mirror of
https://github.com/bminor/binutils-gdb.git
synced 2025-12-26 01:07:52 +00:00
1d506c26d9
This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
518 lines
18 KiB
Plaintext
518 lines
18 KiB
Plaintext
# Copyright 1998-2024 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 file was written by Elena Zannoni (ezannoni@cygnus.com)
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# this file tests maintenance commands and help on those.
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# source file used is break.c
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#maintenance check-psymtabs -- Check consistency of psymtabs vs symtabs
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#maintenance check-symtabs -- Check consistency of symtabs
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#maintenance expand-symtabs -- Expand symtabs matching a file regexp
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#maintenance set -- Set GDB internal variables used by the GDB maintainer
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#maintenance show -- Show GDB internal variables used by the GDB maintainer
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#maintenance dump-me -- Get fatal error; make debugger dump its core
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#maintenance print -- Maintenance command for printing GDB internal state
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#maintenance info -- Commands for showing internal info about the program being debugged
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#maintenance internal-error -- Give GDB an internal error.
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#
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#maintenance print dummy-frames -- Print the dummy frame stack
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#maintenance print statistics -- Print statistics about internal gdb state
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#maintenance print objfiles -- Print dump of current object file definitions
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#maintenance print psymbols -- Print dump of current partial symbol definitions
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#maintenance print msymbols -- Print dump of current minimal symbol definitions
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#maintenance print symbols -- Print dump of current symbol definitions
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#maintenance print type -- Print a type chain for a given symbol
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#maintenance print unwind -- Print unwind table entry at given address
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#
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#
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#maintenance info breakpoints -- Status of all breakpoints
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#
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standard_testfile break.c break1.c
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if {[prepare_for_testing "failed to prepare" $testfile \
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[list $srcfile $srcfile2] {debug nowarnings}]} {
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return -1
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}
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set readnow_p [readnow]
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# The commands we test here produce many lines of output; disable "press
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# <return> to continue" prompts.
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gdb_test_no_output "set height 0"
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# Tests that require that no program is running
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gdb_file_cmd ${binfile}
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# Test for a regression where this command would internal-error if the
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# program wasn't running. If there's a lot of registers then this
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# might overflow expect's buffers, so process the output line at a
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# time.
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set saw_registers 0
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set saw_headers 0
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set test "maint print registers"
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gdb_test_multiple $test $test {
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-re "\[^\r\n\]+Name\[^\r\n\]+Nr\[^\r\n\]+Rel\[^\r\n\]+Offset\[^\r\n\]+Size\[^\r\n\]+Type\[^\r\n\]+\r\n" {
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set saw_headers 1
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exp_continue
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}
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-re "^\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\r\n" {
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set saw_registers 1
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exp_continue
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}
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-re "^\\*\[0-9\]+\[^\r\n\]+\r\n" {
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exp_continue
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}
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-re "$gdb_prompt $" {
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gdb_assert { $saw_registers && $saw_headers } $test
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}
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}
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# Test "mt expand-symtabs" here as it's easier to verify before we
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# run the program.
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gdb_test_no_output "mt set per on" "mt set per on for expand-symtabs"
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gdb_test_multiple "mt expand-symtabs $subdir/break\[.\]c$" \
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"mt expand-symtabs" {
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-re "#compunits: (1|2) \\(\[+\](0|1|2)\\),.*$gdb_prompt $" {
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# This should expand at most two primary symtabs.
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# "Normally" it will not expand any, because the symtab
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# holding "main" will already have been expanded, but if the
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# file is compiled with -fdebug-types-section then a second primary
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# symtab for break.c will be created for any types.
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pass "$gdb_test_name"
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}
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-re "#compunits: ($decimal) \\(\[+\]0\\),.*$gdb_prompt $" {
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if { $readnow_p } {
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pass "$gdb_test_name"
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} else {
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fail "$gdb_test_name"
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}
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}
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}
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gdb_test "mt set per off" ".*" "mt set per off for expand-symtabs"
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# Tests that can or should be done with a running program
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gdb_load ${binfile}
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if {![runto_main]} {
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return
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}
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# If we're using .gdb_index or .debug_names there will be no psymtabs.
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set have_gdb_index [ exec_has_index_section ${binfile} ]
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# There also won't be any psymtabs if we read the index from the index cache.
