| 1 | # Copyright 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
| 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 | load_lib dwarf.exp |
| 16 | |
| 17 | # Test DW_TAG_compile_unit with no children and with neither DW_AT_low_pc nor |
| 18 | # DW_AT_high_pc but with DW_AT_ranges instead. |
| 19 | |
| 20 | # This test can only be run on targets which support DWARF-2 and use gas. |
| 21 | if {![dwarf2_support]} { |
| 22 | verbose "Skipping DW_AT_ranges test." |
| 23 | return 0 |
| 24 | } |
| 25 | |
| 26 | # The .c files use __attribute__. |
| 27 | if [get_compiler_info unused] { |
| 28 | return -1; |
| 29 | } |
| 30 | if !$gcc_compiled { |
| 31 | verbose "Skipping DW_AT_ranges test." |
| 32 | return 0 |
| 33 | } |
| 34 | |
| 35 | set testfile "dw2-ranges" |
| 36 | set srcfile ${testfile}.c |
| 37 | set srcfile2 ${testfile}2.c |
| 38 | set srcfile3 ${testfile}3.c |
| 39 | set asmfile ${objdir}/${subdir}/${testfile}.s |
| 40 | set asmfile2 ${objdir}/${subdir}/${testfile}2.s |
| 41 | set asmfile3 ${objdir}/${subdir}/${testfile}3.s |
| 42 | set objfile ${objdir}/${subdir}/${testfile}.o |
| 43 | set objfile2 ${objdir}/${subdir}/${testfile}2.o |
| 44 | set objfile3 ${objdir}/${subdir}/${testfile}3.o |
| 45 | set binfile ${objdir}/${subdir}/${testfile} |
| 46 | |
| 47 | # Generate .s without debug info but provide debug info by the assembler. |
| 48 | # This way we get DW_TAG_compile_unit DIE and only that DIE. |
| 49 | |
| 50 | if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${asmfile}" assembly {}] != "" |
| 51 | || [gdb_compile "${asmfile}" "${objfile}" object {additional_flags=-gdwarf-2}] != "" } { |
| 52 | return -1 |
| 53 | } |
| 54 | if {[gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${asmfile2}" assembly {}] != "" |
| 55 | || [gdb_compile "${asmfile2}" "${objfile2}" object {additional_flags=-gdwarf-2}] != "" } { |
| 56 | return -1 |
| 57 | } |
| 58 | |
| 59 | # STABS compilation is intentional as it tests the STABS lookup where is no |
| 60 | # partial_symtab->psymtabs_addrmap supported for that CU (Compilation Unit) in |
| 61 | # a file containing psymtabs_addrmap-supporting DWARF CUs. |
| 62 | if {[gdb_compile "${srcdir}/${subdir}/${srcfile3}" "${asmfile3}" assembly {}] != "" |
| 63 | || [gdb_compile "${asmfile3}" "${objfile3}" object {additional_flags=-gstabs}] != "" } { |
| 64 | return -1 |
| 65 | } |
| 66 | |
| 67 | if {[gdb_compile "${objfile} ${objfile2} ${objfile3}" "${binfile}" executable {}] != "" } { |
| 68 | return -1 |
| 69 | } |
| 70 | |
| 71 | clean_restart ${testfile} |
| 72 | |
| 73 | # Test also objfile->psymtabs_addrmap relocations for -fPIE -pie builds below. |
| 74 | # On some targets it may possibly fail but the program is being started only |
| 75 | # for the PIE build so try it anyway. |
| 76 | |
| 77 | runto_main |
| 78 | |
| 79 | # Correct output: |
| 80 | # Line 39 of "../.././gdb/testsuite/gdb.dwarf2/dw2-ranges.S" starts at address 0x4 and ends at 0x8. |
| 81 | # Wrong output: |
| 82 | # No line number information available for address 0x4 |
| 83 | |
| 84 | gdb_test "info line main" "Line \[0-9\]* of .* starts at address .* and ends at .*" |
| 85 | gdb_test "info line func" "Line \[0-9\]* of .* starts at address .* and ends at .*" |
| 86 | gdb_test "info line main2" "Line \[0-9\]* of .* starts at address .* and ends at .*" |
| 87 | gdb_test "info line func2" "Line \[0-9\]* of .* starts at address .* and ends at .*" |
| 88 | |
| 89 | set test "info line main3" |
| 90 | gdb_test_multiple $test $test { |
| 91 | -re "Line \[0-9\]* of .* starts at address .* and ends at .*\r\n$gdb_prompt $" { |
| 92 | pass $test |
| 93 | } |
| 94 | -re "Line \[0-9\]* of .* is at address .* but contains no code\\.\r\n$gdb_prompt $" { |
| 95 | kfail symtab/12497 $test |
| 96 | } |
| 97 | } |