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//! Runtime code generation and execution.
use super::prelude::*;
use super::target::LLVMTargetDataRef;
use super::target_machine::{LLVMCodeModel, LLVMTargetMachineRef};
#[derive(Debug)]
pub enum LLVMOpaqueGenericValue {}
#[derive(Debug)]
pub enum LLVMOpaqueExecutionEngine {}
#[derive(Debug)]
pub enum LLVMOpaqueMCJITMemoryManager {}
pub type LLVMGenericValueRef = *mut LLVMOpaqueGenericValue;
pub type LLVMExecutionEngineRef = *mut LLVMOpaqueExecutionEngine;
pub type LLVMMCJITMemoryManagerRef = *mut LLVMOpaqueMCJITMemoryManager;
#[repr(C)]
#[derive(Debug, Clone, Copy)]
#[allow(non_snake_case)]
pub struct LLVMMCJITCompilerOptions {
pub OptLevel: ::libc::c_uint,
pub CodeModel: LLVMCodeModel,
pub NoFramePointerElim: LLVMBool,
pub EnableFastISel: LLVMBool,
pub MCJMM: LLVMMCJITMemoryManagerRef,
}
pub type LLVMMemoryManagerAllocateCodeSectionCallback = extern "C" fn(
Opaque: *mut ::libc::c_void,
Size: ::libc::uintptr_t,
Alignment: ::libc::c_uint,
SectionID: ::libc::c_uint,
SectionName: *const ::libc::c_char,
) -> *mut u8;
pub type LLVMMemoryManagerAllocateDataSectionCallback = extern "C" fn(
Opaque: *mut ::libc::c_void,
Size: ::libc::uintptr_t,
Alignment: ::libc::c_uint,
SectionID: ::libc::c_uint,
SectionName: *const ::libc::c_char,
IsReadOnly: LLVMBool,
) -> *mut u8;
pub type LLVMMemoryManagerFinalizeMemoryCallback =
extern "C" fn(Opaque: *mut ::libc::c_void, ErrMsg: *mut *mut ::libc::c_char) -> LLVMBool;
pub type LLVMMemoryManagerDestroyCallback = Option<extern "C" fn(Opaque: *mut ::libc::c_void)>;
extern "C" {
pub fn LLVMLinkInMCJIT();
pub fn LLVMLinkInInterpreter();
// Operations on generic values
pub fn LLVMCreateGenericValueOfInt(
Ty: LLVMTypeRef,
N: ::libc::c_ulonglong,
IsSigned: LLVMBool,
) -> LLVMGenericValueRef;
pub fn LLVMCreateGenericValueOfPointer(P: *mut ::libc::c_void) -> LLVMGenericValueRef;
pub fn LLVMCreateGenericValueOfFloat(
Ty: LLVMTypeRef,
N: ::libc::c_double,
) -> LLVMGenericValueRef;
pub fn LLVMGenericValueIntWidth(GenValRef: LLVMGenericValueRef) -> ::libc::c_uint;
pub fn LLVMGenericValueToInt(
GenVal: LLVMGenericValueRef,
IsSigned: LLVMBool,
) -> ::libc::c_ulonglong;
pub fn LLVMGenericValueToPointer(GenVal: LLVMGenericValueRef) -> *mut ::libc::c_void;
pub fn LLVMGenericValueToFloat(
TyRef: LLVMTypeRef,
GenVal: LLVMGenericValueRef,
) -> ::libc::c_double;
pub fn LLVMDisposeGenericValue(GenVal: LLVMGenericValueRef);
// Operations on execution engines
pub fn LLVMCreateExecutionEngineForModule(
OutEE: *mut LLVMExecutionEngineRef,
M: LLVMModuleRef,
OutError: *mut *mut ::libc::c_char,
) -> LLVMBool;
pub fn LLVMCreateInterpreterForModule(
OutInterp: *mut LLVMExecutionEngineRef,
M: LLVMModuleRef,
OutError: *mut *mut ::libc::c_char,
) -> LLVMBool;
pub fn LLVMCreateJITCompilerForModule(
OutJIT: *mut LLVMExecutionEngineRef,
M: LLVMModuleRef,
OptLevel: ::libc::c_uint,
OutError: *mut *mut ::libc::c_char,
) -> LLVMBool;
pub fn LLVMInitializeMCJITCompilerOptions(
Options: *mut LLVMMCJITCompilerOptions,
SizeOfOptions: ::libc::size_t,
);
/// Create an MCJIT execution engine for a module, with the given options.