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# We can detect this by looking if the index-cache is enabled and if the number
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# of cache misses is 0.
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set index_cache_misses -1
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gdb_test_multiple "show index-cache stats" "check index cache stats" {
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-re ".*Cache misses \\(this session\\): (\\d+)\r\n.*$gdb_prompt $" {
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set index_cache_misses $expect_out(1,string)
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}
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}
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set using_index_cache 0
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gdb_test_multiple "show index-cache enabled" "check index cache status" {
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-re ".*is off.\r\n$gdb_prompt $" {
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set using_index_cache 0
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}
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-re ".*is on.\r\n$gdb_prompt $" {
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set using_index_cache 1
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}
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}
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if { $index_cache_misses == 0 && $using_index_cache } {
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set have_gdb_index 1
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}
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set have_psyms [expr ! ( $have_gdb_index || $readnow_p )]
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#
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# this command does not produce any output
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# unless there is some problem with the symtabs and psymtabs
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# so that branch will really never be covered in this tests here!!
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#
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# When there is a problem, there may be loads of output, which can
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# overwhelm the expect buffer. Splitting it seems to fix those
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# issues.
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set seen_command false
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gdb_test_multiple "maint check-psymtabs" "" {
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-re "^maint check-psymtabs\r\n" {
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set seen_command true
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exp_continue
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}
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-re "^$gdb_prompt $" {
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gdb_assert { $seen_command } $gdb_test_name
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}
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-re "^\[^\r\n\]+\r\n" {
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exp_continue
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}
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}
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# This command does not produce any output unless there is some problem
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# with the symtabs, so that branch will really never be covered in the
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# tests here!!
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gdb_test_no_output "maint check-symtabs"
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# Test per-command stats.
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gdb_test_no_output "maint set per-command on"
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set decimal "\[0-9\]+"
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set time_fmt "${decimal}-${decimal}-${decimal} ${decimal}:${decimal}:${decimal}\\.${decimal}"
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gdb_test "pwd" \
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"${time_fmt} - command started\r\n.*\r\n${time_fmt} - command finished\r\nCommand execution time: \[0-9.\]+ \\(cpu\\), \[0-9.\]+ \\(wall\\)\[\r\n\]+Space used: $decimal \\(\\+$decimal for this command\\)\[\r\n\]+#symtabs: $decimal \\(\\+$decimal\\), #compunits: $decimal \\(\\+$decimal\\), #blocks: $decimal \\(\\+$decimal\\)"
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gdb_test "maint set per-command off" \
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"${time_fmt} - command started"
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# The timeout value is raised, because printing all the symbols and
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# statistical information about Cygwin and Windows libraries takes a lot
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# of time.
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if [istarget "*-*-cygwin*"] {
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set oldtimeout $timeout
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set timeout [expr $timeout + 500]
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}
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set re \
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[list \
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"Statistics for\[^\n\r\]*maint\[^\n\r\]*:" \
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" Number of \"minimal\" symbols read: $decimal" \
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" Number of \"full\" symbols read: $decimal" \
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" Number of \"types\" defined: $decimal" \
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" Number of symbol tables: $decimal" \
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" Number of symbol tables with line tables: $decimal" \
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" Number of symbol tables with blockvectors: $decimal" \
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"( Number of \"partial\" symbols read: $decimal" \
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")?( Number of psym tables \\(not yet expanded\\): $decimal" \
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")?( Total memory used for psymbol cache: $decimal" \
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")?( Number of read CUs: $decimal" \
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" Number of unread CUs: $decimal" \
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")? Total memory used for objfile obstack: $decimal" \
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" Total memory used for BFD obstack: $decimal" \
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" Total memory used for string cache: $decimal" \
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""]
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set re [multi_line {*}$re]
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gdb_test_lines "maint print statistics" "" $re
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# There aren't any ...
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gdb_test_no_output "maint print dummy-frames"
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# To avoid timeouts, we avoid expects with many .* patterns that match
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# many lines. Instead, we keep track of which milestones we've seen
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# in the output, and stop when we've seen all of them.
