1 # Copyright 1998-2013 Free Software Foundation, Inc.
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
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
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.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # This file was written by Michael Snyder (msnyder@cygnus.com)
18 load_lib "trace-support.exp"
24 standard_testfile actions.c
25 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
26 executable {debug nowarnings}] != "" } {
27 untested backtrace.exp
31 gdb_test "tstop" ".*" ""
32 gdb_test "tfind none" ".*" ""
34 gdb_reinitialize_dir $srcdir/$subdir
36 if { ![gdb_target_supports_trace] } then {
37 unsupported "Current target does not support trace"
43 # test backtraces in trace frames
60 set baseline [gdb_find_recursion_test_baseline $srcfile]
61 if { $baseline == -1 } {
62 fail "Could not find gdb_recursion_test function"
68 gdb_test_multiple "list $baseline, +12" "all tests in this module will fail" {
69 -re "\[\r\n\](\[0-9\]+).*gdbtestline 1 " {
70 set testline1 $expect_out(1,string)
73 -re "\[\r\n\](\[0-9\]+).*gdbtestline 2 " {
74 set testline2 $expect_out(1,string)
77 -re "\[\r\n\](\[0-9\]+).*gdbtestline 3 " {
78 set testline3 $expect_out(1,string)
81 -re "\[\r\n\](\[0-9\]+).*gdbtestline 4 " {
82 set testline4 $expect_out(1,string)
85 -re "\[\r\n\](\[0-9\]+).*gdbtestline 5 " {
86 set testline5 $expect_out(1,string)
89 -re "\[\r\n\](\[0-9\]+).*gdbtestline 6 " {
90 set testline6 $expect_out(1,string)
93 -re ".*$gdb_prompt $" {
94 if { ($testline1 == 0) || ($testline2 == 0) || ($testline3 == 0) || ($testline4 == 0) || ($testline5 == 0) || ($testline6 == 0) } {
95 untested backtrace.exp
97 all tests in this module will fail."
101 untested backtrace.exp
103 all tests in this module will fail."
107 if { $return_me == 1 } then {
112 # Setup backtrace experiment. This will involve:
113 # 1) a tracepoint where nothing is collected
114 # 2) a tracepoint where only regs are collected
115 # 3) a tracepoint where regs, locals and args are collected
116 # 4) a tracepoint where regs plus some amount of stack are collected.
119 gdb_delete_tracepoints
120 set tdp2 [gdb_gettpnum $testline2]
121 set tdp3 [gdb_gettpnum $testline3]
122 set tdp4 [gdb_gettpnum $testline4]
123 set tdp5 [gdb_gettpnum $testline5]
124 set tdp6 [gdb_gettpnum $testline6]
125 if { $tdp2 <= 0 || $tdp3 <= 0 || \
126 $tdp4 <= 0 || $tdp5 <= 0 || $tdp6 <= 0 } then {
127 fail "setting tracepoints failed"
131 #gdb_trace_setactions "setup TP to collect FP" \
136 gdb_trace_setactions "8.6: setup TP to collect regs" \
138 "collect \$regs" "^$"
140 gdb_trace_setactions "8.6: setup TP to collect regs, args, and locals" \
142 "collect \$regs, \$args, \$locs" "^$"
144 if [is_amd64_regs_target] {
147 } elseif [is_x86_like_target] {
155 gdb_trace_setactions "8.6: setup TP to collect stack mem cast expr" \
157 "collect $fpreg, \(\*\(void \*\*\) \($spreg\)\) @ 64" "^$"
159 gdb_test "tstart" ".*" ""
161 gdb_test "break end" ".*" ""
162 gdb_test "continue" \
163 "Continuing.*Breakpoint $decimal, end.*" \
164 "run trace experiment"
166 gdb_test "tstop" ".*" ""
168 proc gdb_backtrace_tdp_1 { msg } {
171 # We are in a trace frame at which we didn't collect anything
172 # except $PC. Therefore we expect to be able to identify stack
173 # frame #0, but that's about all. In particular we do not expect
174 # to be able to display the function's arguments or locals, and we
175 # do not expect to be able to identify the caller of this function.
