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61baf725ec
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
561 lines
19 KiB
Plaintext
561 lines
19 KiB
Plaintext
# Copyright (C) 2010-2017 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file is part of the GDB testsuite. It tests the mechanism
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# exposing breakpoints to Python.
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load_lib gdb-python.exp
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standard_testfile
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if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
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return -1
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}
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# Skip all tests if Python scripting is not enabled.
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if { [skip_python_tests] } { continue }
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proc test_bkpt_basic { } {
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global srcfile testfile hex decimal
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with_test_prefix "test_bkpt_basic" {
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# Start with a fresh gdb.
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clean_restart ${testfile}
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# We should start with no breakpoints.
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gdb_test "python print (gdb.breakpoints())" "\\(\\)"
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if ![runto_main] then {
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fail "cannot run to main."
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return 0
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}
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# Now there should be one breakpoint: main.
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gdb_py_test_silent_cmd "python blist = gdb.breakpoints()" \
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"Get Breakpoint List" 0
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gdb_test "python print (blist\[0\])" \
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"<gdb.Breakpoint object at $hex>" "Check obj exists @main"
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gdb_test "python print (blist\[0\].location)" \
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"main." "Check breakpoint location @main"
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gdb_test "python print (blist\[0\].pending)" "False" \
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"Check pending status of main breakpoint"
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set mult_line [gdb_get_line_number "Break at multiply."]
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gdb_breakpoint ${mult_line}
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gdb_continue_to_breakpoint "Break at multiply" \
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".*Break at multiply.*"
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# Check that the Python breakpoint code noted the addition of a
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# breakpoint "behind the scenes".
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gdb_py_test_silent_cmd "python blist = gdb.breakpoints()" \
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"Get Breakpoint List" 0
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gdb_test "python print (len(blist))" \
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"2" "Check for two breakpoints"
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gdb_test "python print (blist\[0\])" \
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"<gdb.Breakpoint object at $hex>" "Check obj exists @main 2"
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gdb_test "python print (blist\[0\].location)" \
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"main." "Check breakpoint location @main 2"
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gdb_test "python print (blist\[1\])" \
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"<gdb.Breakpoint object at $hex>" "Check obj exists @mult_line"
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gdb_test "python print (blist\[1\].location)" \
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"py-breakpoint\.c:${mult_line}*" \
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"check breakpoint location @mult_line"
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# Check hit and ignore counts.
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gdb_test "python print (blist\[1\].hit_count)" \
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"1" "Check breakpoint hit count @1"
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gdb_py_test_silent_cmd "python blist\[1\].ignore_count = 4" \
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"Set breakpoint hit count" 0
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gdb_continue_to_breakpoint "Break at multiply @6" \
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".*Break at multiply.*"
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gdb_test "python print (blist\[1\].hit_count)" \
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"6" "Check breakpoint hit count @6"
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gdb_test "print result" \
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" = 545" "Check expected variable result after 6 iterations"
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# Test breakpoint is enabled and disabled correctly..
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gdb_breakpoint [gdb_get_line_number "Break at add."]
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gdb_continue_to_breakpoint "Break at add 1" ".*Break at add.*"
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gdb_test "python print (blist\[1\].enabled)" \
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"True" "Check breakpoint enabled."
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gdb_py_test_silent_cmd "python blist\[1\].enabled = False" \
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"Set breakpoint disabled." 0
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gdb_continue_to_breakpoint "Break at add 2" ".*Break at add.*"
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gdb_py_test_silent_cmd "python blist\[1\].enabled = True" \
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"Set breakpoint enabled." 0
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gdb_continue_to_breakpoint "Break at multiply after re-enable" \
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".*Break at multiply.*"
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# Test other getters and setters.
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gdb_py_test_silent_cmd "python blist = gdb.breakpoints()" \
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"Get Breakpoint List" 0
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gdb_test "python print (blist\[1\].thread)" \
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"None" "Check breakpoint thread"
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gdb_test "python print (blist\[1\].type == gdb.BP_BREAKPOINT)" \
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"True" "Check breakpoint type"
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gdb_test "python print (blist\[0\].number)" \
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"1" "Check breakpoint number 0"
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gdb_test "python print (blist\[1\].number)" \
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"2" "Check breakpoint number 1"
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gdb_test "python print (blist\[2\].number)" \
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"3" "Check breakpoint number 2"
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}
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}
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proc test_bkpt_deletion { } {
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global srcfile testfile hex decimal
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with_test_prefix test_bkpt_deletion {
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# Start with a fresh gdb.
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clean_restart ${testfile}
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if ![runto_main] then {
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fail "cannot run to main."
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return 0
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}
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# Test breakpoints are deleted correctly.
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set deltst_location [gdb_get_line_number "Break at multiply."]
