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avr32 libffi port

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From-SVN: r155469
This commit is contained in:
Bradley Smith 2009-12-26 04:21:07 +00:00 committed by Anthony Green
parent f8b9b505f2
commit 124f60ab29
8 changed files with 763 additions and 27 deletions
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7
libffi/ChangeLog
View File

@ -1,3 +1,10 @@
2009-12-25 Bradley Smith <brad@brad-smith.co.uk>
* configure.ac, Makefile.am, src/avr32/ffi.c,
src/avr32/ffitarget.h,
src/avr32/sysv.S: Add AVR32 port.
* configure, Makefile.in: Rebuilt.
2009-12-21 Andreas Tobler <a.tobler@schweiz.org>
* configure.ac: Make i?86 build on FreeBSD and OpenBSD.

4
libffi/Makefile.am
View File

@ -8,6 +8,7 @@ SUBDIRS = include testsuite man
EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj configure.host \
src/alpha/ffi.c src/alpha/osf.S src/alpha/ffitarget.h \
src/arm/ffi.c src/arm/sysv.S src/arm/ffitarget.h \
src/avr32/ffi.c src/avr32/sysv.S src/avr32/ffitarget.h \
src/cris/ffi.c src/cris/sysv.S src/cris/ffitarget.h \
src/ia64/ffi.c src/ia64/ffitarget.h src/ia64/ia64_flags.h \
src/ia64/unix.S \
@ -132,6 +133,9 @@ endif
if ARM
nodist_libffi_la_SOURCES += src/arm/sysv.S src/arm/ffi.c
endif
if AVR32
nodist_libffi_la_SOURCES += src/avr32/sysv.S src/avr32/ffi.c
endif
if LIBFFI_CRIS
nodist_libffi_la_SOURCES += src/cris/sysv.S src/cris/ffi.c
endif

73
libffi/Makefile.in
View File

@ -51,14 +51,15 @@ target_triplet = @target@
@POWERPC_DARWIN_TRUE@am__append_14 = src/powerpc/ffi_darwin.c src/powerpc/darwin.S src/powerpc/darwin_closure.S
@POWERPC_FREEBSD_TRUE@am__append_15 = src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closure.S
@ARM_TRUE@am__append_16 = src/arm/sysv.S src/arm/ffi.c
@LIBFFI_CRIS_TRUE@am__append_17 = src/cris/sysv.S src/cris/ffi.c
@FRV_TRUE@am__append_18 = src/frv/eabi.S src/frv/ffi.c
@S390_TRUE@am__append_19 = src/s390/sysv.S src/s390/ffi.c
@X86_64_TRUE@am__append_20 = src/x86/ffi64.c src/x86/unix64.S src/x86/ffi.c src/x86/sysv.S
@SH_TRUE@am__append_21 = src/sh/sysv.S src/sh/ffi.c
@SH64_TRUE@am__append_22 = src/sh64/sysv.S src/sh64/ffi.c
@PA_LINUX_TRUE@am__append_23 = src/pa/linux.S src/pa/ffi.c
@PA_HPUX_TRUE@am__append_24 = src/pa/hpux32.S src/pa/ffi.c
@AVR32_TRUE@am__append_17 = src/avr32/sysv.S src/avr32/ffi.c
@LIBFFI_CRIS_TRUE@am__append_18 = src/cris/sysv.S src/cris/ffi.c
@FRV_TRUE@am__append_19 = src/frv/eabi.S src/frv/ffi.c
@S390_TRUE@am__append_20 = src/s390/sysv.S src/s390/ffi.c
@X86_64_TRUE@am__append_21 = src/x86/ffi64.c src/x86/unix64.S src/x86/ffi.c src/x86/sysv.S
@SH_TRUE@am__append_22 = src/sh/sysv.S src/sh/ffi.c
@SH64_TRUE@am__append_23 = src/sh64/sysv.S src/sh64/ffi.c
@PA_LINUX_TRUE@am__append_24 = src/pa/linux.S src/pa/ffi.c
@PA_HPUX_TRUE@am__append_25 = src/pa/hpux32.S src/pa/ffi.c
subdir = .
