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, 376 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.trace/backtrace.exp b/gdb/testsuite/gdb.trace/backtrace.exp
new file mode 100644
index 0000000..e420029
--- /dev/null
+++ b/gdb/testsuite/gdb.trace/backtrace.exp
@@ -0,0 +1,376 @@
+#   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
+
+# This file was written by Michael Snyder (msnyder@cygnus.com)
+
+load_lib "trace-support.exp";
+
+if $tracelevel then {
+    strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+gdb_exit
+gdb_start
+
+if [istarget "m68k-*-elf"] then {
+    load_lib "emc-support.exp";
+    set srcfile gdb_c_test.c
+    set binfile [board_info target d490_binfile];
+    gdb_test "set remotetimeout 6" "" ""
+    set timeout 500
+    gdb_target_monitor "$binfile"
+    # Give a TSTOP and ignore errors, to make sure any previous trace is off
+    gdb_test "tstop" "" ""
+    gdb_test "tfind none"  "" ""
+    send_gdb "compare-sections CS\n"
+    gdb_expect {
+	-re "MIS-MATCHED.*$gdb_prompt $" {
+	    gdb_suppress_entire_file "Symbol file does not match target!
+	    all tests in this module will fail.";
+	}
+	-re ".*$gdb_prompt $" { }
+    }
+} else {
+    set testfile "actions"
+    set srcfile ${testfile}.c
+    set binfile $objdir/$subdir/$testfile
+    if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
+	    executable {debug additional_flags="-gdwarf"}] != "" } {
+	gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+    }
+    gdb_load $binfile
+    gdb_test "tstop"       "" ""
+    gdb_test "tfind none"  "" ""
+    runto_main
+}
+gdb_reinitialize_dir $srcdir/$subdir
+
+# We generously give ourselves one "pass" if we successfully 
+# detect that this test cannot be run on this target!
+if { ![gdb_target_supports_trace] } then {
+    pass "Current target does not supporst trace"
+    return 1;
+
+}
+
+#
+# test backtraces in trace frames
+#
+
+set testline1 0
+set testline2 0
+set testline3 0
+set testline4 0
+set testline5 0
+set testline6 0
+
+set arg1 1
+set arg2 2
+set arg3 3
+set arg4 4
+set arg5 5
+set arg6 6
+
+set baseline [gdb_find_recursion_test_baseline $srcfile];
+if { $baseline == -1 } {
+    fail "Could not find gdb_recursion_test function"
+    return;
+}
+
+send_gdb "list $baseline, +12\n"
+gdb_expect {
+    -re "\[\r\n\](\[0-9\]+).*gdbtestline 1 " {
+	set testline1 $expect_out(1,string)
+	exp_continue
+    }
+    -re "\[\r\n\](\[0-9\]+).*gdbtestline 2 " {
+	set testline2 $expect_out(1,string)
+	exp_continue
+    }
+    -re "\[\r\n\](\[0-9\]+).*gdbtestline 3 " {
+	set testline3 $expect_out(1,string)
+	exp_continue
+    }
+    -re "\[\r\n\](\[0-9\]+).*gdbtestline 4 " {
+	set testline4 $expect_out(1,string)
+	exp_continue
+    }
+    -re "\[\r\n\](\[0-9\]+).*gdbtestline 5 " {
+	set testline5 $expect_out(1,string)
+	exp_continue
+    }
+    -re "\[\r\n\](\[0-9\]+).*gdbtestline 6 " {
+	set testline6 $expect_out(1,string)
+	exp_continue
+    }
+    -re ".*$gdb_prompt $" {
+	if { ($testline1 == 0) || ($testline2 == 0) || ($testline3 == 0) || ($testline4 == 0) || ($testline5 == 0) || ($testline6 == 0) } {
+	    gdb_suppress_entire_file "failed to locate test source lines:
+all tests in this module will fail."
+	}
+    }
+    default {
+	    gdb_suppress_entire_file "failed to locate test source lines (def):
+all tests in this module will fail."
