89d9d98ae5
PR libffi/28313 * configure.ac: Don't treat mips64 as a special case. * Makefile.am (nodist_libffi_la_SOURCES): Add n32.S. * configure: Regenerate * Makefile.in: Ditto. * fficonfig.h.in: Ditto. * src/mips/ffitarget.h (REG_L, REG_S, SUBU, ADDU, SRL, LI): Indent. (LA, EH_FRAME_ALIGN, FDE_ADDR_BYTES): New preprocessor macros. (FFI_DEFAULT_ABI): Set for n64 case. (FFI_CLOSURES, FFI_TRAMPOLINE_SIZE): Define for n32 and n64 cases. * src/mips/n32.S (ffi_call_N32): Add debug macros and labels for FDE. (ffi_closure_N32): New function. (.eh_frame): New section * src/mips/o32.S: Clean up comments. (ffi_closure_O32): Pass ffi_closure parameter in $12. * src/mips/ffi.c: Use FFI_MIPS_N32 instead of _MIPS_SIM == _ABIN32 throughout. (FFI_MIPS_STOP_HERE): New, use in place of ffi_stop_here. (ffi_prep_args): Use unsigned long to hold pointer values. Rewrite to support n32/n64 ABIs. (calc_n32_struct_flags): Rewrite. (calc_n32_return_struct_flags): Remove unused variable. Reverse position of flag bits. (ffi_prep_cif_machdep): Rewrite n32 portion. (ffi_call): Enable for n64. Add special handling for small structure return values. (ffi_prep_closure_loc): Add n32 and n64 support. (ffi_closure_mips_inner_O32): Add cast to silence warning. (copy_struct_N32, ffi_closure_mips_inner_N32): New functions. From-SVN: r127336
366 lines
9.7 KiB
Plaintext
366 lines
9.7 KiB
Plaintext
dnl Process this with autoconf to create configure
|
|
|
|
AC_PREREQ(2.59)
|
|
|
|
AC_INIT([libffi], [2.1], [http://gcc.gnu.org/bugs.html])
|
|
AC_CONFIG_HEADERS([fficonfig.h])
|
|
|
|
AM_ENABLE_MULTILIB(, ..)
|
|
|
|
AC_CANONICAL_SYSTEM
|
|
target_alias=${target_alias-$host_alias}
|
|
|
|
. ${srcdir}/configure.host
|
|
|
|
AM_INIT_AUTOMAKE
|
|
|
|
# The same as in boehm-gc and libstdc++. Have to borrow it from there.
|
|
# We must force CC to /not/ be precious variables; otherwise
|
|
# the wrong, non-multilib-adjusted value will be used in multilibs.
|
|
# As a side effect, we have to subst CFLAGS ourselves.
|
|
|
|
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
|
|
m4_define([_AC_ARG_VAR_PRECIOUS],[])
|
|
AC_PROG_CC
|
|
m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
|
|
|
|
AC_SUBST(CFLAGS)
|
|
|
|
AM_PROG_AS
|
|
AM_PROG_CC_C_O
|
|
AC_PROG_LIBTOOL
|
|
|
|
AM_MAINTAINER_MODE
|
|
|
|
AC_CHECK_HEADERS(sys/mman.h)
|
|
AC_CHECK_FUNCS(mmap)
|
|
AC_FUNC_MMAP_BLACKLIST
|
|
|
|
dnl The -no-testsuite modules omit the test subdir.
|
|
AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
|
|
|
|
TARGETDIR="unknown"
|
|
case "$host" in
|
|
alpha*-*-*)
|
|
TARGET=ALPHA; TARGETDIR=alpha;
