to #undef MINSIGSTKSZ to access this symbol
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syscon ss SS_ONSTACK 1 1 1 1 1 1 # unix consensus
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syscon ss SS_DISABLE 2 4 4 4 4 2 # bsd consensus
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@ -3131,7 +3105,6 @@ syscon misc CSTATUS 0 20 20 255 255 0
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syscon misc DEAD_PROCESS 8 8 7 0 0 0
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syscon misc FNM_NOSYS -1 -1 -1 2 2 0
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syscon misc INIT_PROCESS 5 5 5 0 0 0
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syscon misc MINSIGSTKSZ 0x0800 0x8000 0x0800 0x3000 0x2000 0
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syscon misc MQ_PRIO_MAX 0x8000 0 0x40 0 0 0
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syscon misc MTERASE 13 0 12 9 9 0
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syscon misc MTLOAD 30 0 19 0 0 0
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