diff options
Diffstat (limited to 'gprof/call_graph.c')
| -rw-r--r-- | gprof/call_graph.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/gprof/call_graph.c b/gprof/call_graph.c deleted file mode 100644 index a09938d103b..00000000000 --- a/gprof/call_graph.c +++ /dev/null @@ -1,128 +0,0 @@ -/* call_graph.c - Create call graphs. - - Copyright 2000, 2001 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 2 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., 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ - -#include "cg_arcs.h" -#include "call_graph.h" -#include "corefile.h" -#include "gmon_io.h" -#include "gmon_out.h" -#include "symtab.h" -#include "sym_ids.h" - -extern void -DEFUN (cg_tally, (from_pc, self_pc, count), - bfd_vma from_pc AND bfd_vma self_pc AND unsigned long count) -{ - Sym *parent; - Sym *child; - - parent = sym_lookup (&symtab, from_pc); - child = sym_lookup (&symtab, self_pc); - - if (child == NULL || parent == NULL) - return; - - /* If we're doing line-by-line profiling, both the parent and the - child will probably point to line symbols instead of function - symbols. For the parent this is fine, since this identifies the - line number in the calling routing, but the child should always - point to a function entry point, so we back up in the symbol - table until we find it. - - For normal profiling, is_func will be set on all symbols, so this - code will do nothing. */ - while (child >= symtab.base && ! child->is_func) - --child; - - if (child < symtab.base) - return; - - /* Keep arc if it is on INCL_ARCS table or if the INCL_ARCS table - is empty and it is not in the EXCL_ARCS table. */ - if (sym_id_arc_is_present (&syms[INCL_ARCS], parent, child) - || (syms[INCL_ARCS].len == 0 - && !sym_id_arc_is_present (&syms[EXCL_ARCS], parent, child))) - { - child->ncalls += count; - DBG (TALLYDEBUG, - printf (_("[cg_tally] arc from %s to %s traversed %lu times\n"), - parent->name, child->name, count)); - arc_add (parent, child, count); - } -} - -/* Read a record from file IFP describing an arc in the function - call-graph and the count of how many times the arc has been - traversed. FILENAME is the name of file IFP and is provided - for formatting error-messages only. */ - -void -DEFUN (cg_read_rec, (ifp, filename), FILE * ifp AND CONST char *filename) -{ - bfd_vma from_pc, self_pc; - unsigned int count; - - if (gmon_io_read_vma (ifp, &from_pc) - || gmon_io_read_vma (ifp, &self_pc) - || gmon_io_read_32 (ifp, &count)) - { - fprintf (stderr, _("%s: %s: unexpected end of file\n"), - whoami, filename); - done (1); - } - - DBG (SAMPLEDEBUG, - printf ("[cg_read_rec] frompc 0x%lx selfpc 0x%lx count %lu\n", - (unsigned long) from_pc, (unsigned long) self_pc, - (unsigned long) count)); - /* Add this arc: */ - cg_tally (from_pc, self_pc, count); -} - -/* Write all the arcs in the call-graph to file OFP. FILENAME is - the name of OFP and is provided for formatting error-messages - only. */ - -void -DEFUN (cg_write_arcs, (ofp, filename), FILE * ofp AND const char *filename) -{ - Arc *arc; - Sym *sym; - - for (sym = symtab.base; sym < symtab.limit; sym++) - { - for (arc = sym->cg.children; arc; arc = arc->next_child) - { - if (gmon_io_write_8 (ofp, GMON_TAG_CG_ARC) - || gmon_io_write_vma (ofp, arc->parent->addr) - || gmon_io_write_vma (ofp, arc->child->addr) - || gmon_io_write_32 (ofp, arc->count)) - { - perror (filename); - done (1); - } - DBG (SAMPLEDEBUG, - printf ("[cg_write_arcs] frompc 0x%lx selfpc 0x%lx count %lu\n", - (unsigned long) arc->parent->addr, - (unsigned long) arc->child->addr, arc->count)); - } - } -} |