DIST_COMMON = README $(am__configure_deps) $(srcdir)/../compile \
$(srcdir)/../config.guess $(srcdir)/../config.sub \
@ -139,15 +140,16 @@ am_libffi_la_OBJECTS = src/debug.lo src/prep_cif.lo src/types.lo \
@POWERPC_FREEBSD_TRUE@ src/powerpc/sysv.lo \
@POWERPC_FREEBSD_TRUE@ src/powerpc/ppc_closure.lo
@ARM_TRUE@am__objects_16 = src/arm/sysv.lo src/arm/ffi.lo
@LIBFFI_CRIS_TRUE@am__objects_17 = src/cris/sysv.lo src/cris/ffi.lo
@FRV_TRUE@am__objects_18 = src/frv/eabi.lo src/frv/ffi.lo
@S390_TRUE@am__objects_19 = src/s390/sysv.lo src/s390/ffi.lo
@X86_64_TRUE@am__objects_20 = src/x86/ffi64.lo src/x86/unix64.lo \
@AVR32_TRUE@am__objects_17 = src/avr32/sysv.lo src/avr32/ffi.lo
@LIBFFI_CRIS_TRUE@am__objects_18 = src/cris/sysv.lo src/cris/ffi.lo
@FRV_TRUE@am__objects_19 = src/frv/eabi.lo src/frv/ffi.lo
@S390_TRUE@am__objects_20 = src/s390/sysv.lo src/s390/ffi.lo
@X86_64_TRUE@am__objects_21 = src/x86/ffi64.lo src/x86/unix64.lo \
@X86_64_TRUE@ src/x86/ffi.lo src/x86/sysv.lo
@SH_TRUE@am__objects_21 = src/sh/sysv.lo src/sh/ffi.lo
@SH64_TRUE@am__objects_22 = src/sh64/sysv.lo src/sh64/ffi.lo
@PA_LINUX_TRUE@am__objects_23 = src/pa/linux.lo src/pa/ffi.lo
@PA_HPUX_TRUE@am__objects_24 = src/pa/hpux32.lo src/pa/ffi.lo
@SH_TRUE@am__objects_22 = src/sh/sysv.lo src/sh/ffi.lo
@SH64_TRUE@am__objects_23 = src/sh64/sysv.lo src/sh64/ffi.lo
@PA_LINUX_TRUE@am__objects_24 = src/pa/linux.lo src/pa/ffi.lo
@PA_HPUX_TRUE@am__objects_25 = src/pa/hpux32.lo src/pa/ffi.lo
nodist_libffi_la_OBJECTS = $(am__objects_1) $(am__objects_2) \
$(am__objects_3) $(am__objects_4) $(am__objects_5) \
$(am__objects_6) $(am__objects_7) $(am__objects_8) \
@ -156,25 +158,26 @@ nodist_libffi_la_OBJECTS = $(am__objects_1) $(am__objects_2) \
$(am__objects_15) $(am__objects_16) $(am__objects_17) \
$(am__objects_18) $(am__objects_19) $(am__objects_20) \
$(am__objects_21) $(am__objects_22) $(am__objects_23) \
$(am__objects_24)
$(am__objects_24) $(am__objects_25)
libffi_la_OBJECTS = $(am_libffi_la_OBJECTS) \
$(nodist_libffi_la_OBJECTS)
libffi_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
$(libffi_la_LDFLAGS) $(LDFLAGS) -o $@
libffi_convenience_la_LIBADD =
am__objects_25 = src/debug.lo src/prep_cif.lo src/types.lo \
am__objects_26 = src/debug.lo src/prep_cif.lo src/types.lo \
src/raw_api.lo src/java_raw_api.lo src/closures.lo
am_libffi_convenience_la_OBJECTS = $(am__objects_25)
am__objects_26 = $(am__objects_1) $(am__objects_2) $(am__objects_3) \
am_libffi_convenience_la_OBJECTS = $(am__objects_26)
am__objects_27 = $(am__objects_1) $(am__objects_2) $(am__objects_3) \
$(am__objects_4) $(am__objects_5) $(am__objects_6) \
$(am__objects_7) $(am__objects_8) $(am__objects_9) \
$(am__objects_10) $(am__objects_11) $(am__objects_12) \
$(am__objects_13) $(am__objects_14) $(am__objects_15) \
$(am__objects_16) $(am__objects_17) $(am__objects_18) \
$(am__objects_19) $(am__objects_20) $(am__objects_21) \
$(am__objects_22) $(am__objects_23) $(am__objects_24)
nodist_libffi_convenience_la_OBJECTS = $(am__objects_26)
$(am__objects_22) $(am__objects_23) $(am__objects_24) \
$(am__objects_25)
nodist_libffi_convenience_la_OBJECTS = $(am__objects_27)
libffi_convenience_la_OBJECTS = $(am_libffi_convenience_la_OBJECTS) \
$(nodist_libffi_convenience_la_OBJECTS)
DEFAULT_INCLUDES = -I.@am__isrc@
@ -388,6 +391,7 @@ SUBDIRS = include testsuite man
EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj configure.host \
src/alpha/ffi.c src/alpha/osf.S src/alpha/ffitarget.h \
