Changeset 609 for branches/GNU/src/binutils/gprof/vax.c

Timestamp:

Aug 16, 2003, 6:59:22 PM (22 years ago)

Author:

bird

Message:

binutils v2.14 - offical sources.

File:

• branches/GNU/src/binutils/gprof/vax.c (modified) (13 diffs, 1 prop)

branches/GNU/src/binutils/gprof/vax.c

@@ -1 +1 @@
 /*
- * Copyright (c) 1983, 2001 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"
 
     /*
@@ -42 +54 @@
 typedef enum opermodes operandenum;
 
+#if 0
+/* Here to document only.  We can't use this when cross compiling as
+   the bitfield layout might not be the same as native.  */
 struct modebyte
   {
@@ -47 +62 @@
     unsigned int modefield:4;
   };
+#endif
 
 /*
  * A symbol to be the child of indirect calls:
  */
-Sym indirectchild;
-
+static Sym indirectchild;
+
+static operandenum vax_operandmode PARAMS ((unsigned char *));
+static char *vax_operandname PARAMS ((operandenum));
+static long vax_operandlength PARAMS ((unsigned char *));
+static bfd_signed_vma vax_offset PARAMS ((unsigned char *));
+void vax_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
 
 static operandenum
 vax_operandmode (modep)
-     struct modebyte *modep;
-{
-  long usesreg = modep->regfield;
-
-  switch (modep->modefield)
+     unsigned char *modep;
+{
+  int usesreg = *modep & 0xf;
+
+  switch ((*modep >> 4) & 0xf)
     {
     case 0:
@@ -152 +173 @@
 static long
 vax_operandlength (modep)
-     struct modebyte *modep;
+     unsigned char *modep;
 {
 
@@ -182 +203 @@
       return 5;
     case indexed:
-      return 1 + vax_operandlength ((struct modebyte *) ((char *) modep) + 1);
+      return 1 + vax_operandlength (modep + 1);
     }
   /* NOTREACHED */
@@ -188 +209 @@
 }
 
-static bfd_vma
-vax_reladdr (modep)
-     struct modebyte *modep;
+static bfd_signed_vma
+vax_offset (modep)
+     unsigned char *modep;
 {
   operandenum mode = vax_operandmode (modep);
-  char *cp;
-  short *sp;
-  long *lp;
-
-  cp = (char *) modep;
-  ++cp;                         /* skip over the mode */
+
+  ++modep;                              /* skip over the mode */
   switch (mode)
     {
     default:
       fprintf (stderr, "[reladdr] not relative address\n");
-      return (bfd_vma) modep;
+      return 0;
     case byterel:
-      return (bfd_vma) (cp + sizeof *cp + *cp);
+      return 1 + bfd_get_signed_8 (core_bfd, modep);
     case wordrel:
-      sp = (short *) cp;
-      return (bfd_vma) (cp + sizeof *sp + *sp);
+      return 2 + bfd_get_signed_16 (core_bfd, modep);
     case longrel:
-      lp = (long *) cp;
-      return (bfd_vma) (cp + sizeof *lp + *lp);
+      return 4 + bfd_get_signed_32 (core_bfd, modep);
     }
 }
@@ -227 +242 @@
   operandenum mode;
   operandenum firstmode;
-  bfd_vma destpc;
-  static bool inited = FALSE;
+  bfd_vma pc, destpc;
+  static bfd_boolean inited = FALSE;
 
   if (!inited)
@@ -253 +268 @@
                           parent->name, (unsigned long) p_lowpc,
                           (unsigned long) p_highpc));
-  for (instructp = (unsigned char *) core_text_space + p_lowpc;
-       instructp < (unsigned char *) core_text_space + p_highpc;
-       instructp += length)
+  for (pc = p_lowpc; pc < p_highpc; pc += length)
     {
       length = 1;
-      if (*instructp == CALLS)
+      instructp = ((unsigned char *) core_text_space
+                   + pc - core_text_sect->vma);
+      if ((*instructp & 0xff) == CALLS)
         {
           /*
@@ -265 +280 @@
            */
           DBG (CALLDEBUG,
-               printf ("[findcall]\t0x%lx:calls",
-                       ((unsigned long)
-                        (instructp - (unsigned char *) core_text_space))));
-          firstmode = vax_operandmode ((struct modebyte *) (instructp + length));
+               printf ("[findcall]\t0x%lx:calls", (unsigned long) pc));
+          firstmode = vax_operandmode (instructp + length);
           switch (firstmode)
             {
@@ -277 +290 @@
               goto botched;
             }
-          length += vax_operandlength ((struct modebyte *) (instructp + length));
-          mode = vax_operandmode ((struct modebyte *) (instructp + length));
+          length += vax_operandlength (instructp + length);
+          mode = vax_operandmode (instructp + length);
           DBG (CALLDEBUG,
                printf ("\tfirst operand is %s", vax_operandname (firstmode));
@@ -300 +313 @@
                */
               arc_add (parent, &indirectchild, (unsigned long) 0);
-              length += vax_operandlength (
-                                  (struct modebyte *) (instructp + length));
+              length += vax_operandlength (instructp + length);
               continue;
             case byterel:
@@ -311 +323 @@
                *      a function.
                */
-              destpc = vax_reladdr ((struct modebyte *) (instructp + length))
-                - (bfd_vma) core_text_space;
+              destpc = pc + vax_offset (instructp + length);
               if (destpc >= s_lowpc && destpc <= s_highpc)
                 {
@@ -329 +340 @@
                        */
                       arc_add (parent, child, (unsigned long) 0);
-                      length += vax_operandlength ((struct modebyte *)
-                                                   (instructp + length));
+                      length += vax_operandlength (instructp + length);
                       continue;
                     }