[Lldb-commits] [lldb] [llvm] [LLDB][Minidump] Make workaround for the Dynamic loader issue (PR #120166)
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lldb-commits at lists.llvm.org
Mon Dec 16 16:36:15 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-llvm-binary-utilities
Author: Jacob Lalonde (Jlalond)
<details>
<summary>Changes</summary>
In #<!-- -->119598 my recent TLS feature seems to break crashpad symbols. I have a few ideas on how this is happening, but for now as a mitigation I'm checking if the Minidump was LLDB generated, and if so leveraging the dynamic loader.
---
Patch is 22.91 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/120166.diff
6 Files Affected:
- (modified) lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp (+2-2)
- (modified) lldb/source/Plugins/Process/minidump/MinidumpParser.cpp (+15-10)
- (modified) lldb/source/Plugins/Process/minidump/MinidumpParser.h (+6-2)
- (modified) lldb/source/Plugins/Process/minidump/ProcessMinidump.cpp (+105-100)
- (modified) lldb/source/Plugins/Process/minidump/ProcessMinidump.h (+5-2)
- (modified) llvm/include/llvm/BinaryFormat/Minidump.h (+4)
``````````diff
diff --git a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
index bcac5edbc1a793..a4541f8bddf1a2 100644
--- a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
+++ b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
@@ -918,8 +918,8 @@ Status MinidumpFileBuilder::DumpHeader() const {
0u), // not used in most of the writers
header.TimeDateStamp =
static_cast<llvm::support::ulittle32_t>(std::time(nullptr));
- header.Flags =
- static_cast<llvm::support::ulittle64_t>(0u); // minidump normal flag
+ header.Flags = static_cast<llvm::support::ulittle64_t>(
+ llvm::minidump::Header::LLDB_HEADER_FLAG);
Status error;
size_t bytes_written;
diff --git a/lldb/source/Plugins/Process/minidump/MinidumpParser.cpp b/lldb/source/Plugins/Process/minidump/MinidumpParser.cpp
index afc095ddbb2f91..6a328b3b841ed0 100644
--- a/lldb/source/Plugins/Process/minidump/MinidumpParser.cpp
+++ b/lldb/source/Plugins/Process/minidump/MinidumpParser.cpp
@@ -20,8 +20,8 @@
#include <algorithm>
#include <map>
#include <optional>
-#include <vector>
#include <utility>
+#include <vector>
using namespace lldb_private;
using namespace minidump;
@@ -45,6 +45,10 @@ llvm::ArrayRef<uint8_t> MinidumpParser::GetData() {
m_data_sp->GetByteSize());
}
+const llvm::minidump::Header *MinidumpParser::GetHeader() const {
+ return reinterpret_cast<llvm::minidump::Header *>(m_file.get());
+}
+
llvm::ArrayRef<uint8_t> MinidumpParser::GetStream(StreamType stream_type) {
return m_file->getRawStream(stream_type).value_or(llvm::ArrayRef<uint8_t>());
}
@@ -70,8 +74,7 @@ UUID MinidumpParser::GetModuleUUID(const minidump::Module *module) {
if (GetArchitecture().GetTriple().isOSBinFormatELF()) {
if (pdb70_uuid->Age != 0)
return UUID(pdb70_uuid, sizeof(*pdb70_uuid));
- return UUID(&pdb70_uuid->Uuid,
- sizeof(pdb70_uuid->Uuid));
+ return UUID(&pdb70_uuid->Uuid, sizeof(pdb70_uuid->Uuid));
}
return UUID(*pdb70_uuid);
} else if (cv_signature == CvSignature::ElfBuildId)
@@ -453,10 +456,12 @@ MinidumpParser::FindMemoryRange(lldb::addr_t addr) {
if (!GetStream(StreamType::Memory64List).empty()) {
llvm::Error err = llvm::Error::success();
- for (const auto &memory_desc : GetMinidumpFile().getMemory64List(err)) {
- if (memory_desc.first.StartOfMemoryRange <= addr
- && addr < memory_desc.first.StartOfMemoryRange + memory_desc.first.DataSize) {
- return minidump::Range(memory_desc.first.StartOfMemoryRange, memory_desc.second);
+ for (const auto &memory_desc : GetMinidumpFile().getMemory64List(err)) {
