llvm-project/lldb/source/API/SBFrame.cpp
Greg Clayton c982c768d2 Merged Eli Friedman's linux build changes where he added Makefile files that
enabled LLVM make style building and made this compile LLDB on Mac OS X. We
can now iterate on this to make the build work on both linux and macosx.

llvm-svn: 108009
2010-07-09 20:39:50 +00:00

398 lines
10 KiB
C++

//===-- SBFrame.cpp ---------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/API/SBFrame.h"
#include <string>
#include <algorithm>
#include "lldb/lldb-types.h"
#include "lldb/Core/Address.h"
#include "lldb/Core/ConstString.h"
#include "lldb/Core/Stream.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Core/ValueObjectRegister.h"
#include "lldb/Core/ValueObjectVariable.h"
#include "lldb/Symbol/Block.h"
#include "lldb/Symbol/SymbolContext.h"
#include "lldb/Symbol/VariableList.h"
#include "lldb/Symbol/Variable.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Thread.h"
#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBValue.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBSymbolContext.h"
#include "lldb/API/SBThread.h"
using namespace lldb;
using namespace lldb_private;
SBFrame::SBFrame () :
m_opaque_sp ()
{
}
SBFrame::SBFrame (const lldb::StackFrameSP &lldb_object_sp) :
m_opaque_sp (lldb_object_sp)
{
}
SBFrame::~SBFrame()
{
}
void
SBFrame::SetFrame (const lldb::StackFrameSP &lldb_object_sp)
{
m_opaque_sp = lldb_object_sp;
}
bool
SBFrame::IsValid() const
{
return (m_opaque_sp.get() != NULL);
}
SBSymbolContext
SBFrame::GetSymbolContext (uint32_t resolve_scope) const
{
SBSymbolContext sb_sym_ctx;
if (m_opaque_sp)
sb_sym_ctx.SetSymbolContext(&m_opaque_sp->GetSymbolContext (resolve_scope));
return sb_sym_ctx;
}
SBModule
SBFrame::GetModule () const
{
SBModule sb_module (m_opaque_sp->GetSymbolContext (eSymbolContextModule).module_sp);
return sb_module;
}
SBCompileUnit
SBFrame::GetCompileUnit () const
{
SBCompileUnit sb_comp_unit(m_opaque_sp->GetSymbolContext (eSymbolContextCompUnit).comp_unit);
return sb_comp_unit;
}
SBFunction
SBFrame::GetFunction () const
{
SBFunction sb_function(m_opaque_sp->GetSymbolContext (eSymbolContextFunction).function);
return sb_function;
}
SBBlock
SBFrame::GetBlock () const
{
SBBlock sb_block(m_opaque_sp->GetSymbolContext (eSymbolContextBlock).block);
return sb_block;
}
SBLineEntry
SBFrame::GetLineEntry () const
{
SBLineEntry sb_line_entry(&m_opaque_sp->GetSymbolContext (eSymbolContextLineEntry).line_entry);
return sb_line_entry;
}
uint32_t
SBFrame::GetFrameID () const
{
if (m_opaque_sp)
return m_opaque_sp->GetID();
else
return UINT32_MAX;
}
lldb::addr_t
SBFrame::GetPC () const
{
if (m_opaque_sp)
return m_opaque_sp->GetPC().GetLoadAddress (&m_opaque_sp->GetThread().GetProcess());
return LLDB_INVALID_ADDRESS;
}
bool
SBFrame::SetPC (lldb::addr_t new_pc)
{
if (m_opaque_sp)
return m_opaque_sp->GetRegisterContext()->SetPC (new_pc);
return false;
}
lldb::addr_t
SBFrame::GetSP () const
{
if (m_opaque_sp)
return m_opaque_sp->GetRegisterContext()->GetSP();
return LLDB_INVALID_ADDRESS;
}
lldb::addr_t
SBFrame::GetFP () const
{
if (m_opaque_sp)
return m_opaque_sp->GetRegisterContext()->GetFP();
return LLDB_INVALID_ADDRESS;
}
SBAddress
SBFrame::GetPCAddress () const
{
SBAddress sb_addr;
if (m_opaque_sp)
sb_addr.SetAddress (&m_opaque_sp->GetPC());
return sb_addr;
}
void
SBFrame::Clear()
{
m_opaque_sp.reset();
}
SBValue
SBFrame::LookupVar (const char *var_name)
{
lldb::VariableSP var_sp;
if (IsValid ())
{
lldb_private::VariableList variable_list;
SBSymbolContext sc = GetSymbolContext (eSymbolContextEverything);
SBBlock block = sc.GetBlock();
if (block.IsValid())
block.AppendVariables (true, true, &variable_list);
const uint32_t num_variables = variable_list.GetSize();
bool found = false;
for (uint32_t i = 0; i < num_variables && !found; ++i)
{
var_sp = variable_list.GetVariableAtIndex(i);
if (var_sp
&& (var_sp.get()->GetName() == lldb_private::ConstString(var_name)))
