| 1 | # Copyright 1999-2019 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 Machine interface (MI) operations |
| 17 | # |
| 18 | # Test MI watchpoint commands. |
| 19 | # |
| 20 | # The goal is not to test gdb functionality, which is done by other |
| 21 | # tests, but to verify the correct output response to MI operations. |
| 22 | |
| 23 | load_lib mi-support.exp |
| 24 | set MIFLAGS "-i=mi" |
| 25 | |
| 26 | gdb_exit |
| 27 | |
| 28 | standard_testfile basics.c |
| 29 | |
| 30 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
| 31 | untested "failed to compile" |
| 32 | return -1 |
| 33 | } |
| 34 | |
| 35 | proc test_watchpoint_creation_and_listing {} { |
| 36 | global mi_gdb_prompt |
| 37 | global srcfile |
| 38 | global hex |
| 39 | |
| 40 | set line_callee4_head [gdb_get_line_number "callee4 ("] |
| 41 | set line_callee4_body [expr $line_callee4_head + 2] |
| 42 | |
| 43 | # Insert a watchpoint and list |
| 44 | # Tests: |
| 45 | # -break-watch C |
| 46 | # -break-list |
| 47 | |
| 48 | mi_gdb_test "111-break-watch C" \ |
| 49 | "111\\^done,wpt=\{number=\"2\",exp=\"C\"\}" \ |
| 50 | "break-watch operation" |
| 51 | |
| 52 | mi_gdb_test "222-break-list" \ |
| 53 | "222\\\^done,BreakpointTable=\{nr_rows=\".\",nr_cols=\".\",hdr=\\\[\{width=\".*\",alignment=\".*\",col_name=\"number\",colhdr=\"Num\"\}.*colhdr=\"Type\".*colhdr=\"Disp\".*colhdr=\"Enb\".*colhdr=\"Address\".*colhdr=\"What\".*\\\],body=\\\[bkpt=\{number=\"2\",type=\".*watchpoint\",disp=\"keep\",enabled=\"y\",what=\"C\",thread-groups=\\\[\"i1\"\\\],times=\"0\",original-location=\"C\"\}\\\]\}" \ |
| 54 | "list of watchpoints" |
| 55 | |
| 56 | } |
| 57 | |
| 58 | # UNUSED at the time |
| 59 | proc test_awatch_creation_and_listing {} { |
| 60 | global mi_gdb_prompt |
| 61 | global srcfile |
| 62 | global hex |
| 63 | |
| 64 | set line_main_head [gdb_get_line_number "main ("] |
| 65 | set line_main_body [expr $line_main_head + 2] |
| 66 | |
| 67 | # Insert an access watchpoint and list it |
| 68 | # Tests: |
| 69 | # -break-watch -a A |
| 70 | # -break-list |
| 71 | |
| 72 | mi_gdb_test "333-break-watch -a A" \ |
| 73 | "333\\^done,bkpt=\{number=\"1\",addr=\"$hex\",file=\".*basics.c\",line=\"$line_main_body\"\}" \ |
| 74 | "break-watch -a operation" |
| 75 | |
| 76 | mi_gdb_test "444-break-list" \ |
| 77 | "444\\^done,BreakpointTable=\{.*,hdr=\\\[.*\\\],body=\\\[bkpt=\{number=\"3\",type=\"watchpoint\",disp=\"del\",enabled=\"y\",addr=\"$hex\",func=\"main\",file=\".*basics.c\",line=\"$line_main_body\",thread-groups=\\\[\"i1\"\\\],times=\"0\"\},.*\}\\\]\}" \ |
| 78 | "list of watchpoints awatch" |
| 79 | |
| 80 | mi_gdb_test "777-break-delete 3" \ |
| 81 | "777\\^done" \ |
| 82 | "delete access watchpoint" |
| 83 | } |
| 84 | |
| 85 | # UNUSED at the time |
| 86 | proc test_rwatch_creation_and_listing {} { |
| 87 | global mi_gdb_prompt |
| 88 | global srcfile |
| 89 | global hex |
| 90 | |
| 91 | set line_main_head [gdb_get_line_number "main ("] |
| 92 | set line_main_body [expr $line_main_head + 2] |
| 93 | |
| 94 | # Insert a read watchpoint and list it. |
| 95 | # Tests: |
| 96 | # -break-watch -r B |
| 97 | # -break-list |
| 98 | |
| 99 | mi_gdb_test "200-break-watch -r C" \ |
