forked from OSchip/llvm-project
1483 lines
46 KiB
C++
1483 lines
46 KiB
C++
//===-- SymbolContext.cpp ---------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Symbol/SymbolContext.h"
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#include "lldb/Core/Log.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Host/StringConvert.h"
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#include "lldb/Symbol/Block.h"
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#include "lldb/Symbol/ClangASTContext.h"
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#include "lldb/Symbol/CompileUnit.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Symbol/Symbol.h"
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#include "lldb/Symbol/SymbolFile.h"
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#include "lldb/Symbol/SymbolVendor.h"
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#include "lldb/Symbol/Variable.h"
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#include "lldb/Target/Target.h"
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using namespace lldb;
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using namespace lldb_private;
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SymbolContext::SymbolContext() :
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target_sp (),
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module_sp (),
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comp_unit (nullptr),
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function (nullptr),
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block (nullptr),
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line_entry (),
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symbol (nullptr),
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variable (nullptr)
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{
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}
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SymbolContext::SymbolContext(const ModuleSP& m, CompileUnit *cu, Function *f, Block *b, LineEntry *le, Symbol *s) :
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target_sp (),
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module_sp (m),
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comp_unit (cu),
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function (f),
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block (b),
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line_entry (),
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symbol (s),
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variable (nullptr)
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{
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if (le)
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line_entry = *le;
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}
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SymbolContext::SymbolContext(const TargetSP &t, const ModuleSP& m, CompileUnit *cu, Function *f, Block *b, LineEntry *le, Symbol *s) :
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target_sp (t),
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module_sp (m),
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comp_unit (cu),
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function (f),
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block (b),
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line_entry (),
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symbol (s),
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variable (nullptr)
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{
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if (le)
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line_entry = *le;
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}
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SymbolContext::SymbolContext(const SymbolContext& rhs) :
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target_sp (rhs.target_sp),
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module_sp (rhs.module_sp),
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comp_unit (rhs.comp_unit),
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function (rhs.function),
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block (rhs.block),
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line_entry (rhs.line_entry),
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symbol (rhs.symbol),
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variable (rhs.variable)
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{
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}
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SymbolContext::SymbolContext (SymbolContextScope *sc_scope) :
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target_sp (),
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module_sp (),
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comp_unit (nullptr),
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function (nullptr),
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block (nullptr),
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line_entry (),
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symbol (nullptr),
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variable (nullptr)
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{
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sc_scope->CalculateSymbolContext (this);
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}
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SymbolContext::~SymbolContext ()
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{
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}
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const SymbolContext&
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SymbolContext::operator= (const SymbolContext& rhs)
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{
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if (this != &rhs)
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{
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target_sp = rhs.target_sp;
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module_sp = rhs.module_sp;
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comp_unit = rhs.comp_unit;
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function = rhs.function;
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block = rhs.block;
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line_entry = rhs.line_entry;
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symbol = rhs.symbol;
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variable = rhs.variable;
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}
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return *this;
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}
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void
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SymbolContext::Clear(bool clear_target)
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{
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if (clear_target)
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target_sp.reset();
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module_sp.reset();
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comp_unit = nullptr;
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function = nullptr;
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block = nullptr;
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line_entry.Clear();
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symbol = nullptr;
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variable = nullptr;
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}
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bool
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SymbolContext::DumpStopContext (
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Stream *s,
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ExecutionContextScope *exe_scope,
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const Address &addr,
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bool show_fullpaths,
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bool show_module,
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bool show_inlined_frames,
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bool show_function_arguments,
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bool show_function_name
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) const
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{
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bool dumped_something = false;
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if (show_module && module_sp)
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{
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if (show_fullpaths)
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*s << module_sp->GetFileSpec();
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else
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*s << module_sp->GetFileSpec().GetFilename();
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s->PutChar('`');
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dumped_something = true;
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}
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if (function != nullptr)
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{
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SymbolContext inline_parent_sc;
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Address inline_parent_addr;
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if (show_function_name == false)
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{
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s->Printf("<");
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dumped_something = true;
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}
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else
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{
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ConstString name;
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if (show_function_arguments == false)
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name = function->GetNameNoArguments();
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if (!name)
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name = function->GetName();
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if (name)
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name.Dump(s);
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}
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if (addr.IsValid())
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{
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const addr_t function_offset = addr.GetOffset() - function->GetAddressRange().GetBaseAddress().GetOffset();
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if (show_function_name == false)
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{
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// Print +offset even if offset is 0
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dumped_something = true;
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s->Printf("+%" PRIu64 ">", function_offset);
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}
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else if (function_offset)
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{
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dumped_something = true;
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s->Printf(" + %" PRIu64, function_offset);
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}
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}
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if (GetParentOfInlinedScope (addr, inline_parent_sc, inline_parent_addr))
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{
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dumped_something = true;
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Block *inlined_block = block->GetContainingInlinedBlock();
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const InlineFunctionInfo* inlined_block_info = inlined_block->GetInlinedFunctionInfo();
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s->Printf (" [inlined] %s", inlined_block_info->GetName(function->GetLanguage()).GetCString());
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lldb_private::AddressRange block_range;
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if (inlined_block->GetRangeContainingAddress(addr, block_range))
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{
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const addr_t inlined_function_offset = addr.GetOffset() - block_range.GetBaseAddress().GetOffset();
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if (inlined_function_offset)
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{
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s->Printf(" + %" PRIu64, inlined_function_offset);
