123 lines
3 KiB
Text
123 lines
3 KiB
Text
# Copyright 2021-2022 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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# Check whether stepping out of a function works, in case:
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# - the first insn after the call has an is-stmt=no entry
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# - the next insn has an is-stmt=yes entry, for the same line number
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#
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# This sort of thing can occur in optimized code, f.i. here a slightly more
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# elaborate case with another is-stmt=no entry (the one with line number 12)
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# inbetween:
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# INDEX LINE ADDRESS IS-STMT
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# 12 13 0x00000000004003ed
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# 13 12 0x00000000004003f2
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# 14 13 0x00000000004003f4 Y
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load_lib dwarf.exp
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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 $gdb_test_file_name."
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return 0
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}
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# The .c files use __attribute__.
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if ![is_c_compiler_gcc] {
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verbose "Skipping $gdb_test_file_name."
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return 0
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}
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standard_testfile .c -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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declare_labels Llines
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global srcdir subdir srcfile
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lassign [function_range main [list ${srcdir}/${subdir}/$srcfile]] \
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main_start main_len
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set main_end "$main_start + $main_len"
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lassign [function_range main [list ${srcdir}/${subdir}/$srcfile]] \
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bar_start bar_len
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set bar_end "$bar_start + $bar_len"
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cu {} {
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compile_unit {
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{language @DW_LANG_C}
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{name $srcfile}
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{stmt_list $Llines DW_FORM_sec_offset}
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} {
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subprogram {
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{external 1 flag}
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{MACRO_AT_func {main}}
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}
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subprogram {
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{external 1 flag}
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{MACRO_AT_func {bar}}
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}
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}
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}
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lines {version 2} Llines {
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include_dir "${srcdir}/${subdir}"
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file_name "$srcfile" 1
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program {
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DW_LNE_set_address bar_label
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line 26
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DW_LNS_copy
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DW_LNE_set_address $bar_end
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DW_LNE_end_sequence
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DW_LNE_set_address main_label
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line 32
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DW_LNS_copy
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DW_LNE_set_address main_label_2
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line 36
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DW_LNS_negate_stmt
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DW_LNS_copy
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DW_LNS_negate_stmt
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DW_LNE_set_address main_label_3
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line 36
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DW_LNS_copy
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DW_LNE_set_address $main_end
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DW_LNE_end_sequence
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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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# Step into bar.
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gdb_breakpoint "bar"
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gdb_continue_to_breakpoint "bar"
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# Step out of bar.
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gdb_test "step" [multi_line \
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"main \\(\\) at \[^\r\n\]*$srcfile:36" \
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"36\t\[^\r\n\]*"]
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