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gmqcc/execloop.h

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#if 0
/* Expected variables */
qc_program *prog;
#endif
#if !defined(QCVM_PROFILE)
# define QCVM_PROFILE 0
#endif
#if !defined(QCVM_TRACE)
# define QCVM_TRACE 0
#endif
#if !defined(FLOAT_IS_TRUE_FOR_INT)
# define FLOAT_IS_TRUE_FOR_INT(x) ( (x) & 0x7FFFFFFF )
#endif
#if !defined(PRVM_ERROR)
# define PRVM_ERROR printf
#endif
#if !defined(PRVM_NAME)
# define PRVM_NAME (prog->filename)
#endif
#if !defined(PROG_GETSTRING)
# define PROG_GETSTRING(x) prog_getstring(prog, (x))
#endif
#if !defined(PROG_ENTFIELD)
# define PROG_ENTFIELD(x) prog_entfield(prog, (x))
#endif
#if !defined(PROG_GETEDICT)
# define PROG_GETEDICT(x) prog_getedict(prog, (x))
#endif
#if !defined(PROG_ENTERFUNCTION)
# define PROG_ENTERFUNCTION(x) prog_enterfunction(prog, (x))
#endif
#if !defined(PROG_LEAVEFUNCTION)
# define PROG_LEAVEFUNCTION() prog_leavefunction(prog)
#endif
#define OPA ( (qcany*) (prog->globals + st->o1.u1) )
#define OPB ( (qcany*) (prog->globals + st->o2.u1) )
#define OPC ( (qcany*) (prog->globals + st->o3.u1) )
#define GLOBAL(x) ( (qcany*) (prog->globals + (x)) )
while (1)
{
prog_section_function *newf;
qcany *ed;
qcany *ptr;
++st;
/*
prog->ip++;
st = prog->code + prog->ip;
*/
#if QCVM_PROFILE
prog->profile[st - prog->code]++;
#endif
#if QCVM_TRACE
prog_print_statement(prog, st);
#endif
switch (st->opcode)
{
case INSTR_ADD_F:
OPC->_float = OPA->_float + OPB->_float;
break;
case INSTR_ADD_V:
OPC->vector[0] = OPA->vector[0] + OPB->vector[0];
OPC->vector[1] = OPA->vector[1] + OPB->vector[1];
OPC->vector[2] = OPA->vector[2] + OPB->vector[2];
break;
case INSTR_SUB_F:
OPC->_float = OPA->_float - OPB->_float;
break;
case INSTR_SUB_V:
OPC->vector[0] = OPA->vector[0] - OPB->vector[0];
OPC->vector[1] = OPA->vector[1] - OPB->vector[1];
OPC->vector[2] = OPA->vector[2] - OPB->vector[2];
break;
case INSTR_MUL_F:
OPC->_float = OPA->_float * OPB->_float;
break;
case INSTR_MUL_V:
OPC->_float = OPA->vector[0]*OPB->vector[0] + OPA->vector[1]*OPB->vector[1] + OPA->vector[2]*OPB->vector[2];
break;
case INSTR_MUL_FV:
OPC->vector[0] = OPA->_float * OPB->vector[0];
OPC->vector[1] = OPA->_float * OPB->vector[1];
OPC->vector[2] = OPA->_float * OPB->vector[2];
break;
case INSTR_MUL_VF:
OPC->vector[0] = OPB->_float * OPA->vector[0];
OPC->vector[1] = OPB->_float * OPA->vector[1];
OPC->vector[2] = OPB->_float * OPA->vector[2];
break;
case INSTR_DIV_F:
if( OPB->_float != 0.0f )
{
OPC->_float = OPA->_float / OPB->_float;
}
else
{
OPC->_float = 0.0f;
}
break;
case INSTR_BITAND:
OPC->_float = (int)OPA->_float & (int)OPB->_float;
break;
case INSTR_BITOR:
OPC->_float = (int)OPA->_float | (int)OPB->_float;
break;
case INSTR_GE:
OPC->_float = OPA->_float >= OPB->_float;
break;
case INSTR_LE:
OPC->_float = OPA->_float <= OPB->_float;
break;
case INSTR_GT:
OPC->_float = OPA->_float > OPB->_float;