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}
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}
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const Declaration &call_site = inlined_block_info->GetCallSite();
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if (call_site.IsValid())
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{
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s->PutCString(" at ");
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call_site.DumpStopContext (s, show_fullpaths);
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}
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if (show_inlined_frames)
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{
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s->EOL();
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s->Indent();
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const bool show_function_name = true;
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return inline_parent_sc.DumpStopContext (s, exe_scope, inline_parent_addr, show_fullpaths, show_module, show_inlined_frames, show_function_arguments, show_function_name);
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}
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}
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else
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{
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if (line_entry.IsValid())
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{
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dumped_something = true;
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s->PutCString(" at ");
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if (line_entry.DumpStopContext(s, show_fullpaths))
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dumped_something = true;
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}
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}
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}
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else if (symbol != nullptr)
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{
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if (show_function_name == false)
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{
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s->Printf("<");
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dumped_something = true;
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}
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else if (symbol->GetName())
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{
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dumped_something = true;
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if (symbol->GetType() == eSymbolTypeTrampoline)
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s->PutCString("symbol stub for: ");
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symbol->GetName().Dump(s);
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}
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if (addr.IsValid() && symbol->ValueIsAddress())
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{
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const addr_t symbol_offset = addr.GetOffset() - symbol->GetAddressRef().GetOffset();
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if (show_function_name == false)
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{
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// Print +offset even if offset is 0
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dumped_something = true;
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s->Printf("+%" PRIu64 ">", symbol_offset);
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}
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else if (symbol_offset)
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{
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dumped_something = true;
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s->Printf(" + %" PRIu64, symbol_offset);
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}
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}
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}
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else if (addr.IsValid())
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{
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addr.Dump(s, exe_scope, Address::DumpStyleModuleWithFileAddress);
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dumped_something = true;
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}
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return dumped_something;
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}
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void
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SymbolContext::GetDescription(Stream *s, lldb::DescriptionLevel level, Target *target) const
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{
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if (module_sp)
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{
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s->Indent(" Module: file = \"");
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module_sp->GetFileSpec().Dump(s);
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*s << '"';
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if (module_sp->GetArchitecture().IsValid())
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s->Printf (", arch = \"%s\"", module_sp->GetArchitecture().GetArchitectureName());
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s->EOL();
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}
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if (comp_unit != nullptr)
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{
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s->Indent("CompileUnit: ");
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comp_unit->GetDescription (s, level);
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s->EOL();
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}
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if (function != nullptr)
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{
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s->Indent(" Function: ");
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function->GetDescription (s, level, target);
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s->EOL();
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Type *func_type = function->GetType();
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if (func_type)
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{
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s->Indent(" FuncType: ");
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func_type->GetDescription (s, level, false);
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s->EOL();
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}
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}
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if (block != nullptr)
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{
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std::vector<Block *> blocks;
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blocks.push_back (block);
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Block *parent_block = block->GetParent();
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while (parent_block)
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{
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blocks.push_back (parent_block);
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parent_block = parent_block->GetParent();
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}
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std::vector<Block *>::reverse_iterator pos;
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std::vector<Block *>::reverse_iterator begin = blocks.rbegin();
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std::vector<Block *>::reverse_iterator end = blocks.rend();
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for (pos = begin; pos != end; ++pos)
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{
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if (pos == begin)
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s->Indent(" Blocks: ");
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else
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s->Indent(" ");
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(*pos)->GetDescription(s, function, level, target);
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s->EOL();
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}
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}
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if (line_entry.IsValid())
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{
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s->Indent(" LineEntry: ");
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line_entry.GetDescription (s, level, comp_unit, target, false);
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s->EOL();
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}
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if (symbol != nullptr)
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{
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s->Indent(" Symbol: ");
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symbol->GetDescription(s, level, target);
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s->EOL();
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}
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if (variable != nullptr)
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{
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s->Indent(" Variable: ");
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s->Printf("id = {0x%8.8" PRIx64 "}, ", variable->GetID());
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switch (variable->GetScope())
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{
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case eValueTypeVariableGlobal:
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s->PutCString("kind = global, ");
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break;
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case eValueTypeVariableStatic:
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s->PutCString("kind = static, ");
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break;
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case eValueTypeVariableArgument:
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s->PutCString("kind = argument, ");
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break;
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case eValueTypeVariableLocal:
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s->PutCString("kind = local, ");
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break;
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default:
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break;
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}
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s->Printf ("name = \"%s\"\n", variable->GetName().GetCString());
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}
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}
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uint32_t
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SymbolContext::GetResolvedMask () const
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{
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uint32_t resolved_mask = 0;
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if (target_sp) resolved_mask |= eSymbolContextTarget;
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if (module_sp) resolved_mask |= eSymbolContextModule;
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if (comp_unit) resolved_mask |= eSymbolContextCompUnit;
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if (function) resolved_mask |= eSymbolContextFunction;
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if (block) resolved_mask |= eSymbolContextBlock;
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if (line_entry.IsValid()) resolved_mask |= eSymbolContextLineEntry;
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if (symbol) resolved_mask |= eSymbolContextSymbol;
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if (variable) resolved_mask |= eSymbolContextVariable;
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return resolved_mask;
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}
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void
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SymbolContext::Dump(Stream *s, Target *target) const
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{
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*s << this << ": ";
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s->Indent();
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s->PutCString("SymbolContext");
