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348 lines
12 KiB
348 lines
12 KiB
/*===-- target_ocaml.c - LLVM OCaml Glue ------------------------*- C++ -*-===*\
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|* *|
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|* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
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|* Exceptions. *|
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|* See https://llvm.org/LICENSE.txt for license information. *|
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|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
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|* *|
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|*===----------------------------------------------------------------------===*|
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|* *|
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|* This file glues LLVM's OCaml interface to its C interface. These functions *|
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|* are by and large transparent wrappers to the corresponding C functions. *|
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|* *|
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|* Note that these functions intentionally take liberties with the CAMLparamX *|
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|* macros, since most of the parameters are not GC heap objects. *|
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|* *|
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\*===----------------------------------------------------------------------===*/
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#include "llvm-c/Core.h"
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#include "llvm-c/Target.h"
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#include "llvm-c/TargetMachine.h"
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#include "caml/alloc.h"
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#include "caml/fail.h"
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#include "caml/memory.h"
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#include "caml/custom.h"
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#include "caml/callback.h"
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void llvm_raise(value Prototype, char *Message);
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value llvm_string_of_message(char* Message);
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/*===---- Data Layout -----------------------------------------------------===*/
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#define DataLayout_val(v) (*(LLVMTargetDataRef *)(Data_custom_val(v)))
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static void llvm_finalize_data_layout(value DataLayout) {
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LLVMDisposeTargetData(DataLayout_val(DataLayout));
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}
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static struct custom_operations llvm_data_layout_ops = {
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(char *) "Llvm_target.DataLayout.t",
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llvm_finalize_data_layout,
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custom_compare_default,
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custom_hash_default,
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custom_serialize_default,
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custom_deserialize_default,
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custom_compare_ext_default
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};
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value llvm_alloc_data_layout(LLVMTargetDataRef DataLayout) {
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value V = alloc_custom(&llvm_data_layout_ops, sizeof(LLVMTargetDataRef),
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0, 1);
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DataLayout_val(V) = DataLayout;
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return V;
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}
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/* string -> DataLayout.t */
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CAMLprim value llvm_datalayout_of_string(value StringRep) {
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return llvm_alloc_data_layout(LLVMCreateTargetData(String_val(StringRep)));
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}
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/* DataLayout.t -> string */
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CAMLprim value llvm_datalayout_as_string(value TD) {
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char *StringRep = LLVMCopyStringRepOfTargetData(DataLayout_val(TD));
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value Copy = copy_string(StringRep);
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LLVMDisposeMessage(StringRep);
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return Copy;
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}
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/* DataLayout.t -> Endian.t */
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CAMLprim value llvm_datalayout_byte_order(value DL) {
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return Val_int(LLVMByteOrder(DataLayout_val(DL)));
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}
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/* DataLayout.t -> int */
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CAMLprim value llvm_datalayout_pointer_size(value DL) {
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return Val_int(LLVMPointerSize(DataLayout_val(DL)));
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}
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/* Llvm.llcontext -> DataLayout.t -> Llvm.lltype */
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CAMLprim LLVMTypeRef llvm_datalayout_intptr_type(LLVMContextRef C, value DL) {
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return LLVMIntPtrTypeInContext(C, DataLayout_val(DL));
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}
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/* int -> DataLayout.t -> int */
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CAMLprim value llvm_datalayout_qualified_pointer_size(value AS, value DL) {
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return Val_int(LLVMPointerSizeForAS(DataLayout_val(DL), Int_val(AS)));
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}
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/* Llvm.llcontext -> int -> DataLayout.t -> Llvm.lltype */
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CAMLprim LLVMTypeRef llvm_datalayout_qualified_intptr_type(LLVMContextRef C,
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value AS,
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value DL) {
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return LLVMIntPtrTypeForASInContext(C, DataLayout_val(DL), Int_val(AS));
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}
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/* Llvm.lltype -> DataLayout.t -> Int64.t */
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CAMLprim value llvm_datalayout_size_in_bits(LLVMTypeRef Ty, value DL) {
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return caml_copy_int64(LLVMSizeOfTypeInBits(DataLayout_val(DL), Ty));
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}
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/* Llvm.lltype -> DataLayout.t -> Int64.t */
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CAMLprim value llvm_datalayout_store_size(LLVMTypeRef Ty, value DL) {
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return caml_copy_int64(LLVMStoreSizeOfType(DataLayout_val(DL), Ty));
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}
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/* Llvm.lltype -> DataLayout.t -> Int64.t */
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CAMLprim value llvm_datalayout_abi_size(LLVMTypeRef Ty, value DL) {
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return caml_copy_int64(LLVMABISizeOfType(DataLayout_val(DL), Ty));
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}
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/* Llvm.lltype -> DataLayout.t -> int */
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CAMLprim value llvm_datalayout_abi_align(LLVMTypeRef Ty, value DL) {
