Makefile.am: Add Linux for S/390 support.

2002-04-29  Gerhard Tonn  <GerhardTonn@swol.de>

	* Makefile.am: Add Linux for S/390 support.
	* Makefile.in: Regenerate.
	* configure.in: Add Linux for S/390 support.
	* configure: Regenerate.
	* include/ffi.h.in: Add Linux for S/390 support.
	* src/s390/ffi.c: New file from libffi CVS tree.
	* src/s390/sysv.S: New file from libffi CVS tree.

From-SVN: r52873
This commit is contained in:
Gerhard Tonn 2002-04-29 04:14:44 +00:00 committed by Bryce McKinlay
parent 3ef3f3845c
commit 22bcf65c52
9 changed files with 867 additions and 71 deletions

View File

@ -1,3 +1,13 @@
2002-04-29 Gerhard Tonn <GerhardTonn@swol.de>
* Makefile.am: Add Linux for S/390 support.
* Makefile.in: Regenerate.
* configure.in: Add Linux for S/390 support.
* configure: Regenerate.
* include/ffi.h.in: Add Linux for S/390 support.
* src/s390/ffi.c: New file from libffi CVS tree.
* src/s390/sysv.S: New file from libffi CVS tree.
2002-04-28 Jakub Jelinek <jakub@redhat.com>
* configure.in (HAVE_AS_SPARC_UA_PCREL): Check for working

View File

@ -15,7 +15,8 @@ EXTRA_DIST = LICENSE ChangeLog.v1 src/mips/ffi.c src/mips/n32.S \
src/powerpc/ffi_darwin.c \
src/powerpc/darwin.S src/powerpc/aix.S \
src/powerpc/darwin_closure.S src/powerpc/aix_closures.S \
src/arm/ffi.c src/arm/sysv.S
src/arm/ffi.c src/arm/sysv.S \
src/s390/ffi.c src/s390/sysv.S
VPATH = @srcdir@:@srcdir@/src:@srcdir@/src/@TARGETDIR@
@ -103,6 +104,7 @@ TARGET_SRC_POWERPC = src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closur
TARGET_SRC_POWERPC_AIX = src/powerpc/ffi_darwin.c src/powerpc/aix.S src/powerpc/aix_closures.S
TARGET_SRC_POWERPC_DARWIN = src/powerpc/ffi_darwin.c src/powerpc/darwin.S src/powerpc/darwin_closure.S
TARGET_SRC_ARM = src/arm/sysv.S src/arm/ffi.c
TARGET_SRC_S390 = src/s390/sysv.S src/s390/ffi.c
##libffi_la_SOURCES = src/debug.c src/prep_cif.c src/types.c $(TARGET_SRC_@TARGET@)
## Work around automake deficiency
@ -156,6 +158,10 @@ if ARM
libffi_la_SOURCES = $(libffi_la_common_SOURCES) $(TARGET_SRC_ARM)
libffi_convenience_la_SOURCES = $(libffi_la_common_SOURCES) $(TARGET_SRC_ARM)
endif
if S390
libffi_la_SOURCES = $(libffi_la_common_SOURCES) $(TARGET_SRC_S390)
libffi_convenience_la_SOURCES = $(libffi_la_common_SOURCES) $(TARGET_SRC_S390)
endif
AM_CFLAGS = -fexceptions

