tests/regression/abi0-conflict/test_abi0_conflict

   1 #!/bin/bash
   2
   3 # SPDX-FileCopyrightText: 2023 EfficiOS, Inc
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 if [ "x${UST_TESTS_SRCDIR:-}" != "x" ]; then
   8         UTILSSH="$UST_TESTS_SRCDIR/utils/utils.sh"
   9 else
  10         UTILSSH="$(dirname "$0")/../../utils/utils.sh"
  11 fi
  12
  13 # shellcheck source=../../utils/utils.sh
  14 source "$UTILSSH"
  15
  16 # shellcheck source=../../utils/tap.sh
  17 source "$UST_TESTS_SRCDIR/utils/tap.sh"
  18
  19 CURDIR="${UST_TESTS_BUILDDIR}/regression/abi0-conflict"
  20
  21 LIBFAKEUST0_PATH="${CURDIR}/.libs"
  22 LIBFAKEUST0="${LIBFAKEUST0_PATH}/libfakeust0.so"
  23
  24 LIBUST1_PATH="${UST_TESTS_BUILDDIR}/../src/lib/lttng-ust/.libs/"
  25 LIBUST1="${LIBUST1_PATH}/liblttng-ust.so.1"
  26
  27 STD_OUTPUT="/dev/null"
  28 STD_ERROR="/dev/null"
  29
  30 NUM_TESTS=22
  31
  32 # Set this variable to disable tests that rely on a library using a symbol from
  33 # the global offset table even if it provides its own copy, which is the
  34 # default behavior on Linux. This happens when using the '-Bsymbolic-functions'
  35 # linker flag.
  36 UST_TESTS_LD_SYMBOLIC_FUNC=${UST_TESTS_LD_SYMBOLIC_FUNC:-}
  37
  38 # On FreeBSD, symbol resolution when dlopening a shared object will always
  39 # favor symbols local to this shared object and thus our canary function will
  40 # never be called which breaks our abi conflict detection when abi1 is loaded
  41 # first.
  42 if [ "$UST_OS_TYPE" = "freebsd" ]; then
  43         UST_TESTS_LD_SYMBOLIC_FUNC=1
  44 fi
  45
  46 if [ "$UST_TESTS_LD_SYMBOLIC_FUNC" != "" ]; then
  47         NUM_TESTS=$((NUM_TESTS - 4))
  48 fi
  49
  50 # Force abort on CRIT() to detect ABI conflicts
  51 export LTTNG_UST_ABORT_ON_CRITICAL=1
  52
  53 plan_tests $NUM_TESTS
  54
  55 ###
  56 ##  LD_PRELOAD tests
  57 ###
  58
  59 diag "LD_PRELOAD"
  60
  61 ## App NOT linked on liblttng-ust
  62
  63 "${CURDIR}/app_noust" >"$STD_OUTPUT" 2>"$STD_ERROR"
  64 ok $? "LD_PRELOAD: no-ust app works"
  65
  66 LD_PRELOAD="${LIBFAKEUST0}" "${CURDIR}/app_noust" >"$STD_OUTPUT" 2>"$STD_ERROR"
  67 ok $? "LD_PRELOAD: no-ust app with abi0 preload succeeds"
  68
  69 LD_PRELOAD="${LIBFAKEUST0}:${LIBUST1}" "${CURDIR}/app_noust" >"$STD_OUTPUT" 2>"$STD_ERROR"
  70 isnt $? 0 "LD_PRELOAD: no-ust app with abi0 and abi1 preload fails"
  71
  72 LD_PRELOAD="${LIBUST1}:${LIBFAKEUST0}" "${CURDIR}/app_noust" >"$STD_OUTPUT" 2>"$STD_ERROR"
  73 isnt $? 0 "LD_PRELOAD: no-ust app with abi1 and abi0 preload fails"
  74
  75
  76 ## App linked on liblttng-ust.so.1
  77
  78 "${CURDIR}/app_ust" >"$STD_OUTPUT" 2>"$STD_ERROR"
  79 ok $? "LD_PRELOAD: ust app works"
  80
  81 LD_PRELOAD="${LIBFAKEUST0}" "${CURDIR}/app_ust" >"$STD_OUTPUT" 2>"$STD_ERROR"
  82 isnt $? 0 "LD_PRELOAD: ust app with abi0 preload fails"
  83
  84 LD_PRELOAD="${LIBFAKEUST0}:${LIBUST1}" "${CURDIR}/app_ust" >"$STD_OUTPUT" 2>"$STD_ERROR"
