svn commit: r311325 - in vendor/lldb/dist: cmake/modules lldb.xcodeproj packages/Python/lldbsuite/test/functionalities/postmortem/elf-core packages/Python/lldbsuite/test/functionalities/unwind/nore...
Dimitry Andric
dim at FreeBSD.org
Wed Jan 4 22:12:01 UTC 2017
Author: dim
Date: Wed Jan 4 22:11:59 2017
New Revision: 311325
URL: https://svnweb.freebsd.org/changeset/base/311325
Log:
Vendor import of lldb trunk r291012:
https://llvm.org/svn/llvm-project/lldb/trunk@291012
Modified:
vendor/lldb/dist/cmake/modules/AddLLDB.cmake
vendor/lldb/dist/lldb.xcodeproj/project.pbxproj
vendor/lldb/dist/packages/Python/lldbsuite/test/functionalities/postmortem/elf-core/TestLinuxCore.py
vendor/lldb/dist/packages/Python/lldbsuite/test/functionalities/unwind/noreturn/TestNoreturnUnwind.py
vendor/lldb/dist/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
vendor/lldb/dist/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h
vendor/lldb/dist/source/Plugins/Process/Linux/NativeProcessLinux.cpp
vendor/lldb/dist/source/Plugins/Process/Linux/NativeProcessLinux.h
vendor/lldb/dist/source/Plugins/Process/elf-core/ThreadElfCore.cpp
Modified: vendor/lldb/dist/cmake/modules/AddLLDB.cmake
==============================================================================
--- vendor/lldb/dist/cmake/modules/AddLLDB.cmake Wed Jan 4 22:11:54 2017 (r311324)
+++ vendor/lldb/dist/cmake/modules/AddLLDB.cmake Wed Jan 4 22:11:59 2017 (r311325)
@@ -141,7 +141,7 @@ function(add_lldb_executable name)
endif()
endif()
- if(ARG_GENERATE_INSTALL AND NOT ARG_INCLUDE_IN_FRAMEWORK)
+ if(ARG_GENERATE_INSTALL AND NOT (ARG_INCLUDE_IN_FRAMEWORK AND LLDB_BUILD_FRAMEWORK ))
install(TARGETS ${name}
COMPONENT ${name}
RUNTIME DESTINATION bin)
Modified: vendor/lldb/dist/lldb.xcodeproj/project.pbxproj
==============================================================================
--- vendor/lldb/dist/lldb.xcodeproj/project.pbxproj Wed Jan 4 22:11:54 2017 (r311324)
+++ vendor/lldb/dist/lldb.xcodeproj/project.pbxproj Wed Jan 4 22:11:59 2017 (r311325)
@@ -115,7 +115,6 @@
23DDF226196C3EE600BB8417 /* CommandOptionValidators.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23DDF224196C3EE600BB8417 /* CommandOptionValidators.cpp */; };
23E2E5251D90373D006F38BB /* ArchSpecTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23E2E5161D903689006F38BB /* ArchSpecTest.cpp */; };
23E2E5271D903782006F38BB /* MinidumpParserTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23E2E51A1D9036F2006F38BB /* MinidumpParserTest.cpp */; };
- 23E2E5291D9037D9006F38BB /* SymbolFilePDBTests.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23CB15141D66CF8700EDDDE1 /* SymbolFilePDBTests.cpp */; };
23E2E52B1D9037E6006F38BB /* ModuleCacheTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23CB15011D66CD8400EDDDE1 /* ModuleCacheTest.cpp */; };
23E2E5321D903832006F38BB /* BreakpointIDTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23E2E52D1D90382B006F38BB /* BreakpointIDTest.cpp */; };
23E2E5441D904913006F38BB /* MinidumpParser.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23E2E5371D9048FB006F38BB /* MinidumpParser.cpp */; };
@@ -6920,7 +6919,6 @@
23E2E5251D90373D006F38BB /* ArchSpecTest.cpp in Sources */,
AF248A4D1DA71C77000B814D /* TestArm64InstEmulation.cpp in Sources */,
23CB15371D66DA9300EDDDE1 /* PythonTestSuite.cpp in Sources */,
- 23E2E5291D9037D9006F38BB /* SymbolFilePDBTests.cpp in Sources */,
23E2E5321D903832006F38BB /* BreakpointIDTest.cpp in Sources */,
23CB15381D66DA9300EDDDE1 /* PythonExceptionStateTests.cpp in Sources */,
