maint.exp

这个是LINUX下的GDB调度工具的源码

# Copyright 1998, 1999, 2000, 2001, 2002, 2003 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

# Please email any bugs, comments, and/or additions to this file to:
# [e-mail]

# This file was written by Elena Zannoni ([e-mail])

# this file tests maintenance commands and help on those.

# source file used is break.c


#maintenance check-symtabs -- Check consistency of psymtabs and symtabs
#maintenance space -- Set the display of space usage
#maintenance set -- Set GDB internal variables used by the GDB maintainer
#maintenance show -- Show GDB internal variables used by the GDB maintainer
#maintenance time -- Set the display of time usage
#maintenance demangle -- Demangle a C++ mangled name
#maintenance dump-me -- Get fatal error; make debugger dump its core
#maintenance print -- Maintenance command for printing GDB internal state
#maintenance info -- Commands for showing internal info about the program being debugged
#maintenance internal-error -- Give GDB an internal error.
#
#maintenance print dummy-frames -- Print the dummy frame stack
#maintenance print statistics -- Print statistics about internal gdb state
#maintenance print objfiles -- Print dump of current object file definitions
#maintenance print psymbols -- Print dump of current partial symbol definitions
#maintenance print msymbols -- Print dump of current minimal symbol definitions
#maintenance print symbols -- Print dump of current symbol definitions
#maintenance print type -- Print a type chain for a given symbol
#maintenance print unwind -- Print unwind table entry at given address
#
#
#maintenance info sections -- List the BFD sections of the exec and core files
#maintenance info breakpoints -- Status of all breakpoints
#



if $tracelevel then {
        strace $tracelevel
        }

global usestubs

#
# test running programs
#
set prms_id 0
set bug_id 0

set testfile "break"
set srcfile ${testfile}.c
set srcfile1 ${testfile}1.c
set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug additional_flags=-w}] != "" } {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug additional_flags=-w}] != "" } {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}

if  { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug additional_flags=-w}] != "" } {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}


gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

if ![runto_main] then {
        perror "tests suppressed"
}


# The commands we test here produce many lines of output; disable "press 
# <return> to continue" prompts.
send_gdb "set height 0\n"
gdb_expect -re "$gdb_prompt $"

# use a larger expect input buffer for long help outputs.
match_max 6000

#
# this command does not produce any output
# unless there is some problem with the symtabs and psymtabs
# so that branch will really never be covered in this tests here!!
#

# guo: on linux this command output is huge.  for some reason splitting up
# the regexp checks works.
#
send_gdb "maint check-symtabs\n"
gdb_expect  {
        -re "^maint check-symtabs" {
	    gdb_expect {
		-re "$gdb_prompt $" \
                          { pass "maint check-symtabs" }
		timeout { fail "(timeout) maint check-symtabs" }
	    }
	}
        -re ".*$gdb_prompt $"       { fail "maint check-symtabs" }
        timeout         { fail "(timeout) maint check-symtabs" }
        }

send_gdb "maint space\n"
gdb_expect  {
        -re "\"maintenance space\" takes a numeric argument\\..*$gdb_prompt $"\
                        { pass "maint space" }
        -re ".*$gdb_prompt $"       { fail "maint space" }
        timeout         { fail "(timeout) maint space" }
        }

send_gdb "maint space 1\n"
gdb_expect  {
        -re "Space used: $decimal \\(\\+$decimal for this command\\).*$gdb_prompt $"\
                        { pass "maint space 1" }
        -re ".*$gdb_prompt $"       { fail "maint space 1" }
        timeout         { fail "(timeout) maint space 1" }
        }


send_gdb "maint time\n"
gdb_expect  {
        -re "\"maintenance time\" takes a numeric argument\\..*Space used: $decimal \\(\\+$decimal for this command\\).*$gdb_prompt $"\
                        { pass "maint time" }
        -re ".*$gdb_prompt $"       { fail "maint time" }
        timeout         { fail "(timeout) maint time" }
        }

