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/* GDC -- D front-end for GCC
   Copyright (C) 2013 Free Software Foundation, Inc.

   GCC 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 3, or (at your option) any later
   version.

   GCC 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 COPYING3.  If not see
   <http://www.gnu.org/licenses/>.
*/

/* This module provides access to GCC libbacktrace functions */
module gcc.libbacktrace;

/*
 * This is not part of libbacktrace, it's used for the temporary gdc fallback
 * implementation. To avoid adding another autoconf module it's defined here
 */

enum HAVE_DLADDR = false;
static if (HAVE_DLADDR)
{
    extern(C):
        int dladdr(void *addr, Dl_info *info);
        struct Dl_info
        {
            const (char*) dli_fname;
            void*         dli_fbase;
            const (char*) dli_sname;
            void*         dli_saddr;
        }
}

/*
 * Part of backtrace-supported.h: These are platform specific variables.
 * They are obtained via the configure script
 */

enum BACKTRACE_SUPPORTED = true;
enum BACKTRACE_USES_MALLOC = false;
enum BACKTRACE_SUPPORTS_THREADS = true;

/*
 * libbacktrace.h
 */

static if(BACKTRACE_SUPPORTED)
{
    import core.stdc.stddef, core.stdc.stdio, core.stdc.stdint;

    extern(C):
        struct backtrace_state {}

        alias extern(C) void function(void* data,
            const(char)* msg, int errnum) backtrace_error_callback;

        backtrace_state* backtrace_create_state( const(char)* filename, int threaded,
            backtrace_error_callback error_callback, void* data);

        alias extern(C) int function(void* data, uintptr_t pc,
            const(char)* filename, int lineno, const(char)* func) backtrace_full_callback;

        int backtrace_full(backtrace_state* state, int skip, backtrace_full_callback callback,
            backtrace_error_callback error_callback, void* data);

        alias extern(C) int function(void* data, uintptr_t pc) backtrace_simple_callback;

        int backtrace_simple(backtrace_state* state, int skip, backtrace_simple_callback callback,
            backtrace_error_callback error_callback, void* data);

        void backtrace_print(backtrace_state* state, int skip, FILE* file);

        int backtrace_pcinfo(backtrace_state* state, uintptr_t pc, backtrace_full_callback callback,
            backtrace_error_callback error_callback,    void* data);

        alias extern(C) void function(void* data, uintptr_t pc,
            const(char)* symname, uintptr_t symval) backtrace_syminfo_callback;

        int backtrace_syminfo(backtrace_state *state, uintptr_t pc, backtrace_syminfo_callback callback,
            backtrace_error_callback error_callback, void* data);
}