View File

@ -96,7 +96,8 @@ EXTRA_DIST = LICENSE ChangeLog.v1 src/mips/ffi.c src/mips/n32.S \
src/powerpc/ffi_darwin.c \
src/powerpc/darwin.S src/powerpc/aix.S \
src/powerpc/darwin_closure.S src/powerpc/aix_closures.S \
src/arm/ffi.c src/arm/sysv.S
src/arm/ffi.c src/arm/sysv.S \
src/s390/ffi.c src/s390/sysv.S
VPATH = @srcdir@:@srcdir@/src:@srcdir@/src/@TARGETDIR@
@ -174,6 +175,7 @@ TARGET_SRC_POWERPC = src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closur
TARGET_SRC_POWERPC_AIX = src/powerpc/ffi_darwin.c src/powerpc/aix.S src/powerpc/aix_closures.S
TARGET_SRC_POWERPC_DARWIN = src/powerpc/ffi_darwin.c src/powerpc/darwin.S src/powerpc/darwin_closure.S
TARGET_SRC_ARM = src/arm/sysv.S src/arm/ffi.c
TARGET_SRC_S390 = src/s390/sysv.S src/s390/ffi.c
libffi_la_common_SOURCES = src/debug.c src/prep_cif.c src/types.c \
src/raw_api.c src/java_raw_api.c
@ -190,6 +192,7 @@ libffi_la_common_SOURCES = src/debug.c src/prep_cif.c src/types.c \
@POWERPC_AIX_TRUE@libffi_la_SOURCES = @POWERPC_AIX_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_POWERPC_AIX)
@POWERPC_DARWIN_TRUE@libffi_la_SOURCES = @POWERPC_DARWIN_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_POWERPC_DARWIN)
@ARM_TRUE@libffi_la_SOURCES = @ARM_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_ARM)
@S390_TRUE@libffi_la_SOURCES = @S390_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_S390)
@MIPS_GCC_TRUE@libffi_convenience_la_SOURCES = @MIPS_GCC_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_MIPS_GCC)
@MIPS_SGI_TRUE@libffi_convenience_la_SOURCES = @MIPS_SGI_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_MIPS_SGI)
@X86_TRUE@libffi_convenience_la_SOURCES = @X86_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_X86)
@ -202,6 +205,7 @@ libffi_la_common_SOURCES = src/debug.c src/prep_cif.c src/types.c \
@POWERPC_AIX_TRUE@libffi_convenience_la_SOURCES = @POWERPC_AIX_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_POWERPC_AIX)
@POWERPC_DARWIN_TRUE@libffi_convenience_la_SOURCES = @POWERPC_DARWIN_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_POWERPC_DARWIN)
@ARM_TRUE@libffi_convenience_la_SOURCES = @ARM_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_ARM)
@S390_TRUE@libffi_convenience_la_SOURCES = @S390_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_S390)
AM_CFLAGS = -fexceptions
@ -244,6 +248,9 @@ libffi_convenience_la_LIBADD =
@MIPS_SGI_TRUE@src/prep_cif.lo src/types.lo src/raw_api.lo \
@MIPS_SGI_TRUE@src/java_raw_api.lo src/mips/ffi.lo src/mips/o32.lo \
@MIPS_SGI_TRUE@src/mips/n32.lo
@S390_TRUE@libffi_convenience_la_OBJECTS = src/debug.lo src/prep_cif.lo \
@S390_TRUE@src/types.lo src/raw_api.lo src/java_raw_api.lo \
@S390_TRUE@src/s390/sysv.lo src/s390/ffi.lo
@X86_TRUE@libffi_convenience_la_OBJECTS = src/debug.lo src/prep_cif.lo \
@X86_TRUE@src/types.lo src/raw_api.lo src/java_raw_api.lo \
@X86_TRUE@src/x86/ffi.lo src/x86/sysv.lo
@ -285,6 +292,9 @@ libffi_la_LIBADD =
@MIPS_SGI_TRUE@libffi_la_OBJECTS = src/debug.lo src/prep_cif.lo \
@MIPS_SGI_TRUE@src/types.lo src/raw_api.lo src/java_raw_api.lo \
@MIPS_SGI_TRUE@src/mips/ffi.lo src/mips/o32.lo src/mips/n32.lo
@S390_TRUE@libffi_la_OBJECTS = src/debug.lo src/prep_cif.lo \
@S390_TRUE@src/types.lo src/raw_api.lo src/java_raw_api.lo \
@S390_TRUE@src/s390/sysv.lo src/s390/ffi.lo
@X86_TRUE@libffi_la_OBJECTS = src/debug.lo src/prep_cif.lo src/types.lo \
@X86_TRUE@src/raw_api.lo src/java_raw_api.lo src/x86/ffi.lo \
@X86_TRUE@src/x86/sysv.lo
@ -579,8 +589,8 @@ distdir: $(DISTFILES)
-chmod 777 $(distdir)
$(mkinstalldirs) $(distdir)/src/alpha $(distdir)/src/arm \
$(distdir)/src/m68k $(distdir)/src/mips \
$(distdir)/src/powerpc $(distdir)/src/sparc \
$(distdir)/src/x86
$(distdir)/src/powerpc $(distdir)/src/s390 \
$(distdir)/src/sparc $(distdir)/src/x86
@for file in $(DISTFILES); do \
if test -f $$file; then d=.; else d=$(srcdir); fi; \
if test -d $$d/$$file; then \

