Merging upstream version 1.46.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 346 deletions

diff --git a/fluent-bit/lib/libbacktrace-8602fda/fileline.c b/fluent-bit/lib/libbacktrace-8602fda/fileline.c
deleted file mode 100644
index 0472f4721..000000000
--- a/fluent-bit/lib/libbacktrace-8602fda/fileline.c
+++ /dev/null
@@ -1,346 +0,0 @@
-/* fileline.c -- Get file and line number information in a backtrace.
-   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 <sys/stat.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#if defined (HAVE_KERN_PROC_ARGS) || defined (HAVE_KERN_PROC)
-#include <sys/sysctl.h>
-#endif
-
-#ifdef HAVE_MACH_O_DYLD_H
-#include <mach-o/dyld.h>
-#endif
-
-#include "backtrace.h"
-#include "internal.h"
-
-#ifndef HAVE_GETEXECNAME
-#define getexecname() NULL
-#endif
-
-#if !defined (HAVE_KERN_PROC_ARGS) && !defined (HAVE_KERN_PROC)
-
-#define sysctl_exec_name1(state, error_callback, data) NULL
-#define sysctl_exec_name2(state, error_callback, data) NULL
-
-#else /* defined (HAVE_KERN_PROC_ARGS) || |defined (HAVE_KERN_PROC) */
-
-static char *
-sysctl_exec_name (struct backtrace_state *state,
-		  int mib0, int mib1, int mib2, int mib3,
-		  backtrace_error_callback error_callback, void *data)
-{
-  int mib[4];
-  size_t len;
-  char *name;
-  size_t rlen;
-
-  mib[0] = mib0;
-  mib[1] = mib1;
-  mib[2] = mib2;
-  mib[3] = mib3;
-
-  if (sysctl (mib, 4, NULL, &len, NULL, 0) < 0)
-    return NULL;
-  name = (char *) backtrace_alloc (state, len, error_callback, data);
-  if (name == NULL)
-    return NULL;
-  rlen = len;
-  if (sysctl (mib, 4, name, &rlen, NULL, 0) < 0)
-    {
-      backtrace_free (state, name, len, error_callback, data);
-      return NULL;
-    }
-  return name;
-}
-
-#ifdef HAVE_KERN_PROC_ARGS
-
-static char *
-sysctl_exec_name1 (struct backtrace_state *state,
-		   backtrace_error_callback error_callback, void *data)
-{
-  /* This variant is used on NetBSD.  */
-  return sysctl_exec_name (state, CTL_KERN, KERN_PROC_ARGS, -1,
-			   KERN_PROC_PATHNAME, error_callback, data);
-}
-
-#else
-
-#define sysctl_exec_name1(state, error_callback, data) NULL
-
-#endif
-
-#ifdef HAVE_KERN_PROC
-
-static char *
-sysctl_exec_name2 (struct backtrace_state *state,
-		   backtrace_error_callback error_callback, void *data)
-{
-  /* This variant is used on FreeBSD.  */
-  return sysctl_exec_name (state, CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1,
-			   error_callback, data);
-}
-
-#else
-
-#define sysctl_exec_name2(state, error_callback, data) NULL
-
-#endif
-
-#endif /* defined (HAVE_KERN_PROC_ARGS) || |defined (HAVE_KERN_PROC) */
-
-#ifdef HAVE_MACH_O_DYLD_H
-
-static char *
-macho_get_executable_path (struct backtrace_state *state,
-			   backtrace_error_callback error_callback, void *data)
-{
-  uint32_t len;
-  char *name;
-
-  len = 0;
-  if (_NSGetExecutablePath (NULL, &len) == 0)
-    return NULL;
-  name = (char *) backtrace_alloc (state, len, error_callback, data);
-  if (name == NULL)
-    return NULL;
-  if (_NSGetExecutablePath (name, &len) != 0)
-    {
-      backtrace_free (state, name, len, error_callback, data);
-      return NULL;
-    }
-  return name;
-}
-
-#else /* !defined (HAVE_MACH_O_DYLD_H) */
-
-#define macho_get_executable_path(state, error_callback, data) NULL
-
-#endif /* !defined (HAVE_MACH_O_DYLD_H) */
-
-/* Initialize the fileline information from the executable.  Returns 1
-   on success, 0 on failure.  */
-
-static int
-fileline_initialize (struct backtrace_state *state,
-		     backtrace_error_callback error_callback, void *data)
-{
-  int failed;
-  fileline fileline_fn;
-  int pass;
-  int called_error_callback;
-  int descriptor;
-  const char *filename;
-  char buf[64];
-
-  if (!state->threaded)
-    failed = state->fileline_initialization_failed;
-  else
-    failed = backtrace_atomic_load_int (&state->fileline_initialization_failed);
-
-  if (failed)
-    {
-      error_callback (data, "failed to read executable information", -1);
-      return 0;
