#include <arm/vmparam.h>

arm/vmparam.h Kernel.framework

includes: sys/resource.h
8 macros

macroUSRSTACK

#define USRSTACK (0x27E00000)
ASLR slides stack down by up to 1MB

macroUSRSTACK64

#define USRSTACK64 (0x000000016FE00000ULL)

macroDFLDSIZ

Virtual memory related constants, all in bytes
#define DFLDSIZ (RLIM_INFINITY)
initial data size limit

macroMAXDSIZ

#define MAXDSIZ (RLIM_INFINITY)
max data size

macroDFLSSIZ

#define DFLSSIZ (8*1024*1024 - 16*1024)

macroMAXSSIZ

#define MAXSSIZ (64*1024*1024)
max stack size

macroDFLCSIZ

#define DFLCSIZ (0)
initial core size limit

macroMAXCSIZ

#define MAXCSIZ (RLIM_INFINITY)
max core size