3 # arch/s390x/sysstub.ph
5 # Script to generate system call stubs
8 sub make_sysstub($$$$@) {
9 my($fname, $type, $sname, $stype, @args) = @_;
11 open(OUT, '>', "syscalls/${fname}.S");
12 print OUT "#include <asm/unistd.h>\n";
14 print OUT "\t.type ${fname},\@function\n";
15 print OUT "\t.globl ${fname}\n";
16 print OUT "${fname}:\n";
17 print OUT ".if __NR_${sname} < 256\n";
18 print OUT "\tsvc __NR_${sname}\n";
20 print OUT "\tlghi %r1,__NR_${sname}\n";
21 print OUT "\tsvc 0\n";
23 print OUT "\tbrasl %r3,__syscall_common\n";
24 print OUT "\t.size ${fname},.-${fname}\n";