gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gprof / i386.c

diff --git a/gprof/i386.c b/gprof/i386.c
index 18aad1caeec0e48457d08393ee970927057c469b..bdf8bd1b83206db11f203303224d456a1d86f053 100644 (file)
--- a/gprof/i386.c
+++ b/gprof/i386.c
@@ -1,30 +1,44 @@
 /*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1983, 1993, 2001
+ *      The Regents of the University of California.  All rights reserved.
  *
- * Redistribution and use in source and binary forms are permitted
- * provided that: (1) source distributions retain this entire copyright
- * notice and comment, and (2) distributions including binaries display
- * the following acknowledgement:  ``This product includes software
- * developed by the University of California, Berkeley and its contributors''
- * in the documentation or other materials provided with the distribution
- * and in all advertising materials mentioning features or use of this
- * software. Neither the name of the University nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
  */
 #include "gprof.h"
+#include "search_list.h"
+#include "source.h"
+#include "symtab.h"
 #include "cg_arcs.h"
 #include "corefile.h"
 #include "hist.h"
-#include "symtab.h"
 
+static int i386_iscall (unsigned char *);
+void i386_find_call (Sym *, bfd_vma, bfd_vma);
 
-int
-DEFUN (i386_iscall, (ip), unsigned char *ip)
+static int
+i386_iscall (unsigned char *ip)
 {
   if (*ip == 0xe8)
     return 1;
@@ -33,50 +47,31 @@ DEFUN (i386_iscall, (ip), unsigned char *ip)
 
 
 void
-i386_find_call (parent, p_lowpc, p_highpc)
-     Sym *parent;
-     bfd_vma p_lowpc;
-     bfd_vma p_highpc;
+i386_find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc)
 {
   unsigned char *instructp;
   Sym *child;
-  bfd_vma destpc, delta;
+  bfd_vma pc, destpc;
 
-  if (core_text_space == 0)
-    {
-      return;
-    }
-  if (p_lowpc < s_lowpc)
-    {
-      p_lowpc = s_lowpc;
-    }
-  if (p_highpc > s_highpc)
-    {
-      p_highpc = s_highpc;
-    }
   DBG (CALLDEBUG, printf ("[findcall] %s: 0x%lx to 0x%lx\n",
-                         parent->name, p_lowpc, p_highpc));
-
-  delta = (bfd_vma) core_text_space - core_text_sect->vma;
+                         parent->name, (unsigned long) p_lowpc,
+                         (unsigned long) p_highpc));
 
-  for (instructp = (unsigned char *) (p_lowpc + delta);
-       instructp < (unsigned char *) (p_highpc + delta);
-       instructp ++)
+  for (pc = p_lowpc; pc < p_highpc; ++pc)
     {
+      instructp = (unsigned char *) core_text_space + pc - core_text_sect->vma;
       if (i386_iscall (instructp))
        {
          DBG (CALLDEBUG,
-              printf ("[findcall]\t0x%x:call",
-                      instructp - (unsigned char *) delta));
+              printf ("[findcall]\t0x%lx:call", (unsigned long) pc));
          /*
           *  regular pc relative addressing
-          *    check that this is the address of 
+          *    check that this is the address of
           *    a function.
           */
 
-         destpc = ((bfd_vma) bfd_get_32 (core_bfd, instructp + 1)
-                   + (bfd_vma) instructp - (bfd_vma) delta + 5);
-         if (destpc >= s_lowpc && destpc <= s_highpc)
+         destpc = bfd_get_32 (core_bfd, instructp + 1) + pc + 5;
+         if (hist_check_address (destpc))
            {
              child = sym_lookup (&symtab, destpc);
              if (child && child->addr == destpc)
@@ -85,7 +80,8 @@ i386_find_call (parent, p_lowpc, p_highpc)
                   *      a hit
                   */
                  DBG (CALLDEBUG,
-                      printf ("\tdestpc 0x%lx (%s)\n", destpc, child->name));
+                      printf ("\tdestpc 0x%lx (%s)\n",
+                              (unsigned long) destpc, child->name));
                  arc_add (parent, child, (unsigned long) 0);
                  instructp += 4;       /* call is a 5 byte instruction */
                  continue;