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|
# Copyright (C) 2010-2021 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/>.
# This file is part of the GDB testsuite. It tests the mechanism
# exposing breakpoints to Python.
load_lib gdb-python.exp
standard_testfile
set options {debug c++}
if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} ${options}] } {
return -1
}
# Skip all tests if Python scripting is not enabled.
if { [skip_python_tests] } { continue }
proc_with_prefix test_bkpt_basic { } {
global srcfile testfile hex decimal
# Start with a fresh gdb.
clean_restart ${testfile}
# We should start with no breakpoints.
gdb_test "python print (gdb.breakpoints())" "\\(\\)"
if ![runto_main] then {
fail "cannot run to main."
return 0
}
# Now there should be one breakpoint: main.
gdb_py_test_silent_cmd "python blist = gdb.breakpoints()" \
"Get Breakpoint List" 0
gdb_test "python print (blist\[0\])" \
"<gdb.Breakpoint object at $hex>" "Check obj exists @main"
gdb_test "python print (blist\[0\].location)" \
"main." "Check breakpoint location @main"
gdb_test "python print (blist\[0\].pending)" "False" \
"Check pending status of main breakpoint"
set mult_line [gdb_get_line_number "Break at multiply."]
gdb_breakpoint ${mult_line}
gdb_continue_to_breakpoint "Break at multiply" \
".*Break at multiply.*"
# Check that the Python breakpoint code noted the addition of a
# breakpoint "behind the scenes".
gdb_py_test_silent_cmd "python blist = gdb.breakpoints()" \
"Get Breakpoint List" 0
gdb_test "python print (len(blist))" \
"2" "Check for two breakpoints"
gdb_test "python print (blist\[0\])" \
"<gdb.Breakpoint object at $hex>" "Check obj exists @main 2"
gdb_test "python print (blist\[0\].location)" \
"main." "Check breakpoint location @main 2"
gdb_test "python print (blist\[1\])" \
"<gdb.Breakpoint object at $hex>" "Check obj exists @mult_line"
gdb_test "python print (blist\[1\].location)" \
"py-breakpoint\.c:${mult_line}*" \
"check breakpoint location @mult_line"
# Check hit and ignore counts.
gdb_test "python print (blist\[1\].hit_count)" \
"1" "Check breakpoint hit count @1"
gdb_py_test_silent_cmd "python blist\[1\].ignore_count = 4" \
"Set breakpoint hit count" 0
gdb_continue_to_breakpoint "Break at multiply @6" \
".*Break at multiply.*"
gdb_test "python print (blist\[1\].hit_count)" \
"6" "Check breakpoint hit count @6"
gdb_test "print result" \
" = 545" "Check expected variable result after 6 iterations"
# Test breakpoint is enabled and disabled correctly..
gdb_breakpoint [gdb_get_line_number "Break at add."]
gdb_continue_to_breakpoint "Break at add 1" ".*Break at add.*"
gdb_test "python print (blist\[1\].enabled)" \
"True" "Check breakpoint enabled."
gdb_py_test_silent_cmd "python blist\[1\].enabled = False" \
"Set breakpoint disabled." 0
gdb_continue_to_breakpoint "Break at add 2" ".*Break at add.*"
gdb_py_test_silent_cmd "python blist\[1\].enabled = True" \
"Set breakpoint enabled." 0
gdb_continue_to_breakpoint "Break at multiply after re-enable" \
".*Break at multiply.*"
# Test other getters and setters.
gdb_py_test_silent_cmd "python blist = gdb.breakpoints()" \
"Get Breakpoint List" 0
gdb_test "python print (blist\[1\].thread)" \
"None" "Check breakpoint thread"
gdb_test "python print (blist\[1\].type == gdb.BP_BREAKPOINT)" \
"True" "Check breakpoint type"
gdb_test "python print (blist\[0\].number)" \
"1" "Check breakpoint number 0"
gdb_test "python print (blist\[1\].number)" \
"2" "Check breakpoint number 1"
gdb_test "python print (blist\[2\].number)" \
"3" "Check breakpoint number 2"
}
proc_with_prefix test_bkpt_deletion { } {
global srcfile testfile hex decimal
# Start with a fresh gdb.
clean_restart ${testfile}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
# Test breakpoints are deleted correctly.
set deltst_location [gdb_get_line_number "Break at multiply."]
set end_location [gdb_get_line_number "Break at end."]
