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Add test for #992

This commit is contained in:
lazymio 2021-11-03 21:17:57 +01:00
parent 3dfec280c7
commit 1a82248292
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1 changed files with 44 additions and 0 deletions
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44
tests/unit/test_x86.c
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@ -769,6 +769,49 @@ static void test_x86_hook_tcg_op()
OK(uc_close(uc));
}
static void test_x86_cmpxchg_mem_hook(uc_engine *uc, uc_mem_type type,
uint64_t address, int size, int64_t val,
void *data)
{
if (type == UC_MEM_READ) {
*((int *)data) |= 1;
} else {
*((int *)data) |= 2;
}
}
static void test_x86_cmpxchg()
{
uc_engine *uc;
char code[] = "\x0F\xC7\x0D\xE0\xBE\xAD\xDE"; // cmpxchg8b [0xdeadbee0]
int r_zero = 0;
int r_aaaa = 0x41414141;
uint64_t mem;
uc_hook h;
int result = 0;
uc_common_setup(&uc, UC_ARCH_X86, UC_MODE_32, code, sizeof(code) - 1);
OK(uc_mem_map(uc, 0xdeadb000, 0x1000, UC_PROT_ALL));
OK(uc_hook_add(uc, &h, UC_HOOK_MEM_READ | UC_HOOK_MEM_WRITE,
test_x86_cmpxchg_mem_hook, &result, 1, 0));
OK(uc_reg_write(uc, UC_X86_REG_EDX, &r_zero));
OK(uc_reg_write(uc, UC_X86_REG_EAX, &r_zero));
OK(uc_reg_write(uc, UC_X86_REG_ECX, &r_aaaa));
OK(uc_reg_write(uc, UC_X86_REG_EBX, &r_aaaa));
OK(uc_emu_start(uc, code_start, code_start + sizeof(code) - 1, 0, 0));
OK(uc_mem_read(uc, 0xdeadbee0, &mem, 8));
TEST_CHECK(mem == 0x4141414141414141);
// Both read and write happened.
TEST_CHECK(result == 3);
OK(uc_close(uc));
}
TEST_LIST = {{"test_x86_in", test_x86_in},
{"test_x86_out", test_x86_out},
{"test_x86_mem_hook_all", test_x86_mem_hook_all},
@ -793,4 +836,5 @@ TEST_LIST = {{"test_x86_in", test_x86_in},
{"test_x86_clear_tb_cache", test_x86_clear_tb_cache},
{"test_x86_clear_empty_tb", test_x86_clear_empty_tb},
{"test_x86_hook_tcg_op", test_x86_hook_tcg_op},
{"test_x86_cmpxchg", test_x86_cmpxchg},
{NULL, NULL}};