1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2010 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#ifndef _VMALLOC_H 23#define _VMALLOC_H 1 24 25/* Public header file for the virtual malloc package. 26** 27** Written by Kiem-Phong Vo, kpv@research.att.com, 01/16/94. 28*/ 29 30#define VMALLOC_VERSION 20100101L 31 32#if _PACKAGE_ast 33#include <ast_std.h> 34#else 35#include <ast_common.h> 36#endif 37 38typedef struct _vmalloc_s Vmalloc_t; 39typedef struct _vmstat_s Vmstat_t; 40typedef struct _vmdisc_s Vmdisc_t; 41typedef struct _vmethod_s Vmethod_t; 42typedef struct _vmdata_s Vmdata_t; 43typedef Void_t* (*Vmemory_f)_ARG_((Vmalloc_t*, Void_t*, size_t, size_t, Vmdisc_t*)); 44typedef int (*Vmexcept_f)_ARG_((Vmalloc_t*, int, Void_t*, Vmdisc_t*)); 45 46struct _vmstat_s 47{ int n_busy; /* number of busy blocks */ 48 int n_free; /* number of free blocks */ 49 size_t s_busy; /* total amount of busy space */ 50 size_t s_free; /* total amount of free space */ 51 size_t m_busy; /* largest busy piece */ 52 size_t m_free; /* largest free piece */ 53 int n_seg; /* number of segments */ 54 size_t extent; /* total size of region */ 55}; 56 57struct _vmdisc_s 58{ Vmemory_f memoryf; /* memory manipulator */ 59 Vmexcept_f exceptf; /* exception handler */ 60 size_t round; /* rounding requirement */ 61}; 62 63struct _vmethod_s 64{ Void_t* (*allocf)_ARG_((Vmalloc_t*,size_t)); 65 Void_t* (*resizef)_ARG_((Vmalloc_t*,Void_t*,size_t,int)); 66 int (*freef)_ARG_((Vmalloc_t*,Void_t*)); 67 long (*addrf)_ARG_((Vmalloc_t*,Void_t*)); 68 long (*sizef)_ARG_((Vmalloc_t*,Void_t*)); 69 int (*compactf)_ARG_((Vmalloc_t*)); 70 Void_t* (*alignf)_ARG_((Vmalloc_t*,size_t,size_t)); 71 unsigned short meth; 72}; 73 74struct _vmalloc_s 75{ Vmethod_t meth; /* method for allocation */ 76 char* file; /* file name */ 77 int line; /* line number */ 78 Void_t* func; /* calling function */ 79 Vmdisc_t* disc; /* discipline to get space */ 80 Vmdata_t* data; /* the real region data */ 81 Vmalloc_t* next; /* linked list of regions */ 82#ifdef _VM_PRIVATE_ 83 _VM_PRIVATE_ 84#endif 85}; 86 87#undef VM_FLAGS /* solaris sys kernel clash */ 88 89#define VM_TRUST 0000001 /* forgo some security checks */ 90#define VM_TRACE 0000002 /* generate trace */ 91#define VM_DBCHECK 0000004 /* check for boundary overwrite */ 92#define VM_DBABORT 0000010 /* abort on any warning */ 93#define VM_FLAGS 0000017 /* user-settable flags */ 94 95#define VM_MTBEST 0000100 /* Vmbest method */ 96#define VM_MTPOOL 0000200 /* Vmpool method */ 97#define VM_MTLAST 0000400 /* Vmlast method */ 98#define VM_MTDEBUG 0001000 /* Vmdebug method */ 99#define VM_MTPROFILE 