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#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 */
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