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samples: update sample_x86 to use new API

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This commit is contained in:
Jonathon Reinhart 2015-08-26 08:35:03 -04:00
parent fa11e9dddb
commit 4c9e78d2f9
1 changed files with 159 additions and 160 deletions
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319
samples/sample_x86.c
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@ -31,41 +31,41 @@
#define ADDRESS 0x1000000
// callback for tracing basic blocks
static void hook_block(uch handle, uint64_t address, uint32_t size, void *user_data)
static void hook_block(struct uc_struct *uc, uint64_t address, uint32_t size, void *user_data)
{
printf(">>> Tracing basic block at 0x%"PRIx64 ", block size = 0x%x\n", address, size);
}
// callback for tracing instruction
static void hook_code(uch handle, uint64_t address, uint32_t size, void *user_data)
static void hook_code(struct uc_struct *uc, uint64_t address, uint32_t size, void *user_data)
{
int eflags;
printf(">>> Tracing instruction at 0x%"PRIx64 ", instruction size = 0x%x\n", address, size);
uc_reg_read(handle, UC_X86_REG_EFLAGS, &eflags);
uc_reg_read(uc, UC_X86_REG_EFLAGS, &eflags);
printf(">>> --- EFLAGS is 0x%x\n", eflags);
// Uncomment below code to stop the emulation using uc_emu_stop()
// if (address == 0x1000009)
// uc_emu_stop(handle);
// uc_emu_stop(uc);
}
// callback for tracing instruction
static void hook_code64(uch handle, uint64_t address, uint32_t size, void *user_data)
static void hook_code64(struct uc_struct *uc, uint64_t address, uint32_t size, void *user_data)
{
uint64_t rip;
uc_reg_read(handle, UC_X86_REG_RIP, &rip);
uc_reg_read(uc, UC_X86_REG_RIP, &rip);
printf(">>> Tracing instruction at 0x%"PRIx64 ", instruction size = 0x%x\n", address, size);
printf(">>> RIP is 0x%"PRIx64 "\n", rip);
// Uncomment below code to stop the emulation using uc_emu_stop()
// if (address == 0x1000009)
// uc_emu_stop(handle);
// uc_emu_stop(uc);
}
// callback for tracing memory access (READ or WRITE)
static bool hook_mem_invalid(uch handle, uc_mem_type type,
static bool hook_mem_invalid(struct uc_struct *uc, uc_mem_type type,
uint64_t address, int size, int64_t value, void *user_data)
{
switch(type) {
@ -76,13 +76,13 @@ static bool hook_mem_invalid(uch handle, uc_mem_type type,
printf(">>> Missing memory is being WRITE at 0x%"PRIx64 ", data size = %u, data value = 0x%"PRIx64 "\n",
address, size, value);
// map this memory in with 2MB in size
uc_mem_map(handle, 0xaaaa0000, 2 * 1024*1024);
uc_mem_map(uc, 0xaaaa0000, 2 * 1024*1024);
// return true to indicate we want to continue
return true;
}
}
static void hook_mem64(uch handle, uc_mem_type type,
static void hook_mem64(struct uc_struct *uc, uc_mem_type type,
uint64_t address, int size, int64_t value, void *user_data)
{
switch(type) {
@ -100,11 +100,11 @@ static void hook_mem64(uch handle, uc_mem_type type,
// callback for IN instruction (X86).
// this returns the data read from the port
static uint32_t hook_in(uch handle, uint32_t port, int size, void *user_data)
static uint32_t hook_in(struct uc_struct *uc, uint32_t port, int size, void *user_data)
{
uint32_t eip;
uc_reg_read(handle, UC_X86_REG_EIP, &eip);
uc_reg_read(uc, UC_X86_REG_EIP, &eip);
printf("--- reading from port 0x%x, size: %u, address: 0x%x\n", port, size, eip);
@ -125,12 +125,12 @@ static uint32_t hook_in(uch handle, uint32_t port, int size, void *user_data)
}
// callback for OUT instruction (X86).