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set end_location [gdb_get_line_number "Break at end."]
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gdb_py_test_silent_cmd "python dp1 = gdb.Breakpoint (\"$deltst_location\")" \
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"Set breakpoint" 0
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gdb_breakpoint [gdb_get_line_number "Break at end."]
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gdb_py_test_silent_cmd "python del_list = gdb.breakpoints()" \
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"Get Breakpoint List" 0
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gdb_test "python print (len(del_list))" \
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"3" "Number of breakpoints before delete"
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gdb_continue_to_breakpoint "Break at multiply." \
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".*$srcfile:$deltst_location.*"
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gdb_py_test_silent_cmd "python dp1.delete()" \
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"Delete Breakpoint" 0
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gdb_test "python print (dp1.number)" \
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"RuntimeError: Breakpoint 2 is invalid.*" \
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"Check breakpoint invalidated"
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gdb_py_test_silent_cmd "python del_list = gdb.breakpoints()" \
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"Get Breakpoint List" 0
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gdb_test "python print (len(del_list))" \
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"2" "Number of breakpoints after delete"
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gdb_continue_to_breakpoint "Break at end." \
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".*$srcfile:$end_location.*"
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}
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}
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proc test_bkpt_cond_and_cmds { } {
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global srcfile testfile hex decimal
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with_test_prefix test_bkpt_cond_and_cmds {
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# Start with a fresh gdb.
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clean_restart ${testfile}
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if ![runto_main] then {
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fail "cannot run to main."
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return 0
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}
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# Test conditional setting.
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set bp_location1 [gdb_get_line_number "Break at multiply."]
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gdb_py_test_silent_cmd "python bp1 = gdb.Breakpoint (\"$bp_location1\")" \
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"Set breakpoint" 0
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gdb_continue_to_breakpoint "Break at multiply" \
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".*Break at multiply.*"
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gdb_py_test_silent_cmd "python bp1.condition = \"i == 5\"" \
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"Set breakpoint" 0
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gdb_test "python print (bp1.condition)" "i == 5" \
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"Test conditional has been set"
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gdb_continue_to_breakpoint "Break at multiply @5" \
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".*Break at multiply.*"
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gdb_test "print i" \
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"5" "Test conditional breakpoint stopped after five iterations"
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gdb_py_test_silent_cmd "python bp1.condition = None" \
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"Clear condition" 0
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gdb_test "python print (bp1.condition)" \
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"None" "Test conditional read"
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gdb_continue_to_breakpoint "Break at multiply @6" \
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".*Break at multiply.*"
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gdb_test "print i" \
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"6" "Test breakpoint stopped after six iterations"
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# Test commands.
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gdb_breakpoint [gdb_get_line_number "Break at add."]
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set test {commands $bpnum}
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gdb_test_multiple $test $test { -re "\r\n>$" { pass $test } }
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set test {print "Command for breakpoint has been executed."}
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gdb_test_multiple $test $test { -re "\r\n>$" { pass $test } }
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set test {print result}
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gdb_test_multiple $test $test { -re "\r\n>$" { pass $test } }
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gdb_test "end"
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gdb_py_test_silent_cmd "python blist = gdb.breakpoints()" \
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"Get Breakpoint List" 0
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gdb_test "python print (blist\[len(blist)-1\].commands)" \
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"print \"Command for breakpoint has been executed.\".*print result"
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}
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}
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proc test_bkpt_invisible { } {
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global srcfile testfile hex decimal
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with_test_prefix test_bkpt_invisible {
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# Start with a fresh gdb.
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clean_restart ${testfile}
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if ![runto_main] then {
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fail "cannot run to main."
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return 0
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}
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delete_breakpoints
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set ibp_location [gdb_get_line_number "Break at multiply."]