break;
case INSTR_LT:
OPC->_float = OPA->_float < OPB->_float;
break;
case INSTR_AND:
/* TODO change this back to float, and add AND_I to be used by fteqcc for anything not a float */
OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) && FLOAT_IS_TRUE_FOR_INT(OPB->_int);
break;
case INSTR_OR:
/* TODO change this back to float, and add AND_I to be used by fteqcc for anything not a float */
OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) || FLOAT_IS_TRUE_FOR_INT(OPB->_int);
break;
case INSTR_NOT_F:
OPC->_float = !FLOAT_IS_TRUE_FOR_INT(OPA->_int);
break;
case INSTR_NOT_V:
OPC->_float = !OPA->vector[0] && !OPA->vector[1] && !OPA->vector[2];
break;
case INSTR_NOT_S:
OPC->_float = !OPA->string || !*PROG_GETSTRING(OPA->string);
break;
case INSTR_NOT_FNC:
OPC->_float = !OPA->function;
break;
case INSTR_NOT_ENT:
OPC->_float = (OPA->edict == 0);
break;
case INSTR_EQ_F:
OPC->_float = OPA->_float == OPB->_float;
break;
case INSTR_EQ_V:
OPC->_float = (OPA->vector[0] == OPB->vector[0]) &&
(OPA->vector[1] == OPB->vector[1]) &&
(OPA->vector[2] == OPB->vector[2]);
break;
case INSTR_EQ_S:
OPC->_float = !strcmp(PROG_GETSTRING(OPA->string),PROG_GETSTRING(OPB->string));
break;
case INSTR_EQ_E:
OPC->_float = OPA->_int == OPB->_int;
break;
case INSTR_EQ_FNC:
OPC->_float = OPA->function == OPB->function;
break;
case INSTR_NE_F:
OPC->_float = OPA->_float != OPB->_float;
break;
case INSTR_NE_V:
OPC->_float = (OPA->vector[0] != OPB->vector[0]) || (OPA->vector[1] != OPB->vector[1]) || (OPA->vector[2] != OPB->vector[2]);
break;
case INSTR_NE_S:
OPC->_float = strcmp(PROG_GETSTRING(OPA->string),PROG_GETSTRING(OPB->string));
break;
case INSTR_NE_E:
OPC->_float = OPA->_int != OPB->_int;
break;
case INSTR_NE_FNC:
OPC->_float = OPA->function != OPB->function;
break;
/*==================*/
case INSTR_STORE_F:
case INSTR_STORE_ENT:
case INSTR_STORE_FLD:
case INSTR_STORE_S:
case INSTR_STORE_FNC:
OPB->_int = OPA->_int;
break;
case INSTR_STORE_V:
OPB->ivector[0] = OPA->ivector[0];
OPB->ivector[1] = OPA->ivector[1];
OPB->ivector[2] = OPA->ivector[2];
break;
case INSTR_STOREP_F:
case INSTR_STOREP_ENT:
case INSTR_STOREP_FLD:
case INSTR_STOREP_S:
case INSTR_STOREP_FNC:
if (OPB->_int < 0 || OPB->_int >= prog->entitydata_count)
{
PRVM_ERROR("%s attempted to write to an out of bounds edict (%i)", PRVM_NAME, OPB->_int);
goto cleanup;
}
if (OPB->_int < prog->entityfields && !prog->allowworldwrites)
PRVM_ERROR("ERROR: assignment to world.%s (field %i) in %s\n", PROG_GETSTRING(PROG_ENTFIELD(OPB->_int)->name), OPB->_int, PRVM_NAME);
ptr = (qcany*)(prog->entitydata + OPB->_int);
ptr->_int = OPA->_int;
break;
case INSTR_STOREP_V:
if (OPB->_int < 0 || OPB->_int + 3 >= prog->entitydata_count)
{
PRVM_ERROR("%s attempted to write to an out of bounds edict (%i)", PRVM_NAME, OPB->_int);
goto cleanup;
}
if (OPB->_int < prog->entityfields && !prog->allowworldwrites)