23CB15391D66DA9300EDDDE1 /* DataExtractorTest.cpp in Sources */,
Modified: vendor/lldb/dist/packages/Python/lldbsuite/test/functionalities/postmortem/elf-core/TestLinuxCore.py
==============================================================================
--- vendor/lldb/dist/packages/Python/lldbsuite/test/functionalities/postmortem/elf-core/TestLinuxCore.py Wed Jan 4 22:11:54 2017 (r311324)
+++ vendor/lldb/dist/packages/Python/lldbsuite/test/functionalities/postmortem/elf-core/TestLinuxCore.py Wed Jan 4 22:11:59 2017 (r311325)
@@ -26,6 +26,14 @@ class LinuxCoreTestCase(TestBase):
_x86_64_regions = 5
_s390x_regions = 2
+ def setUp(self):
+ super(LinuxCoreTestCase, self).setUp()
+ self._initial_platform = lldb.DBG.GetSelectedPlatform()
+
+ def tearDown(self):
+ lldb.DBG.SetSelectedPlatform(self._initial_platform)
+ super(LinuxCoreTestCase, self).tearDown()
+
@skipIf(oslist=['windows'])
@skipIf(triple='^mips')
def test_i386(self):
@@ -38,9 +46,7 @@ class LinuxCoreTestCase(TestBase):
"""Test that lldb can read the process information from an x86_64 linux core file."""
self.do_test("linux-x86_64", self._x86_64_pid, self._x86_64_regions)
- # This seems to hang on non-s390x platforms for some reason. Disabling
- # for now.
- @skipIf(archs=no_match(['s390x']))
+ @skipIf(oslist=['windows'])
@skipIf(triple='^mips')
def test_s390x(self):
"""Test that lldb can read the process information from an s390x linux core file."""
Modified: vendor/lldb/dist/packages/Python/lldbsuite/test/functionalities/unwind/noreturn/TestNoreturnUnwind.py
==============================================================================
--- vendor/lldb/dist/packages/Python/lldbsuite/test/functionalities/unwind/noreturn/TestNoreturnUnwind.py Wed Jan 4 22:11:54 2017 (r311324)
+++ vendor/lldb/dist/packages/Python/lldbsuite/test/functionalities/unwind/noreturn/TestNoreturnUnwind.py Wed Jan 4 22:11:59 2017 (r311325)
@@ -18,6 +18,7 @@ class NoreturnUnwind(TestBase):
@skipIfWindows # clang-cl does not support gcc style attributes.
@expectedFailureAndroid(bugnumber="llvm.org/pr31192", archs=["x86_64"])
+ @expectedFailureAll(bugnumber="llvm.org/pr31192", oslist=['linux'], compiler="gcc", archs=['arm'])
def test(self):
"""Test that we can backtrace correctly with 'noreturn' functions on the stack"""
self.build()
Modified: vendor/lldb/dist/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
==============================================================================
--- vendor/lldb/dist/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp Wed Jan 4 22:11:54 2017 (r311324)
+++ vendor/lldb/dist/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp Wed Jan 4 22:11:59 2017 (r311325)
@@ -2854,6 +2854,11 @@ bool RenderScriptRuntime::LoadModule(con
module_desc.reset(new RSModuleDescriptor(module_sp));
if (module_desc->ParseRSInfo()) {
m_rsmodules.push_back(module_desc);
+ module_desc->WarnIfVersionMismatch(GetProcess()
+ ->GetTarget()
+ .GetDebugger()
+ .GetAsyncOutputStream()
+ .get());
module_loaded = true;
}
if (module_loaded) {
@@ -2923,6 +2928,25 @@ void RenderScriptRuntime::Update() {
}
}
+void RSModuleDescriptor::WarnIfVersionMismatch(lldb_private::Stream *s) const {
+ if (!s)
+ return;
+
+ if (m_slang_version.empty() || m_bcc_version.empty()) {
+ s->PutCString("WARNING: Unknown bcc or slang (llvm-rs-cc) version; debug "
+ "experience may be unreliable");
+ s->EOL();
+ } else if (m_slang_version != m_bcc_version) {
+ s->Printf("WARNING: The debug info emitted by the slang frontend "
+ "(llvm-rs-cc) used to build this module (%s) does not match the "
