19990502 sourceware importbinu_ss_19990502

1 files changed, 88 insertions, 0 deletions

diff --git a/gprof/sparc.c b/gprof/sparc.c
new file mode 100644
index 0000000..ad702b1
--- /dev/null
+++ b/gprof/sparc.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 1983 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.
+ */
+#include "gprof.h"
+#include "cg_arcs.h"
+#include "corefile.h"
+#include "hist.h"
+#include "symtab.h"
+
+    /*
+     *        opcode of the `callf' instruction
+     */
+#define	CALL	(0xc0000000)
+
+void
+sparc_find_call (parent, p_lowpc, p_highpc)
+     Sym *parent;
+     bfd_vma p_lowpc;
+     bfd_vma p_highpc;
+{
+  bfd_vma dest_pc, delta;
+  unsigned int *instr;
+  Sym *child;
+
+  delta = (bfd_vma) core_text_space - core_text_sect->vma;
+
+  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 ("[find_call] %s: 0x%lx to 0x%lx\n",
+			  parent->name, p_lowpc, p_highpc));
+  for (instr = (unsigned int *) (((p_lowpc + delta) + 3) &~ 3);
+       instr < (unsigned int *) (p_highpc + delta);
+       ++instr)
+    {
+      if ((*instr & CALL))
+	{
+	  DBG (CALLDEBUG,
+	       printf ("[find_call] 0x%lx: callf", (bfd_vma) instr - delta));
+	  /*
+	   * Regular pc relative addressing check that this is the
+	   * address of a function.
+	   */
+	  dest_pc = ((bfd_vma) (instr + (*instr & ~CALL))) - delta;
+	  if (dest_pc >= s_lowpc && dest_pc <= s_highpc)
+	    {
+	      child = sym_lookup (&symtab, dest_pc);
+	      DBG (CALLDEBUG,
+		   printf ("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n",
+			   dest_pc, child->name, child->addr));
+	      if (child->addr == dest_pc)
+		{
+		  /* a hit:  */
+		  arc_add (parent, child, (unsigned long) 0);
+		  continue;
+		}
+	    }
+	  /*
+	   * Something funny going on.
+	   */
+	  DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));
+	}
+    }
+}