diff options
Diffstat (limited to 'contrib/llvm/bindings/ocaml/executionengine/executionengine_ocaml.c')
-rw-r--r-- | contrib/llvm/bindings/ocaml/executionengine/executionengine_ocaml.c | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/contrib/llvm/bindings/ocaml/executionengine/executionengine_ocaml.c b/contrib/llvm/bindings/ocaml/executionengine/executionengine_ocaml.c deleted file mode 100644 index 5b1e32e..0000000 --- a/contrib/llvm/bindings/ocaml/executionengine/executionengine_ocaml.c +++ /dev/null @@ -1,323 +0,0 @@ -/*===-- executionengine_ocaml.c - LLVM Ocaml Glue ---------------*- C++ -*-===*\ -|* *| -|* The LLVM Compiler Infrastructure *| -|* *| -|* This file is distributed under the University of Illinois Open Source *| -|* License. See LICENSE.TXT for details. *| -|* *| -|*===----------------------------------------------------------------------===*| -|* *| -|* 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/ExecutionEngine.h" -#include "llvm-c/Target.h" -#include "caml/alloc.h" -#include "caml/custom.h" -#include "caml/fail.h" -#include "caml/memory.h" -#include <string.h> -#include <assert.h> - -/* Force the LLVM interpreter and JIT to be linked in. */ -void llvm_initialize(void) { - LLVMLinkInInterpreter(); - LLVMLinkInJIT(); -} - -/* unit -> bool */ -CAMLprim value llvm_initialize_native_target(value Unit) { - return Val_bool(LLVMInitializeNativeTarget()); -} - -/* Can't use the recommended caml_named_value mechanism for backwards - compatibility reasons. This is largely equivalent. */ -static value llvm_ee_error_exn; - -CAMLprim value llvm_register_ee_exns(value Error) { - llvm_ee_error_exn = Field(Error, 0); - register_global_root(&llvm_ee_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 -} - - -/*--... Operations on generic values .......................................--*/ - -#define Genericvalue_val(v) (*(LLVMGenericValueRef *)(Data_custom_val(v))) - -static void llvm_finalize_generic_value(value GenVal) { - LLVMDisposeGenericValue(Genericvalue_val(GenVal)); -} - -static struct custom_operations generic_value_ops = { - (char *) "LLVMGenericValue", - llvm_finalize_generic_value, - custom_compare_default, - custom_hash_default, - custom_serialize_default, - custom_deserialize_default -}; - -static value alloc_generic_value(LLVMGenericValueRef Ref) { - value Val = alloc_custom(&generic_value_ops, sizeof(LLVMGenericValueRef), 0, 1); - Genericvalue_val(Val) = Ref; - return Val; -} - -/* Llvm.lltype -> float -> t */ -CAMLprim value llvm_genericvalue_of_float(LLVMTypeRef Ty, value N) { - CAMLparam1(N); - CAMLreturn(alloc_generic_value( - LLVMCreateGenericValueOfFloat(Ty, Double_val(N)))); -} - -/* 'a -> t */ -CAMLprim value llvm_genericvalue_of_pointer(value V) { - CAMLparam1(V); - CAMLreturn(alloc_generic_value(LLVMCreateGenericValueOfPointer(Op_val(V)))); -} - -/* Llvm.lltype -> int -> t */ -CAMLprim value llvm_genericvalue_of_int(LLVMTypeRef Ty, value Int) { - return alloc_generic_value(LLVMCreateGenericValueOfInt(Ty, Int_val(Int), 1)); -} - -/* Llvm.lltype -> int32 -> t */ -CAMLprim value llvm_genericvalue_of_int32(LLVMTypeRef Ty, value Int32) { - CAMLparam1(Int32); - CAMLreturn(alloc_generic_value( - LLVMCreateGenericValueOfInt(Ty, Int32_val(Int32), 1))); -} - -/* Llvm.lltype -> nativeint -> t */ -CAMLprim value llvm_genericvalue_of_nativeint(LLVMTypeRef Ty, value NatInt) { - CAMLparam1(NatInt); - CAMLreturn(alloc_generic_value( - LLVMCreateGenericValueOfInt(Ty, Nativeint_val(NatInt), 1))); -} - -/* Llvm.lltype -> int64 -> t */ -CAMLprim value llvm_genericvalue_of_int64(LLVMTypeRef Ty, value Int64) { - CAMLparam1(Int64); - CAMLreturn(alloc_generic_value( - LLVMCreateGenericValueOfInt(Ty, Int64_val(Int64), 1))); -} - -/* Llvm.lltype -> t -> float */ -CAMLprim value llvm_genericvalue_as_float(LLVMTypeRef Ty, value GenVal) { - CAMLparam1(GenVal); - CAMLreturn(copy_double( - LLVMGenericValueToFloat(Ty, Genericvalue_val(GenVal)))); -} - -/* t -> 'a */ -CAMLprim value llvm_genericvalue_as_pointer(value GenVal) { - return Val_op(LLVMGenericValueToPointer(Genericvalue_val(GenVal))); -} - -/* t -> int */ -CAMLprim value llvm_genericvalue_as_int(value GenVal) { - assert(LLVMGenericValueIntWidth(Genericvalue_val(GenVal)) <= 8 * sizeof(value) - && "Generic value too wide to treat as an int!"); - return Val_int(LLVMGenericValueToInt(Genericvalue_val(GenVal), 1)); -} - -/* t -> int32 */ -CAMLprim value llvm_genericvalue_as_int32(value GenVal) { - CAMLparam1(GenVal); - assert(LLVMGenericValueIntWidth(Genericvalue_val(GenVal)) <= 32 - && "Generic value too wide to treat as an int32!"); - CAMLreturn(copy_int32(LLVMGenericValueToInt(Genericvalue_val(GenVal), 1))); -} - -/* t -> int64 */ -CAMLprim value llvm_genericvalue_as_int64(value GenVal) { - CAMLparam1(GenVal); - assert(LLVMGenericValueIntWidth(Genericvalue_val(GenVal)) <= 64 - && "Generic value too wide to treat as an int64!"); - CAMLreturn(copy_int64(LLVMGenericValueToInt(Genericvalue_val(GenVal), 1))); -} - -/* t -> nativeint */ -CAMLprim value llvm_genericvalue_as_nativeint(value GenVal) { - CAMLparam1(GenVal); - assert(LLVMGenericValueIntWidth(Genericvalue_val(GenVal)) <= 8 * sizeof(value) - && "Generic value too wide to treat as a nativeint!"); - CAMLreturn(copy_nativeint(LLVMGenericValueToInt(Genericvalue_val(GenVal),1))); -} - - -/*--... Operations on execution engines ....................................--*/ - -/* llmodule -> ExecutionEngine.t */ -CAMLprim LLVMExecutionEngineRef llvm_ee_create(LLVMModuleRef M) { - LLVMExecutionEngineRef Interp; - char *Error; - if (LLVMCreateExecutionEngineForModule(&Interp, M, &Error)) - llvm_raise(llvm_ee_error_exn, Error); - return Interp; -} - -/* llmodule -> ExecutionEngine.t */ -CAMLprim LLVMExecutionEngineRef -llvm_ee_create_interpreter(LLVMModuleRef M) { - LLVMExecutionEngineRef Interp; - char *Error; - if (LLVMCreateInterpreterForModule(&Interp, M, &Error)) - llvm_raise(llvm_ee_error_exn, Error); - return Interp; -} - -/* llmodule -> int -> ExecutionEngine.t */ -CAMLprim LLVMExecutionEngineRef -llvm_ee_create_jit(LLVMModuleRef M, value OptLevel) { - LLVMExecutionEngineRef JIT; - char *Error; - if (LLVMCreateJITCompilerForModule(&JIT, M, Int_val(OptLevel), &Error)) - llvm_raise(llvm_ee_error_exn, Error); - return JIT; -} - -/* ExecutionEngine.t -> unit */ -CAMLprim value llvm_ee_dispose(LLVMExecutionEngineRef EE) { - LLVMDisposeExecutionEngine(EE); - return Val_unit; -} - -/* llmodule -> ExecutionEngine.t -> unit */ -CAMLprim value llvm_ee_add_module(LLVMModuleRef M, LLVMExecutionEngineRef