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# Copyright 2008, 2009, 2010 Free Software Foundation, Inc.
# This program 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.
#
# This program 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/>.
# Minimal DWARF-2 unit test
# This test can only be run on targets which support DWARF-2 and use gas.
# For now pick a sampling of likely targets.
if {![istarget *-*-linux*]
&& ![istarget *-*-gnu*]
&& ![istarget *-*-elf*]
&& ![istarget *-*-openbsd*]
&& ![istarget arm-*-eabi*]
&& ![istarget powerpc-*-eabi*]} {
return 0
}
if {![istarget "i?86-*-*"]} then {
return 0
}
set testfile "dw2-ref-missing-frame"
set srcfile ${testfile}.S
set binfile ${objdir}/${subdir}/${testfile}
# First try referencing DW_AT_frame_base which is not defined.
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list {additional_flags=-DNO_FRAME_BASE}]] != "" } {
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
runto_main
gdb_test "p var" {Could not find the frame base for "main".}
# And now try referencing DW_AT_frame_base defined using a self-reference
# (DW_OP_fbreg).
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
runto_main
gdb_test "p var" "DWARF-2 expression error: Loop detected .*"
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