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   (enable-debugger)
 101   ;; automagic restarts
 102   (setf *debugger-hook*
 103         (lambda (condition hook)
 104           (print (list :debugger-hook condition))
 105           (let ((cont (find-restart 'continue condition)))
 106             (when cont
 107               (invoke-restart cont)))
 108           (print :fell-through)
 109           (invoke-debugger condition)))
 110 EOF
 111
 112 # Test code
 113 cat > $testfilestem.test.lisp <<EOF
 114   (assert (= (summish 10 20) 31))
 115   (assert (= 42 numberish))
 116   (setf numberish 13)
 117   (assert (= 13 numberish))
 118   (assert (= 14 (nummish 1)))
 119
 120   (assert (= -1 (negative-short)))
 121   (assert (= -2 (negative-int)))
 122   (assert (= -3 (negative-long)))
 123
 124   (print :stage-1)
 125
 126   ;; test realoading object file with new definitions
 127   (assert (= 13 foo))
 128   (assert (= 42 (bar)))
 129   (rename-file "$testfilestem-b.so" "$testfilestem-b.bak")
 130   (rename-file "$testfilestem-b2.so" "$testfilestem-b.so")
 131   (load-shared-object "$testfilestem-b.so")
 132   (assert (= 42 foo))
 133   (assert (= 13 (bar)))
 134   (rename-file "$testfilestem-b.so" "$testfilestem-b2.so")
 135   (rename-file "$testfilestem-b.bak" "$testfilestem-b.so")
 136
 137   (print :stage-2)
 138
 139   ;; test late resolution
 140   (define-alien-variable late-foo int)
 141   (define-alien-routine late-bar int)
 142   (multiple-value-bind (val err) (ignore-errors late-foo)
 143     (assert (not val))
 144     (assert (typep err 'undefined-alien-error)))
 145   (multiple-value-bind (val err) (ignore-errors (late-bar))
 146     (assert (not val))
 147     (assert (typep err 'undefined-alien-error)))
 148   (load-shared-object "$testfilestem-c.so")
 149   (assert (= 43 late-foo))
 150   (assert (= 14 (late-bar)))
 151
 152   (print :stage-3)
 153
 154   (sb-ext:quit :unix-status 52) ; success convention for Lisp program
 155 EOF
 156
 157 ${SBCL:-sbcl} --eval "(progn (load (compile-file #p\"$testfilestem.def.lisp\")) (sb-ext:quit :unix-status 52))"
 158 if [ $? = 52 ]; then
 159     true # nop
 160 else
 161     # we can't compile the test file. something's wrong.
 162     rm $testfilestem.*
 163     echo test failed: $?
 164     exit 1
 165 fi
 166
 167 echo compile ok
 168
 169 ${SBCL:-sbcl} --load $testfilestem.def.fasl --load $testfilestem.test.lisp
 170 RET=$?
 171 if [ $RET = 22 ]; then
 172     rm $testfilestem.*
 173     exit $PUNT # success -- load-shared-object not supported
 174 elif [ $RET != 52 ]; then
 175     rm $testfilestem.*
 176     echo test failed: $?
 177     exit 1
 178 fi
 179
 180 echo load ok
 181
 182 ${SBCL:-sbcl} --load $testfilestem.def.fasl --eval "(when (member :linkage-table *features*) (save-lisp-and-die \"$testfilestem.core\"))" <<EOF
 183   (sb-ext:quit :unix-status 22) ; catch this
 184 EOF
 185 if [ $? = 22 ]; then
 186     rm $testfilestem.*
 187     exit $PUNT # success -- linkage-table not available
 188 fi
 189
 190 echo table ok
 191
 192 ${SBCL_ALLOWING_CORE:-sbcl} --core $testfilestem.core --sysinit /dev/null --userinit /dev/null --load $testfilestem.test.lisp
 193 if [ $? != 52 ]; then
 194     rm $testfilestem.*
 195     echo test failed: $?
 196     exit 1 # Failure
 197 fi
 198
 199 echo start ok
 200
 201 # missing object file
 202 rm $testfilestem-b.so $testfilestem-b2.so
 203 ${SBCL_ALLOWING_CORE:-sbcl} --core $testfilestem.core --sysinit /dev/null --userinit /dev/null <<EOF
 204   (assert (= 22 (summish 10 11)))
 205   (multiple-value-bind (val err) (ignore-errors (eval 'foo))
 206     (assert (not val))
 207     (assert (typep err 'undefined-alien-error)))
 208   (multiple-value-bind (val err) (ignore-errors (eval '(bar)))
 209     (assert (not val))
 210     (assert (typep err 'undefined-alien-error)))
 211   (quit :unix-status 52)
 212 EOF
 213 if [ $? != 52 ]; then
 214     rm $testfilestem.*
 215     echo test failed: $?
 216     exit 1 # Failure
 217 fi
 218
 219 echo missing ok
 220
 221 rm -f $testfilestem.* $testfilestem-*
 222
 223 # success convention for script
 224 exit 104