144
libffi/configure vendored
View File

@ -2386,6 +2386,7 @@ powerpc-*-darwin*) TARGET=POWERPC_DARWIN; TARGETDIR=powerpc;;
powerpc-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
rs6000-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
arm*-*-linux-*) TARGET=ARM; TARGETDIR=arm;;
s390-*-linux-*) TARGET=S390; TARGETDIR=s390;;
esac
if test $TARGETDIR = unknown; then
@ -2501,8 +2502,17 @@ else
ARM_FALSE=
fi
if test x$TARGET = xS390; then
S390_TRUE=
S390_FALSE='#'
else
S390_TRUE='#'
S390_FALSE=
fi
echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
echo "configure:2506: checking how to run the C preprocessor" >&5
echo "configure:2516: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
CPP=
@ -2517,13 +2527,13 @@ else
# On the NeXT, cc -E runs the code through the compiler's parser,
# not just through cpp.
cat > conftest.$ac_ext <<EOF
#line 2521 "configure"
#line 2531 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2527: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:2537: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@ -2534,13 +2544,13 @@ else
rm -rf conftest*
CPP="${CC-cc} -E -traditional-cpp"
cat > conftest.$ac_ext <<EOF
#line 2538 "configure"
#line 2548 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2544: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:2554: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@ -2551,13 +2561,13 @@ else
rm -rf conftest*
CPP="${CC-cc} -nologo -E"
cat > conftest.$ac_ext <<EOF
#line 2555 "configure"
#line 2565 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2561: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:2571: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@ -2582,12 +2592,12 @@ fi
echo "$ac_t""$CPP" 1>&6
echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
echo "configure:2586: checking for ANSI C header files" >&5
echo "configure:2596: checking for ANSI C header files" >&5
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 2591 "configure"
#line 2601 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
@ -2595,7 +2605,7 @@ else
#include <float.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2599: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:2609: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@ -2612,7 +2622,7 @@ rm -f conftest*
if test $ac_cv_header_stdc = yes; then
# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 2616 "configure"
#line 2626 "configure"
#include "confdefs.h"
#include <string.h>
EOF
@ -2630,7 +2640,7 @@ fi
if test $ac_cv_header_stdc = yes; then
# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 2634 "configure"
#line 2644 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
@ -2651,7 +2661,7 @@ if test "$cross_compiling" = yes; then
:
else
cat > conftest.$ac_ext <<EOF
#line 2655 "configure"
#line 2665 "configure"
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@ -2662,7 +2672,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }
EOF
if { (eval echo configure:2666: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:2676: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
:
else
@ -2688,12 +2698,12 @@ fi
for ac_func in memcpy
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:2692: checking for $ac_func" >&5
echo "configure:2702: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 2697 "configure"
#line 2707 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@ -2716,7 +2726,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:2720: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:2730: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@ -2743,19 +2753,19 @@ done
# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
# for constant arguments. Useless!
echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
echo "configure:2747: checking for working alloca.h" >&5
echo "configure:2757: checking for working alloca.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 2752 "configure"
#line 2762 "configure"
#include "confdefs.h"
#include <alloca.h>
int main() {
char *p = alloca(2 * sizeof(int));
; return 0; }
EOF
if { (eval echo configure:2759: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:2769: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_cv_header_alloca_h=yes
else
@ -2776,12 +2786,12 @@ EOF
fi
echo $ac_n "checking for alloca""... $ac_c" 1>&6
echo "configure:2780: checking for alloca" >&5
echo "configure:2790: checking for alloca" >&5
if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 2785 "configure"
#line 2795 "configure"
#include "confdefs.h"
#ifdef __GNUC__
@ -2809,7 +2819,7 @@ int main() {
char *p = (char *) alloca(1);
; return 0; }
EOF
if { (eval echo configure:2813: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:2823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_cv_func_alloca_works=yes
else
@ -2841,12 +2851,12 @@ EOF
echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
echo "configure:2845: checking whether alloca needs Cray hooks" >&5
echo "configure:2855: checking whether alloca needs Cray hooks" >&5
if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 2850 "configure"
#line 2860 "configure"
#include "confdefs.h"
#if defined(CRAY) && ! defined(CRAY2)
webecray
@ -2871,12 +2881,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
if test $ac_cv_os_cray = yes; then
for ac_func in _getb67 GETB67 getb67; do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:2875: checking for $ac_func" >&5
echo "configure:2885: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 2880 "configure"
#line 2890 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@ -2899,7 +2909,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:2903: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:2913: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@ -2926,7 +2936,7 @@ done
fi
echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
echo "configure:2930: checking stack direction for C alloca" >&5
echo "configure:2940: checking stack direction for C alloca" >&5
if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2934,7 +2944,7 @@ else
ac_cv_c_stack_direction=0
else
cat > conftest.$ac_ext <<EOF
#line 2938 "configure"
#line 2948 "configure"
#include "confdefs.h"
find_stack_direction ()
{
@ -2953,7 +2963,7 @@ main ()
exit (find_stack_direction() < 0);
}
EOF
if { (eval echo configure:2957: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:2967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_c_stack_direction=1
else
@ -2976,13 +2986,13 @@ fi
echo $ac_n "checking size of short""... $ac_c" 1>&6
echo "configure:2980: checking size of short" >&5
echo "configure:2990: checking size of short" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
for ac_size in 4 8 1 2 16 12 ; do # List sizes in rough order of prevalence.
cat > conftest.$ac_ext <<EOF
#line 2986 "configure"
#line 2996 "configure"
#include "confdefs.h"
#include "confdefs.h"
#include <sys/types.h>
@ -2992,7 +3002,7 @@ int main() {
switch (0) case 0: case (sizeof (short) == $ac_size):;
; return 0; }
EOF
if { (eval echo configure:2996: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3006: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_sizeof_short=$ac_size
else
@ -3015,13 +3025,13 @@ EOF
echo $ac_n "checking size of int""... $ac_c" 1>&6
echo "configure:3019: checking size of int" >&5
echo "configure:3029: checking size of int" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
for ac_size in 4 8 1 2 16 12 ; do # List sizes in rough order of prevalence.
cat > conftest.$ac_ext <<EOF
#line 3025 "configure"
#line 3035 "configure"
#include "confdefs.h"
#include "confdefs.h"
#include <sys/types.h>
@ -3031,7 +3041,7 @@ int main() {
switch (0) case 0: case (sizeof (int) == $ac_size):;
; return 0; }
EOF
if { (eval echo configure:3035: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3045: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_sizeof_int=$ac_size
