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Diffstat (limited to 'src/qcommon/vm_local.h')
| -rw-r--r-- | src/qcommon/vm_local.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/src/qcommon/vm_local.h b/src/qcommon/vm_local.h new file mode 100644 index 0000000..27b5226 --- /dev/null +++ b/src/qcommon/vm_local.h @@ -0,0 +1,185 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. +Copyright (C) 2000-2006 Tim Angus + +This file is part of Tremulous. + +Tremulous 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. + +Tremulous 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 Tremulous; 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" + +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 instructionPointersLength; + + byte *dataBase; + int dataMask; + + int stackBottom; // if programStack < stackBottom, error + + int numSymbols; + struct vmSymbol_s *symbols; + + int callLevel; // for debug indenting + int breakFunction; // increment breakCount on function entry to this + int breakCount; + +// fqpath member added 7/20/02 by T.Ray + 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 ); + |