Enum llvm::Linkage

pub enum Linkage {
    External,
    AvailableExternally,
    LinkOnceAny,
    LinkOnceODR,
    WeakAny,
    WeakODR,
    Appending,
    Internal,
    Private,
    ExternalWeak,
    Common,
}

[−] Expand description

A way of indicating to LLVM how you want a global to interact during linkage.

Variants

External

[−] Expand description

Default linkage. The global is externally visible and participates in linkage normally.

AvailableExternally

[−] Expand description

Never emitted to the containing module's object file. Used to allow inlining and/or other optimisations to take place, given knowledge of the definition of the global, which is somewhere outside of the module. Otherwise the same as LinkOnceODR. Only allowed on definitions, not declarations.

LinkOnceAny

[−] Expand description

Merged with other globals of the same name during linkage. Unreferenced LinkOnce globals may be discarded.

LinkOnceODR

[−] Expand description

Similar to LinkOnceAny, but indicates that it will only be merged with equivalent globals.

WeakAny

[−] Expand description

Same merging semantics as LinkOnceAny. Unlike LinkOnce, unreference globals will not be discarded.

WeakODR

[−] Expand description

Similar to WeakAny, but indicates that it will only be merged with equivalent globals.

Appending

[−] Expand description

Only allowed on global array pointers. When two globals with Appending linkage are merged, they are appended together.

Internal

[−] Expand description

Similar to Private, but shows as a local symbol in the object file.

Private

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Only directly accessible by objects in the current module. May be renamed as neccessary to avoid collisions, and all references will be updated. Will not show up in the object file's symbol table.

ExternalWeak

[−] Expand description

Weak until linked. If not linked, the output symbol is null, instead of undefined.

Common

[−] Expand description

Similar to Weak, but may not have an explicit section, must have a zero initializer, and may not be marked constant. Cannot be used on functions or aliases.

Trait Implementations

impl From<LLVMLinkage> for Linkage

fn from(attr: LLVMLinkage) -> Linkage[−]

Performs the conversion.

Derived Implementations

impl Debug for Linkage

fn fmt(&self, __arg_0: &mut Formatter) -> Result[−]

Formats the value using the given formatter.

impl PartialEq for Linkage

fn eq(&self, __arg_0: &Linkage) -> bool[−]

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool[−]

This method tests for !=.

impl Eq for Linkage

impl Clone for Linkage

fn clone(&self) -> Linkage[−]

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl Copy for Linkage