tests/foreign.test.sh

   1 #!/bin/sh
   2
   3 # tests related to foreign function interface and loading of shared
   4 # libraries
   5
   6 # This software is part of the SBCL system. See the README file for
   7 # more information.
   8 #
   9 # While most of SBCL is derived from the CMU CL system, the test
  10 # files (like this one) were written from scratch after the fork
  11 # from CMU CL.
  12 #
  13 # This software is in the public domain and is provided with
  14 # absolutely no warranty. See the COPYING and CREDITS files for
  15 # more information.
  16
  17 echo //entering foreign.test.sh
  18
  19 # simple way to make sure we're not punting by accident:
  20 # setting PUNT to anything other than 104 will make non-dlopen
  21 # and non-linkage-table platforms fail this
  22 PUNT=104
  23
  24 testfilestem=${TMPDIR:-/tmp}/sbcl-foreign-test-$$
  25
  26 ## Make a little shared object files to test with.
  27
  28 build_so() {
  29   echo building $1.so
  30   if [ "$(uname -m)" = x86_64 ]; then
  31     CFLAGS="$CFLAGS -fPIC"
  32   fi
  33   if [ "$(uname)" = Darwin ]; then
  34     SO_FLAGS="-bundle"
  35   else
  36     SO_FLAGS="-shared"
  37   fi
  38   cc -c $1.c -o $1.o $CFLAGS
  39   ld $SO_FLAGS -o $1.so $1.o
  40 }
  41
  42 echo 'int summish(int x, int y) { return 1 + x + y; }' > $testfilestem.c
  43 echo 'int numberish = 42;' >> $testfilestem.c
  44 echo 'int nummish(int x) { return numberish + x; }' >> $testfilestem.c
  45 echo 'short negative_short() { return -1; }' >> $testfilestem.c
  46 echo 'int negative_int()     { return -2; }' >> $testfilestem.c
  47 echo 'long negative_long()   { return -3; }' >> $testfilestem.c
  48 build_so $testfilestem
  49
  50 echo 'int foo = 13;' > $testfilestem-b.c
  51 echo 'int bar() { return 42; }' >> $testfilestem-b.c
  52 build_so $testfilestem-b
  53
  54 echo 'int foo = 42;' > $testfilestem-b2.c
  55 echo 'int bar() { return 13; }' >> $testfilestem-b2.c
  56 build_so $testfilestem-b2
  57
  58 echo 'int late_foo = 43;' > $testfilestem-c.c
  59 echo 'int late_bar() { return 14; }' >> $testfilestem-c.c
  60 build_so $testfilestem-c
  61
  62 ## Foreign definitions & load
  63
  64 cat > $testfilestem.def.lisp <<EOF
  65   (define-alien-variable environ (* c-string))
  66   (defvar *environ* environ)
  67   (eval-when (:compile-toplevel :load-toplevel :execute)
  68     (handler-case
  69         (progn
  70           (load-shared-object "$testfilestem.so")
  71           (load-shared-object "$testfilestem-b.so"))
  72       (sb-int:unsupported-operator ()
  73         ;; At least as of sbcl-0.7.0.5, LOAD-SHARED-OBJECT isn't
  74         ;; supported on every OS. In that case, there's nothing to test,
  75         ;; and we can just fall through to success.
  76         (sb-ext:quit :unix-status 22)))) ; catch that
  77   (define-alien-routine summish int (x int) (y int))
  78   (define-alien-variable numberish int)
  79   (define-alien-routine nummish int (x int))
  80   (define-alien-variable "foo" int)
  81   (define-alien-routine "bar" int)
  82
  83   (define-alien-routine "negative_short" short)
  84   (define-alien-routine "negative_int" int)
  85   (define-alien-routine "negative_long" long)
  86
  87   ;; compiling this gets us the FOP-FOREIGN-DATAREF-FIXUP on
  88   ;; linkage-table ports
  89   (defvar *extern* (extern-alien "negative_short" short))
  90
  91   ;; Test that loading an object file didn't screw up our records
  92   ;; of variables visible in runtime. (This was a bug until
  93   ;; Nikodemus Siivola's patch in sbcl-0.8.5.50.)
  94   ;;
  95   ;; This cannot be tested in a saved core, as there is no guarantee
  96   ;; that the location will be the same.