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return Val_int(LLVMABIAlignmentOfType(DataLayout_val(DL), Ty));
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}
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/* Llvm.lltype -> DataLayout.t -> int */
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CAMLprim value llvm_datalayout_stack_align(LLVMTypeRef Ty, value DL) {
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return Val_int(LLVMCallFrameAlignmentOfType(DataLayout_val(DL), Ty));
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}
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/* Llvm.lltype -> DataLayout.t -> int */
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CAMLprim value llvm_datalayout_preferred_align(LLVMTypeRef Ty, value DL) {
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return Val_int(LLVMPreferredAlignmentOfType(DataLayout_val(DL), Ty));
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}
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/* Llvm.llvalue -> DataLayout.t -> int */
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CAMLprim value llvm_datalayout_preferred_align_of_global(LLVMValueRef GlobalVar,
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value DL) {
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return Val_int(LLVMPreferredAlignmentOfGlobal(DataLayout_val(DL), GlobalVar));
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}
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/* Llvm.lltype -> Int64.t -> DataLayout.t -> int */
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CAMLprim value llvm_datalayout_element_at_offset(LLVMTypeRef Ty, value Offset,
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value DL) {
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return Val_int(LLVMElementAtOffset(DataLayout_val(DL), Ty,
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Int64_val(Offset)));
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}
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/* Llvm.lltype -> int -> DataLayout.t -> Int64.t */
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CAMLprim value llvm_datalayout_offset_of_element(LLVMTypeRef Ty, value Index,
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value DL) {
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return caml_copy_int64(LLVMOffsetOfElement(DataLayout_val(DL), Ty,
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Int_val(Index)));
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}
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/*===---- Target ----------------------------------------------------------===*/
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static value llvm_target_option(LLVMTargetRef Target) {
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if(Target != NULL) {
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value Result = caml_alloc_small(1, 0);
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Store_field(Result, 0, (value) Target);
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return Result;
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}
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return Val_int(0);
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}
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/* unit -> string */
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CAMLprim value llvm_target_default_triple(value Unit) {
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char *TripleCStr = LLVMGetDefaultTargetTriple();
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value TripleStr = caml_copy_string(TripleCStr);
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LLVMDisposeMessage(TripleCStr);
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return TripleStr;
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}
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/* unit -> Target.t option */
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CAMLprim value llvm_target_first(value Unit) {
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return llvm_target_option(LLVMGetFirstTarget());
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}
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/* Target.t -> Target.t option */
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CAMLprim value llvm_target_succ(LLVMTargetRef Target) {
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return llvm_target_option(LLVMGetNextTarget(Target));
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}
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/* string -> Target.t option */
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CAMLprim value llvm_target_by_name(value Name) {
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return llvm_target_option(LLVMGetTargetFromName(String_val(Name)));
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}
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/* string -> Target.t */
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CAMLprim LLVMTargetRef llvm_target_by_triple(value Triple) {
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LLVMTargetRef T;
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char *Error;
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if(LLVMGetTargetFromTriple(String_val(Triple), &T, &Error))
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llvm_raise(*caml_named_value("Llvm_target.Error"), Error);
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return T;
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}
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/* Target.t -> string */
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CAMLprim value llvm_target_name(LLVMTargetRef Target) {
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return caml_copy_string(LLVMGetTargetName(Target));
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}
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/* Target.t -> string */
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CAMLprim value llvm_target_description(LLVMTargetRef Target) {
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return caml_copy_string(LLVMGetTargetDescription(Target));
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}
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/* Target.t -> bool */
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CAMLprim value llvm_target_has_jit(LLVMTargetRef Target) {
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return Val_bool(LLVMTargetHasJIT(Target));
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}
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/* Target.t -> bool */
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CAMLprim value llvm_target_has_target_machine(LLVMTargetRef Target) {
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return Val_bool(LLVMTargetHasTargetMachine(Target));
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}
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/* Target.t -> bool */
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CAMLprim value llvm_target_has_asm_backend(LLVMTargetRef Target) {
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return Val_bool(LLVMTargetHasAsmBackend(Target));
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}
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/*===---- Target Machine --------------------------------------------------===*/
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#define TargetMachine_val(v) (*(LLVMTargetMachineRef *)(Data_custom_val(v)))
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static void llvm_finalize_target_machine(value Machine) {
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LLVMDisposeTargetMachine(TargetMachine_val(Machine));
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}
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static struct custom_operations llvm_target_machine_ops = {
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(char *) "Llvm_target.TargetMachine.t",
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llvm_finalize_target_machine,
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custom_compare_default,
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custom_hash_default,
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custom_serialize_default,
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custom_deserialize_default,
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custom_compare_ext_default
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};
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static value llvm_alloc_targetmachine(LLVMTargetMachineRef Machine) {
