| //===-- StackID.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/Target/StackID.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Core/Stream.h" |
| #include "lldb/Symbol/Block.h" |
| #include "lldb/Symbol/Symbol.h" |
| #include "lldb/Symbol/SymbolContext.h" |
| |
| using namespace lldb_private; |
| |
| |
| void |
| StackID::Dump (Stream *s) |
| { |
| s->Printf("StackID (pc = 0x%16.16llx, cfa = 0x%16.16llx, symbol_scope = %p", (uint64_t)m_pc, (uint64_t)m_cfa, m_symbol_scope); |
| if (m_symbol_scope) |
| { |
| SymbolContext sc; |
| |
| m_symbol_scope->CalculateSymbolContext (&sc); |
| if (sc.block) |
| s->Printf(" (Block {0x%8.8llx})", sc.block->GetID()); |
| else if (sc.symbol) |
| s->Printf(" (Symbol{0x%8.8x})", sc.symbol->GetID()); |
| } |
| s->PutCString(") "); |
| } |
| |
| bool |
| lldb_private::operator== (const StackID& lhs, const StackID& rhs) |
| { |
| if (lhs.GetCallFrameAddress() != rhs.GetCallFrameAddress()) |
| return false; |
| |
| SymbolContextScope *lhs_scope = lhs.GetSymbolContextScope(); |
| SymbolContextScope *rhs_scope = rhs.GetSymbolContextScope(); |
| |
| // Only compare the PC values if both symbol context scopes are NULL |
| if (lhs_scope == NULL && rhs_scope == NULL) |
| return lhs.GetPC() == rhs.GetPC(); |
| |
| return lhs_scope == rhs_scope; |
| } |
| |
| bool |
| lldb_private::operator!= (const StackID& lhs, const StackID& rhs) |
| { |
| if (lhs.GetCallFrameAddress() != rhs.GetCallFrameAddress()) |
| return true; |
| |
| SymbolContextScope *lhs_scope = lhs.GetSymbolContextScope(); |
| SymbolContextScope *rhs_scope = rhs.GetSymbolContextScope(); |
| |
| if (lhs_scope == NULL && rhs_scope == NULL) |
| return lhs.GetPC() != rhs.GetPC(); |
| |
| return lhs_scope != rhs_scope; |
| } |
| |
| bool |
| lldb_private::operator< (const StackID& lhs, const StackID& rhs) |
| { |
| const lldb::addr_t lhs_cfa = lhs.GetCallFrameAddress(); |
| const lldb::addr_t rhs_cfa = rhs.GetCallFrameAddress(); |
| |
| if (lhs_cfa != rhs_cfa) |
| return lhs_cfa < rhs_cfa; |
| |
| SymbolContextScope *lhs_scope = lhs.GetSymbolContextScope(); |
| SymbolContextScope *rhs_scope = rhs.GetSymbolContextScope(); |
| |
| if (lhs_scope != NULL && rhs_scope != NULL) |
| { |
| // Same exact scope, lhs is not less than (younger than rhs) |
| if (lhs_scope == rhs_scope) |
| return false; |
| |
| SymbolContext lhs_sc; |
| SymbolContext rhs_sc; |
| lhs_scope->CalculateSymbolContext (&lhs_sc); |
| rhs_scope->CalculateSymbolContext (&rhs_sc); |
| |
| // Items with the same function can only be compared |
| if (lhs_sc.function == rhs_sc.function && |
| lhs_sc.function != NULL && lhs_sc.block != NULL && |
| rhs_sc.function != NULL && rhs_sc.block != NULL) |
| { |
| return rhs_sc.block->Contains (lhs_sc.block); |
| } |
| } |
| return false; |
| } |