diff options
| -rw-r--r-- | gdb/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/inferior-args.c | 26 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/inferior-args.exp | 124 | ||||
| -rw-r--r-- | gdb/testsuite/lib/gdb.exp | 21 |
4 files changed, 169 insertions, 8 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 5da102b..22866e2 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,5 +1,11 @@ 2020-05-25 Simon Marchi <simon.marchi@efficios.com> + * lib/gdb.exp (gdb_run_cmd): Return success or failure. + * gdb.base/inferior-args.exp: New file. + * gdb.base/inferior-args.c: New file. + +2020-05-25 Simon Marchi <simon.marchi@efficios.com> + * lib/gdb.exp (gdb_run_cmd): Change argument from args to inferior_args. Pass it to gdb_reload. (gdb_start_cmd, gdb_starti_cmd): Change argument from args to diff --git a/gdb/testsuite/gdb.base/inferior-args.c b/gdb/testsuite/gdb.base/inferior-args.c new file mode 100644 index 0000000..1a03803 --- /dev/null +++ b/gdb/testsuite/gdb.base/inferior-args.c @@ -0,0 +1,26 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2020 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/>. */ + +#include <stdio.h> + +int main (int argc, char **argv) +{ + for (int i = 0; i < argc; i++) + printf ("[%d] %s\n", i, argv[i]); + + return 0; +} diff --git a/gdb/testsuite/gdb.base/inferior-args.exp b/gdb/testsuite/gdb.base/inferior-args.exp new file mode 100644 index 0000000..477da9b --- /dev/null +++ b/gdb/testsuite/gdb.base/inferior-args.exp @@ -0,0 +1,124 @@ +# Copyright 2020 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/>. + +# Test running an inferior with arguments. + +# This does not work on boards that don't support inferior arguments. +if [target_info exists noargs] then { + verbose "skipping gdb.base/inferior-args.exp because of noargs" + return +} + +standard_testfile .c + +if {[build_executable "failed to prepare" $testfile $srcfile debug] == -1} { + return +} + +proc do_test { method } { + global binfile hex + + # The second arg is an empty string on purpose. + set inferior_args { "first arg" "" "third-arg" } + + clean_restart $binfile + + if { $method == "start" } { + # The start command does not make sense for a stub. + if { [use_gdb_stub] } { + return; + } + + if { [gdb_start_cmd $inferior_args] < 0 } { + fail "could not issue start command" + return -1 + } + + # Consume up to the GDB prompt after the stop. + gdb_test "" ".*main.*" "stop at main" + + } elseif { $method == "starti" } { + # The starti command does not make sense for a stub. + if { [use_gdb_stub] } { + return; + } + + if { [gdb_starti_cmd $inferior_args] < 0 } { + fail "could not issue start command" + return -1 + } + + # Consume up to the GDB prompt after the stop. + gdb_test "" "" "stop at first instruction" + + # Put a breakpoint and continue until main. + if { ![gdb_breakpoint "main" message] } { + fail "could not set breakpoint on main" + return -1 + } + + if { [gdb_continue "main"] != 0 } { + fail "could not continue to main" + return -1 + } + + } elseif { $method == "run" } { + if { ![gdb_breakpoint "main" message] } { + fail "could not set breakpoint on main" + return -1 + } + + # The run command does not make sense for a stub, but GDB_RUN_CMD + # does the right thing when the target is a stub (start the stub, + # connect to it, and "continue"). + # + # This allows us to test arguments passed on the gdbserver command + # line. + if { [gdb_run_cmd $inferior_args] < 0 } { + fail "could not run" + return -1 + } + + # Consume up to the GDB prompt after the stop. + gdb_test "" ".*main.*" "stop at main" + + } elseif { $method == "set args" } { + # Using "set args" does not make sense with a stub. + if { [use_gdb_stub] } { + return; + } + + gdb_test_no_output "set args $inferior_args" + + if { ![runto_main] } { + fail "could not run to main" + return -1 + } + + } else { + error "invalid method $method" + } + + # Now that we are stopped at main, inspect argc/argv. + gdb_test "print argc" " = 4" + gdb_test "print argv\[0\]" " = $hex \".*\"" + gdb_test "print argv\[1\]" " = $hex \"first arg\"" + gdb_test "print argv\[2\]" " = $hex \"\"" + gdb_test "print argv\[3\]" " = $hex \"third-arg\"" +} + +foreach_with_prefix method { "start" "starti" "run" "set args" } { + do_test $method +} diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp index b2b717f..444cea0 100644 --- a/gdb/testsuite/lib/gdb.exp +++ b/gdb/testsuite/lib/gdb.exp @@ -242,6 +242,8 @@ proc target_can_use_run_cmd {} { # Generic run command. # +# Return 0 if we could start the program, -1 if we could not. +# # The second pattern below matches up to the first newline *only*. # Using ``.*$'' could swallow up output that we attempt to match # elsewhere. @@ -269,14 +271,14 @@ proc gdb_run_cmd { {inferior_args {}} } { if $use_gdb_stub { if [target_info exists gdb,do_reload_on_run] { if { [gdb_reload $inferior_args] != 0 } { - return + return -1 } send_gdb "continue\n" gdb_expect 60 { -re "Continu\[^\r\n\]*\[\r\n\]" {} default {} } - return + return 0 } if [target_info exists gdb,start_symbol] { @@ -292,7 +294,7 @@ proc gdb_run_cmd { {inferior_args {}} } { # clever and not send a command when it has failed. if [expr $start_attempt > 3] { perror "Jump to start() failed (retry count exceeded)" - return + return -1 } set start_attempt [expr $start_attempt + 1] gdb_expect 30 { @@ -301,7 +303,7 @@ proc gdb_run_cmd { {inferior_args {}} } { } -re "No symbol \"_start\" in current.*$gdb_prompt $" { perror "Can't find start symbol to run in gdb_run" - return + return -1 } -re "No symbol \"start\" in current.*$gdb_prompt $" { send_gdb "jump *_start\n" @@ -314,22 +316,23 @@ proc gdb_run_cmd { {inferior_args {}} } { } -re "The program is not being run.*$gdb_prompt $" { if { [gdb_reload $inferior_args] != 0 } { - return + return -1 } send_gdb "jump *$start\n" } timeout { perror "Jump to start() failed (timeout)" - return + return -1 } } } - return + + return 0 } if [target_info exists gdb,do_reload_on_run] { if { [gdb_reload $inferior_args] != 0 } { - return + return -1 } } send_gdb "run $inferior_args\n" @@ -346,6 +349,8 @@ proc gdb_run_cmd { {inferior_args {}} } { # There is no more input expected. } } + + return 0 } # Generic start command. Return 0 if we could start the program, -1 |