1# Copyright 2007-2020 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/>. 15load_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. 21if {![dwarf2_support]} { 22 verbose "Skipping DW_AT_ranges test." 23 return 0 24} 25 26# The .c files use __attribute__. 27if [get_compiler_info] { 28 return -1 29} 30if !$gcc_compiled { 31 verbose "Skipping DW_AT_ranges test." 32 return 0 33} 34 35standard_testfile dw2-ranges.c dw2-ranges2.c dw2-ranges3.c 36set asmfile [standard_output_file ${testfile}.s] 37set asmfile2 [standard_output_file ${testfile}2.s] 38set asmfile3 [standard_output_file ${testfile}3.s] 39set objfile [standard_output_file ${testfile}.o] 40set objfile2 [standard_output_file ${testfile}2.o] 41set objfile3 [standard_output_file ${testfile}3.o] 42 43# Generate .s without debug info but provide debug info by the assembler. 44# This way we get DW_TAG_compile_unit DIE and only that DIE. 45 46if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${asmfile}" assembly {}] != "" 47 || [gdb_compile "${asmfile}" "${objfile}" object {additional_flags=-gdwarf-2}] != "" } { 48 return -1 49} 50if {[gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${asmfile2}" assembly {}] != "" 51 || [gdb_compile "${asmfile2}" "${objfile2}" object {additional_flags=-gdwarf-2}] != "" } { 52 return -1 53} 54 55# STABS compilation is intentional as it tests the STABS lookup where is no 56# partial_symtab->psymtabs_addrmap supported for that CU (Compilation Unit) in 57# a file containing psymtabs_addrmap-supporting DWARF CUs. 58if {[gdb_compile "${srcdir}/${subdir}/${srcfile3}" "${asmfile3}" assembly {}] != "" 59 || [gdb_compile "${asmfile3}" "${objfile3}" object {additional_flags=-gstabs}] != "" } { 60 return -1 61} 62 63if {[gdb_compile "${objfile} ${objfile2} ${objfile3}" "${binfile}" executable {}] != "" } { 64 return -1 65} 66 67clean_restart ${testfile} 68 69# Test also objfile->psymtabs_addrmap relocations for -fPIE -pie builds below. 70# On some targets it may possibly fail but the program is being started only 71# for the PIE build so try it anyway. 72 73runto_main 74 75# Correct output: 76# Line 39 of "../.././gdb/testsuite/gdb.dwarf2/dw2-ranges.S" starts at address 0x4 and ends at 0x8. 77# Wrong output: 78# No line number information available for address 0x4 79 80gdb_test "info line main" "Line \[0-9\]* of .* starts at address .* and ends at .*" 81gdb_test "info line func" "Line \[0-9\]* of .* starts at address .* and ends at .*" 82gdb_test "info line main2" "Line \[0-9\]* of .* starts at address .* and ends at .*" 83gdb_test "info line func2" "Line \[0-9\]* of .* starts at address .* and ends at .*" 84 85set test "info line main3" 86gdb_test_multiple $test $test { 87 -re "Line \[0-9\]* of .* starts at address .* and ends at .*\r\n$gdb_prompt $" { 88 pass $test 89 } 90 -re "Line \[0-9\]* of .* is at address .* but contains no code\\.\r\n$gdb_prompt $" { 91 kfail symtab/12497 $test 92 } 93} 94