# Copyright 1988-2016 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 . # Based on break.exp, written by Rob Savoye. (rob@cygnus.com) # Modified to test gdb's handling of separate debug info files. # Modified to test gdb's handling of a debug-id retrieval. # This file has two parts. The first is testing that gdb behaves # normally after reading in an executable and its corresponding # separate debug file. The second moves the .debug file to a different # location and tests the "set debug-file-directory" command. # The third is for testing build-id retrievel by finding the separate # ".debug-id/ab/cdef.debug" file. # # test running programs # standard_testfile .c if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { untested sepdebug.exp return -1 } # Note: the procedure gdb_gnu_strip_debug will produce an executable called # ${binfile}, which is just like the executable ($binfile) but without # the debuginfo. Instead $binfile has a .gnu_debuglink section which contains # the name of a debuginfo only file. This file will be stored in the # gdb.base/ subdirectory. if [gdb_gnu_strip_debug $binfile$EXEEXT] { # check that you have a recent version of strip and objcopy installed unsupported "cannot produce separate debug info files" return -1 } # # PR gdb/9538. Verify that symlinked executable still finds the separate # debuginfo. # set old_subdir $subdir set subdir [file join ${old_subdir} pr9538] # Cleanup any stale state. set new_name [standard_output_file ${testfile}${EXEEXT}] remote_exec build "rm -rf [file dirname $new_name]" remote_exec build "mkdir [file dirname $new_name]" remote_exec build "ln -s ${binfile}${EXEEXT} $new_name" clean_restart ${testfile}${EXEEXT} if { $gdb_file_cmd_debug_info != "debug" } then { fail "No debug information found." } # Restore subdir set subdir ${old_subdir} clean_restart ${testfile}${EXEEXT} if { $gdb_file_cmd_debug_info != "debug" } then { fail "No debug information found." } # # test simple breakpoint setting commands # # # test break at function # gdb_test "break main" \ "Breakpoint.*at.* file .*$srcfile, line.*" \ "breakpoint function" # # test break at quoted function # gdb_test "break \"marker2\"" \ "Breakpoint.*at.* file .*$srcfile, line.*" \ "breakpoint quoted function" # # test break at function in file # gdb_test "break $srcfile:factorial" \ "Breakpoint.*at.* file .*$srcfile, line.*" \ "breakpoint function in file" set bp_location1 [gdb_get_line_number "set breakpoint 1 here"] # # test break at line number # # Note that the default source file is the last one whose source text # was printed. For native debugging, before we've executed the # program, this is the file containing main, but for remote debugging, # it's wherever the processor was stopped when we connected to the # board. So, to be sure, we do a list command. # gdb_test "list main" \ ".*main \\(int argc, char \\*\\*argv, char \\*\\*envp\\).*" \ "use `list' to establish default source file" gdb_test "break $bp_location1" \ "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \ "breakpoint line number" # # test duplicate breakpoint # gdb_test "break $bp_location1" \ "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \ "breakpoint duplicate" set bp_location2 [gdb_get_line_number "set breakpoint 2 here"] # # test break at line number in file # gdb_test "break $srcfile:$bp_location2" \ "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \ "breakpoint line number in file" set bp_location3 [gdb_get_line_number "set breakpoint 3 here"] set bp_location4 [gdb_get_line_number "set breakpoint 4 here"] # # Test putting a break at the start of a multi-line if conditional. # Verify the breakpoint was put at the start of the conditional. # gdb_test "break multi_line_if_conditional" \ "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \ "breakpoint at start of multi line if conditional" gdb_test "break multi_line_while_conditional" \ "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \ "breakpoint at start of multi line while conditional" set bp_location6 [gdb_get_line_number "set breakpoint 6 here"] set main_line $bp_location6 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"] set bp_location8 [gdb_get_line_number "set breakpoint 8 here"] gdb_test "info break" \ "Num Type\[ \]+Disp Enb Address\[ \]+What.* \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.* \[0-9\]+\[\t \]+breakpoint keep y.* in marker2 at .*$srcfile:$bp_location8.* \[0-9\]+\[\t \]+breakpoint keep y.* in factorial at .*$srcfile:$bp_location7.* \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.* \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.* \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location2.* \[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.* \[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \ "breakpoint info" # FIXME: The rest of this test doesn't work with anything that can't # handle arguments. # Huh? There doesn't *appear* to be anything that passes arguments # below. # # run until the breakpoint at main is hit. For non-stubs-using targets. # gdb_run_cmd gdb_test "" \ "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*" \ "run until function breakpoint" # # run until the breakpoint at a line number # gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \ "run until breakpoint set at a line number" # # Run until the breakpoint set in a function in a file # for {set i 6} {$i >= 1} {incr i -1} { gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \ "run until file:function($i) breakpoint" } # # Run until the breakpoint set at a quoted function # gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile:$bp_location8.