  85 isnt $? 0 "LD_PRELOAD: ust app with abi0 and abi1 preload fails"
  86
  87 LD_PRELOAD="${LIBUST1}:${LIBFAKEUST0}" "${CURDIR}/app_ust" >"$STD_OUTPUT" 2>"$STD_ERROR"
  88 isnt $? 0 "LD_PRELOAD: ust app with abi1 and abi0 preload fails"
  89
  90
  91 ###
  92 ## dlopen tests
  93 ###
  94
  95 diag "dlopen"
  96
  97 ## App NOT linked on liblttng-ust
  98
  99 LD_LIBRARY_PATH="$LIBFAKEUST0_PATH:$LIBUST1_PATH" "${CURDIR}/app_noust_dlopen" abi0 >"$STD_OUTPUT" 2>"$STD_ERROR"
 100 ok $? "dlopen: no-ust app works"
 101
 102 LD_LIBRARY_PATH="$LIBFAKEUST0_PATH:$LIBUST1_PATH" "${CURDIR}/app_noust_dlopen" abi1_abi1 >"$STD_OUTPUT" 2>"$STD_ERROR"
 103 ok $? "dlopen: no-ust app with abi1 and abi1 succeeds"
 104
 105 LD_LIBRARY_PATH="$LIBFAKEUST0_PATH:$LIBUST1_PATH" "${CURDIR}/app_noust_dlopen" abi0_abi1 >"$STD_OUTPUT" 2>"$STD_ERROR"
 106 isnt $? 0 "dlopen: no-ust app with abi0 and abi1 fails"
 107
 108 if [ "$UST_TESTS_LD_SYMBOLIC_FUNC" = "" ]; then
 109     LD_LIBRARY_PATH="$LIBFAKEUST0_PATH:$LIBUST1_PATH" "${CURDIR}/app_noust_dlopen" abi1_abi0 >"$STD_OUTPUT" 2>"$STD_ERROR"
 110     isnt $? 0 "dlopen: no-ust app with abi1 and abi0 fails"
 111 fi
 112
 113 ## App linked on liblttng-ust.so.1
 114
 115 LD_LIBRARY_PATH="$LIBFAKEUST0_PATH:$LIBUST1_PATH" "${CURDIR}/app_ust_dlopen" abi1 >"$STD_OUTPUT" 2>"$STD_ERROR"
 116 ok $? "dlopen: ust app works"
 117
 118 if [ "$UST_TESTS_LD_SYMBOLIC_FUNC" = "" ]; then
 119     LD_LIBRARY_PATH="$LIBFAKEUST0_PATH:$LIBUST1_PATH" "${CURDIR}/app_ust_dlopen" abi0 >"$STD_OUTPUT" 2>"$STD_ERROR"
 120     isnt $? 0 "dlopen: ust app with abi0 fails"
 121
 122     LD_LIBRARY_PATH="$LIBFAKEUST0_PATH:$LIBUST1_PATH" "${CURDIR}/app_ust_dlopen" abi0_abi1 >"$STD_OUTPUT" 2>"$STD_ERROR"
 123     isnt $? 0 "dlopen: ust app with abi0 and abi1 fails"
 124
 125     LD_LIBRARY_PATH="$LIBFAKEUST0_PATH:$LIBUST1_PATH" "${CURDIR}/app_ust_dlopen" abi1_abi0 >"$STD_OUTPUT" 2>"$STD_ERROR"
 126     isnt $? 0 "dlopen: ust app with abi1 and abi0 fails"
 127 fi
 128
 129
 130 ###
 131 ##  Indirect linking
 132 ###
 133
 134 diag "Indirect linking"
 135
 136 ## App NOT linked on liblttng-ust
 137
 138 "${CURDIR}/app_noust_indirect_abi0" >"$STD_OUTPUT" 2>"$STD_ERROR"
 139 ok $? "indirect: no-ust app with abi0 succeeds"
 140
 141 "${CURDIR}/app_noust_indirect_abi1" >"$STD_OUTPUT" 2>"$STD_ERROR"
 142 ok $? "indirect: no-ust app with abi1 succeeds"
 143
 144 "${CURDIR}/app_noust_indirect_abi0_abi1" >"$STD_OUTPUT" 2>"$STD_ERROR"
 145 isnt $? 0 "indirect: no-ust app with abi0 and abi1 fails"
 146
 147 ## App linked on liblttng-ust
 148
 149 "${CURDIR}/app_ust_indirect_abi0" >"$STD_OUTPUT" 2>"$STD_ERROR"
 150 isnt $? 0 "indirect: ust app with abi0 fails"
 151
 152 "${CURDIR}/app_ust_indirect_abi1" >"$STD_OUTPUT" 2>"$STD_ERROR"
 153 ok $? "indirect: ust app with abi1 succeeds"
 154
 155 "${CURDIR}/app_ust_indirect_abi0_abi1" >"$STD_OUTPUT" 2>"$STD_ERROR"
 156 isnt $? 0 "indirect: ust app with abi0 and abi1 fails"