Implement ObjectFileELF::GetModuleSpecifications(), and add PlatformLinux code to deal with unknown arch properties.
CR: Greg Clayton
llvm-svn: 182065
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
index 73bbb11..ec3e184 100644
--- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
@@ -222,6 +222,18 @@
return NULL;
}
+bool
+ObjectFileELF::MagicBytesMatch (DataBufferSP& data_sp,
+ lldb::addr_t data_offset,
+ lldb::addr_t data_length)
+{
+ if (data_sp && data_sp->GetByteSize() > (llvm::ELF::EI_NIDENT + data_offset))
+ {
+ const uint8_t *magic = data_sp->GetBytes() + data_offset;
+ return ELFHeader::MagicBytesMatch(magic);
+ }
+ return false;
+}
size_t
ObjectFileELF::GetModuleSpecifications (const lldb_private::FileSpec& file,
@@ -231,7 +243,33 @@
lldb::offset_t length,
lldb_private::ModuleSpecList &specs)
{
- return 0;
+ const size_t initial_count = specs.GetSize();
+
+ if (ObjectFileELF::MagicBytesMatch(data_sp, 0, data_sp->GetByteSize()))
+ {
+ DataExtractor data;
+ data.SetData(data_sp);
+ elf::ELFHeader header;
+ if (header.Parse(data, &data_offset))
+ {
+ if (data_sp)
+ {
+ ModuleSpec spec;
+ spec.GetFileSpec() = file;
+ spec.GetArchitecture().SetArchitecture(eArchTypeELF,
+ header.e_machine,
+ LLDB_INVALID_CPUTYPE);
+ if (spec.GetArchitecture().IsValid())
+ {
+ // ObjectFileMachO adds the UUID here also, but that isn't in the elf header
+ // so we'd have to read the entire file in and calculate the md5sum.
+ // That'd be bad for this routine...
+ specs.Append(spec);
+ }
+ }
+ }
+ }
+ return specs.GetSize() - initial_count;
}
//------------------------------------------------------------------