selftests/x86/syscall_nt: Add more flag combinations (e4ef7de1) · Commits · 戴 / test

tools/testing/selftests/x86/syscall_nt.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -73,6 +73,12 @@ int main(void)
		printf("[RUN]\tSet NT and issue a syscall\n");
		do_it(X86_EFLAGS_NT);

		printf("[RUN]\tSet AC and issue a syscall\n");
		do_it(X86_EFLAGS_AC);

		printf("[RUN]\tSet NT\|AC and issue a syscall\n");
		do_it(X86_EFLAGS_NT \| X86_EFLAGS_AC);

		/*
		* Now try it again with TF set -- TF forces returns via IRET in all
		* cases except non-ptregs-using 64-bit full fast path syscalls.
		@@ -80,8 +86,17 @@ int main(void)

		sethandler(SIGTRAP, sigtrap, 0);

		printf("[RUN]\tSet TF and issue a syscall\n");
		do_it(X86_EFLAGS_TF);

		printf("[RUN]\tSet NT\|TF and issue a syscall\n");
		do_it(X86_EFLAGS_NT \| X86_EFLAGS_TF);

		printf("[RUN]\tSet AC\|TF and issue a syscall\n");
		do_it(X86_EFLAGS_AC \| X86_EFLAGS_TF);

		printf("[RUN]\tSet NT\|AC\|TF and issue a syscall\n");
		do_it(X86_EFLAGS_NT \| X86_EFLAGS_AC \| X86_EFLAGS_TF);

		return nerrs == 0 ? 0 : 1;
		}