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Add a test to check memory hooks pc sync

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This commit is contained in:
mio
2025-04-12 22:52:24 +08:00
parent 4a13bc7cb8
commit 015e2f27ff
1 changed files with 33 additions and 0 deletions
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33
tests/unit/test_x86.c
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@@ -2071,6 +2071,38 @@ static void test_x86_hook_block()
OK(uc_close(uc));
}
static bool test_x86_mem_hooks_pc_guarante_mem(uc_engine *uc, uc_mem_type type,
uint64_t addr, int size,
int64_t val, void *data)
{
if (addr >= code_start + code_len) {
uint32_t eip;
OK(uc_reg_read(uc, UC_X86_REG_EIP, (void*)&eip));
TEST_CHECK(eip == code_start + 1);
}
return true;
}
static void test_x86_mem_hooks_pc_guarantee(void)
{
uc_engine *uc;
// bs, _ = ks.asm("inc edx; t: mov eax, [ebx]; inc ebx; cmp ebx, ecx; jnz t;")
char code[] = "\x42\x8b\x03\x43\x39\xcb\x75\xf9";
uint32_t ebx=code_start + code_len, ecx = code_start + code_len + 0x10;
uc_hook hk;
uc_common_setup(&uc, UC_ARCH_X86, UC_MODE_32, code, sizeof(code) - 1);
OK(uc_mem_map(uc, code_start + code_len, 0x1000, UC_PROT_ALL));
OK(uc_hook_add(uc, &hk, UC_HOOK_MEM_READ, test_x86_mem_hooks_pc_guarante_mem, NULL,
1, 0));
OK(uc_reg_write(uc, UC_X86_REG_EBX, (void*)&ebx));
OK(uc_reg_write(uc, UC_X86_REG_ECX, (void*)&ecx));
OK(uc_emu_start(uc, code_start, code_start + sizeof(code) - 1, 0, 0));
OK(uc_close(uc));
}
TEST_LIST = {
{"test_x86_in", test_x86_in},
{"test_x86_out", test_x86_out},
@@ -2133,4 +2165,5 @@ TEST_LIST = {
{"test_x86_hook_insn_rdtscp", test_x86_hook_insn_rdtscp},
{"test_x86_dr7", test_x86_dr7},
{"test_x86_hook_block", test_x86_hook_block},
{"test_x86_mem_hooks_pc_guarantee", test_x86_mem_hooks_pc_guarantee},
{NULL, NULL}};