# scno.h make rules for strace.
#
# Copyright (c) 2017-2021 Dmitry V. Levin <ldv@strace.io>
# All rights reserved.
#
# SPDX-License-Identifier: LGPL-2.1-or-later

SCNO_CPPFLAGS = $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
		$(ARCH_MFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS)

syscallent.i: $(top_builddir)/src/config.h $(top_srcdir)/src/$(OS)/$(ARCH)/syscallent.h
	$(CPP) -P $(SCNO_CPPFLAGS) -include $^ -o $@

digits = [[:digit:]][[:digit:]]*
al_nums = [[:alnum:]_][[:alnum:]_]*
SCNO_SED = /TRACE_INDIRECT_SUBCALL/d; s/^\[[[:space:]]*\($(digits)\([[:space:]]*+[[:space:]]*$(digits)\)\?\)\][[:space:]]*=[[:space:]]*{[^,]*,[^,]*,[^,]*,[[:space:]]*"\($(al_nums)\)"[[:space:]]*},.*/\#ifndef __NR_\3\n\# define __NR_\3 (SYSCALL_BIT | (\1))\n\#endif/p

scno.h: $(top_srcdir)/src/scno.head syscallent.i
	echo '/* Generated by Makefile from $^; do not edit. */' > $@-t
	cat $< >> $@-t
	LC_ALL=C sed -n '$(SCNO_SED)' $(filter-out $<,$^) >> $@-t
	mv $@-t $@

BUILT_SOURCES += scno.h
CLEANFILES += syscallent.i scno.h