1 # Copyright 2013-2019 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 load_lib trace-support.exp
18 standard_testfile actions.c
20 if ![gdb_trace_common_supports_arch] {
21 unsupported "no trace-common.h support for arch"
25 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} {debug}] } {
30 fail "can't run to main to check for trace support"
34 if ![gdb_target_supports_trace] {
35 unsupported "current target does not support trace"
41 load_lib mi-support.exp
49 mi_gdb_test "-break-insert end" \
50 "\\^done,bkpt=\{number=\"${decimal}\",type=\"breakpoint\".*\"\}" \
51 "insert tracepoint on end"
52 mi_gdb_test "-break-insert -a gdb_recursion_test" \
53 "\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
54 "insert tracepoint on gdb_recursion_test"
56 mi_gdb_test "-trace-define-variable \$tsv 1" {.*\^done} \
57 "-trace-define-variable"
59 mi_gdb_test "-break-commands 3 \"collect gdb_char_test\" \"collect gdb_union1_test\" \"collect gdb_struct1_test.l\" \"collect gdb_arr_test\[0\]\" \"collect $${pcreg}\" \"teval \$tsv += 1\" \"collect \$tsv\" \"end\" " \
62 mi_gdb_test "-break-insert -a gdb_c_test" \
63 "\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
64 "insert tracepoint on gdb_c_test"
67 # Collect a global variable to be sure no registers are collected
69 mi_gdb_test "-break-commands 4 \"collect gdb_char_test\" \"end\" " \
70 {\^done} "set action on tracepoint 4"
72 mi_gdb_test "-trace-start" {.*\^done} "trace start"
73 mi_send_resuming_command "exec-continue" "continuing to end"
75 "breakpoint-hit" "end" ".*" ".*" ".*" {"" "disp=\"keep\""} \
77 mi_gdb_test "-trace-stop" {.*\^done,stop-reason=.*} "trace stop"
79 # Save trace frames to tfile.
80 set tracefile [standard_output_file ${testfile}]
81 mi_gdb_test "-trace-save ${tracefile}.tf" ".*\\^done" \
82 "save tfile trace file"
83 # Save trace frames to ctf.
84 mi_gdb_test "-trace-save -ctf ${tracefile}.ctf" ".*\\^done" \
87 # Test the MI command '-trace-frame-collected' with DATA_SOURCE as
90 proc test_trace_frame_collected { data_source } {
94 with_test_prefix "$data_source" {
95 mi_gdb_test "-trace-find frame-number 0" \
96 ".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"0\",frame=\{.*" \
97 "-trace-find frame-number 0"
99 set reg_pattern "\{number=\"$decimal\",value=\"$hex\"\}"
101 # Test MI command '-trace-frame-collected' dumps only
102 # collected registers.
104 # While the tracepoint has no explicit action that causes
105 # collection of registers other than the PC, some
106 # architectures manage to collect or guess more than that.
107 if { [istarget "s390*-*-*"] } {
108 # On s390 PC is a pseudo-register - collecting it also
109 # collects the underlying PSWA register.
110 if { "$data_source" != "tfile" } {
111 set reg_pattern "$reg_pattern,$reg_pattern"
113 # For tfile, PSWM and CC are also guessed.
114 set reg_pattern "$reg_pattern,$reg_pattern,$reg_pattern,$reg_pattern"
116 } elseif {[is_amd64_regs_target] && [is_ilp32_target]} {
117 # x32. While on the 64-bit ABI gdb only exposes 64-bit
118 # $pc/$rip, on x32, GDB exposes 32-bit $eip as well, as a
119 # pseudo-register. Thus, collecting $pc/$rip
120 # automatically always collects $eip as well.
121 set reg_pattern "$reg_pattern,$reg_pattern"
124 mi_gdb_test "-trace-frame-collected" \
125 "\\^done,explicit-variables=\\\[\{name=\"gdb_char_test\",value=\".*\"\}\\\],computed-expressions=\\\[\\\],registers=\\\[$reg_pattern\\\],tvars=\\\[\\\],memory=\\\[\{address=\"$hex\",length=\"1\"\}\\\]"\
126 "-trace-frame-collected (register)"
128 mi_gdb_test "-trace-find frame-number 1" \
129 ".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"1\",frame=\{.*" \
130 "-trace-find frame-number 1"
132 # Test MI command '-trace-frame-collected'
133 mi_gdb_test "-trace-frame-collected" \
134 "\\^done,explicit-variables=\\\[\{name=\"gdb_char_test\",value=\".*\"\},\{name=\"gdb_union1_test\",value=\".*\"\}\\\],computed-expressions=\\\[\{name=\"gdb_struct1_test\.l\",.*\},\{name=\"gdb_arr_test\\\[0\\\]\",.*\}\\\],registers=\\\[.*\\\],tvars=\\\[\{name=\"\\\$tsv\",current=\"2\"\}\\\],memory=\\\[\{address=\"$hex\",length=\"1\"\},.*\\\]"\
135 "-trace-frame-collected"
136 mi_gdb_test "-trace-frame-collected --var-print-values 2 --comp-print-values --simple-values --registers-format x --memory-contents" \
137 "\\^done,explicit-variables=\\\[\{name=\"gdb_char_test\",type=\"char\",value=\".*\"\},\{name=\"gdb_union1_test\",type=\"union GDB_UNION_TEST\"\}\\\],computed-expressions=\\\[.*\\\],registers=\\\[.*\\\],tvars=\\\[\{name=\"\\\$tsv\",current=\"2\"\}\\\],memory=\\\[\{address=\"$hex\",length=\"1\",contents=\".*\"\},.*\\\]" \
138 "-trace-frame-collected --var-print-values 2 --comp-print-values --simple-values --registers-format x --memory-contents"
140 mi_gdb_test "-trace-find none" ".*\\^done,found=\"0\".*" \
145 test_trace_frame_collected "live"
147 # Change target to ctf if GDB supports it.
148 set msg "-target-select ctf"
149 send_gdb "-target-select ctf ${tracefile}.ctf\n"
151 -re ".*\\^connected.*${mi_gdb_prompt}$" {
152 # GDB supports ctf, do the test.
153 test_trace_frame_collected "ctf"
155 -re ".*\\^error,msg=\"Undefined target command.*${mi_gdb_prompt}$" {
156 # GDB doesn't support ctf, skip the test.
157 unsupported "gdb does not support ctf target"
159 -re ".*$mi_gdb_prompt$" {
163 fail "$msg (timeout)"
167 # Change target to tfile.
168 mi_gdb_test "-target-select tfile ${tracefile}.tf" ".*\\^connected.*" \
169 "-target-select tfile"
170 test_trace_frame_collected "tfile"