+    } 
+}
+
+#
+# Setup backtrace experiment.  This will involve:
+#   1) a tracepoint where nothing is collected
+#   2) a tracepoint where only regs are collected
+#   3) a tracepoint where regs, locals and args are collected
+#   4) a tracepoint where regs plus some amount of stack are collected.
+#
+
+gdb_delete_tracepoints
+set tdp2 [gdb_gettpnum $testline2]
+set tdp3 [gdb_gettpnum $testline3]
+set tdp4 [gdb_gettpnum $testline4]
+set tdp5 [gdb_gettpnum $testline5]
+set tdp6 [gdb_gettpnum $testline6]
+if {    $tdp2 <= 0 || $tdp3 <= 0 || \
+	$tdp4 <= 0 || $tdp5 <= 0 || $tdp6 <= 0 } then {
+    fail "setting tracepoints failed"
+    return;
+}
+
+#gdb_trace_setactions "setup TP to collect FP" \
+#	"$tdp2" \
+#	"collect \$fp" ""
+#
+
+gdb_trace_setactions "8.6: setup TP to collect regs" \
+	"$tdp3" \
+	"collect \$regs" "^$"
+
+gdb_trace_setactions "8.6: setup TP to collect regs, args, and locals" \
+	"$tdp4" \
+	"collect \$regs, \$args, \$locs" "^$"
+
+gdb_trace_setactions "8.6: setup TP to collect stack mem cast expr" \
+	"$tdp6" \
+	"collect \$fp, \(\*\(void \*\*\) \(\$sp\)\) @ 64" "^$"
+
+gdb_test "tstart" "" ""
+
+if [istarget "m68k-*-elf"] then {
+    gdb_emclaptop_command "85,$arg1,$arg2,$arg3,$arg4,$arg5,$arg6"
+    sleep 5
+} else {
+    gdb_test "break end" "" ""
+    gdb_test "continue" \
+	    "Continuing.*Breakpoint $decimal, end.*" \
+	    "run trace experiment"
+}
+
+gdb_test "tstop" "" ""
+
+proc gdb_backtrace_tdp_1 { msg } {
+    global gdb_prompt
+    
+    # We are in a trace frame at which we didn't collect anything
+    # except $PC.  Therefore we expect to be able to identify stack
+    # frame #0, but that's about all.  In particular we do not expect
+    # to be able to display the function's arguments or locals, and we
+    # do not expect to be able to identify the caller of this function.
+    
+    send_gdb "backtrace\n"
+    gdb_expect {
+	-re "#0\[\t \]+gdb_recursion_test.*depth=.*$gdb_prompt $" {
+	    pass "$msg"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "$msg"
+	}
+	timeout { fail "$msg (timeout)" }
+    }
+}
+
+proc gdb_backtrace_tdp_2 { msg } {
+    global gdb_prompt
+
+    # We are in a trace frame at which we collected only the registers
+    # Therefore we expect to be able to identify stack frame #0, but
+    # we don't expect to be able to display its args unles they are
+    # passed in registers (which isn't the case for m68k), and we
+    # don't expect to be able to identify the caller's stack frame.
+
+    send_gdb "backtrace\n"
+    gdb_expect {
+	-re "#0\[\t \]+gdb_recursion_test.*depth=.*$gdb_prompt $" {
+	    pass "$msg"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "$msg"
+	}
+	timeout { fail "$msg (timeout)" }
+    }
+}
+
+proc gdb_backtrace_tdp_3 { msg } {
+    global gdb_prompt
+
+    # We are in a trace frame at which we collected all registers, all
+    # arguments and all locals.  This means that the display of
+    # stack frame #0 should be complete (including argument values).
