442ddf5987
Recognize missing DW_AT_location as <value optimized out>. * dwarf2read.c (new_symbol <DW_TAG_variable> <!DW_AT_location> <!DW_AT_external>): Call add_symbol_to_list. gdb/testsuite/ * gdb.dwarf2/dw2-noloc-main.c: New file. * gdb.dwarf2/dw2-noloc.S: New symbols matrix. (.text): Remove. (.data): New. (DW_AT_stmt_list, .debug_line, DW_AT_frame_base): Remove. (DW_AT_low_pc, DW_AT_high_pc): Reference `dw2-noloc-main.c'. (DW_TAG_subprogram func_cu1, noloc): Remove. (main): New. * gdb.dwarf2/dw2-noloc.exp: Use prepare_for_testing, compile also `dw2-noloc-main.c'. Test the new DIEs from `dw2-noloc.S'. (file_symbols): New procedure.
132 lines
5.1 KiB
Text
132 lines
5.1 KiB
Text
# Copyright 2007, 2008, 2009 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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# This test can only be run on targets which support DWARF-2 and use gas.
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# For now pick a sampling of likely targets.
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if {![istarget *-*-linux*]
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&& ![istarget *-*-gnu*]
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&& ![istarget *-*-elf*]
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&& ![istarget *-*-openbsd*]
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&& ![istarget arm-*-eabi*]
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&& ![istarget powerpc-*-eabi*]} {
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return 0
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}
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if { [prepare_for_testing dw2-noloc.exp "dw2-noloc" {dw2-noloc-main.c dw2-noloc.S} {nodebug}] } {
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return -1
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}
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# Symbols have the form: {file,main}_loc{addr,empty,no}_{,un}resolvable
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# file: Symbol DIE is placed in DW_TAG_compile_unit.
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# main: Symbol DIE is placed in DW_TAG_subprogram.
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# locaddr: DW_AT_location is using DW_FORM_block DW_OP_addr <addr>.
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# locempty: DW_AT_location has zero DW_FORM_block size.
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# locno: DW_AT_location is not present.
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# resolvable: .symtab entry exists for this symbol name.
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# unresolvable: .symtab entry does not exist for this symbol name.
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# DW_AT_declaration is not present in any of these DIEs.
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proc file_symbols {type} {
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global pf_prefix
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set old_prefix $pf_prefix
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lappend pf_prefix "$type:"
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global gdb_prompt
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gdb_test "print file_locaddr_resolvable" "= 1234567890"
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gdb_test "ptype file_locaddr_resolvable" "type = int"
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gdb_test "print file_locaddr_unresolvable" "= 1234567890"
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gdb_test "ptype file_locaddr_unresolvable" "type = int"
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gdb_test "print file_locempty_resolvable" "= <value optimized out>"
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gdb_test "ptype file_locempty_resolvable" "type = int"
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gdb_test "print file_locempty_unresolvable" "= <value optimized out>"
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gdb_test "ptype file_locempty_unresolvable" "type = int"
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gdb_test "print file_locno_resolvable" "= <value optimized out>"
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gdb_test "ptype file_locno_resolvable" "type = int"
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gdb_test "print file_locno_unresolvable" "= <value optimized out>"
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gdb_test "ptype file_locno_unresolvable" "type = int"
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gdb_test "print file_extern_locaddr_resolvable" "= 1234567890"
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gdb_test "ptype file_extern_locaddr_resolvable" "type = int"
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gdb_test "print file_extern_locaddr_unresolvable" "= 1234567890"
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gdb_test "ptype file_extern_locaddr_unresolvable" "type = int"
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gdb_test "print file_extern_locempty_resolvable" "= <value optimized out>"
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gdb_test "ptype file_extern_locempty_resolvable" "type = int"
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gdb_test "print file_extern_locempty_unresolvable" "= <value optimized out>"
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gdb_test "ptype file_extern_locempty_unresolvable" "type = int"
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gdb_test "print file_extern_locno_resolvable" "= 1234567890"
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gdb_test "ptype file_extern_locno_resolvable" "type = int"
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# `print file_extern_locno_unresolvable' currently prints
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# Address of symbol "file_extern_locno_unresolvable" is unknown.
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# As DW_AT_declaration is not present in this DIE
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# it should print <value optimized out>. As usefulness of such DIE is not
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# clear its resolution is not being tested.
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set pf_prefix $old_prefix
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}
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file_symbols no-run
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if ![runto_main] {
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return -1
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}
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file_symbols in-main
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gdb_test "print main_local_locaddr_resolvable" "= 1234567890"
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gdb_test "ptype main_local_locaddr_resolvable" "type = int"
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gdb_test "print main_local_locaddr_unresolvable" "= 1234567890"
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gdb_test "ptype main_local_locaddr_unresolvable" "type = int"
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gdb_test "print main_local_locempty_resolvable" "= <value optimized out>"
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gdb_test "ptype main_local_locempty_resolvable" "type = int"
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gdb_test "print main_local_locempty_unresolvable" "= <value optimized out>"
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gdb_test "ptype main_local_locempty_unresolvable" "type = int"
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gdb_test "print main_local_locno_resolvable" "= <value optimized out>"
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gdb_test "ptype main_local_locno_resolvable" "type = int"
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gdb_test "print main_local_locno_unresolvable" "= <value optimized out>"
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gdb_test "ptype main_local_locno_unresolvable" "type = int"
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gdb_test "print main_extern_locaddr_resolvable" "= 1234567890"
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gdb_test "ptype main_extern_locaddr_resolvable" "type = int"
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gdb_test "print main_extern_locaddr_unresolvable" "= 1234567890"
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gdb_test "ptype main_extern_locaddr_unresolvable" "type = int"
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gdb_test "print main_extern_locempty_resolvable" "= <value optimized out>"
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gdb_test "ptype main_extern_locempty_resolvable" "type = int"
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gdb_test "print main_extern_locempty_unresolvable" "= <value optimized out>"
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gdb_test "ptype main_extern_locempty_unresolvable" "type = int"
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gdb_test "print main_extern_locno_resolvable" "= 1234567890"
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gdb_test "ptype main_extern_locno_resolvable" "type = int"
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# For `main_extern_locno_unresolvable' see `file_extern_locno_unresolvable'.
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