0002000 /* Vmdebug method */ 100#define VM_METHODS 0003700 /* available allocation methods */ 101 102#define VM_RSCOPY 0000001 /* copy old contents */ 103#define VM_RSMOVE 0000002 /* old contents is moveable */ 104#define VM_RSZERO 0000004 /* clear new space */ 105 106/* exception types */ 107#define VM_OPEN 0 /* region being opened */ 108#define VM_CLOSE 1 /* announce being closed */ 109#define VM_NOMEM 2 /* can't obtain memory */ 110#define VM_BADADDR 3 /* bad addr in vmfree/vmresize */ 111#define VM_DISC 4 /* discipline being changed */ 112#define VM_ALLOC 5 /* announcement from vmalloc() */ 113#define VM_FREE 6 /* announcement from vmfree() */ 114#define VM_RESIZE 7 /* announcement from vmresize() */ 115 116_BEGIN_EXTERNS_ /* public data */ 117#if _BLD_vmalloc && defined(__EXPORT__) 118#define extern extern __EXPORT__ 119#endif 120#if !_BLD_vmalloc && defined(__IMPORT__) 121#define extern extern __IMPORT__ 122#endif 123 124extern Vmethod_t* Vmbest; /* best allocation */ 125extern Vmethod_t* Vmlast; /* last-block allocation */ 126extern Vmethod_t* Vmpool; /* pool allocation */ 127extern Vmethod_t* Vmdebug; /* allocation with debugging */ 128extern Vmethod_t* Vmprofile; /* profiling memory usage */ 129 130extern Vmdisc_t* Vmdcheap; /* heap discipline */ 131extern Vmdisc_t* Vmdcsbrk; /* sbrk discipline */ 132 133extern Vmalloc_t* Vmheap; /* heap region */ 134extern Vmalloc_t* Vmregion; /* malloc region */ 135 136#undef extern 137_END_EXTERNS_ 138 139_BEGIN_EXTERNS_ /* public functions */ 140#if _BLD_vmalloc && defined(__EXPORT__) 141#define extern __EXPORT__ 142#endif 143 144extern Vmalloc_t* vmopen _ARG_(( Vmdisc_t*, Vmethod_t*, int )); 145extern int vmclose _ARG_(( Vmalloc_t* )); 146extern int vmclear _ARG_(( Vmalloc_t* )); 147extern int vmcompact _ARG_(( Vmalloc_t* )); 148 149extern Vmdisc_t* vmdisc _ARG_(( Vmalloc_t*, Vmdisc_t* )); 150 151extern Vmalloc_t* vmmopen _ARG_(( char*, Void_t*, size_t )); 152extern Void_t* vmmset _ARG_((Vmalloc_t*, int, Void_t*, int)); 153 154extern Void_t* vmalloc _ARG_(( Vmalloc_t*, size_t )); 155extern Void_t* vmalign _ARG_(( Vmalloc_t*, size_t, size_t )); 156extern Void_t* vmresize _ARG_(( Vmalloc_t*, Void_t*, size_t, int )); 157extern Void_t* vmgetmem _ARG_(( Vmalloc_t*, Void_t*, size_t )); 158extern int vmfree _ARG_(( Vmalloc_t*, Void_t* )); 159 160extern long vmaddr _ARG_(( Vmalloc_t*, Void_t* )); 161extern long vmsize _ARG_(( Vmalloc_t*, Void_t* )); 162 163extern Vmalloc_t* vmregion _ARG_(( Void_t* )); 164extern Void_t* vmsegment _ARG_(( Vmalloc_t*, Void_t* )); 165extern int vmset _ARG_(( Vmalloc_t*, int, int )); 166 167extern Void_t* vmdbwatch _ARG_(( Void_t* )); 168extern int vmdbcheck _ARG_(( Vmalloc_t* )); 169extern int vmdebug _ARG_(( int )); 170 171extern int vmprofile _ARG_(( Vmalloc_t*, int )); 172 173extern int vmtrace _ARG_(( int )); 174extern int vmtrbusy _ARG_((Vmalloc_t*)); 175 176extern int vmstat _ARG_((Vmalloc_t*, Vmstat_t*)); 177 178extern int vmwalk _ARG_((Vmalloc_t*, 179 int(*)(Vmalloc_t*,Void_t*,size_t,Vmdisc_t*,Void_t*), 180 Void_t*)); 181extern char* vmstrdup _ARG_((Vmalloc_t*, const char*)); 182 183#if !defined(_BLD_vmalloc) && !defined(_AST_STD_H) && \ 184 !defined(__stdlib_h) && !defined(__STDLIB_H) && \ 185 !defined(_STDLIB_INCLUDED) && !defined(_INC_STDLIB) 186extern Void_t* malloc _ARG_(( size_t )); 187extern Void_t* realloc _ARG_(( Void_t*, size_t )); 188extern void free _ARG_(( Void_t* )); 189extern void cfree _ARG_(( Void_t* )); 190extern Void_t* calloc _ARG_(( size_t, size_t )); 191extern Void_t* memalign _ARG_(( size_t, size_t )); 192extern Void_t* valloc _ARG_(( size_t )); 193#endif 194 195#undef extern 196_END_EXTERNS_ 197 198/* to coerce any value to a Vmalloc_t*, make ANSI happy */ 199#define _VM_(vm) ((Vmalloc_t*)(vm)) 200 201/* enable recording of where a call originates from */ 202#ifdef VMFL 203 204#if defined(__FILE__) 205#define _VMFILE_(vm) (_VM_(vm)->file = (char*)__FILE__) 206#else 207#define _VMFILE_(vm) (_VM_(vm)->file = 0) 208#endif 209 210#if defined(__LINE__) 211#define _VMLINE_(vm) (_VM_(vm)->line = __LINE__) 212#else 213#define _VMLINE_(vm) (_VM_(vm)->line = 0) 214#endif 215 216#if defined(__FUNCTION__) 217#define _VMFUNC_(vm) (_VM_(vm)->func = (Void_t*)__FUNCTION__) 218#else 219#define _VMFUNC_(vm) (_VM_(vm)->func = 0) 220#endif 221 222#define _VMFL_(vm) (_VMFILE_(vm), _VMLINE_(vm), _VMFUNC_(vm)) 223 224#define vmalloc(vm,sz) (_VMFL_(vm), \ 225 (*(_VM_(vm)->meth.allocf))((vm),(sz)) ) 226#define vmresize(vm,d,sz,type) (_VMFL_(vm), \ 227 (*(_VM_(vm)->meth.resizef))\ 228 ((vm),(Void_t*)(d),(sz),(type)) ) 229#define vmfree(vm,d) (_VMFL_(vm), \ 230 (*(_VM_(vm)->meth.freef))((vm),(Void_t*)(d)) ) 231#define vmalign(vm,sz,align) (_VMFL_(vm), \ 232 (*(_VM_(vm)->meth.alignf))((vm),(sz),(align)) ) 233 234#undef malloc 235#undef realloc 236#undef calloc 237#undef free 238#undef memalign 239#undef valloc 240 241#if _map_malloc 242 243#define malloc(s) (_VMFL_(Vmregion), _ast_malloc((size_t)(s)) ) 244#define realloc(d,s) (_VMFL_(Vmregion), _ast_realloc((Void_t*)(d),(size_t)(s)) ) 245#define calloc(n,s) (_VMFL_(Vmregion), _ast_calloc((size_t)n, (size_t)(s)) ) 246#define free(d) (_VMFL_(Vmregion), _ast_free((Void_t*)(d)) ) 247#define memalign(a,s) (_VMFL_(Vmregion), _ast_memalign((size_t)(a),(size_t)(s)) ) 248#define valloc(s) (_VMFL_(Vmregion), _ast_valloc((size_t)(s) ) 249 250#else 251 252#if !