chore(3p/glog): Unvendor glog r/3784

... and build //third_party/nix with the one from nixpkgs.

Change-Id: Iae7f1772a31286f2c22955cdc1fe61ee82d112aa
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3016
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>

1 files changed, 0 insertions, 217 deletions

diff --git a/third_party/glog/src/stacktrace_unittest.cc b/third_party/glog/src/stacktrace_unittest.cc
deleted file mode 100644
index 77d34291b381..000000000000
--- a/third_party/glog/src/stacktrace_unittest.cc
+++ /dev/null
@@ -1,217 +0,0 @@
-// Copyright (c) 2004, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * 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.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "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 COPYRIGHT
-// OWNER OR CONTRIBUTORS 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 "utilities.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include "config.h"
-#include "base/commandlineflags.h"
-#include "glog/logging.h"
-#include "stacktrace.h"
-
-#ifdef HAVE_EXECINFO_H
-# include <execinfo.h>
-#endif
-
-using namespace GOOGLE_NAMESPACE;
-
-#ifdef HAVE_STACKTRACE
-
-// Obtain a backtrace, verify that the expected callers are present in the
-// backtrace, and maybe print the backtrace to stdout.
-
-// The sequence of functions whose return addresses we expect to see in the
-// backtrace.
-const int BACKTRACE_STEPS = 6;
-
-struct AddressRange {
-  const void *start, *end;
-};
-
-// Expected function [start,end] range.
-AddressRange expected_range[BACKTRACE_STEPS];
-
-#if __GNUC__
-// Using GCC extension: address of a label can be taken with '&&label'.
-// Start should be a label somewhere before recursive call, end somewhere
-// after it.
-#define INIT_ADDRESS_RANGE(fn, start_label, end_label, prange)           \
-  do {                                                                   \
-    (prange)->start = &&start_label;                                     \
-    (prange)->end = &&end_label;                                         \
-    CHECK_LT((prange)->start, (prange)->end);                            \
-  } while (0)
-// This macro expands into "unmovable" code (opaque to GCC), and that
-// prevents GCC from moving a_label up or down in the code.
-// Without it, there is no code following the 'end' label, and GCC
-// (4.3.1, 4.4.0) thinks it safe to assign &&end an address that is before
-// the recursive call.
-#define DECLARE_ADDRESS_LABEL(a_label)                                   \
-  a_label: do { __asm__ __volatile__(""); } while (0)
-// Gcc 4.4.0 may split function into multiple chunks, and the chunk
-// performing recursive call may end up later in the code then the return
-// instruction (this actually happens with FDO).
-// Adjust function range from __builtin_return_address.
-#define ADJUST_ADDRESS_RANGE_FROM_RA(prange)                             \
-  do {                                                                   \
-    void *ra = __builtin_return_address(0);                              \
-    CHECK_LT((prange)->start, ra);                                       \
-    if (ra > (prange)->end) {                                            \
-      printf("Adjusting range from %p..%p to %p..%p\n",                  \
-             (prange)->start, (prange)->end,                             \
-             (prange)->start, ra);                                       \
-      (prange)->end = ra;                                                \
-    }                                                                    \
-  } while (0)
-#else
-// Assume the Check* functions below are not longer than 256 bytes.
-#define INIT_ADDRESS_RANGE(fn, start_label, end_label, prange)           \
-  do {                                                                   \
-    (prange)->start = reinterpret_cast<const void *>(&fn);               \
-    (prange)->end = reinterpret_cast<const char *>(&fn) + 256;           \
-  } while (0)
