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.
16 Sym *parent; /* source vertice of arc */
17 Sym *child; /* dest vertice of arc */
18 int 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 */
26 extern int num_cycles; /* number of cycles discovered */
27 extern Sym *cycle_header; /* cycle headers */
29 extern void arc_add PARAMS ((Sym * parent, Sym * child, int count));
30 extern Arc *arc_lookup PARAMS ((Sym * parent, Sym * child));
31 extern Sym **cg_assemble PARAMS ((void));
33 #endif /* cg_arcs_h */