#ifndef cg_arcs_h #define cg_arcs_h /* * Arc structure for call-graph. * * With pointers to the symbols of the parent and the child, a count * of how many times this arc was traversed, and pointers to the next * parent of this child and the next child of this parent. */ typedef struct arc { Sym *parent; /* source vertice of arc */ Sym *child; /* dest vertice of arc */ unsigned long count; /* # of calls from parent to child */ double time; /* time inherited along arc */ double child_time; /* child-time inherited along arc */ struct arc *next_parent; /* next parent of CHILD */ struct arc *next_child; /* next child of PARENT */ int has_been_placed; /* have this arc's functions been placed? */ } Arc; extern unsigned int num_cycles; /* number of cycles discovered */ extern Sym *cycle_header; /* cycle headers */ extern void arc_add (Sym * parent, Sym * child, unsigned long count); extern Arc *arc_lookup (Sym * parent, Sym * child); extern Sym **cg_assemble (void); extern Arc **arcs; extern unsigned int numarcs; #endif /* cg_arcs_h */