static void hook_out(uch handle, uint32_t port, int size, uint32_t value, void *user_data)
static void hook_out(struct uc_struct *uc, uint32_t port, int size, uint32_t value, void *user_data)
{
uint32_t tmp;
uint32_t eip;
uc_reg_read(handle, UC_X86_REG_EIP, &eip);
uc_reg_read(uc, UC_X86_REG_EIP, &eip);
printf("--- writing to port 0x%x, size: %u, value: 0x%x, address: 0x%x\n", port, size, value, eip);
@ -139,13 +139,13 @@ static void hook_out(uch handle, uint32_t port, int size, uint32_t value, void *
default:
return; // should never reach this
case 1:
uc_reg_read(handle, UC_X86_REG_AL, &tmp);
uc_reg_read(uc, UC_X86_REG_AL, &tmp);
break;
case 2:
uc_reg_read(handle, UC_X86_REG_AX, &tmp);
uc_reg_read(uc, UC_X86_REG_AX, &tmp);
break;
case 4:
uc_reg_read(handle, UC_X86_REG_EAX, &tmp);
uc_reg_read(uc, UC_X86_REG_EAX, &tmp);
break;
}
@ -154,10 +154,10 @@ static void hook_out(uch handle, uint32_t port, int size, uint32_t value, void *
static void test_i386(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
uint32_t tmp;
uch trace1, trace2;
uc_hook_h trace1, trace2;
int r_ecx = 0x1234; // ECX register
int r_edx = 0x7890; // EDX register
@ -165,33 +165,33 @@ static void test_i386(void)
printf("Emulate i386 code\n");
// Initialize emulator in X86-32bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_32, &handle);
err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u\n", err);
return;
}
// map 2MB memory for this emulation
uc_mem_map(handle, ADDRESS, 2 * 1024 * 1024);
uc_mem_map(uc, ADDRESS, 2 * 1024 * 1024);
// write machine code to be emulated to memory
if (uc_mem_write(handle, ADDRESS, (uint8_t *)X86_CODE32, sizeof(X86_CODE32) - 1)) {
if (uc_mem_write(uc, ADDRESS, (uint8_t *)X86_CODE32, sizeof(X86_CODE32) - 1)) {
printf("Failed to write emulation code to memory, quit!\n");
return;
}
// initialize machine registers
uc_reg_write(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(handle, UC_X86_REG_EDX, &r_edx);
uc_reg_write(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(uc, UC_X86_REG_EDX, &r_edx);
// tracing all basic blocks with customized callback
uc_hook_add(handle, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
// tracing all instruction by having @begin > @end
uc_hook_add(handle, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0);
// emulate machine code in infinite time
err = uc_emu_start(handle, ADDRESS, ADDRESS + sizeof(X86_CODE32) - 1, 0, 0);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(X86_CODE32) - 1, 0, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned %u: %s\n",
err, uc_strerror(err));
@ -200,54 +200,54 @@ static void test_i386(void)
// now print out some registers
printf(">>> Emulation done. Below is the CPU context\n");
uc_reg_read(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(handle, UC_X86_REG_EDX, &r_edx);
uc_reg_read(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(uc, UC_X86_REG_EDX, &r_edx);
printf(">>> ECX = 0x%x\n", r_ecx);
printf(">>> EDX = 0x%x\n", r_edx);
// read from memory
if (!uc_mem_read(handle, ADDRESS, (uint8_t *)&tmp, 4))
if (!uc_mem_read(uc, ADDRESS, (uint8_t *)&tmp, 4))
printf(">>> Read 4 bytes from [0x%x] = 0x%x\n", ADDRESS, tmp);
else
printf(">>> Failed to read 4 bytes from [0x%x]\n", ADDRESS);
uc_close(&handle);
uc_close(uc);
}
static void test_i386_jump(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
