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more security checks in interpreter (#4249)

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This commit is contained in:
Ludwig Nussel 2009-11-01 19:58:07 +00:00
parent cc9a74a218
commit 469c986640
3 changed files with 14 additions and 11 deletions
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8
code/qcommon/vm.c
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@ -245,7 +245,7 @@ void VM_LoadSymbols( vm_t *vm ) {
return;
}
numInstructions = vm->instructionPointersLength >> 2;
numInstructions = vm->instructionCount;
// parse the symbols
text_p = mapfile.c;
@ -571,8 +571,8 @@ vm_t *VM_Create( const char *module, intptr_t (*systemCalls)(intptr_t *),
}
// allocate space for the jump targets, which will be filled in by the compile/prep functions
vm->instructionPointersLength = header->instructionCount * 4;
vm->instructionPointers = Hunk_Alloc( vm->instructionPointersLength, h_high );
vm->instructionCount = header->instructionCount;
vm->instructionPointers = Hunk_Alloc( vm->instructionCount*4, h_high );
// copy or compile the instructions
vm->codeLength = header->codeLength;
@ -888,7 +888,7 @@ void VM_VmInfo_f( void ) {
Com_Printf( "interpreted\n" );
}
Com_Printf( " code length : %7i\n", vm->codeLength );
Com_Printf( " table length: %7i\n", vm->instructionPointersLength );
Com_Printf( " table length: %7i\n", vm->instructionCount*4 );
Com_Printf( " data length : %7i\n", vm->dataMask + 1 );
}
}