llvm-project/lldb/scripts/interface/SBFrame.i

408 lines
16 KiB
C++

//===-- SWIG Interface for SBFrame ------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
namespace lldb {
%feature("docstring",
"Represents one of the stack frames associated with a thread.
SBThread contains SBFrame(s). For example (from test/lldbutil.py),
def print_stacktrace(thread, string_buffer = False):
'''Prints a simple stack trace of this thread.'''
...
for i in range(depth):
frame = thread.GetFrameAtIndex(i)
function = frame.GetFunction()
load_addr = addrs[i].GetLoadAddress(target)
if not function:
file_addr = addrs[i].GetFileAddress()
start_addr = frame.GetSymbol().GetStartAddress().GetFileAddress()
symbol_offset = file_addr - start_addr
print >> output, ' frame #{num}: {addr:#016x} {mod}`{symbol} + {offset}'.format(
num=i, addr=load_addr, mod=mods[i], symbol=symbols[i], offset=symbol_offset)
else:
print >> output, ' frame #{num}: {addr:#016x} {mod}`{func} at {file}:{line} {args}'.format(
num=i, addr=load_addr, mod=mods[i],
func='%s [inlined]' % funcs[i] if frame.IsInlined() else funcs[i],
file=files[i], line=lines[i],
args=get_args_as_string(frame, showFuncName=False) if not frame.IsInlined() else '()')
...
And,
for frame in thread:
print frame
See also SBThread."
) SBFrame;
class SBFrame
{
public:
SBFrame ();
SBFrame (const lldb::SBFrame &rhs);
~SBFrame();
bool
IsEqual (const lldb::SBFrame &rhs) const;
bool
IsValid() const;
uint32_t
GetFrameID () const;
%feature("docstring", "
Get the Canonical Frame Address for this stack frame.
This is the DWARF standard's definition of a CFA, a stack address
that remains constant throughout the lifetime of the function.
Returns an lldb::addr_t stack address, or LLDB_INVALID_ADDRESS if
the CFA cannot be determined.") GetCFA;
lldb::addr_t
GetCFA () const;
lldb::addr_t
GetPC () const;
bool
SetPC (lldb::addr_t new_pc);
lldb::addr_t
GetSP () const;
lldb::addr_t
GetFP () const;
lldb::SBAddress
GetPCAddress () const;
lldb::SBSymbolContext
GetSymbolContext (uint32_t resolve_scope) const;
lldb::SBModule
GetModule () const;
lldb::SBCompileUnit
GetCompileUnit () const;
lldb::SBFunction
GetFunction () const;
lldb::SBSymbol
GetSymbol () const;
%feature("docstring", "
/// Gets the deepest block that contains the frame PC.
///
/// See also GetFrameBlock().
") GetBlock;
lldb::SBBlock
GetBlock () const;
%feature("docstring", "
/// Get the appropriate function name for this frame. Inlined functions in
/// LLDB are represented by Blocks that have inlined function information, so
/// just looking at the SBFunction or SBSymbol for a frame isn't enough.
/// This function will return the appropriate function, symbol or inlined
/// function name for the frame.
///
/// This function returns:
/// - the name of the inlined function (if there is one)
/// - the name of the concrete function (if there is one)
/// - the name of the symbol (if there is one)
/// - NULL
///
/// See also IsInlined().
") GetFunctionName;
const char *
GetFunctionName();
const char *
GetDisplayFunctionName ();
const char *
GetFunctionName() const;
%feature("docstring", "
/// Return true if this frame represents an inlined function.
///
/// See also GetFunctionName().
") IsInlined;
bool
IsInlined();
bool
IsInlined() const;
%feature("docstring", "
/// The version that doesn't supply a 'use_dynamic' value will use the
/// target's default.
") EvaluateExpression;
lldb::SBValue
EvaluateExpression (const char *expr);
lldb::SBValue
EvaluateExpression (const char *expr, lldb::DynamicValueType use_dynamic);
lldb::SBValue
EvaluateExpression (const char *expr, lldb::DynamicValueType use_dynamic, bool unwind_on_error);
lldb::SBValue
EvaluateExpression (const char *expr, SBExpressionOptions &options);
%feature("docstring", "
/// Gets the lexical block that defines the stack frame. Another way to think
/// of this is it will return the block that contains all of the variables
/// for a stack frame. Inlined functions are represented as SBBlock objects
/// that have inlined function information: the name of the inlined function,
/// where it was called from. The block that is returned will be the first
/// block at or above the block for the PC (SBFrame::GetBlock()) that defines
/// the scope of the frame. When a function contains no inlined functions,
/// this will be the top most lexical block that defines the function.
