Rename 'eenter' as 'sgx_enter_enclave', and 'sgx_call_vdso' as 'sgx_enter_enclave_unclobbered', in order to better self-describe the meaning and purpose of the symbols.
Signed-off-by: Jarkko Sakkinen jarkko@kernel.org --- tools/testing/selftests/sgx/call.S | 6 +++--- tools/testing/selftests/sgx/main.c | 25 +++++++++++++------------ tools/testing/selftests/sgx/main.h | 4 ++-- 3 files changed, 18 insertions(+), 17 deletions(-)
diff --git a/tools/testing/selftests/sgx/call.S b/tools/testing/selftests/sgx/call.S index 4ecadc7490f4..71865302119c 100644 --- a/tools/testing/selftests/sgx/call.S +++ b/tools/testing/selftests/sgx/call.S @@ -5,8 +5,8 @@
.text
- .global sgx_call_vdso -sgx_call_vdso: + .global sgx_enter_enclave_unclobbered +sgx_enter_enclave_unclobbered: .cfi_startproc push %r15 .cfi_adjust_cfa_offset 8 @@ -27,7 +27,7 @@ sgx_call_vdso: .cfi_adjust_cfa_offset 8 push 0x38(%rsp) .cfi_adjust_cfa_offset 8 - call *eenter(%rip) + call *sgx_enter_enclave(%rip) add $0x10, %rsp .cfi_adjust_cfa_offset -0x10 pop %rbx diff --git a/tools/testing/selftests/sgx/main.c b/tools/testing/selftests/sgx/main.c index d304a4044eb9..d3e1db9ee4bc 100644 --- a/tools/testing/selftests/sgx/main.c +++ b/tools/testing/selftests/sgx/main.c @@ -21,7 +21,7 @@ #include "../kselftest.h"
static const uint64_t MAGIC = 0x1122334455667788ULL; -vdso_sgx_enter_enclave_t eenter; +vdso_sgx_enter_enclave_t sgx_enter_enclave;
struct vdso_symtab { Elf64_Sym *elf_symtab; @@ -149,7 +149,7 @@ int main(int argc, char *argv[]) { struct sgx_enclave_run run; struct vdso_symtab symtab; - Elf64_Sym *eenter_sym; + Elf64_Sym *sgx_enter_enclave_sym; uint64_t result = 0; struct encl encl; unsigned int i; @@ -194,29 +194,30 @@ int main(int argc, char *argv[]) if (!vdso_get_symtab(addr, &symtab)) goto err;
- eenter_sym = vdso_symtab_get(&symtab, "__vdso_sgx_enter_enclave"); - if (!eenter_sym) + sgx_enter_enclave_sym = vdso_symtab_get(&symtab, "__vdso_sgx_enter_enclave"); + if (!sgx_enter_enclave_sym) goto err;
- eenter = addr + eenter_sym->st_value; + sgx_enter_enclave = addr + sgx_enter_enclave_sym->st_value;
- ret = sgx_call_vdso((void *)&MAGIC, &result, 0, EENTER, NULL, NULL, &run); - if (!report_results(&run, ret, result, "sgx_call_vdso")) + ret = sgx_enter_enclave_unclobbered((void *)&MAGIC, &result, 0, EENTER, + NULL, NULL, &run); + if (!report_results(&run, ret, result, "sgx_enter_enclave_unclobbered")) goto err;
/* Invoke the vDSO directly. */ result = 0; - ret = eenter((unsigned long)&MAGIC, (unsigned long)&result, 0, EENTER, - 0, 0, &run); - if (!report_results(&run, ret, result, "eenter")) + ret = sgx_enter_enclave((unsigned long)&MAGIC, (unsigned long)&result, + 0, EENTER, 0, 0, &run); + if (!report_results(&run, ret, result, "sgx_enter_enclave")) goto err;
/* And with an exit handler. */ run.user_handler = (__u64)user_handler; run.user_data = 0xdeadbeef; - ret = eenter((unsigned long)&MAGIC, (unsigned long)&result, 0, EENTER, - 0, 0, &run); + ret = sgx_enter_enclave((unsigned long)&MAGIC, (unsigned long)&result, + 0, EENTER, 0, 0, &run); if (!report_results(&run, ret, result, "user_handler")) goto err;
diff --git a/tools/testing/selftests/sgx/main.h b/tools/testing/selftests/sgx/main.h index 67211a708f04..13479837f6eb 100644 --- a/tools/testing/selftests/sgx/main.h +++ b/tools/testing/selftests/sgx/main.h @@ -35,7 +35,7 @@ bool encl_load(const char *path, struct encl *encl); bool encl_measure(struct encl *encl); bool encl_build(struct encl *encl);
-int sgx_call_vdso(void *rdi, void *rsi, long rdx, u32 function, void *r8, void *r9, - struct sgx_enclave_run *run); +int sgx_enter_enclave_unclobbered(void *rdi, void *rsi, long rdx, u32 function, void *r8, void *r9, + struct sgx_enclave_run *run);
#endif /* MAIN_H */
Use ksft API documented in tools/testing/selftests/kselftest.h to count succeeded and failed tests and print all the debug output with ksft_print_msg(), as advised by the documentation.
