bool
UnwindPlan::PlanValidAtAddress (Address addr)
{
// If this UnwindPlan has no rows, it is an invalid UnwindPlan.
if (GetRowCount() == 0)
{
Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_UNWIND));
if (log)
{
StreamString s;
if (addr.Dump (&s, nullptr, Address::DumpStyleSectionNameOffset))
{
log->Printf ("UnwindPlan is invalid -- no unwind rows for UnwindPlan '%s' at address %s",
m_source_name.GetCString(), s.GetData());
}
else
{
log->Printf ("UnwindPlan is invalid -- no unwind rows for UnwindPlan '%s'",
m_source_name.GetCString());
}
}
return false;
}
// If the 0th Row of unwind instructions is missing, or if it doesn't provide
// a register to use to find the Canonical Frame Address, this is not a valid UnwindPlan.
if (GetRowAtIndex(0).get() == nullptr ||
GetRowAtIndex(0)->GetCFAValue().GetValueType() == Row::CFAValue::unspecified)
{
Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_UNWIND));
if (log)
{
StreamString s;
if (addr.Dump (&s, nullptr, Address::DumpStyleSectionNameOffset))
{
log->Printf ("UnwindPlan is invalid -- no CFA register defined in row 0 for UnwindPlan '%s' at address %s",
m_source_name.GetCString(), s.GetData());
}
else
{
log->Printf ("UnwindPlan is invalid -- no CFA register defined in row 0 for UnwindPlan '%s'",
m_source_name.GetCString());
}
}
return false;
}
if (!m_plan_valid_address_range.GetBaseAddress().IsValid() || m_plan_valid_address_range.GetByteSize() == 0)
return true;
if (!addr.IsValid())
return true;
if (m_plan_valid_address_range.ContainsFileAddress (addr))
return true;
return false;
}
void
SymbolContext::DumpStopContext
(
Stream *s,
ExecutionContextScope *exe_scope,
const Address &addr,
bool show_module
) const
{
if (show_module && module_sp)
{
*s << module_sp->GetFileSpec().GetFilename() << '`';
}
if (function != NULL)
{
if (function->GetMangled().GetName())
function->GetMangled().GetName().Dump(s);
const addr_t function_offset = addr.GetOffset() - function->GetAddressRange().GetBaseAddress().GetOffset();
if (function_offset)
s->Printf(" + %llu", function_offset);
if (block != NULL)
{
s->IndentMore();
block->DumpStopContext(s, this);
s->IndentLess();
}
else
{
if (line_entry.IsValid())
{
s->PutCString(" at ");
if (line_entry.DumpStopContext(s))
return;
}
}
}
else if (symbol != NULL)
{
symbol->GetMangled().GetName().Dump(s);
if (symbol->GetAddressRangePtr())
{
const addr_t symbol_offset = addr.GetOffset() - symbol->GetAddressRangePtr()->GetBaseAddress().GetOffset();
if (symbol_offset)
s->Printf(" + %llu", symbol_offset);
}
}
else
{
addr.Dump(s, exe_scope, Address::DumpStyleModuleWithFileAddress);
}
}
bool
CompactUnwindInfo::GetUnwindPlan (Target &target, Address addr, UnwindPlan& unwind_plan)
{
if (!IsValid (target.GetProcessSP()))
{
return false;
}
FunctionInfo function_info;
if (GetCompactUnwindInfoForFunction (target, addr, function_info))
{
// shortcut return for functions that have no compact unwind
if (function_info.encoding == 0)
return false;
ArchSpec arch;
if (m_objfile.GetArchitecture (arch))
{
Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_UNWIND));
if (log && log->GetVerbose())
{
StreamString strm;
addr.Dump (&strm, NULL, Address::DumpStyle::DumpStyleResolvedDescriptionNoFunctionArguments, Address::DumpStyle::DumpStyleFileAddress, arch.GetAddressByteSize());
