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samples: update sample_arm to use new API

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This commit is contained in:
Jonathon Reinhart 2015-08-26 08:28:04 -04:00
parent 7ac92ac50a
commit 7406367a34
1 changed files with 27 additions and 27 deletions
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54
samples/sample_arm.c
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@ -15,21 +15,21 @@
// memory address where emulation starts
#define ADDRESS 0x10000
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);
}
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)
{
printf(">>> Tracing instruction at 0x%"PRIx64 ", instruction size = 0x%x\n", address, size);
}
static void test_arm(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
uch trace1, trace2;
uc_hook_h trace1, trace2;
int r0 = 0x1234; // R0 register
int r2 = 0x6789; // R1 register
@ -39,7 +39,7 @@ static void test_arm(void)
printf("Emulate ARM code\n");
// Initialize emulator in ARM mode
err = uc_open(UC_ARCH_ARM, UC_MODE_ARM, &handle);
err = uc_open(UC_ARCH_ARM, UC_MODE_ARM, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u (%s)\n",
err, uc_strerror(err));
@ -47,25 +47,25 @@ static void test_arm(void)
}
// 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
uc_mem_write(handle, ADDRESS, (uint8_t *)ARM_CODE, sizeof(ARM_CODE) - 1);
uc_mem_write(uc, ADDRESS, (uint8_t *)ARM_CODE, sizeof(ARM_CODE) - 1);
// initialize machine registers
uc_reg_write(handle, UC_ARM_REG_R0, &r0);
uc_reg_write(handle, UC_ARM_REG_R2, &r2);
uc_reg_write(handle, UC_ARM_REG_R3, &r3);
uc_reg_write(uc, UC_ARM_REG_R0, &r0);
uc_reg_write(uc, UC_ARM_REG_R2, &r2);
uc_reg_write(uc, UC_ARM_REG_R3, &r3);
// 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 one instruction at ADDRESS with customized callback
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 (last param = 0), or when
// finishing all the code.
err = uc_emu_start(handle, ADDRESS, ADDRESS + sizeof(ARM_CODE) -1, 0, 0);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(ARM_CODE) -1, 0, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned: %u\n", err);
}
@ -73,26 +73,26 @@ static void test_arm(void)
// now print out some registers
printf(">>> Emulation done. Below is the CPU context\n");
uc_reg_read(handle, UC_ARM_REG_R0, &r0);
uc_reg_read(handle, UC_ARM_REG_R1, &r1);
uc_reg_read(uc, UC_ARM_REG_R0, &r0);
uc_reg_read(uc, UC_ARM_REG_R1, &r1);
printf(">>> R0 = 0x%x\n", r0);
printf(">>> R1 = 0x%x\n", r1);
uc_close(&handle);
uc_close(uc);
}
static void test_thumb(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
uch trace1, trace2;
uc_hook_h trace1, trace2;
int sp = 0x1234; // R0 register
printf("Emulate THUMB code\n");
// Initialize emulator in ARM mode
err = uc_open(UC_ARCH_ARM, UC_MODE_THUMB, &handle);
err = uc_open(UC_ARCH_ARM, UC_MODE_THUMB, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u (%s)\n",
err, uc_strerror(err));
@ -100,23 +100,23 @@ static void test_thumb(void)
}
// 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
uc_mem_write(handle, ADDRESS, (uint8_t *)THUMB_CODE, sizeof(THUMB_CODE) - 1);
uc_mem_write(uc, ADDRESS, (uint8_t *)THUMB_CODE, sizeof(THUMB_CODE) - 1);
// initialize machine registers
uc_reg_write(handle, UC_ARM_REG_SP, &sp);
uc_reg_write(uc, UC_ARM_REG_SP, &sp);
// 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 one instruction at ADDRESS with customized callback
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 (last param = 0), or when
// finishing all the code.
err = uc_emu_start(handle, ADDRESS, ADDRESS + sizeof(THUMB_CODE) -1, 0, 0);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(THUMB_CODE) -1, 0, 0);
if (err) {
printf("Failed on uc_emu_start() with error returned: %u\n", err);
}
@ -124,10 +124,10 @@ static void test_thumb(void)
// now print out some registers
printf(">>> Emulation done. Below is the CPU context\n");
uc_reg_read(handle, UC_ARM_REG_SP, &sp);
uc_reg_read(uc, UC_ARM_REG_SP, &sp);
printf(">>> SP = 0x%x\n", sp);
uc_close(&handle);
uc_close(uc);
}
int main(int argc, char **argv, char **envp)