diff options
Diffstat (limited to 'container/std/mksysnum_linux.pl')
| -rwxr-xr-x | container/std/mksysnum_linux.pl | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/container/std/mksysnum_linux.pl b/container/std/mksysnum_linux.pl deleted file mode 100755 index 0bb9d22d..00000000 --- a/container/std/mksysnum_linux.pl +++ /dev/null @@ -1,95 +0,0 @@ -#!/usr/bin/env perl -# Copyright 2009 The Go Authors. All rights reserved. -# Use of this source code is governed by a BSD-style -# license that can be found in the LICENSE file. - -use strict; -use POSIX (); - -my $command = "mksysnum_linux.pl ". join(' ', @ARGV); -my $uname_arch = (POSIX::uname)[4]; -my %syscall_cutoff_arch = ( - "x86" => 340, - "x86_64" => 302, - "aarch64" => 281, - "riscv64" => 281, -); - -print <<EOF; -// $command -// Code generated by the command above; DO NOT EDIT. - -package std - -import . "syscall" - -var syscallNum = map[string]ScmpSyscall{ -EOF - -my $offset = 0; -my $state = -1; - -sub fmt { - my ($name, $num) = @_; - if($num > 999){ - # ignore deprecated syscalls that are no longer implemented - # https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/unistd.h?id=refs/heads/master#n716 - return; - } - (my $name_upper = $name) =~ y/a-z/A-Z/; - $num = $num + $offset; - if($num > $syscall_cutoff_arch{$uname_arch} && $state == 0){ # not wired in Go standard library - print " SYS_$name_upper = $num\n"; - } - elsif($state == -1){ - print " \"$name\": SNR_$name_upper,\n"; - } - elsif($state == 1){ - print " SNR_$name_upper ScmpSyscall = SYS_$name_upper\n"; - } - else{ - return; - } -} - -GENERATE: - -my $prev; -open(GCC, "gcc -E -dD $ARGV[0] |") || die "can't run gcc"; -while(<GCC>){ - if(/^#define __NR_Linux\s+([0-9]+)/){ - # mips/mips64: extract offset - $offset = $1; - } - elsif(/^#define __NR_syscalls\s+/) { - # ignore redefinitions of __NR_syscalls - } - elsif(/^#define __NR_(\w+)\s+([0-9]+)/){ - $prev = $2; - fmt($1, $2); - } - elsif(/^#define __NR3264_(\w+)\s+([0-9]+)/){ - $prev = $2; - fmt($1, $2); - } - elsif(/^#define __NR_(\w+)\s+\(\w+\+\s*([0-9]+)\)/){ - fmt($1, $prev+$2) - } - elsif(/^#define __NR_(\w+)\s+\(__NR_Linux \+ ([0-9]+)/){ - fmt($1, $2); - } -} - -if($state == -1){ - print "}\n\nconst (\n"; -} -elsif($state == 0){ - print ")\n\nconst (\n"; -} -elsif($state == 1){ - print ")"; - exit; -} -++$state; -goto GENERATE; - |