PRVM_ERROR("ERROR: assignment to world.%s (field %i) in %s\n", PROG_GETSTRING(PROG_ENTFIELD(OPB->_int)->name), OPB->_int, PRVM_NAME);
ptr = (qcany*)(prog->entitydata + OPB->_int);
ptr->ivector[0] = OPA->ivector[0];
ptr->ivector[1] = OPA->ivector[1];
ptr->ivector[2] = OPA->ivector[2];
break;
case INSTR_ADDRESS:
if (OPA->edict < 0 || OPA->edict >= prog->entities)
{
PRVM_ERROR ("%s Progs attempted to address an out of bounds edict number", PRVM_NAME);
goto cleanup;
}
if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields))
{
PRVM_ERROR("%s attempted to address an invalid field (%i) in an edict", PRVM_NAME, OPB->_int);
goto cleanup;
}
ed = PROG_GETEDICT(OPA->edict);
OPC->_int = ((qcint*)ed) - prog->entitydata;
OPC->_int += OPB->_int;
break;
case INSTR_LOAD_F:
case INSTR_LOAD_FLD:
case INSTR_LOAD_ENT:
case INSTR_LOAD_S:
case INSTR_LOAD_FNC:
if (OPA->edict < 0 || OPA->edict >= prog->entities)
{
PRVM_ERROR ("%s Progs attempted to read an out of bounds edict number", PRVM_NAME);
goto cleanup;
}
if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields))
{
PRVM_ERROR("%s attempted to read an invalid field in an edict (%i)", PRVM_NAME, OPB->_int);
goto cleanup;
}
ed = PROG_GETEDICT(OPA->edict);
OPC->_int = ((qcany*)( ((qcint*)ed) + OPB->_int ))->_int;
break;
case INSTR_LOAD_V:
if (OPA->edict < 0 || OPA->edict >= prog->entities)
{
PRVM_ERROR ("%s Progs attempted to read an out of bounds edict number", PRVM_NAME);
goto cleanup;
}
if (OPB->_int < 0 || OPB->_int + 3 >= prog->entityfields)
{
PRVM_ERROR("%s attempted to read an invalid field in an edict (%i)", PRVM_NAME, OPB->_int);
goto cleanup;
}
ed = PROG_GETEDICT(OPA->edict);
OPC->ivector[0] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[0];
OPC->ivector[1] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[1];
OPC->ivector[2] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[2];
break;
/*==================*/
case INSTR_IFNOT:
if(!FLOAT_IS_TRUE_FOR_INT(OPA->_int))
/* TODO add an "int-if", and change this one to OPA->_float
although mostly unneeded, thanks to the only float being false being 0x0 and 0x80000000 (negative zero)
and entity, string, field values can never have that value
*/
{
st += st->o2.s1 - 1; /* offset the s++ */
if (++jumpcount >= maxjumps)
{
PRVM_ERROR("%s runaway loop counter hit limit of %li jumps\ntip: read above for list of most-executed functions", PRVM_NAME, jumpcount);
}
}
break;
case INSTR_IF:
if(FLOAT_IS_TRUE_FOR_INT(OPA->_int))
{
st += st->o2.s1 - 1; /* offset the s++ */
/* no bounds check needed, it is done when loading progs */
if (++jumpcount >= maxjumps)
{
PRVM_ERROR("%s runaway loop counter hit limit of %li jumps\ntip: read above for list of most-executed functions", PRVM_NAME, jumpcount);
}
}
break;
case INSTR_GOTO:
st += st->o1.s1 - 1; /* offset the s++ */
/* no bounds check needed, it is done when loading progs */
if (++jumpcount == 10000000)
{
