X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gprof%2Fcall_graph.c;h=1ccf94994fe9a14d0ddaaab929f6831ba17fcbcb;hb=d835a58baae720abe909795cb68763040d1750a8;hp=6eee251ff0849cbf5fa5d239502288949dec26f1;hpb=abd8680d6efd97e7ba848a6392ee3ad72be18cd0;p=deliverable%2Fbinutils-gdb.git

diff --git a/gprof/call_graph.c b/gprof/call_graph.c
index 6eee251ff0..1ccf94994f 100644
--- a/gprof/call_graph.c
+++ b/gprof/call_graph.c
@@ -1,14 +1,37 @@
+/* call_graph.c  -  Create call graphs.
+
+   Copyright (C) 1999-2020 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.  */
+
+#include "gprof.h"
+#include "search_list.h"
+#include "source.h"
+#include "symtab.h"
 #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)
+void
+cg_tally (bfd_vma from_pc, bfd_vma self_pc, unsigned long count)
 {
   Sym *parent;
   Sym *child;
@@ -25,20 +48,17 @@ DEFUN (cg_tally, (from_pc, self_pc, count),
      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.
-   */
+  /* 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)))
@@ -51,47 +71,41 @@ DEFUN (cg_tally, (from_pc, self_pc, 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.  */
 
-/*
- * 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)
+cg_read_rec (FILE *ifp, const char *filename)
 {
   bfd_vma from_pc, self_pc;
-  struct gmon_cg_arc_record arc;
-  unsigned long count;
+  unsigned int count;
 
-  if (fread (&arc, sizeof (arc), 1, ifp) != 1)
+  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);
     }
-  from_pc = get_vma (core_bfd, (bfd_byte *) arc.from_pc);
-  self_pc = get_vma (core_bfd, (bfd_byte *) arc.self_pc);
-  count = bfd_get_32 (core_bfd, (bfd_byte *) arc.count);
+
   DBG (SAMPLEDEBUG,
        printf ("[cg_read_rec] frompc 0x%lx selfpc 0x%lx count %lu\n",
-	       (unsigned long) from_pc, (unsigned long) self_pc, count));
-  /* add this arc: */
+	       (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.  */
 
-/*
- * 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)
+cg_write_arcs (FILE *ofp, const char *filename)
 {
-  const unsigned char tag = GMON_TAG_CG_ARC;
-  struct gmon_cg_arc_record raw_arc;
   Arc *arc;
   Sym *sym;
 
@@ -99,11 +113,10 @@ DEFUN (cg_write_arcs, (ofp, filename), FILE * ofp AND const char *filename)
     {
       for (arc = sym->cg.children; arc; arc = arc->next_child)
 	{
-	  put_vma (core_bfd, arc->parent->addr, (bfd_byte *) raw_arc.from_pc);
-	  put_vma (core_bfd, arc->child->addr, (bfd_byte *) raw_arc.self_pc);
-	  bfd_put_32 (core_bfd, arc->count, (bfd_byte *) raw_arc.count);
-	  if (fwrite (&tag, sizeof (tag), 1, ofp) != 1
-	      || fwrite (&raw_arc, sizeof (raw_arc), 1, ofp) != 1)
+	  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);