You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
220 lines
6.9 KiB
220 lines
6.9 KiB
(*===-- llvm_target.mli - LLVM OCaml Interface -----------------*- OCaml -*-===*
|
|
*
|
|
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
* See https://llvm.org/LICENSE.txt for license information.
|
|
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
*
|
|
*===----------------------------------------------------------------------===*)
|
|
|
|
(** Target Information.
|
|
|
|
This interface provides an OCaml API for LLVM target information,
|
|
the classes in the Target library. *)
|
|
|
|
module Endian : sig
|
|
type t =
|
|
| Big
|
|
| Little
|
|
end
|
|
|
|
module CodeGenOptLevel : sig
|
|
type t =
|
|
| None
|
|
| Less
|
|
| Default
|
|
| Aggressive
|
|
end
|
|
|
|
module RelocMode : sig
|
|
type t =
|
|
| Default
|
|
| Static
|
|
| PIC
|
|
| DynamicNoPIC
|
|
end
|
|
|
|
module CodeModel : sig
|
|
type t =
|
|
| Default
|
|
| JITDefault
|
|
| Small
|
|
| Kernel
|
|
| Medium
|
|
| Large
|
|
end
|
|
|
|
module CodeGenFileType : sig
|
|
type t =
|
|
| AssemblyFile
|
|
| ObjectFile
|
|
end
|
|
|
|
(** {6 Exceptions} *)
|
|
|
|
exception Error of string
|
|
|
|
(** {6 Data Layout} *)
|
|
|
|
module DataLayout : sig
|
|
type t
|
|
|
|
(** [of_string rep] parses the data layout string representation [rep].
|
|
See the constructor [llvm::DataLayout::DataLayout]. *)
|
|
val of_string : string -> t
|
|
|
|
(** [as_string dl] is the string representation of the data layout [dl].
|
|
See the method [llvm::DataLayout::getStringRepresentation]. *)
|
|
val as_string : t -> string
|
|
|
|
(** Returns the byte order of a target, either [Endian.Big] or
|
|
[Endian.Little].
|
|
See the method [llvm::DataLayout::isLittleEndian]. *)
|
|
val byte_order : t -> Endian.t
|
|
|
|
(** Returns the pointer size in bytes for a target.
|
|
See the method [llvm::DataLayout::getPointerSize]. *)
|
|
val pointer_size : t -> int
|
|
|
|
(** Returns the integer type that is the same size as a pointer on a target.
|
|
See the method [llvm::DataLayout::getIntPtrType]. *)
|
|
val intptr_type : Llvm.llcontext -> t -> Llvm.lltype
|
|
|
|
(** Returns the pointer size in bytes for a target in a given address space.
|
|
See the method [llvm::DataLayout::getPointerSize]. *)
|
|
val qualified_pointer_size : int -> t -> int
|
|
|
|
(** Returns the integer type that is the same size as a pointer on a target
|
|
in a given address space.
|
|
See the method [llvm::DataLayout::getIntPtrType]. *)
|
|
val qualified_intptr_type : Llvm.llcontext -> int -> t -> Llvm.lltype
|
|
|
|
(** Computes the size of a type in bits for a target.
|
|
See the method [llvm::DataLayout::getTypeSizeInBits]. *)
|
|
val size_in_bits : Llvm.lltype -> t -> Int64.t
|
|
|
|
(** Computes the storage size of a type in bytes for a target.
|
|
See the method [llvm::DataLayout::getTypeStoreSize]. *)
|
|
val store_size : Llvm.lltype -> t -> Int64.t
|
|
|
|
(** Computes the ABI size of a type in bytes for a target.
|
|
See the method [llvm::DataLayout::getTypeAllocSize]. *)
|
|
val abi_size : Llvm.lltype -> t -> Int64.t
|
|
|
|
(** Computes the ABI alignment of a type in bytes for a target.
|
|
See the method [llvm::DataLayout::getTypeABISize]. *)
|
|
val abi_align : Llvm.lltype -> t -> int
|
|
|
|
(** Computes the call frame alignment of a type in bytes for a target.
|
|
See the method [llvm::DataLayout::getTypeABISize]. *)
|
|
val stack_align : Llvm.lltype -> t -> int
|
|
|
|
(** Computes the preferred alignment of a type in bytes for a target.
