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-- LLVM back-end for ortho.
-- Copyright (C) 2014 Tristan Gingold
--
-- GHDL is free software; you can redistribute it and/or modify it under
-- the terms of the GNU General Public License as published by the Free
-- Software Foundation; either version 2, or (at your option) any later
-- version.
--
-- GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
-- WARRANTY; without even the implied warranty of MERCHANTABILITY or
-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-- for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with GCC; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
package body Ortho_LLVM.Jit is
-- procedure AddExternalFunction (Name : Cstring; Val : Address);
-- pragma Import (C, AddExternalFunction, "ortho_AddExternalFunction");
function GetPointerToFunction (EE : ExecutionEngineRef; Func : ValueRef)
return Address;
pragma Import (C, GetPointerToFunction, "LLVMGetPointerToFunction");
-- Set address of non-defined global variables or functions.
procedure Set_Address (Decl : O_Dnode; Addr : Address) is
begin
case Decl.Kind is
when ON_Var_Decl | ON_Const_Decl =>
AddGlobalMapping (Engine, Decl.LLVM, Addr);
when ON_Subprg_Decl =>
null;
-- AddExternalFunction (GetValueName (Decl.LLVM), Addr);
when others =>
raise Program_Error;
end case;
end Set_Address;
-- Get address of a global.
function Get_Address (Decl : O_Dnode) return Address
is
begin
case Decl.Kind is
when ON_Var_Decl | ON_Const_Decl =>
return GetPointerToGlobal (Engine, Decl.LLVM);
when ON_Subprg_Decl =>
return GetPointerToFunction (Engine, Decl.LLVM);
when others =>
raise Program_Error;
end case;
end Get_Address;
end Ortho_LLVM.Jit;
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