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refactored the testing system, fixed fput and removed arr_asm.sl

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igor
2026-02-16 14:32:13 +01:00
parent 02f54b8f86
commit 81ee4a8ff9
55 changed files with 683 additions and 376 deletions
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121
libs/nob.sl Normal file
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@@ -0,0 +1,121 @@
import stdlib/stdlib.sl
import stdlib/linux.sl
import stdlib/mem.sl
# sh [*, cmd_addr | cmd_len ] -> [* | exit_code ]
word sh
swap
>r # save cmd_addr
>r # save cmd_len
r@ 1 +
dup >r # stash len+1 for munmap
alloc
dup 0 < if
rdrop
rdrop
rdrop
else
dup >r # remember buffer pointer
drop
3 rpick # src addr
0 rpick # dst addr
swap
2 rpick # len
memcpy
0 rpick
2 rpick
+
0
c!
mem
"/bin/sh" drop
!
mem 8 +
"-c" drop
!
mem 16 +
0 rpick
!
mem 24 +
0
!
mem 32 +
0
!
syscall.fork
syscall
dup 0 < if
>r
1 rpick
2 rpick
free
r>
rdrop
rdrop
rdrop
rdrop
else
dup 0 == if
drop
"/bin/sh" drop
mem
dup
32 +
syscall.execve
syscall
drop
127
syscall.exit
syscall
else
mem
40 +
dup >r
0
0
syscall.wait4
syscall
dup 0 < if
>r
rdrop
1 rpick
2 rpick
free
r>
rdrop
rdrop
rdrop
rdrop
else
drop
0 rpick
@
rdrop
dup
128 %
dup 0 != if
swap drop
128 +
else
drop
256 /
end
>r
1 rpick
2 rpick
free
r>
rdrop
rdrop
rdrop
rdrop
end
end
end
end
end