8 * Arc structure for call-graph.
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.
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 */
24 extern int num_cycles; /* number of cycles discovered */
25 extern Sym *cycle_header; /* cycle headers */
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));
31 #endif /* cg_arcs_h */