#!/bin/sh
-# tests related to foreign function interface and LOAD-FOREIGN
+# tests related to foreign function interface and loading of shared
+# libraries
# This software is part of the SBCL system. See the README file for
# more information.
# While most of SBCL is derived from the CMU CL system, the test
# files (like this one) were written from scratch after the fork
# from CMU CL.
-#
+#
# This software is in the public domain and is provided with
# absolutely no warranty. See the COPYING and CREDITS files for
# more information.
+echo //entering foreign.test.sh
+
+# simple way to make sure we're not punting by accident:
+# setting PUNT to anything other than 104 will make non-dlopen
+# and non-linkage-table platforms fail this
+PUNT=104
+
testfilestem=${TMPDIR:-/tmp}/sbcl-foreign-test-$$
+## Make some shared object files to test with.
+
+build_so() {
+ echo building $1.so
+ if [ "`uname -m`" = x86_64 ]; then
+ CFLAGS="$CFLAGS -fPIC"
+ fi
+ if [ "`uname`" = Darwin ]; then
+ SO_FLAGS="-bundle"
+ else
+ SO_FLAGS="-shared"
+ fi
+ cc -c $1.c -o $1.o $CFLAGS
+ ld $SO_FLAGS -o $1.so $1.o
+}
+
echo 'int summish(int x, int y) { return 1 + x + y; }' > $testfilestem.c
-make $testfilestem.o
-ld -shared -o $testfilestem.so $testfilestem.o
-
-${SBCL:-sbcl} <<EOF
- (unless (fboundp 'load-foreign) ; not necessarily supported on all OSes..
- (sb-ext:quit :unix-status 52)) ; successfully unsupported:-|
- (load-foreign '("$testfilestem.so"))
- (def-alien-routine summish int (x int) (y int))
+echo 'int numberish = 42;' >> $testfilestem.c
+echo 'int nummish(int x) { return numberish + x; }' >> $testfilestem.c
+echo 'short negative_short() { return -1; }' >> $testfilestem.c
+echo 'int negative_int() { return -2; }' >> $testfilestem.c
+echo 'long negative_long() { return -3; }' >> $testfilestem.c
+build_so $testfilestem
+
+echo 'int foo = 13;' > $testfilestem-b.c
+echo 'int bar() { return 42; }' >> $testfilestem-b.c
+build_so $testfilestem-b
+
+echo 'int foo = 42;' > $testfilestem-b2.c
+echo 'int bar() { return 13; }' >> $testfilestem-b2.c
+build_so $testfilestem-b2
+
+echo 'int late_foo = 43;' > $testfilestem-c.c
+echo 'int late_bar() { return 14; }' >> $testfilestem-c.c
+build_so $testfilestem-c
+
+## Foreign definitions & load
+
+cat > $testfilestem.def.lisp <<EOF
+ (define-alien-variable environ (* c-string))
+ (defvar *environ* environ)
+ (eval-when (:compile-toplevel :load-toplevel :execute)
+ (handler-case
+ (progn
+ (load-shared-object "$testfilestem.so")
+ (load-shared-object "$testfilestem-b.so"))
+ (sb-int:unsupported-operator ()
+ ;; At least as of sbcl-0.7.0.5, LOAD-SHARED-OBJECT isn't
+ ;; supported on every OS. In that case, there's nothing to test,
+ ;; and we can just fall through to success.
+ (sb-ext:quit :unix-status 22)))) ; catch that
+ (define-alien-routine summish int (x int) (y int))
+ (define-alien-variable numberish int)
+ (define-alien-routine nummish int (x int))
+ (define-alien-variable "foo" int)
+ (define-alien-routine "bar" int)
+
+ (define-alien-routine "negative_short" short)
+ (define-alien-routine "negative_int" int)
+ (define-alien-routine "negative_long" long)
+
+ ;; compiling this gets us the FOP-FOREIGN-DATAREF-FIXUP on
+ ;; linkage-table ports
+ (defvar *extern* (extern-alien "negative_short" short))
+
+ ;; Test that loading an object file didn't screw up our records
+ ;; of variables visible in runtime. (This was a bug until
+ ;; Nikodemus Siivola's patch in sbcl-0.8.5.50.)
+ ;;
+ ;; This cannot be tested in a saved core, as there is no guarantee
+ ;; that the location will be the same.