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s->IndentMore();
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s->EOL();
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s->IndentMore();
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s->Indent();
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*s << "Module = " << module_sp.get() << ' ';
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if (module_sp)
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module_sp->GetFileSpec().Dump(s);
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s->EOL();
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s->Indent();
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*s << "CompileUnit = " << comp_unit;
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if (comp_unit != nullptr)
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*s << " {0x" << comp_unit->GetID() << "} " << *(static_cast<FileSpec*> (comp_unit));
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s->EOL();
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s->Indent();
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*s << "Function = " << function;
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if (function != nullptr)
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{
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*s << " {0x" << function->GetID() << "} " << function->GetType()->GetName() << ", address-range = ";
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function->GetAddressRange().Dump(s, target, Address::DumpStyleLoadAddress, Address::DumpStyleModuleWithFileAddress);
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s->EOL();
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s->Indent();
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Type* func_type = function->GetType();
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if (func_type)
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{
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*s << " Type = ";
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func_type->Dump (s, false);
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}
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}
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s->EOL();
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s->Indent();
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*s << "Block = " << block;
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if (block != nullptr)
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*s << " {0x" << block->GetID() << '}';
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// Dump the block and pass it a negative depth to we print all the parent blocks
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//if (block != NULL)
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// block->Dump(s, function->GetFileAddress(), INT_MIN);
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s->EOL();
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s->Indent();
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*s << "LineEntry = ";
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line_entry.Dump (s, target, true, Address::DumpStyleLoadAddress, Address::DumpStyleModuleWithFileAddress, true);
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s->EOL();
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s->Indent();
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*s << "Symbol = " << symbol;
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if (symbol != nullptr && symbol->GetMangled())
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*s << ' ' << symbol->GetName().AsCString();
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s->EOL();
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*s << "Variable = " << variable;
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if (variable != nullptr)
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{
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*s << " {0x" << variable->GetID() << "} " << variable->GetType()->GetName();
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s->EOL();
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}
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s->IndentLess();
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s->IndentLess();
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}
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bool
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lldb_private::operator== (const SymbolContext& lhs, const SymbolContext& rhs)
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{
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return lhs.function == rhs.function
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&& lhs.symbol == rhs.symbol
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&& lhs.module_sp.get() == rhs.module_sp.get()
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&& lhs.comp_unit == rhs.comp_unit
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&& lhs.target_sp.get() == rhs.target_sp.get()
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&& LineEntry::Compare(lhs.line_entry, rhs.line_entry) == 0
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&& lhs.variable == rhs.variable;
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}
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bool
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lldb_private::operator!= (const SymbolContext& lhs, const SymbolContext& rhs)
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{
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return lhs.function != rhs.function
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|| lhs.symbol != rhs.symbol
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|| lhs.module_sp.get() != rhs.module_sp.get()
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|| lhs.comp_unit != rhs.comp_unit
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|| lhs.target_sp.get() != rhs.target_sp.get()
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|| LineEntry::Compare(lhs.line_entry, rhs.line_entry) != 0
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|| lhs.variable != rhs.variable;
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}
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bool
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SymbolContext::GetAddressRange (uint32_t scope,
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uint32_t range_idx,
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bool use_inline_block_range,
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AddressRange &range) const
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{
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if ((scope & eSymbolContextLineEntry) && line_entry.IsValid())
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{
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range = line_entry.range;
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return true;
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}
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if ((scope & eSymbolContextBlock) && (block != nullptr))
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{
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if (use_inline_block_range)
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{
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Block *inline_block = block->GetContainingInlinedBlock();
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if (inline_block)
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return inline_block->GetRangeAtIndex (range_idx, range);
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}
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else
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{
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return block->GetRangeAtIndex (range_idx, range);
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}
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}
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if ((scope & eSymbolContextFunction) && (function != nullptr))
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{
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if (range_idx == 0)
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{
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range = function->GetAddressRange();
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return true;
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}
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}
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if ((scope & eSymbolContextSymbol) && (symbol != nullptr))
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{
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if (range_idx == 0)
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{
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if (symbol->ValueIsAddress())
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{
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range.GetBaseAddress() = symbol->GetAddressRef();
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range.SetByteSize (symbol->GetByteSize());
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return true;
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}
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}
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}
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range.Clear();
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return false;
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}
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LanguageType
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SymbolContext::GetLanguage () const
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{
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LanguageType lang;
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if (function &&
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(lang = function->GetLanguage()) != eLanguageTypeUnknown)
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{
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return lang;
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}
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else if (variable &&
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(lang = variable->GetLanguage()) != eLanguageTypeUnknown)
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{
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return lang;
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}
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else if (symbol &&
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(lang = symbol->GetLanguage()) != eLanguageTypeUnknown)
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{
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return lang;
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}
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else if (comp_unit &&
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(lang = comp_unit->GetLanguage()) != eLanguageTypeUnknown)
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{
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return lang;
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}
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else if (symbol)
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{
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// If all else fails, try to guess the language from the name.
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return symbol->GetMangled().GuessLanguage();
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}
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return eLanguageTypeUnknown;
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|
}
|
|
|
|
bool
|
|
SymbolContext::GetParentOfInlinedScope (const Address &curr_frame_pc,
|
|
SymbolContext &next_frame_sc,
|
|
Address &next_frame_pc) const
|
|
{
|
|
next_frame_sc.Clear(false);
|
|
next_frame_pc.Clear();
|
|
|
|
if (block)
|
|
{
|
|
//const addr_t curr_frame_file_addr = curr_frame_pc.GetFileAddress();
|
|
|
|
// In order to get the parent of an inlined function we first need to
|
|
// see if we are in an inlined block as "this->block" could be an
|
|
// inlined block, or a parent of "block" could be. So lets check if
|
|
// this block or one of this blocks parents is an inlined function.
|
|
Block *curr_inlined_block = block->GetContainingInlinedBlock();
|
|
if (curr_inlined_block)
|
|
{
|
|
// "this->block" is contained in an inline function block, so to
|
|
// get the scope above the inlined block, we get the parent of the
|
|
// inlined block itself
|
|
Block *next_frame_block = curr_inlined_block->GetParent();
|
|
// Now calculate the symbol context of the containing block
|
|
next_frame_block->CalculateSymbolContext (&next_frame_sc);
|
|
|
|
// If we get here we weren't able to find the return line entry using the nesting of the blocks and
|
|
// the line table. So just use the call site info from our inlined block.
