Port upstream libffi 3.4.4 for x86_64

This change ports the parts of libffi 3.4.4 relevant to x86 to unikraft.

Signed-off-by: Andrei Tatar <andrei@unikraft.io>

Config.uk

@@ -0,0 +1,10 @@
+menuconfig LIBFFI
+    bool "libffi - Portable Foreign Function Interface Library"
+    default n
+
+if LIBFFI
+    config LIBFFI_TYPES
+    bool "Provide ffi_type_* definitions"
+    default n
+
+endif

Makefile.uk

@@ -0,0 +1,103 @@
+#  libffi Makefile.uk
+#
+#  Authors: Andrei Tatar <andrei@unikraft.io>
+#
+#  Copyright (c) 2023, Unikraft GmbH and The Unikraft Authors.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  1. Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#  2. Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#  3. Neither the name of the copyright holder nor the names of its
+#     contributors may be used to endorse or promote products derived from
+#     this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+#  POSSIBILITY OF SUCH DAMAGE.
+#
+
+################################################################################
+# Library registration
+################################################################################
+$(eval $(call addlib_s,libffi,$(CONFIG_LIBFFI)))
+
+################################################################################
+# Sources
+################################################################################
+LIBFFI_VERSION=3.4.4
+LIBFFI_URL=https://github.com/libffi/libffi/releases/download/v$(LIBFFI_VERSION)/libffi-$(LIBFFI_VERSION).tar.gz
+LIBFFI_DIRNAME=libffi-$(LIBFFI_VERSION)
+LIBFFI_PATCHDIR=$(LIBFFI_BASE)/patches
+$(eval $(call fetch,libffi,$(LIBFFI_URL)))
+$(eval $(call patch,libffi,$(LIBFFI_PATCHDIR),$(LIBFFI_DIRNAME)))
+
+################################################################################
+# Helpers
+################################################################################
+LIBFFI_SRC = $(LIBFFI_ORIGIN)/$(LIBFFI_DIRNAME)
+
+################################################################################
+# Library includes
+################################################################################
+# API
+LIBFFI__X86API += -I$(LIBFFI_BASE)/arch/x86_64/include
+
+ifeq ($(CONFIG_ARCH_X86_64),y)
+CINCLUDES-$(CONFIG_LIBFFI) += $(LIBFFI__X86API)
+CXXINCLUDES-$(CONFIG_LIBFFI) += $(LIBFFI__X86API)
+ASINCLUDES-$(CONFIG_LIBFFI) += $(LIBFFI__X86API)
+endif
+
+# Internal
+LIBFFI_INCLUDES-$(CONFIG_ARCH_X86_64) += -I$(LIBFFI_BASE)/arch/x86_64
+LIBFFI_INCLUDES-y += -I$(LIBFFI_SRC)
+LIBFFI_INCLUDES-y += -I$(LIBFFI_SRC)/include
+LIBFFI_INCLUDES-y += -I$(LIBFFI_SRC)/src
+
+LIBFFI_CINCLUDES-y += $(LIBFFI_INCLUDES-y)
+LIBFFI_ASINCLUDES-y += $(LIBFFI_INCLUDES-y)
+
+################################################################################
+# Global flags
+################################################################################
+LIBFFI_COMMONFLAGS += -DHAVE_CONFIG_H
+LIBFFI_COMMONFLAGS += -D__linux__
+LIBFFI_FLAGS += -fstrict-aliasing
+LIBFFI_FLAGS += -ffast-math
+LIBFFI_FLAGS += -fexceptions
+LIBFFI_FLAGS += -Wall
+
+LIBFFI_CFLAGS += $(LIBFFI_COMMONFLAGS) $(LIBFFI_FLAGS)
+LIBFFI_ASFLAGS += $(LIBFFI_COMMONFLAGS)
+
+################################################################################
+# Library sources
+################################################################################
+# These are taken from what upstream builds and sorted in alphabetical order.
+# Please maintain this ordering when updating the library.
+################################################################################
+LIBFFI_SRCS-y += $(LIBFFI_SRC)/src/closures.c
+LIBFFI_SRCS-y += $(LIBFFI_SRC)/src/java_raw_api.c
+LIBFFI_SRCS-y += $(LIBFFI_SRC)/src/prep_cif.c
+LIBFFI_SRCS-y += $(LIBFFI_SRC)/src/raw_api.c
+LIBFFI_SRCS-y += $(LIBFFI_SRC)/src/tramp.c
+LIBFFI_SRCS-$(CONFIG_LIBFFI_TYPES) += $(LIBFFI_SRC)/src/types.c
+
+LIBFFI_SRCS-$(CONFIG_ARCH_X86_64) += $(LIBFFI_SRC)/src/x86/ffi64.c
+LIBFFI_SRCS-$(CONFIG_ARCH_X86_64) += $(LIBFFI_SRC)/src/x86/ffiw64.c
+LIBFFI_SRCS-$(CONFIG_ARCH_X86_64) += $(LIBFFI_SRC)/src/x86/unix64.S
+LIBFFI_SRCS-$(CONFIG_ARCH_X86_64) += $(LIBFFI_SRC)/src/x86/win64.S

