gdb/testsuite/gdb.base/define.exp - binutils-gdb - Git at Google

 # Copyright 1998-2021 Free Software Foundation, Inc.

 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.

 # This file was written by Elena Zannoni. (ezannoni@cygnus.com)


 #
 # test running programs
 #

 standard_testfile break.c break1.c

 if {[prepare_for_testing "failed to prepare" ${testfile} \
 	 [list $srcfile $srcfile2] {debug nowarnings}]} {
     return -1
 }

 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]

 if ![runto_main] then {
     return
 }

 # Verify that GDB allows a user to define their very own commands.
 #
 gdb_test_multiple "define nextwhere" "define user command: nextwhere" {
     -re "Type commands for definition of \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "next\nbt\nend" "" \
 	    "define user command: nextwhere"
     }
 }

 # Verify that those commands work as gdb_expected.
 #
 gdb_test "nextwhere" \
     "$bp_location1\[ \t\]*printf.*#0\[ \t\]*main.*:$bp_location1.*" \
     "use user command: nextwhere"

 # Verify that a user can define a command whose spelling is a
 # proper substring of another user-defined command.
 #
 gdb_test_multiple "define nextwh" "define user command: nextwh" {
     -re "Type commands for definition of \"nextwh\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "next 2\nbt\nend" "" \
 	    "define user command: nextwh"
     }
 }

 # Verify that a user can redefine their commands.  (Test both the
 # confirmed and unconfirmed cases.)
 #
 gdb_test "define nextwhere" \
     "Command \"nextwhere\" not redefined.*" \
     "redefine user command aborted: nextwhere" \
     "Redefine command \"nextwhere\".*y or n. $" \
     "n"

 send_gdb "define nextwhere\n"
 gdb_expect {
   -re "Redefine command \"nextwhere\".*y or n. $"\
           {send_gdb "y\n"
            gdb_expect {
              -re "Type commands for definition of \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$"\
                      {send_gdb "bt\nnext\nend\n"
                       gdb_expect {
                         -re "$gdb_prompt $"\
                                 {pass "redefine user command: nextwhere"}
                         timeout {fail "(timeout) redefine user command: nextwhere"}
                       }
                      }
              timeout {fail "(timeout) redefine user command: nextwhere"}
            }
           }
   -re "$gdb_prompt $"\
           {fail "redefine user command: nextwhere"}
   timeout {fail "(timeout) redefine user command: nextwhere"}
 }

 # Verify that GDB gracefully handles an attempt to redefine the
 # help text for a builtin command.
 #
 gdb_test "document step" "Command \"step\" is built-in.*" \
     "redocumenting builtin command disallowed"

 # Verify that a user can document their own commands.  (And redocument
 # them.)
 #
 gdb_test_multiple "document nextwhere" "document user command: nextwhere" {
     -re "Type documentation for \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "A next command that first shows you where you're stepping from.\nend" \
 	    "" \
 	    "document user command: nextwhere"
     }
 }

 gdb_test_multiple "document nextwhere" "re-document user command: nextwhere" {
     -re "Type documentation for \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "A next command that first shows you where you're stepping from.\nend" \
 	    "" \
 	    "re-document user command: nextwhere"
     }
 }

 gdb_test "help nextwhere" \
     "A next command that first shows you where you're stepping from.*" \
     "help user command: nextwhere"

 # Verify that the document command preserves whitespace in the beginning of the line.
 #
 gdb_test_multiple "document nextwhere" "set up whitespace in help string" {
     -re "Type documentation for \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "   A next command that first shows you where you're stepping from.\nend" \
 	    "" \
 	    "set up whitespace in help string"
     }
 }

 gdb_test "help nextwhere" \
     "   A next command that first shows you where you're stepping from.*" \
     "preserve whitespace in help string"

 # Verify that GDB allows a user to use . in a command name.
 #
 gdb_test_multiple "define dot.command" "define user command: dot.command" {
     -re "Type commands for definition of \"dot.command\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "echo dot command\\n\nend" "" \
 	    "define user command: dot.command"
     }
 }

 # Verify that dot.command works.
 #
 gdb_test "dot.command" \
     "dot command" \
     "full name dot.command"
 gdb_test "dot" \
     "dot command" \
     "partial name dot"
 gdb_test "dot." \
     "dot command" \
     "partial name dot."
 gdb_test "dot.c" \
     "dot command" \
     "partial name dot.c"


