setvar.exp

gdb-6.8 Linux下的调试程序 最新版本

# This testcase is part of GDB, the GNU debugger.

# Copyright 1988, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000,
# 2001, 2004, 2007, 2008 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/>.

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

# This file was written by Rob Savoye. ([e-mail])

if $tracelevel then {
	strace $tracelevel
	}

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

set testfile "setvar"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
     untested setvar.exp
     return -1
}

# Create and source the file that provides information about the compiler
# used to compile the test case.
if [get_compiler_info ${binfile}] {
    return -1;
}

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $binfile

#
# set it up at a breakpoint so we canplay with the variable values
#
send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"

if ![runto_main] then {
    perror "couldn't run to breakpoint"
    continue
}

# Determine expected output for unsigned long variables,
# the output varies with sizeof (unsigned long).

set ulong_minus_1 4294967295
set ulong_minus_456 4294966840
send_gdb "print sizeof (unsigned long)\n"
gdb_expect {
    -re ".\[0-9\]* = 4.*$gdb_prompt $" {}
    -re ".\[0-9\]* = 8.*$gdb_prompt $" {
	set ulong_minus_1 18446744073709551615
	set ulong_minus_456 18446744073709551160
    }
    -re ".*$gdb_prompt $" {
	 fail "getting sizeof unsigned long"
    }
    default	{ fail "(timeout) getting sizeof unsigned long" }
}

proc test_set { args } {
    global gdb_prompt

    set length [expr [llength $args] - 1];
    set message "[lindex $args $length]";
    set final [expr $length - 2];
    set count 1;

    # Set up the variables.
    for {set x 0;} {$x < $length} {incr x;} {
	if { "[lindex $args $x]" != "" } {
	    set arg [lindex $args $x];
	    if { ($x == $final) || ([string first ".*" [lindex $args [expr $x + 1]]] >= 0) } {
		set match [lindex $args [expr $x + 1]];
		if { $count == 1 } {
		    set mess "$message"
		} else {
		    set mess "$message (#$count)";
		}
		incr count;
		incr x;
	    } else {
		set mess "";
		set match ""
	    }
	    verbose "doing $arg $match"
	    if [gdb_test "$arg" "$match" "$mess"] {
		fail "$message -- $match";
		return 1;
	    }
	}
    }
    return 0;
}

#
# test "set variable" for type "char"
#
# Because bare char types can be either signed or unsigned, we just test the
# range of values that are common to both (0-127).
#    

