gdb/testsuite/gdb.trace/mi-trace-frame-collected.exp

   1 # Copyright 2013-2024 Free Software Foundation, Inc.
   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
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   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.
  12 #
  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/>.
  15
  16 load_lib trace-support.exp
  17
  18 standard_testfile actions.c
  19
  20 require gdb_trace_common_supports_arch
  21
  22 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} {debug}] } {
  23     return -1
  24 }
  25
  26 if ![runto_main] {
  27     return -1
  28 }
  29
  30 if ![gdb_target_supports_trace] {
  31     unsupported "current target does not support trace"
  32     return -1
  33 }
  34
  35 gdb_exit
  36
  37 load_lib mi-support.exp
  38 set MIFLAGS "-i=mi"
  39
  40 mi_clean_restart $binfile
  41 mi_runto_main
  42
  43 mi_gdb_test "-break-insert end" \
  44     "\\^done,bkpt=\{number=\"${decimal}\",type=\"breakpoint\".*\"\}" \
  45     "insert tracepoint on end"
  46 mi_gdb_test "-break-insert -a gdb_recursion_test" \
  47     "\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
  48     "insert tracepoint on gdb_recursion_test"
  49
  50 mi_gdb_test "-trace-define-variable \$tsv 1" {.*\^done} \
  51     "-trace-define-variable"
  52
  53 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\" " \
  54     {\^done} "set action"
  55
  56 mi_gdb_test "-break-insert -a gdb_c_test" \
  57     "\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
  58     "insert tracepoint on gdb_c_test"
  59
  60 # Define an action.
  61 # Collect a global variable to be sure no registers are collected
  62 # except PC.
  63 mi_gdb_test "-break-commands 4 \"collect gdb_char_test\" \"end\" " \
  64     {\^done} "set action on tracepoint 4"
  65
  66 mi_gdb_test "-trace-start" {.*\^done} "trace start"
  67 mi_send_resuming_command "exec-continue" "continuing to end"
  68 mi_expect_stop \
  69     "breakpoint-hit" "end" ".*" ".*" ".*" {"" "disp=\"keep\""} \
  70     "stop at end"
  71 mi_gdb_test "-trace-stop" {.*\^done,stop-reason=.*} "trace stop"
  72
  73 # Save trace frames to tfile.
  74 set tracefile [standard_output_file ${testfile}]
  75 mi_gdb_test "-trace-save ${tracefile}.tf" ".*\\^done" \
  76     "save tfile trace file"
  77 # Save trace frames to ctf.
  78 mi_gdb_test "-trace-save -ctf ${tracefile}.ctf" ".*\\^done" \
  79     "save ctf trace file"
  80
  81 # Test the MI command '-trace-frame-collected' with DATA_SOURCE as
  82 # trace data source.
  83
  84 proc test_trace_frame_collected { data_source } {
  85     global decimal hex
  86     global mi_gdb_prompt
  87
  88     with_test_prefix "$data_source" {
  89         mi_gdb_test "-trace-find frame-number 0" \
  90             ".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"0\",frame=\{.*" \
  91             "-trace-find frame-number 0"
  92
  93         set reg_pattern "\{number=\"$decimal\",value=\"$hex\"\}"
  94
  95         # Test MI command '-trace-frame-collected' dumps only
  96         # collected registers.
  97
  98         # While the tracepoint has no explicit action that causes
  99         # collection of registers other than the PC, some
 100         # architectures manage to collect or guess more than that.
 101         if { [istarget "s390*-*-*"] } {
 102             # On s390 PC is a pseudo-register - collecting it also
 103             # collects the underlying PSWA register.
 104             if { "$data_source" != "tfile" } {
 105                 set reg_pattern "$reg_pattern,$reg_pattern"
 106             } else {
 107                 # For tfile, PSWM and CC are also guessed.
 108                 set reg_pattern "$reg_pattern,$reg_pattern,$reg_pattern,$reg_pattern"
 109             }
 110         } elseif {[is_amd64_regs_target] && [is_ilp32_target]} {
 111             # x32.  While on the 64-bit ABI gdb only exposes 64-bit
 112             # $pc/$rip, on x32, GDB exposes 32-bit $eip as well, as a
 113             # pseudo-register.  Thus, collecting $pc/$rip
 114             # automatically always collects $eip as well.
 115             set reg_pattern "$reg_pattern,$reg_pattern"
 116         }
 117
 118         mi_gdb_test "-trace-frame-collected" \
 119             "\\^done,explicit-variables=\\\[\{name=\"gdb_char_test\",value=\".*\"\}\\\],computed-expressions=\\\[\\\],registers=\\\[$reg_pattern\\\],tvars=\\\[\\\],memory=\\\[\{address=\"$hex\",length=\"1\"\}\\\]"\
 120             "-trace-frame-collected, register"
 121
 122         mi_gdb_test "-trace-find frame-number 1" \
 123             ".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"1\",frame=\{.*" \
 124             "-trace-find frame-number 1"
 125
 126         # Test MI command '-trace-frame-collected'
 127         mi_gdb_test "-trace-frame-collected" \
 128             "\\^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\"\},.*\\\]"\
 129             "-trace-frame-collected"
 130         mi_gdb_test "-trace-frame-collected --var-print-values 2 --comp-print-values --simple-values --registers-format x --memory-contents" \
 131             "\\^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=\".*\"\},.*\\\]" \
 132             "-trace-frame-collected --var-print-values 2 --comp-print-values --simple-values --registers-format x --memory-contents"
 133
 134         mi_gdb_test "-trace-find none" ".*\\^done,found=\"0\".*" \
 135             "-trace-find none"
 136     }
 137 }
 138
 139 test_trace_frame_collected "live"
 140
 141 # Change target to ctf if GDB supports it.
 142 set msg "-target-select ctf"
 143 send_gdb "-target-select ctf ${tracefile}.ctf\n"
 144 gdb_expect {
 145     -re ".*\\^connected.*${mi_gdb_prompt}$" {
 146         # GDB supports ctf, do the test.
 147         test_trace_frame_collected "ctf"
 148     }
 149     -re ".*\\^error,msg=\"Undefined target command.*${mi_gdb_prompt}$" {
 150         # GDB doesn't support ctf, skip the test.
 151         unsupported "gdb does not support ctf target"
 152     }
 153     -re ".*$mi_gdb_prompt$" {
 154         fail "$msg"
 155     }
 156     timeout {
 157         fail "$msg (timeout)"
 158     }
 159 }
 160
 161 # Change target to tfile.
 162 mi_gdb_test "-target-select tfile ${tracefile}.tf" ".*\\^connected.*" \
 163     "-target-select tfile"
 164 test_trace_frame_collected "tfile"
 165
 166 mi_gdb_exit