| //! This module defines the different ffi_abi values for each platform. |
| //! |
| //! This module is set-up to define all the constants for each platform, but only export those which |
| //! are actually relevant to the target arch. This is done as a compile check to ensure the code |
| //! paths in less utilized architectures largely continue to compile. |
| |
| #![allow(unused)] |
| |
| /// From libffi:src/x86/ffitarget.h. |
| /// See: <https://github.com/libffi/libffi/blob/369ef49f71186fc9d6ab15614488ad466fac3fc1/src/x86/ffitarget.h#L80> |
| mod x86 { |
| pub mod x86_win64 { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 0; |
| pub const ffi_abi_FFI_WIN64: ffi_abi = 1; |
| pub const ffi_abi_FFI_GNUW64: ffi_abi = 2; |
| pub const ffi_abi_FFI_LAST_ABI: ffi_abi = 3; |
| |
| mod gnu { |
| pub const ffi_abi_FFI_DEFAULT_ABI: crate::ffi_abi = super::ffi_abi_FFI_GNUW64; |
| } |
| |
| mod msvc { |
| pub const ffi_abi_FFI_DEFAULT_ABI: crate::ffi_abi = super::ffi_abi_FFI_GNUW64; |
| } |
| |
| #[cfg(target_env = "gnu")] |
| pub use gnu::*; |
| #[cfg(target_env = "msvc")] |
| pub use msvc::*; |
| |
| // See: https://github.com/libffi/libffi/blob/0f2dd369cd5edcefad29b3fca4e1d08cb34f8f19/src/x86/ffitarget.h#L141 |
| pub const FFI_TRAMPOLINE_SIZE: usize = 32; |
| pub const FFI_NATIVE_RAW_API: u32 = 0; |
| } |
| |
| pub mod x86_64 { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 1; |
| pub const ffi_abi_FFI_UNIX64: ffi_abi = 2; |
| pub const ffi_abi_FFI_WIN64: ffi_abi = 3; |
| pub const ffi_abi_FFI_EFI64: ffi_abi = ffi_abi_FFI_WIN64; |
| pub const ffi_abi_FFI_GNUW64: ffi_abi = 4; |
| pub const ffi_abi_FFI_LAST_ABI: ffi_abi = 5; |
| pub const ffi_abi_FFI_DEFAULT_ABI: ffi_abi = ffi_abi_FFI_UNIX64; |
| |
| // See: https://github.com/libffi/libffi/blob/0f2dd369cd5edcefad29b3fca4e1d08cb34f8f19/src/x86/ffitarget.h#L141 |
| pub const FFI_TRAMPOLINE_SIZE: usize = 32; |
| pub const FFI_NATIVE_RAW_API: u32 = 0; |
| } |
| |
| pub mod x86_win32 { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 0; |
| pub const ffi_abi_FFI_SYSV: ffi_abi = 1; |
| pub const ffi_abi_FFI_STDCALL: ffi_abi = 2; |
| pub const ffi_abi_FFI_THISCALL: ffi_abi = 3; |
| pub const ffi_abi_FFI_FASTCALL: ffi_abi = 4; |
| pub const ffi_abi_FFI_MS_CDECL: ffi_abi = 5; |
| pub const ffi_abi_FFI_PASCAL: ffi_abi = 6; |
| pub const ffi_abi_FFI_REGISTER: ffi_abi = 7; |
| pub const ffi_abi_FFI_LAST_ABI: ffi_abi = 8; |
| pub const ffi_abi_FFI_DEFAULT_ABI: ffi_abi = ffi_abi_FFI_MS_CDECL; |
| |
| // See: https://github.com/libffi/libffi/blob/369ef49f71186fc9d6ab15614488ad466fac3fc1/src/x86/ffitarget.h#L137 |
| pub const FFI_TRAMPOLINE_SIZE: usize = 12; |
| pub const FFI_NATIVE_RAW_API: u32 = 1; |
| } |
| |
| pub mod x86 { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 0; |
| pub const ffi_abi_FFI_SYSV: ffi_abi = 1; |
| pub const ffi_abi_FFI_THISCALL: ffi_abi = 3; |
| pub const ffi_abi_FFI_FASTCALL: ffi_abi = 4; |
| pub const ffi_abi_FFI_STDCALL: ffi_abi = 5; |
| pub const ffi_abi_FFI_PASCAL: ffi_abi = 6; |
| pub const ffi_abi_FFI_REGISTER: ffi_abi = 7; |
| pub const ffi_abi_FFI_MS_CDECL: ffi_abi = 8; |
| pub const ffi_abi_FFI_LAST_ABI: ffi_abi = 9; |
