| # Copyright 2018-2021 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| load_lib dwarf.exp |
| |
| # Test that psymbols are made when DW_AT_ranges is used. |
| |
| # This test can only be run on targets which support DWARF-2 and use gas. |
| if {![dwarf2_support]} { |
| unsupported "dwarf2 support required for this test" |
| return 0 |
| } |
| |
| if [get_compiler_info] { |
| return -1 |
| } |
| if !$gcc_compiled { |
| unsupported "gcc required for this test" |
| return 0 |
| } |
| |
| standard_testfile main.c .c -dw.S |
| |
| # We need to know the size of integer and address types in order to |
| # write some of the debugging info we'd like to generate. |
| # |
| # For that, we ask GDB by debugging our test program. Any program |
| # would do, but since we already have it specifically for this |
| # testcase, might as well use that. |
| |
| if { [prepare_for_testing "failed to prepare" ${testfile} \ |
| [list ${srcfile} ${srcfile2}]] } { |
| return -1 |
| } |
| |
| set asm_file [standard_output_file $srcfile3] |
| Dwarf::assemble $asm_file { |
| global srcdir subdir srcfile srcfile2 |
| declare_labels integer_label volatile_label func_ranges_label cu_ranges_label |
| set int_size [get_sizeof "int" 4] |
| |
| # Find start address and length for our functions. |
| set sources [list ${srcdir}/${subdir}/$srcfile ${srcdir}/${subdir}/$srcfile2] |
| |
| lassign [function_range foo $sources] \ |
| foo_start foo_len |
| set foo_end "$foo_start + $foo_len" |
| |
| lassign [function_range foo_low $sources] \ |
| foo_low_start foo_low_len |
| set foo_low_end "$foo_low_start + $foo_low_len" |
| |
| lassign [function_range bar $sources] \ |
| bar_start bar_len |
| set bar_end "$bar_start + $bar_len" |
| |
| lassign [function_range baz $sources] \ |
| baz_start baz_len |
| set baz_end "$baz_start + $baz_len" |
| |
| cu {} { |
| compile_unit { |
| {language @DW_LANG_C} |
| {name dw-ranges-psym.c} |
| {low_pc 0 addr} |
| {ranges ${cu_ranges_label} DW_FORM_sec_offset} |
| } { |
| integer_label: DW_TAG_base_type { |
| {DW_AT_byte_size $int_size DW_FORM_sdata} |
| {DW_AT_encoding @DW_ATE_signed} |
| {DW_AT_name integer} |
| } |
| volatile_label: DW_TAG_volatile_type { |
| {type :$integer_label} |
| } |
| subprogram { |
| {external 1 flag} |
| {name someothername} |
| {ranges ${func_ranges_label} DW_FORM_sec_offset} |
| } |
| subprogram { |
| {external 1 flag} |
| {name bar} |
| {low_pc $bar_start addr} |
| {high_pc $bar_len DW_FORM_data4} |
| } |
| subprogram { |
| {external 1 flag} |
| {name baz} |
| {low_pc $baz_start addr} |
| {high_pc $baz_len DW_FORM_data4} |
| } |
| } |
| } |
| |
| # Generate ranges data. |
| ranges {is_64 [is_64_target]} { |
| func_ranges_label: sequence { |
| range $foo_start $foo_end |
| range $foo_low_start $foo_low_end |
| } |
| cu_ranges_label: sequence { |
| range $foo_start $foo_end |
| range $foo_low_start $foo_low_end |
| range $bar_start $bar_end |
| range $baz_start $baz_end |
| } |
| } |
| } |
| |
| if { [build_executable "failed to prepare" ${testfile} \ |
| [list $srcfile $srcfile2 $asm_file] {nodebug}] } { |
| return -1 |
| } |
| |
| clean_restart |
| gdb_load_no_complaints $binfile |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| # "someothername" should be put into the partial symbol table, but |
| # there was a bug causing functions using DW_AT_ranges not to be. |
| # Note we use a name that is very different from the linkage name, in |
| # order to not set the breakpoint via minsyms. |
| gdb_test "break someothername" \ |
| "Breakpoint.*at.*" |