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Add trampoline test
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@24763 72102866-910b-0410-8b05-ffd578937521
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fedor
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4 changed files with 169 additions and 6 deletions
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@ -1,3 +1,7 @@
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2007-03-05 Adam Fedor <fedor@gnu.org>
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* configure.ac, config/config.trampoline.c: Add trampoline test.
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2007-03-05 Richard Frith-Macdonald <rfm@gnu.org>
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* Headers/Foundation/NSAffineTransform.h: Add flags to allow
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103
config/config.trampoline.c
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103
config/config.trampoline.c
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@ -0,0 +1,103 @@
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/* Trampoline test */
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/*
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* Copyright 1995-1999, 2001-2002, 2004-2006 Bruno Haible, <bruno@clisp.org>
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*
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* This is free software distributed under the GNU General Public Licence
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* described in the file COPYING. Contact the author if you don't have this
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* or can't live with it. There is ABSOLUTELY NO WARRANTY, explicit or implied,
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* on this software.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "trampoline_r.h"
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#define MAGIC1 0x9db9af42
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#define MAGIC2 0x614a13c9
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#define MAGIC3 0x7aff3cb4
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#define MAGIC4 0xa2f9d045
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#ifdef __cplusplus
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typedef int (*function)(...);
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#else
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typedef int (*function)();
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#endif
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#if defined(__i386__)
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int f (void* env, int x)
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#else
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int f (int x)
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#endif
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{
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#ifdef __GNUC__
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#ifdef __m68k__
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#ifdef __NetBSD__
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register void* env __asm__("a1");
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#else
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register void* env __asm__("a0");
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#endif
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#endif
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#ifdef __mips__
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register void* env __asm__("$2");
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#endif
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#ifdef __mips64__
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register void* env __asm__("$2");
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#endif
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#if defined(__sparc__) && !defined(__sparc64__)
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register void* env __asm__("%g2");
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#endif
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#ifdef __sparc64__
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register void* env __asm__("%g5");
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#endif
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#ifdef __alpha__
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register void* env __asm__("$1");
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#endif
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#ifdef __hppa__
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register void* env __asm__("%r29");
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#endif
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#ifdef __arm__
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register void* env __asm__("r12");
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#endif
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#ifdef __powerpc__
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#ifdef __NetBSD__
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register void* env __asm__("r13");
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#else
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register void* env __asm__("r11");
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#endif
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#endif
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#ifdef __m88k__
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register void* env __asm__("r11");
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#endif
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#ifdef __convex__
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register void* env __asm__("s0");
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#endif
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#ifdef __ia64__
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register void* env __asm__("r15");
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#endif
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#ifdef __x86_64__
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register void* env __asm__("r10");
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#endif
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#ifdef __s390__
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register void* env __asm__("r0");
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#endif
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return x + (int)((long*)env)[0] + (int)((long*)env)[1] + MAGIC3;
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#else
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return x + MAGIC3;
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#endif
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}
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int main ()
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{
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function cf = alloc_trampoline_r((function)&f, (void*)MAGIC1, (void*)MAGIC2);
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#ifdef __GNUC__
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if ((*cf)(MAGIC4) == MAGIC1+MAGIC2+MAGIC3+MAGIC4)
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#else
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if ((*cf)(MAGIC4) == MAGIC3+MAGIC4)
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#endif
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{ free_trampoline_r(cf); printf("Works, test1 passed.\n"); exit(0); }
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else
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{ printf("Doesn't work!\n"); exit(1); }
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}
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48
configure
vendored
48
configure
vendored
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@ -15395,8 +15395,8 @@ fi
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have_forward_hook=yes
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saved_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $OBJCFLAGS -x objective-c"
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echo "$as_me:$LINENO: checking \"for forwarding callback in runtime\"" >&5
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echo $ECHO_N "checking \"for forwarding callback in runtime\"... $ECHO_C" >&6
