+++ /dev/null
-2007-06-25 Jan Kratochvil <jan.kratochvil@redhat.com>
-
- * gdb.threads/atomic-seq-threaded.c,
- gdb.threads/atomic-seq-threaded.exp: New files.
-
-Index: gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/atomic-seq-threaded.c
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/atomic-seq-threaded.c 2008-12-08 22:27:01.000000000 +0100
-@@ -0,0 +1,171 @@
-+/* This testcase is part of GDB, the GNU debugger.
-+
-+ Copyright 2007 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., 51 Franklin Street, Fifth Floor, Boston,
-+ MA 02110-1301, USA. */
-+
-+/* Test stepping over RISC atomic sequences.
-+ This variant testcases the code for stepping another thread while skipping
-+ over the atomic sequence in the former thread
-+ (STEPPING_PAST_SINGLESTEP_BREAKPOINT).
-+ Code comes from gcc/testsuite/gcc.dg/sync-2.c */
-+
-+/* { dg-options "-march=i486" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
-+/* { dg-options "-mcpu=v9" { target sparc*-*-* } } */
-+
-+/* Test functionality of the intrinsics for 'short' and 'char'. */
-+
-+#include <stdlib.h>
-+#include <string.h>
-+#include <pthread.h>
-+#include <assert.h>
-+#include <unistd.h>
-+
-+#define LOOPS 2
-+
-+static int unused;
-+
-+static char AI[18];
-+static char init_qi[18] = { 3,5,7,9,0,0,0,0,-1,0,0,0,0,0,-1,0,0,0 };
-+static char test_qi[18] = { 3,5,7,9,1,4,22,-12,7,8,9,7,1,-12,7,8,9,7 };
-+
-+static void
-+do_qi (void)
-+{
-+ if (__sync_fetch_and_add(AI+4, 1) != 0)
-+ abort ();
-+ if (__sync_fetch_and_add(AI+5, 4) != 0)
-+ abort ();
-+ if (__sync_fetch_and_add(AI+6, 22) != 0)
-+ abort ();
-+ if (__sync_fetch_and_sub(AI+7, 12) != 0)
-+ abort ();
-+ if (__sync_fetch_and_and(AI+8, 7) != (char)-1)
-+ abort ();
-+ if (__sync_fetch_and_or(AI+9, 8) != 0)
-+ abort ();
-+ if (__sync_fetch_and_xor(AI+10, 9) != 0)
-+ abort ();
-+ if (__sync_fetch_and_nand(AI+11, 7) != 0)
-+ abort ();
-+
-+ if (__sync_add_and_fetch(AI+12, 1) != 1)
-+ abort ();
-+ if (__sync_sub_and_fetch(AI+13, 12) != (char)-12)
-+ abort ();
-+ if (__sync_and_and_fetch(AI+14, 7) != 7)
-+ abort ();
-+ if (__sync_or_and_fetch(AI+15, 8) != 8)
-+ abort ();
-+ if (__sync_xor_and_fetch(AI+16, 9) != 9)
-+ abort ();
-+ if (__sync_nand_and_fetch(AI+17, 7) != 7)
-+ abort ();
-+}
-+
-+static short AL[18];
-+static short init_hi[18] = { 3,5,7,9,0,0,0,0,-1,0,0,0,0,0,-1,0,0,0 };
-+static short test_hi[18] = { 3,5,7,9,1,4,22,-12,7,8,9,7,1,-12,7,8,9,7 };
-+
-+static void
-+do_hi (void)
-+{
-+ if (__sync_fetch_and_add(AL+4, 1) != 0)
-+ abort ();
-+ if (__sync_fetch_and_add(AL+5, 4) != 0)
-+ abort ();
-+ if (__sync_fetch_and_add(AL+6, 22) != 0)
-+ abort ();
-+ if (__sync_fetch_and_sub(AL+7, 12) != 0)
-+ abort ();
-+ if (__sync_fetch_and_and(AL+8, 7) != -1)
-+ abort ();
-+ if (__sync_fetch_and_or(AL+9, 8) != 0)
-+ abort ();
-+ if (__sync_fetch_and_xor(AL+10, 9) != 0)
-+ abort ();
-+ if (__sync_fetch_and_nand(AL+11, 7) != 0)
-+ abort ();
-+
-+ if (__sync_add_and_fetch(AL+12, 1) != 1)
-+ abort ();
-+ if (__sync_sub_and_fetch(AL+13, 12) != -12)
-+ abort ();
-+ if (__sync_and_and_fetch(AL+14, 7) != 7)
-+ abort ();
-+ if (__sync_or_and_fetch(AL+15, 8) != 8)
-+ abort ();
-+ if (__sync_xor_and_fetch(AL+16, 9) != 9)
-+ abort ();
-+ if (__sync_nand_and_fetch(AL+17, 7) != 7)
-+ abort ();
-+}
-+
