This revision was automatically updated to reflect the committed changes.
Closed by commit rL258040: Unconditionally accept symbol sizes from elf
(authored by tberghammer).
Changed prior to commit:
http://reviews.llvm.org/D16186?vs=44981&id=45160#toc
Repository:
rL LLVM
http://reviews.llvm.org/D16186
Files:
lldb/trunk/include/lldb/Symbol/Symbol.h
lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
lldb/trunk/source/Symbol/Symbol.cpp
lldb/trunk/source/Symbol/Symtab.cpp
Index: lldb/trunk/source/Symbol/Symbol.cpp
===================================================================
--- lldb/trunk/source/Symbol/Symbol.cpp
+++ lldb/trunk/source/Symbol/Symbol.cpp
@@ -737,3 +737,10 @@
}
return false;
}
+
+bool
+Symbol::ContainsFileAddress (lldb::addr_t file_addr) const
+{
+ return m_addr_range.ContainsFileAddress(file_addr);
+}
+
Index: lldb/trunk/source/Symbol/Symtab.cpp
===================================================================
--- lldb/trunk/source/Symbol/Symtab.cpp
+++ lldb/trunk/source/Symbol/Symtab.cpp
@@ -971,9 +971,11 @@
if (end_section_file_addr > symbol_file_addr)
{
Symbol &symbol = m_symbols[entry.data];
-
- symbol.SetByteSize(end_section_file_addr - symbol_file_addr);
- symbol.SetSizeIsSynthesized(true);
+ if (!symbol.GetByteSizeIsValid())
+ {
+ symbol.SetByteSize(end_section_file_addr - symbol_file_addr);
+ symbol.SetSizeIsSynthesized(true);
+ }
}
}
}
@@ -1039,18 +1041,15 @@
return info.match_symbol;
}
- const size_t symbol_byte_size = info.match_symbol->GetByteSize();
-
- if (symbol_byte_size == 0)
+ if (!info.match_symbol->GetByteSizeIsValid())
{
- // We weren't able to find the size of the symbol so lets just go
- // with that match we found in our search...
+ // The matched symbol dosn't have a valid byte size so lets just go with that match...
return info.match_symbol;
}
// We were able to figure out a symbol size so lets make sure our
// offset puts "file_addr" in the symbol's address range.
- if (info.match_offset < symbol_byte_size)
+ if (info.match_offset < info.match_symbol->GetByteSize())
return info.match_symbol;
}
return nullptr;
@@ -1066,7 +1065,11 @@
const FileRangeToIndexMap::Entry *entry = m_file_addr_to_index.FindEntryThatContains(file_addr);
if (entry)
- return SymbolAtIndex(entry->data);
+ {
+ Symbol* symbol = SymbolAtIndex(entry->data);
+ if (symbol->ContainsFileAddress(file_addr))
+ return symbol;
+ }
return nullptr;
}
Index: lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
===================================================================
--- lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
+++ lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
@@ -2295,16 +2295,18 @@
symbol_section_sp, // Section in which this symbol is defined or null.
symbol_value, // Offset in section or symbol value.
symbol.st_size), // Size in bytes of this symbol.
- symbol.st_size != 0, // Size is valid if it is not 0
+ true, // Symbol size is valid
has_suffix, // Contains linker annotations?
flags); // Symbol flags.
symtab->AddSymbol(dc_symbol);
}
return i;
}
unsigned
-ObjectFileELF::ParseSymbolTable(Symtab *symbol_table, user_id_t start_id, lldb_private::Section *symtab)
+ObjectFileELF::ParseSymbolTable(Symtab *symbol_table,
+ user_id_t start_id,
+ lldb_private::Section *symtab)
{
if (symtab->GetObjectFile() != this)
{
Index: lldb/trunk/include/lldb/Symbol/Symbol.h
===================================================================
--- lldb/trunk/include/lldb/Symbol/Symbol.h
+++ lldb/trunk/include/lldb/Symbol/Symbol.h
@@ -383,6 +383,9 @@
bool prefer_file_cache,
Stream &strm);
+ bool
+ ContainsFileAddress (lldb::addr_t file_addr) const;
+
protected:
// This is the internal guts of ResolveReExportedSymbol, it assumes reexport_name is not null, and that module_spec
// is valid. We track the modules we've already seen to make sure we don't get caught in a cycle.
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