diff options
Diffstat (limited to 'include/lldb/Symbol/UnwindPlan.h')
| -rw-r--r-- | include/lldb/Symbol/UnwindPlan.h | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/include/lldb/Symbol/UnwindPlan.h b/include/lldb/Symbol/UnwindPlan.h index 2b49acaafa041..fa41ba5d056ad 100644 --- a/include/lldb/Symbol/UnwindPlan.h +++ b/include/lldb/Symbol/UnwindPlan.h @@ -201,7 +201,8 @@ public: unspecified, // not specified isRegisterPlusOffset, // FA = register + offset isRegisterDereferenced, // FA = [reg] - isDWARFExpression // FA = eval(dwarf_expr) + isDWARFExpression, // FA = eval(dwarf_expr) + isRaSearch, // FA = SP + offset + ??? }; FAValue() : m_type(unspecified), m_value() {} @@ -214,6 +215,11 @@ public: bool IsUnspecified() const { return m_type == unspecified; } + void SetRaSearch(int32_t offset) { + m_type = isRaSearch; + m_value.ra_search_offset = offset; + } + bool IsRegisterPlusOffset() const { return m_type == isRegisterPlusOffset; } @@ -250,9 +256,14 @@ public: ValueType GetValueType() const { return m_type; } int32_t GetOffset() const { - if (m_type == isRegisterPlusOffset) - return m_value.reg.offset; - return 0; + switch (m_type) { + case isRegisterPlusOffset: + return m_value.reg.offset; + case isRaSearch: + return m_value.ra_search_offset; + default: + return 0; + } } void IncOffset(int32_t delta) { @@ -304,6 +315,8 @@ public: const uint8_t *opcodes; uint16_t length; } expr; + // For m_type == isRaSearch + int32_t ra_search_offset; } m_value; }; // class FAValue @@ -370,6 +383,7 @@ public: m_return_addr_register(LLDB_INVALID_REGNUM), m_source_name(), m_plan_is_sourced_from_compiler(eLazyBoolCalculate), m_plan_is_valid_at_all_instruction_locations(eLazyBoolCalculate), + m_plan_is_for_signal_trap(eLazyBoolCalculate), m_lsda_address(), m_personality_func_addr() {} // Performs a deep copy of the plan, including all the rows (expensive). @@ -463,6 +477,17 @@ public: m_plan_is_valid_at_all_instruction_locations = valid_at_all_insn; } + // Is this UnwindPlan for a signal trap frame? If so, then its saved pc + // may have been set manually by the signal dispatch code and therefore + // not follow a call to the child frame. + lldb_private::LazyBool GetUnwindPlanForSignalTrap() const { + return m_plan_is_for_signal_trap; + } + + void SetUnwindPlanForSignalTrap(lldb_private::LazyBool is_for_signal_trap) { + m_plan_is_for_signal_trap = is_for_signal_trap; + } + int GetRowCount() const; void Clear() { @@ -472,6 +497,7 @@ public: m_source_name.Clear(); m_plan_is_sourced_from_compiler = eLazyBoolCalculate; m_plan_is_valid_at_all_instruction_locations = eLazyBoolCalculate; + m_plan_is_for_signal_trap = eLazyBoolCalculate; m_lsda_address.Clear(); m_personality_func_addr.Clear(); } @@ -502,6 +528,7 @@ private: m_source_name; // for logging, where this UnwindPlan originated from lldb_private::LazyBool m_plan_is_sourced_from_compiler; lldb_private::LazyBool m_plan_is_valid_at_all_instruction_locations; + lldb_private::LazyBool m_plan_is_for_signal_trap; Address m_lsda_address; // Where the language specific data area exists in the // module - used |