1# Copyright 2020-2023 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 16# Check whether .debug_ranges is correctly read in during symtab expansion. 17 18load_lib dwarf.exp 19 20# This test can only be run on targets which support DWARF-2 and use gas. 21if {![dwarf2_support]} { 22 return 0 23}; 24 25standard_testfile main.c .S 26 27set executable ${testfile} 28set asm_file [standard_output_file ${srcfile2}] 29 30# Create the DWARF. 31Dwarf::assemble $asm_file { 32 global srcdir subdir srcfile 33 34 declare_labels int_label 35 declare_labels ranges_label 36 37 set main_func \ 38 [function_range main [list ${srcdir}/${subdir}/$srcfile]] 39 40 cu {} { 41 compile_unit { 42 {language @DW_LANG_C_plus_plus} 43 {name "cu1"} 44 } { 45 DW_TAG_variable { 46 {name foo} 47 {type %$int_label} 48 {const_value 1 DW_FORM_sdata} 49 } 50 } 51 } 52 53 cu {} { 54 compile_unit { 55 {language @DW_LANG_C_plus_plus} 56 {name "cu2"} 57 {ranges ${ranges_label} sec_offset} 58 {low_pc {[lindex $main_func 0]}} 59 } { 60 int_label: base_type { 61 {byte_size 4 udata} 62 {encoding @DW_ATE_signed} 63 {name int} 64 } 65 } 66 } 67 68 ranges {is_64 [is_64_target]} { 69 ranges_label: sequence { 70 range 0 [lindex $main_func 1] 71 } 72 } 73} 74 75if { [prepare_for_testing "failed to prepare" ${testfile} \ 76 [list $srcfile $asm_file] {nodebug}] } { 77 return -1 78} 79 80# Expand cu1. This will enqueue cu2. 81gdb_test "ptype foo" "type = int" 82 83# Now check that cu2 has an address range starting at main. 84set cu2_blockvector_re \ 85 [multi_line \ 86 "Symtab for file cu2 at $hex" \ 87 "Read from object file \[^\r\n\]*" \ 88 "Language: c\\+\\+" \ 89 "" \ 90 "Blockvector:" \ 91 "" \ 92 "block #000, \[^\r\n\]* in ($hex)..$hex" \ 93 ".*"] 94gdb_test_multiple "maint print symbols -objfile $binfile" "CU addr found" { 95 -re -wrap $cu2_blockvector_re { 96 set addr $expect_out(1,string) 97 if { $addr eq "0x0" } { 98 fail "$gdb_test_name (Found 0x0)" 99 } else { 100 gdb_test "info symbol $addr" "main in section .*" \ 101 $gdb_test_name 102 } 103 } 104} 105