-    }
-
-  if (!state->threaded)
-    fileline_fn = state->fileline_fn;
-  else
-    fileline_fn = backtrace_atomic_load_pointer (&state->fileline_fn);
-  if (fileline_fn != NULL)
-    return 1;
-
-  /* We have not initialized the information.  Do it now.  */
-
-  descriptor = -1;
-  called_error_callback = 0;
-  for (pass = 0; pass < 8; ++pass)
-    {
-      int does_not_exist;
-
-      switch (pass)
-	{
-	case 0:
-	  filename = state->filename;
-	  break;
-	case 1:
-	  filename = getexecname ();
-	  break;
-	case 2:
-	  filename = "/proc/self/exe";
-	  break;
-	case 3:
-	  filename = "/proc/curproc/file";
-	  break;
-	case 4:
-	  snprintf (buf, sizeof (buf), "/proc/%ld/object/a.out",
-		    (long) getpid ());
-	  filename = buf;
-	  break;
-	case 5:
-	  filename = sysctl_exec_name1 (state, error_callback, data);
-	  break;
-	case 6:
-	  filename = sysctl_exec_name2 (state, error_callback, data);
-	  break;
-	case 7:
-	  filename = macho_get_executable_path (state, error_callback, data);
-	  break;
-	default:
-	  abort ();
-	}
-
-      if (filename == NULL)
-	continue;
-
-      descriptor = backtrace_open (filename, error_callback, data,
-				   &does_not_exist);
-      if (descriptor < 0 && !does_not_exist)
-	{
-	  called_error_callback = 1;
-	  break;
-	}
-      if (descriptor >= 0)
-	break;
-    }
-
-  if (descriptor < 0)
-    {
-      if (!called_error_callback)
-	{
-	  if (state->filename != NULL)
-	    error_callback (data, state->filename, ENOENT);
-	  else
-	    error_callback (data,
-			    "libbacktrace could not find executable to open",
-			    0);
-	}
-      failed = 1;
-    }
-
-  if (!failed)
-    {
-      if (!backtrace_initialize (state, filename, descriptor, error_callback,
-				 data, &fileline_fn))
-	failed = 1;
-    }
-
-  if (failed)
-    {
-      if (!state->threaded)
-	state->fileline_initialization_failed = 1;
-      else
-	backtrace_atomic_store_int (&state->fileline_initialization_failed, 1);
-      return 0;
-    }
-
-  if (!state->threaded)
-    state->fileline_fn = fileline_fn;
-  else
-    {
-      backtrace_atomic_store_pointer (&state->fileline_fn, fileline_fn);
-
-      /* Note that if two threads initialize at once, one of the data
-	 sets may be leaked.  */
-    }
-
-  return 1;
-}
-
-/* Given a PC, find the file name, line number, and function name.  */
-
-int
-backtrace_pcinfo (struct backtrace_state *state, uintptr_t pc,
-		  backtrace_full_callback callback,
-		  backtrace_error_callback error_callback, void *data)
-{
-  if (!fileline_initialize (state, error_callback, data))
-    return 0;
-
-  if (state->fileline_initialization_failed)
-    return 0;
-
-  return state->fileline_fn (state, pc, callback, error_callback, data);
-}
-
-/* Given a PC, find the symbol for it, and its value.  */
-
-int
-backtrace_syminfo (struct backtrace_state *state, uintptr_t pc,
-		   backtrace_syminfo_callback callback,
-		   backtrace_error_callback error_callback, void *data)
-{
-  if (!fileline_initialize (state, error_callback, data))
-    return 0;
-
-  if (state->fileline_initialization_failed)
-    return 0;
-
-  state->syminfo_fn (state, pc, callback, error_callback, data);
-  return 1;
-}
-
-/* A backtrace_syminfo_callback that can call into a
-   backtrace_full_callback, used when we have a symbol table but no
-   debug info.  */
-
-void
-backtrace_syminfo_to_full_callback (void *data, uintptr_t pc,
-				    const char *symname,
-				    uintptr_t symval ATTRIBUTE_UNUSED,
-				    uintptr_t symsize ATTRIBUTE_UNUSED)
-{
-  struct backtrace_call_full *bdata = (struct backtrace_call_full *) data;
-
-  bdata->ret = bdata->full_callback (bdata->full_data, pc, NULL, 0, symname);
-}
-
-/* An error callback that corresponds to
-   backtrace_syminfo_to_full_callback.  */
-
-void
-backtrace_syminfo_to_full_error_callback (void *data, const char *msg,
-					  int errnum)
-{
-  struct backtrace_call_full *bdata = (struct backtrace_call_full *) data;
-
-  bdata->full_error_callback (bdata->full_data, msg, errnum);
-}