+ (assert (= (sb-sys:sap-int (alien-sap *environ*))
+ (sb-sys:sap-int (alien-sap environ))))
+
+ (enable-debugger)
+ ;; automagic restarts
+ (setf *debugger-hook*
+ (lambda (condition hook)
+ (print (list :debugger-hook condition))
+ (let ((cont (find-restart 'continue condition)))
+ (when cont
+ (invoke-restart cont)))
+ (print :fell-through)
+ (invoke-debugger condition)))
+EOF
+
+# Test code
+cat > $testfilestem.test.lisp <<EOF
(assert (= (summish 10 20) 31))
+ (assert (= 42 numberish))
+ (setf numberish 13)
+ (assert (= 13 numberish))
+ (assert (= 14 (nummish 1)))
+
+ (assert (= -1 (negative-short)))
+ (assert (= -2 (negative-int)))
+ (assert (= -3 (negative-long)))
+
+ (print :stage-1)
+
+ ;; test reloading object file with new definitions
+ (assert (= 13 foo))
+ (assert (= 42 (bar)))
+ (rename-file "$testfilestem-b.so" "$testfilestem-b.bak")
+ (rename-file "$testfilestem-b2.so" "$testfilestem-b.so")
+ (load-shared-object "$testfilestem-b.so")
+ (assert (= 42 foo))
+ (assert (= 13 (bar)))
+ (rename-file "$testfilestem-b.so" "$testfilestem-b2.so")
+ (rename-file "$testfilestem-b.bak" "$testfilestem-b.so")
+
+ (print :stage-2)
+
+ ;; test late resolution
+ #+linkage-table
+ (progn
+ (define-alien-variable late-foo int)
+ (define-alien-routine late-bar int)
+ (multiple-value-bind (val err) (ignore-errors late-foo)
+ (assert (not val))
+ (assert (typep err 'undefined-alien-error)))
+ (multiple-value-bind (val err) (ignore-errors (late-bar))
+ (assert (not val))
+ (assert (typep err 'undefined-alien-error)))
+ (load-shared-object "$testfilestem-c.so")
+ (assert (= 43 late-foo))
+ (assert (= 14 (late-bar))))
+
+ (print :stage-3)
+
(sb-ext:quit :unix-status 52) ; success convention for Lisp program
EOF
-if [ $? != 52 ]; then
+
+${SBCL:-sbcl} --eval "(progn (load (compile-file #p\"$testfilestem.def.lisp\")) (sb-ext:quit :unix-status 52))"
+if [ $? = 52 ]; then
+ true # nop
+else
+ # we can't compile the test file. something's wrong.
+ rm $testfilestem.*
echo test failed: $?
exit 1
fi
-# FIXME: I rewrote the handling of ENV/ENVIRONMENT arguments for
-# LOAD-FOREIGN, but I can't think of a nice way to test it. (Kent Beck
-# would cry. If he didn't keel over on the spot and then commence
-# rolling over in his grave.:-) It would be good to make a test case
-# for it..
+echo compile ok
+
+${SBCL:-sbcl} --load $testfilestem.def.fasl --load $testfilestem.test.lisp
+RET=$?
+if [ $RET = 22 ]; then
+ rm $testfilestem.*
+ exit $PUNT # success -- load-shared-object not supported
+elif [ $RET != 52 ]; then
+ rm $testfilestem.*
+ echo test failed: $?
+ exit 1
+fi
+
+echo load ok
+
+${SBCL:-sbcl} --load $testfilestem.def.fasl --eval "(when (member :linkage-table *features*) (save-lisp-and-die \"$testfilestem.core\"))" <<EOF
+ (sb-ext:quit :unix-status 22) ; catch this
+EOF
+if [ $? = 22 ]; then
+ rm $testfilestem.*
+ exit $PUNT # success -- linkage-table not available
+fi
+
+echo table ok
+
+${SBCL_ALLOWING_CORE:-sbcl} --core $testfilestem.core --sysinit /dev/null --userinit /dev/null --load $testfilestem.test.lisp
+if [ $? != 52 ]; then
+ rm $testfilestem.*
+ echo test failed: $?
+ exit 1 # Failure
+fi
+
+echo start ok
+
+# missing object file
+rm $testfilestem-b.so $testfilestem-b2.so
+${SBCL_ALLOWING_CORE:-sbcl} --core $testfilestem.core --sysinit /dev/null --userinit /dev/null <<EOF
+ (assert (= 22 (summish 10 11)))
+ (multiple-value-bind (val err) (ignore-errors (eval 'foo))
+ (assert (not val))
+ (assert (typep err 'undefined-alien-error)))
+ (multiple-value-bind (val err) (ignore-errors (eval '(bar)))
+ (assert (not val))
+ (assert (typep err 'undefined-alien-error)))
+ (quit :unix-status 52)
+EOF
+if [ $? != 52 ]; then
+ rm $testfilestem.*
+ echo test failed: $?
+ exit 1 # Failure
+fi
+
+echo missing ok
-rm $testfilestem.*
+rm -f $testfilestem.* $testfilestem-*
# success convention for script
exit 104
projects / sbcl.git / blobdiff