gdb/testsuite/gdb.base/args.exp

   1 # Copyright 2003, 2007 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This is a test for the gdb invocation option --args.
  21
  22 if $tracelevel then {
  23     strace $tracelevel
  24 }
  25
  26
  27 global GDBFLAGS
  28
  29 # Skip test if target does not support argument passing.
  30 if [target_info exists noargs] {
  31     return;
  32 }
  33
  34 set testfile "args"
  35 set srcfile ${testfile}.c
  36 set binfile ${objdir}/${subdir}/${testfile}
  37
  38 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  39     untested args.exp
  40     return -1
  41 }
  42
  43 proc args_test { name arglist } {
  44     global srcdir
  45     global subdir
  46     global binfile
  47     global hex
  48     global decimal
  49
  50     gdb_exit
  51     gdb_start
  52     gdb_reinitialize_dir $srcdir/$subdir
  53
  54     # No loading needs to be done when the target is `exec'.  Some targets
  55     # require that the program be loaded, however, and it doesn't hurt
  56     # for `exec'.
  57     gdb_load $binfile
  58
  59     runto_main
  60     gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
  61     gdb_continue_to_breakpoint "breakpoint for $name"
  62
  63     set expected_len [expr 1 + [llength $arglist]]
  64     gdb_test "print argc" "\\\$$decimal = $expected_len" "argc for $name"
  65
  66     set i 1
  67     foreach arg $arglist {
  68         gdb_test "print argv\[$i\]" "\\\$$decimal = $hex \"$arg\"" \
  69             "argv\[$i\] for $name"
  70         set i [expr $i + 1]
  71     }
  72 }
  73
  74 #
  75 # Test that the --args are processed correctly.
  76 #
  77 set old_gdbflags $GDBFLAGS
  78 set GDBFLAGS "--args $binfile 1 3"
  79 args_test basic {{1} {3}}
  80
  81 #
  82 # Test that the --args are processed correctly even if one of them is empty.
  83 # The syntax needed is a little peculiar; DejaGNU treats the arguments as a
  84 # list and expands them itself, since no shell redirection is involved.
  85 #
  86 set GDBFLAGS "--args $binfile 1 {} 3"
  87 args_test "one empty" {{1} {} {3}}
  88
  89 #
  90 # try with 2 empty args
  91 #
  92 set GDBFLAGS "--args $binfile 1 {} {} 3"
  93 args_test "two empty" {{1} {} {} 3}
  94
  95 # Try with arguments containing literal single quotes.
  96
  97 set GDBFLAGS "--args $binfile 1 '' 3"
  98 args_test "one empty" {{1} {''} {3}}
  99
 100 set GDBFLAGS "--args $binfile 1 '' '' 3"
 101 args_test "two empty" {{1} {''} {''} {3}}
 102
 103 set GDBFLAGS $old_gdbflags