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deps: update libffi to 3.7.1 · nodejs/node@0e7554c · GitHub

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deps: update libffi to 3.7.1
PR-URL: #64438 Reviewed-By: Paolo Insogna <paolo@cowtech.it> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
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‎deps/libffi/ChangeLog‎

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‎deps/libffi/LICENSE‎

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libffi - Copyright (c) 1996-2025 Anthony Green, Red Hat, Inc and others.
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libffi - Copyright (c) 1996-2026 Anthony Green, Red Hat, Inc and others.
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See source files for details.
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Permission is hereby granted, free of charge, to any person obtaining

‎deps/libffi/README.md‎

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libffi-3.6.0 was released on June 20, 2026.
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libffi-3.7.1 was released on July 10, 2026.
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What is libffi?
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See the git log for details at http://github.com/libffi/libffi.
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3.7.1 July-10-2026
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Fix aarch64 ffi_call memory corruption when passing many large
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structs by value.
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Fix i386 thiscall/fastcall closure stack cleanup for 64-bit
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integer and struct arguments.
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Fix aarch64 int128 argument split between x7 and the stack on
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Darwin (#993).
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Fix aarch64 clang-cl link failure for HFA helper functions (#996).
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Build a generic ffi_call_plan fallback on Windows x86-64.
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Add Windows ARM64 (MSVC) build and continuous integration support.
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3.7.0 July-7-2026
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Add reusable call plans (ffi_call_plan_alloc/ffi_call_plan_invoke/ffi_call_plan_free).
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Fix PA-RISC build broken by the conditional __int128 support added in 3.6.0.
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Fix PA-RISC stack overflow passing many small structs by value.
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Fix powerpc aix/darwin closure build errors (#987).
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Include .note.GNU-stack on FreeBSD/x86 (#991).
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Fix MSVC Win32 spin-lock atomics in bundled dlmalloc (#989).
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Harden static trampoline and x86_64 closure internals.
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Fix ffi_call clobbering the caller's argument pointer array
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when passing large structs by value.
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Allow a NULL rvalue in ffi_call to discard the return value.
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Fix wasm widening of integral returns narrower than ffi_arg.
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3.6.0 Jun-20-2026
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Add LoongArch32 support.
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Add RISC-V static trampoline support.

‎deps/libffi/configure‎

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#! /bin/sh
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# Guess values for system-dependent variables and create Makefiles.
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# Generated by GNU Autoconf 2.71 for libffi 3.6.0.
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# Generated by GNU Autoconf 2.71 for libffi 3.7.1.
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#
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# Report bugs to <http://github.com/libffi/libffi/issues>.
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#
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# Identity of this package.
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PACKAGE_NAME='libffi'
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PACKAGE_TARNAME='libffi'
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PACKAGE_VERSION='3.6.0'
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PACKAGE_STRING='libffi 3.6.0'
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PACKAGE_VERSION='3.7.1'
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PACKAGE_STRING='libffi 3.7.1'
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PACKAGE_BUGREPORT='http://github.com/libffi/libffi/issues'
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PACKAGE_URL=''
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# Omit some internal or obsolete options to make the list less imposing.
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# This message is too long to be a string in the A/UX 3.1 sh.
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cat <<_ACEOF
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\`configure' configures libffi 3.6.0 to adapt to many kinds of systems.
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\`configure' configures libffi 3.7.1 to adapt to many kinds of systems.
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Usage: $0 [OPTION]... [VAR=VALUE]...
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if test -n "$ac_init_help"; then
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case $ac_init_help in
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short | recursive ) echo "Configuration of libffi 3.6.0:";;
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short | recursive ) echo "Configuration of libffi 3.7.1:";;
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esac
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cat <<\_ACEOF
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test -n "$ac_init_help" && exit $ac_status
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if $ac_init_version; then
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cat <<\_ACEOF
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libffi configure 3.6.0
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libffi configure 3.7.1
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generated by GNU Autoconf 2.71
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Copyright (C) 2021 Free Software Foundation, Inc.
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This file contains any messages produced by compilers while
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running configure, to aid debugging if configure makes a mistake.
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It was created by libffi $as_me 3.6.0, which was
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It was created by libffi $as_me 3.7.1, which was
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generated by GNU Autoconf 2.71. Invocation command line was
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$ $0$ac_configure_args_raw
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ac_config_headers="$ac_config_headers fficonfig.h"
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3236-
FFI_VERSION_STRING="3.5.2"
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FFI_VERSION_NUMBER=30502
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FFI_VERSION_STRING="3.7.1"
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ffi_version_major=`echo "3.7.1" | cut -d. -f1`
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ffi_version_minor=`echo "3.7.1" | cut -d. -f2 | sed 's/[^0-9].*//'`
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ffi_version_micro=`echo "3.7.1" | cut -d. -f3 | sed 's/[^0-9].*//'`
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FFI_VERSION_NUMBER=`expr ${ffi_version_major:-0} \* 10000 + ${ffi_version_minor:-0} \* 100 + ${ffi_version_micro:-0}`
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# Define the identity of the package.
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PACKAGE='libffi'
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VERSION='3.6.0'
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VERSION='3.7.1'
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printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
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# report actual input values of CONFIG_FILES etc. instead of their
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# values after options handling.
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ac_log="
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This file was extended by libffi $as_me 3.6.0, which was
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This file was extended by libffi $as_me 3.7.1, which was
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generated by GNU Autoconf 2.71. Invocation command line was
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CONFIG_FILES = $CONFIG_FILES
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cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
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ac_cs_config='$ac_cs_config_escaped'
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ac_cs_version="\\
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libffi config.status 3.6.0
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libffi config.status 3.7.1
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configured by $0, generated by GNU Autoconf 2.71,
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with options \\"\$ac_cs_config\\"
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‎deps/libffi/configure.ac‎

