# Copyright 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008 # Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # Test essential Machine interface (MI) operations # # Verify that, using the MI, we can run a simple program and perform basic # debugging activities like: insert breakpoints, run the program, # step, next, continue until it ends and, last but not least, quit. # # The goal is not to test gdb functionality, which is done by other tests, # but to verify the correct output response to MI operations. # load_lib mi-support.exp set MIFLAGS "-i=mi" gdb_exit if [mi_gdb_start] { continue } set testfile "basics" set srcfile ${testfile}.c set binfile ${objdir}/${subdir}/${testfile} if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } { untested mi-watch.exp return -1 } proc test_watchpoint_creation_and_listing {type} { global mi_gdb_prompt global srcfile global hex set line_callee4_head [gdb_get_line_number "callee4 ("] set line_callee4_body [expr $line_callee4_head + 2] # Insert a watchpoint and list # Tests: # -break-watch C # -break-list mi_gdb_test "111-break-watch C" \ "111\\^done,wpt=\{number=\"2\",exp=\"C\"\}" \ "break-watch operation" mi_gdb_test "222-break-list" \ "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\",addr=\"\",what=\"C\",times=\"0\",original-location=\"C\"\}\\\]\}" \ "list of watchpoints" } # UNUSED at the time proc test_awatch_creation_and_listing {type} { global mi_gdb_prompt global srcfile global hex set line_main_head [gdb_get_line_number "main ("] set line_main_body [expr $line_main_head + 2] # Insert an access watchpoint and list it # Tests: # -break-watch -a A # -break-list mi_gdb_test "333-break-watch -a A" \ "333\\^done,bkpt=\{number=\"1\",addr=\"$hex\",file=\".*basics.c\",line=\"$line_main_body\"\}" \ "break-watch -a operation" mi_gdb_test "444-break-list" \ "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\",times=\"0\"\},.*\}\\\]\}" \ "list of watchpoints awatch" mi_gdb_test "777-break-delete 3" \ "777\\^done" \ "delete access watchpoint" } # UNUSED at the time proc test_rwatch_creation_and_listing {type} { global mi_gdb_prompt global srcfile global hex set line_main_head [gdb_get_line_number "main ("] set line_main_body [expr $line_main_head + 2] # Insert a read watchpoint and list it. # Tests: # -break-insert -r B # -break-list mi_gdb_test "200-break-watch -r C" \ "200\\^done,bkpt=\{number=\"5\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"callee4\",file=\".*basics.c\",line=\"$line_main_body\",times=\"0\"\}" \ "break-insert -r operation" mi_gdb_test "300-break-list" \ "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\",times=\"0\"\},.*\}\\\}\}" \ "list of breakpoints" mi_gdb_test "177-break-delete 4" \ "177\\^done" \ "delete read watchpoint" } proc test_watchpoint_triggering {type} { global mi_gdb_prompt global hex fullname_syntax srcfile set line_callee4_return_0 [gdb_get_line_number "return 0;"] set line_callee3_head [gdb_get_line_number "callee3 ("] set line_callee3_close_brace [expr $line_callee3_head + 3] # Continue execution until the watchpoint is reached, continue again, # to see the watchpoint go out of scope. # Does: # -exec-continue (Here wp triggers) # -exec-continue (Here wp goes out of scope) mi_execute_to "exec-continue" "watchpoint-trigger" "callee4" "" \ ".*basics.c" $line_callee4_return_0 \ {"" "wpt=\{number=\"2\",exp=\"C\"\},value=\{old=\".*\",new=\"3\"\}"} \ "watchpoint trigger" if { $type == "sw" } { setup_xfail *-*-* } mi_execute_to "exec-continue" "watchpoint-scope" "callee3" ".*" \ ".*basics.c" $line_callee3_close_brace \ {"" "wpnum=\"2\""} \ "watchpoint trigger" clear_xfail *-*-* } proc test_watchpoint_all {type} { global pf_prefix upvar srcdir srcdir upvar subdir subdir upvar binfile binfile set old_prefix $pf_prefix lappend pf_prefix "$type:" mi_delete_breakpoints mi_gdb_reinitialize_dir $srcdir/$subdir mi_gdb_load ${binfile} mi_runto callee4 test_watchpoint_creation_and_listing $type #test_rwatch_creation_and_listing $type #test_awatch_creation_and_listing $type test_watchpoint_triggering $type set pf_prefix $old_prefix } # Run the tests twice, once using software watchpoints... mi_gdb_test "567-gdb-set can-use-hw-watchpoints 0" \ "567\\^done" \ "hw watchpoints toggle (1)" test_watchpoint_all sw mi_gdb_exit # ... and unless requested otherwise... if [target_info exists gdb,no_hardware_watchpoints] { return 0 } mi_gdb_start # ... once using hardware watchpoints (if available). mi_gdb_test "890-gdb-set can-use-hw-watchpoints 1" \ "890\\^done" \ "hw watchpoints toggle (2)" test_watchpoint_all hw mi_gdb_exit return 0