log->Printf ("Got compact unwind encoding 0x%x for function %s", function_info.encoding, strm.GetData());
}
if (function_info.valid_range_offset_start != 0 && function_info.valid_range_offset_end != 0)
{
SectionList *sl = m_objfile.GetSectionList ();
if (sl)
{
addr_t func_range_start_file_addr =
function_info.valid_range_offset_start + m_objfile.GetHeaderAddress().GetFileAddress();
AddressRange func_range (func_range_start_file_addr,
function_info.valid_range_offset_end - function_info.valid_range_offset_start,
sl);
unwind_plan.SetPlanValidAddressRange (func_range);
}
}
if (arch.GetTriple().getArch() == llvm::Triple::x86_64)
{
return CreateUnwindPlan_x86_64 (target, function_info, unwind_plan, addr);
}
if (arch.GetTriple().getArch() == llvm::Triple::x86)
{
return CreateUnwindPlan_i386 (target, function_info, unwind_plan, addr);
}
}
}
return false;
}
bool
SymbolContext::DumpStopContext
(
Stream *s,
ExecutionContextScope *exe_scope,
const Address &addr,
bool show_fullpaths,
bool show_module,
bool show_inlined_frames
) const
{
bool dumped_something = false;
if (show_module && module_sp)
{
if (show_fullpaths)
*s << module_sp->GetFileSpec();
else
*s << module_sp->GetFileSpec().GetFilename();
s->PutChar('`');
dumped_something = true;
}
if (function != NULL)
{
SymbolContext inline_parent_sc;
Address inline_parent_addr;
if (function->GetMangled().GetName())
{
dumped_something = true;
function->GetMangled().GetName().Dump(s);
}
if (addr.IsValid())
{
const addr_t function_offset = addr.GetOffset() - function->GetAddressRange().GetBaseAddress().GetOffset();
if (function_offset)
{
dumped_something = true;
s->Printf(" + %" PRIu64, function_offset);
}
}
if (GetParentOfInlinedScope (addr, inline_parent_sc, inline_parent_addr))
{
dumped_something = true;
Block *inlined_block = block->GetContainingInlinedBlock();
const InlineFunctionInfo* inlined_block_info = inlined_block->GetInlinedFunctionInfo();
s->Printf (" [inlined] %s", inlined_block_info->GetName().GetCString());
lldb_private::AddressRange block_range;
if (inlined_block->GetRangeContainingAddress(addr, block_range))
{
const addr_t inlined_function_offset = addr.GetOffset() - block_range.GetBaseAddress().GetOffset();
if (inlined_function_offset)
{
s->Printf(" + %" PRIu64, inlined_function_offset);
}
}
const Declaration &call_site = inlined_block_info->GetCallSite();
if (call_site.IsValid())
{
s->PutCString(" at ");
call_site.DumpStopContext (s, show_fullpaths);
}
if (show_inlined_frames)
{
s->EOL();
s->Indent();
return inline_parent_sc.DumpStopContext (s, exe_scope, inline_parent_addr, show_fullpaths, show_module, show_inlined_frames);
}
}
else
{
if (line_entry.IsValid())
{
dumped_something = true;
s->PutCString(" at ");
if (line_entry.DumpStopContext(s, show_fullpaths))
dumped_something = true;
}
}
}
else if (symbol != NULL)
{
if (symbol->GetMangled().GetName())
{
dumped_something = true;
if (symbol->GetType() == eSymbolTypeTrampoline)
s->PutCString("symbol stub for: ");
symbol->GetMangled().GetName().Dump(s);
}
if (addr.IsValid() && symbol->ValueIsAddress())
{
const addr_t symbol_offset = addr.GetOffset() - symbol->GetAddress().GetOffset();
if (symbol_offset)
{
dumped_something = true;
s->Printf(" + %" PRIu64, symbol_offset);
}
}
}
else if (addr.IsValid())
{
addr.Dump(s, exe_scope, Address::DumpStyleModuleWithFileAddress);
dumped_something = true;
}
return dumped_something;
}