| 100 | "200\\^done,bkpt=\{number=\"5\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"callee4\",file=\".*basics.c\",line=\"$line_main_body\",times=\"0\"\}" \ |
| 101 | "break-watch -r operation" |
| 102 | |
| 103 | mi_gdb_test "300-break-list" \ |
| 104 | "300\\^done,BreakpointTable=\{.*,hdr=\\\[.*\\\],body=\\\[bkpt=\{number=\"5\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"main\",file=\".*basics.c\",line=\"$line_main_body\",thread-groups=\\\[\"i1\"\\\],times=\"0\"\},.*\}\\\}\}" \ |
| 105 | "list of breakpoints" |
| 106 | |
| 107 | mi_gdb_test "177-break-delete 4" \ |
| 108 | "177\\^done" \ |
| 109 | "delete read watchpoint" |
| 110 | } |
| 111 | |
| 112 | proc test_watchpoint_triggering {} { |
| 113 | global mi_gdb_prompt |
| 114 | global hex fullname_syntax srcfile |
| 115 | |
| 116 | set line_callee4_return_0 [gdb_get_line_number "return 0;"] |
| 117 | set line_callee3_head [gdb_get_line_number "callee3 ("] |
| 118 | set line_callee3_close_brace [expr $line_callee3_head + 3] |
| 119 | |
| 120 | # Continue execution until the watchpoint is reached, continue again, |
| 121 | # to see the watchpoint go out of scope. |
| 122 | # Does: |
| 123 | # -exec-continue (Here wp triggers) |
| 124 | # -exec-continue (Here wp goes out of scope) |
| 125 | |
| 126 | mi_execute_to "exec-continue" "watchpoint-trigger" "callee4" "" \ |
| 127 | ".*basics.c" $line_callee4_return_0 \ |
| 128 | {"" "wpt=\{number=\"2\",exp=\"C\"\},value=\{old=\".*\",new=\"3\"\}"} \ |
| 129 | "watchpoint trigger" |
| 130 | |
| 131 | mi_execute_to "exec-continue" "watchpoint-scope" "callee3" ".*" \ |
| 132 | ".*basics.c" $line_callee3_close_brace \ |
| 133 | {"" "wpnum=\"2\""} \ |
| 134 | "watchpoint trigger" |
| 135 | } |
| 136 | |
| 137 | proc test_watchpoint_all {mi_mode type} { |
| 138 | upvar srcdir srcdir |
| 139 | upvar subdir subdir |
| 140 | upvar binfile binfile |
| 141 | |
| 142 | if {$type == "hw" && [target_info exists gdb,no_hardware_watchpoints] } { |
| 143 | return |
| 144 | } |
| 145 | |
| 146 | mi_gdb_exit |
| 147 | |
| 148 | if {$mi_mode == "separate"} { |
| 149 | set start_ops "separate-mi-tty" |
| 150 | } else { |
| 151 | set start_ops "" |
| 152 | } |
| 153 | if [mi_gdb_start $start_ops] { |
| 154 | return |
| 155 | } |
| 156 | |
| 157 | if {$type == "sw"} { |
| 158 | set option 0 |
| 159 | } else { |
| 160 | set option 1 |
| 161 | } |
| 162 | mi_gdb_test "567-gdb-set can-use-hw-watchpoints $option" \ |
| 163 | "567\\^done" \ |
| 164 | "hw watchpoints toggle" |
| 165 | |
| 166 | mi_delete_breakpoints |
| 167 | mi_gdb_reinitialize_dir $srcdir/$subdir |
| 168 | mi_gdb_load ${binfile} |
| 169 | |
| 170 | mi_runto callee4 |
| 171 | test_watchpoint_creation_and_listing |
| 172 | #test_rwatch_creation_and_listing |
| 173 | #test_awatch_creation_and_listing |
| 174 | test_watchpoint_triggering |
| 175 | } |
| 176 | |
| 177 | if [gdb_debug_enabled] { |
| 178 | # gdb debug doesn't work for separate-mi-tty. |
| 179 | set modes {"main"} |
| 180 | } else { |
| 181 | set modes {"main" "separate"} |
| 182 | } |
| 183 | |
| 184 | # Run the tests twice, once using software watchpoints, and another |
| 185 | # with hardware watchpoints. |
| 186 | foreach_with_prefix mi-mode $modes { |
| 187 | foreach_with_prefix wp-type {"sw" "hw"} { |
| 188 | test_watchpoint_all ${mi-mode} ${wp-type} |
| 189 | } |
| 190 | } |