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README
1Status 2====== 3 4libffi-3.2.1 was released on November 12, 2014. Check the libffi web 5page for updates: <URL:http://sourceware.org/libffi/>. 6 7 8What is libffi? 9=============== 10 11Compilers for high level languages generate code that follow certain 12conventions. These conventions are necessary, in part, for separate 13compilation to work. One such convention is the "calling 14convention". The "calling convention" is essentially a set of 15assumptions made by the compiler about where function arguments will 16be found on entry to a function. A "calling convention" also specifies 17where the return value for a function is found. 18 19Some programs may not know at the time of compilation what arguments 20are to be passed to a function. For instance, an interpreter may be 21told at run-time about the number and types of arguments used to call 22a given function. Libffi can be used in such programs to provide a 23bridge from the interpreter program to compiled code. 24 25The libffi library provides a portable, high level programming 26interface to various calling conventions. This allows a programmer to 27call any function specified by a call interface description at run 28time. 29 30FFI stands for Foreign Function Interface. A foreign function 31interface is the popular name for the interface that allows code 32written in one language to call code written in another language. The 33libffi library really only provides the lowest, machine dependent 34layer of a fully featured foreign function interface. A layer must 35exist above libffi that handles type conversions for values passed 36between the two languages. 37 38 39Supported Platforms 40=================== 41 42Libffi has been ported to many different platforms. 43For specific configuration details and testing status, please 44refer to the wiki page here: 45 46 http://www.moxielogic.org/wiki/index.php?title=Libffi_3.2 47 48At the time of release, the following basic configurations have been 49tested: 50 51|-----------------+------------------+-------------------------| 52| Architecture | Operating System | Compiler | 53|-----------------+------------------+-------------------------| 54| AArch64 (ARM64) | iOS | Clang | 55| AArch64 | Linux | GCC | 56| Alpha | Linux | GCC | 57| Alpha | Tru64 | GCC | 58| ARC | Linux | GCC | 59| ARM | Linux | GCC | 60| ARM | iOS | GCC | 61| AVR32 | Linux | GCC | 62| Blackfin | uClinux | GCC | 63| HPPA | HPUX | GCC | 64| IA-64 | Linux | GCC | 65| M68K | FreeMiNT | GCC | 66| M68K | Linux | GCC | 67| M68K | RTEMS | GCC | 68| M88K | OpenBSD/mvme88k | GCC | 69| Meta | Linux | GCC | 70| MicroBlaze | Linux | GCC | 71| MIPS | IRIX | GCC | 72| MIPS | Linux | GCC | 73| MIPS | RTEMS | GCC | 74| MIPS64 | Linux | GCC | 75| Moxie | Bare metal | GCC | 76| Nios II | Linux | GCC | 77| OpenRISC | Linux | GCC | 78| PowerPC 32-bit | AIX | IBM XL C | 79| PowerPC 64-bit | AIX | IBM XL C | 80| PowerPC | AMIGA | GCC | 81| PowerPC | Linux | GCC | 82| PowerPC | Mac OSX | GCC | 83| PowerPC | FreeBSD | GCC | 84| PowerPC 64-bit | FreeBSD | GCC | 85| PowerPC 64-bit | Linux ELFv1 | GCC | 86| PowerPC 64-bit | Linux ELFv2 | GCC | 87| S390 | Linux | GCC | 88| S390X | Linux | GCC | 89| SPARC | Linux | GCC | 90| SPARC | Solaris | GCC | 91| SPARC | Solaris | Oracle Solaris Studio C | 92| SPARC64 | Linux | GCC | 93| SPARC64 | FreeBSD | GCC | 94| SPARC64 | Solaris | Oracle Solaris Studio C | 95| TILE-Gx/TILEPro | Linux | GCC | 96| VAX | OpenBSD/vax | GCC | 97| X86 | FreeBSD | GCC | 98| X86 | GNU HURD | GCC | 99| X86 | Interix | GCC | 100| X86 | kFreeBSD | GCC | 101| X86 | Linux | GCC | 102| X86 | Mac OSX | GCC | 103| X86 | OpenBSD | GCC | 104| X86 | OS/2 | GCC | 105| X86 | Solaris | GCC | 106| X86 | Solaris | Oracle Solaris Studio C | 107| X86 | Windows/Cygwin | GCC | 108| X86 | Windows/MingW | GCC | 109| X86-64 | FreeBSD | GCC | 110| X86-64 | Linux | GCC | 111| X86-64 | Linux/x32 | GCC | 112| X86-64 | OpenBSD | GCC | 113| X86-64 | Solaris | Oracle Solaris Studio C | 114| X86-64 | Windows/Cygwin | GCC | 115| X86-64 | Windows/MingW | GCC | 116| Xtensa | Linux | GCC | 117|-----------------+------------------+-------------------------| 118 119Please send additional platform test results to 120libffi-discuss@sourceware.org and feel free to update the wiki page 121above. 