[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.trace / backtrace.exp

#   Copyright 1998, 2007, 2008, 2009 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 3 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, see <http://www.gnu.org/licenses/>.

# 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 $" {
	    untested backtrace.exp
	    return -1
	    all tests in this module will fail.";
	}
	-re ".*$gdb_prompt $" { }
    }
} else {
    set testfile "actions"
    set srcfile ${testfile}.c
    set binfile $objdir/$subdir/$testfile
    if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
	    executable {debug nowarnings}] != "" } {
	untested backtrace.exp
	return -1
    }
    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 support 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) } {
	    untested backtrace.exp
	    return -1
all tests in this module will fail."
	}
    }
    default {
	    untested backtrace.exp
	    return -1
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" "" ""
Commit	Line	Data
0fb0cc75	1	# Copyright 1998, 2007, 2008, 2009 Free Software Foundation, Inc.
c906108c SS	2	#
	3	# This program is free software; you can redistribute it and/or modify
	4	# it under the terms of the GNU General Public License as published by
e22f8b7c	5	# the Free Software Foundation; either version 3 of the License, or
c906108c	6	# (at your option) any later version.
e22f8b7c	7	#
c906108c SS	8	# This program is distributed in the hope that it will be useful,
	9	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	# GNU General Public License for more details.
e22f8b7c	12	#
c906108c	13	# You should have received a copy of the GNU General Public License
e22f8b7c	14	# along with this program. If not, see <http://www.gnu.org/licenses/>.
c906108c	15
c906108c SS	16	# This file was written by Michael Snyder (msnyder@cygnus.com)
	17
	18	load_lib "trace-support.exp";
	19
	20	if $tracelevel then {
	21	strace $tracelevel
	22	}
	23
	24	set prms_id 0
	25	set bug_id 0
	26
	27	gdb_exit
	28	gdb_start
	29
	30	if [istarget "m68k-*-elf"] then {
	31	load_lib "emc-support.exp";
	32	set srcfile gdb_c_test.c
	33	set binfile [board_info target d490_binfile];
	34	gdb_test "set remotetimeout 6" "" ""
	35	set timeout 500
	36	gdb_target_monitor "$binfile"
	37	# Give a TSTOP and ignore errors, to make sure any previous trace is off
	38	gdb_test "tstop" "" ""
	39	gdb_test "tfind none" "" ""
	40	send_gdb "compare-sections CS\n"
	41	gdb_expect {
	42	-re "MIS-MATCHED.*$gdb_prompt $" {
b60f0898 JB	43	untested backtrace.exp
b60f0898 JB	44	return -1
c906108c SS	45	all tests in this module will fail.";
	46	}
	47	-re ".*$gdb_prompt $" { }
	48	}
	49	} else {
	50	set testfile "actions"
	51	set srcfile ${testfile}.c
	52	set binfile $objdir/$subdir/$testfile
	53	if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
fc91c6c2	54	executable {debug nowarnings}] != "" } {
b60f0898 JB	55	untested backtrace.exp
b60f0898 JB	56	return -1
c906108c SS	57	}
	58	gdb_load $binfile
	59	gdb_test "tstop" "" ""
	60	gdb_test "tfind none" "" ""
	61	runto_main
	62	}
	63	gdb_reinitialize_dir $srcdir/$subdir
	64
	65	# We generously give ourselves one "pass" if we successfully
	66	# detect that this test cannot be run on this target!
	67	if { ![gdb_target_supports_trace] } then {
0ef2251b	68	pass "Current target does not support trace"
c906108c SS	69	return 1;
	70
	71	}
	72
	73	#
	74	# test backtraces in trace frames
	75	#
	76
	77	set testline1 0
	78	set testline2 0
	79	set testline3 0
	80	set testline4 0
	81	set testline5 0
	82	set testline6 0
	83
	84	set arg1 1
	85	set arg2 2
	86	set arg3 3
	87	set arg4 4
	88	set arg5 5
	89	set arg6 6
	90
	91	set baseline [gdb_find_recursion_test_baseline $srcfile];
	92	if { $baseline == -1 } {
	93	fail "Could not find gdb_recursion_test function"
	94	return;
	95	}
	96
	97	send_gdb "list $baseline, +12\n"
	98	gdb_expect {
	99	-re "\[\r\n\](\[0-9\]+).*gdbtestline 1 " {
	100	set testline1 $expect_out(1,string)
	101	exp_continue
	102	}
	103	-re "\[\r\n\](\[0-9\]+).*gdbtestline 2 " {
	104	set testline2 $expect_out(1,string)
	105	exp_continue
	106	}
	107	-re "\[\r\n\](\[0-9\]+).*gdbtestline 3 " {
	108	set testline3 $expect_out(1,string)
	109	exp_continue
	110	}
	111	-re "\[\r\n\](\[0-9\]+).*gdbtestline 4 " {
	112	set testline4 $expect_out(1,string)
	113	exp_continue
	114	}
	115	-re "\[\r\n\](\[0-9\]+).*gdbtestline 5 " {
	116	set testline5 $expect_out(1,string)
	117	exp_continue
	118	}
	119	-re "\[\r\n\](\[0-9\]+).*gdbtestline 6 " {
	120	set testline6 $expect_out(1,string)
	121	exp_continue
	122	}
	123	-re ".*$gdb_prompt $" {
	124	if { ($testline1 == 0) \|\| ($testline2 == 0) \|\| ($testline3 == 0) \|\| ($testline4 == 0) \|\| ($testline5 == 0) \|\| ($testline6 == 0) } {
b60f0898 JB	125	untested backtrace.exp
b60f0898 JB	126	return -1
c906108c SS	127	all tests in this module will fail."
