src/apc/irmem.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <stdint.h>
   4 #include <errno.h>
   5 #include <string.h>
   6 #include <stdlib.h>
   7 #include <apc/ir.h>
   8 #include <unistd.h>
   9
  10 struct cdat*
  11 alloc_cdat(void);
  12 struct odat*
  13 alloc_odat(void);
  14 void
  15 alloc_vdat(void);
  16 struct link*
  17 alloc_link(void);
  18 struct ref*
  19 alloc_ref(void);
  20 struct cdat*
  21 curr_cdat(void);
  22 struct odat*
  23 curr_odat(void);
  24 struct vdat*
  25 curr_vdat(void);
  26 struct ele*
  27 curr_ele(void);
  28 struct set*
  29 curr_set(void);
  30 struct ref*
  31 prev_ref(void);
  32 struct quad
  33 curr_quad(void);
  34 struct model
  35 curr_model(void);
  36 void
  37 inc_posts(void);
  38
  39 #define CURR_CDAT (*cdat_stackp)
  40 #define CURR_SET set_list[CURR_CDAT->num_sets]
  41 #define CURR_ELE ele_list[CURR_CDAT->CURR_SET.num_ele]
  42 #define PREV_REF (ref_buf[num_refs-1])
  43 #define CURR_REF (ref_buf[num_refs])
  44 #define PREV_ODAT (odat_buf[num_odats-1])
  45 #define CURR_ODAT (odat_buf[num_odats])
  46 #define CURR_VDAT (vdat_buf[num_vdats])
  47 #define PREV_VDAT (vdat_buf[num_vdats-1])
  48 #define CURR_MODEL (CURR_VDAT->model_list[CURR_VDAT->num_models])
  49 #define CURR_LINK (link_buf[num_links])
  50 #define CURR_POST (post_buf[num_posts])
  51 #define CURR_QUAD (CURR_ODAT->quad_list[CURR_ODAT->num_quads])
  52
  53
  54 int num_cdats = -1;
  55 int curr_max_cdats = PTRS_IN_PAGE;
  56
  57 struct cdat* cdat_buf[PTRS_IN_PAGE];
  58 struct cdat* cdat_stack[PTRS_IN_PAGE];
  59 struct cdat** cdat_stackp;
  60
  61
  62 int num_odats = -1;
  63 int curr_max_odats = PTRS_IN_PAGE;
  64 struct odat* odat_buf[PTRS_IN_PAGE];
  65
  66
  67 int num_vdats = -1;
  68 int curr_max_vdats = PTRS_IN_PAGE;
  69 struct vdat* vdat_buf[PTRS_IN_PAGE];
  70
  71
  72 int num_refs = -1;
  73 int curr_max_refs = PTRS_IN_PAGE;
  74 struct ref* ref_buf[PTRS_IN_PAGE];
  75 uint64_t ss_ref_id = 0x00FFFFFF; /* system space for ref_ids */
  76
  77 int num_posts = -1;
  78 int curr_max_posts = PTRS_IN_PAGE;
  79 struct ref* post_buf[PTRS_IN_PAGE];
  80
  81
  82 int num_links = -1;
  83 int curr_max_links = PTRS_IN_PAGE;
  84 struct link* link_buf[PTRS_IN_PAGE];
  85
  86
  87 /* The initalization function of the IR. */
  88 void
  89 ir_init()
  90 {
  91
  92   /* Init root cdat and stack */
  93   char root[4] = "root";
  94
  95   cdat_buf[num_cdats] = (struct cdat*) malloc(sizeof(struct cdat) );
  96   cdat_buf[num_cdats]->idx = 0;
  97   memmove(cdat_buf[num_cdats]->name, root, 4);
  98
  99   cdat_stackp = cdat_stack;
 100   *cdat_stackp++ = cdat_buf[num_cdats++];
 101
 102 }
 103
 104 //TODO: FREE MEMORY!
