rcutorture: Make use of nolibc when available (b94ec368) · Commits · 戴 / test

tools/testing/selftests/rcutorture/bin/mkinitrd.sh

+17 −1

Original line number	Diff line number	Diff line
		@@ -82,8 +82,10 @@ cd $D
		mkdir -p initrd
		cd initrd
		cat > init.c << '___EOF___'
		#ifndef NOLIBC
		#include <unistd.h>
		#include <sys/time.h>
		#endif

		volatile unsigned long delaycount;

		@@ -113,7 +115,21 @@ int main(int argc, int argv[])
		return 0;
		}
		___EOF___

		# build using nolibc on supported archs (smaller executable) and fall
		# back to regular glibc on other ones.
		if echo -e "#if __x86_64__\|\|__i386__\|\|__i486__\|\|__i586__\|\|__i686__" \
		"\|\|__ARM_EABI__\|\|__aarch64__\nyes\n#endif" \
		\| ${CROSS_COMPILE}gcc -E -nostdlib -xc - \
		\| grep -q '^yes'; then
		# architecture supported by nolibc
		${CROSS_COMPILE}gcc -fno-asynchronous-unwind-tables -fno-ident \
		-nostdlib -include ../bin/nolibc.h -lgcc -s -static -Os \
		-o init init.c
		else
		${CROSS_COMPILE}gcc -s -static -Os -o init init.c
		fi

		rm init.c
		echo "Done creating a statically linked C-language initrd"