122 123Installing libffi 124================= 125 126First you must configure the distribution for your particular 127system. Go to the directory you wish to build libffi in and run the 128"configure" program found in the root directory of the libffi source 129distribution. 130 131If you're building libffi directly from version control, configure won't 132exist yet; run ./autogen.sh first. 133 134You may want to tell configure where to install the libffi library and 135header files. To do that, use the --prefix configure switch. Libffi 136will install under /usr/local by default. 137 138If you want to enable extra run-time debugging checks use the the 139--enable-debug configure switch. This is useful when your program dies 140mysteriously while using libffi. 141 142Another useful configure switch is --enable-purify-safety. Using this 143will add some extra code which will suppress certain warnings when you 144are using Purify with libffi. Only use this switch when using 145Purify, as it will slow down the library. 146 147It's also possible to build libffi on Windows platforms with 148Microsoft's Visual C++ compiler. In this case, use the msvcc.sh 149wrapper script during configuration like so: 150 151path/to/configure CC=path/to/msvcc.sh CXX=path/to/msvcc.sh LD=link CPP="cl -nologo -EP" 152 153For 64-bit Windows builds, use CC="path/to/msvcc.sh -m64" and 154CXX="path/to/msvcc.sh -m64". You may also need to specify --build 155appropriately. 156 157It is also possible to build libffi on Windows platforms with the LLVM 158project's clang-cl compiler, like below: 159 160path/to/configure CC="path/to/msvcc.sh -clang-cl" CXX="path/to/msvcc.sh -clang-cl" LD=link CPP="clang-cl -EP" 161 162When building with MSVC under a MingW environment, you may need to 163remove the line in configure that sets 'fix_srcfile_path' to a 'cygpath' 164command. ('cygpath' is not present in MingW, and is not required when 165using MingW-style paths.) 166 167For iOS builds, the 'libffi.xcodeproj' Xcode project is available. 168 169Configure has many other options. Use "configure --help" to see them all. 170 171Once configure has finished, type "make". Note that you must be using 172GNU make. You can ftp GNU make from ftp.gnu.org:/pub/gnu/make . 173 174To ensure that libffi is working as advertised, type "make check". 175This will require that you have DejaGNU installed. 176 177To install the library and header files, type "make install". 178 179 180History 181======= 182 183See the git log for details at http://github.com/atgreen/libffi. 184 1853.2.1 Nov-12-14 186 Build fix for non-iOS AArch64 targets. 187 1883.2 Nov-11-14 189 Add C99 Complex Type support (currently only supported on 190 s390). 191 Add support for PASCAL and REGISTER calling conventions on x86 192 Windows/Linux. 193 Add OpenRISC and Cygwin-64 support. 194 Bug fixes. 195 1963.1 May-19-14 197 Add AArch64 (ARM64) iOS support. 198 Add Nios II support. 199 Add m88k and DEC VAX support. 200 Add support for stdcall, thiscall, and fastcall on non-Windows 201 32-bit x86 targets such as Linux. 202 Various Android, MIPS N32, x86, FreeBSD and UltraSPARC IIi 203 fixes. 204 Make the testsuite more robust: eliminate several spurious 205 failures, and respect the $CC and $CXX environment variables. 206 Archive off the manually maintained ChangeLog in favor of git 207 log. 208 2093.0.13 Mar-17-13 210 Add Meta support. 211 Add missing Moxie bits. 212 Fix stack alignment bug on 32-bit x86. 213 Build fix for m68000 targets. 214 Build fix for soft-float Power targets. 215 Fix the install dir location for some platforms when building 216 with GCC (OS X, Solaris). 