Home | History | Annotate | Download | only in impl
      1 /*
      2  * Copyright 2011, The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ELF_SECTION_STR_TAB_HXX
     18 #define ELF_SECTION_STR_TAB_HXX
     19 
     20 #include "utils/helper.h"
     21 #include "utils/raw_ostream.h"
     22 
     23 #include <llvm/Support/Format.h>
     24 #include <llvm/Support/raw_ostream.h>
     25 
     26 template <unsigned Bitwidth>
     27 template <typename Archiver>
     28 ELFSectionStrTab<Bitwidth> *
     29 ELFSectionStrTab<Bitwidth>::read(Archiver &AR,
     30                                  ELFSectionHeaderTy const *sh) {
     31 
     32   std::unique_ptr<ELFSectionStrTab> st(new ELFSectionStrTab());
     33   st->buf.resize(sh->getSize());
     34 
     35   // Save section_header
     36   st->section_header = sh;
     37 
     38   AR.seek(sh->getOffset(), true);
     39   AR.prologue(sh->getSize());
     40   AR.readBytes(&*st->buf.begin(), sh->getSize());
     41   AR.epilogue(sh->getSize());
     42 
     43   if (!AR) {
     44     // Unable to read the string table.
     45     return 0;
     46   }
     47 
     48   return st.release();
     49 }
     50 
     51 template <unsigned Bitwidth>
     52 void ELFSectionStrTab<Bitwidth>::print() const {
     53   using namespace llvm;
     54 
     55   out() << '\n' << fillformat('=', 79) << '\n';
     56   out().changeColor(raw_ostream::WHITE, true);
     57   out() << "ELF String Table: " << this->section_header->getName() << '\n';
     58   out().resetColor();
     59   out() << fillformat('-', 79) << '\n';
     60 
     61   dump_hex((unsigned char const *)&*buf.begin(), buf.size(), 0, buf.size());
     62 
     63   out() << fillformat('=', 79) << '\n';
     64 }
     65 
     66 #endif // ELF_SECTION_STR_TAB_HXX
     67