 # Verify that the command parser doesn't require a space after an 'if'
 # command in a user defined function.
 #
 gdb_test_multiple "define ifnospace" "define user command: ifnospace" \
 {
   -re "Type commands for definition of \"ifnospace\".\r\nEnd with a line saying just \"end\".\r\n>$" \
     {
       gdb_test_multiple "if(3<4)\nprint \"hi there\\n\"\nend\nend" "send body of ifnospace"  \
         {
          -re "$gdb_prompt $"\
                  {pass "define user command: ifnospace"}
         }
     }
 }

 gdb_test "ifnospace" ".*hi there.*" "test ifnospace is parsed correctly"

 # Verify that the command parser properly handles command abbreviations.
 with_test_prefix "command abbreviations in define" {
   set test "define user command: breakmain"
   gdb_test_multiple "define breakmain" "$test" {
       -re "Type commands for definition of \"breakmain\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	  pass "$test"
 	  set test "send body of breakmain"
 	  gdb_test_multiple "break -q main\ncommand\necho\nend\nend" "$test"  {
 	      -re "$gdb_prompt $"\
 		  {pass "$test"}
 	  }
       }
   }

   gdb_test "breakmain" ".*Breakpoint .*" "run user command"

   # If GDB fails to interpret properly the abbrev "command", the last "end"
   # will be missing.  Issue it to avoid a desync that would break the other
   # tests in this file.
   gdb_test "end" \
     "This command cannot be used at the top level.*" \
     "additional end command"

   gdb_test "info break \$bpnum" \
     [multi_line \
       "Num     Type\[ \]+Disp Enb Address\[ \]+What.*" \
       "\[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*" \
       "\[\t \]+echo.*"] \
     "info break shows echo command"
 }


 # Verify that the command parser doesn't require a space after an 'while'
 # command in a user defined function.
 #
 gdb_test_multiple "define whilenospace" "define user command: whilenospace" \
 {
   -re "Type commands for definition of \"whilenospace\".\r\nEnd with a line saying just \"end\".\r\n>$" \
     {
       gdb_test_multiple "set \$i=1\nwhile(\$i<2)\nset \$i=2\nprint \"hi there\\n\"\nend\nend" "send body of whilenospace" \
          {
            -re "$gdb_prompt $" \
                    {pass "define user command: whilenospace"}
          }
     }
 }

 gdb_test "whilenospace" ".*hi there.*" "test whilenospace is parsed correctly"

 # Verify that the user can "hook" a builtin command.  We choose to
 # hook the "stop" pseudo command, and we'll define it to use a user-
 # define command.
 #
 gdb_test_multiple "define user-bt" "define user command: user-bt" {
     -re "Type commands for definition of \"user-bt\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "bt\nend" \
 	    "" \
 	    "define user command: user-bt"
     }
 }

 gdb_test_multiple "define hook-stop" "define hook-stop command" {
     -re "Type commands for definition of \"hook-stop\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "user-b\nend" \
 	    "" \
 	    "define hook-stop command"
     }
 }

 gdb_test "next" "#0\[ \t\]*main.*:$bp_location11.*" \
     "use hook-stop command"

 # Verify that GDB responds gracefully to an attempt to define a "hook
 # command" which doesn't exist.  (Test both the confirmed and unconfirmed
 # cases.)
 #
 gdb_test "define hook-bar" \
     "Not confirmed.*" \
     "define hook undefined command aborted: bar" \
     "warning: Your new `hook-bar' command does not hook any existing command.\r\nProceed.*y or n. $" \
     "n"

 send_gdb "define hook-bar\n"
 gdb_expect {
   -re "warning: Your new `hook-bar' command does not hook any existing command.\r\nProceed.*y or n. $"\
           {send_gdb "y\n"
            gdb_expect {
              -re "Type commands for definition of \"hook-bar\".\r\nEnd with a line saying just \"end\".\r\n>$"\
                      {send_gdb "nextwhere\nend\n"
                       gdb_expect {
                         -re "$gdb_prompt $"\
                                 {pass "define hook undefined command: bar"}
                         timeout {fail "(timeout) define hook undefined command: bar"}
                       }
                      }
              -re "$gdb_prompt $"\
                      {fail "define hook undefined command: bar"}
              timeout {fail "(timeout) define hook undefined command: bar"}
            }
           }
   -re "$gdb_prompt $"\
           {fail "define hook undefined command: bar"}
   timeout {fail "(timeout) define hook undefined command: bar"}
 }