| pub const ffi_abi_FFI_DEFAULT_ABI: ffi_abi = ffi_abi_FFI_SYSV; |
| |
| // See: https://github.com/libffi/libffi/blob/369ef49f71186fc9d6ab15614488ad466fac3fc1/src/x86/ffitarget.h#L137 |
| pub const FFI_TRAMPOLINE_SIZE: usize = 12; |
| pub const FFI_NATIVE_RAW_API: u32 = 1; |
| } |
| |
| pub const FFI_GO_CLOSURES: u32 = 1; |
| } |
| |
| #[cfg(all(target_arch = "x86_64", windows))] |
| pub use x86::x86_win64::*; |
| |
| #[cfg(all(target_arch = "x86_64", unix))] |
| pub use x86::x86_64::*; |
| |
| #[cfg(all(target_arch = "x86", windows))] |
| pub use x86::x86_win32::*; |
| |
| #[cfg(all(target_arch = "x86", unix))] |
| pub use x86::x86::*; |
| |
| /// From libffi:src/arm/ffitarget.h. |
| /// See: <https://github.com/libffi/libffi/blob/db5706ff285c476aa3c0f811ff2b188319ac3ebe/src/arm/ffitarget.h> |
| mod arm { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 0; |
| pub const ffi_abi_FFI_SYSV: ffi_abi = 1; |
| pub const ffi_abi_FFI_VFP: ffi_abi = 2; |
| pub const ffi_abi_FFI_LAST_ABI: ffi_abi = 3; |
| pub const ffi_abi_FFI_DEFAULT_ABI: ffi_abi = ffi_abi_FFI_SYSV; |
| |
| // See: <https://github.com/libffi/libffi/blob/db5706ff285c476aa3c0f811ff2b188319ac3ebe/src/arm/ffitarget.h#L84> |
| pub const FFI_GO_CLOSURES: u32 = 1; |
| pub const FFI_TRAMPOLINE_SIZE: usize = 12; |
| pub const FFI_NATIVE_RAW_API: u32 = 0; |
| } |
| |
| #[cfg(target_arch = "arm")] |
| pub use arm::*; |
| |
| /// From libffi:src/aarch64/ffitarget.h. |
| /// See: <https://github.com/libffi/libffi/blob/c2a6859012d928b67a83619bd5087674a96b9254/src/aarch64/ffitarget.h#L44> |
| mod aarch64 { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 0; |
| pub const ffi_abi_FFI_SYSV: ffi_abi = 1; |
| pub const ffi_abi_FFI_LAST_ABI: ffi_abi = 2; |
| pub const ffi_abi_FFI_DEFAULT_ABI: ffi_abi = ffi_abi_FFI_SYSV; |
| |
| pub const FFI_NATIVE_RAW_API: u32 = 0; |
| |
| #[cfg(target_vendor = "apple")] |
| pub const FFI_TRAMPOLINE_SIZE: usize = 16; |
| |
| #[cfg(not(target_vendor = "apple"))] |
| pub const FFI_TRAMPOLINE_SIZE: usize = 32; |
| |
| // No GO_CLOSURES on iOS or Windows |
| #[cfg(not(any(target_os = "windows", target_vendor = "apple")))] |
| pub const FFI_GO_CLOSURES: u32 = 1; |
| } |
| |
| #[cfg(target_arch = "aarch64")] |
| pub use aarch64::*; |
| |
| /// From libffi:src/powerpc/ffitarget.h. |
| /// See: <https://github.com/libffi/libffi/blob/73dd43afc8a447ba98ea02e9aad4c6898dc77fb0/src/powerpc/ffitarget.h#L60> |
| mod powerpc { |
| pub mod powerpc { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 0; |
| pub const ffi_abi_FFI_SYSV_SOFT_FLOAT: ffi_abi = 0b000001; |
| pub const ffi_abi_FFI_SYSV_STRUCT_RET: ffi_abi = 0b000010; |
| pub const ffi_abi_FFI_SYSV_IBM_LONG_DOUBLE: ffi_abi = 0b000100; |
| pub const ffi_abi_FFI_SYSV: ffi_abi = 0b001000; |
| pub const ffi_abi_FFI_SYSV_LONG_DOUBLE_128: ffi_abi = 0b010000; |
| |
| mod fprs { |
| pub const SOFT_FLOAT_FLAG: crate::ffi_abi = 0b0; |
| } |
| |
| mod no_fprs { |
| pub const SOFT_FLOAT_FLAG: crate::ffi_abi = super::ffi_abi_FFI_SYSV_SOFT_FLOAT; |
| } |
| |
| #[cfg(target_env = "gnuspe")] |
| use no_fprs::*; |
| |
| #[cfg(not(target_feature = "gnuspe"))] |
| use fprs::*; |
| |
| mod struct_ret { |
