From cdbb04096b99eb317eabd2b55610cf4056928ee6 Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Fri, 16 Nov 2012 00:48:10 +0000 Subject: libffi: add aarch64 support from upstream Fixes build failures like: http://autobuild.buildroot.org/results/6b4b4c414d366c936df480747c78272050c84293/build-end.log Signed-off-by: Thomas Petazzoni Signed-off-by: Peter Korsgaard --- ...fi-0002-Add-aarch64-support-from-upstream.patch | 2326 ++++++++++++++++++++ 1 file changed, 2326 insertions(+) create mode 100644 package/libffi/libffi-0002-Add-aarch64-support-from-upstream.patch diff --git a/package/libffi/libffi-0002-Add-aarch64-support-from-upstream.patch b/package/libffi/libffi-0002-Add-aarch64-support-from-upstream.patch new file mode 100644 index 000000000..a4071302a --- /dev/null +++ b/package/libffi/libffi-0002-Add-aarch64-support-from-upstream.patch @@ -0,0 +1,2326 @@ +From c77c9625dd63138512ce0f67e07dd254771e566f Mon Sep 17 00:00:00 2001 +From: Thomas Petazzoni +Date: Fri, 16 Nov 2012 01:15:28 +0100 +Subject: [PATCH 2/2] Add aarch64 support from upstream + +Signed-off-by: Thomas Petazzoni +--- + ChangeLog | 27 ++ + Makefile.am | 4 + + Makefile.in | 44 +- + README | 3 + + configure | 185 +++++--- + configure.ac | 5 + + src/aarch64/ffi.c | 1076 ++++++++++++++++++++++++++++++++++++++++++++++ + src/aarch64/ffitarget.h | 59 +++ + src/aarch64/sysv.S | 307 +++++++++++++ + testsuite/lib/libffi.exp | 4 + + 10 files changed, 1647 insertions(+), 67 deletions(-) + create mode 100644 src/aarch64/ffi.c + create mode 100644 src/aarch64/ffitarget.h + create mode 100644 src/aarch64/sysv.S + +diff --git a/ChangeLog b/ChangeLog +index 376edf7..4e8ea91 100644 +--- a/ChangeLog ++++ b/ChangeLog +@@ -1,3 +1,30 @@ ++2012-10-30 James Greenhalgh ++ Marcus Shawcroft ++ ++ * README: Add details of aarch64 port. ++ * src/aarch64/ffi.c: New. ++ * src/aarch64/ffitarget.h: Likewise. ++ * src/aarch64/sysv.S: Likewise. ++ * Makefile.am: Support aarch64. ++ * configure.ac: Support aarch64. ++ * Makefile.in, configure: Rebuilt. ++ ++2012-10-30 James Greenhalgh ++ Marcus Shawcroft ++ ++ * testsuite/lib/libffi.exp: Add support for aarch64. ++ * testsuite/libffi.call/cls_struct_va1.c: New. ++ * testsuite/libffi.call/cls_uchar_va.c: Likewise. ++ * testsuite/libffi.call/cls_uint_va.c: Likewise. ++ * testsuite/libffi.call/cls_ulong_va.c: Liekwise. ++ * testsuite/libffi.call/cls_ushort_va.c: Likewise. ++ * testsuite/libffi.call/nested_struct11.c: Likewise. ++ * testsuite/libffi.call/uninitialized.c: Likewise. ++ * testsuite/libffi.call/va_1.c: Likewise. ++ * testsuite/libffi.call/va_struct1.c: Likewise. ++ * testsuite/libffi.call/va_struct2.c: Likewise. ++ * testsuite/libffi.call/va_struct3.c: Likewise. ++ + 2012-04-23 Alexandre Keunecke I. de Mendonca + + * configure.ac: Add Blackfin/sysv support +diff --git a/Makefile.am b/Makefile.am +index 16f32a6..bd4d5c4 100644 +--- a/Makefile.am ++++ b/Makefile.am +@@ -5,6 +5,7 @@ AUTOMAKE_OPTIONS = foreign subdir-objects + SUBDIRS = include testsuite man + + EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj configure.host \ ++ src/aarch64/ffi.c src/aarch64/ffitarget.h \ + 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 \ +@@ -151,6 +152,9 @@ endif + if POWERPC_FREEBSD + nodist_libffi_la_SOURCES += src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closure.S + endif ++if AARCH64 ++nodist_libffi_la_SOURCES += src/aarch64/sysv.S src/aarch64/ffi.c ++endif + if ARM + nodist_libffi_la_SOURCES += src/arm/sysv.S src/arm/ffi.c + if FFI_EXEC_TRAMPOLINE_TABLE +diff --git a/Makefile.in b/Makefile.in +index f5c10af..c4f4470 100644 +--- a/Makefile.in ++++ b/Makefile.in +@@ -65,9 +65,10 @@ target_triplet = @target@ + @SH64_TRUE@am__append_27 = src/sh64/sysv.S src/sh64/ffi.c + @PA_LINUX_TRUE@am__append_28 = src/pa/linux.S src/pa/ffi.c + @PA_HPUX_TRUE@am__append_29 = src/pa/hpux32.S src/pa/ffi.c ++@AARCH64_TRUE@am__append_30 = src/aarch64/sysv.S src/aarch64/ffi.c + # Build debug. Define FFI_DEBUG on the commandline so that, when building with + # MSVC, it can link against the debug CRT. +-@FFI_DEBUG_TRUE@am__append_30 = -DFFI_DEBUG ++@FFI_DEBUG_TRUE@am__append_31 = -DFFI_DEBUG + subdir = . + DIST_COMMON = README $(am__configure_deps) $(srcdir)/Makefile.am \ + $(srcdir)/Makefile.in $(srcdir)/doc/stamp-vti \ +@@ -156,6 +157,7 @@ am_libffi_la_OBJECTS = src/prep_cif.lo src/types.lo src/raw_api.lo \ + @SH64_TRUE@am__objects_27 = src/sh64/sysv.lo src/sh64/ffi.lo + @PA_LINUX_TRUE@am__objects_28 = src/pa/linux.lo src/pa/ffi.lo + @PA_HPUX_TRUE@am__objects_29 = src/pa/hpux32.lo src/pa/ffi.lo ++@AARCH64_TRUE@am__objects_29 = src/aarch64/sysv.lo src/aarch64/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) \ +@@ -165,17 +167,18 @@ nodist_libffi_la_OBJECTS = $(am__objects_1) $(am__objects_2) \ + $(am__objects_18) $(am__objects_19) $(am__objects_20) \ + $(am__objects_21) $(am__objects_22) $(am__objects_23) \ + $(am__objects_24) $(am__objects_25) $(am__objects_26) \ +- $(am__objects_27) $(am__objects_28) $(am__objects_29) ++ $(am__objects_27) $(am__objects_28) $(am__objects_29) \ ++ $(am__objects_30) + 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_30 = src/prep_cif.lo src/types.lo src/raw_api.lo \ ++am__objects_31 = 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_30) +-am__objects_31 = $(am__objects_1) $(am__objects_2) $(am__objects_3) \ ++am_libffi_convenience_la_OBJECTS = $(am__objects_31) ++am__objects_32 = $(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) \ +@@ -185,7 +188,7 @@ am__objects_31 = $(am__objects_1) $(am__objects_2) $(am__objects_3) \ + $(am__objects_22) $(am__objects_23) $(am__objects_24) \ + $(am__objects_25) $(am__objects_26) $(am__objects_27) \ + $(am__objects_28) $(am__objects_29) +-nodist_libffi_convenience_la_OBJECTS = $(am__objects_31) ++nodist_libffi_convenience_la_OBJECTS = $(am__objects_32) + libffi_convenience_la_OBJECTS = $(am_libffi_convenience_la_OBJECTS) \ + $(nodist_libffi_convenience_la_OBJECTS) + DEFAULT_INCLUDES = -I.@am__isrc@ +@@ -410,6 +413,7 @@ top_srcdir = @top_srcdir@ + AUTOMAKE_OPTIONS = foreign subdir-objects + SUBDIRS = include testsuite man + EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj configure.host \ ++ src/aarch64/ffi.c src/aarch64/ffitarget.h \ + 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 \ +@@ -501,10 +505,11 @@ nodist_libffi_la_SOURCES = $(am__append_1) $(am__append_2) \ + $(am__append_18) $(am__append_19) $(am__append_20) \ + $(am__append_21) $(am__append_22) $(am__append_23) \ + $(am__append_24) $(am__append_25) $(am__append_26) \ +- $(am__append_27) $(am__append_28) $(am__append_29) ++ $(am__append_27) $(am__append_28) $(am__append_29) \ ++ $(am__append_30) + libffi_convenience_la_SOURCES = $(libffi_la_SOURCES) + nodist_libffi_convenience_la_SOURCES = $(nodist_libffi_la_SOURCES) +-AM_CFLAGS = -g $(am__append_30) ++AM_CFLAGS = -g $(am__append_31) + libffi_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS) $(AM_LTLDFLAGS) + AM_CPPFLAGS = -I. -I$(top_srcdir)/include -Iinclude -I$(top_srcdir)/src -DFFI_BUILDING + AM_CCASFLAGS = $(AM_CPPFLAGS) -g +@@ -640,6 +645,16 @@ src/bfin/ffi.lo: src/bfin/$(am__dirstamp) \ + src/bfin/$(DEPDIR)/$(am__dirstamp) + src/bfin/sysv.lo: src/bfin/$(am__dirstamp) \ + src/bfin/$(DEPDIR)/$(am__dirstamp) ++src/aarch64/$(am__dirstamp): ++ @$(MKDIR_P) src/aarch64 ++ @: > src/aarch64/$(am__dirstamp) ++src/aarch64/$(DEPDIR)/$(am__dirstamp): ++ @$(MKDIR_P) src/aarch64/$(DEPDIR) ++ @: > src/aarch64/$(DEPDIR)/$(am__dirstamp) ++src/aarch64/ffi.lo: src/aarch64/$(am__dirstamp) \ ++ src/aarch64/$(DEPDIR)/$(am__dirstamp) ++src/aarch64/sysv.lo: src/aarch64/$(am__dirstamp) \ ++ src/aarch64/$(DEPDIR)/$(am__dirstamp) + src/x86/$(am__dirstamp): + @$(MKDIR_P) src/x86 + @: > src/x86/$(am__dirstamp) +@@ -859,6 +874,10 @@ mostlyclean-compile: + -rm -f src/bfin/ffi.lo + -rm -f src/bfin/sysv.