mirrors/unicorn
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

samples: update sample_arm64 to use new API

Browse Source
This commit is contained in:
Jonathon Reinhart 2015-08-26 08:30:49 -04:00
parent 7406367a34
commit 0d69d81c2e
1 changed files with 15 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
samples/sample_arm64.c
View File

@ -14,21 +14,21 @@
// 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_arm64(void)
{
uch handle;
struct uc_struct *uc;
uc_err err;
uch trace1, trace2;
uc_hook_h trace1, trace2;
int64_t x11 = 0x1234; // X11 register
int64_t x13 = 0x6789; // X13 register
@ -37,7 +37,7 @@ static void test_arm64(void)
printf("Emulate ARM64 code\n");
// Initialize emulator in ARM mode
err = uc_open(UC_ARCH_ARM64, UC_MODE_ARM, &handle);
err = uc_open(UC_ARCH_ARM64, UC_MODE_ARM, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u (%s)\n",
err, uc_strerror(err));
@ -45,25 +45,25 @@ static void test_arm64(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_ARM64_REG_X11, &x11);
uc_reg_write(handle, UC_ARM64_REG_X13, &x13);
uc_reg_write(handle, UC_ARM64_REG_X15, &x15);
uc_reg_write(uc, UC_ARM64_REG_X11, &x11);
uc_reg_write(uc, UC_ARM64_REG_X13, &x13);
uc_reg_write(uc, UC_ARM64_REG_X15, &x15);
// 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);
}
@ -71,10 +71,10 @@ static void test_arm64(void)
// now print out some registers
printf(">>> Emulation done. Below is the CPU context\n");
uc_reg_read(handle, UC_ARM64_REG_X11, &x11);
uc_reg_read(uc, UC_ARM64_REG_X11, &x11);
printf(">>> X11 = 0x%" PRIx64 "\n", x11);
uc_close(&handle);
uc_close(uc);
}
int main(int argc, char **argv, char **envp)