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gdb_py_test_silent_cmd "python ibp = gdb.Breakpoint(\"$ibp_location\", internal=False)" \
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"Set invisible breakpoint" 0
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gdb_py_test_silent_cmd "python ilist = gdb.breakpoints()" \
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"Get Breakpoint List" 0
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gdb_test "python print (ilist\[0\])" \
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"<gdb.Breakpoint object at $hex>" "Check invisible bp obj exists 1"
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gdb_test "python print (ilist\[0\].location)" \
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"py-breakpoint\.c:$ibp_location*" "Check breakpoint location 1"
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gdb_test "python print (ilist\[0\].visible)" \
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"True" "Check breakpoint visibility 1"
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gdb_test "info breakpoints" "py-breakpoint\.c:$ibp_location.*" \
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"Check info breakpoints shows visible breakpoints"
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delete_breakpoints
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gdb_py_test_silent_cmd "python ibp = gdb.Breakpoint(\"$ibp_location\", internal=True)" \
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"Set invisible breakpoint" 0
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gdb_py_test_silent_cmd "python ilist = gdb.breakpoints()" \
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"Get Breakpoint List" 0
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gdb_test "python print (ilist\[0\])" \
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"<gdb.Breakpoint object at $hex>" "Check invisible bp obj exists 2"
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gdb_test "python print (ilist\[0\].location)" \
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"py-breakpoint\.c:$ibp_location*" "Check breakpoint location 2"
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gdb_test "python print (ilist\[0\].visible)" \
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"False" "Check breakpoint visibility 2"
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gdb_test "info breakpoints" "No breakpoints or watchpoints.*" \
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"Check info breakpoints does not show invisible breakpoints"
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gdb_test "maint info breakpoints" \
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"py-breakpoint\.c:$ibp_location.*" \
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"Check maint info breakpoints shows invisible breakpoints"
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}
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}
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proc test_watchpoints { } {
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global srcfile testfile hex decimal
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with_test_prefix test_watchpoints {
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# Start with a fresh gdb.
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clean_restart ${testfile}
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# Disable hardware watchpoints if necessary.
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if [target_info exists gdb,no_hardware_watchpoints] {
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gdb_test_no_output "set can-use-hw-watchpoints 0" ""
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}
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if ![runto_main] then {
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fail "cannot run to main."
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return 0
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}
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gdb_py_test_silent_cmd "python wp1 = gdb.Breakpoint (\"result\", type=gdb.BP_WATCHPOINT, wp_class=gdb.WP_WRITE )" \
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"Set watchpoint" 0
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gdb_test "python print (wp1.pending)" "False"
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*result.*Old value = 0.*New value = 25.*main.*" \
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"Test watchpoint write"
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}
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}
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proc test_bkpt_internal { } {
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global srcfile testfile hex decimal
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with_test_prefix test_bkpt_internal {
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# Start with a fresh gdb.
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clean_restart ${testfile}
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# Disable hardware watchpoints if necessary.
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if [target_info exists gdb,no_hardware_watchpoints] {
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gdb_test_no_output "set can-use-hw-watchpoints 0" ""
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}
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if ![runto_main] then {
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fail "cannot run to main."
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return 0
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}
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delete_breakpoints
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gdb_py_test_silent_cmd "python wp1 = gdb.Breakpoint (\"result\", type=gdb.BP_WATCHPOINT, wp_class=gdb.WP_WRITE, internal=True )" \
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"Set watchpoint" 0
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gdb_test "info breakpoints" \
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"No breakpoints or watchpoints.*" \
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"Check info breakpoints does not show invisible breakpoints"
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gdb_test "maint info breakpoints" \
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".*watchpoint.*result.*" \
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"Check maint info breakpoints shows invisible breakpoints"
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*result.*Old value = 0.*New value = 25.*" \
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"Test watchpoint write"
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}
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}
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proc test_bkpt_eval_funcs { } {
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global srcfile testfile hex decimal
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with_test_prefix test_bkpt_eval_funcs {
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# Start with a fresh gdb.
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clean_restart ${testfile}
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# Disable hardware watchpoints if necessary.
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if [target_info exists gdb,no_hardware_watchpoints] {
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gdb_test_no_output "set can-use-hw-watchpoints 0" ""
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}
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if ![runto_main] then {
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fail "cannot run to main."
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return 0
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}
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delete_breakpoints
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gdb_py_test_multiple "Sub-class a breakpoint" \
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"python" "" \
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"class bp_eval (gdb.Breakpoint):" "" \
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" inf_i = 0" "" \
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" count = 0" "" \
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" def stop (self):" "" \
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" self.count = self.count + 1" "" \
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" self.inf_i = gdb.parse_and_eval(\"i\")" "" \
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" if self.inf_i == 3:" "" \
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" return True" "" \
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" return False" "" \
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"end" ""
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gdb_py_test_multiple "Sub-class a second breakpoint" \
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"python" "" \
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"class bp_also_eval (gdb.Breakpoint):" "" \
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" count = 0" "" \
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" def stop (self):" "" \
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" self.count = self.count + 1" "" \
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" if self.count == 9:" "" \
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" return True" "" \
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" return False" "" \
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"end" ""
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gdb_py_test_multiple "Sub-class a third breakpoint" \
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"python" "" \
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"class basic (gdb.Breakpoint):" "" \
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" count = 0" "" \
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"end" ""
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set bp_location2 [gdb_get_line_number "Break at multiply."]
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set end_location [gdb_get_line_number "Break at end."]