uch trace1, trace2;
uc_hook_h trace1, trace2;
printf("===================================\n");
printf("Emulate i386 code with jump\n");
// Initialize emulator in X86-32bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_32, &handle);
err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u\n", err);
return;
}
// map 2MB memory for this emulation
uc_mem_map(handle, ADDRESS, 2 * 1024 * 1024);
uc_mem_map(uc, ADDRESS, 2 * 1024 * 1024);
// write machine code to be emulated to memory
if (uc_mem_write(handle, ADDRESS, (uint8_t *)X86_CODE32_JUMP,
if (uc_mem_write(uc, ADDRESS, (uint8_t *)X86_CODE32_JUMP,
sizeof(X86_CODE32_JUMP) - 1)) {
printf("Failed to write emulation code to memory, quit!\n");
return;
}
// tracing 1 basic block with customized callback
uc_hook_add(handle, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)ADDRESS, (uint64_t)ADDRESS);
uc_hook_add(uc, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)ADDRESS, (uint64_t)ADDRESS);
// tracing 1 instruction at ADDRESS
uc_hook_add(handle, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)ADDRESS, (uint64_t)ADDRESS);
uc_hook_add(uc, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)ADDRESS, (uint64_t)ADDRESS);
// emulate machine code in infinite time
err = uc_emu_start(handle, ADDRESS, ADDRESS + sizeof(X86_CODE32_JUMP) - 1, 0, 0);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(X86_CODE32_JUMP) - 1, 0, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned %u: %s\n",
err, uc_strerror(err));
@ -255,13 +255,13 @@ static void test_i386_jump(void)
printf(">>> Emulation done. Below is the CPU context\n");
uc_close(&handle);
uc_close(uc);
}
// emulate code that loop forever
static void test_i386_loop(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
int r_ecx = 0x1234; // ECX register
@ -271,28 +271,28 @@ static void test_i386_loop(void)
printf("Emulate i386 code that loop forever\n");
// Initialize emulator in X86-32bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_32, &handle);
err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u\n", err);
return;
}
// map 2MB memory for this emulation
uc_mem_map(handle, ADDRESS, 2 * 1024 * 1024);
uc_mem_map(uc, ADDRESS, 2 * 1024 * 1024);
// write machine code to be emulated to memory
if (uc_mem_write(handle, ADDRESS, (uint8_t *)X86_CODE32_LOOP, sizeof(X86_CODE32_LOOP) - 1)) {
if (uc_mem_write(uc, ADDRESS, (uint8_t *)X86_CODE32_LOOP, sizeof(X86_CODE32_LOOP) - 1)) {
printf("Failed to write emulation code to memory, quit!\n");
return;
}
// initialize machine registers
uc_reg_write(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(handle, UC_X86_REG_EDX, &r_edx);
uc_reg_write(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(uc, UC_X86_REG_EDX, &r_edx);
// emulate machine code in 2 seconds, so we can quit even
// if the code loops
err = uc_emu_start(handle, ADDRESS, ADDRESS + sizeof(X86_CODE32_LOOP) - 1, 2 * UC_SECOND_SCALE, 0);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(X86_CODE32_LOOP) - 1, 2 * UC_SECOND_SCALE, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned %u: %s\n",
err, uc_strerror(err));
@ -301,20 +301,20 @@ static void test_i386_loop(void)
// now print out some registers
printf(">>> Emulation done. Below is the CPU context\n");
uc_reg_read(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(handle, UC_X86_REG_EDX, &r_edx);