Signed-off-by: Jarkko Sakkinen jarkko@kernel.org --- tools/testing/selftests/sgx/main.c | 45 +++++++++++++++++------------- 1 file changed, 25 insertions(+), 20 deletions(-)
diff --git a/tools/testing/selftests/sgx/main.c b/tools/testing/selftests/sgx/main.c index d3e1db9ee4bc..b5f17076b0c3 100644 --- a/tools/testing/selftests/sgx/main.c +++ b/tools/testing/selftests/sgx/main.c @@ -20,6 +20,8 @@ #include "main.h" #include "../kselftest.h"
+#define NR_KSELFTESTS 3 + static const uint64_t MAGIC = 0x1122334455667788ULL; vdso_sgx_enter_enclave_t sgx_enter_enclave;
@@ -107,34 +109,35 @@ static Elf64_Sym *vdso_symtab_get(struct vdso_symtab *symtab, const char *name) return NULL; }
-bool report_results(struct sgx_enclave_run *run, int ret, uint64_t result, - const char *test) +bool update_ksft(struct sgx_enclave_run *run, int ret, uint64_t result, const char *test) { bool valid = true;
if (ret) { - printf("FAIL: %s() returned: %d\n", test, ret); + ksft_print_msg("%s: ret = %d\n", test, ret); valid = false; }
if (run->function != EEXIT) { - printf("FAIL: %s() function, expected: %u, got: %u\n", test, EEXIT, - run->function); + ksft_print_msg("%s: function, expected: %u, got: %u\n", test, EEXIT, run->function); valid = false; }
if (result != MAGIC) { - printf("FAIL: %s(), expected: 0x%lx, got: 0x%lx\n", test, MAGIC, - result); + ksft_print_msg("%s: expected: 0x%lx, got: 0x%lx\n", test, MAGIC, result); valid = false; }
if (run->user_data) { - printf("FAIL: %s() user data, expected: 0x0, got: 0x%llx\n", - test, run->user_data); + ksft_print_msg("%s: user data, expected: 0x0, got: 0x%llx\n", test, run->user_data); valid = false; }
+ if (valid) + ksft_test_result_pass("%s: PASS"); + else + ksft_test_result_fail("%s: FAIL"); + return valid; }
@@ -156,6 +159,9 @@ int main(int argc, char *argv[]) void *addr; int ret;
+ ksft_print_header(); + ksft_set_plan(NR_KSELFTESTS); + memset(&run, 0, sizeof(run));
if (!encl_load("test_encl.elf", &encl)) { @@ -178,8 +184,8 @@ int main(int argc, char *argv[]) addr = mmap((void *)encl.encl_base + seg->offset, seg->size, seg->prot, MAP_SHARED | MAP_FIXED, encl.fd, 0); if (addr == MAP_FAILED) { - perror("mmap() segment failed"); - exit(KSFT_FAIL); + ksft_print_msg("mmap() segment: %s", strerror(errno)); + goto err; } }
@@ -200,32 +206,31 @@ int main(int argc, char *argv[])
sgx_enter_enclave = addr + sgx_enter_enclave_sym->st_value;
+ /* 1: unclobbered vDSO */ ret = sgx_enter_enclave_unclobbered((void *)&MAGIC, &result, 0, EENTER, NULL, NULL, &run); - if (!report_results(&run, ret, result, "sgx_enter_enclave_unclobbered")) + if (!update_ksft(&run, ret, result, "unclobbered")) goto err;
- - /* Invoke the vDSO directly. */ + /* 2: clobbered vDSO */ result = 0; ret = sgx_enter_enclave((unsigned long)&MAGIC, (unsigned long)&result, 0, EENTER, 0, 0, &run); - if (!report_results(&run, ret, result, "sgx_enter_enclave")) + if (!update_ksft(&run, ret, result, "sgx_enter_enclave")) goto err;
- /* And with an exit handler. */ + /* 3: clobbered vDSO with a callback. */ run.user_handler = (__u64)user_handler; run.user_data = 0xdeadbeef; ret = sgx_enter_enclave((unsigned long)&MAGIC, (unsigned long)&result, 0, EENTER, 0, 0, &run); - if (!report_results(&run, ret, result, "user_handler")) + if (!update_ksft(&run, ret, result, "user_handler")) goto err;
- printf("SUCCESS\n"); encl_delete(&encl); - exit(KSFT_PASS); + ksft_exit_pass();
err: encl_delete(&encl); - exit(KSFT_FAIL); + ksft_exit_fail(); }
On Thu, May 06, 2021 at 04:31:59AM +0300, Jarkko Sakkinen wrote:
Rename 'eenter' as 'sgx_enter_enclave', and 'sgx_call_vdso' as 'sgx_enter_enclave_unclobbered', in order to better self-describe the meaning and purpose of the symbols.
Signed-off-by: Jarkko Sakkinen jarkko@kernel.org
Nit: I think actually t these would be clearer names:
- eenter -> sgx_enter_enclave_vdso - sgx_call_vdso -> sgx_enter_enclave
/Jarkko
linux-kselftest-mirror@lists.linaro.org
-
Jarkko Sakkinen