gprof/cg_arcs.h

   1 #ifndef cg_arcs_h
   2 #define cg_arcs_h
   3
   4 #include "gprof.h"
   5 #include "symtab.h"
   6
   7 /*
   8  * Arc structure for call-graph.
   9  *
  10  * With pointers to the symbols of the parent and the child, a count
  11  * of how many times this arc was traversed, and pointers to the next
  12  * parent of this child and the next child of this parent.
  13  */
  14 typedef struct arc
  15   {
  16     Sym *parent;                /* source vertice of arc */
  17     Sym *child;                 /* dest vertice of arc */
  18     unsigned long count;        /* # of calls from parent to child */
  19     double time;                /* time inherited along arc */
  20     double child_time;          /* child-time inherited along arc */
  21     struct arc *next_parent;    /* next parent of CHILD */
  22     struct arc *next_child;     /* next child of PARENT */
  23     int has_been_placed;        /* have this arc's functions been placed? */
  24   }
  25 Arc;
  26
  27 extern unsigned int num_cycles; /* number of cycles discovered */
  28 extern Sym *cycle_header;       /* cycle headers */
  29
  30 extern void arc_add PARAMS ((Sym * parent, Sym * child, unsigned long count));
  31 extern Arc *arc_lookup PARAMS ((Sym * parent, Sym * child));
  32 extern Sym **cg_assemble PARAMS ((void));
  33 extern Arc **arcs;
  34 extern unsigned int numarcs;
  35
  36 #endif /* cg_arcs_h */