|
|
# Support 128-bit long double, changable via command-line switch.
|
|
HAVE_LONG_DOUBLE='defined(__LONG_DOUBLE_128__)'
|
|
;;
|
|
|
|
arm*-*-*)
|
|
TARGET=ARM; TARGETDIR=arm
|
|
;;
|
|
|
|
cris-*-*)
|
|
TARGET=LIBFFI_CRIS; TARGETDIR=cris
|
|
;;
|
|
|
|
frv-*-*)
|
|
TARGET=FRV; TARGETDIR=frv
|
|
;;
|
|
|
|
hppa*-*-linux* | parisc*-*-linux*)
|
|
TARGET=PA_LINUX; TARGETDIR=pa
|
|
;;
|
|
hppa*64-*-hpux*)
|
|
TARGET=PA64_HPUX; TARGETDIR=pa
|
|
;;
|
|
hppa*-*-hpux*)
|
|
TARGET=PA_HPUX; TARGETDIR=pa
|
|
;;
|
|
|
|
i?86-win32* | i?86-*-cygwin* | i?86-*-mingw*)
|
|
TARGET=X86_WIN32; TARGETDIR=x86
|
|
;;
|
|
i?86-*-darwin*)
|
|
TARGET=X86_DARWIN; TARGETDIR=x86
|
|
;;
|
|
i?86-*-solaris2.1[[0-9]]*)
|
|
TARGET=X86_64; TARGETDIR=x86
|
|
;;
|
|
i?86-*-*)
|
|
TARGET=X86; TARGETDIR=x86
|
|
;;
|
|
|
|
ia64*-*-*)
|
|
TARGET=IA64; TARGETDIR=ia64
|
|
;;
|
|
|
|
m32r*-*-*)
|
|
TARGET=M32R; TARGETDIR=m32r
|
|
;;
|
|
|
|
m68k-*-*)
|
|
TARGET=M68K; TARGETDIR=m68k
|
|
;;
|
|
|
|
mips-sgi-irix5.* | mips-sgi-irix6.*)
|
|
TARGET=MIPS_IRIX; TARGETDIR=mips
|
|
;;
|
|
mips*-*-linux*)
|
|
TARGET=MIPS_LINUX; TARGETDIR=mips
|
|
;;
|
|
|
|
powerpc*-*-linux* | powerpc-*-sysv*)
|
|
TARGET=POWERPC; TARGETDIR=powerpc
|
|
;;
|
|
powerpc-*-beos*)
|
|
TARGET=POWERPC; TARGETDIR=powerpc
|
|
;;
|
|
powerpc-*-darwin*)
|
|
TARGET=POWERPC_DARWIN; TARGETDIR=powerpc
|
|
;;
|
|
powerpc-*-aix* | rs6000-*-aix*)
|
|
TARGET=POWERPC_AIX; TARGETDIR=powerpc
|
|
;;
|
|
powerpc-*-freebsd*)
|
|
TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc
|
|
;;
|
|
powerpc*-*-rtems*)
|
|
TARGET=POWERPC; TARGETDIR=powerpc
|
|
;;
|
|
|
|
s390-*-* | s390x-*-*)
|
|
TARGET=S390; TARGETDIR=s390
|
|
;;
|
|
|
|
sh-*-* | sh[[34]]*-*-*)
|
|
TARGET=SH; TARGETDIR=sh
|
|
;;
|
|
sh64-*-* | sh5*-*-*)
|
|
TARGET=SH64; TARGETDIR=sh64
|
|
;;
|
|
|
|
sparc*-*-*)
|
|
TARGET=SPARC; TARGETDIR=sparc
|
|
;;
|
|
|
|
x86_64-*-darwin*)
|
|
TARGET=X86_DARWIN; TARGETDIR=x86
|
|
;;
|
|
x86_64-*-cygwin* | x86_64-*-mingw*)
|
|
;;
|
|
x86_64-*-*)
|
|
TARGET=X86_64; TARGETDIR=x86
|
|
;;
|
|
esac
|
|
|
|
AC_SUBST(AM_RUNTESTFLAGS)
|
|
|
|
if test $TARGETDIR = unknown; then
|
|
AC_MSG_ERROR(["libffi has not been ported to $host."])
