| /* |
| * Copyright (c) 2015, Intel Corporation |
| * Author: Andi Kleen |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include <cstdint> |
| #include <memory> |
| #include <vector> |
| |
| #include "garnet/lib/debugger_utils/elf_symtab.h" |
| |
| namespace simple_pt { |
| |
| using Symbol = debugger_utils::ElfSymbol; |
| |
| class SymbolTable : public debugger_utils::ElfSymbolTable { |
| public: |
| SymbolTable(debugger_utils::ElfReader* reader, |
| const std::string& contents, |
| uint64_t cr3, |
| uint64_t base, |
| uint64_t offset, |
| bool is_kernel); |
| |
| const Symbol* FindSymbol(uint64_t addr) const; |
| |
| uint64_t cr3() const { return cr3_; } |
| uint64_t base() const { return base_; } |
| uint64_t end() const { return end_; } |
| uint64_t offset() const { return offset_; } |
| bool is_kernel() const { return is_kernel_; } |
| |
| void set_end(uint64_t end) { end_ = end; } |
| |
| private: |
| const uint64_t cr3_; |
| const uint64_t base_; |
| // This is computed after all symbols have been read in. |
| uint64_t end_ = 0; |
| const uint64_t offset_; |
| const bool is_kernel_; |
| }; |
| |
| using SymbolTableTable = std::vector<std::unique_ptr<SymbolTable>>; |
| |
| const SymbolTable* FindSymbolTable(const SymbolTableTable& symtabs, |
| uint64_t cr3, uint64_t pc); |
| |
| const Symbol* FindSymbol(const SymbolTableTable& symtabs, |
| uint64_t cr3, uint64_t pc, |
| const SymbolTable** out_symtab); |
| |
| const char* FindPcFileName(const SymbolTableTable& symtabs, |
| uint64_t cr3, uint64_t pc); |
| |
| bool SeenCr3(const SymbolTableTable& symtabs, uint64_t cr3); |
| |
| } // simple_pt |