src/arm/ffi.c src/arm/sysv.S src/arm/ffitarget.h \
src/avr32/ffi.c src/avr32/sysv.S src/avr32/ffitarget.h \
src/cris/ffi.c src/cris/sysv.S src/cris/ffitarget.h \
src/ia64/ffi.c src/ia64/ffitarget.h src/ia64/ia64_flags.h \
src/ia64/unix.S \
@ -463,7 +467,7 @@ nodist_libffi_la_SOURCES = $(am__append_1) $(am__append_2) \
$(am__append_15) $(am__append_16) $(am__append_17) \
$(am__append_18) $(am__append_19) $(am__append_20) \
$(am__append_21) $(am__append_22) $(am__append_23) \
$(am__append_24)
$(am__append_24) $(am__append_25)
libffi_convenience_la_SOURCES = $(libffi_la_SOURCES)
nodist_libffi_convenience_la_SOURCES = $(nodist_libffi_la_SOURCES)
AM_CFLAGS = -Wall -g -fexceptions
@ -701,6 +705,16 @@ src/arm/sysv.lo: src/arm/$(am__dirstamp) \
src/arm/$(DEPDIR)/$(am__dirstamp)
src/arm/ffi.lo: src/arm/$(am__dirstamp) \
src/arm/$(DEPDIR)/$(am__dirstamp)
src/avr32/$(am__dirstamp):
@$(MKDIR_P) src/avr32
@: > src/avr32/$(am__dirstamp)
src/avr32/$(DEPDIR)/$(am__dirstamp):
@$(MKDIR_P) src/avr32/$(DEPDIR)
@: > src/avr32/$(DEPDIR)/$(am__dirstamp)
src/avr32/sysv.lo: src/avr32/$(am__dirstamp) \
src/avr32/$(DEPDIR)/$(am__dirstamp)
src/avr32/ffi.lo: src/avr32/$(am__dirstamp) \
src/avr32/$(DEPDIR)/$(am__dirstamp)
src/cris/$(am__dirstamp):
@$(MKDIR_P) src/cris
@: > src/cris/$(am__dirstamp)
@ -778,6 +792,10 @@ mostlyclean-compile:
-rm -f src/arm/ffi.lo
-rm -f src/arm/sysv.$(OBJEXT)
-rm -f src/arm/sysv.lo
-rm -f src/avr32/ffi.$(OBJEXT)
-rm -f src/avr32/ffi.lo
-rm -f src/avr32/sysv.$(OBJEXT)
-rm -f src/avr32/sysv.lo
-rm -f src/closures.$(OBJEXT)
-rm -f src/closures.lo
-rm -f src/cris/ffi.$(OBJEXT)
@ -892,6 +910,8 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@src/alpha/$(DEPDIR)/osf.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/arm/$(DEPDIR)/ffi.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/arm/$(DEPDIR)/sysv.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/avr32/$(DEPDIR)/ffi.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/avr32/$(DEPDIR)/sysv.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/cris/$(DEPDIR)/ffi.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/cris/$(DEPDIR)/sysv.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/frv/$(DEPDIR)/eabi.Plo@am__quote@
@ -993,6 +1013,7 @@ clean-libtool:
-rm -rf src/.libs src/_libs
-rm -rf src/alpha/.libs src/alpha/_libs
-rm -rf src/arm/.libs src/arm/_libs
-rm -rf src/avr32/.libs src/avr32/_libs
-rm -rf src/cris/.libs src/cris/_libs
-rm -rf src/frv/.libs src/frv/_libs
-rm -rf src/ia64/.libs src/ia64/_libs
@ -1371,6 +1392,8 @@ distclean-generic:
-rm -f src/alpha/$(am__dirstamp)
-rm -f src/arm/$(DEPDIR)/$(am__dirstamp)
-rm -f src/arm/$(am__dirstamp)
-rm -f src/avr32/$(DEPDIR)/$(am__dirstamp)
-rm -f src/avr32/$(am__dirstamp)
-rm -f src/cris/$(DEPDIR)/$(am__dirstamp)
-rm -f src/cris/$(am__dirstamp)
-rm -f src/frv/$(DEPDIR)/$(am__dirstamp)
@ -1408,7 +1431,7 @@ clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
distclean: distclean-multi distclean-recursive
-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-rm -rf src/$(DEPDIR) src/alpha/$(DEPDIR) src/arm/$(DEPDIR) src/cris/$(DEPDIR) src/frv/$(DEPDIR) src/ia64/$(DEPDIR) src/m32r/$(DEPDIR) src/m68k/$(DEPDIR) src/mips/$(DEPDIR) src/pa/$(DEPDIR) src/powerpc/$(DEPDIR) src/s390/$(DEPDIR) src/sh/$(DEPDIR) src/sh64/$(DEPDIR) src/sparc/$(DEPDIR) src/x86/$(DEPDIR)
