Mon Sep 14 20:00:04 1998 Michael Snyder <msnyder@cleaver.cygnus.com>

        * lib/<emc-support.exp trace-support.exp}: New files.
        * configure.in: add new test directory gdb.trace.
        * gdb.trace/{configure configure.in Makefile.in}: New files.
        * gdb.trace/{actions.c actions.exp gdb_c_test.c}: New files.
        * gdb.trace/{circ.c circ.exp limits.c limits.exp}: New files.
        * gdb.trace/{collection.c collection.exp tfind.exp }: New files.
        * gdb.trace/{backtrace.exp deltrace.exp infotrace.exp}: New files.
        * gdb.trace/{packetlen.exp passc-dyn.exp passcount.exp}: New files.
        * gdb.trace/{report.exp save-trace.exp tracecmd.exp}: New files.
        * gdb.trace/{while-dyn.exp while-stepping.exp}: New files.

1 files changed, 307 insertions, 0 deletions

diff --git a/gdb/testsuite/lib/trace-support.exp b/gdb/testsuite/lib/trace-support.exp
new file mode 100644
index 0000000..4765791
--- /dev/null
+++ b/gdb/testsuite/lib/trace-support.exp
@@ -0,0 +1,307 @@
+# Copyright (C) 1998 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
+
+
+#
+# Support procedures for trace testing
+#
+
+
+#
+# Procedure: gdb_target_supports_trace
+# Returns true if GDB is connected to a target that supports tracing.
+# Allows tests to abort early if not running on a trace-aware target.
+#
+
+proc gdb_target_supports_trace { } {
+    global gdb_prompt
+
+    send_gdb "tstatus\n"
+    gdb_expect {
+	-re "\[Tt\]race can only be run on.*$gdb_prompt $" {
+	    return 0
+	}
+	-re "\[Tt\]race can not be run on.*$gdb_prompt $" {
+	    return 0
+	}
+	-re "\[Tt\]arget does not support.*$gdb_prompt $" {
+	    return 0
+	}
+	-re ".*\[Ee\]rror.*$gdb_prompt $" {
+	    return 0
+	}
+	-re ".*\[Ww\]arning.*$gdb_prompt $" {
+	    return 0
+	}
+	-re ".*$gdb_prompt $" {
+	    return 1
+	}
+	timeout {
+	    return 0
+	}
+    }
+}
+
+
+#
+# Procedure: gdb_delete_tracepoints
+# Many of the tests depend on setting tracepoints at various places and
+# running until that tracepoint is reached.  At times, we want to start
+# with a clean slate with respect to tracepoints, so this utility proc 
+# lets us do this without duplicating this code everywhere.
+#
+
+proc gdb_delete_tracepoints {} {
+    global gdb_prompt
+
+    send_gdb "delete tracepoints\n"
+    gdb_expect 30 {
+	-re "Delete all tracepoints.*y or n.*$" {
+	    send_gdb "y\n";
+	    exp_continue
+	}
+	-re ".*$gdb_prompt $" { # This happens if there were no tracepoints }
+	timeout { 
+	    perror "Delete all tracepoints in delete_tracepoints (timeout)" 
+	    return 
+	}
+    }
+    send_gdb "info tracepoints\n"
+    gdb_expect 30 {
+	 -re "No tracepoints.*$gdb_prompt $" {}
+	 -re "$gdb_prompt $" { perror "tracepoints not deleted" ; return }
+	 timeout { perror "info tracepoints (timeout)" ; return }
+    }
+}
+
+#
+# Procedure: gdb_trace_setactions
+#   Define actions for a tracepoint.
+#   Arguments:
+#	testname   -- identifying string for pass/fail output
+#	tracepoint -- to which tracepoint do these actions apply? (optional)
+#	args       -- list of actions to be defined.
+#   Returns:
+#	zero       -- success
+#	non-zero   -- failure
+
+proc gdb_trace_setactions { testname tracepoint args } {
+    global gdb_prompt;
+
+    set state 0;
+    set passfail "pass";
+    send_gdb "actions $tracepoint\n";
+    set expected_result "";
+    gdb_expect 5 {
+	-re "No tracepoint number .*$gdb_prompt $" {
+	    fail $testname
+	    return 1;
+	}
+	-re "Enter actions for tracepoint $tracepoint.*>" {
+	    if { [llength $args] > 0 } {
+		set lastcommand "[lindex $args $state]";
+		send_gdb "[lindex $args $state]\n";
+		incr state;
+		set expected_result [lindex $args $state];
+		incr state;
+	    } else {
+		send_gdb "end\n";
+	    }
+	    exp_continue;
+	}
+	-re "\(.*\)\[\r\n\]+\[ \t]*> $" {
+	    if { $expected_result != "" } {
+		regsub "^\[^\r\n\]+\[\r\n\]+" "$expect_out(1,string)" "" out;
+		if ![regexp $expected_result $out] {
