2005-11-15 Jeff Johnston <jjohnstn@redhat.com>
* linux-thread-db.c (thread_db_wait): Don't bother continuing if
the wait result indicates the program terminated with a signal.
* linux-nat.c (linux_nat_wait): For SIGILL and SIGTRAP, don't
throw away the event if the user has specified nostop noprint.
gdb/testsuite:
2005-11-15 Jeff Johnston <jjohnstn@redhat.com>
* gdb.arch/ia64-sigill.c: New test.
* gdb.arch/ia64-sigill.exp: Ditto.
Index: gdb-6.8.50.20081128/gdb/testsuite/gdb.arch/ia64-sigill.exp
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-6.8.50.20081128/gdb/testsuite/gdb.arch/ia64-sigill.exp 2008-12-02 21:10:57.000000000 +0100
@@ -0,0 +1,59 @@
+# Copyright 2005 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 Jeff Johnston (jjohnstn@redhat.com)
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+#
+# test running programs
+#
+set prms_id 0
+set bug_id 0
+
+if ![istarget "ia64-*-*"] then {
+ return
+}
+
+set testfile "ia64-sigill"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+
+# Deliberately compile with pthreads, even though test is single-threaded.
+# We want to force gdb thread code to be exercised.
+if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
+if [get_compiler_info ${binfile}] {
+ return -1
+}
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+# We set up SIGILL nostop, noprint, pass and then run the program.
+# We expect to just see a normal run.
+gdb_test "handle SIGILL nostop noprint" "SIGILL.*No.*No.*Yes.*" "handle sigill"
+gdb_test "run" "Starting program.*ia64-sigill.*\[New thread.*\].*hello world.*Program exited normally." "run to exit"
+
Index: gdb-6.8.50.20081128/gdb/testsuite/gdb.arch/ia64-sigill.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-6.8.50.20081128/gdb/testsuite/gdb.arch/ia64-sigill.c 2008-12-02 21:10:57.000000000 +0100
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int main()
+{
+ printf ("hello world\n");
+ return 0;
+}
+
Index: gdb-6.8.50.20081128/gdb/linux-nat.c
===================================================================
--- gdb-6.8.50.20081128.orig/gdb/linux-nat.c 2008-12-02 19:04:38.000000000 +0100
+++ gdb-6.8.50.20081128/gdb/linux-nat.c 2008-12-02 21:11:11.000000000 +0100
@@ -2974,7 +2974,8 @@ retry:
threads can be a bit time-consuming so if we want decent
performance with heavily multi-threaded programs, especially when
they're using a high frequency timer, we'd better avoid it if we
- can. */
+ can. For possible trap signals like SIGTRAP and SIGILL, don't
+ avoid reporting. */
if (WIFSTOPPED (status))
{
@@ -2992,7 +2993,9 @@ retry:
&& inf->stop_soon == NO_STOP_QUIETLY
&& signal_stop_state (signo) == 0
&& signal_print_state (signo) == 0
- && signal_pass_state (signo) == 1)
+ && signal_pass_state (signo) == 1
+ && signo != TARGET_SIGNAL_ILL
+ && signo != TARGET_SIGNAL_TRAP)
{
/* FIMXE: kettenis/2001-06-06: Should we resume all threads
here? It is not clear we should. GDB may not expect