|
|
|
|
AddressRange range;
|
|
if (curr_inlined_block->GetRangeContainingAddress (curr_frame_pc, range))
|
|
{
|
|
// To see there this new frame block it, we need to look at the
|
|
// call site information from
|
|
const InlineFunctionInfo* curr_inlined_block_inlined_info = curr_inlined_block->GetInlinedFunctionInfo();
|
|
next_frame_pc = range.GetBaseAddress();
|
|
next_frame_sc.line_entry.range.GetBaseAddress() = next_frame_pc;
|
|
next_frame_sc.line_entry.file = curr_inlined_block_inlined_info->GetCallSite().GetFile();
|
|
next_frame_sc.line_entry.line = curr_inlined_block_inlined_info->GetCallSite().GetLine();
|
|
next_frame_sc.line_entry.column = curr_inlined_block_inlined_info->GetCallSite().GetColumn();
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SYMBOLS));
|
|
|
|
if (log)
|
|
{
|
|
log->Printf ("warning: inlined block 0x%8.8" PRIx64 " doesn't have a range that contains file address 0x%" PRIx64,
|
|
curr_inlined_block->GetID(), curr_frame_pc.GetFileAddress());
|
|
}
|
|
#ifdef LLDB_CONFIGURATION_DEBUG
|
|
else
|
|
{
|
|
ObjectFile *objfile = NULL;
|
|
if (module_sp)
|
|
{
|
|
SymbolVendor *symbol_vendor = module_sp->GetSymbolVendor();
|
|
if (symbol_vendor)
|
|
{
|
|
SymbolFile *symbol_file = symbol_vendor->GetSymbolFile();
|
|
if (symbol_file)
|
|
objfile = symbol_file->GetObjectFile();
|
|
}
|
|
}
|
|
if (objfile)
|
|
{
|
|
Host::SystemLog (Host::eSystemLogWarning,
|
|
"warning: inlined block 0x%8.8" PRIx64 " doesn't have a range that contains file address 0x%" PRIx64 " in %s\n",
|
|
curr_inlined_block->GetID(),
|
|
curr_frame_pc.GetFileAddress(),
|
|
objfile->GetFileSpec().GetPath().c_str());
|
|
}
|
|
else
|
|
{
|
|
Host::SystemLog (Host::eSystemLogWarning,
|
|
"warning: inlined block 0x%8.8" PRIx64 " doesn't have a range that contains file address 0x%" PRIx64 "\n",
|
|
curr_inlined_block->GetID(),
|
|
curr_frame_pc.GetFileAddress());
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
Block *
|
|
SymbolContext::GetFunctionBlock ()
|
|
{
|
|
if (function)
|
|
{
|
|
if (block)
|
|
{
|
|
// If this symbol context has a block, check to see if this block
|
|
// is itself, or is contained within a block with inlined function
|
|
// information. If so, then the inlined block is the block that
|
|
// defines the function.
|
|
Block *inlined_block = block->GetContainingInlinedBlock();
|
|
if (inlined_block)
|
|
return inlined_block;
|
|
|
|
// The block in this symbol context is not inside an inlined
|
|
// block, so the block that defines the function is the function's
|
|
// top level block, which is returned below.
|
|
}
|
|
|
|
// There is no block information in this symbol context, so we must
|
|
// assume that the block that is desired is the top level block of
|
|
// the function itself.
|
|
return &function->GetBlock(true);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
SymbolContext::GetFunctionMethodInfo (lldb::LanguageType &language,
|
|
bool &is_instance_method,
|
|
ConstString &language_object_name)
|
|
|
|
|
|
{
|
|
Block *function_block = GetFunctionBlock();
|
|
if (function_block)
|
|
{
|
|
CompilerDeclContext decl_ctx = function_block->GetDeclContext();
|
|
if (decl_ctx)
|
|
return decl_ctx.IsClassMethod(&language, &is_instance_method, &language_object_name);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void
|
|
SymbolContext::SortTypeList(TypeMap &type_map, TypeList &type_list) const
|
|
{
|
|
Block * curr_block = block;
|
|
bool isInlinedblock = false;
|
|
if (curr_block != nullptr && curr_block->GetContainingInlinedBlock() != nullptr)
|
|
isInlinedblock = true;
|
|
|
|
//----------------------------------------------------------------------
|
|
// Find all types that match the current block if we have one and put
|
|
// them first in the list. Keep iterating up through all blocks.
|
|
//----------------------------------------------------------------------
|
|
while (curr_block != nullptr && !isInlinedblock)
|
|
{
|
|
type_map.ForEach([curr_block, &type_list](const lldb::TypeSP& type_sp) -> bool {
|
|
SymbolContextScope *scs = type_sp->GetSymbolContextScope();
|
|
if (scs && curr_block == scs->CalculateSymbolContextBlock())
|
|
type_list.Insert(type_sp);
|
|
return true; // Keep iterating
|
|
});
|
|
|
|
// Remove any entries that are now in "type_list" from "type_map"
|
|
// since we can't remove from type_map while iterating
|
|
type_list.ForEach([&type_map](const lldb::TypeSP& type_sp) -> bool {
|
|
type_map.Remove(type_sp);
|
|
return true; // Keep iterating
|
|
});
|
|
curr_block = curr_block->GetParent();
|
|
}
|
|
//----------------------------------------------------------------------
|
|
// Find all types that match the current function, if we have onem, and
|
|
// put them next in the list.
|
|
//----------------------------------------------------------------------
|
|
if (function != nullptr && !type_map.Empty())
|
|
{
|
|
const size_t old_type_list_size = type_list.GetSize();
|
|
type_map.ForEach([this, &type_list](const lldb::TypeSP& type_sp) -> bool {
|
|
SymbolContextScope *scs = type_sp->GetSymbolContextScope();
|
|
if (scs && function == scs->CalculateSymbolContextFunction())
|
|
type_list.Insert(type_sp);
|
|
return true; // Keep iterating
|
|
});
|
|
|
|
// Remove any entries that are now in "type_list" from "type_map"
|
|
// since we can't remove from type_map while iterating
|
|
const size_t new_type_list_size = type_list.GetSize();
|
|
if (new_type_list_size > old_type_list_size)
|
|
{
|
|
for (size_t i=old_type_list_size; i<new_type_list_size; ++i)
|
|
type_map.Remove(type_list.GetTypeAtIndex(i));
|
|
}
|
|
}
|
|
//----------------------------------------------------------------------
|
|
// Find all types that match the current compile unit, if we have one,
|
|
// and put them next in the list.
|
|
//----------------------------------------------------------------------
|
|
if (comp_unit != nullptr && !type_map.Empty())
|
|
{
|
|
const size_t old_type_list_size = type_list.GetSize();
|
|
|
|
type_map.ForEach([this, &type_list](const lldb::TypeSP& type_sp) -> bool {
|
|
SymbolContextScope *scs = type_sp->GetSymbolContextScope();
|
|
if (scs && comp_unit == scs->CalculateSymbolContextCompileUnit())
|
|
type_list.Insert(type_sp);
|
|
return true; // Keep iterating
|
|
});
|
|
|
|
// Remove any entries that are now in "type_list" from "type_map"
|
|
// since we can't remove from type_map while iterating
|
|
const size_t new_type_list_size = type_list.GetSize();
|
|
if (new_type_list_size > old_type_list_size)
|
|
{
|
|
for (size_t i=old_type_list_size; i<new_type_list_size; ++i)
|
|
type_map.Remove(type_list.GetTypeAtIndex(i));
|
|
}
|
|
}
|
|
//----------------------------------------------------------------------
|
|
// Find all types that match the current module, if we have one, and put
|
|
// them next in the list.