+ "version of bcc used to generate the debug information (%s). "
+ "This is an unsupported configuration and may result in a poor "
+ "debugging experience; proceed with caution",
+ m_slang_version.c_str(), m_bcc_version.c_str());
+ s->EOL();
+ }
+}
+
bool RSModuleDescriptor::ParsePragmaCount(llvm::StringRef *lines,
size_t n_lines) {
// Skip the pragma prototype line
@@ -2990,6 +3014,22 @@ bool RSModuleDescriptor::ParseExportRedu
return true;
}
+bool RSModuleDescriptor::ParseVersionInfo(llvm::StringRef *lines,
+ size_t n_lines) {
+ // Skip the versionInfo line
+ ++lines;
+ for (; n_lines--; ++lines) {
+ // We're only interested in bcc and slang versions, and ignore all other
+ // versionInfo lines
+ const auto kv_pair = lines->split(" - ");
+ if (kv_pair.first == "slang")
+ m_slang_version = kv_pair.second.str();
+ else if (kv_pair.first == "bcc")
+ m_bcc_version = kv_pair.second.str();
+ }
+ return true;
+}
+
bool RSModuleDescriptor::ParseExportForeachCount(llvm::StringRef *lines,
size_t n_lines) {
// Skip the exportForeachCount line
@@ -3054,7 +3094,8 @@ bool RSModuleDescriptor::ParseRSInfo() {
eExportReduce,
ePragma,
eBuildChecksum,
- eObjectSlot
+ eObjectSlot,
+ eVersionInfo,
};
const auto rs_info_handler = [](llvm::StringRef name) -> int {
@@ -3070,6 +3111,7 @@ bool RSModuleDescriptor::ParseRSInfo() {
// script
.Case("pragmaCount", ePragma)
.Case("objectSlotCount", eObjectSlot)
+ .Case("versionInfo", eVersionInfo)
.Default(-1);
};
@@ -3108,6 +3150,9 @@ bool RSModuleDescriptor::ParseRSInfo() {
case ePragma:
success = ParsePragmaCount(line, n_lines);
break;
+ case eVersionInfo:
+ success = ParseVersionInfo(line, n_lines);
+ break;
default: {
if (log)
log->Printf("%s - skipping .rs.info field '%s'", __FUNCTION__,
Modified: vendor/lldb/dist/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h
==============================================================================
--- vendor/lldb/dist/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h Wed Jan 4 22:11:54 2017 (r311324)
+++ vendor/lldb/dist/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h Wed Jan 4 22:11:59 2017 (r311325)
@@ -203,6 +203,11 @@ struct RSReductionDescriptor {
};
class RSModuleDescriptor {
+ std::string m_slang_version;
+ std::string m_bcc_version;
+
+ bool ParseVersionInfo(llvm::StringRef *, size_t n_lines);
+
bool ParseExportForeachCount(llvm::StringRef *, size_t n_lines);
bool ParseExportVarCount(llvm::StringRef *, size_t n_lines);
@@ -222,6 +227,8 @@ public:
void Dump(Stream &strm) const;
+ void WarnIfVersionMismatch(Stream *s) const;
+
const lldb::ModuleSP m_module;
std::vector<RSKernelDescriptor> m_kernels;
std::vector<RSGlobalDescriptor> m_globals;
Modified: vendor/lldb/dist/source/Plugins/Process/Linux/NativeProcessLinux.cpp
==============================================================================
--- vendor/lldb/dist/source/Plugins/Process/Linux/NativeProcessLinux.cpp Wed Jan 4 22:11:54 2017 (r311324)
+++ vendor/lldb/dist/source/Plugins/Process/Linux/NativeProcessLinux.cpp Wed Jan 4 22:11:59 2017 (r311325)
@@ -1689,68 +1689,14 @@ Error NativeProcessLinux::GetMemoryRegio
// Assume proc maps entries are in ascending order.
// FIXME assert if we find differently.
- Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
- Error error;
-
if (m_supports_mem_region == LazyBool::eLazyBoolNo) {
// We're done.
- error.SetErrorString("unsupported");
- return error;
+ return Error("unsupported");
}
- // If our cache is empty, pull the latest. There should always be at least
- // one memory region
- // if memory region handling is supported.