gdb_py_test_silent_cmd "python dp1 = gdb.Breakpoint (\"$deltst_location\")" \
"Set breakpoint" 0
gdb_breakpoint [gdb_get_line_number "Break at end."]
gdb_py_test_silent_cmd "python del_list = gdb.breakpoints()" \
"Get Breakpoint List" 0
gdb_test "python print (len(del_list))" \
"3" "Number of breakpoints before delete"
gdb_continue_to_breakpoint "Break at multiply." \
".*$srcfile:$deltst_location.*"
gdb_py_test_silent_cmd "python dp1.delete()" \
"Delete Breakpoint" 0
gdb_test "python print (dp1.number)" \
"RuntimeError: Breakpoint 2 is invalid.*" \
"Check breakpoint invalidated"
gdb_py_test_silent_cmd "python del_list = gdb.breakpoints()" \
"Get Breakpoint List" 0
gdb_test "python print (len(del_list))" \
"2" "Number of breakpoints after delete"
gdb_continue_to_breakpoint "Break at end." \
".*$srcfile:$end_location.*"
}
proc_with_prefix test_bkpt_cond_and_cmds { } {
global srcfile testfile hex decimal
# Start with a fresh gdb.
clean_restart ${testfile}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
# Test conditional setting.
set bp_location1 [gdb_get_line_number "Break at multiply."]
gdb_py_test_silent_cmd "python bp1 = gdb.Breakpoint (\"$bp_location1\")" \
"Set breakpoint" 0
gdb_continue_to_breakpoint "Break at multiply" \
".*Break at multiply.*"
gdb_py_test_silent_cmd "python bp1.condition = \"i == 5\"" \
"Set breakpoint" 0
gdb_test "python print (bp1.condition)" "i == 5" \
"Test conditional has been set"
gdb_continue_to_breakpoint "Break at multiply @5" \
".*Break at multiply.*"
gdb_test "print i" \
"5" "Test conditional breakpoint stopped after five iterations"
gdb_py_test_silent_cmd "python bp1.condition = None" \
"Clear condition" 0
gdb_test "python print (bp1.condition)" \
"None" "Test conditional read"
gdb_continue_to_breakpoint "Break at multiply @6" \
".*Break at multiply.*"
gdb_test "print i" \
"6" "Test breakpoint stopped after six iterations"
# Test commands.
gdb_breakpoint [gdb_get_line_number "Break at add."]
set test {commands $bpnum}
gdb_test_multiple $test $test { -re "\r\n>$" { pass $test } }
set test {print "Command for breakpoint has been executed."}
gdb_test_multiple $test $test { -re "\r\n>$" { pass $test } }
set test {print result}
gdb_test_multiple $test $test { -re "\r\n>$" { pass $test } }
gdb_test "end"
gdb_py_test_silent_cmd "python blist = gdb.breakpoints()" \
"Get Breakpoint List" 0
gdb_py_test_silent_cmd "python last_bp = blist\[len(blist)-1\]" \
"Find last breakpoint" 0
gdb_test "python print (last_bp.commands)" \
"print \"Command for breakpoint has been executed.\".*print result"
gdb_test_no_output "python last_bp.commands = 'echo hi\\necho there'" \
"set commands"
# Note the length is 3 because the string ends in a \n.
gdb_test "python print (len(last_bp.commands.split('\\n')))" "3" \
"check number of lines in commands"
}
proc_with_prefix test_bkpt_invisible { } {
global srcfile testfile hex decimal
# Start with a fresh gdb.
clean_restart ${testfile}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
delete_breakpoints
set ibp_location [gdb_get_line_number "Break at multiply."]
