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Add a test for nested uc_emu_start exits

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lazymio
2022-03-06 23:51:35 +01:00
parent 2a4e42f315
commit 3112cd920e
1 changed files with 30 additions and 0 deletions
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30
tests/unit/test_x86.c
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@@ -952,6 +952,35 @@ static void test_x86_eflags_reserved_bit()
OK(uc_close(uc)); OK(uc_close(uc));
} }
static void test_x86_nested_uc_emu_start_exits_cb(uc_engine *uc, uint64_t addr,
size_t size, void *data)
{
OK(uc_emu_start(uc, code_start + 5, code_start + 6, 0, 0));
}
static void test_x86_nested_uc_emu_start_exits()
{
uc_engine *uc;
// cmp eax, 0
// jnz t
// nop <-- nested emu_start
// t:mov dword ptr [eax], 0
char code[] = "\x83\xf8\x00\x75\x01\x90\xc7\x00\x00\x00\x00\x00";
uc_hook hk;
uint32_t r_pc;
uc_common_setup(&uc, UC_ARCH_X86, UC_MODE_32, code, sizeof(code) - 1);
OK(uc_hook_add(uc, &hk, UC_HOOK_CODE, test_x86_nested_uc_emu_start_exits_cb,
NULL, code_start, code_start));
OK(uc_emu_start(uc, code_start, code_start + 5, 0, 0));
OK(uc_reg_read(uc, UC_X86_REG_EIP, &r_pc));
TEST_CHECK(r_pc == code_start + 5);
OK(uc_close(uc));
}
TEST_LIST = { TEST_LIST = {
{"test_x86_in", test_x86_in}, {"test_x86_in", test_x86_in},
{"test_x86_out", test_x86_out}, {"test_x86_out", test_x86_out},
@@ -983,4 +1012,5 @@ TEST_LIST = {
{"test_x86_nested_emu_stop", test_x86_nested_emu_stop}, {"test_x86_nested_emu_stop", test_x86_nested_emu_stop},
{"test_x86_64_nested_emu_start_error", test_x86_64_nested_emu_start_error}, {"test_x86_64_nested_emu_start_error", test_x86_64_nested_emu_start_error},
{"test_x86_eflags_reserved_bit", test_x86_eflags_reserved_bit}, {"test_x86_eflags_reserved_bit", test_x86_eflags_reserved_bit},
{"test_x86_nested_uc_emu_start_exits", test_x86_nested_uc_emu_start_exits},
{NULL, NULL}}; {NULL, NULL}};