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# -*- perl -*-
#
# arch/arm/sysstub.ph
#
# Script to generate system call stubs
#
sub make_sysstub($$$$$@) {
my($outputdir, $fname, $type, $sname, $stype, @args) = @_;
open(OUT, '>', "${outputdir}/${fname}.S");
print OUT "#include <asm/unistd.h>\n";
print OUT "#include <klibc/asmmacros.h>\n";
print OUT " .text\n";
print OUT " .type ${fname}, #function\n";
print OUT " .globl ${fname}\n";
print OUT "#ifndef __thumb__\n";
print OUT "#ifndef __ARM_EABI__\n";
# ARM version first
print OUT " .balign 4\n";
print OUT "${fname}:\n";
print OUT " stmfd sp!,{r4,r5,lr}\n";
print OUT " ldr r4,[sp,#12]\n";
print OUT " ldr r5,[sp,#16]\n";
print OUT " swi # __NR_${sname}\n";
print OUT " b __syscall_common\n";
print OUT "#else /* __ARM_EABI__ */\n";
# ARM EABI version
print out " .balign 4\n";
print OUT "${fname}:\n";
print OUT " stmfd sp!,{r4,r5,r7,lr}\n";
print OUT " bl __syscall_common\n";
print OUT " .word __NR_${sname}\n";
print OUT "#endif /* __ARM_EABI__ */\n";
print OUT "#else /* __thumb__ */\n";
# Thumb version
print OUT " .balign 8\n";
print OUT " .thumb_func\n";
print OUT "${fname}:\n";
print OUT " push {r4,r5,r7,lr}\n";
print OUT " bl __syscall_common\n";
print OUT " .short __NR_${sname}\n";
print OUT "#endif /* __thumb__*/\n";
print OUT " .size ${fname},.-${fname}\n";
}
1;
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