xref: /xnu-8796.121.2/bsd/arm/vmparam.h (revision c54f35ca767986246321eb901baf8f5ff7923f6a)
1*c54f35caSApple OSS Distributions /*
2*c54f35caSApple OSS Distributions  * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
3*c54f35caSApple OSS Distributions  */
4*c54f35caSApple OSS Distributions 
5*c54f35caSApple OSS Distributions #ifndef _BSD_ARM_VMPARAM_H_
6*c54f35caSApple OSS Distributions #define _BSD_ARM_VMPARAM_H_ 1
7*c54f35caSApple OSS Distributions 
8*c54f35caSApple OSS Distributions #if defined (__arm__) || defined (__arm64__)
9*c54f35caSApple OSS Distributions 
10*c54f35caSApple OSS Distributions #include <sys/resource.h>
11*c54f35caSApple OSS Distributions 
12*c54f35caSApple OSS Distributions #ifndef KERNEL
13*c54f35caSApple OSS Distributions #include <TargetConditionals.h>
14*c54f35caSApple OSS Distributions #endif
15*c54f35caSApple OSS Distributions 
16*c54f35caSApple OSS Distributions #define USRSTACK        (0x27E00000)    /* ASLR slides stack down by up to 1MB */
17*c54f35caSApple OSS Distributions #define USRSTACK64      (0x000000016FE00000ULL)
18*c54f35caSApple OSS Distributions 
19*c54f35caSApple OSS Distributions /*
20*c54f35caSApple OSS Distributions  * Virtual memory related constants, all in bytes
21*c54f35caSApple OSS Distributions  */
22*c54f35caSApple OSS Distributions #ifndef DFLDSIZ
23*c54f35caSApple OSS Distributions #define DFLDSIZ         (RLIM_INFINITY)         /* initial data size limit */
24*c54f35caSApple OSS Distributions #endif
25*c54f35caSApple OSS Distributions #ifndef MAXDSIZ
26*c54f35caSApple OSS Distributions #define MAXDSIZ         (RLIM_INFINITY)         /* max data size */
27*c54f35caSApple OSS Distributions #endif
28*c54f35caSApple OSS Distributions #ifndef DFLSSIZ
29*c54f35caSApple OSS Distributions /* XXX stack size default is a platform property: use getrlimit(2) */
30*c54f35caSApple OSS Distributions #if (defined(TARGET_OS_OSX) && (TARGET_OS_OSX != 0)) || \
31*c54f35caSApple OSS Distributions         (defined(KERNEL) && XNU_TARGET_OS_OSX)
32*c54f35caSApple OSS Distributions #define DFLSSIZ         (8*1024*1024 - 16*1024)
33*c54f35caSApple OSS Distributions #else
34*c54f35caSApple OSS Distributions #define DFLSSIZ         (1024*1024 - 16*1024)   /* initial stack size limit */
35*c54f35caSApple OSS Distributions #endif /* TARGET_OS_OSX .. || XNU_KERNEL_PRIVATE .. */
36*c54f35caSApple OSS Distributions #endif /* DFLSSIZ */
37*c54f35caSApple OSS Distributions #ifndef MAXSSIZ
38*c54f35caSApple OSS Distributions /* XXX stack size limit is a platform property: use getrlimit(2) */
39*c54f35caSApple OSS Distributions #if (defined(TARGET_OS_OSX) && (TARGET_OS_OSX != 0)) || \
40*c54f35caSApple OSS Distributions         (defined(KERNEL) && XNU_TARGET_OS_OSX)
41*c54f35caSApple OSS Distributions #define MAXSSIZ         (64*1024*1024)          /* max stack size */
42*c54f35caSApple OSS Distributions #else
43*c54f35caSApple OSS Distributions #define MAXSSIZ         (1024*1024)             /* max stack size */
44*c54f35caSApple OSS Distributions #endif /* TARGET_OS_OSX .. || XNU_KERNEL_PRIVATE .. */
45*c54f35caSApple OSS Distributions #endif /* MAXSSIZ */
46*c54f35caSApple OSS Distributions #ifndef DFLCSIZ
47*c54f35caSApple OSS Distributions #define DFLCSIZ         (0)                     /* initial core size limit */
48*c54f35caSApple OSS Distributions #endif
49*c54f35caSApple OSS Distributions #ifndef MAXCSIZ
50*c54f35caSApple OSS Distributions #define MAXCSIZ         (RLIM_INFINITY)         /* max core size */
51*c54f35caSApple OSS Distributions #endif  /* MAXCSIZ */
52*c54f35caSApple OSS Distributions 
53*c54f35caSApple OSS Distributions #endif /* defined (__arm__) || defined (__arm64__) */
54*c54f35caSApple OSS Distributions 
55*c54f35caSApple OSS Distributions #endif  /* _BSD_ARM_VMPARAM_H_ */
56