gdb/testsuite/gdb.mi/mi-memory-changed.exp

   1 # Copyright 2012-2013 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 standard_testfile basics.c
  17 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  18           executable {debug nowarnings}] != "" } {
  19     untested mi-record-changed.exp
  20     return -1
  21 }
  22
  23 load_lib mi-support.exp
  24
  25 if [mi_gdb_start] {
  26     return
  27 }
  28 mi_gdb_reinitialize_dir $srcdir/$subdir
  29 mi_gdb_load ${binfile}
  30
  31 mi_gdb_test "-break-insert -t ${srcfile}:[gdb_get_line_number "C = A + B"]" \
  32     "\\^done,bkpt=\{number=\"1\".*" \
  33     "insert breakpoint"
  34 mi_run_cmd
  35 mi_expect_stop "breakpoint-hit" "callee4" "" ".*" ".*" {"" "disp=\"del\""} \
  36     "continue to callee4"
  37
  38 mi_gdb_test "set var C = 4" \
  39     ".*=memory-changed,thread-group=\"i${decimal}\".addr=\"${hex}\",len=\"${hex}\".*\\^done" \
  40     "set var C = 4"
  41
  42 # Write memory through MI commands shouldn't trigger MI notification.
  43 mi_gdb_test "-var-create var_c * C" \
  44     "\\^done,name=\"var_c\",numchild=\"0\",value=\"4\",type=\"int\",thread-id=\"1\",has_more=\"0\"" \
  45     "create objvar for C"
  46
  47 mi_gdb_test "-var-assign var_c 5" \
  48     "-var-assign var_c 5\r\n\\^done,value=\"5\"" \
  49     "change C thru. varobj"
  50
  51 mi_gdb_test  "-data-write-memory-bytes &C \"00\"" \
  52     {\^done} \
  53     "change C thru. -data-write-memory-bytes"
  54
  55 # Modify code section also triggers MI notification.
  56
  57 # Get the instruction content of function main and its address.
  58 set main_addr ""
  59 set main_insn ""
  60 set test "get address of main"
  61 send_gdb "x/x main\n"
  62 gdb_expect {
  63     -re ".*(${hex}) <main>:.*(${hex}).*$mi_gdb_prompt$" {
  64         set main_addr $expect_out(1,string)
  65         set main_insn $expect_out(2,string)
  66         pass $test
  67     }
  68     -re ".*$mi_gdb_prompt$" {
  69         fail $test
  70         return
  71     }
  72     timeout {
  73         fail "$test (timeout)"
  74         return
  75     }
  76 }
  77
  78 mi_gdb_test "set var *(unsigned int *) ${main_addr} = ${main_insn}" \
  79     ".*=memory-changed,thread-group=\"i${decimal}\".addr=\"${main_addr}\",len=\"0x4\",type=\"code\".*\\^done"
  80 mi_gdb_exit
  81 return 0