- if (m_mem_region_cache.empty()) {
- error = ProcFileReader::ProcessLineByLine(
- GetID(), "maps", [&](const std::string &line) -> bool {
- MemoryRegionInfo info;
- const Error parse_error =
- ParseMemoryRegionInfoFromProcMapsLine(line, info);
- if (parse_error.Success()) {
- m_mem_region_cache.push_back(info);
- return true;
- } else {
- if (log)
- log->Printf("NativeProcessLinux::%s failed to parse proc maps "
- "line '%s': %s",
- __FUNCTION__, line.c_str(), error.AsCString());
- return false;
- }
- });
-
- // If we had an error, we'll mark unsupported.
- if (error.Fail()) {
- m_supports_mem_region = LazyBool::eLazyBoolNo;
- return error;
- } else if (m_mem_region_cache.empty()) {
- // No entries after attempting to read them. This shouldn't happen if
- // /proc/{pid}/maps
- // is supported. Assume we don't support map entries via procfs.
- if (log)
- log->Printf("NativeProcessLinux::%s failed to find any procfs maps "
- "entries, assuming no support for memory region metadata "
- "retrieval",
- __FUNCTION__);
- m_supports_mem_region = LazyBool::eLazyBoolNo;
- error.SetErrorString("not supported");
- return error;
- }
-
- if (log)
- log->Printf("NativeProcessLinux::%s read %" PRIu64
- " memory region entries from /proc/%" PRIu64 "/maps",
- __FUNCTION__,
- static_cast<uint64_t>(m_mem_region_cache.size()), GetID());
-
- // We support memory retrieval, remember that.
- m_supports_mem_region = LazyBool::eLazyBoolYes;
- } else {
- if (log)
- log->Printf("NativeProcessLinux::%s reusing %" PRIu64
- " cached memory region entries",
- __FUNCTION__,
- static_cast<uint64_t>(m_mem_region_cache.size()));
+ Error error = PopulateMemoryRegionCache();
+ if (error.Fail()) {
+ return error;
}
lldb::addr_t prev_base_address = 0;
@@ -1760,7 +1706,7 @@ Error NativeProcessLinux::GetMemoryRegio
// There can be a ton of regions on pthreads apps with lots of threads.
for (auto it = m_mem_region_cache.begin(); it != m_mem_region_cache.end();
++it) {
- MemoryRegionInfo &proc_entry_info = *it;
+ MemoryRegionInfo &proc_entry_info = it->first;
// Sanity check assumption that /proc/{pid}/maps entries are ascending.
assert((proc_entry_info.GetRange().GetRangeBase() >= prev_base_address) &&
@@ -1803,6 +1749,67 @@ Error NativeProcessLinux::GetMemoryRegio
return error;
}
+Error NativeProcessLinux::PopulateMemoryRegionCache() {
+ Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ // If our cache is empty, pull the latest. There should always be at least
+ // one memory region if memory region handling is supported.
+ if (!m_mem_region_cache.empty()) {
+ if (log)
+ log->Printf("NativeProcessLinux::%s reusing %" PRIu64
+ " cached memory region entries",
+ __FUNCTION__,
+ static_cast<uint64_t>(m_mem_region_cache.size()));
+ return Error();
+ }
+
+ Error error = ProcFileReader::ProcessLineByLine(
+ GetID(), "maps", [&](const std::string &line) -> bool {
+ MemoryRegionInfo info;
+ const Error parse_error =
+ ParseMemoryRegionInfoFromProcMapsLine(line, info);
+ if (parse_error.Success()) {
+ m_mem_region_cache.emplace_back(
+ info, FileSpec(info.GetName().GetCString(), true));
+ return true;
+ } else {
+ if (log)
+ log->Printf("NativeProcessLinux::%s failed to parse proc maps "
+ "line '%s': %s",
+ __FUNCTION__, line.c_str(), parse_error.AsCString());
+ return false;
+ }
+ });
+
+ // If we had an error, we'll mark unsupported.
+ if (error.Fail()) {
+ m_supports_mem_region = LazyBool::eLazyBoolNo;
+ return error;
+ } else if (m_mem_region_cache.empty()) {
+ // No entries after attempting to read them. This shouldn't happen if
+ // /proc/{pid}/maps is supported. Assume we don't support map entries
+ // via procfs.
+ if (log)
+ log->Printf("NativeProcessLinux::%s failed to find any procfs maps "
+ "entries, assuming no support for memory region metadata "
+ "retrieval",
+ __FUNCTION__);
+ m_supports_mem_region = LazyBool::eLazyBoolNo;
+ error.SetErrorString("not supported");
+ return error;
+ }
+
+ if (log)
+ log->Printf("NativeProcessLinux::%s read %" PRIu64
+ " memory region entries from /proc/%" PRIu64 "/maps",
+ __FUNCTION__, static_cast<uint64_t>(m_mem_region_cache.size()),
+ GetID());
+
+ // We support memory retrieval, remember that.
