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-rw-r--r--usr/klibc/arch/loongarch64/sysstub.ph26
1 files changed, 26 insertions, 0 deletions
diff --git a/usr/klibc/arch/loongarch64/sysstub.ph b/usr/klibc/arch/loongarch64/sysstub.ph
new file mode 100644
index 0000000..699bdc2
--- /dev/null
+++ b/usr/klibc/arch/loongarch64/sysstub.ph
@@ -0,0 +1,26 @@
+# -*- perl -*-
+#
+# arch/loongarch64/sysstub.ph
+#
+# Script to generate system call stubs
+#
+
+# On LoongArch64, most system calls follow the standard convention, with
+# the system call number in a7 and the return value in a0.
+
+sub make_sysstub($$$$$@) {
+ my($outputdir, $fname, $type, $sname, $stype, @args) = @_;
+
+ $stype = $stype || 'common';
+ open(OUT, '>', "${outputdir}/${fname}.S");
+ print OUT "#include <machine/asm.h>\n";
+ print OUT "#include <asm/unistd.h>\n";
+ print OUT "\n";
+ print OUT "ENTRY(${fname})\n";
+ print OUT "\tli.w\t\$a7, __NR_${sname}\n";
+ print OUT "\tb\t__syscall_${stype}\n";
+ print OUT "END(${fname})\n";
+ close(OUT);
+}
+
+1;