-# Copyright (C) 1997 Free Software Foundation, Inc.
+# Copyright 1997, 1998, 1999, 2003 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
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
- perror "Couldn't compile ${srcfile}"
- return -1
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}
# Create and source the file that provides information about the compiler
return -1;
}
+if {$hp_cc_compiler} {
+ set void 0
+} else {
+ set void void
+}
+
proc signal_tests_1 {} {
global gdb_prompt
if [runto_main] then {
# through_sigtramp_breakpoint upon return from the signal
# handler.
+ # SVR4 and Linux based i*86 systems exhibit this behaviour
+ # as well (it is uncovered by the `continue from a break
+ # in a signal handler' test below).
+ # As these systems use procfs, where we tell the kernel not
+ # to tell gdb about `pass' signals, and the trace flag is
+ # cleared by the kernel before entering the sigtramp
+ # routine, GDB will not notice the execution of the signal
+ # handler.
+ # Upon return from the signal handler, GDB will receive
+ # a SIGTRAP from the set trace flag in the restored context.
+ # The SIGTRAP marks the end of a (albeit long winded)
+ # single step for GDB, causing this test to pass.
+
fail "next to 2nd alarm (1) (probably kernel bug)"
gdb_test "next" "alarm.*" "next to 2nd alarm (1)"
}
set bash_bug 0
send_gdb "next\n"
- setup_xfail "i*86-pc-linux-gnu"
gdb_expect {
-re "Breakpoint.*handler.*$gdb_prompt $" {
pass "next to handler in signals_tests_1"
# This doesn't test that main is frame #2, just that main is frame
# #2, #3, or higher. At some point this should be fixed (but
# it quite possibly would introduce new FAILs on some systems).
- setup_xfail "i*86-pc-linux-gnu" "i*86-*-bsdi2.0"
- gdb_test "backtrace" "#0.*handler.*#1.*#2.*main.*" \
+ setup_xfail "i*86-*-bsdi2.0"
+ gdb_test "backtrace 10" "#0.*handler.*#1.*signal handler.*#2.* main .*" \
"backtrace in signals_tests_1"
gdb_test "break func1" "Breakpoint \[0-9\]+ .*"
# a SIGTRAP, but with different symptoms.
setup_xfail "vax-*-ultrix*"
setup_xfail "i*86-*-bsd*"
- setup_xfail "i*86-pc-linux-gnu"
+ setup_xfail "i*86-pc-linux-gnu*"
+ setup_xfail "i*86-*-solaris2*"
send_gdb "continue\n"
gdb_expect {
-re "Breakpoint.*func1.*$gdb_prompt $" { pass "continue to func1" }
# GDB yanks out the breakpoints to step over the breakpoint it
# stopped at, which means the breakpoint at handler is yanked.
- # But if NO_SINGLE_STEP, we won't get another chance to reinsert
- # them (at least not with procfs, where we tell the kernel not
- # to tell gdb about `pass' signals). So the fix would appear to
+ # But if SOFTWARE_SINGLE_STEP_P, we won't get another chance to
+ # reinsert them (at least not with procfs, where we tell the kernel
+ # not to tell gdb about `pass' signals). So the fix would appear to
# be to just yank that one breakpoint when we step over it.
setup_xfail "sparc*-*-*"
setup_xfail "m68*-*-sunos4*"
}
- setup_xfail "i*86-pc-linux-gnu"
+ setup_xfail "i*86-pc-linux-gnu*"
+ setup_xfail "i*86-*-solaris2*"
gdb_test "continue" "Breakpoint.*handler.*" "continue to handler"
- # If the NO_SINGLE_STEP failure happened, we have already exited.
- # If we succeeded a continue will return from the handler to func2.
+ # If the SOFTWARE_SINGLE_STEP_P failure happened, we have already
+ # exited.
+ # If we succeeded a continue will return from the handler to func2.