|
|
//----------------------------------------------------------------------
|
|
if (module_sp && !type_map.Empty())
|
|
{
|
|
const size_t old_type_list_size = type_list.GetSize();
|
|
type_map.ForEach([this, &type_list](const lldb::TypeSP& type_sp) -> bool {
|
|
SymbolContextScope *scs = type_sp->GetSymbolContextScope();
|
|
if (scs && module_sp == scs->CalculateSymbolContextModule())
|
|
type_list.Insert(type_sp);
|
|
return true; // Keep iterating
|
|
});
|
|
// Remove any entries that are now in "type_list" from "type_map"
|
|
// since we can't remove from type_map while iterating
|
|
const size_t new_type_list_size = type_list.GetSize();
|
|
if (new_type_list_size > old_type_list_size)
|
|
{
|
|
for (size_t i=old_type_list_size; i<new_type_list_size; ++i)
|
|
type_map.Remove(type_list.GetTypeAtIndex(i));
|
|
}
|
|
}
|
|
//----------------------------------------------------------------------
|
|
// Any types that are left get copied into the list an any order.
|
|
//----------------------------------------------------------------------
|
|
if (!type_map.Empty())
|
|
{
|
|
type_map.ForEach([&type_list](const lldb::TypeSP& type_sp) -> bool {
|
|
type_list.Insert(type_sp);
|
|
return true; // Keep iterating
|
|
});
|
|
}
|
|
}
|
|
|
|
ConstString
|
|
SymbolContext::GetFunctionName (Mangled::NamePreference preference) const
|
|
{
|
|
if (function)
|
|
{
|
|
if (block)
|
|
{
|
|
Block *inlined_block = block->GetContainingInlinedBlock();
|
|
|
|
if (inlined_block)
|
|
{
|
|
const InlineFunctionInfo *inline_info = inlined_block->GetInlinedFunctionInfo();
|
|
if (inline_info)
|
|
return inline_info->GetName(function->GetLanguage());
|
|
}
|
|
}
|
|
return function->GetMangled().GetName(function->GetLanguage(), preference);
|
|
}
|
|
else if (symbol && symbol->ValueIsAddress())
|
|
{
|
|
return symbol->GetMangled().GetName(symbol->GetLanguage(), preference);
|
|
}
|
|
else
|
|
{
|
|
// No function, return an empty string.
|
|
return ConstString();
|
|
}
|
|
}
|
|
|
|
LineEntry
|
|
SymbolContext::GetFunctionStartLineEntry () const
|
|
{
|
|
LineEntry line_entry;
|
|
Address start_addr;
|
|
if (block)
|
|
{
|
|
Block *inlined_block = block->GetContainingInlinedBlock();
|
|
if (inlined_block)
|
|
{
|
|
if (inlined_block->GetStartAddress (start_addr))
|
|
{
|
|
if (start_addr.CalculateSymbolContextLineEntry (line_entry))
|
|
return line_entry;
|
|
}
|
|
return LineEntry();
|
|
}
|
|
}
|
|
|
|
if (function)
|
|
{
|
|
if (function->GetAddressRange().GetBaseAddress().CalculateSymbolContextLineEntry(line_entry))
|
|
return line_entry;
|
|
}
|
|
return LineEntry();
|
|
}
|
|
|
|
bool
|
|
SymbolContext::GetAddressRangeFromHereToEndLine(uint32_t end_line, AddressRange &range, Error &error)
|
|
{
|
|
if (!line_entry.IsValid())
|
|
{
|
|
error.SetErrorString("Symbol context has no line table.");
|
|
return false;
|
|
}
|
|
|
|
range = line_entry.range;
|
|
if (line_entry.line > end_line)
|
|
{
|
|
error.SetErrorStringWithFormat("end line option %d must be after the current line: %d",
|
|
end_line,
|
|
line_entry.line);
|
|
return false;
|
|
}
|
|
|
|
uint32_t line_index = 0;
|
|
bool found = false;
|
|
while (1)
|
|
{
|
|
LineEntry this_line;
|
|
line_index = comp_unit->FindLineEntry(line_index, line_entry.line, nullptr, false, &this_line);
|
|
if (line_index == UINT32_MAX)
|
|
break;
|
|
if (LineEntry::Compare(this_line, line_entry) == 0)
|
|
{
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
LineEntry end_entry;
|
|
if (!found)
|
|
{
|
|
// Can't find the index of the SymbolContext's line entry in the SymbolContext's CompUnit.
