144 lines
4.2 KiB
Plaintext
144 lines
4.2 KiB
Plaintext
# Copyright 2015-2017 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib dwarf.exp
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# Test DW_TAG_compile_unit with no children and with neither DW_AT_low_pc nor
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# DW_AT_high_pc but with DW_AT_ranges instead.
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# This test can only be run on targets which support DWARF-2 and use gas.
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if {![dwarf2_support]} {
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verbose "Skipping DW_AT_ranges test."
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return 0
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}
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# The .c files use __attribute__.
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if [get_compiler_info] {
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return -1
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}
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if !$gcc_compiled {
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verbose "Skipping DW_AT_ranges test."
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return 0
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}
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standard_testfile dw2-ranges-base.c dw2-ranges-base-dw.S
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set asm_file [standard_output_file $srcfile2]
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Dwarf::assemble $asm_file {
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global srcdir subdir srcfile srcfile2
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declare_labels ranges_label
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declare_labels L
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# Find start address and length for our functions.
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set main_func \
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[function_range main [list ${srcdir}/${subdir}/$srcfile]]
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set frame2_func \
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[function_range frame2 [list ${srcdir}/${subdir}/$srcfile]]
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set frame3_func \
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[function_range frame3 [list ${srcdir}/${subdir}/$srcfile]]
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# Very simple info for this test program. We don't care about
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# this information being correct (w.r.t. funtion / argument types)
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# just so long as the compilation using makes use of the
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# .debug_ranges data then the test achieves its objective.
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cu {} {
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compile_unit {
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{language @DW_LANG_C}
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{name dw-ranges-base.c}
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{stmt_list $L DW_FORM_sec_offset}
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{ranges ${ranges_label} DW_FORM_sec_offset}
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} {
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subprogram {
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{external 1 flag}
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{name main}
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}
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subprogram {
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{external 1 flag}
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{name frame2}
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}
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subprogram {
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{external 1 flag}
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{name frame3}
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}
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}
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}
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lines {version 2} L {
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include_dir "${srcdir}/${subdir}"
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file_name "$srcfile" 1
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# Generate simple line table program. The line table
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# information contained here is not correct, and we really
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# don't care, just so long as each function has some line
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# table data associated with it. We do make use of the fake
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# line numbers that we pick here in the tests below.
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program {
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{DW_LNE_set_address [lindex $main_func 0]}
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{DW_LNS_advance_line 10}
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{DW_LNS_copy}
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{DW_LNS_advance_pc [lindex $main_func 1]}
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{DW_LNS_advance_line 19}
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{DW_LNS_copy}
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{DW_LNE_end_sequence}
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{DW_LNE_set_address [lindex $frame2_func 0]}
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{DW_LNS_advance_line 20}
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{DW_LNS_copy}
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{DW_LNS_advance_pc [lindex $frame2_func 1]}
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{DW_LNS_advance_line 29}
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{DW_LNS_copy}
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{DW_LNE_end_sequence}
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{DW_LNE_set_address [lindex $frame3_func 0]}
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{DW_LNS_advance_line 30}
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{DW_LNS_copy}
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{DW_LNS_advance_pc [lindex $frame3_func 1]}
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{DW_LNS_advance_line 39}
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{DW_LNS_copy}
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{DW_LNE_end_sequence}
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}
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}
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# Generate ranges data. This is the point of this whole test
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# file, we must have multiple bases specified, so we use a new
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# base for each function.
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ranges {is_64 [is_64_target]} {
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ranges_label: sequence {
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{base [lindex $main_func 0]}
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{range 0 [lindex $main_func 1]}
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{base [lindex $frame2_func 0]}
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{range 0 [lindex $frame2_func 1]}
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{base [lindex $frame3_func 0]}
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{range 0 [lindex $frame3_func 1]}
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}
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}
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}
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if { [prepare_for_testing "failed to prepare" ${testfile} \
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[list $srcfile $asm_file] {nodebug}] } {
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return -1
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}
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if ![runto_main] {
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return -1
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}
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# Make use of the line numbers we faked in the .debug_line table above.
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gdb_test "info line main" \
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"Line 11 of .* starts at address .* and ends at .*"
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gdb_test "info line frame2" \
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"Line 21 of .* starts at address .* and ends at .*"
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gdb_test "info line frame3" \
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"Line 31 of .* starts at address .* and ends at .*"
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