# GDB now has `forgotten' that it intended to step over the
# breakpoint at func2 and will stop at func2.
setup_xfail "*-*-*"
# braindamage.
if {[ istarget "m68*-motorola-*" ] || [ istarget "hppa*-*-bsd*" ] ||
- [ istarget "*-*-hpux*" ] || [ istarget "hppa*-*-osf*" ]} then {
+ [ istarget "hppa*-*-osf*" ]} then {
setup_xfail "*-*-*"
fail "ptrace loses on signals on this target"
return 0
set oldtimeout $timeout
set timeout [expr "$timeout + 360"]
verbose "Timeout is now $timeout seconds" 2
- match_max 10000
- gdb_test "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"
+ if { ![istarget "*-*-linux*"]
+ && ( [istarget "*-*-gnu*"]
+ || [istarget "*-*-mach*"] ) } {
+ gdb_test "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 "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
}
}
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 "set variable count = 0" ""
gdb_test "break handler if 0" "Breakpoint \[0-9\]+ .*"
gdb_test "set \$handler_breakpoint_number = \$bpnum" ""
# lose its cool, this is not a problem, it just has to note
# that the breakpoint condition is false and keep going.
- gdb_test "p func1 ()" "^p func1 \\(\\)\r\n.\[0-9\]* = void" \
+ gdb_test "p func1 ()" "^p func1 \\(\\)\r\n.\[0-9\]* = $void" \
"p func1 () #1 in signals.exp"
# Make sure the count got incremented.
# But we should be able to backtrace...
# On alpha-*-osf2.0 this test works when run manually but sometime fails when
# run under dejagnu, making it very hard to debug the problem. Weird...
- gdb_test "bt" "#0.*handler.*#1.*#2.*main.*" "bt in signals.exp"
+ gdb_test "bt 10" "#0.*handler.*#1.*signal handler.*#2.* main .*" "bt in signals.exp"
# ...and continue...
gdb_test "continue" "Continuing\\." "continue in signals.exp"
# ...and then count should have been incremented
gdb_test "p count" "= 5" "p count #2 in signals.exp"
+
+
+# Verify that "info signals" produces reasonable output.
+#
+ send_gdb "info signals\n"
+ gdb_expect {
+ -re "SIGHUP.*SIGINT.*SIGQUIT.*SIGILL.*SIGTRAP.*SIGABRT.*SIGEMT.*SIGFPE.*SIGKILL.*SIGBUS.*SIGSEGV.*SIGSYS.*SIGPIPE.*SIGALRM.*SIGTERM.*SIGURG.*SIGSTOP.*SIGTSTP.*SIGCONT.*SIGCHLD.*SIGTTIN.*SIGTTOU.*SIGIO.*SIGXCPU.*SIGXFSZ.*SIGVTALRM.*SIGPROF.*SIGWINCH.*SIGLOST.*SIGUSR1.*SIGUSR2.*SIGPWR.*SIGPOLL.*SIGWIND.*SIGPHONE.*SIGWAITING.*SIGLWP.*SIGDANGER.*SIGGRANT.*SIGRETRACT.*SIGMSG.*SIGSOUND.*SIGSAK.*SIGPRIO.*SIG33.*SIG34.*SIG35.*SIG36.*SIG37.*SIG38.*SIG39.*SIG40.*SIG41.*SIG42.*SIG43.*SIG44.*SIG45.*SIG46.*SIG47.*SIG48.*SIG49.*SIG50.*SIG51.*SIG52.*SIG53.*SIG54.*SIG55.*SIG56.*SIG57.*SIG58.*SIG59.*SIG60.*SIG61.*SIG62.*SIG63.*Use the \"handle\" command to change these tables.*$gdb_prompt $"\
+ {pass "info signals"}
+ -re "$gdb_prompt $"\
+ {fail "info signals"}
+ timeout {fail "(timeout) info signals"}
+ }
+
+# Verify that "info signal" correctly handles an argument, be it a
+# symbolic signal name, or an integer ID.