 # Test creation of an additional target subcommand.
 gdb_test_multiple "define target testsuite" "" {
     -re "Type commands for definition of \"target testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "printf \"hello\\n\"\nend" "" "define target testsuite"
     }
 }
 gdb_test_multiple "document target testsuite" "" {
     -re "Type documentation for \"target testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "A test target.\nend" "" "document target testsuite"
     }
 }

 gdb_test "help target" ".*A test target.*"
 gdb_test "target testsuite" "hello"
 gdb_test "show user target testsuite" "User command \"target testsuite\":\r\n  printf \"hello\\\\n\"\r\n"

 # We should even be able to hook subcommands.
 gdb_test_multiple "define target hook-testsuite" "" {
     -re "Type commands for definition of \"target hook-testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "printf \"one\\n\"\nend" "" "define target hook-testsuite"
     }
 }

 gdb_test_multiple "define target hookpost-testsuite" "" {
     -re "Type commands for definition of \"target hookpost-testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "printf \"two\\n\"\nend" "" "define target hookpost-testsuite"
     }
 }

 gdb_test "target testsuite" "one\r\nhello\r\ntwo" "target testsuite with hooks"

 # Save the GDB prompt so it can be restored to the original value later.
 set prior_prompt ""
 gdb_test_multiple "show prompt" "save gdb_prompt" {
     -re "Gdb's prompt is \"($gdb_prompt) \"\.\[\r\n\]*$gdb_prompt $" {
 	set prior_prompt $expect_out(1,string)
 	pass "save gdb_prompt"
     }
 }

 # This is a quasi-define command: Verify that the user can redefine
 # GDB's gdb_prompt.
 #
 gdb_test_multiple "set prompt \\(blah\\) " "set gdb_prompt" {
     -re "\\(blah\\) $" {
 	pass "set gdb_prompt"
     }
 }

 gdb_test_multiple "set prompt $prior_prompt " "reset gdb_prompt" {
     -re "\r\n$gdb_prompt $" {
 	pass "reset gdb_prompt"
     }
 }

 gdb_test_multiple "define do-define" "" {
     -re "Type commands for definition of \"do-define\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 	gdb_test "define do-printit\necho here\\n\nend\nend" "" "define do-define"
     }
 }
 gdb_test_no_output "do-define" "invoke do-define"
 gdb_test "do-printit" "here" "invoke do-printit"

 gdb_exit
 return 0
	# Copyright 1998-2021 Free Software Foundation, Inc.

	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation; either version 3 of the License, or
	# (at your option) any later version.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program. If not, see <http://www.gnu.org/licenses/>.

	# This file was written by Elena Zannoni. (ezannoni@cygnus.com)


	#
	# test running programs
	#

	standard_testfile break.c break1.c

	if {[prepare_for_testing "failed to prepare" ${testfile} \
	[list $srcfile $srcfile2] {debug nowarnings}]} {
	return -1
	}

	set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
	set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]

	if ![runto_main] then {
	return
	}

	# Verify that GDB allows a user to define their very own commands.
	#
	gdb_test_multiple "define nextwhere" "define user command: nextwhere" {
	-re "Type commands for definition of \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "next\nbt\nend" "" \
	"define user command: nextwhere"
	}
	}

	# Verify that those commands work as gdb_expected.
	#
	gdb_test "nextwhere" \
	"$bp_location1\[ \t\]printf.#0\[ \t\]main.:$bp_location1.*" \
	"use user command: nextwhere"

	# Verify that a user can define a command whose spelling is a
	# proper substring of another user-defined command.
	#
	gdb_test_multiple "define nextwh" "define user command: nextwh" {
	-re "Type commands for definition of \"nextwh\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "next 2\nbt\nend" "" \
	"define user command: nextwh"
	}
	}

	# Verify that a user can redefine their commands. (Test both the
	# confirmed and unconfirmed cases.)
	#
	gdb_test "define nextwhere" \
	"Command \"nextwhere\" not redefined.*" \
	"redefine user command aborted: nextwhere" \
	"Redefine command \"nextwhere\".*y or n. $" \
	"n"

	send_gdb "define nextwhere\n"
	gdb_expect {
	-re "Redefine command \"nextwhere\".*y or n. $"\
	{send_gdb "y\n"
	gdb_expect {
	-re "Type commands for definition of \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$"\
	{send_gdb "bt\nnext\nend\n"
	gdb_expect {
	-re "$gdb_prompt $"\
	{pass "redefine user command: nextwhere"}
	timeout {fail "(timeout) redefine user command: nextwhere"}
	}
	}
	timeout {fail "(timeout) redefine user command: nextwhere"}
	}
	}
	-re "$gdb_prompt $"\
	{fail "redefine user command: nextwhere"}
	timeout {fail "(timeout) redefine user command: nextwhere"}
	}