217 Fix Cygwin regression. 218 2193.0.12 Feb-11-13 220 Add Moxie support. 221 Add AArch64 support. 222 Add Blackfin support. 223 Add TILE-Gx/TILEPro support. 224 Add MicroBlaze support. 225 Add Xtensa support. 226 Add support for PaX enabled kernels with MPROTECT. 227 Add support for native vendor compilers on 228 Solaris and AIX. 229 Work around LLVM/GCC interoperability issue on x86_64. 230 2313.0.11 Apr-11-12 232 Lots of build fixes. 233 Add support for variadic functions (ffi_prep_cif_var). 234 Add Linux/x32 support. 235 Add thiscall, fastcall and MSVC cdecl support on Windows. 236 Add Amiga and newer MacOS support. 237 Add m68k FreeMiNT support. 238 Integration with iOS' xcode build tools. 239 Fix Octeon and MC68881 support. 240 Fix code pessimizations. 241 2423.0.10 Aug-23-11 243 Add support for Apple's iOS. 244 Add support for ARM VFP ABI. 245 Add RTEMS support for MIPS and M68K. 246 Fix instruction cache clearing problems on 247 ARM and SPARC. 248 Fix the N64 build on mips-sgi-irix6.5. 249 Enable builds with Microsoft's compiler. 250 Enable x86 builds with Oracle's Solaris compiler. 251 Fix support for calling code compiled with Oracle's Sparc 252 Solaris compiler. 253 Testsuite fixes for Tru64 Unix. 254 Additional platform support. 255 2563.0.9 Dec-31-09 257 Add AVR32 and win64 ports. Add ARM softfp support. 258 Many fixes for AIX, Solaris, HP-UX, *BSD. 259 Several PowerPC and x86-64 bug fixes. 260 Build DLL for windows. 261 2623.0.8 Dec-19-08 263 Add *BSD, BeOS, and PA-Linux support. 264 2653.0.7 Nov-11-08 266 Fix for ppc FreeBSD. 267 (thanks to Andreas Tobler) 268 2693.0.6 Jul-17-08 270 Fix for closures on sh. 271 Mark the sh/sh64 stack as non-executable. 272 (both thanks to Kaz Kojima) 273 2743.0.5 Apr-3-08 275 Fix libffi.pc file. 276 Fix #define ARM for IcedTea users. 277 Fix x86 closure bug. 278 2793.0.4 Feb-24-08 280 Fix x86 OpenBSD configury. 281 2823.0.3 Feb-22-08 283 Enable x86 OpenBSD thanks to Thomas Heller, and 284 x86-64 FreeBSD thanks to Björn König and Andreas Tobler. 285 Clean up test instruction in README. 286 2873.0.2 Feb-21-08 288 Improved x86 FreeBSD support. 289 Thanks to Björn König. 290 2913.0.1 Feb-15-08 292 Fix instruction cache flushing bug on MIPS. 293 Thanks to David Daney. 294 2953.0.0 Feb-15-08 296 Many changes, mostly thanks to the GCC project. 297 Cygnus Solutions is now Red Hat. 298 299 [10 years go by...] 300 3011.20 Oct-5-98 302 Raffaele Sena produces ARM port. 303 3041.19 Oct-5-98 305 Fixed x86 long double and long long return support. 306 m68k bug fixes from Andreas Schwab. 307 Patch for DU assembler compatibility for the Alpha from Richard 308 Henderson. 309 3101.18 Apr-17-98 311 Bug fixes and MIPS configuration changes. 312 3131.17 Feb-24-98 314 Bug fixes and m68k port from Andreas Schwab. PowerPC port from 315 Geoffrey Keating. Various bug x86, Sparc and MIPS bug fixes. 316 3171.16 Feb-11-98 318 Richard Henderson produces Alpha port. 319 3201.15 Dec-4-97 321 Fixed an n32 ABI bug. New libtool, auto* support. 322 3231.14 May-13-97 324 libtool is now used to generate shared and static libraries. 325 Fixed a minor portability problem reported by Russ McManus 326 <mcmanr@eq.gs.com>. 327 3281.13 Dec-2-96 329 Added --enable-purify-safety to keep Purify from complaining 330 about certain low level code. 331 Sparc fix for calling functions with < 6 args. 332 Linux x86 a.out fix. 333 3341.12 Nov-22-96 335 Added missing ffi_type_void, needed for supporting void return 336 types. Fixed test case for non MIPS machines. Cygnus Support 337 is now Cygnus Solutions. 338 3391.11 Oct-30-96 340 Added notes about GNU make. 341 3421.10 Oct-29-96 343 Added configuration fix for non GNU compilers. 344 3451.09 Oct-29-96 346 Added --enable-debug configure switch. Clean-ups based on LCLint 347 feedback. ffi_mips.h is always installed. Many configuration 348 fixes. Fixed ffitest.c for sparc builds. 349 3501.08 Oct-15-96 351 Fixed n32 problem. Many clean-ups. 352 3531.07 Oct-14-96 354 Gordon Irlam rewrites v8.S again. Bug fixes. 