uc_reg_read(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(uc, UC_X86_REG_EDX, &r_edx);
printf(">>> ECX = 0x%x\n", r_ecx);
printf(">>> EDX = 0x%x\n", r_edx);
uc_close(&handle);
uc_close(uc);
}
// emulate code that read invalid memory
static void test_i386_invalid_mem_read(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
uch trace1, trace2;
uc_hook_h trace1, trace2;
int r_ecx = 0x1234; // ECX register
int r_edx = 0x7890; // EDX register
@ -323,33 +323,33 @@ static void test_i386_invalid_mem_read(void)
printf("Emulate i386 code that read from invalid memory\n");
// Initialize emulator in X86-32bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_32, &handle);
err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u\n", err);
return;
}
// map 2MB memory for this emulation
uc_mem_map(handle, ADDRESS, 2 * 1024 * 1024);
uc_mem_map(uc, ADDRESS, 2 * 1024 * 1024);
// write machine code to be emulated to memory
if (uc_mem_write(handle, ADDRESS, (uint8_t *)X86_CODE32_MEM_READ, sizeof(X86_CODE32_MEM_READ) - 1)) {
if (uc_mem_write(uc, ADDRESS, (uint8_t *)X86_CODE32_MEM_READ, sizeof(X86_CODE32_MEM_READ) - 1)) {
printf("Failed to write emulation code to memory, quit!\n");
return;
}
// initialize machine registers
uc_reg_write(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(handle, UC_X86_REG_EDX, &r_edx);
uc_reg_write(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(uc, UC_X86_REG_EDX, &r_edx);
// tracing all basic blocks with customized callback
uc_hook_add(handle, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
// tracing all instruction by having @begin > @end
uc_hook_add(handle, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0);
// emulate machine code in infinite time
err = uc_emu_start(handle, ADDRESS, ADDRESS + sizeof(X86_CODE32_MEM_READ) - 1, 0, 0);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(X86_CODE32_MEM_READ) - 1, 0, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned %u: %s\n",
err, uc_strerror(err));
@ -358,20 +358,20 @@ static void test_i386_invalid_mem_read(void)
// now print out some registers
printf(">>> Emulation done. Below is the CPU context\n");
uc_reg_read(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(handle, UC_X86_REG_EDX, &r_edx);
uc_reg_read(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(uc, UC_X86_REG_EDX, &r_edx);
printf(">>> ECX = 0x%x\n", r_ecx);
printf(">>> EDX = 0x%x\n", r_edx);
uc_close(&handle);
uc_close(uc);
}
// emulate code that read invalid memory
static void test_i386_invalid_mem_write(void)
{
uch handle, evh;
struct uc_struct *uc;
uc_err err;
uch trace1, trace2; //, trace3;
uc_hook_h trace1, trace2, trace3;
uint32_t tmp;
int r_ecx = 0x1234; // ECX register
@ -381,36 +381,36 @@ static void test_i386_invalid_mem_write(void)
printf("Emulate i386 code that write to invalid memory\n");
// Initialize emulator in X86-32bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_32, &handle);
err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u\n", err);
return;
}
// map 2MB memory for this emulation
uc_mem_map(handle, ADDRESS, 2 * 1024 * 1024);
uc_mem_map(uc, ADDRESS, 2 * 1024 * 1024);
// write machine code to be emulated to memory
if (uc_mem_write(handle, ADDRESS, (uint8_t *)X86_CODE32_MEM_WRITE, sizeof(X86_CODE32_MEM_WRITE) - 1)) {
if (uc_mem_write(uc, ADDRESS, (uint8_t *)X86_CODE32_MEM_WRITE, sizeof(X86_CODE32_MEM_WRITE) - 1)) {
