gdb/testsuite/gdb.arch/amd64-stap-expressions.exp

   1 # Copyright 2021 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 standard_testfile ".S"
  17
  18 if { ![istarget "x86_64-*-*"] || ![is_lp64_target] } {
  19     verbose "Skipping $testfile.exp"
  20     return
  21 }
  22
  23 if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
  24     return -1
  25 }
  26
  27 # Helper procedure to go to probe NAME
  28
  29 proc goto_probe { name } {
  30     global decimal hex
  31
  32     gdb_test "break -pstap $name" "Breakpoint $decimal at $hex"
  33     gdb_test "continue" "Breakpoint $decimal, main \\(\\) at .*\r\n.*STAP_PROBE1.*${name},.*\\)"
  34 }
  35
  36 # Helper procedure to test the probe's argument
  37
  38 proc test_probe_value { value } {
  39     gdb_test "print \$_probe_argc" "= 1"
  40     gdb_test "print \$_probe_arg0" "= $value"
  41 }
  42
  43 if { ![runto_main] } {
  44     return -1
  45 }
  46
  47 # Name and expected value for each probe.
  48 set probe_names_and_values {
  49     { "log_neg" "0" }
  50     { "minus" "-7" }
  51     { "bit_neg" "-23" }
  52
  53     { "plus1" "4" }
  54     { "plus2" "135" }
  55     { "plus3" "171" }
  56
  57     { "and" "128" }
  58     { "or" "12" }
  59 }
  60
  61 foreach probe_info $probe_names_and_values {
  62     set name [lindex $probe_info 0]
  63     set value [lindex $probe_info 1]
  64     with_test_prefix $name {
  65         goto_probe $name
  66         test_probe_value $value
  67     }
  68 }