$(OBJEXT) + -rm -f src/bfin/sysv.lo ++ -rm -f src/aarch64/ffi.$(OBJEXT) ++ -rm -f src/aarch64/ffi.lo ++ -rm -f src/aarch64/sysv.$(OBJEXT) ++ -rm -f src/aarch64/sysv.lo + -rm -f src/closures.$(OBJEXT) + -rm -f src/closures.lo + -rm -f src/cris/ffi.$(OBJEXT) +@@ -973,6 +992,8 @@ distclean-compile: + @AMDEP_TRUE@@am__include@ @am__quote@src/$(DEPDIR)/prep_cif.Plo@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@src/$(DEPDIR)/raw_api.Plo@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@src/$(DEPDIR)/types.Plo@am__quote@ ++@AMDEP_TRUE@@am__include@ @am__quote@src/aarch64/$(DEPDIR)/ffi.Plo@am__quote@ ++@AMDEP_TRUE@@am__include@ @am__quote@src/aarch64/$(DEPDIR)/sysv.Plo@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@src/alpha/$(DEPDIR)/ffi.Plo@am__quote@ + @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@ +@@ -1083,6 +1104,7 @@ mostlyclean-libtool: + clean-libtool: + -rm -rf .libs _libs + -rm -rf src/.libs src/_libs ++ -rm -rf src/aarch64/.libs src/aarch64/_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 +@@ -1635,6 +1657,8 @@ distclean-generic: + -rm -f doc/$(am__dirstamp) + -rm -f src/$(DEPDIR)/$(am__dirstamp) + -rm -f src/$(am__dirstamp) ++ -rm -f src/aarch64/$(DEPDIR)/$(am__dirstamp) ++ -rm -f src/aarch64/$(am__dirstamp) + -rm -f src/alpha/$(DEPDIR)/$(am__dirstamp) + -rm -f src/alpha/$(am__dirstamp) + -rm -f src/arm/$(DEPDIR)/$(am__dirstamp) +@@ -1682,7 +1706,7 @@ clean-am: clean-aminfo clean-generic clean-libLTLIBRARIES \ + + distclean: distclean-recursive + -rm -f $(am__CONFIG_DISTCLEAN_FILES) +- -rm -rf src/$(DEPDIR) src/alpha/$(DEPDIR) src/arm/$(DEPDIR) src/avr32/$(DEPDIR) src/bfin/$(DEPDIR) src/cris/$(DEPDIR) src/frv/$(DEPDIR) src/ia64/$(DEPDIR) src/m32r/$(DEPDIR) src/m68k/$(DEPDIR) src/mips/$(DEPDIR) src/moxie/$(DEPDIR) src/pa/$(DEPDIR) src/powerpc/$(DEPDIR) src/s390/$(DEPDIR) src/sh/$(DEPDIR) src/sh64/$(DEPDIR) src/sparc/$(DEPDIR) src/x86/$(DEPDIR) ++ -rm -rf src/$(DEPDIR) src/aarch64/$(DEPDIR) src/alpha/$(DEPDIR) src/arm/$(DEPDIR) src/avr32/$(DEPDIR) src/bfin/$(DEPDIR) src/cris/$(DEPDIR) src/frv/$(DEPDIR) src/ia64/$(DEPDIR) src/m32r/$(DEPDIR) src/m68k/$(DEPDIR) src/mips/$(DEPDIR) src/moxie/$(DEPDIR) src/pa/$(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 +@@ -1802,7 +1826,7 @@ installcheck-am: + maintainer-clean: 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/avr32/$(DEPDIR) src/bfin/$(DEPDIR) src/cris/$(DEPDIR) src/frv/$(DEPDIR) src/ia64/$(DEPDIR) src/m32r/$(DEPDIR) src/m68k/$(DEPDIR) src/mips/$(DEPDIR) src/moxie/$(DEPDIR) src/pa/$(DEPDIR) src/powerpc/$(DEPDIR) src/s390/$(DEPDIR) src/sh/$(DEPDIR) src/sh64/$(DEPDIR) src/sparc/$(DEPDIR) src/x86/$(DEPDIR) ++ -rm -rf src/$(DEPDIR) src/aarch64/$(DEPDIR) src/alpha/$(DEPDIR) src/arm/$(DEPDIR) src/avr32/$(DEPDIR) src/bfin/$(DEPDIR) src/cris/$(DEPDIR) src/frv/$(DEPDIR) src/ia64/$(DEPDIR) src/m32r/$(DEPDIR) src/m68k/$(DEPDIR) src/mips/$(DEPDIR) src/moxie/$(DEPDIR) src/pa/$(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-aminfo \ + maintainer-clean-generic maintainer-clean-vti +diff --git a/README b/README +index ec240a4..9aa99f4 100644 +--- a/README ++++ b/README +@@ -51,6 +51,7 @@ tested: + |--------------+------------------| + | Architecture | Operating System | + |--------------+------------------| ++| AArch64 | Linux | + | Alpha | Linux | + | Alpha | Tru64 | + | ARM | Linux | +@@ -151,6 +152,7 @@ See the ChangeLog files for details. + + 3.0.12 XXX-XX-XX + Add Blackfin support. ++ Add AArch64 support. + + 3.0.11 Apr-11-12 + Add support for variadic functions (ffi_prep_cif_var). +@@ -320,6 +322,7 @@ Thorup. + Major processor architecture ports were contributed by the following + developers: + ++aarch64 Marcus Shawcroft, James Greenhalgh + alpha Richard Henderson + arm Raffaele Sena + cris Simon Posnjak, Hans-Peter Nilsson +diff --git a/configure b/configure +index 4ccba55..419275b 100755 +--- a/configure ++++ b/configure +@@ -649,6 +649,8 @@ AVR32_FALSE + AVR32_TRUE + ARM_FALSE + ARM_TRUE ++AARCH64_FALSE ++AARCH64_TRUE + POWERPC_FREEBSD_FALSE + POWERPC_FREEBSD_TRUE + POWERPC_DARWIN_FALSE +@@ -1478,7 +1480,7 @@ Optional Features: + Optional Packages: + --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] + --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no) +- --with-pic try to use only PIC/non-PIC objects [default=use ++ --with-pic[=PKGS] try to use only PIC/non-PIC objects [default=use + both] + --with-gnu-ld assume the C compiler uses GNU ld [default=no] + --with-sysroot=DIR Search for dependent libraries within DIR +@@ -5276,6 +5278,11 @@ else + lt_cv_sys_max_cmd_len=196608 + ;; + ++ os2*) ++ # The test takes a long time on OS/2. ++ lt_cv_sys_max_cmd_len=8192 ++ ;; ++ + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not +@@ -5315,7 +5322,7 @@ else + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. +- while { test "X"`func_fallback_echo "$teststring$teststring" 2>/dev/null` \ ++ while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test $i != 17 # 1/2 MB should be enough + do +@@ -5744,7 +5751,7 @@ irix5* | irix6* | nonstopux*) + lt_cv_deplibs_check_method=pass_all + ;; + +-# This must be Linux ELF. ++# This must be glibc/ELF. + linux* | k*bsd*-gnu | kopensolaris*-gnu) + lt_cv_deplibs_check_method=pass_all + ;; +@@ -6538,6 +6545,7 @@ for ac_symprfx in "" "_"; do + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK '"\ + " {last_section=section; section=\$ 3};"\ ++" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ + " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ + " \$ 0!~/External *\|/{next};"\ + " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +@@ -6926,7 +6934,7 @@ $as_echo "$lt_cv_cc_needs_belf" >&6; } + CFLAGS="$SAVE_CFLAGS" + fi + ;; +-sparc*-*solaris*) ++*-*solaris*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 +@@ -6937,7 +6945,20 @@ sparc*-*solaris*) + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in +- yes*) LD="${LD-ld} -m elf64_sparc" ;; ++ yes*) ++ case $host in ++ i?86-*-solaris*) ++ LD="${LD-ld} -m elf_x86_64" ++ ;; ++ sparc*-*-solaris*) ++ LD="${LD-ld} -m elf64_sparc" ++ ;; ++ esac ++ # GNU ld 2.21 introduced _sol2 emulations. Use them if available. ++ if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then ++ LD="${LD-ld}_sol2" ++ fi ++ ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" +@@ -7577,7 +7598,13 @@ else + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? +- if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then ++ # If there is a non-empty error log, and "single_module" ++ # appears in it, assume the flag caused a linker warning ++ if test -s conftest.err && $GREP single_module conftest.err; then ++ cat conftest.err >&5 ++ # Otherwise, if the output was created with a 0 exit code from ++ # the compiler, it worked. ++ elif test -f libconftest.dylib && test $_lt_result -eq 0; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&5 +@@ -7588,6 +7615,7 @@ else + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 + $as_echo "$lt_cv_apple_cc_single_mod" >&6; } ++ + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 + $as_echo_n "checking for -exported_symbols_list linker flag... " >&6; } + if ${lt_cv_ld_exported_symbols_list+:} false; then : +@@ -7620,6 +7648,7 @@ rm -f core conftest.err conftest.