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-- LLVM back-end for ortho.
-- Copyright (C) 2014 Tristan Gingold
--
-- This program 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 of the License, or
-- (at your option) any later version.
--
-- This program 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 this program. If not, see <gnu.org/licenses>.
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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