[deliverable/binutils-gdb.git] / gprof / cg_arcs.h

#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 */
Commit	Line	Data
5489fcc3 KR	1	#ifndef cg_arcs_h
	2	#define cg_arcs_h
	3
	4	#include "gprof.h"
	5	#include "symtab.h"
	6
	7	/*
	8	* Arc structure for call-graph.
	9	*
	10	* With pointers to the symbols of the parent and the child, a count
	11	* of how many times this arc was traversed, and pointers to the next
	12	* parent of this child and the next child of this parent.
	13	*/
	14	typedef struct arc {
	15	Sym parent; / source vertice of arc */
	16	Sym child; / dest vertice of arc */
	17	int count; /* # of calls from parent to child */
	18	double time; /* time inherited along arc */
	19	double child_time; /* child-time inherited along arc */
	20	struct arc next_parent; / next parent of CHILD */
	21	struct arc next_child; / next child of PARENT */
	22	} Arc;
	23
	24	extern 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, int count));
	28	extern Arc arc_lookup PARAMS((Sym parent, Sym *child));
	29	extern Sym **cg_assemble PARAMS((void));
	30
	31	#endif /* cg_arcs_h */