diff options
Diffstat (limited to 'llvm/bindings/ocaml/executionengine/llvm_executionengine.mli')
-rw-r--r-- | llvm/bindings/ocaml/executionengine/llvm_executionengine.mli | 69 |
1 files changed, 51 insertions, 18 deletions
diff --git a/llvm/bindings/ocaml/executionengine/llvm_executionengine.mli b/llvm/bindings/ocaml/executionengine/llvm_executionengine.mli index 74a606287f4..0b55193b6e5 100644 --- a/llvm/bindings/ocaml/executionengine/llvm_executionengine.mli +++ b/llvm/bindings/ocaml/executionengine/llvm_executionengine.mli @@ -14,6 +14,17 @@ exception Error of string +(** The JIT code model. See [llvm::CodeModel::Model]. *) +module CodeModel : sig + type t = + | Default + | JIT_default + | Small + | Kernel + | Medium + | Large +end + module GenericValue: sig (** [GenericValue.t] is a boxed union type used to portably pass arguments to and receive values from the execution engine. It supports only a limited @@ -21,24 +32,24 @@ module GenericValue: sig generate a stub function by hand or to pass parameters by reference. See the struct [llvm::GenericValue]. *) type t - + (** [of_float fpty n] boxes the float [n] in a float-valued generic value according to the floating point type [fpty]. See the fields [llvm::GenericValue::DoubleVal] and [llvm::GenericValue::FloatVal]. *) val of_float : Llvm.lltype -> float -> t - + (** [of_pointer v] boxes the pointer value [v] in a generic value. See the field [llvm::GenericValue::PointerVal]. *) val of_pointer : 'a -> t - + (** [of_int32 n w] boxes the int32 [i] in a generic value with the bitwidth [w]. See the field [llvm::GenericValue::IntVal]. *) val of_int32 : Llvm.lltype -> int32 -> t - + (** [of_int n w] boxes the int [i] in a generic value with the bitwidth [w]. See the field [llvm::GenericValue::IntVal]. *) val of_int : Llvm.lltype -> int -> t - + (** [of_natint n w] boxes the native int [i] in a generic value with the bitwidth [w]. See the field [llvm::GenericValue::IntVal]. *) val of_nativeint : Llvm.lltype -> nativeint -> t @@ -51,27 +62,27 @@ module GenericValue: sig floating point type [fpty]. See the fields [llvm::GenericValue::DoubleVal] and [llvm::GenericValue::FloatVal]. *) val as_float : Llvm.lltype -> t -> float - + (** [as_pointer gv] unboxes the pointer-valued generic value [gv]. See the field [llvm::GenericValue::PointerVal]. *) val as_pointer : t -> 'a - + (** [as_int32 gv] unboxes the integer-valued generic value [gv] as an [int32]. Is invalid if [gv] has a bitwidth greater than 32 bits. See the field [llvm::GenericValue::IntVal]. *) val as_int32 : t -> int32 - + (** [as_int gv] unboxes the integer-valued generic value [gv] as an [int]. Is invalid if [gv] has a bitwidth greater than the host bit width (but the most significant bit may be lost). See the field [llvm::GenericValue::IntVal]. *) val as_int : t -> int - + (** [as_natint gv] unboxes the integer-valued generic value [gv] as a [nativeint]. Is invalid if [gv] has a bitwidth greater than [nativeint]. See the field [llvm::GenericValue::IntVal]. *) val as_nativeint : t -> nativeint - + (** [as_int64 gv] returns the integer-valued generic value [gv] as an [int64]. Is invalid if [gv] has a bitwidth greater than [int64]. See the field [llvm::GenericValue::IntVal]. *) @@ -84,35 +95,57 @@ module ExecutionEngine: sig directly loading an LLVM module and executing its functions without first invoking a static compiler and generating a native executable. *) type t - + + (** MCJIT compiler options. See [llvm::TargetOptions]. *) + type compileroptions = { + opt_level: int; + code_model: CodeModel.t; + no_framepointer_elim: bool; + enable_fast_isel: bool; + } + + (** Default MCJIT compiler options: + [{ opt_level = 0; code_model = CodeModel.JIT_default; + no_framepointer_elim = false; enable_fast_isel = false }] *) + val default_compiler_options : compileroptions + (** [create m] creates a new execution engine, taking ownership of the module [m] if successful. Creates a JIT if possible, else falls back to an interpreter. Raises [Error msg] if an error occurrs. The execution engine is not garbage collected and must be destroyed with [dispose ee]. See the function [llvm::EngineBuilder::create]. *) val create : Llvm.llmodule -> t - + (** [create_interpreter m] creates a new interpreter, taking ownership of the module [m] if successful. Raises [Error msg] if an error occurrs. The execution engine is not garbage collected and must be destroyed with [dispose ee]. See the function [llvm::EngineBuilder::create]. *) val create_interpreter : Llvm.llmodule -> t - + (** [create_jit m optlevel] creates a new JIT (just-in-time compiler), taking ownership of the module [m] if successful with the desired optimization level [optlevel]. Raises [Error msg] if an error occurrs. The execution engine is not garbage collected and must be destroyed with [dispose ee]. - See the function [llvm::EngineBuilder::create]. *) + See the function [llvm::EngineBuilder::create]. + + Deprecated; use {!create_mcjit}. This function is a shim for {!create_mcjit}. *) val create_jit : Llvm.llmodule -> int -> t + (** [create_jit m optlevel] creates a new JIT (just-in-time compiler), taking + ownership of the module [m] if successful with the desired optimization + level [optlevel]. Raises [Error msg] if an error occurrs. The execution + engine is not garbage collected and must be destroyed with [dispose ee]. + See the function [llvm::EngineBuilder::create]. *) + val create_mcjit : Llvm.llmodule -> compileroptions -> t + (** [dispose ee] releases the memory used by the execution engine and must be invoked to avoid memory leaks. *) val dispose : t -> unit (** [add_module m ee] adds the module [m] to the execution engine [ee]. *) val add_module : Llvm.llmodule -> t -> unit - + (** [remove_module m ee] removes the module [m] from the execution engine [ee], disposing of [m] and the module referenced by [mp]. Raises [Error msg] if an error occurs. *) @@ -122,7 +155,7 @@ module ExecutionEngine: sig modules owned by the execution engine [ee]. Returns [None] if the function is not found and [Some f] otherwise. *) val find_function : string -> t -> Llvm.llvalue option - + (** [run_function f args ee] synchronously executes the function [f] with the arguments [args], which must be compatible with the parameter types. *) val run_function : Llvm.llvalue -> GenericValue.t array -> t -> @@ -131,11 +164,11 @@ module ExecutionEngine: sig (** [run_static_ctors ee] executes the static constructors of each module in the execution engine [ee]. *) val run_static_ctors : t -> unit - + (** [run_static_dtors ee] executes the static destructors of each module in the execution engine [ee]. *) val run_static_dtors : t -> unit - + (** [run_function_as_main f args env ee] executes the function [f] as a main function, passing it [argv] and [argc] according to the string array [args], and [envp] as specified by the array [env]. Returns the integer |