gdb_py_test_silent_cmd "python ibp = gdb.Breakpoint(\"$ibp_location\", internal=False)" \
"Set invisible breakpoint" 0
gdb_py_test_silent_cmd "python ilist = gdb.breakpoints()" \
"Get Breakpoint List" 0
gdb_test "python print (ilist\[0\])" \
"<gdb.Breakpoint object at $hex>" "Check invisible bp obj exists 1"
gdb_test "python print (ilist\[0\].location)" \
"py-breakpoint\.c:$ibp_location*" "Check breakpoint location 1"
gdb_test "python print (ilist\[0\].visible)" \
"True" "Check breakpoint visibility 1"
gdb_test "info breakpoints" "py-breakpoint\.c:$ibp_location.*" \
"Check info breakpoints shows visible breakpoints"
delete_breakpoints
gdb_py_test_silent_cmd "python ibp = gdb.Breakpoint(\"$ibp_location\", internal=True)" \
"Set invisible breakpoint" 0
gdb_py_test_silent_cmd "python ilist = gdb.breakpoints()" \
"Get Breakpoint List" 0
gdb_test "python print (ilist\[0\])" \
"<gdb.Breakpoint object at $hex>" "Check invisible bp obj exists 2"
gdb_test "python print (ilist\[0\].location)" \
"py-breakpoint\.c:$ibp_location*" "Check breakpoint location 2"
gdb_test "python print (ilist\[0\].visible)" \
"False" "Check breakpoint visibility 2"
gdb_test "info breakpoints" "No breakpoints or watchpoints.*" \
"Check info breakpoints does not show invisible breakpoints"
gdb_test "maint info breakpoints" \
"py-breakpoint\.c:$ibp_location.*" \
"Check maint info breakpoints shows invisible breakpoints"
}
proc_with_prefix test_hardware_breakpoints { } {
global srcfile testfile hex decimal
# Skip these tests if the HW does not support hardware breakpoints.
if { [skip_hw_breakpoint_tests] } { return 0 }
# Start with a fresh gdb.
clean_restart ${testfile}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
delete_breakpoints
gdb_test "python hbp1 = gdb.Breakpoint(\"add\", type=gdb.BP_HARDWARE_BREAKPOINT)" \
".*Hardware assisted breakpoint ($decimal)+ at .*$srcfile, line ($decimal)+\." \
"Set hardware breakpoint"
gdb_test "python print (gdb.breakpoints()\[0\].type == gdb.BP_HARDWARE_BREAKPOINT)" \
"True" "Check hardware breakpoint type"
gdb_test "continue" \
".*Breakpoint ($decimal)+, add.*" \
"Test hardware breakpoint stop"
}
proc_with_prefix test_watchpoints { } {
global srcfile testfile hex decimal
# Start with a fresh gdb.
clean_restart ${testfile}
# Disable hardware watchpoints if necessary.
if [target_info exists gdb,no_hardware_watchpoints] {
gdb_test_no_output "set can-use-hw-watchpoints 0" ""
}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
gdb_py_test_silent_cmd "python wp1 = gdb.Breakpoint (\"result\", type=gdb.BP_WATCHPOINT, wp_class=gdb.WP_WRITE )" \
"Set watchpoint" 0
gdb_test "python print (wp1.pending)" "False"
gdb_test "continue" \
".*\[Ww\]atchpoint.*result.*Old value = 0.*New value = 25.*main.*" \
"Test watchpoint write"
}
proc_with_prefix test_bkpt_internal { } {
global srcfile testfile hex decimal
# Start with a fresh gdb.
clean_restart ${testfile}
# Disable hardware watchpoints if necessary.
if [target_info exists gdb,no_hardware_watchpoints] {
gdb_test_no_output "set can-use-hw-watchpoints 0" ""
}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
delete_breakpoints
gdb_py_test_silent_cmd "python wp1 = gdb.Breakpoint (\"result\", type=gdb.BP_WATCHPOINT, wp_class=gdb.WP_WRITE, internal=True )" \
"Set watchpoint" 0
gdb_test "info breakpoints" \
"No breakpoints or watchpoints.*" \
"Check info breakpoints does not show invisible breakpoints"
gdb_test "maint info breakpoints" \
".*watchpoint.*result.*" \
"Check maint info breakpoints shows invisible breakpoints"
gdb_test "continue" \
".*\[Ww\]atchpoint.*result.*Old value = 0.*New value = 25.*" \
"Test watchpoint write"