+		    set passfail "fail";
+		}
+		set expected_result "";
+	    }
+	    if { $state < [llength $args] } {
+		send_gdb "[lindex $args $state]\n";
+		incr state;
+		set expected_result [lindex $args $state];
+		incr state;
+	    } else {
+		send_gdb "end\n";
+		set expected_result "";
+	    }
+	    exp_continue;
+	}
+	-re "\(.*\)$gdb_prompt $" {
+	    if { $expected_result != "" } {
+		if ![regexp $expected_result $expect_out(1,string)] {
+		    set passfail "fail";
+		}
+		set expected_result "";
+	    }
+	    if { [llength $args] < $state } {
+		set passfail "fail";
+	    }
+	}
+	default {
+	    set passfail "fail";
+	}
+    }
+    if { $testname != "" } {
+	$passfail $testname;
+    }
+    if { $passfail == "pass" } then { 
+	return 0;
+    } else {
+	return 1;
+    }
+}
+
+#
+# Procedure: gdb_tfind_test
+#   Find a specified trace frame.
+#   Arguments: 
+#	testname   -- identifying string for pass/fail output
+#	tfind_arg  -- frame (line, PC, etc.) identifier
+#	exp_res    -- Expected result of frame test
+#	args       -- Test expression
+#   Returns:
+#	zero       -- success
+#	non-zero   -- failure
+#
+
+proc gdb_tfind_test { testname tfind_arg exp_res args } {
+    global gdb_prompt;
+
+    if { "$args" != "" } {
+	set expr "$exp_res";
+	set exp_res "$args";
+    } else {
+	set expr "(int) \$trace_frame";
+    }
+    set passfail "fail";
+
+    gdb_test "tfind $tfind_arg" "" ""
+    send_gdb "printf \"x \%d x\\n\", $expr\n";
+    gdb_expect 10 {
+	-re "x (-*\[0-9\]+) x" {
+	    if { $expect_out(1,string) == $exp_res } {
+		set passfail "pass";
+	    }
+	    exp_continue;
+	}
+	-re "$gdb_prompt $" { }
+    }
+    $passfail "$testname";
+    if { $passfail == "pass" } then { 
+	return 0;
+    } else {
+	return 1;
+    }
+}
+
+#
+# Procedure: gdb_readexpr
+#   Arguments:
+#	gdb_expr    -- the expression whose value is desired
+#   Returns:
+#	the value of gdb_expr, as evaluated by gdb.
+#       [FIXME: returns -1 on error, which is sometimes a legit value]
+#
+
+proc gdb_readexpr { gdb_expr } {
+    global gdb_prompt;
+
+    set result -1;
+    send_gdb "print $gdb_expr\n"
+    gdb_expect 5 {
+	-re "\[$\].*= (\[0-9\]+).*$gdb_prompt $" {
+	    set result $expect_out(1,string);
+	}
+	-re "$gdb_prompt $" { }
+	default { }
+    }
+    return $result;
+}
+
+#
+# Procedure: gdb_gettpnum
+#   Arguments:
+#	tracepoint (optional): if supplied, set a tracepoint here.
+#   Returns:
+#	the tracepoint ID of the most recently set tracepoint.
+#
+
+proc gdb_gettpnum { tracepoint } {
+    global gdb_prompt;
+
+    if { $tracepoint != "" } {
+	gdb_test "trace $tracepoint" "" ""
+    }
+    return [gdb_readexpr "\$tpnum"];
+}
+
+
+#
+# Procedure: gdb_find_function_baseline
+#   Arguments:
+#	func_name -- name of source function
+#   Returns:
+#	Sourcefile line of function definition (open curly brace),
+#	or -1 on failure.  Caller must check return value.
+#   Note:
+#	Works only for open curly brace at beginning of source line!
+#
+
+proc gdb_find_function_baseline { func_name } {
+    global gdb_prompt;
+
+    set baseline -1;
+
+    send_gdb "list $func_name\n"
+#    gdb_expect {
+#	-re "\[\r\n\]\[\{\].*$gdb_prompt $" {
+#	    set baseline 1
+#        }
+#    }
+}
+
+#
+# Procedure: gdb_find_function_baseline
+#   Arguments:
+#	filename: name of source file of desired function.
+#   Returns:
+#	Sourcefile line of function definition (open curly brace),
+#	or -1 on failure.  Caller must check return value.
+#   Note:
+#	Works only for open curly brace at beginning of source line!
+#
+
+proc gdb_find_recursion_test_baseline { filename } {
+    global gdb_prompt;
+
+    set baseline -1;
+
+    gdb_test "list $filename:1" "" ""
+    send_gdb "search gdb_recursion_test line 0\n"
+    gdb_expect {
+	-re "(\[0-9\]+)\[\t \]+\{.*line 0.*$gdb_prompt $" {
+	    set baseline $expect_out(1,string);
+	}
+	-re "$gdb_prompt $" { }
+	default { }
+    }
+    return $baseline;
+}