Add python support for s390x

bindings/python/sample_s390x.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+
+from unicorn import *
+from unicorn.s390x_const import *
+
+# lr %r2, %r3
+S390X_CODE = b"\x18\x23"
+
+# memory address where emulation starts
+ADDRESS    = 0x10000
+
+
+# callback for tracing basic blocks
+def hook_block(uc, address, size, user_data):
+    print(">>> Tracing basic block at 0x%x, block size = 0x%x" %(address, size))
+
+
+# callback for tracing instructions
+def hook_code(uc, address, size, user_data):
+    print(">>> Tracing instruction at 0x%x, instruction size = 0x%x" %(address, size))
+
+
+# Test RISCV
+def test_s390x():
+    print("Emulate S390X code")
+    try:
+        # Initialize emulator in big endian mode
+        mu = Uc(UC_ARCH_S390X, UC_MODE_BIG_ENDIAN)
+
+        # map 2MB memory for this emulation
+        mu.mem_map(ADDRESS, 2 * 1024 * 1024)
+
+        # write machine code to be emulated to memory
+        mu.mem_write(ADDRESS, S390X_CODE)
+
+        # initialize machine registers
+        mu.reg_write(UC_S390X_REG_R3, 0x7890)
+
+        # tracing all basic blocks with customized callback
+        mu.hook_add(UC_HOOK_BLOCK, hook_block)
+
+        # tracing all instructions with customized callback
+        mu.hook_add(UC_HOOK_CODE, hook_code)
+
+        # emulate machine code in infinite time
+        mu.emu_start(ADDRESS, ADDRESS + len(S390X_CODE))
+
+        # now print out some registers
+        print(">>> Emulation done. Below is the CPU context")
+
+        r2 = mu.reg_read(UC_S390X_REG_R2)
+        r3 = mu.reg_read(UC_S390X_REG_R3)
+        print(">>> R2 = 0x%x" % r2)
+        print(">>> R3 = 0x%x" % r3)
+
+    except UcError as e:
+        print("ERROR: %s" % e)
+
+
+if __name__ == '__main__':
+    test_s390x()
+