|
|
fi
|
|
|
|
AM_CONDITIONAL(MIPS_IRIX, test x$TARGET = xMIPS_IRIX)
|
|
AM_CONDITIONAL(MIPS_LINUX, test x$TARGET = xMIPS_LINUX)
|
|
AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
|
|
AM_CONDITIONAL(X86, test x$TARGET = xX86)
|
|
AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32)
|
|
AM_CONDITIONAL(X86_DARWIN, test x$TARGET = xX86_DARWIN)
|
|
AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
|
|
AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
|
|
AM_CONDITIONAL(M32R, test x$TARGET = xM32R)
|
|
AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
|
|
AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
|
|
AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX)
|
|
AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN)
|
|
AM_CONDITIONAL(POWERPC_FREEBSD, test x$TARGET = xPOWERPC_FREEBSD)
|
|
AM_CONDITIONAL(ARM, test x$TARGET = xARM)
|
|
AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS)
|
|
AM_CONDITIONAL(FRV, test x$TARGET = xFRV)
|
|
AM_CONDITIONAL(S390, test x$TARGET = xS390)
|
|
AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64)
|
|
AM_CONDITIONAL(SH, test x$TARGET = xSH)
|
|
AM_CONDITIONAL(SH64, test x$TARGET = xSH64)
|
|
AM_CONDITIONAL(PA_LINUX, test x$TARGET = xPA_LINUX)
|
|
AM_CONDITIONAL(PA_HPUX, test x$TARGET = xPA_HPUX)
|
|
AM_CONDITIONAL(PA64_HPUX, test x$TARGET = xPA64_HPUX)
|
|
|
|
case x$TARGET in
|
|
xMIPS*) TARGET=MIPS ;;
|
|
*) ;;
|
|
esac
|
|
|
|
AC_HEADER_STDC
|
|
AC_CHECK_FUNCS(memcpy)
|
|
AC_FUNC_ALLOCA
|
|
|
|
AC_CHECK_SIZEOF(double)
|
|
AC_CHECK_SIZEOF(long double)
|
|
|
|
# Also AC_SUBST this variable for ffi.h.
|
|
if test -z "$HAVE_LONG_DOUBLE"; then
|
|
HAVE_LONG_DOUBLE=0
|
|
if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then
|
|
if test $ac_cv_sizeof_long_double != 0; then
|
|
HAVE_LONG_DOUBLE=1
|
|
AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double])
|
|
fi
|
|
fi
|
|
fi
|
|
AC_SUBST(HAVE_LONG_DOUBLE)
|
|
|
|
AC_C_BIGENDIAN
|
|
|
|
AC_CACHE_CHECK([assembler .cfi pseudo-op support],
|
|
libffi_cv_as_cfi_pseudo_op, [
|
|
libffi_cv_as_cfi_pseudo_op=unknown
|
|
AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],,
|
|
[libffi_cv_as_cfi_pseudo_op=yes],
|
|
[libffi_cv_as_cfi_pseudo_op=no])
|
|
])
|
|
if test "x$libffi_cv_as_cfi_pseudo_op" = xyes; then
|
|
AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1,
|
|
[Define if your assembler supports .cfi_* directives.])
|
|
fi
|
|
|
|
if test x$TARGET = xSPARC; then
|
|
AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
|
|
libffi_cv_as_sparc_ua_pcrel, [
|
|
save_CFLAGS="$CFLAGS"
|
|
save_LDFLAGS="$LDFLAGS"
|
|
CFLAGS="$CFLAGS -fpic"
|
|
LDFLAGS="$LDFLAGS -shared"
|
|
AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],,
|
|
[libffi_cv_as_sparc_ua_pcrel=yes],
|
|
[libffi_cv_as_sparc_ua_pcrel=no])
|
|
CFLAGS="$save_CFLAGS"
|
|
LDFLAGS="$save_LDFLAGS"])
|
|
if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then
|
|
AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
|
|
[Define if your assembler and linker support unaligned PC relative relocs.])
|
|
fi
|
|
|
|
AC_CACHE_CHECK([assembler .register pseudo-op support],
|
|
libffi_cv_as_register_pseudo_op, [
|
|
libffi_cv_as_register_pseudo_op=unknown
|
|
# Check if we have .register
|
|
AC_TRY_COMPILE([asm (".register %g2, #scratch");],,
|
|
[libffi_cv_as_register_pseudo_op=yes],
|
|
[libffi_cv_as_register_pseudo_op=no])
|
|
])
|
|
if test "x$libffi_cv_as_register_pseudo_op" = xyes; then
|
|
AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
|
|
[Define if your assembler supports .register.])
|
|
fi
|
|
fi
|
|
|
|
AC_CACHE_CHECK([whether .eh_frame section should be read-only],
|
|
libffi_cv_ro_eh_frame, [
|
|
libffi_cv_ro_eh_frame=no
|
|
echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c
|
|
if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then
|
|
if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then
|
|
libffi_cv_ro_eh_frame=yes
|
|
elif grep '.section.*eh_frame.*#alloc' conftest.c \
|
|
| grep -v '#write' > /dev/null; then
|
|
libffi_cv_ro_eh_frame=yes
|
|
fi
|
|
fi
|
|
rm -f conftest.*
|
|
])
|
|
if test "x$libffi_cv_ro_eh_frame" = xyes; then
|
|
AC_DEFINE(HAVE_RO_EH_FRAME, 1,
|
|
[Define if .eh_frame sections should be read-only.])
