Initial revision

1 files changed, 36 insertions, 0 deletions

diff --git a/gprof/cg_arcs.h b/gprof/cg_arcs.h
new file mode 100644
index 0000000000..caa0197a2b
--- /dev/null
+++ b/gprof/cg_arcs.h
@@ -0,0 +1,36 @@
+#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 */
+    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 PARAMS ((Sym * parent, Sym * child, unsigned long count));
+extern Arc *arc_lookup PARAMS ((Sym * parent, Sym * child));
+extern Sym **cg_assemble PARAMS ((void));
+extern Arc **arcs;
+extern unsigned int numarcs;
+
+#endif /* cg_arcs_h */