+ if (memory_desc.first.StartOfMemoryRange <= addr &&
+ addr < memory_desc.first.StartOfMemoryRange +
+ memory_desc.first.DataSize) {
+ return minidump::Range(memory_desc.first.StartOfMemoryRange,
+ memory_desc.second);
}
}
@@ -490,7 +495,8 @@ llvm::ArrayRef<uint8_t> MinidumpParser::GetMemory(lldb::addr_t addr,
return range->range_ref.slice(offset, overlap);
}
-llvm::iterator_range<FallibleMemory64Iterator> MinidumpParser::GetMemory64Iterator(llvm::Error &err) {
+llvm::iterator_range<FallibleMemory64Iterator>
+MinidumpParser::GetMemory64Iterator(llvm::Error &err) {
llvm::ErrorAsOutParameter ErrAsOutParam(&err);
return m_file->getMemory64List(err);
}
@@ -602,8 +608,7 @@ std::pair<MemoryRegionInfos, bool> MinidumpParser::BuildMemoryRegions() {
case StreamType::ST: \
return #ST
-llvm::StringRef
-MinidumpParser::GetStreamTypeAsString(StreamType stream_type) {
+llvm::StringRef MinidumpParser::GetStreamTypeAsString(StreamType stream_type) {
switch (stream_type) {
ENUM_TO_CSTR(Unused);
ENUM_TO_CSTR(ThreadList);
diff --git a/lldb/source/Plugins/Process/minidump/MinidumpParser.h b/lldb/source/Plugins/Process/minidump/MinidumpParser.h
index f0b6e6027c52f0..e13065264668c2 100644
--- a/lldb/source/Plugins/Process/minidump/MinidumpParser.h
+++ b/lldb/source/Plugins/Process/minidump/MinidumpParser.h
@@ -47,7 +47,8 @@ struct Range {
}
};
-using FallibleMemory64Iterator = llvm::object::MinidumpFile::FallibleMemory64Iterator;
+using FallibleMemory64Iterator =
+ llvm::object::MinidumpFile::FallibleMemory64Iterator;
using ExceptionStreamsIterator =
llvm::object::MinidumpFile::ExceptionStreamsIterator;
@@ -56,6 +57,8 @@ class MinidumpParser {
static llvm::Expected<MinidumpParser>
Create(const lldb::DataBufferSP &data_buf_sp);
+ const llvm::minidump::Header *GetHeader() const;
+
llvm::ArrayRef<uint8_t> GetData();
llvm::ArrayRef<uint8_t> GetStream(StreamType stream_type);
@@ -96,7 +99,8 @@ class MinidumpParser {
/// complete (includes all regions mapped into the process memory).
std::pair<MemoryRegionInfos, bool> BuildMemoryRegions();
- llvm::iterator_range<FallibleMemory64Iterator> GetMemory64Iterator(llvm::Error &err);
+ llvm::iterator_range<FallibleMemory64Iterator>
+ GetMemory64Iterator(llvm::Error &err);
static llvm::StringRef GetStreamTypeAsString(StreamType stream_type);
diff --git a/lldb/source/Plugins/Process/minidump/ProcessMinidump.cpp b/lldb/source/Plugins/Process/minidump/ProcessMinidump.cpp
index 5b0df72130c161..e03e91887781d8 100644
--- a/lldb/source/Plugins/Process/minidump/ProcessMinidump.cpp
+++ b/lldb/source/Plugins/Process/minidump/ProcessMinidump.cpp
@@ -138,7 +138,8 @@ lldb::ProcessSP ProcessMinidump::CreateInstance(lldb::TargetSP target_sp,
return nullptr;
lldbassert(DataPtr->GetByteSize() == header_size);
- if (identify_magic(toStringRef(DataPtr->GetData())) != llvm::file_magic::minidump)
+ if (identify_magic(toStringRef(DataPtr->GetData())) !=
+ llvm::file_magic::minidump)
return nullptr;
auto AllData =
@@ -344,6 +345,23 @@ ArchSpec ProcessMinidump::GetArchitecture() {
return ArchSpec(triple);
}
+bool ProcessMinidump::IsLLDBMinidump() const {
+ const llvm::minidump::Header *header = m_minidump_parser->GetHeader();
+ if (!header)
+ return false;
+ return (header->Flags & llvm::minidump::Header::LLDB_HEADER_FLAG) == 0;
+}
+
+DynamicLoader *ProcessMinidump::GetDynamicLoader() {
+ // This is a workaround for the dynamic loader not playing nice in issue
+ // #119598. The specific reason we use the dynamic loader is to get the TLS
+ // info sections, which we can assume are not being written to the minidump
+ // unless it's an LLDB generate minidump.