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echo "$as_me:$LINENO: checking for forwarding callback in runtime" >&5
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echo $ECHO_N "checking for forwarding callback in runtime... $ECHO_C" >&6
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cat >conftest.$ac_ext <<_ACEOF
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#include "$srcdir/config/config.forward.m"
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_ACEOF
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@ -15557,6 +15557,46 @@ rm -f conftest.err conftest.$ac_objext \
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echo "$as_me:$LINENO: result: ffcall" >&5
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echo "${ECHO_T}ffcall" >&6
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fi
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echo "$as_me:$LINENO: checking if ffcall trampolines work" >&5
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echo $ECHO_N "checking if ffcall trampolines work... $ECHO_C" >&6
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cat >conftest.$ac_ext <<_ACEOF
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#include "$srcdir/config/config.trampoline.c"
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -z "$ac_c_werror_flag"
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|| test ! -s conftest.err'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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have_working_trampoline=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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have_working_trampoline=no
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fi
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rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
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echo "$as_me:$LINENO: result: $have_working_trampoline" >&5
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echo "${ECHO_T}$have_working_trampoline" >&6
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if test $have_working_trampoline = no; then
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ffi_ok=no
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fi
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else
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ffi_ok=no
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fi
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@ -15567,6 +15607,10 @@ echo "${ECHO_T}none" >&6
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echo
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if test $have_forward_hook = no; then
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echo "You do not have an up-to-date libobjc library installed"
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elif test $have_working_trampoline = no; then
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echo "You have ffcall, but it does not work properly. Most likely because"
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echo "your're system's security policy is blocking some parts of ffcall"
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echo "we recommend installing libffi instead."
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else
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echo "You do not have either ffcall or libffi installed, or configure needs"
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echo "--with-ffi-include and/or --with-ffi-library flags so GNUstep can find them"
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20
configure.ac
20
configure.ac
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@ -1553,7 +1553,7 @@ case "$target_os" in
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cygwin*) PASS_ARG=yes;;
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esac
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AC_MSG_CHECKING("use of pass-through arguments")
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AC_MSG_CHECKING(use of pass-through arguments)
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AC_ARG_ENABLE(pass-arguments,
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[ --enable-pass-arguments Force user main call to NSProcessInfo initialize],,
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enable_pass_arguments=$PASS_ARG)
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@ -1566,7 +1566,7 @@ fi
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AC_SUBST(GS_PASS_ARGUMENTS)
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AC_MSG_RESULT($enable_pass_arguments)
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AC_MSG_CHECKING("use of fake-main definition")
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AC_MSG_CHECKING(use of fake-main definition)
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AC_ARG_ENABLE(fake-main,
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[ --enable-fake-main Force redefine of user main function],,
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enable_fake_main=no)
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@ -1675,7 +1675,7 @@ fi
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have_forward_hook=yes
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saved_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $OBJCFLAGS -x objective-c"
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AC_MSG_CHECKING("for forwarding callback in runtime")
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AC_MSG_CHECKING(for forwarding callback in runtime)
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AC_COMPILE_IFELSE([#include "$srcdir/config/config.forward.m"],
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have_forward_hook=yes, have_forward_hook=no)
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AC_MSG_RESULT($have_forward_hook)
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fi
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CPPFLAGS="$saved_CPPFLAGS"
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AC_MSG_CHECKING("FFI library usage")
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AC_MSG_CHECKING(FFI library usage)
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WITH_FFI=none
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if test $enable_libffi = yes; then
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AC_DEFINE(USE_LIBFFI,1,
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if test $ffi_ok = yes; then
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AC_MSG_RESULT(ffcall)
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fi
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AC_MSG_CHECKING(if ffcall trampolines work)
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AC_RUN_IFELSE([#include "$srcdir/config/config.trampoline.c"],
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have_working_trampoline=yes, have_working_trampoline=no,
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have_working_trampoline=yes)
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AC_MSG_RESULT($have_working_trampoline)
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if test $have_working_trampoline = no; then
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ffi_ok=no
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fi
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else
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ffi_ok=no
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fi
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echo
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if test $have_forward_hook = no; then
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echo "You do not have an up-to-date libobjc library installed"
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elif test "$have_working_trampoline" = no; then
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echo "You have ffcall, but it does not work properly. Most likely because"
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echo "your're system's security policy is blocking some parts of ffcall"
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echo "we recommend installing libffi instead."
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else
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echo "You do not have either ffcall or libffi installed, or configure needs"
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echo "--with-ffi-include and/or --with-ffi-library flags so GNUstep can find them"
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