_std_malloc 253 254#if __STD_C || defined(__STDPP__) || defined(__GNUC__) 255#define malloc(s) ( _VMFL_(Vmregion), (malloc)((size_t)(s)) ) 256#define realloc(d,s) ( _VMFL_(Vmregion), (realloc)((Void_t*)(d),(size_t)(s)) ) 257#define calloc(n,s) ( _VMFL_(Vmregion), (calloc)((size_t)n, (size_t)(s)) ) 258#define free(d) ( _VMFL_(Vmregion), (free)((Void_t*)(d)) ) 259#define memalign(a,s) ( _VMFL_(Vmregion), (memalign)((size_t)(a),(size_t)(s)) ) 260#define valloc(s) ( _VMFL_(Vmregion), (valloc)((size_t)(s)) ) 261#ifndef strdup 262#define strdup(s) ( _VMFL_(Vmregion), (strdup)((char*)(s)) ) 263#endif 264 265#else 266 267#define _VMNM_(a,b,c,d,e,f) a/**/b/**/c/**/d/**/e/**/f 268#define malloc(s) ( _VMFL_(Vmregion), _VMNM_(mallo,/,*,*,/,c)\ 269 ( (size_t)(s)) ) 270#define realloc(d,s) ( _VMFL_(Vmregion), _VMNM_(reallo,/,*,*,/,c)\ 271 ( (Void_t*)(d),(size_t)(s)) ) 272#define calloc(n,s) ( _VMFL_(Vmregion), _VMNM_(callo,/,*,*,/,c)\ 273 ( (size_t)n, (size_t)(s)) ) 274#define free(d) ( _VMFL_(Vmregion), _VMNM_(fre,/,*,*,/,e)((Void_t*)(d)) ) 275#define memalign(a,s) ( _VMFL_(Vmregion), _VMNM_(memalig,/,*,*,/,n)\ 276 ( (size_t)(a),(size_t)(s)) ) 277#define valloc(s) ( _VMFL_(Vmregion), _VMNM_(vallo,/,*,*,/,c)\ 278 ( (size_t)(s)) ) 279#ifndef strdup 280#define strdup(s) ( _VMFL_(Vmregion), _VMNM_(strdu,/,*,*,/,p)\ 281 ((char*)(s)) ) 282#endif 283 284#endif /*__STD_C || defined(__STDPP__) || defined(__GNUC__)*/ 285 286#define cfree(d) free(d) 287 288#endif /* !_std_malloc */ 289 290#endif /* _map_malloc */ 291 292#endif /*VMFL*/ 293 294/* non-debugging/profiling allocation calls */ 295#ifndef vmalloc 296#define vmalloc(vm,sz) (*(_VM_(vm)->meth.allocf))((vm),(sz)) 297#endif 298 299#ifndef vmresize 300#define vmresize(vm,d,sz,type) (*(_VM_(vm)->meth.resizef))\ 301 ((vm),(Void_t*)(d),(sz),(type)) 302#endif 303 304#ifndef vmfree 305#define vmfree(vm,d) (*(_VM_(vm)->meth.freef))((vm),(Void_t*)(d)) 306#endif 307 308#ifndef vmalign 309#define vmalign(vm,sz,align) (*(_VM_(vm)->meth.alignf))((vm),(sz),(align)) 310#endif 311 312#define vmaddr(vm,addr) (*(_VM_(vm)->meth.addrf))((vm),(Void_t*)(addr)) 313#define vmsize(vm,addr) (*(_VM_(vm)->meth.sizef))((vm),(Void_t*)(addr)) 314#define vmcompact(vm) (*(_VM_(vm)->meth.compactf))((vm)) 315#define vmoldof(v,p,t,n,x) (t*)vmresize((v), (p), sizeof(t)*(n)+(x), \ 316 (VM_RSMOVE) ) 317#define vmnewof(v,p,t,n,x) (t*)vmresize((v), (p), sizeof(t)*(n)+(x), \ 318 (VM_RSMOVE|VM_RSCOPY|VM_RSZERO) ) 319#define vmdata(vm) ((Void_t*)(_VM_(vm)->data)) 320 321#endif /* _VMALLOC_H */ 322