	128	}
	129	}
	130	default {
b60f0898 JB	131	untested backtrace.exp
b60f0898 JB	132	return -1
c906108c SS	133	all tests in this module will fail."
	134	}
	135	}
	136
	137	#
	138	# Setup backtrace experiment. This will involve:
	139	# 1) a tracepoint where nothing is collected
	140	# 2) a tracepoint where only regs are collected
	141	# 3) a tracepoint where regs, locals and args are collected
	142	# 4) a tracepoint where regs plus some amount of stack are collected.
	143	#
	144
	145	gdb_delete_tracepoints
	146	set tdp2 [gdb_gettpnum $testline2]
	147	set tdp3 [gdb_gettpnum $testline3]
	148	set tdp4 [gdb_gettpnum $testline4]
	149	set tdp5 [gdb_gettpnum $testline5]
	150	set tdp6 [gdb_gettpnum $testline6]
	151	if { $tdp2 <= 0 \|\| $tdp3 <= 0 \|\| \
	152	$tdp4 <= 0 \|\| $tdp5 <= 0 \|\| $tdp6 <= 0 } then {
	153	fail "setting tracepoints failed"
	154	return;
	155	}
	156
	157	#gdb_trace_setactions "setup TP to collect FP" \
	158	# "$tdp2" \
	159	# "collect \$fp" ""
	160	#
	161
	162	gdb_trace_setactions "8.6: setup TP to collect regs" \
	163	"$tdp3" \
	164	"collect \$regs" "^$"
	165
	166	gdb_trace_setactions "8.6: setup TP to collect regs, args, and locals" \
	167	"$tdp4" \
	168	"collect \$regs, \$args, \$locs" "^$"
	169
	170	gdb_trace_setactions "8.6: setup TP to collect stack mem cast expr" \
	171	"$tdp6" \
	172	"collect \$fp, \(\\(void \\*\) \(\$sp\)\) @ 64" "^$"
	173
	174	gdb_test "tstart" "" ""
	175
	176	if [istarget "m68k-*-elf"] then {
	177	gdb_emclaptop_command "85,$arg1,$arg2,$arg3,$arg4,$arg5,$arg6"
	178	sleep 5
	179	} else {
	180	gdb_test "break end" "" ""
	181	gdb_test "continue" \
	182	"Continuing.Breakpoint $decimal, end." \
	183	"run trace experiment"
	184	}
	185
	186	gdb_test "tstop" "" ""
	187
	188	proc gdb_backtrace_tdp_1 { msg } {
	189	global gdb_prompt
	190
	191	# We are in a trace frame at which we didn't collect anything
	192	# except $PC. Therefore we expect to be able to identify stack
	193	# frame #0, but that's about all. In particular we do not expect
	194	# to be able to display the function's arguments or locals, and we
	195	# do not expect to be able to identify the caller of this function.
	196
197	send_gdb "backtrace\n"
198	gdb_expect {
199	-re "#0\[\t \]+gdb_recursion_test.depth=.$gdb_prompt $" {
200	pass "$msg"
201	}
202	-re ".*$gdb_prompt $" {
203	fail "$msg"
204	}
205	timeout { fail "$msg (timeout)" }
206	}
207	}
208
209	proc gdb_backtrace_tdp_2 { msg } {
210	global gdb_prompt
211
212	# We are in a trace frame at which we collected only the registers
213	# Therefore we expect to be able to identify stack frame #0, but
214	# we don't expect to be able to display its args unles they are
215	# passed in registers (which isn't the case for m68k), and we
216	# don't expect to be able to identify the caller's stack frame.
