return ArchSpec(triple);
}
-void ProcessMinidump::BuildMemoryRegions() {
- if (m_memory_regions)
- return;
- m_memory_regions.emplace();
- bool is_complete;
- std::tie(*m_memory_regions, is_complete) =
- m_minidump_parser->BuildMemoryRegions();
- // TODO: Use loaded modules to complete the region list.
-}
-
-Status ProcessMinidump::GetMemoryRegionInfo(lldb::addr_t load_addr,
- MemoryRegionInfo ®ion) {
- BuildMemoryRegions();
- auto pos = llvm::upper_bound(*m_memory_regions, load_addr);
- if (pos != m_memory_regions->begin() &&
+static MemoryRegionInfo GetMemoryRegionInfo(const MemoryRegionInfos ®ions,
+ lldb::addr_t load_addr) {
+ MemoryRegionInfo region;
+ auto pos = llvm::upper_bound(regions, load_addr);
+ if (pos != regions.begin() &&
std::prev(pos)->GetRange().Contains(load_addr)) {
- region = *std::prev(pos);
- return Status();
+ return *std::prev(pos);
}
- if (pos == m_memory_regions->begin())
+ if (pos == regions.begin())
region.GetRange().SetRangeBase(0);
else
region.GetRange().SetRangeBase(std::prev(pos)->GetRange().GetRangeEnd());
- if (pos == m_memory_regions->end())
+ if (pos == regions.end())
region.GetRange().SetRangeEnd(UINT64_MAX);
else
region.GetRange().SetRangeEnd(pos->GetRange().GetRangeBase());
region.SetWritable(MemoryRegionInfo::eNo);
region.SetExecutable(MemoryRegionInfo::eNo);
region.SetMapped(MemoryRegionInfo::eNo);
+ return region;
+}
+
+void ProcessMinidump::BuildMemoryRegions() {
+ if (m_memory_regions)
+ return;
+ m_memory_regions.emplace();
+ bool is_complete;
+ std::tie(*m_memory_regions, is_complete) =
+ m_minidump_parser->BuildMemoryRegions();
+
+ if (is_complete)
+ return;
+
+ MemoryRegionInfos to_add;
+ ModuleList &modules = GetTarget().GetImages();
+ SectionLoadList &load_list = GetTarget().GetSectionLoadList();
+ modules.ForEach([&](const ModuleSP &module_sp) {
+ SectionList *sections = module_sp->GetSectionList();
+ for (size_t i = 0; i < sections->GetSize(); ++i) {
+ SectionSP section_sp = sections->GetSectionAtIndex(i);
+ addr_t load_addr = load_list.GetSectionLoadAddress(section_sp);
+ if (load_addr == LLDB_INVALID_ADDRESS)
+ continue;
+ MemoryRegionInfo::RangeType section_range(load_addr,
+ section_sp->GetByteSize());
+ MemoryRegionInfo region =
+ ::GetMemoryRegionInfo(*m_memory_regions, load_addr);
+ if (region.GetMapped() != MemoryRegionInfo::eYes &&
+ region.GetRange().GetRangeBase() <= section_range.GetRangeBase() &&
+ section_range.GetRangeEnd() <= region.GetRange().GetRangeEnd()) {
+ to_add.emplace_back();
+ to_add.back().GetRange() = section_range;
+ to_add.back().SetLLDBPermissions(section_sp->GetPermissions());
+ to_add.back().SetMapped(MemoryRegionInfo::eYes);
+ to_add.back().SetName(module_sp->GetFileSpec().GetPath().c_str());
+ }
+ }
+ return true;
+ });
+ m_memory_regions->insert(m_memory_regions->end(), to_add.begin(),
+ to_add.end());
+ llvm::sort(*m_memory_regions);
+}
+
+Status ProcessMinidump::GetMemoryRegionInfo(lldb::addr_t load_addr,
+ MemoryRegionInfo ®ion) {
+ BuildMemoryRegions();
+ region = ::GetMemoryRegionInfo(*m_memory_regions, load_addr);
return Status();
}
--- /dev/null
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_EXEC
+ Machine: EM_X86_64
+Sections:
+ - Name: .text
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
+ Address: 0x0000000000004000
+ AddressAlign: 0x0000000000001000
+ Size: 0xb0
+ - Name: .data
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_WRITE ]
+ Address: 0x0000000000005000
+ AddressAlign: 0x0000000000001000
+ Size: 0x42
+ - Name: .note.gnu.build-id
+ Type: SHT_NOTE
+ Flags: [ SHF_ALLOC ]
+ Address: 0x0000000000005042
+ AddressAlign: 0x0000000000000004
+ Content: 040000000800000003000000474E5500DEADBEEFBAADF00D
+ProgramHeaders:
+ - Type: PT_LOAD
+ Flags: [ PF_X, PF_R ]
+ VAddr: 0x4000
+ Align: 0x1000
+ Sections:
+ - Section: .text
+ - Type: PT_LOAD
+ Flags: [ PF_W, PF_R ]
+ VAddr: 0x5000
+ Align: 0x1000
+ Sections:
+ - Section: .data
+ - Section: .note.gnu.build-id
+...
