blob: cbc771f0b7def8d30d020bc2886d237dbebfb5ba [file] [log] [blame]
/* Copyright (c) 2018, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <gtest/gtest.h>
#include <gtest/gtest-spi.h>
#include <openssl/rand.h>
#include "test/abi_test.h"
static bool test_function_was_called = false;
static void TestFunction(int a1, int a2, int a3, int a4, int a5, int a6, int a7,
int a8, int a9, int a10) {
test_function_was_called = true;
EXPECT_EQ(1, a1);
EXPECT_EQ(2, a2);
EXPECT_EQ(3, a3);
EXPECT_EQ(4, a4);
EXPECT_EQ(5, a5);
EXPECT_EQ(6, a6);
EXPECT_EQ(7, a7);
EXPECT_EQ(8, a8);
EXPECT_EQ(9, a9);
EXPECT_EQ(10, a10);
}
TEST(ABITest, SanityCheck) {
EXPECT_NE(0, CHECK_ABI(strcmp, "hello", "world"));
test_function_was_called = false;
CHECK_ABI(TestFunction, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
EXPECT_TRUE(test_function_was_called);
#if defined(SUPPORTS_ABI_TEST)
abi_test::internal::CallerState state;
RAND_bytes(reinterpret_cast<uint8_t *>(&state), sizeof(state));
const char *arg1 = "hello", *arg2 = "world";
crypto_word_t argv[2] = {
reinterpret_cast<crypto_word_t>(arg1),
reinterpret_cast<crypto_word_t>(arg2),
};
CHECK_ABI(abi_test_trampoline, reinterpret_cast<crypto_word_t>(strcmp),
&state, argv, 2);
#endif // SUPPORTS_ABI_TEST
}
#if defined(OPENSSL_X86_64) && defined(SUPPORTS_ABI_TEST)
extern "C" {
void abi_test_clobber_rax(void);
void abi_test_clobber_rbx(void);
void abi_test_clobber_rcx(void);
void abi_test_clobber_rdx(void);
void abi_test_clobber_rsi(void);
void abi_test_clobber_rdi(void);
void abi_test_clobber_rbp(void);
void abi_test_clobber_r8(void);
void abi_test_clobber_r9(void);
void abi_test_clobber_r10(void);
void abi_test_clobber_r11(void);
void abi_test_clobber_r12(void);
void abi_test_clobber_r13(void);
void abi_test_clobber_r14(void);
void abi_test_clobber_r15(void);
void abi_test_clobber_xmm0(void);
void abi_test_clobber_xmm1(void);
void abi_test_clobber_xmm2(void);
void abi_test_clobber_xmm3(void);
void abi_test_clobber_xmm4(void);
void abi_test_clobber_xmm5(void);
void abi_test_clobber_xmm6(void);
void abi_test_clobber_xmm7(void);
void abi_test_clobber_xmm8(void);
void abi_test_clobber_xmm9(void);
void abi_test_clobber_xmm10(void);
void abi_test_clobber_xmm11(void);
void abi_test_clobber_xmm12(void);
void abi_test_clobber_xmm13(void);
void abi_test_clobber_xmm14(void);
void abi_test_clobber_xmm15(void);
} // extern "C"
TEST(ABITest, X86_64) {
// abi_test_trampoline hides unsaved registers from the caller, so we can
// safely call the abi_test_clobber_* functions below.
abi_test::internal::CallerState state;
RAND_bytes(reinterpret_cast<uint8_t *>(&state), sizeof(state));
CHECK_ABI(abi_test_trampoline,
reinterpret_cast<crypto_word_t>(abi_test_clobber_rbx), &state,
nullptr, 0);
CHECK_ABI(abi_test_clobber_rax);
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_rbx), "");
CHECK_ABI(abi_test_clobber_rcx);
CHECK_ABI(abi_test_clobber_rdx);
#if defined(OPENSSL_WINDOWS)
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_rdi), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_rsi), "");
#else
CHECK_ABI(abi_test_clobber_rdi);
CHECK_ABI(abi_test_clobber_rsi);
#endif
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_rbp), "");
CHECK_ABI(abi_test_clobber_r8);
CHECK_ABI(abi_test_clobber_r9);
CHECK_ABI(abi_test_clobber_r10);
CHECK_ABI(abi_test_clobber_r11);
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_r12), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_r13), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_r14), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_r15), "");
CHECK_ABI(abi_test_clobber_xmm0);
CHECK_ABI(abi_test_clobber_xmm1);
CHECK_ABI(abi_test_clobber_xmm2);
CHECK_ABI(abi_test_clobber_xmm3);
CHECK_ABI(abi_test_clobber_xmm4);
CHECK_ABI(abi_test_clobber_xmm5);
#if defined(OPENSSL_WINDOWS)
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_xmm6), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_xmm7), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_xmm8), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_xmm9), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_xmm10), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_xmm11), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_xmm12), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_xmm13), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_xmm14), "");
EXPECT_NONFATAL_FAILURE(CHECK_ABI(abi_test_clobber_xmm15), "");
#else
CHECK_ABI(abi_test_clobber_xmm6);
CHECK_ABI(abi_test_clobber_xmm7);
CHECK_ABI(abi_test_clobber_xmm8);
CHECK_ABI(abi_test_clobber_xmm9);
CHECK_ABI(abi_test_clobber_xmm10);
CHECK_ABI(abi_test_clobber_xmm11);
CHECK_ABI(abi_test_clobber_xmm12);
CHECK_ABI(abi_test_clobber_xmm13);
CHECK_ABI(abi_test_clobber_xmm14);
CHECK_ABI(abi_test_clobber_xmm15);
#endif
}
#endif // OPENSSL_X86_64 && SUPPORTS_ABI_TEST