diff options
| -rw-r--r-- | lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp b/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp index 93641ede1bc..a2b02d26d82 100644 --- a/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp +++ b/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp @@ -131,7 +131,8 @@ ProcessElfCore::AddAddressRangeFromLoadSegment(const elf::ELFProgramHeader *head VMRangeToFileOffset::Entry *last_entry = m_core_aranges.Back(); if (last_entry && last_entry->GetRangeEnd() == range_entry.GetRangeBase() && - last_entry->data.GetRangeEnd() == range_entry.data.GetRangeBase()) + last_entry->data.GetRangeEnd() == range_entry.data.GetRangeBase() && + last_entry->GetByteSize() == last_entry->data.GetByteSize()) { last_entry->SetRangeEnd (range_entry.GetRangeEnd()); last_entry->data.SetRangeEnd (range_entry.data.GetRangeEnd()); @@ -294,9 +295,13 @@ ProcessElfCore::DoReadMemory (lldb::addr_t addr, void *buf, size_t size, Error & size_t zero_fill_size = 0; // Padding lldb::addr_t bytes_left = 0; // Number of bytes available in the core file from the given address - if (file_end > offset) - bytes_left = file_end - offset; + // Figure out how many on-disk bytes remain in this segment + // starting at the given offset + if (file_end > file_start + offset) + bytes_left = file_end - (file_start + offset); + // Figure out how many bytes we need to zero-fill if we are + // reading more bytes than available in the on-disk segment if (bytes_to_read > bytes_left) { zero_fill_size = bytes_to_read - bytes_left; |
