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@@ -1,112 +0,0 @@
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- S Y S T E M . T R A C E B A C K --
--- --
--- B o d y --
--- --
--- Copyright (C) 1999-2005, AdaCore --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT 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 distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This version uses System.Machine_State_Operations routines
-
-with System.Machine_State_Operations;
-
-package body System.Traceback is
-
- use System.Machine_State_Operations;
-
- ----------------
- -- Call_Chain --
- ----------------
-
- procedure Call_Chain
- (Traceback : System.Address;
- Max_Len : Natural;
- Len : out Natural;
- Exclude_Min : System.Address := System.Null_Address;
- Exclude_Max : System.Address := System.Null_Address;
- Skip_Frames : Natural := 1)
- is
- type Tracebacks_Array is array (1 .. Max_Len) of Code_Loc;
- pragma Suppress_Initialization (Tracebacks_Array);
-
- M : Machine_State;
- Code : Code_Loc;
-
- Trace : Tracebacks_Array;
- for Trace'Address use Traceback;
-
- N_Skips : Natural := 0;
-
- begin
- M := Allocate_Machine_State;
- Set_Machine_State (M);
-
- -- Skip the requested number of frames
-
- loop
- Code := Get_Code_Loc (M);
- exit when Code = Null_Address or else N_Skips = Skip_Frames;
-
- Pop_Frame (M);
- N_Skips := N_Skips + 1;
- end loop;
-
- -- Now, record the frames outside the exclusion bounds, updating
- -- the Len output value along the way.
-
- Len := 0;
- loop
- Code := Get_Code_Loc (M);
- exit when Code = Null_Address or else Len = Max_Len;
-
- if Code < Exclude_Min or else Code > Exclude_Max then
- Len := Len + 1;
- Trace (Len) := Code;
- end if;
-
- Pop_Frame (M);
- end loop;
-
- Free_Machine_State (M);
- end Call_Chain;
-
- ------------------
- -- C_Call_Chain --
- ------------------
-
- function C_Call_Chain
- (Traceback : System.Address;
- Max_Len : Natural) return Natural
- is
- Val : Natural;
- begin
- Call_Chain (Traceback, Max_Len, Val);
- return Val;
- end C_Call_Chain;
-
-end System.Traceback;