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Diffstat (limited to 'lldb/source/Target/RegisterContextUnwind.cpp')
-rw-r--r--lldb/source/Target/RegisterContextUnwind.cpp86
1 files changed, 45 insertions, 41 deletions
diff --git a/lldb/source/Target/RegisterContextUnwind.cpp b/lldb/source/Target/RegisterContextUnwind.cpp
index a61228d092d8..b683ea7237de 100644
--- a/lldb/source/Target/RegisterContextUnwind.cpp
+++ b/lldb/source/Target/RegisterContextUnwind.cpp
@@ -1108,14 +1108,14 @@ uint32_t RegisterContextUnwind::ConvertRegisterKindToRegisterNumber(
}
bool RegisterContextUnwind::ReadRegisterValueFromRegisterLocation(
- lldb_private::UnwindLLDB::RegisterLocation regloc,
+ lldb_private::UnwindLLDB::ConcreteRegisterLocation regloc,
const RegisterInfo *reg_info, RegisterValue &value) {
if (!IsValid())
return false;
bool success = false;
switch (regloc.type) {
- case UnwindLLDB::RegisterLocation::eRegisterInLiveRegisterContext: {
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterInLiveRegisterContext: {
const RegisterInfo *other_reg_info =
GetRegisterInfoAtIndex(regloc.location.register_number);
@@ -1125,7 +1125,7 @@ bool RegisterContextUnwind::ReadRegisterValueFromRegisterLocation(
success =
m_thread.GetRegisterContext()->ReadRegister(other_reg_info, value);
} break;
- case UnwindLLDB::RegisterLocation::eRegisterInRegister: {
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterInRegister: {
const RegisterInfo *other_reg_info =
GetRegisterInfoAtIndex(regloc.location.register_number);
@@ -1139,29 +1139,29 @@ bool RegisterContextUnwind::ReadRegisterValueFromRegisterLocation(
success = GetNextFrame()->ReadRegister(other_reg_info, value);
}
} break;
- case UnwindLLDB::RegisterLocation::eRegisterValueInferred:
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterValueInferred:
success =
value.SetUInt(regloc.location.inferred_value, reg_info->byte_size);
break;
- case UnwindLLDB::RegisterLocation::eRegisterNotSaved:
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterNotSaved:
break;
- case UnwindLLDB::RegisterLocation::eRegisterSavedAtHostMemoryLocation:
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterSavedAtHostMemoryLocation:
llvm_unreachable("FIXME debugger inferior function call unwind");
- case UnwindLLDB::RegisterLocation::eRegisterSavedAtMemoryLocation: {
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterSavedAtMemoryLocation: {
Status error(ReadRegisterValueFromMemory(
reg_info, regloc.location.target_memory_location, reg_info->byte_size,
value));
success = error.Success();
} break;
default:
- llvm_unreachable("Unknown RegisterLocation type.");
+ llvm_unreachable("Unknown ConcreteRegisterLocation type.");
}
return success;
}
bool RegisterContextUnwind::WriteRegisterValueToRegisterLocation(
- lldb_private::UnwindLLDB::RegisterLocation regloc,
+ lldb_private::UnwindLLDB::ConcreteRegisterLocation regloc,
const RegisterInfo *reg_info, const RegisterValue &value) {
if (!IsValid())
return false;
@@ -1169,13 +1169,13 @@ bool RegisterContextUnwind::WriteRegisterValueToRegisterLocation(
bool success = false;
switch (regloc.type) {
- case UnwindLLDB::RegisterLocation::eRegisterInLiveRegisterContext: {
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterInLiveRegisterContext: {
const RegisterInfo *other_reg_info =
GetRegisterInfoAtIndex(regloc.location.register_number);
success =
m_thread.GetRegisterContext()->WriteRegister(other_reg_info, value);
} break;
- case UnwindLLDB::RegisterLocation::eRegisterInRegister: {
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterInRegister: {
const RegisterInfo *other_reg_info =
