/*===-- target_ocaml.c - LLVM OCaml Glue ------------------------*- C++ -*-===*\
|* *|
|* 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 *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This file glues LLVM's OCaml interface to its C interface. These functions *|
|* are by and large transparent wrappers to the corresponding C functions. *|
|* *|
|* Note that these functions intentionally take liberties with the CAMLparamX *|
|* macros, since most of the parameters are not GC heap objects. *|
|* *|
\*===----------------------------------------------------------------------===*/
#include "target_ocaml.h"
#include "caml/alloc.h"
#include "caml/callback.h"
#include "caml/custom.h"
#include "caml/fail.h"
#include "caml/memory.h"
#include "llvm_ocaml.h"
#include "llvm-c/Core.h"
#include "llvm-c/Target.h"
#include "llvm-c/TargetMachine.h"
void llvm_raise(value Prototype, char *Message);
value llvm_string_of_message(char *Message);
/*===---- Data Layout -----------------------------------------------------===*/
#define DataLayout_val(v) (*(LLVMTargetDataRef *)(Data_custom_val(v)))
static void llvm_finalize_data_layout(value DataLayout) {
LLVMDisposeTargetData(DataLayout_val(DataLayout));
}
static struct custom_operations llvm_data_layout_ops = {
(char *)"Llvm_target.DataLayout.t",
llvm_finalize_data_layout,
custom_compare_default,
custom_hash_default,
custom_serialize_default,
custom_deserialize_default,
custom_compare_ext_default};
value llvm_alloc_data_layout(LLVMTargetDataRef DataLayout) {
value V =
caml_alloc_custom(&llvm_data_layout_ops, sizeof(LLVMTargetDataRef), 0, 1);
DataLayout_val(V) = DataLayout;
return V;
}
/* string -> DataLayout.t */
value llvm_datalayout_of_string(value StringRep) {
return llvm_alloc_data_layout(LLVMCreateTargetData(String_val(StringRep)));
}
/* DataLayout.t -> string */
value llvm_datalayout_as_string(value TD) {
char *StringRep = LLVMCopyStringRepOfTargetData(DataLayout_val(TD));
value Copy = caml_copy_string(StringRep);
LLVMDisposeMessage(StringRep);
return Copy;
}
/* DataLayout.t -> Endian.t */
value llvm_datalayout_byte_order(value DL) {
return Val_int(LLVMByteOrder(DataLayout_val(DL)));
}
/* DataLayout.t -> int */
value llvm_datalayout_pointer_size(value DL) {
return Val_int(LLVMPointerSize(DataLayout_val(DL)));
}
/* Llvm.llcontext -> DataLayout.t -> Llvm.lltype */
value llvm_datalayout_intptr_type(value C, value DL) {
LLVMTypeRef Type =
LLVMIntPtrTypeInContext(Context_val(C), DataLayout_val(DL));
return to_val(Type);
}
/* int -> DataLayout.t -> int */
value llvm_datalayout_qualified_pointer_size(value AS, value DL) {
return Val_int(LLVMPointerSizeForAS(DataLayout_val(DL), Int_val(AS)));
}
/* Llvm.llcontext -> int -> DataLayout.t -> Llvm.lltype */
value llvm_datalayout_qualified_intptr_type(value C, value AS, value DL) {
LLVMTypeRef Type = LLVMIntPtrTypeForASInContext(
Context_val(C), DataLayout_val(DL), Int_val(AS));
return to_val(Type);
}
/* Llvm.lltype -> DataLayout.t -> Int64.t */
value llvm_datalayout_size_in_bits(value Ty, value DL) {
return caml_copy_int64(
LLVMSizeOfTypeInBits(DataLayout_val(DL), Type_val(Ty)));
}
/* Llvm.lltype -> DataLayout.t -> Int64.t */
value llvm_datalayout_store_size(value Ty, value DL) {
return caml_copy_int64(LLVMStoreSizeOfType(DataLayout_val(DL), Type_val(Ty)));
}
/* Llvm.lltype -> DataLayout.t -> Int64.t */
value llvm_datalayout_abi_size(value Ty, value DL) {
return caml_copy_int64(LLVMABISizeOfType(DataLayout_val(DL), Type_val(Ty)));
}
/* Llvm.lltype -> DataLayout.t -> int */
value llvm_datalayout_abi_align(value Ty, value DL) {
return Val_int(LLVMABIAlignmentOfType(DataLayout_val(DL), Type_val(Ty)));
}
/* Llvm.lltype -> DataLayout.t -> int */
value llvm_datalayout_stack_align(value Ty, value DL) {