355 3561.06 Oct-14-96 357 Gordon Irlam improved the sparc port. 358 3591.05 Oct-14-96 360 Interface changes based on feedback. 361 3621.04 Oct-11-96 363 Sparc port complete (modulo struct passing bug). 364 3651.03 Oct-10-96 366 Passing struct args, and returning struct values works for 367 all architectures/calling conventions. Expanded tests. 368 3691.02 Oct-9-96 370 Added SGI n32 support. Fixed bugs in both o32 and Linux support. 371 Added "make test". 372 3731.01 Oct-8-96 374 Fixed float passing bug in mips version. Restructured some 375 of the code. Builds cleanly with SGI tools. 376 3771.00 Oct-7-96 378 First release. No public announcement. 379 380 381Authors & Credits 382================= 383 384libffi was originally written by Anthony Green <green@moxielogic.com>. 385 386The developers of the GNU Compiler Collection project have made 387innumerable valuable contributions. See the ChangeLog file for 388details. 389 390Some of the ideas behind libffi were inspired by Gianni Mariani's free 391gencall library for Silicon Graphics machines. 392 393The closure mechanism was designed and implemented by Kresten Krab 394Thorup. 395 396Major processor architecture ports were contributed by the following 397developers: 398 399aarch64 Marcus Shawcroft, James Greenhalgh 400alpha Richard Henderson 401arm Raffaele Sena 402blackfin Alexandre Keunecke I. de Mendonca 403cris Simon Posnjak, Hans-Peter Nilsson 404frv Anthony Green 405ia64 Hans Boehm 406m32r Kazuhiro Inaoka 407m68k Andreas Schwab 408m88k Miod Vallat 409microblaze Nathan Rossi 410mips Anthony Green, Casey Marshall 411mips64 David Daney 412moxie Anthony Green 413nios ii Sandra Loosemore 414openrisc Sebastian Macke 415pa Randolph Chung, Dave Anglin, Andreas Tobler 416powerpc Geoffrey Keating, Andreas Tobler, 417 David Edelsohn, John Hornkvist 418powerpc64 Jakub Jelinek 419s390 Gerhard Tonn, Ulrich Weigand 420sh Kaz Kojima 421sh64 Kaz Kojima 422sparc Anthony Green, Gordon Irlam 423tile-gx/tilepro Walter Lee 424vax Miod Vallat 425x86 Anthony Green, Jon Beniston 426x86-64 Bo Thorsen 427xtensa Chris Zankel 428 429Jesper Skov and Andrew Haley both did more than their fair share of 430stepping through the code and tracking down bugs. 431 432Thanks also to Tom Tromey for bug fixes, documentation and 433configuration help. 434 435Thanks to Jim Blandy, who provided some useful feedback on the libffi 436interface. 437 438Andreas Tobler has done a tremendous amount of work on the testsuite. 439 440Alex Oliva solved the executable page problem for SElinux. 441 442The list above is almost certainly incomplete and inaccurate. I'm 443happy to make corrections or additions upon request. 444 445If you have a problem, or have found a bug, please send a note to the 446author at green@moxielogic.com, or the project mailing list at 447libffi-discuss@sourceware.org. 448
README.cheets.md
1# Notes for updating `external/libffi` from source 2 3Note: AOSP has (or had) a platform/external/libffi used by Dalvik/MIPS. 4To avoid confusion, we call our version of the library libffi-cheets. 5 6## Files added for use in cheets: 7 8- `./Android.mk` 9- `./MODULE_LICENSE_BSD_LIKE` 10- `./NOTICE (copy of ./LICENSE)` 11- `./README.cheets.md` 12- `./linux-arm/ffi.h` 13- `./linux-arm/fficonfig.h` 14- `./linux-arm/ffitarget.h` 15- `./linux-x86/ffi.h` 16- `./linux-x86/fficonfig.h` 17- `./linux-x86/ffitarget.h` 18 19The `ffi.h`, `fficonfig.h`, and `ffitarget.h` files allow us to easily configure 20each build target. 21 22Note that Android.mk embeds the version of Wayland being built (ends up in src/wayland-version.h) 23 24## Files generated by the build process 25 26These files are generated by the Android.mk makefile into the source directory, 27and should not be checked in. 28 29### From `include/ffi.h.in` 30 31- `include/ffi.h`
README.md
