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author | Richard Kenner <kenner@gcc.gnu.org> | 2001-10-02 10:18:40 -0400 |
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committer | Richard Kenner <kenner@gcc.gnu.org> | 2001-10-02 10:18:40 -0400 |
commit | 38cbfe40a046b12a3d9bc56e6cf76d86c458ef39 (patch) | |
tree | 6570bc15069492ca4f53a85c5d09a36d099fd63f /gcc/ada/g-trasym.adb | |
parent | 70482933d8f6a73b660f4cfa97b5c7c9deaf152e (diff) | |
download | gcc-38cbfe40a046b12a3d9bc56e6cf76d86c458ef39.zip gcc-38cbfe40a046b12a3d9bc56e6cf76d86c458ef39.tar.gz gcc-38cbfe40a046b12a3d9bc56e6cf76d86c458ef39.tar.bz2 |
New Language: Ada
From-SVN: r45955
Diffstat (limited to 'gcc/ada/g-trasym.adb')
-rw-r--r-- | gcc/ada/g-trasym.adb | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/gcc/ada/g-trasym.adb b/gcc/ada/g-trasym.adb new file mode 100644 index 0000000..65ffe0f --- /dev/null +++ b/gcc/ada/g-trasym.adb @@ -0,0 +1,87 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- G N A T . T R A C E B A C K . S Y M B O L I C -- +-- -- +-- B o d y -- +-- -- +-- $Revision: 1.6 $ +-- -- +-- Copyright (C) 1999 Ada Core Technologies, Inc. -- +-- -- +-- 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, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, 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 is maintained by Ada Core Technologies Inc (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ + +-- Run-time symbolic traceback support + +with System.Soft_Links; +with Ada.Exceptions.Traceback; use Ada.Exceptions.Traceback; + +package body GNAT.Traceback.Symbolic is + + pragma Linker_Options ("-laddr2line"); + pragma Linker_Options ("-lbfd"); + pragma Linker_Options ("-liberty"); + + package TSL renames System.Soft_Links; + + ------------------------ + -- Symbolic_Traceback -- + ------------------------ + + function Symbolic_Traceback (Traceback : Tracebacks_Array) return String is + procedure convert_addresses + (addrs : System.Address; + n_addr : Integer; + buf : System.Address; + len : System.Address); + pragma Import (C, convert_addresses, "convert_addresses"); + -- This is the procedure version of the Ada aware addr2line that will + -- use argv[0] as the executable containing the debug information. + -- This procedure is provided by libaddr2line on targets that support + -- it. A dummy version is in a-adaint.c for other targets so that build + -- of shared libraries doesn't generate unresolved symbols. + -- + -- Note that this procedure is *not* thread-safe. + + Res : String (1 .. 256 * Traceback'Length); + Len : Integer; + + begin + if Traceback'Length > 0 then + TSL.Lock_Task.all; + convert_addresses + (Traceback'Address, Traceback'Length, Res (1)'Address, Len'Address); + TSL.Unlock_Task.all; + return Res (1 .. Len); + else + return ""; + end if; + end Symbolic_Traceback; + + function Symbolic_Traceback (E : Exception_Occurrence) return String is + begin + return Symbolic_Traceback (Tracebacks (E)); + end Symbolic_Traceback; + +end GNAT.Traceback.Symbolic; |