|
|
error.SetErrorString("Can't find the current line entry in the CompUnit - can't process "
|
|
"the end-line option");
|
|
return false;
|
|
}
|
|
|
|
line_index = comp_unit->FindLineEntry(line_index, end_line, nullptr, false, &end_entry);
|
|
if (line_index == UINT32_MAX)
|
|
{
|
|
error.SetErrorStringWithFormat("could not find a line table entry corresponding "
|
|
"to end line number %d",
|
|
end_line);
|
|
return false;
|
|
}
|
|
|
|
Block *func_block = GetFunctionBlock();
|
|
if (func_block && func_block->GetRangeIndexContainingAddress(end_entry.range.GetBaseAddress()) == UINT32_MAX)
|
|
{
|
|
error.SetErrorStringWithFormat("end line number %d is not contained within the current function.",
|
|
end_line);
|
|
return false;
|
|
}
|
|
|
|
lldb::addr_t range_size = end_entry.range.GetBaseAddress().GetFileAddress()
|
|
- range.GetBaseAddress().GetFileAddress();
|
|
range.SetByteSize(range_size);
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// SymbolContextSpecifier
|
|
//
|
|
//----------------------------------------------------------------------
|
|
|
|
SymbolContextSpecifier::SymbolContextSpecifier (const TargetSP &target_sp) :
|
|
m_target_sp (target_sp),
|
|
m_module_spec (),
|
|
m_module_sp (),
|
|
m_file_spec_ap (),
|
|
m_start_line (0),
|
|
m_end_line (0),
|
|
m_function_spec (),
|
|
m_class_name (),
|
|
m_address_range_ap (),
|
|
m_type (eNothingSpecified)
|
|
{
|
|
}
|
|
|
|
SymbolContextSpecifier::~SymbolContextSpecifier()
|
|
{
|
|
}
|
|
|
|
bool
|
|
SymbolContextSpecifier::AddLineSpecification (uint32_t line_no, SpecificationType type)
|
|
{
|
|
bool return_value = true;
|
|
switch (type)
|
|
{
|
|
case eNothingSpecified:
|
|
Clear();
|
|
break;
|
|
case eLineStartSpecified:
|
|
m_start_line = line_no;
|
|
m_type |= eLineStartSpecified;
|
|
break;
|
|
case eLineEndSpecified:
|
|
m_end_line = line_no;
|
|
m_type |= eLineEndSpecified;
|
|
break;
|
|
default:
|
|
return_value = false;
|
|
break;
|
|
}
|
|
return return_value;
|
|
}
|
|
|
|
bool
|
|
SymbolContextSpecifier::AddSpecification (const char *spec_string, SpecificationType type)
|
|
{
|
|
bool return_value = true;
|
|
switch (type)
|
|
{
|
|
case eNothingSpecified:
|
|
Clear();
|
|
break;
|
|
case eModuleSpecified:
|
|
{
|
|
// See if we can find the Module, if so stick it in the SymbolContext.
|
|
FileSpec module_file_spec(spec_string, false);
|
|
ModuleSpec module_spec (module_file_spec);
|
|
lldb::ModuleSP module_sp (m_target_sp->GetImages().FindFirstModule (module_spec));
|
|
m_type |= eModuleSpecified;
|
|
if (module_sp)
|
|
m_module_sp = module_sp;
|
|
else
|
|
m_module_spec.assign (spec_string);
|
|
}
|
|
break;
|
|
case eFileSpecified:
|
|
// CompUnits can't necessarily be resolved here, since an inlined function might show up in
|
|
// a number of CompUnits. Instead we just convert to a FileSpec and store it away.
|
|
m_file_spec_ap.reset (new FileSpec (spec_string, false));
|
|
m_type |= eFileSpecified;
|
|
break;
|
|
case eLineStartSpecified:
|
|
m_start_line = StringConvert::ToSInt32(spec_string, 0, 0, &return_value);
|
|
if (return_value)
|
|
m_type |= eLineStartSpecified;
|
|
break;
|
|
case eLineEndSpecified:
|
|
m_end_line = StringConvert::ToSInt32(spec_string, 0, 0, &return_value);
|
|
if (return_value)
|
|
m_type |= eLineEndSpecified;
|
|
break;
|
|
case eFunctionSpecified:
|
|
m_function_spec.assign(spec_string);
|
|
m_type |= eFunctionSpecified;
|
|
break;
|
|
case eClassOrNamespaceSpecified:
|
|
Clear();
|
|
m_class_name.assign (spec_string);
|
|
m_type = eClassOrNamespaceSpecified;
|
|
break;
|
|
case eAddressRangeSpecified:
|
|
// Not specified yet...
|
|
break;
|
|
}
|
|
|
|
return return_value;
|
|
}
|
|
|
|
void
|
|
SymbolContextSpecifier::Clear()
|
|
{
|
|
m_module_spec.clear();
|
|
m_file_spec_ap.reset();
|
|
m_function_spec.clear();
|
|
m_class_name.clear();
|
|
m_start_line = 0;
|
|
m_end_line = 0;
|
|
m_address_range_ap.reset();
|
|
|
|
m_type = eNothingSpecified;
|
|
}
|
|
|
|
bool
|
|
SymbolContextSpecifier::SymbolContextMatches(SymbolContext &sc)
|
|
{
|
|
if (m_type == eNothingSpecified)
|
|
return true;
|
|
|
|
if (m_target_sp.get() != sc.target_sp.get())
|
|
return false;
|
|
|
|
if (m_type & eModuleSpecified)
|
|
{
|
|
if (sc.module_sp)
|
|
{
|
|
if (m_module_sp.get() != nullptr)
|
|
{
|
|
if (m_module_sp.get() != sc.module_sp.get())
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
FileSpec module_file_spec (m_module_spec.c_str(), false);
|
|
if (!FileSpec::Equal (module_file_spec, sc.module_sp->GetFileSpec(), false))
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
if (m_type & eFileSpecified)
|
|
{
|
|
if (m_file_spec_ap.get())
|
|
{
|
|
// If we don't have a block or a comp_unit, then we aren't going to match a source file.
|
|
if (sc.block == nullptr && sc.comp_unit == nullptr)
|
|
return false;
|
|
|
|
// Check if the block is present, and if so is it inlined:
|
|
bool was_inlined = false;
|
|
if (sc.block != nullptr)
|
|
{
|
|
const InlineFunctionInfo *inline_info = sc.block->GetInlinedFunctionInfo();
|
|
if (inline_info != nullptr)
|
|
{
|
|
was_inlined = true;
|
|
if (!FileSpec::Equal (inline_info->GetDeclaration().GetFile(), *(m_file_spec_ap.get()), false))
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Next check the comp unit, but only if the SymbolContext was not inlined.