+ if (IsLLDBMinidump())
+ return PostMortemProcess::GetDynamicLoader();
+ return nullptr;
+}
+
DataExtractor ProcessMinidump::GetAuxvData() {
std::optional<llvm::ArrayRef<uint8_t>> auxv =
m_minidump_parser->GetStream(StreamType::LinuxAuxv);
@@ -487,8 +505,8 @@ void ProcessMinidump::ReadModuleList() {
Log *log = GetLog(LLDBLog::DynamicLoader);
for (auto module : filtered_modules) {
- std::string name = cantFail(m_minidump_parser->GetMinidumpFile().getString(
- module->ModuleNameRVA));
+ std::string name = cantFail(
+ m_minidump_parser->GetMinidumpFile().getString(module->ModuleNameRVA));
const uint64_t load_addr = module->BaseOfImage;
const uint64_t load_size = module->SizeOfImage;
LLDB_LOG(log, "found module: name: {0} {1:x10}-{2:x10} size: {3}", name,
@@ -507,8 +525,8 @@ void ProcessMinidump::ReadModuleList() {
Status error;
// Try and find a module with a full UUID that matches. This function will
// add the module to the target if it finds one.
- lldb::ModuleSP module_sp = GetTarget().GetOrCreateModule(module_spec,
- true /* notify */, &error);
+ lldb::ModuleSP module_sp =
+ GetTarget().GetOrCreateModule(module_spec, true /* notify */, &error);
if (module_sp) {
LLDB_LOG(log, "Full uuid match for {0}.", name);
} else {
@@ -532,9 +550,8 @@ void ProcessMinidump::ReadModuleList() {
// we don't then we will end up setting the load address of a different
// ObjectFilePlaceholder and an assertion will fire.
auto *objfile = module_sp->GetObjectFile();
- if (objfile &&
- objfile->GetPluginName() ==
- ObjectFilePlaceholder::GetPluginNameStatic()) {
+ if (objfile && objfile->GetPluginName() ==
+ ObjectFilePlaceholder::GetPluginNameStatic()) {
if (((ObjectFilePlaceholder *)objfile)->GetBaseImageAddress() !=
load_addr)
module_sp.reset();
@@ -564,8 +581,7 @@ void ProcessMinidump::ReadModuleList() {
}
bool load_addr_changed = false;
- module_sp->SetLoadAddress(GetTarget(), load_addr, false,
- load_addr_changed);
+ module_sp->SetLoadAddress(GetTarget(), load_addr, false, load_addr_changed);
}
}
@@ -593,10 +609,10 @@ JITLoaderList &ProcessMinidump::GetJITLoaders() {
return *m_jit_loaders_up;
}
-#define INIT_BOOL(VAR, LONG, SHORT, DESC) \
- VAR(LLDB_OPT_SET_1, false, LONG, SHORT, DESC, false, true)
-#define APPEND_OPT(VAR) \
- m_option_group.Append(&VAR, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1)
+#define INIT_BOOL(VAR, LONG, SHORT, DESC) \
+ VAR(LLDB_OPT_SET_1, false, LONG, SHORT, DESC, false, true)
+#define APPEND_OPT(VAR) \
+ m_option_group.Append(&VAR, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1)
class CommandObjectProcessMinidumpDump : public CommandObjectParsed {
private:
@@ -657,55 +673,50 @@ class CommandObjectProcessMinidumpDump : public CommandObjectParsed {
// If no options were set, then dump everything
m_dump_all.GetOptionValue().SetCurrentValue(true);
}
- bool DumpAll() const {
- return m_dump_all.GetOptionValue().GetCurrentValue();
- }
+ bool DumpAll() const { return m_dump_all.GetOptionValue().GetCurrentValue(); }
