libdw: Allow .debug_frame only Dwarf.

.debug_frame is useful independent from the other .debug sections.

Add a simplified variant of the addrcfi testcase dwarfcfi.
dwarfcfi only uses dwarf_frame calls and no dwfl helpers.

Signed-off-by: Mark Wielaard <mark@klomp.org>

1 files changed, 133 insertions, 0 deletions

diff --git a/tests/run-dwarfcfi.sh b/tests/run-dwarfcfi.sh
new file mode 100755
index 00000000..98fa171d
--- /dev/null
+++ b/tests/run-dwarfcfi.sh
@@ -0,0 +1,133 @@
+#! /bin/sh
+# Test for dwarf_getcfi.
+# Copyright (C) 2018 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
+
+# Test files come from run-addrcfi with all sections stripped except
+# the .debug_frame.
+# for i in <testfiles>
+#   eu-strip -f $i-debugframe $i
+#   eu-strip -g --remove-comment --keep-section=.debug_frame $i-debugframe
+# done
+testfiles testfile11-debugframe testfile12-debugframe
+testfiles testfileaarch64-debugframe
+testfiles testfilearm-debugframe
+testfiles testfileppc32-debugframe
+testfiles testfileppc64-debugframe
+
+testfiles testfile11-debugframe
+testrun_compare ${abs_builddir}/dwarfcfi testfile11-debugframe 0x080489b8 <<\EOF
+0x80489b8 => [0x80489b8, 0x80489b9):
+	return address in reg8
+	CFA location expression: bregx(4,4)
+	reg0: undefined
+	reg1: undefined
+	reg2: undefined
+	reg3: same_value
+	reg4: location expression: call_frame_cfa stack_value
+	reg5: same_value
+	reg6: same_value
+	reg7: same_value
+	reg8: location expression: call_frame_cfa plus_uconst(-4)
+	reg9: undefined
+EOF
+
+testfiles testfile12-debugframe
+testrun_compare ${abs_builddir}/dwarfcfi testfile12-debugframe 0x00000000000009d0 <<\EOF
+0x9d0 => [0x9d0, 0x9d1):
+	return address in reg16
+	CFA location expression: bregx(7,8)
+	reg0: same_value
+	reg1: undefined
+	reg2: undefined
+	reg3: undefined
+	reg4: undefined
+	reg5: undefined
+	reg6: same_value
+	reg7: location expression: call_frame_cfa stack_value
+	reg8: undefined
+	reg9: undefined
+EOF
+
+testfiles testfileppc32-debugframe
+testrun_compare ${abs_builddir}/dwarfcfi testfileppc32-debugframe 0x100004c0 <<\EOF
+0x100004c0 => [0x100004c0, 0x100004d0):
+	return address in reg65
+	CFA location expression: bregx(1)
+	reg0: undefined
+	reg1: location expression: call_frame_cfa stack_value
+	reg2: same_value
+	reg3: undefined
+	reg4: undefined
+	reg5: undefined
+	reg6: undefined
+	reg7: undefined
+	reg8: undefined
+	reg9: undefined
+EOF
+
+testfiles testfileppc64-debugframe
+testrun_compare ${abs_builddir}/dwarfcfi testfileppc64-debugframe 0x00000000100005b0 <<\EOF
+0x100005b0 => [0x100005b0, 0x100005d0):
+	return address in reg65
+	CFA location expression: bregx(1)
+	reg0: undefined
+	reg1: location expression: call_frame_cfa stack_value
+	reg2: same_value
+	reg3: undefined
+	reg4: undefined
+	reg5: undefined
+	reg6: undefined
+	reg7: undefined
+	reg8: undefined
+	reg9: undefined
+EOF
+
+testfiles testfilearm-debugframe
+testrun_compare ${abs_builddir}/dwarfcfi testfilearm-debugframe 0x00008510 <<\EOF
+0x8510 => [0x8510, 0x8524):
+	return address in reg14
+	CFA location expression: bregx(13)
+	reg0: undefined
+	reg1: undefined
+	reg2: undefined
+	reg3: undefined
+	reg4: same_value
+	reg5: same_value
+	reg6: same_value
+	reg7: same_value
+	reg8: same_value
+	reg9: undefined
+EOF
+
+testfiles testfileaarch64-debugframe
+testrun_compare ${abs_builddir}/dwarfcfi testfileaarch64-debugframe 0x400550 <<\EOF
+0x400550 => [0x400550, 0x400568):
+	return address in reg30
+	CFA location expression: bregx(31)
+	reg0: undefined
+	reg1: undefined
+	reg2: undefined
+	reg3: undefined
+	reg4: undefined
+	reg5: undefined
+	reg6: undefined
+	reg7: undefined
+	reg8: undefined
+	reg9: undefined
+EOF