EE) { - LLVMAddModule(EE, M); - return Val_unit; -} - -/* llmodule -> ExecutionEngine.t -> llmodule */ -CAMLprim LLVMModuleRef llvm_ee_remove_module(LLVMModuleRef M, - LLVMExecutionEngineRef EE) { - LLVMModuleRef RemovedModule; - char *Error; - if (LLVMRemoveModule(EE, M, &RemovedModule, &Error)) - llvm_raise(llvm_ee_error_exn, Error); - return RemovedModule; -} - -/* string -> ExecutionEngine.t -> llvalue option */ -CAMLprim value llvm_ee_find_function(value Name, LLVMExecutionEngineRef EE) { - CAMLparam1(Name); - CAMLlocal1(Option); - LLVMValueRef Found; - if (LLVMFindFunction(EE, String_val(Name), &Found)) - CAMLreturn(Val_unit); - Option = alloc(1, 0); - Field(Option, 0) = Val_op(Found); - CAMLreturn(Option); -} - -/* llvalue -> GenericValue.t array -> ExecutionEngine.t -> GenericValue.t */ -CAMLprim value llvm_ee_run_function(LLVMValueRef F, value Args, - LLVMExecutionEngineRef EE) { - unsigned NumArgs; - LLVMGenericValueRef Result, *GVArgs; - unsigned I; - - NumArgs = Wosize_val(Args); - GVArgs = (LLVMGenericValueRef*) malloc(NumArgs * sizeof(LLVMGenericValueRef)); - for (I = 0; I != NumArgs; ++I) - GVArgs[I] = Genericvalue_val(Field(Args, I)); - - Result = LLVMRunFunction(EE, F, NumArgs, GVArgs); - - free(GVArgs); - return alloc_generic_value(Result); -} - -/* ExecutionEngine.t -> unit */ -CAMLprim value llvm_ee_run_static_ctors(LLVMExecutionEngineRef EE) { - LLVMRunStaticConstructors(EE); - return Val_unit; -} - -/* ExecutionEngine.t -> unit */ -CAMLprim value llvm_ee_run_static_dtors(LLVMExecutionEngineRef EE) { - LLVMRunStaticDestructors(EE); - return Val_unit; -} - -/* llvalue -> string array -> (string * string) array -> ExecutionEngine.t -> - int */ -CAMLprim value llvm_ee_run_function_as_main(LLVMValueRef F, - value Args, value Env, - LLVMExecutionEngineRef EE) { - CAMLparam2(Args, Env); - int I, NumArgs, NumEnv, EnvSize, Result; - const char **CArgs, **CEnv; - char *CEnvBuf, *Pos; - - NumArgs = Wosize_val(Args); - NumEnv = Wosize_val(Env); - - /* Build the environment. */ - CArgs = (const char **) malloc(NumArgs * sizeof(char*)); - for (I = 0; I != NumArgs; ++I) - CArgs[I] = String_val(Field(Args, I)); - - /* Compute the size of the environment string buffer. */ - for (I = 0, EnvSize = 0; I != NumEnv; ++I) { - EnvSize += strlen(String_val(Field(Field(Env, I), 0))) + 1; - EnvSize += strlen(String_val(Field(Field(Env, I), 1))) + 1; - } - - /* Build the environment. */ - CEnv = (const char **) malloc((NumEnv + 1) * sizeof(char*)); - CEnvBuf = (char*) malloc(EnvSize); - Pos = CEnvBuf; - for (I = 0; I != NumEnv; ++I) { - char *Name = String_val(Field(Field(Env, I), 0)), - *Value = String_val(Field(Field(Env, I), 1)); - int NameLen = strlen(Name), - ValueLen = strlen(Value); - - CEnv[I] = Pos; - memcpy(Pos, Name, NameLen); - Pos += NameLen; - *Pos++ = '='; - memcpy(Pos, Value, ValueLen); - Pos += ValueLen; - *Pos++ = '\0'; - } - CEnv[NumEnv] = NULL; - - Result = LLVMRunFunctionAsMain(EE, F, NumArgs, CArgs, CEnv); - - free(CArgs); - free(CEnv); - free(CEnvBuf); - - CAMLreturn(Val_int(Result)); -} - -/* llvalue -> ExecutionEngine.t -> unit */ -CAMLprim value llvm_ee_free_machine_code(LLVMValueRef F, - LLVMExecutionEngineRef EE) { - LLVMFreeMachineCodeForFunction(EE, F); - return Val_unit; -} - |