i386-unwind.exp

这个是LINUX下的GDB调度工具的源码

# Copyright 2003, 2004 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 is part of the gdb testsuite.

if $tracelevel {
    strace $tracelevel
}

# Test i386 unwinder.

set prms_id 0
set bug_id 0

if ![istarget "i?86-*-*"] then {
    verbose "Skipping i386 unwinder tests."
    return
}

set testfile "i386-unwind"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

# some targets have leading underscores on assembly symbols.
# TODO: detect this automatically
set additional_flags ""
if [istarget "i?86-*-cygwin*"] then {
  set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""
}

if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
    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}

# Testcase for backtrace/1435.

# We use gdb_run_cmd so this stands a chance to work for remote
# targets too.
gdb_run_cmd

gdb_expect {
    -re "Program received signal SIGTRAP.*$gdb_prompt $" {
	pass "run past gdb1435"
    }
    -re ".*$gdb_prompt $" {
	fail "run past gdb1435"
    }
    timeout {
	fail "run past gdb1435 (timeout)"
    }
}

gdb_test "backtrace 10" \
	"#1\[ \t]*$hex in gdb1435.*\r\n#2\[ \t\]*$hex in main.*" \
	"backtrace past gdb1435"