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     Sym                 *parent;        /* source vertice of arc */
  16     Sym                 *child;         /* dest vertice of arc */
  17     int                 count;          /* # of calls from parent to child */
  18     double              time;           /* time inherited along arc */
  19     double              child_time;     /* child-time inherited along arc */
  20     struct arc          *next_parent;   /* next parent of CHILD */
  21     struct arc          *next_child;    /* next child of PARENT */
  22 } Arc;
  23
  24 extern 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, int count));
  28 extern Arc *arc_lookup PARAMS((Sym *parent, Sym *child));
  29 extern Sym **cg_assemble PARAMS((void));
  30
  31 #endif /* cg_arcs_h */