mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
270 lines
9.5 KiB
Plaintext
270 lines
9.5 KiB
Plaintext
# Copyright 1997-2018 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/>.
|
|
|
|
if [target_info exists gdb,nosignals] {
|
|
verbose "Skipping signals.exp because of nosignals."
|
|
continue
|
|
}
|
|
|
|
|
|
standard_testfile .c
|
|
|
|
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
|
|
untested "failed to compile"
|
|
return -1
|
|
}
|
|
|
|
# Create and source the file that provides information about the compiler
|
|
# used to compile the test case.
|
|
if [get_compiler_info] {
|
|
return -1
|
|
}
|
|
|
|
gdb_exit
|
|
gdb_start
|
|
|
|
# This will need to be updated as the exact list of signals changes,
|
|
# but I want to test that GDB_SIGNAL_0, GDB_SIGNAL_DEFAULT, and
|
|
# GDB_SIGNAL_UNKNOWN are skipped.
|
|
|
|
proc test_handle_all_print {} {
|
|
global timeout
|
|
# Increase timeout and expect input buffer for large output from gdb.
|
|
# Allow blank or TAB as whitespace characters.
|
|
set oldtimeout $timeout
|
|
set timeout [expr "$timeout + 60"]
|
|
verbose "Timeout is now $timeout seconds" 2
|
|
if { ![istarget "*-*-linux*"]
|
|
&& ( [istarget "*-*-gnu*"]
|
|
|| [istarget "*-*-mach*"] ) } {
|
|
gdb_test_sequence "handle all print" "" \
|
|
{
|
|
"Signal\[ \]+Stop\[ \]+Print\[ \]+Pass to program\[ \]+Description\r\nSIGHUP\[ \]+Yes\[ \]+Yes\[ \]+Yes\[ \]+Hangup"
|
|
"SIG63\[ \]+Yes\[ \]+Yes\[ \]+Yes\[ \]+Real-time event 63"
|
|
"EXC_BREAKPOINT\[ \]+Yes\[ \]+Yes\[ \]+Yes\[ \]+Breakpoint"
|
|
}
|
|
} else {
|
|
gdb_test_sequence "handle all print" "" \
|
|
{
|
|
"Signal\[ \]+Stop\[ \]+Print\[ \]+Pass to program\[ \]+Description\r\nSIGHUP\[ \]+Yes\[ \]+Yes\[ \]+Yes\[ \]+Hangup"
|
|
"SIG63\[ \]+Yes\[ \]+Yes\[ \]+Yes\[ \]+Real-time event 63"
|
|
}
|
|
}
|
|
set timeout $oldtimeout
|
|
verbose "Timeout restored to $timeout seconds" 2
|
|
}
|
|
test_handle_all_print
|
|
|
|
clean_restart $binfile
|
|
|
|
if [runto_main] then {
|
|
|
|
# Since count is a static variable outside main, runto_main is no
|
|
# guarantee that count will be 0 at this point.
|
|
|
|
gdb_test_no_output "set variable count = 0"
|
|
|
|
# Test an inferior function call that takes a signal that hits a
|
|
# breakpoint (with a false condition). When GDB tries to run the
|
|
# stack dummy, it will hit the breakpoint at handler. Provided it
|
|
# doesn't lose its cool, this is not a problem, it just has to
|
|
# note that the breakpoint condition is false and keep going.
|
|
|
|
# ...setup an always false conditional breakpoint
|
|
|
|
gdb_test "break handler if 0" "Breakpoint \[0-9\]+ .*"
|
|
gdb_test_no_output "set \$handler_breakpoint_number = \$bpnum"
|
|
|
|
# ...setup the signal
|
|
|
|
gdb_test "next" "signal \\(SIGUSR1.*" "next to signal"
|
|
gdb_test "next" "alarm \\(.*" "next to alarm #1"
|
|
gdb_test "next" "\\+\\+count; /\\* first \\*/" \
|
|
"next to ++count #1"
|
|
sleep 2
|
|
|
|
# ...call the function
|
|
|
|
gdb_test "p func1 ()" "^p func1 \\(\\)\r\n.\[0-9\]* = void" \
|
|
"p func1 () #1"
|
|
|
|
# ...veryfiy that the cout was updated
|
|
|
|
gdb_test "p count" "= 2" "p count #1"
|
|
|
|
# Now run the same test but with a breakpoint that does stop.
|
|
|
|
# ...set up the breakpoint and signal
|
|
|
|
gdb_test "condition \$handler_breakpoint_number" "now unconditional\\."