$ac_objext \ + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 + $as_echo "$lt_cv_ld_exported_symbols_list" >&6; } ++ + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 + $as_echo_n "checking for -force_load linker flag... " >&6; } + if ${lt_cv_ld_force_load+:} false; then : +@@ -7641,7 +7670,9 @@ _LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? +- if test -f conftest && test ! -s conftest.err && test $_lt_result = 0 && $GREP forced_load conftest 2>&1 >/dev/null; then ++ if test -s conftest.err && $GREP force_load conftest.err; then ++ cat conftest.err >&5 ++ elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&5 +@@ -8046,7 +8077,22 @@ fi + + # Check whether --with-pic was given. + if test "${with_pic+set}" = set; then : +- withval=$with_pic; pic_mode="$withval" ++ withval=$with_pic; lt_p=${PACKAGE-default} ++ case $withval in ++ yes|no) pic_mode=$withval ;; ++ *) ++ pic_mode=default ++ # Look at the argument we got. We use all the common list separators. ++ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," ++ for lt_pkg in $withval; do ++ IFS="$lt_save_ifs" ++ if test "X$lt_pkg" = "X$lt_p"; then ++ pic_mode=yes ++ fi ++ done ++ IFS="$lt_save_ifs" ++ ;; ++ esac + else + pic_mode=default + fi +@@ -8124,6 +8170,10 @@ LIBTOOL='$(SHELL) $(top_builddir)/libtool' + + + ++ ++ ++ ++ + test -z "$LN_S" && LN_S="ln -s" + + +@@ -8579,7 +8629,9 @@ lt_prog_compiler_static= + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + lt_prog_compiler_wl='-Xlinker ' +- lt_prog_compiler_pic='-Xcompiler -fPIC' ++ if test -n "$lt_prog_compiler_pic"; then ++ lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" ++ fi + ;; + esac + else +@@ -8670,18 +8722,33 @@ lt_prog_compiler_static= + ;; + *) + case `$CC -V 2>&1 | sed 5q` in +- *Sun\ F* | *Sun*Fortran*) ++ *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='' + ;; ++ *Sun\ F* | *Sun*Fortran*) ++ lt_prog_compiler_pic='-KPIC' ++ lt_prog_compiler_static='-Bstatic' ++ lt_prog_compiler_wl='-Qoption ld ' ++ ;; + *Sun\ C*) + # Sun C 5.9 + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Wl,' + ;; ++ *Intel*\ [CF]*Compiler*) ++ lt_prog_compiler_wl='-Wl,' ++ lt_prog_compiler_pic='-fPIC' ++ lt_prog_compiler_static='-static' ++ ;; ++ *Portland\ Group*) ++ lt_prog_compiler_wl='-Wl,' ++ lt_prog_compiler_pic='-fpic' ++ lt_prog_compiler_static='-Bstatic' ++ ;; + esac + ;; + esac +@@ -9043,7 +9110,6 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie + hardcode_direct=no + hardcode_direct_absolute=no + hardcode_libdir_flag_spec= +- hardcode_libdir_flag_spec_ld= + hardcode_libdir_separator= + hardcode_minus_L=no + hardcode_shlibpath_var=unsupported +@@ -9293,8 +9359,7 @@ _LT_EOF + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive' +- hardcode_libdir_flag_spec= +- hardcode_libdir_flag_spec_ld='-rpath $libdir' ++ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ +@@ -9673,6 +9738,7 @@ fi + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, )='true' + enable_shared_with_static_runtimes=yes ++ exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + old_postinstall_cmds='chmod 644 $oldlib' +@@ -9718,6 +9784,7 @@ fi + hardcode_shlibpath_var=unsupported + if test "$lt_cv_ld_force_load" = "yes"; then + whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' ++ + else + whole_archive_flag_spec='' + fi +@@ -9746,10 +9813,6 @@ fi + hardcode_shlibpath_var=no + ;; + +- freebsd1*) +- ld_shlibs=no +- ;; +- + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little +@@ -9762,7 +9825,7 @@ fi + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. +- freebsd2*) ++ freebsd2.*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_minus_L=yes +@@ -9801,7 +9864,6 @@ fi + fi + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' +- hardcode_libdir_flag_spec_ld='+b $libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + hardcode_direct_absolute=yes +@@ -10425,11 +10487,6 @@ esac + + + +- +- +- +- +- + { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 + $as_echo_n "checking dynamic linker characteristics... " >&6; } + +@@ -10519,7 +10576,7 @@ need_version=unknown + + case $host_os in + aix3*) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a' + shlibpath_var=LIBPATH + +@@ -10528,7 +10585,7 @@ aix3*) + ;; + + aix[4-9]*) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes +@@ -10593,7 +10650,7 @@ beos*) + ;; + + bsdi[45]*) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' +@@ -10732,7 +10789,7 @@ darwin* | rhapsody*) + ;; + + dgux*) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext' +@@ -10740,10 +10797,6 @@ dgux*) + shlibpath_var=LD_LIBRARY_PATH + ;; + +-freebsd1*) +- dynamic_linker=no +- ;; +- + freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. +@@ -10751,7 +10804,7 @@ freebsd* | dragonfly*) + objformat=`/usr/bin/objformat` + else + case $host_os in +- freebsd[123]*) objformat=aout ;; ++ freebsd[23].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi +@@ -10769,7 +10822,7 @@ freebsd* | dragonfly*) + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in +- freebsd2*) ++ freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) +@@ -10789,17 +10842,18 @@ freebsd* | dragonfly*) + ;; + + gnu*) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH ++ shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + + haiku*) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" +@@ -10860,7 +10914,7 @@ hpux9* | hpux10* | hpux11*) + ;; + + interix[3-9]*) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' +@@ -10876,7 +10930,7 @@ irix5* | irix6* | nonstopux*) + nonstopux*) version_type=nonstopux ;; + *) + if test "$lt_cv_prog_gnu_ld" = yes; then +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; +@@ -10913,9 +10967,9 @@ linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +-# This must be Linux ELF. ++# This must be glibc/ELF. + linux* | k*bsd*-gnu | kopensolaris*-gnu) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' +@@ -11001,7 +11055,7 @@ netbsd*) + ;; + + newsos6) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes +@@ -11070,7 +11124,7 @@ rdos*) + ;; + + solaris*) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' +@@ -11095,7 +11149,7 @@ sunos4*) + ;; + + sysv4 | sysv4.3*) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH +@@ -11119,7 +11173,7 @@ sysv4 | sysv4.3*) + + sysv4*MP*) + if test -d /usr/nec ;then +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' + soname_spec='$libname${shared_ext}.$major' + shlibpath_var=LD_LIBRARY_PATH +@@ -11150,7 +11204,7 @@ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + + tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' +@@ -11160,7 +11214,7 @@ tpf*) + ;; + + uts4*) +- version_type=linux ++ version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH +@@ -11942,6 +11996,8 @@ CC="$lt_save_CC" + + + ++ ++ + ac_config_commands="$ac_config_commands libtool" + + +@@ -13132,6 +13188,10 @@ fi + + TARGETDIR="unknown" + case "$host" in ++ aarch64*-*-*) ++ TARGET=AARCH64; TARGETDIR=aarch64 ++ ;; ++ + alpha*-*-*) + TARGET=ALPHA; TARGETDIR=alpha; + # Support 128-bit long double, changeable via command-line switch. +@@ -13431,6 +13491,14 @@ else + POWERPC_FREEBSD_FALSE= + fi + ++ if test x$TARGET = xAARCH64; then ++ AARCH64_TRUE= ++ AARCH64_FALSE='#' ++else ++ AARCH64_TRUE='#' ++ AARCH64_FALSE= ++fi ++ + if test x$TARGET = xARM; then + ARM_TRUE= + ARM_FALSE='#' +@@ -14786,6 +14854,10 @@ if test -z "${POWERPC_FREEBSD_TRUE}" && test -z "${POWERPC_FREEBSD_FALSE}"; then + as_fn_error $? "conditional \"POWERPC_FREEBSD\" was never defined. + Usually this means the macro was only invoked conditionally." "$LINENO" 5 + fi ++if test -z "${AARCH64_TRUE}" && test -z "${AARCH64_FALSE}"; then ++ as_fn_error $? "conditional \"AARCH64\" was never defined. ++Usually this means the macro was only invoked conditionally." "$LINENO" 5 ++fi + 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 +@@ -15463,6 +15535,7 @@ pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`' + enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`' + SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`' + ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`' ++PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`' + host_alias='`$ECHO "$host_alias" | $SED "$delay_single_quote_subst"`' + host='`$ECHO "$host" | $SED "$delay_single_quote_subst"`' + host_os='`$ECHO "$host_os" | $SED "$delay_single_quote_subst"`' +@@ -15545,7 +15618,6 @@ with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`' + allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`' + no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`' + hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`' +-hardcode_libdir_flag_spec_ld='`$ECHO "$hardcode_libdir_flag_spec_ld" | $SED "$delay_single_quote_subst"`' + hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`' + hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`' + hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`' +@@ -15601,6 +15673,7 @@ _LTECHO_EOF' + # Quote evaled strings. + for var in SHELL \ + ECHO \ ++PATH_SEPARATOR \ + SED \ + GREP \ + EGREP \ +@@ -15651,7 +15724,6 @@ with_gnu_ld \ + allow_undefined_flag \ + no_undefined_flag \ + hardcode_libdir_flag_spec \ +-hardcode_libdir_flag_spec_ld \ + hardcode_libdir_separator \ + exclude_expsyms \ + include_expsyms \ +@@ -16633,8 +16705,8 @@ $as_echo X"$file" | + # NOTE: Changes made to this file will be lost: look at ltmain.sh. + # + # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, +-# 2006, 2007, 2008, 2009, 2010 Free Software Foundation, +-# Inc. ++# 2006, 2007, 2008, 2009, 2010, 2011 Free Software ++# Foundation, Inc. + # Written by Gordon Matzigkeit, 1996 + # + # This file is part of GNU Libtool. +@@ -16688,6 +16760,9 @@ SHELL=$lt_SHELL + # An echo program that protects backslashes. + ECHO=$lt_ECHO + ++# The PATH separator for the build system. ++PATH_SEPARATOR=$lt_PATH_SEPARATOR ++ + # The host system. + host_alias=$host_alias + host=$host +@@ -16989,10 +17064,6 @@ no_undefined_flag=$lt_no_undefined_flag + # This must work even if \$libdir does not exist + hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec + +-# If ld is used when linking, flag to hardcode \$libdir into a binary +-# during linking. This must work even if \$libdir does not exist. +-hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld +- + # Whether we need a single "-rpath" flag with a separated argument. + hardcode_libdir_separator=$lt_hardcode_libdir_separator + +diff --git a/configure.ac b/configure.ac +index 9b946a2..8c3f40c 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -53,6 +53,10 @@ AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) + + TARGETDIR="unknown" + case "$host" in ++ aarch64*-*-*) ++ TARGET=AARCH64; TARGETDIR=aarch64 ++ ;; ++ + alpha*-*-*) + TARGET=ALPHA; TARGETDIR=alpha; + # Support 128-bit long double, changeable via command-line switch. +@@ -233,6 +237,7 @@ AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC) + AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX) + AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN) + AM_CONDITIONAL(POWERPC_FREEBSD, test x$TARGET = xPOWERPC_FREEBSD) ++AM_CONDITIONAL(AARCH64, test x$TARGET = xAARCH64) + AM_CONDITIONAL(ARM, test x$TARGET = xARM) + AM_CONDITIONAL(AVR32, test x$TARGET = xAVR32) + AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS) +diff --git a/src/aarch64/ffi.c b/src/aarch64/ffi.c +new file mode 100644 +index 0000000..1405665 +--- /dev/null ++++ b/src/aarch64/ffi.c +@@ -0,0 +1,1076 @@ ++/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. ++ ++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 ++ ++#include ++#include ++ ++#include ++ ++/* Stack alignment requirement in bytes */ ++#define AARCH64_STACK_ALIGN 16 ++ ++#define N_X_ARG_REG 8 ++#define N_V_ARG_REG 8 ++ ++#define AARCH64_FFI_WITH_V (1 << AARCH64_FFI_WITH_V_BIT) ++ ++union _d ++{ ++ UINT64 d; ++ UINT32 s[2]; ++}; ++ ++struct call_context ++{ ++ UINT64 x [AARCH64_N_XREG]; ++ struct ++ { ++ union _d d[2]; ++ } v [AARCH64_N_VREG]; ++}; ++ ++static void * ++get_x_addr (struct call_context *context, unsigned n) ++{ ++ return &context->x[n]; ++} ++ ++static void * ++get_s_addr (struct call_context *context, unsigned n) ++{ ++#if defined __AARCH64EB__ ++ return &context->v[n].d[1].s[1]; ++#else ++ return &context->v[n].d[0].s[0]; ++#endif ++} ++ ++static void * ++get_d_addr (struct call_context *context, unsigned n) ++{ ++#if defined __AARCH64EB__ ++ return &context->v[n].d[1]; ++#else ++ return &context->v[n].d[0]; ++#endif ++} ++ ++static void * ++get_v_addr (struct call_context *context, unsigned n) ++{ ++ return &context->v[n]; ++} ++ ++/* Return the memory location at which a basic type would reside ++ were it to have been stored in register n. */ ++ ++static void * ++get_basic_type_addr (unsigned short type, struct call_context *context, ++ unsigned n) ++{ ++ switch (type) ++ { ++ case FFI_TYPE_FLOAT: ++ return get_s_addr (context, n); ++ case FFI_TYPE_DOUBLE: ++ return get_d_addr (context, n); ++ case FFI_TYPE_LONGDOUBLE: ++ return get_v_addr (context, n); ++ case FFI_TYPE_UINT8: ++ case FFI_TYPE_SINT8: ++ case FFI_TYPE_UINT16: ++ case FFI_TYPE_SINT16: ++ case FFI_TYPE_UINT32: ++ case FFI_TYPE_SINT32: ++ case FFI_TYPE_INT: ++ case FFI_TYPE_POINTER: ++ case FFI_TYPE_UINT64: ++ case FFI_TYPE_SINT64: ++ return get_x_addr (context, n); ++ default: ++ FFI_ASSERT (0); ++ return NULL; ++ } ++} ++ ++/* Return the alignment width for each of the basic types. */ ++ ++static size_t ++get_basic_type_alignment (unsigned short type) ++{ ++ switch (type) ++ { ++ case FFI_TYPE_FLOAT: ++ case FFI_TYPE_DOUBLE: ++ return sizeof (UINT64); ++ case FFI_TYPE_LONGDOUBLE: ++ return sizeof (long double); ++ case FFI_TYPE_UINT8: ++ case FFI_TYPE_SINT8: ++ case FFI_TYPE_UINT16: ++ case FFI_TYPE_SINT16: ++ case FFI_TYPE_UINT32: ++ case FFI_TYPE_INT: ++ case FFI_TYPE_SINT32: ++ case FFI_TYPE_POINTER: ++ case FFI_TYPE_UINT64: ++ case FFI_TYPE_SINT64: ++ return sizeof (UINT64); ++ ++ default: ++ FFI_ASSERT (0); ++ return 0; ++ } ++} ++ ++/* Return the size in bytes for each of the basic types. */ ++ ++static size_t ++get_basic_type_size (unsigned short type) ++{ ++ switch (type) ++ { ++ case FFI_TYPE_FLOAT: ++ return sizeof (UINT32); ++ case FFI_TYPE_DOUBLE: ++ return sizeof (UINT64); ++ case FFI_TYPE_LONGDOUBLE: ++ return sizeof (long double); ++ case FFI_TYPE_UINT8: ++ return sizeof (UINT8); ++ case FFI_TYPE_SINT8: ++ return sizeof (SINT8); ++ case FFI_TYPE_UINT16: ++ return sizeof (UINT16); ++ case FFI_TYPE_SINT16: ++ return sizeof (SINT16); ++ case FFI_TYPE_UINT32: ++ return sizeof (UINT32); ++ case FFI_TYPE_INT: ++ case FFI_TYPE_SINT32: ++ return sizeof (SINT32); ++ case FFI_TYPE_POINTER: ++ case FFI_TYPE_UINT64: ++ return sizeof (UINT64); ++ case FFI_TYPE_SINT64: ++ return sizeof (SINT64); ++ ++ default: ++ FFI_ASSERT (0); ++ return 0; ++ } ++} ++ ++extern void ++ffi_call_SYSV (unsigned (*)(struct call_context *context, unsigned char *, ++ extended_cif *), ++ struct call_context *context, ++ extended_cif *, ++ unsigned, ++ void (*fn)(void)); ++ ++extern void ++ffi_closure_SYSV (ffi_closure *); ++ ++/* Test for an FFI floating point representation. */ ++ ++static unsigned ++is_floating_type (unsigned short type) ++{ ++ return (type == FFI_TYPE_FLOAT || type == FFI_TYPE_DOUBLE ++ || type == FFI_TYPE_LONGDOUBLE); ++} ++ ++/* Test for a homogeneous structure. */ ++ ++static unsigned short ++get_homogeneous_type (ffi_type *ty) ++{ ++ if (ty->type == FFI_TYPE_STRUCT && ty->elements) ++ { ++ unsigned i; ++ unsigned short candidate_type ++ = get_homogeneous_type (ty->elements[0]); ++ for (i =1; ty->elements[i]; i++) ++ { ++ unsigned short iteration_type = 0; ++ /* If we have a nested struct, we must find its homogeneous type. ++ If that fits with our candidate type, we are still ++ homogeneous. */ ++ if (ty->elements[i]->type == FFI_TYPE_STRUCT ++ && ty->elements[i]->elements) ++ { ++ iteration_type = get_homogeneous_type (ty->elements[i]); ++ } ++ else ++ { ++ iteration_type = ty->elements[i]->type; ++ } ++ ++ /* If we are not homogeneous, return FFI_TYPE_STRUCT. */ ++ if (candidate_type != iteration_type) ++ return FFI_TYPE_STRUCT; ++ } ++ return candidate_type; ++ } ++ ++ /* Base case, we have no more levels of nesting, so we ++ are a basic type, and so, trivially homogeneous in that type. */ ++ return ty->type; ++} ++ ++/* Determine the number of elements within a STRUCT. ++ ++ Note, we must handle nested structs. ++ ++ If ty is not a STRUCT this function will return 0. */ ++ ++static unsigned ++element_count (ffi_type *ty) ++{ ++ if (ty->type == FFI_TYPE_STRUCT && ty->elements) ++ { ++ unsigned n; ++ unsigned elems = 0; ++ for (n = 0; ty->elements[n]; n++) ++ { ++ if (ty->elements[n]->type == FFI_TYPE_STRUCT ++ && ty->elements[n]->elements) ++ elems += element_count (ty->elements[n]); ++ else ++ elems++; ++ } ++ return elems; ++ } ++ return 0; ++} ++ ++/* Test for a homogeneous floating point aggregate. ++ ++ A homogeneous floating point aggregate is a homogeneous aggregate of ++ a half- single- or double- precision floating point type with one ++ to four elements. Note that this includes nested structs of the ++ basic type. */ ++ ++static int ++is_hfa (ffi_type *ty) ++{ ++ if (ty->type == FFI_TYPE_STRUCT ++ && ty->elements[0] ++ && is_floating_type (get_homogeneous_type (ty))) ++ { ++ unsigned n = element_count (ty); ++ return n >= 1 && n <= 4; ++ } ++ return 0; ++} ++ ++/* Test if an ffi_type is a candidate for passing in a register. ++ ++ This test does not check that sufficient registers of the ++ appropriate class are actually available, merely that IFF ++ sufficient registers are available then the argument will be passed ++ in register(s). ++ ++ Note that an ffi_type that is deemed to be a register candidate ++ will always be returned in registers. ++ ++ Returns 1 if a register candidate else 0. */ ++ ++static int ++is_register_candidate (ffi_type *ty) ++{ ++ switch (ty->type) ++ { ++ case FFI_TYPE_VOID: ++ case FFI_TYPE_FLOAT: ++ case FFI_TYPE_DOUBLE: ++ case FFI_TYPE_LONGDOUBLE: ++ case FFI_TYPE_UINT8: ++ case FFI_TYPE_UINT16: ++ case FFI_TYPE_UINT32: ++ case FFI_TYPE_UINT64: ++ case FFI_TYPE_POINTER: ++ case FFI_TYPE_SINT8: ++ case FFI_TYPE_SINT16: ++ case FFI_TYPE_SINT32: ++ case FFI_TYPE_INT: ++ case FFI_TYPE_SINT64: ++ return 1; ++ ++ case FFI_TYPE_STRUCT: ++ if (is_hfa (ty)) ++ { ++ return 1; ++ } ++ else if (ty->size > 16) ++ { ++ /* Too large. Will be replaced with a pointer to memory. The ++ pointer MAY be passed in a register, but the value will ++ not. This test specifically fails since the argument will ++ never be passed by value in registers. */ ++ return 0; ++ } ++ else ++ { ++ /* Might be passed in registers depending on the number of ++ registers required. */ ++ return (ty->size + 7) / 8 < N_X_ARG_REG; ++ } ++ break; ++ ++ default: ++ FFI_ASSERT (0); ++ break; ++ } ++ ++ return 0; ++} ++ ++/* Test if an ffi_type argument or result is a candidate for a vector ++ register. */ ++ ++static int ++is_v_register_candidate (ffi_type *ty) ++{ ++ return is_floating_type (ty->type) ++ || (ty->type == FFI_TYPE_STRUCT && is_hfa (ty)); ++} ++ ++/* Representation of the procedure call argument marshalling ++ state. ++ ++ The terse state variable names match the names used in the AARCH64 ++ PCS. */ ++ ++struct arg_state ++{ ++ unsigned ngrn; /* Next general-purpose register number. */ ++ unsigned nsrn; /* Next vector register number. */ ++ unsigned nsaa; /* Next stack offset. */ ++}; ++ ++/* Initialize a procedure call argument marshalling state. */ ++static void ++arg_init (struct arg_state *state, unsigned call_frame_size) ++{ ++ state->ngrn = 0; ++ state->nsrn = 0; ++ state->nsaa = 0; ++} ++ ++/* Return the number of available consecutive core argument ++ registers. */ ++ ++static unsigned ++available_x (struct arg_state *state) ++{ ++ return N_X_ARG_REG - state->ngrn; ++} ++ ++/* Return the number of available consecutive vector argument ++ registers. */ ++ ++static unsigned ++available_v (struct arg_state *state) ++{ ++ return N_V_ARG_REG - state->nsrn; ++} ++ ++static void * ++allocate_to_x (struct call_context *context, struct arg_state *state) ++{ ++ FFI_ASSERT (state->ngrn < N_X_ARG_REG) ++ return get_x_addr (context, (state->ngrn)++); ++} ++ ++static void * ++allocate_to_s (struct call_context *context, struct arg_state *state) ++{ ++ FFI_ASSERT (state->nsrn < N_V_ARG_REG) ++ return get_s_addr (context, (state->nsrn)++); ++} ++ ++static void * ++allocate_to_d (struct call_context *context, struct arg_state *state) ++{ ++ FFI_ASSERT (state->nsrn < N_V_ARG_REG) ++ return get_d_addr (context, (state->nsrn)++); ++} ++ ++static void * ++allocate_to_v (struct call_context *context, struct arg_state *state) ++{ ++ FFI_ASSERT (state->nsrn < N_V_ARG_REG) ++ return get_v_addr (context, (state->nsrn)++); ++} ++ ++/* Allocate an aligned slot on the stack and return a pointer to it. */ ++static void * ++allocate_to_stack (struct arg_state *state, void *stack, unsigned alignment, ++ unsigned size) ++{ ++ void *allocation; ++ ++ /* Round up the NSAA to the larger of 8 or the natural ++ alignment of the argument's type. */ ++ state->nsaa = ALIGN (state->nsaa, alignment); ++ state->nsaa = ALIGN (state->nsaa, alignment); ++ state->nsaa = ALIGN (state->nsaa, 8); ++ ++ allocation = stack + state->nsaa; ++ ++ state->nsaa += size; ++ return allocation; ++} ++ ++static void ++copy_basic_type (void *dest, void *source, unsigned short type) ++{ ++ /* This is neccessary to ensure that basic types are copied ++ sign extended to 64-bits as libffi expects. */ ++ switch (type) ++ { ++ case FFI_TYPE_FLOAT: ++ *(float *) dest = *(float *) source; ++ break; ++ case FFI_TYPE_DOUBLE: ++ *(double *) dest = *(double *) source; ++ break; ++ case FFI_TYPE_LONGDOUBLE: ++ *(long double *) dest = *(long double *) source; ++ break; ++ case FFI_TYPE_UINT8: ++ *(ffi_arg *) dest = *(UINT8 *) source; ++ break; ++ case FFI_TYPE_SINT8: ++ *(ffi_sarg *) dest = *(SINT8 *) source; ++ break; ++ case FFI_TYPE_UINT16: ++ *(ffi_arg *) dest = *(UINT16 *) source; ++ break; ++ case FFI_TYPE_SINT16: ++ *(ffi_sarg *) dest = *(SINT16 *) source; ++ break; ++ case FFI_TYPE_UINT32: ++ *(ffi_arg *) dest = *(UINT32 *) source; ++ break; ++ case FFI_TYPE_INT: ++ case FFI_TYPE_SINT32: ++ *(ffi_sarg *) dest = *(SINT32 *) source; ++ break; ++ case FFI_TYPE_POINTER: ++ case FFI_TYPE_UINT64: ++ *(ffi_arg *) dest = *(UINT64 *) source; ++ break; ++ case FFI_TYPE_SINT64: ++ *(ffi_sarg *) dest = *(SINT64 *) source; ++ break; ++ ++ default: ++ FFI_ASSERT (0); ++ } ++} ++ ++static void ++copy_hfa_to_reg_or_stack (void *memory, ++ ffi_type *ty, ++ struct call_context *context, ++ unsigned char *stack, ++ struct arg_state *state) ++{ ++ unsigned elems = element_count (ty); ++ if (available_v (state) < elems) ++ { ++ /* There are insufficient V registers. Further V register allocations ++ are prevented, the NSAA is adjusted (by allocate_to_stack ()) ++ and the argument is copied to memory at the adjusted NSAA. */ ++ state->nsrn = N_V_ARG_REG; ++ memcpy (allocate_to_stack (state, stack, ty->alignment, ty->size), ++ memory, ++ ty->size); ++ } ++ else ++ { ++ int i; ++ unsigned short type = get_homogeneous_type (ty); ++ unsigned elems = element_count (ty); ++ for (i = 0; i < elems; i++) ++ { ++ void *reg = allocate_to_v (context, state); ++ copy_basic_type (reg, memory, type); ++ memory += get_basic_type_size (type); ++ } ++ } ++} ++ ++/* Either allocate an appropriate register for the argument type, or if ++ none are available, allocate a stack slot and