 105 struct cdat*
 106 alloc_cdat()
 107 {
 108   num_cdats++;
 109   if(curr_max_cdats <= num_cdats)
 110     { if( (realloc((void*) cdat_buf, PTRS_IN_PAGE * 4)) == NULL)
 111         perror("realloc cdat_buf failed");
 112       curr_max_cdats += PTRS_IN_PAGE;
 113       if( (realloc( (void*) cdat_stack, PTRS_IN_PAGE * 4)) == NULL) //increase cdat_stack also
 114         perror("realloc cdat_stack failed");
 115     }
 116   if( (CURR_CDAT = (struct cdat*) malloc(sizeof (struct cdat)) ) == NULL )
 117     perror("malloc cdat failed");
 118
 119   return CURR_CDAT;
 120
 121 }
 122 struct odat*
 123 alloc_odat
 124 ()
 125 {
 126
 127   num_odats++;
 128   if(num_odats >= curr_max_odats)
 129     { if( (realloc((void*) odat_buf, PTRS_IN_PAGE * 4)) == NULL)
 130         perror("realloc odat_buf failed");
 131       curr_max_odats += PTRS_IN_PAGE;
 132     }
 133   if( (CURR_ODAT = (struct odat*) malloc(sizeof (struct odat))) == NULL)
 134     perror("malloc odat failed");
 135
 136   return CURR_ODAT;
 137 }
 138
 139 void
 140 alloc_vdat
 141 ()
 142 {
 143   num_vdats++;
 144   if(num_vdats >= curr_max_vdats)
 145     { if( (realloc((void*) vdat_buf, PTRS_IN_PAGE * 4)) == NULL)
 146         perror("realloc vdat_buf failed");
 147       curr_max_vdats += PTRS_IN_PAGE;
 148     }
 149   if((CURR_VDAT = (struct vdat*) malloc(sizeof (struct vdat))) == NULL)
 150      perror("malloc vdat failed");
 151
 152 }
 153
 154 struct link*
 155 alloc_link
 156 ()
 157 {
 158   num_links++;
 159
 160   if(num_links >= curr_max_links)
 161     { if( (realloc((void*) link_buf, PTRS_IN_PAGE * 4)) == NULL)
 162         perror("realloc vdat_buf failed");
 163       curr_max_links += PTRS_IN_PAGE;
 164     }
 165   if((CURR_LINK = (struct link*) malloc(sizeof (struct link))) == NULL)
 166       perror("malloc link failed");
 167
 168   return CURR_LINK;
 169 }
 170
 171 struct ref*
 172 alloc_ref
 173 ()
 174 {
 175   num_refs++;
 176
 177   if(num_refs % 16 == 0)
 178     { CURR_POST = CURR_REF;
 179       inc_posts();
 180     }
 181
 182   if(num_refs >= curr_max_refs)
 183     { if( (realloc((void*) ref_buf, PTRS_IN_PAGE * 4)) == NULL)
 184         perror("realloc ref_buf failed");
 185       curr_max_refs += PTRS_IN_PAGE;
 186     }
 187   if((CURR_REF = (struct ref*) malloc(sizeof (struct ref))) == NULL)
 188     perror("malloc ref failed");
 189
 190   return CURR_REF;
 191 }
 192
 193 void
 194 inc_posts()
 195 {
 196   if(num_posts >= curr_max_posts)
 197     { if( (realloc((void*) ref_buf, PTRS_IN_PAGE * 4)) == NULL)
 198         perror("realoc post_buf failed");
 199       curr_max_posts += PTRS_IN_PAGE;
 200     }
 201   if ((CURR_POST = (struct ref*) malloc (sizeof (struct ref))) == NULL)
 202     perror("malloc post failed");
 203
 204 }
 205
 206 struct cdat*
 207 curr_cdat
 208 ()
 209 {
 210   return CURR_CDAT;
 211 }
 212
 213 struct odat*
 214 curr_odat
 215 ()
 216 {
 217   return CURR_ODAT;
 218 }
 219 struct vdat*
 220 curr_vdat
 221 ()
 222 {
 223   return CURR_VDAT;
 224 }
 225 struct set*
 226 curr_set
 227 ()
 228 {
 229   return &CURR_CDAT->CURR_SET;
 230 }
 231 struct ele*
 232 curr_ele
 233 ()
 234 {
 235   return &CURR_CDAT->CURR_SET.CURR_ELE;
 236 }
 237 struct ref*
 238 prev_ref
 239 ()
 240 {
 241   return PREV_REF;
 242 }
 243
 244 struct quad
 245 curr_quad
 246 ()
 247 {
 248   return CURR_QUAD;
 249 }
 250 struct model
 251 curr_model
 252 ()
 253 {
 254   return CURR_MODEL;
 255 }