|
|
gdb_test "next" "alarm \\(.*" "next to alarm #2"
|
|
gdb_test "next" "\\+\\+count; /\\* second \\*/" \
|
|
"next to ++count #2"
|
|
sleep 2
|
|
|
|
# ...call the function, which is immediatly interrupted
|
|
|
|
gdb_test "p func1 ()" \
|
|
"Breakpoint \[0-9\]*, handler.*
|
|
The program being debugged stopped while in a function called from GDB.*" \
|
|
"p func1 () #2"
|
|
|
|
# ...verify the backtrace
|
|
|
|
gdb_test "backtrace" \
|
|
"#0 handler.*#1 .signal handler called.*#2 func1.*#3 .function called from gdb.*#4.*main.*" \
|
|
"backtrace from handler when calling func1"
|
|
|
|
# ...and continue (silently returning)
|
|
|
|
gdb_test "continue" "Continuing\\."
|
|
|
|
# ...and then count should have been incremented
|
|
|
|
gdb_test "p count" "= 5" "p count #2"
|
|
|
|
|
|
# Verify that "info signals" produces reasonable output.
|
|
|
|
gdb_test "info signals" "SIGHUP.*SIGINT.*SIGQUIT.*SIGILL.*SIGTRAP.*SIGABRT.*SIGEMT.*SIGFPE.*SIGKILL.*SIGBUS.*SIGSEGV.*SIGSYS.*SIGPIPE.*SIGALRM.*SIGTERM.*SIGURG.*SIGSTOP.*SIGTSTP.*SIGCONT.*SIGCHLD.*SIGTTIN.*SIGTTOU.*SIGIO.*SIGXCPU.*SIGXFSZ.*SIGVTALRM.*SIGPROF.*SIGWINCH.*SIGLOST.*SIGUSR1.*SIGUSR2.*SIGPWR.*SIGPOLL.*SIGWIND.*SIGPHONE.*SIGWAITING.*SIGLWP.*SIGDANGER.*SIGGRANT.*SIGRETRACT.*SIGMSG.*SIGSOUND.*SIGSAK.*SIGPRIO.*SIG33.*SIG34.*SIG35.*SIG36.*SIG37.*SIG38.*SIG39.*SIG40.*SIG41.*SIG42.*SIG43.*SIG44.*SIG45.*SIG46.*SIG47.*SIG48.*SIG49.*SIG50.*SIG51.*SIG52.*SIG53.*SIG54.*SIG55.*SIG56.*SIG57.*SIG58.*SIG59.*SIG60.*SIG61.*SIG62.*SIG63.*Use the \"handle\" command to change these tables.*" \
|
|
"info signals"
|
|
|
|
# Verify that "info signal" correctly handles an argument, be it a
|
|
# symbolic signal name, or an integer ID.
|
|
|
|
gdb_test "info signal SIGTRAP" \
|
|
"SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \
|
|
"info signal SIGTRAP"
|
|
|
|
gdb_test "info signal 5" \
|
|
"SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \
|
|
"info signal 5"
|
|
|
|
# Verify that "handle" with illegal arguments is gracefully, um,
|
|
# handled.
|
|
|
|
gdb_test "handle" \
|
|
"Argument required .signal to handle.*" \
|
|
"handle without arguments"
|
|
|
|
gdb_test "handle SIGFOO" \
|
|
"Unrecognized or ambiguous flag word: \"SIGFOO\".*" \
|
|
"handle with bogus SIG"
|
|
|
|
gdb_test "handle SIGHUP frump" \
|
|
"Unrecognized or ambiguous flag word: \"frump\".*" \
|
|
"handle SIG with bogus action"