return a pointer ++ to the allocated space. */ ++ ++static void * ++allocate_to_register_or_stack (struct call_context *context, ++ unsigned char *stack, ++ struct arg_state *state, ++ unsigned short type) ++{ ++ size_t alignment = get_basic_type_alignment (type); ++ size_t size = alignment; ++ switch (type) ++ { ++ case FFI_TYPE_FLOAT: ++ /* This is the only case for which the allocated stack size ++ should not match the alignment of the type. */ ++ size = sizeof (UINT32); ++ /* Fall through. */ ++ case FFI_TYPE_DOUBLE: ++ if (state->nsrn < N_V_ARG_REG) ++ return allocate_to_d (context, state); ++ state->nsrn = N_V_ARG_REG; ++ break; ++ case FFI_TYPE_LONGDOUBLE: ++ if (state->nsrn < N_V_ARG_REG) ++ return allocate_to_v (context, state); ++ state->nsrn = N_V_ARG_REG; ++ break; ++ case FFI_TYPE_UINT8: ++ case FFI_TYPE_SINT8: ++ case FFI_TYPE_UINT16: ++ case FFI_TYPE_SINT16: ++ case FFI_TYPE_UINT32: ++ case FFI_TYPE_SINT32: ++ case FFI_TYPE_INT: ++ case FFI_TYPE_POINTER: ++ case FFI_TYPE_UINT64: ++ case FFI_TYPE_SINT64: ++ if (state->ngrn < N_X_ARG_REG) ++ return allocate_to_x (context, state); ++ state->ngrn = N_X_ARG_REG; ++ break; ++ default: ++ FFI_ASSERT (0); ++ } ++ ++ return allocate_to_stack (state, stack, alignment, size); ++} ++ ++/* Copy a value to an appropriate register, or if none are ++ available, to the stack. */ ++ ++static void ++copy_to_register_or_stack (struct call_context *context, ++ unsigned char *stack, ++ struct arg_state *state, ++ void *value, ++ unsigned short type) ++{ ++ copy_basic_type ( ++ allocate_to_register_or_stack (context, stack, state, type), ++ value, ++ type); ++} ++ ++/* Marshall the arguments from FFI representation to procedure call ++ context and stack. */ ++ ++static unsigned ++aarch64_prep_args (struct call_context *context, unsigned char *stack, ++ extended_cif *ecif) ++{ ++ int i; ++ struct arg_state state; ++ ++ arg_init (&state, ALIGN(ecif->cif->bytes, 16)); ++ ++ for (i = 0; i < ecif->cif->nargs; i++) ++ { ++ ffi_type *ty = ecif->cif->arg_types[i]; ++ switch (ty->type) ++ { ++ case FFI_TYPE_VOID: ++ FFI_ASSERT (0); ++ break; ++ ++ /* If the argument is a basic type the argument is allocated to an ++ appropriate register, or if none are available, to the stack. */ ++ case FFI_TYPE_FLOAT: ++ case FFI_TYPE_DOUBLE: ++ case FFI_TYPE_LONGDOUBLE: ++ case FFI_TYPE_UINT8: ++ case FFI_TYPE_SINT8: ++ case FFI_TYPE_UINT16: ++ case FFI_TYPE_SINT16: ++ case FFI_TYPE_UINT32: ++ case FFI_TYPE_INT: ++ case FFI_TYPE_SINT32: ++ case FFI_TYPE_POINTER: ++ case FFI_TYPE_UINT64: ++ case FFI_TYPE_SINT64: ++ copy_to_register_or_stack (context, stack, &state, ++ ecif->avalue[i], ty->type); ++ break; ++ ++ case FFI_TYPE_STRUCT: ++ if (is_hfa (ty)) ++ { ++ copy_hfa_to_reg_or_stack (ecif->avalue[i], ty, context, ++ stack, &state); ++ } ++ else if (ty->size > 16) ++ { ++ /* If the argument is a composite type that is larger than 16 ++ bytes, then the argument has been copied to memory, and ++ the argument is replaced by a pointer to the copy. */ ++ ++ copy_to_register_or_stack (context, stack, &state, ++ &(ecif->avalue[i]), FFI_TYPE_POINTER); ++ } ++ else if (available_x (&state) >= (ty->size + 7) / 8) ++ { ++ /* If the argument is a composite type and the size in ++ double-words is not more than the number of available ++ X registers, then the argument is copied into consecutive ++ X registers. */ ++ int j; ++ for (j = 0; j < (ty->size + 7) / 8; j++) ++ { ++ memcpy (allocate_to_x (context, &state), ++ &(((UINT64 *) ecif->avalue[i])[j]), ++ sizeof (UINT64)); ++ } ++ } ++ else ++ { ++ /* Otherwise, there are insufficient X registers. Further X ++ register allocations are prevented, the NSAA is adjusted ++ (by allocate_to_stack ()) and the argument is copied to ++ memory at the adjusted NSAA. */ ++ state.ngrn = N_X_ARG_REG; ++ ++ memcpy (allocate_to_stack (&state, stack, ty->alignment, ++ ty->size), ecif->avalue + i, ty->size); ++ } ++ break; ++ ++ default: ++ FFI_ASSERT (0); ++ break; ++ } ++ } ++ ++ return ecif->cif->aarch64_flags; ++} ++ ++ffi_status ++ffi_prep_cif_machdep (ffi_cif *cif) ++{ ++ /* Round the stack up to a multiple of the stack alignment requirement. */ ++ cif->bytes = ++ (cif->bytes + (AARCH64_STACK_ALIGN - 1)) & ~ (AARCH64_STACK_ALIGN - 1); ++ ++ /* Initialize our flags. We are interested if this CIF will touch a ++ vector register, if so we will enable context save and load to ++ those registers, otherwise not. This is intended to be friendly ++ to lazy float context switching in the kernel. */ ++ cif->aarch64_flags = 0; ++ ++ if (is_v_register_candidate (cif->rtype)) ++ { ++ cif->aarch64_flags |= AARCH64_FFI_WITH_V; ++ } ++ else ++ { ++ int i; ++ for (i = 0; i < cif->nargs; i++) ++ if (is_v_register_candidate (cif->arg_types[i])) ++ { ++ cif->aarch64_flags |= AARCH64_FFI_WITH_V; ++ break; ++ } ++ } ++ ++ return FFI_OK; ++} ++ ++/* Call a function with the provided arguments and capture the return ++ value. */ ++void ++ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue) ++{ ++ extended_cif ecif; ++ ++ ecif.cif = cif; ++ ecif.avalue = avalue; ++ ecif.rvalue = rvalue; ++ ++ switch (cif->abi) ++ { ++ case FFI_SYSV: ++ { ++ struct call_context context; ++ unsigned stack_bytes; ++ ++ /* Figure out the total amount of stack space we need, the ++ above call frame space needs to be 16 bytes aligned to ++ ensure correct alignment of the first object inserted in ++ that space hence the ALIGN applied to cif->bytes.*/ ++ stack_bytes = ALIGN(cif->bytes, 16); ++ ++ memset (&context, 0, sizeof (context)); ++ if (is_register_candidate (cif->rtype)) ++ { ++ ffi_call_SYSV (aarch64_prep_args, &context, &ecif, stack_bytes, fn); ++ switch (cif->rtype->type) ++ { ++ case FFI_TYPE_VOID: ++ case FFI_TYPE_FLOAT: ++ case FFI_TYPE_DOUBLE: ++ case FFI_TYPE_LONGDOUBLE: ++ case FFI_TYPE_UINT8: ++ case FFI_TYPE_SINT8: ++ case FFI_TYPE_UINT16: ++ case FFI_TYPE_SINT16: ++ case FFI_TYPE_UINT32: ++ case FFI_TYPE_SINT32: ++ case FFI_TYPE_POINTER: ++ case FFI_TYPE_UINT64: ++ case FFI_TYPE_INT: ++ case FFI_TYPE_SINT64: ++ { ++ void *addr = get_basic_type_addr (cif->rtype->type, ++ &context, 0); ++ copy_basic_type (rvalue, addr, cif->rtype->type); ++ break; ++ } ++ ++ case FFI_TYPE_STRUCT: ++ if (is_hfa (cif->rtype)) ++ { ++ int j; ++ unsigned short type = get_homogeneous_type (cif->rtype); ++ unsigned elems = element_count (cif->rtype); ++ for (j = 0; j < elems; j++) ++ { ++ void *reg = get_basic_type_addr (type, &context, j); ++ copy_basic_type (rvalue, reg, type); ++ rvalue += get_basic_type_size (type); ++ } ++ } ++ else if ((cif->rtype->size + 7) / 8 < N_X_ARG_REG) ++ { ++ unsigned size = ALIGN (cif->rtype->size, sizeof (UINT64)); ++ memcpy (rvalue, get_x_addr (&context, 0), size); ++ } ++ else ++ { ++ FFI_ASSERT (0); ++ } ++ break; ++ ++ default: ++ FFI_ASSERT (0); ++ break; ++ } ++ } ++ else ++ { ++ memcpy (get_x_addr (&context, 8), &rvalue, sizeof (UINT64)); ++ ffi_call_SYSV (aarch64_prep_args, &context, &ecif, ++ stack_bytes, fn); ++ } ++ break; ++ } ++ ++ default: ++ FFI_ASSERT (0); ++ break; ++ } ++} ++ ++static unsigned char trampoline [] = ++{ 0x70, 0x00, 0x00, 0x58, /* ldr x16, 1f */ ++ 0x91, 0x00, 0x00, 0x10, /* adr x17, 2f */ ++ 0x00, 0x02, 0x1f, 0xd6 /* br x16 */ ++}; ++ ++/* Build a trampoline. */ ++ ++#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX,FLAGS) \ ++ ({unsigned char *__tramp = (unsigned char*)(TRAMP); \ ++ UINT64 __fun = (UINT64)(FUN); \ ++ UINT64 __ctx = (UINT64)(CTX); \ ++ UINT64 __flags = (UINT64)(FLAGS); \ ++ memcpy (__tramp, trampoline, sizeof (trampoline)); \ ++ memcpy (__tramp + 12, &__fun, sizeof (__fun)); \ ++ memcpy (__tramp + 20, &__ctx, sizeof (__ctx)); \ ++ memcpy (__tramp + 28, &__flags, sizeof (__flags)); \ ++ __clear_cache(__tramp, __tramp + FFI_TRAMPOLINE_SIZE); \ ++ }) ++ ++ffi_status ++ffi_prep_closure_loc (ffi_closure* closure, ++ ffi_cif* cif, ++ void (*fun)(ffi_cif*,void*,void**,void*), ++ void *user_data, ++ void *codeloc) ++{ ++ if (cif->abi != FFI_SYSV) ++ return FFI_BAD_ABI; ++ ++ FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_SYSV, codeloc, ++ cif->aarch64_flags); ++ ++ closure->cif = cif; ++ closure->user_data = user_data; ++ closure->fun = fun; ++ ++ return FFI_OK; ++} ++ ++/* Primary handler to setup and invoke a function within a closure. ++ ++ A closure when invoked enters via the assembler wrapper ++ ffi_closure_SYSV(). The wrapper allocates a call context on the ++ stack, saves the interesting registers (from the perspective of ++ the calling convention) into the context then passes control to ++ ffi_closure_SYSV_inner() passing the saved context and a pointer to ++ the stack at the point ffi_closure_SYSV() was invoked. ++ ++ On the return path the assembler wrapper will reload call context ++ regsiters. ++ ++ ffi_closure_SYSV_inner() marshalls the call context into ffi value ++ desriptors, invokes the wrapped function, then marshalls the return ++ value back into the call context. */ ++ ++void ++ffi_closure_SYSV_inner (ffi_closure *closure, struct call_context *context, ++ void *stack) ++{ ++ ffi_cif *cif = closure->cif; ++ void **avalue = (void**) alloca (cif->nargs * sizeof (void*)); ++ void *rvalue = NULL; ++ int i; ++ struct arg_state state; ++ ++ arg_init (&state, ALIGN(cif->bytes, 16)); ++ ++ for (i = 0; i < cif->nargs; i++) ++ { ++ ffi_type *ty = cif->arg_types[i]; ++ ++ switch (ty->type) ++ { ++ case FFI_TYPE_VOID: ++ FFI_ASSERT (0); ++ break; ++ ++ case FFI_TYPE_UINT8: ++ case FFI_TYPE_SINT8: ++ case FFI_TYPE_UINT16: ++ case FFI_TYPE_SINT16: ++ case FFI_TYPE_UINT32: ++ case FFI_TYPE_SINT32: ++ case FFI_TYPE_INT: ++ case FFI_TYPE_POINTER: ++ case FFI_TYPE_UINT64: ++ case FFI_TYPE_SINT64: ++ case FFI_TYPE_FLOAT: ++ case FFI_TYPE_DOUBLE: ++ case FFI_TYPE_LONGDOUBLE: ++ avalue[i] = allocate_to_register_or_stack (context, stack, ++ &state, ty->type); ++ break; ++ ++ case FFI_TYPE_STRUCT: ++ if (is_hfa (ty)) ++ { ++ unsigned n = element_count (ty); ++ if (available_v (&state) < n) ++ { ++ state.nsrn = N_V_ARG_REG; ++ avalue[i] = allocate_to_stack (&state, stack, ty->alignment, ++ ty->size); ++ } ++ else ++ { ++ switch (get_homogeneous_type (ty)) ++ { ++ case FFI_TYPE_FLOAT: ++ { ++ /* Eeek! We need a pointer to the structure, ++ however the homogeneous float elements are ++ being passed in individual S registers, ++ therefore the structure is not represented as ++ a contiguous sequence of bytes in our saved ++ register context. We need to fake up a copy ++ of the structure layed out in memory ++ correctly. The fake can be tossed once the ++ closure function has returned hence alloca() ++ is sufficient. */ ++ int j; ++ UINT32 *p = avalue[i] = alloca (ty->size); ++ for (j = 0; j < element_count (ty); j++) ++ memcpy (&p[j], ++ allocate_to_s (context, &state), ++ sizeof (*p)); ++ break; ++ } ++ ++ case FFI_TYPE_DOUBLE: ++ { ++ /* Eeek! We need a pointer to the structure, ++ however the homogeneous float elements are ++ being passed in individual S registers, ++ therefore the structure is not represented as ++ a contiguous sequence of bytes in our saved ++ register context. We need to fake up a copy ++ of the structure layed out in memory ++ correctly. The fake can be tossed once the ++ closure function has returned hence alloca() ++ is sufficient. */ ++ int j; ++ UINT64 *p = avalue[i] = alloca (ty->size); ++ for (j = 0; j < element_count (ty); j++) ++ memcpy (&p[j], ++ allocate_to_d (context, &state), ++ sizeof (*p)); ++ break; ++ } ++ ++ case FFI_TYPE_LONGDOUBLE: ++ memcpy (&avalue[i], ++ allocate_to_v (context, &state), ++ sizeof (*avalue)); ++ break; ++ ++ default: ++ FFI_ASSERT (0); ++ break; ++ } ++ } ++ } ++ else if (ty->size > 16) ++ { ++ /* Replace Composite type of size greater than 16 with a ++ pointer. */ ++ memcpy (&avalue[i], ++ allocate_to_register_or_stack (context, stack, ++ &state, FFI_TYPE_POINTER), ++ sizeof (avalue[i])); ++ } ++ else if (available_x (&state) >= (ty->size + 7) / 8) ++ { ++ avalue[i] = get_x_addr (context, state.ngrn); ++ state.ngrn += (ty->size + 7) / 8; ++ } ++ else ++ { ++ state.ngrn = N_X_ARG_REG; ++ ++ avalue[i] = allocate_to_stack (&state, stack, ty->alignment, ++ ty->size); ++ } ++ break; ++ ++ default: ++ FFI_ASSERT (0); ++ break; ++ } ++ } ++ ++ /* Figure out where the return value will be passed, either in ++ registers or in a memory block allocated by the caller and passed ++ in x8. */ ++ ++ if (is_register_candidate (cif->rtype)) ++ { ++ /* Register candidates are *always* returned in registers. */ ++ ++ /* Allocate a scratchpad for the return value, we will let the ++ callee scrible the result into the scratch pad then move the ++ contents into the appropriate return value location for the ++ call convention. */ ++ rvalue = alloca (cif->rtype->size); ++ (closure->fun) (cif, rvalue, avalue, closure->user_data); ++ ++ /* Copy the return value into the call context so that it is returned ++ as expected to our caller. */ ++ switch (cif->rtype->type) ++ { ++ case FFI_TYPE_VOID: ++ break; ++ ++ case FFI_TYPE_UINT8: ++ case FFI_TYPE_UINT16: ++ case FFI_TYPE_UINT32: ++ case FFI_TYPE_POINTER: ++ case FFI_TYPE_UINT64: ++ case FFI_TYPE_SINT8: ++ case FFI_TYPE_SINT16: ++ case FFI_TYPE_INT: ++ case FFI_TYPE_SINT32: ++ case FFI_TYPE_SINT64: ++ case FFI_TYPE_FLOAT: ++ case FFI_TYPE_DOUBLE: ++ case FFI_TYPE_LONGDOUBLE: ++ { ++ void *addr = get_basic_type_addr (cif->rtype->type, context, 0); ++ copy_basic_type (addr, rvalue, cif->rtype->type); ++ break; ++ } ++ case FFI_TYPE_STRUCT: ++ if (is_hfa (cif->rtype)) ++ { ++ int i; ++ unsigned short type = get_homogeneous_type (cif->rtype); ++ unsigned elems = element_count (cif->rtype); ++ for (i = 0; i < elems; i++) ++ { ++ void *reg = get_basic_type_addr (type, context, i); ++ copy_basic_type (reg, rvalue, type); ++ rvalue += get_basic_type_size (type); ++ } ++ } ++ else if ((cif->rtype->size + 7) / 8 < N_X_ARG_REG) ++ { ++ unsigned size = ALIGN (cif->rtype->size, sizeof (UINT64)) ; ++ memcpy (get_x_addr (context, 0), rvalue, size); ++ } ++ else ++ { ++ FFI_ASSERT (0); ++ } ++ break; ++ default: ++ FFI_ASSERT (0); ++ break; ++ } ++ } ++ else ++ { ++ memcpy (&rvalue, get_x_addr (context, 8), sizeof (UINT64)); ++ (closure->fun) (cif, rvalue, avalue, closure->user_data); ++ } ++} ++ +diff --git a/src/aarch64/ffitarget.h b/src/aarch64/ffitarget.h +new file mode 100644 +index 0000000..6f1a348 +--- /dev/null ++++ b/src/aarch64/ffitarget.h +@@ -0,0 +1,59 @@ ++/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. ++ ++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_H ++#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead." ++#endif ++ ++#ifndef LIBFFI_ASM ++typedef unsigned long ffi_arg; ++typedef signed long ffi_sarg; ++ ++typedef enum ffi_abi ++ { ++ FFI_FIRST_ABI = 0, ++ FFI_SYSV, ++ FFI_LAST_ABI, ++ FFI_DEFAULT_ABI = FFI_SYSV ++ } ffi_abi; ++#endif ++ ++/* ---- Definitions for closures ----------------------------------------- */ ++ ++#define FFI_CLOSURES 1 ++#define FFI_TRAMPOLINE_SIZE 36 ++#define FFI_NATIVE_RAW_API 0 ++ ++/* ---- Internal ---- */ ++ ++ ++#define FFI_EXTRA_CIF_FIELDS unsigned aarch64_flags ++ ++#define AARCH64_FFI_WITH_V_BIT 0 ++ ++#define AARCH64_N_XREG 32 ++#define AARCH64_N_VREG 32 ++#define AARCH64_CALL_CONTEXT_SIZE (AARCH64_N_XREG * 8 + AARCH64_N_VREG * 16) ++ ++#endif +diff --git a/src/aarch64/sysv.S b/src/aarch64/sysv.S +new file mode 100644 +index 0000000..b8cd421 +--- /dev/null ++++ b/src/aarch64/sysv.S +@@ -0,0 +1,307 @@ ++/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. ++ ++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 ++#include ++ ++#define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off ++#define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off ++#define cfi_restore(reg) .cfi_restore reg ++#define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg ++ ++ .text ++ .globl ffi_call_SYSV ++ .type ffi_call_SYSV, #function ++ ++/* ffi_call_SYSV() ++ ++ Create a stack frame, setup an argument context, call the callee ++ and extract the result. ++ ++ The maximum required argument stack size is provided, ++ ffi_call_SYSV() allocates that stack space then calls the ++ prepare_fn to populate register context and stack. The ++ argument passing registers are loaded from the register ++ context and the callee called, on return the register passing ++ register are saved back to the context. Our caller will ++ extract the return value from the final state of the saved ++ register context. ++ ++ Prototype: ++ ++ extern unsigned ++ ffi_call_SYSV (void (*)(struct call_context *context, unsigned char *, ++ extended_cif *), ++ struct call_context *context, ++ extended_cif *, ++ unsigned required_stack_size, ++ void (*fn)(void)); ++ ++ Therefore on entry we have: ++ ++ x0 prepare_fn ++ x1 &context ++ x2 &ecif ++ x3 bytes ++ x4 fn ++ ++ This function uses the following stack frame layout: ++ ++ == ++ saved x30(lr) ++ x29(fp)-> saved x29(fp) ++ saved x24 ++ saved x23 ++ saved x22 ++ sp' -> saved x21 ++ ... ++ sp -> (constructed callee stack arguments) ++ == ++ ++ Voila! */ ++ ++#define ffi_call_SYSV_FS (8 * 4) ++ ++ .cfi_startproc ++ffi_call_SYSV: ++ stp x29, x30, [sp, #-16]! ++ cfi_adjust_cfa_offset (16) ++ cfi_rel_offset (x29, 0) ++ cfi_rel_offset (x30, 8) ++ ++ mov x29, sp ++ cfi_def_cfa_register (x29) ++ sub sp, sp, #ffi_call_SYSV_FS ++ ++ stp x21, x22, [sp, 0] ++ cfi_rel_offset (x21, 0 - ffi_call_SYSV_FS) ++ cfi_rel_offset (x22, 8 - ffi_call_SYSV_FS) ++ ++ stp x23, x24, [sp, 16] ++ cfi_rel_offset (x23, 16 - ffi_call_SYSV_FS) ++ cfi_rel_offset (x24, 24 - ffi_call_SYSV_FS) ++ ++ mov x21, x1 ++ mov x22, x2 ++ mov x24, x4 ++ ++ /* Allocate the stack space for the actual arguments, many ++ arguments will be passed in registers, but we assume ++ worst case and allocate sufficient stack for ALL of ++ the arguments. */ ++ sub sp, sp, x3 ++ ++ /* unsigned (*prepare_fn) (struct call_context *context, ++ unsigned char *stack, extended_cif *ecif); ++ */ ++ mov x23, x0 ++ mov x0, x1 ++ mov x1, sp ++ /* x2 already in place */ ++ blr x23 ++ ++ /* Preserve the flags returned. */ ++ mov x23, x0 ++ ++ /* Figure out if we should touch the vector registers. */ ++ tbz x23, #AARCH64_FFI_WITH_V_BIT, 1f ++ ++ /* Load the vector argument passing registers. */ ++ ldp q0, q1, [x21, #8*32 + 0] ++ ldp q2, q3, [x21, #8*32 + 32] ++ ldp q4, q5, [x21, #8*32 + 64] ++ ldp q6, q7, [x21, #8*32 + 96] ++1: ++ /* Load the core argument passing registers. */ ++ ldp x0, x1, [x21, #0] ++ ldp x2, x3, [x21, #16] ++ ldp x4, x5, [x21, #32] ++ ldp x6, x7, [x21, #48] ++ ++ /* Don't forget x8 which may be holding the address of a return buffer. ++ */ ++ ldr x8, [x21, #8*8] ++ ++ blr x24 ++ ++ /* Save the core argument passing registers. */ ++ stp x0, x1, [x21, #0] ++ stp x2, x3, [x21, #16] ++ stp x4, x5, [x21, #32] ++ stp x6, x7, [x21, #48] ++ ++ /* Note nothing useful ever comes back in x8! */ ++ ++ /* Figure out if we should touch the vector registers. */ ++ tbz x23, #AARCH64_FFI_WITH_V_BIT, 1f ++ ++ /* Save the vector argument passing registers. */ ++ stp q0, q1, [x21, #8*32 + 0] ++ stp q2, q3, [x21, #8*32 + 32] ++ stp q4, q5, [x21, #8*32 + 64] ++ stp q6, q7, [x21, #8*32 + 96] ++1: ++ /* All done, unwind our stack frame. */ ++ ldp x21, x22, [x29, # - ffi_call_SYSV_FS] ++ cfi_restore (x21) ++ cfi_restore (x22) ++ ++ ldp x23, x24, [x29, # - ffi_call_SYSV_FS + 16] ++ cfi_restore (x23) ++ cfi_restore (x24) ++ ++ mov sp, x29 ++ cfi_def_cfa_register (sp) ++ ++ ldp x29, x30, [sp], #16 ++ cfi_adjust_cfa_offset (-16) ++ cfi_restore (x29) ++ cfi_restore (x30) ++ ++ ret ++ ++ .cfi_endproc ++ .size ffi_call_SYSV, .-ffi_call_SYSV ++ ++#define ffi_closure_SYSV_FS (8 * 2 + AARCH64_CALL_CONTEXT_SIZE) ++ ++/* ffi_closure_SYSV ++ ++ Closure invocation glue. This is the low level code invoked directly by ++ the closure trampoline to setup and call a closure. ++ ++ On entry x17 points to a struct trampoline_data, x16 has been clobbered ++ all other registers are preserved. ++ ++ We allocate a call context and save the argument passing registers, ++ then invoked the generic C ffi_closure_SYSV_inner() function to do all ++ the real work, on return we load the result passing registers back from ++ the call context. ++ ++ On entry ++ ++ extern void ++ ffi_closure_SYSV (struct trampoline_data *); ++ ++ struct trampoline_data ++ { ++ UINT64 *ffi_closure; ++ UINT64 flags; ++ }; ++ ++ This function uses the following stack frame layout: ++ ++ == ++ saved x30(lr) ++ x29(fp)-> saved x29(fp) ++ saved x22 ++ saved x21 ++ ... ++ sp -> call_context ++ == ++ ++ Voila! */ ++ ++ .text ++ .globl ffi_closure_SYSV ++ .cfi_startproc ++ffi_closure_SYSV: ++ stp x29, x30, [sp, #-16]! ++ cfi_adjust_cfa_offset (16) ++ cfi_rel_offset (x29, 0) ++ cfi_rel_offset (x30, 8) ++ ++ mov x29, sp ++ ++ sub sp, sp, #ffi_closure_SYSV_FS ++ cfi_adjust_cfa_offset (ffi_closure_SYSV_FS) ++ ++ stp x21, x22, [x29, #-16] ++ cfi_rel_offset (x21, 0) ++ cfi_rel_offset (x22, 8) ++ ++ /* Load x21 with &call_context. */ ++ mov x21, sp ++ /* Preserve our struct trampoline_data * */ ++ mov x22, x17 ++ ++ /* Save the rest of the argument passing registers. */ ++ stp x0, x1, [x21, #0] ++ stp x2, x3, [x21, #16] ++ stp x4, x5, [x21, #32] ++ stp x6, x7, [x21, #48] ++ /* Don't forget we may have been given a result scratch pad address. ++ */ ++ str x8, [x21, #64] ++ ++ /* Figure out if we should touch the vector registers. */ ++ ldr x0, [x22, #8] ++ tbz x0, #AARCH64_FFI_WITH_V_BIT, 1f ++ ++ /* Save the argument passing vector registers. */ ++ stp q0, q1, [x21, #8*32 + 0] ++ stp q2, q3, [x21, #8*32 + 32] ++ stp q4, q5, [x21, #8*32 + 64] ++ stp q6, q7, [x21, #8*32 + 96] ++1: ++ /* Load &ffi_closure.. */ ++ ldr x0, [x22, #0] ++ mov x1, x21 ++ /* Compute the location of the stack at the point that the ++ trampoline was called. */ ++ add x2, x29, #16 ++ ++ bl ffi_closure_SYSV_inner ++ ++ /* Figure out if we should touch the vector registers. */ ++ ldr x0, [x22, #8] ++ tbz x0, #AARCH64_FFI_WITH_V_BIT, 1f ++ ++ /* Load the result passing vector registers. */ ++ ldp q0, q1, [x21, #8*32 + 0] ++ ldp q2, q3, [x21, #8*32 + 32] ++ ldp q4, q5, [x21, #8*32 + 64] ++ ldp q6, q7, [x21, #8*32 + 96] ++1: ++ /* Load the result passing core registers. */ ++ ldp x0, x1, [x21, #0] ++ ldp x2, x3, [x21, #16] ++ ldp x4, x5, [x21, #32] ++ ldp x6, x7, [x21, #48] ++ /* Note nothing usefull is returned in x8. */ ++ ++ /* We are done, unwind our frame. */ ++ ldp x21, x22, [x29, #-16] ++ cfi_restore (x21) ++ cfi_restore (x22) ++ ++ mov sp, x29 ++ cfi_adjust_cfa_offset (-ffi_closure_SYSV_FS) ++ ++ ldp x29, x30, [sp], #16 ++ cfi_adjust_cfa_offset (-16) ++ cfi_restore (x29) ++ cfi_restore (x30) ++ ++ ret ++ .cfi_endproc ++ .size ffi_closure_SYSV, .-ffi_closure_SYSV +diff --git a/testsuite/lib/libffi.exp b/testsuite/lib/libffi.exp +index 4a65ed1..8ee3f15 100644 +--- a/testsuite/lib/libffi.exp ++++ b/testsuite/lib/libffi.exp +@@ -203,6 +203,10 @@ proc libffi_target_compile { source dest type options } { + + lappend options "libs= -lffi" + ++ if { [string match "aarch64*-*-linux*" $target_triplet] } { ++ lappend options "libs= -lpthread" ++ } ++ + verbose "options: $options" + return [target_compile $source $dest $type $options] + } +-- +1.7.9.5 + -- cgit v1.2.3