|
|
AC_DEFINE(EH_FRAME_FLAGS, "a",
|
|
[Define to the flags needed for the .section .eh_frame directive.])
|
|
else
|
|
AC_DEFINE(EH_FRAME_FLAGS, "aw",
|
|
[Define to the flags needed for the .section .eh_frame directive.])
|
|
fi
|
|
|
|
AC_CACHE_CHECK([for __attribute__((visibility("hidden")))],
|
|
libffi_cv_hidden_visibility_attribute, [
|
|
echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1; }' > conftest.c
|
|
libffi_cv_hidden_visibility_attribute=no
|
|
if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
|
|
if grep '\.hidden.*foo' conftest.s >/dev/null; then
|
|
libffi_cv_hidden_visibility_attribute=yes
|
|
fi
|
|
fi
|
|
rm -f conftest.*
|
|
])
|
|
if test $libffi_cv_hidden_visibility_attribute = yes; then
|
|
AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1,
|
|
[Define if __attribute__((visibility("hidden"))) is supported.])
|
|
fi
|
|
|
|
AH_BOTTOM([
|
|
#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
|
|
#ifdef LIBFFI_ASM
|
|
#define FFI_HIDDEN(name) .hidden name
|
|
#else
|
|
#define FFI_HIDDEN __attribute__ ((visibility ("hidden")))
|
|
#endif
|
|
#else
|
|
#ifdef LIBFFI_ASM
|
|
#define FFI_HIDDEN(name)
|
|
#else
|
|
#define FFI_HIDDEN
|
|
#endif
|
|
#endif
|
|
])
|
|
|
|
AC_SUBST(TARGET)
|
|
AC_SUBST(TARGETDIR)
|
|
|
|
AC_SUBST(SHELL)
|
|
|
|
AC_ARG_ENABLE(debug,
|
|
[ --enable-debug debugging mode],
|
|
if test "$enable_debug" = "yes"; then
|
|
AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.])
|
|
fi)
|
|
|
|
AC_ARG_ENABLE(structs,
|
|
[ --disable-structs omit code for struct support],
|
|
if test "$enable_structs" = "no"; then
|
|
AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this is you do not want support for aggregate types.])
|
|
fi)
|
|
|
|
AC_ARG_ENABLE(raw-api,
|
|
[ --disable-raw-api make the raw api unavailable],
|
|
if test "$enable_raw_api" = "no"; then
|
|
AC_DEFINE(FFI_NO_RAW_API, 1, [Define this is you do not want support for the raw API.])
|
|
fi)
|
|
|
|
AC_ARG_ENABLE(purify-safety,
|
|
[ --enable-purify-safety purify-safe mode],
|
|
if test "$enable_purify_safety" = "yes"; then
|
|
AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.])
|
|
fi)
|
|
|
|
if test -n "$with_cross_host" &&
|
|
test x"$with_cross_host" != x"no"; then
|
|
toolexecdir='$(exec_prefix)/$(target_alias)'
|
|
toolexeclibdir='$(toolexecdir)/lib'
|
|
else
|
|
toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
|
|
toolexeclibdir='$(libdir)'
|
|
fi
|
|
multi_os_directory=`$CC -print-multi-os-directory`
|
|
case $multi_os_directory in
|
|
.) ;; # Avoid trailing /.
|
|
*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
|
|
esac
|
|
AC_SUBST(toolexecdir)
|
|
AC_SUBST(toolexeclibdir)
|
|
|
|
if test "${multilib}" = "yes"; then
|
|
multilib_arg="--enable-multilib"
|
|
else
|
|
multilib_arg=
|
|
fi
|
|
|
|
AC_CONFIG_COMMANDS(include, [test -d include || mkdir include])
|
|
AC_CONFIG_COMMANDS(src, [
|
|
test -d src || mkdir src
|
|
test -d src/$TARGETDIR || mkdir src/$TARGETDIR
|
|
], [TARGETDIR="$TARGETDIR"])
|
|
|
|
AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h)
|
|
|
|
AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile)
|
|
|
|
AC_OUTPUT
|