test_set "set variable v_char=0" "print v_char" ".\[0-9\]* = 0 \'.0\'"        "set variable char=0" 
test_set "set variable v_char=1" "print v_char" ".\[0-9\]* = 1 \'.001\'"        "set variable char=1" 
test_set "set variable v_char=7" "print v_char" ".\[0-9\]* = 7 \'.a\'"        "set variable char=7 (Bel)" 
test_set "set variable v_char=32" "print v_char" ".\[0-9\]* = 32 \' \'"        "set variable char=32 (SPC)" 
test_set "set variable v_char=65" "print v_char" ".\[0-9\]* = 65 \'A\'"        "set variable char=65 ('A')" 
test_set "set variable v_char=97" "print v_char" ".\[0-9\]* = 97 \'a\'"        "set variable char=97 ('a')" 
test_set "set variable v_char=126" "print v_char" ".\[0-9\]* = 126 \'~\'"        "set variable char=126 ('~')" 
test_set "set variable v_char=127" "print v_char" ".\[0-9\]* = 127 \'.177\'"        "set variable char=127 (8-bit)" 
#
# test "set variable" for type "signed char"
#    
test_set "set variable v_char=0" "print v_signed_char" ".\[0-9\]* = 0 \'.0\'"                 "set variable signed char=0" 
test_set "set variable v_signed_char=1" "print v_signed_char" ".\[0-9\]* = 1 \'.001\'"        "set variable signed char=1" 
test_set "set variable v_signed_char=7" "print v_signed_char" ".\[0-9\]* = 7 \'.a\'"        "set variable signed char=7 (Bel)" 
test_set "set variable v_signed_char=32" "print v_signed_char" ".\[0-9\]* = 32 \' \'"        "set variable signed char=32 (SPC)" 
test_set "set variable v_signed_char=65" "print v_signed_char" ".\[0-9\]* = 65 \'A\'"        "set variable signed char=65 ('A')" 
test_set "set variable v_signed_char=97" "print v_signed_char" ".\[0-9\]* = 97 \'a\'"        "set variable signed char=97 ('a')" 
test_set "set variable v_signed_char=126" "print v_signed_char" ".\[0-9\]* = 126 \'~\'"        "set variable signed char=126 ('~')" 
test_set "set variable v_signed_char=127" "print v_signed_char" ".\[0-9\]* = 127 \'.177\'"        "set variable signed char=127 (8-bit)" 
gdb_test "set variable v_signed_char=-1" ""
if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix4*" }
gdb_test "print v_signed_char" ".\[0-9\]* = -1 \'.377\'" \
    "set variable signed char=-1 (-1)"
gdb_test "set variable v_signed_char=0xFF" ""
if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix4*" }
gdb_test "print v_signed_char" ".\[0-9\]* = -1 \'.377\'" \
    "set variable signed char=0xFF (0xFF)"
#
# test "set variable" for type "unsigned char"
#
test_set "set variable v_unsigned_char=0" "print v_unsigned_char" ".\[0-9\]* = 0 \'.0\'"        "set variable unsigned char=0" 
test_set "set variable v_unsigned_char=1" "print v_unsigned_char" ".\[0-9\]* = 1 \'.001\'"        "set variable unsigned char=1" 
test_set "set variable v_unsigned_char=7" "print v_unsigned_char" ".\[0-9\]* = 7 \'.a\'"        "set variable unsigned char=7 (Bel)" 
test_set "set variable v_unsigned_char=32" "print v_unsigned_char" ".\[0-9\]* = 32 \' \'"        "set variable unsigned char=32 (SPC)" 
test_set "set variable v_unsigned_char=65" "print v_unsigned_char" ".\[0-9\]* = 65 \'A\'"        "set variable unsigned char=65 ('A')" 
test_set "set variable v_unsigned_char=97" "print v_unsigned_char" ".\[0-9\]* = 97 \'a\'"        "set variable unsigned char=97 ('a')" 
test_set "set variable v_unsigned_char=126" "print v_unsigned_char" ".\[0-9\]* = 126 \'~\'"        "set variable unsigned char=126 ('~')" 
test_set "set variable v_unsigned_char=~0" "print v_unsigned_char" ".\[0-9\]* = 255 \'.377\'"        "set variable unsigned char=255 (8-bit)" 
#
# test "set variable" for type "short"
#
test_set "set variable v_short=0" "print v_short" ".\[0-9\]* = 0"        "set variable short=0" 
test_set "set variable v_short=1" "print v_short" ".\[0-9\]* = 1"        "set variable short=1" 
test_set "set variable v_short=-1" "print v_short" ".\[0-9\]* = -1"        "set variable short=-1 (minus)" 
#
# test "set variable" for type "signed short"
#
test_set "set variable v_signed_short=0" "print v_signed_short" ".\[0-9\]* = 0"        "set variable signed short=0" 
test_set "set variable v_signed_short=1" "print v_signed_short" ".\[0-9\]* = 1"        "set variable signed short=1" 
test_set "set variable v_signed_short=-1" "print v_signed_short" ".\[0-9\]* = -1"        "set variable signed short=-1 (minus)" 
#
# test "set variable" for type "unsigned short"
#
test_set "set variable v_unsigned_short=0" "print v_unsigned_short" ".\[0-9\]* = 0"        "set variable unsigned short=0" 
test_set "set variable v_unsigned_short=1" "print v_unsigned_short" ".\[0-9\]* = 1"        "set variable unsigned short=1" 
test_set "set variable v_unsigned_short=~0" "print v_unsigned_short" ".\[0-9\]* = 65535"        "set variable unsigned short=~0 (minus)" 
#
# test "set variable" for type "int"
#
test_set "set variable v_int=0" "print v_int" ".\[0-9\]* = 0"        "set variable int=0" 
test_set "set variable v_int=1" "print v_int" ".\[0-9\]* = 1"        "set variable int=1" 
test_set "set variable v_int=-1" "print v_int" ".\[0-9\]* = -1"        "set variable int=-1 (minus)" 
#
# test "set variable" for type "signed int"
#
test_set "set variable v_signed_int=0" "print v_signed_int" ".\[0-9\]* = 0"        "set variable signed int=0" 
test_set "set variable v_signed_int=1" "print v_signed_int" ".\[0-9\]* = 1"        "set variable signed int=1" 
test_set "set variable v_signed_int=-1" "print v_signed_int" ".\[0-9\]* = -1"        "set variable signed int=-1 (minus)" 
#
# test "set variable" for type "unsigned int"
#
test_set "set variable v_unsigned_int=0" "print v_unsigned_int" ".\[0-9\]* = 0"        "set variable unsigned int=0" 
test_set "set variable v_unsigned_int=1" "print v_unsigned_int" ".\[0-9\]* = 1"        "set variable unsigned int=1" 
test_set "set variable v_unsigned_int=~0" "print v_unsigned_int" ".\[0-9\]* = (4294967295|65535)"        "set variable unsigned int=~0 (minus)" 
#test_set ".\[0-9\]* = 65535"        "set variable unsigned int=~0 (minus)" 
#
# test "set variable" for type "long"
#
test_set "set variable v_long=0" "print v_long" ".\[0-9\]* = 0"        "set variable long=0" 
test_set "set variable v_long=1" "print v_long" ".\[0-9\]* = 1"        "set variable long=1" 
test_set "set variable v_long=-1" "print v_long" ".\[0-9\]* = -1"        "set variable long=-1 (minus)" 
#
# test "set variable" for type "signed long"
#
test_set "set variable v_signed_long=0" "print v_signed_long" ".\[0-9\]* = 0"        "set variable signed long=0"