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 = 0;
  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 = num_cdats;
  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 void
 105 ir_quit()
 106 {
 107   int i;
 108
 109   for(i = 0; i <= num_odats ; i++)
 110     {
 111       free(odat_buf[i]);
 112     }
 113   for(i = 0; i <= num_cdats; i++)
 114     {
 115       free(cdat_buf[i]);
 116     }
 117   for(i = 0; i <= num_vdats; i++)
 118     {
 119       free(vdat_buf[i]);
 120     }
 121   for(i = 0; i <= num_refs; i++)
 122     {
 123       free(ref_buf[i]);
 124     }
 125   for(i = 0; i<= num_links; i++)
 126     {
 127       free(link_buf[i]);
 128     }
 129
 130 }
 131
 132 //TODO: FREE MEMORY!
 133 struct cdat*
 134 alloc_cdat()
 135 {
 136   num_cdats++;
 137   if(curr_max_cdats <= num_cdats)
 138     { if( (realloc((void*) cdat_buf, PTRS_IN_PAGE * 4)) == NULL)
 139         perror("realloc cdat_buf failed");
 140       curr_max_cdats += PTRS_IN_PAGE;
 141       if( (realloc( (void*) cdat_stack, PTRS_IN_PAGE * 4)) == NULL) //increase cdat_stack also
 142         perror("realloc cdat_stack failed");
 143     }
 144   if( (CURR_CDAT = (struct cdat*) malloc(sizeof (struct cdat)) ) == NULL )
 145     perror("malloc cdat failed");
 146
 147   return CURR_CDAT;
 148
 149 }
 150 struct odat*
 151 alloc_odat
 152 ()
 153 {
 154
 155   num_odats++;
 156   if(num_odats >= curr_max_odats)
 157     { if( (realloc((void*) odat_buf, PTRS_IN_PAGE * 4)) == NULL)
 158         perror("realloc odat_buf failed");
 159       curr_max_odats += PTRS_IN_PAGE;
 160     }
 161   if( (CURR_ODAT = (struct odat*) malloc(sizeof (struct odat))) == NULL)
 162     perror("malloc odat failed");
 163
 164   return CURR_ODAT;
 165 }
 166
 167 void
 168 alloc_vdat
 169 ()
 170 {
 171   num_vdats++;
 172   if(num_vdats >= curr_max_vdats)
 173     { if( (realloc((void*) vdat_buf, PTRS_IN_PAGE * 4)) == NULL)
 174         perror("realloc vdat_buf failed");
 175       curr_max_vdats += PTRS_IN_PAGE;
 176     }
 177   if((CURR_VDAT = (struct vdat*) malloc(sizeof (struct vdat))) == NULL)
 178      perror("malloc vdat failed");
 179
 180 }
 181
 182 struct link*
 183 alloc_link
 184 ()
 185 {
 186   num_links++;
 187
 188   if(num_links >= curr_max_links)
 189     { if( (realloc((void*) link_buf, PTRS_IN_PAGE * 4)) == NULL)
 190         perror("realloc vdat_buf failed");
 191       curr_max_links += PTRS_IN_PAGE;
 192     }
 193   if((CURR_LINK = (struct link*) malloc(sizeof (struct link))) == NULL)
 194       perror("malloc link failed");
 195
 196   return CURR_LINK;
 197 }
 198
 199 struct ref*
 200 alloc_ref
 201 ()
 202 {
 203   num_refs++;
 204
 205   if(num_refs % 16 == 0)
 206     { CURR_POST = CURR_REF;
 207       inc_posts();
 208     }
 209
 210   if(num_refs >= curr_max_refs)
 211     { if( (realloc((void*) ref_buf, PTRS_IN_PAGE * 4)) == NULL)
 212         perror("realloc ref_buf failed");
 213       curr_max_refs += PTRS_IN_PAGE;
 214     }
 215   if((CURR_REF = (struct ref*) malloc(sizeof (struct ref))) == NULL)
 216     perror("malloc ref failed");
 217
 218   return CURR_REF;
 219 }
 220
 221 void
 222 inc_posts()
 223 {
 224   if(num_posts >= curr_max_posts)
 225     { if( (realloc((void*) ref_buf, PTRS_IN_PAGE * 4)) == NULL)
 226         perror("realoc post_buf failed");
 227       curr_max_posts += PTRS_IN_PAGE;
 228     }
 229   if ((CURR_POST = (struct ref*) malloc (sizeof (struct ref))) == NULL)
 230     perror("malloc post failed");
 231
 232 }
 233
 234 struct cdat*
 235 curr_cdat
 236 ()
 237 {
 238   return CURR_CDAT;
 239 }
 240
 241 struct odat*
 242 curr_odat
 243 ()
 244 {
 245   return CURR_ODAT;
 246 }
 247 struct vdat*
 248 curr_vdat
 249 ()
 250 {
 251   return CURR_VDAT;
 252 }
 253 struct set*
 254 curr_set
 255 ()
 256 {
 257   return &CURR_CDAT->CURR_SET;
 258 }
 259 struct ele*
 260 curr_ele
 261 ()
 262 {
 263   return &CURR_CDAT->CURR_SET.CURR_ELE;
 264 }
 265 struct ref*
 266 prev_ref
 267 ()
 268 {
 269   return PREV_REF;
 270 }
 271
 272 struct quad
 273 curr_quad
 274 ()
 275 {
 276   return CURR_QUAD;
 277 }
 278 struct model
 279 curr_model
 280 ()
 281 {
 282   return CURR_MODEL;
 283 }