printf("Failed to write emulation code to memory, quit!\n");
return;
}
// initialize machine registers
uc_reg_write(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(handle, UC_X86_REG_EDX, &r_edx);
uc_reg_write(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(uc, UC_X86_REG_EDX, &r_edx);
// tracing all basic blocks with customized callback
uc_hook_add(handle, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
// tracing all instruction by having @begin > @end
uc_hook_add(handle, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0);
// intercept invalid memory events
uc_hook_add(handle, &evh, UC_HOOK_MEM_INVALID, hook_mem_invalid, NULL);
uc_hook_add(uc, &trace3, UC_HOOK_MEM_INVALID, hook_mem_invalid, NULL);
// emulate machine code in infinite time
err = uc_emu_start(handle, ADDRESS, ADDRESS + sizeof(X86_CODE32_MEM_WRITE) - 1, 0, 0);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(X86_CODE32_MEM_WRITE) - 1, 0, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned %u: %s\n",
err, uc_strerror(err));
@ -419,31 +419,31 @@ static void test_i386_invalid_mem_write(void)
// now print out some registers
printf(">>> Emulation done. Below is the CPU context\n");
uc_reg_read(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(handle, UC_X86_REG_EDX, &r_edx);
uc_reg_read(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(uc, UC_X86_REG_EDX, &r_edx);
printf(">>> ECX = 0x%x\n", r_ecx);
printf(">>> EDX = 0x%x\n", r_edx);
// read from memory
if (!uc_mem_read(handle, 0xaaaaaaaa, (uint8_t *)&tmp, 4))
if (!uc_mem_read(uc, 0xaaaaaaaa, (uint8_t *)&tmp, 4))
printf(">>> Read 4 bytes from [0x%x] = 0x%x\n", 0xaaaaaaaa, tmp);
else
printf(">>> Failed to read 4 bytes from [0x%x]\n", 0xffffffaa);
if (!uc_mem_read(handle, 0xffffffaa, (uint8_t *)&tmp, 4))
if (!uc_mem_read(uc, 0xffffffaa, (uint8_t *)&tmp, 4))
printf(">>> Read 4 bytes from [0x%x] = 0x%x\n", 0xffffffaa, tmp);
else
printf(">>> Failed to read 4 bytes from [0x%x]\n", 0xffffffaa);
uc_close(&handle);
uc_close(uc);
}
// emulate code that jump to invalid memory
static void test_i386_jump_invalid(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
uch trace1, trace2;
uc_hook_h trace1, trace2;
int r_ecx = 0x1234; // ECX register
int r_edx = 0x7890; // EDX register
@ -452,33 +452,33 @@ static void test_i386_jump_invalid(void)
printf("Emulate i386 code that jumps to invalid memory\n");
// Initialize emulator in X86-32bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_32, &handle);
err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u\n", err);
return;
}
// map 2MB memory for this emulation
uc_mem_map(handle, ADDRESS, 2 * 1024 * 1024);
uc_mem_map(uc, ADDRESS, 2 * 1024 * 1024);
// write machine code to be emulated to memory
if (uc_mem_write(handle, ADDRESS, (uint8_t *)X86_CODE32_JMP_INVALID, sizeof(X86_CODE32_JMP_INVALID) - 1)) {
if (uc_mem_write(uc, ADDRESS, (uint8_t *)X86_CODE32_JMP_INVALID, sizeof(X86_CODE32_JMP_INVALID) - 1)) {
printf("Failed to write emulation code to memory, quit!\n");
return;
}
// initialize machine registers
uc_reg_write(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(handle, UC_X86_REG_EDX, &r_edx);
uc_reg_write(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(uc, UC_X86_REG_EDX, &r_edx);
// tracing all basic blocks with customized callback