217
218	send_gdb "backtrace\n"
219	gdb_expect {
220	-re "#0\[\t \]+gdb_recursion_test.depth=.$gdb_prompt $" {
221	pass "$msg"
222	}
223	-re ".*$gdb_prompt $" {
224	fail "$msg"
225	}
226	timeout { fail "$msg (timeout)" }
227	}
228	}
229
230	proc gdb_backtrace_tdp_3 { msg } {
231	global gdb_prompt
232
233	# We are in a trace frame at which we collected all registers, all
234	# arguments and all locals. This means that the display of
235	# stack frame #0 should be complete (including argument values).
236
237	send_gdb "backtrace\n"
238	gdb_expect {
239	-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 $" {
240	pass "$msg"
241	}
242	-re "#0\[\t \]+gdb_recursion_test.depth=Cannot access.$gdb_prompt $" {
243	fail "$msg (failed to collect arguments)"
244	}
245	-re ".*$gdb_prompt $" {
246	fail "$msg"
247	}
248	timeout { fail "$msg (timeout)" }
249	}
250	}
251
252	proc gdb_backtrace_tdp_4 { msg depth } {
253	global gdb_prompt
254
255	# We are in a trace frame at which we collected all registers,
256	# plus a sizeable hunk of stack memory. This should enable us to
257	# display at least several stack frames worth of backtrace. We'll
258	# assume that if we can't display at least "depth" levels (with
259	# args), it counts as an error.
260
261	send_gdb "backtrace\n"
262	gdb_expect {
263	-re "#$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 $" {
264	pass "$msg"
265	}
266	-re "#$depth\[\t \].gdb_recursion_test.depth=.*$gdb_prompt $" {
267	fail "$msg (args missing from #$depth stack frame)"
268	}
269	-re "#\[0-9\]+\[\t \].gdb_recursion_test.depth=.*$gdb_prompt $" {
270	fail "$msg (fewer than $depth stack frames found)"
271	}
272	-re ".*$gdb_prompt $" {
273	fail "$msg"
274	}
275	timeout { fail "$msg (timeout)" }
276	}
277	}
278
279	#
280	# begin backtrace test
281	#
282
283	set timeout 60
284
285	gdb_tfind_test "init: make sure not debugging any trace frame" "none" "-1"
286
287	gdb_tfind_test "8.6: find start frame" "start" "0"
288	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
289	"TDP $tdp2:" ""
290	gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 1, collect nothing"
291
292	gdb_tfind_test "8.6: find frame 1" "1" "1"
293	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
294	"TDP $tdp3:" ""
295	gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 1, collect regs"
296
297	gdb_tfind_test "8.6: find frame 2" "2" "2"
298	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
299	"TDP $tdp4:" ""
300	gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 1, collect args and locals"
301
302
303	gdb_tfind_test "8.6: find frame 4" "4" "4"
304	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
305	"TDP $tdp6:" ""
306	gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
307
308	gdb_tfind_test "8.6: find frame 5" "5" "5"
309	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
310	"TDP $tdp2:" ""
311	gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 2, collect nothing"
312
313	gdb_tfind_test "8.6: find frame 6" "6" "6"
314	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
315	"TDP $tdp3:" ""
316	gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 2, collect regs"
317
318	gdb_tfind_test "8.6: find frame 7" "7" "7"
319	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
320	"TDP $tdp4:" ""
321	gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 2, collect args and locals"
322
323
324	gdb_tfind_test "8.6: find frame 9" "9" "9"
325	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
326	"TDP $tdp6:" ""
327	gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
328
329	gdb_tfind_test "8.6: find frame 10" "10" "10"
330	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
331	"TDP $tdp2:" ""
332	gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 3, collect nothing"
333
334	gdb_tfind_test "8.6: find frame 11" "11" "11"
335	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
336	"TDP $tdp3:" ""
337	gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 3, collect regs"
338
339	gdb_tfind_test "8.6: find frame 12" "12" "12"
340	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
341	"TDP $tdp4:" ""
342	gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 3, collect args and locals"
343
344
345	gdb_tfind_test "8.6: find frame 14" "14" "14"
346	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
347	"TDP $tdp6:" ""
348	gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
349
350	gdb_tfind_test "8.6: find frame 15" "15" "15"
351	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
352	"TDP $tdp2:" ""
353	gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 4, collect nothing"
354
355	gdb_tfind_test "8.6: find frame 16" "16" "16"
356	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
357	"TDP $tdp3:" ""
358	gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 4, collect regs"
359
360	gdb_tfind_test "8.6: find frame 17" "17" "17"
361	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
362	"TDP $tdp4:" ""
363	gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 4, collect args and locals"
364
365
366	gdb_tfind_test "8.6: find frame 19" "19" "19"
367	gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
368	"TDP $tdp6:" ""
369	gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
370
371	gdb_test "printf \"x \%d x\\n\", depth == 3" \
372	"x 0 x" \
373	"1.13: trace in recursion: depth not equal to 3"
374
375	# Finished!
376	gdb_test "tfind none" "" ""