else
@ -3054,13 +3064,13 @@ EOF
echo $ac_n "checking size of long""... $ac_c" 1>&6
echo "configure:3058: checking size of long" >&5
echo "configure:3068: checking size of long" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
for ac_size in 4 8 1 2 16 12 ; do # List sizes in rough order of prevalence.
cat > conftest.$ac_ext <<EOF
#line 3064 "configure"
#line 3074 "configure"
#include "confdefs.h"
#include "confdefs.h"
#include <sys/types.h>
@ -3070,7 +3080,7 @@ int main() {
switch (0) case 0: case (sizeof (long) == $ac_size):;
; return 0; }
EOF
if { (eval echo configure:3074: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3084: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_sizeof_long=$ac_size
else
@ -3093,13 +3103,13 @@ EOF
echo $ac_n "checking size of long long""... $ac_c" 1>&6
echo "configure:3097: checking size of long long" >&5
echo "configure:3107: checking size of long long" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
for ac_size in 4 8 1 2 16 12 ; do # List sizes in rough order of prevalence.
cat > conftest.$ac_ext <<EOF
#line 3103 "configure"
#line 3113 "configure"
#include "confdefs.h"
#include "confdefs.h"
#include <sys/types.h>
@ -3109,7 +3119,7 @@ int main() {
switch (0) case 0: case (sizeof (long long) == $ac_size):;
; return 0; }
EOF
if { (eval echo configure:3113: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3123: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_sizeof_long_long=$ac_size
else
@ -3132,13 +3142,13 @@ EOF
echo $ac_n "checking size of float""... $ac_c" 1>&6
echo "configure:3136: checking size of float" >&5
echo "configure:3146: checking size of float" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_float'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
for ac_size in 4 8 1 2 16 12 ; do # List sizes in rough order of prevalence.
cat > conftest.$ac_ext <<EOF
#line 3142 "configure"
#line 3152 "configure"
#include "confdefs.h"
#include "confdefs.h"
#include <sys/types.h>
@ -3148,7 +3158,7 @@ int main() {
switch (0) case 0: case (sizeof (float) == $ac_size):;
; return 0; }
EOF
if { (eval echo configure:3152: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3162: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_sizeof_float=$ac_size
else
@ -3171,13 +3181,13 @@ EOF
echo $ac_n "checking size of double""... $ac_c" 1>&6
echo "configure:3175: checking size of double" >&5
echo "configure:3185: checking size of double" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_double'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
for ac_size in 4 8 1 2 16 12 ; do # List sizes in rough order of prevalence.
cat > conftest.$ac_ext <<EOF
#line 3181 "configure"
#line 3191 "configure"
#include "confdefs.h"
#include "confdefs.h"
#include <sys/types.h>
@ -3187,7 +3197,7 @@ int main() {
switch (0) case 0: case (sizeof (double) == $ac_size):;
; return 0; }
EOF
if { (eval echo configure:3191: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3201: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_sizeof_double=$ac_size
else
@ -3210,13 +3220,13 @@ EOF
echo $ac_n "checking size of long double""... $ac_c" 1>&6
echo "configure:3214: checking size of long double" >&5
echo "configure:3224: checking size of long double" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_long_double'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
for ac_size in 4 8 1 2 16 12 ; do # List sizes in rough order of prevalence.
cat > conftest.$ac_ext <<EOF
#line 3220 "configure"
#line 3230 "configure"
#include "confdefs.h"
#include "confdefs.h"
#include <sys/types.h>
@ -3226,7 +3236,7 @@ int main() {
switch (0) case 0: case (sizeof (long double) == $ac_size):;
; return 0; }
EOF
if { (eval echo configure:3230: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3240: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_sizeof_long_double=$ac_size
else
@ -3250,13 +3260,13 @@ EOF
echo $ac_n "checking size of void *""... $ac_c" 1>&6
echo "configure:3254: checking size of void *" >&5
echo "configure:3264: checking size of void *" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_void_p'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
for ac_size in 4 8 1 2 16 12 ; do # List sizes in rough order of prevalence.
cat > conftest.$ac_ext <<EOF
#line 3260 "configure"
#line 3270 "configure"
#include "confdefs.h"
#include "confdefs.h"
#include <sys/types.h>
@ -3266,7 +3276,7 @@ int main() {
switch (0) case 0: case (sizeof (void *) == $ac_size):;
; return 0; }
EOF
if { (eval echo configure:3270: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3280: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_sizeof_void_p=$ac_size
else
@ -3289,14 +3299,14 @@ EOF
echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
echo "configure:3293: checking whether byte ordering is bigendian" >&5
echo "configure:3303: checking whether byte ordering is bigendian" >&5
if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_cv_c_bigendian=unknown
# See if sys/param.h defines the BYTE_ORDER macro.
cat > conftest.$ac_ext <<EOF
#line 3300 "configure"
#line 3310 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/param.h>
@ -3307,11 +3317,11 @@ int main() {
#endif
; return 0; }
EOF
if { (eval echo configure:3311: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3321: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
# It does; now see whether it defined to BIG_ENDIAN or not.
cat > conftest.$ac_ext <<EOF
#line 3315 "configure"
#line 3325 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/param.h>
@ -3322,7 +3332,7 @@ int main() {
#endif
; return 0; }
EOF
if { (eval echo configure:3326: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3336: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_c_bigendian=yes
else
@ -3342,7 +3352,7 @@ if test "$cross_compiling" = yes; then
echo $ac_n "cross-compiling... " 2>&6
else
cat > conftest.$ac_ext <<EOF
#line 3346 "configure"
#line 3356 "configure"
#include "confdefs.h"
main () {
/* Are we little or big endian? From Harbison&Steele. */
@ -3355,7 +3365,7 @@ main () {
exit (u.c[sizeof (long) - 1] == 1);
}
EOF
if { (eval echo configure:3359: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:3369: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_c_bigendian=no
else
@ -3373,7 +3383,7 @@ fi
echo "$ac_t""$ac_cv_c_bigendian" 1>&6
if test $ac_cv_c_bigendian = unknown; then
echo $ac_n "checking to probe for byte ordering""... $ac_c" 1>&6
echo "configure:3377: checking to probe for byte ordering" >&5
echo "configure:3387: checking to probe for byte ordering" >&5
cat >conftest.c <<EOF
short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
@ -3423,7 +3433,7 @@ fi
if test x$TARGET == xSPARC; then
echo $ac_n "checking assembler and linker support unaligned pc related relocs""... $ac_c" 1>&6
echo "configure:3426: checking assembler and linker support unaligned pc related relocs" >&5
echo "configure:3437: checking assembler and linker support unaligned pc related relocs" >&5
if eval "test \"`echo '$''{'libffi_cv_as_sparc_ua_pcrel'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -3433,14 +3443,14 @@ else
CFLAGS="$CFLAGS -fpic"
LDFLAGS="$LDFLAGS -shared"
cat > conftest.$ac_ext <<EOF
#line 3436 "configure"
#line 3447 "configure"
#include "confdefs.h"
asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");
int main() {
; return 0; }
EOF
if { (eval echo configure:3442: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3454: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
libffi_cv_as_sparc_ua_pcrel=yes
else
@ -3721,6 +3731,8 @@ s%@POWERPC_DARWIN_TRUE@%$POWERPC_DARWIN_TRUE%g
s%@POWERPC_DARWIN_FALSE@%$POWERPC_DARWIN_FALSE%g
s%@ARM_TRUE@%$ARM_TRUE%g
s%@ARM_FALSE@%$ARM_FALSE%g
s%@S390_TRUE@%$S390_TRUE%g
s%@S390_FALSE@%$S390_FALSE%g
s%@CPP@%$CPP%g
s%@ALLOCA@%$ALLOCA%g
s%@TARGET@%$TARGET%g

