Basic implementation of uc_ctl

samples/sample_ctl.c

@@ -0,0 +1,76 @@
+/* Unicorn Emulator Engine */
+/* By Lazymio(@wtdcode), 2021 */
+
+/* Sample code to demonstrate how to use uc_ctl */
+
+#include <unicorn/unicorn.h>
+#include <string.h>
+
+// code to be emulated
+// code to be emulated
+#define X86_CODE32 "\x41\x4a" // INC ecx; DEC edx; PXOR xmm0, xmm1
+
+// memory address where emulation starts
+#define ADDRESS 0x10000
+
+static void test_uc_ctl_read(void)
+{
+    uc_engine *uc;
+    uc_err err;
+    uint32_t tmp;
+    uc_hook trace1, trace2;
+    int mode, arch;
+    uint32_t pagesize;
+    uint64_t timeout;
+
+    int r_ecx = 0x1234; // ECX register
+    int r_edx = 0x7890; // EDX register
+
+    printf("Reading some properties by uc_ctl.\n");
+
+    // Initialize emulator in X86-32bit mode
+    err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
+    if (err) {
+        printf("Failed on uc_open() with error returned: %u\n", err);
+        return;
+    }
+
+    // Let's query some properties by uc_ctl.
+    // Note uc_ctl_* is just tiny macro wrappers for uc_ctl().
+    err = uc_ctl_get_mode(uc, &mode);
+    if (err) {
+        printf("Failed on uc_ctl() with error returned: %u\n", err);
+        return;
+    }
+
+    err = uc_ctl_get_arch(uc, &arch);
+    if (err) {
+        printf("Failed on uc_ctl() with error returned: %u\n", err);
+        return;
+    }
+
+    err = uc_ctl_get_timeout(uc, &timeout);
+    if (err) {
+        printf("Failed on uc_ctl() with error returned: %u\n", err);
+        return;
+    }
+
+    err = uc_ctl_get_page_size(uc, &pagesize);
+    if (err) {
+        printf("Failed on uc_ctl() with error returned: %u\n", err);
+        return;
+    }
+
+    printf(">>> mode = %d, arch = %d, timeout=%" PRIu64 ", pagesize=%" PRIu32
+           "\n",
+           mode, arch, timeout, pagesize);
+
+    uc_close(uc);
+}
+
+int main(int argc, char **argv, char **envp)
+{
+    test_uc_ctl_read();
+
+    return 0;
+}