+ m_supports_mem_region = LazyBool::eLazyBoolYes;
+ return Error();
+}
+
void NativeProcessLinux::DoStopIDBumped(uint32_t newBumpId) {
Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
if (log)
@@ -2463,60 +2470,38 @@ Error NativeProcessLinux::FixupBreakpoin
Error NativeProcessLinux::GetLoadedModuleFileSpec(const char *module_path,
FileSpec &file_spec) {
+ Error error = PopulateMemoryRegionCache();
+ if (error.Fail())
+ return error;
+
FileSpec module_file_spec(module_path, true);
- bool found = false;
file_spec.Clear();
- ProcFileReader::ProcessLineByLine(
- GetID(), "maps", [&](const std::string &line) {
- SmallVector<StringRef, 16> columns;
- StringRef(line).split(columns, " ", -1, false);
- if (columns.size() < 6)
- return true; // continue searching
-
- FileSpec this_file_spec(columns[5].str(), false);
- if (this_file_spec.GetFilename() != module_file_spec.GetFilename())
- return true; // continue searching
-
- file_spec = this_file_spec;
- found = true;
- return false; // we are done
- });
-
- if (!found)
- return Error("Module file (%s) not found in /proc/%" PRIu64 "/maps file!",
- module_file_spec.GetFilename().AsCString(), GetID());
-
- return Error();
+ for (const auto &it : m_mem_region_cache) {
+ if (it.second.GetFilename() == module_file_spec.GetFilename()) {
+ file_spec = it.second;
+ return Error();
+ }
+ }
+ return Error("Module file (%s) not found in /proc/%" PRIu64 "/maps file!",
+ module_file_spec.GetFilename().AsCString(), GetID());
}
Error NativeProcessLinux::GetFileLoadAddress(const llvm::StringRef &file_name,
lldb::addr_t &load_addr) {
load_addr = LLDB_INVALID_ADDRESS;
- Error error = ProcFileReader::ProcessLineByLine(
- GetID(), "maps", [&](const std::string &line) -> bool {
- StringRef maps_row(line);
-
- SmallVector<StringRef, 16> maps_columns;
- maps_row.split(maps_columns, StringRef(" "), -1, false);
-
- if (maps_columns.size() < 6) {
- // Return true to continue reading the proc file
- return true;
- }
-
- if (maps_columns[5] == file_name) {
- StringExtractor addr_extractor(maps_columns[0].str().c_str());
- load_addr = addr_extractor.GetHexMaxU64(false, LLDB_INVALID_ADDRESS);
-
- // Return false to stop reading the proc file further
- return false;
- }
+ Error error = PopulateMemoryRegionCache();
+ if (error.Fail())
+ return error;
- // Return true to continue reading the proc file
- return true;
- });
- return error;
+ FileSpec file(file_name, false);
+ for (const auto &it : m_mem_region_cache) {
+ if (it.second == file) {
+ load_addr = it.first.GetRange().GetRangeBase();
+ return Error();
+ }
+ }
+ return Error("No load address found for specified file.");
}
NativeThreadLinuxSP NativeProcessLinux::GetThreadByID(lldb::tid_t tid) {
Modified: vendor/lldb/dist/source/Plugins/Process/Linux/NativeProcessLinux.h
==============================================================================
--- vendor/lldb/dist/source/Plugins/Process/Linux/NativeProcessLinux.h Wed Jan 4 22:11:54 2017 (r311324)
+++ vendor/lldb/dist/source/Plugins/Process/Linux/NativeProcessLinux.h Wed Jan 4 22:11:59 2017 (r311325)
@@ -119,7 +119,7 @@ private:
ArchSpec m_arch;
LazyBool m_supports_mem_region;
- std::vector<MemoryRegionInfo> m_mem_region_cache;
+ std::vector<std::pair<MemoryRegionInfo, FileSpec>> m_mem_region_cache;
lldb::tid_t m_pending_notification_tid;