///
/// It is
/// the responsibility of the caller to ensure that all fields in Options up to
/// the given SizeOfOptions are initialized. It is correct to pass a smaller
/// value of SizeOfOptions that omits some fields. The canonical way of using
/// this is:
///
/// ```c++
/// LLVMMCJITCompilerOptions options;
/// LLVMInitializeMCJITCompilerOptions(&options, sizeof(options));
/// // ... fill in those options you care about
/// LLVMCreateMCJITCompilerForModule(&jit, mod, &options, sizeof(options),
/// &error);
/// ```
///
/// Note that this is also correct, though possibly suboptimal:
///
/// ```c++
/// LLVMCreateMCJITCompilerForModule(&jit, mod, 0, 0, &error);
/// ```
///
/// 0 is returned on success, or 1 on failure.
pub fn LLVMCreateMCJITCompilerForModule(
OutJIT: *mut LLVMExecutionEngineRef,
M: LLVMModuleRef,
Options: *mut LLVMMCJITCompilerOptions,
SizeOfOptions: ::libc::size_t,
OutError: *mut *mut ::libc::c_char,
) -> LLVMBool;
pub fn LLVMDisposeExecutionEngine(EE: LLVMExecutionEngineRef);
pub fn LLVMRunStaticConstructors(EE: LLVMExecutionEngineRef);
pub fn LLVMRunStaticDestructors(EE: LLVMExecutionEngineRef);
pub fn LLVMRunFunctionAsMain(
EE: LLVMExecutionEngineRef,
F: LLVMValueRef,
ArgC: ::libc::c_uint,
ArgV: *const *const ::libc::c_char,
EnvP: *const *const ::libc::c_char,
) -> ::libc::c_int;
pub fn LLVMRunFunction(
EE: LLVMExecutionEngineRef,
F: LLVMValueRef,
NumArgs: ::libc::c_uint,
Args: *mut LLVMGenericValueRef,
) -> LLVMGenericValueRef;
pub fn LLVMFreeMachineCodeForFunction(EE: LLVMExecutionEngineRef, F: LLVMValueRef);
pub fn LLVMAddModule(EE: LLVMExecutionEngineRef, M: LLVMModuleRef);
pub fn LLVMRemoveModule(
EE: LLVMExecutionEngineRef,
M: LLVMModuleRef,
OutMod: *mut LLVMModuleRef,
OutError: *mut *mut ::libc::c_char,
) -> LLVMBool;
pub fn LLVMFindFunction(
EE: LLVMExecutionEngineRef,
Name: *const ::libc::c_char,
OutFn: *mut LLVMValueRef,
) -> LLVMBool;
pub fn LLVMRecompileAndRelinkFunction(
EE: LLVMExecutionEngineRef,
Fn: LLVMValueRef,
) -> *mut ::libc::c_void;
pub fn LLVMGetExecutionEngineTargetData(EE: LLVMExecutionEngineRef) -> LLVMTargetDataRef;
pub fn LLVMGetExecutionEngineTargetMachine(EE: LLVMExecutionEngineRef) -> LLVMTargetMachineRef;
pub fn LLVMAddGlobalMapping(
EE: LLVMExecutionEngineRef,
Global: LLVMValueRef,
Addr: *mut ::libc::c_void,
);
pub fn LLVMGetPointerToGlobal(
EE: LLVMExecutionEngineRef,
Global: LLVMValueRef,
) -> *mut ::libc::c_void;
pub fn LLVMGetGlobalValueAddress(
EE: LLVMExecutionEngineRef,
Name: *const ::libc::c_char,
) -> u64;
pub fn LLVMGetFunctionAddress(EE: LLVMExecutionEngineRef, Name: *const ::libc::c_char) -> u64;
pub fn LLVMExecutionEngineGetErrMsg(
EE: LLVMExecutionEngineRef,
OutError: *mut *mut ::libc::c_char,
) -> LLVMBool;
// Operations on memory managers
// Create a simple custom MCJIT memory manager.
//
// This memory manager can intercept allocations in a module-oblivious way. It will
// return NULL if any of the passed functions are NULL.
//
// `AllocateCodeSection` and `AllocateDataSection` are called to allocate blocks
// of memory for executable code and data, respectively. `FinalizeMemory` is called
// to set page permissions and flush caches, returning 0 on success and 1 on error.
//
// `Opaque` will be passed to the callbacks.
pub fn LLVMCreateSimpleMCJITMemoryManager(
Opaque: *mut ::libc::c_void,
AllocateCodeSection: LLVMMemoryManagerAllocateCodeSectionCallback,
AllocateDataSection: LLVMMemoryManagerAllocateDataSectionCallback,
FinalizeMemory: LLVMMemoryManagerFinalizeMemoryCallback,
Destroy: LLVMMemoryManagerDestroyCallback,
) -> LLVMMCJITMemoryManagerRef;
pub fn LLVMDisposeMCJITMemoryManager(MM: LLVMMCJITMemoryManagerRef);
// JIT event listener functions
pub fn LLVMCreateGDBRegistrationListener() -> LLVMJITEventListenerRef;
pub fn LLVMCreateIntelJITEventListener() -> LLVMJITEventListenerRef;
pub fn LLVMCreateOProfileJITEventListener() -> LLVMJITEventListenerRef;
pub fn LLVMCreatePerfJITEventListener() -> LLVMJITEventListenerRef;
}
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