tatyana-krasnukha updated this revision to Diff 178916.
tatyana-krasnukha added a comment.
Add a test
Repository:
rLLDB LLDB
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D55841/new/
https://reviews.llvm.org/D55841
Files:
packages/Python/lldbsuite/test/functionalities/postmortem/minidump-new/TestMiniDumpNew.py
packages/Python/lldbsuite/test/functionalities/postmortem/minidump-new/regions-linux-map.dmp
scripts/interface/SBMemoryRegionInfo.i
source/Plugins/Process/minidump/MinidumpParser.cpp
source/Plugins/Process/minidump/MinidumpParser.h
source/Plugins/Process/minidump/MinidumpTypes.cpp
source/Plugins/Process/minidump/ProcessMinidump.cpp
source/Plugins/Process/minidump/ProcessMinidump.h
Index: source/Plugins/Process/minidump/ProcessMinidump.h
===================================================================
--- source/Plugins/Process/minidump/ProcessMinidump.h
+++ source/Plugins/Process/minidump/ProcessMinidump.h
@@ -78,6 +78,9 @@
Status GetMemoryRegionInfo(lldb::addr_t load_addr,
MemoryRegionInfo &range_info) override;
+ Status GetMemoryRegions(
+ lldb_private::MemoryRegionInfos ®ion_list) override;
+
bool GetProcessInfo(ProcessInstanceInfo &info) override;
Status WillResume() override {
Index: source/Plugins/Process/minidump/ProcessMinidump.cpp
===================================================================
--- source/Plugins/Process/minidump/ProcessMinidump.cpp
+++ source/Plugins/Process/minidump/ProcessMinidump.cpp
@@ -288,6 +288,12 @@
return Status();
}
+Status ProcessMinidump::GetMemoryRegions(
+ lldb_private::MemoryRegionInfos ®ion_list) {
+ region_list = m_minidump_parser.GetMemoryRegions();
+ return Status();
+}
+
void ProcessMinidump::Clear() { Process::m_thread_list.Clear(); }
bool ProcessMinidump::UpdateThreadList(ThreadList &old_thread_list,
Index: source/Plugins/Process/minidump/MinidumpTypes.cpp
===================================================================
--- source/Plugins/Process/minidump/MinidumpTypes.cpp
+++ source/Plugins/Process/minidump/MinidumpTypes.cpp
@@ -242,6 +242,8 @@
return {};
std::vector<const MinidumpMemoryInfo *> result;
+ result.reserve(header->num_of_entries);
+
for (uint64_t i = 0; i < header->num_of_entries; ++i) {
result.push_back(reinterpret_cast<const MinidumpMemoryInfo *>(
data.data() + i * header->size_of_entry));
Index: source/Plugins/Process/minidump/MinidumpParser.h
===================================================================
--- source/Plugins/Process/minidump/MinidumpParser.h
+++ source/Plugins/Process/minidump/MinidumpParser.h
@@ -87,6 +87,8 @@
MemoryRegionInfo GetMemoryRegionInfo(lldb::addr_t load_addr);
+ const MemoryRegionInfos &GetMemoryRegions();
+
// Perform consistency checks and initialize internal data structures
Status Initialize();
Index: source/Plugins/Process/minidump/MinidumpParser.cpp
===================================================================
--- source/Plugins/Process/minidump/MinidumpParser.cpp
+++ source/Plugins/Process/minidump/MinidumpParser.cpp
@@ -537,6 +537,12 @@
MemoryRegionInfo
MinidumpParser::GetMemoryRegionInfo(lldb::addr_t load_addr) {
+ if (!m_parsed_regions)
+ GetMemoryRegions();
+ return FindMemoryRegion(load_addr);
+}
+
+const MemoryRegionInfos &MinidumpParser::GetMemoryRegions() {
if (!m_parsed_regions) {
m_parsed_regions = true;
// We haven't cached our memory regions yet we will create the region cache
@@ -552,7 +558,7 @@
CreateRegionsCacheFromMemory64List(*this, m_regions);
std::sort(m_regions.begin(), m_regions.end());
}
- return FindMemoryRegion(load_addr);
+ return m_regions;
}
Status MinidumpParser::Initialize() {
Index: scripts/interface/SBMemoryRegionInfo.i
===================================================================
--- scripts/interface/SBMemoryRegionInfo.i