-#define DECLARE_ADDRESS_LABEL(a_label) do { } while (0)
-#define ADJUST_ADDRESS_RANGE_FROM_RA(prange) do { } while (0)
-#endif  // __GNUC__
-
-//-----------------------------------------------------------------------//
-
-static void CheckRetAddrIsInFunction(void *ret_addr, const AddressRange &range)
-{
-  CHECK_GE(ret_addr, range.start);
-  CHECK_LE(ret_addr, range.end);
-}
-
-//-----------------------------------------------------------------------//
-
-void ATTRIBUTE_NOINLINE CheckStackTrace(int);
-static void ATTRIBUTE_NOINLINE CheckStackTraceLeaf(void) {
-  const int STACK_LEN = 10;
-  void *stack[STACK_LEN];
-  int size;
-
-  ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[1]);
-  INIT_ADDRESS_RANGE(CheckStackTraceLeaf, start, end, &expected_range[0]);
-  DECLARE_ADDRESS_LABEL(start);
-  size = GetStackTrace(stack, STACK_LEN, 0);
-  printf("Obtained %d stack frames.\n", size);
-  CHECK_GE(size, 1);
-  CHECK_LE(size, STACK_LEN);
-
-  if (1) {
-#ifdef HAVE_EXECINFO_H
-    char **strings = backtrace_symbols(stack, size);
-    printf("Obtained %d stack frames.\n", size);
-    for (int i = 0; i < size; i++)
-      printf("%s %p\n", strings[i], stack[i]);
-    printf("CheckStackTrace() addr: %p\n", &CheckStackTrace);
-    free(strings);
-#endif
-  }
-  for (int i = 0; i < BACKTRACE_STEPS; i++) {
-    printf("Backtrace %d: expected: %p..%p  actual: %p ... ",
-           i, expected_range[i].start, expected_range[i].end, stack[i]);
-    fflush(stdout);
-    CheckRetAddrIsInFunction(stack[i], expected_range[i]);
-    printf("OK\n");
-  }
-  DECLARE_ADDRESS_LABEL(end);
-}
-
-//-----------------------------------------------------------------------//
-
-/* Dummy functions to make the backtrace more interesting. */
-static void ATTRIBUTE_NOINLINE CheckStackTrace4(int i) {
-  ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[2]);
-  INIT_ADDRESS_RANGE(CheckStackTrace4, start, end, &expected_range[1]);
-  DECLARE_ADDRESS_LABEL(start);
-  for (int j = i; j >= 0; j--)
-    CheckStackTraceLeaf();
-  DECLARE_ADDRESS_LABEL(end);
-}
-static void ATTRIBUTE_NOINLINE CheckStackTrace3(int i) {
-  ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[3]);
-  INIT_ADDRESS_RANGE(CheckStackTrace3, start, end, &expected_range[2]);
-  DECLARE_ADDRESS_LABEL(start);
-  for (int j = i; j >= 0; j--)
-    CheckStackTrace4(j);
-  DECLARE_ADDRESS_LABEL(end);
-}
-static void ATTRIBUTE_NOINLINE CheckStackTrace2(int i) {
-  ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[4]);
-  INIT_ADDRESS_RANGE(CheckStackTrace2, start, end, &expected_range[3]);
-  DECLARE_ADDRESS_LABEL(start);
-  for (int j = i; j >= 0; j--)
-    CheckStackTrace3(j);
-  DECLARE_ADDRESS_LABEL(end);
-}
-static void ATTRIBUTE_NOINLINE CheckStackTrace1(int i) {
-  ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[5]);
-  INIT_ADDRESS_RANGE(CheckStackTrace1, start, end, &expected_range[4]);
-  DECLARE_ADDRESS_LABEL(start);
-  for (int j = i; j >= 0; j--)
-    CheckStackTrace2(j);
-  DECLARE_ADDRESS_LABEL(end);
-}
-#ifndef __GNUC__
-// On non-GNU environment, we use the address of `CheckStackTrace` to
-// guess the address range of this function. This guess is wrong for
-// non-static function on Windows. This is probably because
-// `&CheckStackTrace` returns the address of a trampoline like PLT,
-// not the actual address of `CheckStackTrace`.
-// See https://github.com/google/glog/issues/421 for the detail.
-static
-#endif
-void ATTRIBUTE_NOINLINE CheckStackTrace(int i) {
-  INIT_ADDRESS_RANGE(CheckStackTrace, start, end, &expected_range[5]);
-  DECLARE_ADDRESS_LABEL(start);
-  for (int j = i; j >= 0; j--)
-    CheckStackTrace1(j);
-  DECLARE_ADDRESS_LABEL(end);
-}
-
-//-----------------------------------------------------------------------//
-
-int main(int, char ** argv) {
-  FLAGS_logtostderr = true;
-  InitGoogleLogging(argv[0]);
-
-  CheckStackTrace(0);
-
-  printf("PASS\n");
-  return 0;
-}
-
-#else
-int main() {
-  printf("PASS (no stacktrace support)\n");
-  return 0;
-}
-#endif  // HAVE_STACKTRACE