return Val_int(
LLVMCallFrameAlignmentOfType(DataLayout_val(DL), Type_val(Ty)));
}
/* Llvm.lltype -> DataLayout.t -> int */
value llvm_datalayout_preferred_align(value Ty, value DL) {
return Val_int(
LLVMPreferredAlignmentOfType(DataLayout_val(DL), Type_val(Ty)));
}
/* Llvm.llvalue -> DataLayout.t -> int */
value llvm_datalayout_preferred_align_of_global(value GlobalVar, value DL) {
return Val_int(
LLVMPreferredAlignmentOfGlobal(DataLayout_val(DL), Value_val(GlobalVar)));
}
/* Llvm.lltype -> Int64.t -> DataLayout.t -> int */
value llvm_datalayout_element_at_offset(value Ty, value Offset, value DL) {
return Val_int(
LLVMElementAtOffset(DataLayout_val(DL), Type_val(Ty), Int64_val(Offset)));
}
/* Llvm.lltype -> int -> DataLayout.t -> Int64.t */
value llvm_datalayout_offset_of_element(value Ty, value Index, value DL) {
return caml_copy_int64(
LLVMOffsetOfElement(DataLayout_val(DL), Type_val(Ty), Int_val(Index)));
}
/*===---- Target ----------------------------------------------------------===*/
#define Target_val(v) ((LLVMTargetRef)from_val(v))
/* unit -> string */
value llvm_target_default_triple(value Unit) {
char *TripleCStr = LLVMGetDefaultTargetTriple();
value TripleStr = caml_copy_string(TripleCStr);
LLVMDisposeMessage(TripleCStr);
return TripleStr;
}
/* unit -> Target.t option */
value llvm_target_first(value Unit) {
return ptr_to_option(LLVMGetFirstTarget());
}
/* Target.t -> Target.t option */
value llvm_target_succ(value Target) {
return ptr_to_option(LLVMGetNextTarget(Target_val(Target)));
}
/* string -> Target.t option */
value llvm_target_by_name(value Name) {
return ptr_to_option(LLVMGetTargetFromName(String_val(Name)));
}
/* string -> Target.t */
value llvm_target_by_triple(value Triple) {
LLVMTargetRef T;
char *Error;
if (LLVMGetTargetFromTriple(String_val(Triple), &T, &Error))
llvm_raise(*caml_named_value("Llvm_target.Error"), Error);
return to_val(T);
}
/* Target.t -> string */
value llvm_target_name(value Target) {
return caml_copy_string(LLVMGetTargetName(Target_val(Target)));
}
/* Target.t -> string */
value llvm_target_description(value Target) {
return caml_copy_string(LLVMGetTargetDescription(Target_val(Target)));
}
/* Target.t -> bool */
value llvm_target_has_jit(value Target) {
return Val_bool(LLVMTargetHasJIT(Target_val(Target)));
}
/* Target.t -> bool */
value llvm_target_has_target_machine(value Target) {
return Val_bool(LLVMTargetHasTargetMachine(Target_val(Target)));
}
/* Target.t -> bool */
value llvm_target_has_asm_backend(value Target) {
return Val_bool(LLVMTargetHasAsmBackend(Target_val(Target)));
}
/*===---- Target Machine --------------------------------------------------===*/
static void llvm_finalize_target_machine(value Machine) {
LLVMDisposeTargetMachine(TargetMachine_val(Machine));
}
static struct custom_operations llvm_target_machine_ops = {
(char *)"Llvm_target.TargetMachine.t",
llvm_finalize_target_machine,
custom_compare_default,
custom_hash_default,
custom_serialize_default,
custom_deserialize_default,
custom_compare_ext_default};
static value llvm_alloc_targetmachine(LLVMTargetMachineRef Machine) {
value V = caml_alloc_custom(&llvm_target_machine_ops,
sizeof(LLVMTargetMachineRef), 0, 1);
TargetMachine_val(V) = Machine;
return V;
}
/* triple:string -> ?cpu:string -> ?features:string
?level:CodeGenOptLevel.t -> ?reloc_mode:RelocMode.t
?code_model:CodeModel.t -> Target.t -> TargetMachine.t */
value llvm_create_targetmachine_native(value Triple, value CPU, value Features,
value OptLevel, value RelocMode,
value CodeModel, value Target) {
LLVMTargetMachineRef Machine;
const char *CPUStr = "", *FeaturesStr = "";
LLVMCodeGenOptLevel OptLevelEnum = LLVMCodeGenLevelDefault;
LLVMRelocMode RelocModeEnum = LLVMRelocDefault;
