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# Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011
# 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=mi2"
gdb_exit
if [mi_gdb_start] {
continue
}
set testfile "basics"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/mi2-watch
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {
untested mi2-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
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
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