From Eric Wing, XCode project files.

Xcode/Misc/osegs.pl

@@ -0,0 +1,51 @@
+#!/usr/bin/perl
+
+die "Usage: $0 file\n" unless @ARGV;
+open(OTOOL, "otool -l $ARGV[0]|") || die "Can't run otool\n";
+
+$cmd      = 0;
+$name     = "";
+$segstart = 0;
+$segend   = 0;
+$ostart   = 0xffffffff;
+$oend     = 0;
+
+while(<OTOOL>) {
+	chop;
+	if(/^Load *command /) {
+		$cmd = 1;
+		next;
+	}
+	next unless $cmd != 0;
+	if(/^ *cmd  *(.*)/ && $cmd == 1) {
+		if($1 eq "LC_SEGMENT") {
+			$cmd = 2;
+		} else {
+			$cmd = 0;
+		}
+		next;
+	}
+	if(/^ *segname  *(.*)/ && $cmd == 2) {
+		$name = $1;
+		next;
+	}
+	if(/^ *vmaddr  *(.*)/ && $cmd == 2) {
+		$segstart = hex $1;
+		next;
+	}
+	if(/^ *vmsize  *(.*)/ && $cmd == 2) {
+		$len    = hex $1;
+		$segend = $segstart + $len;
+		printf("Segment $name, %x - %x\n", $segstart, $segend);
+		$ostart = $segstart if $segstart < $ostart;
+		$oend = $segend if $segend > $oend;
+		$cmd = 0;
+	}
+}
+
+close OTOOL;
+$len = $oend - $ostart;
+printf("Image from %x to %x (length %x)\n", $ostart, $oend, $len);
+
+exit 0
+