add: migrate source code of luahook

blcrack/cracker/Dobby/source/MemoryAllocator/CodeBuffer/code-buffer-arm.h

@@ -0,0 +1,59 @@
+#ifndef CODE_BUFFER_ARM_H
+#define CODE_BUFFER_ARM_H
+
+#include "MemoryAllocator/CodeBuffer/CodeBufferBase.h"
+
+typedef int32_t arm_inst_t;
+typedef int16_t thumb1_inst_t;
+typedef int32_t thumb2_inst_t;
+
+class CodeBuffer : public CodeBufferBase {
+  enum ExecuteState { ARMExecuteState, ThumbExecuteState };
+
+public:
+  CodeBuffer() : CodeBufferBase() {
+  }
+
+public:
+  arm_inst_t LoadARMInst(uint32_t offset) {
+    return *reinterpret_cast<arm_inst_t *>(GetBuffer() + offset);
+  }
+
+  thumb1_inst_t LoadThumb1Inst(uint32_t offset) {
+    return *reinterpret_cast<thumb1_inst_t *>(GetBuffer() + offset);
+  }
+
+  thumb2_inst_t LoadThumb2Inst(uint32_t offset) {
+    return *reinterpret_cast<thumb2_inst_t *>(GetBuffer() + offset);
+  }
+
+  void RewriteAddr(uint32_t offset, addr32_t addr) {
+    memcpy(GetBuffer() + offset, &addr, sizeof(addr));
+  }
+
+  void RewriteARMInst(uint32_t offset, arm_inst_t instr) {
+    *reinterpret_cast<arm_inst_t *>(GetBuffer() + offset) = instr;
+  }
+
+  void RewriteThumb1Inst(uint32_t offset, thumb1_inst_t instr) {
+    *reinterpret_cast<thumb1_inst_t *>(GetBuffer() + offset) = instr;
+  }
+
+  void RewriteThumb2Inst(uint32_t offset, thumb2_inst_t instr) {
+    memcpy(GetBuffer() + offset, &instr, sizeof(instr));
+  }
+
+  void EmitARMInst(arm_inst_t instr) {
+    Emit(instr);
+  }
+
+  void EmitThumb1Inst(thumb1_inst_t instr) {
+    Emit(instr);
+  }
+
+  void EmitThumb2Inst(thumb2_inst_t instr) {
+    Emit(instr);
+  }
+};
+
+#endif