+#
+ send_gdb "info signal SIGTRAP\n"
+ gdb_expect {
+ -re ".*SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*$gdb_prompt $"\
+ {pass "info signal SIGTRAP"}
+ -re "$gdb_prompt $"\
+ {fail "info signal SIGTRAP"}
+ timeout {fail "(timeout) info signal SIGTRAP"}
+ }
+
+ send_gdb "info signal 5\n"
+ gdb_expect {
+ -re ".*SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*$gdb_prompt $"\
+ {pass "info signal 5"}
+ -re "$gdb_prompt $"\
+ {fail "info signal 5"}
+ timeout {fail "(timeout) info signal 5"}
+ }
+
+# Verify that "handle" with illegal arguments is gracefully, um, handled.
+#
+ send_gdb "handle\n"
+ gdb_expect {
+ -re "Argument required .signal to handle.*$gdb_prompt $"\
+ {pass "handle without arguments"}
+ -re "$gdb_prompt $"\
+ {fail "handle without arguments"}
+ timeout {fail "(timeout) handle without arguments"}
+ }
+
+ send_gdb "handle SIGFOO\n"
+ gdb_expect {
+ -re "Unrecognized or ambiguous flag word: \"SIGFOO\".*$gdb_prompt $"\
+ {pass "handle with bogus SIG"}
+ -re "$gdb_prompt $"\
+ {fail "handle with bogus SIG"}
+ timeout {fail "(timeout) handle with bogus SIG"}
+ }
+
+ send_gdb "handle SIGHUP frump\n"
+ gdb_expect {
+ -re "Unrecognized or ambiguous flag word: \"frump\".*$gdb_prompt $"\
+ {pass "handle SIG with bogus action"}
+ -re "$gdb_prompt $"\
+ {fail "handle SIG with bogus action"}
+ timeout {fail "(timeout) 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".
+#
+ send_gdb "handle SIGHUP print noprint\n"
+ gdb_expect {
+ -re ".*SIGHUP\[ \t\]*No\[ \t\]*No\[ \t\]*Yes\[ \t\]*Hangup.*$gdb_prompt $"\
+ {pass "handle SIG with multiple conflicting actions"}
+ -re "$gdb_prompt $"\
+ {fail "handle SIG with multiple conflicting actions"}
+ timeout {fail "(timeout) handle SIG with multiple conflicting actions"}
+ }
+
+# Exercise all the various actions. (We don't care what the outcome
+# is, this is just to ensure that they all can be parsed.)
+#
+ send_gdb "handle SIGHUP print noprint stop nostop ignore noignore pass nopass\n"
+ gdb_expect {
+ -re ".*Signal.*$gdb_prompt $"\
+ {pass "handle SIG parses all legal actions"}
+ -re "$gdb_prompt $"\
+ {fail "handle SIG parses all legal actions"}
+ timeout {fail "(timeout) handle SIG parses all legal actions"}
+ }
+
+# Verify that we can "handle" multiple signals at once, interspersed
+# with actions.
+#
+ send_gdb "handle SIG63 print SIGILL\n"
+ gdb_expect {
+ -re ".*SIGILL\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Illegal instruction.*SIG63\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Real-time event 63.*$gdb_prompt $"\
+ {pass "handle multiple SIGs"}
+ -re "$gdb_prompt $"\
+ {fail "handle multiple SIGs"}
+ timeout {fail "(timeout) 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!
+#
+ send_gdb "handle 5 nopass\n"
+ gdb_expect {
+ -re ".*SIGTRAP is used by the debugger.*Are you sure you want to change it.*y or n.*"\
+ {send_gdb "y\n"
+ gdb_expect {
+ -re ".*SIGTRAP\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*No\[ \t\]*Trace/breakpoint trap.*$gdb_prompt $"\
+ {pass "override SIGTRAP (#5)"}
+ -re "$gdb_prompt $"\
+ {fail "override SIGTRAP (#5)"}
+ timeout {fail "(timeout) override SIGTRAP (#5)"}
+ }
+ }
+ -re "$gdb_prompt $"\
+ {fail "override SIGTRAP (#5)"}
+ timeout {fail "(timeout) override SIGTRAP (#5)"}
+ }
+
+# GDB doesn't seem to allow numeric signal IDs larger than 15. Verify
+# that restriction. ??rehrauer: Not sure if this is a feature or a
+# bug, actually. Why is the range 1-15?