@@ -217,6 +217,8 @@ private:
void ThreadWasCreated(NativeThreadLinux &thread);
void SigchldHandler();
+
+ Error PopulateMemoryRegionCache();
};
} // namespace process_linux
Modified: vendor/lldb/dist/source/Plugins/Process/elf-core/ThreadElfCore.cpp
==============================================================================
--- vendor/lldb/dist/source/Plugins/Process/elf-core/ThreadElfCore.cpp Wed Jan 4 22:11:54 2017 (r311324)
+++ vendor/lldb/dist/source/Plugins/Process/elf-core/ThreadElfCore.cpp Wed Jan 4 22:11:59 2017 (r311325)
@@ -202,7 +202,6 @@ ELFLinuxPrStatus::ELFLinuxPrStatus() {
Error ELFLinuxPrStatus::Parse(DataExtractor &data, ArchSpec &arch) {
Error error;
- ByteOrder byteorder = data.GetByteOrder();
if (GetSize(arch) > data.GetByteSize()) {
error.SetErrorStringWithFormat(
"NT_PRSTATUS size should be %zu, but the remaining bytes are: %" PRIu64,
@@ -210,50 +209,36 @@ Error ELFLinuxPrStatus::Parse(DataExtrac
return error;
}
- switch (arch.GetCore()) {
- case ArchSpec::eCore_s390x_generic:
- case ArchSpec::eCore_x86_64_x86_64:
- data.ExtractBytes(0, sizeof(ELFLinuxPrStatus), byteorder, this);
- break;
- case ArchSpec::eCore_x86_32_i386:
- case ArchSpec::eCore_x86_32_i486: {
- // Parsing from a 32 bit ELF core file, and populating/reusing the structure
- // properly, because the struct is for the 64 bit version
- offset_t offset = 0;
- si_signo = data.GetU32(&offset);
- si_code = data.GetU32(&offset);
- si_errno = data.GetU32(&offset);
-
- pr_cursig = data.GetU16(&offset);
- offset += 2; // pad
-
- pr_sigpend = data.GetU32(&offset);
- pr_sighold = data.GetU32(&offset);
-
- pr_pid = data.GetU32(&offset);
- pr_ppid = data.GetU32(&offset);
- pr_pgrp = data.GetU32(&offset);
- pr_sid = data.GetU32(&offset);
-
- pr_utime.tv_sec = data.GetU32(&offset);
- pr_utime.tv_usec = data.GetU32(&offset);
-
- pr_stime.tv_sec = data.GetU32(&offset);
- pr_stime.tv_usec = data.GetU32(&offset);
+ // Read field by field to correctly account for endianess
+ // of both the core dump and the platform running lldb.
+ offset_t offset = 0;
+ si_signo = data.GetU32(&offset);
+ si_code = data.GetU32(&offset);
+ si_errno = data.GetU32(&offset);
+
+ pr_cursig = data.GetU16(&offset);
+ offset += 2; // pad
+
+ pr_sigpend = data.GetPointer(&offset);
+ pr_sighold = data.GetPointer(&offset);
+
+ pr_pid = data.GetU32(&offset);
+ pr_ppid = data.GetU32(&offset);
+ pr_pgrp = data.GetU32(&offset);
+ pr_sid = data.GetU32(&offset);
+
+ pr_utime.tv_sec = data.GetPointer(&offset);
+ pr_utime.tv_usec = data.GetPointer(&offset);
- pr_cutime.tv_sec = data.GetU32(&offset);
- pr_cutime.tv_usec = data.GetU32(&offset);
+ pr_stime.tv_sec = data.GetPointer(&offset);
+ pr_stime.tv_usec = data.GetPointer(&offset);
- pr_cstime.tv_sec = data.GetU32(&offset);
- pr_cstime.tv_usec = data.GetU32(&offset);
+ pr_cutime.tv_sec = data.GetPointer(&offset);
+ pr_cutime.tv_usec = data.GetPointer(&offset);
+
+ pr_cstime.tv_sec = data.GetPointer(&offset);
+ pr_cstime.tv_usec = data.GetPointer(&offset);
- break;
- }
- default:
- error.SetErrorStringWithFormat("ELFLinuxPrStatus::%s Unknown architecture",
- __FUNCTION__);
- break;
- }
return error;
}
@@ -274,48 +259,36 @@ Error ELFLinuxPrPsInfo::Parse(DataExtrac
GetSize(arch), data.GetByteSize());
return error;
}
+ size_t size = 0;
+ offset_t offset = 0;
