531 lines
19 KiB
Text
531 lines
19 KiB
Text
# Copyright 1998-2016 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 sections -- List the BFD sections of the exec and core files
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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 $testfile.exp $testfile \
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[list $srcfile $srcfile2] {debug nowarnings}]} {
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untested $testfile.exp
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return -1
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}
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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.
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gdb_test "maint print registers" "Name.*Nr.*Rel.*Offset.*Size.*Type.*"
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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 "mt expand-symtabs"
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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 ${binfile}
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if ![runto_main] then {
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perror "tests suppressed"
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}
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# If we're using .gdb_index there will be no psymtabs.
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set have_gdb_index 0
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gdb_test_multiple "maint info sections .gdb_index" "check for .gdb_index" {
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-re ": .gdb_index.*$gdb_prompt $" {
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set have_gdb_index 1
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}
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-re ".*$gdb_prompt $" {
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;# Nothing to do, present to avoid a FAIL.
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}
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}
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#
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# this command does not produce any output
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# unless there is some problem with the symtabs and psymtabs
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# so that branch will really never be covered in this tests here!!
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#
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# guo: on linux this command output is huge. for some reason splitting up
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# the regexp checks works.
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#
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send_gdb "maint check-psymtabs\n"
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gdb_expect {
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-re "^maint check-psymtabs" {
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gdb_expect {
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-re "$gdb_prompt $" {
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pass "maint check-psymtabs"
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}
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timeout { fail "(timeout) maint check-psymtabs" }
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}
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}
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-re ".*$gdb_prompt $" { fail "maint check-psymtabs" }
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timeout { fail "(timeout) maint check-psymtabs" }
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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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gdb_test "pwd" \
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"Command 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_no_output "maint set per-command off"
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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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send_gdb "maint print statistics\n"
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gdb_expect {
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-re "Statistics for\[^\n\r\]*maint\[^\n\r\]*:\r\n Number of \"minimal\" symbols read: $decimal\r\n( Number of \"partial\" symbols read: $decimal\r\n)? Number of \"full\" symbols read: $decimal\r\n Number of \"types\" defined: $decimal\r\n( Number of psym tables \\(not yet expanded\\): $decimal\r\n)?( Number of read CUs: $decimal\r\n Number of unread CUs: $decimal\r\n)? Number of symbol tables: $decimal\r\n Number of symbol tables with line tables: $decimal\r\n Number of symbol tables with blockvectors: $decimal\r\n Total memory used for objfile obstack: $decimal\r\n Total memory used for BFD obstack: $decimal\r\n Total memory used for psymbol cache: $decimal\r\n Total memory used for macro cache: $decimal\r\n Total memory used for file name cache: $decimal\r\n" {
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gdb_expect {
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-re "$gdb_prompt $" {
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pass "maint print statistics"
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}
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timeout { fail "(timeout) maint print statistics" }
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}
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}
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-re ".*$gdb_prompt $" { fail "maint print statistics" }
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timeout { fail "(timeout) maint print statistics" }
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}
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# There aren't any ...
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gdb_test_no_output "maint print dummy-frames"
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send_gdb "maint print objfiles\n"
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# To avoid timeouts, we avoid expects with many .* patterns that match
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# many lines. Instead, we keep track of which milestones we've seen
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# in the output, and stop when we've seen all of them.
