CCALL_NARG_GPR    532 lj_ccall.c           if (ngpr >= CCALL_NARG_GPR) return 1;  /* Register overflow. */
CCALL_NARG_GPR    685 lj_ccall.c       maxgpr = CCALL_NARG_GPR;
CCALL_NARG_GPR    126 lj_ccall.h       (CCALL_NARG_GPR > CCALL_NRET_GPR ? CCALL_NARG_GPR : CCALL_NRET_GPR)
CCALL_NARG_GPR    414 lj_ccallback.c   MSize ngpr = 0, nsp = 0, maxgpr = CCALL_NARG_GPR;