-rm -rf src/$(DEPDIR) src/alpha/$(DEPDIR) src/arm/$(DEPDIR) src/avr32/$(DEPDIR) src/cris/$(DEPDIR) src/frv/$(DEPDIR) src/ia64/$(DEPDIR) src/m32r/$(DEPDIR) src/m68k/$(DEPDIR) src/mips/$(DEPDIR) src/pa/$(DEPDIR) src/powerpc/$(DEPDIR) src/s390/$(DEPDIR) src/sh/$(DEPDIR) src/sh64/$(DEPDIR) src/sparc/$(DEPDIR) src/x86/$(DEPDIR)
-rm -f Makefile
distclean-am: clean-am distclean-compile distclean-generic \
distclean-hdr distclean-libtool distclean-tags
@ -1456,7 +1479,7 @@ installcheck-am:
maintainer-clean: maintainer-clean-multi maintainer-clean-recursive
-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-rm -rf $(top_srcdir)/autom4te.cache
-rm -rf src/$(DEPDIR) src/alpha/$(DEPDIR) src/arm/$(DEPDIR) src/cris/$(DEPDIR) src/frv/$(DEPDIR) src/ia64/$(DEPDIR) src/m32r/$(DEPDIR) src/m68k/$(DEPDIR) src/mips/$(DEPDIR) src/pa/$(DEPDIR) src/powerpc/$(DEPDIR) src/s390/$(DEPDIR) src/sh/$(DEPDIR) src/sh64/$(DEPDIR) src/sparc/$(DEPDIR) src/x86/$(DEPDIR)
-rm -rf src/$(DEPDIR) src/alpha/$(DEPDIR) src/arm/$(DEPDIR) src/avr32/$(DEPDIR) src/cris/$(DEPDIR) src/frv/$(DEPDIR) src/ia64/$(DEPDIR) src/m32r/$(DEPDIR) src/m68k/$(DEPDIR) src/mips/$(DEPDIR) src/pa/$(DEPDIR) src/powerpc/$(DEPDIR) src/s390/$(DEPDIR) src/sh/$(DEPDIR) src/sh64/$(DEPDIR) src/sparc/$(DEPDIR) src/x86/$(DEPDIR)
-rm -f Makefile
maintainer-clean-am: distclean-am maintainer-clean-generic

22
libffi/configure vendored
View File

@ -628,6 +628,8 @@ FRV_FALSE
FRV_TRUE
LIBFFI_CRIS_FALSE
LIBFFI_CRIS_TRUE
AVR32_FALSE
AVR32_TRUE
ARM_FALSE
ARM_TRUE
POWERPC_FREEBSD_FALSE
@ -10771,7 +10773,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 10774 "configure"
#line 10776 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -10877,7 +10879,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 10880 "configure"
#line 10882 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11329,6 +11331,10 @@ case "$host" in
TARGET=X86_64; TARGETDIR=x86
;;
avr32*-*-*)
TARGET=AVR32; TARGETDIR=avr32
;;
cris-*-*)
TARGET=LIBFFI_CRIS; TARGETDIR=cris
;;
@ -11563,6 +11569,14 @@ else
ARM_FALSE=
fi
if test x$TARGET = xAVR32; then
AVR32_TRUE=
AVR32_FALSE='#'
else
AVR32_TRUE='#'
AVR32_FALSE=
fi
if test x$TARGET = xLIBFFI_CRIS; then
LIBFFI_CRIS_TRUE=
LIBFFI_CRIS_FALSE='#'
@ -12723,6 +12737,10 @@ if test -z "${ARM_TRUE}" && test -z "${ARM_FALSE}"; then
as_fn_error "conditional \"ARM\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${AVR32_TRUE}" && test -z "${AVR32_FALSE}"; then
as_fn_error "conditional \"AVR32\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${LIBFFI_CRIS_TRUE}" && test -z "${LIBFFI_CRIS_FALSE}"; then
as_fn_error "conditional \"LIBFFI_CRIS\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5

5
libffi/configure.ac
View File

@ -55,6 +55,10 @@ case "$host" in
TARGET=X86_64; TARGETDIR=x86
;;
avr32*-*-*)
TARGET=AVR32; TARGETDIR=avr32
;;
cris-*-*)
TARGET=LIBFFI_CRIS; TARGETDIR=cris
;;
@ -177,6 +181,7 @@ AM_CONDITIONAL(POWERPC_AIX, test x$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$TARGET = xARM)
AM_CONDITIONAL(AVR32, test x$TARGET = xAVR32)
AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS)
AM_CONDITIONAL(FRV, test x$TARGET = xFRV)
AM_CONDITIONAL(S390, test x$TARGET = xS390)

421
libffi/src/avr32/ffi.c Normal file
View File

@ -0,0 +1,421 @@
/* -----------------------------------------------------------------------
ffi.c - Copyright (c) 2009 Bradley Smith <brad@brad-smith.co.uk>
AVR32 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 AUTHORS OR COPYRIGHT
HOLDERS 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.