}
proc_with_prefix test_bkpt_eval_funcs { } {
global srcfile testfile hex decimal
# Start with a fresh gdb.
clean_restart ${testfile}
# Disable hardware watchpoints if necessary.
if [target_info exists gdb,no_hardware_watchpoints] {
gdb_test_no_output "set can-use-hw-watchpoints 0" ""
}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
delete_breakpoints
gdb_test_multiline "Sub-class a breakpoint" \
"python" "" \
"class bp_eval (gdb.Breakpoint):" "" \
" inf_i = 0" "" \
" count = 0" "" \
" def stop (self):" "" \
" self.count = self.count + 1" "" \
" self.inf_i = gdb.parse_and_eval(\"i\")" "" \
" if self.inf_i == 3:" "" \
" return True" "" \
" return False" "" \
"end" ""
gdb_test_multiline "Sub-class a second breakpoint" \
"python" "" \
"class bp_also_eval (gdb.Breakpoint):" "" \
" count = 0" "" \
" def stop (self):" "" \
" self.count = self.count + 1" "" \
" if self.count == 9:" "" \
" return True" "" \
" return False" "" \
"end" ""
gdb_test_multiline "Sub-class a third breakpoint" \
"python" "" \
"class basic (gdb.Breakpoint):" "" \
" count = 0" "" \
"end" ""
set bp_location2 [gdb_get_line_number "Break at multiply."]
set end_location [gdb_get_line_number "Break at end."]
gdb_py_test_silent_cmd "python eval_bp1 = bp_eval(\"$bp_location2\")" \
"Set breakpoint" 0
gdb_py_test_silent_cmd "python also_eval_bp1 = bp_also_eval(\"$bp_location2\")" \
"Set breakpoint" 0
gdb_py_test_silent_cmd "python never_eval_bp1 = bp_also_eval(\"$end_location\")" \
"Set breakpoint" 0
gdb_continue_to_breakpoint "Break at multiply, i==3" \
".*$srcfile:$bp_location2.*"
gdb_test "print i" \
"3" "Check inferior value matches python accounting"
gdb_test "python print (eval_bp1.inf_i)" \
"3" "Check python accounting matches inferior"
gdb_test "python print (also_eval_bp1.count)" "4" \
"Check non firing same-location also_eval_bp1 function was also called at each stop."
gdb_test "python print (eval_bp1.count)" "4" \
"Check non firing same-location eval_bp1 function was also called at each stop."
delete_breakpoints
set cond_bp [gdb_get_line_number "Break at multiply."]
gdb_py_test_silent_cmd "python eval_bp1 = bp_eval(\"$cond_bp\")" \
"Set breakpoint" 0
set test_cond {cond $bpnum}
gdb_test "$test_cond \"foo==3\"" \
"Only one stop condition allowed. There is currently a Python.*" \
"Check you cannot add a CLI condition to a Python breakpoint that has defined stop"
gdb_py_test_silent_cmd "python eval_bp2 = basic(\"$cond_bp\")" \
"Set breakpoint" 0
gdb_py_test_silent_cmd "python eval_bp2.condition = \"1==1\"" \
"Set a condition" 0
gdb_test_multiline "Construct an eval function" \
"python" "" \
"def stop_func ():" "" \
" return True" "" \
"end" ""
gdb_test "python eval_bp2.stop = stop_func" \
"RuntimeError: Only one stop condition allowed. There is currently a GDB.*" \
"assign stop function to a breakpoint that has a condition"
delete_breakpoints
gdb_breakpoint [gdb_get_line_number "Break at multiply."]
gdb_py_test_silent_cmd "python check_eval = bp_eval(\"$bp_location2\")" \
"Set breakpoint" 0
gdb_test "python print (check_eval.count)" "0" \
"Test that evaluate function has not been yet executed (ie count = 0)"
gdb_continue_to_breakpoint "Break at multiply, count==1" \
".*$srcfile:$bp_location2.*"
gdb_test "python print (check_eval.count)" "1" \
"Test that evaluate function is run when location also has normal bp"
gdb_test_multiline "Sub-class a watchpoint" \
"python" "" \
"class wp_eval (gdb.Breakpoint):" "" \
" def stop (self):" "" \
" self.result = gdb.parse_and_eval(\"result\")" "" \
" if self.result == 788:" "" \
" return True" "" \
" return False" "" \
"end" ""
delete_breakpoints
gdb_py_test_silent_cmd "python wp1 = wp_eval (\"result\", type=gdb.BP_WATCHPOINT, wp_class=gdb.WP_WRITE)" \
"Set watchpoint" 0
gdb_test "continue" \
".*\[Ww\]atchpoint.*result.*Old value =.*New value = 788.*" \
"Test watchpoint write"
gdb_test "python print (never_eval_bp1.count)" "0" \
"Check that this unrelated breakpoints eval function was never called."