- switch (arch.GetCore()) {
- case ArchSpec::eCore_s390x_generic:
- case ArchSpec::eCore_x86_64_x86_64:
- data.ExtractBytes(0, sizeof(ELFLinuxPrPsInfo), byteorder, this);
- break;
- case ArchSpec::eCore_x86_32_i386:
- case ArchSpec::eCore_x86_32_i486: {
- // Parsing from a 32 bit ELF core file, and populating/reusing the structure
- // properly, because the struct is for the 64 bit version
- size_t size = 0;
- offset_t offset = 0;
-
- pr_state = data.GetU8(&offset);
- pr_sname = data.GetU8(&offset);
- pr_zomb = data.GetU8(&offset);
- pr_nice = data.GetU8(&offset);
-
- pr_flag = data.GetU32(&offset);
- pr_uid = data.GetU16(&offset);
- pr_gid = data.GetU16(&offset);
-
- pr_pid = data.GetU32(&offset);
- pr_ppid = data.GetU32(&offset);
- pr_pgrp = data.GetU32(&offset);
- pr_sid = data.GetU32(&offset);
-
- size = 16;
- data.ExtractBytes(offset, size, byteorder, pr_fname);
- offset += size;
-
- size = 80;
- data.ExtractBytes(offset, size, byteorder, pr_psargs);
- offset += size;
-
- break;
- }
- default:
- error.SetErrorStringWithFormat("ELFLinuxPrPsInfo::%s Unknown architecture",
- __FUNCTION__);
- break;
- }
+ pr_state = data.GetU8(&offset);
+ pr_sname = data.GetU8(&offset);
+ pr_zomb = data.GetU8(&offset);
+ pr_nice = data.GetU8(&offset);
+ if (data.GetAddressByteSize() == 8) {
+ // Word align the next field on 64 bit.
+ offset += 4;
+ }
+
+ pr_flag = data.GetPointer(&offset);
+
+ // 16 bit on 32 bit platforms, 32 bit on 64 bit platforms
+ pr_uid = data.GetMaxU64(&offset, data.GetAddressByteSize() >> 1);
+ pr_gid = data.GetMaxU64(&offset, data.GetAddressByteSize() >> 1);
+
+ pr_pid = data.GetU32(&offset);
+ pr_ppid = data.GetU32(&offset);
+ pr_pgrp = data.GetU32(&offset);
+ pr_sid = data.GetU32(&offset);
+
+ size = 16;
+ data.ExtractBytes(offset, size, byteorder, pr_fname);
+ offset += size;
+
+ size = 80;
+ data.ExtractBytes(offset, size, byteorder, pr_psargs);
+ offset += size;
return error;
}
@@ -329,7 +302,6 @@ ELFLinuxSigInfo::ELFLinuxSigInfo() {
Error ELFLinuxSigInfo::Parse(DataExtractor &data, const ArchSpec &arch) {
Error error;
- ByteOrder byteorder = data.GetByteOrder();
if (GetSize(arch) > data.GetByteSize()) {
error.SetErrorStringWithFormat(
"NT_SIGINFO size should be %zu, but the remaining bytes are: %" PRIu64,
@@ -337,27 +309,12 @@ Error ELFLinuxSigInfo::Parse(DataExtract
return error;
}
- switch (arch.GetCore()) {
- case ArchSpec::eCore_x86_64_x86_64:
- data.ExtractBytes(0, sizeof(ELFLinuxPrStatus), byteorder, this);
- break;
- case ArchSpec::eCore_s390x_generic:
- case ArchSpec::eCore_x86_32_i386:
- case ArchSpec::eCore_x86_32_i486: {
- // Parsing from a 32 bit ELF core file, and populating/reusing the structure
- // properly, because the struct is for the 64 bit version
- offset_t offset = 0;
- si_signo = data.GetU32(&offset);
- si_code = data.GetU32(&offset);
- si_errno = data.GetU32(&offset);
-
- break;
- }
- default:
- error.SetErrorStringWithFormat("ELFLinuxSigInfo::%s Unknown architecture",
- __FUNCTION__);
- break;
- }
+ // Parsing from a 32 bit ELF core file, and populating/reusing the structure
+ // properly, because the struct is for the 64 bit version
+ offset_t offset = 0;
+ si_signo = data.GetU32(&offset);
+ si_code = data.GetU32(&offset);
+ si_errno = data.GetU32(&offset);
return error;
}
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