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Add multiple exits mechanism and tests&samples

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This commit is contained in:
lazymio
2021-11-01 14:00:43 +01:00
parent a888835962
commit fb45b287ba
4 changed files with 157 additions and 10 deletions
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45
tests/unit/test_ctl.c
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@@ -3,6 +3,14 @@
const uint64_t code_start = 0x1000;
const uint64_t code_len = 0x4000;
static void uc_common_setup(uc_engine **uc, uc_arch arch, uc_mode mode,
const char *code, uint64_t size)
{
OK(uc_open(arch, mode, uc));
OK(uc_mem_map(*uc, code_start, code_len, UC_PROT_ALL));
OK(uc_mem_write(*uc, code_start, code, size));
}
#define GEN_SIMPLE_READ_TEST(field, ctl_type, arg_type, expected) \
static void test_uc_ctl_##field() \
{ \
@@ -19,8 +27,45 @@ GEN_SIMPLE_READ_TEST(arch, UC_CTL_UC_ARCH, int, 4)
GEN_SIMPLE_READ_TEST(page_size, UC_CTL_UC_PAGE_SIZE, uint32_t, 4096)
GEN_SIMPLE_READ_TEST(time_out, UC_CTL_UC_TIMEOUT, uint64_t, 0)
static void test_uc_ctl_exits()
{
uc_engine *uc;
// cmp eax, 0;
// jg lb;
// inc eax;
// nop; <---- exit1
// lb:
// inc ebx;
// nop; <---- exit2
char code[] = "\x83\xf8\x00\x7f\x02\x40\x90\x43\x90";
int r_eax;
int r_ebx;
uint64_t exits[] = {code_start + 6, code_start + 8};
uc_common_setup(&uc, UC_ARCH_X86, UC_MODE_32, code, sizeof(code) - 1);
OK(uc_ctl_exits_enabled(uc, true));
OK(uc_ctl_set_exists(uc, exits, 2));
r_eax = 0;
r_ebx = 0;
OK(uc_reg_write(uc, UC_X86_REG_EAX, &r_eax));
OK(uc_reg_write(uc, UC_X86_REG_EAX, &r_ebx));
// Run two times.
OK(uc_emu_start(uc, code_start, 0, 0, 0));
OK(uc_emu_start(uc, code_start, 0, 0, 0));
OK(uc_reg_read(uc, UC_X86_REG_EAX, &r_eax));
OK(uc_reg_read(uc, UC_X86_REG_EAX, &r_ebx));
TEST_CHECK(r_eax == 1);
TEST_CHECK(r_ebx == 1);
OK(uc_close(uc));
}
TEST_LIST = {{"test_uc_ctl_mode", test_uc_ctl_mode},
{"test_uc_ctl_page_size", test_uc_ctl_page_size},
{"test_uc_ctl_arch", test_uc_ctl_arch},
{"test_uc_ctl_time_out", test_uc_ctl_time_out},
{"test_uc_ctl_exits", test_uc_ctl_exits},
{NULL, NULL}};