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/* Copyright (C) 2012-2022 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef cg_arcs_h
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#define cg_arcs_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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{
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Sym *parent; /* source vertice of arc */
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Sym *child; /* dest vertice of arc */
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unsigned long 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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int has_been_placed; /* have this arc's functions been placed? */
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}
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Arc;
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extern unsigned 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 (Sym * parent, Sym * child, unsigned long count);
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extern Arc *arc_lookup (Sym * parent, Sym * child);
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extern Sym **cg_assemble (void);
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extern Arc **arcs;
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extern unsigned int numarcs;
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#endif /* cg_arcs_h */
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