GetRegisterInfoAtIndex(regloc.location.register_number);
if (IsFrameZero()) {
@@ -1185,19 +1185,19 @@ bool RegisterContextUnwind::WriteRegisterValueToRegisterLocation(
success = GetNextFrame()->WriteRegister(other_reg_info, value);
}
} break;
- case UnwindLLDB::RegisterLocation::eRegisterValueInferred:
- case UnwindLLDB::RegisterLocation::eRegisterNotSaved:
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterValueInferred:
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterNotSaved:
break;
- case UnwindLLDB::RegisterLocation::eRegisterSavedAtHostMemoryLocation:
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterSavedAtHostMemoryLocation:
llvm_unreachable("FIXME debugger inferior function call unwind");
- case UnwindLLDB::RegisterLocation::eRegisterSavedAtMemoryLocation: {
+ case UnwindLLDB::ConcreteRegisterLocation::eRegisterSavedAtMemoryLocation: {
Status error(WriteRegisterValueToMemory(
reg_info, regloc.location.target_memory_location, reg_info->byte_size,
value));
success = error.Success();
} break;
default:
- llvm_unreachable("Unknown RegisterLocation type.");
+ llvm_unreachable("Unknown ConcreteRegisterLocation type.");
}
return success;
}
@@ -1259,14 +1259,15 @@ bool RegisterContextUnwind::IsTrapHandlerSymbol(
enum UnwindLLDB::RegisterSearchResult
RegisterContextUnwind::SavedLocationForRegister(
- uint32_t lldb_regnum, lldb_private::UnwindLLDB::RegisterLocation &regloc) {
+ uint32_t lldb_regnum,
+ lldb_private::UnwindLLDB::ConcreteRegisterLocation &regloc) {
RegisterNumber regnum(m_thread, eRegisterKindLLDB, lldb_regnum);
Log *log = GetLog(LLDBLog::Unwind);
// Have we already found this register location?
if (!m_registers.empty()) {
std::map<uint32_t,
- lldb_private::UnwindLLDB::RegisterLocation>::const_iterator
+ lldb_private::UnwindLLDB::ConcreteRegisterLocation>::const_iterator
iterator;
iterator = m_registers.find(regnum.GetAsKind(eRegisterKindLLDB));
if (iterator != m_registers.end()) {
@@ -1279,7 +1280,7 @@ RegisterContextUnwind::SavedLocationForRegister(
// Look through the available UnwindPlans for the register location.
- UnwindPlan::Row::RegisterLocation unwindplan_regloc;
+ UnwindPlan::Row::AbstractRegisterLocation unwindplan_regloc;
bool have_unwindplan_regloc = false;
RegisterKind unwindplan_registerkind = kNumRegisterKinds;
@@ -1353,7 +1354,7 @@ RegisterContextUnwind::SavedLocationForRegister(
// signal was received, we should fetch the actual saved $pc
// value instead of the Return Address register.
// If $pc is not available, fall back to the RA reg.
- UnwindPlan::Row::RegisterLocation scratch;
+ UnwindPlan::Row::AbstractRegisterLocation scratch;
if (m_frame_type == eTrapHandlerFrame &&
active_row->GetRegisterInfo
(pc_regnum.GetAsKind (unwindplan_registerkind), scratch)) {
@@ -1404,9 +1405,9 @@ RegisterContextUnwind::SavedLocationForRegister(
BehavesLikeZerothFrame()) {
if (return_address_reg.GetAsKind(eRegisterKindLLDB) !=
LLDB_INVALID_REGNUM) {
- lldb_private::UnwindLLDB::RegisterLocation new_regloc;
- new_regloc.type =
- UnwindLLDB::RegisterLocation::eRegisterInLiveRegisterContext;
+ lldb_private::UnwindLLDB::ConcreteRegisterLocation new_regloc;
+ new_regloc.type = UnwindLLDB::ConcreteRegisterLocation::
+ eRegisterInLiveRegisterContext;
new_regloc.location.register_number =
return_address_reg.GetAsKind(eRegisterKindLLDB);
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = new_regloc;
@@ -1513,9 +1514,9 @@ RegisterContextUnwind::SavedLocationForRegister(
if (IsFrameZero()) {
// This is frame 0 - we should return the actual live register context
// value
- lldb_private::UnwindLLDB::RegisterLocation new_regloc;
+ lldb_private::UnwindLLDB::ConcreteRegisterLocation new_regloc;
