xref: /xnu-10063.101.15/bsd/arm/vmparam.h (revision 94d3b452840153a99b38a3a9659680b2a006908e)
1*94d3b452SApple OSS Distributions /*
2*94d3b452SApple OSS Distributions  * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
3*94d3b452SApple OSS Distributions  */
4*94d3b452SApple OSS Distributions 
5*94d3b452SApple OSS Distributions #ifndef _BSD_ARM_VMPARAM_H_
6*94d3b452SApple OSS Distributions #define _BSD_ARM_VMPARAM_H_ 1
7*94d3b452SApple OSS Distributions 
8*94d3b452SApple OSS Distributions #if defined (__arm__) || defined (__arm64__)
9*94d3b452SApple OSS Distributions 
10*94d3b452SApple OSS Distributions #include <sys/resource.h>
11*94d3b452SApple OSS Distributions 
12*94d3b452SApple OSS Distributions #ifndef KERNEL
13*94d3b452SApple OSS Distributions #include <TargetConditionals.h>
14*94d3b452SApple OSS Distributions #endif
15*94d3b452SApple OSS Distributions 
16*94d3b452SApple OSS Distributions #define USRSTACK        (0x27E00000)    /* ASLR slides stack down by up to 1MB */
17*94d3b452SApple OSS Distributions #define USRSTACK64      (0x000000016FE00000ULL)
18*94d3b452SApple OSS Distributions 
19*94d3b452SApple OSS Distributions /*
20*94d3b452SApple OSS Distributions  * Virtual memory related constants, all in bytes
21*94d3b452SApple OSS Distributions  */
22*94d3b452SApple OSS Distributions #ifndef DFLDSIZ
23*94d3b452SApple OSS Distributions #define DFLDSIZ         (RLIM_INFINITY)         /* initial data size limit */
24*94d3b452SApple OSS Distributions #endif
25*94d3b452SApple OSS Distributions #ifndef MAXDSIZ
26*94d3b452SApple OSS Distributions #define MAXDSIZ         (RLIM_INFINITY)         /* max data size */
27*94d3b452SApple OSS Distributions #endif
28*94d3b452SApple OSS Distributions #ifndef DFLSSIZ
29*94d3b452SApple OSS Distributions /* XXX stack size default is a platform property: use getrlimit(2) */
30*94d3b452SApple OSS Distributions #if (defined(TARGET_OS_OSX) && (TARGET_OS_OSX != 0)) || \
31*94d3b452SApple OSS Distributions         (defined(KERNEL) && XNU_TARGET_OS_OSX)
32*94d3b452SApple OSS Distributions #define DFLSSIZ         (8*1024*1024 - 16*1024)
33*94d3b452SApple OSS Distributions #else
34*94d3b452SApple OSS Distributions #define DFLSSIZ         (1024*1024 - 16*1024)   /* initial stack size limit */
35*94d3b452SApple OSS Distributions #endif /* TARGET_OS_OSX .. || XNU_KERNEL_PRIVATE .. */
36*94d3b452SApple OSS Distributions #endif /* DFLSSIZ */
37*94d3b452SApple OSS Distributions #ifndef MAXSSIZ
38*94d3b452SApple OSS Distributions /* XXX stack size limit is a platform property: use getrlimit(2) */
39*94d3b452SApple OSS Distributions #if (defined(TARGET_OS_OSX) && (TARGET_OS_OSX != 0)) || \
40*94d3b452SApple OSS Distributions         (defined(KERNEL) && XNU_TARGET_OS_OSX)
41*94d3b452SApple OSS Distributions #define MAXSSIZ         (64*1024*1024)          /* max stack size */
42*94d3b452SApple OSS Distributions #else
43*94d3b452SApple OSS Distributions #define MAXSSIZ         (1024*1024)             /* max stack size */
44*94d3b452SApple OSS Distributions #endif /* TARGET_OS_OSX .. || XNU_KERNEL_PRIVATE .. */
45*94d3b452SApple OSS Distributions #endif /* MAXSSIZ */
46*94d3b452SApple OSS Distributions #ifndef DFLCSIZ
47*94d3b452SApple OSS Distributions #define DFLCSIZ         (0)                     /* initial core size limit */
48*94d3b452SApple OSS Distributions #endif
49*94d3b452SApple OSS Distributions #ifndef MAXCSIZ
50*94d3b452SApple OSS Distributions #define MAXCSIZ         (RLIM_INFINITY)         /* max core size */
51*94d3b452SApple OSS Distributions #endif  /* MAXCSIZ */
52*94d3b452SApple OSS Distributions 
53*94d3b452SApple OSS Distributions #endif /* defined (__arm__) || defined (__arm64__) */
54*94d3b452SApple OSS Distributions 
55*94d3b452SApple OSS Distributions #endif  /* _BSD_ARM_VMPARAM_H_ */
56