----------------------------------------------------------------------- */
#include <ffi.h>
#include <ffi_common.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <asm/unistd.h>
/* #define DEBUG */
extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *,
unsigned int, unsigned int, unsigned int*, unsigned int,
void (*fn)(void));
extern void ffi_closure_SYSV (ffi_closure *);
unsigned int pass_struct_on_stack(ffi_type *type)
{
if(type->type != FFI_TYPE_STRUCT)
return 0;
if(type->alignment < type->size &&
!(type->size == 4 || type->size == 8) &&
!(type->size == 8 && type->alignment >= 4))
return 1;
if(type->size == 3 || type->size == 5 || type->size == 6 ||
type->size == 7)
return 1;
return 0;
}
/* ffi_prep_args is called by the assembly routine once stack space
* has been allocated for the function's arguments
*
* This is annoyingly complex since we need to keep track of used
* registers.
*/
void ffi_prep_args(char *stack, extended_cif *ecif)
{
unsigned int i;
void **p_argv;
ffi_type **p_arg;
char *reg_base = stack;
char *stack_base = stack + 20;
unsigned int stack_offset = 0;
unsigned int reg_mask = 0;
p_argv = ecif->avalue;
/* If cif->flags is struct then we know it's not passed in registers */
if(ecif->cif->flags == FFI_TYPE_STRUCT)
{
*(void**)reg_base = ecif->rvalue;
reg_mask |= 1;
}
for(i = 0, p_arg = ecif->cif->arg_types; i < ecif->cif->nargs;
i++, p_arg++)
{
size_t z = (*p_arg)->size;
int alignment = (*p_arg)->alignment;
int type = (*p_arg)->type;
char *addr = 0;
if(z % 4 != 0)
z += (4 - z % 4);
if(reg_mask != 0x1f)
{
if(pass_struct_on_stack(*p_arg))
{
addr = stack_base + stack_offset;
stack_offset += z;
}
else if(z == sizeof(int))
{
char index = 0;
while((reg_mask >> index) & 1)
index++;
addr = reg_base + (index * 4);
reg_mask |= (1 << index);
}
else if(z == 2 * sizeof(int))
{
if(!((reg_mask >> 1) & 1))
{
addr = reg_base + 4;
reg_mask |= (3 << 1);
}
else if(!((reg_mask >> 3) & 1))
{
addr = reg_base + 12;
reg_mask |= (3 << 3);
}
}
}
if(!addr)
{
addr = stack_base + stack_offset;
stack_offset += z;
}
if(type == FFI_TYPE_STRUCT && (*p_arg)->elements[1] == NULL)
type = (*p_arg)->elements[0]->type;
switch(type)
{
case FFI_TYPE_UINT8:
*(unsigned int *)addr = (unsigned int)*(UINT8 *)(*p_argv);
break;
case FFI_TYPE_SINT8:
*(signed int *)addr = (signed int)*(SINT8 *)(*p_argv);
break;
case FFI_TYPE_UINT16:
*(unsigned int *)addr = (unsigned int)*(UINT16 *)(*p_argv);
break;
case FFI_TYPE_SINT16:
*(signed int *)addr = (signed int)*(SINT16 *)(*p_argv);
break;
default:
memcpy(addr, *p_argv, z);
}
p_argv++;
}
#ifdef DEBUG
/* Debugging */
for(i = 0; i < 5; i++)
{
if((reg_mask & (1 << i)) == 0)
printf("r%d: (unused)\n", 12 - i);
else
printf("r%d: 0x%08x\n", 12 - i, ((unsigned int*)reg_base)[i]);
}
for(i = 0; i < stack_offset / 4; i++)
{
printf("sp+%d: 0x%08x\n", i*4, ((unsigned int*)stack_base)[i]);
}
#endif
}
/* Perform machine dependent cif processing */
ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
{
