gdb/testsuite/gdb.mi/mi-console.exp

   1 # Copyright 1999-2021 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 3 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, see <http://www.gnu.org/licenses/>.
  15
  16 # Test inferior console output, with MI.
  17
  18 load_lib mi-support.exp
  19 set MIFLAGS "-i=mi"
  20
  21 #
  22 # Given STRING, return the semihosted version of that string.
  23 #
  24 proc semihosted_string { string } {
  25     set semihosted_list {}
  26     set leading_markers "@\""
  27     set trailing_markers "\"\r\n"
  28
  29     if {$string != "" } {
  30         set split_string [split $string ""]
  31
  32         foreach char $split_string {
  33             # Escape special characters.
  34             if {$char == "\\"} {
  35                 set char "\\\\\\\\"
  36             } elseif {$char == "\r"} {
  37                   set char "\\\\r"
  38             } elseif {$char == "\n"} {
  39                   set char "\\\\n"
  40             } elseif {$char == "\""} {
  41                   set char "\\\\\""
  42             }
  43             lappend semihosted_list $leading_markers $char $trailing_markers
  44         }
  45     }
  46   return [join $semihosted_list ""]
  47 }
  48
  49 gdb_exit
  50 if [mi_gdb_start separate-inferior-tty] {
  51     continue
  52 }
  53
  54 standard_testfile
  55
  56 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  57      untested "failed to compile"
  58      return -1
  59 }
  60
  61 mi_gdb_reinitialize_dir $srcdir/$subdir
  62 mi_gdb_load ${binfile}
  63 mi_runto_main
  64
  65 # The output we get from the target depends on how it is hosted.  If
  66 # we are semihosted (e.g., the sim or a remote target that supports
  67 # the File I/O remote protocol extension), we see the target I/O
  68 # encapsulated in MI target output stream records.  If debugging with
  69 # a native target, the inferior's I/O streams are connected directly
  70 # to a PTY we create for the inferior (notice separate-inferior-tty
  71 # above), and we just see the program's output unadorned.  If
  72 # debugging with a remote target that doesn't support semihosting,
  73 # we'll see nothing.
  74
  75 # The program's real output string.
  76 set program_output "Hello \\\"!\r\n"
  77
  78 # Prepare the pattern for the PTY output of a native target.
  79 set native_output [string map {"\r\n" "\[\r\n\]+"} $program_output]
  80 set native_output [string map {"\\" "\\\\"} $native_output]
  81
  82 # Prepare the pattern for the semihosted output.
  83 set semihosted_output [semihosted_string $program_output]
  84
  85 # Combine both outputs in a single pattern.
  86 set output "($semihosted_output|$native_output)"
  87
  88 # Next over the hello() call which will produce lots of output
  89 mi_gdb_test "220-exec-next" \
  90             "220\\^running(\r\n\\*running,thread-id=\"all\")?" \
  91             "Testing console output" \
  92             $output
  93
  94 set line [gdb_get_line_number "after-hello"]
  95 mi_expect_stop "end-stepping-range" "main" "" ".*mi-console.c" $line "" \
  96     "finished step over hello"
  97
  98 mi_gdb_exit
  99 return 0