--- /dev/null
+# Check that memory region parsing works correctly, with a particular emphasis
+# on the boundary conditions.
+
+# RUN: yaml2obj --docnum=1 %s > %t1.dmp
+# RUN: yaml2obj --docnum=2 %s > %t2.dmp
+# RUN: yaml2obj %S/Inputs/basic-elf.yaml >%T/memory-region-from-module.exe
+
+# RUN: %lldb -b -c %t1.dmp %T/memory-region-from-module.exe \
+# RUN: -o "memory region 0" -o "memory region 0x4000" \
+# RUN: -o "memory region 0x5000" -o "memory region 0x6000" \
+# RUN: | FileCheck --check-prefix=ALL --check-prefix=CHECK1 %s
+
+# RUN: %lldb -b -c %t2.dmp %T/memory-region-from-module.exe \
+# RUN: -o "memory region 0" -o "memory region 0x4000" \
+# RUN: -o "memory region 0x5000" -o "memory region 0x6000" \
+# RUN: | FileCheck --check-prefix=ALL --check-prefix=CHECK2 %s
+
+# ALL-LABEL: (lldb) memory region 0
+# ALL: [0x0000000000000000-0x0000000000004000) ---
+# ALL-LABEL: (lldb) memory region 0x4000
+# CHECK1: [0x0000000000004000-0x00000000000040b0) r-x {{.*}}memory-region-from-module.exe PT_LOAD[0]
+# TODO: This output does not give any indication that the region is only "potentially" writable.
+# CHECK2: [0x0000000000004000-0x0000000000004010) rwx
+# ALL-LABEL: (lldb) memory region 0x5000
+# ALL: [0x0000000000005000-0x000000000000505c) rw- {{.*}}memory-region-from-module.exe PT_LOAD[1]
+# ALL-LABEL: (lldb) memory region 0x6000
+# ALL: [0x000000000000505c-0xffffffffffffffff) ---
+
+--- !minidump
+Streams:
+ - Type: ModuleList
+ Modules:
+ - Base of Image: 0x0000000000004000
+ Size of Image: 0x00002000
+ Module Name: 'memory-region-from-module.exe'
+ CodeView Record: 4C457042DEADBEEFBAADF00D
+
+ - Type: SystemInfo
+ Processor Arch: AMD64
+ Platform ID: Linux
+ CPU:
+ Vendor ID: GenuineIntel
+ Version Info: 0x00000000
+ Feature Info: 0x00000000
+ - Type: LinuxProcStatus
+ Text: |
+ Name: memory-region-from-module.exe
+ State: t (tracing stop)
+ Tgid: 29939
+ Ngid: 0
+ Pid: 29939
+ PPid: 29370
+ TracerPid: 29940
+ Uid: 1001 1001 1001 1001
+ Gid: 1001 1001 1001 1001
+
+...
+
+--- !minidump
+Streams:
+ - Type: MemoryList
+ Memory Ranges:
+ - Start of Memory Range: 0x0000000000004000
+ Content: 30044000000000000000000000000000
+ - Type: ModuleList
+ Modules:
+ - Base of Image: 0x0000000000004000
+ Size of Image: 0x00002000
+ Module Name: 'memory-region-from-module.exe'
+ CodeView Record: 4C457042DEADBEEFBAADF00D
+
+ - Type: SystemInfo
+ Processor Arch: AMD64
+ Platform ID: Linux
+ CPU:
+ Vendor ID: GenuineIntel
+ Version Info: 0x00000000
+ Feature Info: 0x00000000
+ - Type: LinuxProcStatus
+ Text: |
+ Name: memory-region-from-module.exe
+ State: t (tracing stop)
+ Tgid: 29939
+ Ngid: 0
+ Pid: 29939
+ PPid: 29370
+ TracerPid: 29940
+ Uid: 1001 1001 1001 1001
+ Gid: 1001 1001 1001 1001
+
+...
--- /dev/null
+# RUN: yaml2obj --docnum=1 %s > %t.dmp
+# RUN: yaml2obj --docnum=2 %s > %t.exe
+# RUN: %lldb -c %t.dmp %t.exe \
+# RUN: -o "target symbols add %S/Inputs/unwind-via-raSearch.syms" \
+# RUN: -o "thread backtrace" -b | FileCheck %s
+
+# CHECK-LABEL: thread backtrace
+# CHECK: frame #0: 0x000b1092 unwind-via-stack-win.exe`many_pointer_args
+# CHECK: frame #1: 0x000b1079 unwind-via-stack-win.exe`call_many + 105
+# CHECK: frame #2: 0x000b1085 unwind-via-stack-win.exe`main + 5
+# CHECK: frame #3: 0x77278494 kernel32.dll
+# CHECK-NOT: frame
+
+--- !minidump
+Streams:
+ - Type: ThreadList
+ Threads:
+ - Thread Id: 0x0000290C
+ Priority Class: 0x00000020
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+ Processor Arch: X86
+ Platform ID: Win32NT
+ CPU:
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