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Fix a crash when an ELF section symbol have no name

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llvm-svn: 276403
This commit is contained in:
Tamas Berghammer 2016-07-22 10:43:03 +00:00
parent aea8b553e3
commit 0576ad6d35
1 changed files with 4 additions and 2 deletions
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6
lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
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@ -2211,10 +2211,12 @@ ObjectFileELF::ParseSymbols (Symtab *symtab,
break;
const char *symbol_name = strtab_data.PeekCStr(symbol.st_name);
if (!symbol_name)
symbol_name = "";
// No need to add non-section symbols that have no names
if (symbol.getType() != STT_SECTION &&
(symbol_name == NULL || symbol_name[0] == '\0'))
(symbol_name == nullptr || symbol_name[0] == '\0'))
continue;
// Skipping oatdata and oatexec sections if it is requested. See details above the
@ -2461,7 +2463,7 @@ ObjectFileELF::ParseSymbols (Symtab *symtab,
bool is_global = symbol.getBinding() == STB_GLOBAL;
uint32_t flags = symbol.st_other << 8 | symbol.st_info | additional_flags;
bool is_mangled = symbol_name ? (symbol_name[0] == '_' && symbol_name[1] == 'Z') : false;
bool is_mangled = (symbol_name[0] == '_' && symbol_name[1] == 'Z');
llvm::StringRef symbol_ref(symbol_name);