Merge "Add CMakeLists.txt file for Windows x86_64 MSVC build" am: 9fcf766553android-t-preview-2android-t-preview-1android-t-beta-3android-s-v2-beta-3android-s-qpr3-beta-1android-t-preview-1android-s-v2-beta-3android-s-qpr3-beta-1

Original change: https://android-review.googlesource.com/c/platform/external/libffi/+/1845814

Change-Id: I502b7c0102afb653782867cccf41456dd028bb3d

2 files changed, 279 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 00000000..41239f0b
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,68 @@
+# Copyright 2021 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# Build libffi for Windows x86_64 using MSVC.
+#
+
+project(libffi LANGUAGES C ASM_MASM)
+cmake_minimum_required(VERSION 3.18.1)
+
+set(src ${CMAKE_CURRENT_SOURCE_DIR})
+set(out ${CMAKE_CURRENT_BINARY_DIR})
+
+set(TARGET X86_WIN64)
+set(HAVE_LONG_DOUBLE 0)
+set(FFI_EXEC_TRAMPOLINE_TABLE 0)
+configure_file(include/ffi.h.in ${out}/ffi.h @ONLY)
+
+add_library(libffi SHARED
+  src/prep_cif.c
+  src/types.c
+  src/raw_api.c
+  src/java_raw_api.c
+  src/closures.c
+  src/x86/ffiw64.c
+  ${out}/win64_intel.asm
+)
+
+configure_file(src/x86/ffitarget.h    ${out}/dist/include/ffitarget.h   COPYONLY)
+configure_file(${out}/ffi.h           ${out}/dist/include/ffi.h         COPYONLY)
+
+set(defines
+  -DHAVE_CONFIG_H=1
+  -DFFI_BUILDING_DLL=1
+)
+
+set(include_dirs
+  ${src}/include
+  ${src}/windows-msvc-x86_64
+  ${src}/src/x86
+  ${out}
+)
+
+target_compile_definitions(libffi PRIVATE ${defines})
+target_include_directories(libffi PUBLIC ${include_dirs})
+
+list(TRANSFORM include_dirs PREPEND -I OUTPUT_VARIABLE include_dir_args)
+
+# Preprocess this .S file before assembling it with ml64. It's not clear to me whether CMake is
+# supposed to support this inherently. The msvc_build/aarch64/Ffi_staticLib.vcxproj project also
+# uses a CustomBuild step. This step won't rebuild if an included file changes, which might be
+# fixable (someday), perhaps using the DEPFILE argument to add_custom_command.
+add_custom_command(
+  OUTPUT ${out}/win64_intel.asm
+  COMMAND cl /EP ${src}/src/x86/win64_intel.S ${defines} ${include_dir_args} >${out}/win64_intel.asm
+  DEPENDS src/x86/win64_intel.S ${out}/ffi.h
+)
diff --git a/windows-msvc-x86_64/fficonfig.h b/windows-msvc-x86_64/fficonfig.h
new file mode 100644
index 00000000..94ae1f3a
--- /dev/null
+++ b/windows-msvc-x86_64/fficonfig.h
@@ -0,0 +1,211 @@
+/* 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. */
+/* #undef EH_FRAME_FLAGS */
+
+/* Define this if you want extra debugging. */
+/* #undef FFI_DEBUG */
+
+/* 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 */
+/* #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. */
+/* #undef HAVE_ALLOCA_H */
+
+/* Define if your assembler supports .cfi_* directives. */
+/* #undef HAVE_AS_CFI_PSEUDO_OP */
+
+/* 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. */
+/* #undef HAVE_AS_X86_64_UNWIND_SECTION_TYPE */
+
+/* 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. */
+/* #undef HAVE_DLFCN_H */
+
+/* Define if __attribute__((visibility("hidden"))) is supported. */
+/* #undef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE */
+
+/* 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 */
+/* #undef HAVE_LONG_DOUBLE */
+
+/* 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. */
+/* #undef HAVE_MEMCPY */
+
+/* Define to 1 if you have the `mkostemp' function. */
+/* #undef HAVE_MKOSTEMP */
+
+/* Define to 1 if you have the `mmap' function. */
+/* #undef HAVE_MMAP */
+
+/* Define if mmap with MAP_ANON(YMOUS) works. */
+/* #undef HAVE_MMAP_ANON */
+
+/* Define if mmap of /dev/zero works. */
+/* #undef HAVE_MMAP_DEV_ZERO */
+
+/* Define if read-only mmap of a plain file works. */
+/* #undef HAVE_MMAP_FILE */
+
+/* Define if .eh_frame sections should be read-only. */
+/* #undef HAVE_RO_EH_FRAME */
+
+/* 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. */
+/* #undef HAVE_STRINGS_H */
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <sys/mman.h> header file. */
+/* #undef HAVE_SYS_MMAN_H */
+
+/* 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. */
+/* #undef HAVE_UNISTD_H */
+
+/* Define to 1 if GNU symbol versioning is used for libatomic. */
+/* #undef LIBFFI_GNU_SYMBOL_VERSIONING */
+
+/* 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 3.3"
+
+/* 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 "3.3"
+
+/* 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 8
+
+/* 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 "3.3"
+
+/* 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
+