+++ scripts/interface/SBMemoryRegionInfo.i
@@ -43,6 +43,9 @@
bool
IsMapped ();
+
+ const char *
+ GetName ();
bool
operator == (const lldb::SBMemoryRegionInfo &rhs) const;
Index: packages/Python/lldbsuite/test/functionalities/postmortem/minidump-new/TestMiniDumpNew.py
===================================================================
--- packages/Python/lldbsuite/test/functionalities/postmortem/minidump-new/TestMiniDumpNew.py
+++ packages/Python/lldbsuite/test/functionalities/postmortem/minidump-new/TestMiniDumpNew.py
@@ -418,3 +418,65 @@
frame = thread.GetFrameAtIndex(1)
value = frame.EvaluateExpression('x')
self.assertEqual(value.GetValueAsSigned(), 3)
+
+ def test_memory_regions_in_minidump(self):
+ """Test memory regions from a Minidump"""
+ # target create -c regions-linux-map.dmp
+ self.dbg.CreateTarget(None)
+ self.target = self.dbg.GetSelectedTarget()
+ self.process = self.target.LoadCore("regions-linux-map.dmp")
+ self.check_state()
+
+ regions_count = 19
+ region_info_list = self.process.GetMemoryRegions()
+ self.assertEqual(region_info_list.GetSize(), regions_count)
+
+ def check_region(index, start, end, read, write, execute, mapped, name):
+ region_info = lldb.SBMemoryRegionInfo()
+ self.assertTrue(
+ self.process.GetMemoryRegionInfo(start, region_info).Success())
+ self.assertEqual(start, region_info.GetRegionBase())
+ self.assertEqual(end, region_info.GetRegionEnd())
+ self.assertEqual(read, region_info.IsReadable())
+ self.assertEqual(write, region_info.IsWritable())
+ self.assertEqual(execute, region_info.IsExecutable())
+ self.assertEqual(mapped, region_info.IsMapped())
+ self.assertEqual(name, region_info.GetName())
+
+ # Ensure we have the same regions as SBMemoryRegionInfoList contains.
+ if index >= 0 and index < regions_count:
+ region_info_from_list = lldb.SBMemoryRegionInfo()
+ self.assertTrue(region_info_list.GetMemoryRegionAtIndex(
+ index, region_info_from_list))
+ self.assertEqual(region_info_from_list, region_info)
+
+ a = "/system/bin/app_process"
+ b = "/system/bin/linker"
+ c = "/system/lib/liblog.so"
+ d = "/system/lib/libc.so"
+ n = None
+ max_int = 0xffffffffffffffff
+
+ # Test address before the first entry comes back with nothing mapped up
+ # to first valid region info
+ check_region(-1, 0x00000000, 0x400d9000, False, False, False, False, n)
+ check_region( 0, 0x400d9000, 0x400db000, True, False, True, True, a)
+ check_region( 1, 0x400db000, 0x400dc000, True, False, False, True, a)
+ check_region( 2, 0x400dc000, 0x400dd000, True, True, False, True, n)
+ check_region( 3, 0x400dd000, 0x400ec000, True, False, True, True, b)
+ check_region( 4, 0x400ec000, 0x400ed000, True, False, False, True, n)
+ check_region( 5, 0x400ed000, 0x400ee000, True, False, False, True, b)
+ check_region( 6, 0x400ee000, 0x400ef000, True, True, False, True, b)
+ check_region( 7, 0x400ef000, 0x400fb000, True, True, False, True, n)
+ check_region( 8, 0x400fb000, 0x400fc000, True, False, True, True, c)
+ check_region( 9, 0x400fc000, 0x400fd000, True, True, True, True, c)
+ check_region(10, 0x400fd000, 0x400ff000, True, False, True, True, c)
+ check_region(11, 0x400ff000, 0x40100000, True, False, False, True, c)
+ check_region(12, 0x40100000, 0x40101000, True, True, False, True, c)
+ check_region(13, 0x40101000, 0x40122000, True, False, True, True, d)
+ check_region(14, 0x40122000, 0x40123000, True, True, True, True, d)
+ check_region(15, 0x40123000, 0x40167000, True, False, True, True, d)
+ check_region(16, 0x40167000, 0x40169000, True, False, False, True, d)
+ check_region(17, 0x40169000, 0x4016b000, True, True, False, True, d)
+ check_region(18, 0x4016b000, 0x40176000, True, True, False, True, n)
+ check_region(-1, 0x40176000, max_int, False, False, False, False, n)
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