readelf: Display raw .debug_aranges. Use libdw only for decodedaranges.
Display "raw" .debug_aranges by default. Only use libdw parsing when
--debug-dump=decodedaranges is given.
Signed-off-by: Mark Wielaard <mjw@redhat.com>
diff --git a/tests/run-readelf-aranges.sh b/tests/run-readelf-aranges.sh
new file mode 100755
index 0000000..a610fca
--- /dev/null
+++ b/tests/run-readelf-aranges.sh
@@ -0,0 +1,161 @@
+#! /bin/sh
+# Copyright (C) 2013 Red Hat, Inc.
+# This file is part of elfutils.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# elfutils is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+. $srcdir/test-subr.sh
+
+# Tests readelf --debug-dump=aranges and --debug-dump=decodedaranges
+#
+# - foobarbaz.h
+#
+# int bar ();
+# int baz (int i);
+#
+# - bar.c
+#
+# #include "foobarbaz.h"
+#
+# static int bi;
+#
+# static int
+# barbaz (int i)
+# {
+# return i * 2 - 1;
+# }
+#
+# __attribute__ ((constructor)) void
+# nobar ()
+# {
+# bi = 1;
+# }
+#
+# int
+# bar ()
+# {
+# bi++;
+# return barbaz (bi);
+# }
+#
+# - foo.c
+#
+# include "foobarbaz.h"
+#
+# static int fi = 0;
+#
+# static int
+# foo (int i, int j)
+# {
+# if (i > j)
+# return i - j + fi;
+# else
+# return (2 * j) - i + fi;
+# }
+#
+# int
+# main (int argc, char **argv)
+# {
+# int a = bar ();
+# int b = baz (a + argc);
+# int r = foo (a, b) - 1;
+#
+# return r - 48;
+# }
+#
+# - baz.c
+# include "foobarbaz.h"
+#
+# static int bj;
+#
+# static int
+# bazbaz (int j)
+# {
+# return bj * j - bar ();
+# }
+#
+# __attribute__ ((constructor)) void
+# nobaz ()
+# {
+# bj = 1;
+# }
+#
+# int
+# baz (int i)
+# {
+# if (i < 0)
+# return bazbaz (i);
+# else
+# {
+# while (i-- > 0)
+# bj += bar ();
+# }
+# return bazbaz (i);
+# }
+#
+# gcc -g -O2 -m32 -c baz.c
+# gcc -g -O2 -m32 -c bar.c
+# gcc -g -O2 -m32 -c foo.c
+# gcc -g -O2 -m32 -o testfilefoobarbaz foo.o bar.o baz.o
+
+testfiles testfilefoobarbaz
+
+testrun_compare ../src/readelf --debug-dump=aranges testfilefoobarbaz <<EOF
+
+DWARF section [27] '.debug_aranges' at offset 0x1044:
+
+Table at offset 0:
+
+ Length: 28
+ DWARF version: 2
+ CU offset: 0
+ Address size: 4
+ Segment size: 0
+
+ 0x080482f0 <main>..0x08048323 <main+0x33>
+
+Table at offset 32:
+
+ Length: 36
+ DWARF version: 2
+ CU offset: 136
+ Address size: 4
+ Segment size: 0
+
+ 0x08048440 <bar>..0x08048451 <bar+0x11>
+ 0x08048330 <nobar>..0x0804833a <nobar+0xa>
+
+Table at offset 72:
+
+ Length: 36
+ DWARF version: 2
+ CU offset: 1d1
+ Address size: 4
+ Segment size: 0
+
+ 0x08048460 <baz>..0x080484bb <baz+0x5b>
+ 0x08048340 <nobaz>..0x0804834a <nobaz+0xa>
+EOF
+
+testrun_compare ../src/readelf --debug-dump=decodedaranges testfilefoobarbaz <<\EOF
+
+DWARF section [27] '.debug_aranges' at offset 0x1044 contains 5 entries:
+ [0] start: 0x080482f0, length: 52, CU DIE offset: 11
+ [1] start: 0x08048330, length: 11, CU DIE offset: 321
+ [2] start: 0x08048340, length: 11, CU DIE offset: 476
+ [3] start: 0x08048440, length: 18, CU DIE offset: 321
+ [4] start: 0x08048460, length: 92, CU DIE offset: 476
+EOF
+
+exit 0