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-rw-r--r--gprof/cg_arcs.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/gprof/cg_arcs.h b/gprof/cg_arcs.h
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+#ifndef cg_arcs_h
+#define cg_arcs_h
+
+#include "gprof.h"
+#include "symtab.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 */
+ int 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 */
+} Arc;
+
+extern int num_cycles; /* number of cycles discovered */
+extern Sym *cycle_header; /* cycle headers */
+
+extern void arc_add PARAMS((Sym *parent, Sym *child, int count));
+extern Arc *arc_lookup PARAMS((Sym *parent, Sym *child));
+extern Sym **cg_assemble PARAMS((void));
+
+#endif /* cg_arcs_h */