projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 61baf725 | 1 | # Copyright 2014-2017 Free Software Foundation, Inc. |
| 40e3ad0e PA |
2 | |
| 3 | # This program is free software; you can redistribute it and/or modify | |
| 4 | # it under the terms of the GNU General Public License as published by | |
| 5 | # the Free Software Foundation; either version 3 of the License, or | |
| 6 | # (at your option) any later version. | |
| 7 | # | |
| 8 | # This program is distributed in the hope that it will be useful, | |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 11 | # GNU General Public License for more details. | |
| 12 | # | |
| 13 | # You should have received a copy of the GNU General Public License | |
| 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 15 | ||
| 16 | # Test that GDB determines the frame's language based on the comp | |
| 17 | # unit's language, even if the file has an unknown file extension, | |
| 18 | # such as ".txt". | |
| 19 | ||
| 20 | load_lib dwarf.exp | |
| 21 | ||
| 22 | # This test can only be run on targets which support DWARF-2 and use | |
| 23 | # gas. | |
| 24 | if {![dwarf2_support]} { | |
| 25 | return 0 | |
| 26 | } | |
| 27 | ||
| 28 | standard_testfile .c comp-unit-lang.S | |
| 29 | ||
| 30 | # Assemble the DWARF using CU_LANG as compilation unit's language. | |
| 31 | # Run to a function in that compilation unit and check that GDB | |
| 32 | # figures out that the language is GDB_LANG. | |
| 33 | ||
| 34 | proc do_test {cu_lang gdb_lang} { | |
| 35 | global testfile srcfile srcfile2 | |
| 36 | ||
| 37 | # Make some DWARF for the test. | |
| 38 | set asm_file [standard_output_file $srcfile2] | |
| 39 | Dwarf::assemble $asm_file { | |
| 40 | upvar cu_lang cu_lang | |
| 41 | ||
| 42 | # Creating a CU with 4-byte addresses lets this test link on | |
| 43 | # both 32- and 64-bit machines. | |
| 44 | cu { addr_size 4 } { | |
| 45 | extern func_start func_end | |
| 46 | ||
| 47 | compile_unit { | |
| 48 | {name file1.txt} | |
| 49 | {language @$cu_lang} | |
| 50 | {low_pc func_start addr} | |
| 51 | {high_pc func_end addr} | |
| 52 | } { | |
| 53 | subprogram { | |
| 54 | {external 1 flag} | |
| 55 | {name func} | |
| 56 | {low_pc func_start addr} | |
| 57 | {high_pc func_end addr} | |
| 58 | } { | |
| 59 | } | |
| 60 | } | |
| 61 | } | |
| 62 | } | |
| 63 | ||
| 64 | if { [prepare_for_testing "failed to prepare" ${testfile} \ | |
| 65 | [list $srcfile $asm_file] {nodebug}] } { | |
| 66 | return -1 | |
| 67 | } | |
| 68 | ||
| 69 | if ![runto func] { | |
| 70 | return -1 | |
| 71 | } | |
| 72 | ||
| 73 | gdb_test "show language" "\"auto; currently $gdb_lang\".*" | |
| 74 | } | |
| 75 | ||
| 76 | # Some paths in the debugger fall back to C. Check C++ as well to | |
| 77 | # make sure the test doesn't happen to work because of such a | |
| 78 | # fallback. | |
| 79 | do_test DW_LANG_C "c" | |
| 80 | do_test DW_LANG_C_plus_plus "c\\+\\+" |