1Status 2====== 3 4[](https://travis-ci.org/libffi/libffi) 5[](https://ci.appveyor.com/project/atgreen/libffi) 6 7libffi-3.3 was released on November 23, 2019. Check the libffi web 8page for updates: <URL:http://sourceware.org/libffi/>. 9 10 11What is libffi? 12=============== 13 14Compilers for high level languages generate code that follow certain 15conventions. These conventions are necessary, in part, for separate 16compilation to work. One such convention is the "calling 17convention". The "calling convention" is essentially a set of 18assumptions made by the compiler about where function arguments will 19be found on entry to a function. A "calling convention" also specifies 20where the return value for a function is found. 21 22Some programs may not know at the time of compilation what arguments 23are to be passed to a function. For instance, an interpreter may be 24told at run-time about the number and types of arguments used to call 25a given function. Libffi can be used in such programs to provide a 26bridge from the interpreter program to compiled code. 27 28The libffi library provides a portable, high level programming 29interface to various calling conventions. This allows a programmer to 30call any function specified by a call interface description at run 31time. 32 33FFI stands for Foreign Function Interface. A foreign function 34interface is the popular name for the interface that allows code 35written in one language to call code written in another language. The 36libffi library really only provides the lowest, machine dependent 37layer of a fully featured foreign function interface. A layer must 38exist above libffi that handles type conversions for values passed 39between the two languages. 40 41 42Supported Platforms 43=================== 44 45Libffi has been ported to many different platforms. 46 47At the time of release, the following basic configurations have been 48tested: 49 50| Architecture | Operating System | Compiler | 51| --------------- | ---------------- | ----------------------- | 52| AArch64 (ARM64) | iOS | Clang | 53| AArch64 | Linux | GCC | 54| AArch64 | Windows | MSVC | 55| Alpha | Linux | GCC | 56| Alpha | Tru64 | GCC | 57| ARC | Linux | GCC | 58| ARM | Linux | GCC | 59| ARM | iOS | GCC | 60| ARM | Windows | MSVC | 61| AVR32 | Linux | GCC | 62| Blackfin | uClinux | GCC | 63| HPPA | HPUX | GCC | 64| IA-64 | Linux | GCC | 65| M68K | FreeMiNT | GCC | 66| M68K | Linux | GCC | 67| M68K | RTEMS | GCC | 68| M88K | OpenBSD/mvme88k | GCC | 69| Meta | Linux | GCC | 70| MicroBlaze | Linux | GCC | 71| MIPS | IRIX | GCC | 72| MIPS | Linux | GCC | 73| MIPS | RTEMS | GCC | 74| MIPS64 | Linux | GCC | 75| Moxie | Bare metal | GCC | 76| Nios II | Linux | GCC | 77| OpenRISC | Linux | GCC | 78| PowerPC 32-bit | AIX | IBM XL C | 79| PowerPC 64-bit | AIX | IBM XL C | 80| PowerPC | AMIGA | GCC | 81| PowerPC | Linux | GCC | 82| PowerPC | Mac OSX | GCC | 83| PowerPC | FreeBSD | GCC | 84| PowerPC 64-bit | FreeBSD | GCC | 85| PowerPC 64-bit | Linux ELFv1 | GCC | 86| PowerPC 64-bit | Linux ELFv2 | GCC | 87| RISC-V 32-bit | Linux | GCC | 88| RISC-V 64-bit | Linux | GCC | 89| S390 | Linux | GCC | 90| S390X | Linux | GCC | 91| SPARC | Linux | GCC | 92| SPARC | Solaris | GCC | 93| SPARC | Solaris | Oracle Solaris Studio C | 94| SPARC64 | Linux | GCC | 95| SPARC64 | FreeBSD | GCC | 96| SPARC64 | Solaris | Oracle Solaris Studio C | 97| TILE-Gx/TILEPro | Linux | GCC | 98| VAX | OpenBSD/vax | GCC | 99| X86 | FreeBSD | GCC | 100| X86 | GNU HURD | GCC | 101| X86 | Interix | GCC | 102| X86 | kFreeBSD | GCC | 103| X86 | Linux | GCC | 104| X86 | Mac OSX | GCC | 105| X86 | OpenBSD | GCC | 106| X86 | OS/2 | GCC | 107| X86 | Solaris | GCC | 108| X86 | Solaris | Oracle Solaris Studio C | 109| X86 | Windows/Cygwin | GCC | 110| X86 | Windows/MingW | GCC | 111| X86-64 | FreeBSD | GCC | 112| X86-64 | Linux | GCC | 113| X86-64 | Linux/x32 | GCC | 114| X86-64 | OpenBSD | GCC | 115| X86-64 | Solaris | Oracle Solaris Studio C | 116| X86-64 | Windows/Cygwin | GCC | 117| X86-64 | Windows/MingW | GCC | 118| X86-64 | Mac OSX | GCC | 119| Xtensa | Linux | GCC | 120 121Please send additional platform test results to 122libffi-discuss@sourceware.org. 123 124Installing libffi 125================= 126 127First you must configure the distribution for your particular 128system. Go to the directory you wish to build libffi in and run the 129"configure" program found in the root directory of the libffi source 130distribution. Note that building libffi requires a C99 compatible 131compiler. 