2010-01-01 07:32:07 +00:00
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# Copyright 2008, 2009, 2010 Free Software Foundation, Inc.
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2008-06-05 18:37:17 +00:00
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Minimal DWARF-2 unit test
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# This test can only be run on targets which support DWARF-2 and use gas.
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# For now pick a sampling of likely targets.
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if {![istarget *-*-linux*]
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&& ![istarget *-*-gnu*]
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&& ![istarget *-*-elf*]
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&& ![istarget *-*-openbsd*]
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&& ![istarget arm-*-eabi*]
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&& ![istarget powerpc-*-eabi*]} {
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return 0
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}
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if {![istarget "i?86-*-*"]} then {
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return 0
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}
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set testfile "dw2-ref-missing-frame"
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set srcfile ${testfile}.S
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set binfile ${objdir}/${subdir}/${testfile}
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# First try referencing DW_AT_frame_base which is not defined.
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list {additional_flags=-DNO_FRAME_BASE}]] != "" } {
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return -1
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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runto_main
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gdb_test "p var" {Could not find the frame base for "main".}
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# And now try referencing DW_AT_frame_base defined using a self-reference
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# (DW_OP_fbreg).
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
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return -1
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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runto_main
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gdb_test "p var" "DWARF-2 expression error: Loop detected .*"
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