|
|
See the method [llvm::DataLayout::getTypeABISize]. *)
|
|
val preferred_align : Llvm.lltype -> t -> int
|
|
|
|
(** Computes the preferred alignment of a global variable in bytes for
|
|
a target. See the method [llvm::DataLayout::getPreferredAlignment]. *)
|
|
val preferred_align_of_global : Llvm.llvalue -> t -> int
|
|
|
|
(** Computes the structure element that contains the byte offset for a target.
|
|
See the method [llvm::StructLayout::getElementContainingOffset]. *)
|
|
val element_at_offset : Llvm.lltype -> Int64.t -> t -> int
|
|
|
|
(** Computes the byte offset of the indexed struct element for a target.
|
|
See the method [llvm::StructLayout::getElementContainingOffset]. *)
|
|
val offset_of_element : Llvm.lltype -> int -> t -> Int64.t
|
|
end
|
|
|
|
(** {6 Target} *)
|
|
|
|
module Target : sig
|
|
type t
|
|
|
|
(** [default_triple ()] returns the default target triple for current
|
|
platform. *)
|
|
val default_triple : unit -> string
|
|
|
|
(** [first ()] returns the first target in the registered targets
|
|
list, or [None]. *)
|
|
val first : unit -> t option
|
|
|
|
(** [succ t] returns the next target after [t], or [None]
|
|
if [t] was the last target. *)
|
|
val succ : t -> t option
|
|
|
|
(** [all ()] returns a list of known targets. *)
|
|
val all : unit -> t list
|
|
|
|
(** [by_name name] returns [Some t] if a target [t] named [name] is
|
|
registered, or [None] otherwise. *)
|
|
val by_name : string -> t option
|
|
|
|
(** [by_triple triple] returns a target for a triple [triple], or raises
|
|
[Error] if [triple] does not correspond to a registered target. *)
|
|
val by_triple : string -> t
|
|
|
|
(** Returns the name of a target. See [llvm::Target::getName]. *)
|
|
val name : t -> string
|
|
|
|
(** Returns the description of a target.
|
|
See [llvm::Target::getDescription]. *)
|
|
val description : t -> string
|
|
|
|
(** Returns [true] if the target has a JIT. *)
|
|
val has_jit : t -> bool
|
|
|
|
(** Returns [true] if the target has a target machine associated. *)
|
|
val has_target_machine : t -> bool
|
|
|
|
(** Returns [true] if the target has an ASM backend (required for
|
|
emitting output). *)
|
|
val has_asm_backend : t -> bool
|
|
end
|
|
|
|
(** {6 Target Machine} *)
|
|
|
|
module TargetMachine : sig
|
|
type t
|
|
|
|
(** Creates a new target machine.
|
|
See [llvm::Target::createTargetMachine]. *)
|
|
val create : triple:string -> ?cpu:string -> ?features:string ->
|
|
?level:CodeGenOptLevel.t -> ?reloc_mode:RelocMode.t ->
|
|
?code_model:CodeModel.t -> Target.t -> t
|
|
|
|
(** Returns the Target used in a TargetMachine *)
|
|
val target : t -> Target.t
|
|
|
|
(** Returns the triple used while creating this target machine. See
|
|
[llvm::TargetMachine::getTriple]. *)
|
|
val triple : t -> string
|
|
|
|
(** Returns the CPU used while creating this target machine. See
|
|
[llvm::TargetMachine::getCPU]. *)
|
|
val cpu : t -> string
|
|
|
|
(** Returns the data layout of this target machine. *)
|
|
val data_layout : t -> DataLayout.t
|
|
|
|
(** Returns the feature string used while creating this target machine. See
|
|
[llvm::TargetMachine::getFeatureString]. *)
|
|
val features : t -> string
|
|
|
|
(** Adds the target-specific analysis passes to the pass manager.
|
|
See [llvm::TargetMachine::addAnalysisPasses]. *)
|
|
val add_analysis_passes : [< Llvm.PassManager.any ] Llvm.PassManager.t -> t -> unit
|
|
|
|
(** Sets the assembly verbosity of this target machine.
|
|
See [llvm::TargetMachine::setAsmVerbosity]. *)
|
|
val set_verbose_asm : bool -> t -> unit
|
|
|
|
(** Emits assembly or object data for the given module to the given
|
|
file or raise [Error]. *)
|
|
val emit_to_file : Llvm.llmodule -> CodeGenFileType.t -> string -> t -> unit
|
|
|
|
(** Emits assembly or object data for the given module to a fresh memory
|
|
buffer or raise [Error]. *)
|
|
val emit_to_memory_buffer : Llvm.llmodule -> CodeGenFileType.t -> t ->
|
|
Llvm.llmemorybuffer
|
|
end
|