|
|
if (!was_inlined && sc.comp_unit != nullptr)
|
|
{
|
|
if (!FileSpec::Equal (*(sc.comp_unit), *(m_file_spec_ap.get()), false))
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
if (m_type & eLineStartSpecified
|
|
|| m_type & eLineEndSpecified)
|
|
{
|
|
if (sc.line_entry.line < m_start_line || sc.line_entry.line > m_end_line)
|
|
return false;
|
|
}
|
|
|
|
if (m_type & eFunctionSpecified)
|
|
{
|
|
// First check the current block, and if it is inlined, get the inlined function name:
|
|
bool was_inlined = false;
|
|
ConstString func_name(m_function_spec.c_str());
|
|
|
|
if (sc.block != nullptr)
|
|
{
|
|
const InlineFunctionInfo *inline_info = sc.block->GetInlinedFunctionInfo();
|
|
if (inline_info != nullptr)
|
|
{
|
|
was_inlined = true;
|
|
const Mangled &name = inline_info->GetMangled();
|
|
if (!name.NameMatches (func_name, sc.function->GetLanguage()))
|
|
return false;
|
|
}
|
|
}
|
|
// If it wasn't inlined, check the name in the function or symbol:
|
|
if (!was_inlined)
|
|
{
|
|
if (sc.function != nullptr)
|
|
{
|
|
if (!sc.function->GetMangled().NameMatches(func_name, sc.function->GetLanguage()))
|
|
return false;
|
|
}
|
|
else if (sc.symbol != nullptr)
|
|
{
|
|
if (!sc.symbol->GetMangled().NameMatches(func_name, sc.symbol->GetLanguage()))
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
SymbolContextSpecifier::AddressMatches(lldb::addr_t addr)
|
|
{
|
|
if (m_type & eAddressRangeSpecified)
|
|
{
|
|
|
|
}
|
|
else
|
|
{
|
|
Address match_address (addr, nullptr);
|
|
SymbolContext sc;
|
|
m_target_sp->GetImages().ResolveSymbolContextForAddress(match_address, eSymbolContextEverything, sc);
|
|
return SymbolContextMatches(sc);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void
|
|
SymbolContextSpecifier::GetDescription (Stream *s, lldb::DescriptionLevel level) const
|
|
{
|
|
char path_str[PATH_MAX + 1];
|
|
|
|
if (m_type == eNothingSpecified)
|
|
{
|
|
s->Printf ("Nothing specified.\n");
|
|
}
|
|
|
|
if (m_type == eModuleSpecified)
|
|
{
|
|
s->Indent();
|
|
if (m_module_sp)
|
|
{
|
|
m_module_sp->GetFileSpec().GetPath (path_str, PATH_MAX);
|
|
s->Printf ("Module: %s\n", path_str);
|
|
}
|
|
else
|
|
s->Printf ("Module: %s\n", m_module_spec.c_str());
|
|
}
|
|
|
|
if (m_type == eFileSpecified && m_file_spec_ap.get() != nullptr)
|
|
{
|
|
m_file_spec_ap->GetPath (path_str, PATH_MAX);
|
|
s->Indent();
|
|
s->Printf ("File: %s", path_str);
|
|
if (m_type == eLineStartSpecified)
|
|
{
|
|
s->Printf (" from line %" PRIu64 "", (uint64_t)m_start_line);
|
|
if (m_type == eLineEndSpecified)
|
|
s->Printf ("to line %" PRIu64 "", (uint64_t)m_end_line);
|
|
else
|
|
s->Printf ("to end");
|
|
}
|
|
else if (m_type == eLineEndSpecified)
|
|
{
|
|
s->Printf (" from start to line %" PRIu64 "", (uint64_t)m_end_line);
|
|
}
|
|
s->Printf (".\n");
|
|
}
|
|
|
|
if (m_type == eLineStartSpecified)
|
|
{
|
|
s->Indent();
|
|
s->Printf ("From line %" PRIu64 "", (uint64_t)m_start_line);
|
|
if (m_type == eLineEndSpecified)
|
|
s->Printf ("to line %" PRIu64 "", (uint64_t)m_end_line);
|
|
else
|
|
s->Printf ("to end");
|
|
s->Printf (".\n");
|
|
}
|
|
else if (m_type == eLineEndSpecified)
|
|
{
|
|
s->Printf ("From start to line %" PRIu64 ".\n", (uint64_t)m_end_line);
|
|
}
|
|
|
|
if (m_type == eFunctionSpecified)
|
|
{
|
|
s->Indent();
|
|
s->Printf ("Function: %s.\n", m_function_spec.c_str());
|
|
}
|
|
|
|
if (m_type == eClassOrNamespaceSpecified)
|
|
{
|
|
s->Indent();
|
|
s->Printf ("Class name: %s.\n", m_class_name.c_str());
|
|
}
|
|
|
|
if (m_type == eAddressRangeSpecified && m_address_range_ap.get() != nullptr)
|
|
{
|
|
s->Indent();
|
|
s->PutCString ("Address range: ");
|
|
m_address_range_ap->Dump (s, m_target_sp.get(), Address::DumpStyleLoadAddress, Address::DumpStyleFileAddress);
|
|
s->PutCString ("\n");
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// SymbolContextList
|
|
//
|
|
//----------------------------------------------------------------------
|
|
|
|
|
|
SymbolContextList::SymbolContextList() :
|
|
m_symbol_contexts()
|
|
{
|
|
}
|
|
|
|
SymbolContextList::~SymbolContextList()
|
|
{
|
|
}
|
|
|
|
void
|
|
SymbolContextList::Append(const SymbolContext& sc)
|
|
{
|
|
m_symbol_contexts.push_back(sc);
|
|
}
|
|
|
|
void
|
|
SymbolContextList::Append (const SymbolContextList& sc_list)
|
|
{
|
|
collection::const_iterator pos, end = sc_list.m_symbol_contexts.end();
|
|
for (pos = sc_list.m_symbol_contexts.begin(); pos != end; ++pos)
|
|
m_symbol_contexts.push_back (*pos);
|
|
}
|
|
|
|
|
|
uint32_t
|
|
SymbolContextList::AppendIfUnique (const SymbolContextList& sc_list, bool merge_symbol_into_function)
|
|
{
|
|
uint32_t unique_sc_add_count = 0;
|
|
collection::const_iterator pos, end = sc_list.m_symbol_contexts.end();
|
|
for (pos = sc_list.m_symbol_contexts.begin(); pos != end; ++pos)
|
|
{
|
|
if (AppendIfUnique (*pos, merge_symbol_into_function))
|
|
++unique_sc_add_count;
|
|
}
|
|
return unique_sc_add_count;
|
|
}
|
|
|
|
bool
|
|
SymbolContextList::AppendIfUnique (const SymbolContext& sc, bool merge_symbol_into_function)
|
|
{
|
|
collection::iterator pos, end = m_symbol_contexts.end();
|
|
for (pos = m_symbol_contexts.begin(); pos != end; ++pos)
|
|
{
|
|
if (*pos == sc)
|
|
return false;
|
|
}
|
|
if (merge_symbol_into_function
|
|
&& sc.symbol != nullptr
|
|
&& sc.comp_unit == nullptr
|
|
&& sc.function == nullptr
|
|
&& sc.block == nullptr
|
|
&& sc.line_entry.IsValid() == false)
|
|
{
|
|
if (sc.symbol->ValueIsAddress())
|
|
{
|
|
for (pos = m_symbol_contexts.begin(); pos != end; ++pos)
|
|
{
|
|
// Don't merge symbols into inlined function symbol contexts
|
|
if (pos->block && pos->block->GetContainingInlinedBlock())
|
|
continue;
|
|
|
|
if (pos->function)
|
|
{
|
|
if (pos->function->GetAddressRange().GetBaseAddress() == sc.symbol->GetAddressRef())
|
|
{
|
|
// Do we already have a function with this symbol?