+
+    send_gdb "backtrace\n"
+    gdb_expect {
+	-re "#0\[\t \]+gdb_recursion_test.*depth=\[0-9\]+.*q1=\[0-9\]+.*q2=\[0-9\]+.*q3=\[0-9\]+.*q4=\[0-9\]+.*q5=\[0-9\]+.*q6=\[0-9\]+.*$gdb_prompt $" {
+	    pass "$msg"
+	}
+	-re "#0\[\t \]+gdb_recursion_test.*depth=Cannot access.*$gdb_prompt $" {
+	    fail "$msg (failed to collect arguments)"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "$msg"
+	}
+	timeout { fail "$msg (timeout)" }
+    }
+}
+
+proc gdb_backtrace_tdp_4 { msg depth } {
+    global gdb_prompt
+
+    # We are in a trace frame at which we collected all registers,
+    # plus a sizeable hunk of stack memory.  This should enable us to
+    # display at least several stack frames worth of backtrace.  We'll
+    # assume that if we can't display at least "depth" levels (with
+    # args), it counts as an error.
+
+    send_gdb "backtrace\n"
+    gdb_expect {
+	-re "#$depth\[\t \].*gdb_recursion_test.*depth=\[0-9\]+.*q1=\[0-9\]+.*q2=\[0-9\]+.*q3=\[0-9\]+.*q4=\[0-9\]+.*q5=\[0-9\]+.*q6=\[0-9\]+.*$gdb_prompt $" {
+	    pass "$msg"
+	}
+	-re "#$depth\[\t \].*gdb_recursion_test.*depth=.*$gdb_prompt $" {
+	    fail "$msg (args missing from #$depth stack frame)"
+	}
+	-re "#\[0-9\]+\[\t \].*gdb_recursion_test.*depth=.*$gdb_prompt $" {
+	    fail "$msg (fewer than $depth stack frames found)"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "$msg"
+	}
+	timeout { fail "$msg (timeout)" }
+    }
+}
+
+#
+# begin backtrace test
+#
+
+set timeout 60
+
+gdb_tfind_test "init: make sure not debugging any trace frame" "none" "-1"
+
+gdb_tfind_test "8.6: find start frame" "start" "0"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp2:" ""
+gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 1, collect nothing"
+
+gdb_tfind_test "8.6: find frame 1"     "1" "1"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp3:" ""
+gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 1, collect regs"
+
+gdb_tfind_test "8.6: find frame 2"     "2" "2"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp4:" ""
+gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 1, collect args and locals"
+
+
+gdb_tfind_test "8.6: find frame 4"     "4" "4"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp6:" ""
+gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
+
+gdb_tfind_test "8.6: find frame 5"     "5" "5"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp2:" ""
+gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 2, collect nothing"
+
+gdb_tfind_test "8.6: find frame 6"     "6" "6"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp3:" ""
+gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 2, collect regs"
+
+gdb_tfind_test "8.6: find frame 7"     "7" "7"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp4:" ""
+gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 2, collect args and locals"
+
+
+gdb_tfind_test "8.6: find frame 9"     "9" "9"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp6:" ""
+gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
+
+gdb_tfind_test "8.6: find frame 10"    "10" "10"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp2:" ""
+gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 3, collect nothing"
+
+gdb_tfind_test "8.6: find frame 11"    "11" "11"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp3:" ""
+gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 3, collect regs"
+
+gdb_tfind_test "8.6: find frame 12"    "12" "12"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp4:" ""
+gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 3, collect args and locals"
+
+
+gdb_tfind_test "8.6: find frame 14"    "14" "14"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp6:" ""
+gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
+
+gdb_tfind_test "8.6: find frame 15"    "15" "15"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp2:" ""
+gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 4, collect nothing"
+
+gdb_tfind_test "8.6: find frame 16"    "16" "16"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp3:" ""
+gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 4, collect regs"
+
+gdb_tfind_test "8.6: find frame 17"    "17" "17"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp4:" ""
+gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 4, collect args and locals"
+
+
+gdb_tfind_test "8.6: find frame 19"    "19" "19"
+gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
+	"TDP $tdp6:" ""
+gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
+
+gdb_test "printf \"x \%d x\\n\", depth == 3" \
+	"x 0 x" \
+	"1.13: trace in recursion: depth not equal to 3"
+
+# Finished!
+gdb_test "tfind none" "" ""