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-rw-r--r--third_party/abseil-cpp/absl/debugging/symbolize_darwin.inc101
1 files changed, 0 insertions, 101 deletions
diff --git a/third_party/abseil-cpp/absl/debugging/symbolize_darwin.inc b/third_party/abseil-cpp/absl/debugging/symbolize_darwin.inc
deleted file mode 100644
index 443ce9efc4..0000000000
--- a/third_party/abseil-cpp/absl/debugging/symbolize_darwin.inc
+++ /dev/null
@@ -1,101 +0,0 @@
-// Copyright 2020 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.
-
-#include <cxxabi.h>
-#include <execinfo.h>
-
-#include <algorithm>
-#include <cstring>
-
-#include "absl/base/internal/raw_logging.h"
-#include "absl/debugging/internal/demangle.h"
-#include "absl/strings/numbers.h"
-#include "absl/strings/str_cat.h"
-#include "absl/strings/string_view.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-
-void InitializeSymbolizer(const char*) {}
-
-namespace debugging_internal {
-namespace {
-
-static std::string GetSymbolString(absl::string_view backtrace_line) {
- // Example Backtrace lines:
- // 0 libimaging_shared.dylib 0x018c152a
- // _ZNSt11_Deque_baseIN3nik7mediadb4PageESaIS2_EE17_M_initialize_mapEm + 3478
- //
- // or
- // 0 libimaging_shared.dylib 0x0000000001895c39
- // _ZN3nik4util19register_shared_ptrINS_3gpu7TextureEEEvPKvS5_ + 39
- //
- // or
- // 0 mysterious_app 0x0124000120120009 main + 17
- auto address_pos = backtrace_line.find(" 0x");
- if (address_pos == absl::string_view::npos) return std::string();
- absl::string_view symbol_view = backtrace_line.substr(address_pos + 1);
-
- auto space_pos = symbol_view.find(" ");
- if (space_pos == absl::string_view::npos) return std::string();
- symbol_view = symbol_view.substr(space_pos + 1); // to mangled symbol
-
- auto plus_pos = symbol_view.find(" + ");
- if (plus_pos == absl::string_view::npos) return std::string();
- symbol_view = symbol_view.substr(0, plus_pos); // strip remainng
-
- return std::string(symbol_view);
-}
-
-} // namespace
-} // namespace debugging_internal
-
-bool Symbolize(const void* pc, char* out, int out_size) {
- if (out_size <= 0 || pc == nullptr) {
- out = nullptr;
- return false;
- }
-
- // This allocates a char* array.
- char** frame_strings = backtrace_symbols(const_cast<void**>(&pc), 1);
-
- if (frame_strings == nullptr) return false;
-
- std::string symbol = debugging_internal::GetSymbolString(frame_strings[0]);
- free(frame_strings);
-
- char tmp_buf[1024];
- if (debugging_internal::Demangle(symbol.c_str(), tmp_buf, sizeof(tmp_buf))) {
- size_t len = strlen(tmp_buf);
- if (len + 1 <= static_cast<size_t>(out_size)) { // +1 for '\0'
- assert(len < sizeof(tmp_buf));
- memmove(out, tmp_buf, len + 1);
- }
- } else {
- strncpy(out, symbol.c_str(), 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<int>(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