new_regloc.type =
- UnwindLLDB::RegisterLocation::eRegisterInLiveRegisterContext;
+ UnwindLLDB::ConcreteRegisterLocation::eRegisterInLiveRegisterContext;
new_regloc.location.register_number = regnum.GetAsKind(eRegisterKindLLDB);
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = new_regloc;
regloc = new_regloc;
@@ -1539,8 +1540,8 @@ RegisterContextUnwind::SavedLocationForRegister(
// unwindplan_regloc has valid contents about where to retrieve the register
if (unwindplan_regloc.IsUnspecified()) {
- lldb_private::UnwindLLDB::RegisterLocation new_regloc = {};
- new_regloc.type = UnwindLLDB::RegisterLocation::eRegisterNotSaved;
+ lldb_private::UnwindLLDB::ConcreteRegisterLocation new_regloc = {};
+ new_regloc.type = UnwindLLDB::ConcreteRegisterLocation::eRegisterNotSaved;
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = new_regloc;
UnwindLogMsg("save location for %s (%d) is unspecified, continue searching",
regnum.GetName(), regnum.GetAsKind(eRegisterKindLLDB));
@@ -1564,7 +1565,7 @@ RegisterContextUnwind::SavedLocationForRegister(
regnum.GetName(), regnum.GetAsKind(eRegisterKindLLDB));
return UnwindLLDB::RegisterSearchResult::eRegisterNotFound;
} else {
- regloc.type = UnwindLLDB::RegisterLocation::eRegisterInRegister;
+ regloc.type = UnwindLLDB::ConcreteRegisterLocation::eRegisterInRegister;
regloc.location.register_number = regnum.GetAsKind(eRegisterKindLLDB);
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = regloc;
UnwindLogMsg(
@@ -1577,7 +1578,7 @@ RegisterContextUnwind::SavedLocationForRegister(
if (unwindplan_regloc.IsCFAPlusOffset()) {
int offset = unwindplan_regloc.GetOffset();
- regloc.type = UnwindLLDB::RegisterLocation::eRegisterValueInferred;
+ regloc.type = UnwindLLDB::ConcreteRegisterLocation::eRegisterValueInferred;
regloc.location.inferred_value = m_cfa + offset;
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = regloc;
UnwindLogMsg("supplying caller's register %s (%d), value is CFA plus "
@@ -1589,7 +1590,8 @@ RegisterContextUnwind::SavedLocationForRegister(
if (unwindplan_regloc.IsAtCFAPlusOffset()) {
int offset = unwindplan_regloc.GetOffset();
- regloc.type = UnwindLLDB::RegisterLocation::eRegisterSavedAtMemoryLocation;
+ regloc.type =
+ UnwindLLDB::ConcreteRegisterLocation::eRegisterSavedAtMemoryLocation;
regloc.location.target_memory_location = m_cfa + offset;
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = regloc;
UnwindLogMsg("supplying caller's register %s (%d) from the stack, saved at "
@@ -1604,7 +1606,7 @@ RegisterContextUnwind::SavedLocationForRegister(
return UnwindLLDB::RegisterSearchResult::eRegisterNotFound;
int offset = unwindplan_regloc.GetOffset();
- regloc.type = UnwindLLDB::RegisterLocation::eRegisterValueInferred;
+ regloc.type = UnwindLLDB::ConcreteRegisterLocation::eRegisterValueInferred;
regloc.location.inferred_value = m_afa + offset;
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = regloc;
UnwindLogMsg("supplying caller's register %s (%d), value is AFA plus "
@@ -1619,7 +1621,8 @@ RegisterContextUnwind::SavedLocationForRegister(
return UnwindLLDB::RegisterSearchResult::eRegisterNotFound;
int offset = unwindplan_regloc.GetOffset();
- regloc.type = UnwindLLDB::RegisterLocation::eRegisterSavedAtMemoryLocation;
+ regloc.type =
+ UnwindLLDB::ConcreteRegisterLocation::eRegisterSavedAtMemoryLocation;
regloc.location.target_memory_location = m_afa + offset;
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = regloc;
UnwindLogMsg("supplying caller's register %s (%d) from the stack, saved at "
@@ -1639,7 +1642,7 @@ RegisterContextUnwind::SavedLocationForRegister(