}
proc_with_prefix test_bkpt_temporary { } {
global srcfile testfile hex decimal
# Start with a fresh gdb.
clean_restart ${testfile}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
delete_breakpoints
gdb_test_multiline "Sub-class and check temporary breakpoint" \
"python" "" \
"class temp_bp (gdb.Breakpoint):" "" \
" count = 0" "" \
" def stop (self):" "" \
" self.count = self.count + 1" "" \
" return True" "" \
"end" ""
set ibp_location [gdb_get_line_number "Break at multiply."]
gdb_py_test_silent_cmd "python ibp = temp_bp(\"$ibp_location\", temporary=True)" \
"Set temporary breakpoint" 0
gdb_test "info breakpoints" \
"2.*breakpoint.*del.*py-breakpoint\.c:$ibp_location.*" \
"Check info breakpoints shows breakpoint with temporary status"
gdb_test "python print (ibp.location)" "py-breakpoint\.c:$ibp_location*" \
"Check temporary breakpoint location"
gdb_test "python print (ibp.temporary)" "True" \
"Check breakpoint temporary status"
gdb_continue_to_breakpoint "Break at multiply." \
".*$srcfile:$ibp_location.*"
gdb_test "python print (ibp.count)" "1" \
"Check temporary stop callback executed before deletion."
gdb_test "python print (ibp.temporary)" "RuntimeError: Breakpoint 2 is invalid.*" \
"Check temporary breakpoint is deleted after being hit"
gdb_test "info breakpoints" "No breakpoints or watchpoints.*" \
"Check info breakpoints shows temporary breakpoint is deleted"
}
# Test address locations.
proc_with_prefix test_bkpt_address {} {
global gdb_prompt decimal srcfile
# Delete all breakpoints
delete_breakpoints
gdb_test "python gdb.Breakpoint(\"*main\")" \
".*Breakpoint ($decimal)+ at .*$srcfile, line ($decimal)+\."
gdb_py_test_silent_cmd \
"python main_loc = gdb.parse_and_eval(\"main\").address" \
"eval address of main" 0
# Python 2 vs 3 ... Check `int' first. If that fails, try `long'.
gdb_test_multiple "python main_addr = int(main_loc)" "int value of main" {
-re "Traceback.*$gdb_prompt $" {
gdb_test_no_output "python main_addr = long(main_loc)" \
"long value of main"
}
-re "$gdb_prompt $" {
pass "int value of main"
}
}
# Include whitespace in the linespec to double-check proper
# grokking of argument to gdb.Breakpoint.
gdb_test "python gdb.Breakpoint(\" *{}\".format(str(main_addr)))" \
".*Breakpoint ($decimal)+ at .*$srcfile, line ($decimal)+\."
}
proc_with_prefix test_bkpt_pending {} {
delete_breakpoints
gdb_breakpoint "nosuchfunction" allow-pending
gdb_test "python print (gdb.breakpoints()\[0\].pending)" "True" \
"Check pending status of pending breakpoint"
}
# Helper proc to install an event listener for a given breakpoint
# event. NAME is the name of the event to listen for.
proc connect_event {name} {
set lambda "lambda x: note_event(\"$name\")"
gdb_test_no_output "python gdb.events.$name.connect($lambda)" \
"install $name event listener"
}
# Helper proc to check that the most recently emitted breakpoint event
# is EXPECTED.
proc check_last_event {expected} {
gdb_test "python print (last_bp_event)" $expected \
"check for $expected event"
}
proc_with_prefix test_bkpt_events {} {
global testfile
clean_restart ${testfile}
gdb_test_multiline "Create event handler" \
"python" "" \
"def note_event(arg):" "" \
" global last_bp_event" "" \
" last_bp_event = arg" "" \
"end" ""
gdb_test_no_output "python last_bp_event = None"
connect_event breakpoint_created
connect_event breakpoint_modified
connect_event breakpoint_deleted
gdb_breakpoint [gdb_get_line_number "Break at add."]
check_last_event breakpoint_created
gdb_test_no_output "disable 1"
check_last_event breakpoint_modified
gdb_test_no_output "delete 1"
check_last_event breakpoint_deleted
}
proc_with_prefix test_bkpt_explicit_loc {} {
global srcfile testfile
# Start with a fresh gdb.
clean_restart ${testfile}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
delete_breakpoints
set bp_location1 [gdb_get_line_number "Break at multiply."]
set bp_location2 [gdb_get_line_number "Break at add."]