bool DumpDirectory() const {
- return DumpAll() ||
- m_dump_directory.GetOptionValue().GetCurrentValue();
+ return DumpAll() || m_dump_directory.GetOptionValue().GetCurrentValue();
}
bool DumpLinux() const {
return DumpAll() || m_dump_linux_all.GetOptionValue().GetCurrentValue();
}
bool DumpLinuxCPUInfo() const {
return DumpLinux() ||
- m_dump_linux_cpuinfo.GetOptionValue().GetCurrentValue();
+ m_dump_linux_cpuinfo.GetOptionValue().GetCurrentValue();
}
bool DumpLinuxProcStatus() const {
return DumpLinux() ||
- m_dump_linux_proc_status.GetOptionValue().GetCurrentValue();
+ m_dump_linux_proc_status.GetOptionValue().GetCurrentValue();
}
bool DumpLinuxProcStat() const {
return DumpLinux() ||
- m_dump_linux_proc_stat.GetOptionValue().GetCurrentValue();
+ m_dump_linux_proc_stat.GetOptionValue().GetCurrentValue();
}
bool DumpLinuxLSBRelease() const {
return DumpLinux() ||
- m_dump_linux_lsb_release.GetOptionValue().GetCurrentValue();
+ m_dump_linux_lsb_release.GetOptionValue().GetCurrentValue();
}
bool DumpLinuxCMDLine() const {
return DumpLinux() ||
- m_dump_linux_cmdline.GetOptionValue().GetCurrentValue();
+ m_dump_linux_cmdline.GetOptionValue().GetCurrentValue();
}
bool DumpLinuxEnviron() const {
return DumpLinux() ||
- m_dump_linux_environ.GetOptionValue().GetCurrentValue();
+ m_dump_linux_environ.GetOptionValue().GetCurrentValue();
}
bool DumpLinuxAuxv() const {
- return DumpLinux() ||
- m_dump_linux_auxv.GetOptionValue().GetCurrentValue();
+ return DumpLinux() || m_dump_linux_auxv.GetOptionValue().GetCurrentValue();
}
bool DumpLinuxMaps() const {
- return DumpLinux() ||
- m_dump_linux_maps.GetOptionValue().GetCurrentValue();
+ return DumpLinux() || m_dump_linux_maps.GetOptionValue().GetCurrentValue();
}
bool DumpLinuxProcUptime() const {
return DumpLinux() ||
- m_dump_linux_proc_uptime.GetOptionValue().GetCurrentValue();
+ m_dump_linux_proc_uptime.GetOptionValue().GetCurrentValue();
}
bool DumpLinuxProcFD() const {
return DumpLinux() ||
- m_dump_linux_proc_fd.GetOptionValue().GetCurrentValue();
+ m_dump_linux_proc_fd.GetOptionValue().GetCurrentValue();
}
bool DumpFacebook() const {
return DumpAll() || m_fb_all.GetOptionValue().GetCurrentValue();
@@ -743,60 +754,59 @@ class CommandObjectProcessMinidumpDump : public CommandObjectParsed {
bool DumpFacebookLogcat() const {
return DumpFacebook() || m_fb_logcat.GetOptionValue().GetCurrentValue();
}
+
public:
CommandObjectProcessMinidumpDump(CommandInterpreter &interpreter)
- : CommandObjectParsed(interpreter, "process plugin dump",
- "Dump information from the minidump file.", nullptr),
- m_option_group(),
- INIT_BOOL(m_dump_all, "all", 'a',
- "Dump the everything in the minidump."),
- INIT_BOOL(m_dump_directory, "directory", 'd',
- "Dump the minidump directory map."),
- INIT_BOOL(m_dump_linux_cpuinfo, "cpuinfo", 'C',
- "Dump linux /proc/cpuinfo."),
- INIT_BOOL(m_dump_linux_proc_status, "status", 's',
- "Dump linux /proc/<pid>/status."),
