diff options
| -rw-r--r-- | lldb/source/Plugins/Process/Utility/RegisterContextLLDB.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextLLDB.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextLLDB.cpp index b8561dce047..e34bf90d6ed 100644 --- a/lldb/source/Plugins/Process/Utility/RegisterContextLLDB.cpp +++ b/lldb/source/Plugins/Process/Utility/RegisterContextLLDB.cpp @@ -914,6 +914,7 @@ RegisterContextLLDB::SavedLocationForRegister (uint32_t lldb_regnum, lldb_privat if (iterator != m_registers.end()) { regloc = iterator->second; + UnwindLogMsg ("supplying caller's saved reg %d's location, cached", lldb_regnum); return UnwindLLDB::RegisterSearchResult::eRegisterFound; } } @@ -937,6 +938,7 @@ RegisterContextLLDB::SavedLocationForRegister (uint32_t lldb_regnum, lldb_privat regloc.type = UnwindLLDB::RegisterLocation::eRegisterValueInferred; regloc.location.inferred_value = m_cfa; m_registers[lldb_regnum] = regloc; + UnwindLogMsg ("supplying caller's stack pointer (%d) value, computed from CFA", lldb_regnum); return UnwindLLDB::RegisterSearchResult::eRegisterFound; } @@ -1076,6 +1078,7 @@ RegisterContextLLDB::SavedLocationForRegister (uint32_t lldb_regnum, lldb_privat new_regloc.location.register_number = lldb_regnum; m_registers[lldb_regnum] = new_regloc; regloc = new_regloc; + UnwindLogMsg ("supplying caller's register %d from the live RegisterContext at frame 0", lldb_regnum); return UnwindLLDB::RegisterSearchResult::eRegisterFound; } else @@ -1112,6 +1115,7 @@ RegisterContextLLDB::SavedLocationForRegister (uint32_t lldb_regnum, lldb_privat regloc.type = UnwindLLDB::RegisterLocation::eRegisterValueInferred; regloc.location.inferred_value = m_cfa + offset; m_registers[lldb_regnum] = regloc; + UnwindLogMsg ("supplying caller's register %d, value is CFA plus offset", lldb_regnum); return UnwindLLDB::RegisterSearchResult::eRegisterFound; } @@ -1121,6 +1125,7 @@ RegisterContextLLDB::SavedLocationForRegister (uint32_t lldb_regnum, lldb_privat regloc.type = UnwindLLDB::RegisterLocation::eRegisterSavedAtMemoryLocation; regloc.location.target_memory_location = m_cfa + offset; m_registers[lldb_regnum] = regloc; + UnwindLogMsg ("supplying caller's register %d from the stack, saved at CFA plus offset", lldb_regnum); return UnwindLLDB::RegisterSearchResult::eRegisterFound; } @@ -1136,6 +1141,7 @@ RegisterContextLLDB::SavedLocationForRegister (uint32_t lldb_regnum, lldb_privat regloc.type = UnwindLLDB::RegisterLocation::eRegisterInRegister; regloc.location.register_number = row_regnum_in_lldb; m_registers[lldb_regnum] = regloc; + UnwindLogMsg ("supplying caller's register %d, saved in register %d", lldb_regnum, row_regnum_in_lldb); return UnwindLLDB::RegisterSearchResult::eRegisterFound; } @@ -1157,14 +1163,16 @@ RegisterContextLLDB::SavedLocationForRegister (uint32_t lldb_regnum, lldb_privat regloc.type = UnwindLLDB::RegisterLocation::eRegisterValueInferred; regloc.location.inferred_value = val; m_registers[lldb_regnum] = regloc; + UnwindLogMsg ("supplying caller's register %d via DWARF expression (IsDWARFExpression)", lldb_regnum); return UnwindLLDB::RegisterSearchResult::eRegisterFound; } else { - regloc.type = UnwindLLDB::RegisterLocation::eRegisterSavedAtMemoryLocation; - regloc.location.target_memory_location = val; - m_registers[lldb_regnum] = regloc; - return UnwindLLDB::RegisterSearchResult::eRegisterFound; + regloc.type = UnwindLLDB::RegisterLocation::eRegisterSavedAtMemoryLocation; + regloc.location.target_memory_location = val; + m_registers[lldb_regnum] = regloc; + UnwindLogMsg ("supplying caller's register %d via DWARF expression (IsAtDWARFExpression)", lldb_regnum); + return UnwindLLDB::RegisterSearchResult::eRegisterFound; } } UnwindLogMsg ("tried to use IsDWARFExpression or IsAtDWARFExpression for reg %d but failed", lldb_regnum); |
