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#!/bin/sh
# 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 a little shared object files to test with.
build_so() {
echo building $1.so
if [ $(uname -p) = x86_64 ]; then
CFLAGS="$CFLAGS -fPIC"
fi
cc -c $1.c -o $1.o $CFLAGS
ld -shared -o $1.so $1.o
}
echo 'int summish(int x, int y) { return 1 + x + y; }' > $testfilestem.c
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)
;; 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))))
;; 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 > $testfilestem.test.lisp <<EOF
(assert (= (summish 10 20) 31))
(assert (= 42 numberish))
(setf numberish 13)
(assert (= 13 numberish))
(assert (= 14 (nummish 1)))
(assert (= -1 (negative-short)))
(assert (= -2 (negative-int)))
(assert (= -3 (negative-long)))
(print :stage-1)
;; test realoading object file with new definitions
(assert (= 13 foo))
(assert (= 42 (bar)))
(rename-file "$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
(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
${SBCL:-sbcl} --eval "(progn (compile-file #p\"$testfilestem.def.lisp\") (sb-ext:quit :unix-status 52))"
if [ $? = 52 ] ; then :
else
# we can't compile the test file. something's wrong.
rm $testfilestem.*
echo test failed: $?
exit 1
fi
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 --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 --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.*
# success convention for script
exit 104