Fuck git

external/unarr/rar/rarvm.h

@@ -0,0 +1,117 @@
+/* Copyright 2015 the unarr project authors (see AUTHORS file).
+   License: LGPLv3 */
+
+/* adapted from https://code.google.com/p/theunarchiver/source/browse/XADMaster/RARVirtualMachine.h */
+
+#ifndef rar_vm_h
+#define rar_vm_h
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#define RARProgramMemorySize 0x40000
+#define RARProgramMemoryMask (RARProgramMemorySize - 1)
+#define RARProgramWorkSize 0x3c000
+#define RARProgramGlobalSize 0x2000
+#define RARProgramSystemGlobalAddress RARProgramWorkSize
+#define RARProgramSystemGlobalSize 64
+#define RARProgramUserGlobalAddress (RARProgramSystemGlobalAddress + RARProgramSystemGlobalSize)
+#define RARProgramUserGlobalSize (RARProgramGlobalSize - RARProgramSystemGlobalSize)
+#define RARRuntimeMaxInstructions 250000000
+
+#define RARRegisterAddressingMode(n) (0 + (n))
+#define RARRegisterIndirectAddressingMode(n) (8 + (n))
+#define RARIndexedAbsoluteAddressingMode(n) (16 + (n))
+#define RARAbsoluteAddressingMode 24
+#define RARImmediateAddressingMode 25
+#define RARNumberOfAddressingModes 26
+
+typedef struct RARVirtualMachine RARVirtualMachine;
+
+struct RARVirtualMachine {
+    uint32_t registers[8];
+    uint8_t memory[RARProgramMemorySize + sizeof(uint32_t) /* overflow sentinel */];
+};
+
+typedef struct RARProgram_s RARProgram;
+
+/* Program building */
+
+enum {
+    RARMovInstruction = 0,
+    RARCmpInstruction = 1,
+    RARAddInstruction = 2,
+    RARSubInstruction = 3,
+    RARJzInstruction = 4,
+    RARJnzInstruction = 5,
+    RARIncInstruction = 6,
+    RARDecInstruction = 7,
+    RARJmpInstruction = 8,
+    RARXorInstruction = 9,
+    RARAndInstruction = 10,
+    RAROrInstruction = 11,
+    RARTestInstruction = 12,
+    RARJsInstruction = 13,
+    RARJnsInstruction = 14,
+    RARJbInstruction = 15,
+    RARJbeInstruction = 16,
+    RARJaInstruction = 17,
+    RARJaeInstruction = 18,
+    RARPushInstruction = 19,
+    RARPopInstruction = 20,
+    RARCallInstruction = 21,
+    RARRetInstruction = 22,
+    RARNotInstruction = 23,
+    RARShlInstruction = 24,
+    RARShrInstruction = 25,
+    RARSarInstruction = 26,
+    RARNegInstruction = 27,
+    RARPushaInstruction = 28,
+    RARPopaInstruction = 29,
+    RARPushfInstruction = 30,
+    RARPopfInstruction = 31,
+    RARMovzxInstruction = 32,
+    RARMovsxInstruction = 33,
+    RARXchgInstruction = 34,
+    RARMulInstruction = 35,
+    RARDivInstruction = 36,
+    RARAdcInstruction = 37,
+    RARSbbInstruction = 38,
+    RARPrintInstruction = 39,
+    RARNumberOfInstructions = 40,
+};
+
+RARProgram *RARCreateProgram(void);
+void RARDeleteProgram(RARProgram *prog);
+bool RARProgramAddInstr(RARProgram *prog, uint8_t instruction, bool bytemode);
+bool RARSetLastInstrOperands(RARProgram *prog, uint8_t addressingmode1, uint32_t value1, uint8_t addressingmode2, uint32_t value2);
+bool RARIsProgramTerminated(RARProgram *prog);
+
+/* Execution */
+
+bool RARExecuteProgram(RARVirtualMachine *vm, RARProgram *prog);
+
+/* Memory and register access (convenience) */
+
+void RARSetVirtualMachineRegisters(RARVirtualMachine *vm, uint32_t registers[8]);
+uint32_t RARVirtualMachineRead32(RARVirtualMachine *vm, uint32_t address);
+void RARVirtualMachineWrite32(RARVirtualMachine *vm, uint32_t address, uint32_t val);
+uint8_t RARVirtualMachineRead8(RARVirtualMachine *vm, uint32_t address);
+void RARVirtualMachineWrite8(RARVirtualMachine *vm, uint32_t address, uint8_t val);
+
+/* Instruction properties */
+
+int NumberOfRARInstructionOperands(uint8_t instruction);
+bool RARInstructionHasByteMode(uint8_t instruction);
+bool RARInstructionIsUnconditionalJump(uint8_t instruction);
+bool RARInstructionIsRelativeJump(uint8_t instruction);
+bool RARInstructionWritesFirstOperand(uint8_t instruction);
+bool RARInstructionWritesSecondOperand(uint8_t instruction);
+
+/* Program debugging */
+
+#ifndef NDEBUG
+void RARPrintProgram(RARProgram *prog);
+#endif
+
+#endif