	# Verify that GDB gracefully handles an attempt to redefine the
	# help text for a builtin command.
	#
	gdb_test "document step" "Command \"step\" is built-in.*" \
	"redocumenting builtin command disallowed"

	# Verify that a user can document their own commands. (And redocument
	# them.)
	#
	gdb_test_multiple "document nextwhere" "document user command: nextwhere" {
	-re "Type documentation for \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "A next command that first shows you where you're stepping from.\nend" \
	"" \
	"document user command: nextwhere"
	}
	}

	gdb_test_multiple "document nextwhere" "re-document user command: nextwhere" {
	-re "Type documentation for \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "A next command that first shows you where you're stepping from.\nend" \
	"" \
	"re-document user command: nextwhere"
	}
	}

	gdb_test "help nextwhere" \
	"A next command that first shows you where you're stepping from.*" \
	"help user command: nextwhere"

	# Verify that the document command preserves whitespace in the beginning of the line.
	#
	gdb_test_multiple "document nextwhere" "set up whitespace in help string" {
	-re "Type documentation for \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test " A next command that first shows you where you're stepping from.\nend" \
	"" \
	"set up whitespace in help string"
	}
	}

	gdb_test "help nextwhere" \
	" A next command that first shows you where you're stepping from.*" \
	"preserve whitespace in help string"

	# Verify that GDB allows a user to use . in a command name.
	#
	gdb_test_multiple "define dot.command" "define user command: dot.command" {
	-re "Type commands for definition of \"dot.command\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "echo dot command\\n\nend" "" \
	"define user command: dot.command"
	}
	}

	# Verify that dot.command works.
	#
	gdb_test "dot.command" \
	"dot command" \
	"full name dot.command"
	gdb_test "dot" \
	"dot command" \
	"partial name dot"
	gdb_test "dot." \
	"dot command" \
	"partial name dot."
	gdb_test "dot.c" \
	"dot command" \
	"partial name dot.c"


	# Verify that the command parser doesn't require a space after an 'if'
	# command in a user defined function.
	#
	gdb_test_multiple "define ifnospace" "define user command: ifnospace" \
	{
	-re "Type commands for definition of \"ifnospace\".\r\nEnd with a line saying just \"end\".\r\n>$" \
	{
	gdb_test_multiple "if(3<4)\nprint \"hi there\\n\"\nend\nend" "send body of ifnospace" \
	{
	-re "$gdb_prompt $"\
	{pass "define user command: ifnospace"}
	}
	}
	}

	gdb_test "ifnospace" ".hi there." "test ifnospace is parsed correctly"

	# Verify that the command parser properly handles command abbreviations.
	with_test_prefix "command abbreviations in define" {
	set test "define user command: breakmain"
	gdb_test_multiple "define breakmain" "$test" {
	-re "Type commands for definition of \"breakmain\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	pass "$test"
	set test "send body of breakmain"
	gdb_test_multiple "break -q main\ncommand\necho\nend\nend" "$test" {
	-re "$gdb_prompt $"\
	{pass "$test"}
	}
	}
	}

	gdb_test "breakmain" ".Breakpoint ." "run user command"

	# If GDB fails to interpret properly the abbrev "command", the last "end"
	# will be missing. Issue it to avoid a desync that would break the other
	# tests in this file.
	gdb_test "end" \
	"This command cannot be used at the top level.*" \
	"additional end command"

	gdb_test "info break \$bpnum" \
	[multi_line \
	"Num Type\[ \]+Disp Enb Address\[ \]+What.*" \
	"\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*" \
	"\[\t \]+echo.*"] \
	"info break shows echo command"
	}


	# Verify that the command parser doesn't require a space after an 'while'
	# command in a user defined function.
	#
	gdb_test_multiple "define whilenospace" "define user command: whilenospace" \
	{
	-re "Type commands for definition of \"whilenospace\".\r\nEnd with a line saying just \"end\".\r\n>$" \
	{
	gdb_test_multiple "set \$i=1\nwhile(\$i<2)\nset \$i=2\nprint \"hi there\\n\"\nend\nend" "send body of whilenospace" \
	{
	-re "$gdb_prompt $" \
	{pass "define user command: whilenospace"}
	}
	}
	}

	gdb_test "whilenospace" ".hi there." "test whilenospace is parsed correctly"