View File

@ -61,6 +61,7 @@ powerpc-*-darwin*) TARGET=POWERPC_DARWIN; TARGETDIR=powerpc;;
powerpc-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
rs6000-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
arm*-*-linux-*) TARGET=ARM; TARGETDIR=arm;;
s390-*-linux-*) TARGET=S390; TARGETDIR=s390;;
esac
if test $TARGETDIR = unknown; then
@ -79,6 +80,7 @@ AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX)
AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN)
AM_CONDITIONAL(ARM, test x$TARGET = xARM)
AM_CONDITIONAL(S390, test x$TARGET = xS390)
AC_HEADER_STDC
AC_CHECK_FUNCS(memcpy)

View File

@ -99,7 +99,7 @@ DIST_COMMON = Makefile.am Makefile.in ffi.h.in
DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
TAR = gnutar
TAR = gtar
GZIP_ENV = --best
all: all-redirect
.SUFFIXES:

View File

@ -251,6 +251,12 @@ typedef enum ffi_abi {
FFI_DEFAULT_ABI = FFI_SYSV,
#endif
/* ---- S390 --------------------- */
#ifdef S390
FFI_SYSV,
FFI_DEFAULT_ABI = FFI_SYSV,
#endif
/* Leave this for debugging purposes */
FFI_LAST_ABI