gdb_py_test_silent_cmd "python bp1 = gdb.Breakpoint (line=$bp_location1)" \
"set explicit breakpoint by line" 0
gdb_continue_to_breakpoint "break at multiply for explicit line" \
".*Break at multiply.*"
gdb_py_test_silent_cmd "python bp1 = gdb.Breakpoint (line=\"+1\")" \
"set explicit breakpoint by relative line" 0
gdb_continue_to_breakpoint "break at add for relative line" \
".*Break at add.*"
delete_breakpoints
gdb_py_test_silent_cmd "python bp1 = gdb.Breakpoint (line=\"-1\")" \
"set explicit breakpoint by relative negative line" 0
gdb_continue_to_breakpoint "break at multiply for negative line" \
".*Break at multiply.*"
delete_breakpoints
gdb_test "python bp1 = gdb.Breakpoint (line=bp1)" \
"RuntimeError: Line keyword should be an integer or a string.*" \
"set explicit breakpoint by invalid line type"
delete_breakpoints
gdb_py_test_silent_cmd "python bp1 = gdb.Breakpoint (function=\"add\")" \
"set explicit breakpoint by function" 0
gdb_continue_to_breakpoint "break at function add for function" \
".*Break at function add.*"
delete_breakpoints
gdb_py_test_silent_cmd "python bp1 = gdb.Breakpoint (source=\"$srcfile\", function=\"add\")" \
"set explicit breakpoint by source file and function" 0
gdb_continue_to_breakpoint "break at function add for source and function" \
".*Break at function add.*"
delete_breakpoints
gdb_py_test_silent_cmd "python bp1 = gdb.Breakpoint (source=\"$srcfile\", line=\"$bp_location2\")" \
"set explicit breakpoint by source file and line number" 0
gdb_continue_to_breakpoint "break at add for source and line" \
".*Break at add.*"
delete_breakpoints
gdb_py_test_silent_cmd "python bp1 = gdb.Breakpoint (\"-source $srcfile -line $bp_location2\")" \
"set explicit breakpoint by source file and line number in spec" 0
gdb_continue_to_breakpoint "break at add for source and line in spec" \
".*Break at add.*"
delete_breakpoints
gdb_test "python bp1 = gdb.Breakpoint (source=\"$srcfile\")" \
"RuntimeError: Specifying a source must also include a line, label or function.*" \
"set invalid explicit breakpoint by source only"
gdb_test "python bp1 = gdb.Breakpoint (source=\"foo.c\", line=\"5\")" \
"No source file named foo.*" \
"set invalid explicit breakpoint by missing source and line"
gdb_test "python bp1 = gdb.Breakpoint (source=\"$srcfile\", line=\"900\")" \
"No line 900 in file \"$srcfile\".*" \
"set invalid explicit breakpoint by source and invalid line"
gdb_test "python bp1 = gdb.Breakpoint (function=\"blah\")" \
"Function \"blah\" not defined.*" \
"set invalid explicit breakpoint by missing function"
delete_breakpoints
gdb_test "catch throw" "Catchpoint .* \\(throw\\)"
gdb_test "python print (gdb.breakpoints())" \
"\(\)" \
"catch throw is not a breakpoint"
}
proc_with_prefix test_bkpt_qualified {} {
global decimal hex testfile
# Start with a fresh gdb.
clean_restart ${testfile}
set one_location_re "Breakpoint $decimal at $hex:.*line $decimal."
set two_location_re "Breakpoint $decimal at $hex:.*2 locations."
if ![runto_main] then {
fail "cannot run to main."
return 0
}
# Test the default value of "qualified".
delete_breakpoints
gdb_test \
"python gdb.Breakpoint(\"multiply\")" \
$two_location_re \
"qualified implicitly false"
# Test qualified=False.
delete_breakpoints
gdb_test \
"python gdb.Breakpoint(\"multiply\", qualified=False)" \
$two_location_re \
"qualified false"
# Test qualified=True.
delete_breakpoints
gdb_test \
"python gdb.Breakpoint(\"multiply\", qualified=True)" \
$one_location_re \
"qualified true"
# Test qualified=True with an explicit function.
delete_breakpoints
gdb_test \
"python gdb.Breakpoint(function=\"multiply\", qualified=True)" \
$one_location_re \
"qualified true and explicit"
# Test qualified=False with an explicit function.
delete_breakpoints
gdb_test \
"python gdb.Breakpoint(function=\"multiply\", qualified=False)" \
$two_location_re \
"qualified false and explicit"
