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-rw-r--r--gnu/usr.bin/binutils/gprof/sparc.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/gprof/sparc.c b/gnu/usr.bin/binutils/gprof/sparc.c
new file mode 100644
index 00000000000..b12420ae80a
--- /dev/null
+++ b/gnu/usr.bin/binutils/gprof/sparc.c
@@ -0,0 +1,84 @@
+/*
+ * 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 "core.h"
+#include "hist.h"
+#include "symtab.h"
+
+
+void
+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);
+ 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, 0);
+ continue;
+ }
+ }
+ /*
+ * Something funny going on.
+ */
+ DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));
+ }
+ }
+}