Re: [RFA/testsuite] Add a test for add-symbol-file

[Fernando Nasser <fnasser at redhat dot com>]

Daniel Jacobowitz wrote:
> 
> add-symbol-file isn't covered anywhere in the testsuite, except for usage
> messages (default.exp, help.exp) and in gdb.hp.  This adds some new tests
> for it - one of which actually fails on PowerPC right now.  Patch coming in
> a second.
> 
> Does this look OK?
> 

OK with me.

And new tests are always welcome.  Thanks.

Fernando


> --
> Daniel Jacobowitz                           Carnegie Mellon University
> MontaVista Software                         Debian GNU/Linux Developer
> 
> 2002-04-04  Daniel Jacobowitz  <drow@mvista.com>
> 
>         * gdb.base/relocate.exp: New file.
>         * gdb.base/relocate.c: New file.
> 
> --- /dev/null   Wed Dec 31 19:00:00 1969
> +++ relocate.c  Thu Apr  4 16:27:13 2002
> @@ -0,0 +1,17 @@
> +static int static_foo = 1;
> +static int static_bar = 2;
> +
> +int global_foo = 3;
> +int global_bar = 4;
> +
> +int
> +function_foo ()
> +{
> +  return 5;
> +}
> +
> +int
> +function_bar ()
> +{
> +  return 6;
> +}
> --- /dev/null   Wed Dec 31 19:00:00 1969
> +++ relocate.exp        Thu Apr  4 16:32:06 2002
> @@ -0,0 +1,108 @@
> +# Copyright 2002 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:
> +# bug-gdb@prep.ai.mit.edu
> +
> +# relocate.exp -- Expect script to test loading symbols from unrelocated
> +#                object files.
> +
> +if $tracelevel then {
> +    strace $tracelevel
> +}
> +
> +set testfile relocate
> +set srcfile ${srcdir}/${subdir}/${testfile}.c
> +set binfile ${objdir}/${subdir}/${testfile}.o
> +
> +remote_exec build "rm -f ${binfile}"
> +if { [gdb_compile "${srcfile}" "${binfile}" object {debug}] != "" } {
> +     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
> +}
> +
> +proc get_var_address { var } {
> +  global gdb_prompt hex
> +
> +  send_gdb "print &${var}\n"
> +  # Match output like:
> +  # $1 = (int *) 0x0
> +  # $5 = (int (*)()) 0
> +  # $6 = (int (*)()) 0x24 <function_bar>
> +  gdb_expect {
> +    -re "\\\$\[0-9\]+ = \\(.*\\) (0|$hex)( <${var}>)?\[\r\n\]+${gdb_prompt} $"
> +       {
> +         pass "get address of ${var}"
> +         if { $expect_out(1,string) == "0" } {
> +           return "0x0"
> +         } else {
> +           return $expect_out(1,string)
> +         }
> +       }
> +    -re "${gdb_prompt} $"
> +       { fail "get address of ${var} (unknown output)" }
> +    timeout
> +       { fail "get address of ${var} (timeout)" }
> +  }
> +  return ""
> +}
> +
> +
> +
> +gdb_exit
> +gdb_start
> +gdb_reinitialize_dir $srcdir/$subdir
> +
> +# Load the object file.
> +gdb_test "add-symbol-file ${binfile} 0" \
> +       "Reading symbols from .*${testfile}\\.o\\.\\.\\.done\\." \
> +       "add-symbol-file ${testfile}.o 0" \
> +       "add symbol table from file \".*${testfile}\\.o\" at\[ \t\r\n\]+\.text_addr = 0x0\[\r\n\]+\\(y or n\\) " \
> +       "y"
> +
> +# Print the addresses of static variables.
> +set static_foo_addr [get_var_address static_foo]
> +set static_bar_addr [get_var_address static_bar]
> +
> +# Make sure they have different addresses.
> +if { "${static_foo_addr}" == "${static_bar_addr}" } {
> +  fail "static variables have different addresses"
> +} else {
> +  pass "static variables have different addresses"
> +}
> +
> +# Print the addresses of global variables.
> +set global_foo_addr [get_var_address global_foo]
> +set global_bar_addr [get_var_address global_bar]
> +
> +# Make sure they have different addresses.
> +if { "${global_foo_addr}" == "${global_bar_addr}" } {
> +  fail "global variables have different addresses"
> +} else {
> +  pass "global variables have different addresses"
> +}
> +
> +# Print the addresses of functions.
> +set function_foo_addr [get_var_address function_foo]
> +set function_bar_addr [get_var_address function_bar]
> +
> +# Make sure they have different addresses.
> +if { "${function_foo_addr}" == "${function_bar_addr}" } {
> +  fail "functions have different addresses"
> +} else {
> +  pass "functions have different addresses"
> +}
> +
> +return 0

-- 
Fernando Nasser
Red Hat Canada Ltd.                     E-Mail:  fnasser@redhat.com
2323 Yonge Street, Suite #300
Toronto, Ontario   M4P 2C9