PRVM_ERROR("%s runaway loop counter hit limit of %li jumps\ntip: read above for list of most-executed functions", PRVM_NAME, jumpcount);
}
break;
case INSTR_CALL0:
case INSTR_CALL1:
case INSTR_CALL2:
case INSTR_CALL3:
case INSTR_CALL4:
case INSTR_CALL5:
case INSTR_CALL6:
case INSTR_CALL7:
case INSTR_CALL8:
prog->argc = st->opcode - INSTR_CALL0;
if (!OPA->function)
PRVM_ERROR("NULL function in %s", PRVM_NAME);
if(!OPA->function || OPA->function >= (unsigned int)prog->functions_count)
{
PRVM_ERROR("%s CALL outside the program", PRVM_NAME);
goto cleanup;
}
newf = &prog->functions[OPA->function];
newf->profile++;
prog->statement = (st - prog->code) + 1;
if (newf->entry < 0)
{
/* negative statements are built in functions */
int builtinnumber = -newf->entry;
if (builtinnumber < prog->builtins_count && prog->builtins[builtinnumber])
{
prog->builtins[builtinnumber](prog);
}
else
PRVM_ERROR("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, PRVM_NAME);
}
else
st = prog->code + PROG_ENTERFUNCTION(newf);
break;
case INSTR_DONE:
case INSTR_RETURN:
/* add instruction count to function profile count */
GLOBAL(OFS_RETURN)->ivector[0] = OPA->ivector[0];
GLOBAL(OFS_RETURN)->ivector[1] = OPA->ivector[1];
GLOBAL(OFS_RETURN)->ivector[2] = OPA->ivector[2];
st = prog->code + PROG_LEAVEFUNCTION();
if (!prog->stack_count)
goto cleanup;
break;
case INSTR_STATE:
break;
/* LordHavoc: to be enabled when Progs version 7 (or whatever it will be numbered) is finalized */
/*
case INSTR_ADD_I:
OPC->_int = OPA->_int + OPB->_int;
break;
case INSTR_ADD_IF:
OPC->_int = OPA->_int + (int) OPB->_float;
break;
case INSTR_ADD_FI:
OPC->_float = OPA->_float + (float) OPB->_int;
break;
case INSTR_SUB_I:
OPC->_int = OPA->_int - OPB->_int;
break;
case INSTR_SUB_IF:
OPC->_int = OPA->_int - (int) OPB->_float;
break;
case INSTR_SUB_FI:
OPC->_float = OPA->_float - (float) OPB->_int;
break;
case INSTR_MUL_I:
OPC->_int = OPA->_int * OPB->_int;
break;
case INSTR_MUL_IF:
OPC->_int = OPA->_int * (int) OPB->_float;
break;
case INSTR_MUL_FI:
OPC->_float = OPA->_float * (float) OPB->_int;
break;
case INSTR_MUL_VI:
OPC->vector[0] = (float) OPB->_int * OPA->vector[0];
OPC->vector[1] = (float) OPB->_int * OPA->vector[1];
OPC->vector[2] = (float) OPB->_int * OPA->vector[2];
break;
case INSTR_DIV_VF:
{
float temp = 1.0f / OPB->_float;
OPC->vector[0] = temp * OPA->vector[0];
OPC->vector[1] = temp * OPA->vector[1];
OPC->vector[2] = temp * OPA->vector[2];
}
break;
case INSTR_DIV_I:
OPC->_int = OPA->_int / OPB->_int;
break;
case INSTR_DIV_IF:
OPC->_int = OPA->_int / (int) OPB->_float;
break;
case INSTR_DIV_FI:
OPC->_float = OPA->_float / (float) OPB->_int;
break;
case INSTR_CONV_IF:
OPC->_float = OPA->_int;
break;
case INSTR_CONV_FI:
OPC->_int = OPA->_float;
break;
case INSTR_BITAND_I:
OPC->_int = OPA->_int & OPB->_int;
break;
case INSTR_BITOR_I:
OPC->_int = OPA->_int | OPB->_int;
break;
case INSTR_BITAND_IF:
OPC->_int = OPA->_int & (int)OPB->_float;