589
libffi/src/s390/ffi.c Normal file
View File

@ -0,0 +1,589 @@
/* -----------------------------------------------------------------------
ffi.c - Copyright (c) 2000 Software AG
S390 Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
/*====================================================================*/
/* Includes */
/* -------- */
/*====================================================================*/
#include <ffi.h>
#include <ffi_common.h>
#include <stdlib.h>
#include <stdio.h>
/*====================== End of Includes =============================*/
/*====================================================================*/
/* Defines */
/* ------- */
/*====================================================================*/
#define MAX_GPRARGS 5 /* Max. no. of GPR available */
#define MAX_FPRARGS 2 /* Max. no. of FPR available */
#define STR_GPR 1 /* Structure will fit in 1 or 2 GPR */
#define STR_FPR 2 /* Structure will fit in a FPR */
#define STR_STACK 3 /* Structure needs to go on stack */
/*===================== End of Defines ===============================*/
/*====================================================================*/
/* Types */
/* ----- */
/*====================================================================*/
typedef struct stackLayout
{
int *backChain;
int *endOfStack;
int glue[2];
int scratch[2];
int gprArgs[MAX_GPRARGS];
int notUsed;
union
{
float f;
double d;
} fprArgs[MAX_FPRARGS];
int unUsed[8];
int outArgs[100];
} stackLayout;
/*======================== End of Types ==============================*/
/*====================================================================*/
/* Prototypes */
/* ---------- */
/*====================================================================*/
void ffi_prep_args(stackLayout *, extended_cif *);
static int ffi_check_struct(ffi_type *, unsigned int *);
static void ffi_insert_int(int, stackLayout *, int *, int *);
static void ffi_insert_int64(long long, stackLayout *, int *, int *);
static void ffi_insert_double(double, stackLayout *, int *, int *);
/*====================== End of Prototypes ===========================*/
/*====================================================================*/
/* Externals */
/* --------- */
/*====================================================================*/
extern void ffi_call_SYSV(void (*)(stackLayout *, extended_cif *),
extended_cif *,
unsigned, unsigned,
unsigned *,
void (*fn)());
/*====================== End of Externals ============================*/
/*====================================================================*/
/* */
/* Name - ffi_check_struct. */
/* */
/* Function - Determine if a structure can be passed within a */
/* general or floating point register. */
/* */
/*====================================================================*/
int
ffi_check_struct(ffi_type *arg, unsigned int *strFlags)
{
ffi_type *element;
int i_Element;
for (i_Element = 0; arg->elements[i_Element]; i_Element++) {
element = arg->elements[i_Element];
switch (element->type) {
case FFI_TYPE_DOUBLE :
*strFlags |= STR_FPR;
break;
case FFI_TYPE_STRUCT :
*strFlags |= ffi_check_struct(element, strFlags);
break;
default :
*strFlags |= STR_GPR;
}
}
return (*strFlags);
}
/*======================== End of Routine ============================*/
/*====================================================================*/
/* */
/* Name - ffi_insert_int. */
/* */
/* Function - Insert an integer parameter in a register if there are */
/* spares else on the stack. */
/* */
/*====================================================================*/
void
ffi_insert_int(int gprValue, stackLayout *stack,
int *intArgC, int *outArgC)
{
if (*intArgC < MAX_GPRARGS) {
stack->gprArgs[*intArgC] = gprValue;
*intArgC += 1;
}
else {
stack->outArgs[*outArgC++] = gprValue;
*outArgC += 1;
}
}
/*======================== End of Routine ============================*/
/*====================================================================*/
/* */
/* Name - ffi_insert_int64. */
/* */
/* Function - Insert a long long parameter in registers if there are */
/* spares else on the stack. */
/* */
/*====================================================================*/
void
ffi_insert_int64(long long llngValue, stackLayout *stack,
int *intArgC, int *outArgC)
{
if (*intArgC < (MAX_GPRARGS-1)) {
memcpy(&stack->gprArgs[*intArgC],
&llngValue, sizeof(long long));
*intArgC += 2;
}
else {
memcpy(&stack->outArgs[*outArgC],
&llngValue, sizeof(long long));
*outArgC += 2;
}
}
/*======================== End of Routine ============================*/
/*====================================================================*/
/* */
/* Name - ffi_insert_double. */
/* */
/* Function - Insert a double parameter in a FP register if there is */
/* a spare else on the stack. */
/* */
/*====================================================================*/
void
ffi_insert_double(double dblValue, stackLayout *stack,
int *fprArgC, int *outArgC)
{
if (*fprArgC < MAX_FPRARGS) {
stack->fprArgs[*fprArgC].d = dblValue;
*fprArgC += 1;
}
else {
memcpy(&stack->outArgs[*outArgC],
&dblValue,sizeof(double));
*outArgC += 2;
}
}
/*======================== End of Routine ============================*/
/*====================================================================*/
/* */
/* Name - ffi_prep_args. */
/* */
/* Function - Prepare parameters for call to function. */
/* */
/* ffi_prep_args is called by the assembly routine once stack space */
/* has been allocated for the function's arguments. */
/* */
/* The stack layout we want looks like this: */
/* *------------------------------------------------------------* */
/* | 0 | Back chain (a 0 here signifies end of back chain) | */
/* +--------+---------------------------------------------------+ */
/* | 4 | EOS (end of stack, not used on Linux for S390) | */
/* +--------+---------------------------------------------------+ */
/* | 8 | Glue used in other linkage formats | */
/* +--------+---------------------------------------------------+ */
/* | 12 | Glue used in other linkage formats | */
/* +--------+---------------------------------------------------+ */
/* | 16 | Scratch area | */
/* +--------+---------------------------------------------------+ */
/* | 20 | Scratch area | */
/* +--------+---------------------------------------------------+ */
/* | 24 | GPR parameter register 1 | */
/* +--------+---------------------------------------------------+ */
/* | 28 | GPR parameter register 2 | */
/* +--------+---------------------------------------------------+ */
/* | 32 | GPR parameter register 3 | */
/* +--------+---------------------------------------------------+ */
/* | 36 | GPR parameter register 4 | */
/* +--------+---------------------------------------------------+ */
/* | 40 | GPR parameter register 5 | */
/* +--------+---------------------------------------------------+ */
/* | 44 | Unused | */
/* +--------+---------------------------------------------------+ */
/* | 48 | FPR parameter register 1 | */
/* +--------+---------------------------------------------------+ */
/* | 56 | FPR parameter register 2 | */
/* +--------+---------------------------------------------------+ */
/* | 64 | Unused | */
/* +--------+---------------------------------------------------+ */
/* | 96 | Outgoing args (length x) | */
/* +--------+---------------------------------------------------+ */
/* | 96+x | Copy area for structures (length y) | */
/* +--------+---------------------------------------------------+ */
/* | 96+x+y | Possible stack alignment | */
/* *------------------------------------------------------------* */
/* */
/*====================================================================*/
void
ffi_prep_args(stackLayout *stack, extended_cif *ecif)
{
const unsigned bytes = ecif->cif->bytes;
const unsigned flags = ecif->cif->flags;
/*----------------------------------------------------------*/
/* Pointer to the copy area on stack for structures */
/*----------------------------------------------------------*/
char *copySpace = (char *) stack + bytes + sizeof(stackLayout);
/*----------------------------------------------------------*/
/* Count of general and floating point register usage */
/*----------------------------------------------------------*/
int intArgC = 0,
fprArgC = 0,
outArgC = 0;
int i;
ffi_type **ptr;
void **p_argv;
size_t structCopySize;
unsigned gprValue, strFlags = 0;
unsigned long long llngValue;
double dblValue;
/* Now for the arguments. */
p_argv = ecif->avalue;
