toolchain/binutils/gprof/cg_arcs.h

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