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value V = alloc_custom(&llvm_target_machine_ops, sizeof(LLVMTargetMachineRef),
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0, 1);
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TargetMachine_val(V) = Machine;
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return V;
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}
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/* triple:string -> ?cpu:string -> ?features:string
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?level:CodeGenOptLevel.t -> ?reloc_mode:RelocMode.t
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?code_model:CodeModel.t -> Target.t -> TargetMachine.t */
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CAMLprim value llvm_create_targetmachine_native(value Triple, value CPU,
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value Features, value OptLevel, value RelocMode,
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value CodeModel, LLVMTargetRef Target) {
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LLVMTargetMachineRef Machine;
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const char *CPUStr = "", *FeaturesStr = "";
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LLVMCodeGenOptLevel OptLevelEnum = LLVMCodeGenLevelDefault;
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LLVMRelocMode RelocModeEnum = LLVMRelocDefault;
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LLVMCodeModel CodeModelEnum = LLVMCodeModelDefault;
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if(CPU != Val_int(0))
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CPUStr = String_val(Field(CPU, 0));
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if(Features != Val_int(0))
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FeaturesStr = String_val(Field(Features, 0));
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if(OptLevel != Val_int(0))
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OptLevelEnum = Int_val(Field(OptLevel, 0));
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if(RelocMode != Val_int(0))
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RelocModeEnum = Int_val(Field(RelocMode, 0));
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if(CodeModel != Val_int(0))
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CodeModelEnum = Int_val(Field(CodeModel, 0));
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Machine = LLVMCreateTargetMachine(Target, String_val(Triple), CPUStr,
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FeaturesStr, OptLevelEnum, RelocModeEnum, CodeModelEnum);
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return llvm_alloc_targetmachine(Machine);
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}
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CAMLprim value llvm_create_targetmachine_bytecode(value *argv, int argn) {
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return llvm_create_targetmachine_native(argv[0], argv[1], argv[2], argv[3],
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argv[4], argv[5], (LLVMTargetRef) argv[6]);
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}
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/* TargetMachine.t -> Target.t */
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CAMLprim LLVMTargetRef llvm_targetmachine_target(value Machine) {
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return LLVMGetTargetMachineTarget(TargetMachine_val(Machine));
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}
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/* TargetMachine.t -> string */
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CAMLprim value llvm_targetmachine_triple(value Machine) {
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return llvm_string_of_message(LLVMGetTargetMachineTriple(
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TargetMachine_val(Machine)));
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}
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/* TargetMachine.t -> string */
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CAMLprim value llvm_targetmachine_cpu(value Machine) {
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return llvm_string_of_message(LLVMGetTargetMachineCPU(
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TargetMachine_val(Machine)));
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}
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/* TargetMachine.t -> string */
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CAMLprim value llvm_targetmachine_features(value Machine) {
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return llvm_string_of_message(LLVMGetTargetMachineFeatureString(
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TargetMachine_val(Machine)));
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}
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/* TargetMachine.t -> DataLayout.t */
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CAMLprim value llvm_targetmachine_data_layout(value Machine) {
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return llvm_alloc_data_layout(LLVMCreateTargetDataLayout(
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TargetMachine_val(Machine)));
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}
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/* bool -> TargetMachine.t -> unit */
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CAMLprim value llvm_targetmachine_set_verbose_asm(value Verb, value Machine) {
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LLVMSetTargetMachineAsmVerbosity(TargetMachine_val(Machine), Bool_val(Verb));
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return Val_unit;
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}
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/* Llvm.llmodule -> CodeGenFileType.t -> string -> TargetMachine.t -> unit */
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CAMLprim value llvm_targetmachine_emit_to_file(LLVMModuleRef Module,
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value FileType, value FileName, value Machine) {
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char *ErrorMessage;
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if(LLVMTargetMachineEmitToFile(TargetMachine_val(Machine), Module,
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String_val(FileName), Int_val(FileType),
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&ErrorMessage)) {
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llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
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}
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return Val_unit;
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}
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/* Llvm.llmodule -> CodeGenFileType.t -> TargetMachine.t ->
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Llvm.llmemorybuffer */
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CAMLprim LLVMMemoryBufferRef llvm_targetmachine_emit_to_memory_buffer(
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LLVMModuleRef Module, value FileType,
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value Machine) {
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char *ErrorMessage;
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LLVMMemoryBufferRef Buffer;
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if(LLVMTargetMachineEmitToMemoryBuffer(TargetMachine_val(Machine), Module,
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Int_val(FileType), &ErrorMessage,
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&Buffer)) {
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llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
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}
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return Buffer;
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}
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/* TargetMachine.t -> Llvm.PassManager.t -> unit */
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CAMLprim value llvm_targetmachine_add_analysis_passes(LLVMPassManagerRef PM,
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value Machine) {
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LLVMAddAnalysisPasses(TargetMachine_val(Machine), PM);
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return Val_unit;
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}
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