unwindstack: add Memory::ReadPartially.
Add a way to read while allowing for partial reads.
Test: new tests added to libunwindstack_test, ran 32/64 on hikey960, sailfish
Test: ran unwind on hikey960/sailfish
Change-Id: I8b11d9230fcd3122148ef3f980863ac1404ad70a
diff --git a/libunwindstack/MapInfo.cpp b/libunwindstack/MapInfo.cpp
index 140d05a..6239c81 100644
--- a/libunwindstack/MapInfo.cpp
+++ b/libunwindstack/MapInfo.cpp
@@ -101,7 +101,7 @@
if (!(flags & PROT_READ)) {
return nullptr;
}
- return new MemoryRange(process_memory, start, end);
+ return new MemoryRange(process_memory, start, end - start, 0);
}
Elf* MapInfo::GetElf(const std::shared_ptr<Memory>& process_memory, bool init_gnu_debugdata) {