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Diffstat (limited to 'source/Plugins/Process/Utility/RegisterContextMacOSXFrameBackchain.cpp')
-rw-r--r--source/Plugins/Process/Utility/RegisterContextMacOSXFrameBackchain.cpp252
1 files changed, 107 insertions, 145 deletions
diff --git a/source/Plugins/Process/Utility/RegisterContextMacOSXFrameBackchain.cpp b/source/Plugins/Process/Utility/RegisterContextMacOSXFrameBackchain.cpp
index a2ab67438b75..95b106d68bb3 100644
--- a/source/Plugins/Process/Utility/RegisterContextMacOSXFrameBackchain.cpp
+++ b/source/Plugins/Process/Utility/RegisterContextMacOSXFrameBackchain.cpp
@@ -27,181 +27,143 @@ using namespace lldb_private;
//----------------------------------------------------------------------
// RegisterContextMacOSXFrameBackchain constructor
//----------------------------------------------------------------------
-RegisterContextMacOSXFrameBackchain::RegisterContextMacOSXFrameBackchain
-(
- Thread &thread,
- uint32_t concrete_frame_idx,
- const UnwindMacOSXFrameBackchain::Cursor &cursor
-) :
- RegisterContext (thread, concrete_frame_idx),
- m_cursor (cursor),
- m_cursor_is_valid (true)
-{
-}
+RegisterContextMacOSXFrameBackchain::RegisterContextMacOSXFrameBackchain(
+ Thread &thread, uint32_t concrete_frame_idx,
+ const UnwindMacOSXFrameBackchain::Cursor &cursor)
+ : RegisterContext(thread, concrete_frame_idx), m_cursor(cursor),
+ m_cursor_is_valid(true) {}
//----------------------------------------------------------------------
// Destructor
//----------------------------------------------------------------------
-RegisterContextMacOSXFrameBackchain::~RegisterContextMacOSXFrameBackchain()
-{
-}
+RegisterContextMacOSXFrameBackchain::~RegisterContextMacOSXFrameBackchain() {}
-void
-RegisterContextMacOSXFrameBackchain::InvalidateAllRegisters ()
-{
- m_cursor_is_valid = false;
+void RegisterContextMacOSXFrameBackchain::InvalidateAllRegisters() {
+ m_cursor_is_valid = false;
}
-size_t
-RegisterContextMacOSXFrameBackchain::GetRegisterCount ()
-{
- return m_thread.GetRegisterContext()->GetRegisterCount();
+size_t RegisterContextMacOSXFrameBackchain::GetRegisterCount() {
+ return m_thread.GetRegisterContext()->GetRegisterCount();
}
const RegisterInfo *
-RegisterContextMacOSXFrameBackchain::GetRegisterInfoAtIndex (size_t reg)
-{
- return m_thread.GetRegisterContext()->GetRegisterInfoAtIndex(reg);
+RegisterContextMacOSXFrameBackchain::GetRegisterInfoAtIndex(size_t reg) {
+ return m_thread.GetRegisterContext()->GetRegisterInfoAtIndex(reg);
}
-size_t
-RegisterContextMacOSXFrameBackchain::GetRegisterSetCount ()
-{
- return m_thread.GetRegisterContext()->GetRegisterSetCount();
+size_t RegisterContextMacOSXFrameBackchain::GetRegisterSetCount() {
+ return m_thread.GetRegisterContext()->GetRegisterSetCount();
}
-
-
const RegisterSet *
-RegisterContextMacOSXFrameBackchain::GetRegisterSet (size_t reg_set)
-{
- return m_thread.GetRegisterContext()->GetRegisterSet (reg_set);
+RegisterContextMacOSXFrameBackchain::GetRegisterSet(size_t reg_set) {
+ return m_thread.GetRegisterContext()->GetRegisterSet(reg_set);
}
+bool RegisterContextMacOSXFrameBackchain::ReadRegister(
+ const RegisterInfo *reg_info, RegisterValue &value) {