LLVMCodeModel CodeModelEnum = LLVMCodeModelDefault;
if (CPU != Val_int(0))
CPUStr = String_val(Field(CPU, 0));
if (Features != Val_int(0))
FeaturesStr = String_val(Field(Features, 0));
if (OptLevel != Val_int(0))
OptLevelEnum = Int_val(Field(OptLevel, 0));
if (RelocMode != Val_int(0))
RelocModeEnum = Int_val(Field(RelocMode, 0));
if (CodeModel != Val_int(0))
CodeModelEnum = Int_val(Field(CodeModel, 0));
Machine = LLVMCreateTargetMachine(Target_val(Target), String_val(Triple),
CPUStr, FeaturesStr, OptLevelEnum,
RelocModeEnum, CodeModelEnum);
return llvm_alloc_targetmachine(Machine);
}
value llvm_create_targetmachine_bytecode(value *argv, int argn) {
return llvm_create_targetmachine_native(argv[0], argv[1], argv[2], argv[3],
argv[4], argv[5], argv[6]);
}
/* TargetMachine.t -> Target.t */
value llvm_targetmachine_target(value Machine) {
return to_val(LLVMGetTargetMachineTarget(TargetMachine_val(Machine)));
}
/* TargetMachine.t -> string */
value llvm_targetmachine_triple(value Machine) {
return llvm_string_of_message(
LLVMGetTargetMachineTriple(TargetMachine_val(Machine)));
}
/* TargetMachine.t -> string */
value llvm_targetmachine_cpu(value Machine) {
return llvm_string_of_message(
LLVMGetTargetMachineCPU(TargetMachine_val(Machine)));
}
/* TargetMachine.t -> string */
value llvm_targetmachine_features(value Machine) {
return llvm_string_of_message(
LLVMGetTargetMachineFeatureString(TargetMachine_val(Machine)));
}
/* TargetMachine.t -> DataLayout.t */
value llvm_targetmachine_data_layout(value Machine) {
return llvm_alloc_data_layout(
LLVMCreateTargetDataLayout(TargetMachine_val(Machine)));
}
/* bool -> TargetMachine.t -> unit */
value llvm_targetmachine_set_verbose_asm(value Verb, value Machine) {
LLVMSetTargetMachineAsmVerbosity(TargetMachine_val(Machine), Bool_val(Verb));
return Val_unit;
}
/* bool -> TargetMachine.t -> unit */
value llvm_targetmachine_set_fast_isel(value Enable, value Machine) {
LLVMSetTargetMachineFastISel(TargetMachine_val(Machine), Bool_val(Enable));
return Val_unit;
}
/* bool -> TargetMachine.t -> unit */
value llvm_targetmachine_set_global_isel(value Enable, value Machine) {
LLVMSetTargetMachineGlobalISel(TargetMachine_val(Machine), Bool_val(Enable));
return Val_unit;
}
/* ?mode:GlobalISelAbortMode.t -> TargetMachine.t -> unit */
value llvm_targetmachine_set_global_isel_abort(value Mode, value Machine) {
LLVMGlobalISelAbortMode AbortModeEnum = LLVMGlobalISelAbortEnable;
if (Mode != Val_int(0))
AbortModeEnum = Int_val(Field(Mode, 0));
LLVMSetTargetMachineGlobalISelAbort(TargetMachine_val(Machine),
AbortModeEnum);
return Val_unit;
}
/* bool -> TargetMachine.t -> unit */
value llvm_targetmachine_set_machine_outliner(value Enable, value Machine) {
LLVMSetTargetMachineMachineOutliner(TargetMachine_val(Machine),
Bool_val(Enable));
return Val_unit;
}
/* Llvm.llmodule -> CodeGenFileType.t -> string -> TargetMachine.t -> unit */
value llvm_targetmachine_emit_to_file(value Module, value FileType,
value FileName, value Machine) {
char *ErrorMessage;
if (LLVMTargetMachineEmitToFile(
TargetMachine_val(Machine), Module_val(Module),
(char *)String_val(FileName), Int_val(FileType), &ErrorMessage)) {
llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
}
return Val_unit;
}
/* Llvm.llmodule -> CodeGenFileType.t -> TargetMachine.t ->
Llvm.llmemorybuffer */
value llvm_targetmachine_emit_to_memory_buffer(value Module, value FileType,
value Machine) {
char *ErrorMessage;
LLVMMemoryBufferRef Buffer;
if (LLVMTargetMachineEmitToMemoryBuffer(TargetMachine_val(Machine),
Module_val(Module), Int_val(FileType),
&ErrorMessage, &Buffer)) {
llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
}
return to_val(Buffer);
}
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