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set header 0
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set psymtabs 0
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set cooked_index 0
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set symtabs 0
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set cmd "maint print objfiles"
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set re "maint"
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gdb_test_multiple "$cmd $re" "$cmd" -lbl {
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-re "\r\nObject file.*maint($EXEEXT)?: Objfile at ${hex}" {
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set header 1
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exp_continue
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}
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-re "\r\nCooked index" {
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set cooked_index 1
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exp_continue
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}
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-re "\r\nPsymtabs:\[\r\t \]+" {
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set psymtabs 1
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exp_continue
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}
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-re "\r\nSymtabs:\[\r\t \]+\n" {
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set symtabs 1
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exp_continue
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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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proc maint_pass_if {val name} {
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if $val { pass $name } else { fail $name }
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}
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maint_pass_if $header "maint print objfiles: header"
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if {$cooked_index} {
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set have_psyms 0
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}
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if { $have_psyms } {
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maint_pass_if $psymtabs "maint print objfiles: psymtabs"
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}
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maint_pass_if $symtabs "maint print objfiles: symtabs"
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if { $have_psyms } {
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set psymbols_output [standard_output_file psymbols_output]
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set psymbols_output_re [string_to_regexp $psymbols_output]
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set test_list [list \
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"maint print psymbols -source" \
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"maint print psymbols -source ${srcdir}/${subdir}/${srcfile} $psymbols_output" \
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"maint print psymbols -pc" \
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"maint print psymbols -pc main $psymbols_output"]
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foreach { test_name command } $test_list {
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gdb_test_no_output "$command" "collecting data for $test_name"
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gdb_test_multiple "shell grep 'main.*function' $psymbols_output" "" {
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-re -wrap ".main., function, $hex.*" {
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pass "$test_name (pattern 1)"
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}
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-re -wrap ".*main. .., function, $hex.*" {
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pass "$test_name (pattern 2)"
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}
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}
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gdb_test "shell rm -f $psymbols_output" ".*" \
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"${test_name}: shell rm -f psymbols_output"
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}
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}
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set msymbols_output [standard_output_file msymbols_output]
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set msymbols_output_re [string_to_regexp $msymbols_output]
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gdb_test_no_output "maint print msymbols -objfile ${binfile} $msymbols_output" \
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"print msymbols to file, with absolute path"
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gdb_test "shell grep factorial $msymbols_output" \
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"\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
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"maint print msymbols, absolute pathname"
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gdb_test "shell rm -f $msymbols_output" ".*" "remove absolute path msymbols"
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# Check that maint print msymbols allows relative pathnames
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set mydir [pwd]
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gdb_test "cd [standard_output_file {}]" \
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"Working directory .*\..*" \
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"cd to objdir"
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gdb_test_no_output "maint print msymbols -objfile ${testfile} $msymbols_output"\
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"print msymbols to file, with relative path"
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gdb_test "shell grep factorial $msymbols_output" \
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"\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
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"maint print msymbols, relative pathname"
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gdb_test "shell rm -f msymbols_output" ".*" "remove relative path msymbols"
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gdb_test "cd ${mydir}" \
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"Working directory [string_to_regexp ${mydir}]\..*" \
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"cd to mydir"
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# Request symbols for one particular source file so that we don't try to
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# dump the symbol information for the entire C library - over 500MB nowadays
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# for GNU libc.
