Revert "YT-19324: move YT provider to ydb/library/yql"

This reverts commit ca272f12fdd0e8d5c3e957fc87939148f1caaf72, reversing
changes made to 49f8acfc8b0b5c0071b804423bcf53fda26c7c12.

1 files changed, 0 insertions, 129 deletions

diff --git a/contrib/libs/backtrace/backtrace.c b/contrib/libs/backtrace/backtrace.c
deleted file mode 100644
index 7b62900852..0000000000
--- a/contrib/libs/backtrace/backtrace.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* backtrace.c -- Entry point for stack backtrace library.
-   Copyright (C) 2012-2021 Free Software Foundation, Inc.
-   Written by Ian Lance Taylor, Google.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-    (1) Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-
-    (2) Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in
-    the documentation and/or other materials provided with the
-    distribution.
-
-    (3) The name of the author may not be used to
-    endorse or promote products derived from this software without
-    specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
-INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
-IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.  */
-
-#include "config.h"
-
-#include <sys/types.h>
-
-#include "unwind.h"
-#include "backtrace.h"
-#include "internal.h"
-
-/* The main backtrace_full routine.  */
-
-/* Data passed through _Unwind_Backtrace.  */
-
-struct backtrace_data
-{
-  /* Number of frames to skip.  */
-  int skip;
-  /* Library state.  */
-  struct backtrace_state *state;
-  /* Callback routine.  */
-  backtrace_full_callback callback;
-  /* Error callback routine.  */
-  backtrace_error_callback error_callback;
-  /* Data to pass to callback routines.  */
-  void *data;
-  /* Value to return from backtrace_full.  */
-  int ret;
-  /* Whether there is any memory available.  */
-  int can_alloc;
-};
-
-/* Unwind library callback routine.  This is passed to
-   _Unwind_Backtrace.  */
-
-static _Unwind_Reason_Code
-unwind (struct _Unwind_Context *context, void *vdata)
-{
-  struct backtrace_data *bdata = (struct backtrace_data *) vdata;
-  uintptr_t pc;
-  int ip_before_insn = 0;
-
-#ifdef HAVE_GETIPINFO
-  pc = _Unwind_GetIPInfo (context, &ip_before_insn);
-#else
-  pc = _Unwind_GetIP (context);
-#endif
-
-  if (bdata->skip > 0)
-    {
-      --bdata->skip;
-      return _URC_NO_REASON;
-    }
-
-  if (!ip_before_insn)
-    --pc;
-
-  if (!bdata->can_alloc)
-    bdata->ret = bdata->callback (bdata->data, pc, NULL, 0, NULL);
-  else
-    bdata->ret = backtrace_pcinfo (bdata->state, pc, bdata->callback,
-				   bdata->error_callback, bdata->data);
-  if (bdata->ret != 0)
-    return _URC_END_OF_STACK;
-
-  return _URC_NO_REASON;
-}
-
-/* Get a stack backtrace.  */
-
-int __attribute__((noinline))
-backtrace_full (struct backtrace_state *state, int skip,
-		backtrace_full_callback callback,
-		backtrace_error_callback error_callback, void *data)
-{
-  struct backtrace_data bdata;
-  void *p;
-
-  bdata.skip = skip + 1;
-  bdata.state = state;
-  bdata.callback = callback;
-  bdata.error_callback = error_callback;
-  bdata.data = data;
-  bdata.ret = 0;
-
-  /* If we can't allocate any memory at all, don't try to produce
-     file/line information.  */
-  p = backtrace_alloc (state, 4096, NULL, NULL);
-  if (p == NULL)
-    bdata.can_alloc = 0;
-  else
-    {
-      backtrace_free (state, p, 4096, NULL, NULL);
-      bdata.can_alloc = 1;
-    }
-
-  _Unwind_Backtrace (unwind, &bdata);
-  return bdata.ret;
-}