send_gdb "maint time 1\n"
gdb_expect  {
        -re "Command execution time: $decimal.*Space used: $decimal \\(\\+$decimal for this command\\).*$gdb_prompt $"\
                        { pass "maint time 1" }
        -re ".*$gdb_prompt $"       { fail "maint time 1" }
        timeout         { fail "(timeout) maint time 1" }
        }

send_gdb "maint time 0\n"
gdb_expect  {
        -re "Space used: $decimal \\(\\+$decimal for this command\\).*$gdb_prompt $"\
                        { pass "maint time 0" }
        -re ".*$gdb_prompt $"       { fail "maint time 0" }
        timeout         { fail "(timeout) maint time 0" }
        }


send_gdb "maint space 0\n"
gdb_expect  {
        -re "maint space 0\r\n$gdb_prompt $"\
                        { pass "maint space 0" }
        -re ".*$gdb_prompt $"       { fail "maint space 0" }
        timeout         { fail "(timeout) maint space 0" }
        }

send_gdb "maint demangle\n"
gdb_expect  {
        -re "\"maintenance demangle\" takes an argument to demangle\\..*$gdb_prompt $"\
                        { pass "maint demangle" }
        -re ".*$gdb_prompt $"       { fail "maint demangle" }
        timeout         { fail "(timeout) maint demangle" }
        }

send_gdb "maint demangle main\n"
gdb_expect  {
        -re "Can't demangle \"main\".*$gdb_prompt $"\
                        { pass "maint demangle" }
        -re ".*$gdb_prompt $"       { fail "maint demangle" }
        timeout         { fail "(timeout) maint demangle" }
        }


send_gdb "maint print statistics\n"
gdb_expect  {
        -re "Statistics for.*break.*Number of \"minimal\" symbols read.*Number of \"partial\" symbols read.*Number of \"types\" defined.*Number of psym tables \\(not yet expanded\\).*Number of symbol tables.*Number of symbol tables with line tables.*Number of symbol tables with blockvectors.*Total memory used for psymbol obstack.*Total memory used for psymbol cache.*Total memory used for symbol obstack.*Total memory used for type obstack.*$gdb_prompt $"\
                        { 
			    # Old output for gdb 6.0 and earlier
			    pass "maint print statistics" 
			}
        -re "Statistics for.*break.*Number of \"minimal\" symbols read.*Number of \"partial\" symbols read.*Number of \"types\" defined.*Number of psym tables \\(not yet expanded\\).*Number of symbol tables.*Number of symbol tables with line tables.*Number of symbol tables with blockvectors.*Total memory used for objfile obstack.*Total memory used for psymbol cache.*Total memory used for macro cache.*$gdb_prompt $"\
                        { pass "maint print statistics" }
        -re ".*$gdb_prompt $"       { fail "maint print statistics" }
        timeout         { fail "(timeout) maint print statistics" }
        }

# There aren't any ...
gdb_test "maint print dummy-frames" ""

send_gdb "maint print objfiles\n"

# To avoid timeouts, we avoid expects with many .* patterns that match
# many lines.  Instead, we keep track of which milestones we've seen
# in the output, and stop when we've seen all of them.

set header 0
set psymtabs 0
set symtabs 0
set keep_looking 1

while {$keep_looking} {
    gdb_expect  {

	-re ".*Object file.*break($EXEEXT)?:  Objfile at $hex, bfd at $hex, \[0-9\]* minsyms\[\r\t \]+\n" { set header 1 }
	-re ".*Psymtabs:\[\r\t \]+\n" { set psymtabs 1 }
	-re ".*Symtabs:\[\r\t \]+\n" { set symtabs 1 }

	-re ".*$gdb_prompt $" { 
	    set keep_looking 0
	}
	timeout { 
	    fail "(timeout) maint print objfiles" 
	    set keep_looking 0
	}
    }