From 252b5132c753830d5fd56823373aed85f2a0db63 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Mon, 3 May 1999 07:29:11 +0000
Subject: 19990502 sourceware import

---
 gprof/bbconv.pl | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100755 gprof/bbconv.pl

(limited to 'gprof/bbconv.pl')

diff --git a/gprof/bbconv.pl b/gprof/bbconv.pl
new file mode 100755
index 0000000..7312f51
--- /dev/null
+++ b/gprof/bbconv.pl
@@ -0,0 +1,36 @@
+#! /usr/bin/perl
+
+# This script converts a "bb.out" file into a format
+# suitable for processing by gprof
+
+# Write a new-style gmon header
+
+print pack("A4Ix12", "gmon", 1);
+
+
+# The input file format contains header lines and data lines.
+# Header lines contain a count of how many data lines follow before
+# the next header line.  $blockcount is set to the count that
+# appears in each header line, then decremented at each data line.
+# $blockcount should always be zero at the start of a header line,
+# and should never be zero at the start of a data line.
+
+$blockcount=0;
+
+while (<>) {
+    if (/^File .*, ([0-9]+) basic blocks/) {
+	print STDERR "Miscount: line $.\n" if ($blockcount != 0);
+	$blockcount = $1;
+
+	print pack("cI", 2, $blockcount);
+    }
+    if (/Block.*executed([ 0-9]+) time.* address= 0x([0-9a-fA-F]*)/) {
+	print STDERR "Miscount: line $.\n" if ($blockcount == 0);
+	$blockcount-- if ($blockcount > 0);
+
+	$count = $1;
+	$addr = hex $2;
+
+	print pack("II",$addr,$count);
+    }
+}
-- 
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