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Add tests for xmm register read/write

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This commit is contained in:
Andrew Dutcher 2016-08-14 19:26:32 -07:00
parent 9c720092d3
commit b1f03a02f2
1 changed files with 11 additions and 1 deletions
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12
tests/unit/test_x86.c
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@ -119,11 +119,14 @@ static void test_i386(void **state)
uint32_t tmp;
uc_hook trace1, trace2;
const uint8_t code[] = "\x41\x4a"; // INC ecx; DEC edx
const uint8_t code[] = "\x41\x4a\x66\x0f\xef\xc1"; // INC ecx; DEC edx; PXOR xmm0, xmm1
const uint64_t address = 0x1000000;
int r_ecx = 0x1234; // ECX register
int r_edx = 0x7890; // EDX register
// XMM0 and XMM1 registers, low qword then high qword
uint64_t r_xmm0[2] = {0x08090a0b0c0d0e0f, 0x0001020304050607};
uint64_t r_xmm1[2] = {0x8090a0b0c0d0e0f0, 0x0010203040506070};
// Initialize emulator in X86-32bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
@ -142,6 +145,10 @@ static void test_i386(void **state)
uc_assert_success(err);
err = uc_reg_write(uc, UC_X86_REG_EDX, &r_edx);
uc_assert_success(err);
err = uc_reg_write(uc, UC_X86_REG_XMM0, &r_xmm0);
uc_assert_success(err);
err = uc_reg_write(uc, UC_X86_REG_XMM1, &r_xmm1);
uc_assert_success(err);
// tracing all basic blocks with customized callback
err = uc_hook_add(uc, &trace1, UC_HOOK_BLOCK, hook_block, NULL, 1, 0);
@ -160,9 +167,12 @@ static void test_i386(void **state)
uc_reg_read(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(uc, UC_X86_REG_EDX, &r_edx);
uc_reg_read(uc, UC_X86_REG_XMM0, &r_xmm0);
assert_int_equal(r_ecx, 0x1235);
assert_int_equal(r_edx, 0x788F);
uint64_t r_xmm0_expected[2] = {0x8899aabbccddeeff, 0x0011223344556677};
assert_memory_equal(r_xmm0, r_xmm0_expected, sizeof(r_xmm0));
// read from memory
err = uc_mem_read(uc, address, (uint8_t *)&tmp, 4);