	# Verify that the user can "hook" a builtin command. We choose to
	# hook the "stop" pseudo command, and we'll define it to use a user-
	# define command.
	#
	gdb_test_multiple "define user-bt" "define user command: user-bt" {
	-re "Type commands for definition of \"user-bt\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "bt\nend" \
	"" \
	"define user command: user-bt"
	}
	}

	gdb_test_multiple "define hook-stop" "define hook-stop command" {
	-re "Type commands for definition of \"hook-stop\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "user-b\nend" \
	"" \
	"define hook-stop command"
	}
	}

	gdb_test "next" "#0\[ \t\]main.:$bp_location11.*" \
	"use hook-stop command"

	# Verify that GDB responds gracefully to an attempt to define a "hook
	# command" which doesn't exist. (Test both the confirmed and unconfirmed
	# cases.)
	#
	gdb_test "define hook-bar" \
	"Not confirmed.*" \
	"define hook undefined command aborted: bar" \
	"warning: Your new `hook-bar' command does not hook any existing command.\r\nProceed.*y or n. $" \
	"n"

	send_gdb "define hook-bar\n"
	gdb_expect {
	-re "warning: Your new `hook-bar' command does not hook any existing command.\r\nProceed.*y or n. $"\
	{send_gdb "y\n"
	gdb_expect {
	-re "Type commands for definition of \"hook-bar\".\r\nEnd with a line saying just \"end\".\r\n>$"\
	{send_gdb "nextwhere\nend\n"
	gdb_expect {
	-re "$gdb_prompt $"\
	{pass "define hook undefined command: bar"}
	timeout {fail "(timeout) define hook undefined command: bar"}
	}
	}
	-re "$gdb_prompt $"\
	{fail "define hook undefined command: bar"}
	timeout {fail "(timeout) define hook undefined command: bar"}
	}
	}
	-re "$gdb_prompt $"\
	{fail "define hook undefined command: bar"}
	timeout {fail "(timeout) define hook undefined command: bar"}
	}

	# Test creation of an additional target subcommand.
	gdb_test_multiple "define target testsuite" "" {
	-re "Type commands for definition of \"target testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "printf \"hello\\n\"\nend" "" "define target testsuite"
	}
	}
	gdb_test_multiple "document target testsuite" "" {
	-re "Type documentation for \"target testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "A test target.\nend" "" "document target testsuite"
	}
	}

	gdb_test "help target" ".A test target."
	gdb_test "target testsuite" "hello"
	gdb_test "show user target testsuite" "User command \"target testsuite\":\r\n printf \"hello\\\\n\"\r\n"

	# We should even be able to hook subcommands.
	gdb_test_multiple "define target hook-testsuite" "" {
	-re "Type commands for definition of \"target hook-testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "printf \"one\\n\"\nend" "" "define target hook-testsuite"
	}
	}

	gdb_test_multiple "define target hookpost-testsuite" "" {
	-re "Type commands for definition of \"target hookpost-testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "printf \"two\\n\"\nend" "" "define target hookpost-testsuite"
	}
	}

	gdb_test "target testsuite" "one\r\nhello\r\ntwo" "target testsuite with hooks"

	# Save the GDB prompt so it can be restored to the original value later.
	set prior_prompt ""
	gdb_test_multiple "show prompt" "save gdb_prompt" {
	-re "Gdb's prompt is \"($gdb_prompt) \"\.\[\r\n\]*$gdb_prompt $" {
	set prior_prompt $expect_out(1,string)
	pass "save gdb_prompt"
	}
	}

	# This is a quasi-define command: Verify that the user can redefine
	# GDB's gdb_prompt.
	#
	gdb_test_multiple "set prompt \\(blah\\) " "set gdb_prompt" {
	-re "\\(blah\\) $" {
	pass "set gdb_prompt"
	}
	}

	gdb_test_multiple "set prompt $prior_prompt " "reset gdb_prompt" {
	-re "\r\n$gdb_prompt $" {
	pass "reset gdb_prompt"
	}
	}

	gdb_test_multiple "define do-define" "" {
	-re "Type commands for definition of \"do-define\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	gdb_test "define do-printit\necho here\\n\nend\nend" "" "define do-define"
	}
	}
	gdb_test_no_output "do-define" "invoke do-define"
	gdb_test "do-printit" "here" "invoke do-printit"

	gdb_exit
	return 0