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# Copyright (C) 2011-2012 Free Software Foundation, Inc.
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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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# 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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# 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 values to Python.
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if {[skip_shlib_tests]} {
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untested py-finish-breakpoint.exp
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load_lib gdb-python.exp
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set libfile "py-events-shlib"
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set libsrc $srcdir/$subdir/$libfile.c
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set lib_sl $objdir/$subdir/$libfile-nodebug.so
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set testfile "py-finish-breakpoint"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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set exec_opts [list debug shlib=$lib_sl]
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if [get_compiler_info ${binfile}] {
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if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
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|| [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != ""} {
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untested "Could not compile either $libsrc or $srcdir/$subdir/$srcfile."
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# Start with a fresh gdb.
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clean_restart ${testfile}
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set python_file ${srcdir}/${subdir}/${testfile}.py
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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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# Test FinishBreakpoint in normal conditions
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clean_restart ${testfile}
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gdb_load_shlibs ${lib_sl}
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if ![runto_main] then {
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fail "Cannot run to main."
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gdb_test_no_output "set confirm off" "disable confirmation"
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gdb_test "source $python_file" "Python script imported.*" \
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"import python scripts"
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gdb_breakpoint "increase_1"
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gdb_test "continue" "Breakpoint .*at.*" "continue to the function to finish"
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# set FinishBreakpoint
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gdb_test "python finishbp_default = gdb.FinishBreakpoint ()" \
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"Temporary breakpoint.*" "set FinishBreakpoint with default frame value"
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gdb_test "python finishbp = MyFinishBreakpoint (gdb.parse_and_eval ('a'), gdb.newest_frame ())" \
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"Temporary breakpoint.*" "set FinishBreakpoint"
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gdb_test "python print finishbp.return_value" "None.*" \
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"check return_value at init"
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gdb_test "continue" "MyFinishBreakpoint stop with.*return_value is: -5.*#0.*increase.*" \
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"check MyFinishBreakpoint hit"
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gdb_test "python print finishbp.return_value" "-5.*" "check return_value"
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gdb_test "python print finishbp_default.hit_count" "1.*" "check finishBP on default frame has been hit"
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gdb_test "python print finishbp.is_valid()" "False.*"\
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"ensure that finish bp is invalid afer normal hit"
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# check FinishBreakpoint in main no allowed
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gdb_test "finish" "main.*" "return to main()"
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gdb_test "python MyFinishBreakpoint (None, gdb.selected_frame ())" \
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"ValueError: \"FinishBreakpoint\" not meaningful in the outermost frame..*" \
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"check FinishBP not allowed in main"
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# Test FinishBreakpoint with no debug symbol
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clean_restart ${testfile}
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gdb_load_shlibs ${lib_sl}
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gdb_test "source $python_file" "Python script imported.*" \
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"import python scripts"
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set cond_line [gdb_get_line_number "Condition Break."]
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if ![runto_main] then {
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fail "Cannot run to main."
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gdb_test "print do_nothing" "no debug info.*" "ensure that shared lib has no debug info"
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gdb_breakpoint "do_nothing" {temporary}
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gdb_test "continue" "Temporary breakpoint .*in \\.?do_nothing.*" \
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"continue to do_nothing"
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gdb_test "python finishBP = SimpleFinishBreakpoint(gdb.newest_frame())" \
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"SimpleFinishBreakpoint init" \
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"set finish breakpoint"
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gdb_test "continue" "SimpleFinishBreakpoint stop.*" "check FinishBreakpoint hit"
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gdb_test "python print finishBP.return_value" "None" "check return value without debug symbol"
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# Test FinishBreakpoint in function returned by longjmp
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clean_restart ${testfile}
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gdb_load_shlibs ${lib_sl}
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gdb_test "source $python_file" "Python script imported.*" \
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"import python scripts"
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if ![runto call_longjmp_1] then {
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perror "couldn't run to breakpoint call_longjmp"
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gdb_test "python finishbp = SimpleFinishBreakpoint(gdb.newest_frame())" \
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"SimpleFinishBreakpoint init" \
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"set finish breakpoint"
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gdb_test "break [gdb_get_line_number "after longjmp."]" "Breakpoint.* at .*" \
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"set BP after the jump"
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gdb_test "continue" "SimpleFinishBreakpoint out of scope.*" \
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"check FinishBP out of scope notification"
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gdb_test "python print finishbp.is_valid()" "False.*"\
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"ensure that finish bp is invalid afer out of scope notification"
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# Test FinishBreakpoint in BP condition evaluation
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# (finish in dummy frame)
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clean_restart ${testfile}
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gdb_load_shlibs ${lib_sl}
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gdb_test "source $python_file" "Python script imported.*" \
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"import python scripts"
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if ![runto_main] then {
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fail "Cannot run to main."
