Declare the unused registers for sgx_call() a 'long' instead of 'void *' and add a comment to explain that @rdi and @rsi are declared as 'void *' only because they're always used to pass pointers. Since the registers are pass-through values, 'long' is the more intuitive declaration. Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> --- tools/testing/selftests/x86/sgx/main.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/x86/sgx/main.c b/tools/testing/selftests/x86/sgx/main.c index 5b7575a948ba..b7b32cf144f4 100644 --- a/tools/testing/selftests/x86/sgx/main.c +++ b/tools/testing/selftests/x86/sgx/main.c @@ -303,7 +303,8 @@ void load_sigstruct(const char *path, struct sgx_sigstruct *sigstruct) close(fd); } -int sgx_call(void *rdi, void *rsi, long rdx, void *rcx, void *r8, void *r9, +/* Declare RDI and RSI as 'void *', they're always used to pass pointers. */ +int sgx_call(void *rdi, void *rsi, long rdx, long rcx, long r8, long r9, void *tcs, struct sgx_enclave_exception *ei, void *cb); int main(int argc, char *argv[], char *envp[]) @@ -336,8 +337,8 @@ int main(int argc, char *argv[], char *envp[]) encl_build(&secs, bin, bin_size, &sigstruct); - sgx_call((void *)&MAGIC, &result, 0, NULL, NULL, NULL, - (void *)secs.base, &exception, NULL); + sgx_call((void *)&MAGIC, &result, 0, 0, 0, 0, (void *)secs.base, + &exception, NULL); ASSERT_EQ(result, MAGIC); -- 2.22.0