gdb/testsuite/gdb.dap/basic-dap.exp

   1 # Copyright 2022-2023 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 # Basic DAP test.
  17
  18 require allow_dap_tests
  19
  20 load_lib dap-support.exp
  21
  22 standard_testfile
  23
  24 if {[build_executable ${testfile}.exp $testfile] == -1} {
  25     return
  26 }
  27
  28 if {[dap_launch $testfile] == ""} {
  29     return
  30 }
  31
  32 set obj [dap_check_request_and_response "set breakpoint on two functions" \
  33              setFunctionBreakpoints \
  34              {o breakpoints [a [o name [s function_breakpoint_here]] \
  35                                  [o name [s do_not_stop_here]]]}]
  36 set fn_bpno [dap_get_breakpoint_number $obj]
  37
  38 # This also tests that the previous do_not_stop_here breakpoint is
  39 # cleared.
  40 set obj [dap_check_request_and_response "set breakpoint on function" \
  41              setFunctionBreakpoints \
  42              {o breakpoints [a [o name [s function_breakpoint_here]]]}]
  43 set fn_bpno [dap_get_breakpoint_number $obj]
  44
  45 set obj [dap_check_request_and_response "set breakpoint with invalid filename" \
  46              setBreakpoints \
  47              [format {o source [o path [s nosuchfilename.c]] breakpoints [a [o line [i 29]]]}]]
  48
  49 set line [gdb_get_line_number "BREAK"]
  50 set obj [dap_check_request_and_response "set breakpoint by line number" \
  51              setBreakpoints \
  52              [format {o source [o path [%s]] breakpoints [a [o line [i %d]]]} \
  53                   [list s $srcfile] $line]]
  54 set line_bpno [dap_get_breakpoint_number $obj]
  55
  56 # Check the new breakpoint event.
  57 set ok 0
  58 foreach d [lindex $obj 1] {
  59     if {[dict get $d type] != "event"
  60         || [dict get $d event] != "breakpoint"} {
  61         continue
  62     }
  63     if {[dict get $d body reason] == "new"
  64         && [dict get $d body breakpoint verified] == "true"} {
  65         set ok 1
  66         pass "check new breakpoint event"
  67         break
  68     }
  69 }
  70 if {!$ok} {
  71     fail "check new breakpoint event"
  72 }
  73
  74 set obj [dap_check_request_and_response "reset breakpoint by line number" \
  75              setBreakpoints \
  76              [format {o source [o path [%s]] breakpoints [a [o line [i %d]]]} \
  77                   [list s $srcfile] $line]]
  78 set new_line_bpno [dap_get_breakpoint_number $obj]
  79 gdb_assert {$new_line_bpno == $line_bpno} "re-setting kept same breakpoint number"
  80
  81 # This uses "&address_breakpoint_here" as the address -- this is a
  82 # hack because we know how this is implemented under the hood.
  83 set obj [dap_check_request_and_response "set breakpoint by address" \
  84              setInstructionBreakpoints \
  85              {o breakpoints [a [o instructionReference [s &address_breakpoint_here]]]}]
  86 set insn_bpno [dap_get_breakpoint_number $obj]
  87
  88 set response [lindex $obj 0]
  89 set bplist [dict get $response body breakpoints]
  90 set insn_pc [dict get [lindex $bplist 0] instructionReference]
  91
  92 dap_check_request_and_response "start inferior" configurationDone
  93 dap_wait_for_event_and_check "inferior started" thread "body reason" started
  94
  95 # While waiting for the stopped event, we might receive breakpoint changed
  96 # events indicating some breakpoint addresses were relocated.  Update INSN_PC
  97 # if necessary.
  98 lassign [dap_wait_for_event_and_check "stopped at function breakpoint" stopped \
  99             "body reason" breakpoint \
 100             "body hitBreakpointIds" $fn_bpno] unused objs
 101 foreach obj $objs {
 102     if { [dict get $obj "type"] != "event" } {
 103         continue
 104     }
 105
 106     if { [dict get $obj "event"] != "breakpoint" } {
 107         continue
 108     }
 109
 110     set body [dict get $obj "body"]
 111
 112     if { [dict get $body "reason"] != "changed" } {
 113         continue
 114     }
 115
 116     set breakpoint [dict get $body "breakpoint"]
 117     set breakpoint_id [dict get $breakpoint "id"]
 118
 119     if { $breakpoint_id != $insn_bpno } {
 120         continue
 121     }
 122
 123     set insn_pc [dict get $breakpoint "instructionReference"]
 124 }
 125
 126 set obj [dap_check_request_and_response "evaluate global in function" \
 127              evaluate {o expression [s global_variable]}]
 128 dap_match_values "global value in function" [lindex $obj 0] \
 129     "body result" 23
 130
 131 dap_check_request_and_response step stepIn {o threadId [i 1]}
 132 dap_wait_for_event_and_check "stopped after step" stopped "body reason" step
 133
 134 set obj [dap_check_request_and_response "evaluate global second time" \
 135              evaluate {o expression [s global_variable]}]
 136 dap_match_values "global value after step" [lindex $obj 0] \
 137     "body result" 24
 138
 139 dap_check_request_and_response "continue to address" continue \
 140     {o threadId [i 1]}
 141 dap_wait_for_event_and_check "stopped at address breakpoint" stopped \
 142     "body reason" breakpoint \
 143     "body hitBreakpointIds" $insn_bpno
 144
 145 dap_check_request_and_response "continue to line" continue \
 146     {o threadId [i 1]}
 147 dap_wait_for_event_and_check "stopped at line breakpoint" stopped \
 148     "body reason" breakpoint \
 149     "body hitBreakpointIds" $line_bpno \
 150     "body allThreadsStopped" true
 151
 152 dap_check_request_and_response "return from function" stepOut \
 153     {o threadId [i 1]}
 154 dap_wait_for_event_and_check "stopped after return" stopped \
 155     "body reason" step
 156
 157 set obj [dap_check_request_and_response "evaluate global in main" \
 158              evaluate {o expression [s global_variable]}]
 159 dap_match_values "global value in main" [lindex $obj 0] \
 160     "body result" 25
 161
 162 set obj [dap_check_request_and_response "set global in main" \
 163              setExpression {o expression [s global_variable] value [s 23]}]
 164 dap_match_values "global value in main after set" [lindex $obj 0] \
 165     "body result" 23
 166
 167 set obj [dap_request_and_response \
 168              evaluate {o expression [s nosuchvariable]}]
 169 set response [lindex $obj 0]
 170 gdb_assert { [dict get $response success] == "false" } "result of invalid request"
 171
 172 set obj [dap_check_request_and_response "disassemble one instruction" \
 173              disassemble \
 174              [format {o memoryReference [s %s] instructionCount [i 1]} \
 175                   $insn_pc]]
 176 set response [lindex $obj 0]
 177 gdb_assert { [dict exists $response body instructions] } "instructions in disassemble output"
 178
 179 set obj [dap_check_request_and_response "command repl" \
 180              evaluate {o expression [s {output 23}] context [s repl]}]
 181 set response [lindex $obj 0]
 182 gdb_assert {[dict get $response body result] == 23}
 183
 184 set obj [dap_check_request_and_response sources loadedSources]
 185 gdb_assert {[string first basic-dap.c $obj] != -1}
 186
 187 dap_shutdown