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/* Copyright (C) 2012-2020 Free Software Foundation, Inc.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef cg_arcs_h
#define cg_arcs_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 (Sym * parent, Sym * child, unsigned long count);
extern Arc *arc_lookup (Sym * parent, Sym * child);
extern Sym **cg_assemble (void);
extern Arc **arcs;
extern unsigned int numarcs;
#endif /* cg_arcs_h */
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