/// When a function has inlined functions and the PC is currently
/// in one of those inlined functions, this method will return the inlined
/// block that defines this frame. If the PC isn't currently in an inlined
/// function, the lexical block that defines the function is returned.
") GetFrameBlock;
lldb::SBBlock
GetFrameBlock () const;
lldb::SBLineEntry
GetLineEntry () const;
lldb::SBThread
GetThread () const;
const char *
Disassemble () const;
void
Clear();
#ifndef SWIG
bool
operator == (const lldb::SBFrame &rhs) const;
bool
operator != (const lldb::SBFrame &rhs) const;
#endif
%feature("docstring", "
/// The version that doesn't supply a 'use_dynamic' value will use the
/// target's default.
") GetVariables;
lldb::SBValueList
GetVariables (bool arguments,
bool locals,
bool statics,
bool in_scope_only);
lldb::SBValueList
GetVariables (bool arguments,
bool locals,
bool statics,
bool in_scope_only,
lldb::DynamicValueType use_dynamic);
lldb::SBValueList
GetVariables (const lldb::SBVariablesOptions& options);
lldb::SBValueList
GetRegisters ();
%feature("docstring", "
/// The version that doesn't supply a 'use_dynamic' value will use the
/// target's default.
") FindVariable;
lldb::SBValue
FindVariable (const char *var_name);
lldb::SBValue
FindVariable (const char *var_name, lldb::DynamicValueType use_dynamic);
lldb::SBValue
FindRegister (const char *name);
%feature("docstring", "
/// Get a lldb.SBValue for a variable path.
///
/// Variable paths can include access to pointer or instance members:
/// rect_ptr->origin.y
/// pt.x
/// Pointer dereferences:
/// *this->foo_ptr
/// **argv
/// Address of:
/// &pt
/// &my_array[3].x
/// Array accesses and treating pointers as arrays:
/// int_array[1]
/// pt_ptr[22].x
///
/// Unlike EvaluateExpression() which returns lldb.SBValue objects
/// with constant copies of the values at the time of evaluation,
/// the result of this function is a value that will continue to
/// track the current value of the value as execution progresses
/// in the current frame.
") GetValueForVariablePath;
lldb::SBValue
GetValueForVariablePath (const char *var_path);
lldb::SBValue
GetValueForVariablePath (const char *var_path, lldb::DynamicValueType use_dynamic);
%feature("docstring", "
/// Find variables, register sets, registers, or persistent variables using
/// the frame as the scope.
///
/// The version that doesn't supply a 'use_dynamic' value will use the
/// target's default.
") FindValue;
lldb::SBValue
FindValue (const char *name, ValueType value_type);
lldb::SBValue
FindValue (const char *name, ValueType value_type, lldb::DynamicValueType use_dynamic);
bool
GetDescription (lldb::SBStream &description);
%pythoncode %{
def get_all_variables(self):
return self.GetVariables(True,True,True,True)
def get_parent_frame(self):
parent_idx = self.idx + 1
if parent_idx >= 0 and parent_idx < len(self.thread.frame):
return self.thread.frame[parent_idx]
else:
return SBFrame()
def get_arguments(self):
return self.GetVariables(True,False,False,False)
def get_locals(self):
return self.GetVariables(False,True,False,False)
def get_statics(self):
return self.GetVariables(False,False,True,False)
def var(self, var_expr_path):
'''Calls through to lldb.SBFrame.GetValueForVariablePath() and returns
a value that represents the variable expression path'''
return self.GetValueForVariablePath(var_expr_path)
def get_registers_access(self):
class registers_access(object):
'''A helper object that exposes a flattened view of registers, masking away the notion of register sets for easy scripting.'''
def __init__(self, regs):
self.regs = regs
def __getitem__(self, key):
if type(key) is str:
for i in range(0,len(self.regs)):
rs = self.regs[i]
for j in range (0,rs.num_children):
reg = rs.GetChildAtIndex(j)
if reg.name == key: return reg
else:
return lldb.SBValue()
return registers_access(self.registers)
__swig_getmethods__["pc"] = GetPC
__swig_setmethods__["pc"] = SetPC
if _newclass: pc = property(GetPC, SetPC)
__swig_getmethods__["addr"] = GetPCAddress
if _newclass: addr = property(GetPCAddress, None, doc='''A read only property that returns the program counter (PC) as a section offset address (lldb.SBAddress).''')
__swig_getmethods__["fp"] = GetFP
if _newclass: fp = property(GetFP, None, doc='''A read only property that returns the frame pointer (FP) as an unsigned integer.''')
__swig_getmethods__["sp"] = GetSP
if _newclass: sp = property(GetSP, None, doc='''A read only property that returns the stack pointer (SP) as an unsigned integer.''')