regnum.GetName(), regnum.GetAsKind(eRegisterKindLLDB));
return UnwindLLDB::RegisterSearchResult::eRegisterNotFound;
}
- regloc.type = UnwindLLDB::RegisterLocation::eRegisterInRegister;
+ regloc.type = UnwindLLDB::ConcreteRegisterLocation::eRegisterInRegister;
regloc.location.register_number = row_regnum.GetAsKind(eRegisterKindLLDB);
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = regloc;
UnwindLogMsg(
@@ -1670,7 +1673,8 @@ RegisterContextUnwind::SavedLocationForRegister(
addr_t val;
val = result->GetScalar().ULongLong();
if (unwindplan_regloc.IsDWARFExpression()) {
- regloc.type = UnwindLLDB::RegisterLocation::eRegisterValueInferred;
+ regloc.type =
+ UnwindLLDB::ConcreteRegisterLocation::eRegisterValueInferred;
regloc.location.inferred_value = val;
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = regloc;
UnwindLogMsg("supplying caller's register %s (%d) via DWARF expression "
@@ -1678,8 +1682,8 @@ RegisterContextUnwind::SavedLocationForRegister(
regnum.GetName(), regnum.GetAsKind(eRegisterKindLLDB));
return UnwindLLDB::RegisterSearchResult::eRegisterFound;
} else {
- regloc.type =
- UnwindLLDB::RegisterLocation::eRegisterSavedAtMemoryLocation;
+ regloc.type = UnwindLLDB::ConcreteRegisterLocation::
+ eRegisterSavedAtMemoryLocation;
regloc.location.target_memory_location = val;
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = regloc;
UnwindLogMsg("supplying caller's register %s (%d) via DWARF expression "
@@ -1695,7 +1699,7 @@ RegisterContextUnwind::SavedLocationForRegister(
}
if (unwindplan_regloc.IsConstant()) {
- regloc.type = UnwindLLDB::RegisterLocation::eRegisterValueInferred;
+ regloc.type = UnwindLLDB::ConcreteRegisterLocation::eRegisterValueInferred;
regloc.location.inferred_value = unwindplan_regloc.GetConstant();
m_registers[regnum.GetAsKind(eRegisterKindLLDB)] = regloc;
UnwindLogMsg("supplying caller's register %s (%d) via constant value",
@@ -1756,7 +1760,7 @@ bool RegisterContextUnwind::TryFallbackUnwindPlan() {
addr_t old_caller_pc_value = LLDB_INVALID_ADDRESS;
addr_t new_caller_pc_value = LLDB_INVALID_ADDRESS;
- UnwindLLDB::RegisterLocation regloc = {};
+ UnwindLLDB::ConcreteRegisterLocation regloc = {};
if (SavedLocationForRegister(pc_regnum.GetAsKind(eRegisterKindLLDB),
regloc) ==
UnwindLLDB::RegisterSearchResult::eRegisterFound) {
@@ -2188,7 +2192,7 @@ bool RegisterContextUnwind::ReadGPRValue(lldb::RegisterKind register_kind,
generic_regnum == LLDB_REGNUM_GENERIC_RA))
pc_register = true;
- lldb_private::UnwindLLDB::RegisterLocation regloc;
+ lldb_private::UnwindLLDB::ConcreteRegisterLocation regloc;
if (!m_parent_unwind.SearchForSavedLocationForRegister(
lldb_regnum, regloc, m_frame_number - 1, pc_register)) {
return false;
@@ -2235,7 +2239,7 @@ bool RegisterContextUnwind::ReadRegister(const RegisterInfo *reg_info,
is_pc_regnum = true;
}
- lldb_private::UnwindLLDB::RegisterLocation regloc;
+ lldb_private::UnwindLLDB::ConcreteRegisterLocation regloc;
// Find out where the NEXT frame saved THIS frame's register contents
if (!m_parent_unwind.SearchForSavedLocationForRegister(
lldb_regnum, regloc, m_frame_number - 1, is_pc_regnum))
@@ -2270,7 +2274,7 @@ bool RegisterContextUnwind::WriteRegister(const RegisterInfo *reg_info,
return m_thread.GetRegisterContext()->WriteRegister(reg_info, value);
}
- lldb_private::UnwindLLDB::RegisterLocation regloc;
+ lldb_private::UnwindLLDB::ConcreteRegisterLocation regloc;
// Find out where the NEXT frame saved THIS frame's register contents
if (!m_parent_unwind.SearchForSavedLocationForRegister(
lldb_regnum, regloc, m_frame_number - 1, false))
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-31 10:02:43 +0000