blob: 2b7259bf2bc5fbc92c3a3d9efcc6d916d653f4e7 [file] [log] [blame]
/*===-- 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 "llvm-c/Core.h"
#include "llvm-c/Target.h"
#include "llvm-c/TargetMachine.h"
#include "caml/alloc.h"
#include "caml/fail.h"
#include "caml/memory.h"
#include "caml/custom.h"
#include "caml/callback.h"
#include "llvm_ocaml.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 =
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 = 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 */
LLVMTypeRef llvm_datalayout_intptr_type(LLVMContextRef C, value DL) {
return LLVMIntPtrTypeInContext(C, DataLayout_val(DL));
}
/* 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 */
LLVMTypeRef llvm_datalayout_qualified_intptr_type(LLVMContextRef C, value AS,
value DL) {
return LLVMIntPtrTypeForASInContext(C, DataLayout_val(DL), Int_val(AS));
}
/* Llvm.lltype -> DataLayout.t -> Int64.t */
value llvm_datalayout_size_in_bits(LLVMTypeRef Ty, value DL) {
return caml_copy_int64(LLVMSizeOfTypeInBits(DataLayout_val(DL), Ty));
}
/* Llvm.lltype -> DataLayout.t -> Int64.t */
value llvm_datalayout_store_size(LLVMTypeRef Ty, value DL) {
return caml_copy_int64(LLVMStoreSizeOfType(DataLayout_val(DL), Ty));
}
/* Llvm.lltype -> DataLayout.t -> Int64.t */
value llvm_datalayout_abi_size(LLVMTypeRef Ty, value DL) {
return caml_copy_int64(LLVMABISizeOfType(DataLayout_val(DL), Ty));
}
/* Llvm.lltype -> DataLayout.t -> int */
value llvm_datalayout_abi_align(LLVMTypeRef Ty, value DL) {
return Val_int(LLVMABIAlignmentOfType(DataLayout_val(DL), Ty));
}
/* Llvm.lltype -> DataLayout.t -> int */
value llvm_datalayout_stack_align(LLVMTypeRef Ty, value DL) {
return Val_int(LLVMCallFrameAlignmentOfType(DataLayout_val(DL), Ty));
}
/* Llvm.lltype -> DataLayout.t -> int */
value llvm_datalayout_preferred_align(LLVMTypeRef Ty, value DL) {
return Val_int(LLVMPreferredAlignmentOfType(DataLayout_val(DL), Ty));
}
/* Llvm.llvalue -> DataLayout.t -> int */
value llvm_datalayout_preferred_align_of_global(LLVMValueRef GlobalVar,
value DL) {
return Val_int(LLVMPreferredAlignmentOfGlobal(DataLayout_val(DL), GlobalVar));
}
/* Llvm.lltype -> Int64.t -> DataLayout.t -> int */
value llvm_datalayout_element_at_offset(LLVMTypeRef Ty, value Offset,
value DL) {
return Val_int(
LLVMElementAtOffset(DataLayout_val(DL), Ty, Int64_val(Offset)));
}
/* Llvm.lltype -> int -> DataLayout.t -> Int64.t */
value llvm_datalayout_offset_of_element(LLVMTypeRef Ty, value Index, value DL) {
return caml_copy_int64(
LLVMOffsetOfElement(DataLayout_val(DL), Ty, Int_val(Index)));
}
/*===---- Target ----------------------------------------------------------===*/
/* 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(LLVMTargetRef Target) {
return ptr_to_option(LLVMGetNextTarget(Target));
}
/* string -> Target.t option */
value llvm_target_by_name(value Name) {
return ptr_to_option(LLVMGetTargetFromName(String_val(Name)));
}
/* string -> Target.t */
LLVMTargetRef 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 T;
}
/* Target.t -> string */
value llvm_target_name(LLVMTargetRef Target) {
return caml_copy_string(LLVMGetTargetName(Target));
}
/* Target.t -> string */
value llvm_target_description(LLVMTargetRef Target) {
return caml_copy_string(LLVMGetTargetDescription(Target));
}
/* Target.t -> bool */
value llvm_target_has_jit(LLVMTargetRef Target) {
return Val_bool(LLVMTargetHasJIT(Target));
}
/* Target.t -> bool */
value llvm_target_has_target_machine(LLVMTargetRef Target) {
return Val_bool(LLVMTargetHasTargetMachine(Target));
}
/* Target.t -> bool */
value llvm_target_has_asm_backend(LLVMTargetRef Target) {
return Val_bool(LLVMTargetHasAsmBackend(Target));
}
/*===---- Target Machine --------------------------------------------------===*/
#define TargetMachine_val(v) (*(LLVMTargetMachineRef *)(Data_custom_val(v)))
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 = 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, LLVMTargetRef 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, 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],
(LLVMTargetRef)argv[6]);
}
/* TargetMachine.t -> Target.t */
LLVMTargetRef llvm_targetmachine_target(value Machine) {
return 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;
}
/* Llvm.llmodule -> CodeGenFileType.t -> string -> TargetMachine.t -> unit */
value llvm_targetmachine_emit_to_file(LLVMModuleRef Module, value FileType,
value FileName, value Machine) {
char *ErrorMessage;
if (LLVMTargetMachineEmitToFile(TargetMachine_val(Machine), 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 */
LLVMMemoryBufferRef
llvm_targetmachine_emit_to_memory_buffer(LLVMModuleRef Module, value FileType,
value Machine) {
char *ErrorMessage;
LLVMMemoryBufferRef Buffer;
if (LLVMTargetMachineEmitToMemoryBuffer(TargetMachine_val(Machine), Module,
Int_val(FileType), &ErrorMessage,
&Buffer)) {
llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
}
return Buffer;
}
/* TargetMachine.t -> Llvm.PassManager.t -> unit */
value llvm_targetmachine_add_analysis_passes(LLVMPassManagerRef PM,
value Machine) {
LLVMAddAnalysisPasses(TargetMachine_val(Machine), PM);
return Val_unit;
}