/*----------------------------------------------------------------------*/
/* If we returning a structure then we set the first parameter register */
/* to the address of where we are returning this structure */
/*----------------------------------------------------------------------*/
if (flags == FFI_TYPE_STRUCT)
stack->gprArgs[intArgC++] = (int) ecif->rvalue;
for (ptr = ecif->cif->arg_types, i = ecif->cif->nargs;
i > 0;
i--, ptr++, p_argv++)
{
switch ((*ptr)->type) {
case FFI_TYPE_FLOAT:
if (fprArgC < MAX_FPRARGS)
stack->fprArgs[fprArgC++].f = *(float *) *p_argv;
else
stack->outArgs[outArgC++] = *(int *) *p_argv;
break;
case FFI_TYPE_DOUBLE:
dblValue = *(double *) *p_argv;
ffi_insert_double(dblValue, stack, &fprArgC, &outArgC);
break;
case FFI_TYPE_UINT64:
case FFI_TYPE_SINT64:
llngValue = *(unsigned long long *) *p_argv;
ffi_insert_int64(llngValue, stack, &intArgC, &outArgC);
break;
case FFI_TYPE_UINT8:
gprValue = *(unsigned char *)*p_argv;
ffi_insert_int(gprValue, stack, &intArgC, &outArgC);
break;
case FFI_TYPE_SINT8:
gprValue = *(signed char *)*p_argv;
ffi_insert_int(gprValue, stack, &intArgC, &outArgC);
break;
case FFI_TYPE_UINT16:
gprValue = *(unsigned short *)*p_argv;
ffi_insert_int(gprValue, stack, &intArgC, &outArgC);
break;
case FFI_TYPE_SINT16:
gprValue = *(signed short *)*p_argv;
ffi_insert_int(gprValue, stack, &intArgC, &outArgC);
break;
case FFI_TYPE_STRUCT:
/*--------------------------------------------------*/
/* If structure > 8 bytes then it goes on the stack */
/*--------------------------------------------------*/
if (((*ptr)->size > 8) ||
((*ptr)->size > 4 &&
(*ptr)->size < 8))
strFlags = STR_STACK;
else
strFlags = ffi_check_struct((ffi_type *) *ptr, &strFlags);
switch (strFlags) {
/*-------------------------------------------*/
/* Structure that will fit in one or two GPR */
/*-------------------------------------------*/
case STR_GPR :
if ((*ptr)->size <= 4) {
gprValue = *(unsigned int *) *p_argv;
gprValue = gprValue >> ((4 - (*ptr)->size) * 8);
ffi_insert_int(gprValue, stack, &intArgC, &outArgC);
}
else {
llngValue = *(unsigned long long *) *p_argv;
ffi_insert_int64(llngValue, stack, &intArgC, &outArgC);
}
break;
/*-------------------------------------------*/
/* Structure that will fit in one FPR */
/*-------------------------------------------*/
case STR_FPR :
dblValue = *(double *) *p_argv;
ffi_insert_double(dblValue, stack, &fprArgC, &outArgC);
break;
/*-------------------------------------------*/
/* Structure that must be copied to stack */
/*-------------------------------------------*/
default :
structCopySize = (((*ptr)->size + 15) & ~0xF);
copySpace -= structCopySize;
memcpy(copySpace, (char *)*p_argv, (*ptr)->size);
gprValue = (unsigned) copySpace;
if (intArgC < MAX_GPRARGS)
stack->gprArgs[intArgC++] = gprValue;
else
stack->outArgs[outArgC++] = gprValue;
}
break;
#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
case FFI_TYPE_LONGDOUBLE:
structCopySize = (((*ptr)->size + 15) & ~0xF);
copySpace -= structCopySize;
memcpy(copySpace, (char *)*p_argv, (*ptr)->size);
gprValue = (unsigned) copySpace;
if (intArgC < MAX_GPRARGS)
stack->gprArgs[intArgC++] = gprValue;
else
stack->outArgs[outArgC++] = gprValue;
break;
#endif
case FFI_TYPE_INT:
case FFI_TYPE_UINT32:
case FFI_TYPE_SINT32:
case FFI_TYPE_POINTER:
gprValue = *(unsigned *)*p_argv;
if (intArgC < MAX_GPRARGS)
stack->gprArgs[intArgC++] = gprValue;
else
stack->outArgs[outArgC++] = gprValue;
break;
}
}
}
/*======================== End of Routine ============================*/
/*====================================================================*/
/* */
/* Name - ffi_prep_cif_machdep. */
/* */
/* Function - Perform machine dependent CIF processing. */
/* */
/*====================================================================*/
ffi_status
ffi_prep_cif_machdep(ffi_cif *cif)
{
int i;
ffi_type **ptr;
unsigned bytes;
int fpArgC = 0,
intArgC = 0;
unsigned flags = 0;
unsigned structCopySize = 0;
/*-----------------------------------------------------------------*/
/* Extra space required in stack for overflow parameters. */
/*-----------------------------------------------------------------*/
bytes = 0;
/*--------------------------------------------------------*/
/* Return value handling. The rules are as follows: */
/* - 32-bit (or less) integer values are returned in gpr2 */
/* - Structures are returned as pointers in gpr2 */
/* - 64-bit integer values are returned in gpr2 and 3 */
/* - Single/double FP values are returned in fpr0 */
/*--------------------------------------------------------*/
flags = cif->rtype->type;
/*------------------------------------------------------------------------*/
/* The first MAX_GPRARGS words of integer arguments, and the */
/* first MAX_FPRARGS floating point arguments, go in registers; the rest */
/* goes on the stack. Structures and long doubles (if not equivalent */
/* to double) are passed as a pointer to a copy of the structure. */
/* Stuff on the stack needs to keep proper alignment. */
/*------------------------------------------------------------------------*/
for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++)
{
switch ((*ptr)->type)
{
case FFI_TYPE_FLOAT:
case FFI_TYPE_DOUBLE:
fpArgC++;
if (fpArgC > MAX_FPRARGS && intArgC%2 != 0)
intArgC++;
break;
case FFI_TYPE_UINT64:
case FFI_TYPE_SINT64:
/*----------------------------------------------------*/
/* 'long long' arguments are passed as two words, but */
/* either both words must fit in registers or both go */
/* on the stack. If they go on the stack, they must */
/* be 8-byte-aligned. */
/*----------------------------------------------------*/
if ((intArgC == MAX_GPRARGS-1) ||
(intArgC >= MAX_GPRARGS) &&
(intArgC%2 != 0))
intArgC++;
intArgC += 2;
break;
case FFI_TYPE_STRUCT:
#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
case FFI_TYPE_LONGDOUBLE:
#endif
/*----------------------------------------------------*/
/* We must allocate space for a copy of these to */
/* enforce pass-by-value. Pad the space up to a */
/* multiple of 16 bytes (the maximum alignment */
/* required for anything under the SYSV ABI). */
/*----------------------------------------------------*/
structCopySize += ((*ptr)->size + 15) & ~0xF;
/*----------------------------------------------------*/
/* Fall through (allocate space for the pointer). */
/*----------------------------------------------------*/
default:
/*----------------------------------------------------*/
/* Everything else is passed as a 4-byte word in a */
/* GPR either the object itself or a pointer to it. */
/*----------------------------------------------------*/
intArgC++;
break;
}
}
/*-----------------------------------------------------------------*/
/* Stack space. */
/*-----------------------------------------------------------------*/
if (intArgC > MAX_GPRARGS)
bytes += (intArgC - MAX_GPRARGS) * sizeof(int);
if (fpArgC > MAX_FPRARGS)
bytes += (fpArgC - MAX_FPRARGS) * sizeof(double);
/*-----------------------------------------------------------------*/
/* The stack space allocated needs to be a multiple of 16 bytes. */
/*-----------------------------------------------------------------*/
bytes = (bytes + 15) & ~0xF;
/*-----------------------------------------------------------------*/
/* Add in the space for the copied structures. */
/*-----------------------------------------------------------------*/
bytes += structCopySize;
cif->flags = flags;
cif->bytes = bytes;
return FFI_OK;
}
/*======================== End of Routine ============================*/
/*====================================================================*/
/* */
/* Name - ffi_call. */
/* */
/* Function - Call the FFI routine. */
/* */
/*====================================================================*/
void
ffi_call(ffi_cif *cif,
void (*fn)(),
void *rvalue,
void **avalue)
{
extended_cif ecif;
ecif.cif = cif;
ecif.avalue = avalue;
/*-----------------------------------------------------------------*/
/* If the return value is a struct and we don't have a return */
/* value address then we need to make one */
/*-----------------------------------------------------------------*/
if ((rvalue == NULL) &&
(cif->rtype->type == FFI_TYPE_STRUCT))
ecif.rvalue = alloca(cif->rtype->size);
else
ecif.rvalue = rvalue;
switch (cif->abi)
{
case FFI_SYSV:
ffi_call_SYSV(ffi_prep_args,
&ecif, cif->bytes,
cif->flags, ecif.rvalue, fn);
break;
default:
FFI_ASSERT(0);
break;
}
}
/*======================== End of Routine ============================*/

