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https://github.com/yuzu-emu/unicorn
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Issue #465 - Enhanced test for more scenarios; fixed some semantic bugs.
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egberts
parent
db6fc5ba51
commit
ab5ed15044
1 changed files with 75 additions and 14 deletions
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@ -6,6 +6,8 @@
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#include "unicorn_test.h"
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#include <inttypes.h>
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#define DEBUG 1
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#define OK(x) uc_assert_success(x)
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volatile int expected_instructions = 0;
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@ -29,8 +31,8 @@ static void test_code_hook(uc_engine *uc,
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#ifdef DEBUG
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printf("instruction at 0x%"PRIx64": ", address);
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uint8_t tmp[256];
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if (!uc_mem_read(uc, address, tmp, size)) {
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uint8_t tmp[256];
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uint32_t i;
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for (i = 0; i < size; i++) {
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@ -75,6 +77,7 @@ static void
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test_hook_count(uc_engine *uc,
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const uint8_t *code,
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int start_offset,
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int code_length,
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int expected_instructions)
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{
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@ -92,9 +95,15 @@ test_hook_count(uc_engine *uc,
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// write machine code to be emulated to memory
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OK(uc_mem_write(uc, address, code, expected_instructions));
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#ifdef DEBUG
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printf("Address: %8.8lx\n", address);
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printf("Start : %8.8lx\n", address + start_offset);
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printf("End : %8.8lx\n", address + code_length);
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printf("Count : %d\n", expected_instructions);
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#endif
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OK(uc_emu_start(uc,
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address,
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address+start_offset,
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address+code_length,
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0,
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expected_instructions));
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@ -106,7 +115,23 @@ test_hook_count(uc_engine *uc,
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/* Perform fine-grain emulation control of exactly 1 instruction */
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static void test_hook_count_1(void **state)
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/* of 1-opcode code space*/
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static void test_hook_count_1_begin(void **state)
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{
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uc_engine *uc = *state;
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const uint8_t code[] = {
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0x41, // inc ECX @0x1000000
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};
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int code_length = sizeof(code)-1;
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int start_offset = 0;
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int ins_count = 1;
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test_hook_count(uc, code, start_offset, code_length, ins_count);
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}
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/* Perform fine-grain emulation control of exactly 1 instruction */
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static void test_hook_count_1_midpoint(void **state)
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{
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uc_engine *uc = *state;
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const uint8_t code[] = {
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@ -116,11 +141,36 @@ static void test_hook_count_1(void **state)
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0x41, // inc ECX @0x1000003
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0x41, // inc ECX
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0x41, // inc ECX
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0x42, // inc EDX @0x1000006
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0x42, // inc EDX
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};
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test_hook_count(uc, code, 0, 1);
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int code_length = sizeof(code);
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int start_offset = code_length/2;
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int ins_count = 1;
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test_hook_count(uc, code, start_offset, code_length, ins_count);
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}
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/* Perform fine-grain emulation control of exactly 1 instruction */
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static void test_hook_count_1_end(void **state)
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{
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uc_engine *uc = *state;
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const uint8_t code[] = {
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0x41, // inc ECX @0x1000000
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0x41, // inc ECX
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0x41, // inc ECX
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0x41, // inc ECX @0x1000003
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0x41, // inc ECX
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0x41, // inc ECX
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0x42, // inc EDX @0x1000006
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0x42, // inc EDX
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};
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int code_length = sizeof(code);
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int start_offset = code_length;
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int ins_count = 1;
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test_hook_count(uc, code, start_offset, code_length, ins_count);
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}
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@ -128,7 +178,6 @@ static void test_hook_count_1(void **state)
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/* varied instruction steps. */
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static void test_hook_count_range(void **state)
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{
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int i;
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uc_engine *uc = *state;
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const uint8_t code[] = {
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0x41, // inc ECX @0x1000000
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@ -140,9 +189,14 @@ static void test_hook_count_range(void **state)
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0x42, // inc EDX @0x1000006
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0x42, // inc EDX
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};
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for (i = 2; i < 7; i++)
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int code_length = sizeof(code);
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int start_offset;
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int ins_count = 2;
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for (start_offset = 2; start_offset < (code_length - ins_count); start_offset++)
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{
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test_hook_count(uc, code, 1, i);
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printf("Iteration %d\n", start_offset);
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test_hook_count(uc, code, start_offset, code_length, ins_count);
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}
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}
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@ -157,11 +211,14 @@ static void test_hook_count_end(void **state)
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0x41, // inc ECX @0x1000003
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0x41, // inc ECX
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0x41, // inc ECX
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0x42, // inc EDX @0x1000006
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0x42, // inc EDX
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};
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test_hook_count(uc, code, sizeof(code)-1, 1);
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int code_length = sizeof(code);
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int ins_count = 3;
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int start_offset = sizeof(code) - ins_count;
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test_hook_count(uc, code, start_offset, code_length, ins_count);
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}
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@ -175,19 +232,23 @@ static void test_hook_count_midpoint(void **state)
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0x41, // inc ECX @0x1000003
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0x41, // inc ECX
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0x41, // inc ECX
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0x42, // inc EDX @0x1000006
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0x42, // inc EDX
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};
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test_hook_count(uc, code, sizeof(code)/2, 2);
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test_hook_count(uc, code, 2, sizeof(code)-2);
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int code_length = sizeof(code);
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int ins_count = 3;
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int start_offset = 2;
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test_hook_count(uc, code, start_offset, code_length, ins_count);
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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_hook_count_1, setup32, teardown),
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cmocka_unit_test_setup_teardown(test_hook_count_1_begin, setup32, teardown),
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cmocka_unit_test_setup_teardown(test_hook_count_1_midpoint, setup32, teardown),
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cmocka_unit_test_setup_teardown(test_hook_count_1_end, setup32, teardown),
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cmocka_unit_test_setup_teardown(test_hook_count_range, setup32, teardown),
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cmocka_unit_test_setup_teardown(test_hook_count_midpoint, setup32, teardown),
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cmocka_unit_test_setup_teardown(test_hook_count_end, setup32, teardown),
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