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gdb_test "break ${cond_line} if test_1(i,8)" "Breakpoint .* at .*" \
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"set a conditional BP"
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gdb_test "python TestBreakpoint()" "TestBreakpoint init" \
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"set FinishBP in a breakpoint condition"
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gdb_test "continue" \
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"\"FinishBreakpoint\" cannot be set on a dummy frame.*" \
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"don't allow FinishBreakpoint on dummy frames"
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gdb_test "print i" "8" "check stopped location"
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# Test FinishBreakpoint in BP condition evaluation
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# (finish in normal frame)
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clean_restart ${testfile}
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gdb_load_shlibs ${lib_sl}
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gdb_test "source $python_file" "Python script imported.*" \
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"import python scripts"
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if ![runto_main] then {
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fail "Cannot run to main."
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gdb_test "break ${cond_line} if test(i,8)" \
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"Breakpoint .* at .*" "set conditional BP"
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gdb_test "python TestBreakpoint()" "TestBreakpoint init" "set BP in condition"
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gdb_test "continue" \
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"test don't stop: 1.*test don't stop: 2.*test stop.*Error in testing breakpoint condition.*The program being debugged stopped while in a function called from GDB.*" \
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"stop in condition function"
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gdb_test "continue" "Continuing.*" "finish condition evaluation"
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gdb_test "continue" "Breakpoint.*" "stop at conditional breakpoint"
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gdb_test "print i" "8" "check stopped location"
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# Test FinishBreakpoint in explicit inferior function call
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clean_restart ${testfile}
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gdb_load_shlibs ${lib_sl}
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gdb_test "source $python_file" "Python script imported.*" \
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"import python scripts"
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if ![runto_main] then {
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fail "Cannot run to main."
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# return address in dummy frame
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gdb_test "python TestExplicitBreakpoint('increase_1')" "Breakpoint.*at.*" \
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"prepare TestExplicitBreakpoint"
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gdb_test "print increase_1(&i)" \
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"\"FinishBreakpoint\" cannot be set on a dummy frame.*" \
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"don't allow FinishBreakpoint on dummy frames"
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# return address in normal frame
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gdb_test "python TestExplicitBreakpoint(\"increase_1\")" "Breakpoint.*at.*" \
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"prepare TestExplicitBreakpoint"
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gdb_test "print increase(&i)" \
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"SimpleFinishBreakpoint init.*SimpleFinishBreakpoint stop.*The program being debugged stopped while in a function called from GDB.*" \
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"FinishBP stop at during explicit function call"
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# Test FinishBreakpoint when inferior exits
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if ![runto "test_exec_exit"] then {
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fail "Cannot run to test_exec_exit."
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gdb_test_no_output "set var self_exec = 0" "switch to exit() test"
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gdb_test "python SimpleFinishBreakpoint(gdb.newest_frame())" "SimpleFinishBreakpoint init" "set FinishBP after the exit()"
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gdb_test "continue" "SimpleFinishBreakpoint out of scope.*" "catch out of scope after exit"
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# Test FinishBreakpoint when inferior execs
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if ![runto "test_exec_exit"] then {
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fail "Cannot run to test_exec_exit."
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gdb_test "python SimpleFinishBreakpoint(gdb.newest_frame())" "SimpleFinishBreakpoint init" "set FinishBP after the exec"
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gdb_test "catch exec" "Catchpoint.*\(exec\).*" "catch exec"
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gdb_test "continue" "SimpleFinishBreakpoint out of scope.*" "catch out of scope after exec"
added
removed
gdb/testsuite/gdb.python/py-finish-breakpoint.exp
