diff options
Diffstat (limited to 'gdb/testsuite/gdb.threads/step.exp')
| -rw-r--r-- | gdb/testsuite/gdb.threads/step.exp | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/step.exp b/gdb/testsuite/gdb.threads/step.exp new file mode 100644 index 00000000000..aa5639347b7 --- /dev/null +++ b/gdb/testsuite/gdb.threads/step.exp @@ -0,0 +1,200 @@ +# step.exp -- Expect script to test gdb with step.c +# Copyright (C) 1992, 1997 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gdb@prep.ai.mit.edu + +# This file was written by Hiro Sugawara. (hiro@lynx.com) +# +# This test really needs some major surgery to be acceptable, but +# I'm just about burnt out on lynx work, so I'm not doing it now. +# +# * The test has an indeterminate number of pass/fails +# for each run (it runs a small group of tests until +# it's timer kicks off). This is very bad for nightly +# automated regression testing. +# +# * It tries to "step" from withint he prologue of a +# function. This isn't support in gdb (it's going +# to act like a continue). +# +# * This test rarely check that it stopped in sensible +# places. (see previous bullet -- this test doesn't +# catch the fact it continued rather than stepped) + + +if $tracelevel then { + strace $tracelevel +} + +set program_exited 0 + +proc set_bp { where } { + global gdb_prompt + + send_gdb "break $where\n" + # The first regexp is what we get with -g, the second without -g. + gdb_expect { + -re "Break.* at .*: file .*, line \[0-9\]*.*$gdb_prompt $" {} + -re "Breakpoint \[0-9\]* at 0x\[0-9a-f\]*.*$gdb_prompt $" {} + -re "$gdb_prompt $" { fail "setting breakpoint at $where" ; return 0 } + timeout { fail "setting breakpoint at $where (timeout)" ; return 0 } + } + pass "set_bp" +} + +proc step_it { cmd } { + global gdb_prompt + global program_exited + + send_gdb "$cmd\n" + gdb_expect { + -re "0x\[0-9A-Fa-f\]* *in.*\r\n$gdb_prompt $" { pass "step_it"; return 0 } + -re "0x\[0-9A-Fa-f\]* *\[0-9\]*.*\r\n$gdb_prompt $" { pass "step_it"; return 1 } + -re "Program exited .*\n$gdb_prompt $" { + set program_exited 1 + return -1 + } + -re "$gdb_prompt $" { fail "single-stepping ($cmd).\n" ; return -1 } + timeout { fail "single-stepping ($cmd) timout.\n" ; return -1 } + } +} + +proc step_inst {} { + step_it "stepi" +} + +proc step_source {} { + step_it "step" +} + +proc continue_all {} { + global gdb_prompt + + send_gdb "continue\n" + gdb_expect { + -re "Breakpoint \[0-9\]*, thread\[0-9\]* .*$gdb_prompt $" { + pass "continue_all" + return 0 + } + -re "Program exited .*\n$gdb_prompt $" { + set program_exited 1 + return 1; + } + -re "$gdb_prompt $" { fail "continue" ; return -1 } + timeout { fail "continue (timeout)" ; return -1 } + } +} + +proc check_threads { num_threads } { + global gdb_prompt + + set curr_thread 0 + send_gdb "info threads\n" + while { $num_threads > 0 } { + gdb_expect { + -re "\\* *\[0-9\]* process \[0-9\]* thread \[0-9\]* .*\n" { + incr curr_thread + set num_threads [expr $num_threads - 1] + } + -re " *\[0-9\]* process \[0-9\]* thread \[0-9\]* .*\n" { + set num_threads [expr $num_threads - 1] + } + -re "$gdb_prompt $" { + if { $num_threads < 0 } { + fail "check_threads (too many)" ; return -1 + } + break + } + timeout { fail "check_threads (timeout)" ; return -1 } + } + } + + if { $curr_thread == 0 } { + fail "check_threads (no current thread)\n" + return -1 + } + if { $curr_thread > 1 } { + fail "check_threads (more than one current thread)\n" + return -1 + } + return 0 +} + +proc test_cond_wait {} { + global program_exited + + set_bp 135 + runto 179 + while { 1 } { + set stepi_counter 0 + while { [step_inst] } { + if { $program_exited } { break } + incr stepi_counter + if { $stepi_counter > 30 } { + fail "too many stepi's per line\n" + return -1 + } + } + if { $program_exited } { break } + step_source + if { $program_exited } { break } + continue_all + if { $program_exited } { break } + check_threads 3 + } +} + +proc do_tests {} { + global prms_id + global bug_id + global subdir + global objdir + global srcdir + global binfile + global gdb_prompt + + set prms_id 0 + set bug_id 0 + + # Start with a fresh gdb. + + gdb_exit + gdb_start + gdb_reinitialize_dir $srcdir/$subdir + gdb_load $objdir/$subdir/$binfile + + send_gdb "set width 0\n" + gdb_expect -re "$gdb_prompt $" + + test_cond_wait +} + +# Check to see if we have an executable to test. If not, then either we +# haven't tried to compile one, or the compilation failed for some reason. +# In either case, just notify the user and skip the tests in this file. + +set binfile "step" +set srcfile "step.c" + +if ![file exists $objdir/$subdir/$binfile] then { + if $all_flag then { + warning "$binfile does not exist; tests suppressed." + } +} else { + do_tests +} |