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gdb_py_test_silent_cmd "python eval_bp1 = bp_eval(\"$bp_location2\")" \
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"Set breakpoint" 0
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gdb_py_test_silent_cmd "python also_eval_bp1 = bp_also_eval(\"$bp_location2\")" \
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"Set breakpoint" 0
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gdb_py_test_silent_cmd "python never_eval_bp1 = bp_also_eval(\"$end_location\")" \
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"Set breakpoint" 0
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gdb_continue_to_breakpoint "Break at multiply, i==3" \
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".*$srcfile:$bp_location2.*"
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gdb_test "print i" \
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"3" "Check inferior value matches python accounting"
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gdb_test "python print (eval_bp1.inf_i)" \
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"3" "Check python accounting matches inferior"
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gdb_test "python print (also_eval_bp1.count)" "4" \
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"Check non firing same-location also_eval_bp1 function was also called at each stop."
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gdb_test "python print (eval_bp1.count)" "4" \
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"Check non firing same-location eval_bp1 function was also called at each stop."
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delete_breakpoints
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set cond_bp [gdb_get_line_number "Break at multiply."]
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gdb_py_test_silent_cmd "python eval_bp1 = bp_eval(\"$cond_bp\")" \
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"Set breakpoint" 0
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set test_cond {cond $bpnum}
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gdb_test "$test_cond \"foo==3\"" \
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"Only one stop condition allowed. There is currently a Python.*" \
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"Check you cannot add a CLI condition to a Python breakpoint that has defined stop"
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gdb_py_test_silent_cmd "python eval_bp2 = basic(\"$cond_bp\")" \
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"Set breakpoint" 0
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gdb_py_test_silent_cmd "python eval_bp2.condition = \"1==1\"" \
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"Set a condition" 0
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gdb_py_test_multiple "Construct an eval function" \
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"python" "" \
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"def stop_func ():" "" \
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" return True" "" \
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"end" ""
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gdb_test "python eval_bp2.stop = stop_func" \
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"RuntimeError: Only one stop condition allowed. There is currently a GDB.*" \
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"assign stop function to a breakpoint that has a condition"
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delete_breakpoints
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gdb_breakpoint [gdb_get_line_number "Break at multiply."]
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gdb_py_test_silent_cmd "python check_eval = bp_eval(\"$bp_location2\")" \
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"Set breakpoint" 0
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gdb_test "python print (check_eval.count)" "0" \
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"Test that evaluate function has not been yet executed (ie count = 0)"
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gdb_continue_to_breakpoint "Break at multiply, count==1" \
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".*$srcfile:$bp_location2.*"
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gdb_test "python print (check_eval.count)" "1" \
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"Test that evaluate function is run when location also has normal bp"
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gdb_py_test_multiple "Sub-class a watchpoint" \
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"python" "" \
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"class wp_eval (gdb.Breakpoint):" "" \
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" def stop (self):" "" \
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" self.result = gdb.parse_and_eval(\"result\")" "" \
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" if self.result == 788:" "" \
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" return True" "" \
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" return False" "" \
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"end" ""
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delete_breakpoints
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gdb_py_test_silent_cmd "python wp1 = wp_eval (\"result\", type=gdb.BP_WATCHPOINT, wp_class=gdb.WP_WRITE)" \
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"Set watchpoint" 0
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*result.*Old value =.*New value = 788.*" \
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"Test watchpoint write"
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gdb_test "python print (never_eval_bp1.count)" "0" \
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"Check that this unrelated breakpoints eval function was never called."
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}
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}
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proc test_bkpt_temporary { } {
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global srcfile testfile hex decimal
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with_test_prefix test_bkpt_temporary {
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# Start with a fresh gdb.
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clean_restart ${testfile}
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if ![runto_main] then {
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fail "cannot run to main."
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return 0
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}
|
|
delete_breakpoints
|
|
|
|
gdb_py_test_multiple "Sub-class and check temporary breakpoint" \
|
|
"python" "" \
|
|
"class temp_bp (gdb.Breakpoint):" "" \
|
|
" count = 0" "" \
|
|
" def stop (self):" "" \
|
|
" self.count = self.count + 1" "" \
|
|
" return True" "" \
|
|
"end" ""
|
|
set ibp_location [gdb_get_line_number "Break at multiply."]
|
|
gdb_py_test_silent_cmd "python ibp = temp_bp(\"$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 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 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 test_bkpt_events {} {
|
|
global testfile
|
|
|
|
clean_restart ${testfile}
|
|
|
|
gdb_py_test_multiple "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
|
|
}
|
|
|
|
test_bkpt_basic
|
|
test_bkpt_deletion
|
|
test_bkpt_cond_and_cmds
|
|
test_bkpt_invisible
|
|
test_watchpoints
|
|
test_bkpt_internal
|
|
test_bkpt_eval_funcs
|
|
test_bkpt_temporary
|
|
test_bkpt_address
|
|
test_bkpt_pending
|
|
test_bkpt_events
|