|
|
|
|
# Verify that "handle" can take multiple actions per SIG, and that
|
|
# in the case of conflicting actions, that the rightmost action
|
|
# "wins".
|
|
|
|
gdb_test "handle SIGHUP print noprint" \
|
|
"SIGHUP\[ \t\]*No\[ \t\]*No\[ \t\]*Yes\[ \t\]*Hangup.*" \
|
|
"handle SIG with multiple conflicting actions"
|
|
|
|
# Exercise all the various actions. (We don't care what the
|
|
# outcome is, this is just to ensure that they all can be parsed.)
|
|
|
|
gdb_test "handle SIGHUP print noprint stop nostop ignore noignore pass nopass" \
|
|
"Signal.*" \
|
|
"handle SIG parses all legal actions"
|
|
|
|
# Verify that we can "handle" multiple signals at once,
|
|
# interspersed with actions.
|
|
|
|
gdb_test "handle SIG63 print SIGILL" \
|
|
"SIGILL\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Illegal instruction.*SIG63\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Real-time event 63.*" \
|
|
"handle multiple SIGs"
|
|
|
|
# Verify that "handle" can take a numeric argument for the signal
|
|
# ID, rather than a symbolic name. (This may not be portable;
|
|
# works for HP-UX.)
|
|
|
|
# Also note that this testpoint overrides SIGTRAP, which on HP-UX
|
|
# at least, is used to implement single-steps and breakpoints.
|
|
# Don't expect to run the inferior after this!
|
|
|
|
set test "override SIGTRAP"
|
|
gdb_test_multiple "handle 5 nopass" "$test" {
|
|
-re "SIGTRAP is used by the debugger.*Are you sure you want to change it.*y or n.*" {
|
|
gdb_test "y" \
|
|
"SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*" \
|
|
"$test"
|
|
}
|
|
}
|
|
|
|
# GDB doesn't seem to allow numeric signal IDs larger than 15. Verify
|
|
# that restriction. ??rehrauer: Not sure if this is a feature or a
|
|
# bug, actually. Why is the range 1-15?
|
|
|
|
gdb_test "handle 58" \
|
|
"Only signals 1-15 are valid as numeric signals.*Use \"info signals\" for a list of symbolic signals.*" \
|
|
"invalid signal number rejected"
|
|
|
|
# Verify that we can accept a signal ID range (number-number).
|
|
# ??rehrauer: This feature isn't documented on the quick-reference
|
|
# card.
|
|
|
|
gdb_test "handle 13-15" \
|
|
"SIGPIPE.*SIGALRM.*SIGTERM.*" \
|
|
"handle multiple SIGs via integer range"
|
|
|
|
# Bizarrely enough, GDB also allows you to reverse the range stat,
|
|
# stop IDs. E.g., "3-1" and "1-3" mean the same thing. Probably
|
|
# this isn't documented, but the code anticipates it, so we'd best
|
|
# test it...
|
|
|
|
gdb_test "handle 15-13" \
|
|
"SIGPIPE.*SIGALRM.*SIGTERM.*" \
|
|
"handle multiple SIGs via reverse integer range"
|
|
|
|
# SIGINT is used by the debugger as well. Verify that we can
|
|
# change our minds about changing it.
|
|
|
|
set test "override SIGINT"
|
|
gdb_test_multiple "handle SIGINT nopass" "$test" {
|
|
-re "SIGINT is used by the debugger.*Are you sure you want to change it.*y or n.*" {
|
|
gdb_test_multiple "n" "$test" {
|
|
-re "Not confirmed, unchanged.*Signal.*$gdb_prompt $" {
|
|
# "Signal ..." should not be in the output.
|
|
fail gdb/8812 "$test"
|
|
}
|
|
-re "Not confirmed, unchanged.*$gdb_prompt $" {
|
|
pass "$test"
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# Verify that GDB responds gracefully to the "signal" command with
|
|
# a missing argument.
|
|
|
|
gdb_test "signal" \
|
|
"Argument required .signal number..*" \
|
|
"signal without arguments disallowed"
|
|
|
|
# Verify that we can successfully send a signal other than 0 to
|
|
# the inferior. (This probably causes the inferior to run away.
|
|
# Be prepared to rerun to main for further testing.)
|
|
|
|
gdb_test "signal SIGUSR1" "Breakpoint.*handler.*"
|
|
gdb_test "bt" \
|
|
"#0 handler .*#1 .signal handler called.*\#2 .*main.*" \
|
|
"backtrace for SIGUSR1"
|
|
}
|
|
|
|
return 0
|