Add a selftest to call __vsgx_enter_enclave() from C.
Suggested-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
---
tools/testing/selftests/x86/sgx/main.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/x86/sgx/main.c b/tools/testing/selftests/x86/sgx/main.c
index 9b89946a976b..bf64fa857983 100644
--- a/tools/testing/selftests/x86/sgx/main.c
+++ b/tools/testing/selftests/x86/sgx/main.c
@@ -21,7 +21,7 @@
#define PAGE_SIZE 4096
static const uint64_t MAGIC = 0x1122334455667788ULL;
-void *eenter;
+vdso_sgx_enter_enclave_t eenter;
struct vdso_symtab {
Elf64_Sym *elf_symtab;
@@ -376,5 +376,17 @@ int main(int argc, char *argv[], char *envp[])
printf("Output: 0x%lx\n", result);
+ printf("Input: 0x%lx\n", MAGIC);
+ result = 0;
+
+ /* Invoke the vDSO directly. */
+ eenter((unsigned long)&MAGIC, (unsigned long)&result, 0, 2, 0, 0,
+ (void *)secs.base, &exception, NULL);
+ if (result != MAGIC) {
+ fprintf(stderr, "0x%lx != 0x%lx\n", result, MAGIC);
+ exit(1);
+ }
+ printf("Output: 0x%lx\n", result);
+
exit(0);
}
--
2.24.1