break;
case INSTR_BITOR_IF:
OPC->_int = OPA->_int | (int)OPB->_float;
break;
case INSTR_BITAND_FI:
OPC->_float = (int)OPA->_float & OPB->_int;
break;
case INSTR_BITOR_FI:
OPC->_float = (int)OPA->_float | OPB->_int;
break;
case INSTR_GE_I:
OPC->_float = OPA->_int >= OPB->_int;
break;
case INSTR_LE_I:
OPC->_float = OPA->_int <= OPB->_int;
break;
case INSTR_GT_I:
OPC->_float = OPA->_int > OPB->_int;
break;
case INSTR_LT_I:
OPC->_float = OPA->_int < OPB->_int;
break;
case INSTR_AND_I:
OPC->_float = OPA->_int && OPB->_int;
break;
case INSTR_OR_I:
OPC->_float = OPA->_int || OPB->_int;
break;
case INSTR_GE_IF:
OPC->_float = (float)OPA->_int >= OPB->_float;
break;
case INSTR_LE_IF:
OPC->_float = (float)OPA->_int <= OPB->_float;
break;
case INSTR_GT_IF:
OPC->_float = (float)OPA->_int > OPB->_float;
break;
case INSTR_LT_IF:
OPC->_float = (float)OPA->_int < OPB->_float;
break;
case INSTR_AND_IF:
OPC->_float = (float)OPA->_int && OPB->_float;
break;
case INSTR_OR_IF:
OPC->_float = (float)OPA->_int || OPB->_float;
break;
case INSTR_GE_FI:
OPC->_float = OPA->_float >= (float)OPB->_int;
break;
case INSTR_LE_FI:
OPC->_float = OPA->_float <= (float)OPB->_int;
break;
case INSTR_GT_FI:
OPC->_float = OPA->_float > (float)OPB->_int;
break;
case INSTR_LT_FI:
OPC->_float = OPA->_float < (float)OPB->_int;
break;
case INSTR_AND_FI:
OPC->_float = OPA->_float && (float)OPB->_int;
break;
case INSTR_OR_FI:
OPC->_float = OPA->_float || (float)OPB->_int;
break;
case INSTR_NOT_I:
OPC->_float = !OPA->_int;
break;
case INSTR_EQ_I:
OPC->_float = OPA->_int == OPB->_int;
break;
case INSTR_EQ_IF:
OPC->_float = (float)OPA->_int == OPB->_float;
break;
case INSTR_EQ_FI:
OPC->_float = OPA->_float == (float)OPB->_int;
break;
case INSTR_NE_I:
OPC->_float = OPA->_int != OPB->_int;
break;
case INSTR_NE_IF:
OPC->_float = (float)OPA->_int != OPB->_float;
break;
case INSTR_NE_FI:
OPC->_float = OPA->_float != (float)OPB->_int;
break;
case INSTR_STORE_I:
OPB->_int = OPA->_int;
break;
case INSTR_STOREP_I:
#if PRBOUNDSCHECK
if (OPB->_int < 0 || OPB->_int + 4 > pr_edictareasize)
{
PRVM_ERROR ("%s Progs attempted to write to an out of bounds edict", PRVM_NAME);
goto cleanup;
}
#endif
ptr = (prvm_eval_t *)(prog->edictsfields + OPB->_int);
ptr->_int = OPA->_int;
break;
case INSTR_LOAD_I:
#if PRBOUNDSCHECK
if (OPA->edict < 0 || OPA->edict >= prog->max_edicts)
{
PRVM_ERROR ("%s Progs attempted to read an out of bounds edict number", PRVM_NAME);
goto cleanup;
}
if (OPB->_int < 0 || OPB->_int >= progs->entityfields)
{
PRVM_ERROR ("%s Progs attempted to read an invalid field in an edict", PRVM_NAME);
goto cleanup;
}
#endif
ed = PRVM_PROG_TO_EDICT(OPA->edict);
OPC->_int = ((prvm_eval_t *)((int *)ed->v + OPB->_int))->_int;
break;
}
*/
default:
PRVM_ERROR("Illegal instruction in %s\n", PRVM_NAME);
goto cleanup;
}
}
#undef QCVM_PROFILE
#undef QCVM_TRACE
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