/* Round the stack up to a multiple of 8 bytes. This isn't needed
* everywhere, but it is on some platforms, and it doesn't harm
* anything when it isn't needed. */
cif->bytes = (cif->bytes + 7) & ~7;
/* Flag to indicate that he return value is in fact a struct */
cif->rstruct_flag = 0;
/* Set the return type flag */
switch(cif->rtype->type)
{
case FFI_TYPE_SINT8:
case FFI_TYPE_UINT8:
cif->flags = (unsigned)FFI_TYPE_UINT8;
break;
case FFI_TYPE_SINT16:
case FFI_TYPE_UINT16:
cif->flags = (unsigned)FFI_TYPE_UINT16;
break;
case FFI_TYPE_FLOAT:
case FFI_TYPE_SINT32:
case FFI_TYPE_UINT32:
case FFI_TYPE_POINTER:
cif->flags = (unsigned)FFI_TYPE_UINT32;
break;
case FFI_TYPE_DOUBLE:
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
cif->flags = (unsigned)FFI_TYPE_UINT64;
break;
case FFI_TYPE_STRUCT:
cif->rstruct_flag = 1;
if(!pass_struct_on_stack(cif->rtype))
{
if(cif->rtype->size <= 1)
cif->flags = (unsigned)FFI_TYPE_UINT8;
else if(cif->rtype->size <= 2)
cif->flags = (unsigned)FFI_TYPE_UINT16;
else if(cif->rtype->size <= 4)
cif->flags = (unsigned)FFI_TYPE_UINT32;
else if(cif->rtype->size <= 8)
cif->flags = (unsigned)FFI_TYPE_UINT64;
else
cif->flags = (unsigned)cif->rtype->type;
}
else
cif->flags = (unsigned)cif->rtype->type;
break;
default:
cif->flags = (unsigned)cif->rtype->type;
break;
}
return FFI_OK;
}
void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
{
extended_cif ecif;
unsigned int size = 0, i = 0;
ffi_type **p_arg;
ecif.cif = cif;
ecif.avalue = avalue;
for(i = 0, p_arg = cif->arg_types; i < cif->nargs; i++, p_arg++)
size += (*p_arg)->size + (4 - (*p_arg)->size % 4);
/* If the return value is a struct and we don't have a return value
* address then we need to make one */
/* If cif->flags is struct then it's not suitable for registers */
if((rvalue == NULL) && (cif->flags == 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, size, cif->flags,
ecif.rvalue, cif->rstruct_flag, fn);
break;
default:
FFI_ASSERT(0);
break;
}
}
static void ffi_prep_incoming_args_SYSV(char *stack, void **rvalue,
void **avalue, ffi_cif *cif)
{
register unsigned int i, reg_mask = 0;
register void **p_argv;
register ffi_type **p_arg;
register char *reg_base = stack;
register char *stack_base = stack + 20;
register unsigned int stack_offset = 0;
#ifdef DEBUG
/* Debugging */
for(i = 0; i < cif->nargs + 7; i++)
{
printf("sp+%d: 0x%08x\n", i*4, ((unsigned int*)stack)[i]);
}
#endif
/* If cif->flags is struct then we know it's not passed in registers */
if(cif->flags == FFI_TYPE_STRUCT)
{
*rvalue = *(void **)reg_base;
reg_mask |= 1;
}
p_argv = avalue;
for(i = 0, p_arg = cif->arg_types; i < cif->nargs; i++, p_arg++)
{
size_t z = (*p_arg)->size;
int alignment = (*p_arg)->alignment;
*p_argv = 0;
if(z % 4 != 0)
z += (4 - z % 4);
if(reg_mask != 0x1f)
{
if(pass_struct_on_stack(*p_arg))
{
*p_argv = (void*)stack_base + stack_offset;
stack_offset += z;
}
else if(z <= sizeof(int))
{
char index = 0;
while((reg_mask >> index) & 1)
index++;
*p_argv = (void*)reg_base + (index * 4);