132 133If you're building libffi directly from git hosted sources, configure 134won't exist yet; run ./autogen.sh first. This will require that you 135install autoconf, automake and libtool. 136 137You may want to tell configure where to install the libffi library and 138header files. To do that, use the ``--prefix`` configure switch. Libffi 139will install under /usr/local by default. 140 141If you want to enable extra run-time debugging checks use the the 142``--enable-debug`` configure switch. This is useful when your program dies 143mysteriously while using libffi. 144 145Another useful configure switch is ``--enable-purify-safety``. Using this 146will add some extra code which will suppress certain warnings when you 147are using Purify with libffi. Only use this switch when using 148Purify, as it will slow down the library. 149 150If you don't want to build documentation, use the ``--disable-docs`` 151configure switch. 152 153It's also possible to build libffi on Windows platforms with 154Microsoft's Visual C++ compiler. In this case, use the msvcc.sh 155wrapper script during configuration like so: 156 157 path/to/configure CC=path/to/msvcc.sh CXX=path/to/msvcc.sh LD=link CPP="cl -nologo -EP" CPPFLAGS="-DFFI_BUILDING_DLL" 158 159For 64-bit Windows builds, use ``CC="path/to/msvcc.sh -m64"`` and 160``CXX="path/to/msvcc.sh -m64"``. You may also need to specify 161``--build`` appropriately. 162 163It is also possible to build libffi on Windows platforms with the LLVM 164project's clang-cl compiler, like below: 165 166 path/to/configure CC="path/to/msvcc.sh -clang-cl" CXX="path/to/msvcc.sh -clang-cl" LD=link CPP="clang-cl -EP" 167 168When building with MSVC under a MingW environment, you may need to 169remove the line in configure that sets 'fix_srcfile_path' to a 'cygpath' 170command. ('cygpath' is not present in MingW, and is not required when 171using MingW-style paths.) 172 173To build static library for ARM64 with MSVC using visual studio solution, msvc_build folder have 174 aarch64/Ffi_staticLib.sln 175 required header files in aarch64/aarch64_include/ 176 177 178SPARC Solaris builds require the use of the GNU assembler and linker. 179Point ``AS`` and ``LD`` environment variables at those tool prior to 180configuration. 181 182For iOS builds, the ``libffi.xcodeproj`` Xcode project is available. 183 184Configure has many other options. Use ``configure --help`` to see them all. 185 186Once configure has finished, type "make". Note that you must be using 187GNU make. You can ftp GNU make from ftp.gnu.org:/pub/gnu/make . 188 189To ensure that libffi is working as advertised, type "make check". 190This will require that you have DejaGNU installed. 191 192To install the library and header files, type ``make install``. 193 194 195History 196======= 197 198See the git log for details at http://github.com/libffi/libffi. 199 200 3.3 Nov-23-19 201 Add RISC-V support. 202 New API in support of GO closures. 203 Add IEEE754 binary128 long double support for 64-bit Power 204 Default to Microsoft's 64 bit long double ABI with Visual C++. 205 GNU compiler uses 80 bits (128 in memory) FFI_GNUW64 ABI. 206 Add Windows on ARM64 (WOA) support. 207 Add Windows 32-bit ARM support. 208 Raw java (gcj) API deprecated. 209 Add pre-built PDF documentation to source distribution. 210 Many new tests cases and bug fixes. 211 212 3.2.1 Nov-12-14 213 Build fix for non-iOS AArch64 targets. 214 215 3.2 Nov-11-14 216 Add C99 Complex Type support (currently only supported on 217 s390). 