*" \ "run until quoted breakpoint" # # run until the file:function breakpoint at a line number in a file # gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \ "run until file:linenum breakpoint" # Test break at offset +1 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"] gdb_test "break +1" \ "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \ "breakpoint offset +1" # Check to see if breakpoint is hit when stepped onto gdb_test "step" \ ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \ "step onto breakpoint" # # delete all breakpoints so we can start over, course this can be a test too # delete_breakpoints # # test temporary breakpoint at function # gdb_test "tbreak main" "Temporary breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function" # # test break at function in file # gdb_test "tbreak $srcfile:factorial" "Temporary breakpoint.*at.* file .*$srcfile, line.*" \ "Temporary breakpoint function in file" # # test break at line number # gdb_test "tbreak $bp_location1" \ "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location1.*" \ "Temporary breakpoint line number #1" gdb_test "tbreak $bp_location6" \ "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location6.*" \ "Temporary breakpoint line number #2" # # test break at line number in file # gdb_test "tbreak $srcfile:$bp_location2" \ "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location2.*" \ "Temporary breakpoint line number in file #1" set bp_location11 [gdb_get_line_number "set breakpoint 11 here"] gdb_test "tbreak $srcfile:$bp_location11" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2" # # check to see what breakpoints are set (temporary this time) # gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\] \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\] \[0-9\]+\[\t \]+breakpoint del.*y.*in factorial at .*$srcfile:$bp_location7.*\[\r\n\] \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\] \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\] \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\] \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location11.*" \ "Temporary breakpoint info" #*********** # Verify that catchpoints for fork, vfork and exec don't trigger # inappropriately. (There are no calls to those system functions # in this test program.) # if ![runto_main] then { fail "sepdebug tests suppressed" } gdb_test "catch" "Catch requires an event name.*" \ "catch requires an event name" gdb_test "catch fork" "Catchpoint \[0-9\]+ \\(fork\\)" \ "set catch fork, never expected to trigger" gdb_test "catch vfork" "Catchpoint \[0-9\]+ \\(vfork\\)" \ "set catch vfork, never expected to trigger" gdb_test "catch exec" "Catchpoint \[0-9\]+ \\(exec\\)" \ "set catch exec, never expected to trigger" # Verify that GDB responds gracefully when asked to set a breakpoint # on a nonexistent source line. # gdb_test_no_output "set breakpoint pending off" gdb_test "break 999" "No line 999 in the current file." \ "break on non-existent source line" # Run to the desired default location. If not positioned here, the # tests below don't work. # gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1" # Verify that GDB allows one to just say "break", which is treated # as the "default" breakpoint. Note that GDB gets cute when printing # the informational message about other breakpoints at the same # location. We'll hit that bird with this stone too. # gdb_test "break" "Breakpoint \[0-9\]*.*" \ "break on default location, 1st time" gdb_test "break" \ "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \ "break on default location, 2nd time" gdb_test "break" \ "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \ "break on default location, 3rd time" gdb_test "break" \ "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \ "break on default location, 4th time" # Verify that a "silent" breakpoint can be set, and that GDB is indeed # "silent" about its triggering. # if ![runto_main] then { fail "sepdebug tests suppressed" } gdb_test_multiple "break $bp_location1" \ "set to-be-silent break bp_location1" { -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $" { pass "set to-be-silent break bp_location1" } } gdb_test "commands $expect_out(1,string)\nsilent\nend" ">end" "set silent break bp_location1" gdb_test "info break $expect_out(1,string)" \ "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*" \ "info silent break bp_location1" gdb_test "continue" "Continuing.*" "hit silent break bp_location1" gdb_test "bt" "#0 main .* at .*:$bp_location1.*" \ "stopped for silent break bp_location1" # Verify that GDB can at least parse a breakpoint with the # "thread" keyword. (We won't attempt to test here that a # thread-specific breakpoint really triggers appropriately. # The gdb.threads subdirectory contains tests for that.) # set bp_location12 [gdb_get_line_number "set breakpoint 12 here"] gdb_test "break $bp_location12 thread 999" "Unknown thread 999.*" \ "thread-specific breakpoint on non-existent thread disallowed" gdb_test "break $bp_location12 thread foo" \ "Junk after thread keyword.