arch/x86_64/fficonfig.h

@@ -0,0 +1,227 @@
+/* fficonfig.h.  Generated from fficonfig.h.in by configure.  */
+/* fficonfig.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define if building universal (internal helper macro) */
+/* #undef AC_APPLE_UNIVERSAL_BUILD */
+
+/* Define to 1 if using 'alloca.c'. */
+/* #undef C_ALLOCA */
+
+/* Define to the flags needed for the .section .eh_frame directive. */
+#define EH_FRAME_FLAGS "a"
+
+/* Define this if you want extra debugging. */
+/* #undef FFI_DEBUG */
+
+/* Define this if you want statically defined trampolines */
+#define FFI_EXEC_STATIC_TRAMP 1
+
+/* Cannot use PROT_EXEC on this target, so, we revert to alternative means */
+/* #undef FFI_EXEC_TRAMPOLINE_TABLE */
+
+/* Define this if you want to enable pax emulated trampolines (experimental)
+   */
+/* #undef FFI_MMAP_EXEC_EMUTRAMP_PAX */
+
+/* Cannot use malloc on this target, so, we revert to alternative means */
+/* #undef FFI_MMAP_EXEC_WRIT */
+
+/* Define this if you do not want support for the raw API. */
+/* #undef FFI_NO_RAW_API */
+
+/* Define this if you do not want support for aggregate types. */
+/* #undef FFI_NO_STRUCTS */
+
+/* Define to 1 if you have 'alloca', as a function or macro. */
+#define HAVE_ALLOCA 1
+
+/* Define to 1 if <alloca.h> works. */
+#define HAVE_ALLOCA_H 1
+
+/* Define if your assembler supports .cfi_* directives. */
+#define HAVE_AS_CFI_PSEUDO_OP 1
+
+/* Define if your assembler supports .register. */
+/* #undef HAVE_AS_REGISTER_PSEUDO_OP */
+
+/* Define if the compiler uses zarch features. */
+/* #undef HAVE_AS_S390_ZARCH */
+
+/* Define if your assembler and linker support unaligned PC relative relocs.
+   */
+/* #undef HAVE_AS_SPARC_UA_PCREL */
+
+/* Define if your assembler supports unwind section type. */
+#define HAVE_AS_X86_64_UNWIND_SECTION_TYPE 1
+
+/* Define if your assembler supports PC relative relocs. */
+#define HAVE_AS_X86_PCREL 1
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define if __attribute__((visibility("hidden"))) is supported. */
+#define HAVE_HIDDEN_VISIBILITY_ATTRIBUTE 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define if you have the long double type and it is bigger than a double */
+#define HAVE_LONG_DOUBLE 1
+
+/* Define if you support more than one size of the long double type */
+/* #undef HAVE_LONG_DOUBLE_VARIANT */
+
+/* Define to 1 if you have the `memcpy' function. */
+#define HAVE_MEMCPY 1
+
+/* Define to 1 if you have the `memfd_create' function. */
+#define HAVE_MEMFD_CREATE 1
+
+/* Define to 1 if you have the `mkostemp' function. */
+#define HAVE_MKOSTEMP 1
+
+/* Define to 1 if you have the `mkstemp' function. */
+#define HAVE_MKSTEMP 1
+
+/* Define to 1 if you have the `mmap' function. */
+#define HAVE_MMAP 1
+
+/* Define if mmap with MAP_ANON(YMOUS) works. */
+#define HAVE_MMAP_ANON 1
+
+/* Define if mmap of /dev/zero works. */
+#define HAVE_MMAP_DEV_ZERO 1
+
+/* Define if read-only mmap of a plain file works. */
+#define HAVE_MMAP_FILE 1
+
+/* Define if your compiler supports pointer authentication. */
+/* #undef HAVE_PTRAUTH */
+
+/* Define if .eh_frame sections should be read-only. */
+#define HAVE_RO_EH_FRAME 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <sys/memfd.h> header file. */
+/* #undef HAVE_SYS_MEMFD_H */
+
+/* Define to 1 if you have the <sys/mman.h> header file. */
+#define HAVE_SYS_MMAN_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if GNU symbol versioning is used for libatomic. */
+#define LIBFFI_GNU_SYMBOL_VERSIONING 1
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#define LT_OBJDIR ".libs/"
+
+/* Name of package */
+#define PACKAGE "libffi"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "http://github.com/libffi/libffi/issues"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "libffi"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "libffi 3.4.4"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "libffi"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "3.4.4"
+
+/* The size of `double', as computed by sizeof. */
+#define SIZEOF_DOUBLE 8
+
+/* The size of `long double', as computed by sizeof. */
+#define SIZEOF_LONG_DOUBLE 16
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 8
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at runtime.
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown */
+/* #undef STACK_DIRECTION */
+
+/* Define to 1 if all of the C90 standard headers exist (not just the ones
+   required in a freestanding environment). This macro is provided for
+   backward compatibility; new code need not use it. */
+#define STDC_HEADERS 1
+
+/* Define if symbols are underscored. */
+/* #undef SYMBOL_UNDERSCORE */
+
+/* Define this if you are using Purify and want to suppress spurious messages.
+   */
+/* #undef USING_PURIFY */
+
+/* Version number of package */
+#define VERSION "3.4.4"
+
+/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
+   significant byte first (like Motorola and SPARC, unlike Intel). */
+#if defined AC_APPLE_UNIVERSAL_BUILD
+# if defined __BIG_ENDIAN__
+#  define WORDS_BIGENDIAN 1
+# endif
+#else
+# ifndef WORDS_BIGENDIAN
+/* #  undef WORDS_BIGENDIAN */
+# endif
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+
+#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
+#ifdef LIBFFI_ASM
+#ifdef __APPLE__
+#define FFI_HIDDEN(name) .private_extern name
+#else
+#define FFI_HIDDEN(name) .hidden name
+#endif
+#else
+#define FFI_HIDDEN __attribute__ ((visibility ("hidden")))
+#endif
+#else
+#ifdef LIBFFI_ASM
+#define FFI_HIDDEN(name)
+#else
+#define FFI_HIDDEN
+#endif
+#endif
+