uc_hook_add(handle, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
// tracing all instructions by having @begin > @end
uc_hook_add(handle, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0);
// emulate machine code in infinite time
err = uc_emu_start(handle, ADDRESS, ADDRESS + sizeof(X86_CODE32_JMP_INVALID) - 1, 0, 0);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(X86_CODE32_JMP_INVALID) - 1, 0, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned %u: %s\n",
err, uc_strerror(err));
@ -487,20 +487,19 @@ static void test_i386_jump_invalid(void)
// now print out some registers
printf(">>> Emulation done. Below is the CPU context\n");
uc_reg_read(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(handle, UC_X86_REG_EDX, &r_edx);
uc_reg_read(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(uc, UC_X86_REG_EDX, &r_edx);
printf(">>> ECX = 0x%x\n", r_ecx);
printf(">>> EDX = 0x%x\n", r_edx);
uc_close(&handle);
uc_close(uc);
}
static void test_i386_inout(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
uch trace1, trace2;
uch trace3, trace4;
uc_hook_h trace1, trace2, trace3, trace4;
int r_eax = 0x1234; // EAX register
int r_ecx = 0x6789; // ECX register
@ -509,38 +508,38 @@ static void test_i386_inout(void)
printf("Emulate i386 code with IN/OUT instructions\n");
// Initialize emulator in X86-32bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_32, &handle);
err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u\n", err);
return;
}
// map 2MB memory for this emulation
uc_mem_map(handle, ADDRESS, 2 * 1024 * 1024);
uc_mem_map(uc, ADDRESS, 2 * 1024 * 1024);
// write machine code to be emulated to memory
if (uc_mem_write(handle, ADDRESS, (uint8_t *)X86_CODE32_INOUT, sizeof(X86_CODE32_INOUT) - 1)) {
if (uc_mem_write(uc, ADDRESS, (uint8_t *)X86_CODE32_INOUT, sizeof(X86_CODE32_INOUT) - 1)) {
printf("Failed to write emulation code to memory, quit!\n");
return;
}
// initialize machine registers
uc_reg_write(handle, UC_X86_REG_EAX, &r_eax);
uc_reg_write(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(uc, UC_X86_REG_EAX, &r_eax);
uc_reg_write(uc, UC_X86_REG_ECX, &r_ecx);
// tracing all basic blocks with customized callback
uc_hook_add(handle, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
// tracing all instructions
uc_hook_add(handle, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0);
// handle IN instruction
uc_hook_add(handle, &trace3, UC_HOOK_INSN, hook_in, NULL, UC_X86_INS_IN);
// handle OUT instruction
uc_hook_add(handle, &trace4, UC_HOOK_INSN, hook_out, NULL, UC_X86_INS_OUT);
// uc IN instruction
uc_hook_add(uc, &trace3, UC_HOOK_INSN, hook_in, NULL, UC_X86_INS_IN);
// uc OUT instruction
uc_hook_add(uc, &trace4, UC_HOOK_INSN, hook_out, NULL, UC_X86_INS_OUT);
// emulate machine code in infinite time
err = uc_emu_start(handle, ADDRESS, ADDRESS + sizeof(X86_CODE32_INOUT) - 1, 0, 0);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(X86_CODE32_INOUT) - 1, 0, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned %u: %s\n",
err, uc_strerror(err));
@ -549,19 +548,19 @@ static void test_i386_inout(void)
// now print out some registers
printf(">>> Emulation done. Below is the CPU context\n");
uc_reg_read(handle, UC_X86_REG_EAX, &r_eax);
uc_reg_read(handle, UC_X86_REG_ECX, &r_ecx);
uc_reg_read(uc, UC_X86_REG_EAX, &r_eax);
uc_reg_read(uc, UC_X86_REG_ECX, &r_ecx);
