diff options
Diffstat (limited to 'lldb/source/Symbol/Symbol.cpp')
| -rw-r--r-- | lldb/source/Symbol/Symbol.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lldb/source/Symbol/Symbol.cpp b/lldb/source/Symbol/Symbol.cpp index 8a3211373d1..636670d994f 100644 --- a/lldb/source/Symbol/Symbol.cpp +++ b/lldb/source/Symbol/Symbol.cpp @@ -30,6 +30,7 @@ Symbol::Symbol() : m_is_external (false), m_size_is_sibling (false), m_size_is_synthesized (false), + m_calculated_size (false), m_type (eSymbolTypeInvalid), m_flags (), m_addr_range () @@ -61,6 +62,7 @@ Symbol::Symbol m_is_external (external), m_size_is_sibling (false), m_size_is_synthesized (false), + m_calculated_size (size > 0), m_type (type), m_flags (flags), m_addr_range (section_sp, offset, size) @@ -90,6 +92,7 @@ Symbol::Symbol m_is_external (external), m_size_is_sibling (false), m_size_is_synthesized (false), + m_calculated_size (range.GetByteSize() > 0), m_type (type), m_flags (flags), m_addr_range (range) @@ -107,6 +110,7 @@ Symbol::Symbol(const Symbol& rhs): m_is_external (rhs.m_is_external), m_size_is_sibling (rhs.m_size_is_sibling), m_size_is_synthesized (false), + m_calculated_size (rhs.m_calculated_size), m_type (rhs.m_type), m_flags (rhs.m_flags), m_addr_range (rhs.m_addr_range) @@ -128,6 +132,7 @@ Symbol::operator= (const Symbol& rhs) m_is_external = rhs.m_is_external; m_size_is_sibling = rhs.m_size_is_sibling; m_size_is_synthesized = rhs.m_size_is_sibling; + m_calculated_size = rhs.m_calculated_size; m_type = rhs.m_type; m_flags = rhs.m_flags; m_addr_range = rhs.m_addr_range; @@ -147,6 +152,7 @@ Symbol::Clear() m_is_external = false; m_size_is_sibling = false; m_size_is_synthesized = false; + m_calculated_size = false; m_type = eSymbolTypeInvalid; m_flags = 0; m_addr_range.Clear(); @@ -156,7 +162,11 @@ AddressRange * Symbol::GetAddressRangePtr() { if (m_addr_range.GetBaseAddress().GetSection()) + { + if (!m_calculated_size) + GetByteSize(); return &m_addr_range; + } return NULL; } @@ -164,7 +174,11 @@ const AddressRange * Symbol::GetAddressRangePtr() const { if (m_addr_range.GetBaseAddress().GetSection()) + { + if (!m_calculated_size) + GetByteSize(); return &m_addr_range; + } return NULL; } @@ -395,3 +409,32 @@ Symbol::DumpSymbolContext (Stream *s) } +lldb::addr_t +Symbol::GetByteSize () const +{ + addr_t byte_size = m_addr_range.GetByteSize(); + if (byte_size == 0 && !m_calculated_size) + { + const_cast<Symbol*>(this)->m_calculated_size = true; + const AddressRange *range = GetAddressRangePtr(); + if (range) + { + ModuleSP module_sp (range->GetBaseAddress().GetModule()); + if (module_sp) + { + ObjectFile *objfile = module_sp->GetObjectFile(); + if (objfile) + { + Symtab *symtab = objfile->GetSymtab(); + if (symtab) + { + const_cast<AddressRange &>(m_addr_range).SetByteSize(symtab->CalculateSymbolSize (const_cast<Symbol *>(this))); + byte_size = m_addr_range.GetByteSize(); + } + } + } + } + } + return byte_size; +} + |
