elfStringTable.hpp revision 3084
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk/*
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c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk#ifndef SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk#define SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk#if !defined(_WINDOWS) && !defined(__APPLE__)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk#include "memory/allocation.hpp"
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk#include "utilities/decoder.hpp"
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk#include "utilities/elfFile.hpp"
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk// The string table represents a string table section in an elf file.
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk// Whenever there is enough memory, it will load whole string table as
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk// one blob. Otherwise, it will load string from file when requested.
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenkclass ElfStringTable: CHeapObj {
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk friend class ElfFile;
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk public:
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk ElfStringTable(FILE* file, Elf_Shdr shdr, int index);
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk ~ElfStringTable();
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk // section index
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk int index() { return m_index; };
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk // get string at specified offset
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk bool string_at(int offset, char* buf, int buflen);
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk // get status code
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk NullDecoder::decoder_status get_status() { return m_status; };
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk protected:
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk ElfStringTable* m_next;
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk // section index
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk int m_index;
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk // holds complete string table if can
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk // allocate enough memory
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk const char* m_table;
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk // file contains string table
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk FILE* m_file;
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk // section header
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk Elf_Shdr m_shdr;
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk // error code
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk NullDecoder::decoder_status m_status;
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk};
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk#endif // _WINDOWS and _APPLE
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk#endif // SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk