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

   1 # Copyright 2012-2024 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 "failed to compile"
  20     return -1
  21 }
  22
  23 load_lib mi-support.exp
  24
  25 if {[mi_clean_restart $binfile]} {
  26     return
  27 }
  28
  29 mi_gdb_test "-break-insert -t ${srcfile}:[gdb_get_line_number "C = A + B"]" \
  30     "\\^done,bkpt=\{number=\"1\".*" \
  31     "insert breakpoint"
  32 mi_run_cmd
  33 mi_expect_stop "breakpoint-hit" "callee4" "" ".*" ".*" {"" "disp=\"del\""} \
  34     "continue to callee4"
  35
  36 mi_gdb_test "set var C = 4" \
  37     ".*=memory-changed,thread-group=\"i${decimal}\".addr=\"${hex}\",len=\"${hex}\".*\\^done" \
  38     "set var C = 4"
  39
  40 # Write memory through MI commands shouldn't trigger MI notification.
  41 mi_gdb_test "-var-create var_c * C" \
  42     "\\^done,name=\"var_c\",numchild=\"0\",value=\"4\",type=\"int\",thread-id=\"1\",has_more=\"0\"" \
  43     "create objvar for C"
  44
  45 mi_gdb_test "-var-assign var_c 5" \
  46     "-var-assign var_c 5\r\n\\^done,value=\"5\"" \
  47     "change C thru. varobj"
  48
  49 mi_gdb_test  "-data-write-memory-bytes &C \"00\"" \
  50     {\^done} \
  51     "change C thru. -data-write-memory-bytes"
  52
  53 # Modify code section also triggers MI notification.
  54
  55 # Get the instruction content of function main and its address.
  56 set main_addr ""
  57 set main_insn ""
  58 set test "get address of main"
  59 send_gdb "x/x main\n"
  60 gdb_expect {
  61     -re ".*(${hex}) <main>:.*(${hex}).*$mi_gdb_prompt$" {
  62         set main_addr $expect_out(1,string)
  63         set main_insn $expect_out(2,string)
  64         pass $test
  65     }
  66     -re ".*$mi_gdb_prompt$" {
  67         fail $test
  68         return
  69     }
  70     timeout {
  71         fail "$test (timeout)"
  72         return
  73     }
  74 }
  75
  76 regsub ^0x0* $main_addr "" main_addr
  77 mi_gdb_test "set var *(unsigned int *) 0x${main_addr} = ${main_insn}" \
  78     ".*=memory-changed,thread-group=\"i${decimal}\".addr=\"0x0*${main_addr}\",len=\"0x4\",type=\"code\".*\\^done"
  79 mi_gdb_exit