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set header 0
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set psymtabs 0
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set symtabs 0
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set keep_looking 1
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while {$keep_looking} {
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gdb_expect {
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-re "\r\n" {
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set output $expect_out(buffer)
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if {[regexp ".*Object file.*maint($EXEEXT)?: Objfile at ${hex}" $output]} {
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set header 1
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}
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if {[regexp ".*Psymtabs:\[\r\t \]+\n" $output]} {
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set psymtabs 1
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}
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if {[regexp ".*Symtabs:\[\r\t \]+\n" $output]} {
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set symtabs 1
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}
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}
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-re ".*$gdb_prompt $" {
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set keep_looking 0
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}
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timeout {
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fail "(timeout) maint print objfiles"
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set keep_looking 0
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}
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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 { ! $have_gdb_index } {
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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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gdb_test "maint print psymbols" \
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"print-psymbols takes an output file name and optional symbol file name" \
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"maint print psymbols w/o args"
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if { ! $have_gdb_index } {
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set psymbols_output [standard_output_file psymbols_output]
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send_gdb "maint print psymbols $psymbols_output ${srcdir}/${subdir}/${srcfile}\n"
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gdb_expect {
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-re "^maint print psymbols $psymbols_output \[^\n\]*\r\n$gdb_prompt $" {
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send_gdb "shell ls $psymbols_output\n"
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gdb_expect {
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-re "$psymbols_output\r\n$gdb_prompt $" {
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# We want this grep to be as specific as possible,
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# so it's less likely to match symbol file names in
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# psymbols_output. Yes, this actually happened;
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# poor expect got tons of output, and timed out
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# trying to match it. --- Jim Blandy <jimb@cygnus.com>
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send_gdb "shell grep 'main.*function' $psymbols_output\n"
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gdb_expect {
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-re ".main., function, $hex.*$gdb_prompt $" {
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pass "maint print psymbols 1"
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}
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-re ".*main. .., function, $hex.*$gdb_prompt $" {
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pass "maint print psymbols 2"
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}
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-re ".*$gdb_prompt $" { fail "maint print psymbols" }
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timeout { fail "(timeout) maint print psymbols" }
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}
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gdb_test "shell rm -f $psymbols_output" ".*" \
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"shell rm -f psymbols_output"
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}
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-re ".*$gdb_prompt $" { fail "maint print psymbols" }
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timeout { fail "(timeout) maint print psymbols" }
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}
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}
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-re ".*$gdb_prompt $" { fail "maint print psymbols" }
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timeout { fail "(timeout) maint print psymbols" }
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}
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}
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gdb_test "maint print msymbols" \
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"print-msymbols takes an output file name and optional symbol file name" \
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"maint print msymbols w/o args"
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set msymbols_output [standard_output_file msymbols_output]
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send_gdb "maint print msymbols $msymbols_output ${binfile}\n"
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gdb_expect {
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-re "^maint print msymbols $msymbols_output \[^\n\]*\r\n$gdb_prompt $" {
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send_gdb "shell ls $msymbols_output\n"
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gdb_expect {
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-re "$msymbols_output\r\n$gdb_prompt $" {
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send_gdb "shell grep factorial $msymbols_output\n"
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gdb_expect {
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-re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" {
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pass "maint print msymbols"
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}
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-re ".*$gdb_prompt $" { fail "maint print msymbols" }
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timeout { fail "(timeout) maint print msymbols" }
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}
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gdb_test "shell rm -f $msymbols_output" ".*" \
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"shell rm -f msymbols_output"
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}
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-re ".*$gdb_prompt $" { fail "maint print msymbols" }
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timeout { fail "(timeout) maint print msymbols" }
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}
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}
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-re ".*$gdb_prompt $" { fail "maint print msymbols" }
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timeout { fail "(timeout) maint print msymbols" }
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}
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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_multiple "maint print msymbols msymbols_output2 ${testfile}" "maint print msymbols" {
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-re "^maint print msymbols msymbols_output2 \[^\n\]*\r\n$gdb_prompt $" {
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gdb_test_multiple "shell ls msymbols_output2" "maint print msymbols" {
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-re "msymbols_output2\r\n$gdb_prompt $" {
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gdb_test_multiple "shell grep factorial msymbols_output2" "maint print msymbols" {
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-re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" {
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pass "maint print msymbols"
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}
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-re ".*$gdb_prompt $" {
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fail "maint print msymbols"
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}
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timeout {
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fail "(timeout) maint print msymbols"
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}
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}
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gdb_test "shell rm -f msymbols_output2" ".*" \
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"shell rm -f msymbols_output2"
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}
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-re ".*$gdb_prompt $" {
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fail "maint print msymbols"
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}
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timeout {
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fail "(timeout) maint print msymbols"
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}
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}
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}
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-re ".*$gdb_prompt $" {
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fail "maint print msymbols"
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}
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timeout {
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fail "(timeout) maint print msymbols"
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}
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}
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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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gdb_test "maint print symbols" \
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"Arguments missing: an output file name and an optional symbol file name" \
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"maint print symbols w/o args"
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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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send_gdb "maint print symbols $symbols_output ${srcdir}/${subdir}/${srcfile}\n"
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gdb_expect {
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-re "^maint print symbols $symbols_output \[^\n\]*\r\n$gdb_prompt $" {
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send_gdb "shell ls $symbols_output\n"
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gdb_expect {
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-re "$symbols_output\r\n$gdb_prompt $" {
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# See comments for `maint print psymbols'.
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send_gdb "shell grep 'main(.*block' $symbols_output\n"
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gdb_expect {
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-re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" {
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pass "maint print symbols"
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}
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-re ".*$gdb_prompt $" { fail "maint print symbols" }
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timeout { fail "(timeout) maint print symbols" }
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}
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gdb_test "shell rm -f $symbols_output" ".*" \
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"shell rm -f symbols_output"
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}
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-re ".*$gdb_prompt $" { fail "maint print symbols" }
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timeout { fail "(timeout) maint print symbols" }
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}
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}
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-re ".*$gdb_prompt $" { fail "maint print symbols" }
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timeout { fail "(timeout) maint print symbols" }
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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\ntagname .<NULL>. \\($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 $timeout + 300]
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# It'd be nice to check for every possible section. However, that's
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# problematic, since the relative ordering wanders from release to
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# release of the compilers. Instead, we'll just check for two
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# sections which appear to always come out in the same relative
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# order. (If that changes, then we should just check for one
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# section.)
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#
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# And by the way: This testpoint will break for PA64, where a.out's
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# are ELF files.
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# Standard GNU names.
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set text_section ".text"
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set data_section ".data"
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gdb_test_multiple "maint info sections" "maint info sections" {
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-re "Exec file:\r\n.*maint($EXEEXT)?., file type.*ER_RO.*$gdb_prompt $" {
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# Looks like RealView which uses different section names.
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set text_section ER_RO
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set data_section ER_RW
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pass "maint info sections"
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}
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-re "Exec file:\r\n.*maint($EXEEXT)?., file type.*neardata.*$gdb_prompt $" {
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# c6x doesn't have .data section. It has .neardata and .fardata section.
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set data_section ".neardata"
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pass "maint info sections"
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}
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-re "Exec file:\r\n.*maint($EXEEXT)?., file type.*$gdb_prompt $" {
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pass "maint info sections"
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}
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}
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# Test for new option: maint info sections <section name>
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# If you don't have a .text section, this will require tweaking.
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gdb_test_multiple "maint info sections $text_section" \
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"maint info sections .text" {
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-re ".* \\.bss .*$gdb_prompt $" {
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fail "maint info sections .text"
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}
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-re ".* $data_section .*$gdb_prompt $" {
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fail "maint info sections .text"
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}
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-re ".* $text_section .*$gdb_prompt $" {
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pass "maint info sections .text"
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}
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}
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# Test for new option: CODE section flag
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# If your data section is tagged CODE, xfail this test.
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gdb_test_multiple "maint info sections CODE" "maint info sections CODE" {
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-re ".* $data_section .*$gdb_prompt $" { fail "maint info sections CODE" }
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-re ".* $text_section .*$gdb_prompt $" { pass "maint info sections CODE" }
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}
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# Test for new option: DATA section flag
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# If your text section is tagged DATA, xfail this test.
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#
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# The "maint info sections DATA" test is marked for XFAIL on Windows,
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# because Windows has text sections marked DATA.
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setup_xfail "*-*-*cygwin*"
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setup_xfail "*-*-*mingw*"
|
|
|
|
gdb_test_multiple "maint info sections DATA" "maint info sections DATA" {
|
|
-re ".* $text_section .*$gdb_prompt $" { fail "maint info sections DATA" }
|
|
-re ".* $data_section .*$gdb_prompt $" { pass "maint info sections DATA" }
|
|
-re ".* .rodata .*$gdb_prompt $" { pass "maint info sections DATA" }
|
|
}
|
|
|
|
set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
|
|
|
|
gdb_test_multiple "maint info breakpoints" "maint info breakpoints" {
|
|
-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 $" {
|
|
pass "maint info breakpoints"
|
|
}
|
|
-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 $" {
|
|
pass "maint info breakpoints (with shlib events)"
|
|
}
|
|
}
|
|
|
|
gdb_test "maint print" \
|
|
"\"maintenance print\" must be followed by the name of a print command\\.\r\nList.*unambiguous\\..*" \
|
|
"maint print w/o args"
|
|
|
|
gdb_test "maint info" \
|
|
"\"maintenance info\" must be followed by the name of an info command\\.\r\nList.*unambiguous\\..*" \
|
|
"maint info w/o args"
|
|
|
|
gdb_test "maint" \
|
|
"\"maintenance\" must be followed by the name of a maintenance command\\.\r\nList.*unambiguous\\..*" \
|
|
"maint w/o args"
|
|
|
|
set timeout $oldtimeout
|
|
|
|
#============test help on maint commands
|
|
|
|
gdb_test "help maint" \
|
|
"Commands for use by GDB maintainers\\..*Includes commands to dump specific internal GDB structures in.*a human readable form, to cause GDB to deliberately dump core, etc\\..*List of maintenance subcommands:.*maintenance info.*maintenance internal-error.*maintenance print.*maintenance set.*maintenance show.*Type.*help maintenance.*followed by maintenance subcommand name for full documentation\\..*Command name abbreviations are allowed if unambiguous\\..*"
|
|
|
|
gdb_test "help maint info" \
|
|
"Commands for showing internal info about the program being debugged.*unambiguous\\..*"
|
|
|
|
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
|
|
|
|
|
|
gdb_exit
|
|
return 0
|