32 lines
1,015 B
C
32 lines
1,015 B
C
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#ifndef cg_arcs_h
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#define cg_arcs_h
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#include "gprof.h"
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#include "symtab.h"
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/*
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* Arc structure for call-graph.
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*
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* With pointers to the symbols of the parent and the child, a count
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* of how many times this arc was traversed, and pointers to the next
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* parent of this child and the next child of this parent.
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*/
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typedef struct arc {
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Sym *parent; /* source vertice of arc */
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Sym *child; /* dest vertice of arc */
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int count; /* # of calls from parent to child */
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double time; /* time inherited along arc */
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double child_time; /* child-time inherited along arc */
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struct arc *next_parent; /* next parent of CHILD */
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struct arc *next_child; /* next child of PARENT */
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} Arc;
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extern int num_cycles; /* number of cycles discovered */
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extern Sym *cycle_header; /* cycle headers */
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extern void arc_add PARAMS((Sym *parent, Sym *child, int count));
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extern Arc *arc_lookup PARAMS((Sym *parent, Sym *child));
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extern Sym **cg_assemble PARAMS((void));
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#endif /* cg_arcs_h */
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