diff options
Diffstat (limited to 'bindings/ocaml/target/target_ocaml.c')
| -rw-r--r-- | bindings/ocaml/target/target_ocaml.c | 251 |
1 files changed, 250 insertions, 1 deletions
diff --git a/bindings/ocaml/target/target_ocaml.c b/bindings/ocaml/target/target_ocaml.c index 8bf8e6c860..9e8778aa61 100644 --- a/bindings/ocaml/target/target_ocaml.c +++ b/bindings/ocaml/target/target_ocaml.c @@ -16,9 +16,45 @@ \*===----------------------------------------------------------------------===*/ #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" +/*===---- Exceptions ------------------------------------------------------===*/ + +static value llvm_target_error_exn; + +CAMLprim value llvm_register_target_exns(value Error) { + llvm_target_error_exn = Field(Error, 0); + register_global_root(&llvm_target_error_exn); + return Val_unit; +} + +static void llvm_raise(value Prototype, char *Message) { + CAMLparam1(Prototype); + CAMLlocal1(CamlMessage); + + CamlMessage = copy_string(Message); + LLVMDisposeMessage(Message); + + raise_with_arg(Prototype, CamlMessage); + abort(); /* NOTREACHED */ +#ifdef CAMLnoreturn + CAMLnoreturn; /* Silences warnings, but is missing in some versions. */ +#endif +} + +static value llvm_string_of_message(char* Message) { + value String = caml_copy_string(Message); + LLVMDisposeMessage(Message); + + return String; +} + +/*===---- Data Layout -----------------------------------------------------===*/ + #define DataLayout_val(v) (*(LLVMTargetDataRef *)(Data_custom_val(v))) static void llvm_finalize_data_layout(value DataLayout) { @@ -38,7 +74,8 @@ static struct custom_operations llvm_data_layout_ops = { }; value llvm_alloc_data_layout(LLVMTargetDataRef DataLayout) { - value V = alloc_custom(&llvm_data_layout_ops, sizeof(LLVMTargetDataRef), 0, 1); + value V = alloc_custom(&llvm_data_layout_ops, sizeof(LLVMTargetDataRef), + 0, 1); DataLayout_val(V) = DataLayout; return V; } @@ -139,3 +176,215 @@ CAMLprim value llvm_datalayout_offset_of_element(LLVMTypeRef Ty, value Index, return caml_copy_int64(LLVMOffsetOfElement(DataLayout_val(DL), Ty, Int_val(Index))); } + +/*===---- Target ----------------------------------------------------------===*/ + +static value llvm_target_option(LLVMTargetRef Target) { + if(Target != NULL) { + value Result = caml_alloc_small(1, 0); + Store_field(Result, 0, (value) Target); + return Result; + } + + return Val_int(0); +} + +/* unit -> string */ +CAMLprim value llvm_target_default_triple(value Unit) { + char *TripleCStr = LLVMGetDefaultTargetTriple(); + value TripleStr = caml_copy_string(TripleCStr); + LLVMDisposeMessage(TripleCStr); + + return TripleStr; +} + +/* unit -> Target.t option */ +CAMLprim value llvm_target_first(value Unit) { + return llvm_target_option(LLVMGetFirstTarget()); +} + +/* Target.t -> Target.t option */ +CAMLprim value llvm_target_succ(LLVMTargetRef Target) { + return llvm_target_option(LLVMGetNextTarget(Target)); +} + +/* string -> Target.t option */ +CAMLprim value llvm_target_by_name(value Name) { + return llvm_target_option(LLVMGetTargetFromName(String_val(Name))); +} + +/* string -> Target.t */ +CAMLprim LLVMTargetRef llvm_target_by_triple(value Triple) { + LLVMTargetRef T; + char *Error; + + if(LLVMGetTargetFromTriple(String_val(Triple), &T, &Error)) + llvm_raise(llvm_target_error_exn, Error); + + return T; +} + +/* Target.t -> string */ +CAMLprim value llvm_target_name(LLVMTargetRef Target) { + return caml_copy_string(LLVMGetTargetName(Target)); +} + +/* Target.t -> string */ +CAMLprim value llvm_target_description(LLVMTargetRef Target) { + return caml_copy_string(LLVMGetTargetDescription(Target)); +} + +/* Target.t -> bool */ +CAMLprim value llvm_target_has_jit(LLVMTargetRef Target) { + return Val_bool(LLVMTargetHasJIT(Target)); +} + +/* Target.t -> bool */ +CAMLprim value llvm_target_has_target_machine(LLVMTargetRef Target) { + return Val_bool(LLVMTargetHasTargetMachine(Target)); +} + +/* Target.t -> bool */ +CAMLprim 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 *) "LLVMTargetMachine", + llvm_finalize_target_machine, + custom_compare_default, + custom_hash_default, + custom_serialize_default, + custom_deserialize_default +#ifdef custom_compare_ext_default + , custom_compare_ext_default +#endif +}; + +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 */ +CAMLprim 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); +} + +CAMLprim 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 */ +CAMLprim LLVMTargetRef llvm_targetmachine_target(value Machine) { + return LLVMGetTargetMachineTarget(TargetMachine_val(Machine)); +} + +/* TargetMachine.t -> string */ +CAMLprim value llvm_targetmachine_triple(value Machine) { + return llvm_string_of_message(LLVMGetTargetMachineTriple( + TargetMachine_val(Machine))); +} + +/* TargetMachine.t -> string */ +CAMLprim value llvm_targetmachine_cpu(value Machine) { + return llvm_string_of_message(LLVMGetTargetMachineCPU( + TargetMachine_val(Machine))); +} + +/* TargetMachine.t -> string */ +CAMLprim value llvm_targetmachine_features(value Machine) { + return llvm_string_of_message(LLVMGetTargetMachineFeatureString( + TargetMachine_val(Machine))); +} + +/* TargetMachine.t -> DataLayout.t */ +CAMLprim value llvm_targetmachine_data_layout(value Machine) { + CAMLparam1(Machine); + CAMLlocal1(DataLayout); + + /* LLVMGetTargetMachineData returns a pointer owned by the TargetMachine, + so it is impossible to wrap it with llvm_alloc_target_data, which assumes + that OCaml owns the pointer. */ + LLVMTargetDataRef OrigDataLayout; + OrigDataLayout = LLVMGetTargetMachineData(TargetMachine_val(Machine)); + + char* TargetDataCStr; + TargetDataCStr = LLVMCopyStringRepOfTargetData(OrigDataLayout); + DataLayout = llvm_alloc_data_layout(LLVMCreateTargetData(TargetDataCStr)); + LLVMDisposeMessage(TargetDataCStr); + + CAMLreturn(DataLayout); +} + +/* TargetMachine.t -> bool -> unit */ +CAMLprim value llvm_targetmachine_set_verbose_asm(value Machine, value Verb) { + LLVMSetTargetMachineAsmVerbosity(TargetMachine_val(Machine), Bool_val(Verb)); + return Val_unit; +} + +/* Llvm.llmodule -> CodeGenFileType.t -> string -> TargetMachine.t -> unit */ +CAMLprim value llvm_targetmachine_emit_to_file(LLVMModuleRef Module, + value FileType, value FileName, value Machine) { + char* ErrorMessage; + + if(LLVMTargetMachineEmitToFile(TargetMachine_val(Machine), Module, + String_val(FileName), Int_val(FileType), + &ErrorMessage)) { + llvm_raise(llvm_target_error_exn, ErrorMessage); + } + + return Val_unit; +} + +/* Llvm.llmodule -> CodeGenFileType.t -> TargetMachine.t -> + Llvm.llmemorybuffer */ +CAMLprim 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(llvm_target_error_exn, ErrorMessage); + } + + return Buffer; +} |