  97   (assert (= (sb-sys:sap-int (alien-sap *environ*))
  98              (sb-sys:sap-int (alien-sap environ))))
  99
 100   ;; automagic restarts
 101   (setf *debugger-hook*
 102         (lambda (condition hook)
 103           (print (list :debugger-hook condition))
 104           (let ((cont (find-restart 'continue condition)))
 105             (when cont
 106               (invoke-restart cont)))
 107           (print :fell-through)
 108           (invoke-debugger condition)))
 109 EOF
 110
 111 # Test code
 112 cat > $testfilestem.test.lisp <<EOF
 113   (assert (= (summish 10 20) 31))
 114   (assert (= 42 numberish))
 115   (setf numberish 13)
 116   (assert (= 13 numberish))
 117   (assert (= 14 (nummish 1)))
 118
 119   (assert (= -1 (negative-short)))
 120   (assert (= -2 (negative-int)))
 121   (assert (= -3 (negative-long)))
 122
 123   (print :stage-1)
 124
 125   ;; test realoading object file with new definitions
 126   (assert (= 13 foo))
 127   (assert (= 42 (bar)))
 128   (rename-file "$testfilestem-b.so" "$testfilestem-b.bak")
 129   (rename-file "$testfilestem-b2.so" "$testfilestem-b.so")
 130   (load-shared-object "$testfilestem-b.so")
 131   (assert (= 42 foo))
 132   (assert (= 13 (bar)))
 133   (rename-file "$testfilestem-b.so" "$testfilestem-b2.so")
 134   (rename-file "$testfilestem-b.bak" "$testfilestem-b.so")
 135
 136   (print :stage-2)
 137
 138   ;; test late resolution
 139   (define-alien-variable late-foo int)
 140   (define-alien-routine late-bar int)
 141   (multiple-value-bind (val err) (ignore-errors late-foo)
 142     (assert (not val))
 143     (assert (typep err 'undefined-alien-error)))
 144   (multiple-value-bind (val err) (ignore-errors (late-bar))
 145     (assert (not val))
 146     (assert (typep err 'undefined-alien-error)))
 147   (load-shared-object "$testfilestem-c.so")
 148   (assert (= 43 late-foo))
 149   (assert (= 14 (late-bar)))
 150
 151   (print :stage-3)
 152
 153   (sb-ext:quit :unix-status 52) ; success convention for Lisp program
 154 EOF
 155
 156 ${SBCL:-sbcl} --eval "(progn (load (compile-file #p\"$testfilestem.def.lisp\")) (sb-ext:quit :unix-status 52))"
 157 if [ $? = 52 ]; then
 158     true # nop
 159 else
 160     # we can't compile the test file. something's wrong.
 161     rm $testfilestem.*
 162     echo test failed: $?
 163     exit 1
 164 fi
 165
 166 echo compile ok
 167
 168 ${SBCL:-sbcl} --load $testfilestem.def.fasl --load $testfilestem.test.lisp
 169 RET=$?
 170 if [ $RET = 22 ]; then
 171     rm $testfilestem.*
 172     exit $PUNT # success -- load-shared-object not supported
 173 elif [ $RET != 52 ]; then
 174     rm $testfilestem.*
 175     echo test failed: $?
 176     exit 1
 177 fi
 178
 179 echo load ok
 180
 181 ${SBCL:-sbcl} --load $testfilestem.def.fasl --eval "(when (member :linkage-table *features*) (save-lisp-and-die \"$testfilestem.core\"))" <<EOF
 182   (sb-ext:quit :unix-status 22) ; catch this
 183 EOF
 184 if [ $? = 22 ]; then
 185     rm $testfilestem.*
 186     exit $PUNT # success -- linkage-table not available
 187 fi
 188
 189 echo table ok
 190
 191 ${SBCL_ALLOWING_CORE:-sbcl} --core $testfilestem.core --sysinit /dev/null --userinit /dev/null --load $testfilestem.test.lisp
 192 if [ $? != 52 ]; then
 193     rm $testfilestem.*
 194     echo test failed: $?
 195     exit 1 # Failure
 196 fi
 197
 198 echo start ok
 199
 200 # missing object file
 201 rm $testfilestem-b.so $testfilestem-b2.so
 202 ${SBCL_ALLOWING_CORE:-sbcl} --core $testfilestem.core --sysinit /dev/null --userinit /dev/null <<EOF
 203   (assert (= 22 (summish 10 11)))
 204   (multiple-value-bind (val err) (ignore-errors (eval 'foo))
 205     (assert (not val))
 206     (assert (typep err 'undefined-alien-error)))
 207   (multiple-value-bind (val err) (ignore-errors (eval '(bar)))
 208     (assert (not val))
 209     (assert (typep err 'undefined-alien-error)))
 210   (quit :unix-status 52)
 211 EOF
 212 if [ $? != 52 ]; then
 213     rm $testfilestem.*
 214     echo test failed: $?
 215     exit 1 # Failure
 216 fi
 217
 218 echo missing ok
 219
 220 rm -f $testfilestem.* $testfilestem-*
 221
 222 # success convention for script
 223 exit 104