gprof/cg_arcs.h

   1 /* Copyright (C) 2012-2019 Free Software Foundation, Inc.
   2
   3    This file is part of GNU Binutils.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  18    MA 02110-1301, USA.  */
  19 \f
  20 #ifndef cg_arcs_h
  21 #define cg_arcs_h
  22
  23 /*
  24  * Arc structure for call-graph.
  25  *
  26  * With pointers to the symbols of the parent and the child, a count
  27  * of how many times this arc was traversed, and pointers to the next
  28  * parent of this child and the next child of this parent.
  29  */
  30 typedef struct arc
  31   {
  32     Sym *parent;                /* source vertice of arc */
  33     Sym *child;                 /* dest vertice of arc */
  34     unsigned long count;        /* # of calls from parent to child */
  35     double time;                /* time inherited along arc */
  36     double child_time;          /* child-time inherited along arc */
  37     struct arc *next_parent;    /* next parent of CHILD */
  38     struct arc *next_child;     /* next child of PARENT */
  39     int has_been_placed;        /* have this arc's functions been placed? */
  40   }
  41 Arc;
  42
  43 extern unsigned int num_cycles; /* number of cycles discovered */
  44 extern Sym *cycle_header;       /* cycle headers */
  45
  46 extern void arc_add (Sym * parent, Sym * child, unsigned long count);
  47 extern Arc *arc_lookup (Sym * parent, Sym * child);
  48 extern Sym **cg_assemble (void);
  49 extern Arc **arcs;
  50 extern unsigned int numarcs;
  51
  52 #endif /* cg_arcs_h */