Changeset 609 for branches/GNU/src/binutils/gprof/alpha.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/alpha.c (modified) (6 diffs, 1 prop)

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

@@ -1 +1 @@
 /*
- * Copyright (c) 1983, 1998 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1983, 1993, 1998
+ *      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"
 
 /*
@@ -34 +46 @@
 #define Jxx_FUNC_JSR_COROUTINE  3
 
+#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.  */
 typedef union
   {
@@ -60 +75 @@
   }
 alpha_Instruction;
+#endif
 
 static Sym indirect_child;
 
+void alpha_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
 
 /*
@@ -77 +94 @@
      bfd_vma p_highpc;
 {
-  static bfd_vma delta = 0;
-  bfd_vma dest_pc;
-  alpha_Instruction *pc;
+  bfd_vma pc, dest_pc;
+  unsigned int insn;
   Sym *child;
 
-  if (!delta)
+  if (indirect_child.name == NULL)
     {
-      delta = (bfd_vma) core_text_space - core_text_sect->vma;
-
       sym_init (&indirect_child);
       indirect_child.name = _("<indirect child>");
@@ -107 +121 @@
                           parent->name, (unsigned long) p_lowpc,
                           (unsigned long) p_highpc));
-  for (pc = (alpha_Instruction *) (p_lowpc + delta);
-       pc < (alpha_Instruction *) (p_highpc + delta);
-       ++pc)
+  for (pc = (p_lowpc + 3) & ~(bfd_vma) 3; pc < p_highpc; pc += 4)
     {
-      switch (pc->a.op_code)
+      insn = bfd_get_32 (core_bfd, ((unsigned char *) core_text_space
+                                    + pc - core_text_sect->vma));
+      switch (insn & (0x3f << 26))
         {
-        case OP_Jxx:
+        case OP_Jxx << 26:
           /*
            * There is no simple and reliable way to determine the
@@ -122 +136 @@
            * to see that there are other calls as well.
            */
-          if (pc->j.func == Jxx_FUNC_JSR
-              || pc->j.func == Jxx_FUNC_JSR_COROUTINE)
+          if ((insn & (3 << 14)) == Jxx_FUNC_JSR << 14
+              || (insn & (3 << 14)) == Jxx_FUNC_JSR_COROUTINE << 14)
             {
               DBG (CALLDEBUG,
                    printf (_("[find_call] 0x%lx: jsr%s <indirect_child>\n"),
-                           (unsigned long) pc - delta,
-                           pc->j.func == Jxx_FUNC_JSR ? "" : "_coroutine"));
+                           (unsigned long) pc,
+                           ((insn & (3 << 14)) == Jxx_FUNC_JSR << 14
+                            ? "" : "_coroutine")));
               arc_add (parent, &indirect_child, (unsigned long) 0);
             }
           break;
 
-        case OP_BSR:
+        case OP_BSR << 26:
           DBG (CALLDEBUG,
-               printf (_("[find_call] 0x%lx: bsr"),
-                       (unsigned long) pc - delta));
+               printf (_("[find_call] 0x%lx: bsr"), (unsigned long) pc));
           /*
            * Regular PC relative addressing.  Check that this is the
            * address of a function.  The linker sometimes redirects
            * the entry point by 8 bytes to skip loading the global
-           * pointer, so we all for either address:
+           * pointer, so we allow for either address:
            */
-          dest_pc = ((bfd_vma) (pc + 1 + pc->b.disp)) - delta;
+          dest_pc = pc + 4 + (((bfd_signed_vma) (insn & 0x1fffff)
+                               ^ 0x100000) - 0x100000);
           if (dest_pc >= s_lowpc && dest_pc <= s_highpc)
             {