-+static void *
-+start1 (void *arg)
-+{
-+ unsigned loop;
-+ sleep(1);
-+
-+ for (loop = 0; loop < LOOPS; loop++)
-+ {
-+ memcpy(AI, init_qi, sizeof(init_qi));
-+
-+ do_qi ();
-+
-+ if (memcmp (AI, test_qi, sizeof(test_qi)))
-+ abort ();
-+ }
-+
-+ return arg; /* _delete1_ */
-+}
-+
-+static void *
-+start2 (void *arg)
-+{
-+ unsigned loop;
-+
-+ for (loop = 0; loop < LOOPS; loop++)
-+ {
-+ memcpy(AL, init_hi, sizeof(init_hi));
-+
-+ do_hi ();
-+
-+ if (memcmp (AL, test_hi, sizeof(test_hi)))
-+ abort ();
-+ }
-+
-+ return arg; /* _delete2_ */
-+}
-+
-+int
-+main (int argc, char **argv)
-+{
-+ pthread_t thread;
-+ int i;
-+
-+ i = pthread_create (&thread, NULL, start1, NULL); /* _create_ */
-+ assert (i == 0); /* _create_after_ */
-+
-+ sleep (1);
-+
-+ start2 (NULL);
-+
-+ i = pthread_join (thread, NULL); /* _delete_ */
-+ assert (i == 0);
-+
-+ return 0; /* _exit_ */
-+}
-Index: gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/atomic-seq-threaded.exp
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/atomic-seq-threaded.exp 2008-12-08 22:31:01.000000000 +0100
-@@ -0,0 +1,84 @@
-+# atomic-seq-threaded.exp -- Test case for stepping over RISC atomic code seqs.
-+# This variant testcases the code for stepping another thread while skipping
-+# over the atomic sequence in the former thread
-+# (STEPPING_PAST_SINGLESTEP_BREAKPOINT).
-+# Copyright (C) 2007 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
-+
-+set testfile atomic-seq-threaded
-+set srcfile ${testfile}.c
-+set binfile ${objdir}/${subdir}/${testfile}
-+
-+foreach opts {{} {compiler=gcc4} {FAIL}} {
-+ if {$opts eq "FAIL"} {
-+ return -1
-+ }
-+ if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $opts]] eq "" } {
-+ break
-+ }
-+}
-+
-+gdb_exit
-+gdb_start
-+gdb_reinitialize_dir $srcdir/$subdir
-+
-+gdb_load ${binfile}
-+if ![runto_main] then {
-+ fail "Can't run to main"
-+ return 0
-+}
-+
-+# pthread_create () will not pass even on x86_64 with software watchpoint.
-+# Pass after pthread_create () without any watchpoint active.
-+set line [gdb_get_line_number "_create_after_"]
-+gdb_test "tbreak $line" \
-+ "reakpoint (\[0-9\]+) at .*$srcfile, line $line\..*" \
-+ "set breakpoint after pthread_create ()"
-+gdb_test "c" \
-+ ".*/\\* _create_after_ \\*/.*" \
-+ "run till after pthread_create ()"
-+
-+# Without a watchpoint being software no single-stepping would be used.
-+set test "Start (software) watchpoint"
-+gdb_test_multiple "watch unused" $test {
-+ -re "Watchpoint \[0-9\]+: unused.*$gdb_prompt $" {
-+ pass $test
-+ }
-+ -re "Hardware watchpoint \[0-9\]+: unused.*$gdb_prompt $" {
-+ # We do not test the goal but still the whole testcase should pass.
-+ unsupported $test
-+ }
-+}
-+
-+# More thorough testing of the scheduling logic.
-+gdb_test "set scheduler-locking step" ""
-+
-+# Critical code path is stepped through at this point.
-+set line [gdb_get_line_number "_exit_"]
-+gdb_test "tbreak $line" \
-+ "reakpoint \[0-9\]+ at .*$srcfile, line $line\..*" \
-+ "set breakpoint at _exit_"
-+gdb_test "c" \
-+ ".*/\\* _exit_ \\*/.*" \
-+ "run till _exit_"
-+
-+# Just a nonproblematic program exit.
-+gdb_test "c" \
-+ ".*Program exited normally\\..*" \
-+ "run till program exit"
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