177 gdb_test "backtrace" \
178 "#0\[\t \]+gdb_recursion_test.*depth=.*" \
182 proc gdb_backtrace_tdp_2 { msg } {
185 # We are in a trace frame at which we collected only the registers
186 # Therefore we expect to be able to identify stack frame #0, but
187 # we don't expect to be able to display its args unles they are
188 # passed in registers (which isn't the case for m68k), and we
189 # don't expect to be able to identify the caller's stack frame.
191 gdb_test "backtrace" \
192 "#0\[\t \]+gdb_recursion_test.*depth=.*" \
196 proc gdb_backtrace_tdp_3 { msg } {
199 # We are in a trace frame at which we collected all registers, all
200 # arguments and all locals. This means that the display of
201 # stack frame #0 should be complete (including argument values).
203 gdb_test_multiple "backtrace" "$msg" {
204 -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 $" {
207 -re "#0\[\t \]+gdb_recursion_test.*depth=Cannot access.*$gdb_prompt $" {
208 fail "$msg (failed to collect arguments)"
213 proc gdb_backtrace_tdp_4 { msg depth } {
216 # We are in a trace frame at which we collected all registers,
217 # plus a sizeable hunk of stack memory. This should enable us to
218 # display at least several stack frames worth of backtrace. We'll
219 # assume that if we can't display at least "depth" levels (with
220 # args), it counts as an error.
222 gdb_test_multiple "backtrace" "$msg" {
223 -re "#$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 $" {
226 -re "#$depth\[\t \].*gdb_recursion_test.*depth=.*$gdb_prompt $" {
227 fail "$msg (args missing from #$depth stack frame)"
229 -re "#\[0-9\]+\[\t \].*gdb_recursion_test.*depth=.*$gdb_prompt $" {
230 fail "$msg (fewer than $depth stack frames found)"
236 # begin backtrace test
241 gdb_tfind_test "init: make sure not debugging any trace frame" "none" "-1"
243 gdb_tfind_test "8.6: find start frame" "start" "0"
244 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
246 gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 1, collect nothing"
248 gdb_tfind_test "8.6: find frame 1" "1" "1"
249 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
251 gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 1, collect regs"
253 gdb_tfind_test "8.6: find frame 2" "2" "2"
254 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
256 gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 1, collect args and locals"
259 gdb_tfind_test "8.6: find frame 4" "4" "4"
260 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
262 gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
264 gdb_tfind_test "8.6: find frame 5" "5" "5"
265 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
267 gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 2, collect nothing"
269 gdb_tfind_test "8.6: find frame 6" "6" "6"
270 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
272 gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 2, collect regs"
274 gdb_tfind_test "8.6: find frame 7" "7" "7"
275 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
277 gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 2, collect args and locals"
280 gdb_tfind_test "8.6: find frame 9" "9" "9"
281 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
283 gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
285 gdb_tfind_test "8.6: find frame 10" "10" "10"
286 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
288 gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 3, collect nothing"
290 gdb_tfind_test "8.6: find frame 11" "11" "11"
291 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
293 gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 3, collect regs"
295 gdb_tfind_test "8.6: find frame 12" "12" "12"
296 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
298 gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 3, collect args and locals"
301 gdb_tfind_test "8.6: find frame 14" "14" "14"
302 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
304 gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
306 gdb_tfind_test "8.6: find frame 15" "15" "15"
307 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
309 gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 4, collect nothing"
311 gdb_tfind_test "8.6: find frame 16" "16" "16"
312 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
314 gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 4, collect regs"
316 gdb_tfind_test "8.6: find frame 17" "17" "17"
317 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
319 gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 4, collect args and locals"
322 gdb_tfind_test "8.6: find frame 19" "19" "19"
323 gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
325 gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
327 gdb_test "printf \"x \%d x\\n\", depth == 3" \
329 "1.13: trace in recursion: depth not equal to 3"
332 gdb_test "tfind none" ".*" ""