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set symbols_output [standard_output_file symbols_output]
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set symbols_output_re [string_to_regexp $symbols_output]
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set test_list [list \
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"maint print symbols -source" \
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"maint print symbols -source ${srcdir}/${subdir}/${srcfile} $symbols_output" \
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"maint print symbols -pc" \
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"maint print symbols -pc main $symbols_output"]
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foreach { test_name command } $test_list {
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gdb_test_no_output "$command" "$test_name generate"
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gdb_test "shell grep 'main(.*block' $symbols_output"\
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"int main\\(int, char \\*\\*, char \\*\\*\\); block.*"\
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"$test_name read"
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gdb_test "shell rm -f $symbols_output" ".*" \
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"$test_name: shell rm -f symbols_output"
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}
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set msg "maint print type"
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gdb_test_multiple "maint print type argc" $msg {
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-re "type node $hex\r\nname .int. \\($hex\\)\r\ncode $hex \\(TYPE_CODE_INT\\)\r\nlength \[24\]\r\nobjfile $hex\r\ntarget_type $hex\r\npointer_type $hex\r\nreference_type $hex\r\ntype_chain $hex\r\ninstance_flags $hex\r\nflags\r\nnfields 0 $hex\r\n$gdb_prompt $" {
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pass $msg
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}
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}
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if [istarget "hppa*-*-11*"] {
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setup_xfail hppa*-*-*11* CLLbs14860
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gdb_test_multiple "maint print unwind &main" "maint print unwind" {
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-re ".*unwind_table_entry \\($hex\\):\r\n\tregion_start = $hex <main>\r\n\tregion_end = $hex <main\\+\[0-9\]*>\r\n\tflags = Args_stored Save_RP\r\n\tRegion_description = $hex\r\n\tEntry_FR = $hex\r\n\tEntry_GR = $hex\r\n\tTotal_frame_size = $hex\r\n$gdb_prompt $" {
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pass "maint print unwind"
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}
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-re ".*unwind_table_entry \\($hex\\):\r\n\tregion_start = $hex <main>\r\n\tregion_end = $hex <main\\+\[0-9\]*>\r\n\tflags = Args_stored Save_RP\r\n\tFLD = $hex\r\n\tFLD = $hex\r\n\tFLD = $hex\r\n\tFLD = $hex\r\n$gdb_prompt $" {
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xfail "maint print unwind"
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}
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}
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}
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set oldtimeout $timeout
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set timeout [expr $timeout + 300]
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set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
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gdb_test_multiple "maint info breakpoints" "maint info breakpoints" {
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-re "Num\[ \t\]+Type\[ \t\]+Disp\[ \t\]+Enb\[ \t\]+Address\[ \t\]+What\r\n1\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+$hex\[ \t\]+in main at.*break.c:$bp_location6 inf 1\r\n\[ \t\]+breakpoint already hit 1 time\r\n.*$gdb_prompt $" {
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pass "maint info breakpoints"
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}
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-re "Num\[ \t\]+Type\[ \t\]+Disp\[ \t\]+Enb\[ \t\]+Address\[ \t\]+What\r\n1\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+$hex in main at.*break.c:$bp_location6 sspace 1\r\n\[ \t\]+breakpoint already hit 1 time\r\n-1\[ \t\]+shlib events\[ \t\]+keep\[ \t\]+y\[ \t\]+$hex.*breakpoint already hit.*$gdb_prompt $" {
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pass "maint info breakpoints (with shlib events)"
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}
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}
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gdb_test "maint print" \
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"List.*unambiguous\\..*" \
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"maint print w/o args"
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gdb_test "maint info" \
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"List.*unambiguous\\..*" \
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"maint info w/o args"
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gdb_test "maint" \
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"List.*unambiguous\\..*" \
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"maint w/o args"
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# Test that "main info line-table" w/o a file name shows the symtab for
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# $srcfile.
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set saw_srcfile 0
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gdb_test_multiple "maint info line-table" \
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"maint info line-table w/o a file name" {
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-re "symtab: \[^\n\r\]+${srcfile} \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+REL-ADDRESS\[ \t\]+UNREL-ADDRESS\[^\r\n\]*\r\n" {
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set saw_srcfile 1
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exp_continue
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}
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-re "symtab: \[^\n\r\]+ \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+REL-ADDRESS\[ \t\]+UNREL-ADDRESS\[^\r\n\]*\r\n" {
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# Match each symtab to avoid overflowing expect's buffer.
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exp_continue
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}
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-re "symtab: \[^\n\r\]+ \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) 0x0\\):\r\nNo line table.\r\n" {
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# For symtabs with no linetable.
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exp_continue
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}
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-re "^$decimal\[ \t\]+$decimal\[ \t\]+$hex\[ \t\]+$hex\[^\r\n\]*\r\n" {
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# Line table entries can be long too:
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#
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# INDEX LINE ADDRESS
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# 0 29 0x00000000004006f6
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# 1 30 0x00000000004006fa
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# 2 31 0x0000000000400704
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# 3 42 0x0000000000400706
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# 4 43 0x0000000000400719
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# 5 44 0x0000000000400722
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# 6 45 0x0000000000400740
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# (...)