reg_mask |= (1 << index);
}
else if(z == 2 * sizeof(int))
{
if(!((reg_mask >> 1) & 1))
{
*p_argv = (void*)reg_base + 4;
reg_mask |= (3 << 1);
}
else if(!((reg_mask >> 3) & 1))
{
*p_argv = (void*)reg_base + 12;
reg_mask |= (3 << 3);
}
}
}
if(!*p_argv)
{
*p_argv = (void*)stack_base + stack_offset;
stack_offset += z;
}
if((*p_arg)->type != FFI_TYPE_STRUCT ||
(*p_arg)->elements[1] == NULL)
{
if(alignment == 1)
**(unsigned int**)p_argv <<= 24;
else if(alignment == 2)
**(unsigned int**)p_argv <<= 16;
}
p_argv++;
}
#ifdef DEBUG
/* Debugging */
for(i = 0; i < cif->nargs; i++)
{
printf("sp+%d: 0x%08x\n", i*4, *(((unsigned int**)avalue)[i]));
}
#endif
}
/* This function is jumped to by the trampoline */
unsigned int ffi_closure_SYSV_inner(ffi_closure *closure, void **respp,
void *args)
{
ffi_cif *cif;
void **arg_area;
unsigned int i, size = 0;
ffi_type **p_arg;
cif = closure->cif;
for(i = 0, p_arg = cif->arg_types; i < cif->nargs; i++, p_arg++)
size += (*p_arg)->size + (4 - (*p_arg)->size % 4);
arg_area = (void **)alloca(size);
/* this call will initialize ARG_AREA, such that each element in that
* array points to the corresponding value on the stack; and if the
* function returns a structure, it will re-set RESP to point to the
* structure return address. */
ffi_prep_incoming_args_SYSV(args, respp, arg_area, cif);
(closure->fun)(cif, *respp, arg_area, closure->user_data);
return cif->flags;
}
ffi_status ffi_prep_closure_loc(ffi_closure* closure, ffi_cif* cif,
void (*fun)(ffi_cif*, void*, void**, void*), void *user_data,
void *codeloc)
{
FFI_ASSERT(cif->abi == FFI_SYSV);
unsigned char *__tramp = (unsigned char*)(&closure->tramp[0]);
unsigned int __fun = (unsigned int)(&ffi_closure_SYSV);
unsigned int __ctx = (unsigned int)(codeloc);
unsigned int __rstruct_flag = (unsigned int)(cif->rstruct_flag);
unsigned int __inner = (unsigned int)(&ffi_closure_SYSV_inner);
*(unsigned int*) &__tramp[0] = 0xebcd1f00; /* pushm r8-r12 */
*(unsigned int*) &__tramp[4] = 0xfefc0010; /* ld.w r12, pc[16] */
*(unsigned int*) &__tramp[8] = 0xfefb0010; /* ld.w r11, pc[16] */
*(unsigned int*) &__tramp[12] = 0xfefa0010; /* ld.w r10, pc[16] */
*(unsigned int*) &__tramp[16] = 0xfeff0010; /* ld.w pc, pc[16] */
*(unsigned int*) &__tramp[20] = __ctx;
*(unsigned int*) &__tramp[24] = __rstruct_flag;
*(unsigned int*) &__tramp[28] = __inner;
*(unsigned int*) &__tramp[32] = __fun;
syscall(__NR_cacheflush, 0, (&__tramp[0]), 36);
closure->cif = cif;
closure->user_data = user_data;
closure->fun = fun;
return FFI_OK;
}

50
libffi/src/avr32/ffitarget.h Normal file
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@ -0,0 +1,50 @@
/* -----------------------------------------------------------------*-C-*-
ffitarget.h - Copyright (c) 2009 Bradley Smith <brad@brad-smith.co.uk>
Target configuration macros for AVR32.
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 AUTHORS OR COPYRIGHT
HOLDERS 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.
