112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
#include "unicorn_test.h"
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#include "unicorn/unicorn.h"
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#define OK(x) uc_assert_success(x)
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/* Called before every test to set up a new instance */
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static int setup32(void **state)
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{
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uc_engine *uc;
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OK(uc_open(UC_ARCH_X86, UC_MODE_32, &uc));
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*state = uc;
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return 0;
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}
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/* Called after every test to clean up */
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static int teardown(void **state)
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{
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uc_engine *uc = *state;
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OK(uc_close(uc));
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*state = NULL;
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return 0;
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}
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/******************************************************************************/
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struct bb {
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uint64_t addr;
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size_t size;
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};
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struct bbtest {
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const struct bb *blocks;
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unsigned int blocknum;
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};
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static void test_basic_blocks_hook(uc_engine *uc, uint64_t address, uint32_t size, void *user_data)
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{
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struct bbtest *bbtest = user_data;
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const struct bb *bb = &bbtest->blocks[bbtest->blocknum];
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printf("block hook 1: %d == %zu\n", size, bb->size);
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assert_int_equal(address, bb->addr);
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assert_int_equal((size_t)size, bb->size);
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}
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static void test_basic_blocks_hook2(uc_engine *uc, uint64_t address, uint32_t size, void *user_data)
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{
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struct bbtest *bbtest = user_data;
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const struct bb *bb = &bbtest->blocks[bbtest->blocknum++];
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printf("block hook 2: %d == %zu\n", size, bb->size);
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assert_int_equal(address, bb->addr);
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assert_int_equal((size_t)size, bb->size);
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}
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static void test_basic_blocks(void **state)
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{
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uc_engine *uc = *state;
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uc_hook trace1, trace2;
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#define BASEADDR 0x1000000
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uint64_t address = BASEADDR;
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const uint8_t code[] = {
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0x33, 0xC0, // xor eax, eax
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0x90, // nop
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0x90, // nop
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0xEB, 0x00, // jmp $+2
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0x90, // nop
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0x90, // nop
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0x90, // nop
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};
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static const struct bb blocks[] = {
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{BASEADDR, 6},
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{BASEADDR+ 6, 3},
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};
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struct bbtest bbtest = {
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.blocks = blocks,
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.blocknum = 0,
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};
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#undef BASEADDR
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// map 2MB memory for this emulation
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OK(uc_mem_map(uc, address, 2 * 1024 * 1024, UC_PROT_ALL));
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// write machine code to be emulated to memory
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OK(uc_mem_write(uc, address, code, sizeof(code)));
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// trace all basic blocks
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OK(uc_hook_add(uc, &trace1, UC_HOOK_BLOCK, test_basic_blocks_hook, &bbtest, 1, 0));
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OK(uc_hook_add(uc, &trace2, UC_HOOK_BLOCK, test_basic_blocks_hook2, &bbtest, 1, 0));
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OK(uc_emu_start(uc, address, address+sizeof(code), 0, 0));
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}
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int main(void)
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{
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const struct CMUnitTest tests[] = {
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cmocka_unit_test_setup_teardown(test_basic_blocks, setup32, teardown),
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};
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return cmocka_run_group_tests(tests, NULL, NULL);
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}
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