- INIT_BOOL(m_dump_linux_lsb_release, "lsb-release", 'r',
- "Dump linux /etc/lsb-release."),
- INIT_BOOL(m_dump_linux_cmdline, "cmdline", 'c',
- "Dump linux /proc/<pid>/cmdline."),
- INIT_BOOL(m_dump_linux_environ, "environ", 'e',
- "Dump linux /proc/<pid>/environ."),
- INIT_BOOL(m_dump_linux_auxv, "auxv", 'x',
- "Dump linux /proc/<pid>/auxv."),
- INIT_BOOL(m_dump_linux_maps, "maps", 'm',
- "Dump linux /proc/<pid>/maps."),
- INIT_BOOL(m_dump_linux_proc_stat, "stat", 'S',
- "Dump linux /proc/<pid>/stat."),
- INIT_BOOL(m_dump_linux_proc_uptime, "uptime", 'u',
- "Dump linux process uptime."),
- INIT_BOOL(m_dump_linux_proc_fd, "fd", 'f',
- "Dump linux /proc/<pid>/fd."),
- INIT_BOOL(m_dump_linux_all, "linux", 'l',
- "Dump all linux streams."),
- INIT_BOOL(m_fb_app_data, "fb-app-data", 1,
- "Dump Facebook application custom data."),
- INIT_BOOL(m_fb_build_id, "fb-build-id", 2,
- "Dump the Facebook build ID."),
- INIT_BOOL(m_fb_version, "fb-version", 3,
- "Dump Facebook application version string."),
- INIT_BOOL(m_fb_java_stack, "fb-java-stack", 4,
- "Dump Facebook java stack."),
- INIT_BOOL(m_fb_dalvik, "fb-dalvik-info", 5,
- "Dump Facebook Dalvik info."),
- INIT_BOOL(m_fb_unwind, "fb-unwind-symbols", 6,
- "Dump Facebook unwind symbols."),
- INIT_BOOL(m_fb_error_log, "fb-error-log", 7,
- "Dump Facebook error log."),
- INIT_BOOL(m_fb_app_state, "fb-app-state-log", 8,
- "Dump Facebook java stack."),
- INIT_BOOL(m_fb_abort, "fb-abort-reason", 9,
- "Dump Facebook abort reason."),
- INIT_BOOL(m_fb_thread, "fb-thread-name", 10,
- "Dump Facebook thread name."),
- INIT_BOOL(m_fb_logcat, "fb-logcat", 11,
- "Dump Facebook logcat."),
- INIT_BOOL(m_fb_all, "facebook", 12, "Dump all Facebook streams.") {
+ : CommandObjectParsed(interpreter, "process plugin dump",
+ "Dump information from the minidump file.",
+ nullptr),
+ m_option_group(), INIT_BOOL(m_dump_all, "all", 'a',
+ "Dump the everything in the minidump."),
+ INIT_BOOL(m_dump_directory, "directory", 'd',
+ "Dump the minidump directory map."),
+ INIT_BOOL(m_dump_linux_cpuinfo, "cpuinfo", 'C',
+ "Dump linux /proc/cpuinfo."),
+ INIT_BOOL(m_dump_linux_proc_status, "status", 's',
+ "Dump linux /proc/<pid>/status."),
+ INIT_BOOL(m_dump_linux_lsb_release, "lsb-release", 'r',
+ "Dump linux /etc/lsb-release."),
+ INIT_BOOL(m_dump_linux_cmdline, "cmdline", 'c',
+ "Dump linux /proc/<pid>/cmdline."),
+ INIT_BOOL(m_dump_linux_environ, "environ", 'e',
+ "Dump linux /proc/<pid>/environ."),
+ INIT_BOOL(m_dump_linux_auxv, "auxv", 'x',
+ "Dump linux /proc/<pid>/auxv."),
+ INIT_BOOL(m_dump_linux_maps, "maps", 'm',
+ "Dump linux /proc/<pid>/maps."),
+ INIT_BOOL(m_dump_linux_proc_stat, "stat", 'S',
+ "Dump linux /proc/<pid>/stat."),
+ INIT_BOOL(m_dump_linux_proc_uptime, "uptime", 'u',
+ "Dump linux process uptime."),
+ INIT_BOOL(m_dump_linux_proc_fd, "fd", 'f',
+ "Dump linux /proc/<pid>/fd."),
+ INIT_BOOL(m_dump_linux_all, "linux", 'l', "Dump all linux streams."),
