gdb/testsuite/gdb.base/skip-solib.exp

   1 #   Copyright 2011-2019 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 # This file was written by Justin Lebar. (justin.lebar@gmail.com)
  17
  18 #
  19 # Tests skipping shared libraries.
  20 #
  21
  22 # This only works on GNU/Linux.
  23 if { ![isnative] || [is_remote host] || ![istarget *-linux*] || [skip_shlib_tests]} {
  24     continue
  25 }
  26
  27 set test "skip-solib"
  28 set srcfile_main "${test}-main.c"
  29 set executable_main ${test}-test
  30 set binfile_main [standard_output_file ${executable_main}]
  31 set srcfile_lib "${test}-lib.c"
  32 set libname "lib${test}"
  33 set binfile_lib [standard_output_file ${libname}.so]
  34
  35 #
  36 # Compile our program under test.  The main program references a shared library
  37 # libskip-solib.so, which contains two functions, square(), which is
  38 # referenced by the main program, and multiply(), which is not referenced by
  39 # the main program.
  40 #
  41
  42 if {[gdb_compile_shlib ${srcdir}/${subdir}/${srcfile_lib} ${binfile_lib} [list debug additional_flags=-fPIC -Wl,-soname,${libname}.so]] != ""} {
  43     return -1
  44 }
  45
  46 if {[gdb_compile "${srcdir}/${subdir}/${srcfile_main}" "${binfile_main}.o" object debug] != ""} {
  47     return -1
  48 }
  49
  50 set testobjdir [standard_output_file {}]
  51 if {[gdb_compile "${binfile_main}.o" "${binfile_main}" executable \
  52                  [list debug "additional_flags=-L$testobjdir -l${test} \
  53                                                -Wl,-rpath=$testobjdir"]] != ""} {
  54     return -1
  55 }
  56
  57 clean_restart ${executable_main}
  58
  59 #
  60 # At this point, if we try to skip the file ${srcfile_lib} or the function
  61 # multiply(), we should get a prompt asking us if we want to enable the
  62 # skip entry pending a shared library load.
  63 #
  64
  65 gdb_test "skip file ${srcfile_lib}" \
  66   "File ${srcfile_lib} will be skipped when stepping." \
  67   "ignoring file in solib" \
  68   "No source file named ${srcfile_lib}.*
  69 Ignore file pending future shared library load.*" \
  70   "y"
  71
  72 #
  73 # Checkinfo skip list.
  74 #
  75 gdb_test "info skip" \
  76   "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
  77 1\\s+y\\s+n\\s+${srcfile_lib}\\s+n\\s+<none>\\s*" \
  78   "info skip with pending file"
  79
  80 if ![runto_main] { fail "skip tests suppressed" }
  81
  82 #
  83 # We shouldn't step into square(), since we skipped skip-solib-lib.c.
  84 #
  85 gdb_test "step" ""
  86 gdb_test "bt" "#0\\s+main.*" "step after ignoring solib file."
  87
  88 #
  89 # Now restart gdb and testing ignoring of a function inside a solib.
  90 #
  91 clean_restart ${executable_main}
  92
  93 gdb_test "skip function multiply" \
  94   "Function multiply will be skipped when stepping\\." \
  95   "ignoring function in solib" \
  96 "No function found named multiply..*
  97 Ignore function pending future shared library load.*" \
  98   "y"
  99
 100 if ![runto_main] { fail "skip tests suppressed" }
 101
 102 #
 103 # Our first step should take us into square.
 104 #
 105 gdb_test "step" "square.*"
 106
 107 #
 108 # Now our entry should no longer be pending.
 109 #
 110 gdb_test "info skip" \
 111   "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 112 1\\s+y\\s+n\\s+<none>\\s+n\\s+multiply\\s*" \
 113   "info skip for function multiply"
 114
 115 #
 116 # This step shouldn't go into multiply -- we should skip it and go on to the
 117 # last line of square.
 118 #
 119 gdb_test "step" ""
 120 gdb_test "bt" "#0\\s+square.*"