|
|
if (pos->symbol == sc.symbol)
|
|
return false;
|
|
if (pos->symbol == nullptr)
|
|
{
|
|
pos->symbol = sc.symbol;
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
m_symbol_contexts.push_back(sc);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
SymbolContextList::MergeSymbolContextIntoFunctionContext (const SymbolContext& symbol_sc,
|
|
uint32_t start_idx,
|
|
uint32_t stop_idx)
|
|
{
|
|
if (symbol_sc.symbol != nullptr
|
|
&& symbol_sc.comp_unit == nullptr
|
|
&& symbol_sc.function == nullptr
|
|
&& symbol_sc.block == nullptr
|
|
&& symbol_sc.line_entry.IsValid() == false)
|
|
{
|
|
if (symbol_sc.symbol->ValueIsAddress())
|
|
{
|
|
const size_t end = std::min<size_t>(m_symbol_contexts.size(), stop_idx);
|
|
for (size_t i=start_idx; i<end; ++i)
|
|
{
|
|
const SymbolContext &function_sc = m_symbol_contexts[i];
|
|
// Don't merge symbols into inlined function symbol contexts
|
|
if (function_sc.block && function_sc.block->GetContainingInlinedBlock())
|
|
continue;
|
|
|
|
if (function_sc.function)
|
|
{
|
|
if (function_sc.function->GetAddressRange().GetBaseAddress() == symbol_sc.symbol->GetAddressRef())
|
|
{
|
|
// Do we already have a function with this symbol?
|
|
if (function_sc.symbol == symbol_sc.symbol)
|
|
return true; // Already have a symbol context with this symbol, return true
|
|
|
|
if (function_sc.symbol == nullptr)
|
|
{
|
|
// We successfully merged this symbol into an existing symbol context
|
|
m_symbol_contexts[i].symbol = symbol_sc.symbol;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void
|
|
SymbolContextList::Clear()
|
|
{
|
|
m_symbol_contexts.clear();
|
|
}
|
|
|
|
void
|
|
SymbolContextList::Dump(Stream *s, Target *target) const
|
|
{
|
|
|
|
*s << this << ": ";
|
|
s->Indent();
|
|
s->PutCString("SymbolContextList");
|
|
s->EOL();
|
|
s->IndentMore();
|
|
|
|
collection::const_iterator pos, end = m_symbol_contexts.end();
|
|
for (pos = m_symbol_contexts.begin(); pos != end; ++pos)
|
|
{
|
|
//pos->Dump(s, target);
|
|
pos->GetDescription(s, eDescriptionLevelVerbose, target);
|
|
}
|
|
s->IndentLess();
|
|
}
|
|
|
|
bool
|
|
SymbolContextList::GetContextAtIndex(size_t idx, SymbolContext& sc) const
|
|
{
|
|
if (idx < m_symbol_contexts.size())
|
|
{
|
|
sc = m_symbol_contexts[idx];
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
SymbolContextList::GetLastContext(SymbolContext& sc) const
|
|
{
|
|
if (!m_symbol_contexts.empty())
|
|
{
|
|
sc = m_symbol_contexts.back();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
SymbolContextList::RemoveContextAtIndex (size_t idx)
|
|
{
|
|
if (idx < m_symbol_contexts.size())
|
|
{
|
|
m_symbol_contexts.erase(m_symbol_contexts.begin() + idx);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
uint32_t
|
|
SymbolContextList::GetSize() const
|
|
{
|
|
return m_symbol_contexts.size();
|
|
}
|
|
|
|
uint32_t
|
|
SymbolContextList::NumLineEntriesWithLine (uint32_t line) const
|
|
{
|
|
uint32_t match_count = 0;
|
|
const size_t size = m_symbol_contexts.size();
|
|
for (size_t idx = 0; idx<size; ++idx)
|
|
{
|
|
if (m_symbol_contexts[idx].line_entry.line == line)
|
|
++match_count;
|
|
}
|
|
return match_count;
|
|
}
|
|
|
|
void
|
|
SymbolContextList::GetDescription(Stream *s,
|
|
lldb::DescriptionLevel level,
|
|
Target *target) const
|
|
{
|
|
const size_t size = m_symbol_contexts.size();
|
|
for (size_t idx = 0; idx<size; ++idx)
|
|
m_symbol_contexts[idx].GetDescription (s, level, target);
|
|
}
|
|
|
|
bool
|
|
lldb_private::operator== (const SymbolContextList& lhs, const SymbolContextList& rhs)
|
|
{
|
|
const uint32_t size = lhs.GetSize();
|
|
if (size != rhs.GetSize())
|
|
return false;
|
|
|
|
SymbolContext lhs_sc;
|
|
SymbolContext rhs_sc;
|
|
for (uint32_t i=0; i<size; ++i)
|
|
{
|
|
lhs.GetContextAtIndex(i, lhs_sc);
|
|
rhs.GetContextAtIndex(i, rhs_sc);
|
|
if (lhs_sc != rhs_sc)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
lldb_private::operator!= (const SymbolContextList& lhs, const SymbolContextList& rhs)
|
|
{
|
|
return !(lhs == rhs);
|
|
}
|
|
|