+ if (!m_cursor_is_valid)
+ return false;
+
+ uint64_t reg_value = LLDB_INVALID_ADDRESS;
+ switch (reg_info->kinds[eRegisterKindGeneric]) {
+ case LLDB_REGNUM_GENERIC_PC:
+ if (m_cursor.pc == LLDB_INVALID_ADDRESS)
+ return false;
+ reg_value = m_cursor.pc;
+ break;
-bool
-RegisterContextMacOSXFrameBackchain::ReadRegister (const RegisterInfo *reg_info,
- RegisterValue &value)
-{
- if (!m_cursor_is_valid)
- return false;
-
- uint64_t reg_value = LLDB_INVALID_ADDRESS;
-
- switch (reg_info->kinds[eRegisterKindGeneric])
- {
- case LLDB_REGNUM_GENERIC_PC:
- if (m_cursor.pc == LLDB_INVALID_ADDRESS)
- return false;
- reg_value = m_cursor.pc;
- break;
-
- case LLDB_REGNUM_GENERIC_FP:
- if (m_cursor.fp == LLDB_INVALID_ADDRESS)
- return false;
- reg_value = m_cursor.fp;
- break;
-
- default:
- return false;
- }
-
- switch (reg_info->encoding)
- {
- case eEncodingInvalid:
- case eEncodingVector:
- break;
-
- case eEncodingUint:
- case eEncodingSint:
- value.SetUInt(reg_value, reg_info->byte_size);
+ case LLDB_REGNUM_GENERIC_FP:
+ if (m_cursor.fp == LLDB_INVALID_ADDRESS)
+ return false;
+ reg_value = m_cursor.fp;
+ break;
+
+ default:
+ return false;
+ }
+
+ switch (reg_info->encoding) {
+ case eEncodingInvalid:
+ case eEncodingVector:
+ break;
+
+ case eEncodingUint:
+ case eEncodingSint:
+ value.SetUInt(reg_value, reg_info->byte_size);
+ return true;
+
+ case eEncodingIEEE754:
+ switch (reg_info->byte_size) {
+ case sizeof(float):
+ if (sizeof(float) == sizeof(uint32_t)) {
+ value.SetUInt32(reg_value, RegisterValue::eTypeFloat);
+ return true;
+ } else if (sizeof(float) == sizeof(uint64_t)) {
+ value.SetUInt64(reg_value, RegisterValue::eTypeFloat);
return true;
+ }
+ break;
- case eEncodingIEEE754:
- switch (reg_info->byte_size)
- {
- case sizeof (float):
- if (sizeof (float) == sizeof(uint32_t))
- {
- value.SetUInt32(reg_value, RegisterValue::eTypeFloat);
- return true;
- }
- else if (sizeof (float) == sizeof(uint64_t))
- {
- value.SetUInt64(reg_value, RegisterValue::eTypeFloat);
- return true;
- }
- break;
-
- case sizeof (double):
- if (sizeof (double) == sizeof(uint32_t))
- {
- value.SetUInt32(reg_value, RegisterValue::eTypeDouble);
- return true;
- }
- else if (sizeof (double) == sizeof(uint64_t))
- {
- value.SetUInt64(reg_value, RegisterValue::eTypeDouble);
- return true;
- }
- break;
-
- // TOOD: need a better way to detect when "long double" types are
- // the same bytes size as "double"
-#if !defined(__arm__) && !defined(__arm64__) && !defined(__aarch64__) && !defined(_MSC_VER) && \
- !defined(__mips__) && !defined(__powerpc__) && !defined(__ANDROID_NDK__)
- case sizeof (long double):
- if (sizeof (long double) == sizeof(uint32_t))
- {
- value.SetUInt32(reg_value, RegisterValue::eTypeLongDouble);
- return true;
- }
- else if (sizeof (long double) == sizeof(uint64_t))
- {
- value.SetUInt64(reg_value, RegisterValue::eTypeLongDouble);
- return true;
- }
- break;
+ case sizeof(double):
+ if (sizeof(double) == sizeof(uint32_t)) {
+ value.SetUInt32(reg_value, RegisterValue::eTypeDouble);
+ return true;
+ } else if (sizeof(double) == sizeof(uint64_t)) {
+ value.SetUInt64(reg_value, RegisterValue::eTypeDouble);
