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-rw-r--r--code/qcommon/vm_local.h190
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diff --git a/code/qcommon/vm_local.h b/code/qcommon/vm_local.h
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+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena source code is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Quake III Arena source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+#include "q_shared.h"
+#include "qcommon.h"
+
+#define OPSTACK_SIZE 256
+#define OPSTACK_MASK (OPSTACK_SIZE-1)
+
+// don't change
+// Hardcoded in q3asm an reserved at end of bss
+#define PROGRAM_STACK_SIZE 0x10000
+#define PROGRAM_STACK_MASK (PROGRAM_STACK_SIZE-1)
+
+typedef enum {
+ OP_UNDEF,
+
+ OP_IGNORE,
+
+ OP_BREAK,
+
+ OP_ENTER,
+ OP_LEAVE,
+ OP_CALL,
+ OP_PUSH,
+ OP_POP,
+
+ OP_CONST,
+ OP_LOCAL,
+
+ OP_JUMP,
+
+ //-------------------
+
+ OP_EQ,
+ OP_NE,
+
+ OP_LTI,
+ OP_LEI,
+ OP_GTI,
+ OP_GEI,
+
+ OP_LTU,
+ OP_LEU,
+ OP_GTU,
+ OP_GEU,
+
+ OP_EQF,
+ OP_NEF,
+
+ OP_LTF,
+ OP_LEF,
+ OP_GTF,
+ OP_GEF,
+
+ //-------------------
+
+ OP_LOAD1,
+ OP_LOAD2,
+ OP_LOAD4,
+ OP_STORE1,
+ OP_STORE2,
+ OP_STORE4, // *(stack[top-1]) = stack[top]
+ OP_ARG,
+
+ OP_BLOCK_COPY,
+
+ //-------------------
+
+ OP_SEX8,
+ OP_SEX16,
+
+ OP_NEGI,
+ OP_ADD,
+ OP_SUB,
+ OP_DIVI,
+ OP_DIVU,
+ OP_MODI,
+ OP_MODU,
+ OP_MULI,
+ OP_MULU,
+
+ OP_BAND,
+ OP_BOR,
+ OP_BXOR,
+ OP_BCOM,
+
+ OP_LSH,
+ OP_RSHI,
+ OP_RSHU,
+
+ OP_NEGF,
+ OP_ADDF,
+ OP_SUBF,
+ OP_DIVF,
+ OP_MULF,
+
+ OP_CVIF,
+ OP_CVFI
+} opcode_t;
+
+
+
+typedef int vmptr_t;
+
+typedef struct vmSymbol_s {
+ struct vmSymbol_s *next;
+ int symValue;
+ int profileCount;
+ char symName[1]; // variable sized
+} vmSymbol_t;
+
+#define VM_OFFSET_PROGRAM_STACK 0
+#define VM_OFFSET_SYSTEM_CALL 4
+
+struct vm_s {
+ // DO NOT MOVE OR CHANGE THESE WITHOUT CHANGING THE VM_OFFSET_* DEFINES
+ // USED BY THE ASM CODE
+ int programStack; // the vm may be recursively entered
+ intptr_t (*systemCall)( intptr_t *parms );
+
+ //------------------------------------
+
+ char name[MAX_QPATH];
+
+ // for dynamic linked modules
+ void *dllHandle;
+ intptr_t (QDECL *entryPoint)( int callNum, ... );
+ void (*destroy)(vm_t* self);
+
+ // for interpreted modules
+ qboolean currentlyInterpreting;
+
+ qboolean compiled;
+ byte *codeBase;
+ int codeLength;
+
+ int *instructionPointers;
+ int instructionCount;
+
+ byte *dataBase;
+ int dataMask;
+
+ int stackBottom; // if programStack < stackBottom, error
+
+ int numSymbols;
+ struct vmSymbol_s *symbols;
+
+ int callLevel; // counts recursive VM_Call
+ int breakFunction; // increment breakCount on function entry to this
+ int breakCount;
+
+ char fqpath[MAX_QPATH+1] ;
+
+ byte *jumpTableTargets;
+ int numJumpTableTargets;
+};
+
+
+extern vm_t *currentVM;
+extern int vm_debugLevel;
+
+void VM_Compile( vm_t *vm, vmHeader_t *header );
+int VM_CallCompiled( vm_t *vm, int *args );
+
+void VM_PrepareInterpreter( vm_t *vm, vmHeader_t *header );
+int VM_CallInterpreted( vm_t *vm, int *args );
+
+vmSymbol_t *VM_ValueToFunctionSymbol( vm_t *vm, int value );
+int VM_SymbolToValue( vm_t *vm, const char *symbol );
+const char *VM_ValueToSymbol( vm_t *vm, int value );
+void VM_LogSyscalls( int *args );