218 Add support for PASCAL and REGISTER calling conventions on x86 219 Windows/Linux. 220 Add OpenRISC and Cygwin-64 support. 221 Bug fixes. 222 223 3.1 May-19-14 224 Add AArch64 (ARM64) iOS support. 225 Add Nios II support. 226 Add m88k and DEC VAX support. 227 Add support for stdcall, thiscall, and fastcall on non-Windows 228 32-bit x86 targets such as Linux. 229 Various Android, MIPS N32, x86, FreeBSD and UltraSPARC IIi 230 fixes. 231 Make the testsuite more robust: eliminate several spurious 232 failures, and respect the $CC and $CXX environment variables. 233 Archive off the manually maintained ChangeLog in favor of git 234 log. 235 236 3.0.13 Mar-17-13 237 Add Meta support. 238 Add missing Moxie bits. 239 Fix stack alignment bug on 32-bit x86. 240 Build fix for m68000 targets. 241 Build fix for soft-float Power targets. 242 Fix the install dir location for some platforms when building 243 with GCC (OS X, Solaris). 244 Fix Cygwin regression. 245 246 3.0.12 Feb-11-13 247 Add Moxie support. 248 Add AArch64 support. 249 Add Blackfin support. 250 Add TILE-Gx/TILEPro support. 251 Add MicroBlaze support. 252 Add Xtensa support. 253 Add support for PaX enabled kernels with MPROTECT. 254 Add support for native vendor compilers on 255 Solaris and AIX. 256 Work around LLVM/GCC interoperability issue on x86_64. 257 258 3.0.11 Apr-11-12 259 Lots of build fixes. 260 Add support for variadic functions (ffi_prep_cif_var). 261 Add Linux/x32 support. 262 Add thiscall, fastcall and MSVC cdecl support on Windows. 263 Add Amiga and newer MacOS support. 264 Add m68k FreeMiNT support. 265 Integration with iOS' xcode build tools. 266 Fix Octeon and MC68881 support. 267 Fix code pessimizations. 268 269 3.0.10 Aug-23-11 270 Add support for Apple's iOS. 271 Add support for ARM VFP ABI. 272 Add RTEMS support for MIPS and M68K. 273 Fix instruction cache clearing problems on 274 ARM and SPARC. 275 Fix the N64 build on mips-sgi-irix6.5. 276 Enable builds with Microsoft's compiler. 277 Enable x86 builds with Oracle's Solaris compiler. 278 Fix support for calling code compiled with Oracle's Sparc 279 Solaris compiler. 280 Testsuite fixes for Tru64 Unix. 281 Additional platform support. 282 283 3.0.9 Dec-31-09 284 Add AVR32 and win64 ports. Add ARM softfp support. 285 Many fixes for AIX, Solaris, HP-UX, *BSD. 286 Several PowerPC and x86-64 bug fixes. 287 Build DLL for windows. 288 289 3.0.8 Dec-19-08 290 Add *BSD, BeOS, and PA-Linux support. 291 292 3.0.7 Nov-11-08 293 Fix for ppc FreeBSD. 294 (thanks to Andreas Tobler) 295 296 3.0.6 Jul-17-08 297 Fix for closures on sh. 298 Mark the sh/sh64 stack as non-executable. 299 (both thanks to Kaz Kojima) 300 301 3.0.5 Apr-3-08 302 Fix libffi.pc file. 303 Fix #define ARM for IcedTea users. 304 Fix x86 closure bug. 305 306 3.0.4 Feb-24-08 307 Fix x86 OpenBSD configury. 308 309 3.0.3 Feb-22-08 310 Enable x86 OpenBSD thanks to Thomas Heller, and 311 x86-64 FreeBSD thanks to Björn König and Andreas Tobler. 312 Clean up test instruction in README. 313 314 3.0.2 Feb-21-08 315 Improved x86 FreeBSD support. 316 Thanks to Björn König. 317 318 3.0.1 Feb-15-08 319 Fix instruction cache flushing bug on MIPS. 320 Thanks to David Daney. 321 322 3.0.0 Feb-15-08 323 Many changes, mostly thanks to the GCC project. 324 Cygnus Solutions is now Red Hat. 325 326 [10 years go by...] 327 328 1.20 Oct-5-98 329 Raffaele Sena produces ARM port. 330 331 1.19 Oct-5-98 332 Fixed x86 long double and long long return support. 333 m68k bug fixes from Andreas Schwab. 334 Patch for DU assembler compatibility for the Alpha from Richard 335 Henderson. 336 337 1.18 Apr-17-98 338 Bug fixes and MIPS configuration changes. 339 340 1.17 Feb-24-98 341 Bug fixes and m68k port from Andreas Schwab. PowerPC port from 342 Geoffrey Keating. Various bug x86, Sparc and MIPS bug fixes. 343 344 1.16 Feb-11-98 345 Richard Henderson produces Alpha port. 346 347 1.15 Dec-4-97 348 Fixed an n32 ABI bug. New libtool, auto* support. 349 350 1.14 May-13-97 351 libtool is now used to generate shared and static libraries. 