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AC_PREREQ([2.68])
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AC_INIT([libffi],[3.6.0],[http://github.com/libffi/libffi/issues])
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AC_INIT([libffi],[3.7.1],[http://github.com/libffi/libffi/issues])
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AC_CONFIG_HEADERS([fficonfig.h])
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FFI_VERSION_STRING="3.5.2"
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FFI_VERSION_NUMBER=30502
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dnl Derive the version macros from AC_INIT so they cannot drift when the
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dnl release version is bumped. FFI_VERSION_NUMBER encodes X.Y.Z as
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dnl X*10000 + Y*100 + Z, ignoring any non-numeric suffix (e.g. -rc0).
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FFI_VERSION_STRING="AC_PACKAGE_VERSION"
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ffi_version_major=`echo "AC_PACKAGE_VERSION" | cut -d. -f1`
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ffi_version_minor=`echo "AC_PACKAGE_VERSION" | cut -d. -f2 | sed 's/[[^0-9]].*//'`
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ffi_version_micro=`echo "AC_PACKAGE_VERSION" | cut -d. -f3 | sed 's/[[^0-9]].*//'`
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FFI_VERSION_NUMBER=`expr ${ffi_version_major:-0} \* 10000 + ${ffi_version_minor:-0} \* 100 + ${ffi_version_micro:-0}`
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AC_SUBST(FFI_VERSION_STRING)
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AC_SUBST(FFI_VERSION_NUMBER)
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‎deps/libffi/doc/libffi.info‎