__swig_getmethods__["module"] = GetModule
if _newclass: module = property(GetModule, None, doc='''A read only property that returns an lldb object that represents the module (lldb.SBModule) for this stack frame.''')
__swig_getmethods__["compile_unit"] = GetCompileUnit
if _newclass: compile_unit = property(GetCompileUnit, None, doc='''A read only property that returns an lldb object that represents the compile unit (lldb.SBCompileUnit) for this stack frame.''')
__swig_getmethods__["function"] = GetFunction
if _newclass: function = property(GetFunction, None, doc='''A read only property that returns an lldb object that represents the function (lldb.SBFunction) for this stack frame.''')
__swig_getmethods__["symbol"] = GetSymbol
if _newclass: symbol = property(GetSymbol, None, doc='''A read only property that returns an lldb object that represents the symbol (lldb.SBSymbol) for this stack frame.''')
__swig_getmethods__["block"] = GetBlock
if _newclass: block = property(GetBlock, None, doc='''A read only property that returns an lldb object that represents the block (lldb.SBBlock) for this stack frame.''')
__swig_getmethods__["is_inlined"] = IsInlined
if _newclass: is_inlined = property(IsInlined, None, doc='''A read only property that returns an boolean that indicates if the block frame is an inlined function.''')
__swig_getmethods__["name"] = GetFunctionName
if _newclass: name = property(GetFunctionName, None, doc='''A read only property that retuns the name for the function that this frame represents. Inlined stack frame might have a concrete function that differs from the name of the inlined function (a named lldb.SBBlock).''')
__swig_getmethods__["line_entry"] = GetLineEntry
if _newclass: line_entry = property(GetLineEntry, None, doc='''A read only property that returns an lldb object that represents the line table entry (lldb.SBLineEntry) for this stack frame.''')
__swig_getmethods__["thread"] = GetThread
if _newclass: thread = property(GetThread, None, doc='''A read only property that returns an lldb object that represents the thread (lldb.SBThread) for this stack frame.''')
__swig_getmethods__["disassembly"] = Disassemble
if _newclass: disassembly = property(Disassemble, None, doc='''A read only property that returns the disassembly for this stack frame as a python string.''')
__swig_getmethods__["idx"] = GetFrameID
if _newclass: idx = property(GetFrameID, None, doc='''A read only property that returns the zero based stack frame index.''')
__swig_getmethods__["variables"] = get_all_variables
if _newclass: variables = property(get_all_variables, None, doc='''A read only property that returns a list() that contains a collection of lldb.SBValue objects that represent the variables in this stack frame.''')
__swig_getmethods__["vars"] = get_all_variables
if _newclass: vars = property(get_all_variables, None, doc='''A read only property that returns a list() that contains a collection of lldb.SBValue objects that represent the variables in this stack frame.''')
__swig_getmethods__["locals"] = get_locals
if _newclass: locals = property(get_locals, None, doc='''A read only property that returns a list() that contains a collection of lldb.SBValue objects that represent the local variables in this stack frame.''')
__swig_getmethods__["args"] = get_arguments
if _newclass: args = property(get_arguments, None, doc='''A read only property that returns a list() that contains a collection of lldb.SBValue objects that represent the argument variables in this stack frame.''')
__swig_getmethods__["arguments"] = get_arguments
if _newclass: arguments = property(get_arguments, None, doc='''A read only property that returns a list() that contains a collection of lldb.SBValue objects that represent the argument variables in this stack frame.''')
__swig_getmethods__["statics"] = get_statics
if _newclass: statics = property(get_statics, None, doc='''A read only property that returns a list() that contains a collection of lldb.SBValue objects that represent the static variables in this stack frame.''')
__swig_getmethods__["registers"] = GetRegisters
if _newclass: registers = property(GetRegisters, None, doc='''A read only property that returns a list() that contains a collection of lldb.SBValue objects that represent the CPU registers for this stack frame.''')
__swig_getmethods__["regs"] = GetRegisters
if _newclass: regs = property(GetRegisters, None, doc='''A read only property that returns a list() that contains a collection of lldb.SBValue objects that represent the CPU registers for this stack frame.''')
__swig_getmethods__["register"] = get_registers_access
if _newclass: register = property(get_registers_access, None, doc='''A read only property that returns an helper object providing a flattened indexable view of the CPU registers for this stack frame.''')
__swig_getmethods__["reg"] = get_registers_access
if _newclass: reg = property(get_registers_access, None, doc='''A read only property that returns an helper object providing a flattened indexable view of the CPU registers for this stack frame''')
__swig_getmethods__["parent"] = get_parent_frame
if _newclass: parent = property(get_parent_frame, None, doc='''A read only property that returns the parent (caller) frame of the current frame.''')
%}
};
} // namespace lldb