| pub const STRUCT_RET_FLAG: crate::ffi_abi = super::ffi_abi_FFI_SYSV_STRUCT_RET; |
| } |
| |
| mod no_struct_ret { |
| pub const STRUCT_RET_FLAG: crate::ffi_abi = 0b0; |
| } |
| |
| #[cfg(target_os = "netbsd")] |
| use struct_ret::*; |
| |
| #[cfg(not(target_os = "netbsd"))] |
| use no_struct_ret::*; |
| |
| mod long_double_64 { |
| pub const LONG_DOUBLE_128_FLAG: crate::ffi_abi = 0b0; |
| } |
| |
| mod long_double_128 { |
| pub const LONG_DOUBLE_128_FLAG: crate::ffi_abi = |
| super::ffi_abi_FFI_SYSV_LONG_DOUBLE_128; |
| } |
| |
| // IEEE128 is not supported on BSD or when targeting musl: |
| // https://github.com/rust-lang/llvm-project/blob/cb7f903994646c5b9223e0bb6cee3792190991f7/clang/lib/Basic/Targets/PPC.h#L379 |
| |
| #[cfg(any(target_os = "netbsd", target_os = "freebsd", target_env = "musl"))] |
| use long_double_64::*; |
| |
| #[cfg(not(any(target_os = "netbsd", target_os = "freebsd", target_env = "musl")))] |
| use long_double_128::*; |
| |
| pub const ffi_abi_FFI_DEFAULT_ABI: ffi_abi = ffi_abi_FFI_SYSV |
| | ffi_abi_FFI_SYSV_IBM_LONG_DOUBLE |
| | SOFT_FLOAT_FLAG |
| | STRUCT_RET_FLAG |
| | LONG_DOUBLE_128_FLAG; |
| |
| pub const FFI_TRAMPOLINE_SIZE: usize = 40; |
| pub const FFI_NATIVE_RAW_API: u32 = 0; |
| pub const FFI_GO_CLOSURES: u32 = 1; |
| } |
| |
| pub mod powerpc64 { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 0; |
| pub const ffi_abi_FFI_LINUX_STRUCT_ALIGN: ffi_abi = 0b000001; |
| pub const ffi_abi_FFI_LINUX_LONG_DOUBLE_128: ffi_abi = 0b000010; |
| pub const ffi_abi_FFI_LINUX_LONG_DOUBLE_IEEE128: ffi_abi = 0b000100; |
| pub const ffi_abi_FFI_LINUX: ffi_abi = 0b001000; |
| |
| mod elfv1 { |
| pub const STRUCT_ALIGN_FLAG: crate::ffi_abi = 0b0; |
| pub const FFI_TRAMPOLINE_SIZE: usize = 24; |
| } |
| |
| mod elfv2 { |
| pub const STRUCT_ALIGN_FLAG: crate::ffi_abi = super::ffi_abi_FFI_LINUX_STRUCT_ALIGN; |
| pub const FFI_TRAMPOLINE_SIZE: usize = 32; |
| } |
| |
| // I think this should be something like `target_abi = "elf_v2"`, but that's not yet |
| // supported. |
| // Discussion: https://github.com/rust-lang/rust/issues/60617 |
| // RFC: https://github.com/rust-lang/rfcs/pull/2992 |
| // |
| // Instead, this is based on the current defaults at the time of this writing: |
| // https://github.com/rust-lang/rust/blob/50d2c3abd59af8cbed7e001b5b4e2f6a9a011112/src/librustc_target/abi/call/powerpc64.rs#L122 |
| |
| #[cfg(any( |
| // ELFv1 is the used for powerpc64 when not targeting musl |
| all(target_arch = "powerpc64", target_endian="big", not(target_env = "musl")), |
| // Use empty flags when targeting a non-PowerPC target, too, just so code compiles. |
| not(all(target_arch = "powerpc64", target_endian="little")) |
| ))] |
| mod elf { |
| pub use super::elfv1::*; |
| } |
| |
| // ELFv2 is used for Little-Endian powerpc64 and with musl |
| #[cfg(any( |
| all(target_arch = "powerpc64", target_endian = "big", target_env = "musl"), |
| all(target_arch = "powerpc64", target_endian = "little") |
| ))] |
| mod elf { |
| pub use super::elfv2::*; |
| } |
| |
| pub use elf::FFI_TRAMPOLINE_SIZE; |
| use elf::STRUCT_ALIGN_FLAG; |
| |
| mod long_double_64 { |
| pub const LONG_DOUBLE_128_FLAG: crate::ffi_abi = 0b0; |
| } |
| |