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# 454 129 0x00007ffff7df1d28
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# 455 END 0x00007ffff7df1d3f
|
|
#
|
|
# Match each line to avoid overflowing expect's buffer.
|
|
exp_continue
|
|
}
|
|
-re "^$decimal\[ \t\]+END\[ \t\]+$hex\[ \t\]+$hex\[^\r\n\]*\r\n" {
|
|
# Matches an end marker in the above.
|
|
exp_continue
|
|
}
|
|
-re "^\r\n" {
|
|
# Empty line between tables.
|
|
exp_continue
|
|
}
|
|
-re "^$gdb_prompt $" {
|
|
gdb_assert $saw_srcfile $gdb_test_name
|
|
}
|
|
}
|
|
|
|
gdb_test "maint info line-table ${srcfile}" \
|
|
"symtab: \[^\n\r\]+${srcfile}.*INDEX.*LINE.*ADDRESS.*" \
|
|
"maint info line-table with filename of current symtab"
|
|
|
|
if { ! $readnow_p } {
|
|
gdb_test_no_output "maint info line-table ${srcfile2}" \
|
|
[join \
|
|
"maint info line-table with filename of symtab that is not" \
|
|
" currently expanded"]
|
|
}
|
|
|
|
gdb_test_no_output "maint expand-symtabs"
|
|
|
|
gdb_test "maint info line-table ${srcfile2}" \
|
|
"symtab: \[^\n\r\]+${srcfile2}.*INDEX.*LINE.*ADDRESS.*" \
|
|
"maint info line-table with filename of symtab that is not current"
|
|
|
|
gdb_test_no_output "maint info line-table xxx.c" \
|
|
"maint info line-table with invalid filename"
|
|
|
|
set timeout $oldtimeout
|
|
|
|
# Just check that the DWARF unwinders control flag is visible.
|
|
gdb_test "maint show dwarf unwinders" \
|
|
"The DWARF stack unwinders are currently (on|off)\\."
|
|
|
|
#============test help on maint commands
|
|
|
|
test_prefix_command_help {"maint info" "maintenance info"} {
|
|
"Commands for showing internal info about the program being debugged\\.\[\r\n\]+"
|
|
}
|
|
|
|
test_prefix_command_help {"maint print" "maintenance print"} {
|
|
"Maintenance command for printing GDB internal state\\.\[\r\n\]+"
|
|
}
|
|
|
|
test_prefix_command_help {"maint" "maintenance"} {
|
|
"Commands for use by GDB maintainers\\.\[\r\n\]+"
|
|
"Includes commands to dump specific internal GDB structures in\[\r\n\]+"
|
|
"a human readable form, to cause GDB to deliberately dump core, etc\\.\[\r\n\]+"
|
|
}
|
|
|
|
#set oldtimeout $timeout
|
|
#set timeout [expr $timeout + 300]
|
|
|
|
gdb_test_multiple "maint dump-me" "maint dump-me" {
|
|
-re "Should GDB dump core.*\\(y or n\\) $" {
|
|
gdb_test "n" ".*" "maint dump-me"
|
|
}
|
|
-re "Undefined maintenance command: .*$gdb_prompt $" {
|
|
# Command 'maint dump-me' is registered on non-win32 host.
|
|
unsupported "maint dump-me"
|
|
}
|
|
}
|
|
|
|
send_gdb "maint internal-error\n"
|
|
gdb_expect {
|
|
-re "A problem internal to GDB has been detected" {
|
|
pass "maint internal-error"
|
|
if [gdb_internal_error_resync] {
|
|
pass "internal-error resync"
|
|
} else {
|
|
fail "internal-error resync"
|
|
}
|
|
}
|
|
-re ".*$gdb_prompt $" {
|
|
fail "maint internal-error"
|
|
untested "internal-error resync"
|
|
}
|
|
timeout {
|
|
fail "maint internal-error (timeout)"
|
|
untested "internal-error resync"
|
|
}
|
|
}
|
|
|
|
#set timeout $oldtimeout
|
|
|
|
# Test that the commands work without an argument. For this test, we
|
|
# don't need an inferior loaded/running. See PR gdb/21164.
|
|
gdb_exit
|
|
gdb_start
|
|
gdb_test_no_output "maint print symbols"
|
|
gdb_test_no_output "maint print msymbols"
|
|
gdb_test_no_output "maint print psymbols"
|
|
|
|
gdb_exit
|