From 5aa5d282eac56a21e74611c1cdbaa97bb5db2dca Mon Sep 17 00:00:00 2001 From: Vincent Ambo Date: Tue, 8 Feb 2022 02:05:36 +0300 Subject: chore(3p/abseil_cpp): unvendor abseil_cpp we weren't actually using these sources anymore, okay? Change-Id: If701571d9716de308d3512e1eb22c35db0877a66 Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248 Tested-by: BuildkiteCI Reviewed-by: grfn Autosubmit: tazjin --- .../abseil_cpp/absl/debugging/symbolize_win32.inc | 81 ---------------------- 1 file changed, 81 deletions(-) delete mode 100644 third_party/abseil_cpp/absl/debugging/symbolize_win32.inc (limited to 'third_party/abseil_cpp/absl/debugging/symbolize_win32.inc') diff --git a/third_party/abseil_cpp/absl/debugging/symbolize_win32.inc b/third_party/abseil_cpp/absl/debugging/symbolize_win32.inc deleted file mode 100644 index c3df46f606c2..000000000000 --- a/third_party/abseil_cpp/absl/debugging/symbolize_win32.inc +++ /dev/null @@ -1,81 +0,0 @@ -// Copyright 2018 The Abseil Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// See "Retrieving Symbol Information by Address": -// https://msdn.microsoft.com/en-us/library/windows/desktop/ms680578(v=vs.85).aspx - -#include - -// MSVC header dbghelp.h has a warning for an ignored typedef. -#pragma warning(push) -#pragma warning(disable:4091) -#include -#pragma warning(pop) - -#pragma comment(lib, "dbghelp.lib") - -#include -#include - -#include "absl/base/internal/raw_logging.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN - -static HANDLE process = NULL; - -void InitializeSymbolizer(const char*) { - if (process != nullptr) { - return; - } - process = GetCurrentProcess(); - - // Symbols are not loaded until a reference is made requiring the - // symbols be loaded. This is the fastest, most efficient way to use - // the symbol handler. - SymSetOptions(SYMOPT_DEFERRED_LOADS | SYMOPT_UNDNAME); - if (!SymInitialize(process, nullptr, true)) { - // GetLastError() returns a Win32 DWORD, but we assign to - // unsigned long long to simplify the ABSL_RAW_LOG case below. The uniform - // initialization guarantees this is not a narrowing conversion. - const unsigned long long error{GetLastError()}; // NOLINT(runtime/int) - ABSL_RAW_LOG(FATAL, "SymInitialize() failed: %llu", error); - } -} - -bool Symbolize(const void* pc, char* out, int out_size) { - if (out_size <= 0) { - return false; - } - alignas(SYMBOL_INFO) char buf[sizeof(SYMBOL_INFO) + MAX_SYM_NAME]; - SYMBOL_INFO* symbol = reinterpret_cast(buf); - symbol->SizeOfStruct = sizeof(SYMBOL_INFO); - symbol->MaxNameLen = MAX_SYM_NAME; - if (!SymFromAddr(process, reinterpret_cast(pc), nullptr, symbol)) { - return false; - } - strncpy(out, symbol->Name, out_size); - if (out[out_size - 1] != '\0') { - // strncpy() does not '\0' terminate when it truncates. - static constexpr char kEllipsis[] = "..."; - int ellipsis_size = - std::min(sizeof(kEllipsis) - 1, out_size - 1); - memcpy(out + out_size - ellipsis_size - 1, kEllipsis, ellipsis_size); - out[out_size - 1] = '\0'; - } - return true; -} - -ABSL_NAMESPACE_END -} // namespace absl -- cgit 1.4.1