+#
+ send_gdb "handle 58\n"
+ gdb_expect {
+ -re "Only signals 1-15 are valid as numeric signals.*Use \"info signals\" for a list of symbolic signals.*$gdb_prompt $"\
+ {pass "invalid signal number rejected"}
+ -re "$gdb_prompt $"\
+ {fail "invalid signal number rejected"}
+ timeout {fail "(timeout) invalid signal number rejected"}
+ }
+
+# Verify that we can accept a signal ID range (number-number).
+# ??rehrauer: This feature isn't documented on the quick-reference
+# card.
+#
+ send_gdb "handle 13-15\n"
+ gdb_expect {
+ -re ".*SIGPIPE.*SIGALRM.*SIGTERM.*$gdb_prompt $"\
+ {pass "handle multiple SIGs via integer range"}
+ -re "$gdb_prompt $"\
+ {fail "handle multiple SIGs via integer range"}
+ timeout {fail "(timeout) handle multiple SIGs via integer range"}
+
+ }
+
+# Bizarrely enough, GDB also allows you to reverse the range
+# stat, stop IDs. E.g., "3-1" and "1-3" mean the same thing.
+# Probably this isn't documented, but the code anticipates it,
+# so we'd best test it...
+#
+ send_gdb "handle 15-13\n"
+ gdb_expect {
+ -re ".*SIGPIPE.*SIGALRM.*SIGTERM.*$gdb_prompt $"\
+ {pass "handle multiple SIGs via integer range"}
+ -re "$gdb_prompt $"\
+ {fail "handle multiple SIGs via integer range"}
+ timeout {fail "(timeout) handle multiple SIGs via integer range"}
+
+ }
+
+# SIGINT is used by the debugger as well. Verify that we can change
+# our minds about changing it.
+#
+ send_gdb "handle SIGINT nopass\n"
+ gdb_expect {
+ -re ".*SIGINT is used by the debugger.*Are you sure you want to change it.*y or n.*"\
+ {send_gdb "n\n"
+# ??rehrauer: When you answer "n", the header for the signal info is
+# printed, but not the actual handler settings. Probably a bug.
+#
+ gdb_expect {
+ -re "Not confirmed, unchanged.*Signal.*$gdb_prompt $"\
+ {pass "override SIGINT"}
+ -re "$gdb_prompt $"\
+ {fail "override SIGINT"}
+ timeout {fail "(timeout) override SIGINT"}
+ }
+ }
+ -re "$gdb_prompt $"\
+ {fail "override SIGINT"}
+ timeout {fail "(timeout) override SIGINT"}
+ }
+
+# Verify that GDB responds gracefully to the "signal" command with
+# a missing argument.
+#
+ send_gdb "signal\n"
+ gdb_expect {
+ -re "Argument required .signal number..*$gdb_prompt $"\
+ {pass "signal without arguments disallowed"}
+ -re "$gdb_prompt $"\
+ {fail "signal without arguments disallowed"}
+ timeout {fail "(timeout) signal without arguments disallowed"}
+ }
+
+# Verify that we can successfully send a signal other than 0 to
+# the inferior. (This probably causes the inferior to run away.
+# Be prepared to rerun to main for further testing.)
+#
+ send_gdb "signal 5\n"
+ gdb_expect {
+ -re "Continuing with signal SIGTRAP.*$gdb_prompt $"\
+ {pass "sent signal 5"}
+ -re "$gdb_prompt $"\
+ {fail "sent signal 5"}
+ timeout {fail "(timeout) sent signal 5"}
+ }
+
}
return 0