printf(">>> EAX = 0x%x\n", r_eax);
printf(">>> ECX = 0x%x\n", r_ecx);
uc_close(&handle);
uc_close(uc);
}
static void test_x86_64(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
uch trace1, trace2, trace3, trace4;
uc_hook_h trace1, trace2, trace3, trace4;
int64_t rax = 0x71f3029efd49d41d;
int64_t rbx = 0xd87b45277f133ddb;
@ -584,54 +583,54 @@ static void test_x86_64(void)
printf("Emulate x86_64 code\n");
// Initialize emulator in X86-64bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_64, &handle);
err = uc_open(UC_ARCH_X86, UC_MODE_64, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u\n", err);
return;
}
// map 2MB memory for this emulation
uc_mem_map(handle, ADDRESS, 2 * 1024 * 1024);
uc_mem_map(uc, ADDRESS, 2 * 1024 * 1024);
// write machine code to be emulated to memory
if (uc_mem_write(handle, ADDRESS, (uint8_t *)X86_CODE64, sizeof(X86_CODE64) - 1)) {
if (uc_mem_write(uc, ADDRESS, (uint8_t *)X86_CODE64, sizeof(X86_CODE64) - 1)) {
printf("Failed to write emulation code to memory, quit!\n");
return;
}
// initialize machine registers
uc_reg_write(handle, UC_X86_REG_RSP, &rsp);
uc_reg_write(uc, UC_X86_REG_RSP, &rsp);
uc_reg_write(handle, UC_X86_REG_RAX, &rax);
uc_reg_write(handle, UC_X86_REG_RBX, &rbx);
uc_reg_write(handle, UC_X86_REG_RCX, &rcx);
uc_reg_write(handle, UC_X86_REG_RDX, &rdx);
uc_reg_write(handle, UC_X86_REG_RSI, &rsi);
uc_reg_write(handle, UC_X86_REG_RDI, &rdi);
uc_reg_write(handle, UC_X86_REG_R8, &r8);
uc_reg_write(handle, UC_X86_REG_R9, &r9);
uc_reg_write(handle, UC_X86_REG_R10, &r10);
uc_reg_write(handle, UC_X86_REG_R11, &r11);
uc_reg_write(handle, UC_X86_REG_R12, &r12);
uc_reg_write(handle, UC_X86_REG_R13, &r13);
uc_reg_write(handle, UC_X86_REG_R14, &r14);
uc_reg_write(handle, UC_X86_REG_R15, &r15);
uc_reg_write(uc, UC_X86_REG_RAX, &rax);
uc_reg_write(uc, UC_X86_REG_RBX, &rbx);
uc_reg_write(uc, UC_X86_REG_RCX, &rcx);
uc_reg_write(uc, UC_X86_REG_RDX, &rdx);
uc_reg_write(uc, UC_X86_REG_RSI, &rsi);
uc_reg_write(uc, UC_X86_REG_RDI, &rdi);
uc_reg_write(uc, UC_X86_REG_R8, &r8);
uc_reg_write(uc, UC_X86_REG_R9, &r9);
uc_reg_write(uc, UC_X86_REG_R10, &r10);
uc_reg_write(uc, UC_X86_REG_R11, &r11);
uc_reg_write(uc, UC_X86_REG_R12, &r12);
uc_reg_write(uc, UC_X86_REG_R13, &r13);
uc_reg_write(uc, UC_X86_REG_R14, &r14);
uc_reg_write(uc, UC_X86_REG_R15, &r15);
// tracing all basic blocks with customized callback
uc_hook_add(handle, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace1, UC_HOOK_BLOCK, hook_block, NULL, (uint64_t)1, (uint64_t)0);
// tracing all instructions in the range [ADDRESS, ADDRESS+20]
uc_hook_add(handle, &trace2, UC_HOOK_CODE, hook_code64, NULL, (uint64_t)ADDRESS, (uint64_t)(ADDRESS+20));
uc_hook_add(uc, &trace2, UC_HOOK_CODE, hook_code64, NULL, (uint64_t)ADDRESS, (uint64_t)(ADDRESS+20));
// tracing all memory WRITE access (with @begin > @end)
uc_hook_add(handle, &trace3, UC_HOOK_MEM_WRITE, hook_mem64, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace3, UC_HOOK_MEM_WRITE, hook_mem64, NULL, (uint64_t)1, (uint64_t)0);
// tracing all memory READ access (with @begin > @end)
uc_hook_add(handle, &trace4, UC_HOOK_MEM_READ, hook_mem64, NULL, (uint64_t)1, (uint64_t)0);
uc_hook_add(uc, &trace4, UC_HOOK_MEM_READ, hook_mem64, NULL, (uint64_t)1, (uint64_t)0);
// emulate machine code in infinite time (last param = 0), or when
// finishing all the code.