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This manual is for libffi, a portable foreign function interface
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library.
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Copyright © 2008-2025 Anthony Green and Red Hat, Inc.
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Copyright © 2008-2026 Anthony Green and Red Hat, Inc.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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This manual is for libffi, a portable foreign function interface
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library.
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Copyright © 2008-2025 Anthony Green and Red Hat, Inc.
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Copyright © 2008-2026 Anthony Green and Red Hat, Inc.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
@@ -112,6 +112,7 @@ File: libffi.info, Node: Using libffi, Next: Memory Usage, Prev: Introduction
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* Simple Example:: A simple example.
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* Types:: libffi type descriptions.
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* Multiple ABIs:: Different passing styles on one platform.
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* Reusable Call Plans:: Building a call plan once and reusing it.
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* The Closure API:: Writing a generic function.
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* Closure Example:: A closure example.
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* Thread Safety:: Thread safety.
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responsibility to ensure this. If CIF declares that the function
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returns ‘void’ (using ‘ffi_type_void’), then RVALUE is ignored.
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RVALUE may also be ‘NULL’, in which case the call is performed and
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the return value is discarded. This works for any return type,
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including structures returned in memory; ‘libffi’ supplies internal
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scratch space for the callee when needed.
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203209
In most situations, ‘libffi’ will handle promotion according to the
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ABI. However, for historical reasons, there is a special case with
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return values that must be handled by your code. In particular,
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AVALUES is a vector of ‘void *’ pointers that point to the memory
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locations holding the argument values for a call. If CIF declares
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that the function has no arguments (i.e., NARGS was 0), then
216-
AVALUES is ignored.
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AVALUES is ignored. ‘ffi_call’ does not modify the vector or the
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argument values it points to, so both may be reused for subsequent
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calls.
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Note that while the return value must be register-sized, arguments
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should exactly match their declared type. For example, if an
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type descriptors in the previous example.
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File: libffi.info, Node: Multiple ABIs, Next: The Closure API, Prev: Types, Up: Using libffi
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File: libffi.info, Node: Multiple ABIs, Next: Reusable Call Plans, Prev: Types, Up: Using libffi
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2.4 Multiple ABIs
745753
=================
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necessarily platform-specific.
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File: libffi.info, Node: The Closure API, Next: Closure Example, Prev: Multiple ABIs, Up: Using libffi
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File: libffi.info, Node: Reusable Call Plans, Next: The Closure API, Prev: Multiple ABIs, Up: Using libffi
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764+
2.5 Reusable Call Plans
765+
=======================
766+
767+
When the same signature is called many times - as language bindings
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typically do - you can build a “call plan” once and reuse it, so that
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each call avoids the work ‘ffi_call’ would otherwise repeat on every
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invocation. A plan is an opaque, caller-owned object built from a
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prepared ‘ffi_cif’.
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773+
-- Function: ffi_call_plan * ffi_call_plan_alloc (ffi_cif *CIF)
774+
Builds and returns a reusable plan for the signature described by
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CIF, which must already have been prepared with ‘ffi_prep_cif’.
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The plan does not copy CIF; CIF must remain valid for as long as
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the plan is used.
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Returns ‘NULL’ only when memory cannot be allocated. A signature
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for which no accelerated path exists is still valid: the returned
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plan simply falls back to ‘ffi_call’ when it is invoked.
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-- Function: void ffi_call_plan_invoke (ffi_call_plan *PLAN, void *FN,
784+
void *RVALUE, void **AVALUES)
785+
Calls FN using PLAN. The FN, RVALUE, and AVALUES arguments have
786+
exactly the same meaning as for ‘ffi_call’ (*note The Basics::),
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including the rule that integral return values narrower than a
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register are widened to ‘ffi_arg’.
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790+
A plan is immutable once built, so a single plan may be invoked
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concurrently from multiple threads without additional locking.
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-- Function: void ffi_call_plan_free (ffi_call_plan *PLAN)
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Releases a plan returned by ‘ffi_call_plan_alloc’. Passing ‘NULL’
795+
is harmless. The ‘ffi_cif’ the plan was built from is not
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affected.
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File: libffi.info, Node: The Closure API, Next: Closure Example, Prev: Reusable Call Plans, Up: Using libffi
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2.5 The Closure API
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2.6 The Closure API
757802
===================
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759804
‘libffi’ also provides a way to write a generic function - a function
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858903
File: libffi.info, Node: Closure Example, Next: Thread Safety, Prev: The Closure API, Up: Using libffi
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860-
2.6 Closure Example
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2.7 Closure Example
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===================
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863908
A trivial example that creates a new ‘puts’ by binding ‘fputs’ with
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917962
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2.7 Thread Safety
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2.8 Thread Safety
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=================
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922967
‘libffi’ is not completely thread-safe. However, many parts are, and if
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10041049
* cif: The Basics. (line 14)
10051050
* closure API: The Closure API. (line 13)
10061051
* closures: The Closure API. (line 13)
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* const char *: The Basics. (line 106)
1052+
* const char *: The Basics. (line 113)
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* FFI: Introduction. (line 31)
10091054
* ffi_call: The Basics. (line 72)
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* ffi_call_plan *: Reusable Call Plans. (line 12)
1056+
* ffi_call_plan_alloc: Reusable Call Plans. (line 12)
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* ffi_call_plan_free: Reusable Call Plans. (line 32)
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* ffi_call_plan_invoke: Reusable Call Plans. (line 22)
10101059
* ffi_closure_alloc: The Closure API. (line 19)
10111060
* ffi_closure_free: The Closure API. (line 26)
10121061
* FFI_CLOSURES: The Closure API. (line 13)
1013-
* ffi_get_closure_size: The Basics. (line 118)
1014-
* ffi_get_default_abi: The Basics. (line 115)
1062+
* ffi_get_closure_size: The Basics. (line 125)
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* ffi_get_default_abi: The Basics. (line 122)
10151064
* ffi_get_struct_offsets: Size and Alignment. (line 39)
1016-
* ffi_get_version: The Basics. (line 106)
1017-
* ffi_get_version_number: The Basics. (line 110)
1065+
* ffi_get_version: The Basics. (line 113)
1066+
* ffi_get_version_number: The Basics. (line 117)
10181067
* ffi_prep_cif: The Basics. (line 16)
10191068
* ffi_prep_cif_var: The Basics. (line 39)
10201069
* ffi_prep_closure_loc: The Closure API. (line 41)
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10511100
* ffi_type_ushort: Primitive Types. (line 53)
10521101
* ffi_type_void: Primitive Types. (line 10)
10531102
* Foreign Function Interface: Introduction. (line 31)
1054-
* size_t: The Basics. (line 118)
1055-
* unsigned int: The Basics. (line 115)
1056-
* unsigned long: The Basics. (line 110)
1103+
* size_t: The Basics. (line 125)
1104+
* unsigned int: The Basics. (line 122)
1105+
* unsigned long: The Basics. (line 117)
10571106
* void: The Basics. (line 72)
1058-
* void <1>: The Closure API. (line 19)
1059-
* void <2>: The Closure API. (line 26)
1107+
* void <1>: Reusable Call Plans. (line 22)
1108+
* void <2>: Reusable Call Plans. (line 32)
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* void <3>: The Closure API. (line 19)
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* void <4>: The Closure API. (line 26)
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10611112

