advance.exp

这个是LINUX下的GDB调度工具的源码

# Copyright 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]

# advance.exp -- Expect script to test 'advance' in gdb

if $tracelevel then {
    strace $tracelevel
}

set testfile advance
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

remote_exec build "rm -f ${binfile}"
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
    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 {
    fail "Can't run to main"
    return 0
}

# Verify that "advance <location>" works.  (This is really just syntactic
# sugar for "tbreak <location>; continue".)
#
gdb_test "advance [gdb_get_line_number "advance this location"]" \
	"main .* at .*:.*b = 3.*advance this location.*" \
	"advance line number"

# Verify that a malformed "advance" is gracefully caught.
#
gdb_test "advance [gdb_get_line_number "advance malformed"] then stop" \
	"Junk at end of arguments." "malformed advance"

# Verify that "advance <funcname>" works.
#
gdb_test "advance func" \
	"func.*at.*x = x \\+ 5." \
	"advance func"

# Verify that "advance <funcname>" when funcname is NOT called by the current
# frame, stops at the end of the current frame.
#
# gdb can legitimately stop on either the current line or the next line,
# depending on whether the machine instruction for 'call' on the current
# line has more instructions after it or not.
#
gdb_test "advance func3" \
	"(in main|).*(func \\(c\\)|marker1 \\(\\)).*stop here after leaving current frame..."\
	"advance function not called by current frame"

# break at main again
#
gdb_test "break [gdb_get_line_number "break here"]" \
	".*Breakpoint.* at .*" \
	"set breakpoint at call to func3"
gdb_test "continue" \
	".*Breakpoint ${decimal}, main.*func3.*break here.*" \
	"continue to call to func3 in main"

# Verify that "advance <funcname>" when funcname is called as parameter to 
# another function works.
#
gdb_test "advance foo" \
	"foo \\(a=5\\).*int b = a \\+ 10;"\
	"advance function called as param"

# Verify that we get an error if we use 'advance' w/o argument
#
gdb_test "advance" \
	"Argument required \\(a location\\)."\
	"advance with no argument"