*" \ "thread-specific breakpoint on bogus thread ID disallowed" # Verify that GDB responds gracefully to a breakpoint command with # trailing garbage. # gdb_test "break $bp_location12 foo" \ "malformed linespec error: unexpected string, \"foo\".*" \ "breakpoint with trailing garbage disallowed" # Verify that GDB responds gracefully to a "clear" command that has # no matching breakpoint. (First, get us off the current source line, # which we know has a breakpoint.) # gdb_test "next" "marker1.*" "step over breakpoint" gdb_test "clear 81" "No breakpoint at 81.*" \ "clear line has no breakpoint disallowed" gdb_test "clear" "No breakpoint at this line.*" \ "clear current line has no breakpoint disallowed" # Verify that we can set and clear multiple breakpoints. # # We don't test that it deletes the correct breakpoints. We do at # least test that it deletes more than one breakpoint. # gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1" gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2" gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*} # Verify that a breakpoint can be set via a convenience variable. # gdb_test_no_output "set \$foo=$bp_location11" \ "set convenience variable \$foo to bp_location11" gdb_test "break \$foo" \ "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*" \ "set breakpoint via convenience variable" # Verify that GDB responds gracefully to an attempt to set a # breakpoint via a convenience variable whose type is not integer. # gdb_test_no_output "set \$foo=81.5" \ "set convenience variable \$foo to 81.5" gdb_test "break \$foo" \ "Convenience variables used in line specs must have integer values.*" \ "set breakpoint via non-integer convenience variable disallowed" # Verify that we can set and trigger a breakpoint in a user-called function. # gdb_test "break marker2" \ "Breakpoint (\[0-9\]*) at .*, line $bp_location8.*" \ "set breakpoint on to-be-called function" gdb_test "print marker2(99)" \ "The program being debugged stopped while in a function called from GDB.\r\nEvaluation of the expression containing the function\r\n.marker2. will be abandoned.\r\nWhen the function is done executing, GDB will silently stop.*" \ "hit breakpoint on called function" # As long as we're stopped (breakpointed) in a called function, # verify that we can successfully backtrace & such from here. gdb_test "bt" \ "#0\[ \t\]*($hex in )?marker2.*:$bp_location8\r\n#1\[ \t\]*.*" \ "backtrace while in called function" # Return from the called function. For remote targets, it's important to do # this before runto_main, which otherwise may silently stop on the dummy # breakpoint inserted by GDB at the program's entry point. # gdb_test_multiple "finish" "finish from called function" { -re "Run till exit from .*marker2.* at .*$bp_location8\r\n.*function called from gdb.*$gdb_prompt $" { pass "finish from called function" } -re "Run till exit from .*marker2.* at .*$bp_location8\r\n.*Value returned.*$gdb_prompt $" { pass "finish from called function" } } # Verify that GDB responds gracefully to a "finish" command with # arguments. # if ![runto_main] then { fail "sepdebug tests suppressed" } gdb_test "finish 123" \ "The \"finish\" command does not take any arguments.*" \ "finish with arguments disallowed" # Verify that GDB responds gracefully to a request to "finish" from # the outermost frame. On a stub that never exits, this will just # run to the stubs routine, so we don't get this error... Thus the # second condition. # gdb_test_multiple "finish" "finish from outermost frame disallowed" { -re "\"finish\" not meaningful in the outermost frame.*$gdb_prompt $" { pass "finish from outermost frame disallowed" } -re "Run till exit from.*$gdb_prompt $" { pass "finish from outermost frame disallowed" } } # # Test "next" over recursive function call. # proc test_next_with_recursion {} { global gdb_prompt global decimal global binfile gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y" delete_breakpoints gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial" # Run until we call factorial with 6 gdb_run_cmd gdb_test "" "Break.* factorial .value=6. .*" "run to factorial(6)" # Continue until we call factorial recursively with 5. if [gdb_test "continue" \ "Continuing.*Break.* factorial .value=5. .*" \ "continue to factorial(5)"] then { gdb_suppress_tests } # Do a backtrace just to confirm how many levels deep we are. if [gdb_test "backtrace" \ "#0\[ \t\]+ factorial .value=5..*" \ "backtrace from factorial(5)"] then { gdb_suppress_tests } # Now a "next" should position us at the recursive call, which # we will be performing with 4. if [gdb_test "next" \ ".* factorial .value - 1.;.