+ INIT_BOOL(m_fb_app_data, "fb-app-data", 1,
+ "Dump Facebook application custom data."),
+ INIT_BOOL(m_fb_build_id, "fb-build-id", 2,
+ "Dump the Facebook build ID."),
+ INIT_BOOL(m_fb_version, "fb-version", 3,
+ "Dump Facebook application version string."),
+ INIT_BOOL(m_fb_java_stack, "fb-java-stack", 4,
+ "Dump Facebook java stack."),
+ INIT_BOOL(m_fb_dalvik, "fb-dalvik-info", 5,
+ "Dump Facebook Dalvik info."),
+ INIT_BOOL(m_fb_unwind, "fb-unwind-symbols", 6,
+ "Dump Facebook unwind symbols."),
+ INIT_BOOL(m_fb_error_log, "fb-error-log", 7,
+ "Dump Facebook error log."),
+ INIT_BOOL(m_fb_app_state, "fb-app-state-log", 8,
+ "Dump Facebook java stack."),
+ INIT_BOOL(m_fb_abort, "fb-abort-reason", 9,
+ "Dump Facebook abort reason."),
+ INIT_BOOL(m_fb_thread, "fb-thread-name", 10,
+ "Dump Facebook thread name."),
+ INIT_BOOL(m_fb_logcat, "fb-logcat", 11, "Dump Facebook logcat."),
+ INIT_BOOL(m_fb_all, "facebook", 12, "Dump all Facebook streams.") {
APPEND_OPT(m_dump_all);
APPEND_OPT(m_dump_directory);
APPEND_OPT(m_dump_linux_cpuinfo);
@@ -899,8 +909,7 @@ class CommandObjectProcessMinidumpDump : public CommandObjectParsed {
if (DumpLinuxProcFD())
DumpTextStream(StreamType::LinuxProcFD, "/proc/PID/fd");
if (DumpFacebookAppData())
- DumpTextStream(StreamType::FacebookAppCustomData,
- "Facebook App Data");
+ DumpTextStream(StreamType::FacebookAppCustomData, "Facebook App Data");
if (DumpFacebookBuildID()) {
auto bytes = minidump.GetStream(StreamType::FacebookBuildID);
if (bytes.size() >= 4) {
@@ -917,26 +926,21 @@ class CommandObjectProcessMinidumpDump : public CommandObjectParsed {
DumpTextStream(StreamType::FacebookAppVersionName,
"Facebook Version String");
if (DumpFacebookJavaStack())
- DumpTextStream(StreamType::FacebookJavaStack,
- "Facebook Java Stack");
+ DumpTextStream(StreamType::FacebookJavaStack, "Facebook Java Stack");
if (DumpFacebookDalvikInfo())
- DumpTextStream(StreamType::FacebookDalvikInfo,
- "Facebook Dalvik Info");
+ DumpTextStream(StreamType::FacebookDalvikInfo, "Facebook Dalvik Info");
if (DumpFacebookUnwindSymbols())
DumpBinaryStream(StreamType::FacebookUnwindSymbols,
"Facebook Unwind Symbols Bytes");
if (DumpFacebookErrorLog())
- DumpTextStream(StreamType::FacebookDumpErrorLog,
- "Facebook Error Log");
+ DumpTextStream(StreamType::FacebookDumpErrorLog, "Facebook Error Log");
if (DumpFacebookAppStateLog())
DumpTextStream(StreamType::FacebookAppStateLog,
"Faceook Application State Log");
if (DumpFacebookAbortReason())
- DumpTextStream(StreamType::FacebookAbortReason,
- "Facebook Abort Reason");
+ DumpTextStream(StreamType::FacebookAbortReason, "Facebook Abort Reason");
if (DumpFacebookThreadName())
- DumpTextStream(StreamType::FacebookThreadName,
- "Facebook Thread Name");
+ DumpTextStream(StreamType::FacebookThreadName, "Facebook Thread Name");
if (DumpFacebookLogcat()...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/120166
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