# Test -q in the spec string.
delete_breakpoints
gdb_test \
"python gdb.Breakpoint(\"-q multiply\")" \
$one_location_re \
"-q in spec string"
# Test -q in the spec string with explicit location.
delete_breakpoints
gdb_test \
"python gdb.Breakpoint(\"-q -function multiply\")" \
$one_location_re \
"-q in spec string with explicit location"
# Test -q in the spec string and qualified=False (-q should win).
delete_breakpoints
gdb_test \
"python gdb.Breakpoint(\"-q multiply\", qualified=False)" \
$one_location_re \
"-q in spec string and qualified false"
}
proc_with_prefix test_bkpt_probe {} {
global decimal hex testfile srcfile
if { [prepare_for_testing "failed to prepare" ${testfile}-probes \
${srcfile} {debug c++ additional_flags=-DUSE_PROBES}] } {
return -1
}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
gdb_test \
"python gdb.Breakpoint(\"-probe test:result_updated\")" \
"Breakpoint $decimal at $hex" \
"-probe in spec string"
}
proc_with_prefix test_catchpoints {} {
global srcfile testfile
global gdb_prompt decimal
# Start with a fresh gdb.
clean_restart ${testfile}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
# Try to create a catchpoint, currently this isn't supported via
# the python api.
gdb_test "python gdb.Breakpoint (\"syscall\", type=gdb.BP_CATCHPOINT)" \
[multi_line \
"gdb.error: BP_CATCHPOINT not supported" \
"Error while executing Python code\\."] \
"create a catchpoint via the api"
# Setup a catchpoint.
set num "XXX"
gdb_test_multiple "catch throw" "" {
-re "The feature \'catch throw\' is not supported.*\r\n$gdb_prompt $" {
unsupported "catch syscall isn't supported"
return -1
}
-re "Catchpoint ($decimal) \\(throw\\)\r\n$gdb_prompt $" {
set num $expect_out(1,string)
pass $gdb_test_name
}
}
# Look for the catchpoint in the breakpoint list.
gdb_test_multiline "scan breakpoint list for BP_CATCHPOINT" \
"python" "" \
"def scan_bp_list ():" "" \
" for b in gdb.breakpoints():" "" \
" if b.type == gdb.BP_CATCHPOINT:" "" \
" print(\"breakpoint #%d, type BP_CATCHPOINT\" % b.number)" "" \
"end" ""
gdb_test "python scan_bp_list ()" \
"breakpoint #${num}, type BP_CATCHPOINT" \
"scan breakpoint for BP_CATCHPOINT"
# Arrange to print something when GDB stops, then continue to the
# catchpoint and check we get the expected event.
gdb_test_multiline "setup stop event handler" \
"python" "" \
"def stop_handler (event):" "" \
" if (isinstance (event, gdb.BreakpointEvent)" "" \
" and isinstance (event.breakpoint, gdb.Breakpoint)" "" \
" and event.breakpoint.type == gdb.BP_CATCHPOINT):" "" \
" print (\"Stopped at catchpoint event: %d\" % event.breakpoint.number)" "" \
"end" "" \
"python gdb.events.stop.connect (stop_handler)" ""
gdb_test "continue" "Stopped at catchpoint event: ${num}"
}
# Test auto-disable is effective when notifying breakpoint_modified.
proc_with_prefix test_bkpt_auto_disable { } {
global srcfile testfile hex decimal
# Start with a fresh gdb.
clean_restart ${testfile}
if ![runto_main] then {
fail "cannot run to main."
return 0
}
delete_breakpoints
set mult_line [gdb_get_line_number "Break at multiply."]
gdb_breakpoint ${mult_line}
gdb_test_no_output "enable count 1 2" "one shot enable"
gdb_test_no_output "python gdb.events.breakpoint_modified.connect(lambda bp: print(bp.enabled))" \
"trap breakpoint_modified event"
gdb_test "continue" "False.*" "auto-disabling after enable count reached"
}
test_bkpt_basic
test_bkpt_deletion
test_bkpt_cond_and_cmds
test_bkpt_invisible
test_hardware_breakpoints
test_catchpoints
test_watchpoints
test_bkpt_internal
test_bkpt_eval_funcs
test_bkpt_temporary
test_bkpt_address
test_bkpt_pending
test_bkpt_events
test_bkpt_explicit_loc
test_bkpt_qualified
test_bkpt_probe
test_bkpt_auto_disable
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