diff options
| -rw-r--r-- | lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp index d86aee78947..2541b2c628a 100644 --- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp +++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp @@ -1746,6 +1746,32 @@ ObjectFileELF::ParseSymbols (Symtab *symtab, } } + ArchSpec arch; + + if (GetArchitecture(arch) && + arch.GetMachine() == llvm::Triple::arm) + { + // ELF symbol tables may contain some mapping symbols. They provide + // information about the underlying data. There are three of them + // currently defined: + // $a[.<any>]* - marks an ARM instruction sequence + // $t[.<any>]* - marks a THUMB instruction sequence + // $d[.<any>]* - marks a data item sequence (e.g. lit pool) + // These symbols interfere with normal debugger operations and we + // don't need them. We can drop them here. + + static const llvm::StringRef g_armelf_arm_marker("$a"); + static const llvm::StringRef g_armelf_thumb_marker("$t"); + static const llvm::StringRef g_armelf_data_marker("$d"); + llvm::StringRef symbol_name_ref(symbol_name); + + if (symbol_name && + (symbol_name_ref.startswith(g_armelf_arm_marker) || + symbol_name_ref.startswith(g_armelf_thumb_marker) || + symbol_name_ref.startswith(g_armelf_data_marker))) + continue; + } + // If the symbol section we've found has no data (SHT_NOBITS), then check the module section // list. This can happen if we're parsing the debug file and it has no .text section, for example. if (symbol_section_sp && (symbol_section_sp->GetFileSize() == 0)) |