err = uc_emu_start(handle, ADDRESS, ADDRESS + sizeof(X86_CODE64) - 1, 0, 0);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(X86_CODE64) - 1, 0, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned %u: %s\n",
err, uc_strerror(err));
@ -640,20 +639,20 @@ static void test_x86_64(void)
// now print out some registers
printf(">>> Emulation done. Below is the CPU context\n");
uc_reg_read(handle, UC_X86_REG_RAX, &rax);
uc_reg_read(handle, UC_X86_REG_RBX, &rbx);
uc_reg_read(handle, UC_X86_REG_RCX, &rcx);
uc_reg_read(handle, UC_X86_REG_RDX, &rdx);
uc_reg_read(handle, UC_X86_REG_RSI, &rsi);
uc_reg_read(handle, UC_X86_REG_RDI, &rdi);
uc_reg_read(handle, UC_X86_REG_R8, &r8);
uc_reg_read(handle, UC_X86_REG_R9, &r9);
uc_reg_read(handle, UC_X86_REG_R10, &r10);
uc_reg_read(handle, UC_X86_REG_R11, &r11);
uc_reg_read(handle, UC_X86_REG_R12, &r12);
uc_reg_read(handle, UC_X86_REG_R13, &r13);
uc_reg_read(handle, UC_X86_REG_R14, &r14);
uc_reg_read(handle, UC_X86_REG_R15, &r15);
uc_reg_read(uc, UC_X86_REG_RAX, &rax);
uc_reg_read(uc, UC_X86_REG_RBX, &rbx);
uc_reg_read(uc, UC_X86_REG_RCX, &rcx);
uc_reg_read(uc, UC_X86_REG_RDX, &rdx);
uc_reg_read(uc, UC_X86_REG_RSI, &rsi);
uc_reg_read(uc, UC_X86_REG_RDI, &rdi);
uc_reg_read(uc, UC_X86_REG_R8, &r8);
uc_reg_read(uc, UC_X86_REG_R9, &r9);
uc_reg_read(uc, UC_X86_REG_R10, &r10);
uc_reg_read(uc, UC_X86_REG_R11, &r11);
uc_reg_read(uc, UC_X86_REG_R12, &r12);
uc_reg_read(uc, UC_X86_REG_R13, &r13);
uc_reg_read(uc, UC_X86_REG_R14, &r14);
uc_reg_read(uc, UC_X86_REG_R15, &r15);
printf(">>> RAX = 0x%" PRIx64 "\n", rax);
printf(">>> RBX = 0x%" PRIx64 "\n", rbx);
@ -670,12 +669,12 @@ static void test_x86_64(void)
printf(">>> R14 = 0x%" PRIx64 "\n", r14);
printf(">>> R15 = 0x%" PRIx64 "\n", r15);
uc_close(&handle);
uc_close(uc);
}
static void test_x86_16(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
uint8_t tmp;
@ -686,29 +685,29 @@ static void test_x86_16(void)
printf("Emulate x86 16-bit code\n");
// Initialize emulator in X86-16bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_16, &handle);
err = uc_open(UC_ARCH_X86, UC_MODE_16, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u\n", err);
return;
}
// map 8KB memory for this emulation
uc_mem_map(handle, 0, 8 * 1024);
uc_mem_map(uc, 0, 8 * 1024);
// write machine code to be emulated to memory
if (uc_mem_write(handle, 0, (uint8_t *)X86_CODE16, sizeof(X86_CODE64) - 1)) {
if (uc_mem_write(uc, 0, (uint8_t *)X86_CODE16, sizeof(X86_CODE64) - 1)) {
printf("Failed to write emulation code to memory, quit!\n");
return;
}
// initialize machine registers
uc_reg_write(handle, UC_X86_REG_EAX, &eax);
uc_reg_write(handle, UC_X86_REG_EBX, &ebx);
uc_reg_write(handle, UC_X86_REG_ESI, &esi);
uc_reg_write(uc, UC_X86_REG_EAX, &eax);
uc_reg_write(uc, UC_X86_REG_EBX, &ebx);
uc_reg_write(uc, UC_X86_REG_ESI, &esi);
// emulate machine code in infinite time (last param = 0), or when
// finishing all the code.
err = uc_emu_start(handle, 0, sizeof(X86_CODE16) - 1, 0, 0);
err = uc_emu_start(uc, 0, sizeof(X86_CODE16) - 1, 0, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned %u: %s\n",
err, uc_strerror(err));
@ -718,12 +717,12 @@ static void test_x86_16(void)
printf(">>> Emulation done. Below is the CPU context\n");
// read from memory
if (!uc_mem_read(handle, 11, &tmp, 1))
if (!uc_mem_read(uc, 11, &tmp, 1))
printf(">>> Read 1 bytes from [0x%x] = 0x%x\n", 11, tmp);
else
printf(">>> Failed to read 1 bytes from [0x%x]\n", 11);
uc_close(&handle);
uc_close(uc);
}
int main(int argc, char **argv, char **envp)