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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
142 lines
3.8 KiB
Plaintext
142 lines
3.8 KiB
Plaintext
# 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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load_lib dwarf.exp
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# Check psymtabs addrmaps generated from DW_AT_ranges of functions.
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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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unsupported "dwarf2 support required for this test"
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return 0
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}
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standard_testfile -main.c .c -dw.S
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# We need to know the size of integer and address types in order to
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# write some of the debugging info we'd like to generate.
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#
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# For that, we ask GDB by debugging our test program. Any program
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# would do, but since we already have it specifically for this
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# testcase, might as well use that.
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if { [prepare_for_testing "failed to prepare" ${testfile} \
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[list ${srcfile} ${srcfile2}]] } {
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return -1
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}
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set asm_file [standard_output_file $srcfile3]
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Dwarf::assemble $asm_file {
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global srcdir subdir srcfile srcfile2
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declare_labels integer_label func_ranges_label
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set int_size [get_sizeof "int" 4]
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# Find start address and length for our functions.
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set sources [list ${srcdir}/${subdir}/$srcfile ${srcdir}/${subdir}/$srcfile2]
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lassign [function_range foo $sources] \
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foo_start foo_len
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set foo_end "$foo_start + $foo_len"
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lassign [function_range foo_low $sources] \
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foo_low_start foo_low_len
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set foo_low_end "$foo_low_start + $foo_low_len"
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lassign [function_range bar $sources] \
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bar_start bar_len
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set bar_end "$bar_start + $bar_len"
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lassign [function_range baz $sources] \
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baz_start baz_len
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set baz_end "$baz_start + $baz_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 dw-ranges-psym.c}
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{low_pc 0 addr}
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} {
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integer_label: DW_TAG_base_type {
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{DW_AT_byte_size $int_size DW_FORM_sdata}
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{DW_AT_encoding @DW_ATE_signed}
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{DW_AT_name integer}
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}
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subprogram {
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{external 1 flag}
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{name foo}
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{ranges ${func_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 bar}
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{low_pc $bar_start addr}
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{high_pc $bar_len DW_FORM_data4}
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}
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subprogram {
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{external 1 flag}
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{name baz}
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{low_pc $baz_start addr}
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{high_pc $baz_len DW_FORM_data4}
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}
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}
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}
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# Generate ranges data. Create a hole at $foo_low_start + 1" .. $foo_low_end.
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ranges {is_64 [is_64_target]} {
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func_ranges_label: sequence {
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range $foo_start $foo_end
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range $foo_low_start "$foo_low_start + 1"
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#range "$foo_low_start + 1" $foo_low_end
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}
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}
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}
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if { [build_executable "failed to prepare" ${testfile} \
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[list $srcfile $srcfile2 $asm_file] {nodebug}] } {
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return -1
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}
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clean_restart
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gdb_load_no_complaints $binfile
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if ![runto_main] {
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return -1
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}
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# Generate backtrace from baz, that visits the hole in the addrmap. If
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# the hole is there in the symbol table, but not the partial symbol table,
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# we run into:
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# (gdb) bt
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# warning: (Internal error: pc 0x555555554619 in read in psymtab, \
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# but not in symtab.)
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# ...
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# (gdb)
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gdb_test "break baz" \
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"Breakpoint.*at.*"
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gdb_test "continue"
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set re "warning: \\(Internal error: pc $hex in read in psymtab, but not in symtab\\.\\)"
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gdb_test_multiple "bt" "" {
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-re -wrap "$re.*" {
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fail $gdb_test_name
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}
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-re -wrap "" {
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pass $gdb_test_name
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}
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}
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