*" \ "next to recursive call"] then { gdb_suppress_tests } # Disable the breakpoint at the entry to factorial by deleting them all. # The "next" should run until we return to the next line from this # recursive call to factorial with 4. # Buggy versions of gdb will stop instead at the innermost frame on # the line where we are trying to "next" to. delete_breakpoints if [istarget "mips*tx39-*"] { set timeout 60 } # We used to set timeout here for all other targets as well. This # is almost certainly wrong. The proper timeout depends on the # target system in use, and how we communicate with it, so there # is no single value appropriate for all targets. The timeout # should be established by the Dejagnu config file(s) for the # board, and respected by the test suite. # # For example, if I'm running GDB over an SSH tunnel talking to a # portmaster in California talking to an ancient 68k board running # a crummy ROM monitor (a situation I can only wish were # hypothetical), then I need a large timeout. But that's not the # kind of knowledge that belongs in this file. gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \ "next over recursive call" # OK, we should be back in the same stack frame we started from. # Do a backtrace just to confirm. set result [gdb_test "backtrace" \ "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \ "backtrace from factorial(5.1)"] if { $result != 0 } { gdb_suppress_tests } if [target_info exists gdb,noresults] { gdb_suppress_tests } gdb_continue_to_end "recursive next test" gdb_stop_suppressing_tests } test_next_with_recursion #******** proc test_different_dir {type test_different_dir xfail} { with_test_prefix "$type" { global srcdir subdir binfile srcfile timeout gdb_prompt global bp_location6 decimal hex gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_test_no_output "set debug-file-directory ${test_different_dir}" \ "set separate debug location" gdb_load ${binfile} # # test break at function # if {$xfail} { setup_xfail "*-*-*" } gdb_test "break main" \ "Breakpoint.*at.* file .*$srcfile, line.*" \ "breakpoint function, optimized file" # # test break at function # if {$xfail} { setup_xfail "*-*-*" } gdb_test "break marker4" \ "Breakpoint.*at.* file .*$srcfile, line.*" \ "breakpoint small function, optimized file" # # run until the breakpoint at main is hit. For non-stubs-using targets. # gdb_run_cmd if {$xfail} { setup_xfail "*-*-*" } set test "run until function breakpoint, optimized file" gdb_test_multiple "" $test { -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" { pass $test } -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" { pass "$test (code motion)" } } # # run until the breakpoint at a small function # # # Add a second pass pattern. The behavior differs here between stabs # and dwarf for one-line functions. Stabs preserves two line symbols # (one before the prologue and one after) with the same line number, # but dwarf regards these as duplicates and discards one of them. # Therefore the address after the prologue (where the breakpoint is) # has no exactly matching line symbol, and GDB reports the breakpoint # as if it were in the middle of a line rather than at the beginning. set bp_location14 [gdb_get_line_number "set breakpoint 14 here"] if {$xfail} { setup_xfail "*-*-*" } gdb_test_multiple "continue" "run until breakpoint set at small function, optimized file" { -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*$gdb_prompt $" { pass "run until breakpoint set at small function, optimized file (line bp_location14)" } -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*$gdb_prompt $" { pass "run until breakpoint set at small function, optimized file (line bp_location14)" } } # proc test_different_dir } } # now move the .debug file to a different location so that we can test # the "set debug-file-directory" command. set different_dir [standard_output_file ${testfile}.dir] set debugfile "${different_dir}/[standard_output_file ${testfile}${EXEEXT}.debug]" remote_exec build "rm -rf $different_dir" remote_exec build "mkdir -p [file dirname $debugfile]" remote_exec build "mv -f [standard_output_file ${testfile}${EXEEXT}.debug] $debugfile" test_different_dir debuglink $different_dir 0 # Test CRC mismatch is reported. if {[build_executable sepdebug.exp sepdebug2 sepdebug2.c debug] != -1 && ![gdb_gnu_strip_debug [standard_output_file sepdebug2]$EXEEXT]} { remote_exec build "cp ${debugfile} [standard_output_file sepdebug2.debug]" gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir set escapedobjdirsubdir [string_to_regexp [standard_output_file {}]] gdb_test "file [standard_output_file sepdebug2]" "warning: the debug information found in \"${escapedobjdirsubdir}/sepdebug2\\.debug\" does not match \"${escapedobjdirsubdir}/sepdebug2\" \\(CRC mismatch\\)\\..*\\(no debugging symbols found\\).*" "CRC mismatch is reported" } # NT_GNU_BUILD_ID / .note.gnu.build-id test: set build_id_debug_filename [build_id_debug_filename_get $binfile$EXEEXT] if ![string compare $build_id_debug_filename ""] then { unsupported "build-id is not supported by the compiler" # Spare debug files may confuse testsuite runs in the future. remote_exec build "rm -f $debugfile" } else { set build_id_debugself_filename [build_id_debug_filename_get $debugfile] set test "build-id support by binutils" set xfail 0 if ![string compare $build_id_debugself_filename ""] then { unsupported $test set xfail 1 } elseif {[string compare $build_id_debugself_filename $build_id_debug_filename] != 0} then { fail $test } else { pass $test } file mkdir [file dirname [standard_output_file ${build_id_debug_filename}]] remote_exec build "mv $debugfile [standard_output_file ${build_id_debug_filename}]" test_different_dir build-id [standard_output_file {}] $xfail # Test also multiple directories can be specified. Without the build-id # reference GDB would find the separate debug info just at the same # location as the executable file. test_different_dir multiple-dirs "/doesnotexist:[standard_output_file {}]" $xfail # Spare debug files may confuse testsuite runs in the future. remote_exec build "rm -f [standard_output_file ${build_id_debug_filename}]" }