found = true;
}
if (!found)
var_sp.reset();
}
SBValue sb_value (ValueObjectSP (new ValueObjectVariable (var_sp)));
return sb_value;
}
SBValue
SBFrame::LookupVarInScope (const char *var_name, const char *scope)
{
lldb::VariableSP var_sp;
if (IsValid())
{
std::string scope_str = scope;
lldb::ValueType var_scope = eValueTypeInvalid;
// Convert scope_str to be all lowercase;
std::transform (scope_str.begin(), scope_str.end(), scope_str.begin(), ::tolower);
if (scope_str.compare ("global") == 0)
var_scope = eValueTypeVariableGlobal;
else if (scope_str.compare ("local") == 0)
var_scope = eValueTypeVariableLocal;
else if (scope_str.compare ("parameter") == 0)
var_scope = eValueTypeVariableArgument;
if (var_scope != eValueTypeInvalid)
{
lldb_private::VariableList variable_list;
SBSymbolContext sc = GetSymbolContext (eSymbolContextEverything);
SBBlock block = sc.GetBlock();
if (block.IsValid())
block.AppendVariables (true, true, &variable_list);
const uint32_t num_variables = variable_list.GetSize();
bool found = false;
for (uint32_t i = 0; i < num_variables && !found; ++i)
{
var_sp = variable_list.GetVariableAtIndex(i);
if (var_sp
&& (var_sp.get()->GetName() == lldb_private::ConstString(var_name))
&& var_sp.get()->GetScope() == var_scope)
found = true;
}
if (!found)
var_sp.reset();
}
}
SBValue sb_value (ValueObjectSP (new ValueObjectVariable (var_sp)));
return sb_value;
}
bool
SBFrame::operator == (const SBFrame &rhs) const
{
return m_opaque_sp.get() == rhs.m_opaque_sp.get();
}
bool
SBFrame::operator != (const SBFrame &rhs) const
{
return m_opaque_sp.get() != rhs.m_opaque_sp.get();
}
lldb_private::StackFrame *
SBFrame::operator->() const
{
return m_opaque_sp.get();
}
lldb_private::StackFrame *
SBFrame::get() const
{
return m_opaque_sp.get();
}
SBThread
SBFrame::GetThread () const
{
SBThread sb_thread (m_opaque_sp->GetThread().GetSP());
return sb_thread;
}
const char *
SBFrame::Disassemble () const
{
if (m_opaque_sp)
return m_opaque_sp->Disassemble();
return NULL;
}
lldb_private::StackFrame *
SBFrame::GetLLDBObjectPtr ()
{
return m_opaque_sp.get();
}
SBValueList
SBFrame::GetVariables (bool arguments,
bool locals,
bool statics,
bool in_scope_only)
{
SBValueList value_list;
if (m_opaque_sp)
{
size_t i;
VariableList *variable_list = m_opaque_sp->GetVariableList();
if (variable_list)
{
const size_t num_variables = variable_list->GetSize();
if (num_variables)
{
for (i = 0; i < num_variables; ++i)
{
VariableSP variable_sp (variable_list->GetVariableAtIndex(i));
if (variable_sp)
{
bool add_variable = false;
switch (variable_sp->GetScope())
{
case eValueTypeVariableGlobal:
case eValueTypeVariableStatic:
add_variable = statics;
break;
case eValueTypeVariableArgument:
add_variable = arguments;
break;
case eValueTypeVariableLocal:
add_variable = locals;
break;
default:
break;
}
if (add_variable)
{
if (in_scope_only && !variable_sp->IsInScope(m_opaque_sp.get()))
continue;
value_list.Append(ValueObjectSP (new ValueObjectVariable (variable_sp)));
}
}
}
}
}
if (statics)
{
CompileUnit *frame_comp_unit = m_opaque_sp->GetSymbolContext (eSymbolContextCompUnit).comp_unit;
if (frame_comp_unit)
{
variable_list = frame_comp_unit->GetVariableList(true).get();
if (variable_list)
{
const size_t num_variables = variable_list->GetSize();
if (num_variables)
{
for (i = 0; i < num_variables; ++i)
{
VariableSP variable_sp (variable_list->GetVariableAtIndex(i));
if (variable_sp)
{
value_list.Append(ValueObjectSP (new ValueObjectVariable (variable_sp)));
}
}
}
}
}
}
}
return value_list;
}
lldb::SBValueList
SBFrame::GetRegisters ()
{
SBValueList value_list;
if (m_opaque_sp)
{
RegisterContext *reg_ctx = m_opaque_sp->GetRegisterContext();
if (reg_ctx)
{
const uint32_t num_sets = reg_ctx->GetRegisterSetCount();
for (uint32_t set_idx = 0; set_idx < num_sets; ++set_idx)
{
value_list.Append(ValueObjectSP (new ValueObjectRegisterSet (reg_ctx, set_idx)));
}
}
}
return value_list;
}