352 Fixed a minor portability problem reported by Russ McManus 353 <mcmanr@eq.gs.com>. 354 355 1.13 Dec-2-96 356 Added --enable-purify-safety to keep Purify from complaining 357 about certain low level code. 358 Sparc fix for calling functions with < 6 args. 359 Linux x86 a.out fix. 360 361 1.12 Nov-22-96 362 Added missing ffi_type_void, needed for supporting void return 363 types. Fixed test case for non MIPS machines. Cygnus Support 364 is now Cygnus Solutions. 365 366 1.11 Oct-30-96 367 Added notes about GNU make. 368 369 1.10 Oct-29-96 370 Added configuration fix for non GNU compilers. 371 372 1.09 Oct-29-96 373 Added --enable-debug configure switch. Clean-ups based on LCLint 374 feedback. ffi_mips.h is always installed. Many configuration 375 fixes. Fixed ffitest.c for sparc builds. 376 377 1.08 Oct-15-96 378 Fixed n32 problem. Many clean-ups. 379 380 1.07 Oct-14-96 381 Gordon Irlam rewrites v8.S again. Bug fixes. 382 383 1.06 Oct-14-96 384 Gordon Irlam improved the sparc port. 385 386 1.05 Oct-14-96 387 Interface changes based on feedback. 388 389 1.04 Oct-11-96 390 Sparc port complete (modulo struct passing bug). 391 392 1.03 Oct-10-96 393 Passing struct args, and returning struct values works for 394 all architectures/calling conventions. Expanded tests. 395 396 1.02 Oct-9-96 397 Added SGI n32 support. Fixed bugs in both o32 and Linux support. 398 Added "make test". 399 400 1.01 Oct-8-96 401 Fixed float passing bug in mips version. Restructured some 402 of the code. Builds cleanly with SGI tools. 403 404 1.00 Oct-7-96 405 First release. No public announcement. 406 407Authors & Credits 408================= 409 410libffi was originally written by Anthony Green <green@moxielogic.com>. 411 412The developers of the GNU Compiler Collection project have made 413innumerable valuable contributions. See the ChangeLog file for 414details. 415 416Some of the ideas behind libffi were inspired by Gianni Mariani's free 417gencall library for Silicon Graphics machines. 418 419The closure mechanism was designed and implemented by Kresten Krab 420Thorup. 421 422Major processor architecture ports were contributed by the following 423developers: 424 425 aarch64 Marcus Shawcroft, James Greenhalgh 426 alpha Richard Henderson 427 arc Hackers at Synopsis 428 arm Raffaele Sena 429 avr32 Bradley Smith 430 blackfin Alexandre Keunecke I. de Mendonca 431 cris Simon Posnjak, Hans-Peter Nilsson 432 frv Anthony Green 433 ia64 Hans Boehm 434 m32r Kazuhiro Inaoka 435 m68k Andreas Schwab 436 m88k Miod Vallat 437 metag Hackers at Imagination Technologies 438 microblaze Nathan Rossi 439 mips Anthony Green, Casey Marshall 440 mips64 David Daney 441 moxie Anthony Green 442 nios ii Sandra Loosemore 443 openrisc Sebastian Macke 444 pa Randolph Chung, Dave Anglin, Andreas Tobler 445 powerpc Geoffrey Keating, Andreas Tobler, 446 David Edelsohn, John Hornkvist 447 powerpc64 Jakub Jelinek 448 riscv Michael Knyszek, Andrew Waterman, Stef O'Rear 449 s390 Gerhard Tonn, Ulrich Weigand 450 sh Kaz Kojima 451 sh64 Kaz Kojima 452 sparc Anthony Green, Gordon Irlam 453 tile-gx/tilepro Walter Lee 454 vax Miod Vallat 455 x86 Anthony Green, Jon Beniston 456 x86-64 Bo Thorsen 457 xtensa Chris Zankel 458 459Jesper Skov and Andrew Haley both did more than their fair share of 460stepping through the code and tracking down bugs. 461 462Thanks also to Tom Tromey for bug fixes, documentation and 463configuration help. 464 465Thanks to Jim Blandy, who provided some useful feedback on the libffi 466interface. 467 468Andreas Tobler has done a tremendous amount of work on the testsuite. 469 470Alex Oliva solved the executable page problem for SElinux. 471 472The list above is almost certainly incomplete and inaccurate. I'm 473happy to make corrections or additions upon request. 474 475If you have a problem, or have found a bug, please send a note to the 476author at green@moxielogic.com, or the project mailing list at 477libffi-discuss@sourceware.org. 478