llvm-sys 80.1.1

Bindings to LLVM's C API
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//! The ORC JIT.

use super::error::LLVMErrorRef;
use super::prelude::*;
use super::target_machine::LLVMTargetMachineRef;

#[derive(Debug)]
pub enum LLVMOrcOpaqueJITStack {}

pub type LLVMOrcJITStackRef = *mut LLVMOrcOpaqueJITStack;
pub type LLVMOrcModuleHandle = u64;
pub type LLVMOrcTargetAddress = u64;

pub type LLVMOrcSymbolResolverFn =
    Option<extern "C" fn(*const ::libc::c_char, *mut ::libc::c_void) -> u64>;
pub type LLVMOrcLazyCompileCallbackFn =
    Option<extern "C" fn(LLVMOrcJITStackRef, *mut ::libc::c_void)>;
extern "C" {
    /// Create an ORC JIT stack.
    ///
    /// The client owns the returned stack and must call OrcDisposeInstance
    /// when done with it. The JIT stack takes ownership of the provided
    /// TargetMachine.
    pub fn LLVMOrcCreateInstance(TM: LLVMTargetMachineRef) -> LLVMOrcJITStackRef;

    /// Get the error message for the most recent error (if any).
    ///
    /// The returned message is owned by the ORC JIT stack.
    pub fn LLVMOrcGetErrorMsg(JITStack: LLVMOrcJITStackRef) -> *const ::libc::c_char;

    /// Mangle the given symbol.
    ///
    /// Memory is allocated for the mangled symbol, which will be owned by
    /// the client.
    pub fn LLVMOrcGetMangledSymbol(
        JITStack: LLVMOrcJITStackRef,
        MangledSymbol: *mut *mut ::libc::c_char,
        Symbol: *const ::libc::c_char,
    );

    /// Dispose of a mangled symbol.
    pub fn LLVMOrcDisposeMangledSymbol(MangledSymbol: *mut ::libc::c_char);

    /// Create a lazy compile callback.
    pub fn LLVMOrcCreateLazyCompileCallback(
        JITStack: LLVMOrcJITStackRef,
        RetAddr: *mut LLVMOrcTargetAddress,
        Callback: LLVMOrcLazyCompileCallbackFn,
        CallbackCtx: *mut ::libc::c_void,
    ) -> LLVMErrorRef;

    /// Create a named indirect call stub.
    pub fn LLVMOrcCreateIndirectStub(
        JITStack: LLVMOrcJITStackRef,
        StubName: *const ::libc::c_char,
        InitAddr: LLVMOrcTargetAddress,
    ) -> LLVMErrorRef;

    /// Set the pointer for the given indirect stub.
    pub fn LLVMOrcSetIndirectStubPointer(
        JITStack: LLVMOrcJITStackRef,
        StubName: *const ::libc::c_char,
        NewAddr: LLVMOrcTargetAddress,
    ) -> LLVMErrorRef;

    /// Add a module to be eagerly compiled.
    pub fn LLVMOrcAddEagerlyCompiledIR(
        JITStack: LLVMOrcJITStackRef,
        RetHandle: *mut LLVMOrcModuleHandle,
        Mod: LLVMModuleRef,
        SymbolResolver: LLVMOrcSymbolResolverFn,
        SymbolResolverCtx: *mut ::libc::c_void,
    ) -> LLVMErrorRef;

    /// Add a module to be lazily compiled one function at a time.
    pub fn LLVMOrcAddLazilyCompiledIR(
        JITStack: LLVMOrcJITStackRef,
        RetHandle: *mut LLVMOrcModuleHandle,
        Mod: LLVMModuleRef,
        SymbolResolver: LLVMOrcSymbolResolverFn,
        SymbolResolverCtx: *mut ::libc::c_void,
    ) -> LLVMErrorRef;

    /// Add an object file.
    pub fn LLVMOrcAddObjectFile(
        JITStack: LLVMOrcJITStackRef,
        RetHandle: *mut LLVMOrcModuleHandle,
        Obj: LLVMMemoryBufferRef,
        SymbolResolver: LLVMOrcSymbolResolverFn,
        SymbolResolverCtx: *mut ::libc::c_void,
    ) -> LLVMErrorRef;

    /// Remove a module set from the JIT.
    pub fn LLVMOrcRemoveModule(
        JITStack: LLVMOrcJITStackRef,
        H: LLVMOrcModuleHandle,
    ) -> LLVMErrorRef;

    /// Get symbol address from JIT instance.
    pub fn LLVMOrcGetSymbolAddress(
        JITStack: LLVMOrcJITStackRef,
        RetAddr: *mut LLVMOrcTargetAddress,
        SymbolName: *const ::libc::c_char,
    ) -> LLVMErrorRef;

    /// Get symbol address from JIT instance, searching only the specified handle.
    pub fn LLVMOrcGetSymbolAddressIn(
        JITStack: LLVMOrcJITStackRef,
        RetAddr: *mut LLVMOrcTargetAddress,
        H: LLVMOrcModuleHandle,
        SymbolName: *const ::libc::c_char,
    ) -> LLVMErrorRef;

    /// Dispose of an ORC JIT stack.
    pub fn LLVMOrcDisposeInstance(JITStack: LLVMOrcJITStackRef) -> LLVMErrorRef;

    /// Register a JIT Event Listener.
    ///
    /// A NULL listener is ignored.
    pub fn LLVMOrcRegisterJITEventListener(
        JITStack: LLVMOrcJITStackRef,
        L: LLVMJITEventListenerRef,
    );

    /// Unegister a JIT Event Listener.
    ///
    /// A NULL listener is ignored.
    pub fn LLVMOrcUnregisterJITEventListener(
        JITStack: LLVMOrcJITStackRef,
        L: LLVMJITEventListenerRef,
    );
}