breakpoint-shadow.exp revision 1.6
1# Copyright 2008-2016 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16standard_testfile 17 18if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} { 19 untested $testfile.exp 20 return -1 21} 22 23# We need to start the inferior to place the breakpoints in the memory at all. 24if ![runto_main] { 25 untested start 26 return -1 27} 28 29# The default "auto" mode removes all the breakpoints when we stop (and not 30# running the nonstop mode). We would not be able to test the shadow. 31gdb_test_no_output "set breakpoint always-inserted on" 32gdb_test "show breakpoint always-inserted" "Always inserted breakpoint mode is on." 33 34set match "\nDump of assembler code for function main:\r\n(.*)End of assembler dump.\r\n$gdb_prompt $" 35 36set test "disassembly without breakpoints" 37gdb_test_multiple "disass main" $test { 38 -re $match { 39 set orig $expect_out(1,string) 40 pass $test 41 } 42} 43 44gdb_test "b [gdb_get_line_number "break-first"]" "Breakpoint \[0-9\] at .*" "First breakpoint placed" 45gdb_test "b [gdb_get_line_number "break-second"]" "Breakpoint \[0-9\] at .*" "Second breakpoint placed" 46 47# Disassemble main, and compare the output to the original output 48# before breakpoints were inserted. TEST is used as test message. 49 50proc test_disassembly {test} { 51 global match orig 52 53 gdb_test_multiple "disass main" $test { 54 -re $match { 55 set got $expect_out(1,string) 56 if [string equal -nocase $orig $got] { 57 pass $test 58 } else { 59 fail $test 60 } 61 } 62 } 63} 64 65test_disassembly "disassembly with breakpoints" 66 67# Now check the interaction between the code cache and breakpoint 68# always-inserted mode. 69 70# Recreate the code cache when breakpoints are already inserted. 71gdb_test_no_output "set code-cache off" 72gdb_test_no_output "set code-cache on" 73 74test_disassembly "disassembly with breakpoints, fresh code cache" 75 76# Delete breakpoints. This should update the code cache as well. 77delete_breakpoints 78 79test_disassembly "disassembly without breakpoints, no stale breakpoints" 80