161
libffi/src/s390/sysv.S Normal file
View File

@ -0,0 +1,161 @@
/* -----------------------------------------------------------------------
sysv.S - Copyright (c) 2000 Software AG
S390 Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#define LIBFFI_ASM
#include <ffi.h>
#ifdef HAVE_MACHINE_ASM_H
#include <machine/asm.h>
#endif
.text
# r2: ffi_prep_args
# r3: &ecif
# r4: cif->bytes
# r5: fig->flags
# r6: ecif.rvalue
# sp+0: fn
# This assumes we are using gas.
.globl ffi_call_SYSV
.type ffi_call_SYSV,%function
ffi_call_SYSV:
# Save registers
stm %r7,%r15,28(%r15)
l %r7,96(%r15) # Get A(fn)
lr %r0,%r15
ahi %r15,-128 # Make room for my args
st %r0,0(%r15) # Set backchain
lr %r11,%r15 # Establish my stack register
sr %r15,%r4 # Make room for fn args
ahi %r15,-96 # Make room for new frame
lr %r10,%r15 # Establish stack build area
ahi %r15,-96 # Stack for next call
lr %r1,%r7
stm %r2,%r7,96(%r11) # Save args on my stack
#------------------------------------------------------------------
# move first 3 parameters in registers
#------------------------------------------------------------------
lr %r9,%r2 # r9: &ffi_prep_args
lr %r2,%r10 # Parm 1: &stack Parm 2: &ecif
basr %r14,%r9 # call ffi_prep_args
#------------------------------------------------------------------
# load first 5 parameter registers
#------------------------------------------------------------------
lm %r2,%r6,24(%r10)
#------------------------------------------------------------------
# load fp parameter registers
#------------------------------------------------------------------
ld %f0,48(%r10)
ld %f2,56(%r10)
#------------------------------------------------------------------
# call function
#------------------------------------------------------------------
lr %r15,%r10 # Set new stack
l %r9,116(%r11) # Get &fn
basr %r14,%r9 # Call function
#------------------------------------------------------------------
# On return:
# r2: Return value (r3: Return value + 4 for long long)
#------------------------------------------------------------------
#------------------------------------------------------------------
# If the return value pointer is NULL, assume no return value.
#------------------------------------------------------------------
icm %r6,15,112(%r11)
jz .Lepilogue
l %r5,108(%r11) # Get return type
#------------------------------------------------------------------
# return INT
#------------------------------------------------------------------
chi %r5,FFI_TYPE_INT
jne .Lchk64
st %r2,0(%r6)
j .Lepilogue
.Lchk64:
#------------------------------------------------------------------
# return LONG LONG (signed/unsigned)
#------------------------------------------------------------------
chi %r5,FFI_TYPE_UINT64
je .LdoLongLong
chi %r5,FFI_TYPE_SINT64
jne .LchkFloat
.LdoLongLong:
stm %r2,%r3,0(%r6)
j .Lepilogue
.LchkFloat:
#------------------------------------------------------------------
# return FLOAT
#------------------------------------------------------------------
chi %r5,FFI_TYPE_FLOAT
jne .LchkDouble
std %f0,0(%r6)
j .Lepilogue
.LchkDouble:
#------------------------------------------------------------------
# return DOUBLE or LONGDOUBLE
#------------------------------------------------------------------
chi %r5,FFI_TYPE_DOUBLE
jne .LchkStruct
std %f0,0(%r6)
std %f2,8(%r6)
j .Lepilogue
.LchkStruct:
#------------------------------------------------------------------
# Structure - rvalue already set as sent as 1st parm to routine
#------------------------------------------------------------------
chi %r5,FFI_TYPE_STRUCT
je .Lepilogue
.Ldefault:
#------------------------------------------------------------------
# return a pointer
#------------------------------------------------------------------
st %r2,0(%r6)
j .Lepilogue
.Lepilogue:
l %r15,0(%r11)
l %r4,56(%r15)
lm %r7,%r15,28(%r15)
br %r4
.ffi_call_SYSV_end:
.size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV