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jeremybenn |
# Copyright 1998, 1999, 2001, 2007, 2008, 2009, 2010
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# 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 . */
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if $tracelevel then {
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strace $tracelevel
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}
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set testfile1 "average"
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set testfile2 "sum"
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set testfile "dbx-test"
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set binfile1 ${objdir}/${subdir}/${testfile1}
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set binfile2 ${objdir}/${subdir}/${testfile2}
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/average.c" "${binfile1}.o" object {debug}] != "" } {
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untested dbx.exp
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return -1
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}
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if { [gdb_compile "${srcdir}/${subdir}/sum.c" "${binfile2}.o" object {debug}] != "" } {
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untested dbx.exp
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return -1
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}
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if { [gdb_compile "${binfile1}.o ${binfile2}.o" ${binfile} executable {debug}] != "" } {
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untested dbx.exp
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return -1
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}
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#
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# start gdb -- start gdb running, default procedure
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#
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proc dbx_gdb_start { } {
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global verbose
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global GDB
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global INTERNAL_GDBFLAGS GDBFLAGS
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global prompt
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global spawn_id
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global timeout
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verbose "Spawning $GDB -dbx $INTERNAL_GDBFLAGS $GDBFLAGS"
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if { [which $GDB] == 0 } then {
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perror "$GDB does not exist."
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exit 1
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}
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set oldtimeout $timeout
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set timeout [expr "$timeout + 60"]
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eval "spawn $GDB -dbx $INTERNAL_GDBFLAGS $GDBFLAGS"
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gdb_expect {
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-re ".*\r\n$gdb_prompt $" {
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verbose "GDB initialized."
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}
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-re "$prompt $" {
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perror "GDB never initialized."
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return -1
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}
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timeout {
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perror "(timeout) GDB never initialized."
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return -1
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}
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}
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set timeout $oldtimeout
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# force the height to "unlimited", so no pagers get used
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send_gdb "set height 0\n"
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gdb_expect {
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-re ".*$prompt $" {
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verbose "Setting height to 0." 2
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}
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timeout {
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warning "Couldn't set the height to 0."
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}
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}
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# force the width to "unlimited", so no wraparound occurs
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send_gdb "set width 0\n"
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gdb_expect {
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-re ".*$prompt $" {
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verbose "Setting width to 0." 2
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}
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timeout {
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warning "Couldn't set the width to 0."
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}
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}
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}
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proc dbx_reinitialize_dir { subdir } {
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global gdb_prompt
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send_gdb "use\n"
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gdb_expect {
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-re "Reinitialize source path to empty.*y or n. " {
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send_gdb "y\n"
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gdb_expect {
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-re "Source directories searched.*$gdb_prompt $" {
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send_gdb "use $subdir\n"
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gdb_expect {
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-re "Source directories searched.*$gdb_prompt $" {
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verbose "Dir set to $subdir"
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}
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-re ".*$gdb_prompt $" {
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perror "Dir \"$subdir\" failed."
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}
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}
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}
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-re ".*$gdb_prompt $" {
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perror "Dir \"$subdir\" failed."
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}
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}
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}
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-re ".*$gdb_prompt $" {
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perror "Dir \"$subdir\" failed."
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}
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}
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}
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# In "testsuite/config/unix-gdb.exp", the routine "gdb_load"
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# is defined as "gdb_file_cmd". The binding of "gdb_file_cmd"
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# is done at invocation time. Before this file is processed,
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# it binds to the definition in "testsuite/lib/gdb.exp"; after
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# this file is processed, it binds to this definition.
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# TCL lets us overrides a previous routine definition without a
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# warning (isn't that special?).
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#
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# This means that tests before use "file" to load a target, and
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# tests afterwards use the pair "symbol-file" "exec-file".
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#
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# I'm leaving it as it is for now because at the moment it
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# is the only test we have of the use of the combination of
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# "symbol-file" and "exec-file" to load a debugging target (the
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# other definition uses "file".
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#
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# Symbol-file and exec-file should be tested explicitly, not
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# as a side effect of running a particular test (in this case,
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# "testsuite/gdb.compat/dbx.exp").
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#
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# CM: Renamed the procedure so it does not override the orginal file name.
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# Having the test suite change behavior depending on the tests run makes
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# it extremely difficult to reproduce errors. I've also added a
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# "dbx_gdb_load" procedure. This and only this test will call these
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# procedures now. I also added an "expect" to the "send exec-file" line.
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# The "expect" waits for a prompt to appear. Otherwise, if the tests run
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# too quickly, the caller could send another command before the prompt
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# of this command returns, causing the test to get out of sync and fail
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# seemingly randomly or only on a loaded system.
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#
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# Problem is, though, that the testsuite config files can override the definition of
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# gdb_load (without notice, as was mentioned above). Unfortunately, the gdb_load proc
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# that was copied into this test was a copy of the unix native version.
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#
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# The real problem that we're attempting to solve is how to load an exec and symbol
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# file into gdb for a dbx session. So why not just override gdb_file_cmd with the
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# right sequence of events, allowing gdb_load to do its normal thing? This way
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# remotes and simulators will work, too.
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#
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# [drow 2002-03-30]: We can restore the old gdb_file_cmd afterwards, though.
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set old_gdb_file_cmd_args [info args gdb_file_cmd]
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set old_gdb_file_cmd_body [info body gdb_file_cmd]
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proc gdb_file_cmd {arg} {
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global verbose
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global loadpath
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global loadfile
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global GDB
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global gdb_prompt
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global spawn_id
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upvar timeout timeout
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global last_loaded_file
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set last_loaded_file $arg
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if [is_remote host] {
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set arg [remote_download host $arg];
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if { $arg == "" } {
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error "download failed"
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return -1;
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}
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}
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send_gdb "symbol-file $arg\n"
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gdb_expect {
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-re "Detected 64-bit symbol file.\r\nInvoking.*gdb64.*$gdb_prompt $" {
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verbose "\t\tLoaded $arg into the $GDB"
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send_gdb "exec-file $arg\n"
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gdb_expect {
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-re ".*$gdb_prompt $" {
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verbose "\t\tLoaded $arg with new symbol table into $GDB"
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return 0
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}
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timeout {
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perror "(timeout) Couldn't load $arg"
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return -1
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}
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}
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return 0
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}
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-re "Reading symbols from.*done.*$gdb_prompt $" {
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verbose "\t\tLoaded $arg into the $GDB"
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send_gdb "exec-file $arg\n"
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gdb_expect {
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-re "A program is being debugged already.*Kill it.*y or n. $" {
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send_gdb "y\n"
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verbose "\t\tKilling previous program being debugged"
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exp_continue
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}
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-re ".*$gdb_prompt $" {
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verbose "\t\tLoaded $arg with new symbol table into $GDB"
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return 0
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}
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timeout {
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perror "(timeout) Couldn't load $arg"
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return -1
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}
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}
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return 0
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}
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-re "has no symbol-table.*$gdb_prompt $" {
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perror "$arg wasn't compiled with \"-g\""
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return -1
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}
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-re "Load new symbol table from \".*\".*y or n. $" {
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send_gdb "y\n"
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exp_continue
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}
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-re ".*No such file or directory.*$gdb_prompt $" {
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perror "($arg) No such file or directory\n"
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return -1
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}
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-re "$gdb_prompt $" {
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perror "couldn't load $arg into $GDB."
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return -1
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}
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timeout {
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perror "couldn't load $arg into $GDB (timed out)."
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return -1
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}
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eof {
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# This is an attempt to detect a core dump, but seems not to
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# work. Perhaps we need to match .* followed by eof, in which
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# expect does not seem to have a way to do that.
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perror "couldn't load $arg into $GDB (end of file)."
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return -1
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}
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}
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}
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#
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#test_breakpoints
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#
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proc test_breakpoints { } {
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gdb_test "stop in main" "Breakpoint.*at.*: file.*average\.c, line 38\."
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gdb_test "status" "Num.*Type.*Disp.*Enb.*Address.*What\r\n1\[ \r\]+breakpoint\[ \r\]+keep y.*in main at.*average\.c:38.*"
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gdb_test "stop at average.c:43" "Breakpoint.*at.*: file.*average\.c, line 43.*"
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gdb_test "stop in average.c:43" "Usage: stop in "
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gdb_test "stop at main" "Usage: stop at "
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}
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#
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#test_assign
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#
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proc test_assign { } {
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global decimal
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global gdb_prompt
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gdb_run_cmd
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gdb_expect 30 {
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-re "Break.* at .*:$decimal.*$gdb_prompt $" { pass "running to main" }
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-re "Breakpoint \[0-9\]*, \[0-9xa-f\]* in .*$gdb_prompt $" { pass "running to main" }
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-re "$gdb_prompt $" { fail "running to main" }
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timeout { fail "running to main (timeout)" }
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}
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send_gdb "assign first=1\n"
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gdb_expect {
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-re "No symbol \"first\" in current context.*$" { fail "assign first" }
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-re "$gdb_prompt $" { pass "assign first" }
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timeout { fail "assign first (timeout)" }
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}
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gdb_test "print first" ".1 = 1"
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}
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#
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#test_whereis
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#
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proc test_whereis { } {
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| 301 |
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gdb_test "whereis my_list" "All variables matching regular expression \"my_list\":\r\n\r\nFile.*average\.c:\r\nstatic int my_list\\\[10\\\];"
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}
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| 303 |
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#
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| 305 |
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#test_func
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| 306 |
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#
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| 307 |
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proc test_func { } {
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| 308 |
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gdb_test "cont" ".*" "cont 1"
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gdb_test "step" ".*"
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| 310 |
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# This always fails, but it's not clear why. -sts 1999-08-17
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| 311 |
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setup_xfail "*-*-*"
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| 312 |
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gdb_test "func sum" "'sum' not within current stack frame\."
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| 313 |
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gdb_test "stop in sum" "Breakpoint.*at.*: file.*sum\.c, line 11\."
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| 314 |
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gdb_test "cont" ".*" "cont 2"
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| 315 |
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# This always fails, but it's not clear why. -sts 1999-08-17
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setup_xfail "*-*-*"
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gdb_test "func print_average" ".*in print_average.*\\(list=.*, low=0, high=6\\).*at.*average\.c:24\r\n24\[ \t\]+total = sum\\(list, low, high\\);"
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}
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| 319 |
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| 320 |
|
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# Start with a fresh gdb.
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| 321 |
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gdb_exit
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| 323 |
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global GDBFLAGS
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| 324 |
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set saved_gdbflags $GDBFLAGS
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| 325 |
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| 326 |
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set GDBFLAGS "$GDBFLAGS --dbx"
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| 327 |
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gdb_start
|
| 328 |
|
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dbx_reinitialize_dir $srcdir/$subdir
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| 329 |
|
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gdb_load ${binfile}
|
| 330 |
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| 331 |
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test_breakpoints
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| 332 |
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test_assign
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| 333 |
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test_whereis
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| 334 |
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gdb_test "file average.c:1" "1\[ \t\]+/. This is a sample program.*"
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| 335 |
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test_func
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| 336 |
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| 337 |
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#exit and cleanup
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| 338 |
|
|
gdb_exit
|
| 339 |
|
|
|
| 340 |
|
|
set GDBFLAGS $saved_gdbflags
|
| 341 |
|
|
eval proc gdb_file_cmd {$old_gdb_file_cmd_args} {$old_gdb_file_cmd_body}
|
| 342 |
|
|
|
| 343 |
|
|
return 0
|
