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182 lines
2.9 KiB
C++
182 lines
2.9 KiB
C++
//rww - so that I may utilize vm debugging features WITHOUT DROPPING TO 0.1FPS
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#ifndef _XBOX
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#define CRAZY_SYMBOL_MAP
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#endif
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#ifdef CRAZY_SYMBOL_MAP
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#include <map>
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#endif
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typedef enum {
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OP_UNDEF,
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OP_IGNORE,
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OP_BREAK,
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OP_ENTER,
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OP_LEAVE,
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OP_CALL,
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OP_PUSH,
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OP_POP,
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OP_CONST,
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OP_LOCAL,
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OP_JUMP,
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//-------------------
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OP_EQ,
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OP_NE,
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OP_LTI,
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OP_LEI,
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OP_GTI,
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OP_GEI,
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OP_LTU,
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OP_LEU,
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OP_GTU,
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OP_GEU,
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OP_EQF,
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OP_NEF,
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OP_LTF,
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OP_LEF,
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OP_GTF,
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OP_GEF,
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//-------------------
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OP_LOAD1,
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OP_LOAD2,
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OP_LOAD4,
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OP_STORE1,
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OP_STORE2,
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OP_STORE4, // *(stack[top-1]) = stack[top]
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OP_ARG,
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OP_BLOCK_COPY,
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//-------------------
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OP_SEX8,
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OP_SEX16,
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OP_NEGI,
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OP_ADD,
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OP_SUB,
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OP_DIVI,
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OP_DIVU,
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OP_MODI,
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OP_MODU,
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OP_MULI,
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OP_MULU,
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OP_BAND,
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OP_BOR,
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OP_BXOR,
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OP_BCOM,
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OP_LSH,
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OP_RSHI,
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OP_RSHU,
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OP_NEGF,
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OP_ADDF,
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OP_SUBF,
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OP_DIVF,
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OP_MULF,
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OP_CVIF,
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OP_CVFI
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} opcode_t;
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typedef int vmptr_t;
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typedef struct vmSymbol_s {
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struct vmSymbol_s *next;
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int symValue;
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int profileCount;
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char symName[1]; // variable sized
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} vmSymbol_t;
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#define VM_OFFSET_PROGRAM_STACK 0
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#define VM_OFFSET_SYSTEM_CALL 4
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struct vm_s {
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// DO NOT MOVE OR CHANGE THESE WITHOUT CHANGING THE VM_OFFSET_* DEFINES
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// USED BY THE ASM CODE
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int programStack; // the vm may be recursively entered
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int (*systemCall)( int *parms );
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//------------------------------------
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char name[MAX_QPATH];
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// for dynamic linked modules
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void *dllHandle;
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int (QDECL *entryPoint)( int callNum, ... );
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// for interpreted modules
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qboolean currentlyInterpreting;
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qboolean compiled;
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byte *codeBase;
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int codeLength;
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int *instructionPointers;
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int instructionPointersLength;
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byte *dataBase;
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int dataMask;
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int stackBottom; // if programStack < stackBottom, error
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int numSymbols;
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struct vmSymbol_s *symbols;
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int callLevel; // for debug indenting
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int breakFunction; // increment breakCount on function entry to this
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int breakCount;
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};
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#ifdef CRAZY_SYMBOL_MAP
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typedef std::map<int, vmSymbol_s*> symbolMap_t;
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typedef std::map<vm_t*, symbolMap_t> symbolVMMap_t;
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extern symbolVMMap_t g_vmMap;
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extern symbolMap_t *g_symbolMap;
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/*
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Set the symbol map based on the VM currently
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being in interpreted. This is done so that we
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do not have to do a map lookup for the VM with
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each symbol request.
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-rww
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*/
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inline void VM_SetSymbolMap(vm_t *vm)
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{
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g_symbolMap = &g_vmMap[vm];
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}
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#endif
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extern vm_t *currentVM;
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extern int vm_debugLevel;
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void VM_Compile( vm_t *vm, vmHeader_t *header );
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int VM_CallCompiled( vm_t *vm, int *args );
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void VM_PrepareInterpreter( vm_t *vm, vmHeader_t *header );
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int VM_CallInterpreted( vm_t *vm, int *args );
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vmSymbol_t *VM_ValueToFunctionSymbol( vm_t *vm, int value );
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int VM_SymbolToValue( vm_t *vm, const char *symbol );
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const char *VM_ValueToSymbol( vm_t *vm, int value );
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void VM_LogSyscalls( int *args );
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