+ return true;
+ }
+ break;
+
+// TOOD: need a better way to detect when "long double" types are
+// the same bytes size as "double"
+#if !defined(__arm__) && !defined(__arm64__) && !defined(__aarch64__) && \
+ !defined(_MSC_VER) && !defined(__mips__) && !defined(__powerpc__) && \
+ !defined(__ANDROID__)
+ case sizeof(long double):
+ if (sizeof(long double) == sizeof(uint32_t)) {
+ value.SetUInt32(reg_value, RegisterValue::eTypeLongDouble);
+ return true;
+ } else if (sizeof(long double) == sizeof(uint64_t)) {
+ value.SetUInt64(reg_value, RegisterValue::eTypeLongDouble);
+ return true;
+ }
+ break;
#endif
- }
- break;
}
- return false;
+ break;
+ }
+ return false;
}
-bool
-RegisterContextMacOSXFrameBackchain::WriteRegister (const RegisterInfo *reg_info,
- const RegisterValue &value)
-{
- // Not supported yet. We could easily add support for this by remembering
- // the address of each entry (it would need to be part of the cursor)
- return false;
+bool RegisterContextMacOSXFrameBackchain::WriteRegister(
+ const RegisterInfo *reg_info, const RegisterValue &value) {
+ // Not supported yet. We could easily add support for this by remembering
+ // the address of each entry (it would need to be part of the cursor)
+ return false;
}
-bool
-RegisterContextMacOSXFrameBackchain::ReadAllRegisterValues (lldb::DataBufferSP &data_sp)
-{
- // libunwind frames can't handle this it doesn't always have all register
- // values. This call should only be called on frame zero anyway so there
- // shouldn't be any problem
- return false;
+bool RegisterContextMacOSXFrameBackchain::ReadAllRegisterValues(
+ lldb::DataBufferSP &data_sp) {
+ // libunwind frames can't handle this it doesn't always have all register
+ // values. This call should only be called on frame zero anyway so there
+ // shouldn't be any problem
+ return false;
}
-bool
-RegisterContextMacOSXFrameBackchain::WriteAllRegisterValues (const lldb::DataBufferSP &data_sp)
-{
- // Since this class doesn't respond to "ReadAllRegisterValues()", it must
- // not have been the one that saved all the register values. So we just let
- // the thread's register context (the register context for frame zero) do
- // the writing.
- return m_thread.GetRegisterContext()->WriteAllRegisterValues(data_sp);
+bool RegisterContextMacOSXFrameBackchain::WriteAllRegisterValues(
+ const lldb::DataBufferSP &data_sp) {
+ // Since this class doesn't respond to "ReadAllRegisterValues()", it must
+ // not have been the one that saved all the register values. So we just let
+ // the thread's register context (the register context for frame zero) do
+ // the writing.
+ return m_thread.GetRegisterContext()->WriteAllRegisterValues(data_sp);
}
-
uint32_t
-RegisterContextMacOSXFrameBackchain::ConvertRegisterKindToRegisterNumber (lldb::RegisterKind kind, uint32_t num)
-{
- return m_thread.GetRegisterContext()->ConvertRegisterKindToRegisterNumber (kind, num);
+RegisterContextMacOSXFrameBackchain::ConvertRegisterKindToRegisterNumber(
+ lldb::RegisterKind kind, uint32_t num) {
+ return m_thread.GetRegisterContext()->ConvertRegisterKindToRegisterNumber(
+ kind, num);
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 20:24:44 +0000