| 1 | #ifndef cg_arcs_h |
| 2 | #define cg_arcs_h |
| 3 | |
| 4 | /* |
| 5 | * Arc structure for call-graph. |
| 6 | * |
| 7 | * With pointers to the symbols of the parent and the child, a count |
| 8 | * of how many times this arc was traversed, and pointers to the next |
| 9 | * parent of this child and the next child of this parent. |
| 10 | */ |
| 11 | typedef struct arc |
| 12 | { |
| 13 | Sym *parent; /* source vertice of arc */ |
| 14 | Sym *child; /* dest vertice of arc */ |
| 15 | unsigned long count; /* # of calls from parent to child */ |
| 16 | double time; /* time inherited along arc */ |
| 17 | double child_time; /* child-time inherited along arc */ |
| 18 | struct arc *next_parent; /* next parent of CHILD */ |
| 19 | struct arc *next_child; /* next child of PARENT */ |
| 20 | int has_been_placed; /* have this arc's functions been placed? */ |
| 21 | } |
| 22 | Arc; |
| 23 | |
| 24 | extern unsigned 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, unsigned long count)); |
| 28 | extern Arc *arc_lookup PARAMS ((Sym * parent, Sym * child)); |
| 29 | extern Sym **cg_assemble PARAMS ((void)); |
| 30 | extern Arc **arcs; |
| 31 | extern unsigned int numarcs; |
| 32 | |
| 33 | #endif /* cg_arcs_h */ |