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authorColin Cross <ccross@android.com>2022-04-13 03:15:00 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2022-04-13 03:15:00 +0000
commit6c9587948173932b64d97c288a947e43d2a2ac14 (patch)
tree2ce94d7f0804ccb77d1fa9b2a1bca00eecdff1e2 /third_party/abseil-cpp/absl/debugging/symbolize_emscripten.inc
parentf60eaea2240ba9e1c508e8e0c91d39ee9fc47be5 (diff)
parent43d8f56cdc20240b37c36bf417dd0d6999bce738 (diff)
downloadwebrtc-6c9587948173932b64d97c288a947e43d2a2ac14.tar.gz
Merge changes I0ab600cd,I1e74c64a am: 798f3afdf6 am: 2f9c4b2c3b am: a9167328fc am: 7563023510 am: 43d8f56cdcandroid-13.0.0_r83android-13.0.0_r82android-13.0.0_r81android-13.0.0_r80android-13.0.0_r79android-13.0.0_r78android-13.0.0_r77android-13.0.0_r76android-13.0.0_r75android-13.0.0_r74android-13.0.0_r73android-13.0.0_r72android-13.0.0_r71android-13.0.0_r70android-13.0.0_r69android-13.0.0_r68android-13.0.0_r67android-13.0.0_r66android-13.0.0_r65android-13.0.0_r64android-13.0.0_r63android-13.0.0_r62android-13.0.0_r61android-13.0.0_r60android-13.0.0_r59android-13.0.0_r58android-13.0.0_r56android-13.0.0_r54android-13.0.0_r53android-13.0.0_r52android-13.0.0_r51android-13.0.0_r50android-13.0.0_r49android-13.0.0_r48android-13.0.0_r47android-13.0.0_r46android-13.0.0_r45android-13.0.0_r44android-13.0.0_r43android-13.0.0_r42android-13.0.0_r41android-13.0.0_r40android-13.0.0_r39android-13.0.0_r38android-13.0.0_r37android-13.0.0_r36android-13.0.0_r35android-13.0.0_r34android-13.0.0_r33android-13.0.0_r32android13-qpr3-s9-releaseandroid13-qpr3-s8-releaseandroid13-qpr3-s7-releaseandroid13-qpr3-s6-releaseandroid13-qpr3-s5-releaseandroid13-qpr3-s4-releaseandroid13-qpr3-s3-releaseandroid13-qpr3-s2-releaseandroid13-qpr3-s14-releaseandroid13-qpr3-s13-releaseandroid13-qpr3-s12-releaseandroid13-qpr3-s11-releaseandroid13-qpr3-s10-releaseandroid13-qpr3-s1-releaseandroid13-qpr3-releaseandroid13-qpr3-c-s8-releaseandroid13-qpr3-c-s7-releaseandroid13-qpr3-c-s6-releaseandroid13-qpr3-c-s5-releaseandroid13-qpr3-c-s4-releaseandroid13-qpr3-c-s3-releaseandroid13-qpr3-c-s2-releaseandroid13-qpr3-c-s12-releaseandroid13-qpr3-c-s11-releaseandroid13-qpr3-c-s10-releaseandroid13-qpr3-c-s1-releaseandroid13-qpr2-s9-releaseandroid13-qpr2-s8-releaseandroid13-qpr2-s7-releaseandroid13-qpr2-s6-releaseandroid13-qpr2-s5-releaseandroid13-qpr2-s3-releaseandroid13-qpr2-s2-releaseandroid13-qpr2-s12-releaseandroid13-qpr2-s11-releaseandroid13-qpr2-s10-releaseandroid13-qpr2-s1-releaseandroid13-qpr2-releaseandroid13-qpr2-b-s1-releaseandroid13-d4-s2-releaseandroid13-d4-s1-releaseandroid13-d4-release
Original change: https://android-review.googlesource.com/c/platform/external/webrtc/+/2062410 Change-Id: I1aa9f459b825711b800cc65782979943a9151ec7 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
Diffstat (limited to 'third_party/abseil-cpp/absl/debugging/symbolize_emscripten.inc')
-rw-r--r--third_party/abseil-cpp/absl/debugging/symbolize_emscripten.inc72
1 files changed, 72 insertions, 0 deletions
diff --git a/third_party/abseil-cpp/absl/debugging/symbolize_emscripten.inc b/third_party/abseil-cpp/absl/debugging/symbolize_emscripten.inc
new file mode 100644
index 0000000000..c226c45666
--- /dev/null
+++ b/third_party/abseil-cpp/absl/debugging/symbolize_emscripten.inc
@@ -0,0 +1,72 @@
+// 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 <emscripten.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"
+
+extern "C" {
+const char* emscripten_pc_get_function(const void* pc);
+}
+
+// clang-format off
+EM_JS(bool, HaveOffsetConverter, (),
+ { return typeof wasmOffsetConverter !== 'undefined'; });
+// clang-format on
+
+namespace absl {
+ABSL_NAMESPACE_BEGIN
+
+void InitializeSymbolizer(const char*) {
+ if (!HaveOffsetConverter()) {
+ ABSL_RAW_LOG(INFO,
+ "Symbolization unavailable. Rebuild with -sWASM=1 "
+ "and -sUSE_OFFSET_CONVERTER=1.");
+ }
+}
+
+bool Symbolize(const void* pc, char* out, int out_size) {
+ // Check if we have the offset converter necessary for pc_get_function.
+ // Without it, the program will abort().
+ if (!HaveOffsetConverter()) {
+ return false;
+ }
+ const char* func_name = emscripten_pc_get_function(pc);
+ if (func_name == nullptr) {
+ return false;
+ }
+
+ strncpy(out, func_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<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