80 lines
2.2 KiB
Text
80 lines
2.2 KiB
Text
# Copyright 2014-2016 Free Software Foundation, Inc.
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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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# Test that GDB determines the frame's language based on the comp
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# unit's language, even if the file has an unknown file extension,
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# such as ".txt".
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load_lib dwarf.exp
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# This test can only be run on targets which support DWARF-2 and use
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# gas.
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if {![dwarf2_support]} {
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return 0
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}
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standard_testfile .c comp-unit-lang.S
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# Assemble the DWARF using CU_LANG as compilation unit's language.
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# Run to a function in that compilation unit and check that GDB
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# figures out that the language is GDB_LANG.
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proc do_test {cu_lang gdb_lang} {
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global testfile srcfile srcfile2
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# Make some DWARF for the test.
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set asm_file [standard_output_file $srcfile2]
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Dwarf::assemble $asm_file {
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upvar cu_lang cu_lang
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# Creating a CU with 4-byte addresses lets this test link on
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# both 32- and 64-bit machines.
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cu { addr_size 4 } {
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extern func_start func_end
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compile_unit {
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{name file1.txt}
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{language @$cu_lang}
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{low_pc func_start addr}
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{high_pc func_end addr}
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} {
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subprogram {
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{external 1 flag}
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{name func}
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{low_pc func_start addr}
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{high_pc func_end addr}
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} {
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}
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}
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}
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}
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if { [prepare_for_testing "failed to prepare" ${testfile} \
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[list $srcfile $asm_file] {nodebug}] } {
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return -1
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}
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if ![runto func] {
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return -1
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}
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gdb_test "show language" "\"auto; currently $gdb_lang\".*"
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}
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# Some paths in the debugger fall back to C. Check C++ as well to
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# make sure the test doesn't happen to work because of such a
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# fallback.
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do_test DW_LANG_C "c"
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do_test DW_LANG_C_plus_plus "c\\+\\+"
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