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10631114
Tag Table:
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Node: Top1387
10651116
Node: Introduction2909
10661117
Node: Using libffi4569
1067-
Node: The Basics5098
1068-
Node: Simple Example10868
1069-
Node: Types11925
1070-
Node: Primitive Types12436
1071-
Node: Structures14753
1072-
Node: Size and Alignment15864
1073-
Node: Arrays Unions Enums18135
1074-
Node: Type Example21112
1075-
Node: Complex22418
1076-
Node: Complex Type Example23932
1077-
Node: Multiple ABIs26984
1078-
Node: The Closure API27367
1079-
Node: Closure Example31703
1080-
Node: Thread Safety33347
1081-
Node: Memory Usage34180
1082-
Node: Missing Features35455
1083-
Node: Index35832
1118+
Node: The Basics5172
1119+
Node: Simple Example11346
1120+
Node: Types12403
1121+
Node: Primitive Types12914
1122+
Node: Structures15231
1123+
Node: Size and Alignment16342
1124+
Node: Arrays Unions Enums18613
1125+
Node: Type Example21590
1126+
Node: Complex22896
1127+
Node: Complex Type Example24410
1128+
Node: Multiple ABIs27462
1129+
Node: Reusable Call Plans27849
1130+
Node: The Closure API29566
1131+
Node: Closure Example33908
1132+
Node: Thread Safety35552
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Node: Memory Usage36385
1134+
Node: Missing Features37660
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Node: Index38037
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End Tag Table
10861138

‎deps/libffi/doc/libffi.pdf‎

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