| mod long_double_128 { |
| pub const LONG_DOUBLE_128_FLAG: crate::ffi_abi = |
| super::ffi_abi_FFI_LINUX_LONG_DOUBLE_128; |
| } |
| |
| // IEEE128 is not supported on BSD or when targeting musl: |
| // https://github.com/rust-lang/llvm-project/blob/cb7f903994646c5b9223e0bb6cee3792190991f7/clang/lib/Basic/Targets/PPC.h#L417 |
| |
| #[cfg(any(target_os = "netbsd", target_os = "freebsd", target_env = "musl"))] |
| use long_double_64::*; |
| |
| #[cfg(not(any(target_os = "netbsd", target_os = "freebsd", target_env = "musl")))] |
| use long_double_128::*; |
| |
| pub const ffi_abi_FFI_DEFAULT_ABI: ffi_abi = |
| ffi_abi_FFI_LINUX | STRUCT_ALIGN_FLAG | LONG_DOUBLE_128_FLAG; |
| |
| pub const FFI_NATIVE_RAW_API: u32 = 0; |
| pub const FFI_GO_CLOSURES: u32 = 1; |
| } |
| } |
| |
| #[cfg(target_arch = "powerpc")] |
| pub use powerpc::powerpc::*; |
| |
| #[cfg(target_arch = "powerpc64")] |
| pub use powerpc::powerpc64::*; |
| |
| /// From libffi:src/riscv/ffitarget.h |
| /// See: <https://github.com/libffi/libffi/blob/4cb776bc8075332d2f3e59f51785d621fcda48f6/src/riscv/ffitarget.h> |
| mod riscv { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 0; |
| pub const ffi_abi_FFI_SYSV: ffi_abi = 1; |
| pub const ffi_abi_FFI_UNUSED_1: ffi_abi = 2; |
| pub const ffi_abi_FFI_UNUSED_2: ffi_abi = 3; |
| pub const ffi_abi_FFI_UNUSED_3: ffi_abi = 4; |
| pub const ffi_abi_LAST_ABI: ffi_abi = 5; |
| pub const ffi_abi_FFI_DEFAULT_ABI: ffi_abi = ffi_abi_FFI_SYSV; |
| |
| // See: <https://github.com/libffi/libffi/blob/4cb776bc8075332d2f3e59f51785d621fcda48f6/src/riscv/ffitarget.h#L63> |
| pub const FFI_GO_CLOSURES: u32 = 1; |
| pub const FFI_TRAMPOLINE_SIZE: usize = 24; |
| pub const FFI_NATIVE_RAW_API: u32 = 0; |
| } |
| |
| #[cfg(target_arch = "riscv")] |
| pub use riscv::*; |
| |
| #[cfg(target_arch = "riscv64")] |
| pub use riscv::*; |
| |
| /// From libffi:src/s390/ffitarget.h |
| /// See: <https://github.com/libffi/libffi/blob/c6dc125afba294b9b9613392c492ae18df3ede84/src/s390/ffitarget.h> |
| mod s390x { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 0; |
| pub const ffi_abi_FFI_SYSV: ffi_abi = 1; |
| pub const ffi_abi_LAST_ABI: ffi_abi = 2; |
| pub const ffi_abi_FFI_DEFAULT_ABI: ffi_abi = ffi_abi_FFI_SYSV; |
| |
| pub const FFI_GO_CLOSURES: u32 = 1; |
| pub const FFI_TRAMPOLINE_SIZE: usize = 32; |
| pub const FFI_NATIVE_RAW_API: u32 = 0; |
| } |
| |
| #[cfg(target_arch = "s390x")] |
| pub use s390x::*; |
| |
| /// From libffi:src/loongarch64/ffitarget.h. |
| /// See: <https://github.com/libffi/libffi/blob/f24180be1367f942824365b131ae894b9c769c7d/src/loongarch64/ffitarget.h#L47> |
| mod loongarch64 { |
| use crate::ffi_abi; |
| |
| pub const ffi_abi_FFI_FIRST_ABI: ffi_abi = 0; |
| pub const ffi_abi_FFI_LP64S: ffi_abi = 1; |
| pub const ffi_abi_FFI_LP64F: ffi_abi = 2; |
| pub const ffi_abi_FFI_LP64D: ffi_abi = 3; |
| pub const ffi_abi_FFI_LAST_ABI: ffi_abi = 4; |
| pub const ffi_abi_FFI_DEFAULT_ABI: ffi_abi = ffi_abi_FFI_LP64D; |
| |
| pub const FFI_GO_CLOSURES: u32 = 1; |
| pub const FFI_TRAMPOLINE_SIZE: usize = 24; |
| pub const FFI_NATIVE_RAW_API: u32 = 0; |
| } |
| |
| #[cfg(target_arch = "loongarch64")] |
| pub use loongarch64::*; |
