Enum rustc_codegen_llvm::abi::Abi

pub(crate) enum Abi {
    Rust,
    C {
        unwind: bool,
    },
    Cdecl {
        unwind: bool,
    },
    Stdcall {
        unwind: bool,
    },
    Fastcall {
        unwind: bool,
    },
    Vectorcall {
        unwind: bool,
    },
    Thiscall {
        unwind: bool,
    },
    Aapcs {
        unwind: bool,
    },
    Win64 {
        unwind: bool,
    },
    SysV64 {
        unwind: bool,
    },
    PtxKernel,
    Msp430Interrupt,
    X86Interrupt,
    EfiApi,
    AvrInterrupt,
    AvrNonBlockingInterrupt,
    CCmseNonSecureCall,
    System {
        unwind: bool,
    },
    RustIntrinsic,
    RustCall,
    Unadjusted,
    RustCold,
    RiscvInterruptM,
    RiscvInterruptS,
}

Variants

Rust

C

Fields

unwind: bool

Cdecl

Fields

unwind: bool

Stdcall

Fields

unwind: bool

Fastcall

Fields

unwind: bool

Vectorcall

Fields

unwind: bool

Thiscall

Fields

unwind: bool

Aapcs

Fields

unwind: bool

Win64

Fields

unwind: bool

SysV64

Fields

unwind: bool

PtxKernel

Msp430Interrupt

X86Interrupt

EfiApi

AvrInterrupt

AvrNonBlockingInterrupt

CCmseNonSecureCall

System

Fields

unwind: bool

RustIntrinsic

RustCall

Unadjusted

Not a stable ABI, just directly use the Rust types to describe the ABI for LLVM. Even normally ABI-compatible Rust types can become ABI-incompatible with this ABI!

RustCold

For things unlikely to be called, where reducing register pressure in extern "Rust" callers is worth paying extra cost in the callee. Stronger than just #[cold] because fn pointers might be incompatible.

RiscvInterruptM

RiscvInterruptS

Implementations

impl Abi

pub fn supports_varargs(self) -> bool

impl Abi

pub const FALLBACK: Abi = _

Default ABI chosen for extern fn declarations without an explicit ABI.

pub fn index(self) -> usize

pub fn data(self) -> &'static AbiData

pub fn name(self) -> &'static str

Trait Implementations

impl<'tcx> Abi<TyCtxt<'tcx>> for Abi

fn rust() -> Abi

fn is_rust(self) -> bool

Whether this ABI is extern "Rust".

impl Clone for Abi

fn clone(&self) -> Abi

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Abi

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<__D> Decodable<__D> for Abi

where __D: SpanDecoder,

fn decode(__decoder: &mut __D) -> Abi

impl Display for Abi

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<__E> Encodable<__E> for Abi

where __E: SpanEncoder,

fn encode(&self, __encoder: &mut __E)

impl Hash for Abi

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<__CTX> HashStable<__CTX> for Abi

where __CTX: HashStableContext,

fn hash_stable( &self, __hcx: &mut __CTX, __hasher: &mut StableHasher<SipHasher128>, )

impl<'tcx> Lift<TyCtxt<'tcx>> for Abi

type Lifted = Abi

fn lift_to_interner(self, _: TyCtxt<'tcx>) -> Option<Abi>

impl Ord for Abi

fn cmp(&self, other: &Abi) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized + PartialOrd,

Restrict a value to a certain interval.

impl PartialEq for Abi

fn eq(&self, other: &Abi) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for Abi

fn partial_cmp(&self, other: &Abi) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'tcx> Relate<TyCtxt<'tcx>> for Abi

fn relate<R>( _relation: &mut R, a: Abi, b: Abi, ) -> Result<Abi, TypeError<TyCtxt<'tcx>>>

where R: TypeRelation<TyCtxt<'tcx>>,

impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for Abi

fn try_fold_with<F>( self, _: &mut F, ) -> Result<Abi, <F as FallibleTypeFolder<TyCtxt<'tcx>>>::Error>

where F: FallibleTypeFolder<TyCtxt<'tcx>>,

The entry point for folding. To fold a value t with a folder f call: t.try_fold_with(f).

fn fold_with<F>(self, _: &mut F) -> Abi

where F: TypeFolder<TyCtxt<'tcx>>,

A convenient alternative to try_fold_with for use with infallible folders. Do not override this method, to ensure coherence with try_fold_with.

impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for Abi

fn visit_with<F>(&self, _: &mut F) -> <F as TypeVisitor<TyCtxt<'tcx>>>::Result

where F: TypeVisitor<TyCtxt<'tcx>>,

The entry point for visiting. To visit a value t with a visitor v call: t.visit_with(v).

impl Copy for Abi

impl Eq for Abi

impl StructuralPartialEq for Abi

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 2 bytes

Size for each variant:

• Rust: 0 bytes
• C: 1 byte
• Cdecl: 1 byte
• Stdcall: 1 byte
• Fastcall: 1 byte
• Vectorcall: 1 byte
• Thiscall: 1 byte
• Aapcs: 1 byte
• Win64: 1 byte
• SysV64: 1 byte
• PtxKernel: 0 bytes
• Msp430Interrupt: 0 bytes
• X86Interrupt: 0 bytes
• EfiApi: 0 bytes
• AvrInterrupt: 0 bytes
• AvrNonBlockingInterrupt: 0 bytes
• CCmseNonSecureCall: 0 bytes
• System: 1 byte
• RustIntrinsic: 0 bytes
• RustCall: 0 bytes
• Unadjusted: 0 bytes
• RustCold: 0 bytes
• RiscvInterruptM: 0 bytes
• RiscvInterruptS: 0 bytes