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

   1 # Copyright 2013-2015 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 if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} {debug}] } {
  21     return -1
  22 }
  23
  24 if ![runto_main] {
  25     fail "Can't run to main to check for trace support"
  26     return -1
  27 }
  28
  29 if ![gdb_target_supports_trace] {
  30     unsupported "Current target does not support trace"
  31     return -1
  32 }
  33
  34 gdb_exit
  35
  36 load_lib mi-support.exp
  37 set MIFLAGS "-i=mi"
  38
  39 if [mi_gdb_start] {
  40     return
  41 }
  42 mi_run_to_main
  43
  44 mi_gdb_test "-break-insert end" \
  45     "\\^done,bkpt=\{number=\"${decimal}\",type=\"breakpoint\".*\"\}" \
  46     "insert tracepoint on end"
  47 mi_gdb_test "-break-insert -a gdb_recursion_test" \
  48     "\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
  49     "insert tracepoint on gdb_recursion_test"
  50
  51 mi_gdb_test "-trace-define-variable \$tsv 1" {.*\^done} \
  52     "-trace-define-variable"
  53
  54 set pcreg ""
  55 if [is_amd64_regs_target] {
  56     set pcreg "rip"
  57 } elseif [is_x86_like_target] {
  58     set pcreg "eip"
  59 } elseif [is_aarch64_target] {
  60     set pcreg "pc"
  61 } else {
  62     # Other ports that support tracepoints should set the name of pc
  63     # register here.
  64     fail "set the name of pc register"
  65     return -1
  66 }
  67
  68 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\" " \
  69     {\^done} "set action"
  70
  71 mi_gdb_test "-break-insert -a gdb_c_test" \
  72     "\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
  73     "insert tracepoint on gdb_c_test"
  74
  75 # Define an action.
  76 # Collect a global variable to be sure no registers are collected
  77 # except PC.
  78 mi_gdb_test "-break-commands 4 \"collect gdb_char_test\" \"end\" " \
  79     {\^done} "set action on tracepoint 4"
  80
  81 mi_gdb_test "-trace-start" {.*\^done} "trace start"
  82 mi_send_resuming_command "exec-continue" "continuing to end"
  83 mi_expect_stop \
  84     "breakpoint-hit" "end" ".*" ".*" ".*" {"" "disp=\"keep\""} \
  85     "stop at end"
  86 mi_gdb_test "-trace-stop" {.*\^done,stop-reason=.*} "trace stop"
  87
  88 # Save trace frames to tfile.
  89 set tracefile [standard_output_file ${testfile}]
  90 mi_gdb_test "-trace-save ${tracefile}.tf" ".*\\^done" \
  91     "save tfile trace file"
  92 # Save trace frames to ctf.
  93 mi_gdb_test "-trace-save -ctf ${tracefile}.ctf" ".*\\^done" \
  94     "save ctf trace file"
  95
  96 # Test the MI command '-trace-frame-collected' with DATA_SOURCE as
  97 # trace data source.
  98
  99 proc test_trace_frame_collected { data_source } {
 100     global decimal hex
 101     global mi_gdb_prompt
 102
 103     with_test_prefix "$data_source" {
 104         mi_gdb_test "-trace-find frame-number 0" \
 105             ".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"0\",frame=\{.*" \
 106             "-trace-find frame-number 0"
 107
 108         # Test MI command '-trace-frame-collected' dumps only
 109         # collected registers.
 110         mi_gdb_test "-trace-frame-collected" \
 111             "\\^done,explicit-variables=\\\[\{name=\"gdb_char_test\",value=\".*\"\}\\\],computed-expressions=\\\[\\\],registers=\\\[\{number=\"$decimal\",value=\"$hex\"\}\\\],tvars=\\\[\\\],memory=\\\[\{address=\"$hex\",length=\"1\"\}\\\]"\
 112             "-trace-frame-collected (register)"
 113
 114         mi_gdb_test "-trace-find frame-number 1" \
 115             ".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"1\",frame=\{.*" \
 116             "-trace-find frame-number 1"
 117
 118         # Test MI command '-trace-frame-collected'
 119         mi_gdb_test "-trace-frame-collected" \
 120             "\\^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\"\},.*\\\]"\
 121             "-trace-frame-collected"
 122         mi_gdb_test "-trace-frame-collected --var-print-values 2 --comp-print-values --simple-values --registers-format x --memory-contents" \
 123             "\\^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=\".*\"\},.*\\\]" \
 124             "-trace-frame-collected --var-print-values 2 --comp-print-values --simple-values --registers-format x --memory-contents"
 125
 126         mi_gdb_test "-trace-find none" ".*\\^done,found=\"0\".*" \
 127             "-trace-find none"
 128     }
 129 }
 130
 131 test_trace_frame_collected "live"
 132
 133 # Change target to ctf if GDB supports it.
 134 set msg "-target-select ctf"
 135 send_gdb "-target-select ctf ${tracefile}.ctf\n"
 136 gdb_expect {
 137     -re ".*\\^connected.*${mi_gdb_prompt}$" {
 138         # GDB supports ctf, do the test.
 139         test_trace_frame_collected "ctf"
 140     }
 141     -re ".*\\^error,msg=\"Undefined target command.*${mi_gdb_prompt}$" {
 142         # GDB doesn't support ctf, skip the test.
 143         unsupported "gdb does not support ctf target"
 144     }
 145     -re ".*$mi_gdb_prompt$" {
 146         fail "$msg"
 147     }
 148     timeout {
 149         fail "$msg (timeout)"
 150     }
 151 }
 152
 153 # Change target to tfile.
 154 mi_gdb_test "-target-select tfile ${tracefile}.tf" ".*\\^connected.*" \
 155     "-target-select tfile"
 156 test_trace_frame_collected "tfile"
 157
 158 mi_gdb_exit