----------------------------------------------------------------------- */
#ifndef LIBFFI_TARGET_H
#define LIBFFI_TARGET_H
#ifndef LIBFFI_ASM
typedef unsigned long ffi_arg;
typedef signed long ffi_sarg;
typedef enum ffi_abi {
FFI_FIRST_ABI = 0,
FFI_SYSV,
FFI_DEFAULT_ABI = FFI_SYSV,
FFI_LAST_ABI = FFI_DEFAULT_ABI + 1
} ffi_abi;
#endif
#define FFI_EXTRA_CIF_FIELDS unsigned int rstruct_flag
/* Definitions for closures */
#define FFI_CLOSURES 1
#define FFI_TRAMPOLINE_SIZE 36
#define FFI_NATIVE_RAW_API 0
#endif

208
libffi/src/avr32/sysv.S Normal file
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/* -----------------------------------------------------------------------
sysv.S - Copyright (c) 2009 Bradley Smith <brad@brad-smith.co.uk>
AVR32 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 AUTHORS OR COPYRIGHT HOLDERS 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 <fficonfig.h>
#include <ffi.h>
/* r12: ffi_prep_args
* r11: &ecif
* r10: size
* r9: cif->flags
* r8: ecif.rvalue
* sp+0: cif->rstruct_flag
* sp+4: fn */
.text
.align 1
.globl ffi_call_SYSV
.type ffi_call_SYSV, @function
ffi_call_SYSV:
stm --sp, r0,r1,lr
stm --sp, r8-r12
mov r0, sp
/* Make room for all of the new args. */
sub sp, r10
/* Pad to make way for potential skipped registers */
sub sp, 20
/* Call ffi_prep_args(stack, &ecif). */
/* r11 already set */
mov r1, r12
mov r12, sp
icall r1
/* Save new argument size */
mov r1, r12
/* Move first 5 parameters in registers. */
ldm sp++, r8-r12
/* call (fn) (...). */
ld.w r1, r0[36]
icall r1
/* Remove the space we pushed for the args. */
mov sp, r0
/* Load r1 with the rstruct flag. */
ld.w r1, sp[32]
/* Load r9 with the return type code. */
ld.w r9, sp[12]
/* Load r8 with the return value pointer. */
ld.w r8, sp[16]
/* If the return value pointer is NULL, assume no return value. */
cp.w r8, 0
breq .Lend
/* Check if return type is actually a struct */
cp.w r1, 0
breq 1f
/* Return 8bit */
cp.w r9, FFI_TYPE_UINT8
breq .Lstore8
/* Return 16bit */
cp.w r9, FFI_TYPE_UINT16
breq .Lstore16
1:
/* Return 32bit */
cp.w r9, FFI_TYPE_UINT32
breq .Lstore32
cp.w r9, FFI_TYPE_UINT16
breq .Lstore32
cp.w r9, FFI_TYPE_UINT8
breq .Lstore32
/* Return 64bit */
cp.w r9, FFI_TYPE_UINT64
breq .Lstore64
/* Didn't match anything */
bral .Lend
.Lstore64:
st.w r8[0], r11
st.w r8[4], r10
bral .Lend
.Lstore32:
st.w r8[0], r12
bral .Lend
.Lstore16:
st.h r8[0], r12
bral .Lend
.Lstore8:
st.b r8[0], r12
bral .Lend
.Lend:
sub sp, -20
ldm sp++, r0,r1,pc
.size ffi_call_SYSV, . - ffi_call_SYSV
/* r12: __ctx
* r11: __rstruct_flag
* r10: __inner */
.align 1
.globl ffi_closure_SYSV
.type ffi_closure_SYSV, @function
ffi_closure_SYSV:
stm --sp, r0,lr
mov r0, r11
mov r8, r10
sub r10, sp, -8
sub sp, 12
st.w sp[8], sp
sub r11, sp, -8
icall r8
/* Check if return type is actually a struct */
cp.w r0, 0
breq 1f
/* Return 8bit */
cp.w r12, FFI_TYPE_UINT8
breq .Lget8
/* Return 16bit */
cp.w r12, FFI_TYPE_UINT16
breq .Lget16
1:
/* Return 32bit */
cp.w r12, FFI_TYPE_UINT32
breq .Lget32
cp.w r12, FFI_TYPE_UINT16
breq .Lget32
cp.w r12, FFI_TYPE_UINT8
breq .Lget32
/* Return 64bit */
cp.w r12, FFI_TYPE_UINT64
breq .Lget64
/* Didn't match anything */
bral .Lclend
.Lget64:
ld.w r11, sp[0]
ld.w r10, sp[4]
bral .Lclend
.Lget32:
ld.w r12, sp[0]
bral .Lclend
.Lget16:
ld.uh r12, sp[0]
bral .Lclend
.Lget8:
ld.ub r12, sp[0]
bral .Lclend
.Lclend:
sub sp, -12
ldm sp++, r0,lr
sub sp, -20
mov pc, lr
.size ffi_closure_SYSV, . - ffi_closure_SYSV
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits
#endif